CN110364952A - The valve mechanism of the novel indoor ac metal closing switch gear of pull-out type - Google Patents
The valve mechanism of the novel indoor ac metal closing switch gear of pull-out type Download PDFInfo
- Publication number
- CN110364952A CN110364952A CN201910625988.3A CN201910625988A CN110364952A CN 110364952 A CN110364952 A CN 110364952A CN 201910625988 A CN201910625988 A CN 201910625988A CN 110364952 A CN110364952 A CN 110364952A
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- valve
- connecting lever
- bearing
- plate
- out type
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- 230000007246 mechanism Effects 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 240000000233 Melia azedarach Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel 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
-
- 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
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention provides a kind of valve mechanisms of novel indoor ac metal closing switch gear of pull-out type, it is set in the cabinet door of switchgear, valve mechanism includes valve assembly and the valve bracket being mounted on left plate, connecting lever, ground connection and Men Liansuo, connecting plate, valve connecting lever and push pedal bracket, connecting lever is equipped with bearing and two output ends, bearing is mounted on the corner of connecting lever, one output end of connecting lever and ground connection and the chain connection of door, the another output of connecting lever and one end of connecting plate connect, the other end of connecting plate is connected by pin shaft with one end of valve connecting lever, pin shaft is mounted on the corner of valve connecting lever, the other end of valve connecting lever is connected with one end of push plate, push plate is mounted on left plate by push pedal bracket, the other end of push plate is connect with valve assembly.Construction of switch of the invention is simple, small in size.
Description
Technical field
The invention belongs to high-tension switch cabinet equipment technical fields, are more particularly to a kind of indoor AC metal of novel pull-out type
The valve mechanism of sealing switch equipment.
Background technique
Switchgear currently on the market mainly has KYN28-12 middle-placed switch cabinet, HXGN15-12 fixed cabinet, SF6 gas-filling cabinet, solid
Insulation cabinet and dry air and N2 gas-filling cabinet etc..The switch unit of traditional KYN28-12 middle-placed switch cabinet can be extracted out, convenient to overhaul, but its
Volume is big, takes up a large area, uneconomical；SF6 gas-filling cabinet, solid insulation cabinet and dry air and N2 Inflatable cabinet body are compact, but
SF6 is greenhouse gases, and SF6 gas-filling cabinet is unfavorable for environmental protection, and solid insulation cabinet uses a large amount of epoxy resin, shelf depreciation wind
Danger is high；HXGN15-12 fixes cabinet, SF6 gas-filling cabinet, solid insulation cabinet and dry air and N2 gas-filling cabinet is fixed, installation
It is not high to be inconvenient to the working efficiency for repairing and producing and debug.
Summary of the invention
A kind of novel pumping that the object of the present invention is to provide a kind of suitable for extracting indoor ac metal closing switch gear out
The valve mechanism of the indoor ac metal closing switch gear of formula out.
According to an aspect of the invention, there is provided a kind of work of the indoor ac metal closing switch gear of novel pull-out type
Door machine structure, is set on the cabinet body of switchgear,
The valve mechanism includes valve assembly and the valve bracket, connecting lever, ground connection and the Men Lian that are mounted on left plate
Lock, connecting plate, valve connecting lever and push pedal bracket, the connecting lever are equipped with bearing and two output ends, and the bearing is mounted on described turn
The corner of arm, an output end of the connecting lever and the ground connection and the chain connection of door, the another output of the connecting lever
It is connect with one end of connecting plate, the other end of the connecting plate is connected by pin shaft with one end of valve connecting lever, the pin shaft installation
The other end in the corner of the valve connecting lever, the valve connecting lever is connected with one end of push plate, and the push plate is by pushing away
Board mount is mounted on left plate, and the other end of the push plate is connect with valve assembly.
In some embodiments, the valve assembly is composed of several plastic doors, and the two of the valve assembly
End is mounted in the valve bracket by guide rail.
In some embodiments, bracket is additionally provided on the left plate, the push plate is equipped with pilot hole, the push plate
Lower end is equipped with guide rod and reseting pressuring spring, and one end of the reseting pressuring spring is connect with guide rod, the other end of the reseting pressuring spring
It is connect with bracket.
In some embodiments, it is additionally provided with chassis vehicle and breaker mechanism component in the cabinet body,
The chassis vehicle include chassis frame and the left side being mounted on the chassis frame auxiliary guidance set,
Ball-screw component and rear auxiliary guidance set, the left side auxiliary guide mechanism and rear auxiliary guide mechanism are respectively equipped with guiding
The bearing being arranged on slot, the guide groove and the breaker mechanism component matches；
The breaker mechanism component includes vacuum circuit breaker and breaker mechanism frame, and the breaker mechanism component passes through
Ball-screw component is mounted on the chassis vehicle, and the pull-out type vacuum circuit breaker is fixed by pole and feed screw nut
On the breaker mechanism frame.
In some embodiments, the ball-screw component includes ball-screw, load-bearing limit sleeve, feed screw nut, pushes away
Power ball bearing, linear bearing and upper limit set,
Fixation is set on the ball-screw by the load-bearing limit sleeve and upper limit set by elastic cylindrical pin, described
The partial threads that ball-screw is located between the load-bearing limit sleeve and upper limit set are connected in the feed screw nut, institute
It states and is also successively arranged with thrust ball bearing, linear bearing and lower limit set on ball-screw, the lower limit set is located at the bottom
In jiggering frame, the thrust ball bearing and linear bearing are between the chassis frame and the load-bearing limit sleeve, institute
Linear bearing is stated to be mounted on the chassis frame.
In some embodiments, described and feed screw nut and the breaker mechanism component pass through the fixed company of fastener
It connects, feed screw nut described in the rotate driving of the ball-screw moves in a straight line on the ball-screw, the feed screw nut
Rotation drive breaker mechanism component done along the guide groove of the left side auxiliary guide mechanism and rear auxiliary guide mechanism
Lower linear motion.
In some embodiments, the chassis vehicle further includes operating shaft and transmission shaft, is run through in the chassis frame
There are the transmission shaft and operating shaft, one end of the operating shaft is connect with the transmission shaft by Spur Gear Driving, the operation
The other end of bar is connect with operating handle, and the operating handle is located at outside the cabinet body of the switchgear.
In some embodiments, the bottom of the chassis frame is set there are three wheel, and the wheel can by pin shaft
It is rotatably mounted on the frame of chassis.
In some embodiments, it is arranged on the transmission shaft there are two copper sheathing, the copper sheathing is vertical with the transmission shaft
Setting.
It has the advantage that: construction of switch of the invention is simple, it is small in size；Air insulation is only relied on, it is highly reliable；Circuit
It is connected with conventional copper bar, scheme scalability is strong；Switch unit be it is withdrawable, it is easy to maintain；Electric current etc. is considered in original design
Grade, high parameter；Without SF6, it is environmentally friendly the advantages that.
Detailed description of the invention
Fig. 1 is a kind of switchgear of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Schematic view of the front view；
Fig. 2 is a kind of switchgear of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Side structure schematic view；
Fig. 3 is a kind of switchgear of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Backsight structural representation；
Fig. 4 is a kind of valve machine of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
The structural schematic diagram of structure；
Fig. 5 is a kind of switchgear of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Backsight structural representation；
Fig. 6 is that a kind of vacuum of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention is disconnected
The schematic view of the front view of road device；
Fig. 7 is that a kind of vacuum of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention is disconnected
The overlooking structure diagram of road device；
Fig. 8 is a kind of chassis vehicle of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Schematic view of the front view；
Fig. 9 is a kind of chassis vehicle of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
Side structure schematic view；
Figure 10 is a kind of fixation of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
The structural schematic diagram of limiting device；
Figure 11 is a kind of fixation of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
The structural schematic diagram of limiting device；
Figure 12 is a kind of the chain of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
The structural schematic diagram of mechanism；
Figure 13 is a kind of the chain of novel indoor ac metal closing switch gear of pull-out type of an embodiment of the present invention
The structural schematic diagram of mechanism.
Specific embodiment
Fig. 1-Figure 13 schematically shows the indoor AC metal envelope of the novel pull-out type of one embodiment of the present invention
Close switchgear.As shown in Fig. 1-Figure 13, which includes switchgear, valve
Mechanism, chassis vehicle, breaker mechanism component, fixed limit interlock and interlocking gear.The cabinet door of the switchgear is equipped with
Valve mechanism.The chassis vehicle and breaker mechanism component are located in the cabinet body of the switchgear.It is equipped in the chassis vehicle solid
Fixing limit interlock.Interlocking gear is equipped in the breaker mechanism component.
As shown in Figure 1-Figure 3, switchgear includes cabinet body 11, wall bushing 12, combination linkage assemblies 15, the chain box of ground connection
16, insulating boot 17, duckbilled contact 18, switch unit 19, earthing switch 110, contact box 111, Mume flower contact 112, upper copper bar
113, current transformer 114, lower copper bar 115, extension cable copper bar 116 and cable 117.Wherein, wall bushing 12, chain group of combination
Part 15, the chain box 16 of ground connection, insulating boot 17, earthing switch 110, contact box 111, current transformer 114 are mounted on cabinet body 11.
Duckbilled contact 18 is mounted in insulating boot 17 and is connect by upper copper bar 113 with current transformer 114.Mume flower contact 112 is mounted on
It is connect by copper bar with other cabinet bodies in contact box 111, by lower copper bar 115 by 114 lower end of current transformer and earthing switch
110 are connected.It hangs cable copper bar 116 to be fixed on lower copper bar 115, another termination cable 117.Switch unit 19, structure are solid
Sealed pole and feed screw nut are fixed on breaker mechanism component.
As shown in fig. 4-5, valve mechanism 2 includes left plate 21, valve assembly 22, valve bracket 23, connecting lever 24, ground connection
With door is chain 25, connecting plate 26, pin shaft 27, valve connecting lever 28, bracket 29, guide rod 210, reseting pressuring spring 211, push plate 212, push plate
Bracket 213 forms.Wherein, valve bracket 23, connecting lever 24, ground connection and door are chain 25, connecting plate 26, valve connecting lever 28, bracket 29, push away
Board mount 213 is mounted on left plate 21.Valve assembly 22 is composed of several plastic door pieces, can be according to guide rail
Setting is freely turned round, and is mounted on left plate 21 and contact box mounting plate 214 by valve bracket 23.Valve assembly 22 includes living
Door, valve are made of several pieces.Guide rail is made of straight rail and bending track.Guide rail both ends are equipped with chock plug.Valve assembly 22 is distributed
In the left side of cabinet body and the lower end of contact box 111.Connecting lever 24 is mounted on left plate 21, connecting lever 24 design have bearing and two it is defeated
The corner of outlet, connecting lever is equipped with bearing, and connecting lever 24 is enable to rotate around its corner.When vacuum circuit breaker raising and lowering
When, connecting lever 24 can be realized by its position of bearings and be rotated.Two output ends of connecting lever 24, wherein one end and ground connection with door chain 25
Connection is, it can be achieved that the position of earthing switch and vacuum circuit breaker is chain in cabinet door and cabinet, 24 other end of connecting lever and connecting plate 26
It is connected.26 one end of connecting plate is connected with connecting lever 24, and the other end is connected by pin shaft 27 with valve connecting lever 28.Pin shaft 27 is mounted on work
The corner of door connecting lever 28, rotates convenient for valve connecting lever 28 around its corner.Valve connecting lever 28 is mounted on left plate 21, one
End is connected with connecting plate 26, and the other end is connected with push plate 212.Push plate 212 is mounted on left plate 21 by push pedal bracket 213.It pushes away
The design of plate 212 has guide groove, can be moved up and down in push pedal bracket 213 by guide rod 210.212 one end of push plate and valve
Connecting lever 28 connects, and the other end is connect with valve assembly 22.The design of push plate 212 has pilot hole, and lower end design has guide rod 210 and answers
Position pressure spring 211.One end of reseting pressuring spring 211 is connect with guide rod 210, and the other end is connect with bracket 29.
Valve mechanism specific embodiment: operation vacuum circuit breaker chassis is above pushed away half promotion by vacuum circuit breaker and turned
24 upper bearing (metal) of arm, the realization of connecting lever 24 rotate counterclockwise, and connecting lever 24 drives ground connection to move downward realization with door chain 25 and can be achieved out
It is chain to close the position of earthing switch and vacuum circuit breaker in cabinet door and cabinet, while connecting lever 24 drives valve connecting lever 28 by connecting plate 26
It rotates clockwise, valve connecting lever 28 is moved downward valve assembly 22 by push plate 212, and openning and dosing bib is opened, at this time vacuum
Breaker can continue to rise until cooperating with the Mume flower contact 112 in contact box 216, when vacuum circuit breaker drops to a positioning
When setting, 24 upper bearing (metal) of connecting lever is no longer limited by vacuum circuit breaker, and valve assembly 22 realizes shutdown by reseting pressuring spring 211 again.
As shown in Fig. 6-Fig. 9, chassis vehicle 37 includes that left side assists guidance set 39, ball-screw 310, load-bearing limit sleeve
311, thrust ball bearing 312, linear bearing 313, chassis frame 314, upper limit set 315, chassis vehicle and chain group of breaker
Part 316, left and right jam plate 318, tension spring 319, operating shaft 320, spur gear 321, copper sheathing 322, bevel gear 323, wheel 324, pivot pin
325, transmission shaft 326, lower limit set 327, positioning pin 328, grounding copper bar 329 and rear auxiliary guidance set 330.Wherein, left side
Assist guidance set 39, linear bearing 313, chassis vehicle and breaker linkage assemblies 316, operating shaft 320, wheel 324, pivot pin
325, transmission shaft 326, positioning pin 328, grounding copper bar 329, rear auxiliary guidance set 330 are mounted on chassis frame 314.Rolling
Load-bearing limit sleeve 311 and upper limit set 315 are fixed thereon by ballscrew 310 by elastic cylindrical pin, intermediate screw part with
Feed screw nut 36 cooperates, and breaker mechanism component 31 is driven to do linear motion up and down.310 lower end of ball-screw is equipped with thrust ball axis
Hold 312 and linear bearing 313.Thrust ball bearing 312 can utmostly reduce the friction resistance that ball-screw 310 is generated in rotation
Power, linear bearing 313 are mounted on chassis frame 314, ensure that the direction of ball-screw 310 Yu chassis frame 314, really
About 31 breaker mechanism component is protected to move in a straight line.
Chassis vehicle 37 is embodied: the handle hole of chassis vehicle 37, manipulator are opened by the emergency opening button of switchgear
Handle rotates clockwise operating shaft 320, and operating shaft 320 drives transmission shaft 326 to rotate by spur gear 321, and the rotation of transmission shaft 326 is logical
It crosses bevel gear 323 while two groups of ball-screws 310 being driven to rotate, ball-screw 310 passes through 36 belt fuser mechanism of feed screw nut
Component 31 moves along a straight line upwards, when operation handle rotates clockwise operating shaft 320, the then downward straight line of breaker mechanism component 31
Movement.
Chassis vehicle and breaker linkage assemblies 316, when implementation needs to move up and down for breaker, need to open bottom
Breaker open operation, insertion operation handle can be made breaker mechanism by the handle hole of jiggering 37, the handle hole for opening chassis vehicle 37
It is constantly in gate-dividing state, breaker can not close a floodgate, and realize the safety operation of switch, and emergency opening function makes switchgear shutdown shape
Manual emergency separating brake function also may be implemented in state.
Breaker mechanism component 31 is fitted on chassis vehicle 37 by feed screw nut 36 and ball-screw 310.Silk
Thick stick nut 36 and ball-screw 310 are supporting structure.Left side auxiliary guidance set 39 and rear auxiliary guidance set 330 design are led
To slot, the bearing fit being arranged on guide groove and breaker mechanism component 31 guarantees that about 31 breaker mechanism component does straight line
Movement.Novel pull-out type vacuum circuit breaker is fixed on breaker mechanism component 31 by pole 32 and feed screw nut 36.
Pole 32 is formed by poured with epoxy resin, and a static contact 38 and upper contact head silica gel sheath 33, side installation are installed in the upper end
Lower contact silica gel sheath 34 and a moving contact 35.Upper contact head silica gel sheath 33 and lower contact silica gel sheath 34 are insulating materials, guarantee to produce
Product electric property, high reliablity.Ball-screw 310 is rotated, feed screw nut 36 moves in a straight line on ball-screw 310, and silk
Thick stick nut 36 is fixed with breaker mechanism component 31 with fastener, and thus ball-screw 310 drives breaker mechanism component 31 to do
Linear motion up and down.
As shown in figs. 10-11, fixed limit interlock 9, structure includes lock tongue 421, left and right jam plate 422, plastics
Handle 423, return spring 424, limit pin shaft 425, interlock plate 426 and chain tension spring 427.Plastic handles 423 are mounted on chassis vehicle
On frame 314.Left and right jam plate 422 is two pieces, and one end is fixed with lock tongue 421, stretches out the two sides of chassis vehicle respectively, can be the bottom of by
Jiggering limits in switchgear.Left and right jam plate 422 is fixedly connected with plastic handles 423.Operating plastic handles 423 can be by vacuum
Breaker, switch unit its be extracted out or promoted and limit from switchgear.Design has return spring 424 on left and right jam plate 422, resets
424 one end of spring is fixed on left jam plate, and the other end is fixed on right jam plate, and tension spring extends when operation, and tension spring resets when not operating.
Left and right jam plate 422 and breaker are chain, and when breaker, which moves along a straight line, is detached from chassis vehicle, chain tension spring 427 makes the chassis vehicle first line of a couplet
Jam plate 426 limits, and 422 upper limit pin shaft of left and right jam plate, 425 side-to-side movement is prevented, to realize that breaker can not extract switchgear out
Chain function.
As shown in Figure 12-Figure 13, its structure of novel vacuum circuit breaker interlocking gear include latch lever 51, push plate 52, on
Bracket 53, shift plate 54, spacer 55, lower bracket 56, trip shaft 57, tension spring 58, mounting angle plate 59, chain connecting lever 510, gasket 511,
Emergency opening push plate 512, vacuum circuit breaker mechanism frame 513, vacuum circuit breaker chassis frame 514, connecting plate 515 and handle hole
Baffle 516.Wherein, push plate 52, upper bracket 53, lower bracket 56 are mounted on vacuum circuit breaker chassis frame 514.Mounting angle plate
59, emergency opening push plate 512, handle hole baffle 516 are mounted on vacuum circuit breaker chassis frame 514.Its structure of latch lever 51
Using hexagonal steel, one end is passed through from upper bracket 53, shift plate 54 and lower bracket 56, the other end from mounting angle plate 59, chain turn
It is passed through in arm 510, gasket 511, the design of this end has circlip groove, is limited about 51 latch lever by mounting angle plate 59.Latch lever
51 is opposing stationary with 59 up and down direction of mounting angle plate, rotates in 51 mounting angle plate of latch lever, 59 hole.Shift plate 54 and chain connecting lever 510
Design has hexagon ring and latch lever 51 to cooperate, and realizes while rotating, wherein chain connecting lever 510 and about 51 latch lever are relatively quiet
Only.Shift plate 54 can move up and down along latch lever 51.Shift plate 54 is divided into thereon in respect of upper bracket 53, lower bracket 56.When vacuum is disconnected
When road device moves up and down, upper bracket 53, lower bracket 56 drive shift plate 54 to move up and down along latch lever 51.Spacer 55 is by upper bracket
53 and lower bracket 56 limit, guarantee that shift plate 54 can Positive rotational between bracket 53 and lower bracket 56.The fixed vacuum of push plate 52 is disconnected
On road device chassis frame 514, design has guide groove, can be with side-to-side movement.One end of push plate 52 is contacted with shift plate 4, another
End is contacted with trip shaft 7.When shift plate 54 rotates, push plate 52 is driven to push trip shaft 57, trip shaft 57 makes vacuum circuit breaker point
Lock.Design has tension spring 58 in push plate 52, and tension spring 58 guarantees that push plate 52 can reliable reset.Chain connecting lever 510, center is designed as six
Corner apertures and latch lever 51 cooperate, and one end is contacted with emergency opening push plate 512, and the other end is connect with one end of connecting plate 515, connecting plate
515 other ends are connect with handle hole baffle 516.
Novel vacuum circuit breaker is embodied with interlocking gear: operation vacuum circuit breaker chassis makes vacuum circuit breaker or more
When movement, need to operate emergency opening push plate 512, emergency opening push plate 512 drives chain connecting lever 510 to rotate, chain connecting lever 510
Handle hole baffle 514 is opened by connecting plate 515, while chain connecting lever 510 drives shift plate 54 to rotate by latch lever, shift plate 54
It drives trip shaft 57 to make vacuum circuit breaker separating brake by push plate 52, is inserted into vacuum circuit breaker chassis operation handle, operation at this time
Handle limits handle hole baffle 516, and by interlocking gear, trip shaft 57 is limited, and breaker is made to be constantly in gate-dividing state,
Interlocking gear resets after handle is extracted, and breaker restores normal division operation.The utility model vacuum circuit breaker is realized with interlocking gear
Breaker necessarily is in the mechanical chain requirement of gate-dividing state when operation vacuum circuit breaker moves up and down, while setting in switchgear
In respect of emergency opening push-botton operation emergency opening push plate, manual emergency separating brake function is also may be implemented in switchgear shutdown state, real
The safety operation now switched, reliability are higher.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, it is not taking off
Under the premise of from the invention design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (9)
1. a kind of valve mechanism of the indoor ac metal closing switch gear of novel pull-out type, which is characterized in that it is set to out
On the cabinet body for closing cabinet,
The valve mechanism includes valve assembly and the valve bracket, connecting lever, ground connection and the Men Liansuo that are mounted on left plate, connects
Plate, valve connecting lever and push pedal bracket, the connecting lever is equipped with bearing and two output ends, the bearing are mounted on turning for the connecting lever
Crook, an output end of the connecting lever and the ground connection and the chain connection of door, the another output and connecting plate of the connecting lever
One end connection, the other end of the connecting plate is connected by pin shaft with one end of valve connecting lever, described in the pin shaft is mounted on
The other end of the corner of valve connecting lever, the valve connecting lever is connected with one end of push plate, and the push plate passes through push pedal bracket
It is mounted on left plate, the other end of the push plate is connect with valve assembly.
2. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 1, feature
It is, the valve assembly is composed of several plastic doors, and the both ends of the valve assembly are mounted on described by guide rail
In valve bracket.
3. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 1, feature
It is, bracket is additionally provided on the left plate, and the push plate is equipped with pilot hole, and the lower end of the push plate is equipped with guide rod and reset
One end of pressure spring, the reseting pressuring spring is connect with guide rod, and the other end of the reseting pressuring spring is connect with bracket.
4. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 1, feature
It is, chassis vehicle and breaker mechanism component is additionally provided in the cabinet body,
The chassis vehicle includes chassis frame and the left side being mounted on the chassis frame auxiliary guidance set, ball
Lead screw assembly and rear auxiliary guidance set, the left side auxiliary guide mechanism and rear auxiliary guide mechanism are respectively equipped with guide groove,
The bearing being arranged on the guide groove and the breaker mechanism component matches；
The breaker mechanism component includes vacuum circuit breaker and breaker mechanism frame, and the breaker mechanism component passes through ball
Lead screw assembly is mounted on the chassis vehicle, and the pull-out type vacuum circuit breaker is fixed on institute by pole and feed screw nut
It states on breaker mechanism frame.
5. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 4, feature
Be, the ball-screw component include ball-screw, load-bearing limit sleeve, feed screw nut, thrust ball bearing, linear bearing and on
Limit sleeve,
Fixation is set on the ball-screw by the load-bearing limit sleeve and upper limit set by elastic cylindrical pin, the ball
The partial threads that lead screw is located between the load-bearing limit sleeve and upper limit set are connected in the feed screw nut, the rolling
Thrust ball bearing, linear bearing and lower limit set are also successively arranged on ballscrew, the lower limit set is located at the chassis vehicle
In frame, the thrust ball bearing and linear bearing are described straight between the chassis frame and the load-bearing limit sleeve
Spool, which is held, to be mounted on the chassis frame.
6. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 4, feature
It is, it is described and feed screw nut is fixedly connected with the breaker mechanism component by fastener, the rotation of the ball-screw
The feed screw nut is driven to move in a straight line on the ball-screw, the rotation of the feed screw nut drives breaker mechanism group
Part does linear motion up and down along the guide groove of the left side auxiliary guide mechanism and rear auxiliary guide mechanism.
7. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 4, feature
It is, the chassis vehicle further includes operating shaft and transmission shaft, and running through in the chassis frame has the transmission shaft and operating shaft,
One end of the operating shaft is connect with the transmission shaft by Spur Gear Driving, and the other end and operating handle of the operating stick connect
It connects, the operating handle is located at outside the cabinet body of the switchgear.
8. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 4, feature
It is, the bottom of the chassis frame is set there are three wheel, and the wheel is installed in rotation on chassis vehicle frame by pin shaft
On frame.
9. the valve mechanism of the indoor ac metal closing switch gear of novel pull-out type according to claim 4, feature
It is, is arranged on the transmission shaft there are two copper sheathing, the copper sheathing is vertically arranged with the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625988.3A CN110364952B (en) | 2019-07-11 | 2019-07-11 | Valve mechanism of novel drawing indoor alternating current metal closed switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110364952B CN110364952B (en) | 2024-03-26 |
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| CN210723928U (en) * | 2019-07-11 | 2020-06-09 | 法腾电力装备江苏有限公司 | Valve mechanism of novel draw-out type indoor AC metal-enclosed switchgear |
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| JP2002135919A (en) * | 2000-10-27 | 2002-05-10 | Taito Kogyo Kk | Switchgear |
| CN101436761A (en) * | 2008-12-11 | 2009-05-20 | 江苏永鼎股份有限公司 | Interlocking mechanism for offbear type high voltage switch cabinet shutter pair cart |
| KR20110103850A (en) * | 2010-03-15 | 2011-09-21 | 가부시키가이샤 히타치세이사쿠쇼 | Switching gear |
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| CN204012384U (en) * | 2014-06-27 | 2014-12-10 | 江苏大全长江电器股份有限公司 | Middle-placed switch cabinet valve locking mechanism |
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| CN110364952B (en) | 2024-03-26 |
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