Suspension insulator zero value detection device based on unmanned aerial vehicle throwing and hanging

Abstract

The invention discloses a suspension insulator zero-value detection device based on unmanned aerial vehicle throwing and hanging, and relates to the technical field of insulator zero-value detection, the suspension insulator zero-value detection device comprises an insulating rod main body, a suspension insulator, a vertical lead screw transmission mechanism, a lifting seat, a connecting plate and an optical fiber receiving discharge detection device, and also comprises a fixing mechanism arranged at the top of the insulating rod main body; the driving mechanism is arranged on the connecting plate; and the detection mechanism is arranged on the connecting plate. The detection mechanism comprises two groups of detection feeler levers which are longitudinally arranged at intervals, and the suspension insulator is located between the two groups of detection feeler levers; and wiping mechanisms are arranged on the outer walls of the two groups of detection feeler levers. In the process of detecting the two adjacent insulators of the suspension insulator, the effect of firstly positioning and then detecting can be realized, and then the sliding block slides to drive the sponge block to wipe the position where the detection feeler lever is about to contact in the detection process, so that the influence of impurities such as dust on the surface of the insulator on the detection accuracy is avoided.

Description

Technical Field

[0001] This invention relates to the field of zero-value detection technology for insulators, specifically to a zero-value detection device for suspension insulators based on drone-launched deployment. Background Technology

[0002] Insulators are key devices in power systems used to support conductors and provide insulation, widely used in transmission lines, substations, and other applications. Their main functions are electrical insulation and mechanical fixation, ensuring the safe and stable operation of the power system. During long-term operation, insulators may experience a decline in insulation performance or even failure (i.e., a "zero-value" state) due to factors such as aging, surface contamination, mechanical damage, and lightning strikes. Zero-value insulators cannot effectively withstand voltage, leading to a reduction in line insulation levels and potentially causing problems such as partial discharge and flashover. To prevent power accidents, inspecting and replacing zero-value insulators can avoid such incidents. Regular zero-value testing can monitor the health status of insulators, providing a basis for equipment maintenance and replacement, reducing the number of outages caused by insulator problems, and ensuring a continuous and stable power supply to the power system. The State Grid Inner Mongolia East Power Grid operates 2.8 million porcelain insulators and 2.03 million linear suspension porcelain insulators on its transmission lines. Traditional testing equipment includes tension horizontal creeping porcelain insulator zero-value testing equipment, but this equipment cannot test vertical suspension string porcelain insulators.

[0003] Building upon previous research into live-line working technologies, a UAV-based live-line working detection method and tools were developed, providing effective support for the development of live-line working. The UAV deploys the detection device to the crossarm support. The spark gap sensor's detection contacts, coordinated by a rotary motion controller and a linear motion controller, descend along the insulating rod, detecting each insulator piece individually. Simultaneously, the device transmits visualized video back to a handheld controller. The rotary controller receives the output status information from the discharge detection device via fiber optic cable and automatically transmits it to the handheld controller for digital display, analysis, recording, alarming, and storage. During the research, the spacing between the steel caps of each insulator was determined to set the spacing of the detection contacts. The design of the action was optimized using a simulated manual detection method, employing two flexible steel wires to measure the zero value between two adjacent insulators. The principle involves rotating the detection wires to perform longitudinal, layer-by-layer detection on adjacent insulators.

[0004] In the existing technology, after the detection device is thrown onto the crossarm head by a drone, the device is not effectively positioned. During the detection, the detection steel wire is driven by a rotary motion controller to make contact detection between two adjacent insulators. The throwing method makes the device prone to slight shaking due to factors such as wind force during detection, which may cause gaps between the detection steel wire and the insulator. This reduces the stability of the detection device and affects the accuracy of the detection results.

[0005] To address the aforementioned issues, there is an urgent need for innovative design based on the existing zero-value detection device for suspension insulators dropped by drones. Summary of the Invention

[0006] This invention addresses the problem of overly simplistic solutions in existing technologies by providing a significantly different approach. Specifically, the invention aims to provide a zero-value detection device for suspended insulators based on drone-launched deployment. This addresses the issue raised in the background section where the deployment method can cause slight swaying during detection due to factors such as wind, potentially leading to gaps between the detection wire and the insulator. This reduces the stability of the deployment device and affects the accuracy of the detection results.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a zero-value detection device for suspension insulators based on UAV deployment, comprising an insulating rod body, a suspension insulator, a vertical screw drive mechanism, a lifting seat, a connecting plate, and an optical fiber receiving discharge detection device, and further comprising: A fixing mechanism installed at the top of the insulating rod body is used to initially position the insulating rod body during the testing of suspension insulators; The drive mechanism mounted on the connecting plate provides driving force for the initial positioning of the insulating rod body and the detection action during the detection process; The detection mechanism installed on the connecting plate is used to ensure the contact stability of the contacts during the detection process; The detection mechanism includes two sets of detection contact rods arranged longitudinally, with the suspension insulator located between the two sets of detection contact rods; Both sets of detection contact rods are equipped with wiping mechanisms on their outer walls to clean the contact points between the detection contact rods and the suspension insulators during testing.

[0008] Preferably, the fixing mechanism includes a crossarm hook fixed to the top of the insulating rod body, a first fixing plate fixed to the upper outer wall of the insulating rod body, a first cylinder fixed to the top of the first fixing plate, a first piston slidably engaged with the first cylinder, a top post penetrating the top of the first cylinder fixed to the top of the first piston, and an opening located outside the top post at the top of the first cylinder, and a movable plate slidably engaged with the insulating rod body fixed to the top of the top post.

[0009] Preferably, the fixing mechanism further includes connecting rods symmetrically hinged to the top of the movable plate, with a pressure block hinged to one end of each of the two sets of connecting rods, and an elastic telescopic rod connecting the pressure block to the insulating rod body. Rubber protrusions are evenly spaced on the outer wall of the pressure block.

[0010] Preferably, the driving mechanism includes an electric telescopic rod fixed to the side wall of the connecting plate, and the telescopic end of the electric telescopic rod is connected to a movable frame sleeved on the outside of the insulating rod body, and a connecting column is fixed to the outer wall of the movable frame.

[0011] Preferably, the detection mechanism further includes a second fixing plate fixed to the top of the connecting plate, the second fixing plate having a sliding column that slides therewith inside, one end of the sliding column being fixed to a second cylinder, and a second piston that slides therewith inside the second cylinder.

[0012] Preferably, a flexible hose is connected between the second cylinder and the first cylinder. One end of the flexible hose is connected below the first piston, and the other end of the flexible hose is connected at the end of the second cylinder near the sliding column. One end of the connecting column penetrates the inner wall of the second cylinder and is fixed to the second piston. A vent hole is provided at the end of the second cylinder near the connecting column.

[0013] Preferably, the detection mechanism further includes an insulating column fixed to the top of the connecting plate. The outer wall of the insulating column is fitted with insulating rings that are respectively connected to the ends of two sets of detection contact rods. Push plates are fixed to the outer walls of both sets of insulating rings. The other end of the sliding column is fixed with a push column located between the two sets of push plates. One end of each push plate is provided with an inclined surface that fits against the push column.

[0014] Preferably, a torsion spring is connected between the inner wall of each of the two sets of insulating rings and the outer wall of the insulating column, and a limit ring is fixed at both ends of the outer wall of the insulating column.

[0015] Preferably, the wiping mechanism includes fixing blocks respectively fixed to the ends of two sets of detection rods, and the outer walls of both sets of detection rods are provided with sliders that slide with them. A return spring located on the outside of the detection rod is connected between the fixing block and the slider.

[0016] Preferably, the sliders are provided with inclined surfaces facing the outer wall of the suspension insulator, and the inclined surfaces are provided with sponge blocks.

[0017] Compared with the prior art, the beneficial effects of the present invention are: This invention comprises a fixing mechanism, a driving mechanism, and a detection mechanism. During the detection of two adjacent insulators of a suspension insulator, the fixing mechanism, under the action of the driving mechanism, allows for preliminary positioning of the insulating rod body before detection, improving the stability of the device during the detection process. Through the movement of the push column in the detection mechanism, two sets of push plates are pushed and move in opposite directions, causing two sets of detection contact rods to move closer to the surfaces of the two insulators respectively. The clamping detection of the two adjacent insulators by the two sets of detection contact rods further improves the stability of the device during detection, thus achieving the effect of positioning before detection in a single detection process, resulting in more accurate detection results.

[0018] This invention incorporates a wiping mechanism. As the two sets of detection probes move closer to the surfaces of the two insulators, the sponge block on the inclined surface of the slider first contacts the surface of the insulator. As the sponge block is compressed, after being compressed to the inclined surface of the slider, the slider slides towards the fixed block on the detection probe and compresses the return spring until the detection probe, located at the initial position of the slider, contacts the surface of the insulator. Thus, during the detection process, the sliding of the slider drives the sponge block to wipe the position where the detection probe is about to contact, thereby avoiding the influence of dust and other impurities on the surface of the insulator on the accuracy of the detection. Attached Figure Description

[0019] Figure 1 This is a first-view perspective perspective view of the present invention; Figure 2 This is a second-view perspective perspective view of the present invention; Figure 3 This is a perspective view of the first cylinder of the fixing mechanism of the present invention after being cut open; Figure 4 This is a plan view of the first cylinder of the fixing mechanism of the present invention after being cut open; Figure 5 This is a perspective view of the driving mechanism, detection mechanism, and wiping mechanism of the present invention; Figure 6 This is a plan view of the driving mechanism, detection mechanism, and wiping mechanism of the present invention; Figure 7 This is a sectional perspective view of the second cylinder of the present invention; Figure 8 This is a cross-sectional plan view of the second cylinder of the present invention; Figure 9 This is a cross-sectional plan view of the insulating pillar and insulating ring of the present invention; Figure 10 For the present invention Figure 5 Enlarged view of point A in the image.

[0020] In the diagram: 1. Main body of insulating rod; 2. Suspension insulator; 3. Vertical screw drive mechanism; 4. Lifting seat; 5. Crossarm hook; 51. First fixed plate; 52. First cylinder; 53. First piston; 54. Top column; 55. Movable plate; 56. Connecting rod; 57. Pressure block; 58. Elastic telescopic rod; 6. Connecting plate; 61. Electric telescopic rod; 62. Moving frame; 63. Connecting column; 64. Second fixed plate; 65. Sliding column; 66. Second cylinder; 67. Second piston; 7. Fiber optic receiving discharge detection device; 71. Insulating column; 72. Insulating ring; 73. Torsion spring; 74. Detection contact rod; 75. Push plate; 76. Push column; 77. Fixed block; 78. Sliding block; 79. Return spring. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1 to 10 This invention provides a technical solution: a zero-value detection device for suspension insulators based on UAV deployment, comprising an insulating rod body 1, a suspension insulator 2, a vertical screw transmission mechanism 3, a lifting seat 4, a connecting plate 6, and an optical fiber receiving discharge detection device 7, and further comprising: A fixing mechanism is installed at the top of the insulating rod body 1 to perform preliminary positioning of the insulating rod body 1 during the testing of the suspension insulator 2; The drive mechanism set on the connecting plate 6 is used to provide driving force for the initial positioning of the insulating rod body 1 and the detection action during the detection process; The detection mechanism installed on the connecting plate 6 is used to ensure the contact stability of the contacts during the detection process; The testing mechanism includes two sets of testing contact rods 74 arranged longitudinally, with the suspension insulator 2 located between the two sets of testing contact rods 74; Both sets of detection contact rods 74 are equipped with wiping mechanisms on their outer walls to clean the contact points between the detection contact rods 74 and the suspension insulator 2 during testing.

[0023] In specific implementation, the vertical screw drive mechanism 3 is existing technology. It uses a motor at the bottom of the insulating rod body 1 to drive the internal screw to rotate, thereby driving the matching lifting seat 4 to move up and down, so as to detect the two adjacent insulators on the suspension insulator 2 in sequence. Secondly, the fiber optic discharge detection device 7 is also existing technology. The fiber optic discharge detection device 7 is electrically connected to two sets of detection contact rods 74. The output information during detection is transmitted to the fiber optic discharge detection device 7 through the two sets of detection contact rods 74. Then, the fiber optic discharge detection device 7 automatically transmits the output status information to the handheld controller. At the same time, the handheld controller can send motion commands to the vertical screw drive mechanism 3 and the electric telescopic rod 61 through wireless signals. The bottom of the insulating rod body 1 should be equipped with a battery that powers the vertical screw drive mechanism 3, the electric telescopic rod 61 and the fiber optic discharge detection device 7.

[0024] The fixing mechanism includes a crossarm hook 5 fixed to the top of the insulating rod body 1, a first fixing plate 51 fixed to the upper outer wall of the insulating rod body 1, a first cylinder 52 fixed to the top of the first fixing plate 51, a first piston 53 slidably engaged with the first cylinder 52, a top post 54 penetrating the top of the first piston 53 fixed to the top of the first piston 53, and an opening provided on the outside of the top post 54 at the top of the first cylinder 52, and a movable plate 55 slidably engaged with the insulating rod body 1 fixed to the top of the top post 54.

[0025] In practice, the U-shaped crossarm hook 5 is used to suspend the insulating rod body 1 on the supporting crossarm, and the interior of the first cylinder 52, located below the first piston 53, is filled with oil.

[0026] The fixing mechanism also includes connecting rods 56 symmetrically hinged to the top of the movable plate 55. One end of each of the two sets of connecting rods 56 is hinged to a pressure block 57. An elastic telescopic rod 58 is connected between the pressure block 57 and the insulating rod body 1. Rubber protrusions are provided at equal intervals on the outer wall of the pressure block 57.

[0027] In practice, the pressure block 57 is clamped to the support crossarm in cooperation with the crossarm hook 5, and the clamping stability is improved by the rubber protrusions on the outer wall of the pressure block 57.

[0028] The drive mechanism includes an electric telescopic rod 61 fixed to the side wall of the connecting plate 6. The telescopic end of the electric telescopic rod 61 is connected to a movable frame 62 sleeved on the outside of the insulating rod body 1. A connecting column 63 is fixed to the outer wall of the movable frame 62.

[0029] The testing mechanism also includes a second fixing plate 64 fixed to the top of the connecting plate 6. The interior of the second fixing plate 64 is provided with a sliding column 65 that slides with it. One end of the sliding column 65 is fixed with a second cylinder 66. The interior of the second cylinder 66 is provided with a second piston 67 that slides with it.

[0030] A flexible hose is connected between the second cylinder 66 and the first cylinder 52. One end of the hose is connected below the first piston 53, and the other end of the hose is connected at the end of the second cylinder 66 near the sliding column 65. One end of the connecting column 63 penetrates the inner wall of the second cylinder 66, and one end of the connecting column 63 is fixed to the second piston 67. A vent hole is provided at the end of the second cylinder 66 near the connecting column 63.

[0031] In practice, the interior of the second cylinder 66 is filled with oil on one side of the second piston 67 and inside the connected hose. When the second piston 67 slides, the pressure inside the second cylinder 66 is balanced through the vent hole on the outer wall of the second cylinder 66.

[0032] The detection mechanism also includes an insulating column 71 fixed to the top of the connecting plate 6. The outer wall of the insulating column 71 is fitted with insulating rings 72 that are respectively connected to the ends of the two sets of detection contact rods 74. Push plates 75 are fixed to the outer walls of the two sets of insulating rings 72. The other end of the sliding column 65 is fixed with a push column 76 located between the two sets of push plates 75. One end of the push plate 75 is provided with an inclined surface that fits against the push column 76.

[0033] A torsion spring 73 is connected between the inner wall of the two sets of insulating rings 72 and the outer wall of the insulating column 71. Limiting rings are fixed at both ends of the outer wall of the insulating column 71.

[0034] In practice, the spring force of the torsion spring 73 is greater than that of the elastic telescopic rod 58, and the limiting ring can longitudinally limit the insulating ring 72.

[0035] The wiping mechanism includes a fixing block 77 fixed to the ends of two sets of detection rods 74, and a slider 78 that slides with the outer wall of each set of detection rods 74. A return spring 79 located on the outside of the detection rod 74 is connected between the fixing block 77 and the slider 78.

[0036] The slider 78 has an inclined surface facing the outer wall of the suspension insulator 2, and the inclined surface is provided with a sponge block.

[0037] In practice, the initial position of the slider 78 needs to be located at the contact position where the detection contact rod 74 contacts the surface of the insulator when it rotates.

[0038] Working principle: First, the device is launched and suspended onto the supporting crossarm (the support frame for installing insulators) using a drone, so that the entire device is in a suspended state. Two sets of detection contact rods 74 are located on both sides of the suspension insulator 2. The longitudinal spacing between the two sets of detection contact rods 74 is set according to the spacing between two adjacent insulators on the suspension insulator 2. Before testing, such as... Figure 1 and Figure 2 As shown, there is a gap between the two sets of detection contact rods 74 and the suspension insulator 2.

[0039] Then, during testing, the electric telescopic rod 61 is activated. The electric telescopic rod 61 pushes the moving frame 62 to move outside the insulating rod body 1 while pushing the connecting column 63. Since the elastic force of the elastic telescopic rod 58 is less than the elastic force of the torsion spring 73, the connecting column 63 slides at one end of the second cylinder 66 and pushes the second piston 67 to slide inside the second cylinder 66. The second piston 67 then delivers oil to the first cylinder 52 through the hose. The first piston 53 slides upward inside the first cylinder 52 under the pressure of the oil. The first piston 53 pushes the movable plate 55 to move upward on the outer wall of the insulating rod body 1 through the top column 54. The movable plate 55 then drives the two sets of pressure blocks 57 to move towards the inner walls on both sides of the crossarm hook 5 through the connecting rod 56. The elastic telescopic rod 58 is then stretched until the two sets of pressure blocks 57 cooperate with the crossarm hook 5 to clamp the supporting crossarm. The first piston 53 can no longer move upward, thus initially positioning the insulating rod body 1 during the testing process and avoiding shaking due to wind and other factors.

[0040] Secondly, the electric telescopic rod 61 will continue to push the moving frame 62 to move. At this time, the connecting column 63 will push the second cylinder 66 to move as a whole. The second cylinder 66 will then push the sliding column 65 to slide on the second fixed plate 64. The sliding column 65 will push the push column 76 to move. Since the inclined surface of one end of the push plate 75 is in contact with the outer wall of the push column 76, as the push column 76 moves, the two sets of push plates 75 are pushed to move in opposite directions. Figure 5 As shown, the upper push plate 75 drives the insulating ring 72 to rotate counterclockwise, and the detection contact rod 74 also rotates counterclockwise. The lower push plate 75 drives the insulating ring 72 to rotate clockwise, and the detection contact rod 74 rotates clockwise. Both sets of insulating rings 72 drive the torsion spring 73 to deform. The two sets of detection contact rods 74 move closer to the surfaces of the two insulators respectively. During the approaching movement, the sponge block on the inclined surface of the slider 78 will first contact the surface of the insulator. As the sponge block is squeezed, after being squeezed to the inclined surface of the slider 78, the slider 78 detects the contact. The rod 74 slides towards the fixed block 77 and squeezes the return spring 79 until the detection contact rod 74, located at the initial position of the slider 78, contacts the insulator surface. Zero-value detection can be performed on two adjacent insulators through two sets of detection contact rods 74. The clamping detection of two adjacent insulators by two sets of detection contact rods 74 further improves the stability of the device during detection. At the same time, during the detection process, the sliding of the slider 78 drives the sponge block to wipe the position where the detection contact rod 74 is about to contact, thereby avoiding dust and other impurities on the insulator surface from affecting the detection accuracy.

[0041] Finally, after testing the two adjacent insulators at the bottom of the suspension insulator 2, the electric telescopic rod 61 is activated to reset. Under the action of the elastic telescopic rod 58, torsion spring 73 and reset spring 79, the pressure block 57, detection contact rod 74 and slider 78 are all reset. At this time, the vertical screw transmission mechanism 3 is activated to raise the lifting seat 4. Similarly, the zero value test can be performed on the next set of two adjacent insulators. By doing so, the testing of the suspension insulator 2 can be completed.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A zero-value detection device for suspension insulators based on UAV deployment, comprising an insulating rod body (1), a suspension insulator (2), a vertical screw drive mechanism (3), a lifting seat (4), a connecting plate (6), and an optical fiber receiving discharge detection device (7), characterized in that, Also includes: A fixing mechanism is set on the top of the insulating rod body (1) to perform preliminary positioning of the insulating rod body (1) during the testing of the suspension insulator (2); The drive mechanism set on the connecting plate (6) is used to provide driving force for the initial positioning of the insulating rod body (1) and the detection action during the detection process; The detection mechanism set on the connecting plate (6) is used to ensure the contact stability of the contact points during the detection process; The detection mechanism includes two sets of detection contact rods (74) arranged longitudinally, and the suspension insulator (2) is located between the two sets of detection contact rods (74); Both sets of detection contact rods (74) are provided with a wiping mechanism on their outer walls to clean the contact points between the detection contact rods (74) and the suspension insulator (2) during detection.

2. The zero-value detection device for suspension insulators based on UAV deployment according to claim 1, characterized in that: The fixing mechanism includes a crossbar hook (5) fixed to the top of the insulating rod body (1), a first fixing plate (51) fixed to the upper outer wall of the insulating rod body (1), a first cylinder (52) fixed to the top of the first fixing plate (51), a first piston (53) slidably engaged with the first cylinder (52) is provided inside the first cylinder (52), a top post (54) penetrating the top of the first cylinder (52) is fixed to the top of the first piston (53), and an opening is provided at the top of the first cylinder (52) outside the top post (54), and a movable plate (55) slidably engaged with the insulating rod body (1) is fixed to the top of the top post (54).

3. The zero-value detection device for suspension insulators based on UAV deployment according to claim 2, characterized in that: The fixing mechanism also includes connecting rods (56) symmetrically hinged to the top of the movable plate (55). One end of each of the two sets of connecting rods (56) is hinged to a pressure block (57). An elastic telescopic rod (58) is connected between the pressure block (57) and the insulating rod body (1). Rubber protrusions are provided at equal intervals on the outer wall of the pressure block (57).

4. The zero-value detection device for suspension insulators based on UAV deployment according to claim 1, characterized in that: The driving mechanism includes an electric telescopic rod (61) fixed to the side wall of the connecting plate (6). The telescopic end of the electric telescopic rod (61) is connected to a movable frame (62) sleeved on the outside of the insulating rod body (1). A connecting column (63) is fixed to the outer wall of the movable frame (62).

5. The zero-value detection device for suspension insulators based on UAV deployment according to claim 4, characterized in that: The detection mechanism also includes a second fixing plate (64) fixed to the top of the connecting plate (6). The interior of the second fixing plate (64) is provided with a sliding column (65) that slides with it. One end of the sliding column (65) is fixed with a second cylinder (66). The interior of the second cylinder (66) is provided with a second piston (67) that slides with it.

6. The zero-value detection device for suspension insulators based on UAV deployment according to claim 5, characterized in that: A flexible hose is connected between the second cylinder (66) and the first cylinder (52). One end of the hose is connected below the first piston (53), and the other end of the hose is connected at the end of the second cylinder (66) near the sliding column (65). One end of the connecting column (63) penetrates the inner wall of the second cylinder (66), and one end of the connecting column (63) is fixed to the second piston (67). A vent hole is provided at the end of the second cylinder (66) near the connecting column (63).

7. The zero-value detection device for suspension insulators based on UAV deployment according to claim 5, characterized in that: The detection mechanism also includes an insulating column (71) fixed on the top of the connecting plate (6). The outer wall of the insulating column (71) is fitted with insulating rings (72) that are respectively connected to the ends of two sets of detection contact rods (74). The outer walls of the two sets of insulating rings (72) are fixed with push plates (75). The other end of the sliding column (65) is fixed with a push column (76) located between the two sets of push plates (75). One end of the push plate (75) is provided with an inclined surface that fits against the push column (76).

8. The zero-value detection device for suspension insulators based on UAV deployment according to claim 7, characterized in that: A torsion spring (73) is connected between the inner wall of the two sets of insulating rings (72) and the outer wall of the insulating column (71). The outer wall of the insulating column (71) is fixed with limit rings at both ends of the insulating ring (72).

9. The zero-value detection device for suspension insulators based on UAV deployment according to claim 1, characterized in that: The wiping mechanism includes a fixing block (77) fixed to the ends of two sets of detection rods (74), and the outer walls of the two sets of detection rods (74) are provided with sliders (78) that slide with them. A return spring (79) located outside the detection rod (74) is connected between the fixing block (77) and the slider (78).

10. A zero-value detection device for suspension insulators based on UAV deployment according to claim 9, characterized in that: The slider (78) is provided with an inclined surface facing the outer wall of the suspension insulator (2), and the inclined surface is provided with a sponge block.

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