Insulation lifting platform for electric power overhaul

Abstract

The invention discloses an insulating lifting platform for electric power overhaul, which comprises a vehicle body, a lifting assembly is rotatably arranged on the vehicle body, a platform assembly is connected to the lifting assembly, the lifting assembly can drive the platform assembly to ascend or descend, and an angle adjusting assembly is arranged between the lifting assembly and the platform assembly and is used for adjusting the position of the platform assembly; the vehicle body is further provided with a stabilizing assembly, and the stabilizing assembly is detachably arranged on the vehicle body and used for keeping the lifting platform stable. According to the high-altitude maintenance platform, a worker stands on the platform assembly, the lifting assembly can drive the platform assembly to rise, so that the worker can perform high-altitude maintenance, and when the angle adjusting assembly adjusts the angle between the platform assembly and the lifting assembly, the coverage area of the platform assembly can be enlarged, so that the maintenance area of a maintainer is enlarged; the moving times of the vehicle body are reduced, so that the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lifting platform, in particular to an insulating lifting platform for power maintenance. BACKGROUND

[0002] With the rapid development of the power industry, live work has become an important means to ensure the stable operation of the power grid. The demand for non-stop work of distribution network is increasing all over the country, and the concepts of full-terrain and all-weather operation have been proposed. Some shortcomings of the traditional non-stop work mode are becoming more and more obvious: (1) The degree of non-stop work is gradually improved, and the full-terrain operation requires existing live work to have the ability to operate in various environmental conditions such as urban roads, alleys, rural fields, and hilly areas. At the same time, there is a demand for improving the operation efficiency of the live work team; (2) The existing live work insulated boom truck has certain off-road capability, and its boom has a large rotating operation radius. However, the vehicle itself is large in size, has high requirements for the construction site, and has large mobility restrictions; (3) Conventional live work not only affects road traffic, but also cannot use large equipment such as tracked insulation platforms and insulated boom trucks to quickly carry out work in narrow spaces in urban areas, such as alleys and old urban areas. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art and provide an insulating lifting platform for power maintenance.

[0004] To solve the above problems, the technical solution adopted by the present application is:

[0005] An insulating lifting platform for power maintenance, comprising a vehicle body;

[0006] A lifting assembly is rotatably arranged on the vehicle body;

[0007] A platform assembly is connected to the lifting assembly, and the lifting assembly can drive the platform assembly to rise or fall;

[0008] An angle adjusting assembly is arranged between the lifting assembly and the platform assembly for adjusting the position of the platform assembly;

[0009] A stabilizing assembly is detachably arranged on the vehicle body for maintaining the stability of the lifting platform.

[0010] Preferably, the lifting assembly comprises a bottom plate and a support frame arranged on the bottom plate, the support frame is provided with a lifting mast, the bottom plate is rotatably arranged on the vehicle body, the fixed end of the lifting mast is fixedly arranged on the support frame, the movable end of the lifting mast is connected to the platform assembly, and the angle adjusting assembly is arranged between the lifting mast and the platform assembly.

[0011] Preferably, the angle adjusting assembly comprises a first connecting rod and a second connecting rod, both ends of the first connecting rod and the second connecting rod are hingedly connected with the lifting mast and the platform assembly respectively, the first connecting rod and the second connecting rod are arranged in parallel, the first connecting rod is arranged below the second connecting rod, a sliding block is arranged on the first connecting rod in a sliding manner, a telescopic piece is arranged between the sliding block and the lifting mast, both ends of the telescopic piece are hingedly connected with the sliding block and the lifting mast respectively.

[0012] Preferably, the platform assembly comprises a base, a guardrail is arranged on the base, a connecting piece is fixedly arranged on the base, the first connecting rod and the second connecting rod are hingedly connected with the connecting piece.

[0013] Preferably, a reinforcing rod is arranged between the base and the connecting piece.

[0014] Preferably, a rotary motor is fixedly arranged on the vehicle body, the rotary motor is in transmission connection with the base plate, and is used to drive the base plate to rotate on the vehicle body.

[0015] Preferably, a connecting plate is fixedly arranged on the vehicle body, the connecting plate is arranged on both sides of the vehicle body, a supporting leg is arranged on the connecting plate, and the supporting leg is in detachable fixed connection with the connecting plate.

[0016] Preferably, a placing box is fixedly arranged on the vehicle body, the placing box is provided with a slot, and the supporting leg can be inserted into the slot.

[0017] Preferably, a first connecting hole, a second connecting hole and a third connecting hole are arranged on the connecting plate, the second connecting hole is arranged on one side of the first connecting hole, the third connecting hole is arranged above the first connecting hole, a fourth connecting hole and a fifth connecting hole are arranged on the supporting leg, the fourth connecting hole is arranged on one side of the fifth connecting hole, when the lifting platform is in a working state, the supporting leg is connected with the connecting plate, the first connecting hole and the fourth connecting hole are coincided and a pin shaft is inserted thereinto, and the second connecting hole and the fifth connecting hole are coincided and a pin shaft is inserted thereinto; when the lifting platform is in a moving state, the third connecting hole and the fifth connecting hole are coincided and a pin shaft is inserted thereinto.

[0018] Preferably, the supporting leg comprises a supporting rod, the supporting rod is in detachable fixed connection with the connecting plate, an adjusting rod is arranged at an end of the supporting rod away from the vehicle body, the adjusting rod is arranged perpendicularly to the supporting rod, and a supporting plate is fixedly arranged at a lower end of the adjusting rod.

[0019] The beneficial effects generated by the above technical scheme are as follows:

[0020] In the present application, the vehicle body is a tracked vehicle body, which can adapt to different environmental terrains, travel more smoothly, and provide more stable support, making the platform assembly more stable after being raised, the lifting mast can drive the platform assembly to rise or fall, and the angle adjusting assembly can adjust the angle between the lifting mast and the platform assembly, thereby expanding the maintenance area of the platform assembly, and the lifting assembly is rotationally connected with the vehicle body, thereby further expanding the maintenance area of the platform assembly, so that large-area power maintenance can be performed without moving the vehicle body, improving the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a perspective view of the present application;

[0022] Figure 2 is Figure 1 is an enlarged view of A of

[0023] Figure 3 is a perspective view of the lifting assembly of the present application;

[0024] Figure 4 is a perspective view of the platform assembly of the present application;

[0025] Figure 5 is a perspective view of the placement box of the present application;

[0026] Figure 6 is a perspective view of the support frame of the present application;

[0027] Figure 7 is a perspective view of the raised state of the present application;

[0028] Figure 8 is a perspective view of the support state of the present application;

[0029] Figure 9 is a perspective view of the folded state of the present application.

[0030] In the figure: 1 is the vehicle body, 2 is the bottom plate, 3 is the lifting mast, 4 is the first connecting rod, 5 is the second connecting rod, 6 is the sliding block, 7 is the telescopic piece, 8 is the base, 9 is the guardrail, 10 is the connecting piece, 11 is the reinforcing rod, 12 is the connecting plate, 13 is the supporting foot, 14 is the placement box, 15 is the supporting rod, 16 is the adjusting rod, 17 is the supporting plate, 18 is the support frame, 19 is the first connecting hole, 20 is the second connecting hole, 21 is the third connecting hole, 22 is the fourth connecting hole, 25 is the fifth connecting hole. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] As shown in Figure 1 An insulating lifting platform for power maintenance, comprising a vehicle body 1, the vehicle body 1 is a track type structure, both sides of which are rotatably connected with track wheels, and the track wheels are wound with tracks. The track type vehicle body can be more stable during driving to adapt to different environmental sites, and the track type structure vehicle body can also be more stable when supporting. The platform assembly can avoid the shaking of the lifting platform after being raised. A lifting assembly is rotatably arranged on the vehicle body 1, the height of the lifting assembly can be adjusted, and a platform assembly is arranged on the lifting assembly. When the height of the lifting assembly is adjusted, the platform assembly can be raised or lowered. An angle adjusting assembly is arranged between the lifting assembly and the platform assembly, which can adjust the angle between the platform assembly and the lifting assembly, thereby adjusting the position of the platform assembly and expanding the maintenance range of the platform assembly. The vehicle body 1 is also provided with a stabilizing assembly, which is detachably connected with the vehicle body 1. The stabilizing assembly can be used to keep the overall stability of the lifting platform, avoiding the shaking of the lifting platform to cause the staff to stand unsteadily and cause danger.

[0035] In the application, when the high-voltage power equipment is overhauled, the vehicle body 1 can be moved to the lower side of the power equipment, and the stabilizing assembly is fixedly arranged on the vehicle body 1, so that the vehicle body 1 is more stable when the staff stands on the platform assembly. Then, the lifting assembly drives the platform assembly to rise, so that the staff standing on the platform assembly is raised, and the high-voltage power equipment can be overhauled. When the overhauling area is large, the angle adjusting assembly and the lifting assembly are cooperated to expand the area covered by the platform assembly, so that the large-area overhauling work can be carried out without moving the vehicle. In addition, the lifting assembly is further rotated to expand the overhauling area, so that the staff can carry out the 360-degree overhauling with the vehicle body 1 as the center, and the overhauling efficiency is further improved.

[0036] Further, as shown in Figure 3 , the lifting assembly comprises a bottom plate 2 and a support frame 18 fixedly arranged on the bottom plate 2. The bottom plate 2 is rotationally arranged on the vehicle body 1. The fixed end of the lifting mast 3 is fixedly arranged on the support frame 18. The movable end of the lifting mast 3 is connected with the platform assembly. The bottom plate 2 has a circular structure and can rotate around the center of the bottom plate 2, so as to drive the support frame 18 and the lifting mast 3 on the support frame 18 to rotate in the circumferential direction, so that the platform assembly arranged on the lifting mast 3 is rotated. The angle adjusting assembly is arranged between the lifting mast 3 and the platform assembly. One end of the angle adjusting assembly is connected with the movable end of the lifting mast 3. The other end of the angle adjusting assembly is connected with the platform assembly. The angle between the platform assembly and the lifting mast 3 can be adjusted through the angle adjusting assembly, so as to expand the area covered by the platform assembly.

[0037] It should be noted that the lifting mast 3 comprises at least two lifting rods connected with each other in a sliding manner. When the lifting rod is two, one of the lifting rods is fixedly arranged on the support frame 18, which is the fixed end of the lifting mast 3. The other lifting rod is the movable end of the lifting mast 3. When the lifting rod is more than two, the remaining lifting rods are located between the fixed end and the movable end of the lifting mast 3, and the adjacent two lifting rods are connected in a sliding manner. The sliding working principle between the lifting rods belongs to the prior art, which will not be described here.

[0038] Further, as shown in Figure 1 , Figure 3 , and Figure 4As shown, the angle adjusting assembly comprises a first connecting rod 4 and a second connecting rod 5, both ends of the first connecting rod 4 and the second connecting rod 5 are hinged with the movable end of the lifting mast 3 and the platform assembly respectively, the first connecting rod 4 and the second connecting rod 5 are arranged in parallel, the first connecting rod 4 is located below the second connecting rod 5, the first connecting rod 4 and the second connecting rod 5 serve to connect the lifting mast 3 and the platform assembly, a sliding block 6 is arranged on the first connecting rod 4 in sliding mode, the sliding block 6 can slide along the length direction of the first connecting rod 4, a telescopic piece 7 is arranged between the sliding block 6 and the lifting mast 3, both ends of the telescopic piece 7 are hinged with the sliding block 6 and the lifting mast 3 respectively, in the embodiment, the telescopic piece 7 is a hydraulic cylinder, the cylinder barrel of the hydraulic cylinder is hinged with the lifting mast 3, the piston rod of the hydraulic cylinder is hinged with the platform assembly; when the piston rod of the hydraulic rod is extended or retracted, the sliding block 6 can be driven to slide along the first connecting rod 4, the angle between the connecting rod and the lifting mast 3 is adjusted at the same time, the platform assembly is driven to extend outwards of the vehicle body 1 or retract inwards of the vehicle body 1, and the coverage area of the platform assembly is expanded.

[0039] Further, as shown in the figure, Figure 4 As shown, the platform assembly comprises a base 8, the base 8 is a flat plate structure, the base 8 is provided with a guardrail 9, the guardrail 9 is arranged around the base 8, which serves to prevent the workers from falling and protects the workers, the base 8 is fixedly provided with a connecting piece 10, the connecting piece 10 is located on the side of the base 8 close to the vehicle body 1, the first connecting rod 4 and the second connecting rod 5 are both hinged with the connecting piece 10. In the embodiment, the platform assembly is made of insulating material, which can avoid the workers standing on the platform assembly from being electrocuted and protect the physical safety of the workers.

[0040] Further, a reinforcing rod 11 is arranged between the base 8 and the connecting piece 10, the reinforcing rod 11 is located below the base 8, the reinforcing rod 11 is arranged in an inclined mode, the reinforcing rod 11 can enhance the connecting strength between the connecting piece 10 and the base 8, so that the platform assembly has stronger structural strength and can bear greater weight.

[0041] Further, the vehicle body 1 is fixedly provided with a rotating motor, which is in transmission connection with the bottom plate 2 and used to drive the bottom plate 2 to rotate on the vehicle body 1. In the embodiment, the rotating motor is fixedly arranged on the vehicle body 1 and located below the bottom plate 2, and the bottom plate 2 is provided with a rotating bearing at the bottom, which comprises an inner ring and an outer ring, and the inner ring and the outer ring of the rotating bearing are provided with balls therebetween to facilitate the rotation of the rotating bearing. The outer ring of the rotating bearing is fixedly connected with the vehicle body 1, and the inner ring of the rotating bearing is fixedly connected with the bottom plate 2. The inner circumferential surface of the inner ring of the rotating bearing is provided with teeth, and the output shaft of the rotating motor is fixedly connected with a gear, which is in meshing connection with the teeth on the inner ring of the rotating bearing. After the rotating motor is started, the gear is driven to rotate, thereby driving the inner ring of the rotating bearing and the bottom plate 2 to rotate, so that the support frame 18 and the lifting mast 3 on the bottom plate 2 are rotated, and the platform assembly can rotate with the center of the bottom plate 2 as the center, thereby further expanding the area covered by the platform assembly.

[0042] Further, the vehicle body 1 is fixedly provided with a plurality of connecting plates 12, which are arranged on the two sides of the vehicle body 1. In the embodiment, four connecting plates 12 are arranged, and two connecting plates 12 are arranged on each side of the vehicle body 1. Each connecting plate 12 is provided with a support leg 13, and the support leg 13 is in detachable fixed connection with the connecting plate 12. In the embodiment, four connecting plates 12 are arranged, and two connecting plates 12 are arranged on each side of the vehicle body 1. The connecting plate 12 and the support leg 13 are fixedly connected by bolts or pins. When the power is maintained, the vehicle body 1 is moved to the lower side of the equipment, the support leg 13 is fixed on the connecting plate 12, the support leg 13 can support the vehicle body 1, the vehicle body 1 is more stable, and the platform assembly is not shaken after being lifted. When the vehicle body 1 needs to be moved or transported for a long distance after the maintenance is completed, the support leg 13 is detached from the connecting plate 12, and the movement of the vehicle body 1 is facilitated.

[0043] In another embodiment, as Figure 1 、 Figure 2 、 Figure 6 、 Figure 8 and Figure 9As shown, the connecting plate 12 is provided with a first connecting hole 19, a second connecting hole 20 and a third connecting hole 21. The second connecting hole 20 is located on one side of the first connecting hole 19, and the third connecting hole 21 is located above the first connecting hole 19. The third connecting hole 21 is provided with two. The support leg 13 is provided with a fourth connecting hole 22 and a fifth connecting hole 23. The fourth connecting hole 22 is located on one side of the fifth connecting hole 23, and the fifth connecting hole 23 is also provided with two. When the lifting platform is in a working state and needs to support the vehicle body 1, the support leg 13 is connected with the connecting plate 12, so that the first connecting hole 19 and the fourth connecting hole 22 are coincided and inserted with a pin shaft or a bolt, and the second connecting hole 20 and one of the fifth connecting holes 23 are coincided and inserted with a pin shaft or a bolt. At this time, the support leg 13 is in a horizontal state and can support the vehicle body 1, making the vehicle body 1 more stable. When the lifting platform is in a moving state, the vehicle body 1 needs to move in a small range, so the support leg 13 does not need to be completely disassembled. At this time, the pin shaft or bolt inserted into the second connecting hole 20 and the fifth connecting hole 23 can be removed, and then the support leg 13 is rotated upward with the fourth connecting hole 22 as the center until the third connecting hole 21 is coincided with the fifth connecting hole 23 and the pin shaft or bolt is inserted. At this time, the support leg 13 is in a vertical state and can make the vehicle body 1 move in a small range, saving the disassembly time of the support leg 13 and improving the maintenance efficiency.

[0044] Further, as shown in Figure 1 and Figure 5 , the vehicle body 1 is fixedly provided with a placing box 14. The top of the placing box 14 is provided with a plurality of insertion slots. The number of the insertion slots is the same as the number of the support legs 13. The support leg 13 can be inserted into the insertion slot. When the vehicle body 1 needs to move, the support leg 13 can be inserted into the insertion slot of the placing box 14 after being disassembled, which is convenient for transportation and storage of the support leg 13. The support leg 13 can be directly taken out from the placing box 14 during installation.

[0045] Further, as shown in Figure 6 , the support leg 13 comprises a support rod 15. One end of the support rod 15 is detachably fixedly connected with the connecting plate 12. An adjusting rod 16 is arranged at the end of the support rod 15 away from the vehicle body 1. The adjusting rod 16 is arranged perpendicularly to the support rod 15. A supporting plate 17 is fixedly arranged at the lower end of the adjusting rod 16. The adjusting rod 16 is threadedly connected with the support rod 15. In this embodiment, when the vehicle body 1 needs to be supported, one end of the support rod 15 is fixedly connected with the connecting plate 12 through a bolt, and then the supporting plate 17 is closely contacted with the ground by rotating the adjusting rod 16, so as to support the vehicle body 1. When the vehicle body 1 needs to move, the supporting plate 17 is separated from the ground by rotating the adjusting rod 16, and then the support rod 15 is separated from the connecting plate 12. Finally, the support rod 15 can be inserted into the insertion slot of the placing box 14.

[0046] Further, in order to enable the adjusting rod 16 to be threadedly connected with the supporting rod 15, a threaded hole is formed on the side of the supporting rod 15 away from the vehicle body 1, an internal thread is arranged in the threaded hole, an external thread is arranged on the adjusting rod 16, the thread connection of the adjusting rod 16 with the supporting rod 15 is realized, and a locking nut is threadedly connected with the adjusting rod 16, so that when the adjusting rod 16 is adjusted, the locking nut is tightened to lock and fix the adjusting rod 16, and the loosening of the adjusting rod 16 to cause the instability of the vehicle body 1 can be prevented.

[0047] Further, a third connecting rod is fixedly arranged at the end of the adjusting rod 16 away from the supporting plate 17, the third connecting rod is arranged perpendicularly to the adjusting rod 16, a handle is fixedly arranged at the end of the third connecting rod away from the adjusting rod 16, the adjusting rod 16 and the handle are respectively located on the two sides of the third connecting rod, the handle is convenient for the staff to hold, the staff holds the handle to rotate to drive the adjusting rod 16 to rotate, so that the adjusting rod 16 rotates on the supporting rod 15, and the position of the adjusting rod 16 is controlled.

[0048] In the application, the insulation lifting platform adopts a tracked structure, can meet the actual needs of driving on complex terrains such as mountains, slopes, paddy fields and narrow roads, can solve the difficulty of conventional arm trucks to operate on special terrains, secondly, the insulation lifting platform adopts a modular structure design, can complete rapid deployment, can adapt to the operation needs of inclined ground and uneven terrain, and the insulation lifting platform is provided with foldable, detachable and telescopic supporting feet, so that the insulation lifting platform can work in narrow areas where the arm truck cannot enter, in addition, the insulation lifting platform can rotate by 360 degrees, greatly improves the operation area, and creatively adds an angle adjusting assembly, further increases the operation distance and operation height, and improves the operation efficiency.

[0049] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An insulated lifting platform for power maintenance, characterized in that, Including the vehicle body (1); The lifting assembly is rotatably mounted on the vehicle body (1); A platform component is connected to the lifting component, which can drive the platform component to rise or fall. An angle adjustment component is disposed between the lifting component and the platform component, and is used to adjust the position of the platform component; A stabilizing component, detachably mounted on the vehicle body (1), is used to maintain the stability of the lifting platform.

2. The insulated lifting platform for power maintenance according to claim 1, characterized in that, The lifting assembly includes a base plate (2) and a support frame (18) disposed on the base plate (2). A lifting mast (3) is provided on the support frame (18). The base plate (2) is rotatably disposed on the vehicle body (1). The fixed end of the lifting mast (3) is fixedly disposed on the support frame (18). The movable end of the lifting mast (3) is connected to the platform assembly. The angle adjustment assembly is disposed between the lifting mast (3) and the platform assembly.

3. An insulated lifting platform for power maintenance according to claim 2, characterized in that, The angle adjustment assembly includes a first connecting rod (4) and a second connecting rod (5). The two ends of the first connecting rod (4) and the second connecting rod (5) are respectively hinged to the lifting mast (3) and the platform assembly. The first connecting rod (4) and the second connecting rod (5) are arranged in parallel. The first connecting rod (4) is located below the second connecting rod (5). A slider (6) is slidably arranged on the first connecting rod (4). A telescopic member (7) is arranged between the slider (6) and the lifting mast (3). The two ends of the telescopic member (7) are respectively hinged to the slider (6) and the lifting mast (3).

4. An insulated lifting platform for power maintenance according to claim 3, characterized in that, The platform component includes a base (8), a guardrail (9) is provided on the base (8), and a connector (10) is fixedly provided on the base (8). The first connecting rod (4) and the second connecting rod (5) are both hinged to the connector (10).

5. An insulated lifting platform for power maintenance according to claim 4, characterized in that, A reinforcing rod (11) is provided between the base (8) and the connector (10).

6. An insulated lifting platform for power maintenance according to claim 2, characterized in that, A rotary motor is fixedly installed on the vehicle body (1), and the rotary motor is connected to the base plate (2) for driving the base plate (2) to rotate on the vehicle body (1).

7. An insulated lifting platform for power maintenance according to claim 1, characterized in that, A connecting plate (12) is fixedly installed on the vehicle body (1). The connecting plate (12) is located on both sides of the vehicle body (1). A support foot (13) is provided on the connecting plate (12). The support foot (13) is detachably and fixedly connected to the connecting plate (12).

8. An insulated lifting platform for power maintenance according to claim 7, characterized in that, A placement box (14) is fixedly installed on the vehicle body (1). The placement box (14) has a slot, and the support foot (13) can be inserted into the slot.

9. An insulated lifting platform for power maintenance according to claim 7, characterized in that, The connecting plate (12) is provided with a first connecting hole (19), a second connecting hole (20) and a third connecting hole (21). The second connecting hole (20) is located on one side of the first connecting hole (19), and the third connecting hole (21) is located above the first connecting hole (19). The support foot (13) is provided with a fourth connecting hole (22) and a fifth connecting hole (23). The fourth connecting hole (22) is located on one side of the fifth connecting hole (23). When the lifting platform is in working state, the support foot (13) is connected to the connecting plate (12). The first connecting hole (19) and the fourth connecting hole (22) overlap and are inserted with a pin. The second connecting hole (20) and the fifth connecting hole (23) overlap and are inserted with a pin. When the lifting platform is in moving state, the third connecting hole (21) and the fifth connecting hole (23) overlap and are inserted with a pin.

10. An insulated lifting platform for power maintenance according to claim 7, characterized in that, The support foot (13) includes a support rod (15), which is detachably and fixedly connected to the connecting plate (12). An adjustment rod (16) is provided at one end of the support rod (15) away from the vehicle body (1). The adjustment rod (16) is perpendicular to the support rod (15), and a support plate (17) is fixedly provided at the lower end of the adjustment rod (16).

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