CN206236569U - A kind of high-voltage switch gear isolates grounding interlocking device - Google Patents
A kind of high-voltage switch gear isolates grounding interlocking device Download PDFInfo
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- CN206236569U CN206236569U CN201621191022.1U CN201621191022U CN206236569U CN 206236569 U CN206236569 U CN 206236569U CN 201621191022 U CN201621191022 U CN 201621191022U CN 206236569 U CN206236569 U CN 206236569U
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- plate
- isolation
- operating shaft
- bent plate
- xiamen
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Abstract
The utility model discloses a kind of high-voltage switch gear isolation grounding interlocking device, include ground knife operating shaft, push rod, Xiamen jam plate, knife operation baffle plate, interlocking connecting lever, transmission bent plate, isolation jam plate, isolated operation gear, middle gate interlock bent plate and isolation driver plate；The switching for rotating accordingly knife operating shaft open position and closing position of described ground knife operating shaft；The reach of gate interlock bent plate and rear shifting in being driven by the Push And Release of middle door；The reach and rear shifting of Xiamen jam plate are driven by the Push And Release of Xiamen；Isolate driver plate and move horizontally by disconnecting switch combined floodgate and separating brake drive；The device is suitable for the interlocking of Zong Xuan isolated operations mechanism and earthed switch, is the interlock for being more suitable for current power safety using the installation of switch cubicle side plate, simple structure, perfect interlock, is remarkably improved the reliability and economy of switch cubicle.
Description
Technical field
The utility model is related to the technical field of high-tension switch gear, refers in particular to a kind of high-voltage switch gear isolation ground connection interlocking
Device.
Background technology
High-tension switch gear should have high security and prevents maloperation function, in order to avoid the personnel for causing and goods and materials
Injures and deaths and loss, therefore switch cubicle should have perfect anti-error mechanical interlocks:Have prevent by mistake a point falsely close circuit breaker,
On-load division disconnecting switch (or stab contact) is prevented, switch with ground (or ground wire) power transmission is prevented, is prevented powered splice grafting
Ground switchs (or hanging earthing conductor), mistakenly entering charged chamber etc. " five prevent " function is prevented, so as to effectively prevent electric fault-operation accident
Generation.Disconnecting switch be have between contact at point position meet the insulation distance of regulation requirement and it is obvious disconnect mark,
Can be carried when closing position electric current under normal loop condition and at the appointed time under exceptional condition electric current switchgear.Ground connection
Switch is a kind of mechanical switch device for loop to be grounded.For Zong Xuan isolated operations mechanism and the connection of earthed switch
Lock, isolation is different with the interlocking of guide rail transmission action before and after from other, accordingly, it would be desirable to a kind of be applied to vertical rotation isolated operation
Mechanism, simple structure, the interlock of safe and reliable, perfect interlock.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided it is a kind of it is simple and reasonable, take up room
High-voltage switch gear small, that maloperation function is prevented with reliability isolates grounding interlocking device.
In order to realize above-mentioned purpose, a kind of high-voltage switch gear isolation grounding interlocking device provided by the utility model, bag
Included ground knife operating shaft, push rod, Xiamen jam plate, knife operation baffle plate, interlocking connecting lever, transmission bent plate, isolation jam plate, isolated operation
Gear, middle gate interlock bent plate and isolation driver plate；The rotation of described ground knife operating shaft accordingly knife operating shaft open position and
The switching of closing position；The reach of gate interlock bent plate and rear shifting in being driven by the Push And Release of middle door；By the Push And Release of Xiamen
Drive the reach and rear shifting of Xiamen jam plate；Isolate driver plate and move horizontally by disconnecting switch combined floodgate and separating brake drive；Institute
State interlocking connecting lever be placed on ground knife operating shaft on and the interlocking connecting lever with knife operating shaft rotate jointly；Set on the interlocking connecting lever
Limited location boss and postive stop baffle；The transmission bent plate is installed on high-voltage switch gear side plate and the transmission bent plate can be in vertical direction
Upper movement, the upper and lower ends of the transmission bent plate same side respectively with isolate jam plate and ground knife operation baffle plate is mutually fixedly connected；
The Xiamen jam plate is located at ground knife operating shaft lower section and Xiamen jam plate is formed with the crotch for being arranged on interlocking connecting lever rear；It is described
The positive stop lug boss for locking connecting lever allows the position that moves up and down of knife operation baffle plate of turning up the soil in ground knife operating shaft open position, and in ground knife
Prevent ground knife operation baffle plate from falling during operating shaft closing position, the postive stop baffle of connecting lever of interlocking is in ground knife operating shaft closing position
The movable position of Xiamen jam plate is got out of the way, and prevents Xiamen jam plate from opening in ground knife operating shaft open position；The isolation
Operation gear is located at isolation jam plate front upper place and the isolated operation gear is movable；The isolation driver plate is located at isolation lock
Plate top and the isolation driver plate with transmission bent plate it is perpendicular, wherein, it is described isolation driver plate isolate close a floodgate when isolation conjunction
Stretched out towards transmission bent plate during lock；The middle gate interlock bent plate is located at isolation driver plate right side, wherein, the middle gate interlock bent plate
The hook-type that end is formed behind isolation driver plate is raised；The direction of the isolation driver plate is transmitted when bent plate stretches out and hook
Shape projection is engaged and prevents middle gate interlock bent plate from opening, and secondly, the isolation driver plate is isolated when being stretched out towards transmission bent plate
Jam plate can not go up shifting, prevent the isolated operation gear from moving backward after being moved on the isolation jam plate；The push rod is fixedly connected
On ground knife operation baffle plate.
Further, the transmission bent plate is provided with pilot hole；The transmission bent plate operates baffle plate phase by connecting pin with ground knife
Connection.
The utility model uses above-mentioned scheme, its advantage be have prevent from closing under earthed switch "on" position every
From, it is to avoid there is earth fault in power transmission when loop is grounded；Closed a floodgate with earthed switch under preventing isolation from closing state, it is to avoid loop
Earthed switch is closed during power transmission and earth fault occurs；With preventing from opening Xiamen when earthed switch does not close, it is to avoid maintenance people
Member's mistakenly entering charged chamber in switch cabinet electrified causes casualties；Opened with middle door under preventing isolation from closing state, it is to avoid
Maintainer touches powered position and by mistake combination switch.The device is suitable for the connection of Zong Xuan isolated operations mechanism and earthed switch
Lock, is that the interlocking for being more suitable for current power safety is filled using the installation of switch cubicle side plate, simple structure, perfect interlock
Put, be remarkably improved the reliability and economy of switch cubicle.
Brief description of the drawings
Fig. 1 is interlock structure schematic diagram of the present utility model.
Fig. 2 is the right view of interlock of the present utility model.
Fig. 3 is the rearview of interlock of the present utility model.
Fig. 4 is the front view of interlock of the present utility model.
Fig. 5 is the rearview of the earthed switch "on" position of interlock of the present utility model.
Fig. 6 is that the isolation of interlock of the present utility model closes the front view of state.
Wherein, 1- ground knife operating shaft, 2- push rods, 3- Xiamen jam plate, 31- crotches, 4- ground knife operation baffle plate, 5- interlockings are turned
Arm, 51- positive stop lug boss, 52- postive stop baffles, 6- transmission bent plates, 61- connecting pins, 62- pilot holes, 7- isolation jam plates, 8- isolation behaviour
Make gear, gate interlock bent plate in 9-, 10- isolation driver plates.
Specific embodiment
The utility model is further described with reference to specific embodiment.
Referring to shown in accompanying drawing 1 to accompanying drawing 6, in the present embodiment, a kind of high-voltage switch gear isolates grounding interlocking device, includes
Ground knife operating shaft 1, push rod 2, Xiamen jam plate 3, knife operation baffle plate 4, interlocking connecting lever 5, transmission bent plate 6, isolation jam plate 7, isolation
Operation gear 8, middle gate interlock bent plate 9 and isolation driver plate 10.The rotation of the ground knife operating shaft 1 accordingly separating brake of knife operating shaft 1
Position and the switching of closing position；The reach of gate interlock bent plate 9 and rear shifting in being driven by the Push And Release of middle door；By Xiamen
Push And Release drives the reach and rear shifting of Xiamen jam plate 3；Drive the water for isolating driver plate 10 with separating brake by being closed a floodgate to disconnecting switch
Translation is dynamic；The interlocking connecting lever 5 is placed in ground knife operating shaft 1, and the interlocking connecting lever 5 and the common rotation of ground knife operating shaft 1；It is described
Positive stop lug boss 51 and postive stop baffle 52 are provided with interlocking connecting lever 5；The transmission bent plate 6 is installed on high-voltage switch gear side plate and should
The in the vertical direction movement of transmission bent plate 6, wherein, it is provided with pilot hole 62 on transmission bent plate 6 and is engaged with the pilot hole 62
Connecting pin, vertically moving up and down for transmission bent plate 6 is realized by pilot hole 62 and connecting pin；Described transmission bent plate 6 the same side
The upper and lower ends in face respectively with isolate jam plate 7 and ground knife operation baffle plate 4 be mutually fixedly connected, wherein, transmission bent plate 6 with pass through be connected
Pin 61 is connected with ground knife operation baffle plate 4；The Xiamen jam plate 3 is located at the lower section of ground knife operating shaft 1 and Xiamen jam plate 3 is formed with and sets
Put the crotch 31 at interlocking connecting lever 5 rear；The push rod 2 is fixedly connected on ground knife operation baffle plate 4；The isolated operation gear
8 are located at the isolation front upper place of jam plate 7 and the isolated operation gear 8 can move forward and backward；The isolation driver plate 10 is located at isolation lock
The top of the plate 7 and isolation driver plate 10 is perpendicular with transmission bent plate 6, wherein, the isolation driver plate 10 court in isolation combined floodgate
Stretched out to transmission bent plate 6；The middle gate interlock bent plate 9 is located at transmission bent plate 6 and middle gate interlock bent plate 9 is located at the transmission He of bent plate 6
Between isolation driver plate 10, wherein, the hook-type that the middle end of gate interlock bent plate 9 is formed behind isolation driver plate 10 is convex
Play 91；It is described interlocking connecting lever 5 positive stop lug boss 51 allowed in ground knife 1 open position of operating shaft turn up the soil knife operation baffle plate 4 on move down
Dynamic position, and prevent ground knife operation baffle plate 4 from falling in ground knife 1 closing position of operating shaft, the postive stop baffle 52 of connecting lever 5 of interlocking
The movable position of Xiamen jam plate 3 is got out of the way during knife 1 closing position of operating shaft on ground, and in ground knife 1 open position of operating shaft
Prevent Xiamen jam plate 3 from opening；The isolation driver plate 10 is engaged and prevents when being stretched out towards transmission bent plate 6 with hook-type projection 91
Middle gate interlock bent plate 9, it is secondly, described to isolate driver plate 10 towards transmission bent plate（6）Isolating jam plate 7 when stretching out can not go up shifting, with
The ground knife operation baffle plate 4 that isolation jam plate 7 links into an integrated entity can not go up shifting and open, and earthed switch can not be operated；When on isolation jam plate 7
Block isolated operation gear 8 after shifting to move backward, isolated operation can not be realized；When isolated operation gear 8 moves to rear portion
Operation isolation is acted.
In the present embodiment, the interlocking process of high-voltage switch gear isolation grounding interlocking device has situations below：
1）Isolate with conjunction under preventing earthed switch "on" position, it is to avoid earth fault occurs in power transmission when loop is grounded：Connect
Ground switch "on" position when, interlocking connecting lever 5 rotate counterclockwise, positive stop lug boss 51 in horizontal level, prevent ground knife operation baffle plate 4,
Transmission bent plate 6 and isolation jam plate 7 are moved down, and isolation jam plate 7 keeps off behind isolated operation gear 8 preventing from moving thereafter reaching prevents operation
The purpose of isolation.
2）Closed a floodgate with earthed switch under preventing disconnecting switch from closing state, it is to avoid close earthed switch during the power transmission of loop,
Avoid the occurrence of earth fault：Isolation driver plate 10 is moved to right and blocks isolation jam plate 7, transmission bent plate 6 and when disconnecting switch closes state
The path moved on ground knife operation baffle plate 4, makes ground knife operation baffle plate 4 to open, and earthed switch cannot operate combined floodgate.
3）With preventing from opening Xiamen when earthed switch does not close, it is to avoid maintainer is strayed into band in switch cabinet electrified
Electricity interval causes casualties：When earthed switch does not close, the postive stop baffle 52 on interlocking connecting lever 5 blocks Xiamen jam plate 3 to be made
It cannot be opened, and Xiamen cannot open；Only when earthed switch closes, the postive stop baffle 52 on interlocking connecting lever 5 rotates 90 ° to be allowed
Opening Xiamen jam plate 3 makes it freely to open and close, so as to allow the folding of Xiamen, it is ensured that personnel's ability under the Grounding of loop
In access switch cabinet.
4）Opened with middle door under preventing disconnecting switch from closing state, it is to avoid maintainer touches powered position and runs jointly by mistake
Close：When disconnecting switch closes state, isolation driver plate 10 is moved to right and blocks middle gate interlock bent plate 9, it is opened, middle door nothing
Method is opened；Only in disconnecting switch open mode, isolation driver plate 10 moves to left and gets out of the way middle gate interlock bent plate 9 and it is freely beaten
Push And Release is closed, thus in allowing door folding, it is ensured that disconnecting switch open in the case of personnel could open in door safeguarded
Operation.
The embodiment of the above is only preferred embodiment of the present utility model, and any form is not done to the utility model
On limitation.Any those of ordinary skill in the art, in the case where technical solutions of the utility model ambit is not departed from, using upper
The technology contents for stating announcement make more possible variations and retouching to technical solutions of the utility model, or modification is this practicality
New Equivalent embodiments.Therefore all contents without departing from technical solutions of the utility model, made according to the thinking of the utility model
Equivalent equivalence changes, all should be covered by protection domain of the present utility model.
Claims (2)
1. a kind of high-voltage switch gear isolation grounding interlocking device, includes ground knife operating shaft（1）, push rod（2）, Xiamen jam plate（3）,
Knife operates baffle plate（4）, interlocking connecting lever（5）, transmission bent plate（6）, isolation jam plate（7）, isolated operation gear（8）, middle gate interlock it is curved
Plate（9）With isolation driver plate（10）, by rotating described ground knife operating shaft（1）Switching ground knife operating shaft（1）Open position and
Closing position；Gate interlock bent plate in being driven by the Push And Release of middle door（9）Reach and rear shifting；Driven by the Push And Release of Xiamen
Xiamen jam plate（3）Reach and rear shifting；Isolate driver plate by closing a floodgate to be driven with separating brake to disconnecting switch（10）Move horizontally；
It is characterized in that：The interlocking connecting lever（5）It is placed on ground knife operating shaft（1）The upper and interlocking connecting lever（5）With ground knife operating shaft（1）Altogether
With rotation；The interlocking connecting lever（5）On be provided with positive stop lug boss（51）And postive stop baffle（52）；The transmission bent plate（6）Install
In on high-voltage switch gear side plate and the transmission bent plate（6）In the vertical direction is moved, the transmission bent plate（6）Same side it is upper and lower
Two ends respectively with isolate jam plate（7）Baffle plate is operated with ground knife（4）Mutually it is fixedly connected；The Xiamen jam plate（3）Positioned at the operation of ground knife
Axle（1）Lower section and Xiamen jam plate（3）It is formed with and is arranged on interlocking connecting lever（5）The crotch at rear（31）；The interlocking connecting lever（5）'s
Positive stop lug boss（51）In ground knife operating shaft（1）Allowed during open position turn up the soil knife operation baffle plate（4）The position for moving up and down, and on ground
Knife operating shaft（1）Ground knife operation baffle plate is prevented during closing position（4）Fall, connecting lever of interlocking（5）Postive stop baffle（52）In ground knife
Operating shaft（1）Xiamen jam plate is got out of the way during closing position（3）Movable position, and in ground knife operating shaft（1）During open position
Prevent Xiamen jam plate（3）Open；The isolated operation gear（8）Positioned at isolation jam plate（7）Front upper place and the isolated operation tooth
Wheel（8）It is movable；The isolation driver plate（10）Positioned at isolation jam plate（7）Top and the isolation driver plate（10）It is curved with transmitting
Plate（6）It is perpendicular, wherein, the isolation driver plate（10）When disconnecting switch is closed a floodgate towards transmission bent plate（6）Stretch out；In described
Gate interlock bent plate（9）Positioned at transmission bent plate（6）Top and middle gate interlock bent plate（9）Positioned at transmission bent plate（6）With isolation driver plate
（10）Between, wherein, the middle gate interlock bent plate（9）End is formed positioned at isolation driver plate（10）Hook-type below is raised
（91）；The isolation driver plate（10）Towards transmission bent plate（6）It is raised with hook-type when stretching out（91）It is engaged and prevents the middle couplet on the door
Lock bent plate（9）Open, secondly, the isolation driver plate（10）Towards transmission bent plate（6）Isolate jam plate when stretching out（7）Can not go up
Move, the isolation jam plate（7）The isolated operation gear is prevented after upper shifting（8）Move backward；The push rod（2）It is fixedly connected on
Ground knife operation baffle plate（4）On.
2. a kind of high-voltage switch gear according to claim 1 isolates grounding interlocking device, it is characterised in that：The transmission bent plate
（6）It is provided with pilot hole（62）；The transmission bent plate（6）By connecting pin（61）Baffle plate is operated with ground knife（4）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191022.1U CN206236569U (en) | 2016-10-31 | 2016-10-31 | A kind of high-voltage switch gear isolates grounding interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191022.1U CN206236569U (en) | 2016-10-31 | 2016-10-31 | A kind of high-voltage switch gear isolates grounding interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206236569U true CN206236569U (en) | 2017-06-09 |
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ID=58990235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191022.1U Active CN206236569U (en) | 2016-10-31 | 2016-10-31 | A kind of high-voltage switch gear isolates grounding interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206236569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211826A (en) * | 2019-04-26 | 2019-09-06 | 新机电器有限公司 | Interlocking mechanism in on-load switch |
| CN114496642A (en) * | 2022-01-12 | 2022-05-13 | 平高集团有限公司 | Interlock device of grounding switch and cable chamber door of gas-filled cabinet and gas-filled cabinet |
-
2016
- 2016-10-31 CN CN201621191022.1U patent/CN206236569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211826A (en) * | 2019-04-26 | 2019-09-06 | 新机电器有限公司 | Interlocking mechanism in on-load switch |
| CN114496642A (en) * | 2022-01-12 | 2022-05-13 | 平高集团有限公司 | Interlock device of grounding switch and cable chamber door of gas-filled cabinet and gas-filled cabinet |
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