CN203871214U - High-voltage switchgear mechanical interlocking device with bidirectional control function - Google Patents
High-voltage switchgear mechanical interlocking device with bidirectional control function Download PDFInfo
- Publication number
- CN203871214U CN203871214U CN201420054140.2U CN201420054140U CN203871214U CN 203871214 U CN203871214 U CN 203871214U CN 201420054140 U CN201420054140 U CN 201420054140U CN 203871214 U CN203871214 U CN 203871214U
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- Prior art keywords
- breaker
- plate
- lockplate
- rod
- locking
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- Withdrawn - After Issue
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Abstract
The utility model discloses a high-voltage switchgear mechanical interlocking device with a bidirectional control function. A closing member comprises an upper closing member for opening and closing three-position (isolation/grounding) switch operation mechanism operation hole and a lower closing member for locking a breaker closing half shaft. Two ends of a rod member transmission mechanism are in transmission connection with the upper closing member and the lower closing member. A locking mechanism is in transmission connection with a breaker main shaft. The locking mechanism matches the rod member transmission mechanism. The breaker main shaft is rotated to drive the breaker to close. The locking mechanism locks the rod member transmission mechanism and the rod member transmission mechanism cannot move. The upper closing member closes operation mechanism operation hole and operation cannot be performed. The breaker main shaft is rotated in a reverse direction to open the breaker, the locking is released, the upper closing member is operated to open the operation hole and operation can be performed, the rod member transmission mechanism drives the lower closing member to lock the breaker closing half shaft and the breaker closing half shaft cannot be closed. The mechanical interlocking device solves the mechanical misoperation problem between a vacuum circuit breaker and a three-position switch operation mechanism, puts an end to accidents, and meets the switch device interlock function requirement.
Description
Technical field
The utility model relates to a kind of high voltage switchgear, and particularly a kind of high voltage switchgear has the mechanical interlocks of two-way control function, makes the operating mechanism of vacuum circuit-breaker and three stations (isolation/ground connection) switch have two-way control function.
Background technology
Indoor and the outdoor AC switchgear that high voltage switchgear refers to more than voltage 3kV, move in the electric power system of frequency 50Hz.It is mainly used in the control and protection of electric power system; both can a part of power equipment or circuit need to be dropped into or out of service according to operation of power networks; also can in the time of power equipment or line failure, faulty component be excised fast from electrical network, thereby ensure the normal operation of fault-free part in electrical network and equipment, personnel's safety.
High voltage switchgear comprises switch-fuse combination that vacuum circuit-breaker, isolating switch, earthed switch, automatic circuit, breaker, on-load switch, contactor, fuse and said elements combine, contactor-fuse (F-C) combined electrical apparatus, isolation on-load switch, Fuse switch, open combined electri cappliance etc.By said elements and combination and other electric equipment products (such as transformer, current transformer, voltage transformer, capacitor, reactor, lightning arrester, bus, inlet-outlet sleeve, cable termination and secondary component etc.) carry out reasonable disposition, organically be combined in metal enclosed shell, there is the product of relatively complete use function.As metal enclosed switchgear (switch cubicle), Cubicle Gas-Insulated Switchgear (GIS) and high voltage/low voltage preassembled transformer station etc.
Requirement according to electric power system " five is anti-" requirement and national standard relevant provision: must prevent that misoperation of high-pressure switchgear from causing power circuit accident or causing personal safety accident.Therefore, in high voltage switchgear, be equipped with mechanical interlocks, existing mechanical interlocks general satisfaction: vacuum circuit-breaker, under "on" position, can not operate three stations (isolation/ground connection) switch; Vacuum circuit-breaker, under gate-dividing state, can operate three stations (isolation/ground connection) switch.
But, as the last line of defense that prevents misoperation of high-pressure switchgear after electic protection and operation sequence inefficacy, at present, in engineering design and operation, mechanical interlocks is proposed to stricter requirement, be that vacuum circuit-breaker is in closing operation process or in the time of closing position, three stations (isolation/ground connection) circuit breaker lock, can not operate; Three stations (isolation/ground connection) switch is in operating process, and vacuum circuit-breaker locking, can not closing operation.The operating mechanism that the mechanical interlocks that meets this requirement can solve vacuum circuit-breaker and three stations (isolation/ground connection) switch mechanical anti-misoperation operational issue each other, stop the generation of personal safety accident, also met the functional requirement of electric power system switching devices interlocking simultaneously.But existing mechanical interlocks also cannot meet this strict demand.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, mechanical interlocks that high voltage switchgear that handling safety is reliable, easy to adjust, cost is low has two-way control function, can realize vacuum circuit-breaker in closing operation process or in the time of closing position, three stations (isolation/ground connection) circuit breaker lock, can not operate; Three stations (isolation/ground connection) switch is in operating process, and vacuum circuit-breaker locking, can not closing operation.
The purpose of this utility model realizes by following technical measures: a kind of high voltage switchgear has the mechanical interlocks of two-way control function, it is characterized in that: comprise rod member transmission mechanism, latching member and locking mechanism, described latching member comprises the upper latching member of the handle hole for opening and closing three stations (isolation/ground connection) switch operating mechanism and for locking the lower latching member of breaker closing semiaxis, the two ends of described rod member transmission mechanism respectively with upper latching member, lower latching member is in transmission connection, described locking mechanism and breaker main shaft are in transmission connection, described locking mechanism matches with described rod member transmission mechanism, when rotation breaker main shaft makes breaker closing, locking mechanism locking rod member transmission mechanism makes its akinesia, now going up latching member closes the handle hole of described operating mechanism it cannot be operated, when rotating backward breaker main shaft and making breaker open operation, unlock, in operation, latching member open operation hole can operate, meanwhile, by rod member transmission mechanism drive described lower latching member locking circuit breaker combined floodgate semiaxis so that circuit breaker cannot close a floodgate.
The utility model can be realized vacuum circuit-breaker in closing operation process or in the time of closing position, and three stations (isolation/ground connection) circuit breaker lock, can not operate; Three stations (isolation/ground connection) switch is in operating process, and vacuum circuit-breaker locking, can not closing operation.Therefore, the operating mechanism that the utility model can solve vacuum circuit-breaker and three stations (isolation/ground connection) switch mechanical anti-misoperation operational issue each other, stop the generation of personal safety accident, also met the functional requirement of electric power system switching devices interlocking simultaneously.
As a kind of execution mode of the present utility model, described upper latching member is a baffle plate, and described lower latching member comprises the rotating fanning strip that the semiaxis bent plate be located on breaker closing semiaxis and semiaxis bent plate match, described rod member transmission mechanism is mainly by horizontal three-station interlocking shaft, the vertical long connecting plate arranging in pairs, the two-way spindle that lateral rotation is installed, vertical adjusting rod, spring, trough plate and an interlock plate, trace interlock formation successively from top to bottom, one end of described three-station interlocking shaft is connected with described baffle plate, the other end is connected with the upper end of long connecting plate, the lower end of long connecting plate and one end of two-way spindle are hinged, the other end of two-way spindle and the upper end of adjusting rod are hinged, one end of described trough plate is rotated and is installed, the lower end of described adjusting rod contacts with in the groove of trough plate, described interlock plate horizontally set and taking its middle part be run-on point rotate install, one end of described interlock plate contacts with described trough plate, the other end of described interlock plate and the lower end of trace are hinged, upper end and the fanning strip of described trace are hinged, described locking mechanism comprises short connecting plate and lockplate, one end of described short connecting plate and the main shaft of circuit breaker are hinged, the top of described lockplate in short connecting plate, install for rotating one end of described lockplate, the other end of the other end and described short connecting plate is hinged, the upper end of described spring is fixed on the hinge point of lockplate, lower end is connected with trough plate, bottom at described adjusting rod is provided with locking piece, described locking piece matches with described lockplate, the main shaft rotation of circuit breaker makes breaker closing, by short connecting rod drive lockplate to horizontal level to be pushed against on locking piece, thereby adjusting rod is locked to whole rod member transmission mechanism, the main shaft reverse rotation of circuit breaker makes breaker open operation, drives lockplate to rotate to unlock by short connecting rod.
As optimal way of the present utility model, the cross section of described lockplate is " Π " shape, one end of described lockplate is hinged in the inner walls of high voltage switchgear, described adjusting rod is passed down through the pilot hole of the end face of lockplate, so that the lower end that ensures adjusting rod is all the time in the groove in trough plate.
As a kind of execution mode of the present utility model, the position that described interlock plate contacts with trough plate has projection, described interlock plate is hinged on bracing frame and is realized and rotate installation by its middle part, and support frame as described above is arranged on the housing inner bottom surface of described high voltage switchgear.
Adjusting rod described in the utility model is threaded rod, described locking piece is placed on adjusting rod by its internal thread hole, on adjusting rod, be also set with adjusting nut, described adjusting nut is positioned at the top of described locking piece, locking piece moves up and down to desired location and when the sustained height, and adjusting nut is pressed on locking piece and moves up and down to prevent locking piece from rotating.
The utility model can have following execution mode, below described trough plate, be provided with the circuit breaker interlocking shaft along trough plate horizontal expansion, described circuit breaker interlocking shaft rotates to be installed, described trough plate is fixed on described circuit breaker interlocking shaft, and trough plate can be rotated under the effect of described adjusting rod.
As recommendation execution mode of the present utility model, described three-station interlocking shaft, long connecting plate and two-way spindle are positioned at the housing internal upper part of high voltage switchgear, described adjusting rod is positioned at housing middle part, and described short connecting plate, lockplate, spring, trough plate, interlock plate, circuit breaker interlocking shaft and trace are positioned at housing bottom.
Compared with prior art, the utlity model has following significant effect:
(1) the operating mechanism of the vacuum circuit-breaker in high voltage switchgear and three stations (isolation/ground connection) switch carries out double locking by bi-directional conversion of the present utility model to breaker closing semiaxis, realize the mutual mechanical anti-misoperation operational lock of operating mechanism of vacuum circuit-breaker and three stations (isolation/ground connection) switch, meet the functional requirement of electric power system switching devices interlocking, safe and reliable.
(2) the adjusting nut on lockplate of the present utility model and adjusting rod is adjusted by position, in the time of breaker closing, ensure that baffle plate is locked in the centre position of the handle hole of three stations (isolation/ground connection) switch operation mechanism, baffle plate can not be to any direction rotation, realize three stations (isolation/ground connection) circuit breaker lock, can not operate; Pilot hole on lockplate ensures that adjusting rod can only move in the groove of trough plate.
(3) after release, baffle plate can clockwise or be rotated counterclockwise, optionally insert closing operation handle or the ground connection operating grip of three stations (isolation/ground connection) switch, carry out combined floodgate, separating brake (or isolation), the ground connection operation of three stations (isolation/ground connection) switch.And, need only baffle plate clockwise or be rotated counterclockwise, closing operation handle or the ground connection operating grip of three stations (isolation/ground connection) switch are inserted in handle hole, and the combined floodgate semiaxis of circuit breaker is just locked, and circuit breaker can not close a floodgate.
(4) trough plate is all rotated down under the effect of two adjusting rods that move up and down, another frid is also rotated down, thereby the operation of the bidirectional rotation of three stations (isolation/ground connection) switch operation mechanism is converted into the single function that is rotated down, ensure in the operating process of combined floodgate, separating brake (or isolation), ground connection of three stations (isolation/ground connection) switch, the combined floodgate semiaxis of circuit breaker is locked all the time, and circuit breaker can not close a floodgate.
(5) under the active force of spring, circuit breaker interlocking shaft remains the state being rotated counterclockwise, and trough plate remains with one or two in two adjusting rods that move up and down and contacts simultaneously, ensures the correct execution of two-way control command; Ensure the centre position of baffle plate (not being subject under the effect of external force) in the handle update hole of three stations (isolation/ground connection) switch operation mechanism.
(6) the utility model is simple in structure, operates reliable, easy to adjustly, and cost is low, is suitable for extensively promoting the use of.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is one of front view of the present utility model (being in the lock state);
Fig. 2 is one of end view of the present utility model (being in the lock state);
Fig. 3 is the front view (flapper closure handle hole) of the handle hole of the utility model three stations (isolation/ground connection) switch operation mechanism;
Fig. 4 is two (in released states) of end view of the present utility model;
Fig. 5 is two (in released state, and baffle plate rotates counterclockwise) of front view of the present utility model;
Fig. 6 is three (in released state, and baffle plate clockwise rotates) of front view of the present utility model;
Fig. 7 be end view of the present utility model three (in released state, baffle plate clockwise or rotate counterclockwise);
Fig. 8 be the utility model in the time that baffle plate rotates counterclockwise, one of front view of the handle hole of operation three stations (isolation/ground connection) switch operation mechanism;
Fig. 9 be the utility model in the time that baffle plate rotates counterclockwise, two of the front view of the handle hole of operation three stations (isolation/ground connection) switch operation mechanism;
Figure 10 be the utility model in the time that baffle plate clockwise rotates, one of front view of the handle hole of operation three stations (isolation/ground connection) switch operation mechanism;
Figure 11 be the utility model in the time that baffle plate clockwise rotates, two of the front view of the handle hole of operation three stations (isolation/ground connection) switch operation mechanism.
Embodiment
As shown in Fig. 1～11, it is the mechanical interlocks that a kind of high voltage switchgear of the utility model has two-way control function, comprise rod member transmission mechanism, latching member and locking mechanism, latching member comprises the upper latching member of the handle hole for opening and closing three-station isolating/grounding switch operating mechanism and for locking the lower latching member of breaker closing semiaxis, the two ends of rod member transmission mechanism respectively with upper latching member, lower latching member is in transmission connection, locking mechanism and breaker main shaft are in transmission connection, locking mechanism matches with rod member transmission mechanism, when rotation breaker main shaft makes breaker closing, locking mechanism locking rod member transmission mechanism makes its akinesia, the handle hole of now going up latching member shutoff operation mechanism cannot operate it, or breaker main shaft rotates backward while making breaker open operation, unlocks, in operation, latching member open operation hole can operate it, meanwhile, drives time combined floodgate semiaxis of latching member locking circuit breaker so that circuit breaker cannot close a floodgate by rod member transmission mechanism.
In the present embodiment, upper latching member is a baffle plate 20, and lower latching member comprises the rotating fanning strip 16 that the semiaxis bent plate 17 be located on breaker closing semiaxis and semiaxis bent plate 17 match, rod member transmission mechanism is mainly by horizontal three-station interlocking shaft 21, arrange in pairs vertical long connecting plate 1, the two-way spindle 7 that lateral rotation is installed, vertical adjusting rod 3, spring 5, trough plate 12 and an interlock plate 13, trace 15 interlock formation successively from top to bottom, one end of three-station interlocking shaft 21 is connected with baffle plate 20, the other end is connected with the upper end of long connecting plate 1, one end of the lower end of long connecting plate 1 and two-way spindle 7 is hinged, the upper end of the other end of two-way spindle 7 and adjusting rod 3 is hinged, two-way spindle is rotatably installed on the second support 2, the second support 2 is fixed on the inner top surface of housing 30, one end of trough plate 12 is rotated and is installed, in the groove of the lower end of adjusting rod 3 and trough plate 12, contact, interlock plate 13 horizontally sets and taking its middle part be run-on point rotate install, one end of interlock plate 13 contacts with trough plate 12, the lower end of the other end of interlock plate 13 and trace 15 is hinged, and the upper end of trace 15 and fanning strip 16 are hinged, locking mechanism comprises short connecting plate 10 and lockplate 8, one end of short connecting plate 10 and the main shaft of circuit breaker 11 are hinged, the top of lockplate 8 in short connecting plate 10, one end of lockplate 8 is hinged on the rotation installation that realizes this end on the first support 9, the first support 9 is fixed on the inwall of housing 30 of switchgear, the other end of the other end and short connecting plate 10 is hinged, the upper end of spring 5 is fixed on the hinge point of lockplate 8, lower end is connected with trough plate 12, be provided with locking piece 19 in the bottom of adjusting rod 3, locking piece 19 matches with lockplate 8, main shaft 11 rotations of circuit breaker make breaker closing, by short connecting plate 10 drive lockplate 8 to horizontal level to be pushed against on locking piece 19, thereby adjusting rod 3 is locked to whole rod member transmission mechanism, main shaft 11 reverse rotations of circuit breaker make breaker open operation, drive lockplate 8 to rotate to unlock by short connecting plate 10.
In the present embodiment, adjusting rod 3 is threaded rod, locking piece 19 is placed on adjusting rod 3 by its internal thread hole, on adjusting rod 3, be also set with adjusting nut 25, adjusting nut 25 is positioned at the top of locking piece 19, locking piece 19 moves up and down to desired location and when the sustained height, and adjusting nut 25 is pressed on locking piece 19 and moves up and down to prevent locking piece 19 from rotating.The cross section of lockplate 8 is " Π " shape, one end of lockplate 8 is hinged on the rotation installation that realizes this end on the first support 9, the first support 9 is fixed on housing 30 inwalls of high voltage switchgear, adjusting rod 3 is passed down through the pilot hole of the end face of lockplate 8, so that the lower end that ensures adjusting rod is all the time in the groove in trough plate.The position that interlock plate 13 contacts with trough plate 12 has projection 131, and interlock plate 13 is hinged on bracing frame 14 and is realized and rotate installation by its middle part, and bracing frame 14 is arranged on housing 30 inner bottom surfaces of high voltage switchgear.Below trough plate 12, be provided with along the circuit breaker interlocking shaft 6 of trough plate 12 horizontal expansions, circuit breaker interlocking shaft 6 rotates to be installed, and trough plate 12 is fixed on circuit breaker interlocking shaft 6, and trough plate can be rotated under the effect of adjusting rod.
Three-station interlocking shaft 21, long connecting plate 1 and two-way spindle 7 are positioned at housing 30 internal upper parts of high voltage switchgear, adjusting rod 3 is positioned at housing 30 middle parts, and short connecting plate 10, lockplate 8, spring 5, trough plate 12, interlock plate 13, circuit breaker interlocking shaft 6 and trace 15 are positioned at housing 30 bottoms.
The course of work of the present utility model is as follows:
In breaker closing process, by the rotation of breaker main shaft 11, drive short connecting rod 10 to move, lockplate 8 is rotated to horizontal level, pin two adjusting rods 3 that are connected with the operating mechanism of three stations (isolation/ground connection) switch, the locking piece 19 that is arranged on sustained height on two adjusting rods 3 is simultaneously locked, now two adjusting rods 3 are limited in horizontal level, can not move up and down, two adjusting rods 3 are connected with two-way spindle 7, two-way spindle 7 is locked, can not bidirectional rotation, the long connecting plate 1 being connected with two-way spindle 7 and be connected with the interlocking shaft 21 of three stations (isolation/ground connection) switch operation mechanism can not move up and down, the interlocking shaft 21 of three stations (isolation/ground connection) switch operation mechanism is lockable can not bidirectional rotation, locked with the baffle plate 20 of three stations (isolation/ground connection) switch operation mechanism interlocking shaft, 21 one, block the handle hole of three stations (isolation/ground connection) switch operation mechanisms.
As shown in Figure 3: the closing operation handle of three stations (isolation/ground connection) switch operation mechanism and ground connection operating grip all can not update hole in, realize in vacuum circuit-breaker closing operation process or in the time of closing position, three stations (isolation/ground connection) circuit breaker lock, can not operate.
As shown in Figure 4, when after breaker open operation, by the rotation of breaker main shaft 11, drive short connecting rod 10 to move, lockplate 8 is rotated, the mechanical interlocks release of two-way control function, now the mechanical interlocks of this two-way control function can bidirectional-movement.As shown in Fig. 5,7～9, in the time being rotated counterclockwise with the baffle plate 20 of interlocking shaft 21 one of three stations (isolation/ground connection) switch operation mechanism, the ground connection operating grip of three stations (isolation/ground connection) switch operation mechanism, with regard in energy update hole, can carry out separating brake (or isolation), the ground connection operation of three stations (isolation/ground connection) switch.As shown in Fig. 6,7 and 10,11, in the time turning clockwise with the baffle plate 20 of interlocking shaft 21 one of switch operation mechanism, the closing operation handle of three stations (isolation/ground connection) switch operation mechanism just can update hole in, carry out splitting or integrating lock (or isolation) operation of three stations (isolation/ground connection) switch.Meanwhile, when baffle plate 20 is clockwise or while being rotated counterclockwise, the interlocking shaft 21 of three stations (isolation/ground connection) switch operation mechanism also clockwise or be rotated counterclockwise, drives two short connecting plates 10 to move up and down, and two-way spindle 7 is also clockwise or be rotated counterclockwise, two adjusting rods 3 move up and down, trough plate 12 is all rotated down under the effect of two adjusting rods 3 that move up and down, another trough plate 12 is rotated down and drives interlock plate 13 to turn clockwise, thereby drive trace 15 to move upward, trace 15 drives fanning strip 16 to turn clockwise, make fanning strip 16 pin the semiaxis bent plate 17 on breaker closing semiaxis 18, combined floodgate semiaxis 18 is locked, no matter be now electric operating, or manual operation, because the combined floodgate semiaxis 18 of circuit breaker is locked, circuit breaker can not close a floodgate, realize three stations (isolation/ground connection) switch in operating process, vacuum circuit-breaker locking, can not closing operation.
Execution mode of the present utility model is not limited to this; according to foregoing of the present utility model; according to ordinary skill knowledge and the customary means of this area; do not departing under the above-mentioned basic fundamental thought of the utility model prerequisite; rod member transmission mechanism of the present utility model, latching member and locking mechanism all also have other execution mode; therefore the utility model can also be made amendment, replacement or the change of other various ways, within all dropping on the utility model rights protection scope.
Claims (7)
1. a high voltage switchgear has the mechanical interlocks of two-way control function, it is characterized in that: comprise rod member transmission mechanism, latching member and locking mechanism, described latching member comprises the upper latching member of the handle hole for opening and closing three-station isolating/grounding switch operating mechanism and for locking the lower latching member of breaker closing semiaxis, the two ends of described rod member transmission mechanism respectively with upper latching member, lower latching member is in transmission connection, described locking mechanism and breaker main shaft are in transmission connection, described locking mechanism matches with described rod member transmission mechanism, when rotation breaker main shaft makes breaker closing, locking mechanism locking rod member transmission mechanism makes its akinesia, now going up latching member closes the handle hole of described operating mechanism it cannot be operated, when rotating backward breaker main shaft and making breaker open operation, unlock, in operation, latching member open operation hole can operate, meanwhile, by rod member transmission mechanism drive described lower latching member locking circuit breaker combined floodgate semiaxis so that circuit breaker cannot close a floodgate.
2. high voltage switchgear according to claim 1 has the mechanical interlocks of two-way control function, it is characterized in that: described upper latching member is a baffle plate, described lower latching member comprises the rotating fanning strip that the semiaxis bent plate be located on breaker closing semiaxis and semiaxis bent plate match, described rod member transmission mechanism is mainly by horizontal three-station interlocking shaft, the vertical long connecting plate arranging in pairs, the two-way spindle that lateral rotation is installed, vertical adjusting rod, spring, trough plate and an interlock plate, trace interlock formation successively from top to bottom, one end of described three-station interlocking shaft is connected with described baffle plate, the other end is connected with the upper end of long connecting plate, the lower end of long connecting plate and one end of two-way spindle are hinged, the other end of two-way spindle and the upper end of adjusting rod are hinged, one end of described trough plate is rotated and is installed, the lower end of described adjusting rod contacts with in the groove of trough plate, described interlock plate horizontally set and taking its middle part be run-on point rotate install, one end of described interlock plate contacts with described trough plate, the other end of described interlock plate and the lower end of trace are hinged, upper end and the fanning strip of described trace are hinged, described locking mechanism comprises short connecting plate and lockplate, one end of described short connecting plate and the main shaft of circuit breaker are hinged, the top of described lockplate in short connecting plate, install for rotating one end of described lockplate, the other end of the other end and described short connecting plate is hinged, the upper end of described spring is fixed on the hinge point of lockplate, and lower end is connected with trough plate, bottom at described adjusting rod is provided with locking piece, described locking piece matches with described lockplate, the main shaft rotation of circuit breaker makes breaker closing, by short connecting rod drive lockplate to horizontal level to be pushed against on locking piece, thereby adjusting rod is locked to whole rod member transmission mechanism, the main shaft reverse rotation of circuit breaker makes breaker open operation, drives lockplate to rotate to unlock by short connecting rod.
3. high voltage switchgear according to claim 2 has the mechanical interlocks of two-way control function, it is characterized in that: the cross section of described lockplate is " Π " shape, one end of described lockplate is hinged in the inner walls of high voltage switchgear, described adjusting rod is passed down through the pilot hole of the end face of lockplate, so that the lower end that ensures adjusting rod is all the time in the groove in trough plate.
4. high voltage switchgear according to claim 3 has the mechanical interlocks of two-way control function, it is characterized in that: the position that described interlock plate contacts with trough plate has projection, described interlock plate is hinged on bracing frame and is realized and rotate installation by its middle part, and support frame as described above is arranged on the housing inner bottom surface of described high voltage switchgear.
5. high voltage switchgear according to claim 4 has the mechanical interlocks of two-way control function, it is characterized in that: described adjusting rod is threaded rod, described locking piece is placed on adjusting rod by its internal thread hole, on adjusting rod, be also set with adjusting nut, described adjusting nut is positioned at the top of described locking piece, locking piece moves up and down to desired location and when the sustained height, and adjusting nut is pressed on locking piece and moves up and down to prevent locking piece from rotating.
6. high voltage switchgear according to claim 5 has the mechanical interlocks of two-way control function, it is characterized in that: below described trough plate, be provided with the circuit breaker interlocking shaft along trough plate horizontal expansion, described circuit breaker interlocking shaft rotates to be installed, described trough plate is fixed on described circuit breaker interlocking shaft, and trough plate can be rotated under the effect of described adjusting rod.
7. high voltage switchgear according to claim 6 has the mechanical interlocks of two-way control function, it is characterized in that: described three-station interlocking shaft, long connecting plate and two-way spindle are positioned at the housing internal upper part of high voltage switchgear, described adjusting rod is positioned at housing middle part, and described short connecting plate, lockplate, spring, trough plate, interlock plate, circuit breaker interlocking shaft and trace are positioned at housing bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054140.2U CN203871214U (en) | 2014-01-27 | 2014-01-27 | High-voltage switchgear mechanical interlocking device with bidirectional control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054140.2U CN203871214U (en) | 2014-01-27 | 2014-01-27 | High-voltage switchgear mechanical interlocking device with bidirectional control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871214U true CN203871214U (en) | 2014-10-08 |
Family
ID=51652139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054140.2U Withdrawn - After Issue CN203871214U (en) | 2014-01-27 | 2014-01-27 | High-voltage switchgear mechanical interlocking device with bidirectional control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794390A (en) * | 2014-01-27 | 2014-05-14 | 广州白云电器设备股份有限公司 | Mechanical interlocking device with two-direction control function of high-voltage switchgear |
-
2014
- 2014-01-27 CN CN201420054140.2U patent/CN203871214U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794390A (en) * | 2014-01-27 | 2014-05-14 | 广州白云电器设备股份有限公司 | Mechanical interlocking device with two-direction control function of high-voltage switchgear |
| CN103794390B (en) * | 2014-01-27 | 2016-04-20 | 广州白云电器设备股份有限公司 | A kind of high voltage switchgear has the mechanical interlocks of double-direction control function |
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