Cable accessory stress cone convenient to install

Abstract

The utility model relates to a cable accessory stress cone convenient to install, in particular to the field of cable accessories, which comprises a stress cone body, a threading hole is arranged in the middle of the stress cone body, an arc-shaped clamping block is arranged on the inner side wall of the threading hole in a sliding mode, and a lead disc is arranged in the threading hole. Pull ropes are arranged at the upper end and the lower end of the lead disc, the ends, away from the lead disc, of the pull ropes penetrate through the side wall of the stress cone and are wound on a winding wheel, the winding wheel is rotationally arranged on the outer side wall of the stress cone, and a handle is fixedly arranged on the winding wheel. According to the utility model, a cable is driven to move in the threading hole of the stress cone by using the cable leading disc, the cable can conveniently pass through the stress cone, the friction between the cable and the inner side wall of the stress cone can be prevented, the cable leading disc is pulled to move by using the pull rope and the winding wheel, the operation is convenient, and the position of the arc-shaped clamping block is adjusted by using the threaded rod after the cable passes through the stress cone. And the cable is fixed by using the arc-shaped clamping blocks.

Description

Technical Field

[0001] This utility model relates to the field of cable accessory technology, specifically to a stress cone for cable accessories that is easy to install. Background Technology

[0002] Power cable accessories are products that connect cables to power transmission and distribution lines and related power distribution equipment. They generally refer to intermediate and terminal connections of various cables in a cable line, forming the power transmission network together with the cables. Cable accessories are mainly designed based on the characteristics of the cable structure, restoring cable performance while ensuring cable length extension and terminal connections. The reliability of high-voltage cable accessories can be evaluated from aspects such as electrical performance, sealing and moisture-proof performance, mechanical performance, and technological performance. The function of the stress cone is to improve the electric field distribution at the end of the metal sheath and reduce the electric field strength at the edge of the metal sheath.

[0003] However, the existing cable accessory stress cones are inconvenient for installing and removing cables. Friction is easily generated when the cable passes through the stress cone, and if the stress cone is long, it is not easy for the cable to pass through the stress cone for installation. Utility Model Content

[0004] The purpose of this invention is to provide a cable accessory stress cone that is easy to install, so as to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a cable accessory stress cone that is easy to install, comprising a stress cone body, a wire-passing hole provided in the middle of the stress cone body, an arc-shaped clamping block slidably disposed on the inner side wall of the wire-passing hole, a wire guide reel disposed inside the wire-passing hole, pull ropes provided at both the upper and lower ends of the wire guide reel, the end of the pull rope away from the wire guide reel passing through the side wall of the stress cone body and wound around a winding wheel, the winding wheel being rotatably disposed on the outer side wall of the stress cone body, and a handle being fixedly disposed on the winding wheel.

[0006] In a preferred embodiment, the stress cone has a shielding layer inside, an inlet hole at the upper end and an outlet hole at the lower end. The shielding layer reduces external electromagnetic interference to the cable, and the inlet and outlet holes facilitate the introduction and exit of the cable.

[0007] In a preferred embodiment, one end of the arc-shaped clamping block is slidably disposed in a groove opened in the side wall of the wire hole, and one end of the arc-shaped clamping block is rotatably provided with a threaded rod. One end of the threaded rod passes through the side wall of the stress cone and is fixedly connected to a turntable. The threaded rod facilitates the adjustment of the position of the arc-shaped clamping block, and the cable is clamped and fixed by the arc-shaped clamping block.

[0008] In a preferred embodiment, the inner wall of the arc-shaped clamping block is provided with an anti-slip rubber pad, and at least two sets of arc-shaped clamping blocks are provided. The anti-slip rubber pad can protect the cable.

[0009] In a preferred embodiment, a through hole is provided in the middle of the lead coil, and an arc-shaped clamping plate is provided on the inner side of the through hole. One end of the arc-shaped clamping plate is connected to a spring provided inside the side wall of the lead coil. The cable is clamped by the lead coil and then passed through the through hole to prevent the cable from rubbing against the inner side wall of the through hole.

[0010] In a preferred embodiment, two pull ropes are provided at both the upper and lower ends of the lead coil. The pull ropes pass through guide wheels and are connected to take-up wheels. The guide wheels are installed on the outer side wall of the stress cone. Each take-up wheel is provided with two take-up grooves. A guide block is fixedly provided on the outer side wall of the lead coil. A guide groove is provided on the inner side wall of the wire hole to allow the guide block to move. The take-up wheels facilitate the winding of the pull ropes, while the guide blocks and guide grooves enable the lead coil to move in the vertical direction.

[0011] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0012] This utility model features a structure including a lead wire reel, pull rope, winding wheel, arc-shaped clamping plate, spring, guide block, and guide groove. When the cable passes through the stress cone for installation, the lead wire reel moves the cable inside the through-hole of the stress cone, facilitating the cable's passage through the stress cone and preventing friction between the cable and the inner wall of the stress cone. The pull rope and winding wheel move the lead wire reel for easy operation. After the cable exits the stress cone, the position of the arc-shaped clamping block is adjusted using a threaded rod, and the arc-shaped clamping block secures the cable. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

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

[0015] Figure 2 This is a schematic cross-sectional view of the lead coil after installation.

[0016] Figure 3 This is a schematic diagram of the arc-shaped clamping block of this utility model.

[0017] In the diagram: 1. Stress cone; 2. Threading hole; 3. Arc-shaped clamping block; 4. Lead wire reel; 5. Pull rope; 6. Rewinding wheel; 7. Handle; 8. Shielding layer; 9. Inlet hole; 10. Outlet hole; 11. Groove; 12. Threaded rod; 13. Turntable; 14. Anti-slip rubber pad; 15. Through hole; 16. Arc-shaped clamping plate; 17. Spring; 18. Guide wheel; 19. Guide block; 20. Guide groove. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1-3 This utility model provides a cable accessory stress cone that is easy to install, including a stress cone 1. A wire hole 2 is provided in the middle of the stress cone 1. An arc-shaped clamping block 3 is slidably arranged on the inner side wall of the wire hole 2. A wire guide 4 is provided inside the wire hole 2. Pull ropes 5 are provided at both the upper and lower ends of the wire guide 4. The end of the pull rope 5 away from the wire guide 4 passes through the side wall of the stress cone 1 and is wound around a winding wheel 6. The winding wheel 6 is rotatably arranged on the outer side wall of the stress cone 1. A handle 7 is fixedly provided on the winding wheel 6.

[0020] In a preferred embodiment, a shielding layer 8 is provided inside the stress cone 1, an inlet hole 9 is provided at the upper end of the stress cone 1, and an outlet hole 10 is provided at the lower end of the stress cone 1. The shielding layer 8 can improve the anti-interference performance of the cable.

[0021] In a preferred embodiment, one end of the arc-shaped clamping block 3 is slidably disposed in the groove 11 opened in the side wall of the wire hole 2. One end of the arc-shaped clamping block 3 is rotatably provided with a threaded rod 12. One end of the threaded rod 12 passes through the side wall of the stress cone 1 and is fixedly connected to a turntable 13. When the turntable 13 drives the threaded rod 12 to rotate, the threaded rod 12 can push the arc-shaped clamping block 3 to move, so that the arc-shaped clamping block 3 clamps and fixes the cable. The inner side wall of the arc-shaped clamping block 3 is provided with an anti-slip rubber pad 14. At least two sets of arc-shaped clamping blocks 3 are provided.

[0022] In a preferred embodiment, a through hole 15 is provided in the middle of the lead coil 4, and an arc-shaped clamping plate 16 is provided inside the through hole 15. One end of the arc-shaped clamping plate 16 is connected to a spring 17 disposed inside the side wall of the lead coil 4. Two pull ropes 5 are provided at both the upper and lower ends of the lead coil 4. The pull ropes 5 pass through the guide wheel 18 and are connected to the winding wheel 6. The guide wheel 18 is installed on the outer side wall of the stress cone 1. Two springs are provided on each winding wheel 6. The cable reel 4 has a winding groove. A guide block 19 is fixedly installed on the outer side wall of the cable reel 4. A guide groove 20 is opened on the inner side wall of the cable hole 2 to allow the guide block 19 to move. The end of the cable is placed into the cable reel 4 and clamped by the arc-shaped clamping plate 16. Then, the cable is wound up by rotating the winding wheel 6. The cable reel 4 is moved in the cable hole 2 by the cable 5. When the cable reel 4 moves, the guide block 19 moves in the guide groove 20, which can limit the position of the cable reel 4.

[0023] The working principle of this utility model:

[0024] In use, place the cable at the inlet hole 9 at the upper end of the stress cone 1, and then insert the cable into the lead reel 4 through the inlet hole 9. Use the arc-shaped clamping plate 16 on the inner side of the lead reel 4 to clamp the cable. After clamping, rotate the winding wheel 6 below the stress cone 1. The winding wheel 6 winds up the pull rope 5 below the lead reel 4. Use the pull rope 5 to drive the lead reel 4 to move downward. The lead reel 4 drives the cable to move in the through hole 2. When the lead reel 4 moves to the outlet hole 10, pull the cable out from the outlet hole 10. Then rotate the turntable 13. The turntable 13 drives the threaded rod 12 to rotate. When the threaded rod 12 rotates, the arc-shaped clamping block 3 can clamp and fix the cable inside the through hole 2, realizing the installation and fixation of the cable, and enabling the cable to pass through the stress cone 1 for better installation.

[0025] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cable accessory stress cone for ease of installation comprising a stress cone body (1) characterised in that: The middle position of the stress cone (1) is provided with a threading hole (2), the inner side wall of the threading hole (2) is slidably provided with an arc-shaped clamping block (3), the inside of the threading hole (2) is provided with a lead wire disc (4), the upper and lower ends of the lead wire disc (4) are provided with pull ropes (5), one end of the pull rope (5) away from the lead wire disc (4) penetrates the side wall of the stress cone (1) and is wound on the winding wheel (6), the winding wheel (6) is rotatably arranged on the outer side wall of the stress cone (1), and the handle (7) is fixedly arranged on the winding wheel (6).

2. A cable accessory stress cone for ease of installation according to claim 1, characterised in that, The inside of the stress cone (1) is provided with a shielding layer (8), the upper end of the stress cone (1) is provided with a wire inlet hole (9), and the lower end of the stress cone (1) is provided with a wire outlet hole (10).

3. A cable accessory stress cone for ease of installation according to claim 1, wherein, One end of the arc-shaped clamping block (3) is slidably arranged in the groove (11) formed in the side wall of the threading hole (2), one end of the arc-shaped clamping block (3) is rotatably provided with a threaded rod (12), one end of the threaded rod (12) penetrates the side wall of the stress cone (1) and is fixedly connected with the rotating disc (13).

4. A cable accessory stress cone for ease of installation according to claim 3, characterised in that, The inner side wall of the arc-shaped clamping block (3) is provided with an anti-skid rubber pad (14), and the arc-shaped clamping block (3) is provided with at least two groups.

5. A cable accessory stress cone for ease of installation according to claim 1, wherein, The middle position of the lead wire disc (4) is provided with a through hole (15), the inner side of the through hole (15) is provided with an arc-shaped clamping plate (16), and one end of the arc-shaped clamping plate (16) is connected to the spring (17) arranged in the inner side wall of the lead wire disc (4).

6. A cable accessory stress cone for ease of installation according to claim 5, characterised in that, The upper and lower ends of the lead wire disc (4) are provided with two pull ropes (5), the pull rope (5) penetrates the guide wheel (18) and is connected with the winding wheel (6), the guide wheel (18) is mounted on the outer side wall of the stress cone (1), each winding wheel (6) is provided with two winding grooves, the outer side wall of the lead wire disc (4) is fixedly provided with a guide block (19), and the inner side wall of the threading hole (2) is provided with a guide groove (20) for the movement of the guide block (19).

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