CN220896131U - Low-voltage fixed switch cabinet - Google Patents

Abstract

The utility model relates to the technical field of electric control cabinets and discloses a low-voltage fixed switch cabinet which comprises a shell, a plurality of groups of back plates and a plurality of groups of electric elements, wherein the back plates are movably connected with the shell, the electric elements are positioned on the surfaces of the back plates and are detachably connected with the back plates, a disassembling assembly is arranged in a cavity of the shell, the disassembling assembly comprises a first fixing rod used for moving, a second fixing rod used for clamping and a guiding moving block used for adjusting, the second fixing rod is movably connected with the shell, the first fixing rod is movably connected with the second fixing rod, the guiding moving block is slidably connected with the first fixing rod, the back plates are fixedly connected with the guiding moving block, and the first fixing rod and the guiding moving block are slidably used for adjusting the positions of the back plates.

Description

Low-voltage fixed switch cabinet

Technical Field

The utility model belongs to the technical field of electric control cabinets, and particularly relates to a low-voltage fixed type switch cabinet.

Background

The prior art discloses a low-voltage stationary switchgear cabinet (CN 202222952038.1), comprising: the novel cabinet comprises a cabinet body, a cabinet door, a base and a sleeve column, wherein universal wheels are connected to four sides of the bottom surface of the base, inner columns are fixed to two sides of the bottom surface of the base, second threads are arranged on the surfaces of the inner columns, first threads are meshed with the surfaces of the second threads, the first threads are arranged on the inner surfaces of the sleeve columns, and the sleeve columns are sleeved on the surfaces of the inner columns;

In the in-service use, because electrical components and mounting panel fixed connection, when electrical components in the cubical switchboard breaks down and needs the staff to overhaul it, the staff need visit its health in the cubical switchboard and overhaul the circuit, because the space in the cubical switchboard is less, when the maintainer overhauls, the physical activity scope probably receives the restriction, is inconvenient for the staff to inspect the change of trouble position, has increased the operating time of maintainer simultaneously.

The present utility model has been made in view of this.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

The utility model provides a fixed cubical switchboard of low pressure, includes casing, multiunit backplate and multiunit electrical component, backplate and casing swing joint, electrical component is located the surface of backplate and dismantles with the backplate and be connected, is provided with the dismantlement subassembly in the cavity of casing, the dismantlement subassembly contains the first dead lever that is used for removing, the second dead lever that is used for the chucking and the direction movable block that is used for adjusting, second dead lever and casing swing joint, first dead lever and second dead lever swing joint, direction movable block and first dead lever sliding connection, backplate and direction movable block fixed connection, the position of backplate is adjusted in first dead lever and direction movable block sliding.

As a preferred embodiment of the utility model, the disassembling component further comprises a plurality of groups of cross bars and a plurality of groups of rollers, wherein one roller is positioned on the top surface of the second fixed rod and fixedly connected with the second fixed rod, the other roller is positioned on the bottom surface of the first fixed rod and fixedly connected with the first fixed rod, the cross bars are fixedly connected with the shell, the two sides of the cross bars are provided with the same sliding grooves, the sliding grooves are matched with the rollers, and the rollers are embedded into the sliding grooves and are in rolling connection with the sliding grooves.

As a preferred embodiment of the utility model, the disassembly assembly further comprises a plurality of groups of vertical rods, a plurality of groups of screw rods and a plurality of groups of anti-rotation fixing pieces, the vertical rods are fixedly connected with the shell, two ends of the cross rod are respectively fixedly connected with the same vertical rods, the anti-rotation fixing pieces are fixedly connected with the wall surfaces of the vertical rods, through holes for adapting the screw rods are formed in the wall surfaces of the vertical rods, the screw rods penetrate through the anti-rotation fixing pieces and the through holes to be rotationally connected with the vertical rods, rotating holes for adapting the screw rods are formed in the wall surfaces of the first fixing rods, and the screw rods also penetrate through the rotating holes to be rotationally connected with the first fixing rods.

As a preferred embodiment of the utility model, the disassembling assembly further comprises a plurality of groups of springs, the springs are positioned between the second fixing rod and the first fixing rod, one end of each spring is fixedly connected with the second fixing rod, the other end of each spring is fixedly connected with the first fixing rod, and the second fixing rod and the first fixing rod are positioned between the two cross rods.

As a preferred embodiment of the utility model, the disassembly assembly further comprises a plurality of groups of guide moving blocks, the two side wall surfaces of the first fixing rod are provided with the same limiting grooves, the guide moving blocks are embedded into the limiting grooves and are in sliding connection with the limiting grooves, and the guide moving blocks penetrate through the first fixing rod and are fixedly connected with the guide moving blocks.

As a preferred implementation mode of the utility model, the disassembly component further comprises a plurality of groups of movable limiting blocks and bolts, the guide movable blocks are in a shape of a Chinese character 'kou', the movable limiting blocks are positioned on the inner walls of the guide movable blocks and fixedly connected with the guide movable blocks, the movable limiting blocks are matched with the limiting grooves, the movable limiting blocks are embedded into the limiting grooves and are slidably connected with the limiting grooves, the guide movable blocks are sleeved with the first fixed rods, and the bolts penetrate through the first fixed rods and are fixedly connected with the guide movable blocks.

As a preferred embodiment of the utility model, the disassembly assembly further comprises a plurality of groups of connecting rods, the connecting rods are positioned on the top surface of the guiding moving block and are fixedly connected with the guiding moving block, the backboard is positioned between the two connecting rods, and two ends of the backboard are respectively and fixedly connected with the same connecting rods.

As a preferred embodiment of the present utility model, the number of the back plates is 3 groups.

As a preferred embodiment of the present utility model, 8 groups of electrical components are distributed on the back plate in an array.

As a preferred embodiment of the present utility model, the number of the springs is 2 groups.

Compared with the prior art, the utility model has the following beneficial effects:

1. The same sliding grooves are formed in the two sides of the cross rod, the first fixing rod and the second fixing rod are fixedly connected with idler wheels, the wall surface of the first fixing rod is rotationally connected with a screw rod, a screw rod seat is fixedly connected with a rotating hole of the first fixing rod, the screw rod penetrates through the anti-rotation fixing piece and the first fixing rod, a locking device is arranged on the wall surface of the anti-rotation fixing piece, a worker opens the locking device of the anti-rotation fixing piece at the moment, then rotates the screw rods on the two sides, the rotating screw rod drives the screw rod seat, the screw rod seat pulls the first fixing rod, the pulled first fixing rod drives the idler wheels fixedly connected with the bottom surface, the idler wheels start to move along the sliding grooves on the wall surface of the cross rod, and because the top surface of the first fixing rod is elastically connected with the second fixing rod, the first fixing rod subjected to pulling force can give a component force to the second fixing rod, and the second fixing rod subjected to component force can move along the direction of the component force, meanwhile, the roller on the top surface of the second fixing rod can move along the track of the sliding groove on the wall surface of the cross rod, the back plate is moved to the overhaul opening of the switch cabinet, an operator is not required to insert the body into the cavity of the switch cabinet to overhaul the switch cabinet, the overhaul of the operator is facilitated, the overhaul time of the operator is greatly saved, the work efficiency of the maintainer is improved, the maintenance time and the cost are reduced, when the overhaul of the operator is completed, the screw rod is rotated in the opposite direction, the screw rod pushes the first fixing rods on two sides to move towards the cavity of the switch cabinet, the first fixing rods move to push the back plate to move towards the cavity of the switch cabinet, when the back plate is adjusted to a proper position by the operator, the locking device of the anti-rotation fixing piece is closed, the screw rod is locked at the moment, the screw rod is prevented from rotating due to vibration, the back plate is driven to move randomly in the switch cabinet, thereby causing damage to the electrical components and increasing the cost of the enterprise.

2. The guide movable block is sleeved with the first fixed rod, the movable limiting block is fixedly connected to the inside of the guide movable block, the limiting groove matched with the movable limiting block is formed in the wall surface of the first fixed rod, the movable limiting block is embedded into the limiting groove, bolts penetrate through the guide movable block and fixedly connected with nuts, at the moment, workers move the first fixed rod to the overhauling position of the switch cabinet through rotating the screw rods, the nuts are rotated by the workers, the guide movable block and the first fixed rod are loosened, the guide movable block can be subjected to the action of gravity, the guide movable block moves towards the bottom surface of the shell, the descending guide movable block can drive the backboard to descend downwards, the workers can conveniently overhaul and replace electric elements, when the workers replace the electric elements, the guide movable block can be pushed to move and adjust the position of the backboard located in the switch cabinet, the backboard is distributed in the switch cabinet better, the backboard in the switch cabinet is reasonably distributed, the moving guide movable block can adjust the position of the backboard, the workers are prevented from spending a certain time on the electric elements of different specifications because of the electric elements are avoided, and the workload of the workers is increased.

3. Be provided with the spring between second dead lever and the first dead lever, the one end fixed connection second dead lever of spring, the first dead lever of the other end fixed connection of spring, staff gives a decurrent pressure of second dead lever, the spring that receives the pressure can be moved towards the direction of first dead lever, the second dead lever drives the gyro wheel and removes together this moment, the gyro wheel breaks away from the spout, the staff can dismantle whole module, the change of whole module of being convenient for has shortened staff's operating time, great saving time, work efficiency has been promoted.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of a low voltage stationary switchgear of the present utility model;

FIG. 2 is a schematic perspective view of the inside of the low voltage stationary switchgear of the present utility model;

FIG. 3 is a schematic perspective view of a disassembly assembly according to the present utility model;

FIG. 4 is an exploded view of the disassembled parts of the present utility model;

fig. 5 is a schematic perspective view of a guide moving block according to the present utility model.

In the figure: 10. a housing; 11. a vertical rod; 12. a cross bar; 13. a chute; 14. a connecting rod; 15. a back plate; 16. an electrical component; 17. a screw rod; 18. an anti-rotation fixing member; 20. a second fixing rod; 21. a first fixing rod; 22. guiding the moving block; 23. a limit groove; 24. a roller; 25. a bolt; 26. a spring; 27. and moving the limiting block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

1-5, The low-voltage fixed switch cabinet comprises a shell 10, a plurality of groups of back plates 15 and a plurality of groups of electric elements 16, wherein the back plates 15 are movably connected with the shell 10, the electric elements 16 are positioned on the surface of the back plates 15 and are detachably connected with the back plates 15, a disassembling component is arranged in a cavity of the shell 10 and comprises a first fixing rod 21 used for moving, a second fixing rod 20 used for clamping and a guiding moving block 22 used for adjusting, the second fixing rod 20 is movably connected with the shell 10, the first fixing rod 21 is movably connected with the second fixing rod 20, the guiding moving block 22 is slidably connected with the first fixing rod 21, the back plates 15 are fixedly connected with the guiding moving block 22, the positions of the back plates 15 are slidably adjusted by the first fixing rod 21 and the guiding moving block 22, the disassembling component further comprises a plurality of groups of cross rods 12 and a plurality of groups of rollers 24, one roller 24 is positioned on the top surface of the second fixing rod 20 and is fixedly connected with the second fixing rod 20, the other roller 24 is positioned on the bottom surface of the first fixed rod 21 and is fixedly connected with the first fixed rod 21, the cross rod 12 is fixedly connected with the shell 10, the two sides of the cross rod 12 are respectively provided with the same sliding chute 13, the sliding chute 13 is matched with the roller 24, the roller 24 is embedded into the sliding chute 13 and is in rolling connection with the sliding chute 13, the disassembly component further comprises a plurality of groups of vertical rods 11, a plurality of groups of screw rods 17 and a plurality of groups of anti-rotation fixing pieces 18, the vertical rods 11 are fixedly connected with the shell 10, the two ends of the cross rod 12 are respectively fixedly connected with the same vertical rods 11, the anti-rotation fixing pieces 18 are fixedly connected with the wall surface of the vertical rods 11, the wall surface of the vertical rods 11 is provided with a through hole for adapting the screw rod 17, the screw rod 17 passes through the anti-rotation fixing pieces 18 and the through hole to be in rolling connection with the first fixed rod 21, the disassembly component further comprises a plurality of groups of springs 26, the springs 26 are positioned between the second fixed rod 20 and the first fixed rod 21, one end of each spring 26 is fixedly connected with the second fixed rod 20, the other end of each spring 26 is fixedly connected with the first fixed rod 21, the second fixed rod 20 and the first fixed rod 21 are positioned between the two cross rods 12, the disassembly component further comprises a plurality of groups of guide moving blocks 22, the two side wall surfaces of the first fixed rod 21 are respectively provided with the same limiting groove 23, the guide moving blocks 22 are embedded into the limiting grooves 23 and are in sliding connection with the limiting grooves 23, the guide moving blocks 22 penetrate through the first fixed rod 21 and are fixedly connected with the guide moving blocks 22, the disassembly component further comprises a plurality of groups of moving limiting blocks 27, the guide moving blocks 22 are in a shape of a mouth, the moving limiting blocks 27 are positioned on the inner wall of the guide moving blocks 22 and are fixedly connected with the guide moving blocks 22, the moving limiting blocks 27 are matched with the limiting grooves 23, the movable limiting block 27 is embedded into the limiting groove 23 and is in sliding connection with the limiting groove 23, the guide moving block 22 is sleeved with the first fixed rod 21, the disassembly assembly further comprises a plurality of groups of connecting rods 14, the connecting rods 14 are positioned on the top surface of the guide moving block 22 and are fixedly connected with the guide moving block 22, the back plate 15 is positioned between the two connecting rods 14, two ends of the back plate 15 are respectively fixedly connected with the same connecting rods 14, the scheme is characterized in that the back plate 15 is fixedly connected with the connecting rods 14 by disassembling and connecting the electric elements 16 and the back plate 15, the connecting rods 14 are fixedly connected with the guide moving block 22, when an electric instrument of the switch cabinet reports errors, a worker needs to carry out the switch cabinet, the worker opens a shell 10 on one side of the switch cabinet, but the traditional back plate 15 is directly fixedly connected with the shell 10, when the worker overhauls the circuit, the worker possibly needs to visit the switch cabinet to carry out overhauling and replacement on the circuit, thereby causing inconvenient maintenance for staff, through setting up the same spout 13 in the both sides of horizontal pole 12, and first dead lever 21 and second dead lever 20 all fixedly connected with gyro wheel 24, the wall of first dead lever 21 rotates and is connected with lead screw 17, the rotatory hole fixedly connected with lead screw seat of first dead lever 21, lead screw 17 passes anti-rotation mounting 18 and first dead lever 21, the wall of anti-rotation mounting 18 is provided with locking means, the locking means of anti-rotation mounting 18 is opened to the staff at this moment, then rotate the lead screw 17 of both sides, the pivoted lead screw 17 drives the lead screw seat, lead screw seat pulling first dead lever 21, the first dead lever 21 of being pulled can drive bottom surface fixedly connected gyro wheel 24, gyro wheel 24 can begin to remove along spout 13 of horizontal pole 12 wall, again because the top surface elastic connection of first dead lever 21 has second dead lever 20, the first fixing rod 21 which receives the pulling force can give a component force to the second fixing rod 20, the second fixing rod 20 which receives the component force can move along the direction of the component force, meanwhile, the roller 24 on the top surface of the second fixing rod 20 can also move along the track of the sliding groove 13 on the wall surface of the cross rod 12, the back plate 15 is moved out to the overhaul opening of the switch cabinet, the overhaul of the staff is convenient, the staff is not required to search the body into the cavity of the switch cabinet to overhaul the switch cabinet, the overhaul time of the staff is greatly saved, the maintenance time and the cost are reduced, when the overhaul of the staff is completed, the screw rod 17 is reversely rotated, the screw rod 17 pushes the first fixing rod 21 on two sides to move towards the cavity of the switch cabinet, the first fixing rod 21 moves to push the back plate 15 towards the cavity of the switch cabinet, when the staff adjusts the back plate 15 to a proper position, the locking device of the anti-rotation fixing piece 18 is closed, at this time, the screw rod 17 is locked, so that the screw rod 17 is prevented from vibrating and rotating to drive the back plate 15 to move randomly in the switch cabinet, thereby causing damage to the electrical element 16 and increasing the cost of enterprises. The number of the back plates 15 is 3, and 8 groups of electrical elements 16 are distributed on the back plates 15 in an array mode.

As shown in fig. 3-5, the guide moving block 22 is sleeved with the first fixed rod 21, the movable limiting block 27 is fixedly connected to the inside of the guide moving block 22, the limiting groove 23 matched with the movable limiting block 27 is formed in the wall surface of the first fixed rod 21, the movable limiting block 27 is embedded into the limiting groove 23, the bolts 25 penetrate through the guide moving block 22 and are fixedly connected with nuts, at the moment, a worker moves the first fixed rod 21 to the maintenance position of the switch cabinet by rotating the screw rods 17, the worker rotates the nuts, the guide moving block 22 and the first fixed rod 21 are loosened, the guide moving block 22 can receive the action of gravity, the guide moving block 22 moves towards the bottom surface of the shell 10, the descending guide moving block 22 can drive the backboard 15 to descend, so that the worker can conveniently maintain and replace the electrical components 16, when the worker finishes replacing the electrical components 16, the guide moving block 22 can be pushed to move and adjust the position of the backboard 15 in the switch cabinet, the plurality of groups of backboard 15 are distributed in the switch cabinet well, the backboard 15 in the switch cabinet is reasonably distributed, the moving guide moving block 22 can adjust the position of the backboard 15, the worker can adjust the backboard 15, the position of the switch cabinet, the worker can be prevented from being required to adjust the electrical components to be different in the electrical components, and the electrical components 16 are required to be adjusted, and the electrical components are different in time.

As shown in fig. 4, a spring 26 is disposed between the second fixing rod 20 and the first fixing rod 21, the number of the springs 26 is 2, one end of the spring 26 is fixedly connected with the second fixing rod 20, the other end of the spring 26 is fixedly connected with the first fixing rod 21, a worker applies downward pressure to the second fixing rod 20, the spring 26 under pressure moves towards the direction of the first fixing rod 21, at this time, the second fixing rod 20 drives the roller 24 to move together, the roller 24 is separated from the chute 13, the worker can detach the whole module, the replacement of the whole module is facilitated, the working time of the worker is shortened, the time is greatly saved, and the working efficiency is improved.

Working principle: through dismantling the electrical components 16 and the backboard 15 to be connected, the backboard 15 is fixedly connected with the connecting rod 14, the connecting rod 14 is fixedly connected with the guiding moving block 22, when the electrical instrument of the switch cabinet is in error, a worker is required to carry out the switch cabinet, the worker opens the shell 10 on one side of the switch cabinet, but the traditional backboard 15 is directly fixedly connected with the shell 10, when the worker overhauls the circuit, the worker possibly needs to visit the switch cabinet to overhaul and replace the circuit, thereby causing inconvenient overhaul of the worker, the same sliding grooves 13 are arranged on two sides of the cross rod 12, the first fixing rod 21 and the second fixing rod 20 are fixedly connected with the roller 24, the screw rod 17 is rotationally connected with the wall surface of the first fixing rod 21, the screw rod seat is fixedly connected with the rotary hole of the first fixing rod 21, the screw rod 17 penetrates through the anti-rotation fixing piece 18 and the first fixing rod 21, the wall surface of the anti-rotation fixing piece 18 is provided with a locking device, at the moment, a worker opens the locking device of the anti-rotation fixing piece 18, then rotates the screw rods 17 at two sides, the rotating screw rods 17 drive screw rod seats, the screw rod seats pull the first fixing rods 21, the pulled first fixing rods 21 drive the rollers 24 fixedly connected with the bottom surfaces, the rollers 24 start to move along the sliding grooves 13 of the wall surface of the cross rod 12, and because the top surfaces of the first fixing rods 21 are elastically connected with the second fixing rods 20, the first fixing rods 21 which are stressed give the second fixing rods 20 a component force, the second fixing rods 20 which are stressed by the component force move along the direction of the component force, meanwhile, the rollers 24 on the top surfaces of the second fixing rods 20 also move along the track of the sliding grooves 13 of the wall surface of the cross rod 12, the backboard 15 is moved out to the overhaul opening of the switch cabinet, so that the overhaul of the worker is facilitated, the operator is not required to visit the body into the cavity of the switch cabinet to overhaul the switch cabinet, so that the overhaul time of the operator is greatly saved, the maintenance time and the cost are reduced, when the overhaul of the operator is finished, the screw rod 17 is rotated in the opposite direction, the screw rod 17 pushes the first fixing rods 21 at two sides to move towards the cavity of the switch cabinet, the first fixing rods 21 move to push the back plate 15 to move towards the cavity of the switch cabinet, when the operator adjusts the back plate 15 to a proper position, the locking device of the anti-rotation fixing piece 18 is closed, the screw rod 17 is locked at the moment, the screw rod 17 is prevented from vibrating and rotating to drive the back plate 15 to move randomly in the switch cabinet, the guide moving block 22 is sleeved with the first fixing rods 21, the moving limiting block 27 is fixedly connected to the inside of the guide moving block 22, the wall surface of the first fixing rod 21 is provided with the limiting groove 23 matched with the moving limiting block 27, the moving limiting block 27 is embedded into the limiting groove 23, the bolt 25 passes through the guiding moving block 22 and is fixedly connected with a nut, at the moment, a worker moves the first fixing rod 21 to the overhaul position of the switch cabinet by rotating the screw rod 17, the worker rotates the nut to loosen the guiding moving block 22 and the first fixing rod 21, the guiding moving block 22 is subjected to the action of gravity, the guiding moving block 22 moves towards the bottom surface of the shell 10, the descending guiding moving block 22 drives the backboard 15 to descend, the overhaul and replacement of the electrical element 16 are convenient for the worker, when the worker finishes the replacement of the electrical element 16, the guiding moving block 22 can be pushed to move to adjust the position of the backboard 15 in the switch cabinet, so that a plurality of groups of backboard 15 are better distributed in the switch cabinet, the backboard 15 in the switch cabinet is reasonably distributed, the moving guiding moving block 22 can adjust the position of the backboard 15, a spring 26 is arranged between the second fixing rod 20 and the first fixing rod 21, one end of the spring 26 is fixedly connected with the second fixing rod 20, the other end of the spring 26 is fixedly connected with the first fixing rod 21, a worker gives downward pressure to the second fixing rod 20, the spring 26 subjected to pressure moves towards the direction of the first fixing rod 21, at the moment, the second fixing rod 20 drives the roller 24 to move together, the roller 24 is separated from the chute 13, the worker can detach the whole module, and the whole module is convenient to replace.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a fixed cubical switchboard of low pressure, includes casing (10), multiunit backplate (15) and multiunit electrical component (16), backplate (15) and casing (10) swing joint, and electrical component (16) are located the surface of backplate (15) and dismantle with backplate (15) and be connected, its characterized in that, be provided with in the cavity of casing (10) and dismantle the subassembly, it contains first dead lever (21) that are used for removing, second dead lever (20) that are used for the chucking and the direction movable block (22) that are used for adjusting to dismantle the subassembly, second dead lever (20) and casing (10) swing joint, first dead lever (21) and second dead lever (20) swing joint, direction movable block (22) and first dead lever (21) sliding connection, backplate (15) and direction movable block (22) fixed connection, the position of backplate (15) is adjusted in the direction movable block (22) sliding.

2. The low-voltage fixed switch cabinet according to claim 1, wherein the disassembly assembly further comprises a plurality of groups of cross bars (12) and a plurality of groups of rollers (24), one roller (24) is located on the top surface of the second fixed rod (20) and fixedly connected with the second fixed rod (20), the other roller (24) is located on the bottom surface of the first fixed rod (21) and fixedly connected with the first fixed rod (21), the cross bars (12) are fixedly connected with the shell (10), the same sliding grooves (13) are formed in two sides of the cross bars (12), the sliding grooves (13) are matched with the rollers (24), and the rollers (24) are embedded into the sliding grooves (13) and are in rolling connection with the sliding grooves (13).

3. The low-voltage fixed switch cabinet according to claim 2, wherein the disassembly assembly further comprises a plurality of groups of vertical rods (11), a plurality of groups of screw rods (17) and a plurality of groups of anti-rotation fixing pieces (18), the vertical rods (11) are fixedly connected with the shell (10), two ends of the cross rods (12) are fixedly connected with the same vertical rods (11) respectively, the anti-rotation fixing pieces (18) are fixedly connected with the wall surfaces of the vertical rods (11), through holes for the screw rods (17) are formed in the wall surfaces of the vertical rods (11), the screw rods (17) penetrate through the anti-rotation fixing pieces (18) and the through holes to be in rotary connection with the vertical rods (11), rotary holes for the screw rods (17) are formed in the wall surfaces of the first fixing rods (21), and the screw rods (17) penetrate through the rotary holes to be in rotary connection with the first fixing rods (21).

4. The low voltage stationary switch cabinet of claim 2, wherein the dismounting assembly further comprises a plurality of sets of springs (26), the springs (26) being located between the second stationary bar (20) and the first stationary bar (21), one end of the springs (26) being fixedly connected to the second stationary bar (20), the other end of the springs (26) being fixedly connected to the first stationary bar (21), the second stationary bar (20) and the first stationary bar (21) being located between the two cross bars (12).

5. The low-voltage fixed switch cabinet according to claim 1, wherein the dismounting assembly further comprises a plurality of groups of guide moving blocks (22), the same limiting grooves (23) are formed in the two side wall surfaces of the first fixing rod (21), the guide moving blocks (22) are embedded into the limiting grooves (23) and are in sliding connection with the limiting grooves (23), and the guide moving blocks (22) penetrate through the first fixing rod (21) to be fixedly connected with the guide moving blocks (22).

6. The low-voltage fixed switch cabinet according to claim 5, wherein the disassembly assembly further comprises a plurality of groups of movable limiting blocks (27) and bolts (25), the guide movable block (22) is in a shape of a mouth, the movable limiting blocks (27) are located on the inner wall of the guide movable block (22) and fixedly connected with the guide movable block (22), the movable limiting blocks (27) are matched with the limiting grooves (23), the movable limiting blocks (27) are embedded into the limiting grooves (23) and are slidably connected with the limiting grooves (23), the guide movable block (22) is sleeved with the first fixed rod (21), and the bolts (25) penetrate through the first fixed rod (21) and are fixedly connected with the guide movable block (22).

7. The low-voltage fixed switch cabinet according to claim 1, wherein the dismounting assembly further comprises a plurality of groups of connecting rods (14), the connecting rods (14) are positioned on the top surface of the guiding moving block (22) and are fixedly connected with the guiding moving block (22), the back plate (15) is positioned between the two connecting rods (14), and two ends of the back plate (15) are respectively and fixedly connected with the same connecting rods (14).

8. The low-voltage stationary switchgear according to claim 1, characterized in that the number of back plates (15) is 3 groups.

9. The low-voltage stationary switchgear according to claim 1, characterized in that 8 sets of electrical elements (16) are distributed in an array on the back-plate (15).

10. The low-voltage stationary switchgear according to claim 4, characterized in that the number of springs (26) is 2 groups.