1. The utility model provides a can hang from tearing open roof from dress which characterized in that: the lifting device comprises a cross joint (1), wherein a standard joint (2) is fixedly assembled on the upper surface of the cross joint (1), a rotation (3) is fixedly assembled on the upper surface of the standard joint (2), a balance arm (4) is fixedly assembled on the upper surface of the rotation (3), a tower head (5) is fixedly assembled on the upper surface of the rotation (3), a lifting arm (6) is fixedly assembled on the upper surface of the rotation (3), an amplitude variation mechanism (8) is fixedly assembled on the upper surface of the balance arm (4), a lifting rope (13) is respectively attached to the inner wall of the lifting arm (6) and the side wall of the cross joint (1), one end of the lifting rope (13) is fixedly connected with a lifting hook pulley block, the other end of the lifting rope (13) is fixedly connected with a lifting mechanism (9), a first auxiliary crane (10) is fixedly assembled on the side wall of the tower head (5), a second auxiliary crane (11) is fixedly installed on the upper surface of the cross joint (1), and a pulling arm pulley block is respectively fixedly assembled on the upper surface of the tower head (5) and the upper surface of the lifting arm (6) 12).

2. A self-mountable and self-dismountable roof crane according to claim 1, characterized in that: the cross joint (1) comprises a middle beam (101), a first long connecting beam (102), a rope arranging device (103), a second long connecting beam (104), a pin shaft (105), a first connecting bolt assembly (106), an extension beam (107), a support foot seat (108), a first mark section connecting bolt (109) and a support foot seat (110), wherein the middle beam (101) and the first long connecting beam (102), the middle beam (101) and the rope arranging device (103), the first long connecting beam (102) and the extension beam (107), the second long connecting beam (104) and the extension beam (107), the first long connecting beam (102) and the support foot seat (110), the second long connecting beam (104) and the support foot seat (110), the first long connecting beam (102) and the support foot seat (108), the second long connecting beam (104) and the support foot seat (108) are fixedly assembled through the first connecting bolt assembly (106), and the middle beam (101) and the second long connecting beam (104) are fixedly assembled through the pin shaft (105), the upper surface of the extension beam (107) is fixedly provided with a second auxiliary crane (11), the supporting foot seat (108) is fixedly provided with a standard joint (2) through a second standard joint connecting bolt (109), and the pulley side wall of the rope arranging device (103) is attached with a lifting rope (13).

3. A self-mountable and self-dismountable roof crane according to claim 2, characterized in that: standard festival (2) include main chord member (201), cross web member (202), oblique web member (203), second connecting bolt subassembly (204), ladder (205), second mark section connecting bolt (206) and supplementary platform (207) of hanging, main chord member (201) adopt second connecting bolt subassembly (204) to fix the assembly with cross web member (202), oblique web member (203), supplementary platform (207) of hanging respectively, cross web member (202) rear wall welding ladder (205), main chord member (201) through second mark section connecting bolt (206) to the fixed assembly of footing seat (108), main chord member (201) between from top to bottom and gyration (3).

4. A self-mountable and self-dismountable roof crane according to claim 3, characterized in that: the rotary mechanism (3) comprises a half lower rotary mechanism (301), a connecting hinge bolt (302), a rotary support (303), a connecting high-strength bolt (304), a right upper rotary mechanism (305), a left upper rotary mechanism (306), a rotary mechanism (307), a rotary and suspension arm connecting pin shaft (308), a rotary and tower head connecting pin shaft (309) and a rotary and balance arm connecting pin shaft (310), wherein the half lower rotary mechanism (301) is fixedly assembled in a butt joint mode through the connecting hinge bolt (302), the half lower rotary mechanism (301) is fixedly assembled with the rotary support (303) through a second mark section connecting bolt (206) and a main chord (201), the half lower rotary mechanism (301) is fixedly assembled with the rotary support (303) through the connecting high-strength bolt (304), the right upper rotary mechanism (305) and the left upper rotary mechanism (306) are fixedly in butt joint mode through bolts and are rotatably connected to the upper surface of the rotary support (303), a slewing mechanism (307) is fixedly installed on the inner wall of the right upper slewing (305), the right upper slewing (305) and the left upper slewing (306) are fixedly assembled with a suspension arm (6), the right upper slewing (305) and the left upper slewing (306) are fixedly assembled with a tower head connecting pin shaft (309) and a tower head (5) through slewing, and the right upper slewing (305) and the left upper slewing (306) are fixedly assembled with a balance arm connecting pin shaft (310) and a balance arm (4) through slewing.

5. The self-mountable and self-dismountable roof crane according to claim 4, characterized in that: the balance arm (4) comprises a left platform (401), a balance arm left piece (402), a balance arm right piece (403), a right platform (404), a connecting bolt (405), a connecting luffing mechanism pin shaft (406) and a connecting platform pin shaft (407), the balance arm left piece (402) and the balance arm right piece (403) are fixedly assembled through a connecting bolt (405), the balance arm left piece (402) is fixedly assembled with the left platform (401) through a connecting platform pin shaft (407), the right piece (403) of the balance arm is fixedly assembled with the right platform (404) through a connecting platform pin shaft (407), the left balance arm piece (402) and the right balance arm piece (403) are fixedly assembled with a balance arm connecting pin shaft (310), a right upper piece rotary (305) and a left upper piece rotary (306), the balance arm left piece (402) and the balance arm right piece (403) are fixedly assembled with the amplitude variation mechanism (8) through a connecting amplitude variation mechanism pin shaft (406).

6. The self-mountable and self-dismountable roof crane according to claim 5, characterized in that: the tower head (5) comprises a first section of tower head (501), a second section of tower head (502), a damper (503), a third section of tower head (504), a tower head connecting pin shaft (505), a fourth section of tower head (506), a first rear stay bar (507), a second rear stay bar (508), a first diagonal stay bar (509), a second diagonal stay bar (510) and a connecting pin shaft (511), wherein the first section of tower head (501), the second section of tower head (502), the third section of tower head (504) and the fourth section of tower head (506) are fixedly assembled from bottom to top through the tower head connecting pin shaft (505), the damper (503) is fixedly installed on the right side wall of the third section of tower head (504), the front side wall of the third section of tower head (504) is fixedly assembled through the connecting pin shaft (511) and the first auxiliary crane (10), the first rear stay bar (507) is fixedly installed on the lower surface of the top end of the fourth section of tower head (506), and the second rear stay bar (508) is fixedly installed on the lower surface of the first rear stay bar (507), the lower surface of the second rear stay bar (508) is fixedly assembled with the right upper rotary part (305) and the left upper rotary part (306) through a connecting pin shaft (511), the left side wall of the second section of tower head (502) is fixedly connected with one end of a first inclined stay bar (509), the other end of the first inclined stay bar (509) is fixedly connected with the right upper rotary part (305) and the left upper rotary part (306) respectively, the left side wall of the first section of tower head (501) is fixedly connected with one end of a second inclined stay bar (510), and the other end of the second inclined stay bar (510) is fixedly connected with the right upper rotary part (305) and the left upper rotary part (306) respectively.

7. The self-mountable and self-dismountable roof crane according to claim 6, characterized in that: the suspension arm (6) comprises a root section (601), a middle section (602), an end section (603), a suspension arm self-detaching frame (604), a pull arm pulley block (605), a mounting rope (606), a suspension arm connecting pin shaft (607) and a locking rope pin (608), the root joint (601), the middle joint (602) and the end joint (603) are butted, fixed and assembled with each other through a suspension arm connecting pin shaft (607), a suspension arm self-disassembling frame (604) is fixedly arranged on the inner wall of the upper end of the middle joint (602), the upper surface of the pull arm pulley block (605) is fixedly provided with the pull arm pulley block (605), the bottom ends of the right side wall of the fourth section of tower head (506) and the inner wall of the middle section (602) are respectively and fixedly provided with a mounting rope (606), the top end of the inner wall of the middle joint (602) is fixedly provided with a rope locking pin (608), and the root joint (601) is fixedly assembled with the right upper piece rotary part (305) and the left upper piece rotary part (306) through a rotary and suspension arm connecting pin shaft (308).

Background

Along with the rapid development of economy, the number of buildings of urban super-high buildings is increased, the demand of tower cranes used in building construction is increased, the demand of roof cranes (hereinafter referred to as roof cranes) which are important tools for installing and dismantling tower cranes is increased, after the roof cranes are dismantled into the roof cranes, the roof cranes need to be dismantled by using portable mast cranes, the workload is high, the period is long, and therefore the roof crane capable of being self-assembled and self-dismantled is provided.

Disclosure of Invention

The invention aims to provide a self-assembly and self-disassembly roof crane to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the self-assembly and self-disassembly roof crane comprises a cross joint, wherein a standard joint is fixedly assembled on the upper surface of the cross joint, the upper surface of the standard joint is fixedly assembled to rotate, a balance arm is fixedly assembled on the upper surface of the rotation, a tower head is fixedly assembled on the upper surface of the rotation, a suspension arm is fixedly assembled on the upper surface of the rotation, an amplitude variation mechanism is fixedly assembled on the upper surface of the balance arm, a suspension arm inner wall and the side wall of the cross joint are respectively attached with a lifting rope, one end of the lifting rope is fixedly connected with a lifting hook pulley block, the other end of the lifting rope is fixedly connected with a lifting mechanism, a first auxiliary crane is fixedly assembled on the side wall of the tower head, a second auxiliary crane is fixedly installed on the upper surface of the cross joint, and a pull arm pulley block is respectively fixedly assembled on the upper surface of the tower head and the upper surface of the suspension arm.

Preferably, the cross joint comprises a middle beam, a first long connecting beam, a rope arranging device, a second long connecting beam, a pin shaft, a first connecting bolt assembly, an extension beam, a support foot seat, a first mark section connecting bolt and a foot seat, wherein the middle beam, the first long connecting beam, the middle beam, the rope arranging device, the first long connecting beam, the first extension beam, the second long connecting beam, the extension beam, the first long connecting foot seat, the second long connecting beam, the second mark section connecting bolt and the foot seat are fixedly assembled through the first connecting bolt assembly, the middle beam and the second long connecting beam are fixedly assembled through the pin shaft, a second auxiliary crane is fixedly assembled on the upper surface of the extension beam, the support foot seat is fixedly assembled with the standard section through the second mark section connecting bolt, and the rope arranging device is attached to the side wall of the pulley and is lifted up.

Preferably, the standard section comprises a main chord member, a cross web member, an inclined web member, a second connecting bolt assembly, a ladder and a second standard section connecting bolt, the auxiliary hoisting platform is provided, the main chord member is fixedly assembled with the cross web member, the inclined web member and the auxiliary hoisting platform respectively through the second connecting bolt assembly, the rear side wall of the cross web member is welded with the ladder, and the main chord member is fixedly assembled with the support foot seat, the main chord member and the rotary support foot seat and the main chord member from top to bottom through the second standard section connecting bolt.

Preferably, the rotation comprises half lower rotation, a connecting and hinging bolt, a rotation support, a connecting high-strength bolt, right upper rotation, left upper rotation, a rotation mechanism, a rotation and suspension arm connecting pin shaft, a rotation and tower head connecting pin shaft and a rotation and balance arm connecting pin shaft, the half lower rotation is fixedly assembled by the connecting and hinging bolt, the half lower rotation is fixedly assembled by a second standard section connecting bolt and a main chord, the half lower rotation is fixedly assembled by the connecting high-strength bolt and the rotation support, the right upper rotation and the left upper rotation are fixedly assembled by a bolt and are rotatably connected to the upper surface of the rotation support, the rotation inner wall of the right upper rotation is fixedly assembled by the rotation of the right upper rotation and the left upper rotation and are fixedly assembled by the suspension arm, the right upper rotation and the left upper rotation are fixedly assembled by the rotation and the tower head connecting pin shaft and the tower head, and the right upper rotary part and the left upper rotary part are fixedly assembled with the balance arm through a rotary and balance arm connecting pin shaft.

Preferably, the balance arm comprises a left platform, a left balance arm piece, a right platform, a connecting bolt, a connecting luffing mechanism pin shaft and a connecting platform pin shaft, the left balance arm piece and the right balance arm piece are fixedly assembled through the connecting bolt, the left balance arm piece is fixedly assembled with the left platform through the connecting platform pin shaft, the right balance arm piece is fixedly assembled with the right platform through the connecting platform pin shaft, the left balance arm piece and the right balance arm piece are fixedly assembled with the right upper slewing and left upper slewing through the connecting platform pin shaft, and the left balance arm piece and the right balance arm piece are fixedly assembled with the luffing mechanism through the connecting luffing mechanism pin shaft.

Preferably, the tower head comprises a first section of tower head, a second section of tower head, a damper, a third section of tower head, a tower head connecting pin shaft, a fourth section of tower head, a first rear stay bar, a second rear stay bar, a first diagonal stay bar, a second diagonal stay bar and a connecting pin shaft, wherein the first section of tower head, the second section of tower head, the third section of tower head and the fourth section of tower head are fixedly assembled from bottom to top through the tower head connecting pin shaft respectively, the damper is fixedly installed on the right side wall of the third section of tower head, the front side wall of the third section of tower head is fixedly assembled through the connecting pin shaft and a first auxiliary hanger, the first rear stay bar is fixedly installed on the lower surface of the top end of the fourth section of tower head, the second rear stay bar is fixedly installed on the lower surface of the first rear stay bar, the second rear stay bar is fixedly assembled with the right sheet and the left sheet through the connecting pin shaft in a rotating manner, the left side wall of the second section of tower head is fixedly connected with one end of the first diagonal stay bar, the other end of the first inclined strut is fixedly connected with the right piece upper rotation and the left piece upper rotation respectively, the left side wall of the first section tower head is fixedly connected with one end of the second inclined strut, and the other end of the second inclined strut is fixedly connected with the right piece upper rotation and the left piece upper rotation respectively.

Preferably, the suspension arm comprises a root section, a middle section, an end section, a suspension arm self-detaching frame, a pull arm pulley block, an installation rope, a suspension arm connecting pin shaft and a rope locking pin, the root section, the middle section and the end section are fixedly assembled in a butt joint mode through the suspension arm connecting pin shaft, the suspension arm self-detaching frame is fixedly installed on the inner wall of the upper end of the middle section, the pull arm pulley block is fixedly installed on the upper surface of the pull arm pulley block, the installation rope is fixedly installed on the right side wall of the fourth section of tower head and the bottom end of the inner wall of the middle section respectively, the rope locking pin is fixedly installed on the top end of the inner wall of the middle section, and the root section is fixedly assembled with the right piece upper turning piece and the left piece upper turning piece through the turning and suspension arm connecting pin shaft.

Compared with the prior art, the invention has the beneficial effects that: the utility model provides a can hang from tearing open the roof from dress, this invention hangs from tearing open the roof entirely, utilize supplementary devices such as hanging just can carry out the installation and the dismantlement of overall structure, the equipment quantity of tearing open the quick-witted equipment has been reduced promptly, shorten ann and tear the time open again, work efficiency has been promoted greatly, because single hoisting structure is little, make the emergence harm that takes place the hoist and mount accident of droing littleer, the construction is safer, the use of outside large-scale hoisting equipment has also been reduced simultaneously, construction cost is reduced, also adjust easily and change when single structure appears and overall structure is unmatched, also can carry out artifical manual support to single hoist and mount part in the aspect of workman's artifical supplementary, make holistic assembling process more smooth.

Drawings

FIG. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a schematic view of the cross beam structure of the present invention;

FIG. 3 is a schematic diagram of a standard knot configuration of the present invention;

FIG. 4 is a schematic view of the rotary structure of the present invention;

FIG. 5 is a schematic view of the balance arm structure of the present invention;

FIG. 6 is a schematic view of a tower head configuration of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 6;

FIG. 8 is an enlarged view of FIG. 6 at B;

FIG. 9 is an enlarged view at C of FIG. 6;

FIG. 10 is a schematic view of the boom of the present invention;

FIG. 11 is a cross beam and second auxiliary hoist installation view of the present invention;

FIG. 12 is a view of the standard knot and second auxiliary hoist installation of the present invention;

FIG. 13 is a schematic view of a half lower slewing crane of the present invention;

FIG. 14 is a schematic view of the slewing bearing of the present invention being hoisted;

FIG. 15 is a schematic view of the left upper slewing crane of the present invention;

FIG. 16 is a schematic view of the hoisting mechanism of the present invention;

FIG. 17 is a schematic illustration of the left piece of the balance arm of the present invention being hoisted;

FIG. 18 is a schematic illustration of the left platform hoist of the present invention;

FIG. 19 is a schematic illustration of the luffing mechanism of the present invention being hoisted;

FIG. 20 is a schematic view of the first stage tower head hoist of the present invention;

FIG. 21 is a schematic view of a first stage tower head installation of the present invention;

FIG. 22 is a schematic view of the second stage tower head hoist of the present invention;

FIG. 23 is a schematic view of a second stage tower head installation of the present invention;

FIG. 24 is a schematic illustration of the third stage tower head hoist of the present invention;

FIG. 25 is a schematic view of the damper installation of the present invention;

FIG. 26 is a schematic view of the fourth tower head installation of the present invention;

FIG. 27 is a schematic illustration of the fourth tower head hoist of the present invention;

fig. 28 is a schematic view of the first rear stay and the second rear stay hoisting according to the present invention;

FIG. 29 is a schematic view of the first rear stay and the second rear stay of the present invention installed;

FIG. 30 is a schematic view of a root node installation of the present invention;

FIG. 31 is a schematic view of a root node support structure of the present invention;

FIG. 32 is a schematic view of the installation of the intermediate link of the present invention;

FIG. 33 is a schematic view of the continuous installation of the intermediate link of the present invention;

FIG. 34 is a schematic view of the continuous installation of the intermediate link of the present invention;

FIG. 35 is a schematic view of the continuous installation of the intermediate link of the present invention;

FIG. 36 is a schematic view of the continuous installation of the intermediate link of the present invention;

FIG. 37 is a schematic view of the end section installation of the present invention;

FIG. 38 is a fully assembled view of the present invention;

FIG. 39 is a schematic end section disassembly of the present invention;

FIG. 40 is a schematic view of the intermediate link of the present invention shown disassembled;

FIG. 41 is a schematic view of the intermediate link of the present invention shown disassembled;

FIG. 42 is a schematic view of the intermediate link of the present invention removed;

FIG. 43 is a schematic illustration of a standard knot detachment of the present invention;

FIG. 44 is a schematic view of a first step in a conventional installation of the present invention;

FIG. 45 is a second step schematic view of a conventional installation of the present invention;

FIG. 46 is a third schematic view of a conventional installation of the present invention;

FIG. 47 is a fourth schematic view of a conventional mounting arrangement of the present invention;

FIG. 48 is a fifth step of the conventional installation of the present invention;

FIG. 49 is a sixth step of the conventional installation of the present invention;

FIG. 50 is a seventh step of the conventional installation of the present invention;

fig. 51 is an explanatory view of installation of the present invention.

In the figure: 1 cross beam, 101 middle beam, 102 first long beam, 103 rope arranging device, 104 second long beam, 105 pin shaft, 106 first connecting bolt component, 107 extending beam, 108 support foot seat, 109 first mark joint connecting bolt, 110 foot seat, 2 standard joint, 201 main chord, 202 cross web member, 203 diagonal web member, 204 second connecting bolt component, 205 ladder, 206 second mark joint connecting bolt, 207 auxiliary hanging platform, 3 gyration, 301 half lower gyration, 302 connecting hinge bolt, 303 gyration support, 304 connecting high strength bolt, 305 right upper gyration, 306 left upper gyration, 307 gyration mechanism, 308 gyration and suspension arm connecting pin shaft, 309 gyration and tower head connecting pin shaft, 310 gyration and balance arm connecting pin shaft, 4 balance arm, 401 left platform, 402 balance arm left piece, 403 balance arm right piece, 404 right platform, 405 connecting bolt, 406 connecting mechanism pin shaft, 405 pin shaft, 105 pin shaft, 106 first connecting bolt component, 107 extending beam, 108 support foot seat, 109 first mark joint connecting bolt, 110 foot seat, 2 standard joint, 201 main chord, 202 cross web member, 203 diagonal web member, 204 second connecting bolt component, 205 ladder, 206 second mark joint connecting bolt, 207 second mark joint connecting bolt, 309 gyration and column connecting bolt, 309 gyration and column head connecting pin shaft, 407 connecting platform pin shaft, 5 tower heads, 501 first section tower head, 502 second section tower head, 503 damper, 504 third section tower head, 505 tower head connecting pin shaft, 506 fourth section tower head, 507 first rear stay bar, 508 second rear stay bar, 509 first inclined stay bar, 510 second inclined stay bar, 511 connecting pin shaft, 6 suspension arm, 601 sections, 602 middle section, 603 end section, 604 suspension arm self-disassembling frame, 605 arm pulley block, 606 installing rope, 607 suspension arm connecting pin shaft, 608 locking rope pin, 7 hook pulley block, 8 amplitude changing mechanism, 9 lifting mechanism, 10 first auxiliary crane, 11 second auxiliary crane, 12 arm pulley block and 13 lifting rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 51, a self-assembling and self-disassembling roof crane includes a cross 1, and is characterized in that: a standard knot 2 is fixedly assembled on the upper surface of a cross 1, a rotation 3 is fixedly assembled on the upper surface of the standard knot 2, a balance arm 4 is fixedly assembled on the upper surface of the rotation 3, a tower head 5 is fixedly assembled on the upper surface of the rotation 3, a suspension arm 6 is fixedly assembled on the upper surface of the rotation 3, an amplitude variation mechanism 8 is fixedly assembled on the upper surface of the balance arm 4, the inner wall of the suspension arm 6 and the side wall of the cross 1 are respectively attached with a lifting rope 13, one end of the lifting rope 13 is fixedly connected with a lifting hook pulley block, the other end of the lifting rope 13 is fixedly connected with a lifting mechanism 9, a first auxiliary crane 10 is fixedly assembled on the side wall of the tower head 5, a second auxiliary crane 11 is fixedly installed on the upper surface of the cross 1, a pull arm pulley block 12 is fixedly assembled on the upper surface of the tower head 5 and the upper surface of the suspension arm 6 respectively, and the first auxiliary crane and the second auxiliary crane are rod body structures fixedly assembled by bolts, a rope guide mechanism with a pulley block at the top end is matched with the low-power motor to lift the part;

the assembling relation among the main structures after the assembling is as follows:

a: the cross beam support is connected with the ground through a high-strength bolt;

b: the standard knot is connected with the cross beam by a high-strength bolt;

c: the standard sections are connected by high-strength bolts;

d: the standard knot is connected with the rotation through a high-strength bolt;

e: the rotary upper support is connected with the balance arm through a pin shaft;

f: the tower head is connected with the rotary upper support through a pin shaft;

g: the suspension arm is connected with the rotary upper support through a pin shaft;

h: the first auxiliary crane is connected with the tower head through a pin shaft;

i: the second auxiliary crane is connected with the cross beam, the standard knot and the rotary joint through bolts.

Example two:

referring to fig. 2, the present embodiment further defines the present disclosure on the basis of the technical solution provided by the first embodiment: the cross joint 1 comprises a middle beam 101, a first long beam 102, a rope arranging device 103, a second long beam 104, a pin shaft 105, a first connecting bolt assembly 106, an extension beam 107, a support foot seat 108, a first standard joint connecting bolt 109 and a foot seat 110, the middle beam 101 and the first long connecting beam 102, the middle beam 101 and the rope arranging device 103, the first long connecting beam 102 and the extending beam 107, the second long connecting beam 104 and the extending beam 107, the first long connecting beam 102 and the foot base 110, the second long connecting beam 104 and the foot base 110, the first long connecting beam 102 and the foot base 108, the second long connecting beam 104 and the foot base 108 are fixedly assembled through a first connecting bolt assembly 106, the middle beam 101 and the second long connecting beam 104 are fixedly assembled through a pin shaft 105, the second auxiliary hoist 11 is fixedly assembled on the upper surface of the extending beam 107, the foot base 108 is fixedly assembled with the standard joint 2 through a second standard joint connecting bolt 109, and the side wall of a pulley of the rope arranging device 103 is attached to the hoisting rope 13;

the specific installation method comprises the following steps: firstly, installing footstands 110 on a plane, connecting extension beams 107 with the footstands 110 by using bolts, then connecting each extension beam 107 to form 8 extension beams 107, connecting a first extension beam 102 and a second extension beam 104 to the extension beams 107 by using bolts, connecting a middle beam 101 with the first extension beam 102 and the second extension beam 104 by using a pin shaft 105 and bolts, installing the four footstands 110 manually, distributing and placing the four footstands 110 according to the positions in an installation drawing, connecting and fixing the footstands by using bolts, installing a first section connecting bolt 109, and finally installing a rope arranging device 103 on the first extension beam 102 and the second extension beam 104;

the cross beam structure adopts a combined design scheme, different lengths can be formed to meet the use requirement, and each section has light weight and is convenient to transport, install and disassemble.

Example three:

referring to fig. 3, 11 and 12, the present embodiment further defines the present invention on the basis of the technical solution provided by the first embodiment:

the standard knot 2 comprises a main chord 201, a cross web member 202, an inclined web member 203, a second connecting bolt assembly 204, a ladder 205, a second marking knot connecting bolt 206 and an auxiliary hanging platform 207, wherein the main chord 201 is fixedly assembled with the cross web member 202, the inclined web member 203 and the auxiliary hanging platform 207 respectively through the second connecting bolt assembly 204, the ladder 205 is welded on the rear side wall of the cross web member 202, and the main chord 201 is fixedly assembled between the upper part and the lower part of the support foot seat 108 and the main chord 201 and the rotation 3 through the second marking knot connecting bolt 206;

the specific installation method comprises the following steps: the four main chords 201 and the transverse web members 202 are connected together by bolts, the inclined web members 203 are also connected in sequence, a ladder 205 is installed, a second standard knot connecting bolt 206 is connected to the upper surface of the ladder, an auxiliary hanging platform 207 is installed, so that the whole standard knot 2 is assembled completely, a second auxiliary hanging 11 is connected to the cross beam 1, the standard knot 2 is installed on the supporting foot seat 108 of the cross beam 1 through the second auxiliary hanging 11 and connected by bolts, the first knot is installed completely, the second knot is installed, the auxiliary hanging platform 207 is installed on the first standard knot 2, the second auxiliary hanging 11 is connected to the auxiliary hanging platform 207, the second knot standard knot 2 is connected by the second auxiliary hanging 11, and the installation of other standard knots is completed in the method;

by adopting the combined design scheme, the use requirements of users are met, the maximum weight of each piece is not more than 65kg, and the installation and the disassembly can be carried out manually.

Example four:

referring to fig. 4 and fig. 13 to 16, the present embodiment further defines the present invention on the basis of the technical solution provided by the third embodiment: the rotary mechanism 3 comprises a half lower rotary 301, a connecting hinged bolt 302, a rotary support 303, a connecting high-strength bolt 304, a right upper rotary 305, a left upper rotary 306, a rotary mechanism 307, a rotary and suspension arm connecting pin shaft 308, a rotary and tower head connecting pin shaft 309 and a rotary and balance arm connecting pin shaft 310, wherein the half lower rotary 301 is in butt joint fixed assembly through the connecting hinged bolt 302, the half lower rotary 301 is fixedly assembled with the main chord 201 through a second standard joint connecting bolt 206, the half lower rotary 301 is fixedly assembled with the rotary support 303 through the connecting high-strength bolt 304, the right upper rotary 305 and the left upper rotary 306 are in butt joint fixed through bolts and are rotatably connected with the upper surface of the rotary support 303, the rotary mechanism 307 is fixedly arranged on the inner wall of the right upper rotary 305, the right upper rotary 305 and the left upper rotary 306 are fixedly assembled through the suspension arm 6, the right upper rotary 305 and the left upper rotary 306 are fixedly assembled with the tower head connecting pin shaft 309 and the tower head 5 through the rotary and the upper rotary and lower rotary support 306, the right upper rotary part 305 and the left upper rotary part 306 are fixedly assembled with the balance arm 4 through a rotary and balance arm connecting pin shaft 310;

the specific installation method comprises the following steps: firstly, connecting two half lower gyrations 301 on the ground by using a connecting and hinging bolt 302, hoisting the assembled lower gyrations of the two half lower gyrations 301 by using a second auxiliary hoist 11 arranged on an auxiliary hoist platform 207 of a standard joint 2, connecting and fixing the half lower gyrations 301 and the standard joint 2 by using the connecting bolt after the lower gyrations are hoisted in place, hoisting a gyrating support 303 by using the second auxiliary hoist 11, connecting the half lower gyrations 301 by using a high-strength bolt after the lower gyrations are hoisted in place, connecting a left upper gyration 306 and a right upper gyration 305 on the ground by using the connecting and hinging bolt 302, hoisting by using the second auxiliary hoist 11, connecting the left upper gyration 306 and the right upper gyration 305 by using the high-strength bolt after the lower gyrations are hoisted in place, finally hoisting a gyrating mechanism 307 by using the second auxiliary hoist 11, and connecting the left upper gyration 306 and the right upper gyration 305, and completing the installation of a gyrating 3 part;

the installation transportation is easy and convenient, adopts lightweight components of a whole that can function independently integrated design, and usable supplementary hanging realizes full self-assembly from tearing open.

Example five:

referring to fig. 5 and 17-19, the present embodiment further defines the present application on the basis of the technical solution provided in the fourth embodiment: the balance arm 4 comprises a left platform 401, a balance arm left piece 402, a balance arm right piece 403, a right platform 404, a connecting bolt 405, a connecting luffing mechanism pin shaft 406 and a connecting platform pin shaft 407, wherein the balance arm left piece 402 and the balance arm right piece 403 are fixedly assembled through the connecting bolt 405, the balance arm left piece 402 is fixedly assembled through the connecting platform pin shaft 407 and the left platform 401, the balance arm right piece 403 is fixedly assembled through the connecting platform pin shaft 407 and the right platform 404, the balance arm left piece 402 and the balance arm right piece 403 are fixedly assembled with the balance arm connecting pin shaft 310, the right upper rotary 305 and the left upper rotary 306, and the balance arm left piece 402 and the balance arm right piece are fixedly assembled with the luffing mechanism 8 through the connecting luffing mechanism pin shaft 406;

the specific installation method comprises the following steps: the left balance arm piece 402 and the right balance arm piece 403 are connected through bolts on the ground, the left balance arm piece 402 and the right balance arm piece 403 are connected through a pin shaft after being hoisted in place by a second auxiliary hoist 11 fixed on the rotary 3, the left platform 401 is hoisted through the second auxiliary hoist 11, the left balance arm piece 402 and the right platform 404 are hoisted through the second auxiliary hoist 11, the right balance arm piece 403 and the amplitude variation mechanism 8 are hoisted through the pin shaft after being hoisted in place, the amplitude variation mechanism 8 is hoisted through the second auxiliary hoist 11 slowly, the amplitude variation mechanism 8 and the ear plate of the mechanism on the balance arm 4 are connected through the pin shaft after being hoisted in place, and the self-assembly of the balance arm 4 is completed;

the installation transportation is easy and convenient, adopts lightweight components of a whole that can function independently integrated design, and usable supplementary hanging realizes full self-assembly from tearing open.

Example six:

referring to fig. 6-9 and fig. 20-29, the present embodiment further defines the present invention on the basis of the technical solution provided in the fifth embodiment: the tower head 5 comprises a first section of tower head 501, a second section of tower head 502, a damper 503, a third section of tower head 504, a tower head connecting pin 505, a fourth section of tower head 506, a first rear stay 507, a second rear stay 508, a first diagonal stay 509, a second diagonal stay 510 and a connecting pin 511, wherein the first section of tower head 501, the second section of tower head 502, the third section of tower head 504 and the fourth section of tower head 506 are respectively fixedly assembled from bottom to top through the tower head connecting pin 505, the damper 503 is fixedly installed on the right side wall of the third section of tower head 504, the front side wall of the third section of tower head 504 is fixedly assembled with the first auxiliary crane 10 through the connecting pin 511, the first rear stay 507 is fixedly installed on the lower surface of the top end of the fourth section of tower head 506, the second rear stay 508 is fixedly installed on the lower surface of the first rear stay 507, the lower surface of the second rear stay 508 is fixedly assembled with the right upper rotary 305 and the left upper rotary 306 through the connecting pin, the left side wall of the second section tower head 502 is fixedly connected with one end of a first diagonal brace 509, the other end of the first diagonal brace 509 is fixedly connected with the right upper rotary part 305 and the left upper rotary part 306 respectively, the left side wall of the first section tower head 501 is fixedly connected with one end of a second diagonal brace 510, and the other end of the second diagonal brace 510 is fixedly connected with the right upper rotary part 305 and the left upper rotary part 306 respectively;

the specific installation method comprises the following steps: installing a first section of tower head 501 by using a second auxiliary crane 11 on the rotary 3, connecting by using a connecting pin 511, installing a second diagonal brace 510 to fix the first section of tower head 501, connecting by using the connecting pin 511, and detaching the second auxiliary crane 11 on the rotary 3;

mounting a first auxiliary crane 10 on a first tower head 501, connecting the first auxiliary crane with a connecting pin 511, mounting a second tower head 502 with the first auxiliary crane 10, connecting the second tower head 502 with a tower head connecting pin 505, mounting a first diagonal brace 509 to fix the second tower head 502, connecting the first auxiliary crane 10 with the connecting pin 511, dismounting the first auxiliary crane 10 from the first tower head 501, mounting the third tower head 502 with the first auxiliary crane 10, connecting the third tower head 504 with the tower head connecting pin 505, mounting a damper 503 on the third tower head 504, connecting the first auxiliary crane 10 with the second tower head 502 by bolts, mounting the third tower head 504, mounting a fourth tower head 506 with the first auxiliary crane 10, connecting the tower head connecting pin 505, connecting the first rear brace 509 and a second rear brace 508 by bolts, and mounting the first rear brace 509 and the second rear brace 508 mounted by the first auxiliary crane 10, connecting the tower head 5 to the slewing device 3 by using a connecting pin 511, removing the first auxiliary crane 10, the first diagonal brace 509, the second diagonal brace 510 and the connecting pin 511, and completing the installation of the tower head 5;

the structure has the advantages of being combined and light in weight by utilizing the auxiliary crane for mounting and dismounting;

example seven:

referring to fig. 10 and fig. 30 to 38, the present embodiment further defines the present invention on the basis of the technical solution provided by the sixth embodiment: the suspension arm 6 comprises a root joint 601, a middle joint 602, an end joint 603, a suspension arm self-detaching frame 604, a pull arm pulley block 605, a mounting rope 606, a suspension arm connecting pin 607 and a rope locking pin 608, wherein the root joint 601, the middle joint 602 and the end joint 603 are fixedly assembled in a butt joint mode through the suspension arm connecting pin 607, the inner wall of the upper end of the middle joint 602 is fixedly provided with the suspension arm self-detaching frame 604, the pull arm pulley block 605 is fixedly mounted on the upper surface of the pull arm pulley block 605, the mounting rope 606 is fixedly mounted at the bottom ends of the right side wall of a fourth tower head 506 and the inner wall of the middle joint 602 respectively, the rope locking pin 608 is fixedly mounted at the top end of the inner wall of the middle joint 602, and the root joint 601 is fixedly assembled with the right upper;

the specific installation method comprises the following steps: firstly, locking a rope of a first auxiliary crane 11 arranged on a rotary crane 3 on a belly pipe of a root section 601, opening a mechanism of the first auxiliary crane 11, slowly hoisting the root section 601, connecting the root section 601 with the rotary crane 3 by using a rotary and suspension arm connecting pin shaft 308 after the root section 601 is hoisted in place, then, padding an external support below the root section 601 to prevent the root section 601 from being lifted, keeping the root section horizontal and stable, and detaching a second auxiliary crane 11;

a suspension arm self-detaching frame 604 is additionally arranged on an upper ear plate of a root joint 601, a fixing rope 606 of a rotating mechanism 307 is threaded, the rope is locked on an upper chord of a suspension arm 6, the rotating mechanism 307 is started, the fixing rope 606 is slowly retracted, a middle joint 602 is hoisted, after the suspension arm is hoisted in place, a suspension arm connecting pin 607 is firstly arranged at the lower end, the suspension arm self-detaching frame 604 is detached, the fixing rope 606 is continuously and slowly retracted until an upper chord connecting hole is aligned with the upper chord connecting pin 607, installation of the middle joint 602 is completed, the suspension arm self-detaching frame 604 is additionally arranged on the hoisted middle joint 602, the installation position of the suspension arm self-detaching frame 602 is as far as possible, and the fixing rope 606 is prevented from scraping down a belly pipe when the next middle joint 602 is hoisted. The fixed rope 606 is threaded, the fixed rope 606 is locked on a rope locking pin 608 of the middle section 602, the swing mechanism 307 is started, the fixed rope 606 is slowly retracted to hoist the middle section 602, the suspension arm connecting pin 607 is connected after the fixed rope is hoisted in place, the installation of the middle section 602 is completed, the arm-pulling pulley block 605 is installed on the newly installed middle section 602, the amplitude-changing rope of the arm-pulling pulley block 605 is threaded, the amplitude-changing rope is tensioned by starting the amplitude-changing mechanism 8, the integral arm support is pulled by the arm-pulling pulley block 605, and the external support on the root section 601 can be detached;

then the boom self-disassembling frame 604 on the second middle section 602 is disassembled and installed on the third middle section 602, the fixing rope 606 is threaded, the fixing rope 606 is arranged on the rope locking pin 608 of the middle section 602, the slewing mechanism 307 is started to slowly retract the fixing rope 606 for hoisting the middle section 602, the boom connecting pin 607 is connected after the boom is hoisted in place, the middle section 602 is installed, the fixing rope 606 is installed on the middle section 602 by using the arm pulling pulley block 605, the boom self-disassembling frame 604 of the third middle section 602 is disassembled and installed on the fourth middle section 602, the fixing rope 606 is threaded, the fixing rope 606 is arranged on the rope locking pin 608 of the middle section 602, the slewing mechanism 307 is started to slowly retract the fixing rope 606 for the middle section 602, the boom connecting pin 607 is connected after the boom is hoisted in place, the middle section 602 is installed, the boom 6 is installed by using the arm pulling pulley block 605 and the installation rope 606 in slow step, the lifting arm 6 can be completely installed, and after the main components are installed, the fixing rope 606 is threaded to be connected with the hook pulley block 7;

the combined design, simple structure, light in weight, convenient transport can realize dismantling entirely, adorn certainly.

The removal and installation processes are reversed, and the self-removal process is performed in accordance with the self-assembly process, and fig. 39-43 are schematic views of partial removal of the boom.

In conclusion, the cross beam is directly placed on a plane, can be manually installed by workers, does not need external auxiliary equipment, sequentially installs the components of a standard knot, a rotation, a balance arm, a tower head and a suspension arm one by one on the basis of the cross beam through a first auxiliary crane and a second auxiliary crane, and installs small components of a hook pulley block, an amplitude variation mechanism, a lifting mechanism, a pull arm pulley block and a lifting rope, can be applied by the aid of the first auxiliary crane and the second auxiliary crane of smaller auxiliary hoisting equipment due to the adoption of the direct installation of the small components, can be assembled and hoisted by means of a part of a roof crane body built at the current part, enables the installation process to be more continuous, can be manually and directly connected for butting the components, is easy to operate, and is easy to change and replace when individual components are not matched, meanwhile, the requirement of higher-power equipment is reduced, the whole installation process is lighter and cheaper, and the occurrence of larger production accidents is reduced while the money cost is saved.

Comparative example one:

referring to fig. 44-50, the conventional installation method generally includes eight steps:

(1) mounting a cross beam, pre-mounting a tower body standard knot and then hoisting the tower body standard knot;

(2) pre-installing a rotary assembly on the ground, and then hoisting the rotary assembly;

(3) pre-mounting a balance arm assembly on the ground, and then hoisting the balance arm assembly;

(4) hoisting the luffing mechanism;

(5) pre-installing a tower head assembly on the ground, and then hoisting the tower head assembly;

(6) pre-installing a suspension arm assembly on the ground, and then hoisting the suspension arm assembly;

(7) installing and fixing hoisting mechanism (ground) and paying attention to rope-entering angle

(8) Penetrating the amplitude-changing rope, lifting the rope, installing the lifting hook, debugging and testing equipment, and completing installation.

The operation process of the above eight steps is the prior art, and will not be described in detail here, fig. 44-50 also visually show the installation process of the existing roof crane, and the adoption of the integral structure for hoisting not only has great operation difficulty, but also needs stronger construction equipment outside, and has difficult component calibration and long operation time; this device adopts the widget hoist and mount assembly in the major component, has reduced external equipment's power demand, and the little convenient position of single hoisting structure is calibrated moreover, and hoist and mount and fixed can carry out save time in succession.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.