CN217535151U

CN217535151U - Device suitable for large and medium-sized space prefabricated unit part balance hoisting

Info

Publication number: CN217535151U
Application number: CN202221234587.9U
Authority: CN
Inventors: 李荣路; 杜永强; 陈思慧; 李振宇; 张化峰; 邢玉强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-04
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a device suitable for balanced lifting by crane of prefabricated unit part in big-and-middle-sized space, including the hoist and mount frame, the welding of hoist and mount frame top has a set of hangers, the bottom welding of hoist and mount frame has the board of hanging, evenly distributed has the hanging hole on the board of hanging, the hoist and mount frame passes through loose pulley assembly hoist and mount prefabricated unit in space, the top of prefabricated unit in space is provided with a set of link, loose pulley assembly includes a set of pulley, be connected with the couple on the pulley, adjacent pulley is hung in turn through the couple and is established on hanging hole and link, around being equipped with an annular wire rope on a set of pulley, the one-to-one is connected with chain block between four turnings at hoist and mount frame and the prefabricated unit top in space. The utility model provides a guarantee the even perpendicular atress of all hoisting points, guarantee the overall balance of prefabricated unit simultaneously to can adapt to multiple specification or the prefabricated unit of many series, improve prefabricated unit installation work efficiency, avoid the stress failure who causes the prefabricated unit part in space.

Description

Device suitable for large and medium-sized space prefabricated unit part balance hoisting

Technical Field

The utility model relates to a hoist device technical field specifically is a device suitable for balanced lifting by crane of prefabricated unit part in big-and-middle-sized space.

Background

In recent years, prefabricated buildings are developed and applied vigorously, and the prefabricated buildings are gradually developed to large and medium-sized space prefabricated units such as prefabricated integrated toilets, prefabricated integrated kitchens, prefabricated integrated balconies, prefabricated elevator shafts and the like through single horizontal or vertical components such as prefabricated air conditioning plates, prefabricated laminated plates, prefabricated stairs and prefabricated columns.

When the large and medium-sized space prefabricated units are hoisted and installed, a tower crane or a crane is generally adopted to be connected with hoisting points on the prefabricated units through slings for hoisting. (1) Because a certain included angle is formed between the sling and the lifting point, the sling is stressed obliquely in a spatial structure in the lifting process, the lifting point is forced in multiple directions, the concrete around the lifting point is locally extruded, and the risk of stress damage or crack of the concrete is caused. (2) The large and medium-sized space prefabricated units are not necessarily on the same horizontal plane due to the fact that different structures may exist at different parts or the influence of pre-embedded lifting point installation errors, all lifting points are not stressed synchronously when equal-length lifting ropes are adopted for lifting, and part of the lifting points are stressed greatly, so that stress is concentrated at the positions, and stress damage is easy to occur; meanwhile, the prefabricated units cannot keep vertical and horizontal states, and are inclined to some extent, so that inconvenience is brought to the installation of the prefabricated units. (3) The existing vertical lifting appliance of the spatial prefabricated unit has a single form and can only meet the requirements of prefabricated units of one (or the same series) specification and model, namely the size of a lifting appliance frame is the same as the size of the section of the prefabricated unit (or the same series).

Therefore, a novel device suitable for balanced hoisting of large and medium-sized space prefabricated unit parts is urgently needed, and the defects in the prior art are overcome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device suitable for balanced lifting by crane of large and medium-sized space prefabricated unit part to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a device suitable for prefabricated unit part balance of big-and-middle-sized space lifts by crane, includes the hoist and mount frame, the welding of hoist and mount frame top has a set of hangers, the bottom welding of hoist and mount frame has the board of hanging, evenly distributed has the hanging hole on the board of hanging, the hoist and mount frame passes through loose pulley assembly hoist and mount prefabricated unit in space, the top of prefabricated unit in space is provided with a set of link, loose pulley assembly includes a set of pulley, be connected with the couple on the pulley, adjacent pulley is hung in turn through the couple and is established on hanging hole and link, around being equipped with an annular wire rope on a set of pulley, the one-to-one is connected with chain block between four turnings at hoist and frame prefabricated unit top in space.

Further, the hoisting frame comprises an outer frame, a group of supporting beams are welded in the outer frame, and the hanging plates are welded at the bottoms of the outer frame and the supporting beams.

Furthermore, supporting legs which vertically extend downwards are welded at four corners of the outer frame.

Further, the hangers are welded at the corners of the outer frame, the joints of the outer frame and the supporting beam and the joints between the outer frame and the supporting beam, and the hangers sequentially comprise an A hanger, a B hanger, a C hanger, a D hanger, an E hanger, an F hanger, a G hanger, an H hanger, an I hanger, a J hanger, a K hanger, an L hanger and an M hanger.

Furthermore, an elastic sheet is rotatably connected to an opening of the hook, and a torsion spring is connected between the elastic sheet and the hook.

Furthermore, an upper chain in the chain block is connected with the hoisting frame, a lower chain in the chain block is connected with the space prefabricating unit, and a chain is led out from the lower part of the chain block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a pulley lifting hook subassembly ensures that the hoisting point even makes not at same height, and all hoisting points also can synchronous atress. The length of a chain of the chain block is adjusted, the integral balance of the prefabricated unit is adjusted, the prefabricated unit component is made to be horizontal, the centroid and the mass center of the spatial prefabricated unit are guaranteed to be consistent, the vertical hoisting purpose is achieved, and the installation is facilitated;

2. the utility model discloses a distribution of "six divisions" hoist and mount frame upper portion nodes hangers can select to correspond the hangers according to the specification of different prefabricated units, lifts by crane. Thereby meeting the hoisting requirements of various specifications or multiple series of prefabricated units;

3. the utility model discloses well shell fragment can prevent to get in touch the unhook under the effect of torsional spring.

To sum up, the utility model provides a guarantee the even perpendicular atress of all hoisting points, guarantee the overall balance of prefabricated unit simultaneously to can adapt to multiple specification or the prefabricated unit of many series, improve prefabricated unit installation work efficiency, avoid the stress failure who causes the prefabricated unit part in space.

Drawings

FIG. 1 is a schematic structural diagram of a device suitable for balanced hoisting of large and medium-sized space prefabricated unit components;

FIG. 2 is an enlarged view of a portion of FIG. 1 at K;

FIG. 3 is a schematic top structure view of a hoisting frame in the device suitable for balanced hoisting of large and medium-sized space prefabricated unit components;

FIG. 4 is a schematic bottom structure diagram of a hoisting frame in a device suitable for balanced hoisting of large and medium-sized space prefabricated unit components;

FIG. 5 is a schematic structural diagram of a pulley and a hook in a device suitable for balanced hoisting of large and medium-sized space prefabricated unit components;

FIG. 6 is a schematic structural diagram of a chain block in a device suitable for balanced hoisting of large and medium-sized space prefabricated unit components;

fig. 7 is a distribution diagram of the hanging lugs in the device suitable for the balanced hoisting of the large and medium-sized space prefabricated unit parts.

In the figure: 1. a space prefabricating unit; 2. hanging a ring; 3. a wire rope; 4. a pulley; 5. hooking; 6. a spring plate; 7. a torsion spring; 8. a chain block; 9. chain feeding; 10. a lower chain; 11. pulling a chain by hand; 12. hoisting the frame; 13. an outer frame; 14. a support beam; 15. hanging plates; 16. Hanging holes; 17. supporting legs; 18. a, hanging a lug; 19. b, hanging a lug; 20. c, hanging a lug; 21. d, hanging a lug; 22. e, hanging a lug; 23. f, hanging a lug; 24. g, hanging a lug; 25. h, hanging a lug; 26. i, hanging a lug; 27. J hanging a lug; 28. k, hanging a lug; 29. l hanging a lug; 30. and M, hanging the ears.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1: referring to fig. 1 to 6, the device suitable for balanced hoisting of large and medium-sized space prefabricated unit components comprises a hoisting frame 12, a set of hangers is welded at the top of the hoisting frame 12, hanging plates 15 are welded at the bottom of the hoisting frame 12, hanging holes 16 are uniformly distributed in the hanging plates 15, the hoisting frame 12 hoists the space prefabricated unit 1 through pulley assemblies, a set of hanging rings 2 are arranged at the top of the space prefabricated unit 1, each pulley assembly comprises a set of pulleys 4, hooks 5 are connected to the pulleys 4, the adjacent pulleys 4 are alternately hung on the hanging holes 16 and the hanging rings 2 through the hooks 5, an annular steel wire rope 3 is wound on the set of pulleys 4, and chain blocks 8 are correspondingly connected between four corners at the top of the hoisting frame 12 and the space prefabricated unit 1 one by one.

An upper chain 9 in the chain block 8 is connected with a hoisting frame 12, a lower chain 10 in the chain block 8 is connected with the space prefabricating unit 1, and a chain 11 is led out below the chain block 8.

The utility model discloses well adoption pulley lifting hook subassembly, pulley lifting hook are for dismantling, and the pulley is parallel double pulley, winds wire rope down on the pulley, winds the lifting hook on another pulley. One prefabricated unit adopts a group of pulley hook assemblies to be sequentially connected with all the lifting points in series, so that all the lifting points can be synchronously stressed even if the lifting points are not at the same height. In the actual operation process, the sling connecting point can be adjusted according to the position of the hole. For avoiding leading to the centroid and the barycenter of the prefabricated unit in space to be not at a bit because of holes such as door and window, prefabricated unit can not keep perpendicular and horizontality during hoist and mount, the utility model discloses set up a chain block respectively at the hoisting point that prefabricated unit four corners corresponds, through adjusting the chain block chain length, the whole balance of the prefabricated unit of adjustment makes prefabricated unit part level, guarantees that the centroid of the prefabricated unit in space is unanimous with the barycenter, reaches the purpose of lifting by crane perpendicularly, the installation of being convenient for. The utility model discloses in have the even perpendicular atress of hoisting point, guarantee the overall balance of prefabricated unit simultaneously, improve prefabricated unit installation work efficiency, avoid the stress failure who causes the prefabricated unit part in space.

Example 2: referring to fig. 3 to 4, a device suitable for balanced hoisting of large and medium-sized space prefabricated unit components is different from embodiment 1 in that the hoisting frame 12 includes an outer frame 13, a group of support beams 14 are welded in the outer frame 13, and the hanging plate 15 is welded at the bottoms of the outer frame 13 and the support beams 14.

Supporting legs 17 which vertically extend downwards are welded at four corners of the outer frame 13.

The hangers are welded at the corners of the outer frame 13, the connecting parts of the outer frame 13 and the supporting beams 14 and the connecting parts between the supporting beams 14, and sequentially comprise an A hanger 18, a B hanger 19, a C hanger 20, a D hanger 21, an E hanger 22, an F hanger 23, a G hanger 24, an H hanger 25, an I hanger 26, a J hanger 27, a K hanger 28, an L hanger 29 and an M hanger 30.

In this embodiment, the distribution of the hangers at the upper node of the hoisting frame in the six-grid mode can select corresponding hangers according to the specifications of different prefabricated units to hoist. Thereby meeting the hoisting requirements of various specifications or a plurality of series of prefabricated units. Selecting a corresponding hanger combination according to the specification and the size of the space prefabricated unit; the pulley assemblies are alternately connected in series with the shackle holes and are connected with the hoisting points of the space prefabricated units, so that all the hoisting points are synchronously stressed, and local concentrated stress does not exist; and finally, horizontally adjusting the space prefabricated unit by using the four-corner chain block. The upper end of the hoisting frame is provided with 13A-M hanging lugs, the lengths of all nodes are unequal, and the corresponding hanging lug combination is selected for hoisting according to the specifications of different prefabricated units, so that the prefabricated units with at least eight specifications can be met. For the convenient placement of the lifting appliance, the lower end of the lifting frame is provided with four supporting legs, and the four supporting legs are respectively arranged at four corners of the lifting frame.

Example 3: referring to fig. 5, the difference between the device suitable for balanced hoisting of large and medium-sized space prefabricated unit parts and the embodiment 1 is that an elastic sheet 6 is rotatably connected to an opening of a hook 5, and a torsion spring 7 is connected between the elastic sheet 6 and the hook 5.

In this embodiment, the elastic sheet 6 can prevent the hook 5 from unhooking under the action of the torsion spring 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device suitable for prefabricated unit part of big-and-middle-sized space balanced lifts by crane, includes hoist and mount frame (12), its characterized in that: the welding of hoist and mount frame (12) top has a set of hangers, the bottom welding of hoist and mount frame (12) has hanging board (15), it has hanging hole (16) to hang hanging board (15) to go up evenly distributed, hoist and mount frame (12) are through loose pulley assembly hoist and mount prefabricated unit in space (1), the top of prefabricated unit in space (1) is provided with a set of link (2), loose pulley assembly includes a set of pulley (4), be connected with couple (5) on pulley (4), adjacent pulley (4) are hung in turn through couple (5) and are established on hanging hole (16) and link (2), around being equipped with an annular wire rope (3) on a set of pulley (4), one-to-one is connected with chain block (8) between four turnings at hoist and mount frame (12) and prefabricated unit in space (1) top.

2. The device for balanced hoisting of the prefabricated unit parts in the large and medium-sized spaces, according to claim 1, is characterized in that: the hoisting frame (12) comprises an outer frame (13), a group of supporting beams (14) are welded in the outer frame (13), and the hanging plates (15) are welded at the bottoms of the outer frame (13) and the supporting beams (14).

3. The device for balanced hoisting of the prefabricated unit parts in large and medium-sized spaces as claimed in claim 2, wherein: supporting legs (17) which vertically extend downwards are welded at four corners of the outer frame (13).

4. The device for balanced hoisting of the prefabricated unit parts in the large and medium-sized spaces, according to claim 2, is characterized in that: the hangers are welded at the corners of the outer frame (13), the joints of the outer frame (13) and the supporting beams (14) and the joints between the supporting beams (14), and sequentially comprise an A hanger (18), a B hanger (19), a C hanger (20), a D hanger (21), an E hanger (22), an F hanger (23), a G hanger (24), an H hanger (25), an I hanger (26), a J hanger (27), a K hanger (28), an L hanger (29) and an M hanger (30).

5. The device for balanced hoisting of the prefabricated unit parts in the large and medium-sized spaces, according to claim 1, is characterized in that: the hook is characterized in that an elastic sheet (6) is rotatably connected to an opening of the hook (5), and a torsion spring (7) is connected between the elastic sheet (6) and the hook (5).

6. The device for balanced hoisting of the prefabricated unit parts in the large and medium-sized spaces, according to claim 1, is characterized in that: the upper chain (9) in the chain block (8) is connected with the hoisting frame (12), the lower chain (10) in the chain block (8) is connected with the space prefabricating unit (1), and the chain block (11) is led out below the chain block (8).