A high-altitude insulator detection device

Abstract

The application relates to the field of power detection, and provides a high-altitude insulator detection device, which comprises a lower frame and an upper frame arranged in parallel with each other, a first scissors is arranged on the front side frame of the lower frame in a sliding mode, the first scissors is provided with inner push type clamping rods, the inner push type clamping rods are close to each other to clamp an insulator, a second scissors is arranged on the front side frame of the upper frame in a sliding mode, the second scissors is provided with second outer pull type clamping rods, the first outer pull type clamping rods and the second outer pull type clamping rods are far away from each other to clamp the insulator; the first outer pull type clamping rods and the second outer pull type clamping rods are respectively provided with detection wires, a distance measuring sensor is installed on the upper frame, the detection wires and the distance measuring sensor are connected with a detection controller arranged on the upper frame, the lower frame and the upper frame are rotatably installed in a limiting plate at the rear end through limiting gears, and the device is prevented from returning through the cooperation of a ratchet wheel and a ratchet pawl, so that the device can complete the climbing and resistance value detection of a suspension insulator string.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of power detection, and particularly relates to a high-altitude insulator detection device. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] In the running overhead line, the wires and the towers are insulated by the insulator string. In actual operation, the insulator string is subject to internal and external influences and will be subject to certain loss. When the loss reaches a certain degree, the insulator will not play an insulating role, and its resistance and voltage bearing capacity will be close to zero. Such an insulator is called a zero-value insulator. Low-value or zero-value insulators are hidden dangers that cause major accidents of power transmission lines.

[0004] At present, there are many methods and tools for detecting insulators. Referring to the detection device for insulators disclosed in CN107894533B, the device is connected with a detachable first fixing frame through a hoop on the insulator. The first fixing frame is connected with a first fixing member in the sliding assembly through a fastener. A worker stands not far from the insulator and holds a second fixing member. A lead screw structure is arranged on the second fixing member. A detector is arranged on the lead screw in a sliding manner. The working load of the worker can be reduced. However, the detection device still needs to be manually installed on the insulator by the worker. After the first fixing member is installed, the lead screw structure is installed. The first fixing member and the lead screw are heavy. The installation process of the detection device is complicated.

[0005] The insulator string installed at a high altitude also has a use condition in a suspended state. In the detection of a vertical insulator string, if the insulator in the suspended state is detected by using the working method of the detection device for insulators disclosed in CN107894533B, the worker cannot find a foothold and cannot stand and hold the second fixing member. Therefore, the device still has the problems of high labor intensity of the maintenance personnel and low safety factor. SUMMARY

[0006] In order to overcome the shortcomings of the prior art, the present application provides a high-altitude insulator detection device.

[0007] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a high-altitude insulator detection device, comprising a lower frame and an upper frame arranged in parallel with each other, a first scissor is arranged on the front side frame of the lower frame in a sliding manner, a first sliding rod is arranged at both ends of the first scissor and faces the center direction of the rectangular frame, an inner push type clamping rod is arranged on each first sliding rod, and the inner push type clamping rods are close to each other to clamp the insulator.

[0008] The second scissor is slidably arranged on the front side frame of the upper frame, and a second sliding rod is arranged at both ends of the second scissor and towards the center direction of the upper frame, wherein one of the second sliding rods is provided with a first outer-pulling clamping rod, and the other second sliding rod is provided with an extension rod downwardly, and the extension rod is provided with a second outer-pulling clamping rod, and the first outer-pulling clamping rod and the second outer-pulling clamping rod are away from each other to clamp the insulator;

[0009] The first outer-pulling clamping rod and the second outer-pulling clamping rod are respectively provided with a detection wire, a distance measuring sensor is mounted on the upper frame, and the detection wire and the distance measuring sensor are connected with a detection controller arranged on the upper frame;

[0010] A limiting plate is arranged at the rear end of the lower frame and the upper frame, a wire clamp is fixedly mounted at the top end of the limiting plate, a limiting rod is fixedly mounted at the rear end of the lower frame and the upper frame, a sleeve is rollingly mounted at the end of the limiting rod, a limiting gear and a ratchet wheel are fixedly mounted on the sleeve, the limiting rod is rollingly mounted in a rack in the limiting plate through the limiting gear, a protrusion is fixedly mounted on the limiting rod, and a pawl is movably mounted on the protrusion and engaged with the ratchet wheel.

[0011] Further, the limiting plate is provided with a rectangular groove, the rack is fixedly mounted in the rectangular groove, and a cover plate is mounted on the limiting plate, the cover plate is provided with a first limiting sliding rail corresponding to the limiting rod, a pull rod is fixedly mounted at the top end of the pawl, and the cover plate is provided with a second limiting sliding rail corresponding to the pull rod.

[0012] Further, a pair of driving connecting rods are staggered arranged below the first scissor, the ends of the driving connecting rods are connected with a gear set driven by a motor, and the motor is connected with a driving controller.

[0013] The gear set comprises two spur gears engaged with each other, and the two spur gears are installed in an axial staggered manner.

[0014] Further, the driving controller comprises a microcontroller, a power module and a Bluetooth receiving module.

[0015] Further, the detection controller comprises a microcontroller, an insulator resistance tester, a power module and a Bluetooth sending module, and the detection wires are respectively connected with probes of the insulator resistance tester.

[0016] Further, a sliding rail is arranged on the upper side wall of the front side frame of the lower frame, the first scissor is slidably arranged in the sliding rail through a roller, a sliding rail is arranged on the lower side wall of the front side frame of the upper frame, the second scissor is slidably arranged in the sliding rail through a roller, the sliding rail is provided with a limiting groove, and the second sliding rod and the first sliding rod move along the horizontal direction of the limiting groove.

[0017] Further settings, the connecting shaft is arranged between the rollers, the mounting sleeve is movably arranged on the connecting shaft, the mounting sleeve end is provided with a supporting plate, the supporting plate is matched with the sliding rail, the first sliding rod is arranged on the side wall of the supporting plate of the lower frame, and the second sliding rod is arranged on the side wall of the supporting plate of the upper frame.

[0018] Further settings, the sliding rail top is symmetrically provided with a baffle, and the baffle interval is smaller than the thickness of the roller.

[0019] Further settings, the first outer pull type clamping rod, the second outer pull type clamping rod and the inner push type clamping rod are provided below the guide frame, the guide frame includes a limiting cylinder, a bent rod is arranged in the limiting cylinder through a spring, and the bent rod is provided with a plurality of guide wheels.

[0020] Further settings, the first outer pull type clamping rod, the second outer pull type clamping rod and the inner push type clamping rod are provided below the guide frame, the guide frame includes a limiting cylinder, a bent rod is arranged in the limiting cylinder through a spring, and the bent rod is provided with a plurality of guide wheels.

[0021] The above one or more technical solutions have the following beneficial effects:

[0022] (1) The device can realize the functions of stretching and shrinking through the shearing fork structure, and the outer pull type clamping rod and the inner push type clamping rod arranged above and below the shearing fork structure. When the device is stretched, the outer pull type clamping rod above the device loosens the clamping of the insulator, and the inner push type clamping rod below the device clamps the insulator. When the device is shrunk, the outer pull type clamping rod above the device clamps the insulator, and the inner push type clamping rod below the device loosens the clamping of the insulator. The arc-shaped surfaces of the two outer pull type clamping rods are provided with detection wires, and the other ends of the two detection wires are connected with the probes of the existing resistance detection instrument. The device has high automation, and only the initial position and the wire rack need to be installed by the staff, so that the climbing and the resistance value detection and collection of the insulator can be completed, the danger of manual detection is reduced, and the work load of the staff is reduced.

[0023] (2) The upper frame and the lower frame are connected with the rear limiting plate through the limiting rod, the cooperation of the limiting gear and the ratchet wheel ensures that the upper frame and the lower frame will not back off during the upward climbing process, the ratchet wheel is locked by the pawl to support the first shearing fork and the second shearing fork, prevents the device from sliding off the insulator, and the guide frame is connected with the bent rod through the spring. The bent rod is provided with a plurality of rollers, so that the bent rod can be buffered after colliding with the insulator umbrella skirt during the climbing process, and the damage to the insulator umbrella skirt is avoided.

[0024] (3) The shearing fork structure has the structural characteristics of large expansion ratio, so that the device can realize rapid and efficient climbing. The small rotation of the gear set at the bottom end can complete the large unfolding length of the shearing fork structure, the power consumption of the device is small, and the energy utilization rate is high. Attached Figure Description

[0025] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0026] Figure 1 This is a schematic diagram of the high-altitude insulator detection device in an embodiment of this application.

[0027] Figure 2 This application provides a schematic diagram of the installation structure of the first and second scissor lifts in an embodiment.

[0028] Figure 3 This is a schematic diagram of the drive gear set in an embodiment of this application.

[0029] Figure 4 This is a top view of the drive gear set in an embodiment of this application.

[0030] Figure 5 This is a cross-sectional view of the guide frame in an embodiment of this application.

[0031] Figure 6 This is a schematic diagram of the installation structure of the roller assembly and the limiting track according to an embodiment of this application.

[0032] Figure 7 This is a schematic diagram of the installation structure of the roller assembly and the push-in clamping rod according to an embodiment of this application.

[0033] Figure 8 This is a schematic diagram of the installation structure of the roller assembly and the first external pull-type clamping rod according to an embodiment of this application.

[0034] Figure 9 This is a cross-sectional view of the telescopic rod according to an embodiment of this application.

[0035] Figure 10 This is a diagram illustrating the climbing process in an embodiment of this application.

[0036] Figure 11 This is a schematic diagram showing the connection between the drive controller and the detection controller modules in an embodiment of this application.

[0037] Figure 12 For this application Figure 1 Enlarged view of point A in the middle.

[0038] Figure 13 For this application Figure 1 Enlarged view of section B in the middle.

[0039] Figure 14 This is a schematic diagram of the disassembled structure of the cover plate and the limiting plate in an embodiment of this application.

[0040] Figure 15 Figure 1 is a schematic view of a limit gear and rack mounting structure according to an embodiment of the present application.

[0041] Figure 16 Figure 2 is a schematic view of a sleeve and limit rod mounting structure according to an embodiment of the present application.

[0042] Figure 17 Figure 3 is a sectional view of a detection wire and hollow wire slot mounting structure according to an embodiment of the present application.

[0043] Figure 18 Figure 4 is a schematic view of a detection wire and insulator resistance tester mounting structure according to an embodiment of the present application.

[0044] Figure 1 is a schematic view of a limit gear and rack mounting structure according to an embodiment of the present application.

[0045] 38 limit plate; 39 wire clamp; 40 limit rod; 41 sleeve; 42 limit gear; 43 ratchet wheel; 44 rack; 45 protrusion; 46 pawl; 47 rectangular slot; 48 cover plate; 49 first limit sliding rail; 50 second limit sliding rail; 51 pull rod. DETAILED DESCRIPTION

[0046] It should be noted that the following detailed description is merely exemplary and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the application pertains.

[0047] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application.

[0048] In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0049] The overall idea is that the telescopic structure is set on both ends of the scissors, the clamping rod is set on the clamping rod, the resistance detection lead is set on the clamping rod, the climbing and resistance detection of the suspension insulator string are completed.

[0050] Referring to Figure 1 , 2 A high-altitude insulator detection device, comprising a lower frame 1 and an upper frame 2 arranged in parallel with each other, a first scissors 4 is slidably arranged on the front side frame 3 of the lower frame 1, a first sliding rod 5 is arranged at both ends of the first scissors 4 and faces the center direction of the rectangular frame, an inner push type clamping rod 6 is arranged in the center of each first sliding rod 5, and the inner push type clamping rods 6 are close to each other to clamp the insulator 7;

[0051] A second scissors 8 is slidably arranged on the front side frame 3 of the upper frame 2, a second sliding rod 9 is arranged at both ends of the second scissors 8 and faces the center direction of the upper frame 2, a first outer pull type clamping rod 10 is arranged on one of the second sliding rods 9, an extension rod 11 is arranged downward on the other second sliding rod 9, a second outer pull type clamping rod 12 is arranged on the extension rod 11, the first outer pull type clamping rod 10 and the second outer pull type clamping rod 12 are arranged in a staggered manner along the length and width of the upper frame 2, so that the maximum width and length between the first outer pull type clamping rod 10 and the second outer pull type clamping rod 12 are greater than the insulator string, the first outer pull type clamping rod 10 and the second outer pull type clamping rod 12 are away from each other to clamp the insulator 7, and the first scissors 4 is connected with the second scissors 8 through the hinge rod 34.

[0052] Referring to Figure 1 , 2 , 15, a limiting plate 38 is arranged at the rear end of the lower frame and the upper frame, a wire clamp 39 is fixedly installed at the top end of the limiting plate 38, a limiting rod 40 is fixedly installed at the rear end of the lower frame 2 and the upper frame 3, a sleeve 41 is rollingly installed at the end of the limiting rod 40, the limiting rod 40 and the sleeve 41 are connected through a bearing, referring to Figure 16 , the limiting gear 42 and the ratchet wheel 43 are fixedly installed on the sleeve 41, the rotation of the limiting gear 42 drives the ratchet wheel 43 to rotate at the same time, the limiting rod 40 is rollingly installed in the rack in the limiting plate 38 through the limiting gear, the limiting rod 40 is fixedly installed with a protruding block 45, the pawl 46 is movably installed on the protruding block 45, the pawl 46 is engaged with the ratchet wheel 43, when the lower frame and the upper frame move upward, the cooperation between the pawl 46 and the ratchet wheel 43 ensures that the rotation direction of the ratchet wheel 43 can only be the same as that of the limiting gear 42, and the limiting gear 42 can only rotate in one direction under the action of the pawl 46.

[0053] The limiting plate 38 is provided with a rectangular slot 47, and the rack 44 is fixedly installed in the rectangular slot 47. The limiting plate is provided with a cover plate, and the cover plate 48 is provided with a first limiting sliding rail 49 corresponding to the limiting rod. A gap exists between the side wall of the limiting gear 42 and the cover plate 48. The pawl 46 and the protrusion 45 are located at the rear side of the cover plate corresponding to the first limiting sliding rail 49 and the second limiting sliding rail 50. A gap exists between the side wall of the protrusion 45 and the cover plate 48. The top end of the pawl 46 is fixedly installed with a pull rod 51. The cover plate 48 is provided with a second limiting sliding rail 50 corresponding to the pull rod 51. When the detection is completed, the two pull rods 51 are pushed upward. The pawl 46 is separated from the ratchet wheel 43. At this time, the limiting gear 42 at the rear end of the lower frame and the upper frame can be moved downward along the rack.

[0054] The first outer pulling type clamping rod 10 and the second outer pulling type clamping rod 12 are respectively provided with a detection wire 13. The detection wire 13 can be a conventional metal soft wire with conductive performance. Specifically, a copper wire with an existing insulating skin is used. The first outer pulling type clamping rod 10 and the second outer pulling type clamping rod 12 are provided with a hollow wire slot 10-1. The insulator resistance tester 15-1 is an existing B-RT20 insulator resistance tester.

[0055] Referring to Figures 11-13 The installation steps of the detection wire 13 and the existing insulator resistance tester 15-1 in the embodiment are as follows. Two detection wires 13 are drawn out from the first outer pulling type clamping rod 10 and the second outer pulling type clamping rod 12. One detection wire 13 is drawn out from the end of the first outer pulling type clamping rod 10, and the other detection wire 13 is drawn out from the upper end of the extension rod 11. The first outer pulling type clamping rod 12, the second outer pulling type clamping rod 12, and the extension rod 11 are provided with wire slots 10-1. One end of each of the two detection wires is wound and welded to two probes 15-2. The other end is drawn through the inner side of the clamping arc surface 33. The insulating skin of the detection wire 13 on the inner side of the clamping arc surface 33 is removed by wire strippers, so that a part of the copper wire is exposed in the area on the inner side of the clamping arc surface 33. The end of the exposed copper wire is placed in the hollow wire slot 10-1 on the other side of the clamping arc surface 33. The hot melt glue is injected into the hollow wire slot 10-1 on the other side of the clamping arc surface 33 by using an existing hot melt glue gun. The copper wire end is fixed after the hot melt glue solidifies, and a hot melt glue block 10-2 is formed. At this time, the probe 15-2 of the insulator resistance tester 15-1 extends the detection range to the scissor frame through the detection wire 13. When detection is performed, the first outer pulling type clamping rod 10 and the second outer pulling type clamping rod 12 respectively contact the steel caps on the upper and lower sides of the insulator umbrella skirt to complete resistance detection.

[0056] In the embodiment, the first scissor 4, the second scissor 8, the first outer pulling type clamping rod 10, the extension rod 11, the second outer pulling type clamping rod 12, the inner pushing type clamping rod 6, and the guide frame 28 are used as a climbing guide mechanism. The structure is simple, non-metallic materials can be used, and the overall weight of the device is reduced.

[0057] The upper frame 2 is provided with a distance measuring sensor mounting groove 14-1, and a distance measuring sensor 14 is mounted in the distance measuring sensor mounting groove 14-1. The distance measuring sensor 14 can be an existing infrared distance measuring sensor 14. A detection controller 15 is arranged on the upper frame 2 and connected with the detection wire 13 and the distance measuring sensor 14.

[0058] Referring to Figure 1 , 2 , a pair of drive connecting rods 16 are arranged staggered below the first scissors 4. The drive connecting rods 16 are connected with a gear set 17 driven by a motor 19 at the end. The motor 19 is connected with a drive controller 20.

[0059] Referring to Figure 3 , the gear set 17 includes two spur gears 18 which are meshed with each other and are installed in a circumferential staggered manner, so that the drive connecting rods 16 can be hinged to the front end and the rear end of the first scissors 4 after the two spur gears 18 are meshed.

[0060] Referring to Figure 2 , 11 , the drive controller 20 includes a microcontroller, a power module and a Bluetooth receiving module.

[0061] The detection controller 15 includes a microcontroller, an insulator resistance tester 15-1, a power module and a Bluetooth sending module 15-3. The detection wire 13 is connected with the probe 15-2 of the insulator resistance tester 15-1.

[0062] The microcontroller, the power module and the Bluetooth receiving module 20-1 and the Bluetooth sending module are all existing modules on the market. The wireless and wired connection modes between the modules are connected by conventional circuit device connection mode. The power module supplies power for the microcontroller, the power module and the Bluetooth receiving module in the drive controller 20. The power module supplies power for the microcontroller, the insulator resistance tester 15-1, the power module and the Bluetooth sending module in the detection controller 15. The insulator resistance tester 15-1 is an existing B-RT20 insulator resistance tester 15-1. The insulator resistance tester 15-1 can detect the insulating resistance of the insulator 7 under operation with power on. The insulator resistance tester 15-1 can issue a voice alarm prompt for the insulator 7 with low or zero value. The data detected can be stored and inquired. The data is directly stored after each detection. The data can be exported at one time after the detection is completed.

[0063] Referring to Figure 6 , 7, 8, the upper side wall of the front side frame 3 of the lower frame 1 is provided with a sliding rail 21, the first scissors 4 is slidably arranged in the sliding rail 21 through the roller 22, the lower side wall of the front side frame 3 of the upper frame 2 is provided with a sliding rail 21, the second scissors 8 is slidably arranged in the sliding rail 21 through the roller 22, the sliding rail 21 is provided with a limiting groove 23, the second sliding rod 9 and the first sliding rod 5 move along the horizontal direction of the limiting groove 23, the supporting plate 27 passes through the limiting groove 23, and the supporting plate 27 moves along the limiting groove 23.

[0064] The connecting shaft 25 is arranged between the rollers 22, the mounting sleeve 26 is movably arranged on the connecting shaft 25, the mounting sleeve 26 is provided with the supporting plate 27 at the end, the supporting plate 27 is attached to the sliding rail 21, the first sliding rod 5 is arranged on the side wall of the supporting plate 27 of the lower frame 1, and the second sliding rod 9 is arranged on the side wall of the supporting plate 27 of the upper frame 2.

[0065] Referring to Figure 6 , the top end of the sliding rail 21 is symmetrically provided with a baffle 24, the interval between the baffles 24 is smaller than the thickness of the roller 22, and the baffles 24 can avoid the roller 22 from sliding out of the sliding rail 21.

[0066] Referring to Figure 5 , the first outer pulling type clamping rod 10, the second outer pulling type clamping rod 12 and the inner pushing type clamping rod 6 are provided with a guide frame 28 below, the guide frame 28 comprises a limiting cylinder 29, the limiting cylinder 29 is provided with a bent rod 31 through a spring 30, the bent rod 31 is provided with a plurality of guide wheels 32, in the process of climbing and scissors spanning, the roller of the guide frame is connected with the umbrella skirt, so that the bent rod collides with the insulator umbrella skirt in the climbing process and is buffered, damage to the insulator umbrella skirt is avoided, and the cooperation of the limiting gear and the ratchet wheel ensures that the upper frame and the lower frame will not back off in the upward climbing process.

[0067] Referring to Figure 7 , 8 , the first outer pulling type clamping rod 10, the second outer pulling type clamping rod 12 and the inner pushing type clamping rod 6 are provided with a clamping arc surface 33 inside, a rubber layer can be arranged in the arc surface, so as to avoid damage to the surface of the insulator 7 by the clamping arc surface 33.

[0068] Referring to Figure 2 , 9 , the telescopic rod 35 is arranged between the lower frame 1 and the upper frame 2, so that the upper frame and the lower frame 1 of the device are in cantilever structure, the arrangement of the telescopic rod 35 ensures the rigidity of the upper frame and the lower frame 1 in the vertical direction, and the telescopic rod 35 comprises a mounting cylinder 36 and a sliding rod 37, the mounting cylinder 36 is slidably arranged on the sliding rod 37, and the mounting cylinder 36 plays a guiding role in the telescopic process of the lower frame 1 and the upper frame 2.

[0069] Working principle:

[0070] When the device is installed:

[0071] like Figure 10 As shown in Figure a, after the device is used for the last time, the motor 19 rotates counterclockwise, which drives the two spur gears 18 to mesh. The rotation of the gear set 17 drives the drive linkage 16 to swing and retract. The retraction of the linkage drives the first scissor fork 4 to retract. The first scissor fork 4 drives the two inward-pull clamping rods 6 at both ends to move closer to each other. At the same time as the first scissor fork 4 retracts, the second scissor fork 8 retracts. The retraction of the second scissor fork 8 drives the first outward-pull clamping rod 10 and the second outward-pull clamping rod 12 to move away from each other. After a short delay, the motor 19 stops rotating.

[0072] In the initial state of the device, there is a gap between the two inward-pushing clamping rods 6, which should be greater than the diameter of the steel cap of the insulator 7. There is also a gap between the first outward-pulling clamping rod and the second outward-pulling clamping rod 12, which should be greater than the diameter of the shed of the insulator 7. Then, the workers put the device on the outer periphery of the insulator string from bottom to top, align the lower frame 1 with the steel cap of the insulator 7 at the lower end of the insulator string, and then fix and suspend the limiting plate 38 on the cable line by installing the clamp 39. The limiting plate 38 is located on one side of the insulator string. The clamp 3 uses an existing wire frame, including a hinged clamp block, which is fixed by bolts. A rubber block is set on the inner side of the clamp block.

[0073] When the device performs vertical climbing and testing:

[0074] like Figure 10 As shown in b, when the detection controller 15 and drive controller 20 are turned on, the motor 19 rotates clockwise, driving the two spur gears 18 to mesh. The rotation of the gear set 17 causes the drive linkage 16 to swing and expand. The expansion of the drive linkage 16 causes the first scissor fork 4 to expand. The first scissor fork 4 causes the two inward-pull clamping rods 6 at both ends to move away from each other. At the same time as the first scissor fork 4 expands, the second scissor fork 8 expands. The expansion of the second scissor fork 8 causes the first outward-pull clamping rod 10 and the second outward-pull clamping rod 12 to move closer to each other.

[0075] like Figure 10 As shown in c, the motor 19 continues to rotate clockwise, and the first pull-out clamping rod 10 and the second pull-out clamping rod 12 clamp the steel cap of the insulator 7. At this time, the second sliding rod 9 at the end of the first pull-out clamping rod 10 and the second pull-out clamping rod 12 is in contact with the upper frame 2. The distance sensor 14 detects that the distance between the second sliding rod 9 and the frame is less than the set value. The distance sensor 14 transmits the data in real time to the microcontroller inside the detection controller 15 through the wire. The microcontroller determines that the distance is less than the set value and transmits the stop command "1" to the Bluetooth receiving module inside the drive controller 20 set in the lower frame 1 through the Bluetooth sending module. The microcontroller receives the stop command from the Bluetooth receiving module and controls the motor 19 to stop rotating through the wire. The time for the motor 19 to stop rotating is controlled by the microcontroller's delay program.

[0076] When the first pull-out clamping rod 10 and the second pull-out clamping rod 12 clamp the steel cap of the insulator 7, the metal wires provided by the first pull-out clamping rod 10 and the second pull-out clamping rod 12 respectively contact the steel caps on the upper and lower sides of the shed. The other ends of the two metal wires are respectively connected to the probes 15-2 on the insulator resistance tester 15-1 set inside the detection controller 15. At this time, the insulator resistance tester 15-1 records the detection data.

[0077] like Figure 10 As shown in Figure c, as the first external pulling clamping rod 10 and the second external pulling clamping rod 12 approach each other, the two internal pushing clamping rods 6 move away from each other. At the same time, the distance between the first scissor fork and the second scissor fork narrows, causing the cross hinge of the second scissor fork 8 to be pulled downward, and the cross hinge of the first scissor fork 4 to be pulled upward. At this time, the first scissor fork is supported between the umbrella skirt by the guide frame 28 and the ratchet 43. The internal pushing clamping rod 6 at the end of the second scissor fork moves away from the insulator. The distance between the internal pushing clamping rods 6 is greater than the diameter of the umbrella skirt. At this time, the first scissor fork is pulled upward by the second scissor fork, completing the upward crossing of the second scissor fork.

[0078] Motor 19 stops after a delay to ensure that insulator resistance tester 15-1 can detect data. Figure 10 As shown in d, the motor 19 rotates counterclockwise, and the retraction of the connecting rod drives the first scissor fork 4 to retract. The first scissor fork 4 drives the two inward-pull clamping rods 6 at both ends to move closer to each other. At the same time as the first scissor fork 4 retracts, the second scissor fork 8 retracts. The retraction of the second scissor fork 8 drives the first outward-pull clamping rod 10 and the second outward-pull clamping rod 12 to move away from each other. While retracting, the first scissor fork 4 and the second scissor fork 8 extend along the length of the insulator string. Under the tendency of the inward-pull clamping rods 6 to move closer to each other, the inward-pull clamping rods 6 of the first scissor fork 4 gradually move closer to the steel cap. The second scissor fork 8 extends steadily upward, so that the first outward-pull clamping rods 10 and the second outward-pull clamping rods 12 move away from each other, completing the upward crossing of the second scissor fork 8.

[0079] Reference Figure 15 During the climbing and scissor lift process, the ratchet 43 and pawl 46 work together to ensure that the limit gear 4 will not fall back down. During the climbing process, the guide frame acts as a buffer to prevent the device from being damaged by impact when it comes into contact with the insulator sheet skirt. The pawl 46 locks the thorn of the ratchet 43 to ensure that the ratchet 43 can only rotate clockwise. Throughout the process, the scissor lift can only move upward along the insulator string to ensure that the device will not slip.

[0080] When the next inspection is required, push the two lifting rods 51 upward along the second limit slide rail, and the pawl 46 will separate from the ratchet 43. At this time, the limit gear 42 at the rear end of the lower frame and the upper frame can move downward along the rack.

[0081] The above describes the specific embodiments of the present application in combination with the drawings, but is not a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications or variations made by those skilled in the art on the basis of the technical solutions of the present application without creative labor are still within the protection scope of the present application.

Claims

1. A high-altitude insulator detection device, characterized in that, It includes a lower frame and an upper frame arranged parallel to each other. A first scissor fork is slidably arranged on the front side frame of the lower frame. A first sliding rod is arranged at both ends of the first scissor fork and toward the center of the lower frame. An inward-pushing clamping rod is arranged in the center of each first sliding rod. The inward-pushing clamping rods clamp the insulator when they come close to each other. A second scissor fork is slidably disposed on the front side frame of the upper frame. A second sliding rod is disposed at both ends of the second scissor fork and toward the center of the upper frame. One of the second sliding rods is provided with a first outward pulling clamping rod, and the other second sliding rod is provided with a downward extension rod. The extension rod is provided with a second outward pulling clamping rod. The insulator is clamped after the first outward pulling clamping rod and the second outward pulling clamping rod are separated from each other. The first scissor fork is connected to the second scissor fork through a hinge rod. The first and second pull-out clamping rods are respectively provided with detection wires, and a distance measuring sensor is installed on the upper frame. The detection wires and the distance measuring sensor are connected to the detection controller set on the upper frame. Limiting plates are provided at the rear ends of the lower frame and the upper frame. A wire clamp is fixedly installed at the top of the limiting plate. A limiting rod is fixedly installed at the rear ends of the lower frame and the upper frame. A sleeve is rolled at the end of the limiting rod. A limiting gear and a ratchet are fixedly installed on the sleeve. The limiting rod is rolled in a rack inside the limiting plate through the limiting gear. A protrusion is fixedly installed on the limiting rod. A pawl is movably installed on the protrusion. The pawl meshes with the ratchet.

2. The high-altitude insulator detection device as described in claim 1, characterized in that, The limiting plate has a rectangular groove, the rack is fixedly installed in the rectangular groove, the limiting plate is fitted with a cover plate, the cover plate has a first limiting slide rail corresponding to the limiting rod, the top of the pawl is fixedly fitted with a lifting rod, and the cover plate has a second limiting slide rail corresponding to the lifting rod.

3. The high-altitude insulator detection device as described in claim 1, characterized in that, A pair of drive linkages are staggered below the first scissor lift, and the ends of the drive linkages are connected to gear sets driven by a motor, which is connected to a drive controller; The gear set includes two meshing spur gears, which are installed axially offset.

4. The high-altitude insulator detection device according to claim 3, characterized in that, The drive controller consists of a microcontroller, a power module, and a Bluetooth receiver module.

5. The high-altitude insulator detection device as described in claim 1, characterized in that, The detection controller consists of a microcontroller, an insulator resistance tester, a power supply module, and a Bluetooth transmission module. The detection leads are connected to the probes of the insulator resistance tester.

6. The high-altitude insulator detection device as described in claim 1, characterized in that, A sliding track is provided on the upper side wall of the front side frame of the lower frame. The first scissor lift is slidably disposed in the sliding track via rollers. A sliding track is provided on the lower side wall of the front side frame of the upper frame. The second scissor lift is slidably disposed in the sliding track via rollers. A limiting groove is provided in the sliding track. The second sliding rod and the first sliding rod move horizontally along the limiting groove.

7. The high-altitude insulator detection device as described in claim 6, characterized in that, A connecting shaft is provided between the rollers, and an installation sleeve is movably provided on the connecting shaft. A support plate is provided at the end of the installation sleeve. The support plate is in contact with the sliding track. A first sliding rod is provided on the side wall of the support plate located in the lower frame, and a second sliding rod is provided on the side wall of the support plate located in the upper frame.

8. The high-altitude insulator detection device as described in claim 7, characterized in that, The top of the sliding track is symmetrically equipped with baffles, and the distance between the baffles is less than the thickness of the roller.

9. The high-altitude insulator detection device as described in claim 1, characterized in that: A guide frame is installed below the first pull-out clamping rod, the second pull-out clamping rod, and the push-in clamping rod. The guide frame includes a limiting cylinder, and a bending rod is installed inside the limiting cylinder by a spring. The bending rod is provided with several guide wheels.

10. The high-altitude insulator detection device as described in claim 1, characterized in that: The first pull-out clamping rod, the second pull-out clamping rod, and the push-in clamping rod have clamping arc surfaces on their inner sides, and a telescopic rod is installed between the lower frame and the upper frame.

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