CN207319990U - A kind of high voltage load switch - Google Patents

Abstract

The utility model provides a kind of high voltage load switch, including operating mechanism and electric mechanism, electric mechanism includes insulating boot, switch spindle is equipped with insulating boot, one end of main shaft passes through rotating assembly attended operation mechanism, the other end is installed in rotation on insulating boot, being provided with main shaft can be with the double collet moving contact of main axis, insulating boot is equipped with insulated column, insulated column interior sealing pours into a mould conductive rod, conductive rod is equipped with towards this one end inside insulating boot can coordinate with double collet moving contact so as to establish the static contact being electrically connected, the grounding static contact that can coordinate with double collet moving contact is additionally provided with the inner surface of insulating boot, grounding static contact connects earthing rod.The utility model can efficiently use fault current to improve contact pressure, there is preferable electric power compensation effect, improve the anti-loading ability of switch；Seal cavity is formed using the insulating boot all sealed outside the utility model, sealed insulation performance is good, can effectively carry out electric arc extinguishing processing, have a safety feature.

Description

A kind of high voltage load switch

Technical field

The utility model belongs to electric switch technical field, more particularly to a kind of three station inflatable high voltage load switches.

Background technology

On-load switch is that one kind can be under the conditions of normal circuit（Or under the conditions of defined overlond running）Close, hold Carry with turn-off current and under defined abnormal circuit（Such as short circuit）Current-carrying switching device, load are held by the defined time The cooperation of switch and limiting fuse can substitute breaker use.Current high voltage load switch goes out in insulated enclosure and intracavitary Performance in terms of arc is not good enough.

The content of the invention

Technical problem to be solved in the utility model is to provide a kind of high voltage load switch, insulation performance number, security Can be good, effective electrically arc extinguishing processing can be carried out.

The utility model technical scheme applied to solve the technical problem is：A kind of high voltage load switch, including operation machine Structure and electric mechanism, electric mechanism include insulating boot, are equipped with switch spindle in insulating boot, one end of main shaft is connected by rotating assembly Operating mechanism is connect, the other end is installed in rotation on insulating boot, and being provided with main shaft can move with the double collet of main axis Contact, insulating boot are equipped with insulated column, insulated column interior sealing cast conductive rod, and conductive rod is set towards this one end inside insulating boot Having can coordinate so as to establishing the static contact being electrically connected with double collet moving contact, be additionally provided with the inner surface of insulating boot can with it is double The grounding static contact that collet moving contact coordinates, grounding static contact connection earthing rod.

Further, the end of static contact is equipped with the magnetic devices that can carry out electric arc extinguishing.

Further, insulating boot includes upper insulating boot and lower insulating boot, is set in the mating surface of upper insulating boot and lower insulating boot There is the sealing groove mouth being adapted with its outline shape, total sealing ring is set in sealing groove mouth, upper insulating boot and lower insulating boot pass through The fastening bolt arranged along its gabarit edge is sealed connected together the annular seal space to form high voltage load switch.

Further, the drying device box for being used for placing drying material is equipped with annular seal space.

Further, a pair of of mounting disc is equipped with main shaft at spacing intervals, the inner wall of lower insulating boot is in corresponding mounting disc Position be equipped with circular arc notch support positioning plates, the main shaft in a pair of of mounting disc is erected in the support positioning plates, mounting disc Play the role of gripping positioned at the both sides of the support positioning plates respectively, the inner wall of upper insulating boot is supported equipped with main shaft orientation Plate, main shaft orientation support plate are corresponded with circular arc notch support positioning plates, and the insertion of main shaft orientation support plate is fixed on a pair of of peace Between sabot.

Further, a set of double collet moving contact, the installation of double collet moving contact are installed on the main shaft between adjacent mounting disc In square cavity in main shaft, double collet moving contact includes the two panels moving contact plate being arranged symmetrically, and two panels moving contact plate passes through Exocoel fixed plate is installed together, and compression spring is equipped between moving contact plate and exocoel fixed plate, and the both ends of moving contact plate are stretched out Outside the exocoel that exocoel fixed plate is formed, upper moving contact and lower moving contact are formed respectively, upper moving contact and lower moving contact Inner side is equipped with clamping projection.

Further, moving contact plate is equipped with the installation position of compression spring, and compression spring is installed on moving contact plate and exocoel Between fixed plate, make to fit closely together in the middle part of two panels moving contact plate by the pressure of contact exocoel fixed plate.

Further, main shaft is equipped with main shaft blade in the both sides of upper moving contact, and main shaft is equipped with the both sides of lower moving contact Lower blade.

Further, in the same plane, the blade area of blade is more than blade under main shaft under main shaft blade and main shaft The blade area of main shaft blade, the fixation that main shaft inferior lobe on piece is additionally provided with perpendicular to blade surface are stupefied.

Further, operating mechanism is by input shaft connection rotating shaft component, and by rotating assembly main shaft can be driven to turn Dynamic, rotating assembly is equipped with Simmer ring.

The operating mechanism of the utility model is three position mechanism, which includes rack, and rack is equipped with isolation transmission dress Put, isolate output device, ground connection transmission device, ground connection output device, energy storage device and Sub-gate release device, isolation output dress Put and be grounded the main shaft that output device is switched by the shaft connected load that is carried in rotating assembly 3, Sub-gate release device with every Link from transmission device, one end of isolation transmission device connection energy storage device can simultaneously rotate so as to drive storage under external force drive Energy device carries out energy storage, and after energy storage device turns over maximum energy storage position, release energy storage drives isolation transmission device to be rotated further, Isolation output device is driven to rotate output combined floodgate moment of torsion, Sub-gate release device rotates therewith simultaneously energy storage at this time, is released by external force After the energy storage state of Sub-gate release device, Sub-gate release device can drive isolation output device to invert by isolating transmission device Realize isolated operation, the other end of ground connection transmission device connection energy storage device can simultaneously rotate so as to drive storage under external force drive Energy device carries out energy storage, and after energy storage device turns over maximum energy storage position, release energy storage drives ground connection transmission device to be rotated further, Ground connection transmission device, which can drive, at this time is grounded output device rotation output ground connection moment of torsion, when isolating transmission device rotation, connects Ground transmission device is in ground connection initial state, and when being grounded transmission device rotation, isolation transmission device is in combined floodgate initial state.

Isolating transmission device includes isolation transmission shaft, and the both ends for isolating transmission shaft are installed in rotation in rack, are isolated The output terminal connection isolation output device of transmission device, isolation transmission shaft are equipped with the isolation transmission crank arm that can be rotated therewith, Isolation transmission crank arm links with energy storage device and when isolating transmission shaft and rotating energy storage device can be driven to carry out energy storage, in energy storage Device drives isolation output device to rotate when discharging energy storage, the free end for isolating transmission crank arm is equipped with isolation trundle；Isolate defeated Go out device include be installed on isolation transmission shaft output terminal simultaneously can around isolation transmission shaft rotate isolation output toggle arm and with Isolate the isolation linkage connecting lever of output toggle arm linkage, the outside of isolation linkage connecting lever, which is equipped with, can accommodate isolation trundle wherein The isolation driving groove of slip, isolating the both ends of driving groove has with isolating the matched spacing arc of isolation of trundle.

When on-load switch is in isolation, isolation trundle works as isolation positioned at the isolation initiating terminal of isolation driving groove When transmission device turns to energy storage device in maximum energy storage position, isolation startup of the isolation trundle positioned at isolation driving groove End, when energy storage device discharges energy storage and drives isolation transmission device to be rotated further, isolation trundle is by isolating start end Isolating spacing arc drives isolation linkage connecting lever to rotate, so as to drive isolation output toggle arm to rotate output combined floodgate moment of torsion.

Sub-gate release device includes tripping mechanism plate, dropout tension spring, trip shaft, the spacing connecting lever of dropout and dropout linkage and turns Arm, trip shaft are installed in rotation in rack by tripping mechanism plate, and thread off spacing connecting lever and the linkage connecting lever fixation company that threads off It is connected together and is installed in rotation on isolation transmission shaft, threads off to be equipped between spacing connecting lever and dropout linkage connecting lever and thread off Pin, one end of dropout tension spring are rotationally articulated on release pin, and the other end is installed in rotation on mechanism plate by pin, Linkage connecting lever of threading off can carry out energy storage with isolating transmission device linkage or drive linkage drive units anti-when energy storage discharges Turn, Sub-gate release device further includes the dropout energy storage holding meanss of dropout energy storage state, and dropout energy storage holding meanss act on de- Detain spacing connecting lever and dropout tension spring is maintained at energy storage state.

Thread off linkage connecting lever be with the interaction relation for isolating transmission device：Linkage connecting lever of threading off is equipped with isolating trundle Matched spacing arc of threading off, when rotation drives energy storage device to carry out energy storage under isolating transmission shaft and being driven in external force, isolation is driven The spacing arc of pin contact dropout simultaneously drives dropout linkage connecting lever and the spacing connecting lever of dropout to rotate by spacing arc of threading off, so as to stretch de- Button tension spring carries out dropout energy storage, and when dropout energy storage state releases, the release energy storage of dropout tension spring drives linkage connecting lever revolution of threading off, Spacing arc of threading off at this time drives isolation transmission shaft to invert by isolating trundle.

Dropout energy storage holding meanss include being arranged in the semiaxis notch and set coordinated in trip shaft with spacing connecting lever of threading off The reduction torsion spring being located in trip shaft, one end of reduction torsion spring are hung in trip shaft, and the other end is fixed on tripping mechanism plate, when Linkage connecting lever and the spacing connecting lever of dropout thread off when being rotated under isolating trundle and driving, the outer end for spacing connecting lever of threading off passes through semiaxis Notch stirs trip shaft and rotates, and after spacing connecting lever of threading off, which is turned to, departs from interference with trip shaft, trip shaft is resetting torsion Resetted under the action of spring, the circular arc at its semiaxis notch back will thread off the spacing extended state in dropout tension spring of spacing connecting lever, real Existing energy storage is kept.

Sub-gate release device further includes the dropout tripper being unlocked to dropout energy storage state, dropout tripper bag The dropout connecting plate for including dropout plate and dropout plate being promoted to rotate, dropout plate are installed in trip shaft and trip shaft can be driven to turn Dynamic, dropout connecting plate is hung in rack and can moved within the specific limits so as to contact or unclamps dropout plate, when dropout connecting plate During contact dropout plate, dropout strip moves trip shaft rotation, and the spacing connecting lever of release dropout, realizes unlock of threading off.

Being grounded transmission device includes ground connection transmission shaft, and the both ends for being grounded transmission shaft are installed in rotation in rack, are grounded The output terminal connection ground connection output device of transmission device, ground connection transmission shaft are equipped with the ground connection transmission crank arm that can be rotated therewith, connect Ground transmission crank arm links with energy storage device and when being grounded transmission shaft and rotating energy storage device can be driven to carry out energy storage, is filled in energy storage Ground connection output device is driven to rotate when putting release energy storage, the free end for being grounded transmission crank arm is equipped with ground connection trundle.

Being grounded output device simultaneously can be around the ground connection that ground connection transmission shaft rotates including being installed on the output terminal of ground connection transmission shaft Output toggle arm and the ground connection linkage connecting lever with ground connection output toggle arm linkage, the turning end of ground connection linkage connecting lever are equipped with and can accommodate The ground connection driving groove that ground connection trundle slides wherein, being grounded the both ends of driving groove, there is the ground connection coordinated with ground connection trundle to limit Position arc.

Energy storage device includes energy storage compression spring, and the both ends of energy storage compression spring are equipped with pressure spring head, and pressure spring head is rotatably coupled respectively On isolation transmission device and ground connection transmission device, be equipped with telescopic rod between pressure spring head, telescopic rod can with compression spring by compression and Shrink.

The three position mechanism further includes isolation transmission device and is grounded the mutual interlocking gear of transmission device, which includes Hanging plate is interlocked, interlocking hanging plate is hung in rack by kidney slot, interlocks the both ends of hanging plate respectively by notched interlocking hole The input terminal of the isolation transmission shaft for being hung on isolation transmission device and the ground connection transmission shaft for being grounded transmission device, isolates transmission shaft The notch to match with the notch in interlocking hole is respectively equipped with the input terminal of ground connection transmission shaft；Interlocking hanging plate with isolate transmission shaft and Being grounded the interlocked relationship of transmission shaft is：When isolating transmission device and ground connection transmission device is in isolation, isolation transmission Axis and the notch in the notch direction interlocking hole of ground connection transmission shaft, interlocking hanging plate, which is in, at this time loosens state, when isolation is driven dress When putting and be grounded one of them of transmission device and turning to combined floodgate or earthing position, the arc surface of its input terminal jacks up corresponding The notch of lockhole so that the notch of another device is limited with the notch fitting in corresponding interlocking hole, so as to fulfill only existing When two devices are all in isolation, the operation that could be closed a floodgate or be grounded.

The beneficial effects of the utility model are：The utility model is provided with the main shaft of high voltage load switch to be turned therewith Dynamic three-stations load switch, on-load switch use double collet moving contact structure, in the seal cavity that can be formed with insulating boot Three pairs of static contacts of arrangement realize the three of the connection of switch, isolation and ground connection working statuses, double fastener in different angle cooperation Head moving contact is equipped with upper and lower moving contact plate, is equipped with clamping projection on the inside of upper and lower moving contact plate, is set on the outside of upper and lower moving contact plate Many places compression spring is equipped with to ensure the contact between double collet moving contact and static contact, fault current can be efficiently used To improve contact pressure, there is preferable electric power compensation effect, improve the anti-loading ability of switch；The main shaft of the utility model Outer to form seal cavity using the insulating boot all sealed, sealed insulation performance is good, and chamber is filled with the SF6 of excellent electrical properties Arc-extinguishing medium of the gas as the electric loop divide-shut brake in switch cavity body, blade up and down is provided with main shaft, auxiliary as arc extinguishing Device is helped, the SF6 gas auxiliary extinction of arc in cavity is driven by the rotation of blade, in addition, the end of incoming cables set on upper insulating boot Static contact lower part be equipped with magnetic blowout device, can effectively carry out electric arc extinguishing processing, have a safety feature.Also, this practicality is new Weakness zone at 1-2 is set at the lower insulating boot rear portion insulation outer wall of type, when destructive arcing effect occurs for switch internal, quilt Gas-pressurized can break through weakness zone and is oriented to the arc door of letting out at switchgear rear portion outside cabinet, prevent from further destroying electrical equipment. In addition, the utility model is grasped by the energy storage device of a Single spring structure to be embodied as the isolated operation of on-load switch and ground connection Offer power is provided, by another Single spring structure, separating brake energy storage is carried out when carrying out closing operation, the energy storage of unlock separating brake is realized Interlocking can also be realized to the operating process of separating brake, isolated operation device and ground connection operation device, it is ensured that three station machines by closing a floodgate Structure only can be closed a floodgate or be grounded operation in isolation, prevent ground connection or the behaviour to close a floodgate in ground connection when closing a floodgate Make.

Brief description of the drawings

Fig. 1 is the explosive view of the on-load switch of the utility model.

Fig. 2 is the phantom of the on-load switch of the utility model, shows the internal structure of switch.

Fig. 3 is the schematic diagram of lower insulating boot.

Fig. 4 is the schematic diagram of upper insulating boot.

Fig. 5 is the schematic diagram of main shaft.

Fig. 6 is the structure chart of double collet moving contact.

Fig. 7 is the schematic diagram that double collet moving contact conceals exocoel fixed plate.

Fig. 8 is the explosive view of the operating mechanism of the utility model.

Fig. 9 is the axonometric drawing of the operating mechanism of the utility model.

Figure 10 is the schematic diagram that the separating brake of the operating mechanism of the utility model is threaded off.

Figure 11 is the schematic diagram of the interlock of the operating mechanism of the utility model.

Figure 12 is the enlarged drawing for isolating transmission device.

Figure 13 is the enlarged drawing for being grounded transmission device.

Figure 14 is trip shaft and the cooperation enlarged drawing for spacing connecting lever of threading off.

Figure label：1- main shafts, 2- operating mechanisms, 3- rotating assemblies, 4- double collet moving contacts, 5- bearing blocks, 6- are upper exhausted Edge cover, insulating boot under 7-, 8- sealing groove mouths, the total sealing rings of 9-, 10- fastening bolts, 11- rotating assemblies hole, 12- mounting discs, 13- Circular arc notch support positioning plates, 14- circular arc notches, 15- main shaft orientation support plates, 16- main shaft blades, blade under 17- main shafts, 18- fixes stupefied, the upper insulated columns of 19-, the upper conductive rods of 20-, 21- combined floodgate upper static contacts, 22- grounding static contacts, stationary contact under 23- closes a floodgate Head, 24- drying device boxes, 25- moving contact plates, 26- exocoel fixed plates, 27- compression springs, 28- clamping projections, 29- sealings Enclose, 30- mounting holes, 31- limiting components, 32- limiting slots, 33- air pressure density meters, 34- earthing rods, insulated column under 35-, under 36- Conductive rod, the first mechanisms of 101- plate, the second mechanisms of 102- plate, 103- pillars, 104- isolation transmission shafts, 105- isolation transmissions are turned Arm, 106- isolation trundles, 107- isolation output toggle arms, 108- isolation linkage connecting levers, 109- isolation driving grooves, 110- isolation limits Position arc, 111- isolation initiating terminals, 112- isolation start ends, 113- ground connection transmission shafts, 114- ground connection transmission crank arms, 115- ground connection pass Dynamic pin, 116- ground connection output toggle arms, 117- ground connection linkage connecting levers, 118- ground connection driving grooves, 119- are grounded spacing arc, 120- ground connection Initiating terminal, 121- ground starts end, 122- energy storage compression springs, 123- pressure spring heads, 125- telescopic rods, 126- interlocking hanging plates, 127- waists Shape hole, 128- banking pins, 129- interlockings hole, 130- notch, 131- tripping mechanism plates, 132- dropout tension springs, 133- trip shafts, The spacing connecting lever of 134- dropouts, 135- dropout linkage connecting levers, 136- release pins, the spacing arc of 137- dropouts, 138- semiaxis notch, 139- Reduction torsion spring, 140- dropout plates, 141- connecting plates.

Embodiment

The specific embodiment of the utility model is described in further details below in conjunction with attached drawing.

A kind of high voltage load switch, including operating mechanism 2 and electric mechanism, operating mechanism 2 include manual energy storage divide-shut brake Device and electric energy-stored switching off/on device, manual energy storage switching off/on device and electric energy-stored switching off/on device pass through spring energy-storage Form provide rotational power for main shaft 1, operating mechanism can pass through rotating assembly 3 by input shaft connection rotating shaft component 3 Main axis is driven, rotating assembly 3 is equipped with Simmer ring 29, and electric mechanism includes insulating boot, and it is close that insulating boot is equipped with air pressure Spend table 33.

Insulating boot includes upper insulating boot 6 and lower insulating boot 7, and the mating surface of upper insulating boot 6 and lower insulating boot 7 is equipped with and it The sealing groove mouth 8 that outline shape is adapted, sealing groove mouth 8 is interior to set total sealing ring 9, and upper insulating boot 6 and lower insulating boot 7 pass through edge The fastening bolt 10 of its gabarit edge arrangement is sealed connected together the annular seal space to form high voltage load switch, the sealing of insulating boot Intracavitary is equipped with switch spindle 1, and one end of main shaft 1 can be turned by 3 attended operation mechanism 2 of rotating assembly, the other end by bearing block 5 It is installed on dynamicly on insulating boot, the side of lower insulating boot 7 is equipped with embedding with the matched rotating assembly hole 11 of rotating assembly 3, bearing holder (housing, cover) 5 In the corresponding recesses set on lower insulating boot 7, the axial restraint main shaft 1 together with rotating assembly 3, is provided with energy on main shaft 1 Enough double collet moving contacts 4 rotated with main shaft 1.

A pair of of mounting disc 12 is equipped with main shaft 1 at spacing intervals, a set of double fastener is set on the main shaft 1 between mounting disc 12 Head moving contact 4, one shares three sets of double collet moving contacts 4 on three-station, and the inner wall of lower insulating boot 7 is in corresponding mounting disc 12 Position is equipped with circular arc notch support positioning plates 13, and the main shaft in a pair of of mounting disc 12 is erected at the arc groove of the support positioning plates On mouthfuls 14, mounting disc 12 grips work positioned at what the both sides of the support positioning plates 13 played that limitation main shaft 1 radially wobbles respectively With the inner wall of upper insulating boot 6 is equipped with main shaft orientation support plate 15, main shaft orientation support plate 15 and circular arc notch support positioning plates 13 Correspond, main shaft orientation support plate 15, which is also inserted into, to be fixed between a pair of of mounting disc 12.When switch single produces electric arc, circle Arc notch support positioning plates 13 and main shaft orientation support plate 15 can play the role of certain arc, by caused by the single-phase switch Electric arc comes with other phase switch isolations, prevents electric arc from further elongating destruction other equipment.

Main shaft 1 is respectively equipped with blade 17 under main shaft blade 16 and main shaft in the both sides of double collet moving contact 4, leaf on main shaft In the same plane, the blade area of blade 17 is more than the blade face of main shaft blade 16 to blade 17 under main shaft under piece 16 and main shaft It is long-pending, it is additionally provided with main shaft on blade 17 perpendicular to the fixation of blade surface stupefied 18, when the shaft rotates, main shaft blade 16 and master Blade 17 can play the role of auxiliary extinction of arc under axis.

Upper insulating boot 6 is equipped with upper insulated column 19, and upper 19 interior sealing of insulated column pours into a mould upper conductive rod 20, upper conductive rod 20 Lower end, which is equipped with, can coordinate with double collet moving contact 4 so as to establish the combined floodgate upper static contact 21 being electrically connected, combined floodgate upper static contact 21 End be equipped with and can carry out the magnetic devices of electric arc extinguishing, being additionally provided with the inner wall of insulating boot can be with double collet moving contact 4 The grounding static contact 22 and combined floodgate lower static contact 23 of cooperation, grounding static contact 22 are grounded by earthing rod 34, and double collet moves tactile First 4 with main shaft 1 during rotating, and respectively at combined floodgate upper static contact 21, grounding static contact 22 and is closed in different angles Lock lower static contact 23 coordinates, and realizes combined floodgate, ground connection and the state of isolation of switch respectively.

The drying device box 24 for being used for placing drying material is equipped with the annular seal space of insulating boot, is placed in drying device box 24 Drier, for absorbing the moisture that may contain in gases at high pressure in annular seal space, it is ensured that be in drying regime in annular seal space.

A set of double collet moving contact is installed on the main shaft between adjacent mounting disc（Every suit double collet moving contact corresponds to one The switch of phase）, for double collet moving contact 4 in the square cavity in main shaft 1, double collet moving contact 4 includes what is be arranged symmetrically Two panels moving contact plate 25, two panels moving contact plate 25 are installed together by exocoel fixed plate 26, and moving contact plate 25 is fixed with exocoel The compression spring 27 of multiple equidirectional arrangements is equipped between plate 26, moving contact plate 25 is equipped with the installation position of compression spring 27, peace Dress position can be mounting hole 30 or mounting post, and compression spring 27 is installed between moving contact plate 25 and exocoel fixed plate 26, is led to Crossing the pressure of contact exocoel fixed plate 26 makes the middle part of two panels moving contact plate 25 fit closely together, passes through compression spring 27 Pressure ensures the contact of double collet moving contact and static contact, can efficiently use fault current and improve contact pressure, have Preferable electric power compensation effect, improves anti-loading ability, the both sides of moving contact plate 25 are equipped with limiting component 31, and exocoel is fixed Plate 26 is equipped with limiting slot 32, and when double collet moving contact 4 fits together, the limiting slot 32 of exocoel fixed plate 26 is set in two On the limiting component 31 of piece moving contact plate 25.

The both ends of moving contact plate 25 are stretched out in outside the square exocoel that exocoel fixed plate 26 is formed, and are formed to move respectively and touched Head and lower moving contact, clamping projection 28 is equipped with the inside of upper moving contact and lower moving contact, and clamping projection 28 may insure dynamic touch Head can form reliable be electrically connected when turning to the position coordinated with static contact with static contact.

The operating mechanism of the utility model is three position mechanism, and on-load switch is operated by three position mechanism, Rack is equipped with isolation transmission device, isolation output device, ground connection transmission device, ground connection output device, energy storage device and divides Lock trip gear, isolation output device and ground connection output device are switched by the shaft connected load carried in rotating assembly 3 Main shaft, for Sub-gate release device with isolating transmission device linkage, one end of isolation transmission device connection energy storage device simultaneously can be outside Power drives lower rotation after energy storage device turns over maximum energy storage position, to discharge energy storage band so as to drive energy storage device to carry out energy storage Dynamic isolation transmission device is rotated further, and drives isolation output device to rotate output combined floodgate moment of torsion, and Sub-gate release device is therewith at this time Simultaneously energy storage is rotated, after the energy storage state that Sub-gate release device is released by external force, Sub-gate release device, which can pass through to isolate, to be driven Device drives isolation output device reversion to realize isolated operation, and the other end of ground connection transmission device connection energy storage device simultaneously can be External force drives lower rotation after energy storage device turns over maximum energy storage position, to discharge energy storage so as to drive energy storage device to carry out energy storage Ground connection transmission device is driven to be rotated further, being grounded transmission device at this time can drive ground connection output device rotation output ground connection to turn round Square.Due to the operation that only when on-load switch is in isolation, can be closed a floodgate or be grounded respectively, therefore, when When isolating transmission device rotation, ground connection transmission device is in ground connection initial state, when being grounded transmission device rotation, isolation transmission Device is in combined floodgate initial state.

As shown in Fig. 2, rack includes second positioned at the first mechanism plate 101 of operation output terminal and positioned at operation input end Mechanism plate 102, the outside arrangement on-load switch of the first mechanism plate 101, the first mechanism plate 101 and the second mechanism plate 102 pass through branch Column 103 is fixedly installed togather, and under normal circumstances, the first mechanism plate 101 and the second mechanism plate 102 are arranged in parallel.

As shown in Figs. 1-2, isolating transmission device includes isolation transmission shaft 104, isolates the input terminal of transmission shaft 104 by turning Dynamic bearing is installed in rotation on the second mechanism plate 102, its output terminal is installed in rotation on the first machine by rolling bearing On structure plate 101, the input terminal of isolation transmission shaft 104 stretches out in the outside of the second mechanism plate 102, and isolation transmission shaft 104 is equipped with energy The isolation transmission crank arm 105 enough rotated therewith, the free end of isolation transmission crank arm 105 are equipped with isolation trundle 106.

As shown in figure 5, the output terminal that isolation output device includes being installed on isolation transmission shaft 104 can be simultaneously driven around isolation The isolation output toggle arm 107 that axis 104 rotates and the isolation linkage connecting lever 108 with isolating the linkage of output toggle arm 107, isolation linkage The outside of connecting lever 108, which is equipped with, can accommodate the isolation driving groove 109 that isolation trundle 106 slides wherein, isolate driving groove 109 Both ends have and isolate that trundle 106 is matched to isolate spacing arc 110.

When on-load switch is in isolation, isolation initiating terminal of the isolation trundle 106 positioned at isolation driving groove 109 111, when isolation transmission device, which turns to energy storage device, is in maximum energy storage position, isolation trundle 106, which is located to isolate, to be driven The isolation start end 112 of groove 109, when energy storage device discharges energy storage and drives isolation transmission device to be rotated further, isolation transmission The spacing arc 110 of isolation of the pin 106 by isolating start end 112 drives isolation linkage connecting lever to rotate, so as to drive isolation output to turn Arm rotates output combined floodgate moment of torsion.

As shown in figure 8, when on-load switch is in isolation, isolation trundle 106 positioned at isolation driving groove 109 every At initiating terminal 111, when being rotated under isolating transmission shaft 104 and being driven in external force, isolation transmission crank arm 105 drives isolation trundle 106 rotate therewith, while isolate transmission device and drive energy storage device to carry out energy storage, and trundle 106 is isolated during this along isolation Driving groove 109 slides, and isolation linkage connecting lever 108 will not be caused to interfere, energy storage device is reached maximum energy storage position when turning to When putting, isolate trundle 106 at this time at the isolation start end 112 of isolation driving groove 109, remove external force, mechanism meeting at this time It is rotated further under effect of inertia so that when energy storage device turns over maximum energy storage position,（Or it is unfavorable use inertia, as long as in external force Energy storage release can be achieved in the lower maximum energy storage position that can slightly turn over energy storage device of effect）, so that discharge energy storage and drive every It is rotated further from transmission shaft 104, during this is rotated further, 106 contact of isolation trundle lives to isolate linkage connecting lever 108 Isolation start end 112, and the spacing arc 110 of isolation by isolating start end 112 drives isolation linkage connecting lever 108 to rotate, from And drive isolation output toggle arm 107 to rotate to on-load switch and export combined floodgate moment of torsion.

When isolating transmission device progress closing operation, ground connection transmission device is in isolation.

The utility model is equipped with Sub-gate release device, the effect of Sub-gate release device on the basis of transmission device is isolated It is to carry out energy storage when isolating transmission device and closing a floodgate, it is anti-which is used directly for isolation transmission device progress in release Turn so as to fulfill isolation（Separating brake）Operation.

Sub-gate release device includes tripping mechanism plate 131, dropout tension spring 132, trip shaft 133, spacing 134 and of connecting lever of dropout Dropout linkage connecting lever 135, trip shaft 133 are installed in rotation on the second mechanism plate 102 by tripping mechanism plate 131, threaded off Spacing connecting lever 134 and linkage connecting lever 135 of threading off are fixed together and are installed in rotation on isolation transmission shaft 104, take off Detain spacing connecting lever 134 and be equipped with release pin 136 between linkage connecting lever 135 of threading off, one end of dropout tension spring 132 rotationally mounts On release pin 136, the other end is installed in rotation on the second mechanism plate 102 by pin, and threading off linkage connecting lever 135 can Energy storage or the drive linkage drive units reversion when energy storage discharges are carried out with isolating transmission device linkage, Sub-gate release device is also Dropout energy storage holding meanss including dropout energy storage state, dropout energy storage holding meanss act on the spacing connecting lever 134 of dropout and make Dropout tension spring is maintained at energy storage state.

As shown in figure 3, linkage connecting lever 135 of threading off is with the interaction relation for isolating transmission device：Thread off on linkage connecting lever 135 Equipped with isolating the matched spacing arc 137 of threading off of trundle 106, storage is driven when isolation transmission shaft 104 rotates under external force drive When energy device carries out energy storage, 106 contact of isolation trundle threads off spacing arc 137 simultaneously by the spacing drive of arc 137 dropout connection of threading off Dynamic connecting lever 135 and spacing connecting lever 134 of threading off rotate, so that stretching dropout tension spring 132 carries out dropout energy storage, when dropout energy storage state During releasing, dropout tension spring 132 discharges energy storage and drives linkage connecting lever 135 of threading off to turn round, and spacing arc 137 of threading off at this time is passed by isolating Dynamic pin 106 drives isolation transmission shaft 104 to invert, and realizes isolation（Separating brake）Operation.

After dropout tension spring 132 is stretched, in the case of no external force effect, energy storage state can be maintained at, this function Realized by dropout energy storage holding meanss, as shown in fig. 7, dropout energy storage holding meanss include being arranged in trip shaft 133 The semiaxis notch 138 of the upper outer end cooperation with spacing connecting lever 134 of threading off and the reduction torsion spring 139 being set in trip shaft 133, One end of reduction torsion spring 139 is hung in trip shaft 133, and the other end is fixed on tripping mechanism plate 131, when the connecting lever that links of threading off 135 and spacing connecting lever 134 is threaded off when being rotated under isolating trundle 106 and driving, the outer end for spacing connecting lever 134 of threading off is streaked just At semiaxis notch 138, in rotation process, the outer end for spacing connecting lever 134 of threading off keeps connecing with the section of semiaxis notch all the time Touch, rotate so as to stir trip shaft 133 by semiaxis notch 138, spacing connecting lever 134 turns to and semiaxis notch when threading off After 138 depart from interference, trip shaft 133 resets under the action of reduction torsion spring 139, and the circular arc at its 138 back of semiaxis notch will be de- The spacing spacing extended state in dropout tension spring 132 of connecting lever 134 is detained, realizes that energy storage is kept.

The energy storage state of dropout tension spring 132 can be unlocked by external force effect, this function can be unlocked by threading off Device realizes that the dropout connecting plate 141 that dropout tripper includes dropout plate 140 and dropout plate 140 can be promoted to rotate, threads off Plate 140 is installed in trip shaft 133 and trip shaft 133 can be driven to rotate, and dropout connecting plate 141 is hung on the second mechanism plate 102 It is upper and can move within the specific limits, mobile mode for example, as shown in figure 4, dropout connecting plate 141 is equipped with kidney slot, this Kidney slot is hung on the second mechanism plate 102 by pin, and when dropout connecting plate 141 is jacked up, the upper end jacks up dropout plate 140 One end, drives dropout plate 140 to rotate so that trip shaft 133 turns to semiaxis notch 138 towards the outer of spacing connecting lever 134 of threading off End, the spacing status releasing for spacing connecting lever 134 of threading off at this time, realizes unlock of threading off, after unlock of threading off, in dropout tension spring 132 Restoring force effect under, thread off spacing connecting lever 134 and thread off linkage connecting lever 135 rotate synchronously, by spacing arc 137 of threading off drive every Rotated from 106 opposite direction of trundle, so as to drive isolation transmission shaft 104 to invert, realize isolation（Separating brake）Operation.

As shown in Figs. 1-2, being grounded transmission device includes ground connection transmission shaft 113, and the input terminal of ground connection transmission shaft 113 passes through Rolling bearing is installed in rotation on the second mechanism plate 102, its output terminal is installed in rotation on first by rolling bearing On mechanism plate 101, ground connection transmission shaft 113 is equipped with the ground connection transmission crank arm 114 that can be rotated therewith, ground connection transmission crank arm 114 Free end is equipped with ground connection trundle 115.

As shown in fig. 6, the output terminal that ground connection output device includes being installed on ground connection transmission shaft 113 can be simultaneously driven around ground connection The ground connection linkage connecting lever 117 that axis rotates 13 ground connection output toggle arm 116 and links with ground connection output toggle arm 116, ground connection linkage The turning end of connecting lever 117, which is equipped with, can accommodate the ground connection driving groove 118 that ground connection trundle 115 slides wherein, be grounded driving groove 118 both ends have the spacing arc 119 of ground connection coordinated with ground connection trundle 115.

As shown in figure 3, when on-load switch is in isolation, ground connection trundle 115 connects positioned at ground connection driving groove 118 At ground initiating terminal 120, when being rotated under being grounded transmission shaft 113 and being driven in external force, ground connection transmission crank arm 114 drives ground connection trundle 115 rotate therewith, at the same be grounded transmission device drive energy storage device carry out with the energy storage of "on" position opposite direction, connect during this Ground trundle 115 is slided along ground connection driving groove 118, and ground connection linkage connecting lever 117 will not be caused to interfere, fill energy storage when turning to When putting arrival maximum energy storage position, external force is removed at this time, and mechanism can be rotated further under effect of inertia so that when energy storage device turns Maximum energy storage position is crossed,（Or it is unfavorable use inertia, as long as can slightly turn over the maximum energy storage position of energy storage device under external force Put and energy storage release can be achieved）, the ground connection meeting of trundle 115 contact lives to be grounded the ground start end 121 of driving groove 118, and passes through The spacing arc 119 of ground connection at ground start end 121 drives ground connection linkage connecting lever 117 to rotate, so as to drive 116 turns of output toggle arm of ground connection Trend on-load switch output ground connection moment of torsion.

When ground connection transmission device carries out ground connection operation, isolation transmission device is in isolation.

The energy storage device of the utility model uses compression spring energy storage device, including energy storage compression spring 122 using compression spring energy storage device, The both ends of energy storage compression spring 122 are equipped with pressure spring head 123, and pressure spring head 123 is rotatably connected to isolation trundle 106 and ground connection respectively On trundle 115, telescopic rod 125 is equipped between pressure spring head 123, telescopic rod 125 can be received with energy storage compression spring 122 by compression Contracting.

As shown in figure 4, the three position mechanism of the utility model further includes isolation transmission device and is grounded the mutual of transmission device Locking device, the interlock include interlocking hanging plate 126, and interlocking hanging plate 126 is hung on the second mechanism plate by two kidney slots 127 On 102 outer surface, the outer surface of the second mechanism plate 102 is equipped with banking pin 128 matched with kidney slot 127, interlocks hanging plate 126 both ends are hung on isolation transmission shaft 104 by notched interlocking hole 129 respectively and are grounded the input of transmission shaft 113 On end, the input terminal of isolation transmission shaft 104 and ground connection transmission shaft 113 is respectively equipped with to be cut with what the notch in interlocking hole 129 matched Mouth 130；Interlock hanging plate 126 is with isolating transmission shaft 5 and being grounded the interlock mode of transmission shaft 113：When isolation transmission device and connect When ground transmission device is in isolation, isolation transmission shaft 104 and the direction interlocking hole of notch 130 for being grounded transmission shaft 113 129 notch, interlocks hanging plate 126 in state is loosened, can be moved up and down in the range of the restriction of kidney slot 127 at this time, when Isolation transmission device turns to "on" position or ground connection transmission device when turning to ground state, and the device for changing state turns The arc surface of the input terminal of moving axis jacks up the notch in corresponding interlocking hole 129 so that the rotation of that device of unaltered state The notch 130 of axis with it is corresponding interlocking hole 129 notch fitting be limited, so as to fulfill only in two devices all in isolation During state, the operation that could be grounded or closed a floodgate.

Claims (10)

1. a kind of inflatable high voltage load switch, including operating mechanism and electric mechanism, it is characterized in that, electric mechanism includes insulation Cover, insulating boot is interior to be equipped with switch spindle, and one end of main shaft is rotatably mounted by rotating assembly attended operation mechanism, the other end Insulated column, insulated column can be equipped with the double collet moving contact of main axis, insulating boot by being provided with insulating boot, on main shaft Interior sealing pours into a mould conductive rod, and conductive rod is equipped with towards this one end inside insulating boot can coordinate with double collet moving contact so as to build The static contact being electrically connected is found, the grounding static contact that can coordinate with double collet moving contact is additionally provided with the inner surface of insulating boot, is connect Ground static contact connection earthing rod.

2. a kind of inflatable high voltage load switch according to claim 1, it is characterized in that, the end of static contact is equipped with can Carry out the magnetic devices of electric arc extinguishing.

3. a kind of inflatable high voltage load switch according to claim 1, it is characterized in that, insulating boot include upper insulating boot and The mating surface of lower insulating boot, upper insulating boot and lower insulating boot is equipped with the sealing groove mouth being adapted with its outline shape, seal groove Total sealing ring is set in mouthful, and upper insulating boot and lower insulating boot are sealedly connected on one by the fastening bolt arranged along its gabarit edge Act the annular seal space for forming high voltage load switch.

4. a kind of inflatable high voltage load switch according to claim 3, it is characterized in that, it is equipped with annular seal space and is used to place The drying device box of drying material.

5. a kind of inflatable high voltage load switch according to claim 3, it is characterized in that, set at spacing intervals on main shaft There is a pair of of mounting disc, the inner wall of lower insulating boot is equipped with circular arc notch support positioning plates, Yi Duian on the position of corresponding mounting disc Main shaft in sabot is erected in the support positioning plates, and mounting disc is played positioned at the both sides of the support positioning plates grip respectively Effect, the inner wall of upper insulating boot is equipped with main shaft orientation support plate, main shaft orientation support plate and circular arc notch support positioning plates one One corresponds to, and the insertion of main shaft orientation support plate is fixed between a pair of of mounting disc.

6. a kind of inflatable high voltage load switch according to claim 5, it is characterized in that, the main shaft between adjacent mounting disc The upper a set of double collet moving contact of installation, double collet moving contact are installed in the square cavity in main shaft, and double collet moving contact includes The two panels moving contact plate being arranged symmetrically, two panels moving contact plate are installed together by exocoel fixed plate, and moving contact plate is consolidated with exocoel Compression spring is equipped between fixed board, the both ends of moving contact plate stretch out in outside the exocoel that exocoel fixed plate is formed, formed respectively Upper moving contact and lower moving contact, are equipped with clamping projection on the inside of upper moving contact and lower moving contact.

7. a kind of inflatable high voltage load switch according to claim 6, it is characterized in that, moving contact plate is equipped with pressure bullet The installation position of spring, compression spring are installed between moving contact plate and exocoel fixed plate, are made by the pressure of contact exocoel fixed plate Fitted closely together in the middle part of two panels moving contact plate.

8. a kind of inflatable high voltage load switch according to claim 6, it is characterized in that, main shaft is in the both sides of upper moving contact Equipped with main shaft blade, blade under main shaft is equipped with the both sides of lower moving contact.

9. a kind of inflatable high voltage load switch according to claim 8, it is characterized in that, main shaft blade and main shaft inferior lobe In the same plane, the blade area of blade is more than the blade area of main shaft blade to piece under main shaft, and main shaft inferior lobe on piece is also set There is the fixation perpendicular to blade surface stupefied.

10. a kind of inflatable high voltage load switch according to claim 1, it is characterized in that, operating mechanism includes storage manually Can switching off/on device and electric energy-stored switching off/on device, operating mechanism, and can be by turning by input shaft connection rotating shaft component Shaft assembly drives main axis, and rotating assembly is equipped with Simmer ring.