CN109412063A - Breaker chamber interlock - Google Patents
Breaker chamber interlock Download PDFInfo
- Publication number
- CN109412063A CN109412063A CN201710702956.XA CN201710702956A CN109412063A CN 109412063 A CN109412063 A CN 109412063A CN 201710702956 A CN201710702956 A CN 201710702956A CN 109412063 A CN109412063 A CN 109412063A
- Authority
- CN
- China
- Prior art keywords
- cabinet door
- breaker
- locking
- blocking lever
- interlocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to field of switch equipment, in particular to breaker chamber interlock.The interlocking mechanism of breaker chamber interlock of the invention includes blocking lever, and finite place piece is arranged on blocking lever, on the active strokes of locating part there is locking position to conciliate lock-bit；Interlocking mechanism further includes cabinet door locking part, and cabinet door locking part is moved left and right when cabinet door is closed with blocking lever cooperation with blocking lever to keep cabinet door locking in grounding switch tripping, can release the locking to cabinet door when breaker is in testing position.Breaker chamber interlock of the invention realizes the interlocking to cabinet door and breaker by the cabinet door locking part that breaker passes in and out the blocking lever of locking part and is arranged on blocking lever, do not change the original interlock of breaker, solves the problems, such as that current breaker chamber interlock structure is complicated.
Description
Technical field
The present invention relates to field of switch equipment, in particular to breaker chamber interlock.
Background technique
According to the requirement for preventing mistakenly entering charged chamber in the anti-requirement of medium voltage switchgear equipment five, 35kV medium voltage switchgear equipment is being transported
During row, need to control the removable interlocked control opened component and charge compartment of cabinet body.It is operated between there is mistakenly entering into charged below
Every danger: shake in the case where door of switch cabinet is not turned off into breaker, in the breaker of switchgear and be in operating position
When open circuit breaker chamber door.
At present in the high-tension switch cabinet of industry, interlock is usually set and is grounded the connection between switch and breaker
Lock, such as application publication number is CN106159773A, data of publication of application is one disclosed in the Chinese patent application of 2016.11.23
Kind grounding switch interlocking mechanism for switch cabinet, the handcart advancing mechanism including being fixed on cabinet body, the side of the handcart advancing mechanism
Equipped with bent plate, bent plate is equipped with interlocking hole, and the inside of bent plate is equipped with interlock plate moving up and down.The front end of handcart advancing mechanism
It equipped with shaking into hole for the center face with lead screw, shakes into hole upper end and is equipped with baffle, shake into the hole left and right sides and be symmetrically arranged with handcart handle
Hand, handcart handle are equipped with the earthing knife-switch that can be moved left and right close to bent plate end and interlock handle, and earthing knife-switch interlocks handle and is equipped with for being inserted into connection
The lock tongue of lockhole, i.e., when stirring earthing knife-switch interlocking handle to the right, lock tongue stretches out under the action of earthing knife-switch interlocks handle and is inserted into interlocking
Hole, realize with the interlocking of circuit breaker cart, wherein earthing knife-switch interlocking handle and the lock tongue being arranged on earthing knife-switch interlocking handle constitute and
The breaker of breaker interlocking passes in and out locking part, and when breaker is in operating position, breaker disengaging locking part is not able to move to
Latched position；When breaker disengaging locking part is in the locked position, breaker cannot shake and enter operating position.But this switch
The interlocking mechanism of cabinet only can be realized the interlocking between breaker and earthing switch, require to meet " five is anti-" of switchgear,
There is still a need for setting, other set interlocking mechanism interlocks between door of switch cabinet and breaker, and structure is complicated.
Summary of the invention
The object of the present invention is to provide a kind of breaker chamber interlocks, to solve current breaker chamber interlock knot
The problem of structure complexity.
To achieve the above object, the first technical solution of breaker chamber interlock of the invention are as follows: breaker chamber connection
Locking device passes in and out locking part, the breaker disengaging interlocking with the breaker of breaker interlocking to realize including that can move left and right
Part is connected with the interlocking mechanism for interlocking with cabinet door, and interlocking mechanism includes that setting passes in and out on locking part in breaker along front and back
To the blocking lever of extension, be arranged on blocking lever can fore-aft travel locating part, have for limiting on the active strokes of locating part
The locking position that blocking lever processed moves left and right and the solution lock-bit on rear side of locking position have on locating part and are pressurized when cabinet door is closed
Power is so that locating part is pressed by locking position to the part in compression of solution lock-bit；The interlocking mechanism further includes cabinet door locking part and is
Locating part provides the dynamic clamping head and quiet clamping head that the active force of locking position is moved to by solution lock-bit；Cabinet door locking part closes Shi Yulian in cabinet door
Locking bar cooperation is moved left and right with blocking lever to keep cabinet door locking when breaker is in operating position, be in test in breaker
The locking to cabinet door can be released when position.
Second of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The first technical solution on the basis of, the cabinet door locking part and blocking lever are slidably matched along blocking lever extending direction, described
Interlocking mechanism includes the mounting base for being fixed on the inside of cabinet door, and the cabinet door locking part is oriented in left-right direction to be slidedly assemblied in
In mounting base.
The third technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
Second of technical solution on the basis of, cabinet door locking part be equipped with interlocking bar jack, blocking lever cabinet door close when be inserted into
To realize that cabinet door locking part is moved left and right with blocking lever in the interlocking bar jack.
4th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
Second or the third technical solution on the basis of, the blocking lever by breaker disengaging locking part lever constitute, pacify
Dress seat be seal box of the opening towards cabinet door, with moving to right for lever across rear left on the side wall opposite with being open on seal box
Dynamic seal box long hole, cabinet door locking part are the interlock plate of the side walls sealing cooperation opposite with seal box upper opening.
5th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The first or second or the third technical solution on the basis of, the dynamic clamping head and quiet clamping head is the reset being set on blocking lever
Spring, the interlocking mechanism further include for being fixed on the intracorporal fixed frame of cabinet, when the locating part is in locking position and fixation
Frame limits cooperation in left-right direction and is moved left and right with limiting blocking lever.
6th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The 5th kind of technical solution on the basis of, the locating part is the limit sleeve extended along the longitudinal direction, and the limit sleeve includes limit
The position set major diameter section and limit sleeve path section on front side of limit sleeve major diameter section, the fixed frame be equipped with limit hole and with limit
The fixed frame long hole that hole radially penetrates through, limit hole when the door is opened in locking position limit sleeve limit sleeve major diameter section
Limit cooperation in left-right direction is moved left and right with limiting blocking lever；Fixed frame long hole is when cabinet door is closed for the limit in solution lock-bit
The limit sleeve path section of position set is moved left and right to release the limit to blocking lever.
7th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The 5th kind of technical solution on the basis of, one end of reset spring top is on breaker disengaging locking part, other end top
On locating part, blocking lever is equipped with the Stop structure on front side of locating part with the cooperation of locating part block.
8th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The first or second or the third technical solution on the basis of, the interlocking mechanism further includes cabinet door handle lock and and cabinet door
The driving member of handle lock linkage, the cabinet door locking part is by realizing the interlocking to cabinet door with driving member interlocking.
9th kind of technical solution of breaker chamber interlock of the invention are as follows: in breaker chamber interlock of the invention
The 8th kind of technical solution on the basis of, interlocking mechanism further includes the fixation holder for being fixed in cabinet door, on driving member
It passes through equipped with corresponding for cabinet door locking part to realize that cabinet door locking part interlocks hole to the breaker that cabinet door locks, it is fixed to keep
Part is equipped with the interlocking retaining hole passed through for cabinet door locking part to keep the locking to cabinet door corresponding with breaker interlocking hole.
The invention has the benefit that breaker chamber interlock of the invention breaker disengaging locking part be connected with
The blocking lever of the interlocking mechanism of cabinet door interlocking, interlocking mechanism is equipped with locating part, and locating part has on its fore-aft travel direction
Lock-bit is conciliate in locking position, and cabinet door is in the front side of cabinet body, and the locking position of locating part is in the front side of solution lock-bit, the cabinet on blocking lever
Couplet on the door latch fitting can be moved left and right with blocking lever.When cabinet door is not turned off, breaker is in testing position, and locating part is in locking
Position, limiting circuit breaker disengaging locking part and blocking lever move left and right, and breaker disengaging locking part cannot move left and right, then breaker
Operating position cannot be returned to；After cabinet door closing, the part in compression on locating part, which is under pressure, presses locating part by locking position
It moves to Xie Suowei, breaker disengaging locking part and blocking lever can move left and right at this time, and cabinet door locking part can be with a blocking lever left side
It moves right, breaker may return to operating position；When breaker is in operating position, breaker passes in and out locking part and blocking lever
It cannot move left and right, cabinet door locking part can not move left and right, and cabinet door locking part remains the locking to cabinet door, and cabinet door can not
It opens；When breaker is in testing position, breaker disengaging locking part and blocking lever can be moved left and right, and cabinet door locking part also can
It moves left and right, cabinet door locking part can release the locking to cabinet door, and cabinet door can be opened；In conclusion breaker of the invention
Room interlock passes in and out locking part using breaker and interlocking mechanism can in the case where keeping original breaker interlocking constant
Realize the interlocking of breaker and cabinet door, structure is simple, high reliablity, and it is multiple to solve current breaker chamber interlock structure
The not high problem of miscellaneous, reliability.
Further, the cabinet door locking part and blocking lever are slidably matched along blocking lever extending direction, cabinet door locking part edge
Left and right directions guiding is slidedly assemblied in mounting base, facilitates the assembly of blocking lever and cabinet door locking part.
Further, the breaker disengaging locking part is equipped with interlocking bar jack, and blocking lever is inserted when cabinet door is closed
To realize that cabinet door locking part is moved left and right with blocking lever in the interlocking bar jack, is realized and interlocked by simple axial aperture structure
The transmission of bar and breaker disengaging locking part, simplifies the mechanism of interlocking mechanism.
Further, the blocking lever is made of the lever of breaker disengaging locking part, and mounting base is to be open towards cabinet
The seal box of door has the seal box long hole moved left and right after passing through for lever on seal box on the side wall opposite with being open,
It is the interlock plate with side walls sealing cooperation opposite with being open on seal box, interlock plate and sealing that breaker, which passes in and out locking part,
The side walls that box is equipped with seal box long hole seal cooperation, guarantee the leakproofness of interior of the cabinet, arcing inside lifting switch cabinet
Emergency protection demand guarantees the reliability and safety that switchgear operates with.
Further, interlocking mechanism further includes the fixation holder being fixed in cabinet door, on fixed holder and driving member
It is equipped with corresponding passed through for cabinet door locking part to realize that cabinet door locking part interlocks hole to the breaker that cabinet door locks, by solid
The breaker interlocking hole and cabinet door locking part determined on holder and driving member cooperate, after guaranteeing cabinet door locking part to cabinet door locking
Reliability.
Detailed description of the invention
Fig. 1 is state of the breaker of the specific embodiment of breaker chamber interlock of the invention in testing position
Figure；
Fig. 2 is state diagram of the breaker of the specific embodiment of breaker chamber interlock of the invention at operating position；
Fig. 3 is the structural representation of the specific embodiment of breaker chamber interlock of the invention removed after breaker chamber cabinet door
Figure；
Fig. 4 is that the ground connection locking plate in Fig. 3 on fixed frame is in the schematic diagram for not pulling out state；
Fig. 5 is the schematic diagram that ground connection locking plate in Fig. 3 on fixed frame is in pull-out state；
Fig. 6 is the structural schematic diagram into hole baffle that shakes of the specific embodiment of breaker chamber interlock of the invention；
Fig. 7 is the structural schematic diagram of the driver blade of the specific embodiment of breaker chamber interlock of the invention；
Fig. 8 is the top view of Fig. 7；
Fig. 9 is the structural schematic diagram of the shaft of the specific embodiment of breaker chamber interlock of the invention；
Figure 10 is the shaft of the specific embodiment of breaker chamber interlock of the invention, driver blade and shakes the assembly into hole baffle
Figure；
Figure 11 is that the state when shaft of the specific embodiment of breaker chamber interlock of the invention is in anti-rotation long hole is shown
It is intended to；
Figure 12 is the status diagram when shaft in Figure 11 is in circular hole；
Figure 13 is the state when breaker of the specific embodiment of breaker chamber interlock of the invention is not returned to testing position
Figure；
Figure 14 is locking set when the breaker of the specific embodiment of breaker chamber interlock of the invention is not returned to testing position
With the state diagram of ground connection locking plate；
Figure 15 is the partial view of the right view of Figure 14；
The breaker of the specific embodiment of breaker chamber interlock Figure 16 of the invention returns to state diagram when testing position；
Figure 17 be when the breaker of the specific embodiment of breaker chamber interlock of the invention returns to testing position locking set with
It is grounded the state diagram of locking plate；
Figure 18 is the partial view of the right view of Figure 17；
Figure 19 is the interlocking mechanism when cabinet door of the specific embodiment of breaker chamber interlock of the invention is in close state
Partial view；
Figure 20 is cabinet door interlock plate and seal box in the cabinet door of the specific embodiment of breaker chamber interlock of the invention
Assembling schematic diagram；
Figure 21 is that cabinet door joins when the earthing switch of the specific embodiment of breaker chamber interlock of the invention is in "on" position
The state diagram of jam plate；
Figure 22 is that the cabinet door of the specific embodiment of breaker chamber interlock of the invention closes the shape of back sealed box and limit sleeve
State figure；
Figure 23 is that the cabinet door of the specific embodiment of breaker chamber interlock of the invention closes the shape of front sealed box and limit sleeve
State figure；
Figure 24 is the inside structure schematic diagram of the cabinet door of the specific embodiment of breaker chamber interlock of the invention；
Figure 25 is the enlarged drawing of part A in Figure 24；
Figure 26 is the top view of Figure 25；
Figure 27 is the structural schematic diagram of the fixed chute in Figure 26；
Figure 28 is the structural schematic diagram of the driver blade in Figure 26；
Figure 29 is the partial structural diagram of the cabinet body of the specific embodiment of breaker chamber interlock of the invention；
Figure 30 is the enlarged drawing of the part B in Figure 29；
Figure 31 is the structural schematic diagram of the limit sleeve of the specific embodiment of breaker chamber interlock of the invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of breaker chamber interlock of the invention: as shown in Figure 1, switchgear includes cabinet body 1, cabinet door 2
With breaker chamber interlock.In the present embodiment, when not specified, cabinet door refers to the door of breaker chamber, and cabinet door is in open circuit
The front side of device room.Breaker chamber interlock includes circuit interrupter grounding switch interlocking device 3.As shown in Fig. 2, circuit interrupter grounding is opened
Being associated with locking device 3 includes the ground connection locking plate 31 for realizing breaker and earthing switch interlocking, and ground connection locking plate 31 constitutes breaker
The breaker of ground switch interlocking device passes in and out locking part, and ground connection locking plate 31 is by moving left and right the division for being grounded switch
Lock.In other embodiments, breaker can not be interlocked with earthing switch, and same breaker chamber interlock may include and open circuit
It can be realized in device ground switch interlocking device and breaker shaken into shaking out the part interlocked, such as: it can be to remove and connect
Ground switch changes the position of earthing switch or interlocks with other component, and the interlocking of this part is specifically used to control breaker hand
Vehicle shakes into shaking out, and the locking part of breaker disengaging at this time can be interlock identical with ground connection interlocking chip architecture.This implementation
In ground connection locking plate 31 constitute breaker and pass in and out locking part, so that breaker chamber interlock in the present embodiment is passed through ground connection connection
Locking plate is not only able to realize the interlocking of breaker and earthing switch, while also achieving the interlocking of breaker and cabinet door, simplifies disconnected
The indoor interlock of road device.In other embodiments, ground connection locking plate can be other ground connection locking parts such as ground connection interlock plate.
As shown in Figures 2 to 4, cabinet body 1, which is equipped with, is in the indoor fixed frame 11 of breaker, and fixed frame 11 is equipped with open circuit
Device shakes into hole 32, and breaker shakes and shakes into hole baffle 33 into being equipped at hole 32.Ground connection locking plate 31 is oriented to sliding dress in left-right direction
It fits on fixed frame 11, for ground connection locking plate 31 when moving right, earthing switch be in gate-dividing state, is grounded locking plate 31 to moving to left
When dynamic, earthing switch is in "on" position.
In the present embodiment, understand for convenience, stretching fixed frame 11, which is in, when definition ground connection locking plate 31 moves right draws
It does well, earthing switch is in gate-dividing state at this time, and ground connection locking plate 31 is moved to the left ground connection locking plate 31 and retracts in not drawing
It does well, earthing switch is in "on" position at this time.
The shaft 34 being sequentially connected into hole baffle 33, shaft 34 are additionally provided with and shaken as shown in Fig. 6 to Figure 12, on fixed frame 11
It is sequentially connected with shaking into hole baffle 33 by driver blade 35, shaft 34 and driver blade rotation stop cooperate, and shaft 34 includes that section is flat
Round ground connection locking plate cooperation section 341 and section are that rectangular driver blade cooperates section 342, and ground connection locking plate 31 is equipped with anti-rotation
The driver blade cooperation section 342 of long hole 362 and the circular hole 361 radially penetrated through with anti-rotation long hole, shaft 34 is in anti-rotation long hole 362
Shaft 34 is not able to rotate when interior, and shaft 34 can rotate when the driver blade cooperation section of shaft 34 is in circular hole 361.
As shown in figure 11, when ground connection locking plate 31 does not pull out, shaft 34 is in the anti-rotation long hole 362 of ground connection locking plate 31
Interior, shaft 34 and 362 rotation stop of anti-rotation long hole cooperate, and shaft 34 cannot rotate, and causing to shake into hole baffle 33 cannot push, breaker
It shakes into hole 32 and closes, breaker cannot be shaken into operating position and be operated.
As shown in figure 12, when ground connection locking plate 31 pulls out, shaft 34 is in 361 position of circular hole of ground connection locking plate 31, turns
Axis 34 can rotate, and shaking into hole baffle 33 can push, and can unlock breaker and shake into hole 32, unlock breaker and shake into after hole 32
Breaker can be shaken into operating position and be operated.
As shown in Figure 13 to Figure 18, elasticity is equipped with locking set 39 along the longitudinal direction on fixed frame 11, and locking set 39 includes
Locking set major diameter section 391 and locking set path section 392, ground connection locking plate 31 are equipped with locking set major diameter section 391 in right and left
The locking cooperated to upper limit, which covers limit hole 36 and radially penetrates through with locking set limit hole 36, covers path section 392 or so for locking
Mobile pilot hole 38, locking set by spring, elasticity is assemblied on fixed frame 11 along the longitudinal direction, locking cover by pressure to
After preceding movement, locking set major diameter section 391 leaves locking of the locking set releasing of limit hole 36 to ground connection locking plate 31, at this time ground connection connection
Locking plate 31 can move left and right.
As shown in FIG. 13 to 15, when breaker 4 is not returned to testing position, the lance 41 on breaker 4 cannot be with fixation
39 contact of locking set on frame 11, ground connection locking plate 31 cannot retract, and pull-out state is in always, so that earthing switch be kept to begin
It is in gate-dividing state eventually.
As shown in FIG. 15 to 18, when breaker 4 returns to testing position, lance 41 bumps against locking set, locking on breaker
Set path section 361 can move left and right in pilot hole 38, and ground connection locking plate 31 can retract.
Breaker chamber interlock further includes the interlocking mechanism connecting with ground connection locking plate 31, and ground connection locking plate 31 passes through connection
Latch mechanism and cabinet door 2, which are realized, to be interlocked, and as shown in Figure 19 to Figure 30, interlocking mechanism includes being arranged on ground connection locking plate 31 along front and back
The lever 51 that direction extends, be arranged on lever 51 can fore-aft travel limit sleeve 52, on the active strokes of limit sleeve 52
With for limiting the locking position that lever 51 moves left and right and the solution lock-bit on rear side of locking position, limit sleeve 52 is in unlock
The limit that lever 51 is moved in left and right directions when position.Limit sleeve 52 in the present embodiment constitutes the locating part of interlocking mechanism,
In other embodiments, limit sleeve can be limit plate, such as using connection described in cited file in specification background technique
Jam plate.Lever 51 constitutes the blocking lever of interlocking mechanism, and in other embodiments, blocking lever can not be lever, but with behaviour
Make the pin shaft that handle parallel interval is fixed on ground connection locking plate, certainly, the form for being grounded locking plate is different, can be with for lever
Situation about being not arranged on ground connection locking plate, blocking lever can also be not arranged on ground connection locking plate, and be arranged and interlocked in ground connection
The other positions of piece, for example, with ground connection locking plate transmission connection pull rod on etc..
As shown in Figure 22 and Figure 31, limit sleeve 52 includes limit sleeve major diameter section 521 and limit sleeve path section 522, limit sleeve
Major diameter section 521 is in the rear side of limit sleeve path section 522, and in the present embodiment, as shown in Figure 3 and Figure 4, fixed frame 11 is equipped with limit
Position hole 111 and the fixed frame long hole 112 radially penetrated through with limit hole 111, limit hole 111 is when cabinet door 2 is opened and in lock
Upper limit cooperation is moved left and right the limit sleeve major diameter section 521 of the limit sleeve 52 of stop bit in left and right directions with limiting lever 51.Cabinet
Door 2 presses limit sleeve 52 when closed and moves to solution lock-bit backward, the limit sleeve path section 522 of the limit sleeve 52 in solution lock-bit
It moves left and right so that limit sleeve 52 releases the limit to lever 51.
As shown in figure 23, the rear end of limit sleeve 52 is equipped with reset spring 55, and one end top of reset spring 55 is mounted in ground connection connection
On locking plate 31, the other end protrudes into the rear end face that top inside 52 limit sleeve major diameter section 521 of limit sleeve is mounted in limit sleeve path section 522
On, lever 51 is equipped with the backing pin 511 in limit sleeve 52 front side and the cooperation of 52 front end block of limit sleeve, limits limit sleeve 52
It is detached from locking position.
Interlocking mechanism further includes cabinet door interlock plate 53 and the seal box 54 that is fixed in cabinet door 2, and cabinet door interlock plate 53 is along a left side
Right direction guiding is slidedly assemblied on seal box 54.The opening of seal box 54 towards cabinet door 2, on seal box 54 be open it is opposite
Side wall is the first side wall 541, and in the present embodiment, cabinet door 2 presses limit when closed, by the first side wall 541 of seal box 54
Set 52 is moved to solution lock-bit from locking position.
Cabinet door interlock plate 53 through seal box 54 and is slidingly sealed cooperation with the first side wall 541.It is set on cabinet door interlock plate 53
There is a lever jack 531, in the present embodiment, cabinet door interlock plate 53 constitutes the cabinet door locking part of interlocking mechanism, lever jack 531
Constitute the interlocking bar jack on cabinet door locking part.Lever 51 is inserted into lever jack 531 when cabinet door 2 is closed, and makes to grasp
Make handle 51 and cabinet door interlock plate 53 synchronize move left and right.In order to realize the operation to ground connection locking plate, lever 51 is usual
Cabinet door 2 is stretched out, in the present embodiment, the cabinet door long hole 21 moved left and right for lever 51 is offered in cabinet door 2.Similarly, seal box
54 the first side wall 541 is equipped with seal box long hole 542, and seal box long hole 542 also guarantees the left and right normal movement of lever 51,
The width dimensions of usual seal box long hole 542 are greater than the section maximum length of lever 51, in order to guarantee limit sleeve 52 and sealing
Box 54 stablizes cooperation, and in the present embodiment, the front end of limit sleeve 52 is equipped with turns edge 523 outside, for increasing limit sleeve 52 and first
The contact area of side wall 541.
In the present embodiment, cabinet door interlock plate 53 and the first side wall 541 are slidingly sealed cooperation, the length of cabinet door interlock plate 53 with
Width is sufficiently large, guarantees that cabinet door interlock plate 53 covers seal box long hole 542 always in its shift motion, to realize that cabinet door is long
Hole 21 and being isolated in switchgear, guarantee the sealing of inside switch cabinet.In other embodiments, in order to guarantee the close of inside switch cabinet
Envelope, cabinet door interlock plate, which also can be set the opening in seal box and be in cabinet door, is slidingly sealed cooperation, and guarantees the cabinet door interlock plate beginning
Covering cabinet door long hole eventually.
In the present embodiment, interlocking mechanism further include cabinet door handle lock 56 and with cabinet door handle lock 56 link driver plate 57,
Driver plate 57 is equipped with breaker and interlocks hole 571, disconnected in being inserted into when being grounded separating brake for cabinet door interlock plate 53 after the closing of cabinet door 2
Road device interlocks hole 571 to realize the locking to cabinet door handle lock 56, and cabinet door handle lock 56 passes through driver plate 57 and cabinet door interlock plate
53 realize interlocking, and the driver plate 57 in the present embodiment constitutes the driving member of interlocking mechanism to link with cabinet door handle lock 56.
U-shaped fixed chute 23 is fixed in cabinet door 2,23 notch of fixed chute is arranged backwards to 2 direction of cabinet door, fixed chute 23
Tool is there are two the side wall perpendicular to cabinet door 2, and the extending direction of fixed chute 23 is identical as the direction of motion of driver plate 57, driver plate
57 are slidedly assemblied in fixed chute 23 on the side wall of seal box 54.Fixed chute 23 constitutes the fixed of interlocking mechanism and keeps
The side wall of part, fixed chute 23 is equipped with interlocking retaining hole 231 corresponding with 53 position of cabinet door interlock plate, after the closing of cabinet door 2,
When earthing switch is in ground connection separating brake, cabinet door interlock plate 53 is sequentially inserted into the interlocking hole 571 of the breaker on driver plate 57 and interlocking
Retaining hole 231, the interlocking retaining hole 231 in the present embodiment can be enhanced cabinet door interlock plate 53 with it is secured after the locking of cabinet door 2
Degree.Driver plate 57 is equipped with cabinet door locking bar 22, and cabinet body 1 is equipped with the locked groove 12 cooperated with 22 locking of cabinet door locking bar, this implementation
In example, cabinet door locking bar 22 is oriented to is slidedly assemblied on the side wall of fixed chute 23 along the vertical direction, the extension side of cabinet door locking bar 22
To the side wall perpendicular to fixed chute 23.Before 2 locking of cabinet door, cabinet door locking bar 22 is in the top of locked groove 12, and cabinet door 2 can be with
It opens；When 2 locking of cabinet door, cabinet door handle lock 56 is operated, drives driver plate 57 to move down, makes cabinet door locking bar 22 on driver plate 57
It is downwardly into locked groove 12, the locking of locked groove 12 and 22 locking of cabinet door locking bar cooperation realization cabinet door 2.Cabinet door lock in the present embodiment
There are two bar 22 is set, two about 22 cabinet door locking bars are arranged, the firmness after the locking of enhancing cabinet door 2 and cabinet body.This implementation
The side wall of fixed chute 23 in example is equipped with the long lumbar hole 232 vertically extended, and cabinet door locking bar 22 is slidedly assemblied in length
In waist hole.
The breaker chamber interlock of switchgear of the invention can be realized breaker chamber cabinet door 2 and connect by interlocking mechanism
Ground switch, the interlocking between breaker are prevented from being strayed into the function with monospace in perfect " five is anti-" interlocking, be prevented at breaker
In operating position, in the unlatching of high tension loop state breaker cabinet door 2, can only shake into breaker turning off the switch cabinet door 2
It connect to form high tension loop with main bus-bar to operating position；Only breaker returns to testing position, forms obvious isolated port
Afterwards, the cabinet door 2 that could open breaker chamber improves five anti-interlocks, promotes Medium Voltage Switchgear properties of product, ensure that middle pressure
The reliability and safety that switchgear operates with.
The breaker chamber interlock of switchgear of the invention realizes the cabinet door 2 of breaker chamber, earthing switch, breaker
Interlocking process is as follows:
As shown in figure 14, it is in testing position in breaker, ground connection locking plate 31 is in the state that do not pull out, and earthing switch, which is in, to be closed
Lock state cannot shake breaker into operating position and be operated.Meanwhile cabinet door interlock plate 53 is not inserted into breaking on driver plate 57
Road device interlocks hole 571, and driver plate 57 can move up and down, and cabinet door handle lock 56 is not locked out, and cabinet door 2 can beat on or off
It closes.
Cabinet door 2 in the open state, as shown in figure 23, limit sleeve 52 is in locking position, limits lever 51 or so
It is mobile, breaker cannot be shaken into operating position and be operated, meanwhile, earthing switch is maintained at contact of earth position.It will be breaking
Device shakes proceed to operating position before, ground connection locking plate 31 should be pulled out, need to shut cabinet door 2 at this time, the of the seal box 54 in cabinet door 2
One side wall 541 presses limit sleeve 52 and is moved to solution lock-bit from locking position, and lever 51 can move left and right at this time, operates lever
51 pull out ground connection locking plate 31, real in the ground connection interlocking jack that lever 51 drives cabinet door interlock plate 53 to be inserted on driver plate 57
Now to the locking of cabinet door 2, while making grounding switch tripping.
Ground connection interlock assembly is in pull-out state, and unlock breaker shakes into hole 32, can be shaken to breaker into work
Position operation.It shakes after being in operating position into breaker, ground connection locking plate 31 cannot retract, and lever 51 can not move left and right
Operation, cabinet door interlock plate 53, which is inserted into always in breaker interlocking hole 571, keeps cabinet door 2 to be locked and cannot be opened；It protects simultaneously
It holds earthing switch and is in gate-dividing state always.
Front, back, left, right, up, down in the present embodiment is only that convenience sets the description of structure relative position.
In the other embodiments of breaker chamber interlock of the invention, cabinet door locking part can be mutual with cabinet door handle lock
Blocking lever, can also directly with cabinet door hand handle interlock, even cabinet door handle lock is in the unlocked state, cabinet door locking part keep
Locking to cabinet door hand handle, cabinet door still cannot be opened；Cabinet door interlocking member can not be interlocked with cabinet door handle lock, can be on cabinet body
Directly setting with when be grounded separating brake with the interlocking interlocking structure of cabinet door locking part, due to cabinet door locking part setting in cabinet door
On, the locking of cabinet door and cabinet body may be implemented by cabinet door locking part and interlocking structure, such as: it can similar common keeper formula
Structure；Above-mentioned cabinet door locking part, which can also be, is fixed on ground connection manipulator upper, operational grounding manipulator's handle after cabinet door closing
Cabinet door locking part is driven to move left and right the locking and unlocking realized to cabinet door；In other embodiments, above-mentioned seal box can be with block
Structure, cabinet door locking part, which is slidingly sealed, to be assemblied on block structure.
Claims (9)
1. breaker chamber interlock passes in and out locking part with the breaker of breaker interlocking to realize including that can move left and right,
Be characterized in that: the breaker disengaging locking part is connected with the interlocking mechanism for interlocking with cabinet door, and interlocking mechanism includes setting
The blocking lever that extends along the longitudinal direction on breaker disengaging locking part, be arranged on blocking lever can fore-aft travel locating part,
Have on the active strokes of locating part for limiting the locking position that blocking lever moves left and right and the solution lock-bit on rear side of locking position,
Have on locating part when cabinet door is closed by pressure so that locating part is pressed by locking position to the part in compression of solution lock-bit；It is described
Interlocking mechanism further includes cabinet door locking part and provides the elastic reset for moving to the active force of locking position by solution lock-bit for locating part
Part；Cabinet door locking part is moved left and right with blocking lever when breaker is in operating position when cabinet door is closed with blocking lever cooperation
It keeps cabinet door to lock, the locking to cabinet door can be released when breaker is in testing position.
2. breaker chamber interlock according to claim 1, it is characterised in that: the cabinet door locking part and blocking lever edge
Blocking lever extending direction is slidably matched, and the interlocking mechanism includes the mounting base for being fixed on the inside of cabinet door, the cabinet door connection
Latch fitting is oriented to is slidedly assemblied in mounting base in left-right direction.
3. breaker chamber interlock according to claim 2, it is characterised in that: cabinet door locking part is inserted equipped with blocking lever
Hole, blocking lever are inserted into the interlocking bar jack when cabinet door is closed to realize that cabinet door locking part is moved left and right with blocking lever.
4. breaker chamber interlock according to claim 2 or 3, it is characterised in that: the blocking lever by breaker into
The lever of locking part is constituted out, and mounting base be seal box of the opening towards cabinet door, on seal box on the side wall opposite with opening
With the seal box long hole moved left and right after passing through for lever, cabinet door locking part is that the side wall opposite with seal box upper opening is sliding
The interlock plate of dynamic sealing cooperation.
5. breaker chamber interlock according to claim 1 or 2 or 3, it is characterised in that: the dynamic clamping head and quiet clamping head is set
The reset spring being located on blocking lever, the interlocking mechanism further include for being fixed on the intracorporal fixed frame of cabinet, the locating part
Cooperation is limited in left-right direction with fixed frame when in locking position to move left and right to limit blocking lever.
6. breaker chamber interlock according to claim 5, it is characterised in that: the locating part is to prolong along the longitudinal direction
The limit sleeve stretched, the limit sleeve include limit sleeve major diameter section and the limit sleeve path section on front side of limit sleeve major diameter section, institute
Fixed frame is stated equipped with limit hole and the fixed frame long hole that radially penetrates through with limit hole, limit hole when the door is opened be in
The limit sleeve major diameter section of the limit sleeve of locking position limits cooperation in left-right direction and is moved left and right with limiting blocking lever；Fixed frame long hole
Limit sleeve path section when cabinet door is closed for the limit sleeve in solution lock-bit is moved left and right to release the limit to blocking lever.
7. breaker chamber interlock according to claim 5, it is characterised in that: one end top of the reset spring is mounted in
Breaker passes in and out on locking part, and on locating part, blocking lever, which is equipped with, to be kept off on front side of locating part with locating part on other end top
The Stop structure only cooperated.
8. breaker chamber interlock according to claim 1 or 2 or 3, it is characterised in that: the interlocking mechanism further includes
Cabinet door handle lock and the driving member to link with cabinet door handle lock, the cabinet door locking part with driving member interlocking by realizing to cabinet door
Interlocking.
9. breaker chamber interlock according to claim 8, it is characterised in that: interlocking mechanism further includes for being fixed on
Fixation holder in cabinet door, driving member are passed through equipped with corresponding for cabinet door locking part to realize cabinet door locking part to cabinet door
The breaker of locking interlocks hole, and fixed holder is passed through equipped with corresponding with breaker interlocking hole for cabinet door locking part to keep
To the interlocking retaining hole of the locking of cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702956.XA CN109412063B (en) | 2017-08-16 | 2017-08-16 | Interlocking device of breaker chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702956.XA CN109412063B (en) | 2017-08-16 | 2017-08-16 | Interlocking device of breaker chamber |
Publications (2)
| Publication Number | Publication Date |
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| CN109412063A true CN109412063A (en) | 2019-03-01 |
| CN109412063B CN109412063B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702956.XA Active CN109412063B (en) | 2017-08-16 | 2017-08-16 | Interlocking device of breaker chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110797787A (en) * | 2019-11-09 | 2020-02-14 | 许昌许继软件技术有限公司 | Switch cabinet and interlocking device of switch cabinet door and circuit breaker handcart |
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| Publication number | Publication date |
|---|---|
| CN109412063B (en) | 2020-09-04 |
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