CN204348545U - A kind of nuclear power RPC grounding box latch assembly - Google Patents
A kind of nuclear power RPC grounding box latch assembly Download PDFInfo
- Publication number
- CN204348545U CN204348545U CN201420848933.1U CN201420848933U CN204348545U CN 204348545 U CN204348545 U CN 204348545U CN 201420848933 U CN201420848933 U CN 201420848933U CN 204348545 U CN204348545 U CN 204348545U
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- CN
- China
- Prior art keywords
- bolt
- lock
- grounding box
- blocking mechanism
- locked groove
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- 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.)
- Withdrawn - After Issue
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Abstract
A kind of nuclear power RCP grounding box latch assembly, comprise mechanical bolt-lock and blocking mechanism, mechanical bolt-lock is positioned at grounding box internal loading switch side, mechanical bolt-lock is provided with the first bolt-lock and the second bolt-lock from top to bottom, and the first bolt-lock bottom transverse is connected with the first dead bolt; Second bolt-lock bottom transverse is connected with the second dead bolt; Grounding box outer surface front is provided with rectangle lockhole, and key realizes closedown and the unlatching of first, second bolt-lock by rectangle lockhole; Blocking mechanism is positioned at grounding box internal loading switch top, be connected with on-load switch bottom it, blocking mechanism is rounded, top is connected with rotating handles, rotating handles is positioned at grounding box outside, and blocking mechanism edge is provided with two square locked grooves, comprises the first locked groove and the second locked groove, square locked groove size, shape and the first dead bolt, the second dead bolt are corresponding.Make the interlock of bolt-lock, make bolt-lock realize mechanical chain function, greatly improve nuclear power case RCP grounding box usage safety performance.
Description
Technical field
The utility model relates to a kind of nuclear power RCP grounding box latch assembly, belongs to the latch assembly technical field of nuclear power distribution box.
Background technology
Grounding box puts earth connection, plays protective earthing line.Present stage, the grounding box that enterprise uses, the device of original lockset can not realize chain function, there is potential safety hazard.Especially be applied in the RCP grounding box on nuclear power case, its coefficient of safety requires particularly strict, and therefore, study a kind of coefficient of safety high, nuclear power case RCP grounding box latch assembly that can be chain, more and more receives the concern of people.
Utility model content
Technical problem to be solved in the utility model provides a kind of coefficient of safety high for above drawback, nuclear power case RCP grounding box latch assembly that can be chain.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of nuclear power RCP grounding box latch assembly, wherein, comprise mechanical bolt-lock and blocking mechanism, described mechanical bolt-lock is positioned at grounding box internal loading switch side, described mechanical bolt-lock is provided with the first bolt-lock and the second bolt-lock from top to bottom, described first bolt-lock bottom transverse is connected with the first dead bolt, and described first dead bolt is cylindrical structure; Described second bolt-lock bottom transverse is connected with the second dead bolt, and described second dead bolt is cylindrical structure; Described grounding box outer surface front is provided with rectangle lockhole, and described its size of rectangle lockhole, shape, position are corresponding with mechanical bolt-lock, and described key realizes closedown and the unlatching of first, second bolt-lock by rectangle lockhole; Described blocking mechanism is positioned at grounding box internal loading switch top, be connected with on-load switch bottom it, described blocking mechanism is rounded, described top is connected with rotating handles, and described rotating handles is positioned at grounding box outside, and described blocking mechanism edge is provided with two square locked grooves, comprise the first locked groove and the second locked groove, described square locked groove size, shape and the first dead bolt, the second dead bolt are corresponding, and described blocking mechanism rotates control overhead switch by rotating handles opens a sluice gate and closes lock; Rotating handles left, on described blocking mechanism the first locked groove upwards time, on-load switch close a floodgate; Twist the handle to the right, when on described blocking mechanism, the second locked groove is downward, on-load switch is opened a sluice gate.
Above-mentioned a kind of nuclear power RCP grounding box latch assembly, wherein, described first locked groove and the second locked groove on blocking mechanism be angle be 90 degree.
Above-mentioned a kind of nuclear power RCP grounding box latch assembly, wherein, described first bolt-lock and the second bolt-lock size, shape is identical.
Use procedure: RCP earthed switch is locked in open position, and when cannot close a floodgate, on blocking mechanism, the second locked groove is downward, the first bolt-lock dead bolt state of stretching out is fastened in the first locked groove, (now, first bolt-lock key is in the state of being lockable, can not extract), by the first bolt-lock key to RCP grounding box place, insert the first bolt-lock key and rotate, (now the first bolt-lock key is lockable in first bolt-lock dead bolt withdrawal, can not extract), swing handle makes on-load switch to closing position, then the second bolt-lock key is rotated, second bolt-lock dead bolt stretches out and earthed switch is locked in closing position (now the second bolt-lock key can be extracted).
Beneficial effect: the interlock making bolt-lock, makes bolt-lock realize mechanical chain function, improves nuclear power case RCP grounding box usage safety performance greatly.Bolt-lock interlock of the present utility model, combined floodgate/the gate-dividing state of lockable on-load switch, accurately locates by mechanical bolt-lock and blocking mechanism that on-load switch is opened a sluice gate, gate-dividing state, not easily deviation, meet the instructions for use of the RCP grounding box on nuclear power case, improve the quality of products.A key of bolt-lock can be extracted simultaneously, convenient on-the-spot operation.
Accompanying drawing explanation
Fig. 1 is utility model structural representation.
Fig. 2 is the outside schematic diagram of utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
As shown in the figure, a kind of nuclear power RCP grounding box latch assembly, wherein, comprise mechanical bolt-lock 1 and blocking mechanism 2, described mechanical bolt-lock 1 is positioned at grounding box 3 internal loading switch 4 side, described mechanical bolt-lock 1 is provided with the first bolt-lock 11 and the second bolt-lock 12 from top to bottom, described first bolt-lock 11 bottom transverse is connected with the first dead bolt 13, and described first dead bolt 13 is in cylindrical structure; Described second bolt-lock 12 bottom transverse is connected with the second dead bolt 14, and described second dead bolt 14 is in cylindrical structure; Described grounding box 3 outer surface front is provided with rectangle lockhole 5, and described its size of rectangle lockhole 5, shape, position are corresponding with mechanical bolt-lock 1, and described key realizes closedown and the unlatching of first, second bolt-lock 11,12 by rectangle lockhole 5; Described blocking mechanism 2 is positioned at grounding box 3 internal loading switch 4 top, be connected with on-load switch 4 bottom it, described blocking mechanism 2 is rounded, described top is connected with rotating handles 6, it is outside that described rotating handles 6 is positioned at grounding box 3, described blocking mechanism 2 edge is provided with two square locked grooves 21,22, comprise the first locked groove 21 and the second locked groove 22, described square locked groove 21,22 size, shape is corresponding with the first dead bolt 13, second dead bolt 14, and described blocking mechanism 2 rotates control overhead switch 4 by rotating handles 6 opens a sluice gate and closes lock; Rotating handles 6 left, on described blocking mechanism 2 first locked groove 21 upwards time, on-load switch 4 closes a floodgate; To right rotation 6 handle, when on described blocking mechanism 2, the second locked groove 22 is downward, on-load switch 4 is opened a sluice gate.Described first locked groove 21 and the second locked groove 22 on blocking mechanism 2 be angle be 90 degree.Described first bolt-lock 11 and the second bolt-lock 12 size, shape is identical.
Use procedure: RCP earthed switch is locked in open position, and when cannot close a floodgate, on blocking mechanism, the second locked groove is downward, the first bolt-lock dead bolt state of stretching out is fastened in the first locked groove, (now, first bolt-lock key is in the state of being lockable, can not extract), by the first bolt-lock key to RCP grounding box place, insert the first bolt-lock key and rotate, (now the first bolt-lock key is lockable in first bolt-lock dead bolt withdrawal, can not extract), swing handle makes on-load switch to closing position, then the second bolt-lock key is rotated, second bolt-lock dead bolt stretches out and earthed switch is locked in closing position (now the second bolt-lock key can be extracted).
Beneficial effect: the interlock making bolt-lock, makes bolt-lock realize mechanical chain function, improves nuclear power case RCP grounding box usage safety performance greatly.Bolt-lock interlock of the present utility model, combined floodgate/the gate-dividing state of lockable on-load switch, accurately locates by mechanical bolt-lock and blocking mechanism that on-load switch is opened a sluice gate, gate-dividing state, not easily deviation, meet the instructions for use of the RCP grounding box on nuclear power case, improve the quality of products.A key of bolt-lock can be extracted simultaneously, convenient on-the-spot operation.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claims.
Claims (3)
1. a nuclear power RCP grounding box latch assembly, it is characterized in that, comprise mechanical bolt-lock and blocking mechanism, described mechanical bolt-lock is positioned at grounding box internal loading switch side, described mechanical bolt-lock is provided with the first bolt-lock and the second bolt-lock from top to bottom, described first bolt-lock bottom transverse is connected with the first dead bolt, and described first dead bolt is cylindrical structure; Described second bolt-lock bottom transverse is connected with the second dead bolt, and described second dead bolt is cylindrical structure; Described grounding box outer surface front is provided with rectangle lockhole, and described its size of rectangle lockhole, shape, position are corresponding with mechanical bolt-lock, and described key realizes closedown and the unlatching of first, second bolt-lock by rectangle lockhole; Described blocking mechanism is positioned at grounding box internal loading switch top, be connected with on-load switch bottom it, described blocking mechanism is rounded, described top is connected with rotating handles, and described rotating handles is positioned at grounding box outside, and described blocking mechanism edge is provided with two square locked grooves, comprise the first locked groove and the second locked groove, described square locked groove size, shape and the first dead bolt, the second dead bolt are corresponding, and described blocking mechanism rotates control overhead switch by rotating handles opens a sluice gate and closes lock; Rotating handles left, on described blocking mechanism the first locked groove upwards time, on-load switch close a floodgate; Twist the handle to the right, when on described blocking mechanism, the second locked groove is downward, on-load switch is opened a sluice gate.
2. a kind of nuclear power RCP grounding box latch assembly as claimed in claim 1, is characterized in that, described first locked groove and the second locked groove on blocking mechanism be angle be 90 degree.
3. a kind of nuclear power RCP grounding box latch assembly as claimed in claim 1, it is characterized in that, described first bolt-lock and the second bolt-lock size, shape is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848933.1U CN204348545U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power RPC grounding box latch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848933.1U CN204348545U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power RPC grounding box latch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348545U true CN204348545U (en) | 2015-05-20 |
Family
ID=53231797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848933.1U Withdrawn - After Issue CN204348545U (en) | 2014-12-29 | 2014-12-29 | A kind of nuclear power RPC grounding box latch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204348545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538220A (en) * | 2014-12-29 | 2015-04-22 | 江苏有能电气成套有限公司 | Nuclear power RPC earth box bolt-lock device |
-
2014
- 2014-12-29 CN CN201420848933.1U patent/CN204348545U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538220A (en) * | 2014-12-29 | 2015-04-22 | 江苏有能电气成套有限公司 | Nuclear power RPC earth box bolt-lock device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20180119 |
|
| AV01 | Patent right actively abandoned |