Simple hanging tongs for hoisting I-shaped steel

By designing a simple lifting pliers including clamping plates and hoisting plates, the problem that steel structure beams cannot be effectively lifted and placed in the prior art is solved, and a fast and accurate lifting effect is achieved.

CN222809128UActive Publication Date: 2025-04-29SEDIN NINGBO ENG
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Patent Information

Application Number
CN202420644906.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-04-29
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

In the prior art, when the crane hook head is tied to the steel structure beam by a suspender or a wire rope, the distance between the end of the crane arm rod to the hook head, wire rope or strap is large, resulting in the steel structure beam being unable to be effectively lifted and placed.

Method used

A simple lifting pliers including two clamping plates and one hoisting plate are designed. The clamping plate is arranged in an L-shaped shape. The hoisting plate is equipped with a hoisting hole. The clamping plate and the hoisting plate are fixed into a whole through the locking assembly. The crane's hook passes through the hoisting hole to directly hook the I-shaped steel beam.

Benefits of technology

Through the design of simple lifting pliers, the lifting stroke is shortened, and the minimum lifting distance is achieved, so that the steel structure beam can be quickly lifted to the welded position, solving the problem that the steel structure beam cannot be effectively lifted and positioned in the prior art.

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Abstract

The utility model discloses a simple lifting clamp for lifting I-shaped steel, and aims to solve the problems that a hook head of a crane is lifted by binding a steel structure beam through a lifting belt or a steel wire rope, a certain distance is formed from the end part of an arm rod of the crane to the middle of the steel structure beam (the hook head, the steel wire rope or the lifting belt), and the stroke is relatively large in the prior art. The distance between the hoisting position of the steel structural beam and the upper part is short, and the steel structural beam cannot be hoisted in place. The simple hanging clamp comprises two clamping plates, the clamping plates are arranged in an L shape, inserting grooves for containing a steel beam are formed in the clamping plates, a hoisting plate is arranged between the two clamping plates in an inserted mode, and a hoisting hole for a hoisting hook of a crane to penetrate through is formed in the upper end of the hoisting plate. Therefore, the lifting hook clamps the steel structure beam through the lifting clamp and lifts the steel structure beam to the welding position of the steel beam, so that a lifted object can be quickly lifted in place.
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Description

Technical Field

[0001] The utility model belongs to the technical field of lifting clamps, and in particular relates to a simple lifting clamp for lifting I-shaped steel. Background Art

[0002] In the construction of chemical plants, steel structure beams are installed in the frame of the plant. The top beam is close to a floor slab. The crane hook is hoisted by binding the steel structure beam with a sling or wire rope. There is a certain distance from the end of the crane boom to the middle of the steel structure beam (hook, wire rope or sling) and the stroke is relatively large (the distance between the crane hook + sling or wire rope + hoisting object is large). The position where the steel structure beam is hoisted is short from the top, and the steel structure beam cannot be hoisted into place. Therefore, a new type of simple lifting clamp for hoisting I-beams is designed to change the above technical defects. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a simple lifting clamp for lifting I-beams. The simple lifting clamp aims to solve the technical problem that in the prior art, the crane hook is used to lift the steel structure beam by binding it with a sling or a wire rope, there is a certain distance from the end of the crane arm to the middle of the steel structure beam (hook head, wire rope or sling) and the stroke is relatively large, the position where the steel structure beam is lifted into place is short from the top, and the steel structure beam cannot be lifted into place.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the utility model provides a simple lifting clamp for lifting I-beams, which comprises two clamping plates, which are arranged in an L shape and have plug-in grooves for accommodating steel beams, a lifting plate is inserted between the two clamping plates, and a lifting hole for a crane hook to pass through is provided at the upper end of the lifting plate, and the lifting plate is fixed between the two clamping plates by a locking assembly.

[0007] Preferably, the locking assembly includes a circular mounting hole formed on the clamping plate and the hanging plate, a locking bolt passing through the circular mounting hole, and a nut threadedly connected to the locking bolt.

[0008] Furthermore, there are at least two circular mounting holes on the clamping plate.

[0009] Furthermore, the locking assembly includes a strip groove opened on the clamping plate and a circular mounting hole on the lifting plate, the inner walls on both sides of the strip groove are rotatably connected with a threaded rod, a moving block is slidably connected to the threaded rod, and two limit nuts for fixing the position of the moving block are threadedly connected to the threaded rod.

[0010] Furthermore, a connecting block is fixedly connected to the top of the moving block, and a mounting hole having the same diameter as the circular mounting hole is opened in the middle of the connecting block.

[0011] Furthermore, the locking assembly also includes a locking bolt passing through the mounting hole provided in the connecting block and the circular mounting hole provided in the hanging plate, and a nut threadedly connected to the locking bolt.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can fix the two clamping plates and the lifting plate as a whole to form a simple lifting clamp through the cooperation of the locking bolts and nuts, and then the crane hook can lift the I-shaped steel beam through the lifting hole opened in the lifting plate. Therefore, the utility model directly hooks the lifting clamp with the lifting hook, shortens the lifting stroke and achieves the minimum lifting distance. In this way, the lifting hook clamps the steel structure beam through the lifting clamp and lifts it to the welding position of the steel beam, so that the lifting object can be quickly lifted into place. When the welding of the two ends of the steel structure beam is completed, the lifting clamp is removed and the lifting operation is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the first embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the first embodiment of the utility model;

[0017] Figure 3 It is a side view structural schematic diagram of the first embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the main structure of the second embodiment of the utility model;

[0019] Figure 5 For the utility model Figure 4 A magnified schematic diagram of the structure at center A;

[0020] Figure 6 This is a schematic diagram of the front structure of the hanging plate of the second embodiment of the utility model.

[0021] The markings in the attached drawings are: 1. Clamping plate; 2. Lifting plate; 3. Locking assembly; 11. Plug-in slot; 21. Lifting hole; 31. Circular mounting hole; 32. Locking bolt; 33. Nut; 34. Strip groove; 35. Threaded rod; 36. Moving block; 37. Connecting block; 38. Limit nut. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Example 1

[0024] This specific implementation is a simple lifting clamp for lifting I-shaped steel, and its structural schematic diagram is as follows: Figure 1-Figure 3 As shown, the simple lifting clamp includes two clamping plates 1, which are arranged in an L shape and have a plug-in groove 11 for accommodating a steel beam. A lifting plate 2 is inserted between the two clamping plates 1, and a lifting hole 21 for a crane hook to pass through is provided at the upper end of the lifting plate 2. The lifting plate 2 is fixed between the two clamping plates 1 by a locking assembly 3.

[0025] The locking assembly 3 includes a circular mounting hole 31 formed on the clamping plate 1 and the hanging plate 2, a locking bolt 32 passing through the circular mounting hole 31, and a nut 33 threadedly connected to the locking bolt 32;

[0026] Align the plug-in slots 11 opened on the two clamping plates 1 with the two sides of the I-shaped steel beam, and make the clamping plates 1 inserted on the I-shaped steel beam through the plug-in slots 11, and the two clamping plates 1 are staggered front and back, and then place the hanging plate 2 between the two clamping plates 1, and then successively pass the locking bolts 32 through the circular mounting hole 31 opened on the first clamping plate 1, the circular mounting hole 31 opened on the hanging plate 2 and the circular mounting hole 31 opened on the other clamping plate 1, and make the two ends of the locking bolts 32 extend to the outside of the two clamping plates 1 respectively, and then tighten the two nuts 33 at the two ends of the locking bolts 32 respectively, at this time, with the cooperation of the locking bolts 32 and the nuts 33, the two clamping plates 1 and the hanging plate 2 can be fixed as a whole, and then the crane hook can pass through the hanging hole 21 opened on the hanging plate 2 to lift the I-shaped steel beam.

[0027] Furthermore, in order to be able to lift different I-beams, at least two circular mounting holes 31 are opened on the clamping plate 1, so that the position between the two clamping plates 1 can be adjusted, thereby adjusting the spacing between the plug-in slots 11 on the two clamping plates 1, so that it can be suitable for I-beams of different widths.

[0028] Example 2

[0029] This specific implementation is a simple lifting clamp for lifting I-shaped steel, and its structural schematic diagram is as follows: Figure 4-Figure 6 As shown, the simple lifting clamp includes two clamping plates 1, which are arranged in an L shape and have a plug-in groove 11 for accommodating a steel beam. A lifting plate 2 is inserted between the two clamping plates 1, and a lifting hole 21 for a crane hook to pass through is provided at the upper end of the lifting plate 2. The lifting plate 2 is fixed between the two clamping plates 1 by a locking assembly 3.

[0030] The locking assembly 3 includes a strip groove 34 opened on the clamping plate 1 and a circular mounting hole 31 on the hanging plate 2. The inner walls on both sides of the strip groove 34 are rotatably connected with threaded rods 35, and a moving block 36 is slidably connected to the threaded rod 35. A through hole with a diameter larger than that of the threaded rod 35 is opened in the middle of the moving block 36, which can facilitate the movement of the moving block 36. The bottom of the moving block 36 is slidably connected to the inner bottom wall of the strip groove 34.

[0031] Two limiting nuts 38 for fixing the position of the moving block 36 are threadedly connected to the threaded rod 35 , and the two limiting nuts 38 are respectively arranged on both sides of the moving block 36 .

[0032] The top of the moving block 36 is fixedly connected with a connecting block 37 , the top of the connecting block 37 is slidably connected with the inner top wall of the strip groove 34 , and a mounting hole with the same diameter as the circular mounting hole 31 is opened in the middle of the connecting block 37 .

[0033] The locking assembly 3 further includes a locking bolt 32 passing through the mounting hole formed in the connecting block 37 and the circular mounting hole 31 formed in the hanging plate 2 , and a nut 33 threadedly connected to the locking bolt 32 .

[0034] First, place the two clamping plates 1 on both sides of the I-shaped steel beam, and make the clamping plates 1 inserted on the I-shaped steel beam through the plug-in slots 11, and the two clamping plates 1 are staggered front and back, then place the hanging plate 2 between the two clamping plates 1, and then slide the moving block 36 on the threaded rod 35, and the moving block 36 drives the connecting block 37 to move, and the two staggered moving blocks 36 respectively drive the mounting holes opened in the connecting block 37 to move to the corresponding positions of the circular mounting holes 31 opened in the hanging plate 2, and then pass the locking bolts 32 through the mounting holes opened in the first connecting block 37, the circular mounting holes 31 opened in the hanging plate 2, and the mounting holes opened in the other connecting block 37 in sequence, and make the locking bolts 32 pass ... circular mounting holes 31 opened in the hanging plate 2, and make the locking bolts 32 pass through the circular mounting holes 31 opened in the hanging plate 2, and make the locking bolts 32 pass through the circular mounting holes 31 opened in the hanging plate 2, and make the locking bolts 32 pass through the circular mounting holes 31 opened in the hanging plate 2, and make the locking bolts 32 pass through the circular mounting holes 31 opened in the hanging plate 2, The two ends of the tightening bolt 32 extend to the outside of the two connecting blocks 37 respectively, and then the two nuts 33 are tightened at the two ends of the locking bolt 32 respectively, and when the moving block 36 moves to the position corresponding to the circular mounting hole 31, the two limiting nuts 38 on the threaded rod 35 are tightened to the two sides of the moving block 36 respectively, so that the position of the moving block 36 can be limited and fixed. At this time, under the cooperation of the locking bolt 32 and the nut 33 and the limiting nut 38, the two connecting blocks 37 can be fixed as a whole, so that the two clamping plates 1 and the hanging plate 2 can be fixed as a whole, and then the crane hook can pass through the hanging hole 21 opened in the hanging plate 2 to lift the I-shaped steel beam;

[0035] Since the moving block 36 can drive the connecting block 37 to slide inside the strip groove 34, the position between the two clamping plates 1 can be adjusted, so that it can be suitable for I-shaped steel beams of different widths.

[0036] All technical features in this embodiment can be freely combined according to actual needs.

[0037] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A simple lifting clamp for lifting I-shaped steel, characterized by: The simple lifting clamp comprises two clamping plates (1), the clamping plates (1) are arranged in an L shape, and a plug-in groove (11) for accommodating a steel beam is provided on the clamping plates (1), a lifting plate (2) is inserted between the two clamping plates (1), a lifting hole (21) for a crane hook to pass through is provided at the upper end of the lifting plate (2), and the lifting plate (2) is fixed between the two clamping plates (1) by a locking assembly (3).

2. The simple lifting clamp for lifting I-beam according to claim 1, characterized in that: The locking assembly (3) comprises a circular mounting hole (31) formed on the clamping plate (1) and the hanging plate (2), a locking bolt (32) passing through the circular mounting hole (31), and a nut (33) threadedly connected to the locking bolt (32).

3. The simple lifting clamp for lifting I-beam according to claim 2, characterized in that: At least two circular mounting holes (31) are provided on the clamping plate (1).

4. The simple lifting clamp for lifting I-beam according to claim 1, characterized in that: The locking assembly (3) comprises a strip groove (34) formed on the clamping plate (1) and a circular mounting hole (31) on the hanging plate (2); the inner walls on both sides of the strip groove (34) are rotatably connected to threaded rods (35); a moving block (36) is slidably connected to the threaded rod (35); and two limit nuts (38) for fixing the position of the moving block (36) are threadedly connected to the threaded rod (35).

5. The simple lifting clamp for lifting I-shaped steel according to claim 4, characterized in that: The top of the moving block (36) is fixedly connected to a connecting block (37), and a mounting hole having the same diameter as the circular mounting hole (31) is opened in the middle of the connecting block (37).

6. The simple lifting clamp for lifting I-shaped steel according to claim 5, characterized in that: The locking assembly (3) also includes a locking bolt (32) passing through a mounting hole provided in the connecting block (37) and a circular mounting hole (31) provided in the hanging plate (2), and a nut (33) threadedly connected to the locking bolt (32).