CN103500671A - Indoor high-voltage electric grounding switch - Google Patents
Indoor high-voltage electric grounding switch Download PDFInfo
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- CN103500671A CN103500671A CN201310490282.3A CN201310490282A CN103500671A CN 103500671 A CN103500671 A CN 103500671A CN 201310490282 A CN201310490282 A CN 201310490282A CN 103500671 A CN103500671 A CN 103500671A
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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 existing manual earthed switch of switch cubicle is compatible manual operation simultaneously and electric operating generally, 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, driving main shaft by worm-and-wheel gear rotates, slow, the unstable reliable and interference mutually of the on/off switch responsiveness of these two kinds of operations needs special switching mechanism could have manual operation and electric operating simultaneously.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, and 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 so that moving contact and fixed contact are switched on or switched off, and is hinged with the spring that makes moving contact and fixed contact fast and stable be 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 the main shaft forward or reverse by bidirectional clutch.
In further technical scheme, described bidirectional clutch comprises travelling gear, power transmission shaft, forward gear and counter gear, described power transmission shaft two ends are movably arranged on support, described forward gear and counter gear are movably set in respectively on power transmission shaft, be fixed with the first driven face gear in described forward gear, be fixed with the second driven face gear in described counter gear, the the second active face gear that is fixed with the first active face gear matched with the first driven face gear on described power transmission shaft and matches with the second driven face gear, the medial extremity of described forward gear and counter gear is respectively by the movable steel ball location in two steel ball limiting plates, the outboard end of described 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, be fixed with combined floodgate gear and separating brake gear on described main shaft, described combined floodgate gear is meshed with the 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 forward gear and counter gear, two steel ball limiting plates are symmetricly set on the both sides of clutch cam.
In further technical scheme, be fixed with crankshaft cheek on described main shaft, described clutch cam is hinged with a connecting rod, and the described connecting rod other end is slidably connected by the chute on bearing pin and crankshaft cheek.
In further technical scheme, be fixed with spindle cam on described main shaft, be equipped with on described base and match to respond to the travel switch that closes 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 the disconnecting link formula, mainly by fixed contact, moving contact, motor drive mechanism, main shaft, spring, insulator and base form, wherein the contact 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, minute, there is novel structure, close, the advantages such as opening velocity is fast and stable, mechanical interlocking with the manual earthed switch of existing switch cubicle, machine driving and installation dimension remain unchanged, electric operating and manual operation mutually noninterfere, do not need switching, 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.
The accompanying drawing explanation
The front view that Fig. 1 is indoor high-voltage electric grounding switch.
The left view that Fig. 2 is indoor high-voltage electric grounding switch.
The vertical view that Fig. 3 is indoor high-voltage electric grounding switch.
The partial rear view that Fig. 4 is indoor high-voltage electric grounding switch.
The structural representation that Fig. 5 is motor drive mechanism.
The connection diagram that Fig. 6 is clutch cam and crankshaft cheek.
In figure: the 1-fixed contact, the 2-moving contact, the 3-main shaft, the 4-base, the 5-insulator, the 6-connecting lever, the 7-spring, the 8-screw rod, the 9-sleeve pipe, the soft connecting line of 10-, the 11-motor drive mechanism, the 12-support, the 13-either-rotation motor, the 14-bidirectional clutch, the 15-travelling gear, the 16-power transmission shaft, 17-forward gear, the 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-, the 25-back-moving spring, 26-combined floodgate gear, 27-separating brake gear, the 28-clutch cam, the 29-output gear, the 30-crankshaft cheek, the 31-connecting rod, the 32-spindle cam, the 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 ends by bolted on insulator 5, insulator 5 by bolted 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 in the revolute pair mode by axle sleeve respectively, described motor drive mechanism 11 driving main shaft 3 are rotated so that moving contact 2 is switched on or switched off with fixed contact 1, are hinged with the spring 7 that makes moving contact 2 and fixed contact 1 fast and stable be 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 also correspondence has side by side three, three moving contacts 2 link into an integrated entity by screw rod 8, sleeve pipe 9 and securing member, be hinged with respectively above-mentioned spring 7 between two moving contacts 2 on side and base 4, the two ends of described screw rod 8 are connected with respectively earth bus, and described earth bus is soft connecting line 10.Described motor drive mechanism 11 comprises either-rotation motor 13 and the bidirectional clutch 14 be arranged on support 12, 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, forward gear 17 and counter gear 18, described power transmission shaft 16 two ends are movably arranged on support 12 in the revolute pair mode by axle sleeve respectively, described forward gear 17 and counter gear 18 are movably set in respectively on power transmission shaft 16, be fixed with the first driven face gear 19 in described forward gear 17, be fixed with the second driven face gear 20 in described counter gear 18, the described first driven face gear 19 is contrary with the teeth directional of the second driven face gear 20, the the second active face gear 22 that is fixed with the first active face gear 21 matched with the first driven face gear 19 on described power transmission shaft 16 and matches with the second driven face gear 20, the medial extremity of described forward gear 17 and counter gear 18 is respectively by movable steel ball 24 location in two steel ball limiting plates 23, described steel ball limiting plate 23 is fixed on support 12 by screw rod, the outboard end of described forward gear 17 and counter gear 18 is withstood by two back-moving springs 25 respectively, wherein a back-moving spring 25 is arranged between forward 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, be fixed with combined floodgate gear 26 and separating brake gear 27 on described main shaft 3, described combined floodgate gear 26 is meshed with 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 forward gear 17 and counter gear 18, two steel ball limiting plates 23 are symmetricly set on the both sides of clutch cam 28; Be fixed with crankshaft cheek 30 on described main shaft 3, described clutch cam 28 is hinged with a connecting rod 31, and described connecting rod 31 other ends are slidably connected by the chute on bearing pin and crankshaft cheek 30.When power transmission shaft 16 rotates, described clutch cam 28 drives crankshaft cheek 30 motions by connecting rod 31, and described crankshaft cheek 30 drives main shaft 3 rotations, and anglec of rotation stroke is the movement travel of bearing pin in chute.
In the present embodiment, on described main shaft 3, also be fixed with spindle cam 32, be equipped with on described base 4 and match to respond to the travel switch 33 that closes a floodgate and put in place with spindle cam 32; The user can manual operation make main shaft 3 rotations, when spindle cam 32 touches travel switch 33, closes a floodgate and puts in place, and now the on/off switch indicator light on switch cubicle shows that earthed switch is in "on" position.Mechanical interlocking, machine driving and the installation dimension of this indoor high-voltage electric grounding switch and the manual earthed switch of existing switch cubicle remain unchanged, electric operating and manual operation mutually noninterfere, do not need the switching, earthed switch body and operating mechanism integrated design, the Motor torque transmission has reliable mechanical overload clutch.
In the present embodiment, the major loop of this indoor high-voltage electric grounding switch adopts the disconnecting link formula, mainly by fixed contact 1, moving contact 2(disconnecting link), motor drive mechanism 11, main shaft 3, spring 7, insulator 5 and base 4 form, wherein the contact between moving contact 2 and fixed contact 1 maintains by spring 7, the splitting or integrating lock adopts same spring 7 bistable schemes, realize electronic or manual operation main shaft 3 rotate through in after the quick splitting or integrating of switch; Wherein bidirectional clutch 14 adopts the end-tooth engaging structure, can utilize time-delay relay to realize the electric motor protecting function, simplifies electric motor protecting mechanical structure and electrical principle.
The operation principle of the present embodiment is as follows: while needing to close a floodgate, either-rotation motor 13 forwards, the first driven face gear 19 and the first face gear 21 be meshed (the two end-tooth blocks mutually) initiatively, the second driven face gear 20 and second is face gear 22 be separated (the two end-tooth skids mutually) initiatively, power transmission shaft 16 drives forward gear 17 forwards, counter gear 18 idle running, forward gear 17 drives combined floodgate gear 26 forwards, combined floodgate gear 26 drives main shaft 3 forwards, and then make moving contact 2 and fixed contact 1 connect, after wherein in main shaft 3 is just turning over, the quick forward of effect of inertia lower main axis 3 at spring 7 puts in place, now the first driven face gear 19 and the first active face gear 21 are separated.While needing separating brake, either-rotation motor 13 reversions, the second driven face gear 20 is meshed with the second active face gear 22, the first driven face gear 19 and first initiatively face gear 21 is separated, power transmission shaft 16 drives counter gear 18 reversions, 17 idle running of forward gear, counter gear 18 drives 27 reversions of separating brake gear, separating brake gear 27 drives main shaft 3 reversions, and then make moving contact 2 and fixed contact 1 connect, after wherein in main shaft 3 reversed, effect of inertia lower main axis 3 at spring 7 reverses and puts in place fast, 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 of doing 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 (7)
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 so that moving contact and fixed contact are switched on or switched off, and is hinged with the spring that makes moving contact and fixed contact fast and stable be switched on or switched off between described connecting lever and base.
2. indoor high-voltage electric grounding switch according to claim 1, it is characterized in that: described motor drive mechanism comprises rack-mount either-rotation motor and bidirectional clutch, described support is fixed on base, and described either-rotation motor drives the main shaft forward or reverse by bidirectional clutch.
3. indoor high-voltage electric grounding switch according to claim 2, it is characterized in that: described bidirectional clutch comprises travelling gear, power transmission shaft, forward gear and counter gear, described power transmission shaft two ends are movably arranged on support, described forward gear and counter gear are movably set in respectively on power transmission shaft, be fixed with the first driven face gear in described forward gear, be fixed with the second driven face gear in described counter gear, the the second active face gear that is fixed with the first active face gear matched with the first driven face gear on described power transmission shaft and matches with the second driven face gear, the medial extremity of described forward gear and counter gear is respectively by the movable steel ball location in two steel ball limiting plates, the outboard end of described forward gear and counter gear is withstood by two back-moving springs respectively.
4. indoor high-voltage electric grounding switch according to claim 3, it is characterized in that: the output gear of described either-rotation motor is meshed with the travelling gear of bidirectional clutch, be fixed with combined floodgate gear and separating brake gear on described main shaft, described combined floodgate gear is meshed with the forward gear, and described separating brake gear is meshed with counter gear.
5. according to the described indoor high-voltage electric grounding switch of claim 3 or 4, it is characterized in that: described bidirectional clutch also comprises clutch cam, described clutch cam is fixed on power transmission shaft and, between forward gear and counter gear, two steel ball limiting plates are symmetricly set on the both sides of clutch cam.
6. indoor high-voltage electric grounding switch according to claim 5, it is characterized in that: be fixed with crankshaft cheek on described main shaft, described clutch cam is hinged with a connecting rod, and the described connecting rod other end is slidably connected by the chute on bearing pin and crankshaft cheek.
7. indoor high-voltage electric grounding switch according to claim 1, is characterized in that: be fixed with spindle cam on described main shaft, be equipped with on described base and match to respond to the travel switch that closes 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 true CN103500671A (en) | 2014-01-08 |
| CN103500671B CN103500671B (en) | 2015-07-22 |
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| 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835674A (en) * | 2015-04-30 | 2015-08-12 | 国家电网公司 | Operating mechanism and direct-operated grounding switch using 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 |
| CN107039207A (en) * | 2017-05-24 | 2017-08-11 | 句容市福润电气有限公司 | Self-locking formula indoor hv earthing switch |
| CN107086145A (en) * | 2017-05-24 | 2017-08-22 | 句容市福润电气有限公司 | Flatly moving type indoor hv earthing switch |
| CN108550490A (en) * | 2018-04-28 | 2018-09-18 | 河南华盛隆源电气有限公司 | A kind of isolated breaker, disconnecting switch and its electronic isolation chassis |
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| JPH0750114A (en) * | 1993-08-03 | 1995-02-21 | Alps Electric Co Ltd | Switch driving mechanism |
| 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 |
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2013
- 2013-10-19 CN CN201310490282.3A patent/CN103500671B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0750114A (en) * | 1993-08-03 | 1995-02-21 | Alps Electric Co Ltd | Switch driving mechanism |
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835674A (en) * | 2015-04-30 | 2015-08-12 | 国家电网公司 | Operating mechanism and direct-operated grounding switch using 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 |
| CN107039207A (en) * | 2017-05-24 | 2017-08-11 | 句容市福润电气有限公司 | Self-locking formula indoor hv earthing switch |
| CN107086145A (en) * | 2017-05-24 | 2017-08-22 | 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 |
| 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 |
| CN108550490A (en) * | 2018-04-28 | 2018-09-18 | 河南华盛隆源电气有限公司 | A kind of isolated breaker, disconnecting switch and its electronic isolation chassis |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103500671B (en) | 2015-07-22 |
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