Protective device for crane construction

By using protective devices on the crane and fixing the cement board with straps and hooks, the safety hazards of cement board sliding during crane construction are solved, and the stability and safety of cement boards during the hoisting process are achieved.

CN222794952UActive Publication Date: 2025-04-25SHAOXING SHANGYU QIANGHUA CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202421879132.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-04-25
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

When lifting cement boards, existing cranes cannot ensure the balance of the cement boards, which can easily cause the cement board to slide, posing safety hazards.

Method used

A protective device for crane construction is designed, and the cement board is initially fixed by tightening the straps and tightening it, and then the two ends of the cement board are hooked and tightened to further fix it to ensure that the cement board does not slide down during lifting.

Benefits of technology

It effectively prevents cement boards from sliding down during lifting, improves safety, and solves the problem of unstable cement boards during crane construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective device for crane construction, which relates to the technical field of protective devices, is applied to a crane body and comprises a hanging ring, two symmetrical first steel ropes are fixedly arranged at the bottom end of the hanging ring, a U-shaped frame is fixedly arranged at one end, away from the hanging ring, of each first steel rope, and a fixing seat is fixedly arranged at one end, away from the first steel ropes, of each U-shaped frame. The lower end of the side face of the fixing base is fixedly provided with a bandage, the free end of the bandage is wound and penetrates into the fixing base, the upper end of the fixing base is provided with an inserting rod, the inserting rod is sleeved with a spring, the side face of the fixing base is rotatably provided with a rotating shaft, the outer side of the middle of the rotating shaft is fixedly provided with a winding wheel, a second steel rope is wound in the winding wheel, and the free end of the second steel rope is fixedly provided with a hook. A connecting plate is fixedly arranged at one end of the rotating shaft and is provided with a bolt; the cement board is preliminarily fixed through winding and tightening of the binding bands, the two ends of the cement board are hooked and tightened through the hooks to be further fixed, it is guaranteed that the cement board cannot slide off during hoisting, and the effective protection effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a protective device for crane construction. Background Art

[0002] A crane refers to a multi-action lifting machinery that can vertically lift and horizontally move heavy objects within a certain range, and its development and use in the market are becoming more and more extensive.

[0003] When lifting cement slabs, the existing crane first sets rope loops on both ends of the cement slabs and then lifts them. However, the rope loops are set directly by workers, which cannot ensure the balance of the cement slabs during lifting, and easily cause the cement slabs to slide horizontally to one side, posing certain safety hazards.

[0004] In view of the above problems, the utility model provides a protective device for crane construction. Utility Model Content

[0005] The purpose of the utility model is to provide a protective device for crane construction, which initially fixes the cement board by winding and tightening the binding belt, and then further fixes the cement board by hooking and tightening the two ends of the cement board, ensuring that the cement board will not slip during hoisting, playing an effective protective role, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for crane construction, applied to the crane body, including a hanging ring, two symmetrical first steel ropes are fixedly provided at the bottom end of the hanging ring, a U-shaped frame is fixedly provided at one end of the first steel rope away from the hanging ring, a fixed seat is fixedly provided at one end of the U-shaped frame away from the first steel rope, a binding belt is fixedly provided at the lower end of the side of the fixed seat, the free end of the binding belt is wound around and passed through the inside of the fixed seat, an insertion rod is provided at the upper end of the fixed seat, a spring is sleeved on the outside of the insertion rod, a rotating shaft is rotatably provided on the side of the fixed seat, a winding wheel is fixedly provided on the outside of the middle part of the rotating shaft, a second steel rope is wound inside the winding wheel, a hook is fixedly provided at the free end of the second steel rope, a connecting plate is fixedly provided at one end of the rotating shaft, and a bolt is provided on the connecting plate.

[0007] Furthermore, a rectangular hole is provided inside the fixing seat, and an insertion hole is provided in the middle of the fixing seat, which is connected to the rectangular hole. The strap is passed through the inner side of the rectangular hole, and a number of evenly distributed circular holes are provided on the free end of the strap. A fixing ring is fixed inside the circular hole, and an insertion rod is slidingly connected to the inner side of the insertion hole. A handle is fixed at the upper end of the insertion rod, and a spring is tightly connected between the lower end of the handle and the upper end of the fixing seat, and the spring drives the lower end of the insertion rod to pass through the inner side of the fixing ring.

[0008] Furthermore, two symmetrical side plates are fixed on the side of the fixed seat, the outer sides of both ends of the rotating shaft are rotatably connected to the inside of the side plates through bearings, the bolts are threadedly connected to the inside of the connecting plates, and a number of evenly distributed positioning holes are opened on the outer sides of the side plates, and the bolts are threadedly connected to the inner sides of the positioning holes.

[0009] Furthermore, the contact surface between the binding belt and the cement board has a certain degree of roughness.

[0010] Furthermore, the insertion rod does not interfere with the inner side of the U-shaped frame when it moves.

[0011] Furthermore, the outer side of the handle is processed with anti-slip patterns.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a protective device for crane construction. When the cement board needs to be hoisted, first hang the hanging ring on the hook part of the crane body, then place the fixing seats on both sides at symmetrical positions on both sides of the upper end of the cement board, then manually move the plug rods on both sides upward to make the lower ends of the plug rods leave the inside of the fixing seats, at this time the spring is stretched, then the free end of the binding is wound through the bottom of the cement board and back through the inside of the fixing seat, then loosen the plug rod, and insert the lower end of the plug rod into the inside of the binding under the pull of the spring, at this time the cement board is initially fixed, then manually hook the hooks on both sides at the edges of the two ends of the cement board, then rotate the connecting plates on both sides to drive the rotating shaft to rotate, and then drive the winding wheel to rotate, tighten the second steel rope, so that the hook is in a hooked state, and fix the connecting plate by bolts, at this time the cement board is further fixed, and then the hoisting work can be carried out. The purpose of this design is to initially fix the cement board by winding and tightening the binding, and then further fix it by hooking and tightening the two ends of the cement board by hooking and tightening, so as to ensure that the cement board will not slip during hoisting, and play an effective protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the external structure of the fixing seat in the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the fixing seat in the utility model;

[0017] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged view of point B in the middle.

[0019] In the figure: 1. crane body; 2. hanging ring; 3. first steel rope; 4. U-shaped frame; 5. fixing seat; 6. rectangular hole; 7. binding strap; 8. round hole; 9. fixing ring; 10. plug hole; 11. plug rod; 12. handle; 13. spring; 14. side plate; 15. reel; 16. second steel rope; 17. hook; 18. rotating shaft; 19. connecting plate; 20. bolt; 21. positioning hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the problem of how to effectively protect technology, such as Figure 1-5 As shown, the following preferred technical solutions are provided:

[0022] A protective device for crane construction is applied to a crane body 1, including a hanging ring 2, two symmetrical first steel ropes 3 are fixedly arranged at the bottom end of the hanging ring 2, a U-shaped frame 4 is fixedly arranged at one end of the first steel rope 3 away from the hanging ring 2, a fixed seat 5 is fixedly arranged at one end of the U-shaped frame 4 away from the first steel rope 3, a binding belt 7 is fixedly arranged at the lower end of the side of the fixed seat 5, the free end of the binding belt 7 is wound around and passed through the inside of the fixed seat 5, an insertion rod 11 is arranged at the upper end of the fixed seat 5, a spring 13 is sleeved on the outside of the insertion rod 11, a rotating shaft 18 is rotatably arranged on the side of the fixed seat 5, a winding wheel 15 is fixedly arranged on the outside of the middle part of the rotating shaft 18, a second steel rope 16 is wound inside the winding wheel 15, a hook 17 is fixedly arranged at the free end of the second steel rope 16, a connecting plate 19 is fixedly arranged at one end of the rotating shaft 18, and a bolt 20 is arranged on the connecting plate 19.

[0023] Specifically, when it is necessary to hoist the cement board, first hang the hanging ring 2 on the hook part of the crane body 1, and then place the fixing seats 5 on both sides in symmetrical positions on both sides of the upper end of the cement board, and then manually move the insertion rods 11 on both sides upwards so that the lower ends of the insertion rods 11 leave the inside of the fixing seats 5. At this time, the springs 13 are stretched, and then the free ends of the straps 7 are wound around and passed through the bottom of the cement board and back through the inside of the fixing seats 5, and then the insertion rods 11 are loosened, and the lower ends of the lower insertion rods 11 are inserted into the inside of the straps 7 when the spring 13 pulls them. At this time, the cement board is initially fixed, and then the hooks 17 on both sides are manually hooked to the edges of both ends of the cement board, and then the connecting plates 19 on both sides are rotated to drive the rotating shaft 18 to rotate, and then drive the winding wheel 15 to rotate, tighten the second steel rope 16, so that the hooks 17 are in a hooked state, and the connecting plates 19 are fixed by bolts 20. At this time, the cement board is further fixed, and then the hoisting work can be carried out. The purpose of such design is to preliminarily fix the cement board by winding and tightening the binding belt 7, and then further fix the cement board by hooking and tightening the two ends of the cement board by hooking 17, so as to ensure that the cement board will not slip during hoisting, thereby playing an effective protective role.

[0024] Further, such as Figure 1-5 As shown, the following preferred technical solutions are provided:

[0025] A rectangular hole 6 is provided inside the fixing seat 5, and an insertion hole 10 is provided in the middle of the fixing seat 5, the insertion hole 10 is communicated with the rectangular hole 6, the strap 7 is passed through the inner side of the rectangular hole 6, and a plurality of evenly distributed circular holes 8 are provided on the free end of the strap 7, a fixing ring 9 is fixedly provided inside the circular hole 8, an insertion rod 11 is slidingly connected to the inner side of the insertion hole 10, a handle 12 is fixedly provided at the upper end of the insertion rod 11, a spring 13 is tightly connected between the lower end of the handle 12 and the upper end of the fixing seat 5, and the spring 13 drives the lower end of the insertion rod 11 to pass through the inner side of the fixing ring 9. The purpose of such a design is to drive the lower end of the insertion rod 11 to be inserted into the inner side of the fixing ring 9 by the spring 13 to fix the free end of the strap 7.

[0026] Further, such as Figure 2 and Figure 4 As shown, the following preferred technical solutions are provided:

[0027] Two symmetrical side plates 14 are fixed to the side of the fixing seat 5. The outer sides of both ends of the rotating shaft 18 are rotatably connected to the inside of the side plates 14 through bearings. The bolts 20 are threadedly connected to the inside of the connecting plate 19. A number of evenly distributed positioning holes 21 are opened on the outer side of the side plate 14. The bolts 20 are threadedly connected to the inner sides of the positioning holes 21. The purpose of this design is to ensure that the winding wheel 15 can rotate, and the winding wheel 15 is fixed by connecting the bolts 20 with the positioning holes 21.

[0028] Further, such as Figure 2 As shown, the following preferred technical solutions are provided:

[0029] The contact surface between the binding belt 7 and the cement board has a certain degree of roughness. The purpose of this design is to increase the friction of the binding belt 7, thereby improving the supporting stability of the cement board, and at the same time having anti-slip properties.

[0030] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0031] The insertion rod 11 does not interfere with the inner side of the U-shaped frame 4 when it moves. The purpose of this design is to ensure the rationality of the structure.

[0032] Further, such as Figure 5 As shown, the following preferred technical solutions are provided:

[0033] The outer side of the handle 12 is processed with anti-slip grooves, and the purpose of such design is to facilitate the movement of the insertion rod 11 through the handle 12.

[0034] To sum up: when it is necessary to hoist the cement board, first hang the hanging ring 2 on the hook part of the crane body 1, and then place the fixing seats 5 on both sides in symmetrical positions on both sides of the upper end of the cement board, and then manually move the insertion rods 11 on both sides upward so that the lower ends of the insertion rods 11 leave the inside of the fixing seats 5. At this time, the springs 13 are stretched, and then the free ends of the binding straps 7 are wound around and passed through the bottom of the cement board and back through the inside of the fixing seats 5, and then the insertion rods 11 are loosened, and the lower ends of the lower insertion rods 11 are inserted into the inside of the binding straps 7 when the spring 13 pulls them. At this time, the cement board is initially fixed, and then the hooks 17 on both sides are manually hooked on the edges of both ends of the cement board, and then the connecting plates 19 on both sides are rotated to drive the rotating shaft 18 to rotate, and then drive the winding wheel 15 to rotate, tighten the second steel rope 16, so that the hooks 17 are in a hooked state, and the connecting plates 19 are fixed by bolts 20. At this time, the cement board is further fixed, and then the hoisting work can be carried out. The purpose of such design is to preliminarily fix the cement board by winding and tightening the binding belt 7, and then further fix the cement board by hooking and tightening the two ends of the cement board by hooking 17, so as to ensure that the cement board will not slip during hoisting, thereby playing an effective protective role.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for crane construction, applied to a crane body (1), characterized in that: The invention comprises a hanging ring (2), wherein two mutually symmetrical first steel ropes (3) are fixedly arranged at the bottom end of the hanging ring (2), a U-shaped frame (4) is fixedly arranged at one end of the first steel rope (3) away from the hanging ring (2), a fixed seat (5) is fixedly arranged at one end of the U-shaped frame (4) away from the first steel rope (3), a binding belt (7) is fixedly arranged at the lower end of the side of the fixed seat (5), the free end of the binding belt (7) is wound and inserted into the inside of the fixed seat (5), an insertion rod (11) is arranged at the upper end of the fixed seat (5), a spring (13) is sleeved on the outer side of the insertion rod (11), a rotating shaft (18) is rotatably arranged on the side of the fixed seat (5), a winding wheel (15) is fixedly arranged on the outer side of the middle part of the rotating shaft (18), a second steel rope (16) is wound inside the winding wheel (15), a hook (17) is fixedly arranged at the free end of the second steel rope (16), a connecting plate (19) is fixedly arranged at one end of the rotating shaft (18), and a bolt (20) is arranged on the connecting plate (19).

2. A protective device for crane construction according to claim 1, characterized in that: A rectangular hole (6) is provided inside the fixing seat (5), an insertion hole (10) is provided in the middle of the fixing seat (5), the insertion hole (10) is communicated with the rectangular hole (6), a binding belt (7) is passed through the inner side of the rectangular hole (6), a plurality of evenly distributed circular holes (8) are provided on the free end of the binding belt (7), a fixing ring (9) is fixed inside the circular hole (8), an insertion rod (11) is slidably connected to the inner side of the insertion hole (10), a handle (12) is fixed at the upper end of the insertion rod (11), a spring (13) is tightly connected between the lower end of the handle (12) and the upper end of the fixing seat (5), and the spring (13) drives the lower end of the insertion rod (11) to pass through the inner side of the fixing ring (9).

3. A protective device for crane construction according to claim 1, characterized in that: Two symmetrical side plates (14) are fixedly arranged on the side of the fixing seat (5); the outer sides of both ends of the rotating shaft (18) are rotatably connected to the inside of the side plates (14) through bearings; the bolts (20) are threadedly connected to the inside of the connecting plate (19); a plurality of evenly distributed positioning holes (21) are opened on the outside of the side plates (14); the bolts (20) are threadedly connected to the inside of the positioning holes (21).

4. A protective device for crane construction according to claim 1, characterized in that: The contact surface between the binding belt (7) and the cement board has a certain degree of roughness.

5. The protective device for crane construction according to claim 1, characterized in that: When the insertion rod (11) moves, it does not interfere with the inner side of the U-shaped frame (4).

6. A protective device for crane construction according to claim 2, characterized in that: The outer side of the handle (12) is processed with anti-slip patterns.