Cable head dismounting device of cable branch box
By designing a cable removal device and utilizing clamping components and a hot air gun auxiliary component, the problem of difficult removal of heat-shrink caps from cable terminations was solved, achieving an efficient and safe cable removal process.
Patent Information
- Application Number
- CN202520299763.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-25
AI Technical Summary
In the prior art, the heat-shrink cap of the cable termination is fixed on the outside, making removal difficult and often damaging the termination. Furthermore, the adhesive force of the heat-shrink cap makes removal even more difficult.
A cable removal device was designed, including a control lever, a clamping assembly, and an auxiliary assembly. The L-shaped clamping plate and electric push rod of the clamping assembly are used for stable clamping, and the hot air gun softens the cap and the air needle provides compressed air to assist in pulling out the cable end.
It enables efficient and safe removal of cable terminations, avoiding damage to the terminations and improving removal efficiency and safety.
Smart Images

Figure CN223797826U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable technology, specifically to a cable disconnection device for a cable branch box. Background Technology
[0002] Cable distribution boxes are central components in power distribution lines, connecting cables to each other and to other electrical equipment. They are characterized by full insulation, full enclosure, corrosion resistance, maintenance-free operation, and high safety and reliability. The main functions of cable distribution boxes are to branch, transfer, extend, and connect cables, and to protect the circuit.
[0003] Cable terminations are an important component of power systems and often need to be removed during cable maintenance and replacement. In existing technologies, the auxiliary tools used to remove cable terminations typically involve using a wrench to secure the termination before pulling it out. However, in practical applications, cable terminations often have heat-shrink caps on the outer side of the end, forming a secure connection. Reckless force during removal can damage the termination. Furthermore, the heat-shrink caps are often fitted with adhesive during installation to further enhance adhesion and stability, making removal even more difficult. Therefore, there is room for technological improvement. Utility Model Content
[0004] This invention aims to solve the technical problem of heat-shrink caps being fixed to the outside of cable terminals, affecting their removal, and provides a cable disconnection device for cable branch boxes.
[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a cable disconnection device for a cable branch box, including a control lever, the control lever including a main rod and an extension rod, the extension rod being movably disposed within the upper end of the main rod, and a power structure being provided between the main rod and the extension rod; further comprising:
[0006] Handle; a fixing sleeve is provided on the outer side of the middle end of the handle, and a hollow threaded cylinder is provided at the lower end of the fixing sleeve, with the lower end of the hollow threaded cylinder threadedly connected to the extension rod;
[0007] Mounting box; located at the lower end of the main rod; the mounting box is equipped with a clamping assembly inside, and the lower end of the clamping assembly extends out of the mounting box;
[0008] Auxiliary components include a hot air gun and an air needle; the hot air gun is detachably connected to one side of the mounting box, the output end of the air needle can be inserted into the cable cap, and the other end is connected to an air compressor.
[0009] Furthermore, the power structure includes a first fixing plate on the outside of the main rod and a second fixing plate on the outside of the extension rod; a plurality of electric push rods are provided between the first fixing plate and the second fixing plate.
[0010] Furthermore, the mounting box is elongated, hollow inside, and open at the bottom.
[0011] Furthermore, the clamping assembly includes cylinders provided on both sides inside the mounting box, each cylinder output end is provided with a drive plate, each drive plate is hinged with a clamping plate, and the lower ends of the clamping plates are all L-shaped and opposite to each other.
[0012] The mounting box is equipped with fixing strips below the cylinder. The ends of the fixing strips are hinged with H-shaped linkage plates, which are hinged to the outer side of the clamping plate.
[0013] Furthermore, a C-shaped clip is provided on one side of the mounting box, and an anti-slip layer is provided on the inner side of the clip.
[0014] Furthermore, the air compressor is located on the mounting box; the hot air gun is connected to an external power source.
[0015] The advantages of this utility model compared with the prior art are as follows:
[0016] The cable end is held in place by an L-shaped clamping plate at the bottom, which allows for greater force to be applied and makes it less likely to come loose compared to clamping it on the outside.
[0017] It can be pulled out via an electric push rod, making it less prone to shaking and displacement, and thus more efficient.
[0018] Before pulling out, you can use a hot air gun to heat the area around the heat shrink cap to soften the adhesive or sealant at the cap; in addition, you can apply compressed air to the cap to make it separate quickly, making it easier to pull out later and less likely to damage the cable end. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the mounting box and clamping assembly structure of this utility model.
[0021] Figure 3 This is a schematic diagram of the handle and extension rod structure of this utility model.
[0022] Figure 4 This is a schematic diagram of a portion of the clamping component of this utility model.
[0023] Figure 5 This is a schematic diagram of the clamping plate structure of this utility model.
[0024] As shown in the figure: 1. Main rod, 2. Extension rod, 3. Handle, 4. Fixing sleeve, 5. Hollow threaded cylinder, 6. Mounting box, 7. Hot air gun, 8. Air needle, 9. Air compressor, 10. Fixing plate one, 11. Fixing plate two, 12. Electric push rod, 13. Cylinder, 14. Drive plate, 15. Clamping plate, 16. Fixing strip, 17. Linkage plate, 18. Clip. Detailed Implementation
[0025] The present invention will now be described in further detail with reference to the accompanying drawings.
[0026] Example 1, in conjunction with Appendix Figure 1 , 3 A cable disconnection device for a cable branch box includes a control lever, which includes a main rod 1 and an extension rod 2, the extension rod 2 being movably disposed inside the upper end of the main rod 1;
[0027] In conjunction with the above, a power structure is provided between the main rod 1 and the extension rod 2; the power structure includes a fixing plate 10 on the outside of the main rod 1 and a fixing plate 11 on the outside of the extension rod 2; a number of electric push rods 12 are provided between the fixing plate 10 and the fixing plate 11; thus, in the above structure, the electric push rods 12 can drive the extension rod 2 to move inward into the main rod 1, thereby adjusting the overall length.
[0028] It also includes a handle 3, with a fixing sleeve 4 on the outer side of the middle end of the handle 3, and a hollow threaded cylinder 5 at the lower end of the fixing sleeve 4. The lower end of the hollow threaded cylinder 5 is threadedly connected to the extension rod 2. The handle 3 is used to block the outside of the cable branch box. When in use, the length can be adjusted by rotating it so that it blocks the outside of the cable branch box or other equipment, forming a restriction, so that the electric push rod 12 has a force point when working, which makes it easy to pull the main rod 1 and the clamping assembly mentioned below outward.
[0029] Combined with appendix Figure 1 , 2 4, 5, and also include mounting box 6; located at the lower end of main rod 1; mounting box 6 is long and narrow, hollow inside and open at the bottom;
[0030] The mounting box 6 is equipped with a clamping assembly inside, and the lower end of the clamping assembly extends out of the mounting box 6. The clamping assembly includes cylinders 13 provided on both sides inside the mounting box 6. Each cylinder 13 has a drive plate 14 at its output end. Each drive plate 14 is hinged with a clamping plate 15. The lower ends of the clamping plates 15 are all L-shaped and opposite to each other.
[0031] Fixing strips 16 are provided inside the mounting box 6 and below the cylinder 13. H-shaped linkage plates 17 are hinged to the ends of the fixing strips 16. The linkage plates 17 are hinged to the outer side of the clamping plate 15.
[0032] In the above structure, when it is necessary to remove the cable end, the lower L-shaped end of the clamping plate 15 is first placed inside the cable end, mutually restricting each other. At this time, the cylinder 13 operates, driving the clamping plate 15 to rotate through the drive plate 14. The fixing strip 16 and the linkage plate 17 play an auxiliary and support role. When the clamping plate 15 rotates, its lower ends move closer to each other, clamping the cable end. At this time, the handle 3 is locked on the outside of the cable branch box. The electric push rod 12 drives the main rod 1, the fixing plate 10, and the clamping assembly to be pulled outward.
[0033] Combined with appendix Figure 1 It also includes auxiliary components, including a hot air gun 7 and an air needle 8. The hot air gun 7 is detachably connected to one side of the mounting box 6, and its end is connected to an external power source. Specifically, the mounting box 6 has a C-shaped clip 18 on one side, and the inside of the clip 18 has an anti-slip layer. When the heat shrink sleeve on the outside of the cable end is difficult to remove due to the use of adhesive or sealant, hot air is blown around the heat shrink sleeve by the hot air gun 7 to soften the adhesive layer and make it easier to remove.
[0034] Based on the above, the output end of the air needle 8 can be inserted into the cable cap, and the other end is connected to an air compressor 9; the air compressor 9 is located on the mounting box 6; thus, the air needle 8 can input compressed air into the cap, further assisting its detachment and facilitating the subsequent removal of the cable end.
[0035] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A cable disconnection device for a cable branch box, characterized in that: Includes a joystick, the joystick comprising a main rod (1) and an extension rod (2), the extension rod (2) being movably disposed within the upper end of the main rod (1), and a power structure being provided between the main rod (1) and the extension rod (2); further includes: Handle (3); a fixing sleeve (4) is provided on the outer side of the middle end of the handle (3), and a hollow threaded cylinder (5) is provided at the lower end of the fixing sleeve (4), and the lower end of the hollow threaded cylinder (5) is threadedly connected to the extension rod (2); Mounting box (6); located at the lower end of the main rod (1); the mounting box (6) is provided with a clamping assembly inside, and the lower end of the clamping assembly extends out of the mounting box (6); Auxiliary components include a hot air gun (7) and an air needle (8); the hot air gun (7) is detachably connected to one side of the mounting box (6), and the output end of the air needle (8) can be inserted into the cable cap, while the other end is connected to an air compressor (9).
2. The cable disconnection device for a cable branch box according to claim 1, characterized in that: The power structure includes a fixing plate 1 (10) on the outside of the main rod (1) and a fixing plate 2 (11) on the outside of the extension rod (2); a plurality of electric push rods (12) are provided between the fixing plate 1 (10) and the fixing plate 2 (11).
3. The cable disconnection device for a cable branch box according to claim 1, characterized in that: The mounting box (6) is long and narrow, hollow inside, and open at the bottom.
4. The cable disconnection device for a cable branch box according to claim 1, characterized in that: The clamping assembly includes cylinders (13) provided on both sides inside the mounting box (6). Each cylinder (13) has a drive plate (14) at its output end. Each drive plate (14) has a clamping plate (15) hinged to it. The lower ends of the clamping plates (15) are all L-shaped and opposite to each other. The mounting box (6) is provided with fixing strips (16) inside and below the cylinder (13). The ends of the fixing strips (16) are hinged with H-shaped linkage plates (17). The linkage plates (17) are hinged to the outer side of the clamping plate (15).
5. The cable disconnection device for a cable branch box according to claim 1, characterized in that: The mounting box (6) has a C-shaped clip (18) on one side, and the clip (18) has an anti-slip layer on the inside.
6. The cable disconnection device for a cable branch box according to claim 1, characterized in that: The air compressor (9) is located on the mounting box (6); the hot air gun (7) is connected to an external power source.