CN105336525A - Interlocking device for switch device and switch cabinet using same - Google Patents
Interlocking device for switch device and switch cabinet using same Download PDFInfo
- Publication number
- CN105336525A CN105336525A CN201510840942.5A CN201510840942A CN105336525A CN 105336525 A CN105336525 A CN 105336525A CN 201510840942 A CN201510840942 A CN 201510840942A CN 105336525 A CN105336525 A CN 105336525A
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- China
- Prior art keywords
- groove section
- connecting rod
- groove
- stopping means
- cam contour
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention relates to an interlocking device for a switch device and a switch cabinet using the same. The interlocking device for the switch device comprises a connecting rod, a stander plate and a rotating wheel fixedly connected with a two-workstation mechanism gear, wherein the rotating wheel is provided with a cam contour groove, the cam contour groove is connected with one end of the connecting rod in a sliding manner, the other end of the connecting rod is hinged with a limiting device for limiting a half-shaft crank arm fixedly connected with a circuit breaker closing half shaft, and the limiting device is connected with the stander plate in a sliding manner and is driven by the connecting rod to make reciprocating linear movement on the stander plate; the cam contour groove comprises a first groove section, a second groove section and a third groove section, and two ends of the first groove section are connected with the second and third groove sections; when the connection end of the connecting rod and the cam contour groove stays on the first groove section, the limiting device stays on a first position in the linear movement direction; and when the connection end of the connecting rod and the cam contour groove stays on the second and third groove sections, the limiting device stays on second and third positions in the linear movement direction, so that the problem that the two-workstation mechanism cannot be interlocked with a longitudinally arranged circuit breaker can be solved.
Description
Technical field
The present invention relates to medium voltage switchgear equipment field, particularly a kind of interlock for switchgear and use the switch cubicle of this interlock.
Background technology
In current medium voltage switchgear equipment, general and the chassis vehicle of circuit breaker is with the use of the interlock of the closing position and isolated location that realize two station mechanisms, but, thisly be only applicable to circuit breaker major loop transverse arrangement of turbo with the use of mode and the isolating switch structure that in chassis vehicle push-on process, insulating contact closes a floodgate, circuit breaker longitudinally arranged, circuit breaker move to service position after the insulating contact isolating switch structure of carrying out again closing a floodgate then cannot use.
Summary of the invention
The object of this invention is to provide a kind of interlock for switchgear, to solve the problem cannot interlocked between two station mechanisms and the circuit breaker longitudinally arranged.
In addition, the present invention also aims to provide the switch cubicle using above-mentioned interlock.
Technical scheme of the present invention is: a kind of interlock for switchgear, comprise connecting rod, frame plate, for the moving runner fixing with two station mechanism gears, moving runner is provided with cam contour groove, one end of cam contour groove and connecting rod is slidably connected, the other end of connecting rod is with hinged for the stopping means spacing to the semiaxis connecting lever be fixedly connected with breaker closing semiaxis, and stopping means and frame plate are slidably connected and can do linear reciprocating motion on frame plate under the drive of connecting rod; Cam contour groove comprises first, second and third groove section, the two ends of the first groove section are connected with second and third groove section, when connecting rod and cam contour groove link are in the first groove section, stopping means is in primary importance on linear movement direction, and when being in second and third groove section, stopping means is in second and third position on linear movement direction.
The arc groove sections such as first, second and third described groove section is, the first groove section and second and third groove section link position are provided with transition groove section.
The middle part of described connecting rod is provided with the first long lumbar hole, and frame plate arranges the alignment pin parallel with the pivot center of moving runner, and alignment pin and the first long lumbar hole are slidably connected.
Described frame plate is provided with the second long lumbar hole, stopping means is provided with at least two roller bearings be slidably connected with the second long lumbar hole.
Described moving runner and two station mechanism gears are integral type structure.
A kind of switch cubicle, the semiaxis connecting lever comprise interlock, being fixedly connected with combined floodgate semiaxis, described interlock comprise connecting rod, frame plate, for the moving runner fixing with two station mechanism gears, moving runner is provided with cam contour groove, one end of cam contour groove and connecting rod is slidably connected, the other end of connecting rod is with hinged for the stopping means spacing to the semiaxis connecting lever be fixedly connected with breaker closing semiaxis, and stopping means and frame plate are slidably connected and on frame plate, do linear reciprocating motion under the drive of connecting rod; Cam contour groove comprises first, second and third groove section, the two ends of the first groove section are connected with second and third groove section, when connecting rod and cam contour groove link are in the first groove section, stopping means is in primary importance on linear movement direction, when being in second and third groove section, stopping means is in second and third position on linear movement direction, all spacing to semiaxis connecting lever when stopping means is in primary importance, when being in second and third position, to remove semiaxis connecting lever spacing for stopping means.
The arc groove sections such as first, second and third described groove section is, the first groove section and second and third groove section link position are provided with transition groove section.
The middle part of described connecting rod is provided with the first long lumbar hole, and frame plate arranges the alignment pin parallel with the pivot center of moving runner, and alignment pin and the first long lumbar hole are slidably connected.
Described frame plate is provided with the second long lumbar hole, stopping means is provided with at least two roller bearings be slidably connected with the second long lumbar hole.
Described moving runner and two station mechanism gears are integral type structure.
Beneficial effect of the present invention is: the described interlock for switchgear, comprise for the moving runner fixing with two station mechanism gears, moving runner is provided with cam contour groove, one end of cam contour groove and connecting rod is slidably connected, the other end of connecting rod is with hinged for the stopping means spacing to the semiaxis connecting lever be fixedly connected with breaker closing semiaxis, and stopping means and frame plate are slidably connected.In moving runner rotation process, the cam contour groove be arranged on moving runner also rotates thereupon, the stopping means be slidably connected with frame plate is driven to do linear reciprocating motion by connecting rod, when connecting rod and cam contour groove link are in the first groove section, stopping means is in primary importance, two station mechanisms are in separating brake to closing a floodgate or closing a floodgate in the process of separating brake, stopping means is spacing to semiaxis connecting lever, and circuit breaker can not closing operation; When connecting rod and cam contour groove link are in the second groove section or the 3rd groove section, stopping means is all in second and third position, two works be mechanism be in separating brake complete after or after having closed a floodgate, stopping means is all not spacing to semiaxis connecting lever, circuit breaker can carry out closing operation, compared to the prior art, interlock for switchgear of the present invention, not by the impact that circuit breaker transverse and longitudinal is arranged, solves the problem cannot interlocked between two station mechanisms and the circuit breaker longitudinally arranged.
Further, first, second and third described groove section such as to be at the arc groove section, does not have relative sliding when connecting rod such as to be at the arc groove section between stopping means and frame plate, reduces the frictional dissipation between stopping means and frame plate, wall built-up.
Further, the middle part of described connecting rod is provided with the first long lumbar hole, first long lumbar hole is connected with the pin slide be fixed on frame plate, alignment pin is parallel with the pivot center of moving runner, position one timing when one end that connecting rod is connected with stopping means on frame plate, alignment pin can rotate around the link of connecting rod and stopping means by limiting rod, connecting rod can not be rocked in cam contour groove, thus make connecting rod and cam contour groove smooth sliding, also improve the described interlocking precision for the interlock of switchgear simultaneously.
Accompanying drawing explanation
Fig. 1 be a kind of interlock for switchgear of the present invention embodiment breaker open operation, two station mechanisms are in sub-gate position time schematic diagram;
Fig. 2 be a kind of interlock for switchgear of the present invention embodiment breaker open operation, two station mechanisms have just left sub-gate position time schematic diagram;
Fig. 3 be a kind of interlock for switchgear of the present invention embodiment breaker open operation, two station mechanisms are in sub-gate position and centre position, closing position time schematic diagram;
Fig. 4 is the schematic diagram of embodiment before breaker open operation, two station mechanisms combined floodgates put in place of a kind of interlock for switchgear of the present invention;
Fig. 5 is the embodiment of a kind of interlock for switchgear of the present invention is in closing position schematic diagram at breaker open operation, two station mechanisms.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
The specific embodiment of a kind of interlock for switchgear of the present invention, as shown in Figures 1 to 5, the described interlock for switchgear comprises frame plate 11, connecting rod 3, the moving runner 1 be fixedly connected with two station mechanism gears, the semiaxis connecting lever 8 be fixedly connected with breaker closing semiaxis, stopping means all spacing to semiaxis connecting lever 8 in operation two station mechanism separating brake to separating brake process of closing a floodgate and close a floodgate is made for coordinating with connecting rod 3, stopping means is limiting plate 5, wherein limiting plate 5 and frame plate 11 are slidably connected, frame plate 11 is provided with level second long lumbar hole, limiting plate 5 to roll with the second long lumbar hole be connected by being fixed on two roller bearings 6 on limiting plate 5, semiaxis connecting lever 8 is fixedly connected with combined floodgate semiaxis 9, combined floodgate semiaxis 9 rotates clockwise when closing a floodgate, limiting plate 5 is spacing to combined floodgate semiaxis 9 rotation direction of closing a floodgate by semiaxis connecting lever 8, and namely limiting plate 5 pairs of semiaxis connecting levers 8 position-limiting action limit semiaxis connecting levers 8 rotate clockwise, combined floodgate semiaxis 9 is provided with torsion spring, torsion spring coordinates with semiaxis connecting lever 8, frame plate 11, after ensureing breaker closing, semiaxis connecting lever 8 is resetted, guarantee that circuit breaker can close a floodgate again, make limiting plate can be spacing to combined floodgate semiaxis 9 rotation direction of closing a floodgate by semiaxis connecting lever 8 smoothly, semiaxis connecting lever 8 be arranged on the lower right of the first long lumbar hole, moving runner 1 and two station mechanism gears are integral type structure, moving runner 1 is provided with cam contour groove 12, one end and the limiting plate 5 of connecting rod 3 are hinged by pulley 7, the other end and cam contour groove 12 are slidably connected by bearing pin 2, the middle part of connecting rod 3 is also provided with the first long lumbar hole, first long lumbar hole is slidably matched with the bearing pin 4 be fixed on frame plate by screw thread, position one timing when one end that connecting rod 3 is connected with limiting plate 5 on frame plate 11, bearing pin 4 can rotate around the link of connecting rod 3 with limiting plate 5 by limiting rod 3, connecting rod 3 can not be rocked in cam contour groove 12, thus make connecting rod 3 and cam contour groove 12 smooth sliding, also improve the described interlocking precision for the interlock of switchgear simultaneously.Cam contour groove 12 comprises initial section such as arc groove such as grade 122, the middle transition arc groove section 123 waiting arc groove section 121 and the arc groove section such as middle and the arc groove section junction such as initial, transition arc groove section 124, middle arc groove section 121 diameter that waits is greater than the initial diameter waiting arc groove section 122, connecting rod 3 with cam contour groove 12 link mediate arc groove section 121 time limiting plate 5 slide into the position spacing to semiaxis connecting lever 8, connecting rod 3 with cam contour groove 12 link be in initial wait arc groove section 122 time limiting plate 5 slide into can not be spacing to semiaxis connecting lever 8 position, cam contour groove 12 coordinates with connecting rod 3 and controls limiting plate 5 position-limiting action and open only.
As shown in Figure 1, circuit breaker is in gate-dividing state, two station mechanisms are also in sub-gate position, bearing pin 2 be in initial wait in arc groove section 122 with transition arc groove section 124 junction, the left end that limiting plate 5 is in frame plate 11 second long lumbar hole is separated with semiaxis connecting lever 8, and close the position-limiting action of semiaxis connecting lever 8, combined floodgate semiaxis 9 can turn clockwise, circuit breaker can carry out energy storage and keep threading off, and carries out closing operation.
As shown in Figure 2, circuit breaker is in gate-dividing state, two station mechanisms are in and just leave sub-gate position state, two station mechanisms are just from separating brake to combined floodgate rotation one very low-angle, cam contour groove 12 promotes connecting rod 3, and drive the roller bearing 6 on limiting plate 5 to move right in second long lumbar hole on frame plate 11 segment distance, limiting plate 5 is pressed on semiaxis connecting lever 8, stop that semiaxis connecting lever 8 turns clockwise, circuit breaker can not carry out closing operation.
As shown in Figure 3, circuit breaker is in gate-dividing state, two station mechanisms are in sub-gate position and closing position intermediateness, when two station mechanisms rotate to centre position, cam contour groove 12 promotes connecting rod 3, and the roller bearing 6 on limiting plate 5 to be on frame plate 11 rightmost position in second long lumbar hole, and limiting plate 5 is pressed on semiaxis connecting lever 8, stop that semiaxis connecting lever 8 turns clockwise, open circuit can not carry out closing operation.
As shown in Figure 4, circuit breaker is in gate-dividing state, two station mechanisms are in the state before putting in place of closing a floodgate, cam contour groove 12 promotes connecting rod 3, limiting plate 5 is driven to be moved to the left in second long lumbar hole on frame plate 11, but limiting plate 5 is not separated with semiaxis connecting lever 8, stop that semiaxis connecting lever 8 turns clockwise, open circuit can not carry out closing operation.
As shown in Figure 5, circuit breaker is in gate-dividing state, two station mechanisms are in closing position state, cam contour groove 12 drive bearing pin 2 be in initial wait in arc groove section 122 with transition arc groove section 123 junction, roller bearing 6 on limiting plate 5 to be on frame plate 11 leftmost position in second long lumbar hole, and limiting plate is separated with semiaxis connecting lever 8, and combined floodgate semiaxis 9 can turn clockwise, circuit breaker can carry out decapacitation and keep threading off, and carries out closing operation.
Two station mechanisms have closing position to be the inverse process of said process to the process of sub-gate position, and operation principle is identical, repeats no more.
In other embodiments of a kind of interlock for switchgear of the present invention, described roller bearing can also arrange at least three; Roller bearing on described limiting plate can also be bearing pin, and the second long lumbar hole on bearing pin and frame plate is slidably connected; Described moving runner can also not be integral structure with two station mechanism gears, and moving runner is fixedly connected with two station mechanism gears are removable; Waiting arc groove section can not also be wait arc groove section in the middle of described cam contour groove, can be that on this section of groove, each point meets to the distance in moving runner axle center the groove section making guide vane end stop spacing to semiaxis connecting lever; Described initial arc groove section also can be that on this section of groove, each point meets to the distance in moving runner axle center the groove section making guide vane end stop not spacing to semiaxis connecting lever; Described middle circle arc dia can also be greater than initial circular arc; The described initial arc section that waits can also be set to two, and is connected with the arc groove section such as centre respectively, can also be provided with another groove section between two initial sections such as arc groove such as grade; Described stopping means also can be spacing to semiaxis connecting lever when connecting rod and cam contour groove link are in initial arc groove section and the one section transition arc groove section adjacent with initial arc groove section; Described stopping means can also be gag lever post, guide vane end stop; Can also be spacing by grafting between described stopping means and semiaxis connecting lever; The described bearing pin coordinated with the first long lumbar hole can also be welded on frame plate, also can on frame plate design and installation hole, the installing hole on one end of bearing pin and frame plate is rotatably assorted, and the other end coordinates with rod slide.
The embodiment of switch cubicle: described switch cubicle comprises an interlock, its concrete structure is identical with the structure described in above-mentioned interlock embodiment, repeats no more.
Claims (10)
1. the interlock for switchgear, it is characterized in that: comprise connecting rod, frame plate, for the moving runner fixing with two station mechanism gears, moving runner is provided with cam contour groove, one end of cam contour groove and connecting rod is slidably connected, the other end of connecting rod is with hinged for the stopping means spacing to the semiaxis connecting lever be fixedly connected with breaker closing semiaxis, and stopping means and frame plate are slidably connected and can do linear reciprocating motion on frame plate under the drive of connecting rod; Cam contour groove comprises first, second and third groove section, the two ends of the first groove section are connected with second and third groove section, when connecting rod and cam contour groove link are in the first groove section, stopping means is in primary importance on linear movement direction, and when being in second and third groove section, stopping means is in second and third position on linear movement direction.
2. the interlock for switchgear according to claim 1, is characterized in that: first, second and third described groove section such as to be at the arc groove section, and the first groove section and second and third groove section link position are provided with transition groove section.
3. the interlock for switchgear according to claim 1 and 2, it is characterized in that: the middle part of described connecting rod is provided with the first long lumbar hole, frame plate arranges the alignment pin parallel with the pivot center of moving runner, and alignment pin and the first long lumbar hole are slidably connected.
4. the interlock for switchgear according to claim 1 and 2, is characterized in that: described frame plate is provided with the second long lumbar hole, stopping means is provided with at least two roller bearings be slidably connected with the second long lumbar hole.
5. the interlock for switchgear according to claim 1 and 2, is characterized in that: described moving runner and two station mechanism gears are integral type structure.
6. a switch cubicle, the semiaxis connecting lever comprise interlock, being fixedly connected with combined floodgate semiaxis, it is characterized in that: described interlock comprise connecting rod, frame plate, for the moving runner fixing with two station mechanism gears, moving runner is provided with cam contour groove, one end of cam contour groove and connecting rod is slidably connected, the other end of connecting rod is with hinged for the stopping means spacing to the semiaxis connecting lever be fixedly connected with breaker closing semiaxis, and stopping means and frame plate are slidably connected and on frame plate, do linear reciprocating motion under the drive of connecting rod; Cam contour groove comprises first, second and third groove section, the two ends of the first groove section are connected with second and third groove section, when connecting rod and cam contour groove link are in the first groove section, stopping means is in primary importance on linear movement direction, when being in second and third groove section, stopping means is in second and third position on linear movement direction, all spacing to semiaxis connecting lever when stopping means is in primary importance, when being in second and third position, to remove semiaxis connecting lever spacing for stopping means.
7. switch cubicle according to claim 6, is characterized in that: first, second and third described groove section such as to be at the arc groove section, and the first groove section and second and third groove section link position are provided with transition groove section.
8. the switch cubicle according to claim 6 or 7, is characterized in that: the middle part of described connecting rod is provided with the first long lumbar hole, and frame plate arranges the alignment pin parallel with the pivot center of moving runner, and alignment pin and the first long lumbar hole are slidably connected.
9. the switch cubicle according to claim 6 or 7, is characterized in that: described frame plate is provided with the second long lumbar hole, and stopping means is provided with at least two roller bearings be slidably connected with the second long lumbar hole.
10. the switch cubicle according to claim 6 or 7, is characterized in that: described moving runner and two station mechanism gears are integral type structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840942.5A CN105336525B (en) | 2015-11-27 | 2015-11-27 | A kind of interlock for switchgear and the switch cubicle using the interlock |
| PCT/CN2016/107164 WO2017088802A1 (en) | 2015-11-27 | 2016-11-24 | Interlocking device for switchgear, and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840942.5A CN105336525B (en) | 2015-11-27 | 2015-11-27 | A kind of interlock for switchgear and the switch cubicle using the interlock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105336525A true CN105336525A (en) | 2016-02-17 |
| CN105336525B CN105336525B (en) | 2017-11-14 |
Family
ID=55286984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510840942.5A Active CN105336525B (en) | 2015-11-27 | 2015-11-27 | A kind of interlock for switchgear and the switch cubicle using the interlock |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105336525B (en) |
| WO (1) | WO2017088802A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551873A (en) * | 2016-02-29 | 2016-05-04 | 上海天灵开关厂有限公司 | Switch cabinet, three-position isolation switch mechanism and interlocking device thereof |
| CN106449261A (en) * | 2016-11-08 | 2017-02-22 | 河南平高电气股份有限公司 | Mechanical locking device |
| WO2017088802A1 (en) * | 2015-11-27 | 2017-06-01 | 国家电网公司 | Interlocking device for switchgear, and switch cabinet |
| CN112951644A (en) * | 2021-02-25 | 2021-06-11 | 星凯电气有限公司 | Switch board isolating switch locking device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262471B (en) * | 2018-03-28 | 2024-03-19 | 河南熔金高温材料股份有限公司 | Adjustable positioning device for crank support of ladle mechanism |
| CN108807037B (en) * | 2018-06-15 | 2024-01-09 | 宏秀电气有限公司 | Separating brake interlocking mechanism of pole-mounted switch |
| CN109087823A (en) * | 2018-10-18 | 2018-12-25 | 广州白云电器设备股份有限公司 | The device and switchgear of antiground switch indication light Pre-handoff |
| CN112967898B (en) * | 2021-04-09 | 2022-04-22 | 安徽新高电气有限公司 | Permanent magnet breaker and isolator interlocking mechanism |
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| US6528745B1 (en) * | 2001-11-13 | 2003-03-04 | Eaton Corporation | Manual operator for interlock |
| CN203351460U (en) * | 2013-06-24 | 2013-12-18 | 宁波舜利高压开关科技有限公司 | Anti-misoperation device of operation mechanism/machine |
| CN105336525B (en) * | 2015-11-27 | 2017-11-14 | 平高集团有限公司 | A kind of interlock for switchgear and the switch cubicle using the interlock |
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2015
- 2015-11-27 CN CN201510840942.5A patent/CN105336525B/en active Active
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2016
- 2016-11-24 WO PCT/CN2016/107164 patent/WO2017088802A1/en active Application Filing
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| JP2005141915A (en) * | 2003-11-04 | 2005-06-02 | Mitsubishi Electric Corp | Operation mechanism of three-position switch |
| CN202434403U (en) * | 2012-01-13 | 2012-09-12 | 宁波舜利高压开关科技有限公司 | Closing and interlocking device for circuit breaker operating mechanism |
| CN102751129A (en) * | 2012-06-29 | 2012-10-24 | 胡光福 | Cam operating mechanism with self-locking stations and operating method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088802A1 (en) * | 2015-11-27 | 2017-06-01 | 国家电网公司 | Interlocking device for switchgear, and switch cabinet |
| CN105551873A (en) * | 2016-02-29 | 2016-05-04 | 上海天灵开关厂有限公司 | Switch cabinet, three-position isolation switch mechanism and interlocking device thereof |
| CN106449261A (en) * | 2016-11-08 | 2017-02-22 | 河南平高电气股份有限公司 | Mechanical locking device |
| CN106449261B (en) * | 2016-11-08 | 2018-06-26 | 河南平高电气股份有限公司 | A kind of mechanical locking device |
| CN112951644A (en) * | 2021-02-25 | 2021-06-11 | 星凯电气有限公司 | Switch board isolating switch locking device |
| CN112951644B (en) * | 2021-02-25 | 2023-02-28 | 星凯电气有限公司 | Switch board isolating switch locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105336525B (en) | 2017-11-14 |
| WO2017088802A1 (en) | 2017-06-01 |
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