A zero value detection device for a suspension insulator based on a UAV throwing and hanging

Abstract

The application discloses a kind of based on unmanned aerial vehicle throws and hangs's overhanging insulator zero value detection device, it is related to insulator zero value detection technical field, including insulating pole main body, overhanging insulator, vertical screw drive mechanism, lifting seat, connecting plate, optical fiber receiving discharge detection device, further include: setting in the fixed mechanism of insulating pole main body top;Drive mechanism is set on connecting plate;Detection mechanism is set on connecting plate.The detection mechanism includes two groups of detection touch rod arranged longitudinally, and overhanging insulator is located between two groups of detection touch rod;The outer wall of two groups of detection touch rod is provided with wiping mechanism.The application can realize the effect of positioning and then detecting in the process of detecting adjacent two insulators of overhanging insulator, secondly, sponge block is driven by the sliding of slider in the detection process to wipe the position that detection touch rod is about to contact, to avoid the influence of dust and other impurities on the surface of insulator on detection accuracy.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of zero value detection of insulators, in particular to a zero value detection device for suspension insulators based on unmanned aerial vehicle throwing and hanging. BACKGROUND

[0002] Insulators are key equipment for supporting conductors and insulation in power systems, and are widely used in power transmission lines, substations and other occasions. Its main functions are electrical insulation and mechanical fixation, to ensure the safe and stable operation of the power system. During long-term operation, insulators may have reduced insulation performance or even fail (i.e. "zero value" state) due to factors such as aging, surface contamination, mechanical damage, lightning strikes, etc. Zero value insulators cannot effectively withstand voltage, which can lead to a decrease in line insulation level and may cause problems such as partial discharge and flashover. In order to prevent power accidents, detecting and replacing zero value insulators can prevent such accidents from occurring. Regular zero value detection can help monitor the health of insulators, provide a basis for equipment maintenance and replacement, reduce the number of outages caused by insulator problems, and ensure continuous and stable power supply for the power system. The transmission lines under the jurisdiction of the State Grid Mengdong Power Company have a total of 2.8 million porcelain insulators, of which 2.03 million are straight-line suspension porcelain insulators. The traditional detection equipment includes the strain level crawling porcelain insulator zero value detection equipment, which cannot detect the suspension straight-line string porcelain insulators.

[0003] Based on the previous research on related live working techniques, the unmanned aerial vehicle live working detection method and tools have been developed, which provide effective support for the development of live working. The detection device is thrown and hung on the head of the branch cross arm by the unmanned aerial vehicle. The spark gap sensor detects the insulators one by one during the descending process along the insulator rod under the cooperation of the rotating motion controller and the linear motion controller speed, and simultaneously returns the visual video on the device to the handheld controller. The rotating controller receives the output state information of the discharge detection device through the optical fiber and automatically transmits it to the handheld controller, realizing digital display, analysis, recording, alarm and storage. In the research process, the distance between each insulator steel cap is determined to set the distance of the detection contact. The reasonable design of the action is carried out by using the simulation of artificial detection method, that is, two flexible steel wire fingers are used to measure the zero value between the adjacent two insulators. The principle is that the rotating detection steel wire detects the adjacent two insulators layer by layer in the longitudinal direction.

[0004] In the prior art, after the detection device is thrown and hung on the head of the branch cross arm by the unmanned aerial vehicle, the device is not effectively positioned, and the detection steel wire is driven by the rotating motion controller to contact detect the adjacent two insulators during detection. The throwing and hanging method is prone to small amplitude shaking of the device during detection due to factors such as wind, which may cause a gap between the detection steel wire and the insulator, reducing the stability of the detection device and affecting the accuracy of the detection results.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original unmanned aerial vehicle hanging suspension insulator zero value detection device. SUMMARY

[0006] The technical scheme of the present application aims to solve the problem that the prior art solution is too single, and provides a solution significantly different from the prior art. Specifically, the purpose of the present application is to provide a suspension insulator zero value detection device based on unmanned aerial vehicle hanging, to solve the problem that the device detection is easily affected by wind and other factors, resulting in small amplitude shaking, which may cause gaps between the detection wire and the insulator, reducing the hanging stability of the detection device and affecting the accuracy of the detection result.

[0007] To achieve the above purpose, the present application provides the following technical scheme: a suspension insulator zero value detection device based on unmanned aerial vehicle hanging, comprising an insulating rod main body, a suspension insulator, a vertical screw transmission mechanism, a lifting seat, a connecting plate, an optical fiber receiving discharge detection device, further comprising:

[0008] The fixing mechanism is arranged at the top of the insulating rod main body, and is used to preliminarily position the insulating rod main body during detection of the suspension insulator;

[0009] The driving mechanism is arranged on the connecting plate, and is used to provide driving force for preliminary positioning of the insulating rod main body and detection action during detection;

[0010] The detection mechanism is arranged on the connecting plate, and is used to ensure the contact stability of the contact point during detection;

[0011] The detection mechanism comprises two groups of detection contact rods arranged longitudinally, and the suspension insulator is located between the two groups of detection contact rods;

[0012] The outer wall of the two groups of detection contact rods is provided with a wiping mechanism, which is used to clean the contact point between the detection contact rod and the suspension insulator during detection.

[0013] Preferably, the fixing mechanism comprises a cross arm hook fixed at the top of the insulating rod main body, the upper end of the insulating rod main body is fixed with a first fixed plate, the top of the first fixed plate is fixed with a first cylinder, the inside of the first cylinder is provided with a first piston in sliding cooperation therewith, the top of the first piston is fixed with a top column penetrating through the top end of the first cylinder, and the top of the first cylinder is provided with an opening outside the top column, and the top of the top column is fixed with a movable plate in sliding cooperation with the insulating rod main body.

[0014] Preferably, the fixing mechanism further comprises connecting rods symmetrically hinged on the top of the movable plate, one end of the two groups of connecting rods is hinged with a pressing block, the pressing block is connected with an elastic telescopic rod between the insulating rod body, the outer wall of the pressing block is provided with rubber protrusions at equal intervals.

[0015] Preferably, the driving mechanism comprises an electric telescopic rod fixed on the side wall of the connecting plate, the telescopic end of the electric telescopic rod is connected with a moving frame sleeved on the outer side of the insulating rod body, and the outer wall of the moving frame is fixed with a connecting column.

[0016] Preferably, the detection mechanism further comprises a second fixed plate fixed on the top of the connecting plate, the inside of the second fixed plate is provided with a sliding column in sliding cooperation therewith, one end of the sliding column is fixed with a second cylinder, and the inside of the second cylinder is provided with a second piston in sliding cooperation therewith.

[0017] Preferably, a hose is connected between the second cylinder and the first cylinder, one end of the hose is connected below the first piston, the other end of the hose is connected to one end of the second cylinder close to the sliding column, one end of the connecting column penetrates through the inner wall of the second cylinder, and the other end of the connecting column is fixed with the second piston, and the one end of the second cylinder close to the connecting column is provided with a vent hole.

[0018] Preferably, the detection mechanism further comprises an insulating column fixed on the top of the connecting plate, the outer wall of the insulating column is sleeved with two groups of insulating rings connected with the end of the two groups of detection touch rods respectively, the outer wall of the two groups of insulating rings is fixed with a push plate, the other end of the sliding column is fixed with a push column between the two groups of push plates, and one end of the push plate is provided with an inclined surface in abutment with the push column.

[0019] Preferably, a torsional spring is connected between the inner wall of the two groups of insulating rings and the outer wall of the insulating column, and a limiting ring is fixed on the outer wall of the insulating column at both ends of the insulating ring.

[0020] Preferably, the wiping mechanism comprises fixed blocks fixed on the end of the two groups of detection touch rods respectively, and the outer wall of the two groups of detection touch rods is provided with a sliding block in sliding cooperation therewith, and the fixed block and the sliding block are respectively connected with a reset spring located on the outer side of the detection touch rod.

[0021] Preferably, the sliding block is provided with an inclined surface towards the outer wall of the suspension insulator, and the inclined surface is provided with a sponge block.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] The application sets fixing mechanism, driving mechanism and detection mechanism, in the process of detecting two adjacent insulators of suspension insulator, under the action of driving mechanism, the insulator rod body can be preliminarily positioned before detection through fixing mechanism, the stability of device in detection process is improved, through the movement of push column in detection mechanism, two groups of push plates are pushed and move in opposite directions, two groups of detection touch rods move to the surface of two insulators respectively, the stability of device in detection is further improved through the clamping detection of two groups of detection touch rods on two adjacent insulators, so that the positioning and detection effect is realized in one detection process, and the detection result is more accurate.

[0024] The application sets wiping mechanism, in the process that two groups of detection touch rods move to the surface of two insulators respectively, the sponge block of sliding block inclined surface will contact the surface of insulator first, with the sponge block being extruded, after being extruded to the inclined surface of sliding block, the sliding block slides to the fixed block on the detection touch rod and extrudes the reset spring, until the detection touch rod position in the initial position of sliding block contacts the surface of insulator, so that the position to be contacted by detection touch rod is wiped by the sliding of sliding block in detection process, so that the detection accuracy is not affected by dust and impurities on the surface of insulator. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the first perspective view of the application;

[0026] Figure 2 It is the second perspective view of the application;

[0027] Figure 3 It is the sectional view of the first cylinder of fixing mechanism of the application;

[0028] Figure 4 It is the plan view of the first cylinder of fixing mechanism of the application;

[0029] Figure 5 It is the perspective view of driving mechanism, detection mechanism and wiping mechanism of the application;

[0030] Figure 6 It is the plan view of driving mechanism, detection mechanism and wiping mechanism of the application;

[0031] Figure 7 It is the sectional perspective view of the second cylinder of the application;

[0032] Figure 8 It is the sectional plan view of the second cylinder of the application;

[0033] Figure 9 It is the sectional plan view of insulator column and insulator ring of the application;

[0034] Figure 10 It is the sectional plan view of insulator column and insulator ring of the application;Figure 5 Enlarged view of A in FIG.

[0035] In the figure: 1, the insulating rod body; 2, the suspension insulator; 3, the vertical screw transmission mechanism; 4, the lifting seat; 5, the cross arm hook; 51, the first fixed plate; 52, the first cylinder; 53, the first piston; 54, the top column; 55, the movable plate; 56, the connecting rod; 57, the pressing block; 58, the elastic telescopic rod; 6, the connecting plate; 61, the electric telescopic rod; 62, the moving frame; 63, the connecting column; 64, the second fixed plate; 65, the sliding column; 66, the second cylinder; 67, the second piston; 7, the optical fiber receiving discharge detection device; 71, the insulating column; 72, the insulating ring; 73, the torsional spring; 74, the detection touch rod; 75, the push plate; 76, the push column; 77, the fixed block; 78, the sliding block; 79, the reset spring. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0037] Please refer to Figures 1 to 10 The present application provides a technical solution: a zero value detection device for suspension insulator based on unmanned aerial vehicle throwing and hanging, 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, further comprising:

[0038] The fixing mechanism arranged at the top of the insulating rod body 1 is used to preliminarily position the insulating rod body 1 during detection of the suspension insulator 2;

[0039] The driving mechanism arranged on the connecting plate 6 is used to provide driving force for preliminary positioning of the insulating rod body 1 and detection action during detection;

[0040] The detection mechanism arranged on the connecting plate 6 is used to ensure the contact stability of the contact point during detection;

[0041] The detection mechanism comprises two groups of detection touch rods 74 arranged longitudinally and separated, and the suspension insulator 2 is located between the two groups of detection touch rods 74;

[0042] The outer walls of the two groups of detection touch rods 74 are provided with wiping mechanisms, which are used to clean the contact points of the detection touch rods 74 and the suspension insulator 2 during detection.

[0043] In specific implementation, the vertical screw transmission mechanism 3 is a prior art, the motor at the bottom of the insulating rod body 1 drives the rotation of the internal screw rod to drive the lifting seat 4 matched therewith to move up and down, thereby sequentially detecting the adjacent two insulators on the suspension insulator 2. The optical fiber discharge detection receiving device 7 is also a prior art, the optical fiber discharge detection receiving device 7 is electrically connected with the two groups of detection contact rods 74, the output information during detection is transmitted to the optical fiber discharge detection receiving device 7 through the two groups of detection contact rods 74, and the output state information is automatically transmitted to the handheld controller by using the optical fiber discharge detection receiving device 7. Meanwhile, the handheld controller can send motion instructions to the vertical screw transmission mechanism 3 and the electric telescopic rod 61 through wireless signals. The bottom of the insulating rod body 1 should be equipped with the vertical screw transmission mechanism 3, the electric telescopic rod 61 and the battery for supplying power to the optical fiber discharge detection receiving device 7.

[0044] The fixing mechanism comprises a cross arm hook 5 fixed at the top of the insulating rod body 1, a first fixing plate 51 fixed to the outer wall of the upper end of the insulating rod body 1, a first cylinder 52 fixed to the top of the first fixing plate 51, a first piston 53 arranged in sliding fit with the first cylinder 52, a top column 54 fixed to the top of the first piston 53 and penetrating through the top end of the first cylinder 52, and an opening arranged at the top of the first cylinder 52 outside the top column 54, and a movable plate 55 arranged in sliding fit with the insulating rod body 1 and fixed to the top of the top column 54.

[0045] In specific implementation, the cross arm hook 5 in U-shaped structure is used to hang the insulating rod body 1 on the supporting cross arm, and the inside of the first cylinder 52 is filled with oil below the first piston 53.

[0046] The fixing mechanism further comprises a connecting rod 56 symmetrically hinged to the top of the movable plate 55, a pressing block 57 hinged to one end of each of the two groups of connecting rods 56, an elastic telescopic rod 58 connected between the pressing block 57 and the insulating rod body 1, and rubber protrusions equidistantly arranged on the outer wall of the pressing block 57.

[0047] In specific implementation, the pressing block 57 is clamped on the supporting cross arm in cooperation with the cross arm hook 5, and the rubber protrusions on the outer wall of the pressing block 57 are used to improve the clamping stability.

[0048] The driving mechanism comprises an electric telescopic rod 61 fixed to the side wall of the connecting plate 6, a moving frame 62 sleeved outside the insulating rod body 1 and connected to the telescopic end of the electric telescopic rod 61, and a connecting column 63 fixed to the outer wall of the moving frame 62.

[0049] The detection mechanism further comprises a second fixing plate 64 fixed to the top of the connecting plate 6, a sliding column 65 arranged in sliding fit with the inside of the second fixing plate 64, a second cylinder 66 fixed to one end of the sliding column 65, and a second piston 67 arranged in sliding fit with the inside of the second cylinder 66.

[0050] The second cylinder 66 is connected with the first cylinder 52 through a hose, one end of the hose is connected below the first piston 53, and the other end of the hose is connected to one end of the second cylinder 66 close to the slide column 65, one end of the connecting column 63 penetrates the inner wall of the second cylinder 66, and the other end of the connecting column 63 is fixed with the second piston 67. The second cylinder 66 is provided with a vent hole close to one end of the connecting column 63.

[0051] In specific implementation, the inside of the second cylinder 66 on one side of the second piston 67 and the inside of the connected hose are filled with oil, and the pressure in the second cylinder 66 is balanced through the vent hole on the outer wall of the second cylinder 66 when the second piston 67 slides.

[0052] The detection mechanism further includes an insulating column 71 fixed on the top of the connecting plate 6, the outer wall of the insulating column 71 is sleeved with two sets of insulating rings 72 connected with the end of the two sets of detection touch rods 74 respectively, the outer wall of the two sets of insulating rings 72 is fixed with a push plate 75, the other end of the slide column 65 is fixed with a push column 76 between the two push plates 75, and one end of the push plate 75 is provided with an inclined surface abutting with the push column 76.

[0053] The inner wall of the two sets of insulating rings 72 and the outer wall of the insulating column 71 are connected with a torsion spring 73, and the outer wall of the insulating column 71 is fixed with a limiting ring at both ends of the insulating ring 72.

[0054] In specific implementation, the elastic 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.

[0055] The wiping mechanism includes a fixed block 77 fixed on the end of the two sets of detection touch rods 74 respectively, and the outer wall of the two sets of detection touch rods 74 is provided with a sliding block 78 slidingly matched therewith, and the fixed block 77 and the sliding block 78 are respectively connected with a reset spring 79 located on the outer side of the detection touch rod 74.

[0056] The outer wall of the sliding block 78 towards the outer wall of the suspension insulator 2 is provided with an inclined surface, and the inclined surface is provided with a sponge block.

[0057] In specific implementation, the initial position of the sliding block 78 needs to be located at the contact position of the detection touch rod 74 contacting the surface of the insulator.

[0058] Working principle: first, the device is hung on the support cross arm (support frame for installing insulators) by using the unmanned aerial vehicle, so that the whole device is in a suspended state, and the two sets of detection touch rods 74 are located on both sides of the suspension insulator 2, and the longitudinal distance between the two sets of detection touch rods 74 is set according to the distance between the adjacent two insulators on the suspension insulator 2. Before detection, as shown in Figure 1 and Figure 2 , a distance is left between the two sets of detection touch rods 74 and the suspension insulator 2.

[0059] Then, when detecting, the electric telescopic rod 61 is started, the electric telescopic rod 61 pushes the moving frame 62 to move outside the insulating rod body 1 while pushing the connecting column 63, because the elastic force of the elastic telescopic rod 58 is smaller than the elastic force of the torsion spring 73, the connecting column 63 slides at one end of the second cylinder body 66 and pushes the second piston 67 to slide in the second cylinder body 66, the second piston 67 then delivers the oil liquid to the first cylinder body 52 through the hose, the first piston 53 is pushed to slide upward in the first cylinder body 52 by the pressure of the oil liquid, 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 groups of pressing blocks 57 to move to the inner walls of the two sides of the cross arm hook 5 through the connecting rods 56 respectively, the elastic telescopic rod 58 is then elongated, until the two groups of pressing blocks 57 cooperate with the cross arm hook 5 to clamp the supporting cross arm, the first piston 53 cannot continue to move upward, so that the insulating rod body 1 in the detection process is preliminarily positioned, avoiding shaking due to wind and other factors.

[0060] Secondly, the electric telescopic rod 61 will continue to push the moving frame 62 to move, at this time the connecting column 63 pushes the second cylinder body 66 to move as a whole, the second cylinder body 66 then pushes the slide column 65 to slide on the second fixed plate 64, the slide column 65 then pushes the push column 76 to move, because one end of the push plate 75 is fitted with the outer wall of the push column 76, with the movement of the push column 76, the two groups of push plates 75 are pushed to move in opposite directions, as shown in Figure 5 the upper push plate 75 drives the insulating ring 72 to rotate counterclockwise, the detection touch rod 74 also rotates counterclockwise, the lower push plate 75 drives the insulating ring 72 to rotate clockwise, the detection touch rod 74 then rotates clockwise, and the two groups of insulating rings 72 drive the torsion spring 73 to deform, the two groups of detection touch rods 74 then move close to the surfaces of the two insulators respectively, in the process of moving close, the sponge block of the inclined surface of the sliding block 78 will first contact the surface of the insulator, with the sponge block being extruded, after being extruded to the inclined surface of the sliding block 78, the sliding block 78 slides close to the fixed block 77 on the detection touch rod 74 and extrudes the return spring 79, until the detection touch rod 74 at the initial position of the sliding block 78 contacts the surface of the insulator, through the two groups of detection touch rods 74, the adjacent two insulators can be detected to zero value, through the clamping type detection of the two groups of detection touch rods 74 on the adjacent two insulators, the stability of the device during detection is further improved, at the same time, in the detection process, the sponge block is driven to wipe the position about to be contacted by the detection touch rod 74 through the sliding of the sliding block 78, so as to avoid the influence of dust and other impurities on the surface of the insulator on the detection accuracy.

[0061] Finally, after detecting the two adjacent insulators at the bottom of the suspension insulator 2, the electric telescopic rod 61 is started to reset, and under the action of the elastic telescopic rod 58, the torsion spring 73 and the reset spring 79, the pressing block 57, the detection touch rod 74 and the sliding block 78 are all reset, at this time the vertical screw transmission mechanism 3 is started to make the lifting seat 4 rise, and the next group of adjacent two insulators can be detected in the same way, and the detection of the suspension insulator 2 can be completed in this way.

[0062] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An unmanned aerial vehicle (UAV) based zero value detection device for a suspension insulator, 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), characterized in that, Also include: The fixed mechanism is arranged on the top of the insulating rod body (1), which is used for the preliminary positioning of the insulating rod body (1) during the detection of the suspension insulator (2); The fixed mechanism includes a cross arm hook (5) fixed on the top of the insulating rod body (1), the upper end of the insulating rod body (1) is fixed with a first fixed plate (51), the top of the first fixed plate (51) is fixed with a first cylinder (52), the inside of the first cylinder (52) is provided with a first piston (53) in sliding fit with it, the top of the first piston (53) is fixed with a top column (54) penetrating through the top end of the first cylinder (52), and the top of the first cylinder (52) is provided with an opening outside the top column (54), the top of the top column (54) is fixed with a movable plate (55) in sliding fit with the insulating rod body (1); The fixed mechanism further includes a connecting rod (56) symmetrically hinged on the top of the movable plate (55), one end of each of the two groups of connecting rods (56) is hinged with a pressing block (57), the pressing block (57) and the insulating rod body (1) are connected with an elastic telescopic rod (58), and the outer wall of the pressing block (57) is provided with rubber protrusions at equal intervals; The driving mechanism is arranged on the connecting plate (6), which is used for providing driving force for the preliminary positioning of the insulating rod body (1) and the detection action during the detection process; The driving mechanism includes an electric telescopic rod (61) fixed on the side wall of the connecting plate (6), the telescopic end of the electric telescopic rod (61) is connected with a moving frame (62) sleeved outside the insulating rod body (1), and the outer wall of the moving frame (62) is fixed with a connecting column (63); The detection mechanism is arranged on the connecting plate (6), which is used for ensuring the contact stability of the contact during the detection process; The detection mechanism includes two groups of detection touch rods (74) arranged longitudinally, and the suspension insulator (2) is located between the two groups of detection touch rods (74); The detection mechanism further includes a second fixed plate (64) fixed on the top of the connecting plate (6), the inside of the second fixed plate (64) is provided with a sliding column (65) in sliding fit with it, one end of the sliding column (65) is fixed with a second cylinder (66), and the inside of the second cylinder (66) is provided with a second piston (67) in sliding fit with it; The second cylinder (66) and the first cylinder (52) are connected with a hose, one end of the hose is connected below the first piston (53), the other end of the hose is connected near one end of the second cylinder (66) close to the sliding column (65), one end of the connecting column (63) penetrates through the inner wall of the second cylinder (66), one end of the connecting column (63) is fixed with the second piston (67), and one end of the second cylinder (66) close to the connecting column (63) is provided with a vent hole; The detecting mechanism further comprises an insulating column (71) fixed on the top of the connecting plate (6), an insulating ring (72) is sleeved on the outer wall of the insulating column (71) and connected with the end of two groups of detecting touch rods (74) respectively, the outer wall of the two groups of insulating rings (72) is fixed with a push plate (75), the other end of the slide column (65) is fixed with a push column (76) between the two groups of push plates (75), and one end of the push plate (75) is provided with an inclined surface abutting against the push column (76). The outer wall of the two groups of detecting touch rods (74) is provided with a wiping mechanism for cleaning the contact point of the detecting touch rod (74) and the suspension insulator (2) during detection. 2.The zero value detection device based on unmanned aerial vehicle throwing and hanging suspension insulator according to claim 1, wherein: The inner wall of the two groups of insulating rings (72) and the outer wall of the insulating column (71) are connected with a torsion spring (73), and the outer wall of the insulating column (71) is fixed with a limiting ring at both ends of the insulating ring (72). 3.The zero value detection device based on unmanned aerial vehicle throwing and hanging suspension insulator according to claim 1, characterized in that: The wiping mechanism comprises a fixed block (77) fixed on the end of the two groups of detecting touch rods (74), the outer wall of the two groups of detecting touch rods (74) is provided with a sliding block (78) in sliding fit with the same, and the fixed block (77) and the sliding block (78) are respectively connected with a reset spring (79) located on the outer side of the detecting touch rod (74).

4. The zero value detection device based on unmanned aerial vehicle throwing and hanging suspension insulator according to claim 3, characterized in that: The outer wall of the sliding block (78) towards the suspension insulator (2) is provided with an inclined surface, and the inclined surface is provided with a sponge block.

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