CN109980567A - A kind of middle disposed withdrawn type switchgear into vehicle valve arrangement - Google Patents
A kind of middle disposed withdrawn type switchgear into vehicle valve arrangement Download PDFInfo
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- CN109980567A CN109980567A CN201910380174.8A CN201910380174A CN109980567A CN 109980567 A CN109980567 A CN 109980567A CN 201910380174 A CN201910380174 A CN 201910380174A CN 109980567 A CN109980567 A CN 109980567A
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- valve
- breaker
- connecting lever
- vehicle
- middle partition
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- 238000005192 partition Methods 0.000 claims abstract description 37
- 230000000873 masking effect Effects 0.000 claims abstract description 5
- 210000003371 toe Anatomy 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of middle disposed withdrawn type switchgears into vehicle valve arrangement, advance and retreat including breaker, driving breaker into mechanism of car and the valve mechanism being installed between switch device breaker room and bus-bar room；The top of driving mechanism is arranged in the breaker, and the driving mechanism is connected with valve mechanism, and the valve mechanism is fixed on the middle partition between switchgear interruption chambe and bus-bar room and for releasing the masking to middle partition upper contact head box is set to.The configuration of the present invention is simple, idler wheel rolls in guide-track groove, breaker is along guide-track groove horizontal movement, ensure the accurate of operation stroke, idler wheel squeezes connecting lever and moves by upper connecting rod and lower link, and then drives the overturning of upper valve and lower valve, the overturning response of valve and lower valve is timely in this process, it will not influence contact of the breaker with contact box, the upper valve and the distance between lower valve and charged insulating body after overturning are increased to greatest extent, improve the dielectric level of entire switchgear.
Description
Technical field
The present invention relates to electric switch equipment technical field, especially a kind of middle disposed withdrawn type switchgear into vehicle valve
Device.
Background technique
Withdrawing switch apparatus is a kind of relatively common high-tension switch gear, usually by relay protection control room, open circuit
Device room, bus-bar room and CTC cable terminating cubicle composition, are provided with breaker in breaker chamber, can set breaker not dismantling switch
Under the premise of standby, by breaker move to the position for touching touching in contact box, realize the electricity between bus-bar room and cable vault
Gas connection.
The core component of withdrawing switch apparatus is into vehicle valve mechanism.The breaker of middle disposed withdrawn type switchgear is located at
Position among switchgear requires more accurate into the cooperation of vehicle valve mechanism.Existing middle disposed withdrawn type switchgear is adopted mostly
Chassis vehicle is configured used in breaker lower part, plate is hit in the installation of breaker two sides, when breaker is mobile, is hit plate driving valve and is moved up and down
Design.There are some obvious deficiencies for such design, such as: valve uses yo-yo fashion, because stroke is limited, opening state
Valve and electrical body insulation distance are smaller, reduce the dielectric level of switchgear；It hits plate and valve mechanism cooperation precision is not high,
Often it shifts, causes valve that cannot open and be damaged in time, need to design a kind of living into vehicle for withdrawing switch apparatus
Door gear solves the problems, such as present on.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of the living into vehicle of middle disposed withdrawn type switchgear
Door gear, with solve existing valve mechanism there are stroke limiting, influence switchgear dielectric level and valve cannot be timely
The problem of opening.
The purpose of the present invention is achieved through the following technical solutions:
A kind of middle disposed withdrawn type switchgear into vehicle valve arrangement, be suitable for withdrawing switch apparatus, including breaker, driving
Breaker advance and retreat into mechanism of car and the valve mechanism being installed between the breaker chamber of switchgear and bus-bar room；Institute
It states breaker and top into mechanism of car is set, described to connect into mechanism of car with valve mechanism, the valve mechanism is fixed on out
It closes on the middle partition between equipment breaker chamber and bus-bar room and for releasing the masking to middle partition upper contact head box is set to.
Described into mechanism of car includes into vehicle framework and into vehicle component, and described into vehicle framework includes that preceding bent plate, rear bent plate, a left side are led
Rail and right guide rail, be bolted between the preceding bent plate, rear bent plate, left rail and right guide rail constitute rectangle into vehicle structure
The guide-track groove of U-board shape is provided on frame, the left rail and right guide rail；The bottom of the breaker is provided with breaker hook
Plate and several idler wheels being set at left and right sides of breaker bottom.
It is described to include six square toes lead screws and the sliding block that is set on six square toes lead screws into vehicle component, the six square toes lead screw two
End, which is supported on, to be set on the support in vehicle framework, the boss of the slider top and the groove being set on breaker hook plate
Engagement is moved by six square toes lead screw band movable slider of rotation, in the horizontal direction to realize the advance and retrogressing of breaker.
The valve mechanism includes upper valve, lower valve and connecting lever, and the upper valve, which is located at middle partition top and blocks, to be set
It is placed in the contact box on middle partition top, the lower valve is located at the middle part of middle partition and blocks the contact being set in the middle part of middle partition
Box, the upper valve and lower valve pass through valve support and connect with middle partition, and one end of the valve support is solid by bolt
Fixed mode is fixed with middle partition, and the other end of valve support is hinged with upper valve and lower valve respectively by valve pin shaft, institute
It states setting between valve and lower valve and is additionally provided with upper connecting rod, one end of the upper connecting rod and the upper right corner of upper valve are hinged,
The other end of upper connecting rod is hinged by being set to the pitman pin in the middle part of lower valve and lower valve, between the lower valve and connecting lever
It is additionally provided with lower link, one end of the lower link is hinged by pitman pin and lower valve, and the other end of lower link is by turning
The right part of arm link pin shaft and connecting lever is hinged, and the left part of the connecting lever is cut with scissors with left rail and right guide rail respectively by connecting lever pin shaft
It connects.
Positioning plate is additionally provided on the left rail and right guide rail, the top of the positioning plate is provided with positioning pin, fixed
The lower part of position plate is provided with lower positioning pin, and tension spring is additionally provided between positioning plate and connecting lever, and one end of the tension spring is fixed on fixed
The top of position plate, the other end and the connecting lever pitman pin of tension spring are fixed.
The idler wheel squeezes connecting lever under the drive into vehicle component and realizes connecting lever with connecting lever pin when close middle partition movement
It is rotated clockwise centered on axis, the upper connecting rod and lower link realize valve and lower valve with valve pin under the drive of connecting lever
It does centered on axis and overturns clockwise and anticlockwise respectively, contact box is blocked to release；The idler wheel is into vehicle component
When driving lower separate middle partition movement, the connecting lever is rotated centered on connecting lever pin shaft counterclockwise under the elastic force effect of tension spring,
The upper connecting rod and lower link realize that valve and lower valve do the inverse time centered on valve pin shaft respectively under the drive of connecting lever
It needle and rotates clockwise, contact box is blocked to realize.
The beneficial effects of the present invention are:
The configuration of the present invention is simple, idler wheel roll in guide-track groove, and breaker is along guide-track groove horizontal movement, it is ensured that runs stroke
Accurately, idler wheel squeezes connecting lever and is moved by upper connecting rod and lower link, and then drives the overturning of upper valve and lower valve, in this process
The overturning response of valve and lower valve in time, will not influence contact of the breaker with contact box, upper valve and lower work after overturning
The distance between door and charged insulating body are increased to greatest extent, improve the dielectric level of entire switchgear.
Detailed description of the invention
Fig. 1 is the side view that breaker of the present invention is in testing position；
Fig. 2 is the side view that breaker of the present invention is in operating position；
Fig. 3 is that Fig. 1 removes the B-B cross-sectional view after breaker；
Fig. 4 is that Fig. 1 removes the A direction view after breaker；
Fig. 5 is that breaker of the present invention promotes cooperation detail drawing；
In figure, 1- is into vehicle framework, six square toes of 2-, 3- support, 4- sliding block, 5- breaker hook plate, six square toes lead screw of 6-, 7- open circuit
Device, partition in 8-, 9- valve pin shaft, 10- valve support, the upper valve of 11-, 12- upper connecting rod, 13- contact box, valve under 14-,
15- pitman pin, 16- lower link position side, the upper positioning pin of 18-, 19- connecting lever pitman pin, 20- connecting lever, 21- connecting lever on 17-
Top, 22- idler wheel, 23- guide-track groove, 24- connecting lever pin shaft, 25- tension spring position side under 26-, positioning pin under 27-, bent plate before 28-,
Bent plate after 29-, 30- left rail, the right guide rail of 31-, 32- boss, 33- groove, 34- positioning plate.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
A kind of connection type into vehicle valve arrangement of middle disposed withdrawn type switchgear is as follows:
A kind of middle disposed withdrawn type switchgear into vehicle valve arrangement, be suitable for withdrawing switch apparatus, including breaker 7, drive
Dynamic breaker 7 advance and retreat into mechanism of car and the valve machine being installed between the breaker chamber of switchgear and bus-bar room
Structure；The top into mechanism of car is arranged in the breaker 7, described to connect into mechanism of car with valve mechanism, and the valve mechanism is solid
It is scheduled on the middle partition 8 between switch device breaker room and bus-bar room and for releasing to being set to middle 8 upper contact head box of partition
13 masking.
It is described into mechanism of car include into vehicle framework 1 and into vehicle component, it is described into vehicle framework 1 include preceding bent plate 28, rear bent plate
29, left rail 30 and right guide rail 31, it is solid by bolt between the preceding bent plate 28, rear bent plate 29, left rail 30 and right guide rail 31
Surely constitute rectangle into vehicle framework 1, the guide-track groove 23 of U-board shape is provided on the left rail 30 and right guide rail 31；It is described
Several idler wheels 22 that the bottom of breaker 7 is provided with breaker hook plate 5 and is set at left and right sides of 7 bottom of breaker.
Described include six into vehicle component square toes lead screw 6 and the sliding block 4 that is set on six square toes lead screws 6, the six square toes silk
6 two supports of thick stick are being set on the support 3 in vehicle framework 1, the boss 32 at 4 top of the sliding block and are set to breaker hook
Groove 33 on plate 5 engages, and is moved in the horizontal direction by six square toes lead screws 6 of rotation with movable slider 4, to realize breaker 7
Advance and retrogressing.
The valve mechanism includes upper valve 11, lower valve 14 and connecting lever 20, and the upper valve 11 is located at middle 8 top of partition
And the contact box 13 for being set to middle 8 top of partition is blocked, during the lower valve 14 is located at the middle part of middle partition 8 and blocks and be set to
The contact box 13 at 8 middle part of partition, the upper valve 11 and lower valve 14 are connect by valve support 10 with middle partition 8, described
The mode and middle partition 8 that one end of valve support 10 is bolted are fixed, and the other end of valve support 10 passes through valve pin
Axis 9 is hinged with upper valve 11 and lower valve 14 respectively, and setting is additionally provided with upper connecting rod between the upper valve 11 and lower valve 14
12, one end of the upper connecting rod 12 and the upper right corner of upper valve 11 are hinged, and the other end of upper connecting rod 12 is by being set to lower valve
The pitman pin 15 and lower valve 14 at 14 middle parts are hinged, are additionally provided with lower link 16, institute between the lower valve 14 and connecting lever 20
The one end for stating lower link 16 is hinged by pitman pin 15 and lower valve 14, and the other end of lower link 16 passes through connecting lever pitman pin
19 is hinged with the right part of connecting lever 20, and the left part of the connecting lever 20 is cut with scissors with left rail 30 and right guide rail 31 respectively by connecting lever pin shaft 24
It connects.
Positioning plate 34 is additionally provided on the left rail 30 and right guide rail 31, it is fixed that the top of the positioning plate 34 is provided with
Position pin 18, the lower part of positioning plate is provided with lower positioning pin 27, tension spring 25, the drawing is additionally provided between positioning plate 34 and connecting lever 20
The top of positioning plate 34 is fixed in one end of spring 25, and the other end and connecting lever pitman pin 19 of tension spring are fixed.
Connecting lever 20 is squeezed when the idler wheel 22 moves under the drive into vehicle component close to middle partition 18 and realizes connecting lever 20
It is rotated clockwise centered on connecting lever pin shaft 24, the upper connecting rod 12 and lower link 16 realize valve under the drive of connecting lever 20
11 and lower valve 14 done centered on valve pin shaft 9 and overturn clockwise and anticlockwise respectively, to release screening to contact box 13
Gear；When the idler wheel 22 moves under the drive into vehicle component far from middle partition 18, the connecting lever 20 is made in the elastic force of tension spring 25
It is rotated counterclockwise centered on connecting lever pin shaft 24 under, the upper connecting rod 12 and lower link 16 are realized under the drive of connecting lever 20
Valve 11 and lower valve 14 are done counterclockwise respectively and are rotated clockwise centered on valve pin shaft 9, to realize to contact box 13
Block.
A kind of course of work into vehicle valve arrangement of middle disposed withdrawn type switchgear is as follows:
As shown in Figure 1 and Figure 2, the present invention cooperates for the movement of breaker and conductive component in middle disposed withdrawn type switchgear and connects
It connects.By promoting breaker 7 to reach operating position by testing position into vehicle component, while valve mechanism flip-flop movement is driven, solved
Except the masking to contact box, so that breaker and the conductive component in contact box are mating.
As shown in Figure 1, Figure 3, the lower part of the invention that breaker 7 is located at into vehicle framework 1, preceding bent plate 28, rear bent plate 29, a left side
Guide rail 30, right guide rail 31 are bolted.Guide-track groove 23, breaker idler wheel is respectively set in left rail 30, right guide rail 31
22 roll in guide-track groove 23, and breaker 7 can be moved horizontally along 23 direction of guide-track groove.
As shown in Figure 1, shown in Figure 5, mounted in into vehicle framework 1 six square toes screw rods 6, sliding block 4 drive breaker 7 advance or after
It moves back.The specific structure of the part are as follows: for six square toes screw rods, 6 two supports in support 3, centre passes through trapezoidal thread and 4 shape of sliding block
At drive connection, six square toes screw rods, 6 one end is set with six square toes 2, and six square toes 2 and six square toes lead screws 6 are integrally formed, 4 top of sliding block
The formation of groove 33 of boss 32 and 5 lower part of breaker hook plate engage.
When operator rotates six square toes 2 by specific purpose tool, drive screw rod 6 rotates, and then sliding block 4 is pushed to do straight line fortune
It is dynamic.Because 4 upper boss 32 of sliding block has the relationship engaged with the groove 33 of 5 lower part of breaker hook plate, breaker 7 can be driven to open
It closes and is moved forward or back in equipment.
As Figure 1 and Figure 4, the structure of valve mechanism of the present invention are as follows: the protrusion of contact box 13 is mounted on middle partition 8, is increased
The insulation distance of breaker 7 and middle partition 8；Valve support 10 is fixed on middle partition 8, is supported respectively by valve pin shaft 9
Valve 11, lower valve 14；Upper valve 11, lower valve 14 are connected by upper connecting rod 12, pitman pin 15；Lower valve 14 passes through lower company
Bar 16, connecting lever pitman pin 19 are connect with connecting lever 20.Breaker idler wheel 22 drives connecting lever 20, and then drives lower link 16, upper company
Bar 12 realizes its flip-flop movement.
As shown in Figure 1, being in testing position for breaker 7, breaker idler wheel 22 does not push down connecting lever 20, and tension spring 25 pulls
Connecting lever 20 rotates connecting lever 20 counterclockwise centered on connecting lever pin shaft 24, and the upper positioning side 17 of connecting lever 20 is limited by upper positioning pin 18
Position, at this point, angle locating for connecting lever 20 just makes valve 11, lower valve 14 be in level angle, shelters from contact box 13.
As shown in Fig. 2, being in operating position for breaker 7.Breaker 7 is mobile to middle partition 8, and breaker idler wheel 22 is pushed down
Connecting lever top 21 rotates clockwise connecting lever 20 centered on connecting lever pin shaft 24.Connecting lever 20 drives lower link 16, upper connecting rod 12 to transport
It is dynamic, and then lower valve 14, upper valve 11 is driven to do counterclockwise and turn clockwise respectively centered on valve pin shaft 9.Connecting lever 20
Lower positioning side 26 limited by lower positioning pin 27, angle locating for connecting lever 20 just make valve 11, lower valve 14 release to contact
Box 13 blocks.At this point, breaker 7 and the conduct piece of contact box 13 are plugged in together.
The configuration of the present invention is simple, idler wheel roll in guide-track groove, and breaker is along guide-track groove horizontal movement, it is ensured that operation row
Journey it is accurate, idler wheel squeezes connecting lever and is moved by upper connecting rod and lower link, and then drives the overturning of upper valve and lower valve, this mistake
In journey valve and lower valve overturning response in time, will not influence contact of the breaker with contact box, the upper valve after overturning and
The distance between lower valve and charged insulating body are increased to greatest extent, improve the dielectric level of entire switchgear.
Really, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
All it should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of middle disposed withdrawn type switchgear into vehicle valve arrangement, be suitable for withdrawing switch apparatus, it is characterised in that: packet
Include breaker (7), driving breaker (7) is advanced and retreats into mechanism of car and be installed on the breaker chamber and bus of switchgear
Valve mechanism between room；The top into mechanism of car is arranged in the breaker (7), described to connect into mechanism of car and valve mechanism
It connects, the valve mechanism is fixed on the middle partition (8) between switch device breaker room and bus-bar room and for releasing to setting
It is placed in the masking of middle partition (8) upper contact head box (13).
2. a kind of middle disposed withdrawn type switchgear according to claim 1 into vehicle valve arrangement, it is characterised in that: it is described
Into mechanism of car include into vehicle framework (1) and into vehicle component, it is described into vehicle framework (1) include preceding bent plate (28), it is rear bent plate (29), left
Guide rail (30) and right guide rail (31) pass through between the preceding bent plate (28), rear bent plate (29), left rail (30) and right guide rail (31)
Bolt is fixed constitute rectangle into vehicle framework (1), be provided with leading for U-board shape on the left rail (30) and right guide rail (31)
Track slot (23)；The bottom of the breaker (7) is provided with breaker hook plate (5) and is set at left and right sides of breaker (7) bottom
Several idler wheels (22).
3. a kind of middle disposed withdrawn type switchgear according to claim 2 into vehicle valve arrangement, it is characterised in that: it is described
The sliding block (4) for including six square toes lead screws (6) into vehicle component and being set on six square toes lead screws (6), the six square toes lead screw (6) two
End is supported on and is set on the support (3) in vehicle framework (1), the boss (32) at the top of the sliding block (4) and is set to open circuit
Groove (33) engagement on device hook plate (5), is moved in the horizontal direction by rotation six square toes lead screws (6) band movable slider (4), thus
Realize the advance and retrogressing of breaker (7).
4. a kind of middle disposed withdrawn type switchgear according to claim 2 into vehicle valve arrangement, it is characterised in that: it is described
Valve mechanism includes upper valve (11), lower valve (14) and connecting lever (20), the upper valve (11) be located at middle partition (8) top and
The contact box (13) for being set to middle partition (8) top is blocked, the lower valve (14), which is located at the middle part of middle partition (8) and blocks, to be set
The contact box (13) being placed in the middle part of partition (8), the upper valve (11) and lower valve (14) by valve support (10) with
Middle partition (8) connection, the mode and middle partition (8) that one end of the valve support (10) is bolted are fixed, valve branch
Seat (10) the other end by valve pin shaft (9) respectively with upper valve (11) and lower valve (14) hingedly, the upper valve (11)
It is arranged between lower valve (14) and is additionally provided with upper connecting rod (12), one end of the upper connecting rod (12) and the upper right of upper valve (11)
Angle is hinged, and the other end of upper connecting rod (12) is cut with scissors by the pitman pin (15) being set in the middle part of lower valve (14) and lower valve (14)
It connects, is additionally provided with lower link (16) between the lower valve (14) and connecting lever (20), one end of the lower link (16) passes through company
Hingedly, the other end of lower link (16) passes through connecting lever pitman pin (19) and connecting lever (20) for lever pin axis (15) and lower valve (14)
Right part is hinged, and the left part of the connecting lever (20) is hinged with left rail (30) and right guide rail (31) respectively by connecting lever pin shaft (24).
5. a kind of middle disposed withdrawn type switchgear according to claim 4 into vehicle valve arrangement, it is characterised in that: it is described
It is additionally provided with positioning plate (34) on left rail (30) and right guide rail (31), the top of the positioning plate (34) is provided with positioning pin
(18), the lower part of positioning plate is provided with lower positioning pin (27), and tension spring (25) are additionally provided between positioning plate (34) and connecting lever (20),
The top of positioning plate (34) is fixed in one end of the tension spring (25), and the other end of tension spring and connecting lever pitman pin (19) are fixed.
6. a kind of middle disposed withdrawn type switchgear according to claim 4 into vehicle valve arrangement, it is characterised in that: it is described
Connecting lever (20) are squeezed when idler wheel (22) moves under the drive into vehicle component close to middle partition (18) and realize connecting lever (20) to turn
Arm pin shaft rotates clockwise centered on (24), and the upper connecting rod (12) and lower link (16) are realized under the drive of connecting lever (20)
Valve (11) and lower valve (14) are done respectively centered on valve pin shaft (9) to be overturn clockwise and anticlockwise, to release to touching
Head cartridge (13) are blocked；When the idler wheel (22) moves under the drive into vehicle component far from middle partition (18), the connecting lever
(20) it is rotated counterclockwise centered on connecting lever pin shaft (24) under the elastic force effect of tension spring (25), upper connecting rod (12) He Xialian
It is inverse that bar (16) realizes that valve (11) and lower valve (14) are done respectively centered on valve pin shaft (9) under the drive of connecting lever (20)
It hour hands and rotates clockwise, contact box (13) is blocked to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380174.8A CN109980567B (en) | 2019-05-08 | 2019-05-08 | Inlet valve device of centrally-mounted movable switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910380174.8A CN109980567B (en) | 2019-05-08 | 2019-05-08 | Inlet valve device of centrally-mounted movable switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109980567A true CN109980567A (en) | 2019-07-05 |
| CN109980567B CN109980567B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910380174.8A Active CN109980567B (en) | 2019-05-08 | 2019-05-08 | Inlet valve device of centrally-mounted movable switch equipment |
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| CN (1) | CN109980567B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
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| KR20160051090A (en) * | 2014-10-31 | 2016-05-11 | 엘에스산전 주식회사 | Door Interlock Device of Vacuum Circuit Breaker |
| CN206163964U (en) * | 2016-09-30 | 2017-05-10 | 国网江苏省电力公司镇江供电公司 | Medium voltage switchgear overhauls dolly |
| CN209544996U (en) * | 2019-05-08 | 2019-10-25 | 四川达卡电气有限公司 | A kind of middle disposed withdrawn type switchgear into vehicle valve arrangement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
| CN117394189B (en) * | 2023-10-20 | 2024-03-22 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
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