CN214543091U - Interlocking structure for high-voltage switch cabinet - Google Patents
Interlocking structure for high-voltage switch cabinet Download PDFInfo
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- CN214543091U CN214543091U CN202120061030.9U CN202120061030U CN214543091U CN 214543091 U CN214543091 U CN 214543091U CN 202120061030 U CN202120061030 U CN 202120061030U CN 214543091 U CN214543091 U CN 214543091U
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Abstract
The utility model discloses an interlocking structure for high tension switchgear belongs to high-voltage electrical equipment technical field, the power distribution box comprises a box body, the inner wall welding of box has the bottom plate, the surface of bottom plate articulates there are qianmen and back door, the surface of box is through screw fixedly connected with pulley. When the qianmen is opened, through wire rope pulling traction block, traction block passes through the actuating lever and drives the connecting plate removal, drive rack synchronous motion when the connecting plate removes, drive the surface movement of locking plate at the threaded rod through rack and gear, thereby make the locking plate be connected with the locking seat and lock the back door, the locking of back door when having realized the qianmen and opening, need not to install the clear lock on the back door, maintainer's work burden has been reduced, the interlocking of qianmen with the back door has been realized through actuating mechanism and locking mechanical system, effectively prevent maintainer back door that staggers.
Description
Technical Field
The utility model relates to a high-voltage electrical equipment technical field specifically is an interlocking structure for high tension switchgear.
Background
In high-voltage switchgear assemblies, in order to prevent misoperation and mistaken entering of an electrified interval, the safety interlocking is usually completed by changing different keys by a program lock, in order to prevent an operator from mistakenly entering the electrified switch cabinet, the front door and the rear door of the switch cabinet are required to be strictly closed and opened according to a specified program, and when the door is closed, the rear door of the switch cabinet is firstly closed, and then the front door of the switch cabinet is closed; when the door is opened, the operation is carried out according to the reverse operation sequence, but because the program lock is troublesome to operate and slow to unlock, a plurality of substations are unwilling to adopt, and the mechanical simple five-prevention interlocking is generally adopted at present;
however, the mechanism cannot be directly interlocked with the rear protective door of the switch cabinet, so that the rear protective door can only be prevented from being mistakenly inserted by hanging an open lock, but the rear door is possibly mistakenly inserted into an adjacent electrified cabinet due to staggering of operation and maintenance personnel, personal and equipment accidents are caused, the process of unlocking is troublesome, a key is required to be kept, and the uncontrollable factor is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interlocking structure for high tension switchgear pulls the piece through wire rope pulling, pulls the piece and passes through the actuating lever and drive the connecting plate removal, drives rack synchronous motion when the connecting plate removes, drives the surface movement of locking plate at the threaded rod through rack and gear to make the lockplate be connected with the locking seat and lock the back door, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interlocking structure for high tension switchgear, includes the box, the inner wall welding of box has the bottom plate, the surface of bottom plate articulates there are qianmen and back door, screw fixedly connected with pulley is passed through on the surface of box, the surface mounting of box has the flange, the fixed surface of qianmen has wire rope, wire rope overlap joint in the surface of gyro wheel, the surface of flange is provided with locking mechanical system, the surface of qianmen is provided with stop gear.
Preferably, locking mechanical system includes threaded rod, fixing base, lockplate and locking seat, two sets of fixing bases of screw fixedly connected with are passed through on the surface of box, the one end of threaded rod is rotated and is connected in the surface of flange, the threaded rod runs through in the inside of one of them set of fixing base, the threaded rod rotates the surface of connecting in another set of fixing base, the outer wall threaded connection of threaded rod has the lockplate, the lockplate sets up to L type structure, the surface mounting of back door has the locking seat, the one end of lockplate is pegged graft in the inside of locking seat, the surface of flange is provided with actuating mechanism, wire rope's one end is fixed in actuating mechanism's inside.
Preferably, the locking plate is arranged between two groups of fixing seats, an upright post is fixed between the two groups of fixing seats, and the upright post penetrates through the surface of the locking plate.
Preferably, the driving mechanism comprises a slide rail, a traction block, a driving rod, a shell, a gear, a rack, a chute, a connecting plate and a locking spring, a slide rail and a shell are fixed on the surface of the flange, a traction block is fixed on the surface of the slide rail slide block, one end of the traction block is fixed with a driving rod which is inserted in the shell, one end of the driving rod is fixed with a connecting plate, a locking spring is fixed on the surface of the connecting plate, one end of the locking spring is fixed on the inner wall of the shell, a clapboard is integrally formed inside the shell, the surface of the clapboard is provided with a chute, the connecting plate is movably connected with the inner wall of the chute, the surface mounting of connecting plate has the mounting panel, the surface of mounting panel is through screw fixedly connected with rack, the surface mounting of threaded rod has the gear, gear and rack intermeshing.
Preferably, the surface of qianmen is provided with stop gear, the surface mounting of qianmen has the gag lever post, the one end of gag lever post is fixed with the spliced pole, the spliced pole sets up to hollow structure, the bottom of spliced pole inner chamber is fixed with positioning spring, positioning spring's one end is fixed in the bottom of locating lever, the locating lever is pegged graft in the inside of spliced pole, the surface of box seted up with locating lever assorted spacing groove, the through-hole has been seted up on the surface of spacing groove.
Preferably, the one end integrated into one piece of locating lever has the release link, positioning spring cup joints in the outer wall of release link, the release link runs through in the surface of spliced pole and gag lever post.
Compared with the prior art, the beneficial effects of the utility model are that:
when the qianmen is opened, through wire rope pulling traction block, traction block passes through the actuating lever and drives the connecting plate removal, drive rack synchronous motion when the connecting plate removes, drive the surface movement of locking plate at the threaded rod through rack and gear, thereby make the locking plate be connected with the locking seat and lock the back door, the locking of back door when having realized the qianmen and opening, need not to install the clear lock on the back door, maintainer's work burden has been reduced, the interlocking of qianmen with the back door has been realized through actuating mechanism and locking mechanical system, effectively prevent maintainer back door that staggers.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of a region B in FIG. 1 according to the present invention;
fig. 4 is a schematic sectional structural view of the housing of the present invention;
fig. 5 is a schematic view of the sectional structure of the connecting column of the present invention.
In the figure: 1. a limiting rod; 2. a limiting groove; 3. a pulley; 4. a wire rope; 5. a front door; 6. a rear door; 7. a box body; 8. blocking edges; 9. a slide rail; 10. a traction block; 11. a drive rod; 12. a housing; 13. a gear; 14. a threaded rod; 15. a fixed seat; 16. a locking plate; 17. a locking seat; 18. a rack; 19. a chute; 20. a connecting plate; 21. a locking spring; 22. positioning a rod; 23. connecting columns; 24. a positioning spring; 25. a reset rod.
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 to 5, the present invention provides a technical solution: an interlocking structure for a high-voltage switch cabinet comprises a box body 7;
a bottom plate is welded on the inner wall of the box body 7, a front door 5 and a rear door 6 are hinged to the surface of the bottom plate, a pulley 3 is fixedly connected to the surface of the box body 7 through a screw, a flange 8 is mounted on the surface of the box body 7, a steel wire rope 4 is fixed to the surface of the front door 5, the steel wire rope 4 is lapped on the surface of a roller, a locking mechanism is arranged on the surface of the flange 8, a limiting mechanism is arranged on the surface of the front door 5, the pulley 3 can assist the movement of the steel wire rope 4, and can limit and reduce friction on the steel wire rope 4;
the locking mechanism comprises a threaded rod 14, fixing seats 15, a locking plate 16 and a locking seat 17, two groups of fixing seats 15 are fixedly connected to the surface of the box body 7 through screws, one end of the threaded rod 14 is rotatably connected to the surface of the flange 8, the threaded rod 14 penetrates through the inside of one group of fixing seats 15, the threaded rod 14 is rotatably connected to the surface of the other group of fixing seats 15, the outer wall of the threaded rod 14 is in threaded connection with the locking plate 16, the locking plate 16 is in an L-shaped structure, the locking seat 17 is mounted on the surface of the back door 6, one end of the locking plate 16 is inserted into the inside of the locking seat 17, the surface of the flange 8 is provided with a driving mechanism, one end of the steel wire rope 4 is fixed inside the driving mechanism, the driving mechanism drives the gear 13 to rotate, the gear 13 drives the threaded rod 14 to synchronously rotate while rotating, so that the locking plate 16 descends on the outer wall of the threaded rod 14, one end of the locking plate 16 is inserted into the inside of the locking seat 17, thereby locking the rear door 6;
the locking plate 16 is arranged between the two groups of fixing seats 15, the stand columns are fixed between the two groups of fixing seats 15 and penetrate through the surface of the locking plate 16, when the locking plate 16 moves, the two groups of stand columns can limit the locking plate 16, and the locking plate 16 is prevented from shifting during moving, so that the locking plate 16 and the locking seat 17 are connected to cause deviation, and the rear door 6 cannot be locked;
the driving mechanism comprises a slide rail 9, a traction block 10, a driving rod 11, a shell 12, a gear 13, a rack 18, a sliding groove 19, a connecting plate 20 and a locking spring 21, the slide rail 9 and the shell 12 are fixed on the surface of a flange 8, the traction block 10 is fixed on the surface of a slide block of the slide rail 9, the driving rod 11 is fixed at one end of the traction block 10, the driving rod 11 is inserted into the shell 12, the connecting plate 20 is fixed at one end of the driving rod 11, the locking spring 21 is fixed on the surface of the connecting plate 20, one end of the locking spring 21 is fixed on the inner wall of the shell 12, a partition plate is integrally formed inside the shell 12, the sliding groove 19 is formed in the surface of the partition plate, the connecting plate 20 is movably connected to the inner wall of the sliding groove 19, a mounting plate is fixed on the surface of the connecting plate 20, the rack 18 is fixedly connected to the surface of the mounting plate through a screw, the gear 13 is fixed on the surface of a threaded rod 14, and the gear 13 is meshed with the rack 18, when the front door 5 is opened, the steel wire rope 4 drives the traction block 10 to linearly move on the surface of the slide rail 9, when the traction block 10 moves, the driving rod 11 is driven to synchronously move, the driving rod 11 drives the rack 18 to linearly move through the connecting plate 20 and the mounting plate, when the front door 5 is closed, the locking spring 21 assists the front door 5 to be closed and simultaneously drives the rack 18 to reset through the connecting plate 20 and the mounting plate, so that the gear 13 is reversely rotated, and the locking mechanism releases the locking of the rear door 6;
the surface of the front door 5 is provided with a limiting mechanism, the surface of the front door 5 is provided with a limiting rod 1, one end of the limiting rod 1 is fixed with a connecting column 23, the connecting column 23 is of a hollow structure, the bottom of the inner cavity of the connecting column 23 is fixed with a positioning spring 24, one end of the positioning spring 24 is fixed at the bottom of the positioning rod 22, the positioning rod 22 is inserted in the connecting column 23, the surface of the box body 7 is provided with a limiting groove 2 matched with the positioning rod 22, the surface of the limiting groove 2 is provided with a through hole, along with the movement of the front door 5, the positioning spring 24 drives the positioning rod 22 to pop out of the connecting column 23 under the action of the self elasticity and is inserted in the through hole, so that the opening state of the front door 5 is locked;
one end integrated into one piece of locating lever 22 has release link 25, and positioning spring 24 cup joints in the outer wall of release link 25, and release link 25 runs through in the surface of spliced pole 23 and gag lever post 1, and maintainer can take out locating lever 22 from the through-hole is inside through release link 25 to relieve the locking of qianmen 5 open mode.
The structure principle is as follows: when the front door 5 is pulled open, the front door 5 drives the limiting rod 1 to move, the limiting rod 1 drives the connecting column 23 and the positioning rod 22 to move in the limiting groove 2, and when the positioning rod 22 moves to the through hole in the limiting groove 2, the positioning spring 24 loses the blocking of the limiting groove 2 and drives the positioning rod 22 to extend out of the connecting column 23 under the action of the elastic force of the positioning spring 24, so that the front door 5 is positioned;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an interlocking structure for high tension switchgear, includes box (7), its characterized in that: the inner wall welding of box (7) has the bottom plate, the surface of bottom plate articulates there are qianmen (5) and back door (6), screw fixedly connected with pulley (3) is passed through on the surface of box (7), the surface mounting of box (7) has flange (8), the fixed surface of front door (5) has wire rope (4), wire rope (4) overlap joint in the surface of gyro wheel, the surface of flange (8) is provided with locking mechanical system, the surface of front door (5) is provided with stop gear.
2. An interlocking structure for a high-voltage switchgear cabinet according to claim 1, characterized in that: the locking mechanism comprises a threaded rod (14), a fixed seat (15), a locking plate (16) and a locking seat (17), the surface of the box body (7) is fixedly connected with two groups of fixed seats (15) through screws, one end of the threaded rod (14) is rotatably connected to the surface of the flange (8), the threaded rod (14) penetrates through the inside of one group of fixed seats (15), the threaded rod (14) is rotationally connected to the surface of another group of fixed seats (15), the outer wall of the threaded rod (14) is in threaded connection with a locking plate (16), the locking plate (16) is in an L-shaped structure, a locking seat (17) is arranged on the surface of the rear door (6), one end of the locking plate (16) is inserted into the locking seat (17), the surface of the flange (8) is provided with a driving mechanism, and one end of the steel wire rope (4) is fixed in the driving mechanism.
3. An interlocking structure for a high-voltage switchgear cabinet according to claim 2, characterized in that: the locking plate (16) is arranged between two groups of fixing seats (15), an upright post is fixed between the two groups of fixing seats (15), and the upright post penetrates through the surface of the locking plate (16).
4. An interlocking structure for a high-voltage switchgear cabinet according to claim 2, characterized in that: the driving mechanism comprises a sliding rail (9), a traction block (10), a driving rod (11), a shell (12), a gear (13), a rack (18), a sliding groove (19), a connecting plate (20) and a locking spring (21), the surface of the flange (8) is fixed with the sliding rail (9) and the shell (12), the surface of a sliding block of the sliding rail (9) is fixed with the traction block (10), one end of the traction block (10) is fixed with the driving rod (11), the driving rod (11) is inserted into the shell (12), one end of the driving rod (11) is fixed with the connecting plate (20), the surface of the connecting plate (20) is fixed with the locking spring (21), one end of the locking spring (21) is fixed on the inner wall of the shell (12), a partition board is integrally formed inside the shell (12), the sliding groove (19) is formed on the surface of the partition board, and the connecting plate (20) is movably connected with the inner wall of the sliding groove (19), the fixed surface of connecting plate (20) has the mounting panel, the surface of mounting panel passes through screw fixedly connected with rack (18), the fixed surface of threaded rod (14) has gear (13), gear (13) and rack (18) intermeshing.
5. An interlocking structure for a high-voltage switchgear cabinet according to claim 1, characterized in that: the surface of front door (5) is provided with stop gear, the surface mounting of front door (5) has gag lever post (1), the one end of gag lever post (1) is fixed with spliced pole (23), spliced pole (23) set up to hollow structure, the bottom of spliced pole (23) inner chamber is fixed with positioning spring (24), the one end of positioning spring (24) is fixed in the bottom of locating lever (22), locating lever (22) are pegged graft in the inside of spliced pole (23), spacing groove (2) with locating lever (22) assorted have been seted up on the surface of box (7), the through-hole has been seted up on the surface of spacing groove (2).
6. An interlocking structure for a high-voltage switchgear cabinet according to claim 5, characterized in that: one end integrated into one piece of locating lever (22) has release link (25), positioning spring (24) cup joint in the outer wall of release link (25), release link (25) run through in the surface of spliced pole (23) and gag lever post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061030.9U CN214543091U (en) | 2021-01-11 | 2021-01-11 | Interlocking structure for high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061030.9U CN214543091U (en) | 2021-01-11 | 2021-01-11 | Interlocking structure for high-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN214543091U true CN214543091U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120061030.9U Active CN214543091U (en) | 2021-01-11 | 2021-01-11 | Interlocking structure for high-voltage switch cabinet |
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| CN (1) | CN214543091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117638A (en) * | 2023-08-31 | 2023-11-24 | 广州盛美电气设备有限公司 | Locking device for switch cabinet protection plate |
-
2021
- 2021-01-11 CN CN202120061030.9U patent/CN214543091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117638A (en) * | 2023-08-31 | 2023-11-24 | 广州盛美电气设备有限公司 | Locking device for switch cabinet protection plate |
| CN117117638B (en) * | 2023-08-31 | 2024-03-12 | 广州盛美电气设备有限公司 | Locking device for switch cabinet protection plate |
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