CN108878212A - A kind of super-pressure double-fracture potting breaker - Google Patents
A kind of super-pressure double-fracture potting breaker Download PDFInfo
- Publication number
- CN108878212A CN108878212A CN201810997790.3A CN201810997790A CN108878212A CN 108878212 A CN108878212 A CN 108878212A CN 201810997790 A CN201810997790 A CN 201810997790A CN 108878212 A CN108878212 A CN 108878212A
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- canister
- arc
- chutes
- fracture
- super
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- 238000004382 potting Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000009413 insulation Methods 0.000 claims description 4
- 230000036316 preload Effects 0.000 claims description 2
- 208000010392 Bone Fractures Diseases 0.000 description 21
- 206010017076 Fracture Diseases 0.000 description 21
- 239000007789 gas Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000004020 conductor Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 229910018503 SF6 Inorganic materials 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 208000006670 Multiple fractures Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas
Abstract
The present invention provides a kind of super-pressure double-fracture potting breakers, belong to high-voltage circuitbreaker technical field.It solves the technical issues of existing high-voltage circuitbreaker is difficult to ensure tank body leakproofness.This super-pressure double-fracture potting breaker, including the canister for being filled with insulating gas, the top sealing of the canister is fixed with insulating sleeve, the inner cavity of the insulating sleeve is connected with the inner cavity of the canister, conducting rod is equipped in the insulating sleeve, it is characterized in that, there are two and for straight-tube shapes for the canister, it is connected between two canisters by horizontal cylinder, the drag link mechanism for being equipped with arc-chutes in each canister and being cut-off for controlling the arc-chutes, the drag link mechanism is located at the underface of arc-chutes, the conducting rod stretches out insulating sleeve along the vertical direction and the upper end of arc-chutes connects, it is connected between the lower end of two arc-chutes by guide rod and guide rod is located in the horizontal cylinder.The probability of insulating gas leakage is greatly reduced in this super-pressure double-fracture potting breaker, safer.
Description
Technical field
The invention belongs to breaker technical fields, are related to a kind of super-pressure double-fracture potting breaker.
Background technique
The form of multiport is often used in extra high voltage circuit breaker, multiple fractures can make the voltage being added on each fracture
It reduces, so that so that every section of arc gap is restored voltage reduces, in addition multiple fractures are divided into multiple small electric arc sections to connect on electric arc,
Multi-break is longer than the electric arc drawing of single break under equal contact travel, to increase arc gap resistance, multi-break is also suitable
It is accelerated in total opening velocity, medium recovery speed increases, and has significant applicability, and double break circuit breaker is one of
Common form.
It is by cylinder of steel that the Chinese patent of Publication No. CN103441031A, which discloses a kind of double fracture tank type vacuum circuit breaker,
Vacuum chamber is formed with left support insulator and right support insulator, it is vertical immediately below the quiet electric conductor in left and right 2 in vacuum chamber
Y type electrical conductor is installed, double-fracture, left casing electric conductor and elbow are formed by the quiet electric conductor in left and right 2 and Y type electrical conductor
Connection electric conductor grafting in connection electric conductor grafting in the left tank of formula, right casing electric conductor and the right tank of elbow type.Above structure
In its insulated pull rod by the sealing effect with bellows-welding realization canister, but there are pressure differences always to welding for bellows two sides
Place applies pressure, and the material of insulated pull rod is mostly nonmetallic and metal material bellows is difficult to ensure stable welding matter
Amount, as insulated pull rod axial movement is easy to cause weld failure, and when applying to super-pressure conveying, supporting insulator to tank
The creepage distance of cylinder is obviously insufficient, furthermore needs toward contact in the sulfur hexafluoride gas for being filled with high pressure, the pressure difference of generation in canister
It is bigger, leakage occurs under this state the dielectric strength in canister can be made to be greatly reduced in addition to toxic gas can be discharged also to cause to hit
It wears, there is very big security risk.
And be to avoid that this thing happens, the technical staff in field often considers how that the welding for improving bellows is strong
Degree, for example by the coat of metal of outer peripheral surface setting a part in insulated pull rod, the solder attachment effect with bellows is improved,
Or multiple-sealed structure and the cooperation of canister inner wall are set in the outer peripheral surface outer peripheral surface of insulated pull rod, but above-mentioned mode is still being deposited
The seal failure in use of biggish probability, and in super-pressure transmission process once occur leakage will will cause it is serious
Loss.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of super-pressure double-fracture potting breaker, this
The technical problems to be solved by the invention are：How the safety of high-voltage circuitbreaker is improved.
Object of the invention can be realized by the following technical scheme：
A kind of super-pressure double-fracture potting breaker, including the canister for being filled with insulating gas, the top of the canister is close
Sealing is connected with insulating sleeve, and the inner cavity of the insulating sleeve is connected with the inner cavity of the canister, is equipped with and leads in the insulating sleeve
Electric pole, which is characterized in that there are two the canisters and is straight-tube shape, is connected between two canisters by horizontal cylinder, in each tank
The drag link mechanism for being equipped with arc-chutes in cylinder and cut-offfing for controlling the arc-chutes, the drag link mechanism are being located at arc-chutes just
Lower section, the upper end that the conducting rod stretches out insulating sleeve and arc-chutes along the vertical direction connect, the lower ends of two arc-chutes it
Between by guide rod connection and guide rod be located in the horizontal cylinder.
Canister is used to be filled with the sulfur hexafluoride gas or other insulating gas of high pressure, and the insulating sleeve that is connected at the top of canister is anti-
The only creepage phenomenon in outside, conducting rod are set in insulating sleeve for conveying electric current.By setting up two canisters straight separately
And it is connected to by horizontal cylinder, the structure inside two canisters is made to obtain the package of insulating gas in this way and guarantees the pressure rings of two sides
Border is consistent, avoid insulating gas pressure difference cause arc-chutes cut-off it is inconsistent cause components damage, furthermore in each canister
The drag link mechanism for being respectively provided with arc-chutes and cut-offfing for controlling arc-chutes makes conducting rod stretch out the upper of insulating sleeve and arc-chutes
End is connected, and the lower end of two arc-chutes is connected by crossing the guide rod of horizontal cylinder, and there is independent pull rod in the underface of each arc-chutes
Mechanism guarantees in the interrupting process of drag link mechanism force direction along axial direction without generating torque, avoid part distortion fatigue and
It causes the accident, furthermore entire drag link mechanism is all wrapped in the canister full of insulating gas, guarantees that the movement of drag link mechanism is
It is taken place without inside canister and sealing is had an impact, and the structure of can outer surface is static state in use, it can
Guarantee optimal sealing effect, so that the probability that circuit breaker internal insulating gas leaks be greatly reduced, improves this breaker
Safety.
In a kind of above-mentioned super-pressure double-fracture potting breaker, the drag link mechanism includes insulated pull rod and manipulation machine
Structure, the upper end of the insulated pull rod are connect with the lower end of the arc-chutes, and the lower end of the insulated pull rod and the operating mechanism pass
Dynamic connection, the lateral wall of the canister are fixed with aviation plug, and the inner end of the aviation plug is electrically connected with the operating mechanism.
Drag link mechanism includes insulated pull rod and operating mechanism, and the upper end of insulated pull rod and the lower end connection of arc-chutes are to pass through axial fortune
Dynamic that arc-chutes is driven to cut-off, the lower end of operating mechanism and insulated pull rod connects to realize its axial movement, existing operating mechanism
There are spring formula and vortex electromagnetic repulsion force formula etc., aviation plug is plugged by the lateral wall in canister, makes inner end and the behaviour of aviation plug
Vertical mechanism electrical connection, aviation plug have good air-tightness, and such external world can control manipulation by aviation plug energization
Mechanism realizes cut-offfing for arc-chutes, and whole process will not have an impact the sealing of canister, be further ensured that the safety of this breaker
Property.
In a kind of above-mentioned super-pressure double-fracture potting breaker, sealing is fixed at the top of the insulating sleeve, and this is exhausted
The top plate of edge sleeve upper end, the upper end of the conducting rod are connected to the top plate, and the bottom of the canister is fixed with sealing should
The bottom plate of canister lower end.By the way that top plate is arranged at the top of insulating sleeve, bottom plate is set in the lower end of canister, in this way guarantee insulation sleeve
The cavity that cylinder and canister are formed has enough leakproofness, guarantees the safety of this breaker.
In a kind of above-mentioned super-pressure double-fracture potting breaker, the lower section of each bottom plate is equipped with support frame, institute
The top surface and the bottom plate for stating support frame are connected, and two support frames as described above are slidably connected along the extending direction of the horizontal cylinder.Two is vertical
It is to be connected to by horizontal cylinder between the canister of setting, in actual installation process, when two canisters are respectively installed to the finger of support frame
Positioning postpones, since the characteristic requirements of super-pressure can make asking for the bigger meeting up-sizing tolerance of the horizontal distance between two canisters
Topic, often the actual size of the mounting distance and horizontal cylinder between two canisters is inconsistent, and installation will lead in breaker by force at this time
The interaction of portion's stress, there are the hidden danger that junction is detached from, and are slidably connected by setting two extending directions along the horizontal cylinder
Support frame, in this way by support frame sliding can eliminate internal stress and ensure vertical stability support effect, be further ensured that
The safety of this breaker.
In a kind of above-mentioned super-pressure double-fracture potting breaker, several waist-shaped holes, institute are offered on support frame as described above
The length direction for stating waist-shaped hole is consistent with the extending direction of the horizontal cylinder, and the outside of support frame as described above is equipped with connecting plate, the company
Fishplate bar is separately connected two support frames by bolt, and the bolt is inserted in the waist-shaped hole and the inner sidewall of the opposite waist-shaped hole of energy
Sliding.By opening up several extending directions and horizontal cylinder axially parallel waist-shaped hole on the support frame, connecting plate is passed through using bolt
It realizes with waist-shaped hole cooperation and is slidably connected to two support frame limited ranges, horizontal cylinder can be realized by adjusting bolt installation site
Installation, operate it is convenient.
In a kind of above-mentioned super-pressure double-fracture potting breaker, the length dimension of the insulating sleeve is greater than the tank
The length dimension of cylinder.For that there must be enough creepage distances on the outside of super-pressure conveying insulating sleeve, the length of insulating sleeve is set
The length dimension that size is greater than the canister, so sufficiently high insulating properties on the outside of guarantee insulating sleeve are spent, extraneous attachment is reduced
Creepage phenomenon caused by pollution improves the safety of this breaker.
In a kind of above-mentioned super-pressure double-fracture potting breaker, the periphery of the insulated pull rod is equipped with transmission arm, cunning
Block and axially towards the horizontally disposed slide cartridge of insulated pull rod, the sliding block be slidably matched in the slide cartridge, the sliding block and cunning
Against the spring for being provided with preload between the bottom of cylinder, one end of the transmission arm is hinged with the insulated pull rod, the transmission
The other end of arm is hinged with the sliding block, when arc-chutes closure, the transmission arm and the hinged one end of insulated pull rod
Inclination upwards, when the arc-chutes disconnect, transmission arm one end hinged with insulated pull rod is tilted down.It is passed by setting
The both ends of swing arm are hinged with insulated pull rod and sliding block respectively, are snug fit at sliding block in horizontally disposed slide cartridge, slide cartridge is along axis
To the spring and sliding block that towards insulated pull rod, furthermore setting compression is pre-tightened in slide cartridge against the hinge of such sliding block and transmission arm
Connecting point position upper movement only in horizontal direction, and the interface point of insulated pull rod and transmission arm only moves in the vertical direction, arc extinguishing
Before the closure of room, transmission arm one end hinged with insulated pull rod is tilted down, and is started insulated pull rod when closure and is driven the one of transmission arm
It is moved on end, transmission arm inclination gradually tends to be horizontal, and transmission arm pushes sliding block to slide into slide cartridge and further compress bullet at this time
Spring, when continuing movement makes transmission arm and the hinged one end of insulated pull rod start to tilt upwards, spring discharges potential energy outward, at this time
Insulated pull rod is driven the thrust that arm tilts upward, to improve closing speed, and after arc-chutes closure spring thrust
Still continuous action guarantees closure effect；Similarly, in arc-chutes disconnection process, the energy storage of spring elder generation is logical in transmission arm tilt angle
It crosses horizontal critical rear release potential energy and accelerates moving down for insulated pull rod, speed is cut-off in raising.
In a kind of above-mentioned super-pressure double-fracture potting breaker, the transmission arm, spring, slide cartridge and sliding block have several
It is a and be evenly arranged along the periphery of the insulated pull rod.Several transmissions are arranged circumferentially by the outer periphery in insulated pull rod
The active force of arm, spring, slide cartridge and sliding block, each transmission arm suffered by such insulated pull rod can cancel out each other in the horizontal direction and
Increase axial thrust, so that insulated pull rod be avoided to be deformed by unbalance loading fracture, guarantees the safety of breaker and raising is gone out
Arc chamber cut-offs the speed of closure.
Compared with prior art, advantages of the present invention is as follows：
1, this super-pressure double-fracture potting breaker is by setting up two canisters straight separately and being connected to by horizontal cylinder, this
Sample makes the structure inside two canisters obtain the package of insulating gas and guarantees that the pressure environment of two sides is consistent, furthermore each
Independent drag link mechanism is respectively provided with immediately below arc-chutes, guarantee in the interrupting process of drag link mechanism force direction along axial and
Torque is not generated, in addition entire drag link mechanism is set all be wrapped in the canister full of insulating gas, guarantees the fortune of drag link mechanism
Dynamic is to take place without to have an impact sealing inside canister, and the structure of can outer surface is quiet in use
State can guarantee optimal sealing effect, so that the probability that circuit breaker internal insulating gas leaks be greatly reduced, improve this
The safety of breaker.
2, this super-pressure double-fracture potting breaker plugs aviation plug by the lateral wall in canister, makes aviation plug
Inner end is electrically connected with operating mechanism, aviation plug have good air-tightness, such external world can by aviation plug energization come
Control operating mechanism realizes cut-offfing for arc-chutes, and whole process will not have an impact the sealing of canister, be further ensured that this open circuit
The safety of device.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this super-pressure double-fracture potting breaker.
Fig. 2 is the schematic diagram of the section structure of this super-pressure double-fracture potting breaker.
Fig. 3 is the broken section structural schematic diagram of canister.
Fig. 4 is the portion the A enlarged drawing in Fig. 3.
Fig. 5 is the schematic perspective view of single support frame.
In figure, 1, canister；11, aviation plug；12, bottom plate；13, pressure gauge；14, charge valve；15, mutual inductor；
2, insulating sleeve；21, top plate；
3, conducting rod；4, horizontal cylinder；5, arc-chutes；
6, drag link mechanism；61, insulated pull rod；62, operating mechanism；63, transmission arm；64, sliding block；65, slide cartridge；66, spring；
7, guide rod；
8, support frame；81, waist-shaped hole；82, connecting plate；83, bolt.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1-3, this super-pressure double-fracture potting breaker is the breaker for being applicable in 363KV super-pressure comprising
For being filled with the canister 1 of sulfur hexafluoride gas, the top sealing of canister 1 is fixed with insulating sleeve 2, the inner cavity of insulating sleeve 2 with
The inner cavity of canister 1 is connected, and is equipped with conducting rod 3 in insulating sleeve 2, canister 1 there are two and be straight-tube shape, between two canisters 1
It is connected to, the drag link mechanism 6 that arc-chutes 5 are equipped in each canister 1 and are cut-off for controlling arc-chutes 5, is drawn by horizontal cylinder 4
Linkage 6 is located at the underface of arc-chutes 5, and conducting rod 3 stretches out insulating sleeve 2 along the vertical direction and connect with the upper end of arc-chutes 5,
It is connected between the lower end of two arc-chutes 5 by guide rod 7 and guide rod 7 is located in horizontal cylinder 4.Canister 1 is used to be filled with the hexafluoro of high pressure
Change sulphur gas, the insulating sleeve 2 that is connected at the top of canister 1 guarantees that enough creepage distances, conducting rod 3 are set in insulating sleeve 2 and are used for
Convey electric current.By setting up two canisters 1 straight separately and being connected to by horizontal cylinder 4, make the structure inside two canisters 1 in this way
It obtains the package of insulating gas and guarantees that the pressure environment of two sides is consistent, insulating gas pressure difference is avoided to cause arc-chutes 5
Cut-off it is inconsistent cause components damage, be furthermore respectively provided with arc-chutes 5 in each canister 1 and cut-off for controlling arc-chutes 5
Drag link mechanism 6, so that conducting rod 3 is stretched out insulating sleeve 2 and be connected with the upper end of arc-chutes 5, the lower ends of two arc-chutes 5, which passes through, crosses
The guide rod 7 of horizontal cylinder 4 connects, and there is independent drag link mechanism 6 in the underface of each arc-chutes 5, guarantees cut-offfing for drag link mechanism 6
Force direction avoids part distortion fatigue and causes the accident, furthermore entire drag link mechanism 6 along axial direction without generating torque in journey
It is all wrapped in the canister 1 full of insulating gas, guarantees that the movement of drag link mechanism 6 is to take place without inside canister 1 to close
Envelope has an impact, and the structure of can outer surface is static state in use, and is sealed by ring structure, can
Guarantee optimal sealing effect, so that the probability that circuit breaker internal insulating gas leaks be greatly reduced, improves this breaker
Safety.Further for, drag link mechanism 6 include insulated pull rod 61 and operating mechanism 62, the upper end of insulated pull rod 61 with go out
The lower end of arc chamber 5 connects, and the lower end of insulated pull rod 61 and operating mechanism 62 are sequentially connected, and the lateral wall of canister 1 is fixed with aviation
The inner end of plug 11, aviation plug 11 is electrically connected with operating mechanism 62.Drag link mechanism 6 includes insulated pull rod 61 and operating mechanism
62, the upper end of insulated pull rod 61 connect to drive arc-chutes 5 to cut-off by being axially moved with the lower end of arc-chutes 5, manipulates machine
Structure 62 connect to realize its axial movement with the lower end of insulated pull rod 61, and operating mechanism 62 is vortex electromagnetic repulsion mechanism, is passed through
Aviation plug 11 is plugged in the lateral wall of canister 1, is electrically connected the inner end of aviation plug 11 with operating mechanism 62, aviation plug 11
With good air-tightness, such external world can be powered to control operating mechanism 62 and realize arc-chutes 5 by aviation plug 11
It cut-offs, whole process will not have an impact the sealing of canister 1, be further ensured that the safety of this breaker.The lateral wall of canister 1
Equipped with the pressure gauge 13 for monitoring 1 internal gas pressure of canister and the inflation for being filled with sulfur hexafluoride gas in tank body
Valve 14, pressure gauge 13 find dangerous situation, 1 upper end of canister inside convenient for the pressure data in real time monitoring canister 1, convenient for operator
Wall is equipped with the mutual inductor 15 of annular, and for conducting rod 3 axially through the axle center of mutual inductor 15, the length dimension of insulating sleeve 2 is big
In the length dimension of canister 1.For that there must be enough creepage distances on the outside of super-pressure conveying insulating sleeve 2, insulation sleeve is set
The length dimension of cylinder 2 is greater than the length dimension of canister 1, in this way the 2 sufficiently high insulating properties in outside of guarantee insulating sleeve, reduces extraneous
Creepage phenomenon caused by attachment pollution, improves the safety of this breaker.
As shown in Figure 1, Figure 2, Figure 5, the top of insulating sleeve 2 is fixed with the top plate 21 of 2 upper end of sealed insulation sleeve, conductive
The upper end of bar 3 is connected with top plate 21, and the bottom of canister 1 is fixed with the bottom plate 12 of sealing 1 lower end of canister.By in insulating sleeve
Top plate 21 is arranged in 2 tops, and bottom plate 12, in this way the cavity tool of guarantee insulating sleeve 2 and the formation of canister 1 is arranged in the lower end of canister 1
There are enough leakproofness, guarantees the safety of this breaker.The lower section of each bottom plate 12 is equipped with a support frame 8, support frame 8
Top surface and bottom plate 12 are connected, and two support frames 8 are slidably connected along the extending direction of horizontal cylinder 4.It is logical between two canisters 1 being vertically arranged
Cross what horizontal cylinder 4 was connected to, in actual installation process, after two canisters 1 are respectively installed to the designated position of support frame 8, due to super
The characteristic requirements of high pressure can make the horizontal distance between two canisters 1 it is bigger can up-sizing tolerance the problem of, often two canisters 1 it
Between mounting distance and horizontal cylinder 4 actual size it is inconsistent, at this time by force installation will lead to circuit breaker internal stress interaction,
There are the hidden danger that junction is detached to be passed through in this way by the way that two support frames 8 being slidably connected along the extending direction of horizontal cylinder 4 are arranged
Support frame 8 slides the support effect that can be eliminated internal stress and ensure vertical stability, is further ensured that the safety of this breaker.
For further, opened up on each support frame 8 there are four waist-shaped hole 81, the extension side of the length direction of waist-shaped hole 81 and horizontal cylinder 4
To consistent, the outside of support frame 8 is equipped with connecting plate 82, and connecting plate 82 is separately connected two support frames 8 by bolt 83, and bolt 83 is inserted
In waist-shaped hole 81 and the inner sidewall of the opposite waist-shaped hole 81 of energy slides.By opened up on support frame 8 four extending directions with
The axial parallel waist-shaped hole 81 of horizontal cylinder 4 passes through connecting plate 82 using bolt 83 and realizes have to two support frames 8 with the cooperation of waist-shaped hole 81
Limit range is slidably connected, and the installation of horizontal cylinder 4 can be realized by adjusting 83 installation site of bolt, it is convenient to operate.
As in Figure 2-4, the periphery of insulated pull rod 61 is equipped with transmission arm 63, sliding block 64 and axially towards 61 water of insulated pull rod
The slide cartridge 65 of flat setting, sliding block 64 be slidably matched in slide cartridge 65, it is pre- against being provided between sliding block 64 and the bottom of slide cartridge 65
Tight spring 66, one end and the insulated pull rod 61 of transmission arm 63 are hinged, and the other end and the sliding block 64 of transmission arm 63 are hinged, when
When arc-chutes 5 are closed, the one end hinged with insulated pull rod 61 of transmission arm 63 tilts upwards, when arc-chutes 5 disconnect, transmission arm 63
Hinged one end tilts down with insulated pull rod 61.By be arranged transmission arm 63 both ends respectively with insulated pull rod 61 and sliding block 64
Hingedly, it is snug fit at sliding block 64 in horizontally disposed slide cartridge 65, slide cartridge 65 is axially towards insulated pull rod 61, furthermore in cunning
The spring 66 and sliding block 64 that the interior setting compression of cylinder 65 pre-tightens are against the hinge joint position of such sliding block 64 and transmission arm 63 is only in water
It square moves upwards, and insulated pull rod 61 and the interface point of transmission arm 63 only move in the vertical direction, before arc-chutes 5 are closed,
The one end hinged with insulated pull rod 61 of transmission arm 63 tilts down, and starts one end that insulated pull rod 61 when closure drives transmission arm 63
Upper movement, the inclination of transmission arm 63 gradually tend to be horizontal, and transmission arm 63 pushes sliding block 64 to slide into slide cartridge 65 and further at this time
Compressed spring 66 makes transmission arm 63 and when the hinged one end of insulated pull rod 61 starts to tilt upwards when continuing movement, spring 66 to
Outer release potential energy, insulated pull rod 61 is driven the thrust that arm 63 tilts upward at this time, to improve closing speed, and works as arc extinguishing
The thrust still continuous action of spring 66 after room 5 is closed, guarantees closure effect；Similarly, in 5 disconnection process of arc-chutes, spring 66
First energy storage accelerates moving down for insulated pull rod 61 by horizontal critical rear release potential energy in 63 tilt angle of transmission arm, and speed is cut-off in raising
Degree.There are four transmission arm 63, spring 66, slide cartridge 65 and sliding blocks 64 and is evenly arranged along the periphery of insulated pull rod 61.By exhausted
The outer periphery of edge pull rod 61 is arranged circumferentially several transmission arms 63, spring 66, slide cartridge 65 and sliding block 64, such insulated pull rod 61
The active force of suffered each transmission arm 63 can cancel out each other in the horizontal direction and increase axial thrust, to avoid insulated pull rod
61 are deformed fracture by unbalance loading, are guaranteed the safety of breaker and are improved the speed that arc-chutes 5 cut-off closure.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of super-pressure double-fracture potting breaker, including the canister (1) for being filled with insulating gas, the top of the canister (1)
Portion's sealing is fixed with insulating sleeve (2), and the inner cavity of the insulating sleeve (2) is connected with the inner cavity of the canister (1), the insulation
Conducting rod (3) are equipped in sleeve (2), which is characterized in that the canister (1) there are two and be straight-tube shape, two canisters (1) it
Between be connected to by horizontal cylinder (4), be equipped with arc-chutes (5) in each canister (1) and cut-off for controlling the arc-chutes (5)
Drag link mechanism (6), the drag link mechanism (6) are located at the underface of arc-chutes (5), and the conducting rod (3) is stretched along the vertical direction
Insulating sleeve (2) is connect with the upper end of arc-chutes (5) out, is connected and is led by guide rod (7) between the lower end of two arc-chutes (5)
Bar (7) is located in the horizontal cylinder (4).
2. super-pressure double-fracture potting breaker according to claim 1, which is characterized in that drag link mechanism (6) packet
Insulated pull rod (61) and operating mechanism (62) are included, the upper end of the insulated pull rod (61) is connect with the lower end of the arc-chutes (5),
The lower end and the operating mechanism (62) of the insulated pull rod (61) are sequentially connected, and the lateral wall of the canister (1) is fixed with aviation
The inner end of plug (11), the aviation plug (11) is electrically connected with the operating mechanism (62).
3. super-pressure double-fracture potting breaker according to claim 1 or 2, which is characterized in that the insulating sleeve (2)
Top be fixed with the top plate (21) for sealing insulating sleeve (2) upper end, the upper end of the conducting rod (3) and the top plate (21)
It is connected, the bottom of the canister (1) is fixed with the bottom plate (12) for sealing canister (1) lower end.
4. super-pressure double-fracture potting breaker according to claim 3, which is characterized in that each bottom plate (12)
Lower section is equipped with support frame (8), and the top surface and the bottom plate (12) of support frame as described above (8) are connected, and two support frames as described above (8) are along described
The extending direction of horizontal cylinder (4) is slidably connected.
5. super-pressure double-fracture potting breaker according to claim 4, which is characterized in that support frame as described above is opened on (8)
Equipped with several waist-shaped holes (81), the length direction of the waist-shaped hole (81) is consistent with the extending direction of the horizontal cylinder (4), the branch
The outside of support (8) is equipped with connecting plate (82), and the connecting plate (82) is separately connected two support frames (8), institute by bolt (83)
Bolt (83) is stated to be inserted in the waist-shaped hole (81) and can slide with respect to the inner sidewall of waist-shaped hole (81).
6. super-pressure double-fracture potting breaker according to claim 1 or 2, which is characterized in that the insulating sleeve (2)
Length dimension be greater than the canister (1) length dimension.
7. super-pressure double-fracture potting breaker according to claim 2, which is characterized in that the insulated pull rod (61)
Periphery is equipped with transmission arm (63), sliding block (64) and axially towards insulated pull rod (61) horizontally disposed slide cartridge (65), the sliding block
(64) it is snug fit in the slide cartridge (65), against being provided with preload between the sliding block (64) and the bottom of slide cartridge (65)
Spring (66), one end and the insulated pull rod (61) of the transmission arm (63) are hinged, the other end of the transmission arm (63) with
The sliding block (64) is hinged, when the arc-chutes (5) closure, the transmission arm (63) and insulated pull rod (61) it is hinged one
End inclination upwards, when the arc-chutes (5) disconnect, the transmission arm (63) one end hinged with insulated pull rod (61) dips down
Tiltedly.
8. super-pressure double-fracture potting breaker according to claim 7, which is characterized in that the transmission arm (63), bullet
Spring (66), slide cartridge (65) and sliding block (64) have several and are evenly arranged along the periphery of the insulated pull rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997790.3A CN108878212B (en) | 2018-08-29 | 2018-08-29 | Tank-type breaker with ultrahigh voltage and double fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997790.3A CN108878212B (en) | 2018-08-29 | 2018-08-29 | Tank-type breaker with ultrahigh voltage and double fracture |
Publications (2)
| Publication Number | Publication Date |
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| CN108878212A true CN108878212A (en) | 2018-11-23 |
| CN108878212B CN108878212B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810997790.3A Active CN108878212B (en) | 2018-08-29 | 2018-08-29 | Tank-type breaker with ultrahigh voltage and double fracture |
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| CN (1) | CN108878212B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435889A (en) * | 2020-12-01 | 2021-03-02 | 郑州大学 | High-voltage integrated static and dynamic self-voltage-sharing vacuum arc extinguish chamber |
| CN113745042A (en) * | 2021-09-07 | 2021-12-03 | 南京南瑞继保电气有限公司 | Multi-fracture tank type high-voltage quick circuit breaker |
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|---|---|
| CN108878212B (en) | 2024-03-15 |
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