CN106710912B - Switchgear procedure lock - Google Patents
Switchgear procedure lock Download PDFInfo
- Publication number
- CN106710912B CN106710912B CN201710031193.0A CN201710031193A CN106710912B CN 106710912 B CN106710912 B CN 106710912B CN 201710031193 A CN201710031193 A CN 201710031193A CN 106710912 B CN106710912 B CN 106710912B
- Authority
- CN
- China
- Prior art keywords
- tapered end
- switchgear
- final stage
- tooth
- block piece
- 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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Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 108090000565 Capsid Proteins Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012216 screening Methods 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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/287—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers
Landscapes
- Patch Boards (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to switchgear procedure locks.The tapered end of switchgear procedure lock is equipped with two or more, and the final stage tapered end including being sequentially connected with block piece, block piece is used to block handle hole when final stage tapered end is closed；Only have two the case where for tapered end, has between the tapered end and block piece adjacent with final stage tapered end or between final stage tapered end and be used for mutually matched limiting section；The case where for three or more tapered ends, between the tapered end and block piece adjacent with final stage tapered end or between final stage tapered end, and be equipped between adjacent two in other tapered ends in addition to final stage tapered end and be used for mutually matched limiting section, limiting section is used to stop latter tapered end to be opened when previous tapered end is closed and stop previous tapered end to be closed when latter tapered end is opened.Above procedure lock only has final stage tapered end when being inserted into key in each tapered end that can open and then open block piece, can be realized the sequence operation that N selects two or N choosing more.
Description
Technical field
The present invention relates to switchgear procedure locks.
Background technique
Switchgear is in power supply system, and especially in ring network power supply system, when such as dual power supply or three power supplys are supplied
When electric, specific operation order or relationship in need between switchgear, failure or accident when preventing from powering.Currently, in order to mention
High power supply reliability shortens power off time, and ring network power supply mode is using more and more extensive, and user is to this ring network power supply switchgear
Between mandatory sequence operation require it is more and more.It is usually grasped by the modes such as notice board realization sequence in traditional switch cabinet
Make, but this mode be it is indicative, there are the risks of maloperation.There are also be arranged to connect in several switchgear brackets in the prior art
Plate or connecting rod and specific mechanical driving device control the structure in power operation hole, and only handle hole is opened, just can be carried out
The conjunction of power supply point operation, but structure is complicated for this mode, poor reliability, and installation maintenance is inconvenient.
Authorization Notice No. is that the Chinese patent of CN201392995Y discloses a kind of twin-power switch cabinet alternative interlocking dress
It sets, power supply conjunction is equipped with for the interlocking of two power switch cabinets, in each power switch cabinet and divides operating shaft, in each power switch
Position corresponding with power supply conjunction point operating shaft is equipped with the handle hole for closing convenient for operation power and dividing operating shaft on cabinet, each switchgear
The tapered end with identical keys is equipped at handle hole, the key of each tapered end cannot be extracted when tapered end is in the open state, locked
Head could be extracted when being in close state；The lock core of tapered end can rotate, and be sequentially connected on lock core for blocking handle hole
Baffle is additionally provided with and the operating shaft limit body (the second limit body in i.e. above-mentioned patent) on power supply breaking-closing operating axis on lock core
Corresponding lock core limit body (the first limit body in i.e. above-mentioned patent).Above-mentioned baffle forms block piece, total with lock core limit body
It being rotated together with lock core, when tapered end is in close state, baffle shelters from handle hole, and it is unable to operation power and closes point operating shaft,
When tapered end is in the open state, baffle no longer blocks handle hole, and handle hole is opened, and can be closed with operation power and divide operating shaft.Meanwhile
In the open state, the operating shaft limit body on power supply breaking-closing operating axis limits the lock core limit body on tapered end to tapered end
Position, avoids tapered end from turning to closed state, and then key is avoided to extract.As long as the handle hole of one of switchgear is opened simultaneously
And the switchgear is in "on" position, tapered end can not just close, and key also can not just be extracted, and only be opened in handle hole
Switchgear be in an off state Shi Caineng block handle hole and extract key.In this way, since key only has one, as long as one
Switchgear is connected, and the handle hole that the key opens another switchgear can not be just reused, it is necessary to first be closed the switchgear,
Key can be extracted and another switchgear is operated, to realize the purpose of interlocking.
But the feelings for the sequence operation that N selects two or N to select more (N >=3) are carried out for needing to carry out three or more switchgears
Condition, due to needing two or more keys, existing interlock just not can guarantee operation order.
Summary of the invention
The object of the present invention is to provide a kind of switchgear procedure locks, cannot achieve N to solve procedure lock in the prior art
The problem of sequence for selecting two or N choosing more operates.
To achieve the above object, the technical solution adopted by the present invention is that: switchgear procedure lock, including with open state and
The block piece of the tapered end of closed state and the handle hole for blocking switchgear, the key of the tapered end are only in tapered end and close
It can be extracted when state, the tapered end is equipped with two or more, the final stage tapered end including being sequentially connected with the block piece, the screening
Block piece is used to block handle hole when final stage tapered end is closed；Only have two the case where for tapered end, the lock adjacent with final stage tapered end
Have between head and block piece or between final stage tapered end and is used for mutually matched limiting section；For the feelings of three or more tapered ends
Condition, other between the tapered end and block piece adjacent with final stage tapered end or between final stage tapered end, and in addition to final stage tapered end
It is equipped between adjacent two in tapered end and is used for mutually matched limiting section, the limiting section is used for when previous tapered end is closed
Stop latter tapered end to be opened and stops previous tapered end to be closed when latter tapered end is opened.
The lock core of final stage tapered end is equipped with gear, and the block piece is the tooth plate with gear cooperation.
The switchgear procedure lock includes shell, and shell is equipped with avoid holes corresponding with the handle hole of switchgear.
The tooth plate includes the occlusion part of plate and the tooth-strip part of strip, is formed and is lacked between the occlusion part and tooth-strip part
Mouthful, shell is equipped with switch cabinet state indicator hole corresponding with the notch.
The tapered end has two, and respectively the first tapered end and the second tapered end, the final stage tapered end are the second tapered end, the first lock
The lock core of head is equipped with jam plate, and the jam plate has when the second tapered end is in close state and the end block of the tooth-strip part
The rack gear stop section of cooperation, also have when the second tapered end is in the open state with a side block of the width direction of the tooth-strip part
Only cooperate the anti-rotation stop section to prevent jam plate from rotating to closing direction, the limiting section of second tapered end is by the anti-rotation
Stop section is formed with rack gear stop section.
The tooth plate or shell are equipped with elastic top-pressure part, and on the shell or tooth plate is equipped with matching for elastic top-pressure part
Conjunction portion insertion location hole, location hole include closing location hole corresponding with the closed state of the first tapered end and with the first tapered end
The corresponding unlatching location hole of open state.
The location hole is arranged on jam plate, and the shell is equipped with ball mounting groove, and the elasticity top-pressure part includes setting
The ball in ball mounting groove is set, spring is equipped between ball and the cell wall of ball mounting groove.
The spring is equipped with two or more, and each spring is uniformly distributed along the circumferential direction of ball mounting groove.
The lock core of the final stage tapered end is equipped with for corresponding with the operating shaft limit body on power supply breaking-closing operating axis
Lock core limit body, the lock core limit body are the limit plate being vertically fixed on the inner face of lock core.
The utility model has the advantages that the present invention is by adopting the above technical scheme, the tapered end of switchgear procedure lock is equipped with two or more, the lock
The key of head can only be extracted when tapered end is in close state, and only have two the case where for tapered end, adjacent with final stage tapered end
Tapered end and block piece between or between final stage tapered end have be used for mutually matched limiting section；For three or more tapered ends
Situation, its between the tapered end and block piece adjacent with final stage tapered end or between final stage tapered end, and in addition to final stage tapered end
It is equipped between adjacent two in his tapered end and is used for mutually matched limiting section, the limiting section is used to close in previous tapered end
When stop latter tapered end to be opened and stop previous tapered end to be closed when latter tapered end is opened, therefore, only final stage tapered end
Final stage tapered end can be turned on and then open block piece after being inserted into key in each tapered end before and opening, and hide
Any key can not be extracted before block piece is closed, so that an other switchgear be avoided to be operated, need to operate another
When switchgear, must just block piece be made to be closed, to realize the sequence operation that N selects two or N choosing more.
Detailed description of the invention
Fig. 1 is the overall structure main view of one embodiment of switchgear procedure lock in the present invention；
Fig. 2 is the top view of Fig. 1 (after insertion key)；
Fig. 3 is the A-A cross-sectional view of Fig. 1 (after insertion key)；
Fig. 4 is the rearview of Fig. 1；
Fig. 5 is the fit structure schematic diagram of jam plate and ball；
Fig. 6 is that switchgear procedure lock in Fig. 1 is dismantled the rearview after back shroud (closed state, shift plate 54 are omitted)；
Fig. 7 is that switchgear procedure lock in Fig. 1 is dismantled the rearview (opening state) after back shroud；
Fig. 8 is that the limit in invention in another embodiment of switchgear procedure lock between the first tapered end and the second tapered end is matched
It closes structural schematic diagram (closed state).
The corresponding title of each appended drawing reference in figure are as follows: 10- shell, 11- procapsid, 12- back shroud, 13- avoid holes, 14-
Switch cabinet state indicator hole, the first tapered end of 21-, the second tapered end of 22-, 23- keyhole, 24- key, 25- gear, 30- tooth plate,
31- occlusion part, 32- tooth-strip part, 40- jam plate, 41- rack gear stop section, 42- anti-rotation stop section, 43- open location hole, and 44- is closed
Location hole, 51- ball mounting groove, 52- ball, 53- spring, 54- shift plate, the first closed state of 61- stop section, 62- first are beaten
Open state stop section, the second closed state of 63- stop section, the second opening state of 64- stop section.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
One embodiment of switchgear procedure lock of the present invention is that a kind of four for ring network cabinet select two as shown in Fig. 1 ~ Fig. 7
The procedure lock of operation, including shell 10, the first tapered end 21, the second tapered end 22 and tooth plate 30, due to being provided only with two tapered ends, by lock
The opening sequence of head, the second tapered end 22 are final stage tapered end.Wherein shell 10 includes procapsid 11 and back shroud 12,11 He of procapsid
Back shroud 12 is equipped with for avoid holes 13 corresponding with the handle hole of switchgear.First tapered end 21 and the second tapered end 22 all have
Open state and closed state, two tapered ends are using identical key 24 and key 24 only can when tapered end is in close state
It extracts, the slewing area of the first tapered end 21 is 30 °, and the slewing area of the second tapered end 22 is 180 °.Row of the tooth plate 30 along each tapered end
Column direction guiding movement is arranged on the housing 10, has and blocks the handle hole of switchgear for blocking avoid holes 13 and then realizing
Block position and make the handle hole of avoid holes 13 and switchgear expose open position, tooth plate 30 constitute for blocking switchgear
The block piece of handle hole.In other embodiments, the slewing area of tapered end can also be according to the position of the limiting section on each tapered end
Movement with block piece needs to be set as other values.
The lock core of first tapered end 21 is equipped with jam plate 40, and the lock core of the second tapered end 22 is equipped with gear 25, jam plate 40 and tooth
Wheel 25 can be rotated synchronously with corresponding lock core.Tooth plate 30 includes the occlusion part 31 of plate and the tooth-strip part 32 of strip, is blocked
Portion 31 is used to block the handle hole of switchgear, and tooth-strip part 32 is equipped with the engaging tooth engaged with gear 25.Occlusion part 31 and rack gear
Notch is formed between portion 32, shell 10 is equipped with switch cabinet state indicator hole 14 corresponding with notch, and it is compact-sized, convenient for observation
The state of switchgear, jam plate 40 have when the second tapered end 22 is in close state with tooth-strip part 32 close to the end of the first tapered end 21
The rack gear stop section 41 of portion's block cooperation also has the width direction when the second tapered end 22 is in the open state with tooth-strip part 32
Corresponding side block cooperate anti-rotation stop section 42 to prevent jam plate 40 from rotating to closing direction, the end of tooth-strip part 32 and jam plate
40 rack gear stop section 41, the corresponding side of width direction of tooth-strip part 32 and the anti-rotation stop section 42 of jam plate 40 form limiting section,
Limiting section is used to stop the second tapered end 22 to be opened when the first tapered end 21 is closed, and stops first when the second tapered end 22 is opened
Tapered end 21 is closed, and certainly, the first tapered end 21 is also necessarily in open state when the second tapered end 22 is opened.
In order to avoid the position of jam plate 40 changes under the factors such as vibration or gravity, procapsid 11 is pacified equipped with ball
Tankage 51, ball mounting groove 51 is interior to be equipped with ball 52, and spring 53, spring are equipped between ball 52 and the cell wall of ball mounting groove 51
53 are equipped with along circumferentially uniformly distributed two or more of ball mounting groove 51, can guarantee the dexterous actions of ball 52, avoid ball 52 by
Power is crooked and causes clamping stagnation；Accordingly, it is set on jam plate 40 there are two the location hole of the insertion of the top for ball 52, location hole includes
And the corresponding closing location hole 44 of the closed state of the first tapered end 21 and open corresponding with the open state of the first tapered end 21 are determined
Position hole 43, in use, the elastic top-pressure part being made of ball 52 and spring 53 can turn to closed state in jam plate 40 or beat
Jam plate 40 is positioned when open state.Certainly, in other embodiments, ball 52 can also be arranged on jam plate 40, and
On the housing 10 by location hole setting；Also, in other embodiments, elastic top-pressure part also could alternatively be other forms, example
Elastic arm as being equipped with male cooperation corresponding with location hole portion.
The lock core of second tapered end 22 is equipped with shift plate 54, and shift plate forms limit plate, is used for and power supply breaking-closing operating axis
Operating shaft limit body it is corresponding.When switchgear is in "on" position, the power supply breaking-closing operating axis of shift plate 54 and inside switch cabinet
On operating shaft limit body cooperation, prevent the second tapered end to closing direction rotate, to prevent the key on the second tapered end from being pulled out
Out.Operating shaft limit body when switchgear is in gate-dividing state, on the power supply breaking-closing operating axis of shift plate 54 and inside switch cabinet
Cooperation is released, the second tapered end can be rotated to closing direction, and key when turning to closed state on the second tapered end can be pulled out
Out.
A kind of usage mode of switchgear procedure lock is as follows in the present invention: in one of them of four switchgears in setting
Switchgear procedure lock is stated, setting has the Lock for switch cabinet of single tapered end on other three switchgears, is being equipped with above-mentioned switchgear
When the switchgear of procedure lock is in gate-dividing state, two keys 24 are inserted into the key of the first tapered end 21 and the second tapered end 22 respectively
In hole 23, the key 24 of the first tapered end 21 is first rotated counterclockwise 30 ° to opening state (direction as shown in Figure 1), key 24
It drives jam plate 40 to rotate, jam plate 40 is positioned by ball 52 and spring 53 after rotateing in place, key 24 can not be from this time
It is extracted on first tapered end 21.After jam plate 40 rotate in place, block no longer is carried out to tooth plate 30, can be rotated clockwise again at this time
Key 24 on second tapered end 22, band moving gear 25, and then moved with moving tooth plate 30 to the first tapered end 21,180 ° of rotation is extremely opened
Avoid holes 13 are exposed after state, can operate the switch of the switchgear at this time, the limitation by tooth plate 30 to jam plate 40, and at this time the
The key 24 of one tapered end 21 is rotated without normal direction closed state.By the limit between key and tapered end, two equal nothings of key at this time
Method is taken out.Closing operation can be carried out to switchgear by avoid holes 13 or carry out sub-switching operation, when operation can be by opening
It closes cabinet state indicator hole 14 and observes switch state.
When to take key away, need first to be equipped with the switchgear separating brake of above-mentioned switchgear procedure lock, by the second tapered end 22
Key 24 rotate counterclockwise 180 ° to closed state, tooth plate 30 is moved to avoid holes 13, the handle hole of switchgear is blocked, this
When can take out key 24 on the second tapered end 22.The key 24 on the first tapered end 21 is rotated clockwise 30 ° to closing shape again
State, key drive jam plate 40 to rotate, and are positioned by ball 52 and spring 53 to jam plate 40 after rotateing in place, and can incite somebody to action at this time
Key 24 on first tapered end 21 is extracted.At this time by limit of the jam plate 40 to tooth plate 30, the second tapered end 22 can not be operated.It uses
The key removed can carry out closing operation to other switchgears, and the switchgear for having removed key at this time is necessarily in separating brake shape
State.
In the above-described embodiments, limiting section is equipped between the tooth plate 30 on the first tapered end 21 and the second tapered end 22.In this hair
In bright other embodiments, for stopping latter tapered end to be opened when previous tapered end is closed and when latter tapered end is opened
The limiting section for stopping previous tapered end to be closed also can be set between two tapered ends, and the form of stop section also could alternatively be it
His form, such as Fig. 8, left side are the second tapered end 22, and right side is the first tapered end 21, are provided with the second closing shape on the second tapered end 22
State stop section 63 and the second opening state stop section 64, the first tapered end 21 are equipped with the first closed state stop section 61 and first dozen
Open state stop section 62, when two tapered ends are in close state (shown in Fig. 8), the first closed state stop section 61 is closed to second
63 block of state stop section avoids the second tapered end 22 from rotating counterclockwise and open (direction as shown in Figure 8), successively turns clockwise
It dynamic first tapered end 21 and rotates counterclockwise the second tapered end 22 and both makes after opening, the second opening state stop section 64 is opened to first
62 block of state stop section avoids the first tapered end 21 from rotating counterclockwise and close.In addition, in other embodiments of the invention,
It also can be set three or more according to use demand tapered end.Furthermore in other embodiments of the invention, the lock core of final stage tapered end
On can also be limited according to operating shaft for lock core limit body corresponding with the operating shaft limit body on power supply breaking-closing operating axis
The structure of position body replaces with form used by the patent in other forms, such as background technique.
In the above-described embodiments, switchgear procedure lock includes shell 10, and shell 10 is equipped with and the handle hole on switchgear
Corresponding avoid holes 13, in other embodiments, switchgear procedure lock can also be according to the shapes of the patent document in background technique
Formula is placed directly on switchgear.Also, in other embodiments, block piece also could alternatively be other forms, such as background
The baffle rotated used by patent in technology with lock core.
Claims (6)
1. switchgear procedure lock, including the tapered end with open state and closed state and the handle hole for blocking switchgear
Block piece, the key of the tapered end can only be extracted when tapered end is in close state, which is characterized in that the tapered end is equipped with two
Or more, the final stage tapered end including being sequentially connected with the block piece, the block piece is used to block when final stage tapered end is closed
Handle hole；Only have two the case where for tapered end, between the tapered end and block piece adjacent with final stage tapered end or with final stage tapered end it
Between have be used for mutually matched limiting section；The limiting section is used to stop latter tapered end to be opened when previous tapered end is closed
And previous tapered end is stopped to be closed when latter tapered end is opened, the lock core of final stage tapered end is equipped with gear, and the block piece is
With the tooth plate of gear cooperation, the switchgear procedure lock includes shell, and shell is equipped with corresponding with the handle hole of switchgear
Avoid holes, the tooth plate includes the occlusion part of plate and the tooth-strip part of strip, and the tapered end has two, respectively the first tapered end
With the second tapered end, the final stage tapered end is the second tapered end, and the lock core of the first tapered end is equipped with jam plate, and the jam plate has second
With the rack gear stop section of the end block of the tooth-strip part cooperation when tapered end is in close state, also has and be in the second tapered end
Cooperate the anti-rotation to prevent jam plate from rotating to closing direction with the side block of the width direction of the tooth-strip part when open state
The limiting section of stop section, second tapered end is formed by the anti-rotation stop section with rack gear stop section, and the tooth plate is along each
The orientation guiding movement of tapered end is arranged on shell.
2. switchgear procedure lock according to claim 1, which is characterized in that formed and lacked between the occlusion part and tooth-strip part
Mouthful, shell is equipped with switch cabinet state indicator hole corresponding with the notch.
3. switchgear procedure lock according to claim 1, which is characterized in that the tooth plate or shell are equipped with elasticity press
Part, on the shell or tooth plate is equipped with the location hole of the auxiliary section insertion for elastic top-pressure part, and location hole includes and the first lock
The corresponding closing location hole of closed state and unlatching location hole corresponding with the open state of the first tapered end of head.
4. switchgear procedure lock according to claim 3, which is characterized in that the location hole is arranged on jam plate, described
Shell is equipped with ball mounting groove, and the elasticity top-pressure part includes the ball being arranged in ball mounting groove, and ball and ball are pacified
Spring is equipped between the cell wall of tankage.
5. switchgear procedure lock according to claim 4, which is characterized in that the spring is equipped with two or more, each spring
Circumferential direction along ball mounting groove is uniformly distributed.
6. switchgear procedure lock described in any one according to claim 1-5, which is characterized in that the final stage tapered end
Lock core is equipped with for lock core limit body corresponding with the operating shaft limit body on power supply breaking-closing operating axis, the lock core limit
Body is the limit plate being vertically fixed on the inner face of lock core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031193.0A CN106710912B (en) | 2017-01-17 | 2017-01-17 | Switchgear procedure lock |
| CN201910310548.9A CN110047671B (en) | 2017-01-17 | 2017-01-17 | Switch cabinet program lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031193.0A CN106710912B (en) | 2017-01-17 | 2017-01-17 | Switchgear procedure lock |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310548.9A Division CN110047671B (en) | 2017-01-17 | 2017-01-17 | Switch cabinet program lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710912A CN106710912A (en) | 2017-05-24 |
| CN106710912B true CN106710912B (en) | 2019-05-21 |
Family
ID=58907605
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710031193.0A Active CN106710912B (en) | 2017-01-17 | 2017-01-17 | Switchgear procedure lock |
| CN201910310548.9A Expired - Fee Related CN110047671B (en) | 2017-01-17 | 2017-01-17 | Switch cabinet program lock |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310548.9A Expired - Fee Related CN110047671B (en) | 2017-01-17 | 2017-01-17 | Switch cabinet program lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106710912B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509655A (en) * | 2018-11-20 | 2019-03-22 | 许继集团有限公司 | Switchgear component and its mechanical electric interlock |
| CN112885625A (en) * | 2019-11-29 | 2021-06-01 | 江苏大全长江电器股份有限公司 | Diplopore operating device interlock, looped netowrk cabinet |
| CN112165016B (en) * | 2020-10-20 | 2022-04-15 | 瑞安市华泰电器厂 | Interlocking operating mechanism of low-voltage draw-out type switch cabinet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206432169U (en) * | 2017-01-17 | 2017-08-22 | 许继集团有限公司 | A kind of switch cubicle procedure lock |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201392995Y (en) * | 2009-04-20 | 2010-01-27 | 北京合纵科技股份有限公司 | Either-or interlocking device for double power switch cabinets |
| JP5818989B2 (en) * | 2012-07-13 | 2015-11-18 | 三菱電機株式会社 | Switchgear |
| BR102014007562B1 (en) * | 2014-03-28 | 2021-12-28 | Melquisedec Francisquini | ENGINE CONTROL CENTER |
| CN104617509B (en) * | 2015-02-13 | 2024-02-23 | 江苏省电力公司东台市供电公司 | Safety protection lock for 10kV centrally installed switchgear handcart of transformer substation after moving out of cabinet body |
-
2017
- 2017-01-17 CN CN201710031193.0A patent/CN106710912B/en active Active
- 2017-01-17 CN CN201910310548.9A patent/CN110047671B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206432169U (en) * | 2017-01-17 | 2017-08-22 | 许继集团有限公司 | A kind of switch cubicle procedure lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106710912A (en) | 2017-05-24 |
| CN110047671B (en) | 2021-03-05 |
| CN110047671A (en) | 2019-07-23 |
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Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |