Power construction cable traction anti-unhooking device

By optimizing the structure of the cable traction hook and the real-time monitoring system, the connection instability problem of existing cable traction devices under high-frequency use and impact loads has been solved, thereby improving the safety and construction efficiency of cable traction.

CN224537690UActive Publication Date: 2026-07-21SICHUAN NO 2 ELECTRIC POWER CONSTR CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN NO 2 ELECTRIC POWER CONSTR CO
Filing Date
2025-08-27
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing anti-detachment structure of cable traction hooks is not stable enough under long-term high-frequency use or when subjected to instantaneous impact loads, and is prone to loosening and detachment, leading to cable slippage accidents. In addition, the existing device has a complex structure and is cumbersome to operate, which affects construction efficiency.

Method used

A cable traction anti-disengagement device was designed, comprising a hook, an anti-disengagement hook, a fixing groove, and a fixing mechanism. Through a combination structure of a rotating plate, a triangular block, a reverse tooth, and a return spring, the anti-disengagement hook is stably engaged. It is equipped with a tension sensor and an audible and visual alarm for real-time monitoring and early warning, simplifying the operation process.

Benefits of technology

It improves connection stability during cable traction, reduces the risk of cable slippage, simplifies installation and disassembly, and enhances construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of power construction cable body traction anti-unhooking device, it is related to power construction technical field, including hook and cable body, the hook is connected with traction rope, the other end of the traction rope is connected with traction machine, the anti-unhooking crook is slidably connected on the hook, and fixed groove is set up on the hook, the other end of the anti-unhooking crook is engaged in fixed groove, the fixed mechanism for fixing anti-unhooking crook is equipped on the hook, the traction head is installed in cable body one end, the traction head is equipped with traction net cover, the traction net cover is set on cable body. The utility model is through the connection structure and fixed mechanism of optimization anti-unhooking crook and hook main part, effectively promote the stability of anti-unhooking performance, while guaranteeing the stability of anti-unhooking performance, simplify the structure of fixed assembly, make operation more convenient, can save a lot of construction time, improve construction efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of power construction technology, specifically to a power construction cable traction anti-disengagement device. Background Technology

[0002] In power engineering construction, cable laying is a crucial link in ensuring the safe and stable operation of the power system. Cable traction, as the core procedure in the laying process, directly affects the construction progress and equipment lifespan due to its safety and efficiency. With the upgrading and transformation of urban power grids and the advancement of new energy projects, the application of large-section, long-distance cables is becoming increasingly widespread, significantly increasing the traction force required during the traction process and placing higher demands on the connection reliability of traction equipment.

[0003] However, existing anti-derailment structures for hooks have significant limitations: traditional hooks often employ a single mechanical snap-fit ​​or simple locking pin design, resulting in insufficient stability in the connection between the anti-derailment hook and the hook body. Under long-term, high-frequency use or when subjected to instantaneous impact loads, problems such as snap-fit ​​loosening and locking pin displacement can easily occur, causing the anti-derailment hook to detach from the fixing groove and triggering cable slippage accidents. Furthermore, the fixing components of some anti-derailment devices have complex structures and are cumbersome to operate, requiring considerable time for installation and disassembly, thus affecting construction efficiency. Therefore, those skilled in the art provide a cable traction anti-derailment hook device for power construction to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to provide a cable traction anti-disengagement device for power construction, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A power construction cable traction anti-derailment device includes: a hook, one end of which has a sliding groove and the other end has a fixed groove, the sliding groove and the fixed groove are not connected, the hook is connected to a traction rope, the other end of the traction rope is connected to a traction machine, an anti-derailment hook is slidably connected in the sliding groove, the other end of the anti-derailment hook is engaged in the fixed groove, and the hook is provided with a fixing mechanism for fixing the anti-derailment hook; a cable body, one end of which is equipped with a traction head, the traction head is provided with a traction net sleeve, the traction net sleeve is fixedly connected to the end of the cable body, and the traction head is connected to the hook.

[0007] More preferably, the hook has a rotating groove, and the fixing mechanism includes a rotating plate, a rotating rod, a triangular block, a reverse tooth, a rotating handle, and a locking assembly. The rotating plate is rotatably connected to the rotating groove through the rotating rod, the rotating rod passes through the rotating groove and is connected to the rotating handle, the end of the rotating plate is provided with a triangular block, and the outer side of the anti-detachment hook is provided with a reverse tooth, and the triangular block is locked with the reverse tooth.

[0008] Preferably, the engaging assembly includes a return spring and an engaging block. The rotating plate has an installation groove, the return spring is installed in the installation groove, and one end of the return spring is connected to the engaging block. A through hole is provided on one side of the installation groove, and an engaging groove corresponding to the through hole is provided on the hook. The engaging block passes through the through hole and engages in the engaging groove.

[0009] Preferably, a tension sensor is installed at the bottom of the hook, and a connecting block is provided on the other side of the tension sensor, the connecting block being connected to the traction rope.

[0010] Preferably, the traction machine is equipped with an audible and visual alarm, which is electrically connected to the traction machine and the tension sensor.

[0011] Preferably, the hook has a rubber layer on its inner side, and the rubber layer is in contact with the traction head.

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

[0013] This invention effectively improves the stability of anti-derailment performance by optimizing the connection structure and fixing mechanism between the anti-derailment hook and the hook body. Compared to traditional single mechanical buckles or simple locking pin designs, its fixing mechanism can more tightly engage the anti-derailment hook in the fixing groove. Under long-term high-frequency use or under instantaneous impact loads, it can significantly reduce the occurrence of problems such as buckle loosening and locking pin displacement, reducing the risk of the anti-derailment hook detaching from the fixing groove, thereby greatly reducing the probability of cable slippage accidents and ensuring the safety of traction operations. While ensuring stable anti-derailment performance, the structure of the fixing components is simplified, making operation more convenient. Compared with some existing anti-derailment devices that are complex in structure and cumbersome in operation, the installation and disassembly process of this device is simpler, saving a lot of construction time and improving construction efficiency. Attached Figure Description

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

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the hook of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the hook of the utility model;

[0017] Figure 4 This is a schematic diagram of the exploded structure of a utility model.

[0018] Components and their numbers shown in the picture:

[0019] 1. Traction machine; 2. Traction rope; 3. Hook; 4. Anti-detachment hook; 5. Fixing groove; 6. Cable body; 7. Traction head; 8. Traction net sleeve; 9. Tension sensor; 10. Connecting block; 11. Audible and visual alarm; 12. Sliding groove; 13. Rotating plate; 14. Rotating rod; 15. Triangular block; 16. Reverse tooth; 17. Rotating handle; 18. Rotating groove; 19. Return spring; 20. Engaging block; 21. Mounting groove; 22. Through hole; 23. Engaging groove; 24. Rubber layer. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] This utility model provides, for example Figure 1-4 The power construction cable traction anti-derailment device shown includes: a hook 3, which is connected to a traction rope 2. The other end of the traction rope 2 is connected to a traction machine 1. A tension sensor 9 is installed on the hook 3. A connecting block 10 is provided on the other side of the tension sensor 9. The connecting block 10 is connected to the traction rope 2. An audible and visual alarm 11 is installed on the traction machine 1. The audible and visual alarm 11 is electrically connected to the traction machine 1 and the tension sensor 9. An anti-derailment hook 4 is slidably connected on the hook 3. A sliding groove 12 is provided on the hook 3. The anti-derailment hook 4 is slidably connected in the sliding groove 12. A fixing groove 5 is provided on the hook 3. The other end of the anti-derailment hook 4 is engaged in the fixing groove 5. The sliding groove 12 and the fixing groove 5 are not connected. A fixing mechanism for fixing the anti-derailment hook 4 is provided on the hook 3.

[0022] When connecting the hook 3 to the traction head 7, push the anti-detachment hook 4 along the sliding groove 12 to open the hook 3, put the traction head 7 inside, slide the anti-detachment hook 4 to make it lock into the fixing groove 5, and the connection is initially completed. This is the basic application of the mechanical connection and fixing principle, which can initially prevent the traction head 7 from falling off.

[0023] After connection and fixation, traction operation begins: The traction machine 1 is started, and the traction force is transmitted to the hook 3 via the traction rope 2, connecting block 10, and tension sensor 9, driving the cable body 6 to move, following the principle of force transmission and monitoring. During traction, the tension sensor 9 monitors in real time and transmits data to the integrated control box of the traction machine 1. If the traction force exceeds the limit, the audible and visual alarm 11 sounds, and the integrated control box controls the traction machine 1 to potentially slow down or stop, achieving safety early warning and compensating for the lack of real-time monitoring in traditional devices, meeting the safety requirements of modern construction.

[0024] Specifically, the fixing mechanism includes a rotating plate 13, a rotating rod 14, a triangular block 15, a reverse tooth 16, a rotating handle 17, and a locking assembly. The rotating plate 13 is rotatably connected to the rotating groove 18 via the rotating rod 14. The rotating rod 14 passes through the rotating groove 18 and is connected to the rotating handle 17. The rotating plate 13 has a triangular block 15 at its end, and the anti-detachment hook 4 has a reverse tooth 16 on its outer side. The triangular block 15 and the reverse tooth 16 are locked together. The locking assembly includes a return spring 19 and a locking block 20. The rotating plate 13 has an installation groove 21. The return spring 19 is installed in the installation groove 21, and one end of the return spring 19 is connected to the locking block 20. The installation groove 21 has a through hole 22 on one side, and the hook 3 has a locking groove 23 corresponding to the through hole 22. The locking block 20 passes through the through hole 22 and is locked in the locking groove 23.

[0025] When fixing the anti-detachment hook 4, rotate the handle 17, which drives the rotating plate 13 to rotate within the rotating groove 18 via the rotating rod 14. This causes the triangular block 15 to engage with the reverse teeth 16 on the anti-detachment hook 4, further securing the anti-detachment hook 4. Simultaneously, the return spring 19 in the mounting groove 21 pushes the engaging block 20 through the through hole 22 and into the engaging groove 23, completing the locking of the fixing mechanism. This dual-fixing design is more stable than traditional single buckles or locking pins, can withstand high-frequency use and instantaneous impacts, and reduces the risk of cable body 6 slipping. Furthermore, the operation via the handle 17 and engaging block 20 is reasonable and convenient, saving installation and disassembly time compared to more complex devices and improving efficiency.

[0026] After the cable body 6 is pulled into position, the operation ends and is dismantled: First, stop the traction machine 1, press the locking block 20 to disengage from the locking groove 23 to release the lock, rotate the handle 17 in the opposite direction to disengage the triangular block 15 from the reverse tooth 16, then slide the anti-detachment hook 4 to disengage from the fixing groove 5, open the hook 3 to separate from the cable body 6 traction head 7, and the operation is completed. This dismantling process also demonstrates the advantage of the fixing mechanism's convenient operation, which can be completed quickly and further improve construction efficiency.

[0027] The cable body 6 has a traction head 7 installed at one end. The traction head 7 is equipped with a traction net sleeve 8, which is fixedly connected to the end of the cable body 6. The hook 3 has a rubber layer 24 inside, and the rubber layer 24 is in contact with the traction head 7.

[0028] When pulling the power cable body 6, the first step is to complete the preliminary preparations and connections: install the cable body 6 and the pulling head 7, and ensure the pulling net sleeve 8 is secure, providing initial stability for subsequent connections; operate the pulling machine 1 to release the pulling rope 2 of appropriate length, so that the hook 3 can smoothly connect with the cable body 6 and the pulling head 7, laying the groundwork for the pulling operation. Place the pulling head 7 inside the hook 3. At this time, the rubber layer 24 inside the hook 3 contacts the pulling head 7, absorbing vibration and impact through the principle of buffering and protection, increasing friction to prevent slippage, and providing greater stability than the traditional design without the rubber layer 24.

[0029] It should be noted that the specific models and specifications of the audible and visual alarm 11, the traction machine 1, and the tension sensor 9 need to be selected and determined according to the actual specifications of the device. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail here.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for preventing cable traction and unhooking during power construction, characterized in that, include: A hook (3) is provided with a sliding groove (12) at one end and a fixed groove (5) at the other end. The sliding groove (12) and the fixed groove (5) are not connected. The hook (3) is connected to a traction rope (2). The other end of the traction rope (2) is connected to a traction machine (1). An anti-detachment hook (4) is slidably connected in the sliding groove (12). The other end of the anti-detachment hook (4) is engaged in the fixed groove (5). The hook (3) is provided with a fixing mechanism for fixing the anti-detachment hook (4). The cable body (6) has a traction head (7) installed at one end. The traction head (7) is provided with a traction net sleeve (8). The traction net sleeve (8) is fixedly connected to the end of the cable body (6). The traction head (7) is connected to the hook (3).

2. The anti-disengagement device for power construction cable traction according to claim 1, characterized in that: The hook (3) has a rotating groove (18). The fixing mechanism includes a rotating plate (13), a rotating rod (14), a triangular block (15), a reverse tooth (16), a rotating handle (17), and a locking assembly. The rotating plate (13) is rotatably connected to the rotating groove (18) through the rotating rod (14). The rotating rod (14) passes through the rotating groove (18) and is connected to the rotating handle (17). The end of the rotating plate (13) is provided with a triangular block (15). The anti-detachment hook (4) is provided with a reverse tooth (16) on the outside, and the triangular block (15) and the reverse tooth (16) are locked together.

3. The anti-disengagement device for power construction cable traction according to claim 2, characterized in that: The engaging assembly includes a return spring (19) and an engaging block (20). The rotating plate (13) has an installation groove (21). The return spring (19) is installed in the installation groove (21), and one end of the return spring (19) is connected to the engaging block (20). A through hole (22) is provided on one side of the installation groove (21), and an engaging groove (23) corresponding to the through hole (22) is provided on the hook (3). The engaging block (20) passes through the through hole (22) and engages in the engaging groove (23).

4. The anti-disengagement device for power construction cable traction according to claim 1, characterized in that: A tension sensor (9) is installed at the bottom of the hook (3), and a connecting block (10) is provided on the other side of the tension sensor (9). The connecting block (10) is connected to the traction rope (2).

5. The anti-disengagement device for power construction cable traction according to claim 4, characterized in that: The traction machine (1) is equipped with an audible and visual alarm (11), which is electrically connected to the traction machine (1) and the tension sensor (9).

6. A power construction cable traction anti-disengagement device according to any one of claims 1-5, characterized in that: The hook (3) has a rubber layer (24) on its inner side, and the rubber layer (24) is in contact with the traction head (7).