CN105513877A - Single-motor three-station actuator and mechanical locking protection device thereof - Google Patents
Single-motor three-station actuator and mechanical locking protection device thereof Download PDFInfo
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- CN105513877A CN105513877A CN201510983557.6A CN201510983557A CN105513877A CN 105513877 A CN105513877 A CN 105513877A CN 201510983557 A CN201510983557 A CN 201510983557A CN 105513877 A CN105513877 A CN 105513877A
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- 230000001070 adhesive effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
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Classifications
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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
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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Abstract
The invention relates to a single-motor three-station actuator and a mechanical locking protection device thereof. The single-motor three-station actuator comprises a limiting turntable and a limiting device; the limiting device comprises a switching-on stop block and a switching-off stop block which are used for performing one-way limiting on the limiting turntable; the switching-on stop block limits the rotation direction of the limiting turntable in isolation switching on and grounding switching off; the limiting direction of the switching-on stop block is opposite to the limiting direction of the switching-off stop block; the switching-on stop block and the switching-off stop block are both in transmission connection with an automatically resettable driving mechanism which makes the switching-on stop block or the switching-off stop block avoid the limiting turntable and an elastic resetting device which makes the switching-on stop block or the switching-off stop block automatically reset; the switching-on stop block is in transmission connection with a first travel switch which starts a driving motor after the switching-on stop block is triggered in isolation switching on and grounding switching off and turns off the driving motor after the limiting turntable drives the switching-on stop block to be triggered in isolation switching off and grounding switching on; and the switching-off stop block is in transmission connection with a second travel switch the functions of which are opposite to the functions of the first travel switch. With the single-motor three-station actuator and the mechanical locking protection device thereof of the invention adopted, the problem of complicated structure of the mechanical locking protection device of an existing single-motor three-station actuator can be solved.
Description
Technical field
The present invention relates to three station operating mechanism fields, particularly one list motor three station operating mechanism and mechanical latching protective device thereof.
Background technology
Along with the development of science and technology, isolating switch in GIS and earthed switch two independent components are merged into an isolating/grounding switch three station modular element by people, GIS size after combination is less, the operating mechanism after both combinations also by two station mechanisms of independent operation isolating switch before or earthed switch become one can disconnecting switch operation also can the three position mechanism of operational grounding switch.The three position mechanism of present use is roughly divided into two kinds, one is that two motors two overlap drive unit and synthesize output, i.e. a bi-motor three position mechanism by crank pit wheel construction, and this three position mechanism is owing to there being two cover drive units, complex structure, bulky, cost is high, difficult in maintenance.Another is single motor three position mechanism that an a set of drive unit of motor directly exports, and its structure is simple, easy to maintenance.
During single motor three position mechanism work, motor drives three station isolation grounding switch motions after being slowed down by drive mechanism, control motor positive and inverse, and then realize three station isolation grounding switch actions by secondary circuit.Traditional three-station electric operating mechanism, by mounting limit rotating disk on output shaft, before output shaft is rotated in place, spacing rotating disk triggers travel switch, cuts off electric motor loop, and brakes on loop, adopt the method for dynamic braking, allow motor stall at short notice, to control to export angle.Because the winding of different motor there are differences, identical brake circuits, can cause the uncertain mechanism's output angle that causes of the stall position of motor to occur difference.In order to ensure that exporting angle meets instructions for use, needs the position adjusting travel switch, change the time that motor shifts to an earlier date power-off, need the position repeatedly adjusting travel switch during delivery test, debugging efficiency is low, causes single motor three position mechanism production efficiency low.In addition, certain risk is all there is owing to utilizing travel switch cut-out electric motor loop and dynamic braking, once dynamic braking braking time is long or travel switch lost efficacy, output shaft will be caused to be rotated in place after, motor continues to drive output shaft rotation, three station isolation grounding switchs mechanism driving lower moving contact continue motion, cause three station isolation grounding switch dynamic/static contacts to cover the excess of stroke follow-up reforwarding during combined floodgate to move, cause dynamic/static contact permanent damage, can not stop in tram during separating brake, cause the inclined isolation end of moving contact or inclined earth terminal, dynamic/static contact is caused to cause insulation breakdown apart from too small.
Summary of the invention
The object of this invention is to provide a kind of mechanical latching protective device of single motor three station operating mechanism, can not the problem of protective efficient switch body during, mechanism-trouble low with the mechanical latching protective device debugging efficiency solving single motor three station operating mechanism of the prior art.
In addition, the present invention also aims to provide a kind of single motor three station operating mechanism.
Technical scheme of the present invention is: a kind of mechanical latching protective device of single motor three station operating mechanism, comprise for the spin-ended spacing rotating disk be assemblied on single motor three station operating mechanism output shaft, also comprise the stopping means limiting spacing dial rotation, stopping means comprises and is respectively used to the unidirectional spacing combined floodgate block of the rotation of spacing rotating disk and separating brake block, combined floodgate block is spacing in the direction of rotation of isolation combined floodgate and ground connection separating brake to spacing rotating disk, separating brake block is spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk, combined floodgate block is contrary with the spacing direction of separating brake block and be connected with separately can automatically reset driving mechanism and for ordering about its automatically reset elasticity reset device for what order about that it dodges spacing rotating disk, in addition, combined floodgate block be connected with for isolate close a floodgate and ground connection separating brake time to be ordered about the drive motors that starts single motor three station operating mechanism after combined floodgate block triggers by driving mechanism and ordered about by spacing rotating disk when isolating separating brake and contact of earth combined floodgate block trigger after first travel switch of drive motors of single motor three station operating mechanism of disconnection, separating brake block be connected with for order about by driving mechanism the drive motors that starts single motor three station operating mechanism after separating brake block triggers when isolating separating brake and contact of earth and isolate close a floodgate and ground connection separating brake time to be ordered about by spacing rotating disk separating brake block trigger after second travel switch of drive motors of single motor three station operating mechanism of disconnection.
The mechanical latching protective device of described single motor three station operating mechanism also comprises back-up block, and back-up block is provided with the groove coordinated that to lead with the block that closes a floodgate, separating brake block, is provided with the pilot hole coordinated that leads with combined floodgate block, separating brake block respectively in groove.
The side of described groove is fix the catch be detachably fixedly connected with back-up block, described pilot hole is arranged on catch, pilot hole is long lumbar hole, elasticity reset device is fixed in groove, combined floodgate block, separating brake block being provided with to coordinate with pilot hole makes elasticity reset device be in its pre-compressed state and the axis of guide limiting guide vane end stop axial-rotation, and described driving mechanism drives combined floodgate block and separating brake block by the axis of guide.
Described groove is provided with to lead with the block that closes a floodgate, separating brake block and coordinates the square groove mouth of same its axial-rotation of limit, is provided with for leading the through hole coordinating and control first and second travel switch with combined floodgate block, separating brake block with groove port opposite face.
Described driving mechanism is electromagnet.
Described spacing rotating disk is provided with the spacing pivot pin coordinated with stopping means spacing rotary disk limitation.
A kind of single motor three station operating mechanism, comprise mechanical latching protective device, described mechanical latching protective device comprises for the spin-ended spacing rotating disk be assemblied on single motor three station operating mechanism output shaft, mechanical latching protective device also comprises the stopping means limiting spacing dial rotation, stopping means comprises and is respectively used to the unidirectional spacing combined floodgate block of the rotation of spacing rotating disk and separating brake block, combined floodgate block is spacing in the direction of rotation of isolation combined floodgate and ground connection separating brake to spacing rotating disk, separating brake block is spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk, combined floodgate block is contrary with the spacing direction of separating brake block and be connected with separately can automatically reset driving mechanism and for ordering about its automatically reset elasticity reset device for what order about that it dodges spacing rotating disk, in addition, combined floodgate block be connected with for isolate close a floodgate and ground connection separating brake time to be ordered about the drive motors that starts single motor three station operating mechanism after combined floodgate block triggers by driving mechanism and ordered about by spacing rotating disk when isolating separating brake and contact of earth combined floodgate block trigger after first travel switch of drive motors of single motor three station operating mechanism of disconnection, separating brake block be connected with for order about by driving mechanism the drive motors that starts single motor three station operating mechanism after separating brake block triggers when isolating separating brake and contact of earth and isolate close a floodgate and ground connection separating brake time to be ordered about by spacing rotating disk separating brake block trigger after second travel switch of drive motors of single motor three station operating mechanism of disconnection.
Described mechanical latching protective device also comprises back-up block, and back-up block is provided with the groove coordinated that to lead with the block that closes a floodgate, separating brake block, is provided with the pilot hole coordinated that leads with combined floodgate block, separating brake block respectively in groove.
The side of described groove is fix the catch be detachably fixedly connected with back-up block, described pilot hole is arranged on catch, pilot hole is long lumbar hole, elasticity reset device is fixed in groove, combined floodgate block, separating brake block being provided with to coordinate with pilot hole makes elasticity reset device be in its pre-compressed state and the axis of guide limiting guide vane end stop axial-rotation, and described driving mechanism drives combined floodgate block and separating brake block by the axis of guide.
Described spacing rotating disk is provided with the pivot pin coordinated with stopping means spacing rotary disk limitation.
Beneficial effect of the present invention is: control system sends isolation reclosing command, can its position-limiting action be closed receiving instruction rear drive combined floodgate block by automatically reset driving mechanism after operation setup time, combined floodgate block triggers the first travel switch simultaneously, the closed off-state of the galvanic circle of the drive motors of the first stroke switching over list motor three station operating mechanism, the galvanic circle of the drive motors of single motor three station operating mechanism is switched to closure state by off-state, the drive motors of single motor three station operating mechanism starts and drives spacing turntable rotation, because driving mechanism keeps combined floodgate block position-limiting action to close setting-up time, spacing rotating disk can pass through combined floodgate block, spacing rotating disk is automatically reset by combined floodgate block rear drive mechanism, elasticity reset device drives combined floodgate block to recover spacing state simultaneously, because separating brake block is only spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk, spacing rotating disk to contact with separating brake block through separating brake block and the position-limiting action of separating brake block is closed, separating brake block triggers the closed off-state that the second travel switch switches the galvanic circle of the drive motors of single motor three station operating mechanism simultaneously, the galvanic circle of the drive motors of single motor three station operating mechanism is switched to off-state by closure state, starting brake circuits while the drive motors power-off of single motor three station operating mechanism makes the drive motors of single motor three station operating mechanism stop operating at short notice.When braking time is long or travel switch lost efficacy, combined floodgate block ensures the safety of Switch main body to spacing rotary disk limitation; That in like manner isolates that separating brake, ground connection divide-shut brake can realize spacing rotating disk equally is spacing.By point, combined floodgate block to the unidirectional position-limiting action of spacing rotating disk, spacing rotating disk is punished all the time, closes a floodgate between block in set distance range, ensure the safety of Switch main body and export the precision of angle; By point, combined floodgate block can to realize the restriction of the on/off switch position to spacing rotating disk simultaneously to the cooperation of the one direction position-limiting action of spacing rotating disk; spacing rotating disk on/off switch position is made to be in identical position; structure is simple; debug efficiency high, the mechanical latching protective device debugging efficiency solving single motor three station operating mechanism of the prior art be low, mechanism-trouble time can not the problem of protective efficient switch body.
Further, the side of described groove is fix the catch be detachably fixedly connected with back-up block, catch is provided with respectively with combined floodgate block, the pilot hole that separating brake block coordinates along telescopic direction, pilot hole is long lumbar hole, elasticity reset device is fixed in groove, combined floodgate block, separating brake block being provided with to coordinate with pilot hole makes elasticity reset device be in its pre-compressed state and the axis of guide of limit stop axial-rotation, by catch to limit stop axial-rotation while block guide and limit, again can by regulating the position of the position adjustment block positive stop end of catch, and be convenient to the installation and removal of elasticity reset device.
Further, described groove be provided with point, the positive stop end of combined floodgate block matches the square groove mouth of limit stop axial-rotation, utilize the cooperation of square groove mouth and block to point, combined floodgate block shaft to rotary stopper, structure is simple and easy to processing.Meanwhile, by point, the axis of guide that combined floodgate block is arranged to coordinate with catch and divide, combined floodgate block and square groove mouth lead the dual cooperation coordinated, can to control more accurately point, the direction of motion of combined floodgate block.
Further, described spacing rotating disk is provided with bearing pin, stopping means to spacing rotary disk limitation, can improve limit accuracy by spacing bearing pin.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of the specific embodiment 1 of the mechanical latching protective device of a kind of single motor three station operating mechanism of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is in Fig. 1 point, combined floodgate block mounting structure schematic diagram;
Fig. 4 is in Fig. 1 point, combined floodgate block appearance schematic diagram;
Fig. 5 is block mounting structure schematic diagram in the embodiment 2 of the mechanical latching protective device of a kind of single motor three station operating mechanism of the present invention;
Fig. 6 is the left view of Fig. 5.
Embodiment
The specific embodiment 1 of the mechanical latching protective device of a kind of single motor three station operating mechanism of the present invention: as Figure 1-Figure 4, the mechanical latching protective device of described single motor three station operating mechanism comprises spacing rotating disk 7, stopping means, travel switch, stopping means comprises back-up block 2, combined floodgate block 6, separating brake block 9, combined floodgate block 6 is contrary with the spacing direction of separating brake block 9 and be connected with separately and dodge spacing rotating disk 7 and automatically reset driving mechanism and for ordering about its automatically reset elasticity reset device after operation setup time for ordering about it, driving mechanism is started working after receiving the signal that single motor three station operating mechanism sends, and automatically reset after operation setup time, be electromagnet 3 for driving the driving mechanism of combined floodgate block 6, be electromagnet 10 for driving the driving mechanism of separating brake block 9, automatic-reset spring 4 for ordering about combined floodgate block 6 automatically reset, automatic-reset spring 8 for ordering about combined floodgate block automatically reset, electromagnet 3, electromagnet 10 to be all fixed on back-up block 2, automatic-reset spring 4 and automatic-reset spring 8 are same specification spring, be separately fixed in two square grooves of back-up block 2, the structure of two square grooves is identical, in square groove, the one side relative with notch is provided with manhole, the diameter of manhole is less than the diameter of automatic-reset spring 4, the side of square groove is provided with catch, catch is provided with long waist pilot hole, catch and back-up block 2 screw are fixed.
Combined floodgate block 6 comprises the positive stop end 61 that acts on spacing rotating disk 7 and coordinates guide end 63 with square groove, separating brake block 9 comprises the positive stop end 91 that acts on spacing rotating disk 7 and coordinates guide end 93 with square groove, guide end 63, guide end 93 are cylindrical structure, combined floodgate block 6 is provided with the axis of guide 62 coordinated with waist pilot hole long on catch 51 at positive stop end 61, separating brake block 9 is all provided with the axis of guide 92 coordinated with waist pilot hole long on catch 52 at positive stop end.Electromagnet 3 drives combined floodgate block 6 by the axis of guide 62, and the guide end of combined floodgate block 6 is arranged on the manhole in square groove through automatic-reset spring 4.When combined floodgate block 6 position-limiting actions, the axis of guide 62 is positioned at one end of long lumbar hole on catch 51, and automatic-reset spring 4 is in its pre-compressed state; When electromagnet 3 drives block to move in square groove, the axis of guide 62 moves to the other end of long lumbar hole, then combined floodgate block 6 is in square groove inside, not spacing to spacing rotating disk 7.The action that electromagnet 3 drives combined floodgate block 6 to move in square groove is that the instantaneous signal sent by control desk is carried out, in the setting-up time after signal sends electromagnet 3 back-moving spring 4 therein effect under reply voluntarily.Positive stop end and the square groove mouth of combined floodgate block 6 lead the axial-rotation coordinating and limit combined floodgate block 6, to be coordinated with catch 51 by the axis of guide 62 that combined floodgate block 6 is arranged and positive stop end and the square groove mouth of combined floodgate block 6 leads the dual cooperation coordinated, the direction of motion of block can be controlled more accurately.The structure of separating brake block 9 and electromagnet 10, the axis of guide 92, catch 52, automatic-reset spring 8 and matching relationship is same as described above each other, repeats no more.
The setpoint distance ensureing to export angle and meet instructions for use is provided with between combined floodgate block 6 and separating brake block 9, combined floodgate block 6 is unidirectional spacing to spacing rotating disk 7 clockwise movement direction, separating brake block 9 is unidirectional spacing to spacing rotating disk 7 counterclockwise movement direction, namely combined floodgate block 6 is spacing in the direction of rotation of isolation combined floodgate and ground connection separating brake to spacing rotating disk 7, separating brake block 9 is spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk 7, by combined floodgate block 6, separating brake block 9 is to the one direction position-limiting action of spacing rotating disk 7, the output accuracy of operating mechanism can be ensured, reduce the debugging number of times that dispatches from the factory, enhance productivity.Travel switch comprises formation switch 1 and travel switch 11, travel switch 1 and combined floodgate block 6 be in transmission connection for isolate closes a floodgate and ground connection separating brake time order about combined floodgate block by driving mechanism and trigger the drive motors that starts single motor three station operating mechanism afterwards and order about combined floodgate block when isolating separating brake and contact of earth by spacing rotating disk 7 and trigger the drive motors disconnecting single motor three station operating mechanism afterwards, travel switch 11 and separating brake block 9 be in transmission connection for order about by driving mechanism the drive motors that starts single motor three station operating mechanism after separating brake block 9 triggers when isolate separating brake and contact of earth and isolate close a floodgate and ground connection separating brake time order about separating brake block by spacing rotating disk 7 and trigger the drive motors disconnecting single motor three station operating mechanism afterwards, the brake circuits of the drive motors of single motor three station operating mechanism starts after the motor of self disconnects simultaneously, correlation technique is prior art, repeat no more herein.Spacing rotating disk 7 is provided with spacing bearing pin 71, and combined floodgate block 6 and separating brake block 9, by rotating the spacing rotating disk 7 of spacing bearing pin 71 spacing realization restriction, by spacing to spacing bearing pin 71, can improve limit accuracy.
During installation, the cylinder of guide end 93 is passed automatic-reset spring 8, be installed in the square groove of back-up block 2, block guide end 93 cylinder passes in the manhole in square groove, then the axis of guide 92 of positive stop end 91 is passed in catch 52 long lumbar hole, catch 52 is fixed by screws on back-up block 2, the axis of guide 92 of positive stop end 91 block 52 long lumbar hole spacing under, automatic-reset spring 8 has certain pre-compression force, back-up block 2 overcomes back-moving spring 8 pre-compression force and can slide in square groove along back-up block 2 cell wall under the active force of electromagnet, when electromagnet active force disappears, under the reset force effect of back-moving spring 8, separating brake block 9 slides outside square groove along cell wall, finally in the spacing lower stopping of the catch 52 long lumbar hole other end.The installation method of combined floodgate block 6 is the same with separating brake block 9, repeats no more.Be connected with single motor three station operating mechanism output shaft by spacing rotating disk 7 in the mechanical latching protective device of described single motor three station operating mechanism, output shaft rotation can drive spacing rotating disk 7 axial-rotation.
Position shown in current Fig. 1 is three station isolation grounding switch open positions, when control system sends isolation reclosing command, the charged adhesive of electromagnet 3, combined floodgate block 6 is driven to move in square groove, guide end 63 presses travel switch 1 and is triggered, after travel switch 1 is triggered, the drive motors loop of single motor three station operating mechanism is connected, described drive motors drives single motor three station operating mechanism output shaft and spacing rotating disk 7 to install direction as shown and rotates clockwise, because electromagnet is in attracting state, the positive stop end 61 of combined floodgate block 6 is in square groove, spacing rotating disk 7 can be clockwise through, adhesive action due to electromagnet is that the instantaneous signal sent by control desk is carried out, electromagnet after Received signal strength disconnects after keeping attracting state setting-up time, under the effect of back-moving spring therein, reply voluntarily, combined floodgate block 6 moves and namely returns to spacing state under the effect of automatic-reset spring 4 outside square groove.When spacing rotating disk 7 is rotated clockwise to the contact of incline plane with separating brake block 9, due to separating brake block 9, to be only rotated counterclockwise direction to spacing rotating disk 7 spacing, so spacing rotating disk 7 can pass through separating brake block 9, when spacing rotating disk 7 is by separating brake block 9, spacing rotating disk 7 promotes separating brake block 9 and moves in square groove, separating brake block 9 triggers the operating state that travel switch 11 switches the drive motors of single motor three station operating mechanism, the drive motors loop of single motor three station operating mechanism disconnects, brake circuits is connected simultaneously, spacing rotating disk 7 continues rotation one segment distance in brake circuits brake process, separate with separating brake block 9, separating brake block 9 automatically recovers spacing state under the effect of automatic-reset spring 8, the drive motors stall at short notice of single motor three station operating mechanism, single motor three station operating mechanism stops action, isolating switch feed motion terminates.Starting brake circuits while the drive motors disconnection of single motor three station operating mechanism is prior art, introduces no longer in detail herein.When the drive motors normal braking of single motor three station operating mechanism, the spacing bearing pin 71 on spacing rotating disk 7 stops between combined floodgate block 6 and separating brake block 9; Long when braking, spacing rotating disk 7 upper limit bearing pin 71 with by the spacing stopping of combined floodgate block 6, the drive motors stall of single motor three station operating mechanism, ensure that the output accuracy of operating mechanism; When brake circuits breaks down or travel switch 11 breaks down, the drive motors loop of single motor three station operating mechanism can not power-off, spacing rotating disk 7 upper limit bearing pin 71 is by the spacing stopping of combined floodgate block 6, and mechanism's output shaft no longer rotates, and ensures that isolation earthing switch body preserves from.After isolation feed motion completes, when mechanical latching protective device and separating brake, state is identical.Otherwise during isolation separating brake, operating principle closes a floodgate identical with isolation, the drive motors action of single motor three station operating mechanism drives operating mechanism output shaft and spacing rotating disk 7 to install direction as shown and rotates counterclockwise.In like manner, contact of earth is identical with the sequence of movement and principle of isolating separating brake, and ground connection separating brake is identical with the sequence of movement that isolation is closed a floodgate and principle.
Embodiment 2: the difference of the present embodiment and embodiment 1 is only: as shown in Figure 5, Figure 6, described catch does not arrange long lumbar hole, the axis of guide of block is arranged on the one end contacted with travel switch, the notch of the square groove on back-up block is provided with a pair relative spacing chimb, when automatic-reset spring is arranged in square groove, the spacing lower automatic-reset spring of spacing chimb has certain pre-compression force.Other some embodiments are identical with embodiment 1, repeat no more.
In other embodiments of the invention, the automatic-reset spring described in above-described embodiment can also be disc spring, coordinate with back-up block and block the torsion spring installed; The driving mechanism that described relay can also be made up of PLC control device, motor, slider-crank mechanism, controls motor driven slider-crank mechanism by PLC control device and moves in the setting-up time met the demands; Described block can also swing and realize unidirectional spacing under the driving of drive unit; The axial-rotation of described block spacing can also only by the long lumbar hole on catch to coordinate with the axis of guide spacing or only by the positive stop end of block and the inwall of square groove lead coordinate spacing; Described spacing rotating disk can not also arrange spacing bearing pin, and stopping means is directly to spacing rotary disk limitation; Described square groove quantity can also be one, and the catch of square groove is arranged two long waist pilot holes coordinated with block, the one side that square groove mouth is relative arranges two manholes coordinated with block guide end; Described square groove can also be notch is square, and bottom land is circular combined type groove, can also be circular recess, rhombus groove, hexagon groove etc.; Described back-up block can not also be established, and the mechanical latching protective device of described single motor three station operating mechanism is directly installed on three position mechanism; The shape of described divide-shut brake block can also be sickleshaped.
The specific embodiment of a kind of single motor three station operating mechanism of the present invention: described single motor three station operating mechanism comprises mechanical latching protective device; the structure function of described Machine guarding is identical with the structure function described in the embodiment of the Machine guarding of above-mentioned a kind of single motor three station operating mechanism, repeats no more.
Claims (10)
1. the mechanical latching protective device of single motor three station operating mechanism, comprise for the spin-ended spacing rotating disk be assemblied on single motor three station operating mechanism output shaft, it is characterized in that: also comprise the stopping means limiting spacing dial rotation, stopping means comprises and is respectively used to the unidirectional spacing combined floodgate block of the rotation of spacing rotating disk and separating brake block, combined floodgate block is spacing in the direction of rotation of isolation combined floodgate and ground connection separating brake to spacing rotating disk, separating brake block is spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk, combined floodgate block is contrary with the spacing direction of separating brake block and be connected with separately can automatically reset driving mechanism and for ordering about its automatically reset elasticity reset device for what order about that it dodges spacing rotating disk, in addition, combined floodgate block be connected with for isolate close a floodgate and ground connection separating brake time to be ordered about the drive motors that starts single motor three station operating mechanism after combined floodgate block triggers by driving mechanism and ordered about by spacing rotating disk when isolating separating brake and contact of earth combined floodgate block trigger after first travel switch of drive motors of single motor three station operating mechanism of disconnection, separating brake block be connected with for order about by driving mechanism the drive motors that starts single motor three station operating mechanism after separating brake block triggers when isolating separating brake and contact of earth and isolate close a floodgate and ground connection separating brake time to be ordered about by spacing rotating disk separating brake block trigger after second travel switch of drive motors of single motor three station operating mechanism of disconnection.
2. the mechanical latching protective device of single motor three station operating mechanism according to claim 1; it is characterized in that: the mechanical latching protective device of described single motor three station operating mechanism also comprises back-up block; back-up block is provided with the groove coordinated that to lead with the block that closes a floodgate, separating brake block, is provided with the pilot hole coordinated that leads with combined floodgate block, separating brake block respectively in groove.
3. the mechanical latching protective device of single motor three station operating mechanism according to claim 2; it is characterized in that: the side of described groove is fix the catch be detachably fixedly connected with back-up block; described pilot hole is arranged on catch; pilot hole is long lumbar hole; elasticity reset device is fixed in groove; combined floodgate block, separating brake block being provided with to coordinate with pilot hole makes elasticity reset device be in its pre-compressed state and the axis of guide limiting guide vane end stop axial-rotation, and described driving mechanism drives combined floodgate block and separating brake block by the axis of guide.
4. the mechanical latching protective device of single motor three station operating mechanism according to Claims 2 or 3; it is characterized in that: described groove is provided with to lead with the block that closes a floodgate, separating brake block and coordinates the square groove mouth of same its axial-rotation of limit, being provided with for leading the through hole coordinating and control first and second travel switch with combined floodgate block, separating brake block with groove port opposite face.
5. the mechanical latching protective device of single motor three station operating mechanism according to any one of claim 1-3, is characterized in that: described driving mechanism is electromagnet.
6. the mechanical latching protective device of single motor three station operating mechanism according to any one of claim 1-3, is characterized in that: described spacing rotating disk is provided with the spacing pivot pin coordinated with stopping means spacing rotary disk limitation.
7. single motor three station operating mechanism, comprise mechanical latching protective device, described mechanical latching protective device comprises for the spin-ended spacing rotating disk be assemblied on single motor three station operating mechanism output shaft, it is characterized in that: described mechanical latching protective device also comprises the stopping means limiting spacing dial rotation, stopping means comprises and is respectively used to the unidirectional spacing combined floodgate block of the rotation of spacing rotating disk and separating brake block, combined floodgate block is spacing in the direction of rotation of isolation combined floodgate and ground connection separating brake to spacing rotating disk, separating brake block is spacing in the direction of rotation of isolation separating brake and contact of earth to spacing rotating disk, combined floodgate block is contrary with the spacing direction of separating brake block and be connected with separately can automatically reset driving mechanism and for ordering about its automatically reset elasticity reset device for what order about that it dodges spacing rotating disk, in addition, combined floodgate block be connected with for isolate close a floodgate and ground connection separating brake time to be ordered about the drive motors that starts single motor three station operating mechanism after combined floodgate block triggers by driving mechanism and ordered about by spacing rotating disk when isolating separating brake and contact of earth combined floodgate block trigger after first travel switch of drive motors of single motor three station operating mechanism of disconnection, separating brake block be connected with for order about by driving mechanism the drive motors that starts single motor three station operating mechanism after separating brake block triggers when isolating separating brake and contact of earth and isolate close a floodgate and ground connection separating brake time to be ordered about by spacing rotating disk separating brake block trigger after second travel switch of drive motors of single motor three station operating mechanism of disconnection.
8. single motor three station operating mechanism according to claim 7; it is characterized in that: described mechanical latching protective device also comprises back-up block; back-up block is provided with the groove coordinated that to lead with the block that closes a floodgate, separating brake block, is provided with the pilot hole coordinated that leads with combined floodgate block, separating brake block respectively in groove.
9. single motor three station operating mechanism according to claim 8, it is characterized in that: the side of described groove is fix the catch be detachably fixedly connected with back-up block, described pilot hole is arranged on catch, pilot hole is long lumbar hole, elasticity reset device is fixed in groove, combined floodgate block, separating brake block being provided with to coordinate with pilot hole makes elasticity reset device be in its pre-compressed state and the axis of guide limiting guide vane end stop axial-rotation, and described driving mechanism drives combined floodgate block and separating brake block by the axis of guide.
10. single motor three station operating mechanism according to any one of claim 7-9, is characterized in that: described spacing rotating disk is provided with the pivot pin coordinated with stopping means spacing rotary disk limitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN201510983557.6A CN105513877B (en) | 2015-12-24 | 2015-12-24 | A kind of station operating mechanism of single motor three and its mechanical latching protection device |
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| CN105513877B CN105513877B (en) | 2018-03-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531537A (en) * | 2016-11-25 | 2017-03-22 | 江苏省如高高压电器有限公司 | Isolating circuit breaker locking device |
| CN108615645A (en) * | 2018-07-16 | 2018-10-02 | 中国能源工程（海门）昌泰电气有限公司 | A kind of three station of Direct Action Type isolation operating mechanism and its control method using special-shaped axis positioning |
| CN108933057A (en) * | 2017-05-27 | 2018-12-04 | 河南森源电气股份有限公司 | Tri-station isolating switch and its travel switch |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
| CN111430193A (en) * | 2019-01-10 | 2020-07-17 | 南京捷泰电力设备有限公司 | Earth device of earth leakage protection circuit breaker |
| CN112701002A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-station operating mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200953288Y (en) * | 2006-04-07 | 2007-09-26 | 西安西开高压电气股份有限公司 | Electric operating mechanism for switch equipment |
| CN202434404U (en) * | 2011-12-27 | 2012-09-12 | 江苏大全长江电器股份有限公司 | Three-station disconnecting switch control system with standby protection |
| CN205384978U (en) * | 2015-12-24 | 2016-07-13 | 平高集团有限公司 | Single three station operating mechanisms in motor and mechanical latching protection device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531537A (en) * | 2016-11-25 | 2017-03-22 | 江苏省如高高压电器有限公司 | Isolating circuit breaker locking device |
| CN106531537B (en) * | 2016-11-25 | 2018-08-10 | 江苏省如高高压电器有限公司 | A kind of isolation circuit breakers close locking device |
| CN108933057A (en) * | 2017-05-27 | 2018-12-04 | 河南森源电气股份有限公司 | Tri-station isolating switch and its travel switch |
| CN108933057B (en) * | 2017-05-27 | 2024-01-19 | 河南森源电气股份有限公司 | Three-station isolating switch and travel switch thereof |
| CN108615645A (en) * | 2018-07-16 | 2018-10-02 | 中国能源工程（海门）昌泰电气有限公司 | A kind of three station of Direct Action Type isolation operating mechanism and its control method using special-shaped axis positioning |
| CN108615645B (en) * | 2018-07-16 | 2023-08-01 | 中国能源工程（海门）昌泰电气有限公司 | Direct-acting type three-station isolation operating mechanism positioned by special-shaped shaft and control method thereof |
| CN111430193A (en) * | 2019-01-10 | 2020-07-17 | 南京捷泰电力设备有限公司 | Earth device of earth leakage protection circuit breaker |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
| CN112701002A (en) * | 2020-12-14 | 2021-04-23 | 河南平高电气股份有限公司 | Three-station operating mechanism |
| CN112701002B (en) * | 2020-12-14 | 2023-08-25 | 河南平高电气股份有限公司 | Three-station operating mechanism |
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| CN105513877B (en) | 2018-03-23 |
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