CN203690151U - Backlocking device for grounding switch of switchgear - Google Patents
Backlocking device for grounding switch of switchgear Download PDFInfo
- Publication number
- CN203690151U CN203690151U CN201320820991.9U CN201320820991U CN203690151U CN 203690151 U CN203690151 U CN 203690151U CN 201320820991 U CN201320820991 U CN 201320820991U CN 203690151 U CN203690151 U CN 203690151U
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- CN
- China
- Prior art keywords
- square shaft
- switchgear
- shaft
- switch
- shaped plate
- 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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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model provides a backlocking device for the grounding switch of a switchgear, which comprises a switchgear side plate. The switchgear side plate is provided with a U-shaped plate. The left vertical surface of the U-shaped plate is provided with a square shaft. The square shaft is provided with a gap. The right end of the square shaft is provided with a circular shaft. The circular shaft passes through the right vertical surface of the U-shaped plate. According to the technical scheme of the utility model, when the rear cover plate of the switchgear is well assembled, the gap of the square shaft is exposed out of the U-shaped plate. In this way, a crank arm on the grounding large shaft of the switchgear is free from being blocked by the square shaft, so that the grounding switch can be turned on or off operatively. When the rear cover plate is detached from the switchgear, the gap of the square shaft is moved into the U-shaped plate under the action of a spring. At this time, the crank arm on the grounding large shaft of the switchgear is blocked by the square shaft and the grounding switch cannot be switched on or off. Therefore, the safety of operators is ensured.
Description
Technical field
the utility model relates to switch cubicle technical field, specifically a kind of switch cabinet grounding switch backlocking device.
Background technology
Switch cubicle operating personnel, in the time of inspection switch cabinet, can first close a floodgate earthed switch, and the switch cubicle back shroud of then dismantling carries out correlation test and maintenance.Because earthed switch is "on" position, switch cubicle entirety is ground connection, so at this time operating personnel are safe, if now by grounding switch tripping, just likely circuit breaker cart being shifted onto to service position closes a floodgate, cause the charged or anti-power transmission of cable in switch cabinet main loop, at this moment operating personnel can be in breakneck condition.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can not be by the switch cabinet grounding switch backlocking device of grounding switch tripping when mounting rear cover plate at switch cubicle.
The utility model solves its technical problem by the following technical solutions.
A kind of switch cabinet grounding switch backlocking device, comprises switch cubicle side plate, and described switch cubicle side plate is provided with U-shaped plate, and the left vertical plane of described U-shaped plate is provided with square shaft, and described square shaft is provided with breach; Described square shaft right-hand member is provided with circular shaft, and described circular shaft is through the right vertical plane of U-shaped plate.
Described square shaft is provided with back-up ring, on described square shaft, be provided with spring between back-up ring and left vertical plane.
A kind of switch cabinet grounding switch backlocking device of the present utility model, when after switch cubicle back shroud assembling, the breach of square shaft exposes in U-shaped plate outside, and now square shaft can not stop the connecting lever on switch-cabinet grounding macro-axis, can operational grounding switch separating brake; In the time that back shroud is removed, the breach on square shaft moves in U-shaped plate under the effect of spring, now can be stopped by square shaft the motion of connecting lever when console switch cabinet ground connection macro-axis, and earthed switch just cannot separating brake, guarantees thus operating personnel's personal safety.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is this switch cubicle back shroud mounted configuration schematic diagram;
Fig. 3 is square axle structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, Figure 3, a kind of switch cabinet grounding switch backlocking device, comprises switch cubicle side plate 8, U-shaped plate 1 is installed on described switch cubicle side plate 8, on the left vertical plane 12 of U-shaped plate 1, have a square opening, square shaft 3 is installed in square opening, on square shaft 3, have breach 7; Square shaft 3 right-hand members are fixedly connected with circular shaft 2, and circular shaft 2 is through the circular shaft hole on the right vertical plane 6 of U-shaped plate; Back-up ring 5 is installed, mounting spring 4 on square shaft 3, between back-up ring 5 and left vertical plane 12 on square shaft 3.
As shown in Figure 2, in the time that switch cubicle back shroud 9 is assembled on switch cubicle, circular shaft 2 right-hand members are promoted to left movement by back shroud 9, circular shaft 2 motions promote square shaft 3 to left movement, in the time that back shroud 9 covers completely, the breach 7 on square shaft 3 exposes in the outside of U-shaped plate 1, now operational grounding switch macro-axis 11, connecting lever 10 on macro-axis 11 is not subject to stopping of square shaft 3, is grounded switch sub-switching operation; As shown in Figure 1, when pulling down after back shroud 9, under the resiliency urged of spring 4, square shaft 3 moves right, breach 7 on square shaft 3 moves to U-shaped plate inner side, now rotates because square shaft 3 stops the connecting lever 10 on macro-axis 11, and earthed switch cannot be by operation separating brake, grounding switch tripping while preventing thus that back shroud from not installing, guarantees operating personnel's personal safety.
Claims (2)
1. a switch cabinet grounding switch backlocking device, comprise switch cubicle side plate, it is characterized in that: described switch cubicle side plate (8) is provided with U-shaped plate (1), the left vertical plane of described U-shaped plate (1) (12) is provided with square shaft (3), and described square shaft (3) is provided with breach (7); Described square shaft (3) right-hand member is provided with circular shaft (2), and described circular shaft (2) is through the right vertical plane (6) of U-shaped plate.
2. a kind of switch cabinet grounding switch backlocking device as claimed in claim 1, is characterized in that: described square shaft (3) is provided with back-up ring (5), and described square shaft (3) is upper, be provided with spring (4) between back-up ring (5) and left vertical plane (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820991.9U CN203690151U (en) | 2013-12-15 | 2013-12-15 | Backlocking device for grounding switch of switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820991.9U CN203690151U (en) | 2013-12-15 | 2013-12-15 | Backlocking device for grounding switch of switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690151U true CN203690151U (en) | 2014-07-02 |
Family
ID=51012023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320820991.9U Expired - Fee Related CN203690151U (en) | 2013-12-15 | 2013-12-15 | Backlocking device for grounding switch of switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252145A (en) * | 2016-09-12 | 2016-12-21 | 遵义华正电缆桥架有限公司 | A kind of switch cabinet grounding switch backlocking device with heat sinking function |
| CN106960742A (en) * | 2017-05-10 | 2017-07-18 | 河南森源电气股份有限公司 | A kind of interlocking gear between switch cubicle and its earthed switch and cabinet door |
| CN110265255A (en) * | 2019-07-19 | 2019-09-20 | 安徽长龙电气集团有限公司 | Anti- interlock and its power distribution cabinet |
-
2013
- 2013-12-15 CN CN201320820991.9U patent/CN203690151U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252145A (en) * | 2016-09-12 | 2016-12-21 | 遵义华正电缆桥架有限公司 | A kind of switch cabinet grounding switch backlocking device with heat sinking function |
| CN106960742A (en) * | 2017-05-10 | 2017-07-18 | 河南森源电气股份有限公司 | A kind of interlocking gear between switch cubicle and its earthed switch and cabinet door |
| CN110265255A (en) * | 2019-07-19 | 2019-09-20 | 安徽长龙电气集团有限公司 | Anti- interlock and its power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20191215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |