Safe and efficient outdoor construction device for high-low voltage power distribution cabinet

Abstract

The utility model discloses a safe and efficient outdoor construction device for a high-low voltage power distribution cabinet. The safe and efficient outdoor construction device comprises a walking crawler belt, walking auxiliary wheels, a walking driving motor, a lower electrical isolation plate, a shear type lifting mechanism, a hydraulic lifting push rod, an upper electrical isolation plate, a platform guardrail and a console, the walking crawler and the walking auxiliary wheel are respectively arranged at two ends of the lower end face of the lower electrical isolation plate; the walking driving motor is arranged between the two walking crawler belts; the lower electrical isolation plate is connected with the upper electrical isolation plate through a shear type lifting mechanism; the hydraulic lifting push rod is fixed on the upper end face of the lower electrical isolation plate; the platform guardrail is fixed on the upper electrical isolation plate; the console is arranged on one side of the lower electrical isolation plate and is electrically connected with the walking driving motor and the hydraulic lifting push rod; the console drives and controls the walking crawler to walk and the upper electrical isolation plate to lift; the device can be electrically isolated from the ground for the second time, and the safety of constructors during the installation and maintenance of the high-low voltage power distribution cabinet is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power equipment construction auxiliary equipment, specifically relates to a safe and efficient high and low voltage distribution cabinet outdoor construction device. BACKGROUND

[0002] The high and low voltage distribution cabinet is an important power distribution equipment in the power supply system, and in the sparsely populated areas of county and town level areas and factory areas, the high and low voltage distribution cabinet is installed on the telegraph pole or high platform support, and when the traditional high and low voltage distribution cabinet is installed, the equipment is lifted by the crane, and the construction personnel climb the platform support of the high and low voltage distribution cabinet to carry out construction, the construction space is narrow, the safety hidden danger is high, and the high and low voltage distribution cabinet is not suitable for later live inspection, maintenance and maintenance. SUMMARY

[0003] The utility model aims at solving above -mentioned problem, and provides a safe and efficient high and low voltage distribution cabinet outdoor construction device.

[0004] A safe and efficient high and low voltage distribution cabinet outdoor construction device, it includes: walking track, walking deputy wheel, walking drive motor, lower electrical isolation board, shearing type lifting mechanism, hydraulic lifting push rod, upper electrical isolation board, platform guardrail, control cabinet, walking track and walking deputy wheel are equipped with 2, 2 walking tracks and 2 walking deputy wheels are arranged at the both ends of the lower electrical isolation board lower end surface respectively, walking drive motor is arranged between 2 walking tracks, and walking drive motor drives walking track to walk, and lower electrical isolation board is connected with upper electrical isolation board through shearing type lifting mechanism, hydraulic lifting push rod is fixed on the upper end surface of lower electrical isolation board, platform guardrail is fixed on upper electrical isolation board, control cabinet is arranged on one side of lower electrical isolation board, and control cabinet is electrically connected with walking drive motor and hydraulic lifting push rod, and control cabinet drives and operates walking track to walk and upper electrical isolation board to lift.

[0005] The lower electrical isolation board includes: first lower isolation board, first insulation layer board, second lower isolation board, the first insulation layer board is hard insulating rubber, and the first insulation layer board is arranged between the first lower isolation board and the second lower isolation board, the first lower isolation board and the first insulation layer board are electrically isolated through the second lower isolation board, the four corners of the first lower isolation board, the first insulation layer board and the second lower isolation board are all equipped with screw rod through holes of the same aperture and coaxial correspondence, and the screw rod through holes are threadedly locked and connected through first insulation connecting components;

[0006] The first insulation connecting component includes lower insulating screw rod sleeve, lower plate nut insulating gasket, first insulating screw rod and first insulating nut, the first insulating screw rod is sleeved in the screw rod through hole through the lower insulating screw rod sleeve, the lower plate nut insulating gasket is abutted on the lower end surface of the screw rod through hole, the first insulating nut is locked on the first insulating screw rod, and the upper end surface of the first insulating nut is abutted on the lower end surface of the lower plate nut insulating gasket.

[0007] The upper electrical isolation plate comprises a first upper isolation plate, a second insulation layer plate, a second upper isolation plate, the second insulation layer plate is a hard insulating rubber, the second insulation layer plate is arranged between the first upper isolation plate and the second upper isolation plate, the first upper isolation plate and the second upper isolation plate are electrically isolated through the second insulation layer plate, the four corners of the first upper isolation plate, the second insulation layer plate and the second upper isolation plate are provided with screw through holes with the same aperture and coaxial correspondence, and the screw through holes are threadedly locked and connected through the second insulation connecting assembly.

[0008] The second insulation connecting assembly comprises an upper insulating screw sleeve, an upper plate nut insulating gasket, a second insulating screw and a second insulating nut, the second insulating screw is sleeved in the screw through hole through the upper insulating screw sleeve, the upper plate nut insulating gasket abuts against the lower end surface of the screw through hole, the second insulating nut is locked on the second insulating screw, and the upper end surface of the second insulating nut abuts against the lower end surface of the upper plate nut insulating gasket.

[0009] The upper electrical isolation plate is further provided with a plurality of fence fixing through holes, and the platform guardrail comprises a guardrail upper frame, a guardrail locking screw, a guardrail insulating screw sleeve and a guardrail locking nut, the guardrail upper frame is provided with three side fences, a plurality of guardrail vertical rods are arranged on the guardrail upper frame, the guardrail vertical rods are provided with the guardrail locking screw below, the guardrail insulating screw sleeve is sleeved in the fence fixing through hole from bottom to top, the guardrail locking nut is locked on the guardrail locking screw, the upper end surface of the guardrail locking nut abuts against the guardrail insulating screw sleeve, and the platform guardrail is electrically isolated from the second upper isolation plate.

[0010] The scissor lifting mechanism comprises a scissor frame lower shaft seat, a lifting frame lower sliding rail, a scissor lifting frame, a lifting frame lower sliding block, a push rod connecting frame, a scissor frame upper shaft seat, a lifting frame upper sliding rail and a lifting frame upper sliding block, the scissor frame lower shaft seat and the lifting frame lower sliding rail are arranged on the upper end surface of the first lower isolation plate, the two ends of the lower part of the scissor lifting frame are respectively connected with the scissor frame lower shaft seat and the lifting frame lower sliding block, the lifting frame lower sliding block slides on the lifting frame lower sliding rail, the push rod connecting frame is arranged on one side of the lower end of the scissor lifting frame, the scissor frame upper shaft seat and the lifting frame upper sliding rail are arranged on the bottom end surface of the upper electrical isolation plate, the two ends of the upper part of the scissor lifting frame are respectively connected with the scissor frame upper shaft seat and the lifting frame upper sliding block, and the lifting frame upper sliding block slides on the lifting frame upper sliding rail.

[0011] One end of the hydraulic lifting push rod is provided with a push rod fixing shaft seat, the push rod fixing shaft seat is fixed on the upper end surface of the first lower isolation plate, the other end of the hydraulic lifting push rod is sleeved on the push rod connecting frame, and the scissor lifting frame is lifted through the hydraulic lifting push rod.

[0012] The present technical solution provides a safe and efficient outdoor construction device for high and low voltage distribution cabinets, which includes: walking tracks, walking auxiliary wheels, walking drive motors, lower electrical isolation plates, scissor-type lifting mechanisms, hydraulic lifting push rods, upper electrical isolation plates, platform guardrails, and control consoles; the walking tracks and walking auxiliary wheels are respectively arranged at the two ends of the lower end surface of the lower electrical isolation plate; the walking drive motor is arranged between the two walking tracks; the lower electrical isolation plate is connected to the upper electrical isolation plate through a scissor-type lifting mechanism; the hydraulic lifting push rods are fixed on the upper end surface of the lower electrical isolation plate; the platform guardrails are fixed on the upper electrical isolation plate; the control console is arranged on one side of the lower electrical isolation plate, and the control console is electrically connected to the walking drive motor and the hydraulic lifting push rods; the control console drives and controls the walking tracks to move and the upper electrical isolation plate to lift and lower; the present device can be electrically isolated from the ground secondary electricity, thereby improving the safety of construction personnel during the installation and maintenance of high and low voltage distribution cabinets. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an overall schematic diagram of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0014] Figure 2 This is a schematic diagram of the lifting state of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0015] Figure 3 This is a partial enlarged view of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the lower electrical isolation plate of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0017] Figure 5 This is a schematic diagram of the construction platform structure of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0018] Figure 6 This is a partial enlarged view of the construction platform structure of a safe and efficient outdoor construction device for high and low voltage distribution cabinets of the utility model;

[0019] In the figure: 1, walking track, 2, walking auxiliary wheel, 3, walking drive motor, 4, lower electrical isolation plate, 41, first lower isolation plate, 411, first lower isolation plate screw hole, 42, first insulation layer plate, 421, first insulation layer screw hole, 422, first insulation protrusion, 43, second lower isolation plate, 431, second lower isolation plate screw hole, 432, track shaft joint, 44, lower insulation screw sleeve, 45, lower plate nut insulation gasket, 46, first insulation screw, 51, scissor frame lower shaft seat, 52, lifting frame lower slide rail, 53, scissor lifting frame, 54, lifting frame lower sliding block, 55, push rod connecting frame, 56, scissor frame upper shaft seat, 57, lifting frame upper slide rail, 58, lifting frame upper sliding block, 6, hydraulic lifting push rod, 61, push rod fixed shaft seat, 7, upper electrical isolation plate, 71, first upper isolation plate, 711, first upper isolation plate screw hole, 712, fence fixed upper hole, 72, second insulation layer plate, 721, second insulation layer screw hole, 722, second insulation protrusion, 723, fence fixed middle hole, 73, second upper isolation plate, 731, second upper isolation plate screw hole, 732, fence fixed lower hole, 74, upper insulation screw sleeve, 75, upper plate nut insulation gasket, 76, second insulation screw, 8, platform fence, 81, fence upper frame, 82, fence locking screw, 83, fence insulation screw sleeve, 9, control console. DETAILED DESCRIPTION

[0020] The technical solutions will be further described in detail below with reference to the accompanying drawings of the technical solutions. The described embodiments are only a part of the technical solutions, and not all the embodiments. Based on the technical solutions, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0021] Referring to Figures 1 to 6 As shown in the figure, a safe and efficient high-low voltage power distribution cabinet outdoor construction device, it comprises: walking track 1, walking auxiliary wheel 2, walking drive motor 3, lower electrical isolation plate 4, scissor lifting mechanism, hydraulic lifting push rod 6, upper electrical isolation plate 7, platform fence 8, control console 9;

[0022] The walking track 1 is provided with two groups, and the two groups of walking tracks 1 are arranged on one side of the lower end surface of the lower electrical isolation plate 4; the walking auxiliary wheel 2 is provided with two, and the two walking auxiliary wheels 2 are arranged on the other side of the lower end surface of the lower electrical isolation plate 4; that is, the walking track 1 and the walking auxiliary wheel 2 are both provided with two, and the two walking tracks 1 and the two walking auxiliary wheels 2 are respectively arranged at both ends of the lower end surface of the lower electrical isolation plate 4.

[0023] The lower electrical isolation plate 4 comprises a first lower isolation plate 41, a first insulation layer plate 42, a second lower isolation plate 43, a lower insulation screw sleeve 44, a lower plate nut insulation gasket 45, a first insulation screw 46, and a first insulation nut;

[0024] The first lower isolation plate 41, the first insulation layer plate 42, and the second lower isolation plate 43 are sequentially stacked and fixedly connected through the lower insulation screw sleeve 44, the lower plate nut insulation gasket 45, the first insulation screw 46, and the first insulation nut;

[0025] The lower insulation screw sleeve 44, the lower plate nut insulation gasket 45, the first insulation screw 46, and the first insulation nut form a first insulation connecting assembly;

[0026] The first insulation layer plate 42 is made of hard insulating rubber, and a first insulation protruding edge 422 is arranged at the middle of the side edge of the first insulation layer plate 42; the inner sides of the first lower isolation plate 41 and the second lower isolation plate 43 are in the form of cover plate-shaped grooves; the first insulation layer plate 42 is sleeved between the first lower isolation plate 41 and the second lower isolation plate 43; the edges of the first lower isolation plate 41 and the second lower isolation plate 43 are separated by the first insulation protruding edge 422;

[0027] The first lower isolation plate 41 is provided with a first lower isolation plate screw through hole 411 at each corner; the first insulation layer plate 42 is provided with a first insulation layer screw through hole 421 at each corner; the second lower isolation plate 43 is provided with a second lower isolation plate screw through hole 431 at each corner; the first lower isolation plate screw through hole 411, the first insulation layer screw through hole 421, and the second lower isolation plate screw through hole 431 correspond to each other in position; the first lower isolation plate screw through hole 411, the first insulation layer screw through hole 421, and the second lower isolation plate screw through hole 431 have the same hole diameter;

[0028] The lower insulation screw sleeve 44 is provided with a plurality of lower insulation screw sleeves 44; each lower insulation screw sleeve 44 is sleeved in the first lower isolation plate screw through hole 411;

[0029] The lower plate nut insulation gasket 45 is a screw gasket made of hard plastic material, and is provided with a lower gasket screw through hole; the lower gasket screw through hole corresponds to the second lower isolation plate screw through hole 431; the first insulation screw 46 is sleeved in the lower insulation screw sleeve 44; the first insulation nut is locked on the first insulation screw 46; the upper end surface of the first insulation nut abuts against the lower end surface of the lower plate nut insulation gasket 45.

[0030] The second lower isolation plate 43 is provided with two track shaft connecting portions 432 on one side; the walking driving motor 3 is arranged between the two track shaft connecting portions 432;

[0031] Two walking tracks 1 are provided with track frames and main track walking wheels, the upper ends of the two track frames are respectively connected with the two track shafts 432, and the two main track walking wheels are drivenly connected with the walking driving motor 3 through universal shaft rods, that is, the walking driving motor 3 drives the walking tracks 1 to walk.

[0032] The scissor lifting mechanism comprises a scissor frame lower shaft seat 51, a lifting frame lower sliding rail 52, a scissor lifting frame 53, a lifting frame lower sliding block 54, a push rod connecting frame 55, a scissor frame upper shaft seat 56, a lifting frame upper sliding rail 57 and a lifting frame upper sliding block 58.

[0033] The scissor frame lower shaft seat 51, the lifting frame lower sliding rail 52 and the lifting frame lower sliding block 54 are both provided with two, the two scissor frame lower shaft seats 51 are arranged on one side of the upper end surface of the first lower isolation plate 41, and the two lifting frame lower sliding rails 52 are arranged on the other side of the upper end surface of the first lower isolation plate 41.

[0034] One side of the lower end of the scissor lifting frame 53 is connected with the scissor frame lower shaft seat 51, the other side of the lower end of the scissor lifting frame 53 is connected with the lifting frame lower sliding block 54, the lifting frame lower sliding block 54 is sleeved on the lifting frame lower sliding rail 52, the lifting frame lower sliding block 54 slides on the lifting frame lower sliding rail 52, and the push rod connecting frame 55 is arranged on one side below the scissor lifting frame 53.

[0035] The scissor frame upper shaft seat 56, the lifting frame upper sliding rail 57 and the lifting frame upper sliding block 58 are both provided with two, the two scissor frame upper shaft seats 56 are arranged on one side of the bottom end surface of the upper electrical isolation plate 7, the two lifting frame upper sliding rails 57 are arranged on the other side of the bottom end surface of the upper electrical isolation plate 7, the lifting frame upper sliding block 58 is sleeved on the lifting frame upper sliding rail 57, one side of the upper end of the scissor lifting frame 53 is connected with the scissor frame upper shaft seat 56, and the other side of the upper end of the scissor lifting frame 53 is connected with the lifting frame upper sliding block 58.

[0036] One end of the hydraulic lifting push rod 6 is provided with a push rod fixing shaft seat 61, the push rod fixing shaft seat 61 is fixed on the upper end surface of the first lower isolation plate 41, the other end of the hydraulic lifting push rod 6 is sleeved on the push rod connecting frame 55, and the scissor lifting frame 53 is lifted through the hydraulic lifting push rod 6.

[0037] The upper electrical isolation plate 7 comprises a first upper isolation plate 71, a second insulation layer plate 72, a second upper isolation plate 73, an upper insulation screw sleeve 74, an upper plate nut insulation gasket 75, a second insulation screw 76 and a second insulation nut.

[0038] The first upper isolation plate 71, the second insulation layer plate 72 and the second upper isolation plate 73 are sequentially stacked and fixedly connected through the upper insulation screw sleeve 74, the upper plate nut insulation gasket 75, the second insulation screw 76 and the second insulation nut.

[0039] The two shearing type frame upper shaft seats 56 are arranged on one side of the bottom end face of the second upper isolation plate 73, and two lifting frame upper slide rails 57 are arranged on the other side of the bottom end face of the second upper isolation plate 73.

[0040] The second insulation layer plate 72 is made of hard insulation rubber, and a second insulation protruding edge 722 is arranged at the middle of the side edge of the second insulation layer plate 72; the inner sides of the first upper isolation plate 71 and the second upper isolation plate 73 are in the form of cover plate-shaped sinking grooves; the second insulation layer plate 72 is sleeved between the first upper isolation plate 71 and the second upper isolation plate 73; the edges of the first upper isolation plate 71 and the second upper isolation plate 73 are separated by the second insulation protruding edge 722.

[0041] The first upper isolation plate 71 is provided with first upper isolation plate screw through holes 711 at four corners thereof, and the first upper isolation plate 71 is provided with fence fixing upper through holes 712 on three edges thereof.

[0042] The second insulation layer plate 72 is provided with second insulation layer screw through holes 721 at four corners thereof, and the second insulation layer plate 72 is provided with fence fixing middle through holes 723 on three edges thereof.

[0043] The second upper isolation plate 73 is provided with second upper isolation plate screw through holes 731 at four corners thereof, and the second upper isolation plate 73 is provided with fence fixing lower through holes 732 on three edges thereof.

[0044] The first upper isolation plate screw through holes 711, the second insulation layer screw through holes 721 and the second upper isolation plate screw through holes 731 correspond to each other in position, and have the same hole diameter.

[0045] The fence fixing upper through holes 712, the fence fixing middle through holes 723 and the fence fixing lower through holes 732 correspond to each other in position, and have the same hole diameter.

[0046] The upper insulation screw sleeve 74 and the lower insulation screw sleeve 44 have the same structure, and the upper plate nut insulation gasket 75 and the lower plate nut insulation gasket 45 have the same structure.

[0047] The upper insulation screw sleeve 74 is provided with a plurality of upper insulation screw sleeves 74, and each of the upper insulation screw sleeves 74 is sleeved in the first upper isolation plate screw through hole 711.

[0048] The upper plate nut insulation gasket 75 is provided with an upper gasket screw through hole corresponding to the second upper isolation plate screw through hole 731; the second insulation screw 76 is sleeved in the upper insulation screw sleeve 74; the second insulation screw nut is locked on the second insulation screw 76; and the upper end face of the second insulation screw nut abuts against the lower end face of the upper plate nut insulation gasket 75.

[0049] The platform guardrail 8 comprises a guardrail upper frame 81, a guardrail locking screw 82, a guardrail insulation screw sleeve 83, and a guardrail locking nut. The guardrail upper frame 81 is provided with three side rails. A plurality of guardrail vertical rods are arranged on the guardrail upper frame 81. The guardrail vertical rods are provided with the guardrail locking screw 82 below. The guardrail insulation screw sleeve 83 is sleeved in the fence fixing lower through hole 732 from bottom to top. The guardrail locking nut is locked on the guardrail locking screw 82. The upper end surface of the guardrail locking nut is abutted on the guardrail insulation screw sleeve 83. The platform guardrail 8 is electrically isolated from the second upper isolation plate 73.

[0050] The first lower isolation plate 41, the second lower isolation plate 43, the first upper isolation plate 71, and the second upper isolation plate 73 can also not be selected to have a groove on the inner side of the member, and a flat plate-shaped member is selected. The first lower isolation plate 41, the second lower isolation plate 43, the first upper isolation plate 71, and the second upper isolation plate 73 are all selected to be metal members. The main contact surface thickness of the first lower isolation plate 41, the second lower isolation plate 43, the first upper isolation plate 71, and the second upper isolation plate 73 is greater than that of the side wall.

[0051] The upper insulation screw sleeve 74, the upper plate screw nut insulation gasket 75, the second insulation screw 76, and the second insulation screw nut constitute a second insulation connecting assembly.

[0052] The control console 9 is arranged on one side of the lower electrical isolation plate 4. The control console 9 controls the walking of the walking track 1 and the lifting of the scissor lifting mechanism.

Claims

1. A safe, efficient, high and low voltage power distribution cabinet outdoor construction device, comprising: Walking track (1), walking sub-wheel (2), walking drive motor (3), lower electrical isolation plate (4), scissor lifting mechanism, hydraulic lifting push rod (6), upper electrical isolation plate (7), platform guardrail (8), control console (9), characterized by: the walking track (1) and the walking sub-wheel (2) are both provided with two, two walking tracks (1) and two walking sub-wheels (2) are respectively arranged at both ends of the lower end surface of the lower electrical isolation plate (4); the walking drive motor (3) is arranged between the two walking tracks (1); the lower electrical isolation plate (4) is connected with the upper electrical isolation plate (7) through the scissor lifting mechanism; the hydraulic lifting push rod (6) is fixed on the upper end surface of the lower electrical isolation plate (4); the platform guardrail (8) is fixed on the upper electrical isolation plate (7); the control console (9) is arranged on one side of the lower electrical isolation plate (4), and the control console (9) is electrically connected with the walking drive motor (3) and the hydraulic lifting push rod (6); the control console (9) drives the walking track (1) to walk and drives the upper electrical isolation plate (7) to lift.

2. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 1, characterized in that: The lower electrical isolation plate (4) comprises: a first lower isolation plate (41), a first insulation layer plate (42), and a second lower isolation plate (43); the first insulation layer plate (42) is made of hard insulating rubber, and is arranged between the first lower isolation plate (41) and the second lower isolation plate (43); the first lower isolation plate (41) and the second lower isolation plate (43) are electrically isolated through the first insulation layer plate (42); the four corners of the first lower isolation plate (41), the first insulation layer plate (42) and the second lower isolation plate (43) are provided with screw through holes with the same hole diameter and coaxial correspondence; the screw through holes are threadedly locked and connected through the first insulation connecting assembly; 3. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 2, characterized in that: The first insulation connecting assembly comprises a lower insulating screw sleeve (44), a lower plate nut insulating gasket (45), a first insulating screw (46), and a first insulating nut; the first insulating screw (46) is sleeved in the screw through hole through the lower insulating screw sleeve (44); the lower plate nut insulating gasket (45) abuts against the lower end surface of the screw through hole; the first insulating nut is locked on the first insulating screw (46); the upper end surface of the first insulating nut abuts against the lower end surface of the lower plate nut insulating gasket (45).

4. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 1, characterized in that: The upper electrical isolation plate (7) comprises: a first upper isolation plate (71), a second insulation layer plate (72), and a second upper isolation plate (73); the second insulation layer plate (72) is made of hard insulating rubber, and is arranged between the first upper isolation plate (71) and the second upper isolation plate (73); the first upper isolation plate (71) and the second upper isolation plate (73) are electrically isolated through the second insulation layer plate (72); the four corners of the first upper isolation plate (71), the second insulation layer plate (72) and the second upper isolation plate (73) are provided with screw through holes with the same hole diameter and coaxial correspondence; the screw through holes are threadedly locked and connected through the second insulation connecting assembly.

5. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 4, characterized in that: The second insulating connection assembly comprises: an upper insulating screw sleeve (74), an upper plate nut insulating gasket (75), a second insulating screw (76), and a second insulating nut. The second insulating screw (76) is sleeved in the screw through hole through the upper insulating screw sleeve (74); the upper plate nut insulating gasket (75) abuts against the lower end surface of the screw through hole; the second insulating nut is locked on the second insulating screw (76); and the upper end surface of the second insulating nut abuts against the lower end surface of the upper plate nut insulating gasket (75).

6. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 5, characterized in that: The upper electrical isolation plate (7) is also provided with a plurality of fence fixing through holes; the platform guardrail (8) comprises: a guardrail upper frame (81), a guardrail locking screw (82), a guardrail insulating screw sleeve (83), and a guardrail locking nut; the guardrail upper frame (81) is provided with three side rails, a plurality of guardrail uprights are provided on the guardrail upper frame (81), and a guardrail locking screw (82) is provided below the guardrail uprights; the guardrail insulating screw sleeve (83) is sleeved from bottom to top in the fence fixing through hole; the guardrail locking nut is locked on the guardrail locking screw (82); the upper end surface of the guardrail locking nut is against the guardrail insulating screw sleeve (83); the platform guardrail (8) is electrically isolated from the second upper isolation plate (73).

7. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 3 or 6, characterized in that: The scissor-type lifting mechanism comprises: a scissor-type frame lower shaft seat (51), a lower rail (52) on the lifting frame, a scissor-type lifting frame (53), a lower slider (54) on the lifting frame, a push rod connecting frame (55), a scissor-type frame upper shaft seat (56), a lifting frame upper slide rail (57), and a lifting frame upper slider (58); the scissor-type frame lower shaft seat (51) and the lifting frame lower slide rail (52) are arranged on the upper end surface of the first lower isolation plate (41); the lower ends of the scissor-type lifting frame (53) are respectively connected to the scissor-type frame lower shaft seat (51) and the lifting frame The lower slider (54) of the lifting frame is axially connected; the lower slider (54) of the lifting frame slides on the lower rail (52) of the lifting frame; the push rod connecting frame (55) is arranged on one side of the lower end of the scissor-type lifting frame (53); the upper shaft seat (56) of the scissor-type lifting frame and the upper slide rail (57) of the lifting frame are arranged on the bottom end surface of the upper electrical isolation plate (7); the upper ends of the scissor-type lifting frame (53) are respectively axially connected to the upper shaft seat (56) of the scissor-type lifting frame and the upper slider (58) of the lifting frame; the upper slider (58) of the lifting frame slides on the upper slide rail (57) of the lifting frame.

8. The safe and efficient high-low voltage power distribution cabinet outdoor construction device according to claim 7, characterized in that: One end of the hydraulic lifting push rod (6) is provided with a push rod fixed shaft seat (61), and the push rod fixed shaft seat (61) is fixed to the upper end surface of the first lower isolation plate (41); the other end of the hydraulic lifting push rod (6) is sleeved on the push rod connecting frame (55); the scissor lift frame (53) is raised and lowered by the hydraulic lifting push rod (6).

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