Aerial cable skin damage detection unmanned aerial vehicle

Abstract

The invention discloses a high-altitude cable skin damage detection unmanned aerial vehicle, and belongs to the technical field of high-altitude cable damage electric leakage detection equipment, and the high-altitude cable skin damage detection unmanned aerial vehicle comprises a remote control unmanned aerial vehicle, a clamping distance adjusting device, a climbing automatic tightening device, a detection equipment self-release structure and a cable electric leakage detection device. The invention provides a high-altitude cable skin damage detection unmanned aerial vehicle in order to overcome the defects that in the prior art, high-altitude cable electric leakage detection is difficult, and the flight stability and the detection safety distance of the unmanned aerial vehicle are difficult to consider. The problems that the flight stability of the unmanned aerial vehicle and the safety distance of detection equipment are difficult to consider, the detection efficiency is low and the safety is poor in aerial cable detection in the current market are effectively solved.

Description

Technical Field

[0001] This invention belongs to the technical field of high-altitude cable damage and leakage detection equipment, specifically referring to a drone for detecting damage to the outer sheath of high-altitude cables. Background Technology

[0002] As a critical carrier of power transmission, overhead cables are exposed to the natural environment for extended periods, making them susceptible to erosion from wind and rain, aging from sunlight, mechanical stress, and external impacts, leading to damage to their sheaths. If not inspected and repaired promptly, these damages can easily cause leaks, short circuits, or even fires, severely impacting the safe and stable operation of the power grid. Therefore, regular inspection of overhead cables for sheath damage is crucial. Once an overhead cable is damaged and leaks current, the fault location is often difficult to pinpoint visually. If the damaged area remains unrepaired for an extended period, it may worsen, ultimately leading to a major power accident or safety incident.

[0003] The existing patent application, with publication number CN114910818A and titled "A Cable Leakage Detection Device," classified under G01R31 / 52, allows for adjustment based on different cable diameters, expanding the device's applicability. Furthermore, an automatic feeding device enables cable movement without manual dragging, saving time and effort. However, this structure is only suitable for low-altitude cables. For cables where operators cannot easily access heights, this application cannot detect cable damage or leakage.

[0004] When using drones for high-altitude cable leakage detection, to ensure the stability of the drone's flight attitude, the center of gravity of the onboard detection equipment must always be directly below the drone. Simultaneously, when approaching the cable for leakage detection, it is crucial to effectively prevent arcing caused by excessive voltage to avoid damaging the drone equipment. Therefore, a safe distance must be maintained between the detection equipment and the drone. This contradicts the previous requirement of ensuring drone flight stability, and these issues need to be addressed. Summary of the Invention

[0005] In response to the above situation, and to overcome the shortcomings of existing technologies such as difficulty in detecting leakage current in high-altitude cables and the difficulty in balancing the flight stability of drones with the safe detection distance, this invention provides a drone for detecting damage to the outer sheath of high-altitude cables. This effectively solves the problems of difficulty in balancing the flight stability of drones with the safe distance of detection equipment, low detection efficiency, and poor safety in the current market for high-altitude cable detection.

[0006] The technical solution adopted by this invention is as follows: This invention provides a high-altitude cable sheath damage detection drone, including a remote-controlled drone, a clamping distance adjustment device, a climbing automatic tightening device, a detection equipment self-release structure, and a cable leakage detection device. The clamping distance adjustment device is fixedly installed on the bottom wall of the remote-controlled drone. The climbing automatic tightening device is fixedly connected to the clamping distance adjustment device. The detection equipment self-release structure engages and slides on the climbing automatic tightening device. The clamping distance adjustment device moves towards the centerline of the remote-controlled drone. The climbing automatic tightening device clamps the cable, causing the detection equipment self-release structure to slide out from the climbing automatic tightening device, thereby ensuring that the center of gravity of the drone is always directly below it during flight. The cable leakage detection device is engaged and installed on the detection equipment self-release structure.

[0007] Furthermore, the clamping distance adjustment device includes an adjustment housing, an adjustment gear, an adjustment rack, and a fixed bracket. The adjustment housing is fixedly installed on the bottom wall of the remote-controlled drone. The adjustment gear is engaged and rotatably disposed within the adjustment housing. The adjustment rack meshes with the adjustment gear and slides horizontally within the adjustment housing. The fixed bracket is fixedly installed on the adjustment rack and is fixedly connected to the automatic climbing tightening device. The interval distance between the two sets of automatic climbing tightening devices is changed through the meshing of the rack and gear.

[0008] Furthermore, the fixed bracket is equipped with an external power supply and a central processing unit, and the adjusting gear is driven by a motor.

[0009] Furthermore, the automatic tightening climbing device includes an arc-shaped outer plate, a lead screw, a nut, a bending bracket, a bending sleeve, a hinge joint, a limiting groove, and a primary tightening clamp. The arc-shaped outer plate is fixedly connected to the fixed bracket. The lead screw engages and rotates on the arc-shaped outer plate. The nut is threadedly connected to the lead screw and engages and slides on the arc-shaped outer plate. The nut has a groove, and the arc-shaped outer plate has a retaining strip to ensure that the nut slides in a straight line on the arc-shaped outer plate. The bending bracket is fixedly installed on the side wall of the nut. The bending sleeve engages and slides with the bending bracket. The hinge joint is hinged to the bending sleeve. The limiting groove is provided on the arc-shaped outer plate, and the hinge joint slides along the limiting groove. The primary tightening clamp is fixedly installed on the side wall of the hinge joint. As the nut slides, the position of the primary tightening clamp changes, causing the primary tightening clamp to move towards the center of the arc-shaped outer plate.

[0010] Furthermore, the automatic climbing tightening device also includes a cable contact plate, a clamping rack, a feedback adjusting gear, a feedback rack, a climbing limiting shell, climbing rollers, and a shell limiting bracket. The cable contact plate engages and slides on the primary tightening clamp, the clamping rack is fixedly mounted on the cable contact plate, the feedback adjusting gear engages and rotates within the primary tightening clamp, the feedback rack engages and slides within the primary tightening clamp, both the feedback rack and the clamping rack are meshed with the feedback adjusting gear, the shell limiting bracket is fixedly connected to the feedback rack, the climbing limiting shell is fixedly connected to the shell limiting bracket, and the climbing rollers engage and rotate within the climbing limiting shell.

[0011] Furthermore, the climbing rollers are driven by a motor, and the cable contact plate is equipped with rollers to reduce the frictional resistance between the cable contact plate and the cable.

[0012] Furthermore, the arc-shaped outer plate is provided in two sets, with a connecting plate between the two sets of arc-shaped outer plates. The connecting plate has an electromagnetic limiting groove, within which a multi-tooth limiting plate is provided. The side wall of the outer shell limiting bracket has limiting teeth, which contact and connect with the multi-tooth limiting plate. When the limiting teeth slide on the multi-tooth limiting plate, the multi-tooth limiting plate ensures that the limiting teeth can only slide in one direction. Electromagnets are provided in both the electromagnetic limiting groove and the multi-tooth limiting plate. When the two sets of electromagnets are energized, they attract each other. A spring is installed between the groove and the multi-tooth limiting plate. The above structure ensures that after the nut slides, the primary tightening clamp moves closer to the cable. After the cable contact plate presses the cable, it gives the clamp rack reverse kinetic energy. The feedback rack moves towards the center of the arc-shaped outer plate under the meshing action of the feedback adjustment gear. The climbing limiting shell moves closer to the cable. During this process, the limiting teeth on the shell limiting bracket slide in the electromagnetic limiting groove. The multi-tooth limiting plate prevents the shell limiting bracket from moving in the opposite direction, ensuring the stability of the climbing limiting shell position during the movement of the UAV along the cable.

[0013] Furthermore, the self-release structure of the detection device includes an extension bracket, an outwardly expanding limiting slot, a kinetic energy transmission rack, an external fixing plate, an external gear, and a hidden rack plate. The extension bracket is fixedly installed on the primary tightening clamp, the outwardly expanding limiting slot is disposed on the arc-shaped external plate, and the extension bracket slides along the outwardly expanding limiting slot when the primary tightening clamp slides. The kinetic energy transmission rack is fixedly disposed on the portion of the extension bracket outside the arc-shaped external plate, the external fixing plate is fixedly disposed on the arc-shaped external plate, the external gear is engaged and rotated on the external fixing plate, and the hidden rack plate is horizontally engaged and slid on the external fixing plate. The hidden rack plate and the external fixing plate are respectively meshed and connected with the external gear.

[0014] Furthermore, a camera is provided on the bottom wall of the hidden rack plate, and the camera is connected to the central processing unit for data transmission.

[0015] Furthermore, the cable leakage detection device includes a protective detection clamp, a leakage protection contact, and a contact limiting clamp. The protective detection clamp is engaged and slidably connected to a hidden rack plate. The hidden rack plate and the protective detection clamp are connected by a spring. The leakage protection contact is engaged and slidably connected to the protective detection clamp. The contact limiting clamp is horizontally engaged and slidably on the inner wall of the protective detection clamp. The side wall of the leakage protection contact is provided with a protruding ridge. The contact limiting clamp is engaged and contacted with the leakage protection contact. Both the contact limiting clamp and the protective detection clamp are provided with electromagnets. The two sets of electromagnets attract each other. The contact limiting clamp and the protective detection clamp are connected by a spring. The protective detection clamp is provided with a laser emitter and a laser receiver. Both the laser emitter and the laser receiver are connected to the central processing unit. The laser emitter and the laser receiver are respectively located on both sides of the leakage protection contact.

[0016] Furthermore, the leakage protection contact is equipped with a conductive plate, a buzzer, an air switch, and a blocking lever. The conductive plate is fixedly mounted on the bottom wall of the leakage protection contact, and the buzzer is mounted on the top wall of the leakage protection contact. The air switch is electrically connected to the conductive plate, and the blocking lever is fixedly mounted on the operating handle of the air switch. When the blocking lever falls, it blocks the signal between the laser emitter and the laser receiver, causing the two sets of electromagnets on the protection detection clamp to be energized and attracted. The leakage protection contact can then detach from the protection detection clamp, preventing cable arcing from damaging the drone. The bottom wall of the leakage protection contact is equipped with a brush to clean the attachments on the cable. When the conductive plate contacts the leakage point on the cable, the circuit is energized, the buzzer sounds an alarm, and if the voltage is too high, the operating handle of the air switch falls, the blocking lever falls, the leakage protection contact separates from the protection detection clamp, and the drone quickly escapes the cable leakage area.

[0017] Furthermore, the width of the external gear is greater than the sum of the widths of the hidden rack plate and the kinetic energy transmission rack.

[0018] Furthermore, the climbing limiting shell engages and slides on the primary tightening clamp.

[0019] This solution provides a drone for detecting damage to the outer sheath of high-altitude cables, which has the following advantages: (1) This application enables the UAV to fly stably with the cable by means of the synergistic action of the clamping distance adjustment device and the climbing automatic tightening device; when the device clamps the cable, the detection equipment self-release structure can automatically push the cable leakage detection device horizontally away from the UAV body; this design cleverly extends the detection equipment to a safe distance, effectively avoids the threat of high voltage arc to the core components of the UAV, and at the same time ensures that the center of gravity of the UAV is always located directly below it during flight, fundamentally solving the contradiction between the detection safety distance and flight stability; (2) This application has the function of automatic climbing and adaptive tightening along the cable. The automatic climbing tightening device drives the primary tightening clamp to move towards the cable through the screw and nut mechanism. After the cable contact plate contacts the cable, the climbing limit shell and climbing roller are automatically controlled to further approach the cable and lock through the rack and pinion feedback mechanism, thereby realizing the stable climbing of the UAV on the cable. The whole process does not require continuous and precise flight control operation, which greatly reduces the difficulty of operation, improves the adaptability to different cable diameters, and realizes efficient and automated inspection operation along the line. (3) This application integrates an intelligent leakage detection and emergency disconnection safety mechanism. The leakage protection contact in the cable leakage detection device can sound an alarm through a buzzer when leakage is detected; when encountering dangerous high voltage, the air switch trips and drives the shielding lever to activate, triggering the electromagnet on the protective detection clamp to release the leakage protection contact, so that the detection head can quickly detach from the UAV; this design can not only complete damage detection and location, but also actively discard the detection head in extreme cases, protecting the main body of the UAV to quickly evacuate from the dangerous area, significantly improving the safety and reliability of the entire detection system. Attached Figure Description

[0020] Figure 1 A perspective view of a drone for detecting high-altitude cable sheath damage provided by the present invention; Figure 2 A top view of a drone for detecting high-altitude cable sheath damage provided by the present invention; Figure 3 This invention provides a front view of an unmanned aerial vehicle (UAV) for detecting damage to the outer sheath of high-altitude cables. Figure 4 Left view of a drone for detecting high-altitude cable sheath damage provided by the present invention; Figure 5 A schematic diagram of the connection structure between the clamping distance adjustment device and the automatic climbing tightening device; Figure 6 A schematic diagram of the connection structure of the automatic climbing tightening device; Figure 7 A schematic diagram of the connection structure between the bending support and the bending sleeve; Figure 8 A schematic diagram of the connection structure between the electromagnetic limiting groove and the multi-tooth limiting plate; Figure 9 A schematic diagram of the connection structure between the automatic climbing tightening device and the detection equipment's self-release structure. Figure 10 This is a schematic diagram of the cable leakage detection device. Figure 11 for Figure 6 A magnified view of part A in the middle; Figure 12 for Figure 6A magnified view of part B in the middle section; Figure 13 This is a flowchart illustrating the operation of a cable leakage current detection device.

[0021] The components include: 1. Remote-controlled drone; 2. Clamping distance adjustment device; 3. Climbing automatic tightening device; 4. Detection equipment self-release structure; 5. Cable leakage detection device; 6. Adjusting housing; 7. Adjusting gear; 8. Adjusting rack; 9. Fixed bracket; 10. Arc-shaped external plate; 11. Lead screw; 12. Nut; 13. Bending bracket; 14. Bending sleeve; 15. Hinge joint; 16. Limiting slide groove; 17. Primary tightening clamp; 18. Cable contact plate; 19. Clamping rack; 20. Feedback adjusting gear. 21. Feedback rack, 22. Climbing limit housing, 23. Climbing roller, 24. Housing limit bracket, 25. Electromagnetic limit groove, 26. Multi-tooth limit plate, 27. Limiting tooth, 28. Extension bracket, 29. Outer expansion limit slot, 30. Kinetic energy transmission rack, 31. External fixing plate, 32. External gear, 33. Hidden rack plate, 34. Protective detection clip, 35. Leakage protection contact, 36. Contact limit clamp, 37. Conductive sheet, 38. Buzzer, 39. Air switch, 40. Blocking lever.

[0022] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0024] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0025] like Figures 1-13As shown, the present invention provides a high-altitude cable sheath damage detection drone, including a remote-controlled drone 1, a clamping distance adjustment device 2, a climbing automatic tightening device 3, a detection equipment self-release structure 4, and a cable leakage detection device 5. The clamping distance adjustment device 2 is fixedly installed on the bottom wall of the remote-controlled drone 1. The climbing automatic tightening device 3 is fixedly connected to the clamping distance adjustment device 2. The detection equipment self-release structure 4 engages and slides on the climbing automatic tightening device 3. The climbing automatic tightening device 3 clamps the cable, causing the detection equipment self-release structure 4 to slide out from the climbing automatic tightening device 3. The cable leakage detection device 5 is engaged and installed on the detection equipment self-release structure 4.

[0026] The clamping distance adjustment device 2 includes an adjustment housing 6, an adjustment gear 7, an adjustment rack 8, and a fixed bracket 9. The adjustment housing 6 is fixedly installed on the bottom wall of the remote-controlled drone 1. The adjustment gear 7 is engaged and rotated inside the adjustment housing 6. The adjustment rack 8 meshes with the adjustment gear 7 and slides horizontally inside the adjustment housing 6. The fixed bracket 9 is fixedly installed on the adjustment rack 8 and is fixedly connected to the climbing automatic tightening device 3.

[0027] The fixed bracket 9 is equipped with an external power supply and a central processing unit, and the adjusting gear 7 is driven by a motor.

[0028] The automatic tightening climbing device 3 includes an arc-shaped outer plate 10, a lead screw 11, a nut 12, a bending bracket 13, a bending sleeve 14, a hinge joint 15, a limiting slide groove 16, and a primary tightening clamp 17. The arc-shaped outer plate 10 is fixedly connected to the fixed bracket 9. The lead screw 11 engages and rotates on the arc-shaped outer plate 10. The lead screw 11 is driven by a motor. The nut 12 is threadedly connected to the lead screw 11 and engages and slides on the arc-shaped outer plate 10. The bending bracket 13 is fixedly installed on the side wall of the nut 12. The bending sleeve 14 engages and slides with the bending bracket 13. The hinge joint 15 is hinged to the bending sleeve 14. The limiting slide groove 16 is provided on the arc-shaped outer plate 10. The hinge joint 15 slides along the limiting slide groove 16. The primary tightening clamp 17 is fixedly installed on the side wall of the hinge joint 15.

[0029] The automatic climbing tightening device 3 also includes a cable contact plate 18, a clamping rack 19, a feedback adjusting gear 20, a feedback rack 21, a climbing limiting shell 22, a climbing roller 23, and a shell limiting bracket 24. The cable contact plate 18 engages and slides on the primary tightening clamping plate 17. The clamping rack 19 is fixedly mounted on the cable contact plate 18. The feedback adjusting gear 20 engages and rotates within the primary tightening clamping plate 17. The feedback rack 21 engages and slides within the primary tightening clamping plate 17. Both the feedback rack 21 and the clamping rack 19 are meshed and connected to the feedback adjusting gear 20. The shell limiting bracket 24 is fixedly connected to the feedback rack 21. The climbing limiting shell 22 is fixedly connected to the shell limiting bracket 24. The climbing roller 23 engages and rotates within the climbing limiting shell 22.

[0030] The climbing roller 23 is driven by a motor, and the cable contact plate 18 is equipped with rollers.

[0031] Two sets of arc-shaped outer plates 10 are provided, and a connecting plate is provided between the two sets of arc-shaped outer plates 10. An electromagnetic limiting groove 25 is provided on the connecting plate, and a multi-tooth limiting plate 26 is provided inside the electromagnetic limiting groove 25. A limiting tooth 27 is provided on the side wall of the outer shell limiting bracket 24. The limiting tooth 27 is in contact with the multi-tooth limiting plate 26. A spring is provided between the electromagnetic limiting groove 25 and the multi-tooth limiting plate 26.

[0032] The self-release structure 4 of the testing equipment includes an extension bracket 28, an outward expansion limiting slot 29, a kinetic energy transmission rack 30, an external fixing plate 31, an external gear 32, and a hidden rack plate 33. The extension bracket 28 is fixedly installed on the primary tightening clamp 17. The outward expansion limiting slot 29 is set on the arc-shaped external plate 10. The extension bracket 28 slides along the outward expansion limiting slot 29 when the primary tightening clamp 17 slides. The kinetic energy transmission rack 30 is fixedly installed on the extension bracket 28. The external fixing plate 31 is fixedly installed on the arc-shaped external plate 10. The external gear 32 is engaged and rotated on the external fixing plate 31. The hidden rack plate 33 is horizontally engaged and slid on the external fixing plate 31. The hidden rack plate 33 and the external fixing plate 31 are respectively engaged and connected with the external gear 32.

[0033] A camera is installed on the bottom wall of the hidden rack plate 33, and the camera is connected to the central processing unit for data transmission.

[0034] The cable leakage current detection device 5 includes a protective detection clamp 34, a leakage current protection contact 35, and a contact limiting clamp 36. The protective detection clamp 34 is engaged and slidably connected to a hidden rack plate 33. The hidden rack plate 33 and the protective detection clamp 34 are connected by a spring. The leakage current protection contact 35 is engaged and slidably connected to the protective detection clamp 34. The contact limiting clamp 36 is horizontally engaged and slidably connected on the inner wall of the protective detection clamp 34. The side wall of the leakage current protection contact 35 is provided with a protruding ridge. The contact limiting clamp 36 is engaged and contacted with the leakage current protection contact 35. Both the contact limiting clamp 36 and the protective detection clamp 34 are provided with electromagnets. The two sets of electromagnets attract each other. The contact limiting clamp 36 and the protective detection clamp 34 are connected by a spring. The protective detection clamp 34 is provided with a laser emitter and a laser receiver. Both the laser emitter and the laser receiver are connected to the central processing unit. The laser emitter and the laser receiver are respectively located on both sides of the leakage current protection contact 35.

[0035] The leakage protection contact 35 is equipped with a conductive sheet 37, a buzzer 38, an air switch 39, and a blocking lever 40. The conductive sheet 37 is fixedly installed on the bottom wall of the leakage protection contact 35, the buzzer 38 is installed on the top wall of the leakage protection contact 35, the air switch 39 is electrically connected to the conductive sheet 37, and the blocking lever 40 is fixedly installed on the operating handle of the air switch 39. When the blocking lever 40 falls, it blocks the signal between the laser transmitter and the laser receiver. A brush is provided on the bottom wall of the leakage protection contact 35.

[0036] The width of the external gear 32 is greater than the sum of the widths of the hidden rack plate 33 and the kinetic energy transmission rack 30.

[0037] The climbing limit shell 22 engages and slides on the primary tightening clamp 17.

[0038] In actual use, the remote-controlled drone 1 is flown to the cable and the cable is placed between the two sets of climbing automatic tightening devices 3. The adjusting gear 7 in the clamping distance adjusting device 2 rotates, the two sets of adjusting racks 8 slide horizontally, the arc-shaped outer plate 10 moves closer to the cable and restricts the cable at the center of the arc-shaped outer plate 10. When the lead screw 11 rotates, the nut 12 slides on the arc-shaped outer plate 10, the bending bracket 13 is displaced, the bending bracket 13 slides inside the bending sleeve 14, and the bending sleeve 14 slides along the direction of the limiting slide groove 16. The primary tightening clamp 17 moves towards the direction of the cable, and the cable contact plate 18 moves towards the cable together with the primary tightening clamp 17. The primary tightening clamp 17 is pushed by the mechanical force of the bending sleeve 14. The cable contact plate 18 is driven by gear and rack meshing. The friction between the clamp rack 19 and the feedback adjustment gear 20 is less than the pressure of the bending sleeve 14 on the primary tightening clamp 17. Therefore, after the cable contact plate 18 contacts the cable, the clamp rack 19 slides, the feedback adjustment gear 20 rotates, the feedback rack 21 slides, the climbing limiting shell 22 slides along the primary tightening clamp 17, and the climbing roller 23 moves towards the direction of the cable. As the primary tightening clamp 17 moves toward the cable, the extension bracket 28 moves along with it. The extension bracket 28 slides within the outward expansion limiting slot 29. The kinetic energy transmission rack 30 slides vertically down and meshes with the external gear 32. With the hidden rack plate 33 meshing with the external gear 32, the hidden rack plate 33 slides horizontally out of the arc-shaped outer plate 10. The camera and the cable leakage detection device 5 on the bottom wall of the hidden rack plate 33 slide outward, creating a safe distance between the cable leakage detection device 5 and the drone. After the hidden rack plate 33 slides out from the arc-shaped outer plate 10, the climbing roller 23 also comes into contact with the cable. The climbing roller 23 rotates, causing the drone to crawl on the cable. When the leakage protection contact 35 moves along the cable, the spring at the connection between the protection detection clip 34 and the hidden rack plate 33 presses the leakage protection contact 35 toward the cable to ensure that the leakage protection contact 35 can be in close contact with the cable. When the leakage protection contact 35 crawls along the low-voltage line for detection, if the conductive piece 37 comes into contact with the damaged part of the cable, the conductive piece 37 will be energized and transmit the power to the buzzer 38, and the buzzer 38 will sound. When the leakage protection contact 35 moves on the high-voltage line, the conductive sheet 37 of the metal material comes into contact with the damaged area. The conductive sheet 37 is energized to a voltage exceeding that of the buzzer 38 and the air switch 39, causing the air switch 39 to open. At the same time as the operating handle on the air switch 39 moves, the blocking lever 40 moves, blocking the data transmission between the laser emitter and the laser receiver. The signal is interrupted. After the central processing unit receives the signal, the electromagnet on the protection detection clamp 34 is energized and attracted, and the contact limit clamp 36 separates from the leakage protection contact 35. The drone crawls away from the power failure area in the opposite direction, thereby preventing the electronic equipment in the drone from being damaged by electric arc. When no copper core of the cable is exposed or leaking current in the detection line, the camera at the bottom of the hidden rack plate 33 transmits the image data of the cable surface damage to the central processing unit. After being processed by the central processing unit, it is sent to the monitor of the inspection personnel below. When the drone needs to detach from the cable, first control the electromagnet in the electromagnetic limiting groove 25 to be energized and attracted, the multi-tooth limiting plate 26 and the limiting tooth 27 separate, then the nut 12 slides to move the primary tightening clamp 17 away from the cable, the hidden rack plate 33 returns to the arc-shaped outer plate 10, the adjusting rack 8 separates to both sides, and the remote-controlled drone 1 takes off vertically and detaches from the cable.

[0039] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] 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 spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. An aerial cable skin damage detection drone, characterized in that: Including remote control unmanned aerial vehicle (1), clamping distance adjusting device (2), climbing automatic tightening device (3), detection equipment self-release structure (4) and cable leakage detection device (5), the clamping distance adjusting device (2) is fixedly arranged on the bottom wall of remote control unmanned aerial vehicle (1), the climbing automatic tightening device (3) is fixedly connected with clamping distance adjusting device (2), the detection equipment self-release structure (4) is engaged and slides on the climbing automatic tightening device (3), the cable is clamped by the climbing automatic tightening device (3), and the detection equipment self-release structure (4) is slid out of the climbing automatic tightening device (3), the cable leakage detection device (5) is engaged and installed on the detection equipment self-release structure (4), and the clamping distance adjusting device (2) is provided with an external power supply and a central processing unit.

2. The aerial cable skin damage detection UAV of claim 1, wherein: The climbing automatic tightening device (3) includes an arc-shaped external plate (10), a lead screw (11), a nut (12), a curved bracket (13), a curved sleeve (14), a hinge joint (15), a limiting sliding groove (16), a primary tightening clamp plate (17), the arc-shaped external plate (10) is fixedly connected with the clamping distance adjusting device (2), the lead screw (11) is rotatably clamped on the arc-shaped external plate (10), the nut (12) is threadedly connected with the lead screw (11), and the nut (12) is slidably clamped on the arc-shaped external plate (10), the curved bracket (13) is fixedly installed on the side wall of the nut (12), the curved sleeve (14) is slidably connected with the curved bracket (13), the hinge joint (15) is hingedly connected with the curved sleeve (14), the limiting sliding groove (16) is arranged on the arc-shaped external plate (10), the hinge joint (15) slides along the limiting sliding groove (16), and the primary tightening clamp plate (17) is fixedly installed on the side wall of the hinge joint (15).

3. The aerial cable skin damage detection drone according to claim 2, wherein: The climbing automatic tightening device (3) further includes a cable contact pressure plate (18), a clamp plate rack (19), a feedback adjusting gear (20), a feedback rack (21), a climbing limiting shell (22), a climbing roller (23) and a shell limiting support (24), the cable contact pressure plate (18) is slidably clamped on the primary tightening clamp plate (17), the clamp plate rack (19) is fixedly arranged on the cable contact pressure plate (18), the feedback adjusting gear (20) is rotatably clamped in the primary tightening clamp plate (17), the feedback rack (21) is slidably clamped in the primary tightening clamp plate (17), the feedback rack (21) and the clamp plate rack (19) are rotatably connected with the feedback adjusting gear (20), the shell limiting support (24) is fixedly connected with the feedback rack (21), the climbing limiting shell (22) is fixedly connected with the shell limiting support (24), and the climbing roller (23) is rotatably clamped in the climbing limiting shell (22); the climbing roller (23) is driven by a motor, and the cable contact pressure plate (18) is provided with a roller.

4. The aerial cable skin damage detection drone according to claim 3, wherein: The arc-shaped external plate (10) is provided with two groups, and the two groups of arc-shaped external plates (10) are provided with a connecting plate, the connecting plate is provided with an electromagnetic limiting groove (25), the electromagnetic limiting groove (25) is provided with a multi-tooth limiting plate (26), the side wall of the shell limiting support (24) is provided with a limiting tooth (27), the limiting tooth (27) is connected with the multi-tooth limiting plate (26), and the electromagnetic limiting groove (25) and the multi-tooth limiting plate (26) are provided with a spring.

5. The aerial cable skin damage detection drone according to claim 4, wherein: The detection device self-releasing structure (4) comprises an extension support (28), an outward limiting clamping groove (29), a kinetic energy transmission rack (30), an external fixed plate (31), an external gear (32), a hidden rack plate (33), the extension support (28) is fixedly installed on the primary tightening clamping plate (17), the outward limiting clamping groove (29) is arranged on the arc-shaped external plate (10), the extension support (28) slides along the outward limiting clamping groove (29) when the primary tightening clamping plate (17) slides, the kinetic energy transmission rack (30) is fixedly arranged on the extension support (28), the external fixed plate (31) is fixedly arranged on the arc-shaped external plate (10), the external gear (32) is rotatably clamped on the external fixed plate (31), the hidden rack plate (33) is horizontally clamped and slides on the external fixed plate (31), and the hidden rack plate (33) and the kinetic energy transmission rack (30) are respectively connected with the external gear (32) in meshing connection; a camera is arranged on the bottom wall of the hidden rack plate (33), and the camera is connected with the central processing unit in data connection.

6. The aerial cable skin damage detection drone according to claim 5, wherein: The cable leakage detection device (5) comprises a protection detection clamp (34), a leakage protection contact (35) and a contact limiting clamping plate (36), the protection detection clamp (34) is connected with the hidden rack plate (33) in clamping and sliding connection, the hidden rack plate (33) and the protection detection clamp (34) are connected by a spring, the leakage protection contact (35) is connected with the protection detection clamp (34) in clamping and sliding connection, the contact limiting clamping plate (36) is horizontally clamped and slides on the inner wall of the protection detection clamp (34), the side wall of the leakage protection contact (35) is provided with a convex edge, the contact limiting clamping plate (36) is connected with the leakage protection contact (35) in clamping and contact connection, electromagnets are arranged on the contact limiting clamping plate (36) and the protection detection clamp (34), the two electromagnets are attracted to each other, the contact limiting clamping plate (36) and the protection detection clamp (34) are connected by a spring, a laser emitter and a laser receiver are arranged on the protection detection clamp (34), and the laser emitter and the laser receiver are connected with the central processing unit in data connection.

7. The aerial cable skin damage detection drone according to claim 6, wherein: The leakage protection contact (35) is provided with a conductive sheet (37), a buzzer (38), an air switch (39) and a shielding tab (40). The conductive sheet (37) is fixedly arranged on the bottom wall of the leakage protection contact (35). The buzzer (38) is arranged on the top wall of the leakage protection contact (35). The air switch (39) is electrically connected with the conductive sheet (37). The shielding tab (40) is fixedly installed on the operating handle of the air switch (39). When the shielding tab (40) falls, the signals between the laser emitter and the laser receiver are blocked. The bottom wall of the leakage protection contact (35) is provided with a brush.

8. The aerial cable skin damage detection drone according to claim 7, characterized in that: The clamping distance adjusting device (2) comprises an adjusting casing (6), an adjusting gear (7), an adjusting rack (8) and a fixing support (9). The adjusting casing (6) is fixedly installed on the bottom wall of the remote control unmanned aerial vehicle (1). The adjusting gear (7) is rotatably arranged in the adjusting casing (6). The adjusting rack (8) is in mesh with the adjusting gear (7), and the adjusting rack (8) horizontally slides in the adjusting casing (6). The fixing support (9) is fixedly installed on the adjusting rack (8). The fixing support (9) is fixedly connected with the arc-shaped external plate (10).

9. The aerial cable skin damage detection drone according to claim 8, wherein: The adjusting gear (7) is driven by a motor. The width of the external gear (32) is greater than the sum of the width of the hidden rack plate (33) and the width of the kinetic energy transmission rack (30). The climbing limiting shell (22) is clamped and slides on the primary tightening clamping plate (17).

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