CN215267156U

CN215267156U - Five-prevention interlocking device of high-voltage switch cabinet

Info

Publication number: CN215267156U
Application number: CN202120949953.8U
Authority: CN
Inventors: 刘斌
Original assignee: Zhengzhou Tongyuan Electric Co ltd
Current assignee: Zhengzhou Tongyuan Electric Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-21
Anticipated expiration: 2031-05-06

Abstract

The utility model provides a five-prevention interlocking device of high tension switchgear belongs to high tension switchgear technical field, and this five-prevention interlocking device of high tension switchgear is including installing the cabinet door on high tension switchgear and installing the partition switch main part at cabinet door inner wall, and the fixed surface of cabinet door is connected with the protecting box, and one side of protecting box inner wall is run through and is had first dwang, and the one end that first dwang is close to cabinet door inner wall is provided with first interlocking device, and the opposite side of protecting box inner wall is run through and is had the second dwang. This interlocking device is prevented to high tension switchgear five times, when needing to open the cabinet door, rotate the second dwang, drive the guard plate through actuating mechanism and remove in the protective housing and show out first dwang, the second dwang drives the second interlocking device simultaneously and connects through cutting off switch main part disconnection high tension switchgear, opens the operation in-process at the cabinet door and realizes in advance that the wall is connected, the effectual safe in utilization who ensures among the staff operation process.

Description

Five-prevention interlocking device of high-voltage switch cabinet

Technical Field

The utility model belongs to the technical field of high tension switchgear, concretely relates to high tension switchgear five-prevention interlock.

Background

With the continuous development of national intelligent power networks, higher requirements are put forward on the aspects of product reliability, high quality, miniaturization, intellectualization, environmental protection, maintenance-free and the like, and meanwhile, strict requirements are made on the misoperation prevention of the switching equipment for operation maintenance and personal safety of operators, so that the high-voltage switching equipment is required to have perfect 'five-prevention' measures, namely (1) the operation of preventing the switching on and off of a circuit breaker by mistake; (2) the isolating switch is prevented from being switched on and off by mistake when the load is carried; (3) preventing people from entering the electrified interval by mistake; (4) an anti-electrification switch; (5) the switch-on position of the grounding switch is prevented from transmitting power, so that domestic high-voltage switch cabinet production enterprises develop and design a plurality of different interlocking devices according to the actual production conditions of the enterprises.

At present traditional five prevent interlock when using, because structural function is single, lead to the stable relatively poor of protection of device, receive the damage that the erosion and collision caused the device easily in outdoor use and became invalid, improved the maintenance use cost, the fail safe nature that the device used moreover obtains effective guarantee, brings the potential safety hazard for the staff to can not effectually avoid the maloperation in staff's operation process, the safety warning performance is lower, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a five-prevention interlocking device of high tension switchgear aims at solving the problem that five-prevention interlocking device among the prior art protection reliability is poor, safety warning performance is low.

In order to achieve the above object, the utility model provides a following technical scheme: a five-prevention interlocking device of a high-voltage switch cabinet comprises a cabinet door arranged on the high-voltage switch cabinet and a partition switch main body arranged on the inner wall of the cabinet door, wherein a protective box is fixedly connected to the outer surface of the cabinet door, a first rotating rod penetrates through one side of the inner wall of the protective box, a first interlocking device is arranged at one end, close to the inner wall of the cabinet door, of the first rotating rod, a second rotating rod penetrates through the other side of the inner wall of the protective box, a second interlocking device matched with the first interlocking device is arranged at one end, close to the inner wall of the cabinet door, of the second rotating rod, a driving mechanism is arranged at the other end of the second rotating rod, a protective plate used for shielding the first rotating rod is arranged at the movable end of the driving mechanism, a partition plate used for forming a sealed cavity inside the protective box is fixedly connected to the inner wall of the protective box, and one end of the second rotating rod penetrates through the outer surface of the partition plate, and the outer surface of the partition plate corresponding to the first rotating rod is provided with an enabling mechanism.

In order to make this five effects of preventing interlock of high tension switchgear reach and can ensure to cut off the reliability, as the utility model relates to an it is preferred, first interlock includes the first fixed block of fixed connection in first rotation pole one end, the first bracing piece of last fixed surface fixedly connected with of first fixed block, the lower fixed surface of first bracing piece install with cut off the first wall switch of switch bulk phase adaptation.

In order to make this five-prevention interlocking device of high tension switchgear reach and control simple and convenient effect more, conduct the utility model relates to a preferred, first interlocking device still includes fixed connection at the first gear of first rotation pole surface and the fixed frame of fixed connection in cabinet door inner wall edge, the spread groove has been seted up to the upper surface of fixed frame, the inner wall swing joint of fixed frame has first rack, first gear passes through the spread groove and is connected with first rack toothing, the one end fixedly connected with tapered end that is close to cabinet door edge of first rack, just the tapered end uses with the lock body cooperation of installing on high tension switchgear.

In order to make this five effects of preventing interlock guarantee to cut off stable security of high tension switchgear, as the utility model relates to an it is preferred, the second interlock includes the second fixed block of fixed connection in second dwang one end, the last fixed surface of second fixed block is connected with the second bracing piece, the lower fixed surface of second bracing piece install with cut off the second of switch bulk phase adaptation and cut off the switch.

In order to make this five effects of preventing interlock of high tension switchgear reach the effect that improves safety protection performance, as the utility model relates to an it is preferred, the one end fixedly connected with second installation pole of second bracing piece, the one end fixed mounting of second installation pole has the protection switch main part that is used for the intercommunication second to cut off the switch, the first installation pole of one end fixedly connected with of first bracing piece, the one end fixed mounting of first installation pole has the wall protection switch with protection switch main part looks adaptation.

In order to make this five prevent interlock of high tension switchgear reach the effect that improves safety warning performance, as the utility model relates to an it is preferred, actuating mechanism is located including the guided way of difference fixed connection roof and interior diapire in the protective housing and the second gear of fixed connection at second dwang surface guided way sliding connection of roof has the second rack in the protective housing, just the second rack is connected with the meshing of second gear, the through-hole that is used for the second rack to remove is offered to the surface that the protective housing corresponds the second rack, two sliding connection has the mounting bar between the guided way, and one of them the one end fixed connection of mounting bar and second rack, pass through bolt and guard plate fixed connection between the mounting bar.

In order to make this five-prevention interlocking device of high tension switchgear reach the effect of guarantee safety in utilization, as the utility model relates to an it is preferred, launch the mechanism including seting up the launching groove at the baffle surface, the edge that launches inslot wall has the launching door through hinge swing joint, the edge fixed mounting who launches the door surface has the lock, the outer fixed surface who launches the door is connected with the handle.

In order to make this five prevent interlock of high tension switchgear reach and control simpler efficient effect, conduct the utility model relates to an it is preferred, first dwang and second dwang are located the equal fixedly connected with rotation wheel of the inside one end of protective housing.

In order to make this five-prevention interlocking device of high tension switchgear reach the effect that improves adaptive environment's performance, as the utility model relates to an it is preferred, the edge of protective housing inner wall both sides all has the chamber door through hinge swing joint, the fixed surface of chamber door is connected with the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the cabinet door needs to be opened, the second rotating rod is rotated, the protective plate is driven by the driving mechanism to move in the protective box to expose the first rotating rod, meanwhile, the second rotating rod drives the second interlocking device to break the connection of the high-voltage switch cabinet through the partition switch main body, the partition connection is realized in advance in the cabinet door opening operation process, the use safety of workers in the operation process is effectively guaranteed, then the starting mechanism is opened to rotate the first rotating rod to drive the first interlocking device to further break the connection of the high-voltage switch cabinet through the partition switch main body, so that the double partition connection is realized, the high-voltage switch cabinet can be completely separated and connected, the safety reliability of the five-prevention interlocking device in use is effectively improved, the personal safety of workers is guaranteed, and the first interlocking device and the second interlocking device are respectively driven by the first rotating rod and the second rotating rod, the support stability in the effectual improvement use, protection nature when simultaneously can ensure the device use through protective housing and baffle to avoid damaging the potential safety hazard that the inefficacy brought, the safety in utilization is higher, then when first rotation pole drives first interlock, through first gear drive first rack removal, thereby drive the tapered end and leave the lock body of installing on high tension switchgear, then open the cabinet door, the operation is simple more high-efficient, the practicality is stronger.

2. This interlocking device is prevented to high tension switchgear five times, when needing to close the cabinet door, restore cabinet door position, then reset first interlocking device through first dwang, realize high tension switchgear's preliminary connection, lock the cabinet door simultaneously, then close and launch the mechanism, rotate the second dwang and reset second interlocking device, accomplish high tension switchgear's complete connection, reset the guard plate through actuating mechanism simultaneously, guarantee the protection security in the interlocking device use of preventing five times, through first dwang, actuating mechanism and second dwang can strict norm staff cubical switchboard door's operation sequence, ensure that each step of operation reaches the safety requirement, the effectual maloperation of avoiding the staff, safety warning performance is higher.

3. This five-prevention interlocking device of high tension switchgear, when needing urgent maintenance in the device use, open and enable mechanism and can dismantle the guard plate fast, then rotate first rotation pole and drive the connection that first interlocking device cuts off high tension switchgear, drive simultaneously and cut off protection switch and protection switch main part disconnection, thereby cut off the connection of second interlock, realize dual connection of cutting off equally, then open the cabinet door and carry out maintenance work, the safety protection performance when effectual improvement five-prevention interlocking device uses, the work safety during guarantee maintenance, it is more nimble convenient to use, the practicality is stronger.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the structure of the embodiment of the present invention;

fig. 2 is a schematic rear view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a protective housing according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a protection plate according to an embodiment of the present invention

FIG. 5 is a schematic view of the driving mechanism according to an embodiment of the present invention

FIG. 6 is a schematic view of a first gear structure according to an embodiment of the present invention

Fig. 7 is a schematic view of a second interlock arrangement according to an embodiment of the present invention.

In the figure: 1. a cabinet door; 2. a partition switch main body; 3. a protective box; 4. a first rotating lever; 5. a second rotating lever; 6. a protection plate; 7. a partition plate; 8. an activation mechanism; 9. a first fixed block; 10. a first support bar; 11. a first blocking switch; 12. a first gear; 13. a fixing frame; 14. connecting grooves; 15. a first rack; 16. a lock head; 17. a second fixed block; 18. a second support bar; 19. a second cut-off switch; 20. a second mounting bar; 21. a protection switch main body; 22. a first mounting bar; 23. a cut-off protection switch; 24. a guide rail; 25. a second gear; 26. a second rack; 27. mounting a bar; 28. enabling the door; 29. a door lock; 30. a handle; 31. a rotating wheel; 32. a box door; 33. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a five-prevention interlocking device of a high-voltage switch cabinet comprises a cabinet door 1 installed on the high-voltage switch cabinet and a partition switch main body 2 installed on the inner wall of the cabinet door 1, wherein a protective box 3 is fixedly connected to the outer surface of the cabinet door 1, a first rotating rod 4 penetrates through one side of the inner wall of the protective box 3, a first interlocking device is arranged at one end, close to the inner wall of the cabinet door 1, of the first rotating rod 4, a second rotating rod 5 penetrates through the other side of the inner wall of the protective box 3, a second interlocking device matched with the first interlocking device is arranged at one end, close to the inner wall of the cabinet door 1, of the second rotating rod 5, a driving mechanism is arranged at the other end of the second rotating rod 5, a protective plate 6 used for shielding the first rotating rod 4 is arranged at the movable end of the driving mechanism, a partition plate 7 used for forming a sealed cavity inside the protective box 3 is fixedly connected to the inner wall, close to the driving mechanism, and one end of the second rotating rod 5 penetrates through the outer surface of the partition plate 7, the partition 7 is provided with an activation mechanism 8 corresponding to the outer surface of the first rotating rod 4.

In the embodiment of the utility model, when the five-prevention interlocking device is used and the cabinet door 1 needs to be opened, the second rotating rod 5 is rotated to drive the protection plate 6 to move in the protection box 3 through the driving mechanism to expose the first rotating rod 4, meanwhile, the second rotating rod 5 drives the second interlocking device to disconnect the high-voltage switch cabinet through the partition switch main body 2, the partition connection is realized in advance in the opening operation process of the cabinet door 1, the use safety of workers in the operation process is effectively ensured, then the starting mechanism 8 is opened to rotate the first rotating rod 4 to drive the first interlocking device to further disconnect the high-voltage switch cabinet through the partition switch main body 2, thereby realizing the double partition connection, ensuring the high-voltage switch cabinet to completely partition the connection, effectively improving the safety and reliability of the five-prevention interlocking device when in use, and ensuring the personal safety of the workers, and the first interlocking device and the second interlocking device are respectively driven by the first rotating rod 4 and the second rotating rod 5, the supporting stability in the using process is effectively improved, meanwhile, the protection performance of the device in the using process can be guaranteed by the protective box 3 and the partition plate 7, so that the potential safety hazard caused by damage failure is avoided, the using safety is higher, then the first rotating rod 4 drives the first interlocking device and simultaneously drives the first rack 15 to move through the first gear 12, so as to drive the lock head 16 to leave the lock body arranged on the high-voltage switch cabinet, then the cabinet door 1 is opened, the operation is simpler and more efficient, when the cabinet door 1 needs to be closed, the position of the cabinet door 1 is restored, then the first interlocking device is reset through the first rotating rod 4, the primary connection of the high-voltage switch cabinet is realized, the cabinet door 1 is locked, then the starting mechanism 8 is closed, and the second interlocking device is reset by rotating the second rotating rod 5, accomplish high tension switchgear's complete connection, reset protection plate 6 through actuating mechanism simultaneously, guarantee the protection security in the five-prevention interlocking device use, through first dwang 4, actuating mechanism and second dwang 5 can strict standard staff cubical switchboard door 1's operation order, ensure that every step of operation reaches the safety requirement, the effectual maloperation of avoiding the staff, the safety warning performance is higher, when needing urgent maintenance in the device use, open and launch mechanism 8 and can dismantle protection plate 6 fast, then rotate first dwang 4 and cut off opening cabinet door 1 when connecting, the safety protection performance when effectual improvement five-prevention interlocking device uses, the safety in work when guarantee maintenance, it is nimble more convenient to use, the practicality is stronger.

Specifically, first interlock includes the first fixed block 9 of fixed connection in 4 one ends of first rotation pole, the last fixed surface of first fixed block 9 is connected with first bracing piece 10, the lower fixed surface of first bracing piece 10 installs the first wall switch 11 with wall switch main part 2 looks adaptation, first rotation pole 4 rotates and drives first bracing piece 10 through first fixed block 9 and rotates, then drive first wall switch 11 disconnection and wall switch main part 2 be connected, the secondary through first wall switch 11 cuts off the connection, wall high-pressure connection that can be thorough, thereby guarantee the safety when high tension switchgear uses, it is convenient and reliable more to use.

Further, first interlock still includes fixed connection at the first gear 12 of 4 surfaces of first rotation pole and the fixed frame 13 of fixed connection at 1 inner wall edge of cabinet door, spread groove 14 has been seted up to the upper surface of fixed frame 13, the inner wall swing joint of fixed frame 13 has first rack 15, first gear 12 passes through spread groove 14 and is connected with the meshing of first rack 15, the one end fixedly connected with tapered end 16 that is close to 1 edge of cabinet door of first rack 15, and tapered end 16 uses with the lock body cooperation of installing on high-voltage switch cabinet, when rotating first rotation pole 4, move in fixed frame 13 through first gear 12 drive first rack 15, thereby drive tapered end 16 shifts out the lock body of installing on high-voltage switch cabinet, can be quick when cutting off the connection open cabinet door 1, the operation is more simple and convenient.

Specifically, the second interlock includes the second fixed block 17 of fixed connection in 5 one ends of second dwang, the last fixed surface of second fixed block 17 is connected with second bracing piece 18, the lower fixed surface of second bracing piece 18 installs the second with wall switch main part 2 looks adaptation cuts off switch 19, second dwang 5 rotates and drives second bracing piece 18 through second fixed block 17 and rotates, then drive the second and cut off switch 19 disconnection and cut off switch main part 2 and be connected, cut off the connection of high tension switchgear before opening cabinet door 1, the safety stability that the guarantee high tension switchgear cuts off, thereby guarantee staff's work safety.

Specifically, one end fixedly connected with second installation pole 20 of second bracing piece 18, the one end fixed mounting of second installation pole 20 has protection switch main part 21 that is used for communicateing second partition switch 19, the first installation pole 22 of one end fixedly connected with of first bracing piece 10, the one end fixed mounting of first installation pole 22 has the partition protection switch 23 with protection switch main part 21 looks adaptation, the intercommunication of second partition switch 19 is realized through the intercommunication that separates protection switch 23 and protection switch main part 21, when first partition switch 11 damages the inefficacy, connect through the partition of second partition switch 19, can ensure high-tension switchgear thorough disconnection equally, thereby the safety protection performance when effectual improvement five prevent interlock uses, reliable stability when guaranteeing to use, be convenient for the maintenance of device, it is more convenient to use.

Specifically, the driving mechanism comprises guide rails 24 fixedly connected to the inner top wall and the inner bottom wall of the protection box 3 respectively, and a second gear 25 fixedly connected to the outer surface of the second rotating rod 5, the guide rail 24 located on the inner top wall of the protection box 3 is connected with a second rack 26 in a sliding manner, the second rack 26 is meshed with the second gear 25, a through hole for moving the second rack 26 is formed in the outer surface of the protection box 3 corresponding to the second rack 26, a mounting bar 27 is connected between the two guide rails 24 in a sliding manner, one of the mounting bars 27 is fixedly connected with one end of the second rack 26, the mounting bars 27 are fixedly connected with the protection plate 6 through bolts, when the second rotating rod 5 is rotated, the second rack 26 is driven to move through the second gear 25, one end of the second rack 26 is moved out of the protection box 3, the other end of the second rack 26 drives the mounting bar 27 to move in the guide rail 24, so as to drive the protection plate 6 to move along the guide rail 24 to expose the first rotating rod 4, the high tension switchgear can the disconnection before having ensured to open cabinet door 1, simultaneously the effectual maloperation of having avoided the staff, the priority order of five protection interlock operations of guarantee to effectual safety warning performance that improves the use, guarantee staff's work safety, when the device damages needs urgent maintenance, can dismantle guard plate 6 fast moreover, then drive tapered end 16 through second dwang 5 and open cabinet door 1, it is nimble more convenient to use.

Specifically, launch mechanism 8 is including seting up the groove of launching at baffle 7 surface, the edge that launches the inslot wall has launch door 28 through hinge swing joint, the edge fixed mounting who launches door 28 surface has lock 29, the external fixed surface who launches door 28 is connected with handle 30, the staff unblanks through lock 29 earlier, then launch door 28 through handle 30 opening, the first pivot pole 4 of operation use, launch mechanism 8's setting on baffle 7, when the sealed protective effect of guarantee protecting box 3, the operation is safe and convenient more, and when needing the maintenance, can directly dismantle guard plate 6 through launching mechanism 8 and carry out maintenance work, and is more convenient to use, safety protection nature is higher.

Specifically, first dwang 4 and second dwang 5 are located the equal fixedly connected with of the inside one end of protective housing 3 and rotate wheel 31, rotate first dwang 4 and second dwang 5 through rotating wheel 31, and cubical switchboard door 1 that can be quick controls simple high efficiency more, is favorable to improving work efficiency.

Specifically, the edges of the two sides of the inner wall of the protective box 3 are both movably connected with a box door 32 through hinges, the outer surface of the box door 32 is fixedly connected with a handle 33, the box door 32 is opened and closed through the handle 33, the use is more convenient, the normal use of the device in different outdoor environments can be guaranteed, and the improvement of the use flexibility of the device is facilitated.

It should be noted that, in the following description,

the mechanical structure and operation principle of the device of the partition switch main body 2 and the protection switch main body 21 are prior art, so the detailed mechanical structure and operation principle are not described in detail herein.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a five prevent interlock of high tension switchgear, is including installing cabinet door (1) on high tension switchgear and installing wall switch main part (2) at cabinet door (1) inner wall, its characterized in that: the outer surface of the cabinet door (1) is fixedly connected with a protective box (3), one side of the inner wall of the protective box (3) is penetrated with a first rotating rod (4), one end of the first rotating rod (4) close to the inner wall of the cabinet door (1) is provided with a first interlocking device, the other side of the inner wall of the protective box (3) is penetrated with a second rotating rod (5), one end of the second rotating rod (5) close to the inner wall of the cabinet door (1) is provided with a second interlocking device matched with the first interlocking device, the other end of the second rotating rod (5) is provided with a driving mechanism, the movable end of the driving mechanism is provided with a protective plate (6) used for shielding the first rotating rod (4), the inner wall of the protective box (3) close to the driving mechanism is fixedly connected with a partition plate (7) used for forming a sealed cavity in the protective box (3), and one end of the second rotating rod (5) penetrates through the outer surface of the partition plate (7), and the partition plate (7) is provided with an enabling mechanism (8) corresponding to the outer surface of the first rotating rod (4).

2. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 1, characterized in that: first interlock includes first fixed block (9) of fixed connection in first pivot pole (4) one end, the last fixed surface of first fixed block (9) is connected with first bracing piece (10), the lower fixed surface of first bracing piece (10) install with cut off first wall switch (11) that cut off switch main part (2) looks adaptation.

3. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 2, characterized in that: first interlock still includes fixed connection at the fixed frame (13) of first gear (12) and fixed connection at cabinet door (1) inner wall edge of first pivot pole (4) surface, spread groove (14) have been seted up to the upper surface of fixed frame (13), the inner wall swing joint of fixed frame (13) has first rack (15), first gear (12) are connected with first rack (15) meshing through spread groove (14), the one end fixedly connected with tapered end (16) that is close to cabinet door (1) edge of first rack (15), just tapered end (16) are used with the lock body cooperation of installing on high tension switchgear.

4. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 3, characterized in that: the second interlock includes second fixed block (17) of fixed connection in second dwang (5) one end, the last fixed surface of second fixed block (17) is connected with second bracing piece (18), the lower fixed surface of second bracing piece (18) install with cut off second wall switch (19) that cuts off switch main part (2) looks adaptation.

5. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 4, characterized in that: the one end fixedly connected with second installation pole (20) of second bracing piece (18), the one end fixed mounting of second installation pole (20) has protection switch main part (21) that are used for communicateing second partition switch (19), the first installation pole (22) of one end fixedly connected with of first bracing piece (10), the one end fixed mounting of first installation pole (22) has partition protection switch (23) with protection switch main part (21) looks adaptation.

6. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 1, characterized in that: actuating mechanism is including guided way (24) of roof and interior diapire in protective housing (3) and second gear (25) of fixed connection at second dwang (5) surface respectively fixed connection, is located guided way (24) sliding connection of roof has second rack (26) in protective housing (3), just second rack (26) are connected with second gear (25) meshing, the through-hole that is used for second rack (26) to remove is offered to the surface that protective housing (3) correspond second rack (26), two sliding connection has mounting bar (27) between guided way (24), and one of them mounting bar (27) and the one end fixed connection of second rack (26), through bolt and guard plate (6) fixed connection between mounting bar (27).

7. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 1, characterized in that: the starting mechanism (8) comprises a starting groove formed in the outer surface of the partition plate (7), the edge of the starting groove inner wall is connected with a starting door (28) through a hinge in a movable mode, a door lock (29) is fixedly installed at the edge of the outer surface of the starting door (28), and a handle (30) is fixedly connected to the outer surface of the starting door (28).

8. The five-prevention interlocking device of the high-voltage switch cabinet as claimed in claim 1, characterized in that: first dwang (4) and second dwang (5) are located the equal fixedly connected with of one end of guard box (3) inside and rotate wheel (31).

9. The high-voltage switch cabinet five-prevention interlocking device according to any one of claims 1 to 8, characterized in that: the edge of protection box (3) inner wall both sides all has chamber door (32) through hinge swing joint, the surface fixed connection of chamber door (32) has handle (33).