CN220845060U - Hoisting device for laminated slab - Google Patents

Abstract

The application discloses a hoisting device for a laminated slab, which comprises two main body structures: the supporting shafts of the two main body structures are hinged with each other; the sliding component of the lifting mechanism comprises a sliding block and a connecting fastener; the horizontal adjusting component of the hoisting mechanism comprises an adjusting box, a scroll, a hoisting rope, a ratchet wheel and a ratchet. According to the hoisting device provided by the embodiment of the application, a mode of hinging two support shafts is adopted as a bearing structure, the structure is simple, materials are easy to obtain, a plurality of hoisting mechanisms are arranged on the support shafts, the hoisting mechanisms can be connected with a plurality of hoisting point positions on the laminated plate, so that the hoisting safety and stability are ensured, and in the embodiment of the application, the two hinged support shafts are matched with the sliding blocks which are slidably arranged in a variable angle manner, so that the laminated plate with different specifications can be hoisted in an adaptive manner, when in hoisting, the hoisting ropes can be retracted and released, the laminated plate is ensured to be in a horizontal position after being hoisted, and the rotation of the reel is limited through the matching of the ratchet and the ratchet wheel after being hoisted, so that the laminated plate is prevented from falling.

Description

Hoisting device for laminated slab

Technical Field

The application relates to the field of civil construction, in particular to a hoisting device for a superimposed sheet.

Background

The assembled building has higher application prospect in industry due to the advantages of low pollution, low risk coefficient, easy construction and the like.

Wherein, prefabricated component (for example superimposed sheet) is various, the size is various, consequently also produces various problems in the work progress, and for example superimposed sheet size is various, lacks the not unidimensional superimposed sheet of adaptable different sizes to often appear non-horizontal state when superimposed sheet hoists, brought uncertain factor for superimposed sheet's hoist and mount work.

Disclosure of utility model

The embodiment of the application provides a lifting device for laminated plates, which is applicable to lifting laminated plates with different specifications and has good stability.

The application provides a hoisting device for a laminated slab, which comprises two main body structures: the main body structure comprises a supporting shaft and at least two hoisting mechanisms arranged on the supporting shaft;

The supporting shafts of the two main body structures are hinged with each other; the lifting mechanism comprises a sliding assembly and a horizontal adjusting assembly, the sliding assembly comprises a sliding block and a connecting fastener, the sliding block is arranged on the supporting shaft in a sliding manner along the length direction of the supporting shaft, and the supporting shaft is provided with a plurality of first connecting holes along the length direction of the supporting shaft; the connecting fastener is arranged on the sliding block and is used for being connected with the first connecting hole;

The horizontal adjusting component comprises an adjusting box, a scroll, a lifting rope, a ratchet wheel and a ratchet; the adjusting box is connected with the sliding block, the scroll is rotatably arranged on the adjusting box, at least part of the lifting rope is wound on the scroll, and the free end of the lifting rope is used for connecting the laminated plates; the ratchet is coaxially fixed on the reel, the ratchet is rotatably arranged on the adjusting box, the ratchet is in contact with the ratchet, and the ratchet is used for limiting the unidirectional rotation of the ratchet.

The lifting device for the superimposed sheet has at least the following beneficial effects:

According to the hoisting device, a mode that two support shafts are hinged is adopted as a bearing structure, the structure is simple, materials are easy to obtain, a plurality of hoisting mechanisms are arranged on the support shafts, the hoisting mechanisms can be connected with a plurality of hoisting point positions on the laminated plate, so that the hoisting safety and stability are guaranteed, in the embodiment of the application, the two hinged support shafts are matched with sliding blocks which are arranged in a sliding manner according to the changing angle of the two support shafts, so that the laminated plate with different specifications can be hoisted in an adaptive manner, when the laminated plate is hoisted, the reel is rotated, the hoisting ropes can be wound and unwound, the length of the hoisting ropes at all positions is adjusted, the laminated plate is guaranteed to be in a horizontal position after being hoisted, and the reel is limited to rotate through the matching of ratchets and ratchets after being hoisted, so that the laminated plate is prevented from falling and the stability is good.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural view of a lifting device according to an embodiment of the present application;

FIG. 2 is a partial schematic view of FIG. 1;

FIG. 3 is a top view of two support shafts according to one embodiment of the present application;

FIG. 4 is a schematic view of a horizontal adjustment assembly according to an embodiment of the present application;

FIG. 5 is an enlarged view of A in FIG. 4;

FIG. 6 is a schematic view of a ratchet adjusting locking direction in a lower embodiment of the present application;

FIG. 7 is another angular schematic view of FIG. 4;

FIG. 8 is a schematic cross-sectional view of a level adjustment assembly according to some embodiments of the application;

The reference numerals are as follows:

1. A support shaft; 1a, a first connecting hole; 1b, a second connecting hole; 11. a limit part; 12. a pin shaft; 2. a lifting mechanism; 21. a sliding assembly; 211. a slide block; 212. connecting a fastener;

22. a level adjustment assembly; 221. an adjusting box; 221a, a lifting rope through hole; 222. a reel; 223. a hanging rope; 224. a ratchet wheel; 225. a ratchet; 2251. a ratchet mounting post; 226. a reinforcing plate; 227. a disc; 228. rotating the handle; 229. a hanging ring; 2291. a lifting ring body; 2292. a lifting ring closing bolt;

3. a telescoping member.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the particular embodiments described herein are meant to be illustrative of the application only and not limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

To facilitate understanding of the present application, some cases in the technical field of the present application will be described first.

Superimposed sheets are a type of prefabricated component commonly used in fabricated buildings, which need to be lifted to a designated position by lifting equipment.

The inventor of the application researches the application, because the shape and the specification of the laminated slab are different, the existing hoisting device can not be suitable for hoisting the laminated slab with different specifications, and the existing hoisting device has the problem that the hoisting ropes or the hoisting chains can not be adjusted to cause overlarge stress at the individual positions of the laminated slab so as to deform.

In order to solve the above problems, as shown in fig. 1 to 4, an embodiment of the present application provides a hoisting device for a laminated slab, including two main structures: the main body structure comprises a support shaft 1 and at least two hoisting mechanisms 2 arranged on the support shaft 1;

The supporting shafts 1 of the two main body structures are hinged with each other; the hoisting mechanism 2 comprises a sliding assembly 21 and a horizontal adjusting assembly 22, the sliding assembly 21 comprises a sliding block 211 and a connecting fastener 212, the sliding block 211 is arranged on the supporting shaft 1 in a sliding manner along the length direction of the supporting shaft 1, and the supporting shaft 1 is provided with a plurality of first connecting holes 1a along the length direction; the connection fastener 212 is provided on the slider 211 for connection with the first connection hole 1a;

The horizontal adjustment assembly 22 includes an adjustment box 221, a spool 222, a hoist rope 223, a ratchet 224, and a ratchet 225;

The adjusting box 221 is connected with the sliding block 211, the scroll 222 is rotatably arranged on the adjusting box 221, at least part of the lifting rope 223 is wound on the scroll 222, and the free end of the lifting rope 223 is used for connecting the laminated plate (not shown); the ratchet 224 is coaxially fixed to the reel 222, the ratchet 225 is rotatably disposed on the adjusting box 221, the ratchet 225 abuts against the ratchet 224, and the ratchet 225 is used for limiting unidirectional rotation of the ratchet 224.

In some embodiments, as shown in fig. 1, the main structure includes a support shaft 1 (the overall shape of the support shaft is cylindrical) and two lifting mechanisms 2, where the two lifting mechanisms 2 are respectively located at two axial ends of the support shaft 1, and the middle parts of the support shafts 1 of the two main structures are hinged to each other to form a variable-angle cross structure.

In some embodiments, as shown in fig. 1, two hoisting mechanisms 2 may be used to connect prefabricated hoisting holes on the laminated slab, and two main structures share at least four hoisting mechanisms 2, so that the laminated slab can be hoisted from four positions, and stability is good.

In some embodiments, as shown in fig. 2, the sliding assembly 21 of the lifting mechanism 2 includes a sliding block 211 and a connection fastener 212, the sliding block 211 is annular in shape, the sliding block 211 is sleeved on the periphery of the supporting shaft 1, the sliding block 211 can slide along the axial direction of the supporting shaft 1, a first through hole is formed in the sliding block 211, at least part of the connection fastener 212 is penetrated on the first through hole, a plurality of first connection holes 1a are sequentially formed in the supporting shaft 1 along the length direction of the supporting shaft, the first connection holes 1a can be threaded holes or pin holes, and when the first through hole is aligned with the first connection holes 1a, the connection fastener 212 can be penetrated and matched with the first connection holes 1a, so that locking of the sliding block 211 on the supporting shaft 1 is realized.

In some embodiments, the connection fastener 212 may be a bolt or a foldable pin structure, when the connection fastener 212 is a bolt, the first connection hole 1a on the support shaft 1 is a threaded hole matched with the bolt, and when the connection fastener 212 is a foldable pin structure (not shown), the first connection hole 1a on the support shaft 1 is a pin hole matched with the pin structure, the foldable pin structure comprises a first section and a second section, the first section and the second section can be rotationally folded to form an L-shaped structure, and the convenience of adopting the foldable pin structure is better, and the foldable pin structure can be seen in the prior art.

In some embodiments, as shown in fig. 2, the slider 211 is connected to the adjustment box 221 of the horizontal adjustment assembly 22, for example, by a chain hoist or a connecting rod, and in the embodiment of the present application, the upper end of the chain is connected to the hook at the lower end of the slider 211, and the lower end of the chain is connected to the top of the adjustment box 221.

In some embodiments, at least part of the winding shaft 222 is horizontally rotatably disposed in the adjusting box 221, the adjusting box 221 is provided with a hanging rope through hole 221a below the winding shaft 222, at least part of the hanging rope 223 is wound on the outer circumference of the winding shaft 222, one end of the hanging rope 223 is fixedly connected with the winding shaft 222, and the other end of the hanging rope 223 (i.e., the free end of the hanging rope 223) is used for being connected with a prefabricated hanging hole on the laminated plate.

In some embodiments, as shown in fig. 4 and 5, the ratchet 224 is coaxially fixed to the reel 222, and for stability, the inner circumference of the ratchet 224 and the outer circumference of the reel 222 are connected by a key and a key groove, the ratchet 225 is installed at the outside of the adjustment box 221 through the ratchet installation post 2251, and the ratchet 225 is located above the ratchet 224, specifically: one end of the ratchet mounting post 2251 is horizontally fixed to the outside of the adjustment, one end of the ratchet 225 is coaxially provided on the ratchet mounting post 2251, and relative rotation between the ratchet 225 and the ratchet mounting post 2251 is possible.

In some embodiments, the end of the ratchet mounting post 2251 facing away from the adjustment box 221 is provided with a stop that can block the ratchet 225 from disengaging in the axial direction of the ratchet mounting post 2251.

In some embodiments, as shown in fig. 6, arrow P ₁ represents the allowable rotation direction (clockwise direction) of the ratchet 224, and arrow P ₂ represents the rotation direction when the ratchet 225 switches the locking direction, wherein:

One end of the ratchet 225 away from the ratchet mounting post 2251 may abut in the tooth slot of the ratchet 224, thereby implementing a limitation on rotation of the ratchet 224 and thus implementing a limitation on rotation of the spool 222, as will be appreciated: because the ratchet 225 is rotatably disposed, when the ratchet 225 is in the first position, the counterclockwise rotation of the ratchet 224 may be blocked, as shown in fig. 6 (a); fig. 6 (b) shows a schematic view of the ratchet 225 being shifted from the first position to the second position; when the ratchet 225 is in the second position, the ratchet 224 may be blocked from rotating clockwise, as shown in (c) of fig. 6.

In some embodiments, both the ratchet 225 and the ratchet 224 are disposed outside of the adjustment housing 221, facilitating a worker to toggle the ratchet 225 to adjust the ratchet 225 to either the first position or the second position.

In the hoisting device provided by the embodiment of the application, a mode of hinging two support shafts 1 is adopted as a bearing structure, the structure is simple, materials are easy to obtain, a plurality of hoisting mechanisms 2 are arranged on the support shafts 1, the hoisting mechanisms 2 can be connected with a plurality of hoisting point positions on the laminated plate, so that the hoisting safety and stability are ensured, and in the embodiment of the application, the two hinged support shafts 1 are matched with sliding blocks 211 in sliding arrangement in a variable angle manner, so that the laminated plate with different specifications can be hoisted in an adaptive manner, when in hoisting, the reel 222 is rotated, the hoisting ropes 223 can be wound and unwound, thereby adjusting the lengths of the hoisting ropes 223 at all positions, ensuring that the laminated plate is in a horizontal position after hoisting, and after hoisting, the reel 222 is limited to rotate through the matching of the ratchet 225 and the ratchet 224, so that the laminated plate can not fall off and the stability is good.

Optionally, as shown in fig. 3, a telescopic member 3 is disposed between the supporting shafts 1 of the two main structures, two ends of the telescopic member 3 are respectively connected with the supporting shafts 1 of the two main structures, and the telescopic member 3 is used for adjusting a preset included angle θ formed by the two supporting shafts 1.

In some embodiments, the supporting shafts 1 of the two main structures are hinged through the pin shaft 12 to form a cross structure, and the two supporting shafts 1 can be driven to rotate through the expansion and contraction of the expansion piece 3, so that a preset included angle θ formed between the two supporting shafts 1 is adjusted, and it can be understood that: the preset angle θ refers to an angle between axes of the two support shafts 1.

In some embodiments, the telescoping member 3 comprises a telescoping ram or electric pushrod or other element having a linear telescoping drive.

In some embodiments, two axial ends of the telescopic members 3 are respectively hinged on the supporting shafts 1 of the two main body structures, wherein in the embodiment of the application, two telescopic members 3 are shared and respectively arranged on two horizontal sides of the hinged position of the supporting shafts 1.

According to the embodiment of the application, the preset included angle theta between the two support shafts 1 can be automatically adjusted by arranging the telescopic piece 3, and the telescopic piece can be adapted to hoisting of laminated slabs of most specifications by actually adjusting the preset included angle theta and then matching with the slidable design of the sliding block 211 assembly, so that the telescopic device is high in practicability, simple in structure and low in cost.

Alternatively, as shown in fig. 1, the end of the support shaft 1 is provided with a stopper 11 for restricting the sliding block 211 from being separated in the length direction of the support shaft 1.

In some embodiments, the two end portions of the support shaft 1 are fixedly provided with a limiting portion 11, and the limiting portion 11 can block the sliding block 211 from moving in the axial direction of the support shaft 1.

In the embodiment of the application, the sliding block 211 can be prevented from accidentally falling off by arranging the limiting parts 11 at the two ends of the supporting shaft 1, so that the structural safety is ensured.

Alternatively, as shown in fig. 1, two ends of the supporting shaft 1 are provided with second connecting holes 1b, and external lifting equipment is connected with the supporting shaft 1 through the second connecting holes 1 b.

In some embodiments, the second connecting holes 1b are arranged at the two axial end parts of the supporting shaft 1, and the connecting ropes of the lifting device are connected to the second connecting holes 1b, so that the lifting device can conveniently lift the lifting device and the whole laminated slab.

In the embodiment of the application, the second connecting hole 1b is arranged to facilitate the connection of the lifting equipment, so that the whole structure can be stably lifted.

Optionally, as shown in fig. 4, a reinforcing plate 226 is disposed between the top wall and the horizontal side wall of the adjusting box 221, and the adjusting box 221 is made of aluminum alloy.

In some embodiments, the adjusting box 221 has a top wall and a horizontal side wall, the top wall is connected with a chain at the lower end of the sliding block 211, for example, the top wall of the adjusting box 221 is fixedly provided with a connection ring connected with the chain.

In some embodiments, the stiffener 226 fixedly connects the top wall and horizontal side walls of the adjustment box 221.

In some embodiments, the material of the adjusting box 221 may be an aluminum alloy or a high-strength metal material.

In the embodiment of the application, the reinforcing plates 226 are arranged on the top wall and the horizontal side wall, so that the overall structural strength of the adjusting box 221 can be ensured, and the adjusting box 221 is made of an aluminum alloy material with high strength, light weight and relatively low price, so that the balance between the structural strength and the cost can be realized.

Alternatively, as shown in fig. 4, the spool 222 is provided with two discs 227 along the axial direction thereof, and a hanging rope limiting space is formed between the two discs 227, and the hanging rope 223 is located in the limiting space.

In some embodiments, two discs 227 are coaxially fixed on the outer circumference of the spool 222, and the two discs 227 are disposed at intervals along the axial direction of the spool 222, and the space between the two discs 227 is configured as the hoist rope limit space.

In some embodiments, at least a portion of hoist rope 223 is wound on spool 222 within the hoist rope restraining space.

In some embodiments, as shown in fig. 7, a lower wall of the adjusting case 221 is provided with a hanging rope through hole 221a, the hanging rope through hole 221a being disposed opposite to the hanging rope limiting space in a height direction, wherein a free end of the hanging rope 223 passes downward through the hanging rope through hole 221a.

In the embodiment of the application, the position of the lifting rope 223 on the reel 222 is limited by arranging the two circular discs 227, so that the lifting rope 223 can be normally wound and unwound, and the stability of the structure is improved.

Optionally, the end of the spool 222 is provided with a turning handle 228.

In some embodiments, the turning handle 228 is located outside the adjustment box 221, and one end of the turning handle 228 is fixedly connected to one end of the spool 222 extending outside the adjustment box 221.

In some embodiments, the rotation handle 228 is operated to rotate the spool 222, so as to drive the lifting rope 223 on the spool 222 to wind and unwind, thereby realizing the length adjustment of the lifting rope 223 in the height direction.

In the embodiment of the application, the reel 222 is driven to be wound and unwound by arranging the rotating handle 228, so that the method is simple and labor-saving and convenient, wherein the embodiment of the application can realize unidirectional locking of the reel 222 by arranging the ratchet wheel 224 and the ratchet wheel 225, in the embodiment of the application, the ratchet wheels 225 and the ratchet wheels 224 are arranged at the two axial ends of the reel 222, so that the stress symmetry can be realized, the reel 222 can not rotate in the lifting process (namely, the reel 222 can not be unwound), and only one group of ratchet wheels 224 and ratchet wheels 225 are shown in the drawing of the embodiment of the application.

Optionally, as shown in fig. 8, a lifting ring 229 for connecting the laminated plates is provided on the free end of the lifting rope 223, the lifting ring 229 includes a lifting ring body 2291 and a lifting ring closing bolt 2292, and the lifting ring closing bolt 2292 is screwed on the lifting ring 229.

In some embodiments, the upper end of the sling body 2291 is fixedly connected to the free end of the sling 223, and the sling body 2291 is inverted U-shaped.

In some embodiments, threaded holes are provided on both horizontal sides of the eye body 2291, the eye-closure bolt 2292 is horizontally connected to both threaded holes, and the eye-closure bolt 2292 and the eye body 2291 are screwed together to form a closed eye 229.

In some embodiments, hoist ropes 223 connect prefabricated hoist holes in the superimposed sheet via hoist rings 229.

In other embodiments, a plurality of lifting rings 229 are provided in the height direction, and two lifting rings 229 adjacent in the height direction are connected by a pull rope or other connection structure. Only one sling 229 is illustrated in the present embodiment.

In the embodiment of the application, when the laminated plates are required to be connected, the lifting ring closing bolts 2292 penetrate through the prefabricated lifting holes on the laminated plates and are in threaded connection with the threaded holes on the lifting ring body 2291, so that quick assembly of lifting points can be realized, and under some working conditions, simultaneous lifting of a plurality of laminated plates can be realized through the lifting rings 229 arranged along the height direction, and the lifting efficiency is improved.

Optionally, in the two lifting mechanisms 2 of the main body structure, a laser calibrator (not shown) is disposed on the lifting ring body 2291 of one lifting mechanism 2, and a target (not shown) is disposed on the lifting ring body 2291 of the other lifting mechanism 2.

In some embodiments, two rings 229 opposite along a diagonal direction (i.e., an axial direction of the support shaft 1) are provided with a laser calibrator on one ring 229 (specifically, the ring body 2291), and a target is correspondingly provided on the other ring 229 (specifically, the ring body 2291) to emit laser calibration light (visible light).

In some embodiments, when the light of the laser aligner hits the target or the target's center of gravity, it is determined that the two diagonally oriented lifting rings 229 are at the same height, wherein the light emission direction of the laser aligner is horizontal.

In the embodiment of the application, the laser calibrator and the target are arranged to cooperate, so that a worker can conveniently reference the position of the laser calibrator on the target to adjust the positions of the lifting rings 229, the four lifting rings 229 can be ensured to be positioned at the same height position, the horizontal state of the laminated slab can be ensured after lifting, the problems of stress deformation damage and the like caused by overlarge stress of the positions of individual lifting points of the laminated slab are avoided, and the diagonal alignment principle adopted in the embodiment of the application is more accurate in judging the horizontal state of the laminated slab.

The embodiment of the application discloses a hoisting device for superimposed sheets, and as shown in fig. 1 to 8, one working mode of the hoisting device in the embodiment of the application is exemplified as follows:

According to the specification and the size of the superimposed sheet to be hoisted, adjusting a preset included angle theta between the two support shafts 1 and the position of the sliding block 211;

The outer lifting equipment lowers the two support shafts 1 above the laminated slab, connects the hanging ring 229 below the hanging rope 223 on the prefabricated hanging hole of the laminated slab (at the moment, if the hanging rope 223 is not long enough, the ratchet 225 can be adjusted to enable the reel 222 to rotate and unwind, then the ratchet 225 is shifted to return), and after the prefabricated hanging holes at the four corner positions of the laminated slab are connected, the outer lifting equipment integrally lifts the two support shafts 1 until a certain hanging rope 223 is in a tightening state;

When one shorter lifting rope 223 is in a tight state, the handle 228 is rotated by hand to retract the redundant parts of the other lifting ropes 223 on the scroll 222, so that the four lifting ropes 223 are in a tight state, in the process of winding the lifting ropes 223, the light point of the laser calibrator on the target is observed, and when the light point is aligned with the target center, the two lifting rings 229 on the diagonal line can be determined to be in the same height position;

After the four suspension ropes 223 are all adjusted to be in a tight state and all laser alignment is achieved, verifying whether each ratchet 225 is in a locking state, wherein the locking state is verified to ensure that the reel 222 cannot be in an unreeleable state (otherwise, the laminated slab has a risk of falling);

And then the whole structure is lifted to a designated position by external lifting equipment, and the lifting work is completed.

In the foregoing, only the specific embodiments of the present application are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present application is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present application, and they should be included in the scope of the present application.

Claims (9)

1. Hoist device of superimposed sheet, its characterized in that includes two major structures: the main body structure comprises a supporting shaft (1) and at least two hoisting mechanisms (2) arranged on the supporting shaft (1);

The two support shafts (1) of the main body structure are hinged with each other; the lifting mechanism (2) comprises a sliding assembly (21) and a horizontal adjusting assembly (22), the sliding assembly (21) comprises a sliding block (211) and a connecting fastener (212), the sliding block (211) is arranged on the supporting shaft (1) in a sliding manner along the length direction of the supporting shaft, and the supporting shaft (1) is provided with a plurality of first connecting holes (1 a) along the length direction of the supporting shaft; the connecting fastener (212) is arranged on the sliding block (211) and is used for being connected with the first connecting hole (1 a);

The horizontal adjusting assembly (22) comprises an adjusting box (221), a scroll (222), a lifting rope (223), a ratchet wheel (224) and a ratchet (225);

The adjusting box (221) is connected with the sliding block (211), the scroll (222) is rotatably arranged on the adjusting box (221), at least part of the lifting rope (223) is wound on the scroll (222), and the free end of the lifting rope (223) is used for connecting the laminated plates; the ratchet wheel (224) is coaxially fixed on the scroll (222), the ratchet wheel (225) is rotatably arranged on the adjusting box (221), the ratchet wheel (225) is in contact with the ratchet wheel (224), and the ratchet wheel (225) is used for limiting unidirectional rotation of the ratchet wheel (224).

2. Hoisting device for superimposed sheet according to claim 1, characterized in that a telescopic piece (3) is arranged between the supporting shafts (1) of the two main body structures, the two ends of the telescopic piece (3) are respectively connected with the supporting shafts (1) of the two main body structures, and the telescopic piece (3) is used for adjusting a preset included angle θ formed by the two supporting shafts (1).

3. Hoisting device for superimposed sheet according to claim 1, characterized in that the end of the supporting shaft (1) is provided with a limit part (11) for limiting the detachment of the slider (211) in the length direction of the supporting shaft.

4. Hoisting device for superimposed sheet according to claim 1, characterized in that both ends of the supporting shaft (1) are provided with second connecting holes (1 b), and that the external hoisting equipment is connected with the supporting shaft (1) through the second connecting holes (1 b).

5. Hoisting device for superimposed sheet according to claim 1, characterized in that a reinforcing plate (226) is arranged between the top wall and the horizontal side wall of the regulating box (221), and the regulating box (221) is made of aluminum alloy.

6. Hoisting device for superimposed sheet according to any one of claims 1-5, characterized in that the reel (222) is provided with two discs (227) in its axial direction, between which discs (227) a hoisting rope limit space is formed, in which the hoisting rope (223) is located.

7. Hoisting device for superimposed sheets according to claim 6, characterized in that the end of the reel (222) is provided with a turning handle (228).

8. Hoisting device for superimposed sheet according to any one of claims 1-5, characterized in that a hoisting ring (229) for connecting superimposed sheet is provided on the free end of the hoisting rope (223), said hoisting ring (229) comprising a hoisting ring body (2291) and a hoisting ring closing bolt (2292), said hoisting ring closing bolt (2292) being screwed onto said hoisting ring (229).

9. The superimposed sheet lifting device according to claim 8, wherein, of the two lifting mechanisms of the main body structure, a laser calibrator is arranged on the lifting ring body (2291) of one lifting mechanism (2), and a target is arranged on the lifting ring body (2291) of the other lifting mechanism (2).