CN104658805A - Dual-operation-shaft low-speed rotary type three-station mechanism - Google Patents
Dual-operation-shaft low-speed rotary type three-station mechanism Download PDFInfo
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- CN104658805A CN104658805A CN201510057922.0A CN201510057922A CN104658805A CN 104658805 A CN104658805 A CN 104658805A CN 201510057922 A CN201510057922 A CN 201510057922A CN 104658805 A CN104658805 A CN 104658805A
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- plate
- isolation
- ground connection
- operation axle
- operating axis
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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Abstract
The invention relates to a dual-operation-shaft low-speed rotary type three-station mechanism and is designed for solving a technical problem of poor design of a misoperation preventing structure in an existing similar structure. One end of an output shaft on a groove wheel of the three-station mechanism extends out of a front plate, grounding and isolation operation shafts are symmetrically arranged on two sides of an output shaft of the front plate, connecting levers of the grounding and isolation operation shafts extend out of grounding and isolation limiting grooves of a middle plate respectively, the grounding connecting lever is positioned on an outer side edge of the groove wheel, and the isolation connecting lever is positioned in a wheel slide hole in the groove wheel; a key point is that separation baffles and combination baffles are arranged at outer diameters of symmetric sides of the connecting levers of the grounding and isolation operation shafts, the groove wheel is provided with a wheel slide groove, return tension springs and limiting rods are arranged on two outer sides of the front plate on the grounding and isolation operation shafts, the limiting rods are arranged on two sides of each of the separation baffles and the combination baffles, one end of each limiting rod is oppositely arranged, the other end of the limiting rod is connected through the corresponding return tension spring, a rotary plate, an auxiliary frame plate and a handle limiting plate are further arranged on upper and lower sides of each of the grounding and isolation operation shafts, and the handle limiting plates are provided with handle insertion holes.
Description
Technical field
The present invention relates to three station operating mechanisms in high-voltage switch gear, specifically a kind of dual operation axle rotary three position mechanism at a slow speed.
Background technology
High-voltage operating mechanism is mainly used for controlling high-voltage switch gear combined floodgate, separating brake, ground connection three stations, and the main switch wherein for these three station manipulations is three-station, and some three-stations are with isolation features or be called tri-station isolating switch.Three-station is usually used in, in fully closed combined electric unit or compound electric apparatus, incorporating the function of isolating switch and earthed switch, and service position is at a time unique, realizes mechanical latching, prevents the charged conjunction of major loop, avoids the possibility of misoperation.As the application number 201420279667.5 disclosed in Chinese patent literature, authorized announcement date 2014.10.08, utility model title " a kind of operating mechanism of tri-station isolating switch "; This operating mechanism comprises housing, housing is articulated with first, second operating axis be parallel to each other, the rotating shaft Joint of the first operating axis and isolating switch; Affixed first gear and isolation limiting plate on first operating axis, isolation limiting plate is installed with the first alignment pin, first alignment pin two ends connect the first operating axis by two extension springs, housing are provided with combined floodgate groove, separating brake groove and ground connection groove and match with the first alignment pin; Second operating axis is connected with the second gear and connecting lever, connecting lever connects housing by the second alignment pin, Compress Spring, and housing is provided with the second arcuate socket and matches with the second alignment pin; The whole outer peripheral face of first gear is evenly equipped with engaging tooth, and the second gear arranges engaging tooth on portion perimeter face, the second gear and the first gear close a floodgate and gate-dividing state time do not match, at ground state time just match.But in the structure of above-mentioned tri-station isolating switch, anti-misoperation design is not good enough, and interlock and the interlock of its structure are further improved.
For another example the application number 201220268559.9 disclosed in Chinese patent literature, authorized announcement date 2013.01.23, utility model title " a kind of three-position switch operation mechanism "; This three-position switch operation mechanism comprises frame, frame is provided with isolation drive motor and ground connection drive motors, in frame, also location is provided with DIP dish, isolation drive motor and all each self-driven connection one screw rod of ground connection drive motors, the sheathed drive nut of screw thread on screw rod, be fixedly arranged between drive nut and DIP dish on inside drive nut and have an extension rod, extension rod and DIP dish can contact jaw be drive end, and be provided with between drive end and DIP dish and can make DIP disc spins and the DIP assembly of locating at separating brake, combined floodgate, disengaging shelves three location points.Above-mentioned three-station is mainly the motor driver operation mode of ground connection and isolation, does not relate to manual actuating structure, does not also relate to anti-misoperation design.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide a kind of dual operation axle rotary three position mechanism at a slow speed to this area, making it solve anti-misoperation structural design in existing similar mechanism not good enough, cause the technical problem that fail safe is poor.Its objective is and to be achieved through the following technical solutions.
A kind of dual operation axle rotary three position mechanism at a slow speed, sheave is provided with between the middle plate of this three position mechanism and rear plate, header board is stretched out in output shaft one end of sheave, this side end of output shaft is provided with direction board, the output shaft bilateral symmetry of header board is provided with ground connection operating axis and isolated operation axle, the earthed crank arm of ground connection operating axis and the isolation connecting lever of isolated operation axle stretch out ground connection stopper slot and the isolation stopper slot of the curved setting of middle plate respectively, the earthed crank arm external part of ground connection operating axis is positioned at the outer side edges edge of sheave, the isolation connecting lever external part of isolated operation axle is positioned at the wheel slide opening of sheave, wheel slide opening comprises two sections of long arc shape holes and ground connection separating brake isolating to close a floodgate and arrive separating brake to the short arc hole of closing a floodgate, wheel slide opening is arranged in the isolation stopper slot side of plate, its structural design main points be the earthed crank arm of described ground connection operating axis and isolated operation axle a baffle plate is divided in the symmetrical external diameter status be respectively equipped with in protruding block, side of isolation connecting lever, baffle plate is closed in status and baffle plate is closed in isolation point position baffle plate, isolation, status divides a baffle plate and status to close baffle plate, isolate point position baffle plate and isolate that closing is in the shape of the letter V between baffle plate respectively arranges, sheave is in ", " font cam structure, and the long arc shape hole side of sheave is along the wheel chute being provided with opening, and wheel chute is contact of earth groove, reset tension spring, gag lever post is respectively equipped with outside the header board two of ground connection operating axis and isolated operation axle, a baffle plate, status conjunction baffle plate are divided in the status that gag lever post is symmetricly set in ground connection operating axis respectively, and the both sides that the isolation of isolated operation axle divides a baffle plate, baffle plate is closed in isolation, namely gag lever post one end is oppositely arranged respectively, the other end respectively by projection, spacing lever pin is hinged is fixed on header board, the projection of hinged spacing lever pin is fixed at the two ends of reset tension spring respectively by tension spring pin.
Isolated operation axle update handle in said structure, isolated operation axle is driven to rotate by operating grip, the isolation connecting lever of isolated operation axle can slide into isolation open position from the isolation closing position in long arc shape hole, ground connection point state while that this three position mechanism can switching to isolation point from ground connection point state during isolation contract, the isolation connecting lever of isolated operation axle slides into the other end by the one end isolating stopper slot; Be rotated further operating grip, the isolation connecting lever of isolated operation axle can from the isolation open position in long arc shape hole, namely the ground connection open position in short arc hole is to the position of contact of earth, this three position mechanism can from isolation point simultaneously a ground connection point state switch to isolation point simultaneously ground connection close a state, ground connection operating axis earthed crank arm slide into the other end by one end of ground connection stopper slot.Now, sheave external diameter under isolation point simultaneously ground connection point state offsets the earthed crank arm of ground connection operating axis, earthed crank arm is forced to slip into the wheel chute of sheave, thus the ground connection point state while that this three position mechanism above-mentioned dividing from isolation that realizes switches to the isolation point state of ground connection conjunction simultaneously, one end of the ground connection stopper slot of ground connection operating axis slides into the other end.Simultaneously, the above-mentioned isolated operation axle gag lever post that the isolation of isolated operation axle external diameter divides a baffle plate to force both sides in rotation process in the clockwise direction outwards rotates and opens, reset tension spring generation deformation, ground connection point state while that this three position mechanism switching to isolation point from ground connection point state during isolation contract; When isolated operation axle continue to rotate clockwise switch to isolation close baffle plate time, reset tension spring drives gag lever post to reset, both sides gag lever post closes baffle plate with isolation and offsets, and this three position mechanism can divide a ground connection point state simultaneously to switch to the isolation point state of ground connection conjunction simultaneously from isolation; Continue to rotate clockwise isolated operation axle, both sides gag lever post is reset to and isolates point state that position baffle plate offsets again, ground connection point state when this three position mechanism is reset to isolation contract.According to above-mentioned operation principle and mode of operation, also can carry out identical operation to ground connection operating axis, this three position mechanism also can realize identical Switch of working position.
The both sides up and down of described ground connection operating axis and isolated operation axle are respectively equipped with flap, subframe plate, flap is respectively in fan-shaped, subframe plate is fixed on respectively by flap pin is hinged in the end angle of flap, arc tips angle, side offsets with gag lever post respectively, and the flap slide opening at opposite side arc tips angle is connected with subframe plate respectively by screw; The front plate side end of ground connection operating axis and isolated operation axle is respectively equipped with axle head cover, flap place is respectively equipped with push pedal, push pedal is respectively in L-shaped, the curved end of push pedal lays respectively at the front plate side circle face of axle head cover, push pedal is connected with the frame plate slide opening of subframe plate respectively by the described screw of flap, and subframe plate is connected with the push pedal slide opening of push pedal respectively by rivet.Said structure, by axle head cover and the setting of push pedal, improves this three position mechanism further and drives the anti-misoperation effect turning to correspondence position ability update handle; And in conjunction with gag lever post and reset tension spring structure, improve the interlock effect between this three position mechanism and operating grip.Namely, when operating grip inserts isolated operation axle or ground connection operating axis, axle head cover promotes flap by push pedal and gag lever post offsets, and gag lever post outwards opens, reset tension spring generation deformation; Extract operating grip, reset tension spring resets, and drives gag lever post to regain, and gag lever post drives push pedal to reset by flap, and axle head cover departs from the handle hole of ground connection operating axis or isolated operation axle.
The side subframe plate of described ground connection operating axis and isolated operation axle is respectively handle limiting plate, handle limiting plate is respectively in L-shaped, one end of handle limiting plate is connected with header board respectively, and another end face outside that another curved end is overlapped with axle head is respectively relative, and handle limiting plate is respectively equipped with handle socket.Said structure is convenient to this three position mechanism and is turned to correspondence position, and handle limiting plate just can be made to move to the handle hole of close ground connection operating axis or isolated operation axle, and the handle socket that operating grip just can be inserted into handle limiting plate uses.
Described direction board is fan-shaped, direction board is provided with outward extending status sealing support plate and isolation sealing support plate, status sealing support plate and isolation are sealed between support plate and are provided with angle, during isolation contract, under ground connection point state, status sealing support plate blocks the handle socket of ground connection operating axis side handle limiting plate, and the while of isolation point, under ground connection conjunction state, isolation sealing support plate blocks the handle socket of isolated operation axle side handle limiting plate.In said structure, direction board is driven by this three position mechanism and turns to correspondence position ability update handle, thus improves this three position mechanism anti-misoperation further.
The handle socket of described handle limiting plate is respectively equipped with centre bore, and the outward extending stopper slot of centre bore, stopper slot is symmetrical arranged between two, the pin end of operating grip is provided with symmetrically arranged plunger, the plunger correspondence of operating grip inserts handle socket, is connected with ground connection operating axis or isolated operation axle by axle head cover.Said structure convenient operation handle is corresponding with the handle socket of handle limiting plate to be inserted, and after rotating, correspondence is extracted; As long as this three position mechanism does not turn to correspondence position, or this three position mechanism is not turned to correspondence position by operating grip, operating grip just can not insert or extract.
The present invention is reasonable in design, and stability, fail safe are good, effectively can prevent the generation of faulty operation situation; The three position mechanism or the three station interrupters that are suitable as all kinds of high-voltage switch gear use, and the architecture advances of like product.
Accompanying drawing explanation
Ground connection point state Facad structure schematic diagram when Fig. 1 is isolation contract of the present invention, plate after omitting in figure.
Fig. 2 is the inverse layer structure schematic diagram of Fig. 1, and in figure, dotted line is ground connection operating axis.
Fig. 3 is that isolation of the present invention divides ground connection point state Facad structure schematic diagram simultaneously, plate after omitting in figure.
Fig. 4 is the inverse layer structure schematic diagram of Fig. 3, and in figure, dotted line is middle plate.
Fig. 5 is that isolation of the present invention divides ground connection simultaneously to close state Facad structure schematic diagram, plate after omitting in figure.
Fig. 6 is the inverse layer structure schematic diagram of Fig. 5, and in figure, dotted line is isolated operation axle.
Fig. 7 is operating grip insert state Facad structure schematic diagram of the present invention, and in figure, dotted line is the pin end of operating grip.
In figure, the name of sequence number is called: 1, header board, 2, middle plate, 201, ground connection stopper slot, 202, isolation stopper slot, 3, sheave, 301, wheel slide opening, 302, wheel chute, 4, output shaft, 5, reset tension spring, 6, rear plate, 7, spacing lever pin, 8, gag lever post, 9, tension spring pin, 10, flap pin, 11, flap, 12, ground connection operating axis, 1201, status connecting lever, 1202, a baffle plate is divided in status, 1203, baffle plate is closed in status, 13, push pedal, 14, handle limiting plate, 15, direction board, 16, isolated operation axle, 1601, isolation connecting lever, 1602, isolation point position baffle plate, 1603, baffle plate is closed in isolation, 17, subframe plate, 18, axle head cover, 19, operating grip.
Embodiment
Now by reference to the accompanying drawings, the invention will be further described.As shown in figs. 1 to 6, be provided with sheave 3 between the middle plate 2 of this three position mechanism and rear plate 6, header board 1 is stretched out in output shaft 4 one end of sheave, and this side end of output shaft is provided with direction board 15; Direction board is fan-shaped, and direction board is provided with outward extending status sealing support plate and isolation sealing support plate, and status sealing support plate and isolation are sealed between support plate and be provided with angle.The output shaft bilateral symmetry of header board is provided with ground connection operating axis 12 and isolated operation axle 16, the earthed crank arm 1201 of ground connection operating axis and the isolation connecting lever 1601 of isolated operation axle stretch out ground connection stopper slot 201 and the isolation stopper slot 202 of the curved setting of middle plate respectively, a baffle plate 1202 is divided in the earthed crank arm of ground connection operating axis and the symmetrical external diameter status be respectively equipped with in protruding block, side of the isolation connecting lever of isolated operation axle, baffle plate 1203 and isolation point position baffle plate 1602 are closed in status, baffle plate 1603 is closed in isolation, status divides a baffle plate and status to close baffle plate, isolation point position baffle plate and isolate that closing is in the shape of the letter V between baffle plate respectively arranges.The earthed crank arm external part of ground connection operating axis is positioned at the outer side edges edge of sheave, sheave in "; " font cam structure, the isolation connecting lever external part of isolated operation axle is positioned at the wheel slide opening 301 of sheave, wheel slide opening comprises two sections of long arc shape holes and ground connection separating brake isolating to close a floodgate and arrive separating brake to the short arc hole of closing a floodgate, and wheel slide opening is arranged in the isolation stopper slot side of plate; The long arc shape hole side of sheave is along the wheel chute 302 being provided with opening, and wheel chute is contact of earth groove.
Reset tension spring 5, gag lever post 8 is respectively equipped with outside the header board two of ground connection operating axis and isolated operation axle, a baffle plate, status conjunction baffle plate are divided in the status that gag lever post is symmetricly set in ground connection operating axis respectively, and the both sides that the isolation of isolated operation axle divides a baffle plate, baffle plate is closed in isolation, namely gag lever post one end is oppositely arranged respectively, the other end respectively by projection, spacing lever pin 7 is hinged is fixed on header board, the projection of hinged spacing lever pin is fixed at the two ends of reset tension spring respectively by tension spring pin 9.The both sides up and down of ground connection operating axis and isolated operation axle are respectively equipped with flap 11, subframe plate 17, handle limiting plate 14, flap is respectively in fan-shaped, subframe plate is fixed on respectively by flap pin 10 is hinged in the end angle of flap, arc tips angle, side offsets with gag lever post respectively, and the flap slide opening at opposite side arc tips angle is connected with subframe plate respectively by screw.The front plate side end of ground connection operating axis and isolated operation axle is respectively equipped with axle head cover 18, flap place is respectively equipped with push pedal 13, push pedal is respectively in L-shaped, the curved end of push pedal lays respectively at the front plate side circle face of axle head cover, push pedal is connected with the frame plate slide opening of subframe plate respectively by the described screw of flap, and subframe plate is connected with the push pedal slide opening of push pedal respectively by rivet.Handle limiting plate is also respectively in L-shaped, and one end of handle limiting plate is connected with header board respectively, and another end face outside that another curved end is overlapped with axle head is respectively relative, and handle limiting plate is respectively equipped with handle socket.The handle socket of handle limiting plate is respectively equipped with centre bore, and the outward extending stopper slot of centre bore, stopper slot is symmetrical arranged between two, the pin end of operating grip 19 is provided with symmetrically arranged plunger, the plunger correspondence of operating grip inserts handle socket, is connected with ground connection operating axis or isolated operation axle by axle head cover.
As shown in Fig. 1 ~ 7, this three position mechanism has isolated operation axle and ground connection operating axis.The isolation of this three position mechanism divides, ground connection timesharing, and operating grip arbitrarily can insert isolated operation axle or ground connection operating axis; When the isolation of this three position mechanism is closed, ground connection operating axis is instructed to board and blocks, cannot operational grounding axle; When this three position mechanism ground connection is closed, isolated operation axle is instructed to board and blocks, cannot operation isolation operating axis.When operating grip inserts isolated operation axle or ground connection operating axis, the axle head cover of isolated operation axle or ground connection operating axis is promoted by operating grip, overlapped by axle head again and promote push pedal, push pedal promotes flap, flap rotates along flap pin, flap promotes gag lever post and outwards opens along spacing lever pin rotation, reset tension spring is elongated simultaneously, a baffle plate is divided in the status that the isolation that now gag lever post leaves isolated operation axle divides a baffle plate, baffle plate or ground connection operating axis are closed in isolation, baffle plate is closed in status, and operating grip rotatably also can be transferred to.As operating grip is extracted, then gag lever post is driven to reset by reset tension spring, gag lever post promotes flap, flap promotes push pedal, and push pedal promotes axle head cover, and place part resets, a baffle plate, status conjunction baffle plate are divided in the status that isolation divides a baffle plate, baffle plate or ground connection operating axis are closed in isolation that gag lever post pins isolated operation axle, isolated operation axle or ground connection operating axis are lockable, and pass through the sheave on the connecting lever pinning output shaft of isolated operation axle or ground connection operating axis, output shaft is lockable simultaneously.As operating grip rotates, now the handle socket of handle limiting plate pins the pin on operating grip, and operating grip cannot be extracted, or returns former station, or continues to rotate to next station, and operating grip just can be extracted.Simultaneously, isolation stopper slot or the ground connection stopper slot of middle plate match with the handle socket of handle limiting plate, when control operation handle forwards station to, the isolation connecting lever of isolated operation axle or ground connection operating axis or earthed crank arm rotate terminal location in the isolation stopper slot or ground connection stopper slot of middle plate.When the isolation connecting lever of isolated operation axle or ground connection operating axis or earthed crank arm rotate in the isolation stopper slot or ground connection stopper slot of middle plate, drive the sheave of output shaft to rotate simultaneously, the wheel slide opening of sheave and wheel chute, simultaneously can self-lockings at each station by rotation and convertible output angle degree.
Use and the operation principle of this three position mechanism are specific as follows: as shown in Figure 7, when the handle socket of operating grip alignment handle limiting plate inserts ground connection operating axis, the axle head cover of ground connection actuating axle moves to header board side, axle head cover promotes both sides push pedal and moves to equidirectional, one end that push pedal promotes both sides flap is rotated, the other end of flap offsets gag lever post, and drive both sides gag lever post outwards to rotate to open, the reset tension spring generation deformation of this side, thus namely drive ground connection operating axis to rotate by operating grip.Aforesaid operations handle is in rotation process, and because the plunger of operating grip and the handle socket of handle limiting plate misplace, operating grip cannot be extracted; Operating grip continues counterclockwise to rotate, ground connection operating axis divides the position of a baffle plate to switch to the position of status conjunction baffle plate by status, unclamp operation handle is to the pressure of handle limiting plate, reset tension spring resets, reset tension spring drives flap, push pedal, axle head cover to reset successively, now the plunger of operating grip is alignd with the handle socket of handle limiting plate, and operating grip can be extracted.Again operating grip is inserted ground connection operating axis, gag lever post outwards opens again according to above-mentioned principle, operating grip continues counterclockwise to rotate, position to the status that ground connection operating axis closes baffle plate by status divides the position of a baffle plate to switch, the part of ground connection operating axis side resets again, again can extract operating grip.The operation principle of above-mentioned isolated operation axle is also like this, the respective operations of above-mentioned corresponding isolated operation axle and ground connection operating axis, sheave is made to turn to the position of Fig. 3 by the position of Fig. 1, the isolation connecting lever of isolated operation axle slides into the other end by the isolation stopper slot one end at middle part, ground connection point state while that this three position mechanism switching to isolation point from ground connection point state during isolation contract; As shown in Figure 2, during isolation contract, under ground connection point state, the handle limiting plate of ground connection operating axis side is instructed to board and seals and cannot insert, as shown in Figure 4, under the while of isolation point, ground connection divides state, the handle limiting plate of ground connection operating axis side and isolated operation axle side is open mode.Sheave turns to the position of Fig. 5 by the position of Fig. 3, the earthed crank arm of ground connection operating axis slides into the other end by ground connection stopper slot one end of middle plate, the earthed crank arm of ground connection operating axis slips into the wheel chute of sheave, now as shown in Figure 6, the handle limiting plate of ground connection operating axis side is instructed to board and seals and cannot insert.
Claims (5)
1. a dual operation axle rotary three position mechanism at a slow speed, sheave (3) is provided with between the middle plate (2) of this three position mechanism and rear plate (6), header board (1) is stretched out in output shaft (4) one end of sheave, this side end of output shaft is provided with direction board (15), the output shaft bilateral symmetry of header board is provided with ground connection operating axis (12) and isolated operation axle (16), the earthed crank arm (1201) of ground connection operating axis and the isolation connecting lever (1601) of isolated operation axle stretch out ground connection stopper slot (201) and isolation stopper slot (202) of the curved setting of middle plate respectively, the earthed crank arm external part of ground connection operating axis is positioned at the outer side edges edge of sheave, the isolation connecting lever external part of isolated operation axle is positioned at the wheel slide opening (301) of sheave, wheel slide opening comprises two sections of long arc shape holes and ground connection separating brake isolating to close a floodgate and arrive separating brake to the short arc hole of closing a floodgate, wheel slide opening is arranged in the isolation stopper slot side of plate, it is characterized in that a baffle plate (1202) is divided in the earthed crank arm (1201) of described ground connection operating axis (12) and the external diameter status be respectively equipped with in protruding block, isolation connecting lever (1601) symmetrical side of isolated operation axle (16), baffle plate (1203) is closed in status and isolation point position baffle plate (1602), isolation conjunction baffle plate (1603), status divides a baffle plate and status to close baffle plate, isolate point position baffle plate and isolate that closing is in the shape of the letter V between baffle plate respectively arranges, sheave (3) is in ", " font cam structure, and the long arc shape hole side of sheave is along the wheel chute (302) being provided with opening, and wheel chute is contact of earth groove, reset tension spring (5), gag lever post (8) is respectively equipped with outside the header board (1) two of ground connection operating axis and isolated operation axle, a baffle plate, status conjunction baffle plate are divided in the status that gag lever post is symmetricly set in ground connection operating axis respectively, and the both sides that the isolation of isolated operation axle divides a baffle plate, baffle plate is closed in isolation, namely gag lever post one end is oppositely arranged respectively, the other end respectively by projection, spacing lever pin (7) is hinged is fixed on header board, the projection of hinged spacing lever pin is fixed at the two ends of reset tension spring respectively by tension spring pin (9).
2. dual operation axle according to claim 1 rotary three position mechanism at a slow speed, it is characterized in that the both sides up and down of described ground connection operating axis (12) and isolated operation axle (16) are respectively equipped with flap (11), subframe plate (17), flap is respectively in fan-shaped, subframe plate is fixed on respectively by flap pin (10) is hinged in the end angle of flap, arc tips angle, side offsets with gag lever post respectively, and the flap slide opening at opposite side arc tips angle is connected with subframe plate respectively by screw; The front plate side end of ground connection operating axis and isolated operation axle is respectively equipped with axle head cover (18), flap place is respectively equipped with push pedal (13), push pedal is respectively in L-shaped, the curved end of push pedal lays respectively at the front plate side circle face of axle head cover, push pedal is connected with the frame plate slide opening of subframe plate respectively by the described screw of flap, and subframe plate is connected with the push pedal slide opening of push pedal respectively by rivet.
3. dual operation axle according to claim 2 rotary three position mechanism at a slow speed, it is characterized in that side subframe plate (17) of described ground connection operating axis (12) and isolated operation axle (16) is respectively handle limiting plate (14), handle limiting plate is respectively in L-shaped, one end of handle limiting plate is connected with header board (1) respectively, another curved end is relative with another end face outside of axle head cover (18) respectively, and handle limiting plate is respectively equipped with handle socket.
4. dual operation axle according to claim 3 rotary three position mechanism at a slow speed, it is characterized in that described direction board (15) is in fan-shaped, direction board is provided with outward extending status sealing support plate and isolation sealing support plate, status sealing support plate and isolation are sealed between support plate and are provided with angle, during isolation contract, under ground connection point state, status sealing support plate blocks the handle socket of ground connection operating axis side handle limiting plate (14), and the while of isolation point, under ground connection conjunction state, isolation sealing support plate blocks the handle socket of isolated operation axle side handle limiting plate.
5. dual operation axle according to claim 4 rotary three position mechanism at a slow speed, it is characterized in that the handle socket of described handle limiting plate (14) is respectively equipped with centre bore, and the outward extending stopper slot of centre bore, stopper slot is symmetrical arranged between two, the pin end of operating grip (19) is provided with symmetrically arranged plunger, the plunger correspondence of operating grip inserts handle socket, is connected with ground connection operating axis (12) or isolated operation axle (16) by axle head cover (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510057922.0A CN104658805B (en) | 2015-02-04 | 2015-02-04 | The most rotary three position mechanism of dual operation axle |
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|---|---|---|---|
| CN201510057922.0A CN104658805B (en) | 2015-02-04 | 2015-02-04 | The most rotary three position mechanism of dual operation axle |
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| CN104658805A true CN104658805A (en) | 2015-05-27 |
| CN104658805B CN104658805B (en) | 2016-10-05 |
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| CN109616368A (en) * | 2018-12-04 | 2019-04-12 | 浙江道笃智能开关有限公司 | A kind of high voltage isolating switch operating mechanism |
| CN109755052A (en) * | 2019-01-29 | 2019-05-14 | 上海西门子高压开关有限公司 | Grunding switch gear device |
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| CN115512998A (en) * | 2022-11-23 | 2022-12-23 | 赫兹曼电力（广东）有限公司 | Double-operating-shaft three-station operating device |
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| CN103065860B (en) * | 2013-01-04 | 2015-11-18 | 福建中能电气股份有限公司 | Three station operating mechanisms |
| CN203871254U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Operating mechanism of three-station isolation switch |
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