CN114629019A - High-voltage power distribution cabinet based on line protection - Google Patents

Abstract

The invention relates to the technical field of high-voltage power distribution cabinets, and discloses a high-voltage power distribution cabinet based on line protection, which solves the problem that rainwater can easily enter the power distribution cabinet through the gap between the cabinet door and the power distribution cabinet shell, and thus easily There is a certain risk of causing a short circuit, which includes a high-voltage power distribution cabinet base and a high-voltage power distribution cabinet body. The electrical cabinet seat is connected by a first connection block, the top of the high-voltage power distribution cabinet seat is provided with a first arc-shaped protection plate and a second arc-shaped protection plate, the top of the high-voltage power distribution cabinet body is fixedly connected with a top plate, and the bottom of the top plate is provided with a The chute, the tops of the first arc protection plate and the second arc protection plate are located in the chute; it can protect the body of the high-voltage power distribution cabinet and prevent rainwater from entering through the gap between the cabinet door and the distribution cabinet shell To the high-voltage power distribution cabinet body, to protect the lines in the high-voltage power distribution cabinet body.

Description

A high-voltage distribution cabinet based on line protection

technical field

The invention belongs to the technical field of high-voltage power distribution cabinets, in particular to a high-voltage power distribution cabinet based on line protection.

Background technique

High-voltage power distribution cabinets refer to electrical products used for on-off, control or protection in power generation, transmission, distribution, power conversion and consumption of power systems, with voltage levels ranging from 3.6kV to 550kV, mainly including high-voltage circuit breakers, high-voltage Isolation switch and grounding switch, high-voltage load switch, high-voltage automatic reclosing and sectionalizer, in actual use, some high-voltage power distribution cabinets are installed outdoors.

When the outdoor power distribution cabinet encounters heavy rain or heavy rain, the rainwater directly falls on the power distribution cabinet. certain risk.

SUMMARY OF THE INVENTION

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a high-voltage power distribution cabinet based on line protection, which effectively solves the problem that when the power distribution cabinet located outdoors in the above-mentioned background technology encounters heavy rain or heavy rain, the rain directly On the power distribution cabinet, rainwater easily enters the power distribution cabinet through the gap between the cabinet door and the power distribution cabinet shell, which may easily cause a short circuit, and there is a certain dangerous problem.

In order to achieve the above purpose, the present invention provides the following technical solutions: a high-voltage power distribution cabinet based on line protection, comprising a high-voltage power distribution cabinet base and a high-voltage power distribution cabinet body, and the high-voltage power distribution cabinet body is arranged in the high-voltage power distribution cabinet base. Above, the high-voltage power distribution cabinet body and the high-voltage power distribution cabinet base are connected through a first connection block, the top of the high-voltage power distribution cabinet base is provided with a first arc-shaped protection plate and a second arc-shaped protection plate, and the high-voltage power distribution cabinet body is The top is fixedly connected with a top plate, the bottom of the top plate is provided with a chute, the tops of the first arc-shaped protection plate and the second arc-shaped protection plate are located in the chute, a first rotating shaft is arranged above the high-voltage power distribution cabinet, and the first The bottom end of the rotating shaft and the high-voltage power distribution cabinet are connected through a first bearing, the first rotating shaft and the first arc-shaped protection plate are connected through a first connecting plate, and a second rotating shaft is arranged above the first rotating shaft. The arc-shaped protection plate is connected by a second connecting plate, the top of the second rotating shaft and the body of the high-voltage power distribution cabinet are connected by a second bearing, and the high-voltage power distribution cabinet seat is provided with a counter-rotation matching with the first rotating shaft and the second rotating shaft drive components.

Preferably, a rainwater collection lift box body is arranged above the top plate, the rainwater collection lift box body is a cavity structure with an open top, the rainwater collection lift box body and the top plate are connected by elastic displacement components, and the bottom of the rainwater collection lift box body is fixed A fixed block is connected, a groove is opened at the bottom of the fixed block, a support block is fixedly connected to the top of the top plate, the top of the support block is located in the groove, and a switch is fixedly connected to the top of the support block. Drain pipe, one side of the drain pipe is provided with a shielding plate, the shielding plate is in contact with the drainage pipe, and one side of the shielding plate is provided with a drainage hole, and the shielding plate and the top plate are connected by a drainage adjustment mechanism. It enters the rainwater collection lift box body. Through the design of elastic displacement components, the rainwater collection lift box body is elastically connected to the top plate. Due to the increase of rainwater in the rainwater collection lift box body, the rainwater collection lift box body moves down, and then the fixed block is lowered relative to the top plate. move, so that the top inner wall of the groove presses the switch, and the switch controls the counter-rotating drive assembly, so that the first arc-shaped protection plate and the second arc-shaped protection plate move close to each other, and finally the first arc-shaped protection plate and the second arc-shaped protection plate are moved. At the same time, the drainage pipe moves down relative to the shielding plate, and the drainage pipe and the drainage hole are overlapped together. When the rainwater is poured into the body of the rainwater collection lift box, the rainwater passes through the drainage. When the outdoor stops raining or the rain becomes light rain, the speed of rainwater dipping into the rainwater collection lift box body is less than the speed of the rainwater discharged by the drain pipe, which in turn causes the weight of the rainwater collection lift box body to decrease. The elastic displacement component drives the rainwater collection lift box body to move up, thereby making the fixed block move up, and the top inner wall of the groove no longer presses the switch, and then controls the opposite-direction rotation drive component through the switch, so that the first arc protection plate and the second arc The arc-shaped protection plate moves away from each other, and finally the first arc-shaped protection plate and the second arc-shaped protection plate are separated, and the cabinet door on the high-voltage power distribution cabinet body can be opened.

Preferably, the counter-rotating drive assembly includes a first bevel gear disposed above the high-voltage power distribution cabinet, a third rotating shaft is fixedly connected to one side of the first bevel gear, and a third rotating shaft is sleeved on the outside of the first rotating shaft. Two bevel gears, the second bevel gear is fixedly connected with the first rotating shaft, a third bevel gear is sleeved on the outside of the second rotating shaft, the third bevel gear is fixedly connected with the second rotating shaft, and a A first fixing plate is fixedly connected to the side, a supporting plate is fixedly connected to the top of the first fixing plate, and a driving mechanism matched with the third rotating shaft is arranged on the supporting plate.

Preferably, the drive mechanism includes a gear ring sleeved on the outside of the third rotating shaft, the gear ring is fixedly connected with the third rotating shaft, one end of the third rotating shaft and the support plate are connected through a third bearing, and one side of the gear ring is provided with teeth The top of the support plate is fixedly connected with a connecting seat, the connecting seat and the rack are connected by a hydraulic telescopic rod, the rack and the gear ring are engaged, and the second bevel gear and the third bevel gear are both connected with the first bevel gear. Meshing, when the hydraulic telescopic rod drives the rack to move downward, the rack drives the gear ring to rotate through the cooperation of the rack and the gear ring, and then drives the third shaft and the first bevel gear to rotate through the gear ring. The design of the bevel gear, the second bevel gear and the third bevel gear drives the second bevel gear and the third bevel gear to rotate in opposite directions through the first bevel gear, so that the first shaft and the second shaft are different. Rotate in the opposite direction, so that the first connecting plate and the second connecting plate respectively drive the first arc-shaped protection plate and the second arc-shaped protection plate to rotate in opposite directions, so that the first arc-shaped protection plate and the second arc-shaped protection plate are away from each other. Move, and then expose the cabinet door on the high-voltage distribution cabinet body, so as to avoid the first arc-shaped protection plate and the second arc-shaped protection plate from hindering the opening of the cabinet door on the high-voltage distribution cabinet body. When the bar moves upward, the gear ring and the third rotating shaft can rotate in the opposite direction, and then the second bevel gear and the third bevel gear are driven to rotate in the opposite direction through the first bevel gear, so that the first rotating shaft and the second rotating shaft are driven to rotate in opposite directions. The first connecting plate and the second connecting plate are rotated in opposite directions, so that the first arc-shaped protection plate and the second arc-shaped protection plate are moved close to each other, so that the first arc-shaped protection plate and the second arc-shaped protection plate are closed together , Protect the high-voltage power distribution cabinet body, prevent rainwater from entering the high-voltage power distribution cabinet body through the gap between the cabinet door and the power distribution cabinet shell, and protect the lines in the high-voltage power distribution cabinet body.

Preferably, the bottoms of the first arc-shaped protection plate and the second arc-shaped protection plate are fixedly connected with a plurality of second connection blocks, the bottom of the second connection block is provided with a roller, and the bottom of the roller is connected to the high-voltage power distribution cabinet seat The top of the arc protection board is in contact with each other, a slot is opened on the second arc-shaped protection board, a plug-in board is fixedly connected to the first arc-shaped protection board, and the plug-in board and the slot are matched, and a base is provided under the high-voltage power distribution cabinet. , the base and the high-voltage power distribution cabinet are connected by a number of supporting legs. Through the design of the second connecting block and the roller, it is convenient to drive the first arc-shaped protection plate and the second arc-shaped protection plate to move. The high-voltage power distribution cabinet is supported. Through the design of the slot and the plug-in board, when the first arc-shaped protection plate and the second arc-shaped protection plate are closed, the plug-in board is inserted into the slot, and through the cooperation of the slot and the plug-in board, The tightness of the connection between the first arc-shaped protection plate and the second arc-shaped protection plate is increased.

Preferably, the chute is provided with several first limit wheels, one side of the first limit wheel is provided with a second limit wheel, the bottom of the top plate is provided with a first mounting plate and a second mounting plate, the first The limit wheel is rotatably connected with the first mounting plate, the second limit wheel is rotatably connected with the second mounting plate, the first mounting plate and the second mounting plate are connected with the top plate by bolts, and the The design of the bit wheel limits the position of the two sides of the first arc-shaped protection plate and the two sides of the second arc-shaped protection plate, so that the tops of the first arc-shaped protection plate and the second arc-shaped protection plate are stable in the chute Through the design of the bolts, the first mounting plate and the second mounting plate are detachably installed relative to the top plate, which facilitates the disassembly and assembly of the first limit wheel and the second limit wheel.

Preferably, the drainage adjustment mechanism includes a second fixing plate symmetrically arranged on both sides of the shielding plate, the second fixing plate and the shielding plate are fixedly connected, the two sides of the shielding plate are respectively provided with a positioning column and a first lead screw, and the positioning column Pass through one of the second fixing plates, the first lead screw runs through the other second fixing plate, and the first lead screw and the second fixed plate are connected in a threaded connection, and the bottom end of the first lead screw and the top plate pass through the fourth bearing Connection, the bottom end of the positioning column and the top plate are fixedly connected.

Preferably, the top of the first lead screw is fixedly connected with a fixed plate, one side of the first lead screw is provided with a fixed tube, the bottom of the fixed tube is fixedly connected with the top of the top plate, and the top of the fixed plate is provided with a number of limit holes , There is a limit rod in the fixed tube, the bottom end of the limit rod and the top plate are connected by a first compression spring, the top of the limit rod extends into one of the corresponding limit holes, the limit rod is provided with a first handle, the fixed plate There is a second handle on it. By driving the limit rod to move down, so that the top of the limit rod is separated from the corresponding limit hole, the limit on the position of the fixed plate can be released. The first compression spring is in a compressed state and is fixed by manual driving. The plate rotates, the first screw is driven to rotate by the fixed plate, and then the second fixed plate and the shielding plate are driven to move vertically by the first lead screw, so that the heights of the shielding plate and the drainage hole can be changed, and then the downward movement distance of the drainage pipe can be controlled to be When the drain pipe and the drain hole overlap each other, when it is not necessary to rotate the fixed plate, loosen the limit rod, and then the first compression spring drives the limit rod to move upward, so that the top of the limit rod is inserted into the corresponding limit hole , the fixed plate can be fixed relative to the top plate to avoid rotation of the fixed plate due to non-human factors, the design of the first handle facilitates the movement of the limit rod, and the design of the second handle facilitates the rotation of the fixed plate.

Preferably, the elastic displacement assembly includes a third fixing plate arranged at the bottom of the rainwater collection lifting box body, the top of the third fixing plate is fixedly connected with the bottom of the rainwater collecting lifting box body, and the outside of the third fixing plate is sleeved with a movable Ring, the bottom end of the third fixed plate penetrates the top plate, the bottom of the top plate is provided with a limit plate, and the bottom of the third fixed plate is fixedly connected with the top of the limit plate, the top of the movable ring and the bottom of the rainwater collection lift box body pass through the first Two compression spring connections.

Preferably, a lifting plate is arranged under the top plate, two third connecting plates are fixedly connected to the bottom of the movable ring, the third connecting plates penetrate through the top plate, and the bottom of the third connecting plate is fixedly connected to the top of the lifting plate, and the top plate There is a second lead screw at the bottom, the second lead screw runs through the lift plate, the connection between the second lead screw and the lift plate is threaded connection, the top of the second lead screw and the bottom of the top plate are connected by a fifth bearing, and the There is a turntable below, and the bottom end of the second lead screw is fixedly connected to the top of the turntable. Through the design of the rainwater collection lifting box body, the movable ring and the second compression spring, the rainwater collection lifting box body is elastically connected to the movable ring, and the rainwater collection lifting box body is elastically connected to the movable ring. The design of the three fixed plates makes the rainwater collection lift box body move stably in the vertical direction relative to the top plate. The second lead screw is rotated by manually driving the turntable, and then the second lead screw drives the lift plate to move in the vertical direction, and then through the The lifting plate drives the third connecting plate to move, changing the height of the movable ring, thereby adjusting the distance between the movable ring and the rainwater collection lifting box body, and adjusting the length of the second compression spring, so that the rainwater collection lifting box body can be adjusted when it is lowered. resistance.

Compared with the prior art, the beneficial effects of the present invention are:

(1) When the outdoor rainstorm or heavy rain, the rainwater is poured into the rainwater collection lift box body. Through the design of the elastic displacement component, the rainwater collection lift box body is elastically connected to the top plate. Due to the increase of rainwater in the rainwater collection lift box body, the rainwater The body of the collection lift box moves down, and then the fixed block moves down relative to the top plate, so that the top inner wall of the groove presses the switch, and the switch controls the hydraulic telescopic rod to drive the rack to move upward, so that the first arc-shaped protection plate and the second arc-shaped protection plate are Move close to each other, and finally make the first arc-shaped protection plate and the second arc-shaped protection plate close together to protect the body of the high-voltage power distribution cabinet. , When rainwater is poured into the body of the rainwater collection lift box, the rainwater is discharged through the drain pipe and the drain hole. When the outdoor stops raining or the rainwater becomes light rain, the speed of the rainwater pouring into the body of the rainwater collection lift box is less than that of the rainwater discharged by the drain pipe. The speed of the rainwater collection lift box body is reduced, and the rainwater collection lift box body is driven by the elastic displacement component to move up, so that the fixed block moves up, the top inner wall of the groove no longer presses the switch, and the hydraulic pressure is controlled by the switch. The telescopic rod drives the rack to move downward, so that the rack is reset to the initial position, so that the first arc-shaped protection plate and the second arc-shaped protection plate move away from each other, and finally the first arc-shaped protection plate and the second arc-shaped protection plate are moved. Separated, the cabinet door on the high-voltage power distribution cabinet body can be opened, and the vertical movement of the rack can be controlled by the hydraulic telescopic rod according to the external weather conditions.

(2) When the hydraulic telescopic rod drives the rack to move downward, the rack drives the gear ring to rotate through the cooperation of the rack and the gear ring, and then drives the third shaft and the first bevel gear to rotate through the gear ring. The first bevel gear, the second bevel gear and the third bevel gear are designed to drive the second bevel gear and the third bevel gear to rotate in opposite directions through the first bevel gear, thereby making the first shaft and the second bevel gear rotate in opposite directions. The rotating shaft rotates in opposite directions, so that the first connecting plate and the second connecting plate respectively drive the first arc protection plate and the second arc protection plate to rotate in opposite directions, so that the first arc protection plate and the second arc protection plate move away from each other, so that the cabinet door on the high-voltage power distribution cabinet body is exposed, so as to prevent the first arc-shaped protection plate and the second arc-shaped protection plate from hindering the opening of the cabinet door on the high-voltage power distribution cabinet body. By driving the rack to move upward, the gear ring and the third rotating shaft can be rotated in the opposite direction, and then the second bevel gear and the third bevel gear are driven to rotate in the opposite direction through the first bevel gear, so that the first rotating shaft and the second bevel gear are rotated in opposite directions. The rotating shaft drives the first connecting plate and the second connecting plate to rotate in opposite directions, so that the first arc-shaped protection plate and the second arc-shaped protection plate are moved close to each other, so that the first arc-shaped protection plate and the second arc-shaped protection plate are closed Together, protect the high-voltage power distribution cabinet body to prevent rainwater from entering the high-voltage power distribution cabinet body through the gap between the cabinet door and the power distribution cabinet shell, and protect the lines in the high-voltage power distribution cabinet body;

(3) Through the design of the second connecting block and the roller, it is convenient to drive the first arc-shaped protection plate and the second arc-shaped protection plate to move. The design of the slot and the plug-in board, when the first arc-shaped protection board and the second arc-shaped protection board are closed, the plug-in board is inserted into the slot. The tightness of the joint of the two arc-shaped protection plates is limited by the design of the first limit wheel and the second limit wheel to limit the positions on both sides of the first arc-shaped protection plate and the two sides of the second arc-shaped protection plate. The tops of the first arc protection plate and the second arc protection plate are moved smoothly in the chute. A limit wheel and a second limit wheel are disassembled;

(4) By driving the limit rod to move down, so that the top of the limit rod is separated from the corresponding limit hole, the limit on the position of the fixed plate can be released, the first compression spring is in a compressed state, and the fixed plate is manually driven to rotate, The first lead screw is driven to rotate by the fixed plate, and then the second fixed plate and the shielding plate are driven to move vertically by the first lead screw, so that the heights of the shielding plate and the drainage hole can be changed, and then the distance of the drainage pipe to move downward can be controlled. The drain pipe and the drain hole are overlapped together. When the fixed plate does not need to be rotated, loosen the limit rod, and then the first compression spring drives the limit rod to move upward, so that the top of the limit rod is inserted into the corresponding limit hole, then The fixed plate is fixed relative to the top plate to avoid rotation of the fixed plate due to non-human factors, the design of the first handle facilitates the movement of the limit rod, and the design of the second handle facilitates the rotation of the fixed plate;

(5) Through the design of the rainwater collection lift box body, the movable ring and the second compression spring, the rainwater collection lift box body is elastically connected to the movable ring, and through the design of the third fixed plate, the rainwater collection lift box body is vertical relative to the top plate It moves smoothly in the straight direction. By manually driving the turntable to rotate, the second lead screw rotates, and then the second lead screw drives the lifting plate to move vertically, and then drives the third connecting plate to move through the lifting plate to change the height of the movable ring. Therefore, the distance between the movable ring and the rainwater collection lift box body can be adjusted, the length of the second compression spring can be adjusted, and the resistance received by the rainwater collection lift box body when it is lowered can be adjusted.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Fig. 1 is one of the schematic diagrams of the overall structure of the present invention;

2 is the second schematic diagram of the overall structure of the present invention;

Fig. 3 is the partial enlarged structure schematic diagram of A place in Fig. 1;

Fig. 4 is a partial enlarged structural schematic diagram at B in Fig. 2;

5 is a schematic structural diagram of the separation of the first arc-shaped protection plate and the second arc-shaped protection plate of the present invention;

Fig. 6 is the partial enlarged structure schematic diagram of C place in Fig. 5;

Fig. 7 is the structural representation of the shielding plate of the present invention;

Fig. 8 is the structural representation of the top plate of the present invention;

9 is a schematic structural diagram of the counter-rotating drive assembly of the present invention;

FIG. 10 is a schematic structural diagram of the cut-away structure of the fixing block of the present invention.

In the figure: 1. High-voltage power distribution cabinet base; 2. High-voltage power distribution cabinet body; 3. The first connection block; 4. The first arc-shaped protection plate; 5. The second arc-shaped protection plate; 6. The first shaft; 7. First bearing; 8. First connecting plate; 9. Second rotating shaft; 10. Second bearing; 11. Second connecting plate; 12. Top plate; 13. Chute; 14. Rainwater collection lift box body; 15 , drain pipe; 16, shielding plate; 17, drain hole; 18, the third shaft; 19, the first bevel gear; 20, the second bevel gear; 21, the third bevel gear; 22, the first fixing plate ; 23, support plate; 24, the third bearing; 25, rack; 26, connection seat; 27, hydraulic telescopic rod; 28, fixed block; 29, groove; 30, support block; 31, switch; 32, the first Two connecting blocks; 33, rollers; 34, slot; 35, plug-in board; 36, base; 37, support legs; 38, first limit wheel; 39, second limit wheel; 40, first installation plate; 41, the second mounting plate; 42, the bolt; 43, the second fixing plate; 44, the positioning column; 45, the first screw; 46, the fourth bearing; 47, the fixing plate; 48, the limit hole; 49, the fixing tube; 50, limit rod; 51, first compression spring; 52, first handle; 53, second handle; 54, movable ring; 55, third fixed plate; 56, second compression spring; 57, limit plate 58, lift plate; 59, third connecting plate; 60, second screw; 61, fifth bearing; 62, turntable; 63, gear ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

Embodiment 1, as shown in FIG. 1 to FIG. 10 , the present invention includes a high-voltage power distribution cabinet base 1 and a high-voltage power distribution cabinet body 2. The high-voltage power distribution cabinet body 2 is arranged above the high-voltage power distribution cabinet base 1, and the high-voltage power distribution cabinet The cabinet body 2 and the high-voltage power distribution cabinet base 1 are connected through a first connection block 3. The top of the high-voltage power distribution cabinet base 1 is provided with a first arc-shaped protection plate 4 and a second arc-shaped protection plate 5. The high-voltage power distribution cabinet body 2 A top plate 12 is fixedly connected to the top of the top plate 12 , and a chute 13 is opened at the bottom of the top plate 12 . There is a first rotating shaft 6, the bottom end of the first rotating shaft 6 and the high-voltage power distribution cabinet 1 are connected by a first bearing 7, the first rotating shaft 6 and the first arc protection plate 4 are connected by a first connecting plate 8, the first The top of the rotating shaft 6 is provided with a second rotating shaft 9 , the second rotating shaft 9 and the second arc-shaped protection plate 5 are connected by a second connecting plate 11 , and the top of the second rotating shaft 9 and the high-voltage power distribution cabinet body 2 are connected by a second bearing 10 , the high-voltage power distribution cabinet base 1 is provided with a counter-rotating drive assembly matched with the first rotating shaft 6 and the second rotating shaft 9 .

Embodiment 2, on the basis of Embodiment 1, as shown in Figures 1, 3 and 7, a rainwater collection lifting box body 14 is provided above the top plate 12, and the rainwater collection lifting box body 14 is a cavity structure with an open top. , the rainwater collection lift box body 14 and the top plate 12 are connected by elastic displacement components, the bottom of the rainwater collection lift box body 14 is fixedly connected with a fixed block 28, the bottom of the fixed block 28 is provided with a groove 29, and the top of the top plate 12 is fixedly connected with a support Block 30, the top of the support block 30 is located in the groove 29, and the top of the support block 30 is fixedly connected with a switch 31, the rainwater collection lift box body 14 is provided with a drain pipe 15, and one side of the drain pipe 15 is provided with a shielding plate 16 , the shielding plate 16 is in contact with the drain pipe 15, the side of the shielding plate 16 is provided with a drainage hole 17, and the shielding plate 16 and the top plate 12 are connected by a drainage adjustment mechanism;

When there is a heavy rain or heavy rain outside, the rainwater is poured into the rainwater collection lift box body 14. Through the design of the elastic displacement component, the rainwater collection lift box body 14 is elastically connected to the top plate 12. Due to the increase of rainwater in the rainwater collection lift box body 14, the The collection lift box body 14 moves down, and then the fixed block 28 moves down relative to the top plate 12, so that the top inner wall of the groove 29 presses the switch 31, and the switch 31 controls the counter-rotating drive assembly, so that the first arc protection plate 4 and the second arc protection plate 4 and the second The arc-shaped protection plates 5 are moved close together, and finally the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are closely attached together to protect the high-voltage power distribution cabinet body 2. Move, the drainage pipe 15 and the drainage hole 17 are overlapped together, and the rainwater is poured into the rainwater collection lift box body 14, and the rainwater is discharged through the drainage pipe 15 and the drainage hole 17. When the outdoor stops raining or the rainwater becomes light rain, the rainwater The speed of dipping into the rainwater collection lift box body 14 is less than the speed at which the rainwater is discharged from the drain pipe 15, thereby reducing the weight of the rainwater collection lift box body 14, and the rainwater collection lift box body 14 is driven by the elastic displacement component to move up, thereby making the fixed The block 28 moves up, the top inner wall of the groove 29 no longer presses the switch 31, and the switch 31 controls the counter-rotating drive assembly, so that the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 move away from each other, and finally make The first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are separated, and the cabinet door on the main body 2 of the high-voltage power distribution cabinet can be opened.

Embodiment 3, on the basis of Embodiment 2, shown in Figures 1, 2 and 9, the counter-rotating drive assembly includes a first bevel gear 19 arranged above the high-voltage power distribution cabinet A third rotating shaft 18 is fixedly connected to one side of the shaped gear 19, a second bevel gear 20 is sleeved outside the first rotating shaft 6, the second bevel gear 20 is fixedly connected to the first rotating shaft 6, and the outside of the second rotating shaft 9 is A third bevel gear 21 is sleeved, and the third bevel gear 21 is fixedly connected with the second shaft 9. One side of the high-voltage power distribution cabinet base 1 is fixedly connected with a first fixing plate 22, and the top of the first fixing plate 22 is fixed The support plate 23 is connected, and the support plate 23 is provided with a drive mechanism matched with the third shaft 18. The drive mechanism includes a gear ring 63 sleeved on the outside of the third shaft 18, and the gear ring 63 is fixedly connected with the third shaft 18. One end of the third shaft 18 and the support plate 23 are connected by the third bearing 24 , the gear ring 63 is provided with a rack 25 on one side, the top of the support plate 23 is fixedly connected with a connecting seat 26 , and the connecting seat 26 and the rack 25 are hydraulically connected The telescopic rod 27 is connected, the rack 25 is meshed with the gear ring 63, the second bevel gear 20 and the third bevel gear 21 are meshed with the first bevel gear 19;

When the hydraulic telescopic rod 27 drives the rack 25 to move downward, the rack 25 drives the gear ring 63 to rotate through the cooperation of the rack 25 and the gear ring 63 , and then drives the third shaft 18 and the first cone through the gear ring 63 The gear 19 rotates, and through the design of the first bevel gear 19, the second bevel gear 20 and the third bevel gear 21, the second bevel gear 20 and the third bevel gear 21 are driven differently by the first bevel gear 19. The first rotating shaft 6 and the second rotating shaft 9 rotate in the opposite direction, so that the first connecting plate 8 and the second connecting plate 11 respectively drive the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 in different directions. Rotate to make the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 move away from each other, so that the cabinet door on the high-voltage power distribution cabinet body 2 is exposed to avoid the first arc-shaped protection plate 4 and the second arc-shaped protection plate 4 and the second arc-shaped protection plate. The protective plate 5 hinders the opening of the cabinet door on the main body 2 of the high-voltage power distribution cabinet. Similarly, the hydraulic telescopic rod 27 drives the rack 25 to move upward, so that the gear ring 63 and the third rotating shaft 18 rotate in the opposite direction, and then pass the first The bevel gear 19 drives the second bevel gear 20 and the third bevel gear 21 to rotate in the opposite direction, so that the first rotating shaft 6 and the second rotating shaft 9 drive the first connecting plate 8 and the second connecting plate 11 to rotate in the opposite direction, so as to The first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are moved close together, so that the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are closed together to protect the high-voltage power distribution cabinet body 2 , to prevent rainwater from entering the high-voltage power distribution cabinet body 2 through the gap between the cabinet door and the power distribution cabinet shell, and protect the lines in the high-voltage power distribution cabinet body 2 .

Embodiment 4, on the basis of Embodiment 1, as shown in Figure 1, Figure 5, Figure 6 and Figure 8, the bottoms of the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are fixedly connected with several first arc protection plates. Two connecting blocks 32, the bottom of the second connecting block 32 is provided with a roller 33, and the bottom of the roller 33 is in contact with the top of the high-voltage power distribution cabinet 1, the second arc-shaped protective plate 5 is provided with a slot 34, the first A plug board 35 is fixedly connected to the arc-shaped protection plate 4, and the plug board 35 is adapted to the slot 34. A base 36 is arranged under the high-voltage power distribution cabinet 1, and the base 36 and the high-voltage power distribution cabinet 1 are supported by several The legs 37 are connected, a plurality of first limit wheels 38 are arranged in the chute 13, a second limit wheel 39 is arranged on one side of the first limit wheel 38, and a first mounting plate 40 and a second limit wheel 39 are arranged at the bottom of the top plate 12 The mounting plate 41, the first limiting wheel 38 and the first mounting plate 40 are rotatably connected, the second limiting wheel 39 and the second mounting plate 41 are rotatably connected, and the first mounting plate 40 and the second mounting plate 41 are connected to each other through bolts 42. The top plate 12 is connected;

Through the design of the second connecting block 32 and the roller 33, it is convenient to drive the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 to move, and through the design of the base 36 and the supporting legs 37, the high-voltage power distribution cabinet seat 1 is supported , through the design of the slot 34 and the plug-in board 35, when the first arc-shaped protection board 4 and the second arc-shaped protection board 5 are closed, the plug-in board 35 is inserted into the slot 34, and through the cooperation of the slot 34 and the plug-in board 35 , the tightness of the connection between the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 is increased. Through the design of the first limit wheel 38 and the second limit wheel 39 The two sides and the two sides of the second arc-shaped protection plate 5 are limited, so that the top ends of the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 move smoothly in the chute 13. Through the design of the bolts 42, The first mounting plate 40 and the second mounting plate 41 are detachably mounted relative to the top plate 12 , so that the first limiting wheel 38 and the second limiting wheel 39 can be easily disassembled and assembled.

Embodiment 5, on the basis of Embodiment 2, shown in Figure 1, Figure 3, Figure 7 and Figure 10, the drainage adjustment mechanism includes a second fixed plate 43 symmetrically arranged on both sides of the shielding plate 16, the second fixed plate 43 and the shielding plate 16 are fixedly connected, the two sides of the shielding plate 16 are respectively provided with a positioning column 44 and a first lead screw 45, the positioning column 44 passes through one of the second fixed plates 43, and the first lead screw 45 runs through the other second fixed plate 43. plate 43, and the connection mode of the first screw 45 and the second fixing plate 43 is threaded connection, the bottom end of the first screw 45 and the top plate 12 are connected by the fourth bearing 46, the bottom end of the positioning column 44 and the top plate 12 are fixed Connection, the top of the first lead screw 45 is fixedly connected with a fixed plate 47, one side of the first lead screw 45 is provided with a fixed tube 49, the bottom of the fixed tube 49 is fixedly connected with the top of the top plate 12, and the top of the fixed plate 47 is provided with There are several limit holes 48 , a limit rod 50 is arranged in the fixed tube 49 , the bottom end of the limit rod 50 and the top plate 12 are connected by a first compression spring 51 , and the top of the limit rod 50 extends to one of the corresponding limit holes 48 Inside, the limiting rod 50 is provided with a first handle 52, and the fixing plate 47 is provided with a second handle 53;

By driving the limit rod 50 to move down, so that the top of the limit rod 50 is separated from the corresponding limit hole 48, the restriction on the position of the fixed plate 47 can be released. The first compression spring 51 is in a compressed state, and the fixed plate 47 is manually driven. Rotation, the first lead screw 45 is driven to rotate by the fixed disc 47, and then the second fixed plate 43 and the shielding plate 16 are driven to move vertically by the first lead screw 45, so that the heights of the shielding plate 16 and the drainage hole 17 can be changed, and then control When the drain pipe 15 moves downward, the drain pipe 15 and the drain hole 17 are overlapped together. When the fixed plate 47 does not need to be rotated, the limit rod 50 is released, and then the first compression spring 51 drives the limit rod 50 to move up. By inserting the top end of the limit rod 50 into the corresponding limit hole 48 , the fixing plate 47 can be fixed relative to the top plate 12 to avoid the rotation of the fixing plate 47 due to non-human factors. Through the design of the first handle 52 , it is convenient to drive the limit rod 50 Moving, through the design of the second handle 53, it is convenient to drive the fixed plate 47 to rotate.

Embodiment 6, on the basis of Embodiment 2, as shown in Figure 2, Figure 4 and Figure 7, the elastic displacement assembly includes a third fixing plate 55 arranged at the bottom of the rainwater collection lift box body 14, The top is fixedly connected to the bottom of the rainwater collection lift box body 14 , a movable ring 54 is sleeved on the outside of the third fixed plate 55 , the bottom end of the third fixed plate 55 penetrates the top plate 12 , and the bottom of the top plate 12 is provided with a limit plate 57 , and The bottom of the third fixed plate 55 is fixedly connected to the top of the limiting plate 57 , the top of the movable ring 54 is connected to the bottom of the rainwater collection lift box body 14 through the second compression spring 56 , and a lift plate 58 is provided under the top plate 12 to move The bottom of the ring 54 is fixedly connected with two third connecting plates 59 , the third connecting plates 59 penetrate through the top plate 12 , and the bottom of the third connecting plate 59 is fixedly connected with the top of the lifting plate 58 , and a second wire is provided below the top plate 12 The screw 60 and the second screw 60 pass through the lifting plate 58. The connection between the second screw 60 and the lifting plate 58 is screw connection. The top of the second screw 60 and the bottom of the top plate 12 are connected through the fifth bearing 61. The lifting plate A turntable 62 is provided below the 58, and the bottom end of the second lead screw 60 is fixedly connected to the top of the turntable 62;

Through the design of the rainwater collection lift box body 14 , the movable ring 54 and the second compression spring 56 , the rainwater collection lift box body 14 is elastically connected to the movable ring 54 , and through the design of the third fixed plate 55 , the rainwater collection lift box body 14 Relative to the vertical direction of the top plate 12 to move smoothly, the turntable 62 is manually driven to rotate, so that the second lead screw 60 rotates, and then the second lead screw 60 drives the lifting plate 58 to move in the vertical direction, and then drives the third connection through the lifting plate 58. The movement of the plate 59 changes the height of the movable ring 54, thereby adjusting the distance between the movable ring 54 and the rainwater collection lift box body 14, and the length of the second compression spring 56 can be adjusted, so that the rainwater collection lift box body 14 can be adjusted when it descends. resistance.

Working principle: When working, when the outdoor rainstorm or heavy rain, the rainwater is poured into the rainwater collection lift box body 14. Through the design of the elastic displacement component, the rainwater collection lift box body 14 is elastically connected to the top plate 12. Because the rainwater collection lift box body 14 When the rainwater inside increases, the rainwater collection lift box body 14 moves down, and then the fixing block 28 moves down relative to the top plate 12, so that the top inner wall of the groove 29 presses the switch 31, and the hydraulic telescopic rod 27 is controlled by the switch 31 to drive the rack 25 to move upwards. Make the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 move close to each other, and finally make the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 close to each other. At the same time, the drainage pipe 15 moves down relative to the shielding plate 16, and the drainage pipe 15 and the drainage hole 17 are overlapped together. When it stops raining or the rain turns into light rain, the speed at which the rainwater pours into the rainwater collection lift box body 14 is less than the speed at which the drain pipe 15 discharges the rainwater, which in turn causes the weight in the rainwater collection lift box body 14 to decrease, and the rainwater is driven by the elastic displacement component. The collection lift box body 14 moves up, thereby causing the fixing block 28 to move up, the top inner wall of the groove 29 no longer presses the switch 31, and then the switch 31 controls the hydraulic telescopic rod 27 to drive the rack 25 to move down, so that the rack 25 is reset In the initial position, the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are moved away from each other, and finally the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are separated, and the main body of the high-voltage power distribution cabinet can be opened. The cabinet door on 2 can control the vertical movement of the rack 25 through the hydraulic telescopic rod 27 according to the external weather conditions. When the hydraulic telescopic rod 27 drives the rack 25 to move downward, the rack 25 and the gear ring 63 cooperate with each other , so that the rack 25 drives the gear ring 63 to rotate, and then drives the third shaft 18 and the first bevel gear 19 to rotate through the gear ring 63 , and the first bevel gear 19 , the second bevel gear 20 and the third bevel gear 21, the first bevel gear 19 drives the second bevel gear 20 and the third bevel gear 21 to rotate in opposite directions, thereby causing the first shaft 6 and the second shaft 9 to rotate in opposite directions, thereby making the first connecting plate 8 and the second connecting plate 11 respectively drive the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 to rotate in opposite directions, so that the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 move away from each other, and then The cabinet door on the high-voltage power distribution cabinet body 2 is exposed to prevent the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 from hindering the opening of the cabinet door on the high-voltage power distribution cabinet body 2. Similarly, the hydraulic telescopic rod 27 By driving the rack 25 to move upward, the gear ring 63 and the third rotating shaft 18 can rotate in the opposite direction, and then the second bevel gear 20 and the third bevel gear 21 are driven to rotate in opposite directions through the first bevel gear 19 , so that the The first rotating shaft 6 and the second rotating shaft 9 drive the first connecting plate 8 and the second connecting plate 11 to rotate in opposite directions, so as to make the first arc-shaped protection plate 4 and the second arc-shaped protection plate The 5 phases move close together, so that the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are closed together to protect the high-voltage power distribution cabinet body 2 and prevent rainwater from passing through the gap between the cabinet door and the distribution cabinet shell. The gap enters the high-voltage power distribution cabinet body 2 to protect the lines in the high-voltage power distribution cabinet body 2. Through the design of the second connection block 32 and the roller 33, it is convenient to drive the first arc-shaped protection plate 4 and the second arc-shaped protection plate. 5 Move, through the design of the base 36 and the supporting legs 37, the high-voltage power distribution cabinet 1 is supported, and through the design of the slot 34 and the plug-in board 35, when the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 When closed, the plug-in board 35 is inserted into the slot 34, and through the cooperation between the socket 34 and the plug-in board 35, the tightness of the connection between the first arc-shaped protection board 4 and the second arc-shaped protection board 5 is increased. The design of the positioning wheel 38 and the second limiting wheel 39 limits the positions of the two sides of the first arc-shaped protection plate 4 and the two sides of the second arc-shaped protection plate 5, so that the first arc-shaped protection plate 4 and the second arc-shaped protection plate 5 are limited. The top end of the arc-shaped protection plate 5 moves smoothly in the chute 13. Through the design of the bolts 42, the first mounting plate 40 and the second mounting plate 41 can be detachably installed relative to the top plate 12, which is convenient for the first limit wheel. 38 and the second limit wheel 39 are disassembled, and by driving the limit rod 50 to move down, so that the top end of the limit rod 50 is separated from the corresponding limit hole 48, the restriction on the position of the fixed plate 47 can be released, and the first compression The spring 51 is in a compressed state, the fixed plate 47 is manually driven to rotate, the first lead screw 45 is driven to rotate by the fixed plate 47, and then the second fixed plate 43 and the shutter plate 16 are driven to move vertically by the first lead screw 45, which can be changed. When the height of the shielding plate 16 and the drain hole 17 is controlled, the drain pipe 15 and the drain hole 17 are overlapped together. When the fixed plate 47 does not need to be rotated, the limit rod 50 is loosened, and the first A compression spring 51 drives the limit rod 50 to move upward, so that the top end of the limit rod 50 is inserted into the corresponding limit hole 48, so that the fixed plate 47 can be fixed relative to the top plate 12 to prevent the fixed plate 47 from rotating due to non-human factors. The design of the first handle 52 is convenient for driving the limit rod 50 to move, the design of the second handle 53 is convenient for driving the fixed plate 47 to rotate, and the design of the rainwater collecting lift box body 14, the movable ring 54 and the second compression spring 56 makes the The rainwater collection lift box body 14 is elastically connected relative to the movable ring 54. Through the design of the third fixed plate 55, the rainwater collection lift box body 14 can move stably in the vertical direction relative to the top plate 12, and the turntable 62 is manually driven to rotate, so that the second wire The rod 60 rotates, and then drives the lifting plate 58 to move vertically through the second screw 60, and then drives the third connecting plate 59 to move through the lifting plate 58 to change the height of the movable ring 54, thereby adjusting the movable ring 54 and the rainwater collection lift box The distance between the bodies 14 can adjust the length of the second compression spring 56, so as to adjust the resistance received by the rainwater collection lift box body 14 when it descends.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A high-voltage power distribution cabinet based on line protection, comprising a high-voltage power distribution cabinet seat (1) and a high-voltage power distribution cabinet body (2), characterized in that: the high-voltage power distribution cabinet body (2) is arranged in a high-voltage distribution cabinet. Above the electrical cabinet base (1), the high-voltage power distribution cabinet body (2) and the high-voltage power distribution cabinet base (1) are connected through a first connection block (3), and a first connection block (3) is provided on the top of the high-voltage power distribution cabinet base (1). The arc-shaped protection plate (4) and the second arc-shaped protection plate (5) are fixedly connected to the top of the high-voltage power distribution cabinet body (2) with a top plate (12), and the bottom of the top plate (12) is provided with a chute (13), The top ends of the first arc-shaped protection plate (4) and the second arc-shaped protection plate (5) are located in the chute (13), and a first rotating shaft (6) is arranged above the high-voltage power distribution cabinet seat (1). The bottom end of a rotating shaft (6) is connected to the high-voltage power distribution cabinet seat (1) through a first bearing (7), and the first rotating shaft (6) and the first arc-shaped protection plate (4) are connected through a first connecting plate (8) connection, a second rotating shaft (9) is arranged above the first rotating shaft (6), the second rotating shaft (9) and the second arc-shaped protection plate (5) are connected by a second connecting plate (11), and the second rotating shaft (9) ) and the main body (2) of the high-voltage power distribution cabinet are connected by a second bearing (10). Rotate the drive assembly. 2. A high-voltage power distribution cabinet based on line protection according to claim 1, characterized in that: a rainwater collection lift box body (14) is provided above the top plate (12), and the rainwater collection lift box body (14) ) is a cavity structure with an open top, the rainwater collection lift box body (14) and the top plate (12) are connected by elastic displacement components, and the bottom of the rainwater collection lift box body (14) is fixedly connected with a fixing block (28), the fixing block ( The bottom of 28) is provided with a groove (29), the top of the top plate (12) is fixedly connected with a support block (30), the top of the support block (30) is located in the groove (29), and the top of the support block (30) A switch (31) is fixedly connected, a drain pipe (15) is arranged on the rainwater collection lift box body (14), a shielding plate (16) is arranged on one side of the drainage pipe (15), the shielding plate (16) and the drainage pipe ( 15) are in contact, one side of the shielding plate (16) is provided with a drainage hole (17), and the shielding plate (16) and the top plate (12) are connected by a drainage adjustment mechanism. 3. A high-voltage power distribution cabinet based on line protection according to claim 2, characterized in that: the counter-rotating drive assembly comprises a first bevel gear ( 19), a third rotating shaft (18) is fixedly connected to one side of the first bevel gear (19), a second bevel gear (20) is sleeved outside the first rotating shaft (6), and the second bevel gear ( 20) is fixedly connected with the first rotating shaft (6), a third bevel gear (21) is sleeved outside the second rotating shaft (9), and the third bevel gear (21) is fixedly connected with the second rotating shaft (9), A first fixing plate (22) is fixedly connected to one side of the high-voltage power distribution cabinet seat (1), a supporting plate (23) is fixedly connected to the top of the first fixing plate (22), and a supporting plate (23) is provided with a second fixing plate (23). The drive mechanism matched with the three rotating shafts (18). 4. A high-voltage power distribution cabinet based on line protection according to claim 3, characterized in that: the drive mechanism comprises a gear ring (63) sleeved on the outside of the third rotating shaft (18), the gear ring (63) ) and the third shaft (18) fixedly connected, one end of the third shaft (18) and the support plate (23) are connected through the third bearing (24), one side of the gear ring (63) is provided with a rack (25), The top of the support plate (23) is fixedly connected with a connecting seat (26), the connecting seat (26) and the rack (25) are connected by a hydraulic telescopic rod (27), and the rack (25) is meshed with the gear ring (63), Both the second bevel gear (20) and the third bevel gear (21) mesh with the first bevel gear (19). 5. A high-voltage power distribution cabinet based on line protection according to claim 1, characterized in that: the bottoms of the first arc-shaped protection plate (4) and the second arc-shaped protection plate (5) are fixedly connected There are several second connection blocks (32), the bottom of the second connection block (32) is provided with a roller (33), and the bottom of the roller (33) is in contact with the top of the high-voltage power distribution cabinet (1), and the second arc A slot (34) is opened on the arc-shaped protection plate (5), a plug-in board (35) is fixedly connected to the first arc-shaped protection board (4), and the plug-in board (35) is adapted to the slot (34), A base (36) is arranged below the high-voltage power distribution cabinet base (1), and the base (36) and the high-voltage power distribution cabinet base (1) are connected by a plurality of support legs (37). 6. A high-voltage power distribution cabinet based on line protection according to claim 1, characterized in that: the chute (13) is provided with a plurality of first limit wheels (38), the first limit wheels ( 38) is provided with a second limiting wheel (39) on one side, the bottom of the top plate (12) is provided with a first mounting plate (40) and a second mounting plate (41), the first limiting wheel (38) and the A mounting plate (40) is rotatably connected, the second limiting wheel (39) is rotatably connected with the second mounting plate (41), and the first mounting plate (40) and the second mounting plate (41) are connected to each other through bolts (42). The top plate (12) is connected. 7. A high-voltage power distribution cabinet based on line protection according to claim 2, characterized in that: the drainage adjustment mechanism comprises second fixing plates (43) symmetrically arranged on both sides of the shielding plate (16), The two fixing plates (43) are fixedly connected with the shielding plate (16), the two sides of the shielding plate (16) are respectively provided with positioning columns (44) and first lead screws (45), and the positioning columns (44) penetrate through one of the second The fixing plate (43), the first lead screw (45) penetrates the other second fixing plate (43), and the connection mode of the first lead screw (45) and the second fixing plate (43) is screw connection, the first lead screw (45) The bottom end of the bar (45) and the top plate (12) are connected by a fourth bearing (46), and the bottom end of the positioning column (44) is fixedly connected with the top plate (12). 8. A high-voltage power distribution cabinet based on line protection according to claim 7, characterized in that: the top of the first lead screw (45) is fixedly connected with a fixed plate (47), and the first lead screw (45) ) is provided with a fixing pipe (49) on one side, the bottom of the fixing pipe (49) is fixedly connected with the top of the top plate (12), the top of the fixing plate (47) is provided with a number of limit holes (48), the fixing pipe (49) ) is provided with a limit rod (50), the bottom end of the limit rod (50) and the top plate (12) are connected by a first compression spring (51), and the top of the limit rod (50) extends to one of the corresponding limit In the hole (48), a first handle (52) is arranged on the limit rod (50), and a second handle (53) is arranged on the fixing plate (47). 9. A high-voltage power distribution cabinet based on line protection according to claim 2, wherein the elastic displacement component comprises a third fixing plate (55) arranged at the bottom of the rainwater collection lift box body (14), The top of the third fixing plate (55) is fixedly connected with the bottom of the rainwater collection lift box body (14). The end runs through the top plate (12), the bottom of the top plate (12) is provided with a limit plate (57), and the bottom of the third fixed plate (55) is fixedly connected with the top of the limit plate (57), and the top of the movable ring (54) It is connected with the bottom of the rainwater collection lift box body (14) through a second compression spring (56). 10. A high-voltage power distribution cabinet based on line protection according to claim 9, characterized in that: a lifting plate (58) is arranged below the top plate (12), and a bottom of the movable ring (54) is fixedly connected with a lifting plate (58). Two third connecting plates (59), the third connecting plate (59) penetrates the top plate (12), and the bottom of the third connecting plate (59) and the top of the lifting plate (58) are fixedly connected, and the bottom of the top plate (12) A second lead screw (60) is provided, the second lead screw (60) penetrates the lift plate (58), and the connection between the second lead screw (60) and the lift plate (58) is a threaded connection, and the second lead screw (60) ) and the bottom of the top plate (12) are connected by a fifth bearing (61), a turntable (62) is provided below the lift plate (58), the bottom end of the second lead screw (60) and the top of the turntable (62) Fixed connection.

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