CN103500671B - Indoor high-voltage electric grounding switch - Google Patents
Indoor high-voltage electric grounding switch Download PDFInfo
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- CN103500671B CN103500671B CN201310490282.3A CN201310490282A CN103500671B CN 103500671 B CN103500671 B CN 103500671B CN 201310490282 A CN201310490282 A CN 201310490282A CN 103500671 B CN103500671 B CN 103500671B
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- main shaft
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Abstract
The invention relates to an indoor high-voltage electric grounding switch, which comprises a static contact, a movable contact, a main shaft, an electric mechanism and a base, wherein the static contact is fixedly arranged on the base through an insulator, the movable contact is fixedly arranged on the main shaft through a connecting lever, the two ends of the main shaft are movably arranged on the base, the electric mechanism drives the main shaft to rotate so that the movable contact and the static contact are connected or disconnected, and a spring capable of realizing fast and stable connection or disconnection between the movable contact and the static contact is hinged between the connecting lever and the base. The indoor high-voltage electric grounding switch has the advantages that the one-spring bistable scheme is adopted for the switch-on and switch-off operation, the fast switch-on and switch-off operation of the switch is realized after the main shaft is electrically or manually operated to rotate, the structure is novel, the switch-on and switch-off speed is high, in addition, stability is realized, and the like. The mechanical linkage, the mechanical transmission and the installation dimension of the existing switch cabinet manual grounding switch maintain unchanged, the electric operation and the manual operation are not mutually interfered, the switching is not needed, and a grounding switch body and an operation mechanism are integrally designed.
Description
Technical field
The present invention relates to a kind of indoor high-voltage electric grounding switch.
Background technology
The manual earthed switch of existing switch cubicle generally can not simultaneously compatible manual operation and electric operating, wherein whether manual operation adopts travel switch induction combined floodgate to put in place, electric operating generally adopts motor to drive worm and worm gear, main axis is driven by worm-and-wheel gear, the on/off switch responsiveness of these two kinds operations is slow, instability is reliable and meeting is interfered mutually, needs special switching mechanism could there is manual operation and electric operating simultaneously.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical problem to be solved by this invention is to provide a kind of novel structure, on/off switch quick action and reliable and stable indoor high-voltage electric grounding switch.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of indoor high-voltage electric grounding switch, comprise fixed contact, moving contact, main shaft, motor drive mechanism and base, described fixed contact is fixed on base by insulator, described moving contact is fixed on main shaft by connecting lever, described main shaft two ends are movably arranged on base, described motor drive mechanism driving main shaft is rotated to make moving contact and fixed contact be switched on or switched off, and is hinged with the spring that moving contact and fixed contact fast and stable are switched on or switched off between described connecting lever and base.
In further technical scheme, described motor drive mechanism comprises rack-mount either-rotation motor and bidirectional clutch, and described support is fixed on base, and described either-rotation motor drives main shaft forward or reverse by bidirectional clutch.
In further technical scheme, described bidirectional clutch comprises travelling gear, power transmission shaft, rotate forward gear and counter gear, described power transmission shaft two ends are movably arranged on support, described rotating forward gear and counter gear are movably set on power transmission shaft respectively, described rotating forward gear internal fixtion has the first driven face gear, described counter gear internal fixtion has the second driven face gear, described power transmission shaft is fixed with the first active face gear that face gear driven with first matches and the second active face gear matched with the second driven face gear, the medial extremity of described rotating forward gear and counter gear is located by the movable steel ball in two steel ball limiting plates respectively, the outboard end of described rotating forward gear and counter gear is withstood by two back-moving springs respectively.
In further technical scheme, the output gear of described either-rotation motor is meshed with the travelling gear of bidirectional clutch, described main shaft is fixed with combined floodgate gear and separating brake gear, described combined floodgate gear is meshed with rotating forward gear, and described separating brake gear is meshed with counter gear.
In further technical scheme, described bidirectional clutch also comprises clutch cam, and described clutch cam is fixed on power transmission shaft and between rotating forward gear and counter gear, two steel ball limiting plates are symmetricly set on the both sides of clutch cam.
In further technical scheme, described main shaft is fixed with crankshaft cheek, described clutch cam is hinged with a connecting rod, and the described connecting rod other end is connected with the slide on crankshaft cheek by bearing pin.
In further technical scheme, described main shaft is fixed with spindle cam, described base is provided with and matches to respond to the travel switch closing a floodgate and put in place with spindle cam.
Compared with prior art, the present invention has following beneficial effect: the major loop of this indoor high-voltage electric grounding switch adopts disconnecting link formula, primarily of fixed contact, moving contact, motor drive mechanism, main shaft, spring, insulator and base are formed, contact wherein between moving contact and fixed contact maintains by spring, close, separating brake adopts same spring bistable scheme, realize electronic or manual operation main shaft rotate through in after switch close fast, point, there is novel structure, close, fast and the advantage such as stable of opening velocity, with the mechanical interlocking of the manual earthed switch of existing switch cubicle, machine driving and installation dimension remain unchanged, electric operating and manual operation non-interference, do not need to switch, earthed switch body and operating mechanism integrated design.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the front view of indoor high-voltage electric grounding switch.
Fig. 2 is the left view of indoor high-voltage electric grounding switch.
Fig. 3 is the vertical view of indoor high-voltage electric grounding switch.
Fig. 4 is the partial rear view of indoor high-voltage electric grounding switch.
Fig. 5 is the structural representation of motor drive mechanism.
Fig. 6 is the connection diagram of clutch cam and crankshaft cheek.
In figure: 1-fixed contact, 2-moving contact, 3-main shaft, 4-base, 5-insulator, 6-connecting lever, 7-spring, 8-screw rod, 9-sleeve pipe, the soft connecting line of 10-, 11-motor drive mechanism, 12-support, 13-either-rotation motor, 14-bidirectional clutch, 15-travelling gear, 16-power transmission shaft, 17-rotates forward gear, 18-counter gear, the driven face gear of 19-first, the driven face gear of 20-second, 21-first is face gear initiatively, 22-second is face gear initiatively, 23-steel ball limiting plate, the movable steel ball of 24-, 25-back-moving spring, 26-combined floodgate gear, 27-separating brake gear, 28-clutch cam, 29-output gear, 30-crankshaft cheek, 31-connecting rod, 32-spindle cam, 33-travel switch.
Embodiment
As shown in Fig. 1 ~ 6, a kind of indoor high-voltage electric grounding switch, comprise fixed contact 1, moving contact 2, main shaft 3, motor drive mechanism 11 and base 4, described fixed contact 1 is fixed on base 4 by insulator 5, specifically fixed contact 1 one end is fastened by bolts on insulator 5, and insulator 5 is fastened by bolts on base 4; Described moving contact 2 is fixed on main shaft 3 by connecting lever 6, described main shaft 3 two ends are movably arranged on base 4 respectively by axle sleeve in revolute pair mode, described motor drive mechanism 11 driving main shaft 3 rotates moving contact 2 and fixed contact 1 are switched on or switched off, and is hinged with the spring 7 that moving contact 2 and fixed contact 1 fast and stable are switched on or switched off between described connecting lever 6 and base 4.
In the present embodiment, described fixed contact 1 has side by side three, is respectively used to connect high voltage bus; Described moving contact 2 is corresponding three of having side by side also, three moving contacts 2 are linked into an integrated entity by screw rod 8, sleeve pipe 9 and securing member, above-mentioned spring 7 is hinged with respectively between two moving contacts 2 on side and base 4, the two ends of described screw rod 8 are connected to earth bus, and described earth bus is soft connecting line 10.Described motor drive mechanism 11 comprises and is arranged on either-rotation motor 13 on support 12 and bidirectional clutch 14, and described support 12 is fixed on base 4, and described either-rotation motor 13 drives main shaft 3 forward or reverse by bidirectional clutch 14.
In the present embodiment, described bidirectional clutch 14 comprises travelling gear 15, power transmission shaft 16, rotate forward gear 17 and counter gear 18, described power transmission shaft 16 two ends are movably arranged on support 12 respectively by axle sleeve in revolute pair mode, described rotating forward gear 17 and counter gear 18 are movably set on power transmission shaft 16 respectively, described rotating forward gear 17 internal fixtion has the first driven face gear 19, described counter gear 18 internal fixtion has the second driven face gear 20, described first driven face gear 19 is contrary with the teeth directional of the second driven face gear 20, described power transmission shaft 16 is fixed with the first active face gear 21 that face gear 19 driven with first matches and the second active face gear 22 matched with the second driven face gear 20, the medial extremity of described rotating forward gear 17 and counter gear 18 is located by the movable steel ball 24 in two steel ball limiting plates 23 respectively, described steel ball limiting plate 23 is fixed on support 12 by screw rod, the outboard end of described rotating forward gear 17 and counter gear 18 is withstood by two back-moving springs 25 respectively, wherein a back-moving spring 25 is arranged at and rotates forward between gear 17 and support 12, another back-moving spring 25 is arranged between counter gear 18 and travelling gear 15.The output gear 29 of described either-rotation motor 13 is meshed with the travelling gear 15 of bidirectional clutch 14, described main shaft 3 is fixed with combined floodgate gear 26 and separating brake gear 27, described combined floodgate gear 26 is meshed with rotating forward gear 17, and described separating brake gear 27 is meshed with counter gear 18.
In the present embodiment, in order to limit the anglec of rotation stroke of main shaft 3, described bidirectional clutch 14 also comprises clutch cam 28, described clutch cam 28 is fixed on power transmission shaft 16 and between rotating forward gear 17 and counter gear 18, two steel ball limiting plates 23 are symmetricly set on the both sides of clutch cam 28; Described main shaft 3 is fixed with crankshaft cheek 30, and described clutch cam 28 is hinged with a connecting rod 31, and described connecting rod 31 other end is connected with the slide on crankshaft cheek 30 by bearing pin.When power transmission shaft 16 rotates, described clutch cam 28 drives crankshaft cheek 30 to move by connecting rod 31, and described crankshaft cheek 30 drives main shaft 3 to rotate, and anglec of rotation stroke is the movement travel of bearing pin in chute.
In the present embodiment, described main shaft 3 is also fixed with spindle cam 32, described base 4 is provided with the travel switch 33 matching to respond to spindle cam 32 and close a floodgate and put in place; User can manual operation make main shaft 3 rotate, and when spindle cam 32 touches travel switch 33, namely closes a floodgate and puts in place, and the on/off switch indicator light display earthed switch now on switch cubicle is in "on" position.The mechanical interlocking of this indoor high-voltage electric grounding switch and the manual earthed switch of existing switch cubicle, machine driving and installation dimension remain unchanged, electric operating and manual operation is non-interference, do not need to switch, earthed switch body and operating mechanism integrated design, Motor torque transmission has reliable mechanical overload clutch.
In the present embodiment, the major loop of this indoor high-voltage electric grounding switch adopts disconnecting link formula, primarily of fixed contact 1, moving contact 2(disconnecting link), motor drive mechanism 11, main shaft 3, spring 7, insulator 5 and base 4 form, contact wherein between moving contact 2 and fixed contact 1 maintains by spring 7, splitting or integrating lock adopts same spring 7 bistable scheme, realize electronic or manual operation main shaft 3 rotate through in after the quick splitting or integrating of switch; Wherein bidirectional clutch 14 adopts end-tooth engaging structure, and time-delay relay can be utilized to realize electric motor protecting function, simplifies electric motor protecting mechanical structure and electrical principle.
The operation principle of the present embodiment is as follows: when needing to close a floodgate, either-rotation motor 13 rotates forward, first driven face gear 19 is meshed (the two end-tooth blocks mutually) with the first active face gear 21, second driven face gear 20 and the second active face gear 22 are separated (the two end-tooth skids mutually), power transmission shaft 16 drives rotating forward gear 17 to rotate forward, counter gear 18 dallies, rotating forward gear 17 drives combined floodgate gear 26 to rotate forward, combined floodgate gear 26 drives main shaft 3 to rotate forward, and then moving contact 2 and fixed contact 1 are connected, wherein after during main shaft 3 just turns over, rotate forward fast at the effect of inertia lower main axis 3 of spring 7 and put in place, now the first driven face gear 19 and the first active face gear 21 are separated.When needing separating brake, either-rotation motor 13 reverses, second driven face gear 20 is meshed with the second active face gear 22, first driven face gear 19 and the first active face gear 21 are separated, power transmission shaft 16 drives counter gear 18 to reverse, rotate forward gear 17 to dally, counter gear 18 drives separating brake gear 27 to reverse, separating brake gear 27 drives main shaft 3 to reverse, and then moving contact 2 and fixed contact 1 are connected, wherein after during main shaft 3 reversed, reverse fast at the effect of inertia lower main axis 3 of spring 7 and put in place, now the second driven face gear 20 and the second active face gear 22 are separated.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. an indoor high-voltage electric grounding switch, it is characterized in that: comprise fixed contact, moving contact, main shaft, motor drive mechanism and base, described fixed contact is fixed on base by insulator, described moving contact is fixed on main shaft by connecting lever, described main shaft two ends are movably arranged on base, described motor drive mechanism driving main shaft is rotated to make moving contact and fixed contact be switched on or switched off, and is hinged with the spring that moving contact and fixed contact fast and stable are switched on or switched off between described connecting lever and base, described motor drive mechanism comprises rack-mount either-rotation motor and bidirectional clutch, and described support is fixed on base, and described either-rotation motor drives main shaft forward or reverse by bidirectional clutch, described bidirectional clutch comprises travelling gear, power transmission shaft, rotate forward gear and counter gear, described power transmission shaft two ends are movably arranged on support, described rotating forward gear and counter gear are movably set on power transmission shaft respectively, described rotating forward gear internal fixtion has the first driven face gear, described counter gear internal fixtion has the second driven face gear, described power transmission shaft is fixed with the first active face gear that face gear driven with first matches and the second active face gear matched with the second driven face gear, the medial extremity of described rotating forward gear and counter gear is located by the movable steel ball in two steel ball limiting plates respectively, the outboard end of described rotating forward gear and counter gear is withstood by two back-moving springs respectively.
2. indoor high-voltage electric grounding switch according to claim 1, it is characterized in that: the output gear of described either-rotation motor is meshed with the travelling gear of bidirectional clutch, described main shaft is fixed with combined floodgate gear and separating brake gear, described combined floodgate gear is meshed with rotating forward gear, and described separating brake gear is meshed with counter gear.
3. indoor high-voltage electric grounding switch according to claim 1 and 2, it is characterized in that: described bidirectional clutch also comprises clutch cam, described clutch cam is fixed on power transmission shaft and between rotating forward gear and counter gear, two steel ball limiting plates are symmetricly set on the both sides of clutch cam.
4. indoor high-voltage electric grounding switch according to claim 3, is characterized in that: described main shaft is fixed with crankshaft cheek, and described clutch cam is hinged with a connecting rod, and the described connecting rod other end is connected with the slide on crankshaft cheek by bearing pin.
5. indoor high-voltage electric grounding switch according to claim 1, is characterized in that: described main shaft is fixed with spindle cam, described base is provided with and matches to respond to the travel switch closing a floodgate and put in place with spindle cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490282.3A CN103500671B (en) | 2013-10-19 | 2013-10-19 | Indoor high-voltage electric grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490282.3A CN103500671B (en) | 2013-10-19 | 2013-10-19 | Indoor high-voltage electric grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103500671A CN103500671A (en) | 2014-01-08 |
| CN103500671B true CN103500671B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310490282.3A Expired - Fee Related CN103500671B (en) | 2013-10-19 | 2013-10-19 | Indoor high-voltage electric grounding switch |
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| Country | Link |
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| CN (1) | CN103500671B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835674B (en) * | 2015-04-30 | 2017-12-22 | 国家电网公司 | A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism |
| CN105931916A (en) * | 2016-06-27 | 2016-09-07 | 辽宁电能发展股份有限公司 | Single-phase protection grounding switch and grounding protection system |
| CN106229204A (en) * | 2016-08-31 | 2016-12-14 | 兴盛电器股份有限公司 | A kind of high-voltage central-positioned switch cubicle electric grounding knife-switch |
| CN107086145B (en) * | 2017-05-24 | 2019-06-11 | 句容市福润电气有限公司 | Flatly moving type indoor hv earthing switch |
| CN107039207B (en) * | 2017-05-24 | 2019-03-22 | 句容市福润电气有限公司 | Self-locking formula indoor hv earthing switch |
| CN108550490B (en) * | 2018-04-28 | 2020-05-05 | 河南华盛隆源电气有限公司 | Isolated circuit breaker, isolating switch and electric isolation underframe thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7026588B2 (en) * | 2000-12-11 | 2006-04-11 | Centre National De La Recherche Scientifique (C.N.R.S.) | Microwave treatment of objects and single-piece components |
| CN101540235A (en) * | 2009-04-20 | 2009-09-23 | 温州新机电器有限公司 | Electric ground switch |
| CN201319326Y (en) * | 2008-11-24 | 2009-09-30 | 浙江纪元电气集团有限公司 | Indoor high-pressure electro-motion ground switch |
| CN202049893U (en) * | 2011-04-28 | 2011-11-23 | 大连丰和电力科技有限公司 | Electric switching on/off grounding switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2957389B2 (en) * | 1993-08-03 | 1999-10-04 | アルプス電気株式会社 | Switch drive mechanism |
-
2013
- 2013-10-19 CN CN201310490282.3A patent/CN103500671B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7026588B2 (en) * | 2000-12-11 | 2006-04-11 | Centre National De La Recherche Scientifique (C.N.R.S.) | Microwave treatment of objects and single-piece components |
| CN201319326Y (en) * | 2008-11-24 | 2009-09-30 | 浙江纪元电气集团有限公司 | Indoor high-pressure electro-motion ground switch |
| CN101540235A (en) * | 2009-04-20 | 2009-09-23 | 温州新机电器有限公司 | Electric ground switch |
| CN202049893U (en) * | 2011-04-28 | 2011-11-23 | 大连丰和电力科技有限公司 | Electric switching on/off grounding switch |
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| Publication number | Publication date |
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| CN103500671A (en) | 2014-01-08 |
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Granted publication date: 20150722 Termination date: 20211019 |