CN110165596A - Interlock is inserted in distribution switchgear and its aviation - Google Patents
Interlock is inserted in distribution switchgear and its aviation Download PDFInfo
- Publication number
- CN110165596A CN110165596A CN201910426893.9A CN201910426893A CN110165596A CN 110165596 A CN110165596 A CN 110165596A CN 201910426893 A CN201910426893 A CN 201910426893A CN 110165596 A CN110165596 A CN 110165596A
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- Prior art keywords
- plate
- fixed plate
- fixed
- connecting lever
- interlocking
- Prior art date
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- 238000009826 distribution Methods 0.000 title claims abstract description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 16
- 238000009434 installation Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
Abstract
Interlock and distribution switchgear are inserted in a kind of aviation, which includes that interlock is inserted in cabinet body, handcart and aviation.It includes pedestal, connecting lever, sliding panel, pull lever and interlocking plate that interlock is inserted in the aviation.The first fixed plate and the second fixed plate that pedestal includes offer card slot and slit in first fixed plate.Connecting lever is fixed in the second fixed plate, and the first end of connecting lever is provided with idler wheel, and second end is tilted and is interspersed in the slit of the first fixed plate.Sliding panel is installed in the first fixed plate and covers the card slot in the first fixed plate.It is perforative through slot that sliding panel offers the connecting lever for tilting.Interlocking plate is mounted on the second fixed plate, and the outer end for interlocking plate is prominent, and the door-plate of distribution switchgear is stopped to be closed.When the second end of connecting lever moves up, sliding panel can be pulled, and when the card slot being pulled in the first fixed plate exposes, interlocking plate is inside contracted under the effect of external force and is inserted into the card slot of the first fixed plate and sliding panel, and door-plate can close.
Description
Technical field
This disclosure relates to which interlock is inserted in high-voltage switch gear field, in particular to a kind of distribution switchgear and its aviation.
Background technique
Distribution switchgear is a kind of common distribution switchgear, and voltage is up to 3.6kV~40.5kV.At present mostly
Number distribution switchgear is armored withdraw type, i.e., the form of mobile handcart and the cooperation of distribution switchgear body.Two on handcart
Item is connected by the electric elements inside of aviation plug and distribution switchgear.Currently, the aviation plug on handcart passes through
The interlock of oscillating rod type realizes locking, that is, after the aviation socket in the aviation plug insertion cabinet of handcart, handcart is from testing position
It is moved to operating position, at this point, the swing rod of interlock blocks the knob of aviation plug just, puts the knob of aviation plug
Bar is blocked and can not be pulled open, and achievees the purpose that aviation plug can not be transferred to, so that it is guaranteed that the breaker of handcart is in secondary circuit
It is worked normally in the case where conducting.
However, aviation plug has been matched with aviation socket when the interlock of this oscillating rod type not can guarantee breaker work
It closes in place, that is to say, that, in fact it could happen that aviation plug is not properly inserted the case where aviation socket, i.e., secondary circuit does not connect
On situation, in this case, if to breaker carry out power transmission, can not close a floodgate because secondary circuit is not turned on
And achieve the purpose that power transmission, it is also possible to which cause the accident risk because that can not carry out separating brake.
Summary of the invention
In order to solve aviation plug present in the relevant technologies be not inserted into aviation socket may cause breaker can not
Close a floodgate be not achieved power transmission purpose or can not separating brake and the risk problem that causes the accident, present disclose provides a kind of panel switches
Interlock is inserted in equipment and its aviation.
The disclosure provides a kind of plug in interlock of aviation, comprising:
Pedestal, to be fixed on the cabinet body inner wall of distribution switchgear, the pedestal include the first fixed plate and with institute
The second fixed plate of the first fixed plate connection is stated, first fixed plate offers card slot and slit；
Connecting lever is installed in second fixed plate, and the connecting lever is connected with idler wheel far from the first end of the first fixed plate,
Under the gravity of the idler wheel, the first end of the connecting lever is sunk, and the second end of the connecting lever tilts；
Sliding panel is mounted in first fixed plate, and the sliding panel is provided with through slot, the tilting of the connecting lever
Second end is interspersed in the slit of first fixed plate by described through slot, offers card slot on the sliding panel；
Pull lever is connect with the sliding panel, when the idler wheel moves up under external force, the second end of the connecting lever
It moves down and leaves and run through slot on the sliding panel, the pull lever is enabled to pull the sliding panel mobile；
Plate is interlocked, the interlocking plate is mounted in second fixed plate, and the interlocking plate can be relative to described
Second fixed plate is mobile, and when the second end of the connecting lever moves up, the sliding panel can be pulled, and is being pulled to described the
When card slot in one fixed plate exposes the sliding panel, the interlocking plate inside contracts under the effect of external force and is inserted into described the
It is described when the card slot in first fixed plate does not expose in card slot on the card slot of one fixed plate and the sliding panel
Lock prominent second fixed plate in outer end of plate.
Optionally, it further includes the door-plate interlocking slide plate being mounted in second fixed plate that interlock is inserted in the aviation,
The door-plate interlocking slide plate is connect by linkage board with the connecting lever, and the connecting lever drives the door-plate connection by the linkage board
It is mobile to lock slide plate；
When the second end of the connecting lever moves up, the door-plate is driven to interlock slide plate to the side close to first fixed plate
To movement, the door-plate interlocking slide plate is inside contracted, and the door-plate interlocking slide plate is located in the range of second fixed plate；
When the second end of the connecting lever moves down, drive the linkage board mobile to the direction far from first fixed plate,
Prominent second fixed plate in end of the door-plate interlocking slide plate.
Optionally, the door-plate interlocking is mounted in the second fixed plate by fixed link, and the door-plate interlocking slide plate opens up
There is an elongated slot, the elongated slot runs through for the fixed link and be that the door-plate interlocks the movement of slide plate and provides activity space；
The end of the fixed link is additionally provided with the annulus card to stop the door-plate interlocking slide plate to skid off.
Optionally, the linkage board is connect by the idler wheel with the connecting lever.
Optionally, the sliding panel offers a notch described below slot, and the notch is used in the cunning
Movable plate avoids the connecting lever when mobile.Optionally, distance of the slit of first fixed plate apart from second fixed plate is small
In distance of the card slot apart from second fixed plate.
Optionally, it further includes the elastic component for connecting the interlocking plate that interlock is inserted in the aviation, the elastic component
First end connects the interlocking plate, and the second end of the elastic component is connected to the fixed link being mounted in second fixed plate
On, after the interlocking plate is inserted into the card slot, the elastic component keeps the state for interlocking plate and being inserted into the card slot.
Optionally, long rabbet is offered on the interlocking plate, the interlocking plate is fixed on described by mounting post
In two fixed plates, one end of the mounting post is fixed in second fixed plate, and the other end runs through the long rabbet, the length
Notch provides activity space relative to mounting post movement for the interlocking plate；
The end of the mounting post is additionally provided with the annulus card to stop the interlocking plate to skid off.
Optionally, the elastic stretching part that interlock further includes the fixed back of installation described first, institute are inserted in the aviation
The one end for stating elastic stretching part connects the first end of the connecting lever, and the other end is connected on the fixing piece above the connecting lever.
Optionally, the sliding panel side opposite with second fixed plate is additionally provided with aviation eye-splice plate.
Optionally, a lifting lug is fixed on the sliding panel, one end of the pull lever is fixed on lifting lug, and the other end passes through
Second fixed plate is stretched out, and pressure spring is arranged in the pull lever, and the pressure spring is compressed in the lifting lug and described second and consolidates
Between fixed board.
The disclosure separately provides a kind of plug in interlock of aviation, comprising:
Pedestal, to be fixed on the cabinet body inner wall of distribution switchgear, the pedestal include the first fixed plate and with institute
The second fixed plate of the first fixed plate connection is stated, first fixed plate offers slit；
Connecting lever is installed in second fixed plate, and the connecting lever is connected with idler wheel far from the first end of the first fixed plate,
Under the gravity of the idler wheel, the first end of the connecting lever is sunk, and the second end of the connecting lever tilts, and the of the connecting lever
Two ends are inserted into the clip slot of first fixed plate；
Door-plate interlocks slide plate, is mounted in second fixed plate, is connect by linkage board with the connecting lever, the connecting lever
It drives the door-plate to interlock slide plate movement by the linkage board, when the second end of the connecting lever moves up, drives the door-plate
Slide plate is interlocked to close to the movement of the direction of first fixed plate, the door-plate interlocking slide plate inside contracts, and the door-plate interlocks slide plate
In second fixed plate, when the second end of the connecting lever moves down, the linkage board is driven to fix to far from described first
The direction of plate is mobile, prominent second fixed plate in end of the door-plate interlocking slide plate.
The disclosure provides a kind of distribution switchgear again, plugs in interlock including cabinet body, handcart and above-mentioned aviation, described
Aviation is plugged in interlock and is mounted on the inner wall of cabinet body, and close to the door-plate of cabinet body, the handcart can be moved relative to the cabinet body
It is dynamic.
Optionally, the handcart, which has, interlocks oblique bent plate, and when the handcart is pushed into the cabinet body, the interlocking is tiltedly curved
Plate is contacted with the idler wheel that interlock is inserted in the aviation, and the idler wheel is pushed to move up.
The technical scheme provided by this disclosed embodiment can include the following benefits:
The disclosure provides a kind of plug in interlock of aviation, and it includes pedestal, connecting lever, sliding panel, drawing which, which plugs in interlock,
Lever and interlocking plate.The first fixed plate and the second fixed plate that pedestal includes offer card slot and narrow in first fixed plate
Slot.Connecting lever is fixed in the second fixed plate, and the first end of connecting lever is provided with idler wheel, under the action of idler wheel, the first end of connecting lever
Sink, second end is tilted and is interspersed in the slit of the first fixed plate.Sliding panel is installed in the first fixed plate, and it is solid can to cover first
Card slot on fixed board.It is perforative through slot that sliding panel offers the connecting lever for tilting.Interlocking plate is mounted on the second fixed plate,
When card slot in first fixed plate does not expose, prominent second fixed plate in outer end of plate is interlocked, the door of distribution switchgear is stopped
Plate is closed.When the idler wheel of connecting lever moves up, connecting lever no longer stops sliding panel mobile, pulls pull lever that can make sliding panel to the right
It is mobile, so that aviation plug is inserted into aviation socket, while exposing the card slot in the first fixed plate, so that interlocking plate inside contracts
And be inserted into the card slot on the card slot and sliding panel of the first fixed plate, at this point, the door-plate of distribution switchgear can be closed.Cause
This, after sliding panel moves to right, can be such that the aviation plug on handcart is inserted into aviation socket, can just door-plate be made to close.That is, navigating
After blind plug is inserted into aviation socket, door-plate could be closed, will not be shaken if door-plate can not close into handcart to operating position,
That is avoiding the connection for continuing primary circuit the case where secondary circuit does not connect, and then avoid secondary returning
Road be not turned on cause breaker can not close a floodgate be not achieved power transmission purpose or can not separating brake and cause the accident risk the case where, protect
The personal safety of staff is demonstrate,proved.
The disclosure separately provides a kind of plug in interlock of aviation, and it includes pedestal, connecting lever and door-plate connection which, which plugs in interlock,
Lock slide plate.Pedestal includes the first fixed plate and the second fixed plate, and the first fixed plate offers slit.Connecting lever installation described second is solid
On fixed board, the first end of the connecting lever is connected with idler wheel, under the gravity of the idler wheel, under the first end of the connecting lever
Heavy, the second end of the connecting lever is tilted and is inserted into the clip slot of the first fixed plate.It is fixed that door-plate interlocking slide plate is mounted on second
It on plate, is connect by linkage board with connecting lever, connecting lever drives door-plate to interlock slide plate movement by linkage board.The second end of connecting lever moves up
When, drive door-plate to interlock slide plate to close to the movement of the direction of the first fixed plate, door-plate interlocking slide plate inside contracts, and door-plate interlocks slide plate position
In in the second fixed plate, the door-plate of distribution switchgear can be closed.When the second end of connecting lever moves down, drive linkage board to separate
The direction of first fixed plate is mobile, and door-plate interlocks prominent second fixed plate in end of slide plate, stops the closing of door-plate.Therefore, when
When handcart is not pushed into cabinet body also, door-plate interlocks slide plate and stretches out, and door-plate is closed because door-plate interlocking slide plate is blocked from,
It is exactly that door-plate can not close when handcart is not pushed into cabinet body also.When handcart be pushed into cabinet body and enter testing position when, idler wheel to
Upper movement, the linkage board connecting with idler wheel retract door-plate interlocking slide plate in cabinet, can close door-plate at this time with slide downward, i.e.,
Handcart first could be closed into door-plate with after cabinet.When handcart is shaken from testing position into operating position, idler wheel automatically resets,
Door-plate interlocking slide plate also returns to original position, and door-plate is blocked and can not be pulled up by the outer end of door-plate interlocking slide plate at this time,
That is door-plate can not be opened at this time, ensure that breaker must operate under shutdown state, to ensure that personal safety.
The disclosure separately provides a kind of distribution switchgear, which includes cabinet body, handcart and above-mentioned aviation
Plug in interlock.The distribution switchgear guarantees that handcart is inserted into aviation in aviation plug because plugging in interlock using upper aviation
Operating position can just be entered after socket, and then avoid secondary circuit and be not turned on and cause breaker that can not close a floodgate power transmission is not achieved
Purpose or can not separating brake and cause the accident risk the case where, ensure that the personal safety of staff.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
It is open.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is the structural schematic diagram of the distribution switchgear according to the disclosure in one exemplary embodiment.
Fig. 2 is that connection is inserted in aviation when the breaker of the handcart according to the disclosure in one exemplary embodiment enters operating position
The schematic perspective view of locking device.
Fig. 3 is the left side view of Fig. 2.
Fig. 4 is the front view of Fig. 2.
Fig. 5 is that Fig. 2 is to clearly show that crank arm structure omits the rough schematic view of interlocking plate.
Fig. 6 is that the breaker of the handcart according to the disclosure in one exemplary embodiment enters testing position and door-plate does not close
The schematic perspective view of interlock is inserted in aviation when closing.
Fig. 7 is the left side view of Fig. 6.
Fig. 8 is the front view of Fig. 6.
Fig. 9 is the left side view of Fig. 5.
Specific embodiment
In order to further illustrate the principle and structure of the disclosure, preferred embodiment of the present disclosure is carried out now in conjunction with attached drawing detailed
It describes in detail bright.
As shown in Figure 1, the disclosure provides a kind of distribution switchgear 100, which includes that connection is inserted in aviation
Locking device 10, cabinet body 20 and handcart 30.The multiple electric components for realizing switchgear function are provided in cabinet body 20.Connection is inserted in aviation
Locking device 10 is mounted on the inner wall of cabinet body 20, and at the door-plate 21 of cabinet body 20.Handcart 30 is whole can be relative to cabinet body 20
It is mobile, and can be pulled out from cabinet body 20.Aviation plug and breaker are installed on handcart 30.Handcart 30 is moved to cabinet body 20
When testing position, the aviation plug on handcart 30 can be connect with the aviation socket in cabinet body 20, guarantee secondary circuit conducting.Hand
When vehicle 30 is moved to operating position from testing position, primary circuit is connected, and all components in cabinet body 20 are in running order,
Breaker is in and opens a sluice gate state.
The term referred in the disclosure is carried out as described below:
Primary circuit refers to: being connected with each other by primary equipment, constitutes power generation, power transformation, transmission of electricity, distribution or carry out other productions
Electric loop.
Secondary circuit refers to: being connected with each other by secondary device, composition is monitored primary equipment, controls, adjusts and protects
The electric loop of shield.
Primary equipment refers to: the directly high voltage electric equipment of production, conveying and distribution electric energy, for example, generator, transformation
It is device, breaker, disconnecting switch, automatic switch, contactor, knife-like switch, bus, transmission line of electricity, power cable, reactor, electronic
Machine etc..
Secondary device refers to: being monitored, controls to the work of primary equipment, adjusting, protecting and to run, safeguarding people
Low voltage electrical equipment needed for member provides operating condition or production command signal, for example, fuse, control switch, relay, control
Cable processed etc..
Testing position refers to: aviation plug has been plugged, and secondary circuit conducting, the breaker of handcart is in gate-dividing state.
Operating position refers to: aviation plug has been plugged, and secondary circuit and primary circuit are both turned on, and the breaker of handcart is in
Gate-dividing state.
The disclosure provides a kind of plug in interlock 10 of aviation, to realize the interlocking between handcart 30 and cabinet body 20.Specifically
, in conjunction with shown in Fig. 2 to Fig. 4, it includes pedestal 11, connecting lever 12, sliding panel 13, pull lever 14 and interlocking that interlock 10 is inserted in aviation
Plate 15.
Pedestal 11 can be fixed on the cabinet body inner wall of distribution switchgear 100.The pedestal 11 includes 111 He of the first fixed plate
The second fixed plate 112 being connect with the first fixed plate 111.A folder is formed between first fixed plate 111 and the second fixed plate 112
Angle, the angle can be 90 degree, i.e. the first fixed plate 111 and the second vertically connection of fixed plate 112.In this way, 111 He of the first fixed plate
Second fixed plate 112 can be adapted with the inner wall shape of cabinet body 20, and the pedestal 11 is enabled to be firmly secured to cabinet body 20
Inner wall on.
Further, to reduce the interference between 11 bending part of pedestal and 20 inner wall of cabinet body, in the first fixed plate 111 and second
The junction of fixed plate 112 is provided with arc angling 113.
Further, the bottom of the first fixed plate 111 and a slit 1111 is offered close to the position of arc angling 113, it should
Slit 1111 is interspersed for the end of connecting lever 12.
Further, the top that the first fixed plate 111 is located at slit 1111 is provided with card slot 1112, the card slot 1112 to the second
The distance of fixed plate 112 is distal to the distance of the 1111 to the second fixed plate of slit 112.In this way, when connecting lever 12 is stuck up in slit 1111
When rising, connecting lever 12 stops sliding panel 13 to move right, and sliding panel 13 can cover the card slot 1112.The card slot 1112 is for supplying
Interlocking plate 15 runs through.
First fixed plate 111 and the second fixed plate 112 can be integrally formed or be welded to connect.
It is appreciated that the angle formed between the first fixed plate 111 and the second fixed plate 112 can be to be fixed according to its cabinet
The inner wall shape of body 20 is changed.
Connecting lever 12 is mounted in the second fixed plate 112 by installation axle 121.Connecting lever 12 includes first end 12a and second end
12b.First end 12a is inserted through in the slit 1111 of the first fixed plate 111, and first end 12a is piercing in the first fixed plate 111.The
Two end 12b are connected with idler wheel 122.The idler wheel 122 can be nylon roller.As shown in connection with fig. 5, which passes through connector
123 are connected to connecting lever 12.Connector 123 is contacted but is not fixed with the second fixed plate 112, in this way, the second end 12b of connecting lever 12 can
It is swung relative to installation axle 121.When idler wheel 122 is without external force, by the effect of 122 gravity of idler wheel, the second end of connecting lever 12
12b sinks relative to installation axle 121, and first end 12a is tilted relative to installation axle 121.When there is external force to jack up idler wheel 122,
The second end 12b of connecting lever 12 is moved up, and first end 12a is moved down, and keeps connecting lever 12 straight, same at second end 12b and first end 12a
Straight line.
Installation axle 121 is mounted at 2/3rds of connecting lever 12, and second end 12b and first end 12a can be relative to installation axles
121 swing.Installation axle 121 protrudes from the front of the second fixed plate 112, and connecting lever 12 is mounted on the end of 121 protrusion of installation axle
Portion guarantees to maintain a certain distance between connecting lever 12 and the second fixed plate 112, in this way, the first end 12a of connecting lever 12 can intert
In clip slot 1111 to a certain distance from having from arc angling 113.
Further, as shown in figure 3, the back side of the first fixed plate 111 is additionally provided with an elastic stretching part 124.The elasticity is drawn
Stretching part 124 can be tension spring.The first end 12a of one end connecting lever 12 of elastic stretching part 124, in other end connecting lever 12
The fixing piece 125 of side.In this way, guaranteeing the first end of connecting lever 12 in the case where no external force jacks up the second end 12b of connecting lever 12
12a is to tilt, and then guarantee that sliding panel 13 covers the card slot 1112 in the first fixed plate 111, makes the end for interlocking plate 15
Card slot 1112 can not be inserted into and its other end is made to protrude from the second fixed plate 112, stop the closing of the door-plate 21 of cabinet body 20.Scheming
In 3, due to cuing open the relationship of angle of field, the one end for only showing elastic stretching part 124 is connected to fixing piece 125, does not show that elasticity
The other end of tensioning member 124 is connected on the first end 12a of connecting lever 12.
Further, as shown in connection with fig. 5, connecting lever 12 is additionally provided with another in addition to being connected with idler wheel 122 at the second end 12b
Idler wheel 122, so that connecting lever 12 has more preferably balance quality.The position of another idler wheel 122 is located at the left side (this of installation axle 121
Place, left and right direction is using Fig. 3 as reference), it is symmetrical relative to installation axle 121 with the idler wheel 122 at second end 12b.It is another
Idler wheel 122 is connected on connecting lever 12 also by connector 123.Another idler wheel 122 is contacted but is not fixed with the second fixed plate 112.
It please return refering to Fig. 2 and Fig. 4, sliding panel 13 is mounted in the first fixed plate 111.Elongated slot is offered on sliding panel 13
13a.One end of fixing piece 131 is fixed in the first fixed plate 111, and the other end runs through elongated slot 13a, and the fixing piece 131
End is provided with the annulus card 132 for preventing sliding panel 13 from skidding off.
As shown in connection with fig. 5, it offers at the position of the corresponding first fixed plate 111 setting slit 1111 of sliding panel 13 through slot
133a and notch 133b, should be located at edge through slot 133a, and notch 133b is located at the lower section for running through slot 133a.Slot should be run through
133a has one side wall, and when the first end 12a of connecting lever 12 is tilted, the side wall 133a through slot 133a stops sliding panel 13 to the right
It is mobile.Notch 133b is used to avoid connecting lever 12 when sliding panel 13 is mobile.After the first end 12a of connecting lever 12 is moved down, avoid running through
The side wall of slot 133a is moved in notch 133b, and since the space of notch 133b is larger, connecting lever 12 will not carry out sliding panel 13
Interference, in this way, sliding panel 13 can move right.
The position that sliding panel 13 corresponds to the card slot 1112 of the first fixed plate 111 offers card slot 134.Sliding panel 13 is to the right
After movement, card slot 134 on sliding panel 13 can be aligned before and after the card slot 1112 in the first fixed plate 111, so for interlocking
Plate 15 is interspersed.The distance of 1111 the second fixed plate of distance 112 of clip slot of first fixed plate 111 is less than 1112 distance of card slot the
The distance of two fixed plates 112, in this way, 1112 side of card slot can expose after sliding panel 13 moves right, so that interlocking plate 15 is inserted
Enter.
Further, the side opposite with the second fixed plate 112 of sliding panel 13 is additionally provided with aviation eye-splice plate 135.Aviation is inserted
The generally U-shaped structure of buckle 135, to be interlocked with the aviation plug on handcart 30, when the sliding panel 13 moves right,
It drives aviation plug to move right, aviation plug is inserted on the aviation socket of interior of the cabinet.
A lifting lug 141 is fixed on sliding panel 13.One end of pull lever 14 is fixed on lifting lug 141, and the other end passes through second
Fixed plate 112 is stretched out, and the part of stretching is for staff's pulling.Pressure spring 142 is arranged in pull lever 14, the pressure spring 142 pressure
Contracting is between lifting lug 141 and the second fixed plate 112, i.e., pressure spring 142 is extended to from lifting lug 141 at second fixed plate 112,
In Fig. 5, part pressure spring is only shown and is not entirely shown.
After connecting lever 12 moves down, pull lever 14 is pulled sliding panel 13 can be pulled manually to move right.
Further, in conjunction with shown in Fig. 2 and Fig. 3, which is mounted on the second fixed plate 112 by mounting post 151
On.Long rabbet 152 is offered on interlocking plate 15, which is that the movement of interlocking plate 15 provides enough activity skies
Between.The long rabbet 152 can be oval long rabbet.One end of mounting post 151 is fixed in the second fixed plate 112, the other end
Through the long rabbet 152, it is mounted on the interlocking plate 15 in the mounting post 151.The end of the mounting post 151 is provided with and prevents
The annulus card 153 that interlocking plate 15 skids off.
The interlocking plate 15 is substantially in a Z-shaped, and the length direction along the second fixed plate 112 extends, i.e., perpendicular to the
The direction of one fixed plate 111 extends.When the card slot 1112 of first fixed plate 111 does not expose, the outer end 15a of the interlocking plate 15 is prominent
For the edge of the second fixed plate 112, to prevent the door-plate 21 of cabinet body 20 from closing
The interlocking plate 15 is also connected with an elastic component 154, and the first end connection of the elastic component 154 interlocks plate 15, the
Two ends are connected in the fixed link 162 being mounted in the second fixed plate 112.Fixed link 162 can also be used for installing subsequent refer to
Door lock interlocks slide plate 16.
Interlocking plate 15 can be mobile relative to the second fixed plate 112.Do not expose in the card slot 1112 of the first fixed plate 111
In the case of, sliding panel 13 stops interlocking plate 15 mobile to the direction of the first fixed plate 111, makes the outer end 15a for interlocking plate 15
The edge of the second fixed plate 112 is protruded from, to prevent the door-plate 21 of cabinet body 20 from closing.It moves right exposing first in sliding panel 13
When card slot 1112 in fixed plate 111, when interlocking plate 15 by external force (for example, squeezing action of door-plate 21), to the
The direction of one fixed plate 111 is mobile (inside contracting), and the inner end 15b of interlocking plate 15 is inserted into the card slot in the first fixed plate 111
In 1112, in the second fixed plate of outer end 15a retraction 112, at this point, door-plate 21 can be shut.It is entered when handcart leaves testing position
When operating position, idler wheel 122 is restored to original position (i.e. 122 sinking state of idler wheel), makes under the pulling force effect of elastic component 154
Interlocking plate 15 keeps original state to be still inserted into the card slot 1112 of sliding panel 13, and can not stir sliding panel 13, i.e., can not dial and remove
Aviation plug.
In conjunction with shown in Fig. 6 to Fig. 8, when handcart 30 is in testing position with cabinet (door-plate is not turned off at this time), on handcart 30
The oblique bent plate of the interlocking idler wheel 122 that pushes aviation to plug in interlock 10 move up, the first end 12a of connecting lever 12 is moved down, connecting lever
12 are in straightened condition.It stirs sliding panel 13 to the right at this time, is anchored to the aviation plug on handcart 30 on aviation socket.At this point,
Exposed and aligned with the card slot 134 on sliding panel 13 by the card slot 1112 for the first fixed plate 111 that sliding panel 13 covers, for connection
Lock mobile slot milling of the plate 15 to the first fixed plate 111.
When the card slot 1112 of the first fixed plate 111 exposes, the door-plate 21 of cabinet body, as shown in Figures 2 to 4, door-plate can be shut
21 push shifting in interlocking plate 15, are inserted into the inner end 15b for interlocking plate 15 in card slot 134 and card slot 1112, insert interlocking
Plate 15 is located in the range of the second fixed plate 112.If at this point, aviation plug is not anchored on aviation socket, the first fixed plate
111 card slot 1112 will not expose, and interlocking plate 15 can not move inward, and outer end 15a can protrude the side of the second fixed plate 112
Edge stops door-plate 21 to be closed, and then can not continue to operate handcart 30, and aviation plug is being inserted into aviation socket to ensure that
Under the premise of, it could continue to shake handcart 30, and then prevent accidentally separating brake or false switching breaker operator, that is, avoid secondary returning
Road be not turned on cause breaker can not close a floodgate be not achieved power transmission purpose or can not separating brake and cause the accident risk the case where.
In addition, idler wheel 122 is restored to original position, but in bullet when handcart leaves testing position and enters operating position
Property part 154 under the action of, can make interlock plate 15 keep original state, i.e., be still inserted into the card slot of sliding panel 13.In this way, can not
Sliding panel 13 is stirred, i.e., can not be dialled except aviation plug, guarantees that aviation plug will not be pulled out during the work time in handcart, thus
Component in protection cabinets body and on handcart, it is often more important that ensure the personal safety of staff.
Further, in conjunction with shown in Fig. 5 and Fig. 9, connecting lever 12 interlocks slide plate 16 with door-plate by linkage board 17 and connect.It is specific and
Speech, linkage board 17 include orthogonal transverse part and vertical portion, and transverse part and vertical portion constitute T font.Linkage board 17 is laterally
Portion is directly connected to two idler wheels 122, and the end of vertical portion is connect with door-plate interlocking slide plate 16.
One end that linkage board 17 is connected with door-plate interlocking slide plate 16 has a U-type groove, is provided with a gearing in the U-type groove
Axis 161, the couple axle 161 and door-plate interlocking slide plate 16 connects, couple axle 161 can when door-plate interlocking slide plate 16 is moved left and right
It is moved in U-type groove.
It is substantially in a Z-shaped that door-plate, which interlocks slide plate 16, and both ends offer elongated slot 16a respectively, and elongated slot 16a can be in
Ellipse.One end of fixed link 162 is fixed in the second fixed plate 112, elongated slot of the other end through door-plate interlocking slide plate 16
16a is mounted on door-plate interlocking slide plate 16 in second fixed plate 112.The end that fixed link 162 is pierced by is provided with to stop door
The annulus card 163 that plate interlocking slide plate 16 skids off.Door-plate interlocks slide plate 16 can be with the fortune of connecting lever 12 under the action of linkage board 17
It moves and moves left and right, elongated slot 16a is that the movement of door-plate interlocking slide plate 16 provides enough activity spaces.
When idler wheel 122 is moved up by jack-up, drive linkage board 17 to the direction close to the first fixed plate 111 (i.e. far from distribution
The door-plate direction of switchgear) it is mobile, door-plate interlocking slide plate 16 inside contracts, at this point, the door-plate 21 of cabinet body 20 can close；Work as effect
When the external force on idler wheel 122 disappears, the second end 12b of connecting lever 12 is moved down, and drives linkage board to separate first fixed plate 111
Direction (i.e. close to the door-plate direction of cabinet body) is mobile, and door-plate interlocks the edge of prominent second fixed plate 112 in end of slide plate 16, resistance
Only door-plate 21 opens or closes.
Specifically, when the breaker of handcart 30 starts to shake from testing position into operating position, as shown in Figures 2 to 4, rolling
Wheel 122 is restored to original position, i.e. idler wheel 122 sinks, and door-plate interlocking slide plate 16 is protruding under the action of linkage board 17, this
When door-plate 21 by door-plate interlocking slide plate 16 block, i.e., can not be raised openings, prevent mistakenly entering charged chamber, that is, prevent handcart break
When road device works, door-plate, which is opened, causes electric shock risk.In this way, door-plate interlocking slide plate 16 can ensure personal safety, realize
The interlocking of interlock and door-plate is inserted in aviation.
In addition, interlock 10 is inserted in above-mentioned aviation also may not include interlocking plate 15, such situation in another embodiment
Under, which, which plugs in interlock 10, can also realize the interlocking with the breaker of handcart.In this embodiment, interlock is inserted in aviation
Including pedestal, connecting lever and door-plate interlock slide plate, the pedestal, connecting lever and door-plate interlocking slide plate and above-described embodiment in pedestal 11,
Connecting lever 12 is identical with door-plate interlocking 16 structure of slide plate, is no longer described in detail one by one herein.In this embodiment, when handcart 30 is not pushed into also
When cabinet body, door-plate interlocks slide plate 16 and stretches out, and door-plate 21 is closed because door-plate interlocking slide plate 16 is blocked from.Work as breaker
When being pushed into cabinet body and being in testing position, the idler wheel of the oblique bent plate of interlocking of breaker upper right quarter and the plug in interlock 10 of aviation
122 contacts, so that idler wheel 122 moves up, the linkage board 17 connecting with idler wheel 122 inside contracts door-plate interlocking slide plate 16 toward cabinet
It returns, door-plate 21 can be closed at this time with slide downward.That is, door-plate could be closed after breaker is with cabinet.When breaker from
When testing position is shaken into operating position, the oblique bent plate on breaker is detached from idler wheel, and idler wheel automatically resets, so that door-plate interlocks
Slide plate 16 also returns to original position, and door-plate can not be pulled up at this time, that is to say, that can not open door-plate at this time, ensure that
Breaker must operate under shutdown state, to ensure that personal safety.
To sum up, the plug in interlock of above-mentioned aviation realizes handcart, aviation is inserted and realized mutually between interlock and door-plate three
Lock, field maintenance person must just can be carried out the breaker operator of handcart in strict accordance with relevant operational flow, so that it is guaranteed that maintenance
The person installation of personnel and Electrical Safety.
Specifically, idler wheel up moves when the breaker of handcart is in testing position, aviation eye-splice plate is turned right at this time
It is mobile, aviation plug is inserted into socket and is buckled well, door-plate closing can be just carried out, breaker can just be operated；And breaker
Testing position is left, aviation plug cannot then be pulled out, so that it is guaranteed that secondary circuit reliability；And when breaker leaves test position
It postpones, door-plate interlocking slide plate is protruding, and door-plate is prevented to be raised and open, and realizes door-closing interlock, it is ensured that personal safety.
The above is only the preferable possible embodiments of the disclosure, not limit the protection scope of the disclosure, all to use the disclosure
The variation of equivalent structure made by specification and accompanying drawing content, is all contained in the protection scope of the disclosure.
Claims (14)
1. interlock is inserted in a kind of aviation characterized by comprising
Pedestal, to be fixed on the cabinet body inner wall of distribution switchgear, the pedestal includes the first fixed plate and with described the
Second fixed plate of one fixed plate connection, first fixed plate offer card slot and slit；
Connecting lever is installed in second fixed plate, and the connecting lever is connected with idler wheel far from the first end of the first fixed plate, described
Under the gravity of idler wheel, the first end of the connecting lever is sunk, and the second end of the connecting lever tilts；
Sliding panel is mounted in first fixed plate, and the sliding panel is provided with through slot, and the second of the tilting of the connecting lever
End is interspersed in the slit of first fixed plate by described through slot, offers card slot on the sliding panel；
Pull lever is connect with the sliding panel, and when the idler wheel moves up under external force, the second end of the connecting lever is moved down
And leave and run through slot on the sliding panel, enable the pull lever to pull the sliding panel mobile；
Plate is interlocked, the interlocking plate is mounted in second fixed plate, and the interlocking plate can be relative to described second
Fixed plate is mobile, and when the second end of the connecting lever moves up, the sliding panel can be pulled, and solid being pulled to described first
When card slot on fixed board exposes the sliding panel, and the interlocking plate inside contracts under the effect of external force and is inserted into described first and consolidates
In card slot on the card slot of fixed board and the sliding panel, when the card slot in first fixed plate does not expose, the interlocking is inserted
Prominent second fixed plate in the outer end of plate.
2. interlock is inserted in aviation according to claim 1, which is characterized in that it further includes peace that interlock is inserted in the aviation
Door-plate in second fixed plate interlocks slide plate, and the door-plate interlocking slide plate is connect by linkage board with the connecting lever,
The connecting lever drives the door-plate to interlock slide plate movement by the linkage board；
When the second end of the connecting lever moves up, drives the door-plate to interlock slide plate and moved to the direction close to first fixed plate
Dynamic, the door-plate interlocking slide plate inside contracts, and the door-plate interlocking slide plate is located in the range of second fixed plate；
When the second end of the connecting lever moves down, drive the linkage board mobile to the direction far from first fixed plate, it is described
Door-plate interlocks prominent second fixed plate in end of slide plate.
3. interlock is inserted in aviation according to claim 2, which is characterized in that the door-plate interlocking is installed by fixed link
In the second fixed plate, the door-plate interlocking slide plate offers elongated slot, and the elongated slot runs through for the fixed link and is the door
The mobile offer activity space of plate interlocking slide plate；
The end of the fixed link is additionally provided with the annulus card to stop the door-plate interlocking slide plate to skid off.
4. interlock is inserted in aviation according to claim 2, which is characterized in that the linkage board passes through the idler wheel and institute
State connecting lever connection.
5. interlock is inserted in aviation according to claim 1, which is characterized in that the sliding panel is described under slot
Side offers a notch, and the notch is used to avoid the connecting lever when the sliding panel is mobile.
6. interlock is inserted in aviation according to claim 1, which is characterized in that the slit of first fixed plate is apart from institute
The distance for stating the second fixed plate is less than distance of the card slot apart from second fixed plate.
7. interlock is inserted in aviation according to claim 1, which is characterized in that it further includes connecting that interlock is inserted in the aviation
The elastic component of the interlocking plate is connect, the first end of the elastic component connects the interlocking plate, the second end of the elastic component
It is connected in the fixed link being mounted in second fixed plate, after the interlocking plate is inserted into the card slot, the elastic component
The interlocking plate is kept to be inserted into the state of the card slot.
8. interlock is inserted in aviation according to claim 7, which is characterized in that offer elongated slot on the interlocking plate
Mouthful, the interlocking plate is fixed in second fixed plate by mounting post, and one end of the mounting post is fixed on described the
In two fixed plates, the other end runs through the long rabbet, and the long rabbet is that the interlocking plate is mobile relative to the mounting post
Activity space is provided；
The end of the mounting post is additionally provided with the annulus card to stop the interlocking plate to skid off.
9. interlock is inserted in aviation according to claim 1, which is characterized in that it further includes peace that interlock is inserted in the aviation
The elastic stretching part of the described first fixed back is filled, one end of the elastic stretching part connects the first end of the connecting lever, separately
One end is connected on the fixing piece above the connecting lever.
10. interlock is inserted in aviation according to claim 1, which is characterized in that the sliding panel and described second is fixed
The opposite side of plate is additionally provided with aviation eye-splice plate.
11. interlock is inserted in aviation according to claim 1, which is characterized in that fix a lifting lug, institute on the sliding panel
The one end for stating pull lever is fixed on lifting lug, and the other end is stretched out across second fixed plate, is arranged with pressure in the pull lever
Spring, the pressure spring are compressed between the lifting lug and second fixed plate.
12. interlock is inserted in a kind of aviation characterized by comprising
Pedestal, to be fixed on the cabinet body inner wall of distribution switchgear, the pedestal includes the first fixed plate and with described the
Second fixed plate of one fixed plate connection, first fixed plate offer slit；
Connecting lever is installed in second fixed plate, and the connecting lever is connected with idler wheel far from the first end of the first fixed plate, described
Under the gravity of idler wheel, the first end of the connecting lever is sunk, and the second end of the connecting lever tilts, and the second end of the connecting lever
It is inserted into the clip slot of first fixed plate；
Door-plate interlocks slide plate, is mounted in second fixed plate, is connect by linkage board with the connecting lever, the connecting lever passes through
The linkage board drives the door-plate interlocking slide plate mobile, when the second end of the connecting lever moves up, the door-plate is driven to interlock
Slide plate is to close to the movement of the direction of first fixed plate, and the door-plate interlocking slide plate inside contracts, and the door-plate interlocking slide plate is located at
In second fixed plate, when the second end of the connecting lever moves down, drive the linkage board to separate first fixed plate
Direction is mobile, prominent second fixed plate in end of the door-plate interlocking slide plate.
13. a kind of distribution switchgear, which is characterized in that including cabinet body, handcart and as claim 1 to 12 is described in any item
Interlock is inserted in aviation, and the aviation is plugged in interlock and is mounted on the inner wall of cabinet body, and close to the door-plate of cabinet body, the handcart
It can be mobile relative to the cabinet body.
14. distribution switchgear according to claim 13, which is characterized in that the handcart, which has, interlocks oblique bent plate,
When the handcart is pushed into the cabinet body, the oblique bent plate of interlocking is contacted with the idler wheel that interlock is inserted in the aviation, pushes institute
Idler wheel is stated to move up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426893.9A CN110165596B (en) | 2019-05-20 | 2019-05-20 | Distribution switch equipment and aviation plug interlocking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426893.9A CN110165596B (en) | 2019-05-20 | 2019-05-20 | Distribution switch equipment and aviation plug interlocking device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110165596A true CN110165596A (en) | 2019-08-23 |
| CN110165596B CN110165596B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426893.9A Active CN110165596B (en) | 2019-05-20 | 2019-05-20 | Distribution switch equipment and aviation plug interlocking device thereof |
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| CN (1) | CN110165596B (en) |
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| US20150171605A1 (en) * | 2013-12-16 | 2015-06-18 | Lsis Co., Ltd. | Withdrawable-type circuit breaker |
| CN107181193A (en) * | 2017-06-05 | 2017-09-19 | 河南森源电气股份有限公司 | Secondary aviation socket interlock and rack |
| CN107564747A (en) * | 2017-09-29 | 2018-01-09 | 国家电网公司 | Solid insulation cabinet interlock and its method of work |
| CN207801306U (en) * | 2018-02-09 | 2018-08-31 | 宁波天安智能电网科技股份有限公司 | A kind of interlock of intelligent circuit breaker mechanism and propulsion handcart |
| CN208045342U (en) * | 2018-02-09 | 2018-11-02 | 宁波天安智能电网科技股份有限公司 | A kind of intelligent circuit breaker modularization operating mechanism |
| CN209860466U (en) * | 2019-05-20 | 2019-12-27 | 厦门华电开关有限公司 | Power distribution switchgear and aviation plug interlocking device thereof |
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2019
- 2019-05-20 CN CN201910426893.9A patent/CN110165596B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150171605A1 (en) * | 2013-12-16 | 2015-06-18 | Lsis Co., Ltd. | Withdrawable-type circuit breaker |
| CN107181193A (en) * | 2017-06-05 | 2017-09-19 | 河南森源电气股份有限公司 | Secondary aviation socket interlock and rack |
| CN107564747A (en) * | 2017-09-29 | 2018-01-09 | 国家电网公司 | Solid insulation cabinet interlock and its method of work |
| CN207801306U (en) * | 2018-02-09 | 2018-08-31 | 宁波天安智能电网科技股份有限公司 | A kind of interlock of intelligent circuit breaker mechanism and propulsion handcart |
| CN208045342U (en) * | 2018-02-09 | 2018-11-02 | 宁波天安智能电网科技股份有限公司 | A kind of intelligent circuit breaker modularization operating mechanism |
| CN209860466U (en) * | 2019-05-20 | 2019-12-27 | 厦门华电开关有限公司 | Power distribution switchgear and aviation plug interlocking device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110165596B (en) | 2024-02-20 |
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