CN211859181U - A switchgear with high safety performance - Google Patents

Abstract

The utility model discloses a high security switch cabinet, insert the inserted bar to the inboard of slot, make its tip of its first positioning screw press and hold the inserted bar and fix it through twisting first positioning screw rod and make it run through to the inboard of screw, thereby realize the fixed of electric roof beam, need remove through twisting first positioning screw rod when dismantling again, make its first positioning screw rod to the pressure of inserted bar hold and remove, extract the inserted bar from the slot again, realized convenient dismantlement, through installing electric roof beam and electrical apparatus after the circuit connects, through adjusting the height of slip electric shock insulation cloth subassembly and slip electric shock insulation cloth block subassembly, make it to electric appliance wiring end or leading-out terminal position department, through pulling high temperature resistant insulation cloth to the electric shock insulation cloth block subassembly of movable contact blocking high temperature resistant insulation cloth after blocking electric appliance wiring end or leading-out terminal position department, the problem of electric shock caused by misoperation when a worker uses the electric shock protector is avoided.

Description

A switchgear with high safety performance

technical field

The utility model relates to a switch cabinet, in particular to a switch cabinet with high safety performance, belonging to the technical field of switch cabinets.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each sub-circuit is set according to its needs, such as instrumentation, automatic control, motor magnetic switch, various AC contactors, etc. Some are also equipped with high-voltage room and low-voltage room switchgear, with high-voltage busbars, such as power plants, etc., and some are also equipped with low-cycle load reducers to protect main equipment.

The main function of the switch cabinet is to switch, control and protect the electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet mainly include circuit breakers, isolation switches, load switches, It consists of operating mechanism, transformer and various protection devices. There are many classification methods for switchgear. For example, the circuit breaker installation method can be divided into removable switchgear and fixed switchgear or according to the different cabinet structure, it can be divided into Open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, low-voltage switchgear, etc., mainly suitable for power plants, substations, petrochemicals, metallurgical steel rolling, Light industry and textile, factories and mines, residential quarters, high-rise buildings and other occasions.

In the switch cabinet in the prior art, the electrical appliance is fixed on the electrical beam, and then the electrical beam is fixed on the L-shaped rod body inside the switch cabinet. The end of the electrical beam is also provided with a bar-shaped through hole, and then the screw is passed through the through hole to realize the fixing, and then the electrical appliance is fixed on the electrical beam, so as to realize the assembly of the switch cabinet. When the electric beam is used, two sets of wrenches are needed. One set is the nut stuck on the back of the L-shaped rod body, and the other set of wrenches is used to screw the screw to realize the fixation. It is very time-consuming, labor-intensive and inconvenient, because the electrical appliance has a certain height, and the distance between the fixed electrical appliance and the switch cabinet is not large, and it is not easy for manpower to go in and screw the screw fixed at the end. Unscrew the screw, adjust the position, screw the screw on, and fix the electrical appliance. In addition, in the prior art, the terminal between the electrical appliance and the electrical appliance is often leaked, so the increased risk will be increased when the staff operates. The phenomenon of false electric shock occurs, so a switchgear with high safety performance is designed to optimize the above problems.

Utility model content

The main purpose of the utility model is to provide a switch cabinet with high safety performance, select a suitable height on the strip-shaped electric beam fixing plate by holding the electric beam, insert the insertion rod into the inner side of the slot, and rotate the first The positioning screw penetrates into the inner side of the screw hole so that the end of the first positioning screw presses the insertion rod to fix it, so as to realize the fixation of the electrical beam. The first positioning screw releases the pressing of the insertion rod, and then pulls out the insertion rod from the slot, which realizes convenient disassembly. and the height of the sliding electric shock insulating cloth clamping assembly, so that it is at the position of the electrical terminal or outlet end. The cloth blocks the electrical terminal or the outlet of the electrical appliance, which avoids the electric shock problem caused by the misoperation of the staff when using it.

The purpose of the present utility model can be achieved by adopting the following technical solutions:

A switch cabinet with high safety performance includes a back panel, a second side panel mounted on one side of the front side of the back panel, and a first side panel mounted on the other side of the front side of the back panel, the second side panel The side of the inner wall away from the back plate is axially installed with a second sliding groove along the second side plate, and the inner side of the second sliding groove is provided with a first sliding groove axially installed along the second sliding groove. The outer side of the first sliding rod is sleeved with a plurality of sets of sliding electric shock insulating cloth components, and the inner wall of the first side plate away from the back plate is axially installed with a first side plate. a sliding groove, a second sliding rod is installed on the inner side of the first sliding groove along the axial direction of the first sliding groove, and a plurality of sets of sliding electric shocks are sleeved on the outer side of the second sliding rod A sliding contact insulating cloth snapping assembly in which the insulating cloth assemblies cooperate with each other, the inner wall of the second side plate is located between the second sliding groove and the back plate along the axial direction of the second side plate. A strip-shaped electrical beam fixing plate, the inner wall of the first side plate is also installed with a strip-shaped electrical beam fixing plate along the axial direction of the first side plate between the first sliding groove and the back plate. The strip-shaped electrical beam fixing plate is provided with slots at equal intervals along its axial direction, and the outer side of the strip-shaped electrical beam fixing plate is equally spaced along its axial direction with screw holes communicating with the slots. .

Preferably, a top plate is installed on the space formed by the back plate, the second side plate and the top of the first side plate, and four corners of the top of the top plate are welded with hanging rings, and the second side plate and a door panel is provided at the front of the first side panel, and an observation window is provided above the door panel.

Preferably, the sliding electric contact insulating cloth assembly includes a high temperature resistant insulating cloth placing groove located inside the second sliding groove and sliding outside the first sliding rod, and the inner side of the high temperature resistant insulating cloth placing groove is installed with A first sliding block in which the first sliding rods cooperate with each other, a first positioning plate is welded on the outer side of the first sliding rod, and a through hole is opened on the first positioning plate and is outside the second side plate There is also a through hole corresponding to the through hole, a second positioning screw is penetrated through the inner side of the through hole between the first positioning plate and the second side plate, and the bottom of the high temperature resistant insulating cloth is installed inside the groove. A fixing rod, the outer side of the fixing rod is provided with a mainspring, the inner side of the mainspring is provided with a high temperature resistant insulating cloth, and the high temperature resistant insulating cloth part is located on the outer side of the high temperature resistant insulating cloth placement groove, the An insulating insert is installed at the end of the high temperature insulating cloth which is located outside the high temperature resistant insulating cloth placing slot.

Preferably, the sliding contact insulating cloth engaging component includes a concave groove located inside the first sliding groove and sliding outside the second sliding rod, and the inner side of the concave groove is installed with the second sliding rod. For the second sliding block in which the sliding rods cooperate with each other, a limit spring is installed at one end of the inner side of the concave groove, a clamping rod is installed at the other end of the limit spring, and the inner side of the concave groove is opened with the concave groove The groove part is connected to a clamping hole, and the inner part of the clamping rod passing through the clamping hole is located in the groove part of the concave groove, a second positioning plate is installed on one side of the concave groove, and the Positioning through holes are opened on both sides of the second positioning plate, and positioning through holes are also opened on the outer side of the first side plate corresponding to the positioning through holes on the second positioning plate. The second positioning screw is fixed.

Preferably, a circular heat dissipation port is opened in the middle and lower part of the backplane, and a dehumidification and heat dissipation fan is installed on the inner side of the circular heat dissipation port, and both sides of the inner wall of the backplane are installed along the axial direction of the backplane. There is a fixing strip, the side of the fixing strip facing the circular heat dissipation port is installed with a third sliding groove along its axial direction, and the outer side of the third sliding groove is provided with positioning screw holes at equal intervals in the axial direction, so The inner side of the third sliding slot is provided with a sliding baffle that can slide inside the third sliding slot, and the top and bottom of the part of the sliding baffle located inside the third sliding slot are provided with positioning screw holes, so The third sliding slot and the sliding baffle are fixed by a fourth positioning screw penetrating the positioning screw hole.

Preferably, the bottoms of the second side panel and the first side panel are both vertically folded inward and installed with a C-shaped support frame, the top of the C-shaped support frame is provided with positioning holes at equal intervals, and the first The two side plates and the folded portion of the first side plate also have through holes at equal intervals, and the second side plate and the first side plate and the C-shaped support frame are fixed by a third positioning screw. The engagement of the nut is fixed.

Preferably, an electrical beam is installed on the inner side of the second side plate and the first side plate and on the strip-shaped electrical beam fixing plate, and two ends of one side of the electrical beam are welded with insertion rods, so The insertion rod is inserted through the inner side of the slot, and the insertion rod is fixed through the screw hole through the first positioning screw, and the screw hole faces the outer side of the second side plate or the first side plate , and the first positioning screw is also located on the outer side of the second side plate or the first side plate.

Preferably, a handle is installed at the middle position of the side of the sliding baffle facing the door panel, the outer side of the handle is covered with a protective cover, and the sliding baffle is made of high temperature resistant transparent plastic material.

Preferably, a door handle is installed at the middle position of the front side of the door panel, the outer side of the door handle is covered with a protective cover, and the observation window is also made of high temperature resistant transparent plastic material.

Preferably, the top panel, the first side panel, the second side panel, the back panel and the outer side and inner side of the door panel are all sprayed with anti-rust paint.

Beneficial technical effects of the present utility model:

The utility model provides a switch cabinet with high safety performance. The appropriate height is selected on the strip-shaped electric beam fixing plate by holding the electric beam, the insertion rod is inserted into the inner side of the slot, and the first positioning screw is twisted to make it It penetrates to the inside of the screw hole so that the end of the first positioning screw presses the insertion rod to fix it, so as to realize the fixation of the electrical beam. When it needs to be disassembled, turn the first positioning screw to make it first The pressure of the screw on the insertion rod is released, and then the insertion rod is pulled out from the slot, which realizes convenient disassembly. The height of the cloth clamping component makes it to the position of the electrical terminal or outlet. By pulling the high temperature resistant insulating cloth to the moving electric shock insulating cloth, the high temperature insulating cloth is clamped, and then the electrical appliance is wired through the high temperature resistant insulating cloth. The terminal or the outlet end is blocked, which avoids the electric shock problem caused by the misoperation of the staff when using it.

Description of drawings

1 is an exploded view of the overall three-dimensional structure of the device according to a preferred embodiment of a switch cabinet with high safety performance of the present invention;

2 is a schematic three-dimensional structural schematic diagram of a sliding anti-shock insulating cloth assembly and a sliding rod body assembly according to a preferred embodiment of a switch cabinet with high safety performance of the present invention;

3 is a schematic diagram of a three-dimensional structure of a sliding anti-shock insulating cloth engaging assembly and a sliding rod body assembly according to a preferred embodiment of a switch cabinet with high safety performance of the present invention;

4 is a perspective structural view of a sliding anti-electric shock insulating cloth assembly according to a preferred embodiment of a switch cabinet with high safety performance of the present invention;

5 is a perspective exploded view of a sliding anti-electric shock insulating cloth snap-fit assembly according to a preferred embodiment of a switch cabinet with high safety performance of the present invention;

6 is a perspective cross-sectional view of an electrical beam fixing assembly of a preferred embodiment of a switchgear with high safety performance according to the present invention;

7 is a schematic three-dimensional structure diagram of a C-shaped elevated rack according to a preferred embodiment of a switch cabinet with high safety performance according to the present invention;

8 is a schematic three-dimensional structural diagram of an electrical beam according to a preferred embodiment of a switchgear with high safety performance of the present invention;

FIG. 9 is an enlarged view of the structure at position A of a preferred embodiment of a switch cabinet with high safety performance according to the present invention;

FIG. 10 is an enlarged view of the structure at position B of a preferred embodiment of a switch cabinet with high safety performance according to the present invention;

11 is an enlarged view of the structure at position C of a preferred embodiment of a switch cabinet with high safety performance according to the present invention;

FIG. 12 is an enlarged view of the structure of a preferred embodiment of a switchgear with high safety performance according to the present invention at position D;

FIG. 13 is an enlarged view of the structure at position E of a preferred embodiment of a switch cabinet with high safety performance according to the present invention;

Fig. 14 is an enlarged view of the structure at position F of a preferred embodiment of a switch cabinet with high safety performance according to the present invention.

In the picture: 1-Top plate, 2-Back plate, 3-Sliding baffle plate, 4-Circular cooling port, 5-Fixing strip, 6-Dehumidification cooling fan, 7-Hanging ring, 8-First side plate, 9- Second side panel, 10-C-shaped support frame, 11-strip electrical beam fixing plate, 12-first sliding slot, 13-second sliding slot, 14-door panel, 15-observation window, 16-first sliding rod , 17-Second sliding rod, 18-Sliding anti-electric shock insulating cloth assembly, 19-Sliding anti-electric shock insulating cloth assembly, 20-Second slider, 21-Clamping rod, 22-Limiting spring, 23-Position Hole, 24-concave groove, 25-high temperature insulating cloth, 26-fixing rod, 27-spring, 28-first slider, 29-high temperature insulating cloth placement slot, 30-slot, 31-thread hole , 32-first positioning screw, 33-second positioning screw, 34-second positioning plate, 35-third positioning screw, 36-fixed nut, 37-positioning hole, 38-electrical beam, 39-insertion rod, 40 - the fourth positioning screw, 41 - the third sliding groove, 42 - the first positioning plate.

Detailed ways

In order to make the technical solutions of the present invention more clear and clear to those skilled in the art, the present invention will be described in further detail below with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in FIGS. 1-14 , a switch cabinet with high safety performance provided in this embodiment includes a backplane 2 , a second side board 9 installed on the front side of the backplane 2 , and a second side board 9 installed on the front side of the backplane 2 . One side of the first side plate 8 and the inner wall of the second side plate 9 away from the back plate 2 are axially installed with a second sliding groove 13 along the second side plate 9. A first sliding rod 16 is installed in the axial direction of the sliding groove 13 , and a plurality of sets of sliding electric shock insulating cloth components 19 are sleeved on the outer side of the first sliding rod 16 . A first sliding groove 12 is axially installed on the side plate 8 , and a second sliding rod 17 is installed on the inner side of the first sliding groove 12 along the axial direction of the first sliding groove 12 , and is sleeved on the outer side of the second sliding rod 17 There are a plurality of sets of sliding electric contact insulating cloth engaging assemblies 18 that cooperate with the sliding electric shock insulating cloth assembly 19. The inner wall of the second side plate 9 is located between the second sliding groove 13 and the back plate 2 along the axis of the second side plate 9. A strip-shaped electric beam fixing plate 11 is installed upward, and a strip-shaped electric beam is also installed on the inner wall of the first side plate 8 and located between the first sliding groove 12 and the back plate 2 along the axial direction of the first side plate 8 The fixing plate 11, the strip-shaped electric beam fixing plate 11 is provided with slots 30 at equal intervals along its axial direction, and the outer side of the strip-shaped electric beam fixing plate 11 is equally spaced along its axial direction with screw holes communicating with the slots 30 31.

Select an appropriate height on the bar-shaped electrical beam fixing plate 11 by holding the electrical beam 38, insert the insertion rod 39 into the inner side of the slot 30, and screw the first positioning screw 32 to penetrate into the inner side of the screw hole 31 to make it The end of the first positioning screw 32 presses and holds the insertion rod 39 to fix it, so as to realize the fixation of the electrical beam 38. When it needs to be disassembled, the first positioning screw 32 is rotated by twisting the first positioning screw 32. The pressing of the rod 39 is released, and then the insertion rod 39 is pulled out from the slot 30 to realize convenient disassembly. The height of the electric shock insulating cloth engaging component 18 is such that at the position of the electrical terminal or outlet, the high temperature resistant insulating cloth 25 is stuck by pulling the high temperature resistant insulating cloth 25 to the moving electric shock insulating cloth engaging component 18 and then passed through the The high-temperature insulating cloth 25 blocks the position of the electrical terminal or the outlet of the electrical appliance, so as to avoid the problem of electric shock caused by the misoperation of the staff during use.

In this embodiment, the top plate 1 is mounted on the space formed by the back plate 2 , the second side plate 9 and the top of the first side plate 8 , and the four corners of the top of the top plate 1 are welded with hanging rings 7 , and the second side plate 9 And a door panel 14 is provided at the front of the first side panel 8 , and an observation window 15 is provided above the door panel 14 .

The switch cabinet cavity is formed by the top plate 1, the back plate 2, the second side plate 9 and the first side plate 8. When the switch cabinet needs to be hung to a certain height, it is hung on the hanging ring 7 through hooks, and the switch is lifted by the hoist. The cabinet is hung to the corresponding position, and it is convenient to open and close through the door panel 14 and to realize convenient observation through the observation window 15 .

In this embodiment, the sliding electric shock insulating cloth assembly 19 includes a high temperature resistant insulating cloth placing groove 29 located inside the second sliding groove 13 and sliding on the outside of the first sliding rod 16. The inner side of the high temperature resistant insulating cloth placing groove 29 is installed with The first slider 28 of the first sliding rod 16 cooperates with each other. The outer side of the first slider 28 is welded with a first positioning plate 42 , and the first positioning plate 42 has a through hole and is connected to the outer side of the second side plate 9 with the first positioning plate 42 . There are also through holes corresponding to the through holes, a second positioning screw 33 runs through the inside of the through hole between the first positioning plate 42 and the second side plate 9, and a fixing rod 26 is installed at the bottom of the inner side of the heat-resistant insulating cloth placement groove 29. The outer side of the fixing rod 26 is provided with a spring 27, the inner side of the spring 27 is provided with a high temperature resistant insulating cloth 25, and the high temperature resistant insulating cloth 25 is partially located outside the high temperature resistant insulating cloth placement groove 29, and the high temperature resistant insulating cloth 25 is located in the high temperature resistant insulating cloth. An insulating insert is mounted on the outer end of the insulating cloth placement groove 29 .

By moving the first positioning plate 42 to a suitable height, the first positioning plate 42 is fixed by the second positioning screw 33, and the insulation is realized by pulling the high temperature resistant insulating cloth 25 to insert it into the inner side of the sliding electric shock insulating cloth engaging assembly 18 For isolation, the high temperature resistant insulating cloth 25 can be recovered under the reaction force of the spring 27 by pulling the high temperature resistant insulating cloth 25 in the reverse direction to make it disengage from the engagement of the sliding electric shock insulating cloth engaging assembly 18 .

In this embodiment, the sliding electric shock insulating cloth engaging component 18 includes a concave groove 24 located inside the first sliding groove 12 and sliding outside the second sliding rod 17 , and the inner side of the concave groove 24 is installed with the second sliding rod 17. The second sliding block 20 that cooperates with each other. One end of the inner side of the concave groove 24 is installed with a limit spring 22. The inner part of the clamping rod 21 passing through the clamping hole 23 is located in the groove part of the concave groove 24. One side of the concave groove 24 is installed with a second positioning plate 34, and the second positioning plate Positioning through holes are opened on both sides of 34 , and positioning through holes are also opened on the outside of the first side plate 8 corresponding to the positioning through holes on the second positioning plate 34 .

By moving the second positioning plate 34 to a height corresponding to the first positioning plate 42, it is fixed by the second positioning screw 33, and the high temperature resistant insulating cloth 25 is inserted into the inner side of the groove portion of the concave groove 24. Under the force of the spring 22 and the clamping rod 21 , it is inserted into the insulating insert on the high temperature resistant insulating cloth 25 to realize fixing.

In this embodiment, a circular heat dissipation port 4 is opened in the middle and lower part of the backplane 2 , and a dehumidification and heat dissipation fan 6 is installed inside the circular heat dissipation port 4 . A fixing bar 5 is installed, the side of the fixing bar 5 facing the circular heat dissipation port 4 is installed with a third sliding groove 41 along its axial direction, and the outer side of the third sliding groove 41 is provided with positioning screw holes at equal intervals in the axial direction. The inner side of the three sliding grooves 41 is provided with a sliding baffle 3 that can slide inside the third sliding groove 41 . The top and bottom of the sliding baffle 3 located inside the third sliding groove 41 are provided with positioning screw holes. The third sliding groove 41 and the sliding baffle 3 are fixed by the fourth positioning screw 40 through the positioning screw hole.

The circular heat dissipation port 4 is opened by moving the sliding baffle 3 upward, the fourth positioning screw 40 is used to pass through the positioning screw hole to fix the sliding baffle 3, and the dehumidification and heat dissipation fan 6 is activated to realize dehumidification and heat dissipation. Loosen the fourth positioning screw 40, move the sliding baffle 3 downward to block the circular cooling vent 4, and fix the sliding shutter 3 through the positioning screw hole through the fourth positioning screw 40 to seal the circular cooling vent 4.

In this embodiment, the bottoms of the second side plate 9 and the first side plate 8 are vertically folded inwards and are installed with a C-shaped support frame 10 , and the top of the C-shaped support frame 10 is provided with positioning holes 37 at equal intervals. The folded parts of the second side plate 9 and the first side plate 8 also have through holes at equal intervals, and the third positioning screw 35 and the fixing nut 36 pass between the second side plate 9 and the first side plate 8 and the C-shaped support frame 10 engagement is fixed.

When the position of the electrical appliance is too low and it is not convenient to go out, the C-shaped support frame 10 is installed on the bottom of the second side plate 9 and the first side plate 8 to realize the convenient erection of the switch cabinet, and the third positioning screw 35 is connected to the switch cabinet. The engagement of the fixing nut 36 is fixed, thereby realizing the convenient outlet.

In this embodiment, an electrical beam 38 is installed on the strip-shaped electrical beam fixing plate 11 and is located inside the second side plate 9 and the first side plate 8, and two ends of one side of the electrical beam 38 are welded with insertion rods 39. The insertion rod 39 is inserted through the inner side of the slot 30 and is fixed by the first positioning screw 32 through the screw hole 31. The screw hole 31 faces the outside of the second side plate 9 or the first side plate 8, and the first positioning The screw 32 is also located outside the second side plate 9 or the first side plate 8 .

In this embodiment, a handle is installed at the middle position of the side of the sliding baffle 3 facing the door panel 14 , the outer side of the handle is covered with a protective cover, and the sliding baffle 3 is made of high temperature resistant transparent plastic material.

In this embodiment, a door handle is installed at the middle position of the front side of the door panel 14 , the outer side of the door handle is covered with a protective cover, and the observation window 15 is also made of high temperature resistant transparent plastic material.

In this embodiment, the outer and inner sides of the top panel 1 , the first side panel 8 , the second side panel 9 , the back panel 2 and the door panel 14 are all sprayed with anti-rust paint.

The above are only further embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Equivalent replacement or modification of the technical solutions and their ideas all belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a cubical switchboard of high security performance which characterized in that: the electric shock insulation board comprises a back board (2), a door panel (14), a second side board (9) and a first side board (8), wherein the second side board (9) is installed on one side of the front face of the back board (2), the first side board (8) is installed on the other side of the front face of the back board (2), a second sliding groove (13) is axially installed on one side, far away from the back board (2), of the inner wall of the second side board (9), a first sliding rod (16) is axially installed on the second sliding groove (13), a plurality of groups of sliding electric shock insulation cloth assemblies (19) are sleeved on the outer side of the first sliding rod (16), a first sliding groove (12) is axially installed on one side, far away from the back board (2), of the inner wall of the first side board (8), and a second sliding rod (17) is axially installed on the first sliding groove (12), and a plurality of groups of sliding electric shock insulating cloth clamping assemblies (18) which are mutually matched with the sliding electric shock insulating cloth assemblies (19) are sleeved on the outer side of the second sliding rod (17), a strip-shaped electric beam fixing plate (11) is arranged on the inner wall of the second side plate (9) and between the second sliding groove (13) and the back plate (2) along the axial direction of the second side plate (9), a strip-shaped electric beam fixing plate (11) is also arranged on the inner wall of the first side plate (8) and between the first sliding groove (12) and the back plate (2) along the axial direction of the first side plate (8), the strip-shaped electric beam fixing plate (11) is provided with slots (30) at equal intervals along the axial direction, screw holes (31) communicated with the slots (30) are formed in the outer side of the strip-shaped electric beam fixing plate (11) at equal intervals along the axial direction of the electric beam fixing plate.

2. A high safety switch cabinet according to claim 1, characterized in that: the backboard (2) and the second side plate (9) and the first side plate (8) are installed with the top plate (1) in the space, hanging rings (7) are welded at four corners of the top plate (1), the second side plate (9) and the first side plate (8) are provided with the door plate (14) in the front, and the observation window (15) is arranged above the door plate (14).

3. A high safety switch cabinet according to claim 1, characterized in that: the sliding electric shock insulation cloth assembly (19) comprises a high-temperature-resistant insulation cloth placing groove (29) which is located on the inner side of the second sliding groove (13) and slides on the outer side of the first sliding rod (16), a first sliding block (28) matched with the first sliding rod (16) is installed on the inner side of the high-temperature-resistant insulation cloth placing groove (29), a first positioning plate (42) is welded on the outer side of the first sliding block (28), a through hole is formed in the first positioning plate (42), a through hole is also formed in the outer side of the second side plate (9) corresponding to the through hole, a second positioning screw rod (33) penetrates through the inner side of the through hole in the middle of the first positioning plate (42) and the second side plate (9), a fixing rod (26) is installed at the bottom of the inner side of the high-temperature-resistant insulation cloth placing groove (29), and a clockwork spring (27) is arranged on the outer side of the fixing rod (26, the inside of clockwork spring (27) is equipped with high temperature resistant insulating cloth (25), just high temperature resistant insulating cloth (25) part is located the outside of high temperature resistant insulating cloth standing groove (29), high temperature resistant insulating cloth (25) are located the tip in the outside of high temperature resistant insulating cloth standing groove (29) is installed and is insulated plug-in components.

4. A high safety switch cabinet according to claim 3, characterized in that: the sliding electric shock insulation cloth clamping assembly (18) comprises a concave groove (24) which is located on the inner side of a first sliding groove (12) and slides on the outer side of a second sliding rod (17), a second sliding block (20) which is matched with the second sliding rod (17) is installed on the inner side of the concave groove (24), a limiting spring (22) is installed at one end of the inner side of the concave groove (24), a clamping rod (21) is installed at the other end of the limiting spring (22), a clamping hole (23) communicated with the concave groove (24) is formed in the inner side of the concave groove (24), the clamping rod (21) penetrates through the inner side portion of the clamping hole (23) and is located on the concave groove (24), a second positioning plate (34) is installed on one side of the concave groove (24), positioning through holes are formed in two sides of the second positioning plate (34), and a side plate (8) is also formed in the position, corresponding to the positioning through holes in the second positioning plate (34), where the outer side of the first positioning plate (8) is The inner side of the positioning through hole is fixed through the second positioning screw rod (33).

5. A high safety switch cabinet according to claim 1, characterized in that: a circular heat dissipation port (4) is arranged at the middle lower part of the back plate (2), a dehumidification heat dissipation fan (6) is arranged at the inner side of the circular heat dissipation port (4), fixing strips (5) are arranged on two sides of the inner wall of the back plate (2) along the axial direction of the back plate (2), a third sliding groove (41) is arranged on one side of the fixing strip (5) facing the circular heat dissipation opening (4) along the axial direction of the fixing strip, positioning screw holes are arranged on the outer side of the third sliding groove (41) at equal intervals in the axial direction, a sliding baffle (3) capable of sliding on the inner side of the third sliding groove (41) is arranged on the inner side of the third sliding groove (41), the top and the bottom of the part of the sliding baffle (3) which is positioned at the inner side of the third sliding groove (41) are both provided with positioning screw holes, the third sliding groove (41) and the sliding baffle (3) are fixed through a fourth positioning screw (40) penetrating through a positioning screw hole.

6. A high safety switch cabinet according to claim 1, characterized in that: second curb plate (9) with the bottom of first curb plate (8) all turns over the book inwards perpendicularly and installs C shape support frame (10), the equidistant locating hole (37) of opening in top of C shape support frame (10), second curb plate (9) with first curb plate (8) turn over the equidistant through-hole that also opens of portion, second curb plate (9) with first curb plate (8) with fix through the meshing of third positioning screw (35) and fixation nut (36) between C shape support frame (10).

7. A high safety switch cabinet according to claim 1, characterized in that: be located second curb plate (9) with the inboard of first curb plate (8) just is in install electric beam (38) on bar electric beam fixed plate (11), the both ends welding of electric beam (38) one side has inserted bar (39), inserted bar (39) run through insert extremely the inboard of slot (30) and run through first positioning screw (32) screw (31) will inserted bar (39) are fixed, screw (31) towards second curb plate (9) or the outside of first curb plate (8), just first positioning screw (32) also are located second curb plate (9) or the outside of first curb plate (8).

8. A high safety switch cabinet according to claim 5, characterized in that: the sliding baffle (3) faces to the middle position of one side of the door plate (14), a handle is installed at the position of the middle of the one side of the door plate, a protective sleeve is sleeved on the outer side of the handle, and the sliding baffle (3) is made of high-temperature-resistant transparent plastic materials.

9. A high safety switch cabinet according to claim 2, characterized in that: the door is characterized in that a door opening handle is installed in the middle of one side of the front face of the door plate (14), a protective sleeve is sleeved on the outer side of the door opening handle, and the observation window (15) is also made of high-temperature-resistant transparent plastic materials.

10. A high safety switch cabinet according to claim 2, characterized in that: the outer side and the inner side of the top plate (1), the first side plate (8), the second side plate (9), the back plate (2) and the door plate (14) are all sprayed with antirust paint.

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