Electric power overhaul device and working method

Abstract

The invention discloses an electric power overhaul device and a working method, and belongs to the technical field of electric power overhaul, the electric power overhaul device comprises an overhaul supporting device, the overhaul supporting device comprises a second overhaul platform, first overhaul platforms are symmetrically arranged at the upper end of the second overhaul platform, and sliding rails are arranged between the first overhaul platforms and the second overhaul platform; a first driving motor is arranged in the middle of the second maintenance platform, and the output end of the first driving motor is connected with the first screw rod; a first moving device is arranged at the lower end of the second maintenance platform, a second moving device is arranged at the lower end of the first moving device, a shear-type supporting frame is arranged at the lower end of the second moving device, and a supporting moving device is arranged at the lower end of the shear-type supporting frame. The space size of the maintenance platform can be adjusted according to maintenance conditions, the space of the maintenance platform can be reduced during transportation, transportation is facilitated, the use space of the maintenance platform can be increased during maintenance, and maintenance is facilitated; and the position of the maintenance platform can be adjusted without moving the maintenance platform for many times, so that the maintenance efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power maintenance, and in particular relates to an electric power maintenance device and a working method. Background Art

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

[0003] Power facilities are an indispensable infrastructure in modern society. In order to ensure the safe use of power equipment, it is necessary to regularly maintain and inspect power facilities to ensure that they can operate stably during peak hours of electricity consumption. Usually, since power facilities such as wires and transformers are installed at a high height, insulating ladders, scaffolding and other tools are required for height assistance when inspecting power facilities.

[0004] Patent No. CN114873531A disclosed an electric power maintenance device, a traveling unit, the traveling unit being a motor vehicle; a maintenance platform; an angle adjustment unit disposed at the lower end of the maintenance platform, through which the inclination angle of the maintenance platform is adjusted; a lifting adjustment unit disposed at the lower end of the angle adjustment unit, through which the angle adjustment unit and the maintenance platform are driven to rise or fall as a whole; The patent has the following problems: (1) The maintenance platform space of the patented cable cannot be adjusted. If a larger maintenance platform is set up, the production cost will increase and it will be extremely inconvenient during transportation for maintenance. If a smaller maintenance platform is set up, if multiple staff members are required to cooperate during cable maintenance, the space will be extremely crowded, affecting the maintenance work and reducing the maintenance efficiency.

[0005] (2) The traveling unit of the patent is a motor vehicle, that is, it is driven to the maintenance position by a motor vehicle. However, in actual maintenance, there are different maintenance environments. For example, cables are installed on rural roads or roads in urban villages. The road surface where the cables are located is usually narrow, making it difficult for maintenance vehicles to enter. Even if they enter the narrow road, they need to frequently move the vehicle to perform maintenance in one area during the maintenance process, which is extremely inconvenient. Summary of the invention

[0006] In view of the above problems, the present invention provides an electric power maintenance device and a working method, which can adjust the space size of the maintenance platform according to the maintenance situation. During transportation, the space of the maintenance platform can be reduced to facilitate transportation, and during maintenance, the usable space of the maintenance platform can be increased to facilitate maintenance. The position of the maintenance platform can also be adjusted, and there is no need to move the maintenance platform multiple times, thereby improving the maintenance efficiency.

[0007] To achieve the above object, the present invention adopts the following technical solutions: An electric power maintenance device comprises a maintenance support device, wherein the maintenance support device comprises a second maintenance platform, a first maintenance platform is symmetrically arranged on the upper end of the second maintenance platform, and a sliding track is arranged between the first maintenance platform and the second maintenance platform; a first driving motor is arranged in the middle of the second maintenance platform, an output end of the first driving motor is connected to a first screw rod, a first moving block is arranged on the first screw rod, and one end of the first moving block is connected to the first maintenance platform; A first moving device is arranged at the lower end of the second maintenance platform, a second moving device is arranged at the lower end of the first moving device, a scissor-type support frame is arranged at the lower end of the second moving device, and a supporting moving device is arranged at the lower end of the scissor-type support frame.

[0008] Furthermore, a limit piece is provided at the end of the first screw rod, and the limit piece is fixedly connected to the first screw rod; an outer guard plate is provided at the upper end of the first drive motor, and the outer guard plate is fixedly connected to the first maintenance platform, and the outer guard plate is used to protect the first drive motor, the first screw rod and the first moving block.

[0009] Furthermore, an insulating pad is provided at the upper end of the first maintenance platform, and the insulating pad is fixedly connected to the first maintenance platform.

[0010] Furthermore, a first outer guardrail is arranged at the upper end of the first maintenance platform, a second outer guardrail is arranged at one end of the first outer guardrail, and the first outer guardrail is fixedly connected to the second outer guardrail; a third outer guardrail is arranged at one end of the second outer guardrail, the third outer guardrail is movably connected to the second outer guardrail, and a snap-on buckle is arranged at one end of the third outer guardrail.

[0011] Furthermore, the first moving device includes a first shell, a second drive motor is arranged in the first shell, an output end of the second drive motor is connected to one end of a second screw rod, and the other end of the second screw rod is movably connected to the inner wall surface of the first shell.

[0012] Furthermore, a second moving block is arranged on the second screw rod, a first guide rod is arranged on the side of the second screw rod, and both ends of the first guide rod are fixedly connected to the inner wall surface of the first shell; a first slider is arranged on the first guide rod, and the first slider and the second moving block are fixedly connected to the second maintenance platform.

[0013] Furthermore, the second moving device includes a second shell, a third drive motor is arranged in the second shell, an output end of the third drive motor is connected to one end of a third screw rod, and the other end of the third screw rod is movably connected to the inner wall surface of the second shell.

[0014] Furthermore, a third moving block is arranged on the third screw rod, a second guide rod is arranged on the side of the third screw rod, and both ends of the second guide rod are fixedly connected to the inner wall surface of the second shell; a second slider is arranged on the second guide rod, and the second slider and the third moving block are fixedly connected to the first shell.

[0015] Furthermore, the supporting movable device includes a supporting plate, a scissor-type supporting frame is arranged at the upper end of the supporting plate, a first mounting block is symmetrically arranged at the lower end of the supporting plate, a rotating shaft is arranged on the first mounting block, and moving wheels are arranged at both ends of the rotating shaft; a grounding device is arranged at the front of the supporting plate, and the grounding device includes a second mounting block, the second mounting block is connected to the front of the supporting plate, and a grounding head is arranged at the lower part of the second mounting block.

[0016] A working method of an electric power maintenance device comprises the following steps: Move the power maintenance device to the maintenance position, the staff climbs onto the maintenance platform, the scissor support frame starts, and the maintenance platform reaches the height of the maintenance position for maintenance; After the fault point at one location is repaired, the position of the repair platform is adjusted by the first moving device and the second moving device to repair the fault point at another location; When multiple people are needed to cooperate in maintenance, the maintenance support device can be used to adjust the space size of the maintenance platform to increase the standing space on the maintenance platform, and then the guardrail can be connected to carry out maintenance by multiple people; After the maintenance is completed, the scissor-type support frame is started to lower the maintenance platform, and the staff walks out of the maintenance platform. Then, the maintenance platform is restored to its initial position through the first moving device, the second moving device and the maintenance support device, and finally the power maintenance device is moved to the storage position.

[0017] Compared with the prior art, the present invention has the following advantages and positive effects: The present invention drives the first screw to rotate through the first driving motor, thereby driving the first moving block to move, and then driving the first maintenance platform to move through the first moving block, so that the first maintenance platforms at both ends move in opposite directions, and the movement is achieved through the sliding track between the first maintenance platform and the second maintenance platform. Specifically, the movement can be achieved through the cooperation of the sliding track and the slider, that is, a slider is set on the first maintenance platform, and a sliding rail is set on the inner side of the second maintenance platform, which ultimately achieves the increase of the standing space of the maintenance platform.

[0018] That is, in the initial state, the two first maintenance platforms are used as the standing space for the staff. After adjustment, the standing space is composed of the first support plates at both ends and the second support plate in the middle, so that the space of the maintenance platform is increased. The space size of the maintenance platform is adjusted according to the maintenance situation. During transportation, the space of the maintenance platform can be reduced for easy transportation. During maintenance, the use space of the maintenance platform can be increased to facilitate maintenance.

[0019] The present invention is provided with a first outer guardrail, a second outer guardrail and a third outer guardrail. The first outer guardrail and the second outer guardrail play a protective role. After the maintenance device is raised, they play a role in protecting the operating personnel and preventing the operating personnel from falling. After the first maintenance platform moves, the third outer guardrails at both ends are rotated, and the third outer guardrails at both ends are clamped by snap buckles, thereby achieving a protective effect after the first maintenance platform moves.

[0020] The present invention is provided with a first moving device and a second moving device, and the second driving motor of the first moving device is started to drive the second screw to rotate, and the rotation of the second screw causes the second moving block to move, thereby driving the second maintenance platform to move horizontally. At this time, the first slider slides along the first guide rod, and the first maintenance platform is jointly supported by the first slider and the second moving block, thereby realizing the horizontal position adjustment of the maintenance platform, so that the operating personnel can perform maintenance on multiple positions without having to move the power maintenance device as a whole.

[0021] The third driving motor of the second moving device is started to drive the third screw to rotate. The rotation of the third screw causes the third moving block to move, thereby driving the first shell to move laterally. At this time, the second slider slides along the second guide rod, and the first shell is jointly supported by the second slider and the third moving block, thereby driving the first shell to move forward and backward, and finally driving the first maintenance platform to move forward and backward, thereby realizing the front and rear position adjustment of the maintenance platform, so that the operating personnel can inspect the cables installed in parallel without moving the power maintenance device as a whole.

[0022] The first moving device and the second moving device cooperate to realize free adjustment of the position of the maintenance platform. Multiple positions in an area can be inspected without moving the power maintenance device multiple times, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0024] Figure 1 It is a three-dimensional structural diagram of the power maintenance device of the present invention; Figure 2 is a three-dimensional structural diagram of the maintenance support device of the present invention; Figure 3 It is a schematic diagram of the installation position of the second maintenance platform of the electric power maintenance device of the present invention; Figure 4 is a structural diagram of a first mobile device of the present invention; Figure 5 is a structural diagram of a second mobile device of the present invention; Figure 6 is a structural diagram of the supporting mobile device of the present invention; In the figure: 1, maintenance support device; 101, first maintenance platform; 102, second maintenance platform; 103, first outer guardrail; 104, second outer guardrail; 105, third outer guardrail; 106, snap-fit ​​buckle; 107, first drive motor; 108, first screw; 109, first moving block; 110, limiter; 111, insulating pad; 112, outer guard plate; 2. First moving device; 201. First housing; 202. Second driving motor; 203. Second screw rod; 204. Second moving block; 205. First guide rod; 206. First slider; 3. Second moving device; 301. Second housing; 302. Third driving motor; 303. Third screw rod; 304. Third moving block; 305. Second guide rod; 306. Second slider; 4. Scissor-type support frame; 5. Supporting mobile device; 501. Supporting plate; 502. Moving wheel; 503. First mounting block; 504. Rotating shaft; 6. Grounding device; 601. Second mounting block; 602. Grounding head. DETAILED DESCRIPTION It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0025] Embodiment 1: The present invention is described in detail below in conjunction with the accompanying drawings. The present embodiment discloses an electric power maintenance device, such as Figure 1 As shown, the maintenance support device 1 includes a second maintenance platform 102, a first maintenance platform 101 is symmetrically arranged on the upper end of the second maintenance platform 102, and a sliding track is arranged between the first maintenance platform 101 and the second maintenance platform 102; a first driving motor 107 is arranged in the middle of the second maintenance platform 102, an output end of the first driving motor 107 is connected to a first screw 108, a first moving block 109 is arranged on the first screw 108, and one end of the first moving block 109 is connected to the first maintenance platform 101; The first drive motor 107 is a dual-axis motor, one end of which is an input end and the other end is an output end, and the two ends have different directions of rotation. Therefore, when the first drive motor 107 is started, the first screws 108 at the two ends have different directions of rotation, thereby causing the first moving blocks 109 at the two ends to move in opposite directions; when in use, the first drive motor 107 is started to rotate the first screw 108, thereby driving the first moving block 109 to move, and then driving the first maintenance platform 101 to move through the first moving block 109, thereby causing the first maintenance platforms 101 at the two ends to move in opposite directions, and the movement is achieved through the sliding track between the first maintenance platform 101 and the second maintenance platform 102. Specifically, the movement can be achieved through the cooperation of the sliding track and the slider, that is, a slider is set on the first maintenance platform 101, and a slide rail is set on the inner side of the second maintenance platform 102, thereby finally achieving an increase in the standing space of the maintenance platform.

[0026] That is, in the initial state, the two first maintenance platforms 101 are used as standing space for the staff. After adjustment, the standing space is composed of the first support plates at both ends and the second support plates in the middle, so that the space of the maintenance platform is increased. The space size of the maintenance platform is adjusted according to the maintenance situation. During transportation, the space of the maintenance platform can be reduced for easy transportation. During maintenance, the use space of the maintenance platform can be increased to facilitate maintenance.

[0027] A first moving device 2 is disposed at the lower end of the second maintenance platform 102 , a second moving device 3 is disposed at the lower end of the first moving device 2 , a scissor-type support frame 4 is disposed at the lower end of the second moving device 3 , and a supporting moving device 5 is disposed at the lower end of the scissor-type support frame 4 .

[0028] In the actual maintenance process, the maintenance position is not completely accurate. An area is determined first, and then the area is checked. After the fixed point is determined, maintenance is carried out. At this time, frequent movement of the maintenance device is inefficient. Therefore, the first moving device 2 and the second moving device 3 are used to adjust the position of the maintenance platform, which improves the efficiency of maintenance and eliminates the need to frequently move the maintenance device.

[0029] A limit piece 110 is provided at the end of the first screw rod 108, and the limit piece 110 is fixedly connected to the first screw rod 108; the limit piece 110 is used to limit the first moving block 109 to prevent the moving block from moving too far and falling out of the first screw rod 108; an outer guard plate 112 is provided at the upper end of the first drive motor 107, and the outer guard plate 112 is fixedly connected to the first maintenance platform 101, and the outer guard plate 112 is used to protect the first drive motor 107, the first screw rod 108 and the first moving block 109.

[0030] like Figure 3As shown, an insulating pad 111 is disposed on the upper end of the first maintenance platform 101, and the insulating pad 111 is fixedly connected to the first maintenance platform 101. The insulating pad 111 is made of insulating material to prevent electric shock to operators. An insulating pad 111 is also disposed on the upper part of the second maintenance platform 102, and after the first maintenance platform 101 is moved, it cooperates with the insulating pad 111 on the first maintenance platform 101 to prevent electric shock.

[0031] like Figure 2 As shown, a first outer guardrail 103 is arranged at the upper end of the first maintenance platform 101, a second outer guardrail 104 is arranged at one end of the first outer guardrail 103, and the first outer guardrail 103 is fixedly connected to the second outer guardrail 104; a third outer guardrail 105 is arranged at one end of the second outer guardrail 104, the third outer guardrail 105 is movably connected to the second outer guardrail 104, and a snap-on buckle 106 is arranged at one end of the third outer guardrail 105.

[0032] The first outer guardrail 103 and the second outer guardrail 104 play a protective role. After the maintenance device is raised, they play a role in protecting the workers and preventing them from falling. After the first maintenance platform 101 moves, the third outer guardrails 105 at both ends are rotated, and the third outer guardrails 105 at both ends are snap-connected by the snap-fit ​​buckles 106, so that they still have a protective effect after the first maintenance platform 101 moves.

[0033] like Figure 4 As shown, the first moving device 2 includes a first housing 201, a second drive motor 202 is arranged in the first housing 201, the output end of the second drive motor 202 is connected to one end of a second screw rod 203, and the other end of the second screw rod 203 is movably connected to the inner wall surface of the first housing 201. A second moving block 204 is arranged on the second screw rod 203, a first guide rod 205 is arranged on the side of the second screw rod 203, and both ends of the first guide rod 205 are fixedly connected to the inner wall surface of the first housing 201; a first slider 206 is arranged on the first guide rod 205, and the first slider 206 and the second moving block 204 are fixedly connected to the second maintenance platform 102.

[0034] The first shell 201 plays a protective role, as well as the function of installing the second drive motor 202, the second screw 203 and the first guide rod 205. When in use, the second drive motor 202 is started to drive the second screw 203 to rotate, and the rotation of the second screw 203 causes the second moving block 204 to move, thereby driving the second maintenance platform 102 to move horizontally. At this time, the first slider 206 slides along the first guide rod 205, and the first maintenance platform 101 is jointly supported by the first slider 206 and the second moving block 204, thereby realizing the horizontal position adjustment of the maintenance platform, so that the operator does not need to move the power maintenance device as a whole, and can perform maintenance on multiple positions.

[0035] like Figure 5As shown, the second moving device 3 includes a second housing 301, a third driving motor 302 is arranged in the second housing 301, the output end of the third driving motor 302 is connected to one end of a third screw rod 303, and the other end of the third screw rod 303 is movably connected to the inner wall surface of the second housing 301. A third moving block 304 is arranged on the third screw rod 303, a second guide rod 305 is arranged on the side of the third screw rod 303, and both ends of the second guide rod 305 are fixedly connected to the inner wall surface of the second housing 301; a second slider 306 is arranged on the second guide rod 305, and the second slider 306 and the third moving block 304 are fixedly connected to the first housing 201.

[0036] The second shell 301 plays a protective role, as well as the function of installing the third drive motor 302, the third screw 303 and the second guide rod 305. When in use, the third drive motor 302 is started, driving the third screw 303 to rotate. The rotation of the third screw 303 causes the third moving block 304 to move, thereby driving the first shell 201 to move horizontally. At this time, the second slider 306 slides along the second guide rod 305, and the first shell 201 is jointly supported by the second slider 306 and the third moving block 304, thereby driving the first shell 201 to move forward and backward, and finally driving the first maintenance platform 101 to move forward and backward, thereby realizing the front and rear position adjustment of the maintenance platform, so that the operator can inspect the parallel installed cables without moving the power maintenance device as a whole.

[0037] The first moving device 2 and the second moving device 3 cooperate to realize free adjustment of the position of the maintenance platform. Multiple positions in an area can be inspected without moving the power maintenance device multiple times, thereby improving work efficiency.

[0038] like Figure 6 As shown, the supporting mobile device 5 includes a supporting plate 501, a scissor-type supporting frame 4 is arranged at the upper end of the supporting plate 501, a first mounting block 503 is symmetrically arranged at the lower end of the supporting plate 501, a rotating shaft 504 is arranged on the first mounting block 503, and moving wheels 502 are arranged at both ends of the rotating shaft 504; the scissor-type supporting frame 4 adopts the existing scissor-type supporting frame 4, and the scissor-type supporting frame 4 drives the maintenance platform to rise and fall, so that the operator can reach the height of the required maintenance position. The supporting mobile device 5 is used to move the power maintenance device as a whole, and a corresponding driving motor can be arranged on the rotating shaft 504, and the driving motor drives the rotating shaft 504 to rotate, thereby rotating the moving wheel 502, thereby realizing the movement of the device.

[0039] A grounding device 6 is provided at the front of the support plate 501, and the grounding device 6 includes a second mounting block 601, the second mounting block 601 is connected to the front of the support plate 501, and a grounding head 602 is provided at the lower part of the second mounting block 601. The power maintenance device is grounded as a whole through the grounding device 6, and the grounding head 602 is close to the ground to prevent the operator from electric shock.

[0040] Embodiment 2: A working method of an electric power maintenance device comprises the following steps: Move the power maintenance device to the maintenance position, the staff climbs onto the maintenance platform, the scissor support frame 4 is started, and the maintenance platform reaches the height of the maintenance position for maintenance; After the fault point at one location is repaired, the position of the repair platform is adjusted by the first moving device 2 and the second moving device 3 to repair the fault point at another location; the first moving device 2 drives the repair platform to move horizontally, and the second moving device 3 drives the repair platform to move forward and backward, thereby realizing flexible adjustment of the repair position and improving work efficiency.

[0041] When multiple people are needed to cooperate in maintenance, the maintenance support device 1 is used to adjust the size of the maintenance platform so that the standing space of the maintenance platform is increased, and then the guardrail is connected, so that multiple people can cooperate in maintenance; the maintenance support device 1 is used to adjust the size of the standing space for the staff, and after the adjustment is completed, the staff can board the maintenance platform, which improves the applicability of the device. It can be determined whether the size of the standing space needs to be adjusted according to the number of workers required for maintenance. If there are few workers, no adjustment is required. If there are many workers, the maintenance support device 1 is used to adjust it; After the maintenance is completed, the scissor-type support frame 4 is started to lower the maintenance platform, and the staff walks out of the maintenance platform, and then restores the maintenance platform to its initial position through the first moving device 2, the second moving device 3 and the maintenance support device 1, and finally moves the power maintenance device to the storage position.

[0042] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. An electric power maintenance device, characterized in that: It comprises an inspection support device, the inspection support device comprises a second inspection platform, the first inspection platform is symmetrically arranged on the upper end of the second inspection platform, and a sliding track is arranged between the first inspection platform and the second inspection platform; A first drive motor is provided in the middle of the second maintenance platform, an output end of the first drive motor is connected to a first screw rod, a first moving block is provided on the first screw rod, and one end of the first moving block is connected to the first maintenance platform; A first moving device is arranged at the lower end of the second maintenance platform, a second moving device is arranged at the lower end of the first moving device, a scissor-type support frame is arranged at the lower end of the second moving device, and a supporting moving device is arranged at the lower end of the scissor-type support frame.

2. The power maintenance device according to claim 1, characterized in that: A limit piece is provided at the end of the first screw rod, and the limit piece is fixedly connected to the first screw rod; an outer guard plate is provided at the upper end of the first drive motor, and the outer guard plate is fixedly connected to the first maintenance platform, and the outer guard plate is used to protect the first drive motor, the first screw rod and the first moving block.

3. The power maintenance device according to claim 2, characterized in that: An insulating pad is arranged at the upper end of the first maintenance platform, and the insulating pad is fixedly connected to the first maintenance platform.

4. The power maintenance device according to claim 2, characterized in that: A first outer guardrail is arranged at the upper end of the first maintenance platform, a second outer guardrail is arranged at one end of the first outer guardrail, and the first outer guardrail is fixedly connected to the second outer guardrail; a third outer guardrail is arranged at one end of the second outer guardrail, the third outer guardrail is movably connected to the second outer guardrail, and a snap-on buckle is arranged at one end of the third outer guardrail.

5. The power maintenance device according to claim 1, characterized in that: The first moving device includes a first shell, a second drive motor is arranged in the first shell, an output end of the second drive motor is connected to one end of a second screw rod, and the other end of the second screw rod is movably connected to the inner wall surface of the first shell.

6. The power maintenance device according to claim 5, characterized in that: A second moving block is arranged on the second screw rod, a first guide rod is arranged on the side of the second screw rod, and both ends of the first guide rod are fixedly connected to the inner wall surface of the first shell; a first slider is arranged on the first guide rod, and the first slider and the second moving block are fixedly connected to the second maintenance platform.

7. The power maintenance device according to claim 1, characterized in that: The second moving device includes a second shell, a third driving motor is arranged in the second shell, an output end of the third driving motor is connected to one end of a third screw rod, and the other end of the third screw rod is movably connected to the inner wall surface of the second shell.

8. The power maintenance device according to claim 7, characterized in that: A third moving block is arranged on the third screw rod, a second guide rod is arranged on the side of the third screw rod, and both ends of the second guide rod are fixedly connected to the inner wall surface of the second shell; a second slider is arranged on the second guide rod, and the second slider and the third moving block are fixedly connected to the first shell.

9. The power maintenance device according to claim 1, characterized in that: The supporting movable device comprises a supporting plate, a scissor-type supporting frame is arranged at the upper end of the supporting plate, a first mounting block is symmetrically arranged at the lower end of the supporting plate, a rotating shaft is arranged on the first mounting block, and moving wheels are arranged at both ends of the rotating shaft; a grounding device is arranged at the front of the supporting plate, and the grounding device comprises a second mounting block, the second mounting block is connected to the front of the supporting plate, and a grounding head is arranged at the lower part of the second mounting block.

10. A working method for an electric power maintenance device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Move the power maintenance device to the maintenance position, the staff climbs onto the maintenance platform, the scissor support frame starts, and the maintenance platform reaches the height of the maintenance position for maintenance; After the fault point at one location is repaired, the position of the repair platform is adjusted by the first moving device and the second moving device to repair the fault point at another location; When multiple people are needed to cooperate in maintenance, the maintenance support device can be used to adjust the space size of the maintenance platform to increase the standing space on the maintenance platform, and then the guardrail can be connected to carry out maintenance by multiple people; After the maintenance is completed, the scissor-type support frame is started to lower the maintenance platform, and the staff walks out of the maintenance platform. Then, the maintenance platform is restored to its initial position through the first moving device, the second moving device and the maintenance support device, and finally the power maintenance device is moved to the storage position.

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