1. The utility model provides a constructional steel constructs installation with supplementary lifting device, the constructional steel constructs the installation with supplementary lifting device and includes fixed plate (6), its characterized in that still includes:

the lifting plate (14) is connected with the fixed plate (6) through a lifting mechanism, and the lifting plate (14) can stretch out and draw back along the length direction of the fixed plate (6) under the action of the lifting mechanism;

the winding structure is connected with the lifting mechanism, a traction rope (11) is arranged between the fixing plate (6) and the lifting plate (14), one end of the traction rope (11) is provided with a hook for hanging a steel structure, and the other end of the traction rope is connected with the winding structure;

the winding structure can wind or release the traction rope (11), and the lifting mechanism is driven to drive the lifting plate (14) to extend or shorten along the length direction of the fixing plate (6) when the winding structure winds or releases the traction rope (11);

the lifting structure is arranged at the top of the lifting plate (14), is connected with the traction rope (11) and swings when the traction rope (11) is wound or loosened.

2. An auxiliary lifting device for construction steel structure installation according to claim 1, wherein the winding structure comprises a power device (7), a worm (8) rotatably installed on the fixing plate (6) and connected with the output end of the power device (7), and a worm wheel (9) rotatably installed on the fixing plate (6) and matched with the worm (8);

and a winding roller for fixing one end of the traction rope (11) and winding the traction rope (11) is arranged on the side surface of the worm wheel (9).

3. The auxiliary lifting device for structural steel installation according to claim 2, wherein the lifting mechanism comprises a rack plate (15) fixed on the surface of the lifting plate (14) in the length direction thereof, a gear (13) rotatably mounted on the fixing plate (6) and engaged with the rack plate (15), and a transmission structure for connecting the gear (13) and the worm wheel (9).

4. An auxiliary lifting device for the installation of constructional steel as claimed in claim 3 wherein the transmission structure comprises a bevel gear set (10) connected to the worm gear (9) and rotatably mounted on the fixed plate (6) and a second chain (12) connecting the bevel gear set (10) with the gear (13).

5. An auxiliary lifting device for building steel structure installation according to claim 1, wherein the elevating structure comprises a driving wheel (18) and a driven wheel (20) which are rotatably installed on the top of the lifting plate (14), and a sheave (17) which is coaxially connected with the driving wheel (18), the traction rope (11) passes around the sheave (17) and is in rolling fit with the sheave, and the driving wheel (18) and the driven wheel (20) are connected through a driving device (19);

a rotary table (21) is coaxially fixed on the back of the driven wheel (20), a support rod (22) is fixed on the rotary table (21), and a limit wheel (23) which is matched with the traction rope (11) in a rolling manner is rotatably arranged at one end, far away from the rotary table (21), of the support rod (22).

6. A constructional steel structure installing apparatus comprising the auxiliary lifting device for constructional steel structure installation as claimed in any one of claims 1 to 5, wherein the constructional steel structure installing apparatus further comprises a stabilizing mechanism mounted on the lower portion of the fixing plate (6) for supporting the fixing plate (6), the stabilizing mechanism being connected to the worm (8) by a chain (5) so that the stabilizing mechanism extends outwardly or retracts inwardly when the lifting plate (14) is extended or shortened in the length direction of the fixing plate (6).

7. A constructional steel structure mounting apparatus as claimed in claim 6 wherein the stabilising mechanism includes a base plate (1) fixedly connected to the fixing plate (6) and a telescopic plate (2) extendable or retractable in the width direction of the base plate (1) and an adjustment structure connecting the base plate (1) and the telescopic plate (2).

8. A constructional steel structure mounting equipment as claimed in claim 7 wherein said adjustment structure includes a threaded rod (4) rotatably mounted on said base plate (1) and connected to said worm (8) through said chain and a threaded sleeve (3) threadedly engaged with said threaded rod (4), an end of said threaded sleeve (3) remote from said threaded rod (4) being fixedly connected to said expansion plate (2).

Background

Steel structures are structures composed of steel materials and are one of the main types of building structures. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and the general steel structure needs to be derusted, galvanized or painted and needs to be maintained regularly.

In the steel structure field installation, a crane is often needed for hoisting installation, but the lifting speed of the steel structure in the hoisting process of the traditional crane is very low, so that the construction progress is influenced, and therefore the auxiliary lifting device and the installation equipment for the construction steel structure installation are provided.

Disclosure of Invention

The invention aims to provide an auxiliary lifting device for mounting a construction steel structure and mounting equipment, which are used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a constructional steel constructs installation with supplementary lifting device, the constructional steel constructs the installation with supplementary lifting device and includes the fixed plate, still includes:

the lifting plate is connected with the fixed plate through a lifting mechanism and can stretch along the length direction of the fixed plate under the action of the lifting mechanism;

the winding structure is connected with the lifting mechanism, a traction rope is arranged between the fixed plate and the lifting plate, one end of the traction rope is provided with a hook for hanging a steel structure, and the other end of the traction rope is connected with the winding structure;

the winding structure can wind or release the traction rope, and the lifting mechanism is driven to drive the lifting plate to extend or shorten along the length direction of the fixing plate when the winding structure winds or releases the traction rope;

the lifting structure is arranged at the top of the lifting plate and connected with the traction rope and swings when the traction rope is wound or loosened.

As a further scheme of the invention: the winding structure comprises a power device, a worm which is rotatably arranged on the fixing plate and connected with the output end of the power device, and a worm wheel which is rotatably arranged on the fixing plate and matched with the worm;

and a winding roller for fixing one end of the traction rope and winding the traction rope is arranged on the side surface of the worm wheel.

As a still further scheme of the invention: the lifting mechanism comprises a rack plate fixed on the surface of the lifting plate along the length direction of the lifting plate, a gear rotatably mounted on the fixing plate and meshed with the rack plate, and a transmission structure for connecting the gear and the worm wheel.

As a still further scheme of the invention: the transmission structure comprises a bevel gear set connected with the worm gear and rotatably installed on the fixing plate and a second chain connected with the bevel gear set and the gear.

As a still further scheme of the invention: the lifting structure comprises a driving wheel, a driven wheel and a grooved wheel, wherein the driving wheel and the driven wheel are rotatably mounted at the top of the lifting plate, the grooved wheel is coaxially connected with the driving wheel, the traction rope bypasses the grooved wheel and is in rolling fit with the grooved wheel, and the driving wheel is connected with the driven wheel through a driving device;

the back of the driven wheel is coaxially fixed with a turntable, a support rod is fixed on the turntable, and one end of the support rod, far away from the turntable, is rotatably provided with a limiting wheel in rolling fit with the traction rope.

The utility model provides a constructional steel constructs erection equipment, constructional steel constructs erection equipment includes the constructional steel construct the installation with supplementary lifting device, still including installing the fixed plate lower part is used for right the fixed plate carries out the stabilizing mean that supports, stabilizing mean connects through a chain the worm is so that the lifter plate is followed when extension or shortening on the length direction of fixed plate, stabilizing mean outwards extends or inwards packs up.

As a still further scheme of the invention: the stabilizing mechanism comprises a bottom plate fixedly connected with the fixing plate, an expansion plate capable of extending or retracting along the width direction of the bottom plate, and an adjusting structure for connecting the bottom plate and the expansion plate.

As a still further scheme of the invention: the adjusting structure is installed including rotating on the bottom plate and through a chain with the threaded rod that the worm is connected and with threaded rod screw-thread fit's threaded sleeve, threaded sleeve keeps away from the one end of threaded rod with expansion plate fixed connection.

Compared with the prior art, the invention has the beneficial effects that: the traction rope winding device is novel in design, in use, the winding structure is driven to rotate to wind the traction rope, the winding structure drives the lifting assembly to move to enable the lifting plate to ascend in the length direction of the fixing plate, secondary lifting is achieved, the ascending speed of a steel structure is accelerated, meanwhile, when the winding structure winds the traction rope, the lifting structure is driven to move to further lift the traction rope to achieve secondary lifting, the ascending speed of the steel structure is further accelerated on the basis of original acceleration, and the lifting structure drives the stabilizing mechanism to extend outwards while the lifting plate ascends, so that the stability of the device is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an auxiliary lifting device and an installation device for installing a constructional steel structure.

FIG. 2 is a rear view of an embodiment of an auxiliary lifting device and installation equipment for installing constructional steel.

Fig. 3 is an enlarged view of a point a in fig. 1.

Fig. 4 is a schematic structural diagram of a raising structure in an embodiment of the auxiliary lifting device and the mounting equipment for mounting the constructional steel structure.

In the figure: the device comprises a base plate 1, a telescopic plate 2, a threaded sleeve 3, a screw rod 4, a chain 5, a first chain 6, a fixed plate 7, a power device 8, a worm gear 9, a worm gear 10, a bevel gear set 11, a traction rope 12, a second chain 12, a gear 13, a lifting plate 14, a rack plate 15, a beam 16, a sheave 17, a driving wheel 18, a driving device 19, a driven wheel 20, a turntable 21, a supporting rod 22 and a limiting wheel 23.

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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, an auxiliary lifting device for mounting a structural steel structure includes a fixing plate 6, and further includes:

the lifting plate 14 is connected with the fixed plate 6 through a lifting mechanism, and the lifting plate 14 can extend and retract along the length direction of the fixed plate 6 under the action of the lifting mechanism;

the winding structure is connected with the lifting mechanism, a traction rope 11 is arranged between the fixed plate 6 and the lifting plate 14, one end of the traction rope 11 is provided with a hook for hanging steel structures, and the other end of the traction rope is connected with the winding structure;

the winding structure can wind or unwind the traction rope 11, and when the winding structure winds or unwinds the traction rope 11, the lifting mechanism is driven to drive the lifting plate 14 to extend or shorten along the length direction of the fixing plate 6;

the lifting structure is arranged at the top of the lifting plate 14, and the lifting structure is connected with the traction rope 11 and swings when the traction rope 11 is wound or loosened.

In the embodiment of the invention, in use, the winding structure is driven to rotate to wind the traction rope 11, and simultaneously, the winding structure drives the lifting assembly to move so as to enable the lifting plate 14 to ascend in the length direction of the fixing plate 6, so that secondary lifting is realized, the ascending speed of the steel structure is accelerated, meanwhile, when the winding structure winds the traction rope 11, the lifting structure is driven to move, the traction rope 11 is further lifted to realize secondary lifting, the ascending speed of the steel structure is further accelerated on the basis of the original acceleration, and the lifting structure drives the stabilizing mechanism to move while the lifting plate 14 ascends, so that the stability of the device is improved.

As an embodiment of the present invention, the winding structure includes a power device 7, a worm 8 rotatably mounted on the fixing plate 6 and connected to an output end of the power device 7, and a worm wheel 9 rotatably mounted on the fixing plate 6 and engaged with the worm 8;

and a winding roller for fixing one end of the traction rope 11 and winding the traction rope 11 is arranged on the side surface of the worm wheel 9.

In the embodiment of the invention, when the power device 7 works, the worm 8 is driven to rotate, so that the worm wheel 9 rotates, and the winding roller is driven to wind the traction rope 11 so as to lift the steel structure;

the power unit 7 is preferably a servo motor that can rotate in forward and reverse directions, so that the lifting plate 14 can be raised or lowered, and the steel structure can be raised or lowered.

As an embodiment of the present invention, the lifting mechanism includes a rack plate 15 fixed on a surface thereof in a length direction of the lifting plate 14, a gear 13 rotatably mounted on the fixed plate 6 and engaged with the rack plate 15, and a transmission structure for connecting the gear 13 and the worm wheel 9.

In the embodiment of the invention, when the worm 8 rotates, the gear 13 rotates through the transmission structure and drives the lifting plate 14 with the rack plate 15 to ascend or descend, and under the self-locking action of the worm 8 and the worm wheel 9, the lifting plate 14 cannot be displaced even if the power device is closed.

As an embodiment of the present invention, the transmission structure includes a bevel gear set 10 connected to the worm wheel 9 and rotatably mounted on the fixed plate 6, and a second chain 12 connecting the bevel gear set 10 and the gear 13;

the bevel gear set 10 comprises a first bevel gear coaxially connected with the worm gear 9 and a second bevel gear meshed with the first bevel gear and rotatably mounted on the fixing plate 6, and the second bevel gear is connected with the gear 13 through the second chain 12.

In the embodiment of the invention, when the worm wheel 9 rotates, the bevel gear set 10 is driven to rotate, and the gear 13 is driven to rotate through the second chain 12, so that the lifting plate 14 is lifted or lowered.

As an embodiment of the present invention, the raising structure includes a driving wheel 18 and a driven wheel 20 rotatably mounted on the top of the lifting plate 14, and a sheave 17 coaxially connected to the driving wheel 18, the traction rope 11 passes around the sheave 17 and is in rolling contact therewith, and the driving wheel 18 is connected to the driven wheel 20 through a driving device 19;

a rotary disc 21 is coaxially fixed on the back of the driven wheel 20, a support rod 22 is fixed on the rotary disc 21, and a limit wheel 23 which is in rolling fit with the traction rope 11 is rotatably arranged on one end of the support rod 22 far away from the rotary disc 21;

a beam 16 is horizontally fixed on the top of the lifting plate 14, and the sheave 17, the driving wheel 18 and the driven wheel 20 are rotatably mounted on the beam 16.

In the embodiment of the invention, when the steel structure is lifted by the hauling rope 11, the driving sheave 17 rotates, the sheave 17 drives the driving wheel 18 to rotate, and under the action of the driving device 19, the turntable 21 rotates and drives the supporting rod 22 to generate a certain angle change so as to lift the hauling rope 11 upwards again;

the driving pulley 18 and the driven pulley 20 are both sprockets, and the driving device 19 is a chain.

As an embodiment of the present invention, there is also provided a constructional steel structure installation apparatus including the auxiliary lifting device for constructional steel structure installation, and further including a stabilizing mechanism installed at a lower portion of the fixed plate 6 for supporting the fixed plate 6, the stabilizing mechanism being connected to the worm 8 by a first chain 5 so as to extend outward or retract inward when the lifting plate 14 is extended or shortened in a longitudinal direction of the fixed plate 6.

In the embodiment of the invention, the lifting structure drives the stabilizing mechanism to extend outwards at the same time when the lifting plate 14 is lifted so as to improve the stability of the device, and when the lifting plate 14 is lowered, the stabilizing mechanism is retracted inwards so as to reduce the occupied space of the device.

As an embodiment of the present invention, the stabilizing mechanism includes a base plate 1 fixedly connected to the fixing plate 6, a telescopic plate 2 extendable or retractable in a width direction of the base plate 1, and an adjusting structure connecting the base plate 1 and the telescopic plate 2.

In the embodiment of the invention, when the lifting plate 14 is lifted, the worm 8 drives the adjusting structure to work through the first chain 5, so that the expansion plate 2 extends outwards, and the stability of the device is improved.

As an embodiment of the present invention, the adjusting structure includes a threaded rod 4 rotatably mounted on the bottom plate 1 and connected to the worm 8 through a first chain 5, and a threaded sleeve 3 in threaded engagement with the threaded rod 4, and one end of the threaded sleeve 3 away from the threaded rod 4 is fixedly connected to the expansion plate 2.

In the embodiment of the invention, when the worm 8 rotates, the threaded rod 4 is driven to rotate through the first chain 5, so that the threaded sleeve 3 which is in threaded fit with the threaded rod 4 moves in the axial direction of the threaded rod 4 to drive the expansion plate 2 to extend outwards or retract inwards.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.