CN206003682U - The interlock at earthed switch back door - Google Patents
The interlock at earthed switch back door Download PDFInfo
- Publication number
- CN206003682U CN206003682U CN201620919077.3U CN201620919077U CN206003682U CN 206003682 U CN206003682 U CN 206003682U CN 201620919077 U CN201620919077 U CN 201620919077U CN 206003682 U CN206003682 U CN 206003682U
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- CN
- China
- Prior art keywords
- back door
- bearing
- operating shaft
- lock tube
- earthed switch
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000011152 fibreglass Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
A kind of interlock at earthed switch back door.Solve the complex structure of existing ground switch interlocking device, easily make the problem that back door is powered.It includes the first bearing, the second bearing and the operating shaft being connected with earthed crank arm, the first described bearing is provided with linkage set, it is provided with insulated transmission part between the first described bearing and the second bearing, described insulated transmission part is connected with operating shaft by lock tube, described lock tube and operating shaft circumferentially rotate cooperation and along the cooperation of operating shaft axial slip, and described lock tube drives unblock the second position rotating together with operating shaft by the set that links when having the primary importance coordinating locked operating shaft when back door is opened with the second bearing and back door closing.This utility model is provided with insulated transmission part so that the electric energy on earthed switch will not be delivered to back door therewith, it is to avoid so that operator obtain electric, security performance height when back door is opened；Lock tube is arranged between insulated transmission part and operating shaft, linkage is more reliable.
Description
Technical field
This utility model is related to a kind of earthed switch and in particular to a kind of interlock at earthed switch back door.
Background technology
Earthed switch (earthing switch), for the mechanical switch of circuit ground part, in high-tension switch cabinet
Earthed switch is to ensure personal safety as during maintenance, for a kind of mechanical grounding device of ground connection.It act as replacement and carries
Type ground wire, in high pressure equipment and line maintenance by equipment ground, protects personal safety；Cause artificial ground, meeting protection will
Ask；Earthed switch configuration, on chopper both sides disconnecting switch side, plays the effect of both sides ground connection during overhaul of line breaker.Existing
Earthed switch generally drives it to disconnect or closure by being grounded operation axis, setting interlocking dress on described ground connection operation axis
Put, when back door (shrouding) closes, interlock unblock can carry out operational grounding switch；When earthed switch is in "on" position
When back door (shrouding) is opened, interlock is locked, so that ground connection operation axis can not be rotated, earthed switch cannot separating brake it is ensured that inspection
Repair the safety of personnel.Existing interlock structure is complex and Adapter Property is poor, and because the inside of earthed switch is empty
Between limited so that the interlock at back door is easily powered, there is certain potential safety hazard.
Content of the invention
For solving the complex structure of existing ground switch interlocking device in background technology, easily make the powered problem in back door,
This utility model provides a kind of interlock at earthed switch back door.
The technical solution of the utility model is：A kind of interlock at earthed switch back door, including the first bearing, second
Seat and the operating shaft being connected with earthed crank arm, the first described bearing is provided with the linkage being connected with earthed switch back door
Set, described linkage set is coaxially disposed with operating shaft, is provided with insulated transmission part, institute between the first described bearing and the second bearing
The one end of insulated transmission part stated is connected with linkage set, and the other end is connected with operating shaft by lock tube, described lock tube and
Operating shaft circumferentially rotates cooperation and along the cooperation of operating shaft axial slip, and described lock tube has is joined with the second bearing when back door is opened
Close the primary importance of locked operating shaft and back door drives unblock the second rotating together with operating shaft by the set that links when closing
Put.
As a kind of improvement of the present utility model, described lock tube is provided with limited block, and described limited block is at lock tube
Circumferentially rotate spacing cooperation with the second bearing when primary importance.
As further improvement of the utility model, the second described bearing is provided with shoulder block, and described limited block is in lock
Set is in and circumferentially rotates spacing cooperation with the shoulder block on the second bearing during primary importance.
As further improvement of the utility model, described limited block is grasped with shoulder block edge when lock tube is in the second position
Make the cooperation of axle axial limiting.
As further improvement of the utility model, described limited block has two and is outwards symmetricly set in the week of lock tube
On surface.
As further improvement of the utility model, the second described bearing includes transverse part and vertical portion, described horizontal stroke
Constitute described T-shaped second bearing to portion and vertical portion, described lock tube is on the transverse part vertical portion of the second bearing.
As further improvement of the utility model, described lock tube include the sleeve part being connected with insulated transmission part and
The rotation section being connected with operating shaft, described rotation section is inner hexagonal hole.
As further improvement of the utility model, described insulated transmission part is provided with the plug in insertion sleeve portion.
As further improvement of the utility model, described insulated transmission part is Fiber glass rod.
The beneficial effects of the utility model are to be provided with insulated transmission part so that the electric energy on earthed switch will not pass therewith
It is delivered to back door, it is to avoid so that operator obtain electric, good insulation preformance when back door is opened, security performance is high；Lock tube is arranged at absolutely
Between edge driving member and operating shaft, linkage is more reliable, and locks and unlock more convenient, reliable；It is provided with and coaxially set with operating shaft
, so that lock tube does not need other perforate on housing when installing, Adapter Property is more preferable, and this utility model also has for the lock tube put
Have the advantages that structure is simple, easy for installation, reliable in action, long service life.
Brief description
Accompanying drawing 1 is the structural representation of this utility model embodiment.
Accompanying drawing 2 is partly to cut open structural representation at the second bearing 2 in accompanying drawing 1.
Accompanying drawing 3 is the structural representation of the second bearing 2 in accompanying drawing 1.
Accompanying drawing 4 partly cuts open structural representation for the lock tube 7 in accompanying drawing 1.
In figure, the 1, first bearing；2nd, the second bearing；21st, shoulder block；22nd, transverse part；23rd, vertical portion；3rd, earthed crank arm；4、
Operating shaft；5th, linkage set；6th, insulated transmission part；61st, plug；7th, lock tube；71st, limited block；72nd, sleeve part；73rd, rotation section.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model embodiment is described further：
Combine shown in Fig. 2,3,4 by Fig. 1, a kind of interlock at earthed switch back door, including the first bearing 1, second
Seat 2 and the operating shaft 4 that is connected with earthed crank arm 3, the first described bearing 1 is provided with and is connected with earthed switch back door
Linkage set 5, described linkage set 5 is coaxially disposed with operating shaft 4, is provided with insulation between the first described bearing 1 and the second bearing 2
Driving member 6, described insulated transmission part 6 is Fiber glass rod.Described one end of insulated transmission part 6 is connected with linkage set 5,
The other end is connected with operating shaft 4 by lock tube 7, and described lock tube 7 circumferentially rotates cooperation and along operating shaft 4 axle with operating shaft 4
To sliding cooperation, described lock tube 7 have when back door is opened with the second bearing 2 coordinate locked operating shaft 4 primary importance and after
When door is closed, unblock the second position rotating together with operating shaft 4 are driven by the set 5 that links.The beneficial effects of the utility model
It is to be provided with insulated transmission part so that the electric energy on earthed switch will not be delivered to back door therewith, it is to avoid make when back door is opened
Operator obtain electric, good insulation preformance, and security performance is high；Lock tube is arranged between insulated transmission part and operating shaft, linkage is more
Reliable, and lock and unlock more convenient, reliable；It is provided with the lock tube being coaxially disposed with operating shaft so that being not required to when lock tube is installed
Will other perforate on housing, more preferably, and this utility model also has that structure is simple, easy for installation, action can to Adapter Property
Lean on, long service life the advantages of.In actual production process, earthed switch be arranged on middle part, at back door be insulated transmission part or
Person's insulation board, closes and visits and just can carry out earthed switch operation, and earthed switch just can open back door after closing a floodgate, and is in the in lock tube
During one position, the axial rotation of back door opening operation axle is spacing it is impossible to rotating operation axle is it is impossible to carry out earthed switch operation；?
When lock tube is in the second position, back door is closed, and just can carry out earthed switch operation.
Described lock tube 7 is provided with limited block 71, described limited block 71 when lock tube 7 is in primary importance with second
Seat 2 circumferentially rotates spacing cooperation.Specifically, the second described bearing 2 is provided with shoulder block 21, and described limited block 71 is in lock tube
7 shoulder blocks 21 being in during primary importance and on the second bearing 2 circumferentially rotate spacing cooperation.Such structure makes lock tube lock can
Lean on, it is to avoid operating shaft misoperation.
Described limited block 71 is coordinated along operating shaft 4 axial limiting with shoulder block 21 when lock tube 7 is in the second position.So
Structure avoid opening back door when earthed switch is unearthed, improve the security performance of product.
Described limited block 71 has two and is symmetricly set in the circumferential exterior surface of lock tube 7.Such structure makes to limit
The position spacing reliability of block.
The second described bearing 2 includes transverse part 22 and vertical portion 23, and described transverse part 22 and vertical portion 23 constitute institute
T-shaped second bearing 2 stated, described lock tube 7 is on the vertical portion 23 of the second bearing 2.Such structure is easy to the second bearing
And the installation of lock tube, and lock tube installs Positive rotational and sliding is all convenient and reliable.
Described lock tube 7 includes the sleeve part 72 being connected with insulated transmission part 6 and the rotation section being connected with operating shaft 4
73, described rotation section 73 is inner hexagonal hole.Described insulated transmission part 6 is provided with the plug 61 in insertion sleeve portion 72.So
Structure be easy to the motion of product it is ensured that the action message of product.
Every technical staff's notice：Although this utility model describes according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, the repacking of any utilization inventive concept, all will include this specially
In sharp scope of patent protection.
Claims (9)
1. a kind of interlock at earthed switch back door it is characterised in that:Including the first bearing（1）, the second bearing（2）And with connect
Ground connecting lever（3）The operating shaft being connected（4）, described the first bearing（1）It is provided with the connection being connected with earthed switch back door
Dynamic set（5）, described linkage set（5）With operating shaft（4）It is coaxially disposed, described the first bearing（1）With the second bearing（2）Between
It is provided with insulated transmission part（6）, described insulated transmission part（6）One end with linkage set（5）It is connected, the other end passes through lock tube
（7）With operating shaft（4）It is connected, described lock tube（7）With operating shaft（4）Circumferentially rotate cooperation and along operating shaft（4）Axially sliding
Move cooperation, described lock tube（7）Have when back door is opened and the second bearing（2）Coordinate locked operating shaft（4）Primary importance and
By the set that links when back door is closed（5）Drive unblock and operating shaft（4）The second position rotating together.
2. the interlock at earthed switch back door according to claim 1 is it is characterised in that described lock tube（7）It is provided with
Limited block（71）, described limited block（71）In lock tube（7）It is in during primary importance and the second bearing（2）Circumferentially rotate spacing joining
Close.
3. the interlock at earthed switch back door according to claim 2 is it is characterised in that described the second bearing（2）On
It is provided with shoulder block（21）, described limited block（71）In lock tube（7）It is in during primary importance and the second bearing（2）On shoulder block（21）
Circumferentially rotate spacing cooperation.
4. the interlock at earthed switch back door according to claim 3 is it is characterised in that described limited block（71）?
Lock tube（7）It is in during the second position and shoulder block（21）Along operating shaft（4）Axial limiting coordinates.
5. the interlock at earthed switch back door according to claim 2 is it is characterised in that described limited block（71）Have
Two and be symmetricly set in lock tube（7）Circumferential exterior surface on.
6. the interlock at earthed switch back door according to claim 1 is it is characterised in that described the second bearing（2）Bag
Include transverse part（22）And vertical portion（23）, described transverse part（22）And vertical portion（23）Constitute T-shaped described second bearing
（2）, described lock tube（7）Located at the second bearing（2）Vertical portion（23）On.
7. the interlock at earthed switch back door according to claim 1 is it is characterised in that described lock tube（7）Including with
Insulated transmission part（6）The sleeve part being connected（72）And with operating shaft（4）The rotation section being connected（73）, described rotation section
（73）For inner hexagonal hole.
8. the interlock at earthed switch back door according to claim 7 is it is characterised in that described insulated transmission part（6）
It is provided with insertion sleeve portion（72）Plug（61）.
9. the interlock at earthed switch back door according to claim 1 is it is characterised in that described insulated transmission part（6）
For Fiber glass rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919077.3U CN206003682U (en) | 2016-08-23 | 2016-08-23 | The interlock at earthed switch back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919077.3U CN206003682U (en) | 2016-08-23 | 2016-08-23 | The interlock at earthed switch back door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003682U true CN206003682U (en) | 2017-03-08 |
Family
ID=58198064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620919077.3U Active CN206003682U (en) | 2016-08-23 | 2016-08-23 | The interlock at earthed switch back door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316773A (en) * | 2017-07-11 | 2017-11-03 | 江苏镇德电力设备有限公司 | A kind of earthing knife-switch interlock connector |
-
2016
- 2016-08-23 CN CN201620919077.3U patent/CN206003682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316773A (en) * | 2017-07-11 | 2017-11-03 | 江苏镇德电力设备有限公司 | A kind of earthing knife-switch interlock connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Address before: 325006, Jixian Road, Wenzhou, Ouhai District, Zhejiang province 12 Patentee before: WENZHOU XINGJI ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Xingji Electric Appliance Group Co.,Ltd. Country or region after: China Address before: 325000 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |