High-voltage line connector heating defect processing device

Abstract

The invention relates to the technical field of electric power facility maintenance, in particular to a high-voltage line connector heating defect processing device which controls a sliding assembly through a controller so as to enable the whole device to move in the X direction and enable the device to rapidly reach the heating position of a high-voltage line. And then the controller controls the two clamping parts to clamp the high-voltage wire at the two sides of the heating position, so that the current on the high-voltage wire is guided into the wire through the clamping parts to form a current bypass for shunting, and the current flowing through the high-voltage wire and the heat at the heating defect are reduced. In the clamping process, the temperature of the high-voltage wire at the position where the device is located is monitored in real time through the temperature sensor, whether a bypass is connected or not is judged according to changes of temperature data, adjustment is made in time, the clamping effect is guaranteed, the heating defect is rapidly and safely eliminated temporarily, and buffer time is provided for subsequent comprehensive first-aid repair.

Description

Technical Field

[0001] The present invention relates to the technical field of power facility maintenance, and in particular to a device for processing heating defects of high-voltage line joints. Background Art

[0002] As the core carriers of power transmission, the stable operation of transmission and distribution lines is directly related to power supply reliability and social electricity safety. Connection points are essential structures for long-distance line installation. These structures connect the ends of two high-voltage wires to extend the transmission line, and are widely present in lines of all voltage levels. However, due to factors such as installation techniques, material aging, mechanical vibration, and environmental corrosion, connection points are prone to localized overheating, resulting in thermal defects. These defects can accelerate equipment degradation at best, or even cause serious accidents such as melting, fire, and even line tripping.

[0003] The causes of heating defects can be attributed to two core factors: first, excessive contact resistance of the joints, which increases due to oxidation and loosening of the contact surface, leading to a sharp increase in Joule heat; second, excessive line load current, with peak current far exceeding the design margin, further exacerbating the heating effect. Currently, conventional treatment methods for heating defects include power outages to eliminate faults and live work, but these methods have significant limitations: Power outages and fault elimination: Load transfer or planned power outages are required, which are complex and time-consuming, directly affecting power supply reliability and easily leading to user complaints; Live working: Traditional manual live tightening or equipment replacement requires personnel to directly approach high-voltage equipment, which is high-risk, low-efficiency, and difficult to operate on complex joint structures (such as drainage pipes).

[0004] Therefore, there is an urgent need for a device that can quickly and safely eliminate the heating defect of high-voltage line joints without power outages or load transfer, so as to gain buffer time for thorough maintenance after the load naturally drops, in order to meet the requirements of high power supply reliability. Summary of the Invention

[0005] The purpose of this application is to provide a device for processing heating defects of high-voltage line joints, which can quickly and safely temporarily eliminate the heating defects at the connection points, so as to gain buffer time for subsequent thorough inspections.

[0006] To achieve the above objectives, the present application adopts a high-voltage line joint heating defect treatment device, comprising: A support, wherein the support is an insulating component; A sliding assembly is mounted on the support and is used to slidably connect the support to the high-voltage line; A shunt assembly, wherein the two ends of the shunt assembly are respectively connected to the two ends of the support along the X direction; the shunt assembly comprises: two clamping parts and a wire, wherein the two clamping parts are respectively connected to the two ends of the support along the X direction, and the two ends of the wire are respectively fixedly connected to one of the clamping parts, and the clamping parts are used to clamp the high-voltage wire so that the current on the high-voltage wire flows to the wire to form a bypass; a temperature sensor, the temperature sensor being arranged on the support and being used to monitor the temperature of the high-voltage wire; A controller, the controller being respectively connected to the sliding assembly, the clamping portion, and the temperature sensor; the controller being configured to determine the on / off state of the bypass according to a temperature change of the high-voltage line monitored by the temperature sensor; The X direction is the axial direction of the high-voltage line.

[0007] As a preferred technical solution, the sliding assembly includes: a roller and a first driver, wherein a groove is provided on the outer circumference of the roller, and the roller is rollingly connected to the high-voltage line through the groove. The first driver is fixedly mounted on the support and is transmission-connected to the roller. The first driver is used to drive the roller to rotate so as to drive the support to move along the X direction.

[0008] As a preferred technical solution, the support includes: a box body and a bracket. The bracket is fixed to the top of the box body, and the bottom of the bracket and the top of the box body define a wire threading space for the high-voltage wire to pass through. The first driver is arranged on the bracket, and the clamping part is slidably connected to the box body.

[0009] As a preferred technical solution, a cavity is provided inside the box, and a through hole is provided on both sides of the box along the X direction, and the two through holes are respectively connected to the cavity. The high-voltage line joint heating defect processing device also includes: a distance adjustment component, the distance adjustment component including: a first gear, two first racks and a second driver, the first gear is arranged in the cavity, the two first racks are respectively arranged on opposite sides of the first gear, the second driver is fixed in the housing and is transmission-connected to the first gear, the second driver is used to drive the first gear to rotate relative to the housing, one end of each of the first racks is respectively fixedly connected to one of the clamping portions, and the other end extends along the X direction and respectively passes through one of the through holes to engage with the first gear; The second driver is signal-connected to the controller.

[0010] As a preferred technical solution, the clamping part includes: a mounting seat, a clamping claw, a driving mechanism and an electrical connector. The mounting seat is connected to the box body, the clamping claw is arranged at the top of the mounting seat, the driving mechanism is arranged on the mounting seat, and is used to drive the clamping claw to open or tighten. The electrical connector is fixedly connected to the mounting seat, the wire is fixedly connected to the electrical connector, and the driving mechanism is connected to the controller signal.

[0011] As a preferred technical solution, the inner peripheral wall of the mounting seat is provided with sliding grooves on two opposite sides, and the clamping claw includes two claw bodies. The driving mechanism includes: a second gear, two second racks, and a third driver, wherein the second gear is provided on the mounting base, and the two second racks are respectively provided on opposite sides of the second gear. The third driver is fixedly mounted on the mounting base and is transmission-connected to the second gear. The third driver is used to drive the second gear to rotate relative to the mounting base. The two second racks are slidingly provided in the respective slide grooves in a one-to-one correspondence, and one end of the second rack is fixedly connected to one of the claws, and the other end extends along the Y direction and meshes with the second gear. The Y direction is the radial direction of the high-voltage line, and the Y direction is perpendicular to the X direction.

[0012] As a preferred technical solution, the electrical connector is an aviation sealed electrical connector.

[0013] As a preferred technical solution, the high-voltage line connector heating defect processing device further includes: a camera, which is arranged on the support and is connected to the controller signal.

[0014] As a preferred technical solution, the high-voltage line joint heating defect processing device further includes: a hanging ring, which is fixed to the top of the support.

[0015] The above technical solution provides a device for treating heating defects in high-voltage wire joints. Compared with the prior art, its beneficial effects are: The controller controls the sliding assembly so that the entire device moves in the X direction, allowing the device to quickly reach the heating position of the high-voltage line. The controller then controls the two clamping parts to clamp the high-voltage lines on both sides of the heating position, so that the current on the high-voltage line is introduced into the wire through the clamping parts to form a current bypass for diversion, thereby reducing the current flowing through the high-voltage line and the heat at the heating defect. During the clamping process, the temperature of the high-voltage line at the location of the device is monitored in real time through the temperature sensor. Based on the changes in temperature data, it is determined whether the bypass is connected, and adjustments are made in a timely manner to ensure the clamping effect, quickly and safely temporarily eliminate the heating defect, and provide buffer time for subsequent comprehensive repairs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present application is further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. In addition, unless otherwise specified, the drawings are intended only to conceptually represent the composition or structure of the described objects and may contain exaggerated representations, and the drawings are not necessarily drawn to scale.

[0017] Figure 1 This is a schematic structural diagram of a device for processing heating defects of a high-voltage wire connector according to the present invention; Figure 2 A schematic diagram of a partial structure of a device for processing heating defects in high-voltage wire connectors according to the present invention; Figure 3 A schematic diagram of a distance adjustment component of a device for treating heating defects in high-voltage wire connectors according to the present invention; Figure 4 This is a schematic structural diagram of the clamping portion of the device for processing heating defects of high-voltage wire connectors according to the present invention; Figure 5 This is a schematic diagram of the disassembled structure of the clamping portion of the device for handling heating defects of high-voltage wire connectors according to the present invention; Among them: 1. support; 11. box body; 12. bracket; 13. threading space; 2. sliding assembly; 21. roller; 3. diverter assembly; 31. clamping part; 311. mounting seat; 3111. slide groove; 312. clamping claw; 3121. claw body; 313. driving mechanism; 3131. second gear; 3132. second rack; 314. electrical connector; 32. wire; 4. distance adjustment assembly; 41. first gear; 42. first rack; 43. second driver; 5. temperature sensor; 6. camera; 7. lifting ring. DETAILED DESCRIPTION

[0018] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0019] In the description of this application, it should be understood that the terms "front," "back," "top," "bottom," "inside," "outside," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0020] See Figure 1-2 , is a high-voltage line joint heating defect processing device provided by an embodiment of the present application, the device comprising: a support 1, the support 1 is an insulating component; a sliding component 2, the sliding component 2 is mounted on the support 1, and is used to slide the support 1 to the high-voltage line; a shunt component 3, the two ends of the shunt component 3 are respectively connected to the two ends of the support 1 along the X direction; the shunt component 3 comprises: two clamping parts 31, and a wire 32, the two clamping parts 31 are respectively connected to the two ends of the support 1 along the X direction, and the two ends of the wire 32 are respectively connected to one clamping part 3 1 is fixedly connected, the clamping portion 31 is used to clamp the high-voltage line so that the current on the high-voltage line flows to the wire 32 to form a bypass; the temperature sensor 5 is provided on the support 1 and is used to monitor the temperature of the high-voltage line; the controller is respectively connected to the sliding component 2, the clamping portion 31, and the temperature sensor 5 for signals; the controller is configured to: determine the on / off state of the bypass according to the temperature change of the high-voltage line monitored by the temperature sensor 5; wherein the X direction is the axial direction of the high-voltage line.

[0021] In this embodiment, when overheating is found at the high-voltage line joint, that is, a heating defect occurs, the high-voltage line joint heating defect processing device is slidably installed on the high-voltage line through the sliding component 2, and the user operates the controller to control the sliding component 2 to quickly move the device as a whole to the defect; during the movement, the temperature of the high-voltage line at the location of the device is monitored in real time by the temperature sensor 5, and it is determined whether the device has been moved to the heating defect by the temperature change of the monitored high-voltage line. Then the user operates the controller to control the two clamping parts 31 to tighten, so that the two clamping parts 31 are correspondingly clamped on the high-voltage lines on both sides of the defect. This application preferably uses a metal part as the clamping part 31, so that it has good conductive properties, so that the current at the defect is introduced into the wire 32 through the clamping part 31, thereby forming a bypass. The bypass wire 32 can divert part of the current, reduce the current flowing through the defect, thereby reducing its power loss, quickly suppressing the temperature rise, and preventing the joint from further oxidation, burning or even breaking due to overheating, thereby preventing the fault from expanding. Moreover, after the bypass is activated, the defect can be repaired in a "load reduction" or "power outage" state without interrupting the main power supply, thus maximizing the reliability of power supply and reducing the economic losses and social impact caused by power outages. In addition, as a temporary measure, the bypass can temporarily stabilize the defect state, buy time for formulating a detailed maintenance plan and allocating resources, make maintenance more orderly and efficient, and reduce the blindness of temporary emergency repairs. After the bypass is activated, the temperature of the high-voltage line continues to be detected by the temperature sensor 5. If the temperature of the high-voltage line drops significantly and tends to stabilize, it means that the diversion is effective and the defect is under control. If the temperature continues to rise or fluctuates greatly, it may mean that the clamping part 31 is loose (resulting in excessive contact resistance) or the bypass current is insufficient. The user can make timely adjustments based on changes in temperature data, increase the clamping force, or remove the device to check the connection of the wire 32 to ensure that the bypass system plays its intended role.

[0022] In some embodiments, the sliding assembly 2 includes a roller 21 and a first actuator (not shown). The roller 21 has a groove formed on its outer circumference, through which the roller 21 is in rolling connection with the high-voltage line. The first actuator is fixedly mounted on the support 1 and drivingly connected to the roller 21. The first actuator is configured to rotate the roller 21, thereby driving the support 1 to move in the X-direction. A user operates a controller to control the first actuator, which rotates the roller 21, thereby driving the entire support 1 to move axially along the high-voltage line, thereby quickly moving the device to the location of the heating defect.

[0023] In some embodiments, the support 1 includes: a box 11, a bracket 12, the bracket 12 is fixedly arranged at the top of the box 11, and the bottom of the bracket 12 and the top of the box 11 define a threading space 13 for the high-voltage line to pass through, the first driver is arranged on the bracket 12, and the clamping portion 31 is slidably connected to the box 11. With such an arrangement, on the one hand, the box 11 serves as a bottom foundation for installing the clamping portion 31 that is in direct contact with the high-voltage line, and its closed structure can provide physical protection for the internal components and reduce the erosion of the core components by external dust, rainwater, and debris; at the same time, the box 11 serves as a base with a large bottom area and a certain weight, which can lower the overall center of gravity and provide stable support for the bracket 12 and the upper components. In particular, when there is tension in the high-voltage line or the influence of the external environment, the shaking of the support 1 is reduced and the overall anti-overturning ability is improved. On the other hand, the bracket 12 is located at the top of the box 11, which is suitable for installing components such as the sliding assembly 2 that require a certain height and involve action execution, avoiding interference with the threading space 13 and the clamping portion 31 of the high-voltage line, making the layout of each component more orderly. Moreover, the bracket 12 serves as an upper supporting structure, and the present application preferably adopts a lightweight frame design to reduce the overall weight while ensuring strength, balancing stability and economy. In addition, the bottom of the bracket 12 and the top of the box 11 define a threading space 13, and a channel for the high-voltage line to pass through can be formed by utilizing the structural gap between the two, without the need for additional complex components, simplifying the design of the threading structure; and the space is defined by the rigid box 11 and the edge of the bracket 12, which can play a certain guiding and limiting role for the high-voltage line, preventing the cable from shaking or deflecting at will, and ensuring its stable force under the action of the clamping portion 31.

[0024] In some embodiments, the clamping portion 31 is slidably connected to the box body 11 to adjust the relative distance between the two clamping portions 31 to improve the applicability of the device. Figure 1-3In some embodiments, a cavity is defined inside the box body 11, and a through-hole is defined on both sides of the box body 11 along the X direction, and the two through-holes are respectively connected to the cavity; the high-voltage line connector heating defect processing device further includes: a distance adjustment component 4, the distance adjustment component 4 includes: a first gear 41, two first racks 42 and a second driver 43, the first gear 41 is provided in the cavity, the two first racks 42 are respectively provided on opposite sides of the first gear 41, the second driver 43 is fixedly installed in the box body 11, and is transmission-connected to the first gear 41, the second driver 43 is used to drive the first gear 41 to rotate, one end of each first rack 42 is respectively fixedly connected to a clamping portion 31, and the other end extends along the X direction and respectively passes through a through-hole to engage with the first gear 41; the second driver 43 is connected to the controller signal. The user can operate the controller to control the second driver 43 according to the scope of the heating defect, drive the first gear 41 to rotate, and drive the two first racks 42 to move closer to or away from each other, so that the two clamping parts 31 on both sides of the box body 11 move closer to or away from each other, and adjust the distance between the two clamping parts 31 accordingly to better clamp the high-voltage wires on both sides of the defect, thereby improving the applicability of the device.

[0025] See Figure 4 In some embodiments, the clamping portion 31 includes: a mounting seat 311, a clamping jaw 312, a driving mechanism 313 and an electrical connector 314. The mounting seat 311 is connected to the box body 11, the clamping jaw 312 is provided at the top of the mounting seat 311, the driving mechanism 313 is provided on the mounting seat 311, and is used to drive the clamping jaw 312 to open or tighten. The electrical connector 314 is fixedly connected to the mounting seat 311, the wire 32 is fixedly connected to the electrical connector 314, and the driving mechanism 313 is connected to the controller signal.

[0026] In this embodiment, when the clamping jaws 312 are tightened to clamp the high-voltage line, they form close electrical contact with the high-voltage line, allowing current to be conducted through the clamping jaws 312 to the mounting base 311. The electrical connector 314 is fixed to the mounting base 311, and the wire 32 is connected to the mounting base 311 via the electrical connector 314, thereby forming a complete current path from "high-voltage line → clamping jaw 312 → mounting base 311 → electrical connector 314 → wire 32." This bypasses the current flow, avoids problems such as increased resistance and heat generation caused by poor contact, and ensures the stability of current conduction. Furthermore, the mounting base 311 serves as a base carrier, connecting the housing 11 and integrating the clamping jaws 312, drive mechanism 313, and electrical connector 314, forming a compact functional unit. This reduces structural redundancy and improves overall stability. Furthermore, the rigid structure of the mounting base 311 provides a stable mounting base for the drive mechanism 313, preventing deviations in the movement of the clamping jaws 312 due to deformation of the mounting base 311 during the driving process, further ensuring clamping accuracy. In addition, the present application preferably adopts a plug-in design to connect the wire 32 to the electrical connector 314, which can ensure a firm electrical connection between the wire 32 and the mounting base 311 and avoid loose contact due to vibration or external force.

[0027] See Figure 5 In some embodiments, a slide groove 3111 is respectively defined on opposite sides of the inner circumferential wall of the mounting base 311. The clamping claw 312 includes two claw bodies 3121. The driving mechanism 313 includes: a second gear 3131, two second racks 3132, and a third driver (not shown). The second gear 3131 is provided on the mounting base 311. The two second racks 3132 are respectively provided on opposite sides of the second gear 3131. The third driver is fixedly mounted on the mounting base 311 and transmission-connected to the second gear 3131. The third driver is used to drive the second gear 3131 to rotate relative to the mounting base 311. The two second racks 3132 are slidably disposed in each of the slide grooves 3111 in a one-to-one correspondence. One end of the second rack 3132 is respectively fixedly connected to one of the claw bodies 3121, and the other end extends along the Y direction and meshes with the second gear 3131. The Y direction is the radial direction of the high-voltage line, and the Y direction is perpendicular to the X direction.

[0028] In this embodiment, the two second racks 3132 are respectively engaged with the same second gear 3131, and the racks extend in opposite directions. When the third driver drives the second gear 3131 to rotate, the rotational motion of the gear is converted into the linear motion of the two second racks 3132 through engagement, and the two second racks 3132 must move in opposite directions. This design can ensure that the two claws 3121 open or tighten synchronously, avoid clamping offset caused by asynchronous movement on both sides, and ensure stable conductive contact. In addition, the second rack 3132 extends linearly along the Y direction, and the motion trajectory is consistent with the opening and closing direction of the clamping jaws 312. There is no need for a complex steering transmission structure, which simplifies the spatial layout inside the mounting base 311 and makes the entire clamping portion 31 more compact.

[0029] In some embodiments, the electrical connector 314 is an aviation-sealed electrical connector. Aviation-sealed electrical connectors typically utilize designs such as rubber sealing rings and metal sealing surfaces to achieve a high level of protection. In outdoor high-voltage line operations, exposed to environmental factors such as rain, fog, dust, and condensation, the sealing performance effectively prevents moisture and contaminants from entering the connector. Furthermore, the aviation-sealed electrical connector offers stable conductivity, ensuring efficient bypass current diversion, precisely reducing the load on the original heating connector and achieving defect control objectives.

[0030] In some embodiments, the high-voltage line connector heating defect treatment device further includes a camera 6, which is mounted on the support 1 and is signal-connected to the controller. When the device is connected to the high-voltage line, the image information fed back by the camera 6 can be used to determine the device's position, thereby improving installation efficiency and preventing safety accidents such as improper installation and device detachment during use.

[0031] In some embodiments, the high-voltage line connector heating defect processing device further includes: a lifting ring 7, which is fixed to the top of the support 1. The lifting ring 7 serves as a connection fulcrum for the insulating rod, allowing the operator to complete the hanging action of the device at a safe distance through the insulating rod. There is no need to touch the high-voltage wire or the equipment body, and the high-voltage hazard source is completely isolated from the operating process, thereby improving the safety of the device. The lifting ring 7 is fixed to the top of the support 1, and its position corresponds to above the center of gravity of the device. When hanging, the entire device can be balanced to avoid tilting or shaking.

[0032] In summary, the device for handling high-voltage line connector heating defects provided in this embodiment can quickly establish a current bypass to divert current when a high-voltage line connector heating defect occurs, effectively reducing the heating temperature and temporarily eliminating the defect. Furthermore, by monitoring the temperature of the high-voltage line through a temperature sensor, the bypass connectivity can be effectively monitored to ensure the stability of the bypass connection. The device has a simple overall structure, is easy to install, and is quick to operate, providing ample buffer time for subsequent comprehensive maintenance.

[0033] This specification discloses the present application with reference to the accompanying drawings and also enables those skilled in the art to practice the present application, including making and using any device or system, employing suitable materials, and using any combined methods. The scope of the present application is defined by the claimed technical solution and includes other examples that occur to those skilled in the art. As long as such other examples include structural elements that are not different from the literal language of the claimed technical solution, or such other examples include equivalent structural elements that are not substantially different from the literal language of the claimed technical solution, such other examples should be deemed to be within the scope of protection determined by the claimed technical solution.

Claims

1. A device for treating heating defects of high-voltage wire joints, characterized in that: include: A support (1), wherein the support (1) is an insulating component; A sliding assembly (2), the sliding assembly (2) being mounted on the support (1) and used for slidingly connecting the support (1) to the high-voltage line; A shunt component (3), wherein both ends of the shunt component (3) are respectively connected to both ends of the support (1) along the X direction; the shunt component (3) comprises: two clamping parts (31) and an electric wire (32), wherein the two clamping parts (31) are respectively connected to both ends of the support (1) along the X direction, and both ends of the electric wire (32) are respectively fixedly connected to one of the clamping parts (31), and the clamping parts (31) are used to clamp the high-voltage wire so that the current on the high-voltage wire flows to the electric wire (32) to form a bypass; A temperature sensor (5), the temperature sensor (5) being arranged on the support (1) and being used to monitor the temperature of the high-voltage wire; A controller, the controller being respectively connected to the sliding assembly (2), the clamping portion (31), and the temperature sensor (5) in signal connection; the controller being configured to: determine the on / off state of the bypass according to the temperature change of the high-voltage line monitored by the temperature sensor (5); The X direction is the axial direction of the high-voltage line.

2. The high-voltage line joint heating defect treatment device according to claim 1, characterized in that: The sliding assembly (2) comprises: a roller (21) and a first driver. A groove is provided on the outer periphery of the roller (21). The roller (21) is in rolling connection with the high-voltage line through the groove. The first driver is fixedly mounted on the support (1) and is in transmission connection with the roller (21). The first driver is used to drive the roller (21) to rotate, thereby driving the support (1) to move along the X direction.

3. The high-voltage line joint heating defect treatment device according to claim 1, characterized in that: The support (1) comprises: a box (11) and a bracket (12), wherein the bracket (12) is fixedly arranged at the top of the box (11), and the bottom of the bracket (12) and the top of the box (11) define a wire threading space (13) for the high-voltage wire to pass through, the first driver is arranged on the bracket (12), and the clamping portion (31) is slidably connected to the box (11).

4. The high-voltage line joint heating defect treatment device according to claim 3, characterized in that: A cavity is provided inside the box body (11), and a through hole is provided on each of two sides of the box body (11) along the X direction, and the two through holes are respectively connected to the cavity. It also includes: a distance adjustment component (4), the distance adjustment component (4) includes: a first gear (41), two first racks (42) and a second driver (43), the first gear (41) is arranged in the cavity, the two first racks (42) are respectively arranged on two opposite sides of the first gear (41), the second driver (43) is fixedly installed in the box (11) and is transmission-connected to the first gear (41), the second driver (43) is used to drive the first gear (41) to rotate relative to the box (11), one end of each first rack (42) is respectively fixedly connected to a clamping portion (31), and the other end extends along the X direction and respectively passes through a through hole to engage with the first gear (41); The second driver (43) is connected to the controller signal.

5. The high-voltage line joint heating defect treatment device according to claim 3, characterized in that: The clamping portion (31) includes: a mounting seat (311), a clamping claw (312), a driving mechanism (313) and an electrical connector (314); the mounting seat (311) is connected to the box body (11); the clamping claw (312) is arranged at the top end of the mounting seat (311); the driving mechanism (313) is arranged on the mounting seat (311) and is used to drive the clamping claw (312) to open or tighten; the electrical connector (314) is fixedly connected to the mounting seat (311); the wire (32) is fixedly connected to the electrical connector (314); and the driving mechanism (313) is connected to the controller signal.

6. The high-voltage line joint heating defect treatment device according to claim 5, characterized in that: Slide grooves (3111) are respectively provided on two opposite sides of the inner peripheral wall of the mounting seat (311), and the clamping claw (312) includes two claw bodies (3121). The driving mechanism (313) includes: a second gear (3131), two second racks (3132) and a third driver, wherein the second gear (3131) is provided on the mounting base (311), and the two second racks (3132) are respectively provided on opposite sides of the second gear (3131), and the third driver is fixedly mounted on the mounting base (311) and is transmission-connected to the second gear (3131), and the third driver is used to drive the second gear (3131) to rotate relative to the mounting base (311), and the two second racks (3132) are slidingly provided in each of the slide grooves (3111) in a one-to-one correspondence, and one end of the second rack (3132) is fixedly connected to a claw body (3121), and the other end extends along the Y direction and meshes with the second gear (3131); The Y direction is the radial direction of the high-voltage line, and the Y direction is perpendicular to the X direction.

7. The high-voltage line joint heating defect treatment device according to claim 5, characterized in that: The electrical connector (314) is an aviation sealed electrical connector (314).

8. The high-voltage line joint heating defect treatment device according to claim 1, characterized in that: Also includes: A camera (6), the camera (6) is arranged on the support (1), and the camera (6) is connected to the controller signal.

9. The high-voltage line joint heating defect treatment device according to claim 1, characterized in that: Also includes: A lifting ring (7), wherein the lifting ring (7) is fixedly arranged on the top end of the support (1).

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