CN210245386U - High-voltage board using earthing switch and back door interlocking device - Google Patents
High-voltage board using earthing switch and back door interlocking device Download PDFInfo
- Publication number
- CN210245386U CN210245386U CN201920429395.5U CN201920429395U CN210245386U CN 210245386 U CN210245386 U CN 210245386U CN 201920429395 U CN201920429395 U CN 201920429395U CN 210245386 U CN210245386 U CN 210245386U
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- China
- Prior art keywords
- earthing switch
- back door
- shaft
- operating shaft
- rear door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
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Abstract
The utility model discloses a high-voltage cabinet using an interlocking device of a grounding switch and a rear door, which comprises a high-voltage cabinet body, wherein a shell is arranged in the high-voltage cabinet body, a grounding switch operating shaft is horizontally arranged on one side surface of the shell parallel to the rear door of the switch cabinet, a top block is arranged on the side wall of the grounding switch operating shaft, the side surface of the top block is tightly attached to the other side surface of the shell, a square groove matched with the top block is formed in the side face of the shell, a rear door interlocking block is further arranged at one end, close to a rear door of the switch cabinet, of the grounding switch operating shaft, a rear door interlocking shaft is arranged below the grounding switch operating shaft and parallel to the grounding switch operating shaft, a vertically upward baffle is arranged on the side wall of the interlocking shaft, the other end of the baffle is tightly attached to the side wall of the grounding switch operating shaft, and the grounding switch operating shaft is connected with a crank arm of the grounding switch through a bolt; the utility model discloses a device can realize going on according to correct operation order, prevents to take place the incident.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to use earthing switch and back door interlock's high-voltage board.
Background
When the switch cabinet is in a live running state, the grounding switch is opened, and the rear door is closed; when the switch cabinet is in power failure maintenance, the grounding switch is switched on first, and then the back door is opened for maintenance; after the maintenance is finished, the rear door needs to be closed, then the brake-separating grounding switch is needed, and the switch cabinet can be electrified to operate; if the above operation sequence is reversed or omitted, personnel are likely to mistakenly enter the electrified interval, and then the life safety of the personnel is threatened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an use earthing switch and back door interlock's high-voltage board provides one kind and can force to stop to continue the operation under the wrong operation order to prevent the cubical switchboard of incident.
The technical proposal adopted by the utility model is that the high-voltage cabinet using the interlocking device of the grounding switch and the back door comprises a high-voltage cabinet body, a shell is arranged in the high-voltage cabinet body, a grounding switch operating shaft is horizontally arranged on one side surface of the shell parallel to the back door of the switch cabinet, a top block is arranged on the side wall of the grounding switch operating shaft, the side surface of the top block is tightly jointed with the other side surface of the shell, and a square groove matched with the top block is formed in the side face of the shell, a back door interlocking block is further arranged at one end, close to a back door of the switch cabinet, of the grounding switch operating shaft, a back door interlocking shaft is further arranged below the grounding switch operating shaft and parallel to the grounding switch operating shaft, a vertical upward baffle is arranged on the side wall of the interlocking shaft, the other end of the baffle is tightly attached to the side wall of the grounding switch operating shaft, and the grounding switch operating shaft is connected with a crank arm of the grounding switch through a bolt.
The utility model is also characterized in that,
one end of the rear door interlocking shaft penetrates through one side face of the shell, the other end of the rear door interlocking shaft extends to the rear door of the switch cabinet and contacts with the rear door of the switch cabinet, and a cylindrical pin is arranged at one end, far away from the rear face of the switch cabinet, of the rear door interlocking shaft.
The back door interlocking shaft is further provided with a spring, the spring is arranged between the shell and the baffle, one end of the spring is in contact with the shell, and the other end of the spring is provided with a gasket.
The grounding switch operating shaft is connected with the rear door interlocking shaft through a mounting baffle, and the mounting baffle is positioned at one end close to the rear door of the switch cabinet.
The baffle is in welded connection with the interlocking shaft, and the top block is also in welded connection with the grounding switch operating shaft.
The utility model has the advantages that: the utility model relates to a high-voltage cabinet using an interlocking device of a grounding switch and a rear door, which can only open the grounding switch when the rear door is closed; under the earthing switch separating brake state, can not open the back door, the utility model discloses a high-voltage board through one set of mechanical interlock who is connected with the back door, can realize the correct operation order of high-voltage board, if appear that the operation order is reversed or omit, can force to stop to continue the operation to prevent the emergence of incident.
Drawings
Fig. 1 is a schematic structural view of an interlocking mechanism of a high-voltage cabinet using an earthing switch and a rear door interlocking device according to the present invention;
fig. 2 is a schematic structural view of a high-voltage board using an earthing switch and a back door interlocking device.
In the figure, 1, a shell, 2, an earthing switch operating shaft, 3, a top block, 4, a rear door interlocking block, 5, a rear door interlocking shaft, 6, a baffle, 7, a spring, 8, a cylindrical pin, 9, a gasket, 10, a mounting baffle and 11, an earthing switch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a high-voltage cabinet using an interlocking device of a grounding switch and a rear door, as shown in figure 1 and figure 2, the high-voltage cabinet comprises a high-voltage cabinet body, a shell 1 is arranged in the high-voltage cabinet body, a grounding switch operating shaft 2 is horizontally arranged on one side surface of the shell 1 parallel to the rear door of the switch cabinet, a top block 3 is arranged on the side wall of the grounding switch operating shaft 2, the side surface of the top block 3 is tightly attached to the other side surface of the shell 1, a square groove matched with the top block 3 is arranged on the side surface of the shell 1, a rear door interlocking block 4 is also arranged at one end of the grounding switch operating shaft 2 close to the rear door of the switch cabinet, a rear door interlocking shaft 5 which is arranged below the grounding switch operating shaft 2 and is parallel to the grounding switch operating shaft 2 is also arranged, a baffle 6 which is vertically upward is arranged on the side wall of the interlocking shaft 5, the other end of, the earthing switch operating shaft 2 is connected to a crank arm of the earthing switch 11 by a bolt.
One end of the rear door interlocking shaft 5 penetrates through one side face of the shell 1, the other end of the rear door interlocking shaft 5 extends to the rear door of the switch cabinet and is in contact with the rear door of the switch cabinet, and a cylindrical pin 8 is arranged at one end, far away from the rear face of the switch cabinet, of the rear door interlocking shaft 5.
The rear door interlocking shaft 5 is further provided with a spring 7, the spring 7 is arranged between the shell 1 and the baffle 6, one end of the spring 7 is in contact with the shell 1, and the other end of the spring 7 is provided with a gasket 9.
The grounding switch operating shaft 2 is connected with the rear door interlocking shaft 5 through a mounting baffle 10, and the mounting baffle 10 is positioned at one end close to the rear door of the switch cabinet.
The baffle 6 is connected with the interlocking shaft 5 in a welding mode, and the top block 3 is also connected with the grounding switch operating shaft 2 in a welding mode.
The utility model relates to an use earthing switch and back door interlock's high-voltage board is when using, back door closed back, compress back door interlocking axle 5 (including the baffle 6 of welding on axle 5) to the cabinet translation, operate earthing switch operating axis 2 (including the kicking block 3 of welding on axle 2) and rotate 90, separating brake earthing switch 11 this moment, through back door interlocking piece 4 with the back door forced closure; if the earthing switch 11 is opened without closing the back door, the baffle 6 on the back door interlocking shaft 5 can block the top block 3 on the earthing switch operating shaft 2 from rotating anticlockwise, so that the earthing switch is prevented from opening.
When the switch is in a power-on state, the rear door is closed, the rear door interlocking shaft 5 (comprising the baffle 6) is compressed into the switch cabinet, the grounding switch is in a brake-off state, the top block 3 on the operating shaft 2 rotates into the square groove of the shell 1, and the rear door interlocking block 4 forcibly closes the rear door;
when the maintenance state, the back door is opened, the back door interlocking shaft 5 extends out of the cabinet under the action of the spring 7, the baffle 6 moves to the square hole of the shell 1, the grounding switch is in a closing state, and at the moment, if the grounding switch is operated to open the brake, the ejector block 3 on the operating shaft 2 can be ejected to the baffle 6, so that the grounding switch is prevented from continuing to open the brake, and the interlocking function is realized.
In this way, the utility model relates to an use earthing switch and back door interlock's high-voltage board provides a mechanical interlock, can realize going on according to correct operation order through the device, if appear the operation and reverse or omit, can force to stop to continue the operation, prevents to take place the incident.
Claims (3)
1. The high-voltage cabinet using the earthing switch and back door interlocking device is characterized by comprising a high-voltage cabinet body, wherein a shell (1) is arranged inside the high-voltage cabinet body, an earthing switch operating shaft (2) is horizontally arranged on one side surface of the shell (1) parallel to a back door of the switch cabinet, a top block (3) is arranged on the side wall of the earthing switch operating shaft (2), the side surface of the top block (3) is tightly attached to the other side surface of the shell (1), a square groove matched with the top block (3) is arranged on the side surface of the shell (1), a back door interlocking block (4) is further arranged at one end, close to the back door of the switch cabinet, of the earthing switch operating shaft (2), a back door shaft (5) is arranged below the earthing switch operating shaft (2) and parallel to the earthing switch operating shaft (2), a vertical upward baffle (6) is arranged on the side wall of the back door shaft (5), the other end of baffle (6) with the lateral wall of earthing switch operation axle (2) closely laminates, earthing switch operation axle (2) passes through bolted connection with the turning arm of earthing switch (11), earthing switch operation axle (2) with still be connected through installation baffle (10) between back door interlocking axle (5), just installation baffle (10) are located the one end that is close to the cubical switchboard back door, baffle (6) with interlocking axle (5) are welded connection, kicking block (3) with earthing switch operation axle (2) also are welded connection.
2. The high-voltage cabinet using the earthing switch and the rear door interlocking device according to claim 1, characterized in that one end of the rear door interlocking shaft (5) passes through one side of the housing (1), the other end of the rear door interlocking shaft (5) extends to the rear door of the switch cabinet and contacts with the rear door, and one end of the rear door interlocking shaft (5) far away from the rear face of the switch cabinet is provided with a cylindrical pin (8).
3. The high-voltage cabinet using the earthing switch and the back door interlocking device according to claim 1, characterized in that a spring (7) is further provided on the back door interlocking shaft (5), the spring (7) is disposed between the housing (1) and the baffle (6), one end of the spring (7) is in contact with the housing (1), and the other end of the spring (7) is provided with a gasket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429395.5U CN210245386U (en) | 2019-04-01 | 2019-04-01 | High-voltage board using earthing switch and back door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429395.5U CN210245386U (en) | 2019-04-01 | 2019-04-01 | High-voltage board using earthing switch and back door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210245386U true CN210245386U (en) | 2020-04-03 |
Family
ID=69967022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920429395.5U Expired - Fee Related CN210245386U (en) | 2019-04-01 | 2019-04-01 | High-voltage board using earthing switch and back door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210245386U (en) |
-
2019
- 2019-04-01 CN CN201920429395.5U patent/CN210245386U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |