Cable insulation layer damage detection positioning device and detection method thereof

Abstract

The invention relates to a cable insulation layer damage detecting and positioning device and a detecting method thereof, and belongs to the technical field of cable insulation layer detection.The cable insulation layer damage detecting and positioning device comprises a mounting shell, a control module is fixedly connected to the top end of the mounting shell, and a conveying device is arranged at the front end of the mounting shell; a detection device is arranged at the front end of the conveying device, a driving device is arranged on one side of the mounting shell, a cleaning and film wrapping device is arranged in the driving device in a matched mode, by arranging the driving device and the cleaning and film wrapping device, the side wall of a cable insulation layer is cleaned before cable detection, misjudgment in the detection process is avoided, and after detection is completed, the cable insulation layer is cleaned. The cable side wall can be coated, the cable can be effectively protected, the cable side wall can be effectively clamped and stably conveyed by arranging the conveying device, and meanwhile the adaptability to cables of different specifications can be effectively improved through movable adjustment of a driven roller.

Description

Technical Field

[0001] This invention belongs to the field of cable insulation layer testing technology, specifically relating to a cable insulation layer damage detection and positioning device and its testing method. Background Technology

[0002] Cable insulation systems are used in power, communication, and other critical infrastructure to ensure stable equipment operation. Damage to cable insulation often leads to electrical faults, equipment damage, and even fires. Therefore, timely detection and location of damage points are crucial for ensuring the safety of power systems and reducing accidents.

[0003] While existing technologies use testing equipment to inspect the insulation layer of cables, the cables are often stored in warehouses before inspection, which causes dust and other dirt to accumulate on the cable sidewalls. Furthermore, the lack of protection after inspection reduces the accuracy of the inspection and makes the cables more susceptible to damage. Therefore, those skilled in the art provide a cable insulation layer damage detection and positioning device and its detection method to solve the problems mentioned in the background art. Summary of the Invention

[0004] The purpose of this invention is to provide a simple and reasonably designed cable insulation layer damage detection and positioning device and its detection method in order to solve the above problems.

[0005] The present invention achieves the above objectives through the following technical solutions: A cable insulation layer damage detection and positioning device includes a mounting shell, a control module fixedly connected to the top of the mounting shell, four suction cups fixedly connected to the bottom of the mounting shell, a transmission mechanism provided on the inner wall of the mounting shell, a conveying device provided at the front end of the mounting shell, a detection device provided at the front end of the conveying device, a driving device provided on one side of the mounting shell, and a cleaning and wrapping device provided inside the driving device.

[0006] As a further optimization of the present invention, the transmission mechanism includes a mounting block fixedly connected to the front end of the inner wall of the mounting housing, a rotating shaft rotatably passing through the side wall of the mounting block, a transmission helical gear fixedly connected to one end of the rotating shaft, and a driven helical gear meshing with the transmission helical gear rotatably connected to the front end of the inner wall of the mounting housing.

[0007] As a further optimization of the present invention, the driving device includes a second housing fixedly connected to one side of the mounting housing, a first housing provided on one side of the second housing, a servo motor fixedly connected to one side of the first housing, the other end of the rotating shaft rotatably passing through the inner wall of the mounting housing and the side wall of the second housing and fixedly sleeved with a first transmission gear, the servo motor being fixedly connected to the other end of the rotating shaft, and two first driven gears meshing with the first transmission gear being rotatably connected to the inner wall of the first housing.

[0008] As a further optimization of the present invention, the cleaning coating device includes a mounting ring rotatably connected to the inner wall of the second housing. A gear ring that meshes with two first driven gears is fixedly connected to one side of the mounting ring. Three fixing rods are fixedly connected to the inner wall of the mounting ring. Sleeves are slidably sleeved on the side walls of the three fixing rods. A second spring is provided between the fixing rod and the sleeve. A brush is fixedly connected to one end of each of the three sleeves. A coating mechanism is provided on one side of the gear ring.

[0009] As a further optimization of the present invention, the coating mechanism includes a mounting frame fixedly connected to one side of the gear ring, and a support block is fixedly connected to the top of the mounting frame.

[0010] As a further optimization of the present invention, the conveying device includes a support plate fixedly connected to the front end of the mounting shell. A second transmission gear is rotatably connected to the lower part of the front end of the support plate. One end of the fixed shaft in the middle of the second transmission gear rotatably passes through the support plate and is fixedly connected to the middle of the driven helical gear. A second driven gear that meshes with the side wall of the second transmission gear is rotatably connected to both sides of the front end of the support plate. A transmission roller is fixedly connected to the front end of each of the two second driven gears. One end of the fixed shaft in the middle of one of the second driven gears rotatably passes through the support plate and is rotatably fitted with a rotation count sensor. The rotation count sensor is fixedly connected to the inner wall of the mounting shell. Two driven mechanisms are respectively provided on both sides of the front end of the support plate.

[0011] As a further optimization of the present invention, the driven mechanism includes a slide groove formed on one side of the front end of the support plate, a slide rod fixedly connected to the top of the inner wall of the slide groove, a slider slidably sleeved on the side wall of the slide rod, a first spring slidably sleeved on the side wall of the slide rod and above the slider, and a driven roller rotatably connected to the front end of the slider.

[0012] As a further optimization of the present invention, the detection device includes a fixed plate fixedly connected to the middle of the front end of the support plate, a fixed ring fixedly connected to the top of the fixed plate, a rotating ring hinged to one end of the fixed ring, three cylinders respectively provided on the inner walls of the fixed ring and the rotating ring, a marking pen fixedly connected to the output ends of the six cylinders respectively, and three detection mechanisms respectively provided on the side walls of the fixed ring and the rotating ring.

[0013] As a further optimization of the present invention, the detection mechanism includes a positioning frame fixedly connected to one side of the fixed ring, an electric telescopic rod rotatably connected to the side wall of the fixed ring, a rotating rod rotatably connected to the output end of the electric telescopic rod and rotatably connected to the inner wall of the positioning frame, a connecting plate fixedly connected to the other end of the rotating rod, two lighting lamps fixedly connected to the side wall of the connecting plate, and a detection camera fixedly connected to the middle of the side wall of the connecting plate.

[0014] A detection method for a cable insulation layer damage detection and positioning device includes the following steps: S1. First, pass one end of the cable through the toothed ring and move the driven roller so that the drive roller and the driven roller can clamp the side wall of the cable. At the same time, fix the rotating ring and the fixed ring with bolts and ensure that the cable is in the center position. S2. Turn on the servo motor so that it can drive the first transmission gear to rotate counterclockwise, thereby driving the gear ring to rotate. At this time, the mounting ring rotates synchronously with the gear ring. Since there is a second spring on the inner wall of the sleeve, the brush will be in contact with the side wall of the cable under the action of the second spring force. At this time, as the gear ring rotates, the brush will clean the surface of the cable. S3. As the first transmission gear rotates, it drives the transmission helical gear to rotate via the shaft. Due to the meshing of the driven helical gear and the transmission helical gear, the driven helical gear drives the second transmission gear to rotate. At this time, the second driven gear drives the transmission roller to rotate clockwise, thereby conveying the cable forward. Meanwhile, when the second driven gear drives the transmission roller to rotate, the rotation number sensor can be used to record the number of rotations of the transmission roller and mark the location range of the cable insulation layer damage. S4. During the transportation process, the extension and retraction of the electric telescopic rod is used to drive the rotating rod to rotate inside the positioning frame. At the same time, the side wall of the cable is illuminated by the lighting to take pictures and inspect the condition of the cable insulation layer. When a problem is detected, the cylinder is extended so that the marking pen can mark the damaged area of ​​the cable insulation layer. S5. After the entire cable section is inspected, the servo motor drives the first transmission gear to rotate clockwise and attaches one end of the film roll in the mounting frame to one end of the cable. At this time, the second driven gear will rotate counterclockwise, so that the cable can be transported in reverse. With the reverse transport of the cable, in conjunction with the rotation of the gear ring, a film can be wrapped on the side wall of the cable to achieve cable protection.

[0015] The beneficial effects of this invention are as follows: 1. In this invention, by setting a driving device and a cleaning film device, the servo motor can drive the first transmission gear to rotate counterclockwise, thereby driving the gear ring to rotate. At this time, the mounting ring rotates synchronously with the gear ring. Since a second spring is set on the inner wall of the sleeve, under the action of the second spring force, the brush will adhere to the side wall of the cable. At this time, as the gear ring rotates, the brush will clean the surface of the cable. After the entire cable is inspected, the servo motor drives the first transmission gear to rotate clockwise and adheres one end of the film roll in the mounting frame to one end of the cable. At this time, the second driven gear will rotate counterclockwise, so that the cable can be transported in reverse. With the reverse transport of the cable, in conjunction with the rotation of the gear ring, the cable can be cleaned. A thin film is wrapped around the sidewalls of the cable to protect it. A servo motor drives the cleaning and wrapping device and the conveying device, which effectively saves costs. At the same time, the sidewalls of the cable insulation layer are cleaned before cable inspection to avoid misjudgment during the inspection process. After inspection, the sidewalls of the cable can be wrapped to effectively protect the cable. After cleaning the cable surface, surface dust can be removed. After inspection and marking, the cable is wrapped to prevent the surface of the cable from accumulating dust again. When cleaning dust, the markings and dust are removed together, which makes it convenient for staff to find the markings. During maintenance and repair, staff can simply tear off the film to intuitively see the location of the markings.

[0016] 2. In this invention, by setting up a conveying device, as the first transmission gear rotates, it drives the transmission helical gear to rotate through the rotating shaft. Due to the meshing of the driven helical gear and the transmission helical gear, the driven helical gear drives the second transmission gear to rotate. At this time, the second driven gear drives the transmission roller to rotate clockwise, thereby realizing the forward conveying of the cable. A slide groove is opened at the front end of the support plate, and a slider is sleeved on the side wall of the slide rod inside the slide groove. A driven roller is rotatably set on the slider. By utilizing the cooperation between the transmission roller and the driven roller, the side wall of the cable can be effectively clamped and stably conveyed. At the same time, the movement adjustment of the driven roller can effectively increase the adaptability to cables of different specifications. Furthermore, by using a rotation sensor to record the number of rotations of the transmission roller, the location of the cable insulation layer damage can be effectively recorded, which is convenient for staff to quickly locate during maintenance and repair. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall structure from another perspective of the present invention; Figure 3 This is a schematic diagram of the overall structure of the transmission mechanism of the present invention; Figure 4 This is a schematic diagram of the overall structure of the driving device and the cleaning coating device of the present invention; Figure 5 This is a schematic diagram of the overall structure of the driving device and the cleaning coating device of the present invention from another perspective; Figure 6 This is an exploded structural diagram of the driving device and the cleaning coating device of the present invention; Figure 7 This is a schematic diagram of the overall structure of the cleaning coating device of the present invention; Figure 8 This is a schematic diagram of the overall structure of the brush of the present invention; Figure 9 This is a schematic diagram of the overall structure of the conveying device of the present invention; Figure 10 This is a schematic diagram of the overall structure of the conveying device of the present invention after an explosion; Figure 11 This is a schematic diagram of the overall structure of the detection device of the present invention; Figure 12 This is the present invention. Figure 10 Enlarged diagram of point A in the middle.

[0018] In the diagram: 1. Drive unit; 101. Servo motor; 102. First housing; 103. Second housing; 104. First driven gear; 105. First transmission gear; 2. Conveying device; 201. Support plate; 202. Driven roller; 203. Slide bar; 204. Second driven gear; 205. Second transmission gear; 206. Transmission roller; 207. Slide groove; 208. First spring; 209. Slider; 3. Cleaning and coating device; 301. Mounting bracket; 302. Support block; 303. Mounting ring; 304. Fixing element. 305. Rod; 306. Sleeve; 307. Second spring; 308. Brush; 309. Gear ring; 4. Detection device; 401. Electric telescopic rod; 402. Positioning frame; 403. Rotating rod; 404. Cylinder; 405. Fixed ring; 406. Rotating ring; 407. Marking pen; 408. Illumination lamp; 409. Connecting plate; 410. Detection camera; 5. Mounting shell; 6. Suction cup; 7. Control module; 8. Driven helical gear; 9. Transmission helical gear; 10. Rotating shaft; 11. Mounting block; 12. Fixed plate; 13. Rotation sensor. Detailed Implementation

[0019] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] Example: Figure 1 , Figure 2 and Figure 3As shown, a cable insulation layer damage detection and positioning device includes a mounting shell 5. A control module 7 is fixedly connected to the top of the mounting shell 5. The control module 7 is used to control the servo motor 101 and the detection device 4 in the drive device 1. Four suction cups 6 are fixedly connected to the bottom of the mounting shell 5. A conveying device 2 is provided at the front end of the mounting shell 5. The conveying device 2 is used to drive the cable to move. The detection device 4 is provided at the front end of the conveying device 2. A drive device 1 is provided on one side of the mounting shell 5. A cleaning and wrapping device 3 is provided inside the drive device 1. The drive device 1 is used to transmit power to the conveying device 2 and the cleaning and wrapping device 3. The cleaning and wrapping device 3 is used to clean the cable when it is conveyed in the forward direction and to wrap the side wall of the cable with a thin film when it is conveyed in the reverse direction. Figure 1 As shown in the diagram, the direction from left to right is positive, and the direction from right to left is negative.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, a mounting block 11 is fixedly connected to the front end of the inner wall of the mounting shell 5. A rotating shaft 10 is rotatably passed through the side wall of the mounting block 11. A transmission helical gear 9 is fixedly connected to one end of the rotating shaft 10. A driven helical gear 8 is rotatably connected to the front end of the inner wall of the mounting shell 5. The driven helical gear 8 meshes with the transmission helical gear 9. As the first transmission gear 105 rotates, it will drive the transmission helical gear 9 to rotate through the rotating shaft 10. Due to the meshing of the driven helical gear 8 and the transmission helical gear 9, the driven helical gear 8 drives the second transmission gear 205 to rotate. The servo motor 101 drives the cleaning and coating device 3 and the conveying device 2 to work, effectively saving costs.

[0022] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, the drive device 1 includes a second housing 103 fixedly connected to one side of the mounting housing 5. A first housing 102 is provided on one side of the second housing 103. A servo motor 101 is fixedly connected to one side of the first housing 102. The other end of the rotating shaft 10 rotatably passes through the inner wall of the mounting housing 5 and the side wall of the second housing 103 and is fixedly fitted with a first transmission gear 105. The output end of the servo motor 101 is fixedly connected to the other end of the rotating shaft 10. Two first driven gears 104 are rotatably connected to the inner wall of the first housing 102. Two first driven gears 104 are provided on the inner wall of the first housing 102 to drive the gear ring 308 to rotate and prevent the notch position of the gear ring 308 from being unable to rotate when it coincides with one of the first driven gears 104, effectively improving the stable rotation of the gear ring 308. The two first driven gears 104 mesh with the first transmission gear 105. The servo motor 101 can drive the first transmission gear 105 to rotate counterclockwise, thereby driving the gear ring 308 to rotate.

[0023] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the cleaning and coating device 3 includes a mounting ring 303 rotatably connected to the inner wall of the second housing 103. A gear ring 308 is fixedly connected to one side of the mounting ring 303. The gear ring 308 meshes with two first driven gears 104. Three fixing rods 304 are fixedly connected to the inner wall of the mounting ring 303. Sleeves 305 are slidably sleeved on the side walls of the three fixing rods 304 respectively. Second springs 306 are respectively provided between the fixing rods 304 and the sleeves 305. Brushes 307 are fixedly connected to one end of the three sleeves 305 respectively. Second springs 306 are provided on the inner wall of the sleeves 305. Under the action of the elastic force of the second springs 306, the brushes 307 will adhere to the side wall of the cable. At this time, as the gear ring 308 rotates, the brushes 307 will clean the surface of the cable.

[0024] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, a mounting bracket 301 is fixedly connected to one side of the gear ring 308, and a support block 302 is fixedly connected to the top of the mounting bracket 301. A groove is provided in the middle of the top of the support block 302 to support the sidewall of the cable and ensure that the film plays a good guiding role when the cable sidewall is covered with film. After the entire cable is inspected, the servo motor 101 drives the first transmission gear 105 to rotate clockwise and attaches one end of the film roll in the mounting bracket 301 to one end of the cable. At this time, the second driven gear 204 will rotate counterclockwise, so that the cable can be transported in reverse. With the reverse transport of the cable, in conjunction with the rotation of the gear ring 308, the film can be covered on the sidewall of the cable to protect the cable. Before the cable is inspected, the sidewall of the cable insulation layer is cleaned to avoid misjudgment during the inspection process. After the inspection is completed, the cable sidewall can also be wrapped with film to effectively protect the cable.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 9 , Figure 10 and Figure 12As shown, the conveying device 2 includes a support plate 201 fixedly connected to the front end of the mounting housing 5. A second transmission gear 205 is rotatably connected to the lower part of the front end of the support plate 201. One end of the fixed shaft in the middle of the second transmission gear 205 rotatably passes through the support plate 201 and is fixedly connected to the middle of the driven helical gear 8. Two driven gears 204 are rotatably connected to the two sides of the front end of the support plate 201, and the two driven gears 204 mesh with the side walls of the second transmission gear 205. Transmission rollers 206 are fixedly connected to the front ends of the two driven gears 204, and both the transmission rollers 206 and the driven rollers 202 are wheel-shaped structures with grooves on their side walls, used to engage the side walls of the cable, effectively improving the stability during conveying and preventing the cable from falling off during conveying. One of the second driven gears 204 One end of the central fixed shaft rotates through the support plate 201 and is fitted with a rotation sensor 13, which is fixedly connected to the inner wall of the mounting shell 5. The rotation sensor 13 records the number of rotations of the transmission roller 206, which can effectively record the location of the cable insulation layer damage. This facilitates quick location and marking of the damaged area during maintenance and repair. As the first transmission gear 105 rotates, it drives the transmission helical gear 9 to rotate through the rotating shaft 10. Due to the meshing of the driven helical gear 8 and the transmission helical gear 9, the driven helical gear 8 drives the second transmission gear 205 to rotate. At this time, the second driven gear 204 drives the transmission roller 206 to rotate clockwise, thereby realizing the forward transport of the cable.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 9 , Figure 10 and Figure 12 As shown, a groove 207 is provided on one side of the front end of the support plate 201. A slide rod 203 is fixedly connected to the top of the inner wall of the groove 207. A slider 209 is slidably sleeved on the side wall of the slide rod 203. A first spring 208 is slidably sleeved on the side wall of the slide rod 203 and above the slider 209. A driven roller 202 is rotatably connected to the front end of the slider 209. A groove 207 is provided at the front end of the support plate 201, and a slider 209 is sleeved on the side wall of the slide rod 203 inside the groove 207. A driven roller 202 is rotatably mounted on the slider 209. By utilizing the cooperation between the transmission roller 206 and the driven roller 202, the side wall of the cable can be effectively clamped and stably transported. At the same time, the movement adjustment of the driven roller 202 can effectively increase the adaptability to cables of different specifications.

[0027] like Figure 1 , Figure 2 , Figure 9 and Figure 11As shown, the detection device 4 includes a fixed plate 12 fixedly connected to the middle of the front end of the support plate 201. A fixed ring 405 is fixedly connected to the top of the fixed plate 12, and a rotating ring 406 is hinged to one end of the bottom of the fixed ring 405. The fixed ring 405 and the rotating ring 406 are fixed together by bolts. After fixing, the fixed ring 405 and the rotating ring 406 are fitted onto the side wall of the cable, which can effectively guide and stabilize the cable during transportation. Three cylinders 404 are respectively installed on the inner wall of the fixed ring 405 and the rotating ring 406. Marking pens 407 are fixedly connected to the output ends of the six cylinders 404 respectively. During transportation, the extension and retraction of the electric telescopic rod 401 drives the rotating rod 403 to rotate in the positioning frame 402. At the same time, the lighting lamp 408 illuminates the side wall of the cable to take pictures and detect the condition of the cable insulation layer. When a problem is detected, the cylinders 404 are extended so that the marking pen 407 can mark the damaged part of the cable insulation layer.

[0028] like Figure 1 , Figure 2 , Figure 9 and Figure 11 As shown, a positioning frame 402 is fixedly connected to one side of the fixed ring 405, and an electric telescopic rod 401 is rotatably connected to the side wall of the fixed ring 405. The electric telescopic rod 401 drives the rotating rod 403 to rotate, which can effectively expand the detection range. The detection camera 410 is an industrial camera used to photograph and detect the cable insulation layer. The output end of the electric telescopic rod 401 is rotatably connected to the rotating rod 403, which is rotatably connected to the inner wall of the positioning frame 402. The other end of the rotating rod 403 is fixedly connected to a connecting plate 409. Two lights 408 are fixedly connected to the side wall of the connecting plate 409, and the detection camera 410 is fixedly connected to the middle of the side wall of the connecting plate 409.

[0029] It should be noted that, in the detection method of this cable insulation layer damage detection and positioning device, one end of the cable is first passed through the toothed ring 308, and the driven roller 202 is moved so that the transmission roller 206 and the driven roller 202 can clamp the side wall of the cable. At the same time, the rotating ring 406 and the fixed ring 405 are fixed with bolts to ensure that the cable is in the center position. Turn on the servo motor 101 so that the servo motor 101 can drive the first transmission gear 105 to rotate counterclockwise, thereby driving the gear ring 308 to rotate. At this time, the mounting ring 303 rotates synchronously with the gear ring 308. Since the second spring 306 is provided on the inner wall of the sleeve 305, under the action of the elastic force of the second spring 306, the brush 307 will be in contact with the side wall of the cable. At this time, as the gear ring 308 rotates, the brush 307 will clean the surface of the cable. As the first transmission gear 105 rotates, it drives the transmission helical gear 9 to rotate via the rotating shaft 10. Due to the meshing of the driven helical gear 8 and the transmission helical gear 9, the driven helical gear 8 drives the second transmission gear 205 to rotate. At this time, the second driven gear 204 drives the transmission roller 206 to rotate clockwise, thereby conveying the cable forward. The cable passes between the fixed ring 405 and the rotating ring 406. At the same time, when the second driven gear 204 drives the transmission roller 206 to rotate, the rotation number sensor 13 can be used to record the number of rotations of the transmission roller 206 and mark the location range of the cable insulation layer damage. During the transport process, the extension and retraction of the electric telescopic rod 401 drives the rotating rod 403 to rotate within the positioning frame 402. At the same time, the lighting lamp 408 illuminates the side wall of the cable to take pictures and inspect the condition of the cable insulation layer. When damage to the cable insulation layer is detected, the cylinder 404 extends so that the marking pen 407 can mark the damaged area of ​​the cable insulation layer, making it easier for subsequent staff to find the damage point. After the entire cable is inspected, the servo motor 101 drives the first transmission gear 105 to rotate clockwise and attaches one end of the film roll in the mounting bracket 301 to one end of the cable. At this time, the second driven gear 204 will rotate counterclockwise, so that the cable can be transported in reverse. With the reverse transport of the cable, in conjunction with the rotation of the gear ring 308, a film can be wrapped on the side wall of the cable to protect the cable.

[0030] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A device for detecting and locating a break in an insulation layer of an electrical cable, comprising a mounting housing (5), characterised in that: The control module (7) is fixedly connected to the top end of the mounting shell (5), four suction cups (6) are fixedly connected to the bottom end of the mounting shell (5), a transmission mechanism is arranged on the inner wall of the mounting shell (5), a conveying device (2) is arranged at the front end of the mounting shell (5), the conveying device (2) is used for driving the cable to move, and a detection device (4) is arranged at the front end of the conveying device (2). A driving device (1) is arranged on one side of the mounting shell (5), a cleaning and coating device (3) is arranged in the driving device (1) in a matched mode, the driving device (1) is used for transmitting power to the conveying device (2) and the cleaning and coating device (3), the cleaning and coating device (3) is used for cleaning the cable when the cable is conveyed in a forward direction, and coating a film on the side wall of the cable when the cable is conveyed in a reverse direction.

2. The apparatus of claim 1, wherein: The transmission mechanism comprises a mounting block (11) fixedly connected to the front end of the inner wall of the mounting shell (5), a rotating shaft (10) rotatably penetrating the side wall of the mounting block (11), and a transmission bevel gear (9) fixedly connected to one end of the rotating shaft (10).

3. The apparatus of claim 2, wherein: The driving device (1) comprises a second shell (103) fixedly connected to one side of the mounting shell (5), a first shell (102) arranged on one side of the second shell (103), a servo motor (101) fixedly connected to one side of the first shell (102), the rotating shaft (10) rotatably penetrating the inner wall of the mounting shell (5) and the side wall of the second shell (103) and fixedly sleeving a first transmission gear (105), the output end of the servo motor (101) being fixedly connected to the other end of the rotating shaft (10), and the inner wall of the first shell (102) rotatably connecting two first driven gears (104) meshing with the first transmission gear (105).

4. The apparatus of claim 3, wherein: The cleaning and coating device (3) comprises a mounting ring (303) rotatably connected to the inner wall of the second shell (103), a gear ring (308) fixedly connected to one side of the mounting ring (303) and meshing with the two first driven gears (104), three fixed rods (304) fixedly connected to the inner wall of the mounting ring (303), three sleeves (305) respectively slidably sleeving the side walls of the three fixed rods (304), a second spring (306) arranged between the fixed rod (304) and the sleeve (305), a brush (307) fixedly connected to one end of each of the three sleeves (305), and a coating mechanism arranged on one side of the gear ring (308).

5. A device for detecting and locating a break in an insulation layer of an electrical cable according to claim 4, wherein: The coating mechanism comprises a mounting frame (301) fixedly connected to one side of the gear ring (308), and a supporting block (302) fixedly connected to the top end of the mounting frame (301).

6. The apparatus of claim 5, wherein: The conveying device (2) includes a support plate (201) fixedly connected with the front end of the mounting shell (5), a second transmission gear (205) rotatably connected to the lower part of the front end of the support plate (201), a fixed shaft of the middle part of the second transmission gear (205) rotatably penetrating through the support plate (201) and fixedly connected with the middle part of the driven bevel gear (8), and second driven gears (204) rotatably connected with the side walls of the second transmission gear (205) on both sides of the front end of the support plate (201), and transmission rollers (206) fixedly connected with the front ends of the two second driven gears (204), wherein a fixed shaft of the middle part of one of the second driven gears (204) rotatably penetrates through the support plate (201) and is rotatably sleeved with a number of sensors (13), and the number of sensors (13) are fixedly connected with the inner wall of the mounting shell (5), and two driven mechanisms are arranged on both sides of the front end of the support plate (201).

7. A device for detecting and locating a break in an insulation layer of an electrical cable according to claim 6, wherein: The driven mechanism includes a sliding groove (207) formed on one side of the front end of the support plate (201), a sliding rod (203) fixedly connected with the inner wall of the top end of the sliding groove (207), a sliding block (209) slidably sleeved with the side wall of the sliding rod (203), a first spring (208) slidably sleeved with the side wall of the sliding rod (203) and located above the sliding block (209), and a driven roller (202) rotatably connected with the front end of the sliding block (209).

8. The apparatus of claim 7, wherein: The detection device (4) includes a fixed plate (12) fixedly connected with the front end of the support plate (201), a fixed ring (405) fixedly connected with the top end of the fixed plate (12), a rotating ring (406) hinged to one end of the fixed ring (405), three air cylinders (404) arranged in the inner walls of the fixed ring (405) and the rotating ring (406), respectively, six mark pens (407) fixedly connected with the output ends of the six air cylinders (404), respectively, and three detection mechanisms arranged in the side walls of the fixed ring (405) and the rotating ring (406).

9. The apparatus of claim 8, wherein: The detection mechanism includes a positioning frame (402) fixedly connected with one side of the fixed ring (405), an electric telescopic rod (401) rotatably connected with the side wall of the fixed ring (405), a rotating rod (403) rotatably connected with the inner wall of the positioning frame (402) and rotatably connected with the output end of the electric telescopic rod (401), a connecting plate (409) fixedly connected with the other end of the rotating rod (403), two illuminating lamps (408) fixedly connected with the side wall of the connecting plate (409), and a detection camera (410) fixedly connected with the middle part of the side wall of the connecting plate (409).

10. A detection method of a cable insulation layer breakage detection and positioning device, based on the cable insulation layer breakage detection and positioning device of claim 9, characterized in that: The steps include: S1, first pass the cable through the gear ring (308), and rotate the driven roller (202), so that the transmission roller (206) and the driven roller (202) can clamp the side wall of the cable, at the same time, the rotating ring (406) and the fixed ring (405) are fixed by bolts, and it is ensured that the cable is in the center position; S2, open the servo motor (101), so that the servo motor (101) can drive the first transmission gear (105) to rotate counterclockwise, thereby driving the gear ring (308) to rotate, at this time the mounting ring (303) rotates synchronously with the gear ring (308), because the second spring (306) is arranged on the inner wall of the sleeve (305), under the action of the elastic force of the second spring (306), the brush (307) will be attached to the side wall of the cable, at this time, with the rotation of the gear ring (308), the brush (307) will clean the surface of the cable; S3, with the rotation of the first transmission gear (105), the transmission bevel gear (9) will be driven to rotate through the rotating shaft (10), because the driven bevel gear (8) is engaged with the transmission bevel gear (9), so as to drive the second transmission gear (205) to rotate, at this time, the second driven gear (204) will drive the transmission roller (206) to rotate clockwise, thereby realizing the forward conveying of the cable, at the same time, when the second driven gear (204) drives the transmission roller (206) to rotate, the number of turns sensor (13) can be used to record the number of turns of the transmission roller (206), and mark the position interval of the damage of the cable insulation layer; S4, in the conveying process, the rotation of the rotating rod (403) in the positioning frame (402) is driven by the extension and retraction of the electric telescopic rod (401), at the same time, the state of the cable insulation layer is detected by taking pictures under the illumination of the illuminating lamp (408), and when the problem is detected, the marking pen (407) can mark the damage of the cable insulation layer by using the extension of the cylinder (404); S5, after the whole cable detection is completed, the servo motor (101) drives the first transmission gear (105) to rotate clockwise, and one end of the film roll in the mounting frame (301) is attached to one end of the cable, at this time, the second driven gear (204) rotates counterclockwise, so that the cable can be conveyed in reverse, with the reverse conveying of the cable, the film can be coated on the side wall of the cable with the rotation of the gear ring (308), realizing the protection of the cable.

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