1. The utility model provides a spring buffer for tubular pile crane which characterized in that: the crane comprises a crane body (1), wherein a lifting adjusting mechanism (2) is arranged at the top of the crane body (1);

the lifting adjusting mechanism (2) comprises a lifting platform (201), the bottom of the lifting platform (201) is rotatably connected with the top of a crane body (1) through a rotating shaft, a rotating suspender (202) is horizontally arranged in an inner cavity of the lifting platform (201), a lifting sling (203) is wound and sleeved on the outer wall of the rotating suspender (202), a motor mounting plate (204) is fixed on the side wall of the back of the lifting platform (201), a servo motor (205) is mounted at the top of the motor mounting plate (204), the rotating suspender (202) is rotatably penetrated through the side wall of the lifting platform (201) and is mutually sleeved with the output end of the servo motor (205), a first electric telescopic arm rod (206) is fixed on the outer side wall of one end of the lifting platform (201), a mounting shaft sleeve (207) is fixed on the telescopic end of the first electric telescopic arm rod (206), a second electric telescopic arm (208) is mounted on the outer side wall of the crane body (1), the telescopic end of the second electric telescopic arm rod (208) is hinged to the outer end side wall of the first electric telescopic arm rod (206), the top side walls of the lifting platform (201) and the mounting shaft sleeve (207) are respectively and rotatably connected with a first lifting pulley (209) and a second lifting pulley (2010), the lifting rope (203) sequentially penetrates through the first lifting pulley (209) and the second lifting pulley (2010) and the lifting buffer mechanism (3) is fixed at the bottom of the lifting rope.

2. The spring buffering device for the tubular pile crane according to claim 1, wherein: the lifting buffer mechanism (3) comprises a lifting supporting plate (301), a fixed sliding groove (302) is formed in the bottom of the lifting supporting plate (301), two groups of movable sliding blocks (303) are connected to the fixed sliding groove (302) in a sliding mode, a first lifting clamping plate (304) and a second lifting clamping plate (305) are fixed to the bottoms of the two groups of movable sliding blocks (303) respectively, the first lifting clamping plate and the second lifting clamping plate (305) are connected through a hydraulic telescopic rod (306), and buffer springs (307) are uniformly fixed to the side walls of opposite ends of the first lifting clamping plate (304) and the second lifting clamping plate (305).

3. The spring buffering device for the tubular pile crane according to claim 2, wherein: and the outer wall of each group of buffer springs (307) is sleeved with an anti-slip rubber sleeve.

4. The spring buffering device for the tubular pile crane according to claim 1, wherein: the mounting shaft sleeve (207) is fixed with a stable supporting plate (4) close to the side wall of one end of the crane body (1), and the stable supporting plate (4) is far away from the side wall of one end of the crane body (1) and is provided with a connecting sliding groove (5).

5. The spring buffering device for the tubular pile crane according to claim 2, wherein: one end of the lifting supporting plate (301) close to the crane body (1) is connected with the connecting chute (5) in a sliding manner.

6. The spring buffering device for the tubular pile crane according to claim 1, wherein: the first lifting clamping plate (304) and the second lifting clamping plate (305) are both in a semi-arc structure.

7. The spring buffering device for the tubular pile crane according to claim 1, wherein: the rotary suspender (202) is rotatably connected with the side wall of the inner cavity of the hanging platform (204) through a connecting rotating shaft.

8. The spring buffering device for the tubular pile crane according to claim 1, wherein: the bottom of the crane body (1) is provided with a walking crawler (6).

Background

The tubular pile is divided into post-tensioning prestressed tubular pile and pre-tensioning prestressed tubular pile, prestressed concrete tubular pile (PC tubular pile) and prestressed concrete thin-wall tubular pile (PTC tubular pile) and high-strength prestressed concrete tubular pile (PHC tubular pile), the pre-tensioning prestressed tubular pile is a hollow cylindrical elongated concrete prefabricated member made by adopting pre-tensioning prestressing process and centrifugal forming method, mainly comprises cylindrical pile body, end plate and steel hoop, and the tubular pile is divided into prestressed concrete tubular pile (PC tubular pile), prestressed concrete thin-wall tubular pile (PTC tubular pile) and prestressed high-strength concrete tubular pile (PHC tubular pile) according to concrete strength grade and wall thickness. The concrete strength of the PC pile is not lower than that of C50 concrete, the strength grade of the PTC pipe pile is not lower than that of C60, and the strength grade of the PHC pile is not lower than that of C80. The PC piles and PTC piles are generally cured by atmospheric steam.

When hoisting tubular pile earlier, need use tubular pile hoist, current tubular pile hoist has the weak point, and at the hoist and mount in-process, when bumping or oscillation, the hoist takes place to damage or cracked easily to the position of tubular pile centre gripping to when meetting the bad weather of strong wind, the in-process of building object hoist and mount takes place to rock easily.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides a spring buffer device for a tubular pile crane and a method thereof.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a spring buffer device for a tubular pile crane comprises a crane body, wherein a lifting adjusting mechanism is installed at the top of the crane body;

the hoisting adjustment mechanism comprises a hoisting platform, the bottom of the hoisting platform is connected with the top of a crane body in a rotating mode through a rotating shaft, a rotating suspender is horizontally arranged in an inner cavity of the hoisting platform, a hoisting sling is sleeved on the rotating suspender, a motor mounting plate is fixed on the side wall of the back of the hoisting platform, a servo motor is mounted at the top of the motor mounting plate, the rotating suspender rotates to penetrate through the side wall of the hoisting platform and is sleeved with the output end of the servo motor, a first electric telescopic boom is fixed on the outer side wall of one end of the hoisting platform, a mounting shaft sleeve is fixed on the telescopic end of the first electric telescopic boom, a second electric telescopic boom is mounted on the side wall of the outer end of the crane body, the telescopic end of the second electric telescopic boom is hinged with the outer side wall of the first electric telescopic boom, and the side walls of the top of the hoisting platform and the mounting shaft sleeve are respectively and rotatably connected with a first hoisting pulley, And the hoisting lifting rope sequentially penetrates through the first hoisting pulley and the second hoisting pulley, and a hoisting buffer mechanism is fixed at the bottom of the hoisting lifting rope.

Preferably, the lifting buffer mechanism comprises a lifting support plate, a fixed sliding groove is formed in the bottom of the lifting support plate, two groups of movable sliding blocks are connected to the fixed sliding groove in a sliding mode, a first lifting clamping plate and a second lifting clamping plate are fixed to the bottoms of the two groups of movable sliding blocks respectively, the first lifting clamping plate and the second lifting clamping plate are connected through a hydraulic telescopic rod, and buffer springs are uniformly fixed to the side walls of the opposite ends of the first lifting clamping plate and the second lifting clamping plate.

Preferably, each group of buffer spring outer wall all cup joints anti-skidding rubber sleeve.

Preferably, the installation axle sleeve is close to hoist body one end lateral wall and is fixed with and stabilizes the fagging, stabilize the fagging and keep away from hoist body one end lateral wall and seted up the connection spout.

Preferably, the lifting supporting plate is connected with the connecting sliding chute in a sliding manner at one end close to the crane body.

Preferably, the first lifting splint and the second lifting splint are both in a semi-arc structure.

Preferably, the rotary suspender is rotatably connected with the side wall of the inner cavity of the hanging platform through a connecting rotating shaft.

Preferably, the bottom of the crane body is provided with a walking crawler.

Has the advantages that:

1. when the device is hoisted, the rotary suspender is driven to rotate by starting the servo motor, and the hoisting lifting rope is wound and connected on the outer wall of the rotary suspender, so that the bottom building is hoisted.

2. Arrange the building object in first hanger plate and second lift by crane between the splint, start the hydraulic telescoping rod afterwards, drive first hanger plate, second lift by crane splint and draw close each other, fasten the building object centre gripping until the anti-skidding rubber cover of both sides buffer spring outer wall, be provided with buffer spring and effectively prevent at the in-process of hoist and mount, the collision takes place, leads to the position of building object centre gripping to damage or break.

3. Because stabilize the fagging and keep away from hoist body one end lateral wall and seted up the connection spout, lift by crane the fagging and be close to hoist body one end and connect spout sliding connection, when meetting the severe weather of strong wind, effectively prevent that the in-process of building object hoist and mount from taking place to rock.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a hoisting state of a crane body according to the present invention;

FIG. 3 is a schematic view of the structure of the hoisting buffer mechanism of the present invention;

FIG. 4 is a schematic view of a swivel boom attachment of the present invention;

FIG. 5 is a schematic view of the distribution of the damping springs according to the present invention;

the reference numbers in the drawings are as follows:

1-crane body, 2-crane adjusting mechanism, 201-crane lifting platform, 202-rotating boom, 203-crane lifting rope, 204-motor mounting plate, 205-servomotor, 206-first electric telescopic boom, 207-mounting shaft sleeve, 208-second electric telescopic boom, 209-first lifting pulley, 2010-second lifting pulley, 3-crane buffer mechanism, 301-crane supporting plate, 302-fixed chute, 303-moving slider, 304-first crane clamping plate, 305-second crane clamping plate, 306-hydraulic telescopic rod, 307-buffer spring, 4-stable supporting plate, 5-connecting chute and 6-walking track.

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.

Example 1:

as shown in fig. 1-5, the invention relates to a spring buffer device for a tubular pile crane, which comprises a crane body 1, wherein a crane adjusting mechanism 2 is arranged at the top of the crane body 1;

the hoisting adjusting mechanism 2 comprises a hoisting platform 201, the bottom of the hoisting platform 201 is rotatably connected with the top of the crane body 1 through a rotating shaft, a rotating suspender 202 is horizontally arranged in the inner cavity of the hoisting platform 201, the outer wall of the rotating suspender 202 is wound and sleeved with a hoisting sling 203, a motor mounting plate 204 is fixed on the side wall of the back of the hoisting platform 201, a servo motor 205 is installed on the top of the motor mounting plate 204, the rotating suspender 202 penetrates through the side wall of the hoisting platform 201 in a rotating way and is sleeved with the output end of the servo motor 205, a first electric telescopic boom 206 is fixed on the outer side wall of one end of the hoisting platform 201, a mounting shaft sleeve 207 is fixed on the telescopic end of the first electric telescopic boom 206, a second electric telescopic boom 208 is installed on the side wall of the outer end of the crane body 1, the telescopic end of the second electric telescopic boom 208 is hinged with the outer side wall of the first electric telescopic boom 206, the, And a hoisting rope 203 sequentially passes through the first hoisting pulley 209 and the second hoisting pulley 2010 and the bottom of the second hoisting pulley 2010 is fixed with a hoisting buffer mechanism 3.

One specific application of this embodiment is: the utility model provides a tubular pile crane is with spring buffer, when lifting by crane the device, drives through starting servo motor 205 and rotates jib 202, owing to rotate jib 202 outer wall winding and be connected with jack-up lifting rope 203, and then hoists the building of bottom.

Example 2:

wherein, lift by crane buffer gear 3 and include and lift by crane fagging 301, lift by crane fagging 301 bottom and seted up fixed spout 302, sliding connection has two sets of movable slide blocks 303 on the fixed spout 302, and two sets of movable slide blocks 303 bottom is fixed with first splint 304, the splint 305 are lifted by crane to the second respectively, and first splint 304, the splint 305 are lifted by crane to the second and are connected through hydraulic telescoping rod 306, and first splint 304, the splint 305 opposite end lateral wall of lifting by crane to the second evenly is fixed with buffer spring 307.

One specific application of this embodiment is: the building object is placed between the first lifting plate 304 and the second lifting clamp plate 305, then the hydraulic telescopic rod 306 is started to drive the first lifting plate 304 and the second lifting clamp plate 305 to be close to each other until the anti-skid rubber sleeves on the outer walls of the buffer springs 307 on the two sides clamp the building object, and the buffer springs 307 are arranged to effectively prevent the building object from being damaged or broken at the clamped positions in the lifting process.

Example 3:

wherein, the antiskid rubber sleeve has all been cup jointed to every buffer spring 307 outer wall of group, installation axle sleeve 207 is close to 1 one end lateral wall of hoist body and is fixed with and stabilizes fagging 4, stabilize fagging 4 and keep away from 1 one end lateral wall of hoist body and seted up and connect spout 5, it is close to 1 one end of hoist body and connects spout 5 sliding connection to lift by crane fagging 301, first splint 304 that lift by crane, second lift by crane splint 305 are the half arc structure, it rotates the connection through connecting the pivot and wherein the platform 204 inner chamber lateral wall to rotate jib 202, walking track 6 is installed to hoist body 1 bottom.

The specific application of this embodiment is: because stabilize fagging 4 and keep away from 1 one end lateral wall of hoist body and seted up connection spout 5, lift by crane fagging 301 and be close to 1 one end of hoist body and connect 5 sliding connection of spout, when meetting the severe weather of strong wind, effectively prevent that the in-process of building object hoist and mount from taking place to rock.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments have not been described in detail to avoid obscuring the description of the invention in its specific form, and it is to be understood that many modifications and variations are possible in light of the teaching of this specification. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.