CN113740348A

CN113740348A - In-service insulator remote flaw detector

Info

Publication number: CN113740348A
Application number: CN202111040472.6A
Authority: CN
Inventors: 余秋英; 鲁兵; 傅晓锦
Original assignee: Taicang Alpha Digital Technology Co ltd
Current assignee: Taicang Alpha Digital Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2021-12-03

Abstract

The invention discloses an in-service insulator remote flaw detector, and relates to the technical field of insulator flaw detection; the problem that the detection precision is influenced by the vibration of the device is solved; specifically including unmanned vehicles, unmanned vehicles's top outer wall is provided with pneumatic suspension structure, unmanned vehicles's bottom is connected with adjustment mechanism through multidirectional adjustment mechanism, adjustment mechanism's bottom is provided with detection mechanism, pneumatic suspension structure includes gasbag ball and air pump, air pump fixed mounting is on unmanned vehicles's fuselage, the bottom outer wall fixed mounting of gasbag ball has the gasbag backup pad, and the bottom outer wall fixed mounting of gasbag backup pad has the bracing piece, and bracing piece fixed mounting is on unmanned vehicles's fuselage, the end of giving vent to anger of air pump passes through the tube coupling with the air inlet of gasbag ball. The suspension power is provided by buoyancy, mechanical parts of the unmanned aerial vehicle stop running, the influence of the vibration of the device on detection is prevented, and the detection and flaw detection precision is improved.

Description

In-service insulator remote flaw detector

Technical Field

The invention relates to the technical field of insulator flaw detection, in particular to an in-service insulator remote flaw detector.

Background

The insulator plays an important role in supporting the power transmission line, isolating the power transmission line from other conductive objects and maintaining the safe operation of the power system, and whether the performance of the insulator is excellent or not is closely related to the safe and stable operation of the power system. The insulator can have the problems of interface breakdown, flashover, umbrella skirt aging, mechanical strength reduction, core rod brittle failure and the like after being exposed to the sun and rain. The electric field of the defective insulator is distributed unevenly, electric field distortion is generated at the defective position, partial discharge can be caused at the positions of a sheath, a core rod, an interface and the like of the insulator under the long-term action of high field intensity, the performance of the insulator is degraded, and even the insulator is punctured and broken under serious conditions, so that the safe operation of a line is seriously influenced.

In prior art, adopt artifical the detection of a flaw to most of insulators, will have staff's high altitude construction's the condition like this, comparatively dangerous, and if adopt unmanned aerial vehicle to shoot, only detect the surface.

In order to solve the danger of high-altitude operation, the prior art still adopts the unmanned aerial vehicle as the basis, carries on the detection sensor and detects a flaw to the insulator, but because the insulator detects a flaw, the technique that adopts contains the sound vibration coupling analysis, when detecting the insulator, the fuselage vibration that unmanned aerial vehicle's paddle disturbed air produced can influence the precision of detecting, so, still need further improvement.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an in-service insulator remote flaw detector.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an at long-range defectoscope of labour insulator, includes unmanned vehicles, unmanned vehicles's top outer wall is provided with pneumatic suspension structure, unmanned vehicles's bottom is connected with adjustment mechanism through multidirectional adjustment mechanism, adjustment mechanism's bottom is provided with detection mechanism, pneumatic suspension structure includes gasbag ball and air pump, air pump fixed mounting is on unmanned vehicles's fuselage, the bottom outer wall fixed mounting of gasbag ball has the gasbag backup pad, and the bottom outer wall fixed mounting of gasbag backup pad has the bracing piece, and bracing piece fixed mounting is on unmanned vehicles's fuselage, the end of giving vent to anger of air pump passes through the tube coupling with the air inlet of gasbag ball, just the gas holder is connected to the inlet end of air pump, and the internal loading of gas holder has gaseous medium.

Preferably: the detection mechanism comprises a detector module and a camera.

Further: the detector module at least comprises a micro nuclear magnetic resonance detector and an acoustic vibration coupling flaw detection device.

On the basis of the scheme: multidirectional adjustment mechanism includes scissor telescopic component and horizontal adjustment subassembly, the horizontal adjustment subassembly includes slewer and I-shaped slide rail, I-shaped slide rail fixed mounting is on slewer's bottom outer wall, slewer's top outer wall rotates through circular swivel and is connected with the connecting plate, and the outer wall fixed mounting of connecting plate is in unmanned vehicles's fuselage bottom.

The better scheme in the scheme is as follows: the outer wall fixed mounting of connecting plate has the motor support, and the outer wall fixed mounting of motor support has the rotating electrical machines, and the output shaft of circular change runs through in the motor support and fixed mounting is on slewer's top outer wall.

As a further scheme of the invention: the inner wall of the I-shaped sliding rail is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding mode, the outer wall of the sliding block is fixedly provided with a same sliding plate, and the shearing fork telescopic assembly is installed at the bottom of the sliding plate.

Simultaneously, wherein a set of opposition slider and the inside rotation of slide plate are connected with same gear shaft, and one of them the outer wall fixed mounting of slider has the motor that slides, and the output shaft and the gear shaft of the motor that slides pass through the coupling joint, the outer wall fixed mounting of gear shaft has the gear, and the bottom meshing of gear has the rack, and rack fixed mounting is on the inside wall of I-shaped slide rail.

As a preferable aspect of the present invention: and the outer walls of the end parts of the two sides of the I-shaped sliding rail are fixedly provided with limiting end panels.

Simultaneously, detection mechanism still includes two "L" type slides, two "L" type slide equal sliding connection is on adjustment mechanism's bottom outer wall, and two the relative one side outer wall fixed mounting of "L" type slide has same telescopic link one, camera fixed mounting in one of them on "L" type slide, the opposite side the outer wall fixed mounting of "L" type slide has telescopic link two, detector module fixed mounting is in the flexible end of telescopic link two.

As a more preferable scheme of the invention: the inner wall of the L-shaped sliding plate is connected with V-shaped clamping jaws through sliding rods in a sliding mode, the two groups of V-shaped clamping jaws are symmetrically arranged, and springs are sleeved on the outer walls of the sliding rods.

The invention has the beneficial effects that:

1. this insulator flaw detector in labour, unmanned vehicles is controlled to the accessible makes whole device reach the position of waiting to detect the insulator fast, start the air pump afterwards, the air pump carries the gasbag ball that admits air after heating with the gaseous medium in the gas holder, make because gaseous medium density is less than the air, its buoyancy that receives increases gradually, and reduce unmanned vehicles's rotor power in step, suspend in the air until the device, detection mechanism can detect the insulator this moment, and suspension power provides by buoyancy this moment, unmanned vehicles's mechanical parts shut down, thereby prevent that the vibration of device itself is to the influence that detects, the precision of detecting a flaw has been improved.

2. This insulator flaw detector in labour, through setting up the camera, at the detection initial stage, can control unmanned vehicles earlier and fly a week along the insulator, the function of making a video recording through the camera is roughly observed and is judged whether there is obvious damage in the insulator outside, can reach the purpose of short-term test, suspicious damage position to image judgement is again through little nuclear magnetic resonance detector and sound vibration coupling detection device go on further detecting, thereby can increase substantially the efficiency that detects, by shooting, sound vibration coupling, the point face of little nuclear magnetic resonance combination combines inside and outside comprehensive intelligent target pertinence accurate swift remote insulator to detect a flaw.

3. This insulator flaw detector in labour, when the motor that slides starts, it can drive the gear shaft and rotate to through the meshing effect of gear shaft and rack, the sliding connection effect of slider and I-shaped slide rail drive the shifting of shifting board, the removal of the arbitrary angle position in plane is accomplished to the rotation effect of cooperation I-shaped slide rail itself simultaneously, thereby when carrying out meticulous position location, need not frequently drive whole device and remove, thereby has increased the convenience of using.

4. This insulator flaw detector in labour, when the telescopic link is flexible, it can drive two "L" type slides and be close to each other and keep away from, need examine time measuring, can remove the both sides of adjusting to the insulator with two sets of "V" type clamping jaws, start the shrink of telescopic link, two sets of "V" type clamping jaws are close to each other this moment, thereby it is fixed to hold the insulator tightly, the positional deviation who appears when can preventing follow-up detection, thereby subsequent detection precision has been improved, and, a plurality of "V" type clamping jaws's setting, can hold tightly the insulator of different diameters on the one hand, when on the other hand "V" type clamping jaw is held tightly, can block between the full skirt of insulator, increase fixed stability.

5. This at labour insulator flaw detector through setting up the spring, because the actual centre gripping of "V" type clamping jaw is embraced tight power and is provided by the spring, can control the compression capacity of spring through the flexible volume of control telescopic link one to control clamping-force, and the spring can also absorb "V" type clamping jaw and insulator contact impact in the twinkling of an eye, thereby effectually prevent to examine the damage that time measuring led to the fact the insulator.

Drawings

FIG. 1 is a schematic view of an overall structure of an in-service insulator remote flaw detector according to the present invention;

FIG. 2 is a schematic structural diagram of a pneumatic suspension structure of an in-service insulator remote flaw detector provided by the invention;

FIG. 3 is a schematic structural diagram of a multidirectional adjusting mechanism of an in-service insulator remote flaw detector according to the present invention;

FIG. 4 is a schematic structural view of a horizontal adjustment assembly of an in-service insulator remote flaw detector according to the present invention;

FIG. 5 is a schematic structural diagram of a detection mechanism of an in-service insulator remote flaw detector according to the present invention;

fig. 6 is a schematic structural diagram of an unmanned aerial vehicle of an in-service insulator remote flaw detector provided by the invention.

In the figure: 1-pneumatic suspension structure, 2-unmanned aerial vehicle, 3-multidirectional adjusting mechanism, 4-adjusting mechanism, 5-detection mechanism, 6-air bag ball, 7-air bag support plate, 8-support rod, 9-air pump, 10-scissor telescopic assembly, 11-horizontal adjusting assembly, 12-connecting plate, 13-motor support, 14-rotating motor, 15-circular rotating ring, 16-rotary device, 17-I-shaped sliding rail, 18-limiting end plate, 19-sliding groove, 20-rack, 21-gear, 22-sliding plate, 23-sliding motor, 24-gear shaft, 25-sliding block, 26-telescopic rod I, 27- 'L' -shaped sliding plate, 28-sliding rod, 29-spring, 30- 'V' -shaped clamping jaw, 31-a second telescopic rod, 32-a detector module and 33-a camera.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

an in-service insulator remote flaw detector, as shown in fig. 1-6, includes an unmanned aerial vehicle 2, and in this embodiment, the type of the unmanned aerial vehicle 2 is not limited, and may be any aircraft with a certain load-carrying capacity, and for the sake of cost, stability and practicability, it is preferable that: the unmanned aerial vehicle 2 is a four-rotor small-sized aircraft, blades of each rotor are 2-4, the number of the blades is preferably 3, the top outer wall of the unmanned aerial vehicle 2 is provided with a pneumatic suspension structure 1, the bottom of the unmanned aerial vehicle 2 is connected with an adjusting mechanism 4 through a multidirectional adjusting mechanism 3, the bottom of the adjusting mechanism 4 is provided with a detection mechanism 5, the pneumatic suspension structure 1 comprises an air bag ball 6 and an air pump 9, the air pump 9 is fixed on the body of the unmanned aerial vehicle 2 through bolts, the bottom outer wall of the air bag ball 6 is fixed with an air bag supporting plate 7 through bolts, the bottom outer wall of the air bag supporting plate 7 is fixed with a supporting rod 8 through bolts, the supporting rod 8 is welded on the body of the unmanned aerial vehicle 2, the air outlet end of the air pump 9 is connected with the air inlet of the air bag ball 6 through a pipeline, and the air inlet end of the air pump 9 is connected with an air storage tank, the gas storage tank is loaded with a gas medium, in this embodiment, the specific type of the gas medium is not limited, and the gas medium may be any gas with density lower than that of air, such as hydrogen, helium or hot air, and for comprehensive consideration of cost, efficiency and safety, it is preferable that: the gas medium is helium; this device is when using, the accessible is controlled unmanned vehicles 2 and is made whole device reach the position of waiting to detect the insulator fast, start air pump 9 afterwards, air pump 9 is in air inlet bag ball 6 with the gaseous medium (hydrogen, helium or hot-air) transport in the gas storage tank, make because gaseous medium density is less than the air, the buoyancy that it received increases gradually, and reduce unmanned vehicles 2's rotor power in step, suspend in the air until the device, detection mechanism 5 can detect the insulator this moment, and suspension power provides by buoyancy this moment, unmanned vehicles 2's mechanical component stall, thereby prevent the influence of the vibration of device itself to the detection, the precision of detecting a flaw has been improved.

In order to solve the detection problem; as shown in fig. 5, the detection mechanism 5 includes a detector module 32 and a camera 33, where the detector module 32 includes at least a micro-nuclear magnetic resonance detector and a resonance imaging apparatus; the micro nuclear magnetic resonance detector and the sound vibration coupling flaw detection device are mature instruments in the prior art, the application field is wide, creative labor is not made to the micro nuclear magnetic resonance detector and the sound vibration coupling flaw detection device, details are not needed, the device is provided with the camera 33, at the initial detection stage, the unmanned aerial vehicle 2 can be controlled firstly to fly for a circle along the insulator, whether obvious damage exists on the outer side of the insulator or not is roughly observed and judged through the camera function of the camera 33, the purpose of rapid detection can be achieved, the suspected damage part judged by the image is further detected through the micro nuclear magnetic resonance detector and the sound vibration coupling flaw detection device, and therefore the detection efficiency can be greatly improved.

This embodiment is when using, can control unmanned vehicles 2 earlier and fly a week along the insulator, it has obvious damage to roughly observe the judgement insulator outside through the function of making a video recording of camera 33, can reach the purpose of short-term test, after preliminary image detection, hover unmanned vehicles 2 in the suspicious damage position department that image judgement, start air pump 9, air pump 9 carries the gaseous medium in the gas holder in the gasbag ball 6 that admits air after heating, make because gaseous medium density is less than the air, its buoyancy that receives increases gradually, and the rotor power of unmanned vehicles 2 is reduced in step, it is aerial until the device suspends in, the acoustic vibration coupling flaw detection device can carry out the second step to the insulator this moment, little nuclear magnetic resonance detector carries out the third step to the insulator later on and detects a flaw.

Example 2:

an in-service insulator remote flaw detector is shown in figures 1-6 and aims to solve the problem of the position of a telescopic adjusting detection mechanism 5; the present embodiment is modified from embodiment 1 as follows: the multidirectional adjusting mechanism 3 comprises a scissor telescopic assembly 10 and a horizontal adjusting assembly 11, the horizontal adjusting assembly 11 comprises a rotating device 16 and an I-shaped slide rail 17, the I-shaped slide rail 17 is fixed on the outer wall of the bottom of the rotating device 16 through bolts, the outer wall of the top of the rotating device 16 is rotatably connected with a connecting plate 12 through a circular rotating ring 15, the outer wall of the connecting plate 12 is fixed at the bottom of the unmanned aerial vehicle 2 through bolts, a motor support 13 is fixed on the outer wall of the connecting plate 12 through bolts, a rotating motor 14 is fixed on the outer wall of the motor support 13 through bolts, and an output shaft of the circular rotating ring 15 penetrates through the motor support 13 and is fixed on the outer wall of the top of the rotating device 16 through bolts; when the rotating motor 14 is started, the rotating device 16 can be driven to rotate, so that the I-shaped sliding rail 17 is driven to rotate, and the angle adjustment in the horizontal direction is realized; the inner wall of the i-shaped sliding rail 17 is provided with a sliding groove 19, the inner wall of the sliding groove 19 is connected with a sliding block 25 in a sliding manner, the outer walls of all the sliding blocks 25 are fixed with a same sliding plate 22 through bolts, and the scissors telescopic assembly 10 is installed at the bottom of the sliding plate 22; the inner parts of one group of the opposite sliding blocks 25 and the sliding plate 22 are rotatably connected with the same gear shaft 24, the outer wall of one sliding block 25 is fixed with a sliding motor 23 through a bolt, the output shaft of the sliding motor 23 is connected with the gear shaft 24 through a coupler, the outer wall of the gear shaft 24 is welded with a gear 21, the bottom of the gear 21 is meshed with a rack 20, and the rack 20 is welded on the inner side wall of the I-shaped sliding rail 17; when the sliding motor 23 is started, the sliding motor can drive the gear shaft 24 to rotate, so that the sliding plate 22 is driven to translate through the meshing action of the gear shaft 24 and the rack 20 and the sliding connection action of the slider 25 and the I-shaped sliding rail 17, and the movement of any angle position of a plane is completed by matching the rotation action of the I-shaped sliding rail 17, so that the whole device is not required to be frequently driven to move when fine position positioning is carried out, and the use convenience is improved; the outer walls of the end parts of the two sides of the I-shaped sliding rail 17 are fixed with limiting end panels 18 through bolts; the limiting end panel 18 can prevent the sliding block 25 and the i-shaped sliding rail 17 from derailing, so that the sliding plate 22 and the scissor telescopic assembly 10 are prevented from falling off, and the safety and the reliability of the device are improved.

In order to solve the detection problem, as shown in fig. 5, the detection mechanism 5 further includes two "L" shaped sliding plates 27, the two "L" shaped sliding plates 27 are both slidably connected to the outer wall of the bottom of the adjustment mechanism 4, the outer wall of one side of each of the two "L" shaped sliding plates 27 opposite to each other is fixed with a first telescopic rod 26 through a bolt, the camera 33 is fixed on one of the "L" shaped sliding plates 27 through a bolt, the outer wall of the other side of the "L" shaped sliding plate 27 is fixed with a second telescopic rod 31 through a bolt, and the detector module 32 is fixed at the telescopic end of the second telescopic rod 31 through a bolt; in this embodiment, the specific types of the first telescopic rod 26 and the second telescopic rod 31 are not limited, and may be an electric telescopic rod, a pneumatic telescopic rod and a hydraulic telescopic rod, and in order to consider cost and convenience of use, it is preferable that: the first telescopic rod 26 and the second telescopic rod 31 are both electric telescopic rods; the inner wall of the L-shaped sliding plate 27 is connected with V-shaped clamping jaws 30 in a sliding manner through sliding rods 28, and the two groups of V-shaped clamping jaws 30 are symmetrically arranged; when the first telescopic rod 26 is telescopic, the first telescopic rod 26 can drive the two L-shaped sliding plates 27 to be close to and far away from each other, when detection is needed, the two groups of V-shaped clamping jaws 30 can be moved and adjusted to two sides of the insulator, the first telescopic rod 26 is started to be contracted, the two groups of V-shaped clamping jaws 30 are close to each other at the moment, the insulator is tightly held and fixed, position deviation during subsequent detection can be prevented, subsequent detection precision is improved, in addition, due to the arrangement of the plurality of V-shaped clamping jaws 30, on one hand, insulators with different diameters can be tightly held, and on the other hand, when the V-shaped clamping jaws 30 are tightly held, the insulators can be clamped between umbrella skirts of the insulators, and the fixing stability is improved; the outer wall of the sliding rod 28 is sleeved with a spring 29; through setting up spring 29, because "V" type clamping jaw 30's actual centre gripping is embraced tight power and is provided by spring 29, can control spring 29's compressive capacity through the flexible volume of control telescopic link 26 to control clamping-force, and spring 29 can also absorb "V" type clamping jaw 30 and insulator contact impact in the twinkling of an eye, thereby the effectual damage that causes the insulator that prevents to examine time.

In the embodiment, when the rotary motor 14 is started, the rotary device 16 can be driven to rotate, so that the i-shaped slide rail 17 is driven to rotate, and the angle adjustment in the horizontal direction is realized, when the sliding motor 23 is started, the gear shaft 24 can be driven to rotate, so that the sliding plate 22 is driven to translate through the meshing action of the gear shaft 24 and the rack 20 and the sliding connection action of the slider 25 and the i-shaped slide rail 17, and the movement of any angle position of a plane is completed by matching with the rotation action of the i-shaped slide rail 17, when the scissors telescopic assembly 10 is telescopic, the adjusting mechanism 4 and the detecting mechanism 5 can be driven to complete the angle position adjustment in the vertical direction, so that when fine position positioning is performed, the whole device is not required to be frequently driven to move, in addition, when the telescopic rod one 26 is telescopic, the two L-shaped slide plates 27 can be driven to approach and separate from each other, and when detection is required, the two groups of V-shaped clamping jaws 30 can be moved and adjusted to two sides of the insulator, start the shrink of telescopic link 26, two sets of "V" type clamping jaw 30 are close to each other this moment to hold the insulator tightly fixed, and the actual centre gripping of "V" type clamping jaw 30 is held tightly power and is provided by spring 29, can control the compressive capacity of spring 29 through the flexible volume of control telescopic link 26, thereby control clamping-force, and spring 29 can also absorb the impact in the twinkling of an eye of "V" type clamping jaw 30 and insulator contact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The in-service insulator remote flaw detector comprises an unmanned aerial vehicle (2) and is characterized in that a pneumatic suspension structure (1) is arranged on the outer wall of the top of the unmanned aerial vehicle (2), the bottom of the unmanned aerial vehicle (2) is connected with an adjusting mechanism (4) through a multidirectional adjusting mechanism (3), a detection mechanism (5) is arranged at the bottom of the adjusting mechanism (4), the pneumatic suspension structure (1) comprises an air bag ball (6) and an air pump (9), the air pump (9) is fixedly installed on the body of the unmanned aerial vehicle (2), an air bag supporting plate (7) is fixedly installed on the outer wall of the bottom of the air bag ball (6), a supporting rod (8) is fixedly installed on the outer wall of the bottom of the air bag supporting plate (7), the supporting rod (8) is fixedly installed on the body of the unmanned aerial vehicle (2), the air outlet end of the air pump (9) is connected with the air inlet of the air bag ball (6) through a pipeline, and the air inlet end of the air pump (9) is connected with an air storage tank, and a gas medium is loaded in the air storage tank.

2. An in-service insulator remote flaw detector according to claim 1, wherein the detection mechanism (5) comprises a detector module (32) and a camera (33).

3. An in-service insulator remote flaw detector according to claim 2, wherein the detector module (32) comprises at least a micro-nuclear magnetic resonance detector and an vibro-acoustic flaw detection device.

4. The in-service insulator remote flaw detector according to claim 1, wherein the multidirectional adjusting mechanism (3) comprises a scissor telescopic assembly (10) and a horizontal adjusting assembly (11), the horizontal adjusting assembly (11) comprises a rotary device (16) and an I-shaped sliding rail (17), the I-shaped sliding rail (17) is fixedly installed on the outer wall of the bottom of the rotary device (16), the outer wall of the top of the rotary device (16) is rotatably connected with a connecting plate (12) through a circular rotating ring (15), and the outer wall of the connecting plate (12) is fixedly installed at the bottom of the body of the unmanned aerial vehicle (2).

5. An in-service insulator remote flaw detector according to claim 4, wherein a motor bracket (13) is fixedly installed on the outer wall of the connecting plate (12), a rotating motor (14) is fixedly installed on the outer wall of the motor bracket (13), and an output shaft of the circular rotating ring (15) penetrates through the motor bracket (13) and is fixedly installed on the top outer wall of the rotating device (16).

6. The in-service insulator remote flaw detector according to claim 4, wherein a sliding groove (19) is formed in the inner wall of the I-shaped sliding rail (17), a sliding block (25) is connected to the inner wall of the sliding groove (19) in a sliding manner, the same sliding plate (22) is fixedly mounted on the outer wall of all the sliding blocks (25), and the scissor telescopic assembly (10) is mounted at the bottom of the sliding plate (22).

7. The in-service insulator remote flaw detector of claim 6, wherein a same gear shaft (24) is rotatably connected to the inside of one set of the opposite sliders (25) and the sliding plate (22), a sliding motor (23) is fixedly mounted on the outer wall of one of the sliders (25), an output shaft of the sliding motor (23) is connected with the gear shaft (24) through a coupler, a gear (21) is fixedly mounted on the outer wall of the gear shaft (24), a rack (20) is meshed at the bottom of the gear (21), and the rack (20) is fixedly mounted on the inner side wall of the I-shaped sliding rail (17).

8. The in-service insulator remote flaw detector of claim 7, wherein the outer walls of the two side ends of the I-shaped slide rail (17) are fixedly provided with limiting end panels (18).

9. The in-service insulator remote flaw detector according to claim 3, wherein the detection mechanism (5) further comprises two L-shaped sliding plates (27), the two L-shaped sliding plates (27) are both slidably connected to the outer wall of the bottom of the adjusting mechanism (4), the outer wall of one side of each of the two L-shaped sliding plates (27) opposite to each other is fixedly provided with a first telescopic rod (26), the camera (33) is fixedly arranged on one of the L-shaped sliding plates (27), the outer wall of the other side of each of the L-shaped sliding plates (27) is fixedly provided with a second telescopic rod (31), and the detector module (32) is fixedly arranged at the telescopic end of the second telescopic rod (31).

10. An in-service insulator remote flaw detector according to claim 9, wherein the inner wall of the L-shaped sliding plate (27) is connected with V-shaped clamping jaws (30) through sliding rods (28) in a sliding manner, the two groups of V-shaped clamping jaws (30) are arranged symmetrically, and springs (29) are sleeved on the outer wall of the sliding rods (28).