CN110211826B - Interlocking mechanism in load switch - Google Patents
Interlocking mechanism in load switch Download PDFInfo
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- CN110211826B CN110211826B CN201910344019.0A CN201910344019A CN110211826B CN 110211826 B CN110211826 B CN 110211826B CN 201910344019 A CN201910344019 A CN 201910344019A CN 110211826 B CN110211826 B CN 110211826B
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- 238000002955 isolation Methods 0.000 claims abstract description 118
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 6
- 235000008659 Pteris ensiformis Nutrition 0.000 claims description 2
- 240000001625 Pteris ensiformis Species 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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Abstract
The invention discloses an interlocking mechanism in a load switch, which comprises an operation panel, wherein the operation panel comprises a front plate surface and a rear plate surface, a switch main shaft, a ground knife operation shaft and an isolation operation shaft are rotationally arranged on the rear plate surface, switch holes, ground knife holes and isolation holes are respectively formed in positions corresponding to the switch main shaft, the ground knife operation shaft and the isolation operation shaft on the front plate surface, isolation baffles are arranged on the front plate surface, ground knife baffles are correspondingly arranged on the front plate surface, a connecting plate is slidably arranged on the rear plate surface, one end of the connecting plate is in linkage fit with the isolation baffles to form shielding and opening of the isolation holes, the other end of the connecting plate is in linkage fit with the ground knife baffles to form shielding and opening of the ground knife holes, a reset torsion spring is arranged on the rear plate surface, an isolation shielding plate is arranged on the rear plate surface, a linkage fit with an interlocking block is arranged on the switch main shaft, an isolation driving block is arranged on the isolation operation shaft, and a ground knife driving block is arranged on the ground knife operation shaft.
Description
Technical Field
The invention relates to the technical field of load switches, in particular to an interlocking mechanism in a load switch.
Background
The load switch is a switching device between a circuit breaker and a disconnecting switch, and is provided with a simple arc extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current. In the using process of the load switch, the following safety requirements are required to be met, and after the load switch shaft is turned and closed, the isolating cutter shaft and the grounding cutter shaft cannot be operated; after the isolating knife is switched on, the grounding knife operation shaft cannot be operated; after the grounding knife is switched on, the load switch shaft and the isolation knife cannot be operated; the existing interlocking mechanism is complex in structure, numerous in parts, difficult in actual operation, complex in linkage relation among parts, easy to cause safety accidents if operators forget a certain operation key, and complicated in parts can cause trouble to front-stage and rear-stage installation and maintenance.
Disclosure of Invention
The invention provides an interlocking mechanism in a load switch, which aims to solve the problem that the linkage relation among parts in the prior art is complex, and an operator forgets one step to easily cause safety accidents.
The utility model provides an interlocking device in load switch, includes operating panel, operating panel includes preceding face and back face, the last rotation of back face is provided with the switch main shaft that is used for divide-shut brake load switch, the ground sword operating shaft that is used for divide-shut brake earthing knife and the isolation operating shaft that is used for divide-shut brake isolation, switch hole, ground sword hole and isolating hole have been seted up to the position that corresponds switch main shaft, ground sword operating shaft and isolation operating shaft on the preceding face respectively, the last upper and lower sliding of corresponding isolating hole position of preceding face is provided with the isolation baffle, the last sliding of face corresponds ground sword hole position and is provided with the ground sword baffle, the last linkage plate that slides of back face is provided with of linkage plate, linkage plate one end and isolation baffle linkage cooperation form the shielding and opening to the isolation hole, the other end and the linkage plate cooperation form the isolation hole, be provided with the reset torsion spring that is used for making the linkage plate slide back reset on the back face on the face correspond the isolating hole position and have the isolation plate, the last shutter plate is provided with the isolation lug that slides down, the linkage plate is used for making the reset spring that is used for making the linkage plate slide and is used for the operation to be used for limiting the time to change the linkage plate to cover the linkage plate to drive the linkage plate to change when the linkage plate to rotate and is used for the linkage plate to change and is used for the linkage plate to operate the linkage plate to change and is used for the linkage plate to draw down, the linkage plate to be used for moving the time to cover the linkage plate to be used for limiting when the linkage plate to change and the linkage plate to be used for moving to the operation and the linkage plate to be used for the operation to and the linkage.
The technical scheme is beneficial in that: the isolating hole, the grounding hole and the switch hole are sequentially arranged from top to bottom, the isolating hole, the grounding hole and the switch hole are used for being inserted into the operating handle, so that the operation of rotating the isolating operating shaft, the grounding operating shaft and the switch main shaft is realized, when an operator operates the main switch to close, the operating interlocking block rotates, one end of the interlocking block is abutted on the isolating shielding plate, the isolating shielding plate moves downwards to block the isolating hole, so that the operating handle cannot be inserted into the isolating hole to operate isolation, the other end of the interlocking block is abutted on the connecting plate, the connecting plate is blocked from moving downwards, the ground knife baffle cannot slide up and down, so that the ground knife hole cannot be exposed, the operator cannot operate the ground knife, the isolating driving block and the ground knife driving block are arranged, so that the ground knife hole cannot be closed when the isolating hole can operate, the ground knife hole can be closed and can not be operated when being operated, so that an operator can not operate another operation hole by mistake when operating, thereby causing a safety accident, the setting of the lug can not operate the isolation hole and the switch hole when operating the ground knife hole, the setting of the reset torsion spring can automatically reset to the initial position to form the shielding of the ground knife hole and the isolation hole when not limited by the ground knife driving block and the isolation driving block, the error of the operator can be avoided to operate the ground knife hole and the isolation hole, the setting of the telescopic spring can reset and move upwards when the isolation shielding plate is not interfered by the interlocking block, the opening of the isolation hole is formed, the operation of the isolation hole by the operator is convenient, the interlocking structure is simple, the realization is facilitated, the assembly is convenient, the rotation of the isolation operation shaft, the ground operation shaft and the switch main shaft is effectively realized, simultaneously the yoke plate can be reset through the spring after opening and relieving external force, avoids the exposure of operation hole, avoids external impurity to get into, effectively avoids the maloperation simultaneously, improves the result of use and the reliability of equipment.
The invention further provides that: the utility model discloses a floor knife baffle, including the link plate, the link plate is equipped with the plectrum that is used for driving the link plate and slides from top to bottom, the last sliding groove that supplies the plectrum to wear to establish of operating panel has been seted up, the baffle articulates to set up on the preceding face, the isolation bolt is worn to be equipped with to isolation baffle one end, and the other end shields the isolation hole, the last isolation groove that supplies the isolation bolt to wear to establish is seted up along isolation baffle swing direction of operating panel, isolation baffle passes through isolation bolt linkage cooperation with the link plate upper end, the articulated setting of floor knife baffle is on the face in front, floor knife bolt is worn to floor knife baffle one end, and the other end shields the floor knife hole, the last floor knife groove that supplies the floor knife bolt to wear to establish along floor knife baffle swing direction of operating panel, floor knife baffle passes through floor knife bolt linkage cooperation with the link plate lower extreme.
The technical scheme is beneficial in that: the operating personnel can drive the yoke plate through shifting up or shifting down the plectrum and slide from top to bottom, when the yoke plate shifts up, isolation baffle swing opens the isolation hole for the isolation hole can be operated, through isolation bolted connection and realization linkage between isolation baffle and the yoke plate, when making isolation operating shaft operation, when the yoke plate moves down, the ground sword baffle swing opens the ground sword hole, make the ground sword hole can be operated, through ground sword bolted connection and realization linkage between ground sword baffle and the yoke plate, this aspect sets up and can lets operating personnel go up soon, avoid leading to the production of potential safety hazard because of little error, this kind of technical scheme simple structure, be convenient for realize.
The invention further provides that: the upper end of the connecting plate is provided with a first baffle, the lower end of the connecting plate is provided with a second baffle, the isolation driving block rotates along with the isolation operation shaft and is in interference fit with the first baffle to limit the connecting plate to slide downwards to form shielding of the ground knife hole, and the ground knife driving block rotates along with the ground knife operation shaft and is in interference fit with the second baffle to limit the connecting plate to slide upwards to form shielding of the isolation hole and shielding of the lug to the switch hole.
The technical scheme is beneficial in that: when operating personnel rotates the isolation operation axle, the isolation driving block rotates and the first separation blade interference fit restriction yoke plate moves down for the ground sword hole is shielded and can not operated, and when operating personnel rotates the ground sword operation axle, the ground sword driving block rotates and the interference fit restriction yoke plate of second separation blade moves up, makes isolation hole and switch hole be shielded and can not operated, avoids operating personnel when operating isolation hole or ground sword hole, and the error has operated other operation holes and has aroused the incident, has also guaranteed the stability between the two simultaneously.
The invention further provides that: the utility model discloses a baffle, including back face, baffle, guide bolt, interlocking piece, the baffle includes the matte and slides the board, the baffle sets up in the isolation hole top, the guide way that supplies the guide bolt to wear to establish is offered along upper and lower direction on the board that slides, the guide bolt slides from top to bottom at the back face with the cooperation of guide way formation baffle, the interlocking piece rotates and sets up between yoke plate and baffle, have first fixture block and second fixture block on the interlocking piece, be provided with the third separation blade on the board that slides, first fixture block rotates along with the interlocking piece and pushes down the shielding of third separation blade formation matte to the isolation hole, the second fixture block rotates along with the interlocking piece and contradicts the spacing of yoke plate pair yoke plate.
The technical scheme is beneficial in that: when the main shaft of the operation switch is switched on, an operator rotates the interlocking block, so that the first clamping block rotates to collide with the third baffle plate to enable the isolation shielding plate to move downwards to drive the shielding plate to shield the isolation hole, and meanwhile, the second clamping block rotates to collide with the connecting plate to form the connecting plate which can not move downwards, so that the ground knife hole is shielded, and potential safety hazards are avoided when the operator operates the main shaft of the switch, and the ground knife hole or the isolation hole is operated by mistake.
The invention further provides that: the utility model discloses a door is provided with operation panel, operation panel below still is provided with down door interlocking mechanism, it is provided with the ground sword sunshade to slide on the back face, lower door interlocking mechanism is including setting up fixed plate and the lower door upper edge in lower door top, the connecting rod corresponds the fixed plate position extension and is provided with the slider, the slider passes the fixed plate setting, the cover is equipped with reset spring on the slider, reset spring one end and slider fixed connection, the other end and fixed plate fixed connection set up, the slider corresponds lower door upper edge position extension and is provided with the conflict piece, conflict piece and lower door upper edge interference fit, lower door upper edge breaks away from with the conflict piece and forms reset spring and releases reset drive connecting rod and moves up when the lower door is opened.
The technical scheme is beneficial in that: the lower door for overhauling is further arranged below the operation panel, the lower door can be opened, the fixing plate is fixedly connected with the lower door, when the lower door is opened, the upper edge of the lower door on the upper wall of the lower door is separated from the collision block, the reset spring resets to drive the sliding block to move upwards on the fixing plate, the sliding block drives the connecting rod to move upwards, the connecting rod is connected with the ground knife shielding plate, the connecting rod moves upwards to drive the ground knife shielding plate to shield the ground knife hole, when the lower door is opened, the ground knife hole cannot be operated, so that accidental injury to operators caused by the ground knife after the lower door is opened is avoided, and the linkage relation between the ground knife hole and the lower door is improved.
The invention further provides that: still including setting up transfer line and cardboard on the lower door in the lower door interlocking device, the transfer line sets up with the cooperation of ground sword operating axle, the transfer line corresponds the cardboard position and extends to be provided with the transmission turning arm, the transmission turning arm sets up with the transfer line is articulated, the transfer line down swing drives the transmission turning arm and contradicts and form the spacing that opens and shuts of lower door on the cardboard when ground sword brake operation.
The technical scheme is beneficial in that: the transmission crank arm swing sets up on the lower door, and transmission crank arm and the articulated cooperation of transfer line, and when operating personnel carried out ground knife break-in operation, the transfer line swing drove the transmission crank arm and descends for the transmission crank arm pushes down the baffle, causes ground knife break-in lower door can not be lifted and open, makes avoid operating personnel's mistake to open the lower door and cause the incident when operating ground knife.
The invention further provides that: the back board surface is provided with an electromagnet driving end, and a locking groove is formed in the connecting board corresponding to the position of the electromagnet driving end.
The technical scheme is beneficial in that: when operating personnel electrifies the switch lower extreme, electro-magnet drive end intercommunication is electrified for lock post in the electro-magnet drive end stretches out and inserts in the locked groove, makes the yoke plate can not slide, makes the switch lower extreme electrified time ground sword can not carry out the closing operation, and this kind of setting avoids operating personnel error operation ground sword hole and causes the potential safety hazard.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a rear panel of the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a front panel of the present invention;
FIG. 3 is a schematic view of the structure of the rear panel of the present invention;
FIG. 4 is a schematic view of the front panel structure of the present invention;
fig. 5 is a schematic side view of the present invention.
Detailed Description
An interlocking mechanism in a load switch comprises an operation panel 1, wherein the operation panel 1 comprises a front panel surface 12 and a rear panel surface 13, a switch main shaft 2 for opening and closing the load switch, a ground knife operation shaft 3 for opening and closing a ground knife and an isolation operation shaft 4 for opening and closing isolation are rotatably arranged on the rear panel surface 13, a switch hole 21, a ground knife hole 31 and an isolation hole 41 are respectively formed in the front panel surface 12 at positions corresponding to the switch main shaft 2, the ground knife operation shaft 3 and the isolation operation shaft 4, an isolation baffle 42 is arranged on the front panel surface 12 at positions corresponding to the isolation hole 41 in a sliding manner up and down, a ground knife baffle 32 is arranged on the front panel surface 12 at positions corresponding to the ground knife hole 31 in a sliding manner up and down, the back plate surface 13 is provided with a connecting plate 11 in a sliding way, one end of the connecting plate 11 is in linkage fit with an isolation baffle 42 to form shielding and opening of the isolation hole 41, the other end of the connecting plate 11 is in linkage fit with a ground knife baffle 32 to form shielding and opening of the ground knife hole 31, the back plate surface 13 is provided with a reset torsion spring 17 which is in linkage fit with the connecting plate 11 and is used for resetting after the connecting plate 11 slides, the back plate surface 13 is provided with an isolation shielding plate 43 in a sliding way up and down corresponding to the position of the isolation hole 41, the back plate surface 13 is provided with a telescopic spring 44 which is used for resetting after the isolation shielding plate 43 slides, the switch main shaft 2 is in linkage fit with an interlocking block 16 which is used for driving the isolation shielding plate 43 to slide to shield the isolation hole 41 and limiting the connecting plate 11 to slide to shield the ground knife hole 31 during a switch-on operation, the isolating operation shaft 4 is provided with an isolating driving block 45 for limiting the sliding of the link plate 11 when the isolating operation shaft 4 rotates so as to shield the ground knife hole 31, the ground knife operation shaft 3 is provided with a ground knife driving block 34 for limiting the sliding of the link plate 11 when the ground knife operation shaft 3 rotates so as to shield the isolating hole 41 and the switch hole 21, the link plate 11 is also provided with a lug 22 for shielding the switch hole 21 when the link plate 11 slides downwards, the link plate 11 is provided with a shifting piece 15 in linkage fit, the operation panel 1 is provided with a sliding groove 14 for the shifting piece 15 to pass through, the isolating baffle 42 is hinged on the front panel 12, the isolation baffle 42 is provided with an isolation bolt 46 in a penetrating way at one end and a shielding isolation hole 41 at the other end, the operation panel 1 is provided with an isolation groove 47 for penetrating the isolation bolt 46 along the swinging direction of the isolation baffle 42, the isolation baffle 42 is in linkage fit with the upper end of the joint plate 11 through the isolation bolt 46, the ground knife baffle 32 is hinged on the front plate surface 12, one end of the ground knife baffle 32 is provided with a ground knife bolt 35 in a penetrating way, the other end of the ground knife baffle 32 shields the ground knife hole 31, the operation panel 1 is provided with a ground knife groove 36 for penetrating the ground knife bolt 35 along the swinging direction of the ground knife baffle 32, the ground knife baffle 32 is in linkage fit with the lower end of the joint plate 11 through the ground knife bolt 35, the upper end of the yoke plate 11 is provided with a first baffle plate 111, the lower end is provided with a second baffle plate 112, the isolation driving block 45 rotates along with the isolation operation shaft 4 and is in interference fit with the first baffle plate 111 to limit the yoke plate 11 to slide downwards to form the shielding of the ground knife hole 31, the ground knife driving block 34 rotates along with the ground knife operation shaft 3 and is in interference fit with the second baffle plate 112 to limit the yoke plate 11 to slide upwards to form the shielding of the isolation hole 41 and the shielding of the lug 22 to the switch hole 21, the rear plate surface 13 is provided with a guide bolt 432, the isolation shielding plate 43 comprises a shielding plate 433 and a sliding plate 434, the shielding plate 433 is arranged above the isolation hole 41, the sliding plate 434 is provided with a guide slot 435 along the up-down direction for the guide bolt 432 to penetrate, the guide bolt 432 and the guide slot 435 cooperate to form the up-down sliding of the isolation shielding plate 43 on the rear plate surface 13, the interlocking block 16 is rotatably arranged between the interlocking plate 11 and the isolation shielding plate 43, the interlocking block 16 is provided with a first clamping block 161 and a second clamping block 162, the sliding plate 434 is provided with a third baffle 431, the first clamping block 161 rotates along with the interlocking block 16 to press down the third baffle 431 to form the shielding of the shielding plate 433 on the isolation hole 41, the second clamping block 162 rotates along with the interlocking block 16 to abut against the interlocking plate 11 to form the limit of the interlocking plate 11, the lower door interlocking mechanism 5 is also arranged below the operation panel 1, the rear panel 13 is provided with a ground knife shielding plate in a sliding way, the lower door interlocking mechanism 5 comprises a fixed plate 52 arranged above a lower door and a lower door upper edge 53, a sliding block 51 is arranged at the position of a connecting rod corresponding to the fixed plate 52 in an extending way, the sliding block 51 penetrates through the fixed plate 52 to be arranged, a return spring 56 is sleeved on the sliding block 51, one end of the return spring 56 is fixedly connected with the sliding block 51, the other end of the return spring is fixedly connected with the fixed plate 52, a collision block 54 is arranged at the position of the sliding block 51 corresponding to the lower door upper edge 53 in an extending way, the collision block 54 is in a collision fit with the lower door upper edge 53, the lower door upper edge 53 and the abutting block 54 are separated to form a reset spring 56 to release the reset driving connecting rod to move upwards when the lower door is opened, the lower door interlocking mechanism 5 also comprises a transmission rod 57 and a clamping plate 58 which are arranged on the lower door, the transmission rod 57 is arranged in a linkage way with the ground knife operation shaft 3, the transmission rod 57 is extended to be provided with a transmission crank arm 59 corresponding to the clamping plate 58, the transmission crank arm 59 is hinged with the transmission rod 57, the transmission rod 57 swings downwards to drive the transmission crank arm 59 to abut against the clamping plate 58 to form the opening and closing limit of the lower door when the ground knife is opened and closed, a locking groove 114 is formed in the connecting plate 11 at a position corresponding to the driving end 113 of the electromagnet.
When an operator operates the switch main shaft 2 to switch on, the interlocking block 16 is rotated, a first clamping block 161 on the interlocking block 16 presses down to abut against a third baffle 431, the isolation shielding plate 43 moves down to enable the shielding plate 433 to shield the isolation hole 41, the isolation hole 41 cannot be operated, a second clamping block 162 abuts against the connecting plate 11, the connecting plate 11 is limited to move down and cannot enable the ground knife hole 31 to be shielded by the ground knife baffle 32, and the ground knife operation shaft 3 cannot switch on; when an operator operates the isolation operation shaft 4 to close, the upper poking piece 15, the poking piece 15 drives the connecting plate 11 to move upwards so that the isolation baffle plate 42 is opened to form exposure of the isolation hole 41, at the moment, the operator operates the isolation to close, and rotates the isolation operation shaft 4 to drive the isolation driving block 45 to rotate and abut against the first baffle plate 111 so that the connecting plate 11 cannot move downwards, the ground knife hole 31 is covered by the ground knife baffle plate 32, the ground knife cannot close, and the main switch can be closed; when an operator operates the ground knife to switch on, the lower poking piece 15 drives the connecting plate 11 to move downwards, and the ground knife operation shaft 3 rotates to drive the ground knife driving block 34 to be in interference fit with the second baffle piece 112, so that the lug 22 on the connecting plate 11 moves downwards to shield the switch hole 21, the main switch cannot switch on at the moment, the connecting plate 11 is limited by the ground knife driving block 34 in an interference manner, so that the connecting plate 11 cannot move upwards, the isolation hole 41 is shielded by the isolation baffle plate 42, and at the moment, the isolation cannot switch on; when an operator operates the lower door, the lower door is opened, the upper edge 53 of the lower door is separated from the abutting block 54, the reset spring 56 resets to drive the sliding block 51 to move upwards on the fixed plate 52, the sliding block 51 drives the connecting rod to move upwards, the connecting rod is connected with the ground knife shielding plate, the connecting rod moves upwards to drive the ground knife shielding plate to shield the ground knife hole 31, and at the moment, the ground knife cannot be separated; when an operator operates the ground knife switch, the ground knife switch enables the transmission rod 57 to swing to drive the transmission crank arm 59 to press down and abut against the clamping plate 58, so that the lower door cannot be lifted up and opened; when an operator energizes the lower end of the switch, a lock cylinder in the electromagnet driving block extends out and is inserted into the lock groove 114, and the linkage plate 11 is limited to slide, so that the earth knife cannot perform the opening operation.
Claims (5)
1. The utility model provides an interlocking device among load switch, includes operating panel, operating panel includes preceding face and back face, rotate on the back face and be provided with the switch main shaft that is used for divide-shut brake load switch, be used for divide-shut brake earthing knife ground knife operating shaft and be used for divide-shut brake isolating operation shaft, switch hole, ground knife hole and isolating hole have been seted up to the position that corresponds switch main shaft, ground knife operating shaft and isolating operation shaft on the preceding face respectively, its characterized in that: the front plate surface is provided with an isolation baffle plate in a sliding manner up and down corresponding to the position of an isolation hole, the front plate surface is provided with a ground knife baffle plate in a sliding manner up and down corresponding to the position of the ground knife hole, the rear plate surface is provided with a linkage plate in a sliding manner, one end of the linkage plate is in linkage fit with the isolation baffle plate to form shielding and opening of the isolation hole, the other end of the linkage plate is in linkage fit with the ground knife baffle plate to form shielding and opening of the ground knife hole, the rear plate surface is provided with a reset torsion spring in linkage fit with the linkage plate to enable the linkage plate to reset after sliding of the linkage plate, the rear plate surface is provided with an isolation shutter plate in a sliding manner up and down corresponding to the position of the isolation hole, the switch spindle is in linkage fit with an interlocking block for driving the isolation shutter plate to slide to shield the isolation hole and limit the linkage plate to slide the ground knife hole during switching-on operation, the isolation operation shaft is provided with an isolation driving block for limiting the linkage plate to shield the ground knife hole during rotation of the isolation operation shaft, the ground knife operation shaft is provided with a reset torsion spring for limiting the isolation plate to slide the isolation plate when the isolation operation shaft rotates, the linkage plate is in a pull-through hole is arranged on the linkage plate is also arranged on the linkage plate, the linkage plate is in a front plate is provided with a linkage plate for sliding through the isolation plate, the isolation plate is provided with a through a linkage plate for sliding plate is in a linkage plate for limiting block for blocking hole is in a linkage plate, and the linkage plate is provided with a linkage plate is in a linkage plate for limiting block for blocking hole is in a linkage plate when a link is in rotation. The utility model provides a ground sword baffle, including ground sword baffle, operation panel, ground sword baffle, the ground sword baffle, the other end shields the ground sword hole, the last ground sword groove that supplies ground sword bolt to wear to establish of operation panel has been seted up along ground sword baffle swing direction, ground sword baffle and yoke plate lower extreme pass through ground sword bolt linkage cooperation, be provided with guide bolt on the back face, the isolation shutter includes the shielding plate and slides the board, the shielding plate sets up in the isolation hole top, the guide slot that supplies guide bolt to wear to establish has been seted up along upper and lower direction on the slide board, guide bolt and guide slot cooperation form isolation shutter and slide from top to bottom at the back face, the interlock piece rotates and sets up between yoke plate and isolation shutter, there are first fixture block and second fixture block on the interlock piece, be provided with the third separation blade on the slide board, first fixture block rotates along with the interlock piece and pushes down the shielding of third separation hole to form the shielding of shielding plate to the yoke plate, the second fixture block rotates along with the interlock piece and contradicts the yoke plate.
2. An interlock mechanism in a load switch as recited in claim 1, wherein: the upper end of the connecting plate is provided with a first baffle, the lower end of the connecting plate is provided with a second baffle, the isolation driving block rotates along with the isolation operation shaft and is in interference fit with the first baffle to limit the connecting plate to slide downwards to form shielding of the ground knife hole, and the ground knife driving block rotates along with the ground knife operation shaft and is in interference fit with the second baffle to limit the connecting plate to slide upwards to form shielding of the isolation hole and shielding of the lug to the switch hole.
3. An interlock mechanism in a load switch as recited in claim 1, wherein: the utility model discloses a door is provided with operation panel, operation panel below still is provided with down door interlocking mechanism, it is provided with the ground sword sunshade to slide on the back face, lower door interlocking mechanism is including setting up fixed plate and the lower door upper edge in lower door top, and the connecting rod corresponds the fixed plate position extension and is provided with the slider, the slider wears to establish the fixed plate setting, the cover is equipped with reset spring on the slider, reset spring one end and slider fixed connection, the other end and fixed plate fixed connection set up, the slider corresponds lower door upper edge position extension and is provided with the conflict piece, conflict piece and lower door upper edge conflict cooperation, lower door upper edge breaks away from with the conflict piece and forms reset spring and releases reset drive connecting rod and reciprocates down when the lower door is opened.
4. An interlock mechanism in a load switch as recited in claim 3, wherein: still including setting up transfer line and cardboard on the lower door in the lower door interlocking device, the transfer line sets up with the cooperation of ground sword operating axle, the transfer line corresponds the cardboard position and extends to be provided with the transmission turning arm, the transmission turning arm sets up with the transfer line is articulated, the transfer line down swing drives the transmission turning arm and contradicts and form the spacing that opens and shuts of lower door on the cardboard when ground sword brake operation.
5. An interlock mechanism in a load switch as recited in claim 1, wherein: the back board surface is provided with an electromagnet driving end, and a locking groove is formed in the connecting board corresponding to the position of the electromagnet driving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344019.0A CN110211826B (en) | 2019-04-26 | 2019-04-26 | Interlocking mechanism in load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344019.0A CN110211826B (en) | 2019-04-26 | 2019-04-26 | Interlocking mechanism in load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110211826A CN110211826A (en) | 2019-09-06 |
| CN110211826B true CN110211826B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910344019.0A Active CN110211826B (en) | 2019-04-26 | 2019-04-26 | Interlocking mechanism in load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110211826B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613461B (en) * | 2020-05-27 | 2022-06-10 | 南京海兴电网技术有限公司 | Interlocking mechanism suitable for outdoor alternating-current high-voltage isolating switch |
| US11476647B1 (en) | 2021-04-22 | 2022-10-18 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
| CN113161172B (en) * | 2021-05-08 | 2023-09-22 | 江苏洛凯机电股份有限公司 | Interlocking mechanism for breaker operating mechanism |
| CN113394055B (en) * | 2021-06-23 | 2022-07-05 | 宁波力顺继电器有限公司 | Relay convenient to equipment |
| CN113873790B (en) * | 2021-09-25 | 2023-06-27 | 廖长寿 | Full-sealed plastic shell operating mechanism of switch cabinet |
| CN114388282A (en) * | 2021-12-28 | 2022-04-22 | 北京四方继保工程技术有限公司 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
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| KR200280880Y1 (en) * | 2002-04-17 | 2002-07-06 | 정영옥 | The operating device for a section switch |
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|---|---|
| CN110211826A (en) | 2019-09-06 |
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