A portable cable jacket repair device
The portable cable sheath repair device solves the problem of inaccurate temperature control in traditional repair tools by using a temperature control system and heating structure, enabling precise repair and safe operation of cable sheaths, and improving repair efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINCHUAN GRP WIRE & CABLE CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-07-03
AI Technical Summary
Traditional cable sheath repair tools suffer from inaccurate temperature control, cumbersome operation, and are prone to causing further damage or even cable failure.
A portable cable sheath repair device was designed, integrating a temperature control system and a dedicated heating structure. Precise temperature control is achieved through a temperature control knob and a heating indicator light. Combined with a hinged clamping device and a ceramic heat insulation sheet, heating uniformity and safety are ensured.
It achieves precise temperature control in cable sheath repair, is easy to operate, improves the repair qualification rate, shortens the repair time, enhances safety, and avoids the damage spread and operational risks caused by temperature runaway in traditional methods.
Smart Images

Figure CN224459043U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cable sheath repair, specifically a portable cable sheath repair device. Background Technology
[0002] During cable production and use, the cable sheath often develops localized cracks due to mechanical scratches. Traditional repair methods, such as using a hot air gun to heat the insulating tape, suffer from inaccurate temperature control, cumbersome operation, and are prone to causing further damage or even cable failure. Therefore, there is an urgent need to design a portable repair tool that can precisely control temperature and is easy to operate. Utility Model Content
[0003] The purpose of this invention is to provide a portable cable sheath repair device that solves the problems of low efficiency and high risk in traditional repair processes by integrating a temperature control system and a dedicated heating structure.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a portable cable sheath repair device, comprising a power plug, a power cord and a clamping device, a temperature control system and a semi-cylindrical electric heating tile; the temperature control system is electrically connected to a temperature control knob located on the clamping device; the electric heating tile is powered by the temperature control system, and the surface of the electric heating tile is provided with countersunk holes; the electric heating tile is fixed to a heat insulation sheet by a nut, the heat insulation sheet is semi-circular and fixed to the upper clamping part of the clamping device by screws; the clamping device consists of a hinged upper clamping part and a lower clamping part, and the electric heating tile is only located on the upper clamping part.
[0005] Preferably, the heat insulation sheet is a ceramic composite material, and its curvature matches the outer diameter of the electric heating tile and the cable.
[0006] Preferably, the temperature control system is connected to a heating signal indicator light, which is located on the side of the temperature control knob.
[0007] Preferably, the power cord is provided with a power signal indicator light, which is electrically connected to the power plug.
[0008] Preferably, the mating ends of the upper clamping part and the lower clamping part are provided with a connecting hole, and the connecting hole is equipped with a locking nut.
[0009] The working process of this utility model is as follows:
[0010] (1) Power supply and temperature setting
[0011] Connect the power plug to a live socket; the power indicator light will illuminate to indicate that power is on. Rotate the temperature control knob to set the repair temperature to match the cable sheath material, such as PVC: 120℃±5℃, XLPE: 150℃±5℃. At this time, the heating indicator light will illuminate red to indicate that the heating element has started to heat up.
[0012] (2) Preheating and status confirmation
[0013] The temperature control system regulates the temperature of the electric heating tile in real time. When the set value is reached, the heating indicator light automatically turns green. The operator must confirm that the green light is on before proceeding with repairs to avoid insufficient or excessive temperature causing repair failure.
[0014] (3) Clamping repair and pressure holding
[0015] Move the hinged clamping device to allow the upper and lower clamping parts of the integrated electric heating tile to jointly cover the damaged area of the cable. Apply a constant pressure of 5-10 N·m through the locking nut in the connecting hole. The heat from the electric heating tile is evenly conducted to the sheath through the heat insulation sheet, and continues for 60-120 seconds to melt and reorganize the insulation material.
[0016] (4) Cooling and disassembly
[0017] After repair, loosen the locking nut and allow the cable to cool naturally for about 2 minutes. When the surface temperature of the heating tile drops below 60°C, disengage the clamping device and check whether the repaired surface is flat and free of air bubbles.
[0018] The beneficial effects of this utility model are as follows:
[0019] (1) This utility model achieves precise temperature control of the electric heating tile through the closed-loop adjustment of the temperature control knob and the temperature control system. This design can set the optimal repair temperature according to different sheath materials (such as PVC / XLPE), completely avoiding the problem of insulation layer carbonization or damage spread caused by temperature runaway of traditional hot air guns, and greatly improving the repair qualification rate.
[0020] (2) In this utility model, the semi-cylindrical electric heating tile is matched with the curvature of the cable, and the opening and closing operation is realized by a hinged clamping device. The upper / lower clamping parts are quickly fixed at the connection hole by locking nuts. Combined with the arc-shaped heat conduction design of the heat insulation sheet, the heating pressure is evenly distributed, and the repair time is shortened to within 3 minutes, which is 5 times more efficient than the traditional process.
[0021] (3) In this utility model, the power indicator light displays the power supply status in real time, and the heating indicator light accurately indicates the temperature status by switching between red and green lights. The dual indicator light system can promptly warn of abnormal power outages or temperature control failures. Combined with the ceramic heat insulation sheet to isolate the temperature of the handle area (surface temperature rise ≤15℃), it effectively eliminates the risk of burns to operators and improves on-site operation safety. Attached Figure Description
[0022] Figure 1 This is a schematic front view of the structure of this utility model;
[0023] Figure 2 This is a top view illustrating the structure of this utility model;
[0024] In the diagram: 1. Plug, 2. Wire, 3. Power indicator light, 4. Temperature control knob, 5. Heating indicator light, 6. Temperature control system, 7. Clamping device, 71. Upper clamping part, 72. Lower clamping part, 8. Heat insulation sheet, 9. Heating tile, 10. Connection hole. Detailed Implementation
[0025] The present invention will now be described in further detail with reference to the accompanying drawings.
[0026] like Figure 1-2 A portable cable sheath repair device is shown, comprising a power plug 1, a power cord 2, and a clamping device 7. Its features include: a temperature control system 6 and a semi-cylindrical electric heating tile 9; the temperature control system 6 is electrically connected to a temperature control knob 4 located on the clamping device 7; the electric heating tile 9 is powered by the temperature control system 6, and the surface of the electric heating tile 9 has countersunk holes; the electric heating tile 9 is fixed to a heat insulation sheet 8 by a nut, the heat insulation sheet 8 being semi-circular and fixed to the upper clamping part 71 of the clamping device 7 by screws; the clamping device 7 is composed of a hinged upper clamping part 71 and a lower clamping part 72, with the electric heating tile 9 only located on the upper clamping part 71.
[0027] The heat insulation sheet 8 is made of ceramic composite material, and its curvature matches that of the electric heating tile 9 and the outer diameter of the cable.
[0028] The temperature control system 6 is connected to a heating signal indicator light 5, which is located on the side of the temperature control knob 4.
[0029] The power cord 2 is equipped with a power signal indicator light 3, which is electrically connected to the power plug 1.
[0030] The mating ends of the upper clamping part 71 and the lower clamping part 72 are provided with a connecting hole 10, and the connecting hole 10 is equipped with a locking nut.
[0031] The working process of this utility model is as follows:
[0032] (1) Power supply and temperature setting
[0033] Connect the power plug 1 to the power socket; the power indicator light 3 will illuminate to indicate that power is on. Rotate the temperature control knob 4 to set the repair temperature to match the cable sheath material, such as PVC: 120℃±5℃, XLPE: 150℃±5℃. At this time, the heating indicator light 5 will illuminate red to indicate that the heating tile 9 has started to heat up.
[0034] (2) Preheating and status confirmation
[0035] The temperature control system 6 regulates the temperature of the electric heating tile 9 in real time. When the set value is reached, the heating indicator light 5 automatically switches to green. The operator must confirm that the green light is on before proceeding with repairs to avoid repair failure due to insufficient or excessive temperature.
[0036] (3) Clamping repair and pressure holding
[0037] Move the hinged clamping device 7 so that the upper clamping part 71 and the lower clamping part 72 of the integrated electric heating tile 9 together cover the damaged area of the cable. Apply a constant pressure of 5-10 N·m through the locking nut of the connecting hole 10. The heat of the electric heating tile 9 is evenly conducted to the sheath through the heat insulation sheet 8, and the insulation material is melted and reorganized for 60-120 seconds.
[0038] (4) Cooling and disassembly
[0039] After the repair is completed, loosen the locking nut and let the cable cool naturally for about 2 minutes. When the surface temperature of the heating tile 9 drops below 60°C, separate the clamping device 7 and check whether the repaired surface is flat and free of air bubbles.
[0040] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, based on the technical teachings provided by this utility model and as common knowledge in the field, other equivalent modifications and improvements can be made, and these should also be considered within the protection scope of this utility model.
Claims
1. A portable cable sheath repair device comprising a power plug (1), a power cord (2) and a clamping device (7), characterized in that: It also includes a temperature control system (6) and a semi-cylindrical electric heating tile (9); the temperature control system (6) is electrically connected to a temperature control knob (4) on the clamping device (7); the electric heating tile (9) is powered by the temperature control system (6), and the surface of the electric heating tile (9) is provided with countersunk holes; the electric heating tile (9) is fixed to the heat insulation sheet (8) by a nut, the heat insulation sheet (8) is semi-circular and fixed to the upper clamping part (71) of the clamping device (7) by screws; the clamping device (7) is composed of a hinged upper clamping part (71) and a lower clamping part (72), and the electric heating tile (9) is only provided on the upper clamping part (71).
2. A portable cable jacket repair device according to claim 1, wherein: The heat insulation sheet (8) is a ceramic composite material, and its curvature matches the outer diameter of the electric heating tile (9) and the cable.
3. A portable cable jacket repair device according to claim 1 or 2, characterised in that: The temperature control system (6) is connected to a heating signal indicator (5), which is located on the side of the temperature control knob (4).
4. A portable cable jacket repair device according to claim 3, wherein: The power cord (2) is equipped with a power signal indicator (3), which is electrically connected to the power plug (1).
5. A portable cable jacket repair device according to claim 4, wherein: The upper clamping part (71) and the lower clamping part (72) are provided with a connecting hole (10), and the connecting hole (10) is equipped with a locking nut.