CN109378758A - A kind of air insulation vacuum load switch - Google Patents
A kind of air insulation vacuum load switch Download PDFInfo
- Publication number
- CN109378758A CN109378758A CN201811271651.9A CN201811271651A CN109378758A CN 109378758 A CN109378758 A CN 109378758A CN 201811271651 A CN201811271651 A CN 201811271651A CN 109378758 A CN109378758 A CN 109378758A
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly installed
- mounting
- bar
- load switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of air insulation vacuum load switch, including ring network cabinet and Switch main body, the Switch main body is located in ring network cabinet, mounting bar is fixedly installed on the side inner wall of ring network cabinet, the top side of mounting bar offers mounting groove, the bottom side of Switch main body is fixedly installed with mounting rod, the bottom end of mounting rod extends in mounting groove, the lower section of mounting groove is equipped with the installation cavity being provided on mounting bar, the same slide bar is slidably fitted on the two sides inner wall of installation cavity, there are two movable blocks for pivot bush unit on slide bar, the top side of two movable blocks is rotatably equipped with connecting rod, one end that two connecting rods are located remotely from each other is rotatably installed in respectively on the two sides inner wall of installation cavity.The configuration of the present invention is simple, mounting rod can be firmly clamped by two clamping plates, so that Switch main body can convenient and fast installing and dismounting, traditional bolted mode is changed, to effectively avoid because of the problem of being difficult to dismounting and change caused by bolt corrosion.
Description
Technical field
The present invention relates to vacuum load switch technical field more particularly to a kind of air insulation vacuum load switch.
Background technique
On-load switch is a kind of device for switching between breaker and disconnecting switch, has simple arc-control device,
Rated load current and certain overload current can be cut off, but short circuit current cannot be cut off.
Publication No. CN207947548U discloses a kind of air-insulated type intelligent vacuum ring network cabinet, is equipped with mother in bus-bar room
Wire casing and the first temperature sensor, but Switch main body is installed still through bolt in this device, bolt easily becomes rusty when used for a long time
Erosion is made troubles for maintenance replacement, and this technology charter according to JB/DQZ0133.390, " compile by electric product pattern and technological document
Directive/guide technological work instructions processed are write, and according to all insulation, gamut circuit breaker design and compact structure design principle, and meet state
Family standard GB3906 < 3.6kV ~ 40.5kV ac metal closing switch gear and control equipment ", GB1984 " high-voltage alternating open circuit
Device " and GB/T11022 " common specifications for high-voltage switchgear and controlgear standards " requirement.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of air insulation vacuum proposed is negative
Lotus switch.
To achieve the goals above, present invention employs following technical solutions:
A kind of air insulation vacuum load switch, including ring network cabinet and Switch main body, the Switch main body are located in ring network cabinet, ring
Mounting bar is fixedly installed on the side inner wall of net cabinet, the top side of mounting bar offers mounting groove, and the bottom side of Switch main body is fixed
Mounting rod is installed, the bottom end of mounting rod extends in mounting groove, and the lower section of mounting groove is equipped with the installation being provided on mounting bar
Chamber is slidably fitted with the same slide bar on the two sides inner wall of installation cavity, and there are two movable block, two movements for pivot bush unit on slide bar
The top side of block is rotatably equipped with connecting rod, and one end that two connecting rods are located remotely from each other is rotatably installed in the two sides of installation cavity respectively
On inner wall, through-hole is offered on the top side inner wall of installation cavity, two connecting rods side close to each other is equipped with and is fixedly mounted respectively
Push rod on two movable block top sides, the top of two push rods all extend in through-hole, and the side of two push rods rotates peace
Equipped with V-type bar, the top of two V-type bars all extends in mounting groove and is fixedly installed with respectively clamping plate, and two clamping plates distinguish position
In the two sides of mounting rod, shifting slot is offered on the two sides inner wall of the through-hole in the horizontal direction, what two V-type bars were located remotely from each other
Side is fixedly installed with pull rod, and one end that two pull rods are located remotely from each other extends respectively in two shifting slots, the bottom of the slide bar
Side is fixedly installed with fixed block, and the bottom side of fixed block offers loose slot, and mandril, the bottom of installation cavity are movably installed in loose slot
Elliptical aperture is offered on the inner wall of side, elliptical aperture is run through in the bottom end of mandril.
Preferably, sliding groove is offered on the bottom side inner wall of two shifting slots, is slidably fitted with cunning in two sliding grooves
Motion block, the top side of two sliding shoes are respectively and fixedly installed on the bottom side of two pull rods, two sliding shoes side close to each other
It is fixedly installed with one end of spring, two spring one end close to each other are respectively and fixedly installed to close to each other one of sliding groove
On the inner wall of side.
Preferably, annular offers swivelling chute on the inner wall of the loose slot, and spill spin block is movably installed in swivelling chute, top
The top of bar is fixedly mounted on the bottom side of spill spin block.
Preferably, annular offers multiple card slots on the inner wall of the elliptical aperture, and the two sides of mandril are fixedly installed with card
Block, the side that two fixture blocks are located remotely from each other all extend in card slot.
Preferably, the bottom end of the mandril is fixedly installed with pulling block, is socketed with rubber protecting jacket on pulling block.
Preferably, the side of the push rod offers turn hole, and shaft, the fixed peace in one end of shaft are movably installed in turn hole
Mounted in V-type bar on the side of push rod.
Preferably, two clamping plates side close to each other is fixedly installed with fastening rubber pad, two fastening rubber pad phases
Mutually close side is adapted with the two sides of mounting rod respectively.
Preferably, the top of the Switch main body is equipped with bus-bar room, is equipped with multiple partitions in bus-bar room.
Preferably, sliding slot is offered on the two sides inner wall of the installation cavity, is slidably fitted with sliding block in two sliding slots,
The both ends of slide bar are respectively and fixedly installed on two sliding block sides close to each other.
Preferably, two movable block sides close to each other offer moving hole, and one end of slide bar sequentially passes through two
Moving hole.
Compared with prior art, the beneficial effects of the present invention are:
In the present invention, by ring network cabinet, mounting bar, mounting groove, mounting rod, Switch main body, installation cavity, sliding slot, sliding block, slide bar,
Movable block, moving hole, connecting rod, fixed block, loose slot, swivelling chute, spill spin block, mandril, pulling block, elliptical aperture, card slot, fixture block,
Bus-bar room, partition are used cooperatively, and when needing to install, moving switch ontology first enters mounting rod in mounting groove, so
After adjust installation site, move mounting rod at this time, move it in mounting groove, when the desired position is reached, push pulling block make
Mandril is mobile, the mobile band moving slide-bar of mandril is mobile, and slide bar is mobile so that two movable blocks slide on slide bar, passes through looped network
Cabinet, mounting bar, mounting groove, mounting rod, Switch main body, installation cavity, sliding slot, sliding block, slide bar, movable block, moving hole, connecting rod,
Push rod, through-hole, V-type bar, clamping plate, move slot, pull rod, turn hole, shaft, sliding shoe, sliding groove, mandril, pulling block, elliptical aperture, card slot,
Fixture block is used cooperatively, so that two movable blocks drive two push rods mobile respectively, two push rods are mobile to drive two V respectively
Type bar is close to each other, and two V-type bars are close to each other to drive two pull rods close to each other respectively, and two pull rods are close to each other to be led to respectively
Crossing two sliding shoes drives two spring stress to shrink, and two V-type bars are close to each other at this time, enable two clamping plates firm
Mounting rod is clamped, mandril is then rotated, so that two fixture blocks enter in a corresponding card slot, peace can be completed
Dress, similarly can easily dismantle;
The configuration of the present invention is simple can firmly clamp mounting rod by two clamping plates, so that Switch main body can be convenient
Installing and dismounting, change traditional bolted mode, thus effectively avoid because bolt corrosion caused by be difficult to
The problem of dismounting and change.
Detailed description of the invention
Fig. 1 is a kind of side structure schematic view of air insulation vacuum load switch proposed by the present invention;
Fig. 2 is a kind of overlooking structure diagram of air insulation vacuum load switch proposed by the present invention;
Fig. 3 is the structural schematic diagram of part A in a kind of Fig. 1 of air insulation vacuum load switch proposed by the present invention;
Fig. 4 is the structural schematic diagram of the part A1 in a kind of Fig. 3 of air insulation vacuum load switch proposed by the present invention;
Fig. 5 is the structural schematic diagram of the part A2 in a kind of Fig. 3 of air insulation vacuum load switch proposed by the present invention.
In figure: 1 ring network cabinet, 2 mounting bars, 3 mounting grooves, 4 mounting rods, 5 Switch main bodies, 6 installation cavitys, 7 sliding slots, 8 sliding blocks, 9
Slot, 18 pull rods, 19 are moved in slide bar, 10 movable blocks, 11 moving hole, 12 connecting rods, 13 push rods, 14 through-holes, 15V type bar, 16 clamping plates, 17
Turn hole, 20 shafts, 21 sliding shoes, 22 sliding grooves, 23 fixed blocks, 24 loose slots, 25 swivelling chutes, 26 spill spin blocks, 27 mandrils, 28 are drawn
Block, 29 elliptical apertures, 30 card slots, 31 fixture blocks, 32 bus-bar rooms, 33 partitions.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of air insulation vacuum load switch, including ring network cabinet 1 and Switch main body 5, Switch main body 5
In in ring network cabinet 1, mounting bar 2 is fixedly installed on the side inner wall of ring network cabinet 1, the top side of mounting bar 2 offers mounting groove 3,
The bottom side of Switch main body 5 is fixedly installed with mounting rod 4, and the bottom end of mounting rod 4 extends in mounting groove 3, and the lower section of mounting groove 3 is set
There is the installation cavity 6 being provided on mounting bar 2, the same slide bar 9 is slidably fitted on the two sides inner wall of installation cavity 6, is lived on slide bar 9
There are two movable block 10, the top side of two movable blocks 10 is rotatably equipped with connecting rod 12 for dynamic socket, and two connecting rods 12 are mutual
Separate one end is rotatably installed in respectively on the two sides inner wall of installation cavity 6, offers through-hole 14 on the top side inner wall of installation cavity 6,
Two connecting rods 12 side close to each other is equipped with the push rod 13 being respectively and fixedly installed on two 10 top sides of movable block, and two push away
The top of bar 13 all extends in through-hole 14, and the side of two push rods 13 is rotatably equipped with V-type bar 15, two V-type bars 15
Top all extends in mounting groove 3 and is fixedly installed with clamping plate 16 respectively, and two clamping plates 16 are located at the two sides of mounting rod 4,
It is offered in the horizontal direction on the two sides inner wall of through-hole 14 and moves slot 17, the fixed peace in the side that two V-type bars 15 are located remotely from each other
Equipped with pull rod 18, one end that two pull rods 18 are located remotely from each other is extended respectively in two shifting slots 17, and the bottom side of slide bar 9 is fixedly mounted
There is fixed block 23, the bottom side of fixed block 23 offers loose slot 24, mandril 27 is movably installed in loose slot 24, installation cavity 6
Offering elliptical aperture 29 on the inner wall of bottom side, elliptical aperture 29 is run through in the bottom end of mandril 27, when needing to install, moving switch sheet first
Body 5 enters mounting rod 4 in mounting groove 3, then adjusts installation site, moves mounting rod 4 at this time, makes it in mounting groove 3
Interior movement pushes pulling block 28 to make mandril 27 mobile when the desired position is reached, and the mobile band moving slide-bar 9 of mandril 27 is mobile, slide bar
9 is mobile so that two movable blocks 10 slide on slide bar 9, so that two movable blocks 10 drive two push rods 13 to move respectively
It is dynamic.
Sliding groove 22 is offered on the bottom side inner wall of two shifting slots 17, is slidably fitted with sliding in two sliding grooves 22
Block 21, the top side of two sliding shoes 21 are respectively and fixedly installed on the bottom side of two pull rods 18, and two sliding shoes 21 are close to each other
Side be fixedly installed with one end of spring, it is mutual that two spring one end close to each other are respectively and fixedly installed to sliding groove 22
On close side inner wall, annular offers swivelling chute 25 on the inner wall of loose slot 24, and rotation is movably installed in swivelling chute 25
Block 26, the top of mandril 27 are fixedly mounted on the bottom side of spill spin block 26, and annular offers multiple cards on the inner wall of elliptical aperture 29
Slot 30, the two sides of mandril 27 are fixedly installed with fixture block 31, and the side that two fixture blocks 31 are located remotely from each other all extends in card slot 30,
The bottom end of mandril 27 is fixedly installed with pulling block 28, and rubber protecting jacket is socketed on pulling block 28, and the side of push rod 13 offers turn hole
19, shaft 20 is movably installed in turn hole 19, one end of shaft 20 is fixedly mounted on V-type bar 15 on the side of push rod 13,
Two clamping plates 16 side close to each other is fixedly installed with fastening rubber pad, two fastening rubber pads side point close to each other
It not being adapted with the two sides of mounting rod 4, the top of Switch main body 5 is equipped with bus-bar room 32, multiple partitions 33 are equipped in bus-bar room 32,
Sliding slot 7 is offered on the two sides inner wall of installation cavity 6, and sliding block 8, the both ends difference of slide bar 9 are slidably fitted in two sliding slots 7
It is fixedly mounted on two sides close to each other of sliding block 8, two sides close to each other of movable block 10 offer moving hole
11, one end of slide bar 9 sequentially passes through two moving hole 11, and two push rods 13 are mobile to drive two V-type bars 15 close to each other respectively,
Two V-type bars 15 are close to each other to drive two pull rods 18 close to each other respectively, and two pull rods 18 are close to each other to pass through two respectively
Sliding shoe 21 drives two spring stress to shrink, and two V-type bars 15 are close to each other at this time, enable two clamping plates 16 firm
Mounting rod 4 is clamped, mandril 27 is then rotated, so that two fixture blocks 31 enter in a corresponding card slot 30
Installation is completed, similarly can easily be dismantled.
Working principle: when needing to install, moving switch ontology 5 enters mounting rod 4 in mounting groove 3 first, so
After adjust installation site, move mounting rod 4 at this time, move it in mounting groove 3, when the desired position is reached, push pulling block
28 make mandril 27 mobile, and the mobile band moving slide-bar 9 of mandril 27 is mobile, and slide bar 9 is mobile so that two movable blocks 10 are sliding on slide bar 9
Dynamic, so that two movable blocks 10 drive two push rods 13 mobile respectively, two push rods 13 are mobile to drive two V-type bars respectively
15 is close to each other, and two V-type bars 15 are close to each other to drive two pull rods 18 close to each other respectively, and two 18 close to each other points of pull rod
Not Tong Guo two sliding shoes 21 drive two spring stress to shrink, two V-type bars 15 are close to each other at this time, so that two clamping plates 16
Mounting rod 4 can be firmly clamped, mandril 27 is then rotated, so that two fixture blocks 31 enter a corresponding card slot
In 30, installation can be completed, similarly can easily dismantle, the present invention proposes a kind of GFZNO-12/T630-25 air-insulated type
Vacuum load switch is a kind of 12KV compact air insulation sealed-box type switchgear/ring network cabinet of mating non-SF 6 gas insulative
High voltage device, can be used as 10kV electrical power distribution system ring network power supply and distribution terminal and use, the maximum temperature+40C of surrounding is average
Value is not more than+35 °C of minimum temperature -10C, and height above sea level≤1000m, it is relatively wet that the per day relative humidity of humidity is not more than 95% monthly average
Degree is not more than 90%, and earthquake intensity is no more than 8 degree, without fire, explosion danger, pollution severity, chemical attack and high vibration
Place, outside the connecting line at the connecting terminal of electric display device, all subsidiary loop conducting wire applied metal partitions, plastics Wiring trough
Or insulation tube separates it with major loop, gas tank is made of stainless steel plate, can reach the degree of protection of IP67, has good gas
Close property.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of air insulation vacuum load switch, including ring network cabinet (1) and Switch main body (5), which is characterized in that the switch
Ontology (5) is located in ring network cabinet (1), is fixedly installed on the side inner wall of ring network cabinet (1) mounting bar (2), the top of mounting bar (2)
Side offers mounting groove (3), and the bottom side of Switch main body (5) is fixedly installed with mounting rod (4), and the bottom end of mounting rod (4) extends to
In mounting groove (3), the lower section of mounting groove (3) is equipped with the installation cavity (6) being provided on mounting bar (2), in the two sides of installation cavity (6)
It is slidably fitted on wall the same slide bar (9), there are two movable block (10), two movable blocks (10) for pivot bush unit on slide bar (9)
Top side be rotatably equipped with connecting rod (12), one end that two connecting rods (12) are located remotely from each other is rotatably installed in installation cavity respectively
(6) it on two sides inner wall, is offered on the top side inner wall of installation cavity (6) through-hole (14), two connecting rods (12) are close to each other
Side is equipped with the push rod (13) being respectively and fixedly installed on two movable block (10) top sides, and the top of two push rods (13) extends
In to through-hole (14), the side of two push rods (13) is rotatably equipped with V-type bar (15), and the top of two V-type bars (15) is prolonged
It extending in mounting groove (3) and is fixedly installed with respectively clamping plate (16), two clamping plates (16) are located at the two sides of mounting rod (4),
Offered in the horizontal direction on the two sides inner wall of the through-hole (14) move slot (17), two V-type bars (15) be located remotely from each other one
Side is fixedly installed with pull rod (18), and one end that two pull rods (18) are located remotely from each other extends respectively in two shifting slots (17), institute
The bottom side for stating slide bar (9) is fixedly installed with fixed block (23), and the bottom side of fixed block (23) offers loose slot (24), loose slot
(24) it is movably installed with mandril (27), is offered on the bottom side inner wall of installation cavity (6) elliptical aperture (29), the bottom end of mandril (27) in
Through elliptical aperture (29).
2. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that two are moved the bottom of slot (17)
It offers sliding groove (22), is slidably fitted with sliding shoe (21) in two sliding grooves (22), two sliding shoes on the inner wall of side
(21) top side is respectively and fixedly installed on the bottom side of two pull rods (18), and two sliding shoe (21) sides close to each other are solid
Dingan County is equipped with one end of spring, and two spring one end close to each other are respectively and fixedly installed to close to each other one of sliding groove (22)
On the inner wall of side.
3. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the loose slot (24)
Annular offers swivelling chute (25) on inner wall, is movably installed with spill spin block (26) in swivelling chute (25), and the top of mandril (27) is solid
Dingan County is on the bottom side of spill spin block (26).
4. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the elliptical aperture (29)
Annular offers multiple card slots (30) on inner wall, and the two sides of mandril (27) are fixedly installed with fixture block (31), two fixture blocks (31)
The side being located remotely from each other all extends in card slot (30).
5. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the bottom of the mandril (27)
End is fixedly installed with pulling block (28), and pulling block is socketed with rubber protecting jacket on (28).
6. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the one of the push rod (13)
Side offers turn hole (19), is movably installed with shaft (20) in turn hole (19), one end of shaft (20) is fixedly mounted on V-type bar
(15) on the side of push rod (13).
7. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that two clamping plates (16) are mutual
Close side is fixedly installed with fastening rubber pad, two fastening rubber pads side close to each other respectively with mounting rod (4)
Two sides be adapted.
8. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the Switch main body (5)
Top be equipped with bus-bar room (32), be equipped with multiple partitions (33) in bus-bar room (32).
9. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that the installation cavity (6)
It offers on the inner wall of two sides sliding slot (7), is slidably fitted with sliding block (8) in two sliding slots (7), the both ends difference of slide bar (9)
It is fixedly mounted on two sliding block (8) sides close to each other.
10. a kind of air insulation vacuum load switch according to claim 1, which is characterized in that two movable blocks (10)
Side close to each other offers moving hole (11), and one end of slide bar (9) sequentially passes through two moving hole (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811271651.9A CN109378758B (en) | 2018-10-29 | 2018-10-29 | Air insulation vacuum load switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811271651.9A CN109378758B (en) | 2018-10-29 | 2018-10-29 | Air insulation vacuum load switch |
Publications (2)
Publication Number | Publication Date |
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CN109378758A true CN109378758A (en) | 2019-02-22 |
CN109378758B CN109378758B (en) | 2024-01-30 |
Family
ID=65390103
Family Applications (1)
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CN201811271651.9A Active CN109378758B (en) | 2018-10-29 | 2018-10-29 | Air insulation vacuum load switch |
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CN (1) | CN109378758B (en) |
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