CN105097325B - A kind of misoperation-proof mechanism of interlocking mechanism - Google Patents
A kind of misoperation-proof mechanism of interlocking mechanism Download PDFInfo
- Publication number
- CN105097325B CN105097325B CN201510417798.4A CN201510417798A CN105097325B CN 105097325 B CN105097325 B CN 105097325B CN 201510417798 A CN201510417798 A CN 201510417798A CN 105097325 B CN105097325 B CN 105097325B
- Authority
- CN
- China
- Prior art keywords
- rear door
- interlocking bar
- relative
- front door
- installing 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 239000007937 lozenge Substances 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
Abstract
The present invention discloses a kind of misoperation-proof mechanism of interlocking mechanism, pitman shaft is to being movably arranged in installing plate, back-moving spring is installed in connecting rod, thimble one end is connected with connecting rod, the thimble other end is extended in the handle hole of interlocking mechanism, and profile groove is set in connecting rod, extruding plate is pivotally connected in profile groove；Front door latch lever one end is radially movable to be arranged in installing plate, and relative with extruding plate side, sets the first compression spring for resetting front door latch lever between front door latch lever and installing plate, and the front door latch lever other end is relative with front gate of high-voltage switch cabinet；Rear door interlocking bar one end is radially movable to be arranged in installing plate, and relative with extruding plate opposite side, sets the second compression spring for resetting rear door interlocking bar between rear door interlocking bar and installing plate, and the rear door interlocking bar other end is relative with back door of high-tension switch cubicle.The invention enables during the opening of one of the front door of high-tension switch cabinet and back door, earthed switch operation handle can not insertion operation hole, effectively prevent maloperation.
Description
Technical field
The present invention relates to high-tension switch cabinet technical field, refers in particular to a kind of misoperation-proof mechanism of interlocking mechanism.
Background technology
In the prior art, it is to ensure safe operation, can be with simultaneously closing off state at the front door of high-tension switch cabinet and back door
Operational grounding switch turns to gate-dividing state by "on" position；And the front door of high-tension switch cabinet and back door at least one of which are opened
Under state, the earthed switch of high-tension switch cabinet closes a floodgate, and in the on-state, need to ensure that earthed switch can not operate, make ground connection
Switch is constantly in "on" position, to ensure operating personnel's safety.
As shown in figure 1 to figure 13, the front gate of high-voltage switch cabinet and rear door interlocking mechanism that prior art discloses, including action bars
10th, front door closedown structure 20 and back door closedown structure 30, action bars 10 may be rotatably mounted in cabinet 40, be set on cabinet 40
Handle hole 401, as shown in figure 4, earthed switch operation handle（Not shown in figure）It is connected, grasps with action bars 10 through handle hole 401
Make the linkage front door closedown structure 20 of bar 10 and back door closedown structure 30, while linking earthing switch.
As shown in Figure 6 to 8, front door closedown structure 20 includes depression bar 201, latch plate 202 and cam 203, and depression bar 201 is lived
It is dynamic to be arranged on cabinet 40, fixed mount 402 is generally first set on cabinet 40, upper limit hole 4021 is set on fixed mount 402
With lower limit hole 4022, depression bar 201 is movably arranged in upper limit hole 4021 and lower limit hole 4022, and is installed on depression bar 201
Back-moving spring 2011, the compression reseting spring 2011 of ejection depression bar 201 so that depression bar 201 stretches out lower limit hole 4022；Latch plate
202 are articulated on fixed mount 402, and latch plate 202 is relative with lower limit hole 4022, and butting section is extended in latch plate 202
2021, the locking lacing film 501 coordinated with the butting section 2021 of latch plate 202 is set on front door 50；Cam 203 is arranged on action bars 10
On, under earthed switch "on" position, the paraxial portion 2031 of cam 203 and depression bar 201 against.
When front door 50 is opened, latch plate 202 is horizontal under gravity, latch plate 202 and the lower end phase of depression bar 201
Right, now, rotating operation bar 10, action bars 10 drives cam 203 to rotate, and the distal shaft portion 2032 of cam 203 is against on depression bar 201
End, and the lower end of depression bar 201 is against latch plate 202, can not rotate makes grounding switch tripping.
When front door 50 is closed, the butting section 2021 of front door 50 locking lacing film, 501 ejection latch plate 202, latch plate 202 is swung partially
The lower end of tripping bar 201, now, rotating operation bar 10, action bars 10 drives cam 203 to rotate, the distal shaft portion 2032 of cam 203 against
The upper end of depression bar 201, and depression bar 201 moves down, and can make grounding switch tripping with rotating operation bar 10, being rotated further action bars 10 makes to connect
When ground switch closes a floodgate, depression bar 201 resets in the presence of back-moving spring 2011.
As shown in Fig. 9 to Figure 12, back door closedown structure 30 includes fixed plate 301, limiting plate 302 and gag lever post 303, fixed
Plate 301 is fixed on cabinet 40, in the activity insertion fixed plate 301 of action bars 10, and limiting plate 302 is installed on action bars 10,
Gag lever post 303 is movably arranged in fixed plate 301, and back-moving spring 3031, earthed switch "on" position are installed on gag lever post 303
Under, gag lever post 303 limits limiting plate 302 and rotated, and is rotated so as to limit action bars 10；Pressing plate 601, pressing plate are set on back door 60
Slot to make way 6011, closing back door 60 are set on 601, and the movement of the ejection gag lever post 303 of pressing plate 601 is stepped down, and limiting plate 302 can be in pressing plate
Swung in 601 slots to make way 6011, action bars 10 can rotate.
When back door 60 is opened, gag lever post 303 is raised in the presence of back-moving spring 3031, and limitation limiting plate 302 rotates, this
When, action bars 10 can not rotate；When back door 60 is closed, the movement of the ejection gag lever post 303 of 60 pressing plate of back door 601 is stepped down, limiting plate 302
It can be swung in the slot to make way 6011 of pressing plate 601, action bars 10 can rotate.
Therefore, when only front gate of high-voltage switch cabinet and back door simultaneously close off, earthed switch can be made by closing with rotating operation bar
Lock state turns to gate-dividing state.However, under the interlocking mechanism front door and back door at least one of which open mode, with operation
The handle hole of bar connection still may be inserted into earthed switch operation handle, is connected with action bars, now, must if operated by force
So limiting plate of the depression bar of infringement front door closedown structure and back door closedown structure, causes maloperation and security incident occurs.
The content of the invention
It is an object of the invention to provide a kind of misoperation-proof mechanism of interlocking mechanism so that the front door of high-tension switch cabinet and
One of back door open when, earthed switch operation handle can not insertion operation hole, effectively prevent maloperation.
To reach above-mentioned purpose, solution of the invention is：
A kind of misoperation-proof mechanism of interlocking mechanism, including connecting rod, installing plate, thimble, extruding plate, front door latch lever and
Rear door interlocking bar；Pitman shaft installs back-moving spring, thimble one end and connecting rod to being movably arranged in installing plate in connecting rod
Connection, the thimble other end is extended in the handle hole of interlocking mechanism, and profile groove is set in connecting rod, and extruding is pivotally connected in profile groove
Piece；Front door latch lever one end is radially movable to be arranged in installing plate, and, front door latch lever and installing plate relative with extruding plate side
Between the first compression spring for resetting front door latch lever is set, the front door latch lever other end is relative with front gate of high-voltage switch cabinet；
Rear door interlocking bar one end is radially movable to be arranged in installing plate, and, rear door interlocking bar and installing plate relative with extruding plate opposite side
Between the second compression spring for resetting rear door interlocking bar is set, the rear door interlocking bar other end is relative with back door of high-tension switch cubicle.
Further, extruding plate is provided with lozenges, and the lozenges and rear door interlocking bar one end are relative and relative with lozenges
Rear door interlocking bar one end be also configured as wedge shape.
Further, the rear door interlocking bar other end relative with back door of high-tension switch cubicle is arranged on high-tension switch cabinet by pedestal
On cabinet, and the back-moving spring for resetting rear door interlocking bar is set between rear door interlocking bar and pedestal.
After such scheme, when the front/rear door of high-tension switch cabinet of the present invention simultaneously closes off, ejection front door, front door latch lever
It is mobile, ejection extruding plate side, meanwhile, back door ejection rear door interlocking bar moves, ejection extruding plate opposite side, and extruding plate both sides are same
Shi Shouli so that extruding plate moves down, and promotes connecting rod to move down, and linkage thimble moves down, and thimble departs from interlocking machine
The handle hole of structure, now, the handle hole of interlocking mechanism may be inserted into earthed switch operation handle, and rotating operation bar makes earthed switch
By closing a floodgate to separating brake.
The front door of high-tension switch cabinet is opened, and either back door opening or front door and back door are opened simultaneously when, extruding plate only has
Side stress, or both sides all do not stress so that extruding plate no longer extrudes connecting rod movement, and thimble inserts the operation of interlocking mechanism
Hole, now, the handle hole of interlocking mechanism can not insert earthed switch operation handle, it is ensured that safe operation.
The invention enables during the opening of one of the front door of high-tension switch cabinet and back door, earthed switch operation handle can not insert
Enter handle hole, effectively prevent maloperation, it is ensured that the operating characteristics of interlocking mechanism.
Brief description of the drawings
Fig. 1 is the front view of prior art；
Fig. 2 is state diagram when prior art front door is closed；
Fig. 3 is state diagram when prior art front door is opened；
Fig. 4 is the three-dimensional combination figure of prior art；
Fig. 5 is the three-dimensional exploded view of prior art；
Fig. 6 is the front door closedown structure schematic diagram of prior art；
Fig. 7 is the front door structure schematic diagram of prior art；
Fig. 8 is the front door closedown structure side view of prior art；
Fig. 9 is the back door closedown structure schematic diagram of prior art；
Figure 10 is the back door structure schematic diagram of prior art；
Figure 11 is the back door closedown structure three-dimensional combination figure of prior art；
Figure 12 is the back door closedown structure three-dimensional exploded view of prior art；
Figure 13 is the front view of the present invention；
Figure 14 is the three-dimensional combination figure of the present invention；
Figure 15 is the partial exploded view of the present invention；
Figure 16 is the present invention and interlocking mechanism's cooperation schematic diagram；
Figure 17 is that the present invention coordinates side view with interlocking mechanism；
Figure 18 is the three-dimensional exploded view of the present invention；
Figure 19 is view when front door and back door of the present invention are opened；
Figure 19 a are Figure 19 partial enlarged drawings；
Figure 20 is that front door of the present invention is closed and back door view when opening；
Figure 20 a are Figure 20 partial enlarged drawings；
Figure 21 is that front door of the present invention is opened and back door view when closing；
Figure 21 a are Figure 21 partial enlarged drawings；
Figure 22 is view when front door and back door of the present invention are closed；
Figure 22 a are Figure 22 partial enlarged drawings.
Label declaration
The front door closedown structure 20 of action bars 10
The back-moving spring 2011 of depression bar 201
The butting section 2021 of latch plate 202
The paraxial portion 2031 of cam 203
The back door closedown structure 30 of distal shaft portion 2032
The limiting plate 302 of fixed plate 301
The back-moving spring 3031 of gag lever post 303
The handle hole 401 of cabinet 40
The upper limit hole 4021 of fixed mount 402
The front door 50 of lower limit hole 4022
The back door 60 of locking lacing film 501
The slot to make way 6011 of pressing plate 601
The back-moving spring 11 of connecting rod 1
The installing plate 2 of profile groove 12
The extruding plate 4 of thimble 3
The compression spring 51 of front door latch lever 5 first
The compression spring 61 of rear door interlocking bar 6 second.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Refering to shown in Figure 13 to Figure 22 a, a kind of misoperation-proof mechanism for interlocking mechanism that the present invention discloses, including connecting rod
1st, installing plate 2, thimble 3, extruding plate 4, front door latch lever 5 and rear door interlocking bar 6.
As shown in figure 18, connecting rod 1 is axially movably arranged in installing plate 2, and back-moving spring 11, top are installed in connecting rod 1
The one end of pin 3 is connected with connecting rod 1, and the other end of thimble 3 is extended in the handle hole 401 of interlocking mechanism, and is set in connecting rod 1
Profile groove 12, extruding plate 4 is pivotally connected in profile groove 12.
The one end of front door latch lever 5 is radially movable to be arranged in installing plate 2, and, front door latch lever relative with the side of extruding plate 4
The first compression spring 51 for resetting front door latch lever 5 is set between 5 and installing plate 2, and the other end of front door latch lever 5 presses off with height
It is relative to close cabinet front door 50.
The one end of rear door interlocking bar 6 is radially movable to be arranged in installing plate 2, and, rear door interlocking relative with extruding plate opposite side
The second compression spring 61 for resetting rear door interlocking bar 6, the other end of rear door interlocking bar 6 and high pressure are set between bar 6 and installing plate 2
Rear door of switch cabinet 60 is relative.
To cause extruding plate 4 to drive connecting rod 1 smooth, extruding plate 4 is provided with lozenges 41, and the lozenges 41 connects with back door
The one end of locking bar 6 is relative, and rear door interlocking bar 6 one end relative with lozenges 41 is also configured as wedge shape.
Simultaneously make it that it is smooth that rear door interlocking bar 6 moves, another relative with back door of high-tension switch cubicle 60 of rear door interlocking bar 6
End is arranged on high-tension switch cabinet body 40 by pedestal 62, and setting makes rear door interlocking between rear door interlocking bar 6 and pedestal 62
The back-moving spring 63 that bar 6 resets.
As shown in Figure 19 and Figure 19 a, front door 50 and back door 60 are opened simultaneously when, the both sides of extruding plate 4 all do not stress so that squeeze
Tabletting 4 no longer extrudes connecting rod 1 and moved, and thimble 4 is inserted in the handle hole 401 of interlocking mechanism, now, the handle hole of interlocking mechanism
401 can not insert earthed switch operation handle, it is ensured that safe operation.
As shown in Figure 20 and Figure 20 a, front door 50 is closed, back door 60 open when, the side stress of extruding plate 4, opposite side not by
Power so that extruding plate 4 no longer extrudes connecting rod 1 and moved, and thimble 4 is inserted in the handle hole 401 of interlocking mechanism, now, interlocking machine
The handle hole 401 of structure can not insert earthed switch operation handle, it is ensured that safe operation.
As shown in Figure 21 and Figure 21 a, front door 50 is opened, back door 60 close when, the side stress of extruding plate 4, opposite side not by
Power so that extruding plate 4 no longer extrudes connecting rod 1 and moved, and thimble 4 is inserted in the handle hole 401 of interlocking mechanism, now, interlocking machine
The handle hole 401 of structure can not insert earthed switch operation handle, it is ensured that safe operation.
As shown in Figure 22 and Figure 22 a, when the front door 50 and back door 60 of high-tension switch cabinet simultaneously close off, ejection front door, front door 50
Latch lever 5 moves, the side of ejection extruding plate 4, meanwhile, the ejection rear door interlocking bar 6 of back door 60 moves, the opposite side of ejection extruding plate 4,
The both sides of extruding plate 4 stress simultaneously so that extruding plate 4 moves down, and promotes connecting rod 1 to move down, and linkage thimble 3 is to moving down
Dynamic, thimble 3 departs from the handle hole 401 of interlocking mechanism, and now, the handle hole 401 of interlocking mechanism may be inserted into earthed switch operation
Handle, rotating operation bar make earthed switch by closing a floodgate to separating brake.
The preferred embodiments of the present invention are the foregoing is only, not the limitation of this case design, all designs according to this case are closed
The equivalent variations that key is done, each fall within the protection domain of this case.
Claims (3)
- A kind of 1. misoperation-proof mechanism of interlocking mechanism, it is characterised in that：Including connecting rod, installing plate, thimble, extruding plate, preceding Door latch lever and rear door interlocking bar；Pitman shaft installs back-moving spring, thimble one to being movably arranged in installing plate in connecting rod End is connected with connecting rod, and the thimble other end is extended in the handle hole of interlocking mechanism, and profile groove is set in connecting rod, in profile groove It is pivotally connected extruding plate；Front door latch lever one end is radially movable to be arranged in installing plate, and, front door latch lever relative with extruding plate side Being set between installing plate makes the first compression spring of front door latch lever reset, before the front door latch lever other end and high-tension switch cabinet Door is relative；Rear door interlocking bar one end is radially movable to be arranged in installing plate, and relative with extruding plate opposite side, rear door interlocking bar with The second compression spring for resetting rear door interlocking bar, the rear door interlocking bar other end and back door of high-tension switch cubicle are set between installing plate Relatively.
- A kind of 2. misoperation-proof mechanism of interlocking mechanism as claimed in claim 1, it is characterised in that：Extruding plate is provided with wedge shape Face, lozenges rear door interlocking bar one end relative and relative with lozenges with rear door interlocking bar one end are also configured as wedge shape.
- A kind of 3. misoperation-proof mechanism of interlocking mechanism as claimed in claim 1, it is characterised in that：Rear door interlocking bar and high pressure The relative other end of rear door of switch cabinet is arranged on high-tension switch cabinet body by pedestal, and is set between rear door interlocking bar and pedestal Put the back-moving spring for resetting rear door interlocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417798.4A CN105097325B (en) | 2015-07-16 | 2015-07-16 | A kind of misoperation-proof mechanism of interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417798.4A CN105097325B (en) | 2015-07-16 | 2015-07-16 | A kind of misoperation-proof mechanism of interlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105097325A CN105097325A (en) | 2015-11-25 |
| CN105097325B true CN105097325B (en) | 2017-11-17 |
Family
ID=54577532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510417798.4A Expired - Fee Related CN105097325B (en) | 2015-07-16 | 2015-07-16 | A kind of misoperation-proof mechanism of interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105097325B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887199B (en) * | 2017-12-20 | 2020-03-24 | 青岛特锐德电气股份有限公司 | Switch cabinet door-closing interlocking mechanism |
| CN110010382B (en) * | 2019-04-04 | 2024-02-23 | 江苏天翔电气有限公司 | Driving device of high-voltage grounding switch operating rod |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10321090A (en) * | 1997-05-23 | 1998-12-04 | Nissin Electric Co Ltd | Operating device for disconnecting switch and grounding switch |
| CN201741602U (en) * | 2009-12-17 | 2011-02-09 | 江山市森源电器有限公司 | Interlocking device of ground switch operating mechanism of central-positioned high-voltage switch cabinet |
| CN202534578U (en) * | 2012-01-13 | 2012-11-14 | 昆明东控电器成套设备有限公司 | Switch cabinet isolating switch and grounding switch interlocking device |
| KR101690132B1 (en) * | 2012-11-05 | 2016-12-27 | 엘에스산전 주식회사 | Interlock device for gas insulation switchgear |
| CN103093984B (en) * | 2013-01-17 | 2017-02-08 | 国家电网公司 | Switchgear earthing switch and cable room door interlocking mechanism |
-
2015
- 2015-07-16 CN CN201510417798.4A patent/CN105097325B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105097325A (en) | 2015-11-25 |
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Granted publication date: 20171117 Termination date: 20200716 |