阅读说明：本技术 一种电力绝缘子防污闪清洁施工系统及施工方法 (Anti-pollution flashover cleaning construction system and construction method for power insulator ) 是由 任林赟 赵爱红 于 2020-12-08 设计创作，主要内容包括：本发明涉及一种电力绝缘子防污闪清洁施工系统,包括提升机构、上定位机构、清洁机构、传动机构和下定位机构,所述提升机构左侧可分离的连接有传动机构,所述传动机构上方居中固定连接有清洁机构,传动机构下方居中固定连接有下定位机构,所述上定位机构位于所述清洁机构的上方,下定位机构通过钢丝绳和上定位机构连接。该系统包括以下步骤：S1、准备工作；S2、装置提升；S3、上方定位；S4、自动清洁；S5、装置回收。本发明提供了一种有效的自动对绝缘子串物理清洁的方式,替代了人力,提高了清洁效率,也避免的工人高空带电作业的危险,同时工作时通过控制第一清洁布和第二清洁布自动更换,避免了使用后的第一清洁布和第二清洁布上污秽聚积影响后续清洁工作,提高了清洁质量和效率。(The invention relates to an electric insulator anti-pollution flashover cleaning construction system which comprises a lifting mechanism, an upper positioning mechanism, a cleaning mechanism, a transmission mechanism and a lower positioning mechanism, wherein the left side of the lifting mechanism is detachably connected with the transmission mechanism, the cleaning mechanism is fixedly connected above the transmission mechanism in the middle, the lower positioning mechanism is fixedly connected below the transmission mechanism in the middle, the upper positioning mechanism is positioned above the cleaning mechanism, and the lower positioning mechanism is connected with the upper positioning mechanism through a steel wire rope. The system comprises the following steps: s1, preparing; s2, lifting the device; s3, positioning above; s4, automatic cleaning; and S5, recovering by the device. The invention provides an effective automatic insulator string physical cleaning mode, which replaces manpower, improves cleaning efficiency, avoids danger of workers in high-altitude live-line work, simultaneously avoids subsequent cleaning work influenced by dirt accumulation on the used first cleaning cloth and the second cleaning cloth by controlling the first cleaning cloth and the second cleaning cloth to be automatically replaced during work, and improves cleaning quality and efficiency.)

1. An electric insulator anti-pollution flashover cleaning construction system comprises a lifting mechanism (1), an upper positioning mechanism (2), a cleaning mechanism (3), a transmission mechanism (4) and a lower positioning mechanism (5); the method is characterized in that: the left side of the lifting mechanism (1) is detachably connected with a transmission mechanism (4), a cleaning mechanism (3) is fixedly connected to the upper center of the transmission mechanism (4), a lower positioning mechanism (5) is fixedly connected to the lower center of the transmission mechanism (4), the upper positioning mechanism (2) is located above the cleaning mechanism (3), and the lower positioning mechanism (5) is connected with the upper positioning mechanism (2) through a steel wire rope; go up positioning mechanism (2) and be used for and treat that the top of clean insulator chain is fixed a position, positioning mechanism (5) are used for with clean mechanism (3) location with treat the concentric position of abluent insulator, hoist mechanism (1) are used for with go up positioning mechanism (2) and transport insulator chain's top, positioning mechanism (5) can be controlled through control wire rope's rolling down thereby clean mechanism (3) carry out the cleaning of up-and-down motion completion to insulator chain for last positioning mechanism (2), drive mechanism (4) are used for control clean mechanism (3) are right treat that clean insulator is cleaned cleans.

2. The electric insulator anti-pollution flashover cleaning construction system according to claim 1, characterized in that: the cleaning mechanism (3) comprises an outer cleaning block (301), an inner cleaning block (302), an upper right roller (303), a lower right roller (304), an inner motor (305), an outer motor (306), an outer gear (307), an inner gear (308), an upper electric pole (309), a lower electric pole (310), a position sensor (311), an inner roller (312), an outer roller (313) and a cleaning gear (314); the middle part of the cleaning gear (314) is provided with a first U-shaped avoiding groove (3141), rectangular grooves are respectively formed in the upper side and the lower side of the right side of the first U-shaped avoiding groove (3141), a right upper rolling shaft (303) is fixedly installed in the upper rectangular groove, an upper electric pole (309) is arranged in front of the upper rectangular groove, an outer cleaning block (301) is fixedly connected to the telescopic end of the upper electric pole (309), the front end of the outer cleaning block (301) is an inward concave annular curved surface, and the annular curved surface can be attached to the outer curved surface part of the insulator; a right lower rolling shaft (304) is fixedly arranged in the lower rectangular groove, and the right lower rolling shaft (304) is fixedly connected with an output shaft of an inner motor (305); a position sensor (311) is arranged on the right side in the first U-shaped avoidance groove (3141); a lower electric pole (310) is fixed in the middle of the left side of the first U-shaped avoidance groove (3141), the telescopic end of the lower electric pole (310) is fixedly connected with the inner cleaning block (302), and the front curved surface part of the inner cleaning block (302) can be attached to the cylindrical surface of the insulator when the inner cleaning block works; an inner rolling shaft (312) and an outer rolling shaft (313) are respectively arranged at two sides of the lower electric pole (310) in the first U-shaped avoiding groove (3141), and the lower end of the outer rolling shaft (313) is fixedly connected with an inner gear (308); an outer motor (306) is arranged on the side wall of the first U-shaped avoidance groove (3141), an outer gear (307) is fixedly connected to an output shaft of the outer motor (306), and the outer gear (307) is meshed with an inner gear (308); a rolled first cleaning cloth is arranged on the right upper roller (303), one end of the first cleaning cloth bypasses the front part of the outer cleaning block (301) and is fixedly connected to the right lower roller (304), a rolled second cleaning cloth is arranged on the inner roller (312), and one end of the second cleaning cloth bypasses the front part of the inner cleaning block (302) and is fixedly connected to the outer roller (313).

3. The electric insulator anti-pollution flashover cleaning construction system according to claim 1, characterized in that: the upper positioning mechanism (2) comprises three positioning blocks (201), three positioning gears (202), a first notch gear (203), a positioning electric pole (204), four steel wire rope fixing blocks (205), a first cross beam (206), a positioning ring (207) and three positioning sliding blocks (208); four steel wire rope fixing blocks (205) are uniformly distributed on the outer circumferential side wall of the positioning ring (207), three positioning grooves are uniformly distributed on the upper end face of the positioning ring (207) along the circumferential direction, the three positioning sliding blocks (208) are respectively arranged in the three positioning grooves in a sliding manner, and a positioning block (201) is fixedly connected to each positioning sliding block (208); a first notch gear (203) and three positioning gears (202) are rotationally connected in the positioning ring (207), racks are arranged on the positioning sliding blocks (208), the three positioning gears (202) are respectively meshed with the racks on the three positioning sliding blocks (208), and the three positioning gears (202) are also meshed with the first notch gear (203); a first beam (206) is arranged above the positioning ring (207), the positioning electric pole (204) is fixedly connected above the first beam (206), and the telescopic end of the positioning electric pole (204) is fixedly connected with one positioning sliding block (208); a second U-shaped avoidance groove (2071) is arranged in the middle of the positioning ring (207); the positioning ring (207) is positioned above the cleaning gear (314).

4. The electric insulator anti-pollution flashover cleaning construction system according to claim 1, characterized in that: the lifting mechanism (1) comprises an unmanned aerial vehicle (101), a landing gear (102), a locking electric pole (103), a locking positioning block (104), a counterweight box (105), a counterweight electric pole (106), a counterweight block (107) and a butt joint positioning block (108); landing gears (102) are arranged on two sides of the unmanned aerial vehicle (101), and the counterweight box (105) is fixedly connected to the lower end of the unmanned aerial vehicle (101); a locking positioning block (104) is arranged at the left end of the upper part of the counterweight box (105), and two through holes (1041) are symmetrically formed in the locking positioning block (104); a locking electric pole (103) is arranged at the upper end of the counterweight box (105) on the right side of the locking positioning block (104), and a butt joint positioning block (108) is fixedly connected with the telescopic end of the locking electric pole (103); two positioning rods (1081) are symmetrically arranged on the butt joint positioning block (108), and the two positioning rods (1081) are respectively in sliding fit with the two through holes (1041) on the locking positioning block (104); counterweight box (105) inside is equipped with counterweight pole (106), and counterweight box (105) lower part is equipped with T-slot (1051), the upper end of balancing weight (107) is equipped with sliding fit and is in guide block in T-slot (1051), the flexible end fixed connection of guide block and counterweight pole (106).

5. The electric insulator anti-pollution flashover cleaning construction system according to claim 1, characterized in that: the transmission mechanism (4) comprises a mounting plate (401), a motor (402), a driving gear (403), a first driven gear (404), a second driven gear (405) and an arc-shaped sliding rail (406); a motor (402) is arranged below the mounting plate (401), a driving gear (403) is fixedly connected to an output shaft of the motor (402), and a first driven gear (404) and a second driven gear (405) are rotatably connected to the upper end of the mounting plate (401) and are meshed with the driving gear (403); two positioning through holes (4012) are symmetrically formed in the side face of the mounting plate (401), and the radiuses of the positioning through holes (4012) and through holes (1041) in the locking positioning block (104) are the same; an arc-shaped sliding groove (4011) is formed in the front portion of the mounting plate (401), an arc-shaped sliding rail (406) is connected in the arc-shaped sliding groove (4011) in a sliding mode, the arc-shaped sliding rail (406) is fixedly connected with the lower end of the cleaning gear (314), and an avoiding opening for the insulator to penetrate through is formed in the side wall of the arc-shaped sliding rail (406); the first driven gear (404) and the second driven gear (405) are meshed with the cleaning gear (314); when the positioning rod (1081) extends into the through hole (1041) and the positioning through hole (4012), the lifting mechanism (1) and the transmission mechanism (4) form fixed connection, and when the positioning rod (1081) is withdrawn from the through hole (1041) and the positioning through hole (4012), the lifting mechanism (1) and the transmission mechanism (4) are separated.

6. The electric insulator anti-pollution flashover cleaning construction system according to claim 1, characterized in that: the lower positioning mechanism (5) comprises four steel wire rope motors (501), a second notch gear (502), three lower positioning blocks (503), three lower positioning gears (504), a lower positioning electric pole (505), a lower cross beam (506), a lower positioning ring (507) and three lower positioning sliding blocks (508); the lower positioning ring (507) is fixedly connected below the mounting plate (401); a third U-shaped avoidance groove (5071) is arranged on the lower positioning ring (507); four steel wire rope motors (501) are uniformly distributed on the upper surface of the lower positioning ring (507), four steel wire ropes are arranged, one end of each steel wire rope is fixedly connected with the steel wire rope fixing block (205), and the other end of each steel wire rope is wound on an output shaft of the steel wire rope motor (501); three rectangular holes are uniformly distributed in the lower end face of the lower positioning ring (507) along the circumferential direction, the three lower positioning sliding blocks (508) are respectively arranged in the rectangular holes in a sliding mode, racks are arranged on the lower positioning sliding blocks (508), a second notch gear (502) and three lower positioning gears (504) are rotationally connected to the lower positioning ring (507), the three lower positioning gears (504) are respectively meshed with the rack parts of the three lower positioning sliding blocks (508), and the three lower positioning gears (504) are further meshed with the second notch gear (502); a lower cross beam (506) is arranged on the lower end face of the lower positioning ring (507), the lower positioning electric pole (505) is fixedly connected below the lower cross beam (506), and the telescopic end of the lower positioning electric pole (505) is fixedly connected with one lower positioning sliding block (508); the three lower positioning blocks (503) are respectively and fixedly connected with the inner sides of the three lower positioning slide blocks (508); the wire ropes can be controlled to be wound and unwound by controlling the rotation directions of the four wire rope motors (501), so that the lower positioning mechanism (5) can be controlled to move up and down relative to the upper positioning mechanism (2).

7. The construction method of the electric insulator anti-pollution flashover cleaning construction system according to any one of the claims 1 to 6, characterized in that the construction method of the electric insulator anti-pollution flashover cleaning construction system comprises the following steps:

s1, preparation: after the lifting mechanism (1) of the operator is detachably connected with the transmission mechanism (4), whether the upper positioning mechanism (2), the cleaning mechanism (3) and the lower positioning mechanism (5) are in an initial state is checked;

s2, lifting the device: an operator controls the lifting mechanism (1) to lift the system to a proper position, so that the center of the curve part of the upper positioning mechanism (2) is approximately aligned with the center of the insulator string, the position of the bottom of the upper positioning mechanism (2) which is attached to the upper surface of the uppermost insulator string is unchanged, and then the lifting mechanism (1) is separated from the transmission mechanism (4) and returns according to the original path;

s3, positioning above: the upper positioning mechanism (2) works, the arc-shaped part of the upper positioning mechanism is completely spliced to be a whole circle and is attached to the cylindrical surface with the smallest radius of the insulator string, so that the working center of the system is overlapped with the circle center of the insulator string, and the stable work of the system is ensured;

s4, automatic cleaning: the transmission mechanism (4) is started, the cleaning mechanism (3) is controlled to automatically clean the excircle curved surface of one insulating character string and the interval area between two insulators, after cleaning is completed each time, the lower positioning mechanism (5) controls the cleaning mechanism (3) to move downwards relative to the upper positioning mechanism (2) for a fixed distance by controlling the unwinding of a steel wire rope, and then the cleaning mechanism (3) completes cleaning of the excircle curved surface of the next insulating character string and the interval area between the two insulating character strings;

s5, device recovery: after all cleaning is finished, the cleaning mechanism (3), the transmission mechanism (4) and the lower positioning mechanism (5) reset, after the lifting mechanism (1) and the transmission mechanism (4) are controlled by an operator to be in butt joint, the upper positioning mechanism (2) resets, and the lifting mechanism (1) is controlled by the operator to drive the whole device to return.

Technical Field

The invention belongs to the technical field of electric power construction, and particularly relates to an anti-pollution flashover cleaning construction system and method for an electric power insulator.

Background

An insulator string is an assembly of two or more insulator elements combined together for flexibly suspending a conductor. When the insulator is used, the insulator is subjected to sunshine, rain, climate change and chemical substance corrosion, a layer of dirt covers the surface of the insulator after a period of time, and under the condition of high atmospheric humidity, the surface of the insulator is wetted by the dirt layer, the surface conductance of the insulator is increased sharply, so that the leakage current of the insulator is increased sharply, the pollution flashover phenomenon is easy to occur, accidents are caused, and the insulator needs to be cleaned regularly; however, the existing electric insulator cleaning mainly has the following problems: the traditional insulator string cleaning method is characterized in that a worker climbs an electric tower to clean a handheld tool, needs to pay attention to keep balance at any moment, and is high in operation difficulty, low in cleaning efficiency and potential safety hazard; most of the existing automatic cleaning methods are charged water washing insulator strings, the method has high requirements on water quality, large water consumption and high cost, and adjacent insulators are easy to have flashover in sputtered water mist; other automatic cleaning technologies which do not adopt charged water washing mostly use cleaning tools such as brushes to sweep, and the brushes are easily stuck with dirt, so that the subsequent cleaning quality is influenced.

Disclosure of Invention

In order to solve the problems, the invention provides an anti-pollution flashover cleaning construction system for an electric insulator, which comprises a lifting mechanism, an upper positioning mechanism, a cleaning mechanism, a transmission mechanism and a lower positioning mechanism, wherein the lifting mechanism is arranged on the upper positioning mechanism; the left side of the lifting mechanism is detachably connected with a transmission mechanism, a cleaning mechanism is fixedly connected to the middle above the transmission mechanism, a lower positioning mechanism is fixedly connected to the middle below the transmission mechanism, the upper positioning mechanism is located above the cleaning mechanism, and the lower positioning mechanism is connected with the upper positioning mechanism through a steel wire rope; go up positioning mechanism for with treat that the top of clear insulator chain is fixed a position, positioning mechanism is used for with down clean mechanism location with treat the concentric position of abluent insulator, hoist mechanism be used for with it transports to go up positioning mechanism the top of insulator chain, positioning mechanism can control through control wire rope's rolling down clean mechanism carries out the up-and-down motion for last positioning mechanism, drive mechanism is used for controlling clean mechanism is right treat that clean insulator washs.

Preferably, the cleaning mechanism comprises an outer cleaning block, an inner cleaning block, an upper right roller, a lower right roller, an inner motor, an outer gear, an inner gear, an upper electric pole, a lower electric pole, a position sensor, an inner roller, an outer roller and a cleaning gear; the middle part of the cleaning gear is provided with a first U-shaped avoidance groove, rectangular grooves are formed in the right side of the first U-shaped avoidance groove from top to bottom, an upper right rolling shaft is fixedly installed in the upper rectangular groove, an upper electric pole is arranged in front of the upper rectangular groove, an outer cleaning block is fixedly connected with the telescopic end of the upper electric pole, the front end of the outer cleaning block is an inner concave annular curved surface, and the annular curved surface can be partially attached to the outer curved surface of the insulator; a right lower rolling shaft is fixedly arranged in the lower rectangular groove and is fixedly connected with an output shaft of the inner motor; a position sensor is arranged on the right side in the first U-shaped avoidance groove; a lower electric pole is fixed in the middle of the left side of the first U-shaped avoidance groove, the telescopic end of the lower electric pole is fixedly connected with the inner cleaning block, and the front curved surface part of the inner cleaning block can be attached to the cylindrical surface of the insulator when the inner cleaning block works; an inner rolling shaft and an outer rolling shaft are respectively arranged at two sides of the lower electric pole in the first U-shaped avoidance groove, and an inner gear is fixedly connected at the lower end of the outer rolling shaft; an outer motor is arranged on the side wall of the first U-shaped avoidance groove, an outer gear is fixedly connected to an output shaft of the outer motor, and the outer gear is meshed with the inner gear; the upper right roller is wound with a roll type first cleaning cloth, one end of the first cleaning cloth bypasses the front of the outer cleaning block and is fixedly connected to the lower right roller, the inner roller is also wound with a roll type second cleaning cloth, the second cleaning cloth bypasses the front of the inner cleaning block and is fixedly connected to the outer roller, the outer cleaning block and the inner cleaning block press the first cleaning cloth and the second cleaning cloth in front of the outer cleaning block to enable the first cleaning cloth and the second cleaning cloth to be attached to the surface to be cleaned of the insulator string to finish cleaning during working, and the inner motor and the outer motor rotate forward to enable the first cleaning cloth and the second cleaning cloth to finish replacing automatically after one-time cleaning is finished; when the device works, the upper electric pole extends to drive the outer cleaning block to move forwards, the annular curved surface with the concave inner shape at the front end presses the first cleaning cloth to be attached to the curved surface part on the outer side of the insulator, the lower electric pole extends to drive the inner cleaning block to move forwards, the curved surface part on the front part of the upper electric pole presses the second cleaning cloth to be attached to the cylindrical surface of the insulator, the plane part on the upper part of the upper electric pole presses the second cleaning cloth to be attached to the lower plane of the upper insulator string, and the plane part on the lower part of the upper electric pole presses the second cleaning cloth to be; the cleaning gear is rotated to drive the outer cleaning block and the inner cleaning block to press the first cleaning cloth and the second cleaning cloth to rotate to complete cleaning, after one rotation is finished, the upper electric pole and the lower electric pole reset, the inner motor is started to enable the lower right roller to rotate, the unused first cleaning cloth on the upper right roller is unreeled to enter a working position, the used first cleaning cloth is wound on the lower right roller, meanwhile, the outer motor is started to enable the unused second cleaning cloth on the inner roller to be unreeled to enter the working position, the used second cleaning cloth is wound on the outer roller, the first cleaning cloth and the second cleaning cloth are automatically replaced during working, the phenomenon that dirt on the surfaces of the first cleaning cloth and the second cleaning cloth is accumulated to influence subsequent cleaning is prevented, the cleaning quality and the cleaning efficiency are improved, meanwhile, through the cooperation of the inner cleaning block and the outer cleaning block, the plane and the curved surface part of the insulator string can be carefully cleaned, and.

Preferably, the upper positioning mechanism comprises three positioning blocks, three positioning gears, a first notch gear, a positioning electric pole, four steel wire rope fixing blocks, a first cross beam, a positioning ring and three positioning sliders; four steel wire rope fixing blocks are uniformly distributed on the side wall of the outer circumference of the positioning ring, three positioning grooves are uniformly distributed on the upper end surface of the positioning ring along the circumferential direction, three positioning sliding blocks are respectively arranged in the three positioning grooves in a sliding manner, and each positioning sliding block is fixedly connected with a positioning block; a first notch gear and three positioning gears are rotationally connected in the positioning ring, racks are arranged on the positioning sliding blocks, the three positioning gears are respectively meshed with the racks on the three positioning sliding blocks, and the three positioning gears are also meshed with the first notch gear; a first beam is arranged above the positioning ring, the positioning electric pole is fixedly connected above the first beam, and the telescopic end of the positioning electric pole is fixedly connected with one positioning sliding block; a second U-shaped avoidance groove is formed in the middle of the positioning ring; the positioning ring is positioned above the cleaning gear; during specific work, the positioning electric pole is contracted, the positioning sliding block which is fixedly connected with the telescopic end of the positioning electric pole is driven to move inwards, the positioning gear which is meshed with the rack part of the positioning sliding block rotates clockwise, the positioning gear is meshed with the first notch gear, the first notch gear is connected in the positioning ring in a rotating mode, therefore, the first notch gear rotates anticlockwise, the other two positioning gears which are meshed with the other two positioning gears are driven to rotate clockwise and anticlockwise, the two positioning gears are respectively meshed with the rack parts of the other two positioning sliding blocks, therefore, the other two positioning sliding blocks are driven to move inwards, the three positioning blocks are folded, the arc line parts are spliced into a whole circle and are attached to the cylindrical surface of the insulator, the center of the system is coincident with the center of the circle of the insulator string, and the.

Preferably, the lifting mechanism comprises an unmanned aerial vehicle, a landing gear, a locking electric pole, a locking positioning block, a counterweight box, a counterweight electric pole, a counterweight block and a butt joint positioning block; the two sides of the unmanned aerial vehicle are provided with landing gears, and the counterweight box is fixedly connected to the lower end of the unmanned aerial vehicle; a locking positioning block is arranged at the left end of the upper part of the counterweight box, and two through holes are symmetrically formed in the locking positioning block; a locking electric pole is arranged at the upper end of the counterweight box on the right side of the locking positioning block, and a butt joint positioning block is fixedly connected with the telescopic end of the locking electric pole; two positioning rods are symmetrically arranged on the butt joint positioning block and are respectively in sliding fit with the two through holes on the locking positioning block; a counterweight electric pole is arranged in the counterweight box, a T-shaped groove is formed in the lower part of the counterweight box, a guide block which is in sliding fit with the T-shaped groove is arranged at the upper end of the counterweight block, and the guide block is fixedly connected with the telescopic end of the counterweight electric pole; when concrete during operation, if hoist mechanism and drive mechanism break away from, the counter weight pole contracts, drives the balancing weight and removes to the unmanned aerial vehicle bottom, makes hoist mechanism focus not take place the skew, if hoist mechanism and drive mechanism when docking, the counter weight pole extension, the balancing weight moves to the right, continues to make hoist mechanism focus keep in order to ensure the stability of hoist mechanism during operation in the unmanned aerial vehicle below.

Preferably, the transmission mechanism comprises a mounting plate, a motor, a driving gear, a first driven gear, a second driven gear and an arc-shaped sliding rail; a motor is arranged below the mounting plate, a driving gear is fixedly connected to an output shaft of the motor, and a first driven gear and a second driven gear are rotatably connected to the upper end of the mounting plate and are meshed with the driving gear; two positioning through holes are symmetrically arranged on the side surface of the mounting plate, and the radius of the positioning through holes is the same as that of the through holes on the locking positioning blocks; the front part of the mounting plate is provided with an arc-shaped sliding chute, an arc-shaped sliding rail is connected in the arc-shaped sliding chute in a sliding manner, and the arc-shaped sliding rail is fixedly connected with the lower end of the cleaning gear; the first driven gear and the second driven gear are meshed with the cleaning gear; when the positioning rod extends into the through hole and the positioning through hole, the lifting mechanism and the transmission mechanism form fixed connection, and when the positioning rod is withdrawn from the through hole and the positioning through hole, the lifting mechanism and the transmission mechanism are separated; when the cleaning mechanism works, the motor is started to drive the driving gear, the driving gear drives the first driven gear and the second driven gear which are meshed with the driving gear to rotate, and the first driven gear and the second driven gear rotate to enable the cleaning gear on the cleaning mechanism which is meshed with the first driven gear and the second driven gear to rotate to complete cleaning work.

Preferably, the lower positioning mechanism comprises four steel wire rope motors, a second notch gear, three lower positioning blocks, three lower positioning gears, a lower positioning electric pole, a lower cross beam, a lower positioning ring and three lower positioning sliding blocks; the lower positioning ring is fixedly connected below the mounting plate; a third U-shaped avoidance groove is formed in the lower positioning ring; four steel wire rope motors are uniformly distributed on the upper surface of the lower positioning ring, four steel wire ropes are arranged, one end of each steel wire rope is fixedly connected with the steel wire rope fixing block, and the other end of each steel wire rope is wound on an output shaft of the steel wire rope motor; three rectangular holes are uniformly distributed in the lower end face of the lower positioning ring along the circumferential direction, the three lower positioning sliding blocks are respectively arranged in the rectangular holes in a sliding manner, racks are arranged on the lower positioning sliding blocks, a second notch gear and three lower positioning gears are rotatably connected in the lower positioning ring, the three lower positioning gears are respectively meshed with the rack parts of the three lower positioning sliding blocks, and the three lower positioning gears are also meshed with the second notch gear; the lower end face of the lower positioning ring is provided with a lower cross beam, the lower positioning electric pole is fixedly connected below the lower cross beam, and the telescopic end of the lower positioning electric pole is fixedly connected with one of the lower positioning sliding blocks; the three lower positioning blocks are respectively fixedly connected with the inner sides of the three lower positioning sliding blocks; the steel wire ropes can be controlled to be wound and unwound by controlling the rotating directions of the four steel wire rope motors, so that the lower positioning mechanism can be controlled to move up and down relative to the upper positioning mechanism; when the positioning mechanism works, the steel wire rope motor rotates forwards to enable the steel wire rope wound on the output shaft of the steel wire rope motor to be unwound, and the positioning mechanism moves downwards along with the unwinding of the steel wire rope under the influence of gravity; when the lower positioning mechanism reaches a proper position, the lower positioning electric pole is contracted to drive the lower positioning slide block fixedly connected with the telescopic end of the lower positioning electric pole to move inwards, the lower positioning gear meshed with the rack part of the lower positioning slide block rotates clockwise, because the lower positioning gear is meshed with the second notch gear which is rotationally connected in the lower positioning ring, therefore, the second notch gear rotates anticlockwise to drive the other two lower positioning teeth meshed with the second notch gear to rotate clockwise and anticlockwise, and the two lower positioning gears are respectively meshed with the other two lower positioning slide block rack parts, therefore, the other two lower positioning sliding blocks are driven to move inwards, the three lower positioning blocks are folded, arc lines are spliced into a whole circle and attached to the cylindrical surface of the insulator, the center of the work of the system is coincident with the circle center of the insulator string, and the cleaning effect is prevented from being influenced by the shaking of the whole device in the working process.

In addition, the invention also provides a construction method of the anti-pollution flashover clean construction system of the electric insulator, which comprises the following steps:

s1, preparation: after the lifting mechanism and the transmission mechanism of the operator are detachably connected, checking whether the upper positioning mechanism, the cleaning mechanism and the lower positioning mechanism are in an initial state;

s2, lifting the device: an operator controls the lifting mechanism to lift the system to a proper position, so that the circle center of the curve part of the upper positioning mechanism is approximately aligned with the circle center of the insulator string, the position of the bottom of the upper positioning mechanism, which is attached to the upper surface of the uppermost insulator string, is unchanged, and then the lifting mechanism is separated from the transmission mechanism and returns according to the original path;

s3, positioning above: the upper positioning mechanism works, the arc-shaped part of the upper positioning mechanism is completely spliced to be a whole circle and is attached to the cylindrical surface with the smallest radius of the insulator string, so that the working center of the system is overlapped with the circle center of the insulator string, and the stable work of the system is ensured;

s4, automatic cleaning: the transmission mechanism is started, the cleaning mechanism is controlled to automatically clean the excircle curved surface of one insulating string and the interval area between two insulating strings, after cleaning is finished each time, the lower positioning mechanism controls the cleaning mechanism to move downwards relative to the upper positioning mechanism for a fixed distance by controlling the unwinding of a steel wire rope, and then the cleaning mechanism finishes cleaning the excircle curved surface of the next insulating string and the interval area between two insulating strings;

s5, device recovery: after all cleaning is finished, the cleaning mechanism, the transmission mechanism and the lower positioning mechanism reset, after an operator controls the lifting mechanism to be in butt joint with the transmission mechanism, the upper positioning mechanism resets, the operator controls the lifting mechanism to drive the whole device to return, and the cleaning work of the insulator string of the primary substation is finished.

Compared with the prior art, the invention has the advantages that:

the device is lifted to a proper position through the lifting mechanism, the displacement of the cleaning mechanism is controlled through the steel wire rope motor, the cleaning mechanism is controlled through the transmission mechanism to clean the insulator, the position precision in working is ensured through the upper positioning mechanism and the lower positioning mechanism, the cleaning work of the insulator can be completed automatically, manpower is replaced, the cleaning efficiency is improved, and the danger of high-altitude live working of workers is avoided;

the cleaning mechanism is used for physically removing the dirt, compared with the existing automatic cleaning method for the insulator string flushed by the electrified water, the waste of water resources is avoided, the cleaning cost is reduced, and the problem that the adjacent insulator is easy to have flashover in the sputtered water mist during flushing is avoided;

thirdly, the method comprises the following steps: the cleaning cloth is tightly attached to each surface of the insulator by the cleaning block with a special structure, and the cleaning cloth is controlled to be automatically replaced, so that the phenomenon that subsequent cleaning work is influenced by dirt accumulation on the used cleaning cloth is avoided, and the cleaning quality and efficiency are improved.

Drawings

FIG. 1 is a left side view of the integrated device of the present invention;

FIG. 2 is a front view of the integrated device of the present invention;

FIG. 3 is a schematic three-dimensional structure of the integrated device of the present invention;

FIG. 4 is a bottom view of the integrated device of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 6 is a schematic three-dimensional view of the lifting mechanism of the present invention;

FIG. 7 is a top view of the upper positioning mechanism of the present invention;

FIG. 8 is a schematic three-dimensional view of the upper positioning mechanism of the present invention in operation;

FIG. 9 is a top view of the upper positioning mechanism in a reset state in accordance with the present invention;

FIG. 10 is a schematic three-dimensional view of the drive mechanism and cleaning mechanism of the present invention;

FIG. 11 is a top view of the drive mechanism and cleaning mechanism of the present invention;

FIG. 12 is a schematic three-dimensional view of the left side of the cleaning mechanism of the present invention;

FIG. 13 is a schematic diagram of the right side view of the cleaning mechanism in three dimensions in accordance with the present invention;

FIG. 14 is a bottom view of the lower positioning mechanism of the present invention;

FIG. 15 is a schematic three-dimensional view of the lower positioning mechanism of the present invention;

figure 16 is a schematic view of the cleaning mechanism of the present invention in operation.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1-16, is a preferred embodiment of the present invention.

An electric insulator anti-pollution flashover cleaning construction system comprises a lifting mechanism 1, an upper positioning mechanism 2, a cleaning mechanism 3, a transmission mechanism 4 and a lower positioning mechanism 5; the left side of the lifting mechanism 1 is detachably connected with a transmission mechanism 4, a cleaning mechanism 3 is fixedly connected above the transmission mechanism 4 in the middle, a lower positioning mechanism 5 is fixedly connected below the transmission mechanism 4 in the middle, the upper positioning mechanism 2 is positioned above the cleaning mechanism 3, and the lower positioning mechanism 5 is connected with the upper positioning mechanism 2 through a steel wire rope; go up positioning mechanism 2 and be used for and treat that the top of clean insulator chain is fixed a position, positioning mechanism 5 is used for with clean mechanism 3 location with treat the concentric position of abluent insulator, hoist mechanism 1 is used for with go up positioning mechanism 2 and transport the top of insulator chain, positioning mechanism 5 can control through control wire rope's rolling down clean mechanism 3 carries out the up-and-down motion for last positioning mechanism 2, drive mechanism 4 is used for control clean mechanism 3 is right treat that clean insulator cleans.

The cleaning mechanism 3 comprises an outer cleaning block 301, an inner cleaning block 302, an upper right roller 303, a lower right roller 304, an inner motor 305, an outer motor 306, an outer gear 307, an inner gear 308, an upper electric pole 309, a lower electric pole 310, a position sensor 311, an inner roller 312, an outer roller 313 and a cleaning gear 314; a first U-shaped avoiding groove 3141 is formed in the middle of the cleaning gear 314, rectangular grooves are formed in the upper and lower sides of the right side of the first U-shaped avoiding groove 3141, an upper right roller 303 is fixedly installed in the upper rectangular groove, an upper electric pole 309 is arranged in front of the upper rectangular groove, an outer cleaning block 301 is fixedly connected with the telescopic end of the upper electric pole 309, the front end of the outer cleaning block 301 is an inward concave annular curved surface, and the annular curved surface can be attached to the outer curved surface of the insulator; a right lower roller 304 is fixedly arranged in the lower rectangular groove, and the right lower roller 304 is fixedly connected with an output shaft of the inner motor 305; a position sensor 311 is arranged on the right side in the first U-shaped avoiding groove 3141; a lower electric pole 310 is fixed in the middle of the left side of the first U-shaped avoiding groove 3141, the telescopic end of the lower electric pole 310 is fixedly connected with the inner cleaning block 302, and the front curved surface part of the inner cleaning block 302 can be attached to the cylindrical surface of the insulator when the inner cleaning block 302 works; an inner roller 312 and an outer roller 313 are respectively arranged at two sides of the lower electric pole 310 in the first U-shaped avoidance groove 3141, and an inner gear 308 is fixedly connected to the lower end of the outer roller 313; an outer motor 306 is arranged on the side wall of the first U-shaped avoidance groove 3141, an outer gear 307 is fixedly connected to an output shaft of the outer motor 306, and the outer gear 307 is meshed with an inner gear 308; a roll type first cleaning cloth is wound on the upper right roller 303, one end of the first cleaning cloth bypasses the front of the outer cleaning block 301 and is fixedly connected to the lower right roller 304, a roll type second cleaning cloth is wound on the inner roller 312, the second cleaning cloth bypasses the front of the inner cleaning block 302 and is fixedly connected to the outer roller 313, the outer cleaning block 301 and the inner cleaning block 302 press the first cleaning cloth and the second cleaning cloth in front of the outer cleaning block and are attached to the cleaning surfaces of the insulator string to be cleaned to finish cleaning, and the inner motor 305 and the outer motor 306 rotate positively after the primary cleaning is finished to automatically finish the replacement of the first cleaning cloth and the second cleaning cloth which finish the cleaning; during specific work, the upper electric pole 309 extends to drive the outer cleaning block 301 to move forwards, the annular curved surface with the concave shape at the front end presses the first cleaning cloth to be attached to the curved surface part on the outer side of the insulator, the lower electric pole 310 extends to drive the inner cleaning block 302 to move forwards, the curved surface part on the front part presses the second cleaning cloth to be attached to the cylindrical surface of the insulator, the plane part on the upper part presses the second cleaning cloth to be attached to the lower plane of the upper insulator string, and the plane part on the lower part presses the second cleaning cloth to be attached to the upper plane of the lower insulator string; the cleaning gear 314 rotates to drive the outer cleaning block 301 and the inner cleaning block 302 to press the first cleaning cloth and the second cleaning cloth to rotate, the upper electric pole 309 and the lower electric pole 310 reset after one rotation, the inner motor 305 is started to enable the right lower roller 304 to rotate, the unused first cleaning cloth on the right upper roller 303 is unreeled to enter a working position, the used first cleaning cloth is wound on the right lower roller 304, meanwhile, the outer motor 306 is started to unreel the unused second cleaning cloth on the inner roller 312 to enter a working position, and the used second cleaning cloth is wound on the outer roller 313, so that the first cleaning cloth and the second cleaning cloth are automatically replaced during working, the subsequent cleaning is prevented from being influenced by the accumulation of dirt on the surfaces of the first cleaning cloth and the second cleaning cloth, the cleaning quality and the cleaning efficiency are improved, meanwhile, the inner cleaning block and the outer cleaning block are matched, so that the plane and the curved surface of the insulator string can be carefully cleaned, and the cleaning effect is good.

The upper positioning mechanism 2 comprises three positioning blocks 201, three positioning gears 202, a first notch gear 203, a positioning electric pole 204, four steel wire rope fixing blocks 205, a first cross beam 206, a positioning ring 207 and three positioning sliders 208; four steel wire rope fixing blocks 205 are uniformly distributed on the outer circumferential side wall of the positioning ring 207, three positioning grooves are uniformly distributed on the upper end face of the positioning ring 207 along the circumferential direction, the three positioning sliding blocks 208 are respectively arranged in the three positioning grooves in a sliding manner, and a positioning block 201 is fixedly connected to each positioning sliding block 208; a first notch gear 203 and three positioning gears 202 are rotationally connected in the positioning ring 207, a rack is arranged on each positioning slider 208, the three positioning gears 202 are respectively meshed with the racks on the three positioning sliders 208, and the three positioning gears 202 are also meshed with the first notch gear 203; a first beam 206 is arranged above the positioning ring 207, the positioning electric pole 204 is fixedly connected above the first beam 206, and the telescopic end of the positioning electric pole 204 is fixedly connected with one positioning slide block 208; a second U-shaped avoiding groove 2071 is arranged in the middle of the positioning ring 207; the positioning ring 207 is positioned above the cleaning gear 314; during specific work, the positioning electric pole 204 is contracted to drive the positioning sliding block 208 fixedly connected with the telescopic end of the positioning electric pole to move inwards, the positioning gear 202 meshed with the rack part of the positioning sliding block 208 rotates clockwise, the positioning gear 202 is meshed with the first notch gear 203, and the first notch gear 203 is rotatably connected in the positioning ring 207, so that the first notch gear 203 rotates clockwise to drive the other two positioning gears 202 meshed with the other two positioning gears 202 to rotate clockwise and anticlockwise, and the two positioning gears 202 are respectively meshed with the rack parts of the other two positioning sliding blocks 208, so that the other two positioning sliding blocks 208 are driven to move inwards, the three positioning blocks 201 are folded, arc parts are spliced into a whole circle to be attached to an insulator cylindrical surface, the coincidence of the working center of the system and the center of the insulator string is ensured, and the stability during work is improved.

The lifting mechanism 1 comprises an unmanned aerial vehicle 101, a landing gear 102, a locking electric pole 103, a locking positioning block 104, a counterweight box 105, a counterweight electric pole 106, a counterweight block 107 and a butt joint positioning block 108; the two sides of the unmanned aerial vehicle 101 are provided with landing gears 102, and the counterweight box 105 is fixedly connected to the lower end of the unmanned aerial vehicle 101; a locking positioning block 104 is arranged at the left end of the upper part of the counterweight box 105, and two through holes 1041 are symmetrically formed in the locking positioning block 104; a locking electric pole 103 is arranged at the upper end of the counterweight box 105 on the right side of the locking positioning block 104, and a butt joint positioning block 108 is fixedly connected with the telescopic end of the locking electric pole 103; two positioning rods 1081 are symmetrically arranged on the butt-joint positioning block 108, and the two positioning rods 1081 are respectively in sliding fit with the two through holes 1041 on the locking positioning block 104; a counterweight electric pole 106 is arranged inside the counterweight box 105, a T-shaped groove 1051 is arranged at the lower part of the counterweight box 105, a guide block which is in sliding fit in the T-shaped groove 1051 is arranged at the upper end of the counterweight block 107, and the guide block is fixedly connected with the telescopic end of the counterweight electric pole 106; during specific work, if hoist mechanism 1 and drive mechanism 4 break away from the time, counter weight pole 106 contracts, drives balancing weight 107 and removes to unmanned aerial vehicle 101 bottom, makes hoist mechanism 1 focus not take place the skew, if hoist mechanism 1 and drive mechanism 4 during the butt joint like this, counter weight pole 106 extension, balancing weight 107 moves to the right, continues to make hoist mechanism 1 focus keep in order to ensure the stability of hoist mechanism 1 during operation in unmanned aerial vehicle 101 below.

The transmission mechanism 4 comprises a mounting plate 401, a motor 402, a driving gear 403, a first driven gear 404, a second driven gear 405 and an arc-shaped sliding rail 406; a motor 402 is arranged below the mounting plate 401, a driving gear 403 is fixedly connected to an output shaft of the motor 402, and a first driven gear 404 and a second driven gear 405 are rotatably connected to the upper end of the mounting plate 401 and are meshed with the driving gear 403; two positioning through holes 4012 are symmetrically arranged on the side surface of the mounting plate 401, and the radius of the positioning through holes 4012 is the same as that of a through hole 1041 on the locking positioning block 104; the front part of the mounting plate 401 is provided with an arc-shaped chute 4011, an arc-shaped slide rail 406 is connected in the arc-shaped chute 4011 in a sliding manner, and the arc-shaped slide rail 406 is fixedly connected with the lower end of the cleaning gear 314; the first driven gear 404 and the second driven gear 405 are meshed with the cleaning gear 314; when the positioning rod 1081 extends into the through hole 1041 and the positioning through hole 4012, the lifting mechanism 1 and the transmission mechanism 4 form a fixed connection, and when the positioning rod 1081 is retracted from the through hole 1041 and the positioning through hole 4012, the lifting mechanism 1 and the transmission mechanism 4 are separated; during specific work, the motor 402 is started to drive the driving gear 403, the driving gear 403 drives the first driven gear 404 and the second driven gear 405 which are meshed with the driving gear 403 to rotate, and the first driven gear 404 and the second driven gear 405 rotate to enable the cleaning gear 314 on the cleaning mechanism 3 which is meshed with the first driven gear 404 and the second driven gear 405 to rotate to complete cleaning work. Wherein, by arranging the first driven gear 404 and the second driven gear 405 to mesh with the cleaning gear 314, when one of the driven gears is in a contact position with the first U-shaped escape groove 3141, the other driven gear is kept meshed with the cleaning gear 314, so that the cleaning gear 314 can be continuously rotated.

The lower positioning mechanism 5 comprises four steel wire rope motors 501, a second notch gear 502, three lower positioning blocks 503, three lower positioning gears 504, a lower positioning electric pole 505, a lower cross beam 506, a lower positioning ring 507 and three lower positioning sliding blocks 508; the lower positioning ring 507 is fixedly connected below the mounting plate 401; a third U-shaped avoiding groove 5071 is formed in the lower positioning ring 507; four steel wire rope motors 501 are uniformly distributed on the upper surface of the lower positioning ring 507, four steel wire ropes are arranged, one end of each steel wire rope is fixedly connected with the steel wire rope fixing block 205, and the other end of each steel wire rope is wound on an output shaft of the steel wire rope motor 501; three rectangular holes are uniformly distributed in the lower end face of the lower positioning ring 507 along the circumferential direction, the three lower positioning sliding blocks 508 are respectively arranged in each rectangular hole in a sliding manner, racks are arranged on the lower positioning sliding blocks 508, a second notch gear 502 and three lower positioning gears 504 are rotatably connected to the lower positioning ring 507, the three lower positioning gears 504 are respectively meshed with the rack parts of the three lower positioning sliding blocks 508, and the three lower positioning gears 504 are also meshed with the second notch gear 502; a lower cross beam 506 is arranged on the lower end face of the lower positioning ring 507, the lower positioning electric pole 505 is fixedly connected below the lower cross beam 506, and the telescopic end of the lower positioning electric pole 505 is fixedly connected with one of the lower positioning sliding blocks 508; the three lower positioning blocks 503 are respectively fixedly connected with the inner sides of the three lower positioning sliders 508; the wire ropes can be controlled to be wound and unwound by controlling the rotation directions of the four wire rope motors 501, so that the lower positioning mechanism 5 can be controlled to move up and down relative to the upper positioning mechanism 2; during specific work, the steel wire rope motor 501 rotates forwards, so that the steel wire rope wound on the output shaft of the steel wire rope motor 501 is unwound, and the positioning mechanism 5 moves downwards along with the unwinding of the steel wire rope under the influence of gravity; when the lower positioning mechanism 5 reaches a proper position, the lower positioning electric pole 505 contracts, the lower positioning slide block 508 fixedly connected with the telescopic end of the lower positioning electric pole is driven to move inwards, the lower positioning gear 504 engaged with the rack portion of the lower positioning slider 508 rotates clockwise, and since the lower positioning gear 504 is engaged with the second notch gear 502, the second notch gear 502 is rotatably coupled in the lower positioning ring 507, therefore, the second notch gear 502 rotates clockwise, and drives the other two lower positioning gears 504 engaged with the second notch gear to rotate clockwise, because the two lower positioning gears 504 are respectively engaged with the rack portions of the other two lower positioning sliders 508, therefore, the other two lower positioning sliding blocks 508 are driven to move inwards, the three lower positioning blocks 503 are folded, arc line parts are spliced into a whole circle and attached to the cylindrical surface of the insulator, the working center of the system is enabled to coincide with the circle center of the insulator string, and the cleaning effect is prevented from being influenced by the shaking of the whole device during working.

In addition, the invention also provides a construction method of the anti-pollution flashover clean construction system of the electric insulator, which comprises the following steps:

s1, preparation: after the lifting mechanism 1 and the transmission mechanism 4 are detachably connected, checking whether the upper positioning mechanism 2, the cleaning mechanism 3 and the lower positioning mechanism 5 are in an initial state;

s2, lifting the device: an operator controls the lifting mechanism 1 to lift the system to a proper position, so that the circle center of the curve part of the upper positioning mechanism 2 is approximately aligned with the circle center of the insulator string, the position of the bottom of the upper positioning mechanism 2, which is attached to the upper surface of the uppermost insulator string, is unchanged, and then the lifting mechanism 1 is separated from the transmission mechanism 4 and returns according to the original path;

s3, positioning above: the upper positioning mechanism 2 works, the arc-shaped part of the upper positioning mechanism is completely spliced to be a whole circle and is attached to the cylindrical surface with the smallest radius of the insulator string, so that the working center of the system is overlapped with the circle center of the insulator string, and the stable work of the system is ensured;

s4, automatic cleaning: the transmission mechanism 4 is started, the cleaning mechanism 3 is controlled to automatically clean the excircle curved surface of one insulating string and the interval area between two insulating strings, after cleaning is finished each time, the lower positioning mechanism 5 controls the cleaning mechanism 3 to move downwards relative to the upper positioning mechanism 2 for a fixed distance by controlling the unreeling of a steel wire rope, and then the cleaning mechanism 3 finishes cleaning the excircle curved surface of the next insulating string and the interval area between two insulating strings;

s5, device recovery: after all cleaning is finished, the cleaning mechanism 3, the transmission mechanism 4 and the lower positioning mechanism 5 reset, after the lifting mechanism 1 and the transmission mechanism 4 are controlled by an operator to be in butt joint, the upper positioning mechanism 2 resets, the lifting mechanism 1 is controlled by the operator to drive the whole device to return, and the cleaning work of the insulator string of the primary substation is finished.

The working process of the anti-pollution flashover cleaning construction system for the electric insulator is as follows:

the mounting plate 401 is in butt joint with the locking positioning block 104, so that the positioning through hole 4012 in the mounting plate 401 is aligned with the through hole 1041 in the locking positioning block 104, the locking electric pole 103 extends to drive the butt joint positioning block 108 and the positioning rod thereon to move leftwards to be embedded into the through hole 1041 and the positioning through hole 4012, the transmission mechanism 4 is connected with the lifting mechanism 1, then the lifting mechanism 1 lifts the system to a proper position and then the locking electric pole 103 contracts to separate the lifting mechanism 1 from the transmission mechanism 4, at the moment, the lower end face of the upper positioning mechanism 2 is attached to the upper surface of the uppermost insulator to keep the height unchanged, the rest mechanisms keep the height unchanged by virtue of a steel wire rope connected with the upper positioning mechanism 2, at the moment, the first U-shaped avoiding groove 3141, the second U-shaped avoiding groove 2071 and the third U-shaped avoiding groove 5071 are parallel to the plane part, the circle center of the semi-circle of, Inside the second U-shaped avoidance groove 2071 and the third U-shaped avoidance groove 5071; meanwhile, the counterweight pole 106 contracts to control the counterweight block 107 to move left, so that the gravity center position of the unmanned aerial vehicle 101 is kept below the counterweight pole, and the lifting mechanism 1 returns; then the upper positioning mechanism 2 works to ensure that the working center of the system is superposed with the center of the insulator string, thereby ensuring the stable operation of the system; then, the lower positioning mechanism 5 works, the lower positioning electric pole 505 contracts, the three lower positioning blocks 503 are folded, arc lines are spliced into a whole circle and attached to the cylindrical surface of the insulator to be positioned, and the system is prevented from shaking during working; then the motor 402 on the transmission mechanism 4 is started to rotate the cleaning gear 314, the cleaning mechanism 3 starts to work to finish the cleaning of the excircle curved surface of one insulator and the interval area of two insulators at a time, then the cleaning mechanism 3 is reset, the inner motor 305 and the outer motor 306 are started to respectively enable the first cleaning cloth and the second cleaning cloth which are not used to enter working positions, the first cleaning cloth and the second cleaning cloth are automatically replaced, the dirt is prevented from accumulating on the first cleaning cloth and the second cleaning cloth to influence the subsequent cleaning work, and the one-time cleaning work is finished; then the lower positioning mechanism 5 is reset, the steel wire rope motor 501 rotates forwards to unreel the steel wire rope wound on the output shaft of the steel wire rope motor 501, the positioning mechanism 5 moves downwards along with the unreeling of the steel wire rope under the influence of gravity, the cleaning mechanism 3 and the transmission mechanism 4 are driven to move downwards until the value detected by the position sensor 311 on the cleaning mechanism 3 changes suddenly from large to small, the system controls the steel wire rope motor 501 to stop rotating, the position of the lower positioning mechanism 5 is kept, and the lower positioning electric pole 505 contracts to enable the lower positioning electric pole 505 to perform positioning work again; then the transmission mechanism 4 and the cleaning mechanism 3 are started to finish the second cleaning work, and the process is repeated until all insulators are cleaned; then the cleaning mechanism 3, the transmission mechanism 4 and the lower positioning mechanism 5 reset, the steel wire rope motor 501 rotates reversely, the steel wire rope is wound on an output shaft of the steel wire rope motor 501, the cleaning mechanism 3 is pulled, the transmission mechanism 4 and the lower positioning mechanism 5 return to the initial position, then the lifting mechanism 1 rises according to the original path and is butted with the transmission mechanism 4, the upper positioning mechanism 2 resets, the lifting mechanism 1 drives the original path of the system to return, and all cleaning work is finished.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.