CN207852529U - Switchgear and its disconnecting switch and breaker interlock - Google Patents
Switchgear and its disconnecting switch and breaker interlock Download PDFInfo
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- CN207852529U CN207852529U CN201820033778.6U CN201820033778U CN207852529U CN 207852529 U CN207852529 U CN 207852529U CN 201820033778 U CN201820033778 U CN 201820033778U CN 207852529 U CN207852529 U CN 207852529U
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- movable push
- breaker
- connecting lever
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- hole
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Abstract
The utility model is related to a kind of switchgear and its disconnecting switch and breaker interlocks, which includes movable push, button locking structure and the movable push lockable mechanism being arranged between movable push and the operating shaft of breaker；Movable push have block handle hole and and the corresponding initial bit of the breaker of combined floodgate and avoiding operation hole and evacuation corresponding with the breaker of separating brake position, button locking structure connect with movable push by drive mechanism so that movable push drives button locking structure releasing locking when driving button locking structure to stop combined floodgate button latch when being moved to evacuation position from initial bit, being restored to initial position；Movable push is locked in initial bit by movable push lockable mechanism in breaker closing, and the locking to movable push is released in breaker open operation.The utility model realizes that the mechanical interlocking between disconnecting switch and breaker controls, simple in structure, easy to operate, and will not increase the burden of disconnecting switch operating mechanism and breaker operation mechanism.
Description
Technical field
The utility model is related to a kind of switchgear and its disconnecting switch and breaker interlocks.
Background technology
Gas ring main unit is that country advocates a kind of switchgear used energetically.In gas ring main unit be equipped with disconnecting switch and
Breaker, disconnecting switch has three conducting, isolation and ground connection stations, therefore is also tri-station isolating switch.In the prior art,
Disconnecting switch mounting plate and breaker mounting plate, breaker operation mechanism and tri-station isolating switch actuating machine are equipped in ring main unit
Structure is separately mounted on breaker mounting plate and tri-station isolating switch mounting plate, is spaced apart on tri-station isolating switch mounting plate
It is grounded handle hole and isolation conducting operation equipped with isolation corresponding with the respective operations axis of tri-station isolating switch operating mechanism
Hole, when being operated to tri-station isolating switch, operation handle is penetrated in respective operations hole can be to tri-station isolating switch
Carry out isolation ground connection or isolation conducting operation.Breaker operation mechanism conjunction can be controlled by being typically provided on breaker mounting plate
The manual operation switch knob of lock presses switch knob, and the operating shaft rotation of breaker operation mechanism, breaker operation mechanism is just
Breaker closing can be driven.
Due to tri-station isolating switch self-characteristic determine its can not in on-load separating brake, three stations
Disconnecting switch must be operated with breaker according to fixed operation order.When operating tri-station isolating switch, breaker
It necessarily is in gate-dividing state, when breaker is in "on" position, operating personnel cannot operate tri-station isolating switch.And it grasps
Make personnel operating breaker cannot close a floodgate when operating tri-station isolating switch, therefore, it is necessary in tri-station isolating switch and break
Interlock is set between the device of road, to prevent maloperation.
A kind of disconnecting switch and vacuum as disclosed in the Chinese utility model patent that Authorization Notice No. is CN205354916U
Switch integrated operating mechanism, including the interlocking slide plate and interlocking baffle, interlocking slide plate that can move up and down are for breaker
Switch knob carries out the button locking structure of locking or unlock, and interlocking slide plate is connect with disconnecting switch cam drive, when keeping apart
When closing separating brake, disconnecting switch cam driven interlocking slide plate, which moves downward, makes barrier blocks thereon be moved to breaker closing button
Rear carries out locking to switch knob in turn, and when disconnecting switch is closed a floodgate, it is upward that disconnecting switch cam rotates backward interlocking slide plate
Movement makes barrier blocks thereon release the locking to switch knob.Interlocking baffle blocks isolator operation in breaker closing
Hole and earthing switch handle hole simultaneously get out of the way isolator operation hole and earthing switch handle hole, linkage block in breaker open operation
Plate is connect with the connecting lever piece on breaker operator main shaft.
Although integral operating mechanism can realize the interlocked control between breaker and disconnecting switch, earthing switch,
Be, due to interlocking slide plate connect with disconnecting switch cam drive, not only increase the load capacity of isolator operation shaft, and
Setting drive mechanism can also cause the complicated of mechanism between interlocking slide plate and disconnecting switch cam.Meanwhile interlocking slide plate
Interlocked control can be only realized between disconnecting switch, interlocked control can not be realized between earthing switch, i.e., in operational grounding
Locking can not be carried out to switch knob, there is interlocking loopholes when switch.
Utility model content
The purpose of this utility model is to provide a kind of switchgears, to solve disconnecting switch in the prior art and breaker
The technology of locking can not be carried out to the switch knob of breaker with the complicated of interlock and when operational grounding switchs
Problem.The purpose of this utility model also resides in a kind of disconnecting switch of offer and breaker interlock.
To achieve the above object, the technical solution of the utility model is：
The utility model disconnecting switch and the first technical solution of breaker interlock are：
Disconnecting switch and breaker interlock, including mounting plate, mounting plate are equipped with for controlling operating shaft rotation
Ex-situ operations are carried out with disconnecting switch operation operating mechanism to drive the switch knob of breaker closing, be inserted into for operation handle
Handle hole, the button locking structure for carrying out locking and unlock to switch knob, which further includes that activity is assemblied in
Movable push on mounting plate, movable push stop operation handle insertion operation hole and closing a floodgate with handle hole is blocked
The corresponding initial bit of breaker, movable push, which also has, does not stop operation handle insertion operation hole and separating brake breaker pair
The evacuation position answered, the interlock further include the resetting spring that movable push is maintained to initial bit, and movable push has for people
Hand, which applies, overcomes the active force of resetting spring to move movable push to the operation portion for avoiding position；Button locking structure is pushed away with activity
Plate is connected by drive mechanism so that movable push can drive button locking structure pair when being moved to evacuation position from initial bit
Switch knob carries out locking, button locking structure can be driven to release to switch knob when from evacuation bit recovery to initial position
Locking；Between the operating shaft and movable push be equipped with movable push lockable mechanism, movable push lockable mechanism include lock tongue,
With the lock of lock tongue cooperation being arranged in movable push, the lock tongue is with operating shaft transmission cooperation and with the conjunction with breaker
The corresponding first position of lock state and the second position corresponding with the gate-dividing state of breaker, lock tongue be in first position with it is described
Snap fit locks the movable push in initial bit, and lock tongue is in locking of the second position releasing to movable push.
The advantageous effects of the technical program are：The interlock includes being movably arranged on movable push on mounting plate,
Movable push has operation portion, and human hand, which pulls operation portion, to drive movable push to move left and right, and movable push is in initial position
When, at movable push gear handle hole on a mounting board, can not insertion operation handle tri-station isolating switch is operated, when
Movable push be moved to evacuation position when, movable push gets out of the way handle hole, can in handle hole insertion operation handle to keeping apart
It puts row operation into and realizes disconnecting switch transposition, when movable push is in evacuation position, movable push is pressed by drive mechanism driving
Button locking structure carries out locking to the switch knob of breaker, to avoid while disconnecting switch operation maloperation breaker close
Lock, when movable push is in initial position, the handle hole on mounting plate is blocked, and button locking structure is just released to closing a floodgate
The locking of button acts on.And also there is movable push lockable mechanism, activity pushes away between the operating shaft and movable push of breaker
Plate lockable mechanism carries out limit locking when breaker is in "on" position to movable push, and movable push is locked in initial bit
It sets, movable push can not be pulled and get out of the way handle hole, only when breaker is in open position, the just meeting of movable push lockable mechanism
Release the locking to movable push.Movable push in the utility model will not increase disconnecting switch actuating by pulling manually
The burden of mechanism, it is simple in structure and easy to operation.
The utility model disconnecting switch and second of technical solution of breaker interlock are：
On the basis of the first technical solution, described handle hole or so is arranged at intervals with two, two handle hole difference
For isolation conducting handle hole and isolation ground connection handle hole, the evacuation position of the movable push is divided into left evacuation position and right evacuation position,
Initial bit between left evacuation position and right evacuation position, the movable push got out of the way at left evacuation position isolation ground connection handle hole,
Got out of the way at right evacuation position isolation conducting handle hole, in initial bit when and meanwhile block isolation ground connection handle hole and isolation conducting operate
Hole.
The advantageous effects of the technical program are：Disconnecting switch is tri-station isolating switch, and handle hole is between left and right every setting
There are two setting, respectively isolation conducting handle hole and isolation ground connection handle hole, no matter disconnecting switch operation be isolated conducting or
Isolation ground connection, all can activation button locking structure to switch knob carry out locking, compensate for interlocking loophole in the prior art.
The utility model disconnecting switch and the third technical solution of breaker interlock are：In second of square foundation
On the basis of case, the drive mechanism includes the first connecting lever and the second connecting lever being hingedly connected on mounting plate, and the first connecting lever leans on
One end of nearly movable push offers long guiding hole, and the movable push is turned by the axis pin being arranged in long guiding hole with first
Arm is flexibly connected, and the second connecting lever is arranged at intervals with close to one end of the first connecting lever for one end pushing tow cooperation with the first connecting lever
First pushing part and for the second pushing part with the cooperation of the other end pushing tow of the first connecting lever, the movable push is moved from right to left
The first connecting lever is driven to rotate the first pushing part so that the second connecting lever of one end pushing tow of the first connecting lever when moving to left evacuation position, it is described
Movable push drives the first connecting lever to rotate the other end pushing tow second so that the first connecting lever when moving from left to right to right evacuation position
Second pushing part of connecting lever, second connecting lever drive button locking structure to the combined floodgate under the thrusting action of the first connecting lever
Button carries out locking.
The advantageous effect of the technical program is：There is provided a kind of drive mechanism of special construction so that movable push is at two
The locking effect to button locking structure can be realized when avoiding position.
The utility model disconnecting switch and the 4th kind of technical solution of breaker interlock are：
The first, second or on the basis of the third technical solution, the button locking structure includes being fixed on
Holder on mounting plate, the flapper being movably arranged on holder, the flapper pass through drive mechanism and movable push
Transmission cooperation is provided with spring between holder and flapper, the spring composition is described to be maintained at initial bit by movable push
Resetting spring.
The utility model disconnecting switch and the 5th kind of technical solution of breaker interlock are：
The first, second or on the basis of the third technical solution, the movable push lockable mechanism further includes
Cam structure for being fixed in the operating shaft of breaker, the lock tongue are that the interlocking that guiding movement is arranged on a mounting board is slided
Plate, the lock are the card being arranged in movable push for being inserted into and coordinating with interlocking slide plate block for interlocking one end of slide plate
Slot, the cam structure drive interlocking slide plate to be inserted into card slot in breaker closing and drive interlocking to be slided in breaker open operation
Plate is detached from card slot.
The first technical solution of the utility model switchgear is：
A kind of switchgear, including mounting plate, disconnecting switch operating mechanism, breaker operation mechanism, breaker operation mechanism
Operating shaft including driving breaker open operation, combined floodgate, mounting plate are equipped with for controlling operating shaft rotation to drive breaker to close
The switch knob of lock, for operation handle be inserted into disconnecting switch operation operating mechanism carry out ex-situ operations handle hole, for pair
Switch knob carries out the button locking structure of locking and unlock, further includes the movable push that activity is assemblied on mounting plate, activity
Push plate have block handle hole with stop operation handle insertion operation hole, with the corresponding initial bit of breaker of combined floodgate, also wrap
Include the resetting spring that movable push is maintained to initial bit, movable push also have do not stop operation handle insertion operation hole,
Evacuation corresponding with the breaker of separating brake position, movable push has overcomes the active force of resetting spring to live with mobile for human hand application
Operation portion of the dynamic push plate to evacuation position；Button locking structure connect by drive mechanism with movable push so that movable push from
Initial bit can drive button locking structure to carry out locking to switch knob, from evacuation bit recovery to first when being moved to evacuation position
Button locking structure can be driven to release the locking to switch knob when beginning position；It is equipped between the operating shaft and movable push
Movable push lockable mechanism, movable push lockable mechanism include the lock of lock tongue and lock tongue cooperation being arranged in movable push,
The lock tongue has first position and the second position with the switching on and off state that operating shaft is driven cooperation and is capable of corresponding breaker,
Lock tongue is in first position and locks the movable push in initial bit with the snap fit, and lock tongue is in second position releasing
Locking to movable push.
Second of technical solution of the utility model switchgear be：
On the basis of the first technical solution, described handle hole or so is arranged at intervals with two, two handle hole difference
For isolation conducting handle hole and isolation ground connection handle hole, the evacuation position of the movable push is divided into left evacuation position and right evacuation position,
Initial bit between left evacuation position and right evacuation position, the movable push got out of the way at left evacuation position isolation ground connection handle hole,
Got out of the way at right evacuation position isolation conducting handle hole, in initial bit when and meanwhile block isolation ground connection handle hole and isolation conducting operate
Hole.
The third technical solution of the utility model switchgear is：
On the basis of second of base case, the drive mechanism includes the first connecting lever being hingedly connected on mounting plate
With the second connecting lever, the first connecting lever offers long guiding hole close to one end of movable push, and the movable push is led by being arranged in
Axis pin into slot hole is flexibly connected with the first connecting lever, and the second connecting lever is arranged at intervals with close to one end of the first connecting lever for
First pushing part of one end pushing tow cooperation of one connecting lever and the second pushing part for coordinating with the other end pushing tow of the first connecting lever,
The movable push drive the first connecting lever to rotate when being moved to left evacuation position from right to left so that the first connecting lever one end pushing tow the
First pushing part of two connecting levers, the movable push drive the first connecting lever to rotate so that the when moving from left to right to right evacuation position
Second pushing part of the second connecting lever of other end pushing tow of one connecting lever, second connecting lever drive under the thrusting action of the first connecting lever
Button locking structure carries out locking to the switch knob.
4th kind of technical solution of the utility model switchgear be：
The first, second or on the basis of the third technical solution, the button locking structure includes being fixed on
Holder on mounting plate, the flapper being movably arranged on holder, the flapper pass through drive mechanism and movable push
Transmission cooperation is provided with spring between holder and flapper, the spring composition is described to be maintained at initial bit by movable push
Resetting spring.
5th kind of technical solution of the utility model switchgear be：
The first, second or on the basis of the third technical solution, the movable push lockable mechanism further includes
Cam structure for being fixed in the operating shaft of breaker, the lock tongue are that the interlocking that guiding movement is arranged on a mounting board is slided
Plate, the lock are the card being arranged in movable push for being inserted into and coordinating with interlocking slide plate block for interlocking one end of slide plate
Slot, the cam structure drive interlocking slide plate to be inserted into card slot in breaker closing and drive interlocking to be slided in breaker open operation
Plate is detached from card slot.
Description of the drawings
Fig. 1 be the utility model switchgear embodiment 1 in disconnecting switch and breaker interlock structural representation
Figure；
Fig. 2 is the dimensional structure diagram of Fig. 1（Remove the second connecting lever）；
Fig. 3 installs for movable push, the first connecting lever, slide plate and disconnecting switch in the embodiment 1 of the utility model switchgear
The assembling schematic diagram of plate；
Fig. 4 illustrates for the cooperation of combined floodgate connecting rod, flapper, the second connecting lever in the embodiment 1 of the utility model switchgear
Figure；
Fig. 5 be the utility model switchgear embodiment 1 in combined floodgate connecting rod, flapper assembling schematic diagram；
Fig. 6 is in status diagram when initial position for movable push in the embodiment 1 of the utility model switchgear；
Fig. 7 is moved to status diagram when left evacuation position for movable push in the embodiment 1 of the utility model switchgear；
Fig. 8 is moved to status diagram when right evacuation position for movable push in the embodiment 1 of the utility model switchgear；
In figure, 1, cam structure, 2, interlocking slide plate, 21, stop section, 23, turn edge, 3, movable push, 31, operation portion, 33,
Registration holes, 34, block, 35, card slot, 4, operating shaft, 5, switch knob, 6, combined floodgate connecting plate, 7, holder, 8, resetting spring, 9, living
Dynamic baffle, 91, limiting section, the 10, second connecting lever, the 101, first pushing part, the 102, second pushing part, 103, third pushing part, 11,
First connecting lever, the 112, first auxiliary section, the 113, second auxiliary section, 114, slot hole, 12, disconnecting switch mounting plate, 121, isolation leads
Logical handle hole, 122, location hole, 123, isolation ground connection handle hole, 124, square hole, 14, breaker mounting plate.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
A kind of specific embodiment 1 of switchgear of the utility model, in the present embodiment, switchgear is gas ring main unit, such as Fig. 1
Shown in Fig. 8, ring main unit includes the disconnecting switch being arranged in cabinet, breaker, disconnecting switch operating mechanism and breaker actuating
Mechanism, the ring main unit further include the interlock for realizing interlocked control between disconnecting switch and breaker.There is peace in ring main unit
Loading board, mounting plate are divided into disconnecting switch mounting plate 12 and breaker mounting plate 14, and the rotation of operating shaft 4 of breaker operation mechanism is set
It sets on breaker mounting plate 14, operating shaft 4 rotates clockwise driving breaker closing, and operating shaft rotates counterclockwise driving open circuit
Device separating brake.It is also equipped on breaker mounting plate 14 and is rotated clockwise for controlling operating shaft to drive the combined floodgate of breaker closing
Button 5, switch knob 5 are mounted on by combined floodgate connecting plate 6 on breaker mounting plate 14, when carrying out closing operation to breaker,
Switch knob 5 is pressed, operating shaft 4 rotates clockwise realization breaker closing.It is offered on disconnecting switch mounting plate 12 for operation
Handle is inserted into the handle hole that ex-situ operations are carried out with disconnecting switch operation operating mechanism, and in the present embodiment, disconnecting switch is three works
Position disconnecting switch, there are three station, on disconnecting switch mounting plate 12, left and right is spaced apart tri-station isolating switch tool is equipped with two behaviour
Make hole, wherein the handle hole positioned at left side is isolation conducting handle hole 121, the handle hole for being located at right side is isolation ground connection handle hole
123；In use, isolation conducting handle hole 121 is corresponding with the isolation of disconnecting switch operating mechanism conducting operating shaft, isolation ground connection
Handle hole 123 is corresponding with the isolation of disconnecting switch operating mechanism conducting operating shaft.It is operated to tri-station isolating switch
When, operation handle is inserted into isolation ground connection handle hole 123, the action of disconnecting switch operating mechanism is driven by operation handle, it is real
Existing conversion tri-station isolating switch isolation station and be grounded between station；Operation handle is inserted into isolation conducting handle hole 121
In, the action of disconnecting switch operating mechanism is driven by operation handle, isolation station is realized and the conversion between station is connected.
The interlock includes the movable push 3 being movably arranged on disconnecting switch mounting plate 12, and movable push 13 can
Guiding movement in left-right direction.In the present embodiment, the slotted hole 36 extended in left-right direction is offered in movable push 3, activity
Push plate 3 is movably arranged on by the fixed pin being threaded through in slotted hole 36 on disconnecting switch mounting plate.The upper end edge of movable push 3
Edge has operation portion 31, and the square hole 124 being pierced by for operation portion 31, leftward or rightward hand are offered on disconnecting switch mounting plate 12
It is dynamic to pull operation portion 31 and drive 3 leftward or rightward guiding movement of movable push.The lower edge of movable push 3 has between left and right
Every two blocks 34 of distribution, two blocks 34 are corresponded with two handle holes on disconnecting switch mounting plate, 34 structure of block
At the stop section for blocking and getting out of the way handle hole.Movable push 3 has on the path of left and right guiding movement blocks operation
Hole also has with the corresponding initial bit of stop operation handle insertion operation hole and breaker with combined floodgate and does not stop operation handle
Insertion operation hole, evacuation corresponding with the breaker of separating brake position, evacuation position are divided into left evacuation position and right evacuation position, initial bit position
Between left and right evacuation position, movable push is moved to the left by initial bit and reaches left evacuation position, is moved right and is reached right evacuation position.
Movable push 3 is in initial position, state as shown in Figure 6, and two blocks are kept off before two handle holes respectively to prevent operation
Handle is inserted into respective operations hole.When movable push 3 is moved to left evacuation position from right to left, state as shown in Figure 7, right side
Block 34 gets out of the way the isolation ground connection handle hole 123 on right side, and the isolation conducting handle hole 121 in left side is blocked by the block 34 on right side,
At this time movable push 3 be located at isolation earthing position, be merely able to isolation be grounded handle hole in three station of insertion operation handle pair every
It leaves and puts row ground connection operation into, insertion operation handle in no normal direction isolation conducting handle hole.When movable push 3 moves right to the right side
When avoiding position, the block 34 of state as shown in Figure 8, left side gets out of the way the isolation conducting handle hole 121 in left side, the isolation ground connection on right side
Handle hole 123 is blocked by the block in left side, and movable push is located at isolation conduction position at this time, is merely able to that handle hole is connected in isolation
Middle insertion operation handle carries out conducting operation to tri-station isolating switch, and no normal direction isolation is grounded insertion operation hand in handle hole
Handle since movable push 3 only gets out of the way a handle hole in isolation earthing position or isolation conduction position, and then prevents simultaneously
Tri-station isolating switch ground connection and conducting are operated, maloperation is prevented.
Button locking structure for carrying out locking and unlock to switch knob 5 is installed on breaker mounting plate 14, is pressed
Button locking structure includes the holder 7 being installed on breaker mounting plate 14, is oriented on holder 7 and is equipped with flapper 9, active catch
Resetting spring 8 is equipped between plate 9 and holder 7, the lower end of flapper 9 is for coordinating to prevent to close a floodgate with the limit of combined floodgate connecting plate
The limiting section 91 that button is pressed.Under original state, state as shown in Figure 6, flapper 9 allows switching connecting plate 6.Work as active catch
Plate 9 moves down, and resetting spring 8 is compressed, and the lower end of flapper reaches 6 front of combined floodgate connecting plate, and then prevents combined floodgate connecting plate
One end is upturned, and realizes the locking to switch knob 5.When release flapper 9, effect of the flapper 9 in resetting spring 8
Under allow switching connecting plate, release and the locking of switch knob acted on.
Movable push 3 and the flapper 9 of button locking structure are sequentially connected by drive mechanism, when movable push is in
Left evacuation position or in right evacuation position when, movable push 3 overcomes the elastic force of resetting spring 8 by drive mechanism by drives active catch
Plate 9 moves, and flapper 9 carries out locking to switch knob, when unclamping movable push 3, is acted in the elastic force of resetting spring 8
Under, flapper 9 automatically resets and gets out of the way switch knob, while driving movable push 3 to be restored to initial bit by drive mechanism,
The resetting spring 8 constitutes the resetting structure that movable push is maintained to initial bit.Drive mechanism includes being articulated with disconnecting switch
The first connecting lever 11 and the second connecting lever 10, the hinge axes of the two on mounting plate are each perpendicular to the thickness side of disconnecting switch mounting plate
To the first connecting lever 11 and the second connecting lever 10 can rotate in perpendicular, movable push 3, the first connecting lever 11, the second connecting lever 10
It is distributed in order in vertical plane, installation operation is simple and occupies little space.One end of the close movable push of first connecting lever 11
It is connect by axis pin with the right end of movable push, axis pin is fixed in movable push 3, and long guiding hole is offered on the first connecting lever 11
114, axis pin be threaded through in long guiding hole 114 and can along long guiding hole guiding movement, the separate movable push of the first connecting lever 11
One end has the first auxiliary section 112 for coordinating with the second connecting lever pushing tow, one end tool of the close movable push of the first connecting lever
It is useful for the second auxiliary section 113 coordinated with the second connecting lever pushing tow.The top of second connecting lever 10 up and down be arranged at intervals with for
First pushing part 101 of the first auxiliary section 112 pushing tow cooperation of the first connecting lever and for the second auxiliary section 113 with the first connecting lever
Second pushing part 102 of pushing tow cooperation, the first pushing part 101 are located at the top of the second pushing part 102, the lower part of the second connecting lever 10
With the third pushing part 103 for coordinating with 9 pushing tow of flapper.In the initial state, state as shown in Figure 6 resets bullet
Spring 8 drives flapper by switching connecting plate, and flapper 9 and 10 pushing tow of the second connecting lever coordinate, and the of 10 top of the second connecting lever
112 pushing tow of the first auxiliary section of one pushing part 101 and the first connecting lever 11 coordinates so that movable push 3 rests at initial bit, should
Two blocks of movable push 3 are kept off respectively before respective operations hole at position, and then prevent operation tri-station isolating switch, at this time may be used
To carry out closing operation to breaker.When movable push 3 is moved to the left left evacuation position, state as shown in Figure 7, block 34 allows
Isolation ground connection handle hole 123 is opened, movable push drives the first connecting lever to rotate clockwise, and the upper end of the first connecting lever moves down and pushes up
The first pushing part for pushing away the second connecting lever, makes that the lower end of the second connecting lever moves down and pushing tow flapper 9 moves down, and makes activity
The gear of baffle 9 prevents the operation to switch knob 5 in the front of combined floodgate connecting plate 6, at this time can to tri-station isolating switch into
Row isolation ground connection operation.When unclamping movable push 3, under the action of resetting spring 8, flapper 9 pops up, and passes through
Two connecting levers and the first connecting lever drive movable push 3 to be restored to initial bit.It moves right to right evacuation position when pulling movable push 3
When, state as shown in Figure 8, block 34 gets out of the way isolation conducting handle hole 121, and movable push 3 drives the first connecting lever 11 to rotate backward,
The lower end of first connecting lever 11 moves down and the second pushing part of the second connecting lever of pushing tow 10, and the lower end of the second connecting lever is made to move down
And pushing tow flapper 9 moves down, and makes the gear of flapper 9 in the front of combined floodgate connecting plate 6, and then prevent the behaviour to switch knob
Make, isolation conducting operation can be carried out to tri-station isolating switch at this time.In the utility model, no matter movable push to the left or
It moves right, flapper can be driven to move down by drive mechanism, flapper carries out block to combined floodgate connecting plate, real
When now operating tri-station isolating switch closing operation can not be carried out to breaker.
Between operating shaft 4 and movable push 3 be equipped with movable push lockable mechanism, movable push lockable mechanism include lock tongue,
With the lock of lock tongue cooperation, in the present embodiment, lock tongue is the up and down interlocking slide plate 2 on disconnecting switch mounting plate,
Lock is the card slot 35 being arranged in movable push for being inserted into and coordinating with interlocking slide plate block for interlocking the upper end of slide plate, behaviour
Make to be fixed with cam structure 1 on axis 4, the lower end of interlocking slide plate 2 has for turning edge 23 with what 1 pushing tow of cam structure coordinate, joins
The upper end of slide plate 2 is locked with the stop section 21 for coordinating with movable push block.Interlock slide plate 2 and operating shaft transmission cooperation and
With and the corresponding first position of the "on" position of the breaker and second position corresponding with the gate-dividing state of breaker；Work as open circuit
When device carries out closing operation, operating shaft 4 rotates clockwise, and the 1 upward pushing tow of cam structure in operating shaft interlocks slide plate 2 so that
The stop section 21 for interlocking 2 upper end of slide plate is inserted into the card slot of movable push, is interlocked slide plate 2 at this time and is in first position, and then is right
Movable push carries out limit locking, movable push can not be pushed to operate tri-station isolating switch after breaker closing, when
When breaker carries out sub-switching operation, operating shaft 4 rotates backward, and the cam structure in operating shaft rotates down, and interlocking slide plate 2 is in weight
It falls under force effect, interlocks slide plate 2 at this time and be in the second position and release the locking to movable push.
The utility model tri-station isolating switch and the operation principle of breaker interlock are：It is closed when breaker is in
When lock state, the 1 upward pushing tow of cam structure in operating shaft 4 interlocks slide plate 2, the stop section insertion activity on 2 top of interlocking slide plate
In the card slot 35 of push plate 3, and then limit locking is carried out to movable push 3, movable push 3 can not be pulled to evacuation position to get out of the way behaviour
Make hole, and then also just can not be inserted into corresponding handle hole using operation handle to operate tri-station isolating switch.At breaker
When gate-dividing state, cam structure in operating shaft 4 is detached from interlocking slide plate 2, interlocking slide plate 2 fall under gravity and from
Movable push 3 is opened, movable push 3 can be stirred at this time so that handle hole is got out of the way, and then can be inserted into corresponding operating hole
Operation handle operates tri-station isolating switch.
When operating tri-station isolating switch, if stirring movable push 3 to the left, block 34 gets out of the way the isolation ground connection behaviour on right side
Make hole 123, the isolation conducting handle hole 121 in left side is blocked by block, and movable push 3 drives the rotation of the first connecting lever 11, and first turns
The upper end of arm moves down and the first pushing part of the second connecting lever of pushing tow, and the lower end of the second connecting lever is made to move down simultaneously pushing tow activity
Baffle 9 moves down, and the gear of flapper 9 is made to be limited in the front of combined floodgate connecting plate 6, and then to switch knob 5, at this time can be with
Isolation ground connection operation is carried out to tri-station isolating switch.If stirring movable push 3 to the right, the isolation that block 34 gets out of the way left side is led
The isolation ground connection handle hole of logical handle hole 121, right side is blocked by block, and movable push 3 drives the first connecting lever to rotate backward, and first
The lower end of connecting lever moves down and the second pushing part of the second connecting lever of pushing tow, and the lower end of the second connecting lever 10 is made to move down simultaneously pushing tow
Flapper 9 moves down, and so that flapper gear is limited in the front of combined floodgate connecting plate, and then to switch knob, at this time may be used
To carry out isolation conducting operation to tri-station isolating switch.
In the present embodiment, movable push 3, the first connecting lever 11, the second connecting lever 10, flapper 9, interlocking slide plate 2 and cam
Structure 1 is integrally formed by plank to be arranged, and processing and fabricating is convenient.Left, center, right three are arranged at intervals on disconnecting switch mounting plate 12
A location hole 122, opens up that there are one registration holes 33 in movable push 3, when movable push 3 is in initial position, movable push 3
On registration holes it is corresponding with intermediate location hole, when movable push reaches isolation earthing position, registration holes and left side are determined
Position hole is corresponding, indicates movable push movement in place；When movable push 3 reaches isolation conduction position, registration holes and right side
Location hole is corresponding, indicates movable push movement in place.
In other embodiments, drive mechanism can also be the rack-and-pinion knot between connection movable push and flapper
Structure, gear ＆ rack structure include being oriented to the horizontal tooth bar being slidably mounted on disconnecting switch mounting plate, and horizontal tooth bar is pushed away with activity
Plate connects, and is rotated on disconnecting switch mounting plate and is provided with gear, the outer rim of gear is arranged at intervals with for pressing flapper
Convex block, flapper are vertically arranged, and when movable push is moved to the left, rack is moved to the left, and driving gear rotates clockwise, gear
On convex block press down on flapper, make flapper locking switch knob, on the contrary, when movable push moves right, tooth
Wheel rotates backward, the downward top pressure flapper of the convex block on gear.Gear ＆ rack structure may be replaced by cam structure.Interlocking
Slide plate can directly be sequentially connected with operating shaft.
In other embodiments, disconnecting switch can also be two stations, i.e., only there are one handle holes on mounting plate, movable at this time
Only there are one evacuation positions for push plate, and a pushing part can only be arranged on the second connecting lever of drive mechanism.First connecting lever and second
Connecting lever can also be articulated and connected.
In other embodiments, the second connecting lever of drive mechanism can also be articulated and connected with flapper, and resetting spring is set
It sets between movable push and mounting plate.The specific embodiment of disconnecting switch and breaker interlock in the utility model,
The structure of the interlock such as the interlock in above-described embodiment repeat no more to avoid repeating.
Claims (10)
1. disconnecting switch and breaker interlock, including mounting plate, mounting plate be equipped with for control operating shaft rotation with
It drives the switch knob of breaker closing, be inserted into the behaviour for carrying out ex-situ operations with disconnecting switch operation operating mechanism for operation handle
Make hole, the button locking structure for carrying out locking and unlock to switch knob, which is characterized in that the interlock further includes living
The dynamic movable push being assemblied on mounting plate, movable push have block handle hole with stop operation handle insertion operation hole,
Initial bit corresponding with the breaker of combined floodgate, movable push are also operation handle insertion operation hole and separating brake with not stopping
The corresponding evacuation position of breaker, the interlock further include the resetting spring that movable push is maintained to initial bit, movable push
The active force of resetting spring is overcome to move movable push to the operation portion for avoiding position with applying for human hand；Button locking structure
It is connect by drive mechanism so that movable push can drive button latch when being moved to evacuation position from initial bit with movable push
Only structure carries out locking to switch knob, can drive the releasing pair of button locking structure when from evacuation bit recovery to initial position
The locking of switch knob；Movable push lockable mechanism, movable push lockable mechanism are equipped between the operating shaft and movable push
The lock being arranged in movable push including lock tongue, with lock tongue cooperation, the lock tongue and operating shaft transmission cooperation and with
The corresponding first position of "on" position and the second position corresponding with the gate-dividing state of breaker of breaker, lock tongue are in first
Position locks the movable push in initial bit with the snap fit, and lock tongue is in the second position and releases to movable push
Locking.
2. disconnecting switch according to claim 1 and breaker interlock, which is characterized in that described handle hole or so
Two are arranged at intervals with, two handle holes are respectively that conducting handle hole and isolation ground connection handle hole is isolated, the movable push
Evacuation position is divided into left evacuation position and right evacuation position, and between left evacuation position and right evacuation position, the movable push exists initial bit
Got out of the way when left evacuation position isolation ground connection handle hole, get out of the way at right evacuation position isolation handle hole is connected, in initial bit when and meanwhile hide
It blocks from ground connection handle hole and isolation conducting handle hole.
3. disconnecting switch according to claim 2 and breaker interlock, which is characterized in that the drive mechanism packet
The first connecting lever and the second connecting lever being hingedly connected on mounting plate are included, the first connecting lever offers guiding close to one end of movable push
Slot hole, the movable push are flexibly connected by the axis pin being arranged in long guiding hole with the first connecting lever, and the second connecting lever is close to
One end of one connecting lever is arranged at intervals with for the first pushing part of one end pushing tow cooperation with the first connecting lever and for being turned with first
Second pushing part of the other end pushing tow cooperation of arm drives first to turn when the movable push is moved to left evacuation position from right to left
Arm rotates the first pushing part so that the second connecting lever of one end pushing tow of the first connecting lever, and the movable push is moved from left to right to the right side
Avoid position when drive the first connecting lever rotate so that the second connecting lever of other end pushing tow of the first connecting lever the second pushing part, described second
Connecting lever drives button locking structure to carry out locking to the switch knob under the thrusting action of the first connecting lever.
4. the disconnecting switch according to claim 1-3 any one and breaker interlock, which is characterized in that described
Button locking structure includes fixed holder on a mounting board, the flapper being movably arranged on holder, the flapper
Coordinated by drive mechanism and movable push transmission, be provided with spring between holder and flapper, described in the spring is constituted
Movable push is maintained to the resetting spring of initial bit.
5. the disconnecting switch according to claim 1-3 any one and breaker interlock, which is characterized in that described
Movable push lockable mechanism further includes the cam structure for being fixed in the operating shaft of breaker, and the lock tongue is guiding movement
Interlocking slide plate on a mounting board is set, and the lock is used to be inserted into simultaneously for the one end for interlocking slide plate to be arranged in movable push
With interlocking slide plate block cooperation card slot, the cam structure drive in breaker closing interlocking slide plate insertion card slot in and
Interlocking slide plate is driven to be detached from card slot when breaker open operation.
6. a kind of switchgear, including mounting plate, disconnecting switch operating mechanism, breaker operation mechanism, breaker operation mechanism packet
The operating shaft of driving breaker open operation, combined floodgate is included, mounting plate is equipped with for controlling operating shaft rotation to drive breaker closing
Switch knob, for operation handle be inserted into disconnecting switch operation operating mechanism carry out ex-situ operations handle hole, be used for pairing
Lock button carries out the button locking structure of locking and unlock, which is characterized in that further includes the activity that activity is assemblied on mounting plate
Push plate, movable push have block handle hole with stop operation handle insertion operation hole, with close a floodgate breaker it is corresponding at the beginning of
Beginning position further includes the resetting spring that movable push is maintained to initial bit, and movable push, which also has, does not stop that operation handle is inserted into
Handle hole, evacuation corresponding with the breaker of separating brake position, movable push have the function of overcoming resetting spring for human hand application
Power is to move movable push to the operation portion for avoiding position；Button locking structure is connect with movable push by drive mechanism so that living
Dynamic push plate can drive button locking structure to carry out locking to switch knob, from evacuation when being moved to evacuation position from initial bit
Bit recovery is released to the locking of switch knob to can drive button locking structure when initial position；The operating shaft is pushed away with activity
Movable push lockable mechanism is equipped between plate, movable push lockable mechanism includes that lock tongue, the setting coordinated with lock tongue are pushed away in activity
Lock on plate, the lock tongue have first position with the switching on and off state that operating shaft is driven cooperation and is capable of corresponding breaker
And the second position, lock tongue are in first position and lock the movable push in initial bit with the snap fit, lock tongue is in
The second position releases the locking to movable push.
7. switchgear according to claim 6, which is characterized in that described handle hole or so is arranged at intervals with two, two
Handle hole is respectively that conducting handle hole and isolation ground connection handle hole is isolated, the evacuation position of the movable push be divided into left evacuation position with
Right evacuation position, initial bit between left evacuation position and right evacuation position, get out of the way isolation at left evacuation position and connect by the movable push
Ground handle hole, got out of the way at right evacuation position isolation conducting handle hole, in initial bit when and meanwhile block isolation be grounded handle hole and every
From conducting handle hole.
8. switchgear according to claim 7, which is characterized in that the drive mechanism includes being hingedly connected on mounting plate
The first connecting lever and the second connecting lever, the first connecting lever offers long guiding hole close to one end of movable push, and the movable push is logical
It crosses the axis pin being arranged in long guiding hole to be flexibly connected with the first connecting lever, the second connecting lever is arranged close to one end interval of the first connecting lever
Be useful for the first pushing part of one end pushing tow of the first connecting lever cooperation and for the cooperation of the other end pushing tow of the first connecting lever
Second pushing part, the movable push drive the first connecting lever to rotate so that first connecting lever when being moved to left evacuation position from right to left
First pushing part of the second connecting lever of one end pushing tow, the movable push drive the first connecting lever when moving from left to right to right evacuation position
Rotate the second pushing part so that the second connecting lever of other end pushing tow of the first connecting lever, pushing tow of second connecting lever in the first connecting lever
Button locking structure is driven to carry out locking to the switch knob under effect.
9. according to the switchgear described in claim 6-8 any one, which is characterized in that the button locking structure includes fixing
Holder on a mounting board, the flapper being movably arranged on holder, the flapper are pushed away by drive mechanism and activity
Plate transmission cooperation is provided with spring between holder and flapper, the spring composition is described to be maintained at initial by movable push
The resetting spring of position.
10. according to the switchgear described in claim 6-8 any one, which is characterized in that the movable push lockable mechanism is also
Include the cam structure for being fixed in the operating shaft of breaker, the lock tongue is the connection of guiding movement setting on a mounting board
Slide plate is locked, the lock is to be arranged in movable push for being inserted into for one end of interlocking slide plate and coordinating with interlocking slide plate block
Card slot, the cam structure drives interlocking slide plate to be inserted into card slot and drive in breaker open operation connection in breaker closing
It locks slide plate and is detached from card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033778.6U CN207852529U (en) | 2018-01-09 | 2018-01-09 | Switchgear and its disconnecting switch and breaker interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820033778.6U CN207852529U (en) | 2018-01-09 | 2018-01-09 | Switchgear and its disconnecting switch and breaker interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852529U true CN207852529U (en) | 2018-09-11 |
Family
ID=63417727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820033778.6U Withdrawn - After Issue CN207852529U (en) | 2018-01-09 | 2018-01-09 | Switchgear and its disconnecting switch and breaker interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852529U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108320946A (en) * | 2018-01-09 | 2018-07-24 | 河南森源电气股份有限公司 | A kind of switchgear and its disconnecting switch and breaker interlock |
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| CN109524257A (en) * | 2018-12-29 | 2019-03-26 | 宁波天安智能电网科技股份有限公司 | A kind of interlocking mechanism of integral switch mechanism |
| CN111192785A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
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| CN108320946A (en) * | 2018-01-09 | 2018-07-24 | 河南森源电气股份有限公司 | A kind of switchgear and its disconnecting switch and breaker interlock |
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| CN109494112A (en) * | 2018-11-28 | 2019-03-19 | 河北科力恒久智能开关有限公司 | A kind of vacuum switch ring network cabinet operating mechanism |
| CN109524257B (en) * | 2018-12-29 | 2023-08-29 | 宁波天安智能电网科技股份有限公司 | Interlocking mechanism of integrated switch mechanism |
| CN109524257A (en) * | 2018-12-29 | 2019-03-26 | 宁波天安智能电网科技股份有限公司 | A kind of interlocking mechanism of integral switch mechanism |
| CN111192785A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
| CN111192785B (en) * | 2019-12-20 | 2021-12-17 | 河南平高电气股份有限公司 | Mechanical locking device for isolating switch and grounding switch |
| CN111681902B (en) * | 2020-05-06 | 2022-10-04 | 许继集团有限公司 | Switchgear and opening and closing single-shaft operation limiting structure thereof |
| CN111681902A (en) * | 2020-05-06 | 2020-09-18 | 许继集团有限公司 | Switchgear and opening and closing single-shaft operation limiting structure thereof |
| CN114597091A (en) * | 2021-11-30 | 2022-06-07 | 俊郎电气有限公司 | Outdoor vacuum circuit breaker |
| CN114597091B (en) * | 2021-11-30 | 2024-01-05 | 俊郎电气有限公司 | Outdoor vacuum circuit breaker |
| CN114530347A (en) * | 2022-04-24 | 2022-05-24 | 江苏大烨智能电气股份有限公司 | Interlocking device of disconnecting switch |
| CN116667209A (en) * | 2023-06-08 | 2023-08-29 | 南通华为电力设备有限公司 | Drawer bin interlocking device for low-voltage switch cabinet |
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