Electrical equipment maintenance device with cleaning function and method thereof

By designing a power equipment maintenance device with cleaning function, using the four-wheel robot body and adjustable grounding assembly to achieve automated three-phase grounding and current and voltage detection, the problems of low manual operation efficiency and safety risks in the prior art are solved, and maintenance efficiency and safety are improved.

CN119695677AInactive Publication Date: 2025-03-25EZHOU POWER SUPPLY COMPANY STATE GRID HUBEI ELECTRIC POWER
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Patent Information

Application Number
CN202410479355.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, three-phase grounding operations require manual repeated operations, which poses safety risks and is inefficient.

Method used

Design a power equipment maintenance device with cleaning function, including a four-wheel robot body, adjustable grounding assembly and cleaning assembly, and realizes automated three-phase grounding and current and voltage detection through height adjustment, angle adjustment and telescopic distance change assembly.

Benefits of technology

It realizes automated three-phase grounding and current and voltage detection, improves maintenance efficiency and reduces the safety risks of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of power maintenance devices, and discloses a power equipment maintenance device with a cleaning function and a method thereof.The power equipment maintenance device comprises a four-wheel robot body, a fixing support is fixedly installed on the four-wheel robot body, and a height adjusting assembly is installed on the fixing support; the four-wheel robot comprises a four-wheel robot body, a height adjusting assembly is installed on the four-wheel robot body, an adjustable grounding assembly is installed on the height adjusting assembly and connected with a fixing support, the four-wheel robot further comprises a cleaning assembly, the cleaning assembly is installed on the four-wheel robot body and the adjustable grounding assembly, and the four-wheel robot further comprises a current and voltage detector. By means of the mode, three-phase grounding is automatically carried out while the dry-type transformers of different models are maintained, and meanwhile the transformers are pre-cleaned.
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Description

Technical Field

[0001] The present invention relates to the technical field of electric power maintenance devices, and in particular to an electric power equipment maintenance device with a cleaning function and a method thereof. Background Art

[0002] A dry-type transformer in power equipment is a transformer that does not use liquid insulating media but solid insulating materials to insulate the windings. Dry-type transformers require three-phase grounding protection during maintenance. The current operating procedure is to first detect the three-phase electricity of the transformer, then ground the connection between the three-phase input wires and the transformer before performing subsequent maintenance operations.

[0003] Currently, three-phase grounding operations are generally completed manually, and the grounding operation needs to be repeated three times to complete. At the same time, manual operation poses safety risks.

[0004] Based on this, the present invention designs an electric equipment maintenance device with a cleaning function and a method thereof to solve the above-mentioned problem. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides an electric equipment maintenance device with a cleaning function and a method thereof.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: An electric power equipment maintenance device with a cleaning function comprises a four-wheel robot body, a fixed bracket is fixedly mounted on the four-wheel robot body, a height adjustment component is mounted on the fixed bracket, an adjustable grounding component is mounted on the height adjustment component, the adjustable grounding component is connected to the fixed bracket, a cleaning component is mounted on the four-wheel robot body and the adjustable grounding component, and a current and voltage detector is also included; The adjustable grounding assembly comprises an angle adjustment assembly, a telescopic variable pitch assembly, a grounding assembly and a fixed drive assembly, wherein the angle adjustment assembly is mounted on the height adjustment assembly, the telescopic variable pitch assembly is mounted on the angle adjustment assembly, the grounding assembly is connected to the telescopic variable pitch assembly, the fixed drive assembly is connected to the fixed bracket, the angle adjustment assembly and the grounding assembly, the cleaning assembly is mounted on the angle adjustment assembly, and the current and voltage detector is mounted on the grounding assembly; The grounding components are provided in three groups.

[0007] Furthermore, the height adjustment assembly includes a first electric push rod, a lifting mounting plate and a linear guide rail, the first electric push rod is fixedly mounted on a fixed bracket, the output end of the first electric push rod is fixedly connected to the lifting mounting plate, the lifting mounting plate is slidably connected to the fixed bracket through the linear guide rail, and the lifting mounting plate is connected to the angle adjustment assembly.

[0008] Furthermore, the angle adjustment assembly includes an L-shaped bracket, a mounting frame and a second electric push rod, the L-shaped bracket is fixedly connected to the lifting mounting plate, the mounting frame is hinged to the L-shaped bracket, the second electric push rod is hinged to the L-shaped bracket, the output end of the second electric push rod is hinged to the mounting frame, the mounting frame is connected to both the telescopic variable pitch assembly and the fixed drive assembly, and the cleaning assembly is installed on the mounting frame.

[0009] Furthermore, the telescopic pitch-changing assembly includes a pitch-changing module, a third electric push rod and a slide rail. The pitch-changing module is fixedly mounted on a mounting frame. The pitch-changing module is provided with three sets of sliders. The third electric push rod is fixedly mounted on the mounting frame. The output end of the third electric push rod is fixedly connected to the slide rail. The pitch-changing module and the slide rail are both connected to a grounding assembly.

[0010] Furthermore, the three groups of grounding components are all connected to the slide rails, and the three groups of grounding components are respectively connected to the three groups of sliding blocks of the variable pitch module.

[0011] Furthermore, the grounding assembly includes a first connecting rod, a connecting block, a connecting frame, a sleeve, an adjusting rod, a stop block, a threaded sleeve, a grounding block and a conductive rod, one end of the first connecting rod is slidably connected to the slide rail, the other end of the first connecting rod is fixedly connected to the connecting block, the adjusting rod is threadedly connected to the connecting block, the adjusting rod is limitedly slidably connected to the sleeve, the sleeve is rotatably connected to the connecting frame, the connecting frame is fixedly connected to the slider of the pitch variable module, the connecting frame and the sleeve are both connected to the fixed driving assembly, the stop block is fixedly installed on the front end of the adjusting rod, the threaded sleeve is threadedly connected to the front end outer wall of the adjusting rod, the grounding block is fixedly connected to the threaded sleeve, one end of the conductive rod is fixedly connected to the grounding block, and the other end of the conductive rod is fixedly connected to the connecting block.

[0012] Furthermore, the grounding assembly also includes a conductive wire and a grounding copper bus, one end of the conductive wire is fixedly connected to the slide rail, the other end of the conductive wire is fixedly connected to the grounding copper bus, the grounding copper bus is fixedly connected to a fixed bracket, and the current and voltage detector is fixedly mounted on the grounding block.

[0013] Furthermore, the fixed drive assembly includes a motor, a spline shaft, a first bevel gear, a second bevel gear and a spline sleeve. The motor is fixedly mounted on a mounting frame, one end of the spline shaft is fixedly connected to the output end of the motor, and the other end of the spline shaft is rotatably connected to the mounting frame. The first bevel gear, the second bevel gear and the spline sleeve are each provided with three groups. In each group of the first bevel gear, the second bevel gear and the spline sleeve, the spline sleeve is slidably connected to the spline shaft, the first bevel gear is fixedly connected to the spline sleeve, the spline sleeve is rotatably connected to the connecting frame, the first bevel gear is meshingly connected to the second bevel gear, and the second bevel gear is fixedly connected to the sleeve.

[0014] Furthermore, the cleaning component includes a liquid dispensing tube, a nozzle, a liquid guiding tube, a pressure pump and a liquid storage tank. The liquid dispensing tube is fixedly installed at the lower end of the mounting frame, and the nozzles are fixedly installed on the liquid dispensing tube at equal intervals. One end of the liquid guiding tube is connected to the liquid dispensing tube, and the other end of the liquid guiding tube is connected to the liquid outlet end of the pressure pump. The liquid inlet end of the pressure pump is connected to the liquid storage tank, and the pressure pump is fixedly installed on the liquid storage tank, and the liquid storage tank is fixedly installed on the main body of the four-wheel robot.

[0015] In order to better achieve the purpose of the present invention, the present invention also provides a method for using a power equipment maintenance device with a cleaning function, comprising the following steps: Step 1: Start the four-wheel robot body, and run the four-wheel robot body to the dry-type transformer that needs maintenance; Step 2: Start the first electric push rod, which drives the lifting installation plate to move from top to bottom on the fixed bracket through the linear guide rail; Step 3: Start the booster pump, which extracts the cleaning liquid in the liquid storage tank and transports it to the liquid distribution pipe through the liquid guide pipe, and finally sprays it out from the nozzle to pre-clean the transformer; Step 4: simultaneously start the second electric push rod, the second electric push rod drives the mounting frame to rotate around the L-shaped bracket, and the mounting frame drives the liquid dispensing tube thereon to rotate an angle to adjust the cleaning range; Step 5: When the lifting installation plate moves to the detection height of the three-phase conductor of the transformer, the third electric push rod is started, the third electric push rod drives the slide rail to move, and the slide rail movement drives the three first connecting rods thereon to move, and the pitch-changing module is started at the same time. The three sets of sliders on the pitch-changing module are equidistantly adjusted to match the conductor spacing of the transformer, the slider of the pitch-changing module drives the connecting frame to move, the connecting frame drives the spline sleeve to slide on the spline shaft, and the first connecting rod slides on the slide rail; the first connecting rod drives the connecting block to move, the connecting block drives the adjusting rod to slide within the limit position in the connecting frame, and the adjusting rod drives the current and voltage detector on the grounding card block to perform current detection on the three-phase incoming line terminal and the three-phase outgoing line terminal on both sides of the transformer; Step 6: When the current detection is completed, adjust the third electric push rod so that the grounding block moves to the connection point between the input end wire of the transformer and the transformer, start the four-wheel robot body to adjust the positions of the grounding block and the stop block so that the connection point is located between the grounding block and the stop block; Step seven, start the motor, the motor drives the spline shaft to rotate, the spline shaft drives the spline sleeve to rotate, the spline sleeve drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the sleeve to rotate, the sleeve drives the adjusting rod to rotate, and at the same time the adjusting rod is threadedly connected to the connecting block and the threaded sleeve, the fixed adjusting rod slides in the sleeve, the adjusting rod drives the block to move, the distance between the block and the grounding block is reduced and the connection between the input end wire and the transformer is fixed, at this time the current can flow along the grounding block to the first connecting rod, from the first connecting rod to the second electric push rod, from the second electric push rod to the conductive wire, from the conductive wire to the grounding busbar, from the grounding busbar to the earth, completing the three-phase grounding.

[0016] The present invention has the following technical effects: When the present invention is used, the four-wheel robot body moves to the dry-type transformer that needs maintenance; the height of the adjustable grounding component and the cleaning component is adjusted by the height adjustment component, and during the rising process, the cleaning component sprays and cleans the transformer at the same time, and the cleaning range of the cleaning component is adjusted by the angle adjustment component, and the spacing and length of the three groups of grounding components are adjusted by the telescopic variable pitch component to perform current and voltage detection on the three-phase input end wires and the three-phase output end wires of the transformer, and the grounding component is driven by the fixed driving component to connect, fix and ground the connection between the three-phase input wire and the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A three-dimensional diagram of a power equipment maintenance device with a cleaning function according to the present invention Figure 1 .

[0019] Figure 2 The present invention is a front view of an electric equipment maintenance device with a cleaning function.

[0020] Figure 3 The figure is a left view of an electric equipment maintenance device with a cleaning function according to the present invention.

[0021] Figure 4 A three-dimensional diagram of a power equipment maintenance device with a cleaning function according to the present invention Figure 2 .

[0022] Figure 5 For along Figure 2 AA direction cross-sectional view.

[0023] Figure 6 Schematic diagram of the adjustable grounding assembly of the present invention.

[0024] Figure 7 for Figure 5 Enlarged view of point B in the middle.

[0025] The numbers in the figure represent: 1. Four-wheel robot body 2. Fixed bracket 3. Height adjustment component 31. First electric push rod 32. Lifting mounting plate 33. Linear guide 4. Adjustable grounding component 41. Angle adjustment component 411. L-shaped bracket 412. Mounting frame 413. Second electric push rod 42. Telescopic pitch change component 421. Pitch change module 422. Second electric push rod 423. Slide rail 43. Grounding component 431. First connecting rod 432. Connecting block 433. Connecting frame 434. Sleeve 435. Adjusting rod 436. Stop block 437. Threaded sleeve 438. Grounding block 439. Conductive rod 4310. Conductive wire 4311. Grounding copper bar 44. Fixed driving assembly 441. Motor 442. Spline shaft 443. First bevel gear 444. Second bevel gear 445. Spline sleeve 5. Cleaning assembly 51. Liquid dispensing tube 52. Sprinkler 53. Liquid guiding tube 54. Pressure pump 55. Liquid storage tank 6. Current and voltage detector. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention will be further described below in conjunction with the embodiments.

[0028] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0029] Example 1: Please refer to the attached manual Figure 1-7 , an electric power equipment maintenance device with a cleaning function, comprising a four-wheeled robot body 1, a fixed bracket 2 is fixedly mounted on the four-wheeled robot body 1, a height adjustment component 3 is mounted on the fixed bracket 2, an adjustable grounding component 4 is mounted on the height adjustment component 3, the adjustable grounding component 4 is connected to the fixed bracket 2, and also comprises a cleaning component 5, the cleaning component 5 is mounted on the four-wheeled robot body 1 and the adjustable grounding component 4, and also comprises a current and voltage detector 6; The adjustable grounding component 4 includes an angle adjustment component 41, a telescopic pitch variable component 42, a grounding component 43 and a fixed drive component 44. The angle adjustment component 41 is installed on the height adjustment component 3, the telescopic pitch variable component 42 is installed on the angle adjustment component 41, the grounding component 43 is connected to the telescopic pitch variable component 42, the fixed drive component 44 is connected to the fixed bracket 2, the angle adjustment component 41 and the grounding component 43, the cleaning component 5 is installed on the angle adjustment component 41; the current and voltage detector 6 is installed on the grounding component 43.

[0030] There are three sets of grounding components 43 .

[0031] When the present invention is used, the four-wheel robot body 1 runs to the dry-type transformer that needs maintenance; the height of the adjustable grounding component 4 and the cleaning component 5 are adjusted by the height adjustment component 3. During the rising process, the cleaning component 5 sprays and cleans the transformer at the same time, and the cleaning range of the cleaning component 5 is adjusted by the angle adjustment component 41. The spacing and length of the three groups of grounding components 43 are adjusted by the telescopic variable pitch component 42 to perform current and voltage detection on the three-phase input end wires and the three-phase output end wires of the transformer. The grounding component 43 is driven by the fixed drive component 44 to connect, fix and ground the connection between the three-phase input wires and the transformer.

[0032] Example 2: Figure 1-7 As shown, as a preferred embodiment of the present invention, the height adjustment assembly 3 includes a first electric push rod 31, a lifting mounting plate 32 and a linear guide rail 33. The first electric push rod 31 is fixedly mounted on the fixed bracket 2. The output end of the first electric push rod 31 is fixedly connected to the lifting mounting plate 32. The lifting mounting plate 32 is slidably connected to the fixed bracket 2 through the linear guide rail 33. The lifting mounting plate 32 is connected to the angle adjustment assembly 41.

[0033] The angle adjustment assembly 41 includes an L-shaped bracket 411, a mounting frame 412 and a second electric push rod 413. The L-shaped bracket 411 is fixedly connected to the lifting mounting plate 32. The mounting frame 412 is hinged to the L-shaped bracket 411. The second electric push rod 413 is hinged to the L-shaped bracket 411. The output end of the second electric push rod 413 is hinged to the mounting frame 412. The mounting frame 412 is connected to both the telescopic variable pitch assembly 42 and the fixed drive assembly 44. The cleaning assembly 5 is installed on the mounting frame 412.

[0034] The telescopic pitch-changing assembly 42 includes a pitch-changing module 421, a third electric push rod 422 and a slide rail 423. The pitch-changing module 421 is fixedly mounted on the mounting frame 412. The pitch-changing module 421 is provided with three sets of sliders. The third electric push rod 422 is fixedly mounted on the mounting frame 412. The output end of the third electric push rod 422 is fixedly connected to the slide rail 423. The pitch-changing module 421 and the slide rail 423 are both connected to the grounding assembly 43.

[0035] The three groups of grounding components 43 are all connected to the slide rail 423 , and the three groups of grounding components 43 are respectively connected to the three groups of sliding blocks of the pitch-changing module 421 .

[0036] The grounding assembly 43 includes a first connecting rod 431, a connecting block 432, a connecting frame 433, a sleeve 434, an adjusting rod 435, a stop block 436, a threaded sleeve 437, a grounding block 438 and a conductive rod 439. One end of the first connecting rod 431 is slidably connected to the slide rail 423, the other end of the first connecting rod 431 is fixedly connected to the connecting block 432, the adjusting rod 435 is threadedly connected to the connecting block 432, the adjusting rod 435 is limitedly slidably connected to the sleeve 434, and the sleeve 434 is connected to the connecting rod. The connecting frame 433 is rotatably connected, the connecting frame 433 is fixedly connected to the slider of the pitch variable module 421, the connecting frame 433 and the sleeve 434 are both connected to the fixed driving assembly 44, the stop block 436 is fixedly installed on the front end of the adjusting rod 435, the threaded sleeve 437 is threadedly connected to the front end outer wall of the adjusting rod 435, the grounding block 438 is fixedly connected to the threaded sleeve 437, one end of the conductive rod 439 is fixedly connected to the grounding block 438, and the other end of the conductive rod 439 is fixedly connected to the connecting block 432.

[0037] The grounding assembly 43 also includes a conductive wire 4310 and a grounding copper bus 4311. One end of the conductive wire 4310 is fixedly connected to the slide rail 423, and the other end of the conductive wire 4310 is fixedly connected to the grounding copper bus 4311. The grounding copper bus 4311 is fixedly connected to the fixed bracket 2. The current and voltage detector 6 is fixedly mounted on the grounding block 438.

[0038] The adjusting rod 435 is fixedly provided with a protrusion, and the sleeve 434 is provided with a groove for limited sliding connection with the protrusion.

[0039] The two sets of threads provided on the adjusting rod 435 are the same as those matched with the connecting block 432 and the threaded sleeve 437 .

[0040] The fixed drive assembly 44 includes a motor 441, a spline shaft 442, a first bevel gear 443, a second bevel gear 444 and a spline sleeve 445. The motor 441 is fixedly mounted on the mounting frame 412. One end of the spline shaft 442 is fixedly connected to the output end of the motor 441, and the other end of the spline shaft 442 is rotatably connected to the mounting frame 412. The first bevel gear 443, the second bevel gear 444 and the spline sleeve 445 are each provided with three groups. In each group of the first bevel gear 443, the second bevel gear 444 and the spline sleeve 445, the spline sleeve 445 is slidably connected to the spline shaft 442, the first bevel gear 443 is fixedly connected to the spline sleeve 445, the spline sleeve 445 is rotatably connected to the connecting frame 433, the first bevel gear 443 is meshedly connected to the second bevel gear 444, and the second bevel gear 444 is fixedly connected to the sleeve 434.

[0041] The three groups 43 of abutments 436 and grounding clamps 438 are driven simultaneously by a single motor 441 to electrically connect and fix the connection between the three-phase input terminal wires and the transformer.

[0042] The first connecting rod 431, the slide rail 423, and the connecting block 432 are all metal conductors; The three sets of grounding components 43 are adjusted by the variable pitch module 421 so that the grounding components 43 are adapted to different types of dry-type transformers. The positions of the current and voltage detectors (6) on the grounding blocks 438 of the three sets of grounding components 43 are adjusted by 422 so as to detect the three-phase input and output of the dry-type transformer.

[0043] The cleaning assembly 5 includes a liquid dispensing tube 51, a nozzle 52, a liquid guiding tube 53, a pressure pump 54 and a liquid storage tank 55. The liquid dispensing tube 51 is fixedly installed at the lower end of the mounting frame 412. The nozzles 52 are fixedly installed on the liquid dispensing tube 51 at equal intervals. One end of the liquid guiding tube 53 is connected to the liquid dispensing tube 51, and the other end of the liquid guiding tube 53 is connected to the liquid outlet end of the pressure pump 54. The liquid inlet end of the pressure pump 54 is connected to the liquid storage tank 55. The pressure pump 54 is fixedly installed on the liquid storage tank 55, and the liquid storage tank 55 is fixedly installed on the four-wheel robot body 1.

[0044] By starting the booster pump 54 while the height adjustment component 3 is adjusting the angle adjustment component 41, the booster pump 54 draws the cleaning liquid from the liquid storage tank 55 and transports it to the liquid distribution pipe 51 through the liquid guide pipe 53, and finally sprays it out from the nozzle 52 to pre-clean the transformer.

[0045] Example 3: Figure 1-7 As shown, as a preferred embodiment of the present invention, the following steps are included: Step 1: start the four-wheel robot body 1, and run the four-wheel robot body 1 to the dry-type transformer that needs maintenance; Step 2: Start the first electric push rod 31, and the first electric push rod 31 drives the lifting installation plate 32 to move from top to bottom on the fixed bracket 2 through the linear guide rail 33; Step 3, start the booster pump 54, the booster pump 54 extracts the cleaning liquid in the liquid storage tank 55, and transports it to the liquid distribution pipe 51 through the liquid guide pipe 53, and finally sprays it out from the nozzle 52 to pre-clean the transformer; Step 4: simultaneously start the second electric push rod 413, the second electric push rod 413 drives the mounting frame 412 to rotate around the L-shaped bracket 411, and the mounting frame 412 drives the liquid dispensing tube 51 thereon to rotate an angle to adjust the cleaning range; Step 5, when the lifting installation plate 32 moves to the detection height of the three-phase conductor of the transformer, the third electric push rod 422 is started, the third electric push rod 422 drives the slide rail 423 to move, and the slide rail 423 drives the three first connecting rods 431 thereon to move, and at the same time the pitch-changing module 421 is started, and the three sets of sliders on the pitch-changing module 421 are equidistantly adjusted to adapt to the conductor spacing of the transformer, the slider of the pitch-changing module 421 drives the connecting frame 433 to move, the connecting frame 433 drives the spline sleeve 445 to slide on the spline shaft 442, and the first connecting rod 431 slides on the slide rail 423; the first connecting rod 431 drives the connecting block 432 to move, the connecting block 432 drives the adjusting rod 435 to slide within the connecting frame 433 within a limited position, and the adjusting rod 435 drives the current and voltage detector 6 on the grounding block 438 to perform current detection on the three-phase incoming line terminals and the three-phase outgoing line terminals on both sides of the transformer; Step 6: When the current detection is completed, adjust the third electric push rod 422 so that the grounding block 438 moves to the connection point between the input end wire of the transformer and the transformer, start the four-wheel robot body 1 to adjust the positions of the grounding block 438 and the stop block 436 so that the connection point is located between the grounding block 438 and the stop block 436; Step 7, start the motor 441, the motor 441 drives the spline shaft 442 to rotate, the spline shaft 442 drives the spline sleeve 445 to rotate, the spline sleeve 445 drives the first bevel gear 443 to rotate, the first bevel gear 443 drives the second bevel gear 444 to rotate, the second bevel gear 444 drives the sleeve 434 to rotate, the sleeve 434 drives the adjusting rod 435 to rotate, and at the same time, the adjusting rod 435 is threadedly connected with the connecting block 432 and the threaded sleeve 437, and the adjusting rod 435 is fixed in the sleeve 43 4, the adjusting rod 435 drives the stopper 436 to move, the distance between the stopper 436 and the grounding block 438 is reduced and the connection between the input end wire and the transformer is fixed. At this time, the current can flow along the grounding block 438 to the first connecting rod 431, from the first connecting rod 431 to the second electric push rod 413, from the second electric push rod 413 to the conductive wire 4310, from the conductive wire 4310 to the grounding copper bus 4311, and from the grounding copper bus 4311 to the earth, completing the three-phase grounding.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric power equipment maintenance device with a cleaning function, comprising a four-wheeled robot body (1), characterized in that: The four-wheeled robot body (1) is fixedly mounted with a fixed bracket (2), the fixed bracket (2) is mounted with a height adjustment component (3), the height adjustment component (3) is mounted with an adjustable grounding component (4), the adjustable grounding component (4) is connected to the fixed bracket (2), and further comprises a cleaning component (5), the cleaning component (5) is mounted on the four-wheeled robot body (1) and the adjustable grounding component (4), and further comprises a current and voltage detector (6); The adjustable grounding component (4) comprises an angle adjustment component (41), a telescopic variable pitch component (42), a grounding component (43) and a fixed drive component (44); the angle adjustment component (41) is mounted on the height adjustment component (3); the telescopic variable pitch component (42) is mounted on the angle adjustment component (41); the grounding component (43) is connected to the telescopic variable pitch component (42); the fixed drive component (44) is connected to the fixed bracket (2), the angle adjustment component (41) and the grounding component (43); the cleaning component (5) is mounted on the angle adjustment component (41); and the current and voltage detector (6) is mounted on the grounding component (43); The grounding components (43) are provided in three groups.

2. The power equipment maintenance device with cleaning function according to claim 1, characterized in that: The height adjustment assembly (3) comprises a first electric push rod (31), a lifting mounting plate (32) and a linear guide rail (33); the first electric push rod (31) is fixedly mounted on a fixed bracket (2); an output end of the first electric push rod (31) is fixedly connected to the lifting mounting plate (32); the lifting mounting plate (32) is slidably connected to the fixed bracket (2) via the linear guide rail (33); and the lifting mounting plate (32) is connected to the angle adjustment assembly (41).

3. The electric power equipment maintenance device with cleaning function according to claim 2, characterized in that: The angle adjustment assembly (41) comprises an L-shaped bracket (411), a mounting frame (412) and a second electric push rod (413); the L-shaped bracket (411) is fixedly connected to the lifting mounting plate (32); the mounting frame (412) is hinged to the L-shaped bracket (411); the second electric push rod (413) is hinged to the L-shaped bracket (411); the output end of the second electric push rod (413) is hinged to the mounting frame (412); the mounting frame (412) is connected to both the telescopic variable pitch assembly (42) and the fixed drive assembly (44); and the cleaning assembly (5) is mounted on the mounting frame (412).

4. The electric power equipment maintenance device with cleaning function according to claim 3, characterized in that: The telescopic pitch-changing assembly (42) comprises a pitch-changing module (421), a third electric push rod (422) and a slide rail (423); the pitch-changing module (421) is fixedly mounted on a mounting frame (412); the pitch-changing module (421) is provided with three sets of slide blocks; the third electric push rod (422) is fixedly mounted on the mounting frame (412); an output end of the third electric push rod (422) is fixedly connected to the slide rail (423); and the pitch-changing module (421) and the slide rail (423) are both connected to a grounding assembly (43).

5. The electric power equipment maintenance device with cleaning function according to claim 4, characterized in that: The three groups of grounding components (43) are all connected to the slide rail (423), and the three groups of grounding components (43) are respectively connected to the three groups of sliding blocks of the pitch-changing module (421).

6. The electric power equipment maintenance device with cleaning function according to claim 5, characterized in that: The grounding assembly (43) comprises a first connecting rod (431), a connecting block (432), a connecting frame (433), a sleeve (434), an adjusting rod (435), a stop block (436), a threaded sleeve (437), a grounding block (438) and a conductive rod (439), one end of the first connecting rod (431) is slidably connected to the slide rail (423), the other end of the first connecting rod (431) is fixedly connected to the connecting block (432), the adjusting rod (435) is threadedly connected to the connecting block (432), the adjusting rod (435) is limitedly slidably connected to the sleeve (434), and the sleeve (434) is fixedly connected to the connecting block (432). ) is rotatably connected to a connecting frame (433), the connecting frame (433) is fixedly connected to a slider of a pitch-changing module (421), the connecting frame (433) and the sleeve (434) are both connected to a fixed drive assembly (44), the stop block (436) is fixedly mounted on a front end of an adjusting rod (435), the threaded sleeve (437) is threadedly connected to an outer wall of a front end of the adjusting rod (435), the grounding block (438) is fixedly connected to the threaded sleeve (437), one end of the conductive rod (439) is fixedly connected to the grounding block (438), and the other end of the conductive rod (439) is fixedly connected to the connecting block (432).

7. The electric power equipment maintenance device with cleaning function according to claim 6, characterized in that: The grounding assembly (43) further comprises a conductive wire (4310) and a grounding copper bar (4311); one end of the conductive wire (4310) is fixedly connected to the slide rail (423); the other end of the conductive wire (4310) is fixedly connected to the grounding copper bar (4311); the grounding copper bar (4311) is fixedly connected to the fixed bracket (2); and the current and voltage detector (6) is fixedly mounted on the grounding block (438).

8. The electric power equipment maintenance device with cleaning function according to claim 7, characterized in that: The fixed drive assembly (44) comprises a motor (441), a spline shaft (442), a first bevel gear (443), a second bevel gear (444) and a spline sleeve (445); the motor (441) is fixedly mounted on a mounting frame (412); one end of the spline shaft (442) is fixedly connected to an output end of the motor (441); the other end of the spline shaft (442) is rotatably connected to the mounting frame (412); the first bevel gear (443), the second bevel gear (444), the spline sleeve (445) and the spline sleeve (445) are fixedly mounted on a mounting frame (412); The sleeve (445) is provided with three groups. In each group of the first bevel gear (443), the second bevel gear (444) and the spline sleeve (445), the spline sleeve (445) is slidably connected to the spline shaft (442), the first bevel gear (443) is fixedly connected to the spline sleeve (445), the spline sleeve (445) is rotatably connected to the connecting frame (433), the first bevel gear (443) is meshedly connected to the second bevel gear (444), and the second bevel gear (444) is fixedly connected to the sleeve (434).

9. The electric power equipment maintenance device with cleaning function according to claim 8, characterized in that: The cleaning assembly (5) comprises a liquid dispensing tube (51), a nozzle (52), a liquid guiding tube (53), a pressure pump (54) and a liquid storage tank (55); the liquid dispensing tube (51) is fixedly mounted on the lower end of the mounting frame (412); the nozzles (52) are fixedly mounted on the liquid dispensing tube (51) at equal intervals; one end of the liquid guiding tube (53) is in communication with the liquid dispensing tube (51); the other end of the liquid guiding tube (53) is in communication with a liquid outlet end of the pressure pump (54); the liquid inlet end of the pressure pump (54) is in communication with the liquid storage tank (55); the pressure pump (54) is fixedly mounted on the liquid storage tank (55); and the liquid storage tank (55) is fixedly mounted on the four-wheel robot body (1).

10. A method for using the power equipment maintenance device with cleaning function as claimed in claim 9, characterized in that: The following steps are involved: Step 1: starting the four-wheel robot body (1), and moving the four-wheel robot body (1) to the dry-type transformer that needs maintenance; Step 2: starting the first electric push rod (31), so that the first electric push rod (31) drives the lifting installation plate (32) to move from top to bottom on the fixed bracket (2) via the linear guide rail (33); Step three, starting the booster pump (54), the booster pump (54) extracts the cleaning liquid in the liquid storage tank (55), transports it to the liquid distribution pipe (51) through the liquid guide pipe (53), and finally sprays it out from the nozzle (52) to pre-clean the transformer; Step 4: simultaneously starting the second electric push rod (413), the second electric push rod (413) drives the mounting frame (412) to rotate around the L-shaped bracket (411), and the mounting frame (412) drives the liquid dispensing tube (51) thereon to rotate an angle to adjust the cleaning range; Step 5: When the lifting installation plate (32) moves to the detection height of the three-phase conductors of the transformer, the third electric push rod (422) is started, and the third electric push rod (422) drives the slide rail (423) to move. The movement of the slide rail (423) drives the three first connecting rods (431) thereon to move. At the same time, the variable pitch module (421) is started, and the three sets of sliders on the variable pitch module (421) are equidistantly adjusted to match the conductor spacing of the transformer. The slider of the variable pitch module (421) drives the connecting frame (433) to move. The connecting frame (433) drives the spline sleeve (445) to slide on the spline shaft (442), and the first connecting rod (431) slides on the slide rail (423); the first connecting rod (431) drives the connecting block (432) to move, the connecting block (432) drives the adjusting rod (435) to slide within the connecting frame (433), and the adjusting rod (435) drives the current and voltage detector (6) on the grounding block (438) to perform current detection on the three-phase incoming line terminals and the three-phase outgoing line terminals on both sides of the transformer; Step 6, when the current detection is completed, the third electric push rod (422) is adjusted so that the grounding block (438) moves to the connection point between the input end wire of the transformer and the transformer, and the four-wheel robot body (1) is started to adjust the positions of the grounding block (438) and the stop block (436) so that the connection point is located between the grounding block (438) and the stop block (436); Step 7, start the motor (441), the motor (441) drives the spline shaft (442) to rotate, the spline shaft (442) drives the spline sleeve (445) to rotate, the spline sleeve (445) drives the first bevel gear (443) to rotate, the first bevel gear (443) drives the second bevel gear (444) to rotate, the second bevel gear (444) drives the sleeve (434) to rotate, the sleeve (434) drives the adjustment rod (435) to rotate, and the adjustment rod (435) is threadedly connected to the connecting block (432) and the threaded sleeve (437), and the adjustment rod (435) is fixed in the sleeve The adjusting rod (435) slides in the cylinder (434), and the adjusting rod (435) drives the stop block (436) to move, so that the distance between the stop block (436) and the grounding block (438) is reduced and the connection between the input end wire and the transformer is fixed. At this time, the current can flow along the grounding block (438) to the first connecting rod (431), from the first connecting rod (431) to the second electric push rod (413), from the second electric push rod (413) to the conductive wire (4310), from the conductive wire (4310) to the grounding copper bus (4311), and from the grounding copper bus (4311) to the earth, thereby completing the three-phase grounding.