CN107069521A - A kind of switch cubicle - Google Patents
A kind of switch cubicle Download PDFInfo
- Publication number
- CN107069521A CN107069521A CN201710423883.0A CN201710423883A CN107069521A CN 107069521 A CN107069521 A CN 107069521A CN 201710423883 A CN201710423883 A CN 201710423883A CN 107069521 A CN107069521 A CN 107069521A
- Authority
- CN
- China
- Prior art keywords
- lock piece
- cabinet
- interlocking
- xiamen
- separating brake
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims description 11
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Abstract
The present invention relates to a kind of switch cubicle, including cabinet and Xiamen, the separating brake driving member for the grounding switch tripping of driving switch cabinet is movably installed with cabinet, the switch cubicle also includes lower door interlocking mechanism, lower door interlocking mechanism includes the lock piece being rotatably installed on cabinet, lock piece, which has, to be used to prevent the action of separating brake driving member from avoiding the lock part of grounding switch tripping, lower door interlocking mechanism also includes the interlocking pulling part being movably arranged on cabinet, there is interlocking pulling part when Xiamen is opened pushing tow lock piece to rotate clockwise the locking with locking separating brake driving member, provided with the elastic component for driving interlocking pulling part to be in locking position when Xiamen is opened between interlocking pulling part and cabinet.Switch cubicle in the present invention realizes the interlocking between separating brake driving member and Xiamen, when only being closed in Xiamen, can carry out grounding switch tripping operation, reach security protection requirement.
Description
Technical field
The present invention relates to a kind of switch cubicle.
Background technology
, it is necessary to which the Xiamen for opening gas-filling cabinet carries out internal check when gas-filling cabinet carries out periodic inspection or broken down, and
The Xiamen of gas-filling cabinet must can be opened in the case of gas-filling cabinet is uncharged.In order to prevent operating personnel's maloperation, realize
Security protection requirement, generally sets interlocking mechanism in switch cubicle in the prior art so that the Xiamen of gas-filling cabinet is only in ground connection
Switch close a floodgate simultaneously breaker also close a floodgate, i.e., gas-filling cabinet it is uncharged in the case of, can open.Although this interlocking mechanism's energy
The purpose of security protection is enough realized, still, due to lacking the blocking function after Xiamen is opened to earthed switch, after being opened in Xiamen
And forget in the case of shutting, operating personnel still can but be carried out after sub-switching operation, grounding switch tripping just to earthed switch
Closing operation can be carried out to gas-filling cabinet, switch cubicle will be powered after combined floodgate, switch cabinet electrified and Xiamen still in open mode,
In the presence of very big potential safety hazard, security protection requirement can not be realized.
The content of the invention
It is an object of the invention to provide a kind of switch cubicle, to solve to remain able to behaviour after Xiamen is opened in the prior art
Make the technical problem of grounding switch tripping.
To achieve the above object, the technical scheme is that：
Grounding switch tripping for driving switch cabinet is movably installed with a kind of switch cubicle, including cabinet and Xiamen, cabinet
Separating brake driving member, the switch cubicle also includes lower door interlocking mechanism, and lower door interlocking mechanism includes the locking being rotatably installed on cabinet
Part, lock piece, which has, to be used to prevent the action of separating brake driving member to avoid the lock part of grounding switch tripping, and lower door interlocking mechanism is also
Including the interlocking pulling part being movably arranged on cabinet, interlocking pulling part there is when Xiamen is opened pushing tow lock piece to rotate clockwise with
The locking position of locking separating brake driving member, is provided between interlocking pulling part and cabinet and drives interlocking pulling part to be in locking when Xiamen is opened
The elastic component of position.
The pivot center of the deviation of gravity center lock piece of the lock piece causes lock piece to rotate counterclockwise to release by deadweight
Locking effect to separating brake driving member.
The interlocking pulling part is rotatably installed on cabinet, and one end of interlocking pulling part, which has, to be used for when Xiamen is opened and locking
The first pushing part that part pushing tow coordinates, the other end has the second pushing part for being used for coordinating with Xiamen pushing tow when Xiamen is closed,
The interlocking pulling part with Xiamen pushing tow when coordinating in solution lock-bit.
It is described interlocking pulling part one end for the mouth of hook towards hooking on the outside of cabinet, it is described hook end constitute the second pushing tow
Portion.
The switch cubicle is gas-filling cabinet.
Cabinet includes fixed seat, and fixed seat, which has, offers radial direction side tool overlap joint jaggy on supporting part, lock piece
Hole, lock piece is by overlapping hole lodge on supporting part.
Lock piece is to have on platy structure, supporting part between limiting side wall, two limiting side walls in the both sides of lock piece
Spacing is more than the thickness of slab of lock piece so that lock piece has the activity surplus along thickness of slab direction.
Interlocking pulling part is platy structure, and the upper end of interlocking pulling part, which has to what side was bent, to be used for and the cooperation of lock piece pushing tow
Interlocking retaining wall.
The separating brake driving member is rotatably installed in fixed seat, and separating brake driving member and lock piece are located at the two of fixed seat respectively
Side, the end of separating brake driving member, which is installed with backing pin, fixed seat, offers backing pin resigning hole, and the backing pin is located at backing pin resigning hole
In and backing pin resigning hole is exposed in end.
The torsion spring for being used for driving separating brake driving member to reset is provided between fixed seat and separating brake driving member.
The beneficial effects of the invention are as follows：Lower door interlocking mechanism is installed on cabinet, lower door interlocking mechanism includes in the present invention
The lock piece being rotatably installed on cabinet and the interlocking pulling part being movably arranged on cabinet.When Xiamen is opened, interlocking pulling part exists
In locking position under the driving of elastic component, pushing tow lock piece is rotated clockwise when interlocking pulling part is in locking position so that lock piece
Lock part and separating brake driving member coordinate to prevent separating brake driving member from acting, and then avoid grounding switch tripping, be achieved in that
Interlocking between separating brake driving member and Xiamen, when only being closed in Xiamen, can carry out grounding switch tripping operation, reach peace
Full protection requirement.
As a further improvement on the present invention, the pivot center of the deviation of gravity center lock piece of lock piece so that lock piece exists
When departing from interlocking pulling part, rotated counterclockwise by self gravitation to release the locking effect to separating brake driving member, without in interlocking
Attachment structure is set between pulling part and lock piece so that the attachment structure of lower door interlocking mechanism is simpler.
Brief description of the drawings
Fig. 1 is the partial structural diagram of the embodiment 1 of switch cubicle of the present invention（When Xiamen is closed）；
Fig. 2 is the partial structural diagram of the embodiment 1 of switch cubicle of the present invention（When Xiamen is opened）；
Fig. 3 is Fig. 2 right view；
Fig. 4 is Fig. 3 top view；
Fig. 5 for switch cubicle of the present invention embodiment 1 in interlocking pulling part structural representation；
Fig. 6 for switch cubicle of the present invention embodiment 1 in Xiamen structural representation；
In figure：1st, pulling part is interlocked, 2, pulling part fixed mount, the 3, second pushing part, 4, spring, the 5, first pushing part, 6, foreboard, 7, lock
Stop member, 8, dividing plate, 9, Xiamen, 10, door-plate, 11, separating brake driving member, 12, fixed seat, 13, lock piece antetheca, 14, opening button,
15th, backing pin resigning hole, 16, lock part, 17, backing pin, 18, overlap joint hole, 19, open slot, 20, block, 21, resilient key, 22, turn round
Spring, 81, vertical edge, 82, turn edge outside, 121, riser, 122, connecting plate, 123, transverse slat.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
A kind of specific embodiment 1 of switch cubicle of the present invention, as shown in Figures 1 to 6, the switch cubicle are gas-filling cabinet, Qi Tashi
Apply in example, the switch cubicle can also be solid insulation cabinet.Gas-filling cabinet includes cabinet, the Xiamen 9 on front side of cabinet and lived
Dynamic being used on front side of cabinet controls the separating brake driving member 11 of grounding switch tripping manually, and the front end of separating brake driving member 11 is consolidated
Surely there is opening button 14, cabinet includes being fixed with fixed seat 12 on foreboard 6 and dividing plate 8, foreboard 6, and separating brake driving member 11 passes through hinge
Spindle is rotatably installed in fixed seat 12.First bending is bent further along downwards for the front end of dividing plate 8, is sequentially formed and is stood along 81 and turn up
Along 82, Xiamen 9 is articulated in outer turn edge on 82.The upside of dividing plate 8 is fixed with the door-plate 10 of L-type.The gas-filling cabinet also includes being arranged on
It is used for the lower door interlocking mechanism for being grounded locking between switch and Xiamen on front side of cabinet, can when only being closed in Xiamen
Actuating opening button is grounded switch separating brake；When Xiamen is opened, lower door interlocking mechanism carries out locking, behaviour to separating brake driving member
Make personnel can not actuating opening button be grounded switch separating brake, and then reach security protection requirement.
Lower door interlocking mechanism includes interlocking pulling part 1 and lock piece 7, and lock piece 7 is rotatably installed in fixed seat 12 so that lock
Stop member 7 can be rotated clockwise or counterclockwise in perpendicular.The upside of door-plate 10 is fixed with pulling part fixed mount 2, and interlocking is dialled
Part 1 is rotatably installed on pulling part fixed mount 2 by jointed shaft so that interlocking pulling part 1 can be around jointed shaft clockwise or counter-clockwise
Rotate.Spring 4 is connected between interlocking pulling part 1 and the foreboard 6 of cabinet.The upper end of interlocking pulling part 1, which has, to be used to push up with lock piece 7
The first pushing part 5 of cooperation is pushed away, lower end has the second pushing part 3 for being used for coordinating with Xiamen pushing tow when Xiamen is closed.This reality
Apply in example, the bottom of interlocking pulling part 1 has the mouth of hook towards hooking on the outside of cabinet, and the end hooked constitutes the second pushing part, every
The vertical of front edge of board offers resigning hole along along 81, and the second pushing part is stretched out outside resigning hole when Xiamen is opened on the inside of cabinet.When
When Xiamen 9 is opened, the driving interlocking pulling part 1 of spring 4 is rotated counterclockwise, and interlocks the pushing tow lock piece 7 of the first pushing part 5 of pulling part 1, lock
Stop member 7 rotates clockwise and then carries out locking to separating brake driving member 11, now interlocks pulling part 1 and is in locking position, spring 4, which is constituted, to be used
Interlocking pulling part is driven to be in the elastic component of locking position when being opened in Xiamen.When Xiamen 9 is closed, the second top of interlocking pulling part 1
Pushed section 3 coordinates with Xiamen pushing tow, and interlocking pulling part 1 is rotated clockwise and then departed from lock piece 7, now, and interlocking pulling part 1 is in solution
Lock-bit.
In the present embodiment, lock piece 7 is located at the both sides of fixed seat 12 with separating brake driving member 11 respectively.Fixed seat 12 includes vertical
Plate 121 and the connecting plate 122 for being connected to riser front end, connecting plate 122 are bolted on the leading flank of foreboard 6.Separating brake
Driving member 11 is articulated with the side side of riser by jointed shaft, lock piece 7 be located at riser 121 away from separating brake driving member
Side.The rear end of separating brake driving member 14, which is fixed with backing pin 17, riser 121, offers backing pin resigning hole 15, backing pin resigning hole 15
For long arc-shaped holes, backing pin 17 is located in long arc-shaped holes and long arc-shaped holes are exposed in end, when pressing opening button 14, separating brake
Driving member 11 is swung around hinge axes, and backing pin 17 is moved up in long arc-shaped holes.Between separating brake driving member 11 and fixed seat 12
Provided with the torsion spring 22 for driving separating brake driving member to reset, offered on riser 121 and resilient key 21 be installed in pin-and-hole, pin-and-hole,
One end of torsion spring 22 is against the downside of resilient key 21, and the other end is against the upside of separating brake driving member 11, in the presence of torsion spring, works as pine
When opening opening button, separating brake driving member is resetted, and backing pin can be returned at the lower end position of original position, i.e. long arc-shaped holes.
Lock piece 7 is sketch plate, and lock piece 7, which has, to be used to prevent separating brake driving member 11 from acting to avoid grounding switch tripping
Lock part 16, lock part 16 be the mouth of hook towards the barb type structure on the outside of cabinet, the inner peripheral surface of barb type structure is and backing pin
The arc-shaped surface that matches of outer peripheral face.In the present embodiment, the riser lower end of fixed seat 12 is connected with transverse slat 123, the structure of transverse slat 123
Into the supporting part for being used to be rotatablely installed lock piece of fixed seat.Transverse slat 123 is provided with open slot 19, lock piece 7 and offers footpath
Has overlap joint hole 18 jaggy to side, the inner peripheral surface in overlap joint hole 18 is arc-shaped surface, and lock piece 7 exists by overlapping the lodge of hole 18
In the open slot 19 of transverse slat, the both sides cell wall of open slot 19 constitutes the limiting side wall positioned at the both sides of lock piece 7, two limiting side walls it
Between spacing be that the groove width of open slot 19 is more than the thickness of slab of lock piece, such lock piece can not only rotate in perpendicular, and also
With the activity surplus along lock piece thickness of slab direction, and then it is dry that lock piece can be avoided to occur with other mechanisms in gas-filling cabinet
Relate to.The pivot center of the deviation of gravity center lock piece of lock piece 7, so when lock piece 7 departs from interlocking pulling part, lock piece 7 is leaned on
Self gravitation effect is rotated counterclockwise, and then discharges backing pin 17, releases and the locking of separating brake driving member 11 is acted on.
Gas-filling cabinet in the present invention in use, when Xiamen 9 is opened, under the pulling force effect of spring 4, dial by interlocking
The upper end swing backward of part 1 simultaneously offsets with the retaining wall 13 of the front end of lock piece 7, then promotes lock piece 7 to rotate clockwise so that lock
The lock part of stop member 7 coordinates with backing pin block, and backing pin 17 can not be moved up, and then opening button can not be pressed, now separating brake
Button is in the lock state, it is impossible to which actuating opening button is grounded switch separating brake.When Xiamen is not turned off, the end hooked is exposed
The outside of riser, when Xiamen is closed, the inner side of Xiamen has the block 20 corresponding with hooking, and top pressure hooks end to block backward
End, drives the interlocking upper end of pulling part 1 away from lock piece 7, then the release of lock piece 7 backing pin 17, releases and act on the block of backing pin, enter
And opening button can be pressed, now opening button be in released state, can actuating opening button be grounded switch separating brake.
Gas-filling cabinet in the present invention, three-station can be operated only in the case of breaker open operation, works as Xiamen
During closing, the block on Xiamen compresses hooking for interlocking pulling part lower end so that the interlocking retaining wall of interlocking pulling part upper end is away from locking
Part, is released to the restriction effect of lock piece, and now lower door interlocking mechanism is in released state, and earthed switch can normal separating brake.
In the present invention, only when earthed switch is in "on" position, while when breaker is also at "on" position, Xiamen can be beaten
Open.After being opened once Xiamen, under the action of the spring, the interlocking retaining wall of upper end compresses the gear of lock piece front end to interlocking pulling part
Wall so that the lock part of lock piece hooks backing pin and coordinated with backing pin locking, and backing pin can not be moved up and down, and then separating brake driving member
It is locked.
In the present invention, because Xiamen is articulated on front side of cabinet, Xiamen is located at the lower section of door-plate, in order to adapt under gas-filling cabinet
Interlocking pulling part bottom in door arrangement, the present invention is hooks in structure, other embodiments, and interlocking pulling part can also be L-type plate.This
In embodiment, interlocking pulling part is rotated with cabinet and is connected, in other embodiments, and interlocking pulling part can also be flat along cabinet fore-and-aft direction
It is dynamic, elastic component is connected between interlocking pulling part and cabinet, when cabinet door is opened, elastic component drives interlocking pulling part pushing tow lock piece to turn
Dynamic, the lock part of lock piece is to separating brake driving member locking.In the present invention, interlocking pulling part and lock piece stagger set in left-right direction
Put, the upper end of interlocking pulling part has interlocking retaining wall, and the front end of lock piece has retaining wall, and interlocking pulling part and lock piece pass through linkage block
Wall and retaining wall compress cooperation, can so increase the contact area of lock piece and interlocking pulling part, even if lock piece has along left and right
The activity surplus in direction, does not interfere with the cooperation with interlocking pulling part yet, improves both contact reliabilities；In other embodiments, connection
Lock pulling part and lock piece be may be at the same position of left and right directions, certainly, and the interlocking retaining wall of interlocking pulling part upper end can be saved
Go, the retaining wall of lock piece front end can also be saved.In other embodiments, lock piece can also pass through jointed shaft and fixed seat activity
Connection.
Claims (10)
1. the grounding switch tripping for driving switch cabinet is movably installed with a kind of switch cubicle, including cabinet and Xiamen, cabinet
Separating brake driving member, it is characterised in that：The switch cubicle also includes lower door interlocking mechanism, and lower door interlocking mechanism includes being rotatably installed in
Lock piece on cabinet, lock piece, which has, is used to prevent the action of separating brake driving member to avoid the lock part of grounding switch tripping, under
Door interlocking mechanism also includes the interlocking pulling part being movably arranged on cabinet, and interlocking pulling part has the pushing tow lock piece when Xiamen is opened
The locking position with locking separating brake driving member is rotated clockwise, is provided between interlocking pulling part and cabinet and interlocking is driven when Xiamen is opened
Pulling part is in the elastic component of locking position.
2. switch cubicle according to claim 1, it is characterised in that：The rotary shaft of the deviation of gravity center lock piece of the lock piece
Line lock piece to rotate counterclockwise by deadweight to release the locking effect to separating brake driving member.
3. switch cubicle according to claim 1, it is characterised in that：The interlocking pulling part is rotatably installed on cabinet, is interlocked
One end of pulling part has the first pushing part for being used for coordinating with lock piece pushing tow when Xiamen is opened, and the other end, which has, to be used under
The second pushing part coordinated when door is closed with Xiamen pushing tow, the interlocking pulling part with Xiamen pushing tow when coordinating in solution lock-bit.
4. switch cubicle according to claim 3, it is characterised in that：One end of the interlocking pulling part is the mouth of hook towards outside cabinet
Hooking for side, it is described to hook end the second pushing part of composition.
5. switch cubicle according to claim 1, it is characterised in that：The switch cubicle is gas-filling cabinet.
6. the switch cubicle according to claim 1-5 any one, it is characterised in that：Cabinet includes fixed seat, fixed seat tool
Have and radial direction side tool overlap joint hole jaggy is offered on supporting part, lock piece, lock piece is by overlapping hole lodge in supporting part
On.
7. switch cubicle according to claim 6, it is characterised in that：Lock piece is in lock piece on platy structure, supporting part
Both sides there is spacing between limiting side wall, two limiting side walls to be more than the thickness of slab of lock piece so that lock piece has along thickness of slab side
To activity surplus.
8. switch cubicle according to claim 7, it is characterised in that：Interlocking pulling part is platy structure, interlocks the upper end of pulling part
With the interlocking retaining wall for being used to coordinate with lock piece pushing tow bent to side.
9. switch cubicle according to claim 6, it is characterised in that：The separating brake driving member is rotatably installed in fixed seat,
Separating brake driving member and lock piece are located at the both sides of fixed seat respectively, and the end of separating brake driving member, which is installed with backing pin, fixed seat, opens
Provided with backing pin resigning hole, the backing pin is located in backing pin resigning hole and backing pin resigning hole is exposed in end.
10. switch cubicle according to claim 9, it is characterised in that：Being provided between fixed seat and separating brake driving member is used to drive
The torsion spring for resetting separating brake driving member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423883.0A CN107069521B (en) | 2017-06-07 | 2017-06-07 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423883.0A CN107069521B (en) | 2017-06-07 | 2017-06-07 | Switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107069521A true CN107069521A (en) | 2017-08-18 |
| CN107069521B CN107069521B (en) | 2024-03-15 |
Family
ID=59616696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423883.0A Active CN107069521B (en) | 2017-06-07 | 2017-06-07 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107069521B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511231A (en) * | 2018-05-30 | 2018-09-07 | 福建中能电气有限公司 | A kind of interlock for three position mechanism and breaker mechanism |
| CN108616211A (en) * | 2018-05-30 | 2018-10-02 | 西安中车永电电气有限公司 | A kind of cabinet door carrying interlock function for converter cabinet |
| CN109950073A (en) * | 2019-03-26 | 2019-06-28 | 江苏天翔电气有限公司 | A kind of interlock of side door up and down on cabinet body |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN111478195A (en) * | 2020-04-26 | 2020-07-31 | 宁波甬新东方电气有限公司 | Feeder cabinet |
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| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN110444419B (en) * | 2018-05-04 | 2022-07-12 | 伊顿电力设备有限公司 | Interlocking device and switch cabinet with same |
| CN108511231A (en) * | 2018-05-30 | 2018-09-07 | 福建中能电气有限公司 | A kind of interlock for three position mechanism and breaker mechanism |
| CN108616211A (en) * | 2018-05-30 | 2018-10-02 | 西安中车永电电气有限公司 | A kind of cabinet door carrying interlock function for converter cabinet |
| CN108511231B (en) * | 2018-05-30 | 2024-02-23 | 福建中能电气有限公司 | Interlocking device for three-station mechanism and circuit breaker mechanism |
| CN109950073A (en) * | 2019-03-26 | 2019-06-28 | 江苏天翔电气有限公司 | A kind of interlock of side door up and down on cabinet body |
| CN109950073B (en) * | 2019-03-26 | 2024-03-19 | 江苏天翔电气有限公司 | Interlocking device for upper side door and lower side door on cabinet body |
| CN111478195A (en) * | 2020-04-26 | 2020-07-31 | 宁波甬新东方电气有限公司 | Feeder cabinet |
| CN111478195B (en) * | 2020-04-26 | 2021-08-17 | 宁波甬新东方电气有限公司 | Feeder cabinet |
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|---|---|
| CN107069521B (en) | 2024-03-15 |
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