CN105321763A - Isolating switch - Google Patents
Isolating switch Download PDFInfo
- Publication number
- CN105321763A CN105321763A CN201510668543.5A CN201510668543A CN105321763A CN 105321763 A CN105321763 A CN 105321763A CN 201510668543 A CN201510668543 A CN 201510668543A CN 105321763 A CN105321763 A CN 105321763A
- Authority
- CN
- China
- Prior art keywords
- insulator
- isolating switch
- rotating shaft
- support
- dust cover
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
- H01H31/30—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact actuated through the movement of one or more insulators
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses an isolating switch, which comprises a bracket, a movable insulator and a fixed insulator, wherein the movable insulator and the fixed insulator are arranged at the lower part of the bracket; the movable insulator is rotationally connected with the bracket; the fixed insulator is fixedly connected with the bracket; a line inlet plate, a line outlet plate and a rain cover are arranged on the bracket; a contact knife is arranged in the rain cover; a rotating shaft is arranged at the lower part of the movable insulator; a bearing and a dust cover are arranged at the outer side of the rotating shaft; the rotating shaft is rotationally connected with the bearing; an underframe is arranged at the lower part of the fixed insulator; the fixed insulator is fixedly connected with the underframe; the dust cover is fixedly connected with the underframe; and a nut is arranged at the bottom of the dust cover and is in threaded connection with the rotating shaft. The isolating switch is good in structure stability, safe, reliable, convenient to install and easy to operate.
Description
Technical field
The present invention relates to a kind of controller switching equipment technical field, particularly relate to a kind of isolating switch.
Background technology
Isolating switch, namely when dividing position, having the insulation distance of the requirement that conforms with the regulations and significantly disconnecting mark between contact; When co-bit is put, the switchgear of electric current under normal loop condition and the electric current at the appointed time under exceptional condition (such as short circuit) can be carried.
Isolating switch (being commonly called as " disconnecting link "), generally refer to high voltage isolator, namely rated voltage is at 1kV and above isolating switch thereof, usually referred to as isolating switch, be use maximum a kind of electrical equipment in high-voltage switch electric appliance, the principles and structure of itself is fairly simple, but due to use amount large, functional reliability requires high, all larger on the impact of the design of electric substation, power plant, foundation and safe operation.The main feature of isolating switch is without arc extinguishing ability, can only divide when there is no load current, close circuit, isolating switch is used for each step voltage, be used as to change circuit connect or make circuit or equipment and isolated from power, it does not stop ability, operate again after first circuit can only being disconnected with miscellaneous equipment, generally with the interlock of misoperation when preventing switch band load, sometimes pin is needed to prevent cut-off switch under the magneticaction of large fault, high voltage isolator is by the difference of its mounting means, outdoor high-voltage isolating switch and indoor high-voltage isolating switch can be divided into, outdoor high-voltage isolating switch refers to bear wind, rain, snow, filthy, condensation, the effect such as ice and depth hoar, be suitable for the high voltage isolator being arranged on balcony use, open side type isolating switch can be divided into by the difference of its insulation column structure, queen post isolating switch, three pillar type isolating switch, wherein vertical space is directly used as the electric insulation of fracture by open side type isolating switch below built on stilts bus, therefore, the obvious advantage had, save floor occupying area exactly, reduce to draw and connect wire, opening and closing state is clear especially simultaneously, in EHV transmission situation, after electric substation adopts open side type isolating switch, the effect saved floor occupying area is more remarkable, current existing isolating switch complex structure, install inconvenient, there is certain potential safety hazard in use.
Summary of the invention
It is good that the technical problem to be solved in the present invention is to provide a kind of structural stability, safe and reliable, easy for installation, easily operates in the isolating switch of outdoor use.
For solving the problem, the present invention adopts following technical scheme: a kind of isolating switch, comprise support, dynamic insulator and quiet insulator, described dynamic insulator and quiet insulator are located at below support, described dynamic insulator is connected with holder pivots, described quiet insulator is fixedly connected with support, described support is provided with inlet wire plate, outlet board and rain cover, contact knife is provided with in described rain cover, rotating shaft is provided with below described dynamic insulator, dynamic insulator and quiet insulator can keep good insulation property, support can make contact knife disconnect when dynamic insulator rotating, play the effect of isolation, rotating shaft is easily installed on transmission mechanism, keep handling safety reliable, described rotating shaft arranged outside has bearing and dust cover, described rotating shaft and bearing are rotationally connected, underframe is provided with below described quiet insulator, described quiet insulator is fixedly connected with underframe, described dust cover is fixedly connected with underframe, nut is provided with bottom described dust cover, described nut is connected with shaft thread.
As preferably, described inlet wire plate, contact knife and outlet board are electrically connected successively, and holding circuit connects unobstructed.
As preferably, described dust cover side is provided with limited post, can damage by anti-stop insulator rotating.
As preferably, described dynamic insulator is provided with lightning arrester, can lightning protection, keep use safety.
As preferably, described support is provided with two pieces, conveniently contact knife is moved when rotating.
As preferably, described support is connected by contact knife, and contact knife moves and gets final product open circuit.
It is good that this technical scheme has structural stability, safe and reliable, easy for installation, maneuverable feature.
The invention has the beneficial effects as follows: dynamic insulator and the quiet insulator of setting can keep good insulation property, support can make contact knife disconnect when dynamic insulator rotating, play the effect of isolation, rotating shaft is easily installed on transmission mechanism, and keep handling safety reliable, dust cover has good dust-proof effect, prevent short circuit, limited post can damage anti-stop insulator rotating, and lightning arrester can lightning protection, keeps use safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of isolating switch of the present invention.
Embodiment
Consult shown in Fig. 1, a kind of isolating switch, comprise support 1, dynamic insulator 2 and quiet insulator 3, described dynamic insulator 2 and quiet insulator 3 are located at below support 1, described dynamic insulator 2 is rotationally connected with support 1, described quiet insulator 3 is fixedly connected with support 1, described support 1 is provided with inlet wire plate 4, outlet board 5 and rain cover 6, contact knife 7 is provided with in described rain cover 6, rotating shaft 8 is provided with below described dynamic insulator 2, described rotating shaft 8 arranged outside has bearing 9 and dust cover 10, in use, inlet wire plate 4 and outlet board 5 are linked in circuit, bearing 9 is connected with transmission mechanism, being rotated by rotating shaft 9 to make the support 1 on dynamic insulator 2 offset, by contact knife 7, circuit is disconnected, described rotating shaft 8 is rotationally connected with bearing 9, underframe 11 is provided with below described quiet insulator 3, described quiet insulator 3 is fixedly connected with underframe 11, described dust cover 10 is fixedly connected with underframe 11, nut 12 is provided with bottom described dust cover 10, described nut 12 is threaded with rotating shaft 8.
Described inlet wire plate 4, contact knife 7 and outlet board 5 are electrically connected successively, and in use, holding circuit connects unobstructed.
Described dust cover 10 side is provided with limited post 13, in use, can rotate damage by anti-stop insulator 2.
Described dynamic insulator 2 is provided with lightning arrester 14, in use, can lightning protection, keep use safety.
Described support 1 is provided with two pieces, in use, during convenient rotation, contact knife 7 is moved.
Described support 1 is connected by contact knife 7, and in use, contact knife 7 moves and gets final product open circuit.
In use, inlet wire plate 4 and outlet board 5 are linked in circuit, and bearing 9 is connected with transmission mechanism, rotated and the support 1 on dynamic insulator 2 can be made to offset, by contact knife 7, circuit is disconnected by rotating shaft 9.
The invention has the beneficial effects as follows: dynamic insulator and the quiet insulator of setting can keep good insulation property, support can make contact knife disconnect when dynamic insulator rotating, play the effect of isolation, rotating shaft is easily installed on transmission mechanism, and keep handling safety reliable, dust cover has good dust-proof effect, prevent short circuit, limited post can damage anti-stop insulator rotating, and lightning arrester can lightning protection, keeps use safety.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection scope of the present invention; therefore, the protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1. an isolating switch, it is characterized in that: comprise support, dynamic insulator and quiet insulator, described dynamic insulator and quiet insulator are located at below support, described dynamic insulator is connected with holder pivots, described quiet insulator is fixedly connected with support, described support is provided with inlet wire plate, outlet board and rain cover, contact knife is provided with in described rain cover, rotating shaft is provided with below described dynamic insulator, described rotating shaft arranged outside has bearing and dust cover, described rotating shaft and bearing are rotationally connected, underframe is provided with below described quiet insulator, described quiet insulator is fixedly connected with underframe, described dust cover is fixedly connected with underframe, nut is provided with bottom described dust cover, described nut is connected with shaft thread.
2. isolating switch according to claim 1, is characterized in that: described inlet wire plate, contact knife and outlet board are electrically connected successively.
3. isolating switch according to claim 1, is characterized in that: described dust cover side is provided with limited post.
4. isolating switch according to claim 1, is characterized in that: described dynamic insulator is provided with lightning arrester.
5. isolating switch according to claim 1, is characterized in that: described support is provided with two pieces.
6. isolating switch according to claim 5, is characterized in that: described support is connected by contact knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668543.5A CN105321763A (en) | 2015-10-13 | 2015-10-13 | Isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668543.5A CN105321763A (en) | 2015-10-13 | 2015-10-13 | Isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105321763A true CN105321763A (en) | 2016-02-10 |
Family
ID=55248927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510668543.5A Pending CN105321763A (en) | 2015-10-13 | 2015-10-13 | Isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105321763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170627A (en) * | 2017-06-26 | 2017-09-15 | 中车株洲电力机车有限公司 | A kind of disconnecting switch and its insulator rotating device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177906A (en) * | 1967-10-09 | 1970-01-14 | Westinghouse Electric Corp | High Voltage Electric Switch Structure |
| CN2264967Y (en) * | 1996-04-03 | 1997-10-15 | 南京电瓷总厂熔断器厂 | light operation moment isolating switch |
| CN2645216Y (en) * | 2003-08-07 | 2004-09-29 | 武汉铁道九通科技工程有限公司 | Special purpose electric locomotive high-voltage segregation switch |
| CN201956251U (en) * | 2011-03-24 | 2011-08-31 | 南车株洲电力机车有限公司 | High-voltage disconnecting switch for high-power electric locomotive |
| CN202423098U (en) * | 2012-01-12 | 2012-09-05 | 石家庄开发区新导配电自动化有限公司 | Disconnector with horizontally rotatable single arm of driving shaft |
-
2015
- 2015-10-13 CN CN201510668543.5A patent/CN105321763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177906A (en) * | 1967-10-09 | 1970-01-14 | Westinghouse Electric Corp | High Voltage Electric Switch Structure |
| CN2264967Y (en) * | 1996-04-03 | 1997-10-15 | 南京电瓷总厂熔断器厂 | light operation moment isolating switch |
| CN2645216Y (en) * | 2003-08-07 | 2004-09-29 | 武汉铁道九通科技工程有限公司 | Special purpose electric locomotive high-voltage segregation switch |
| CN201956251U (en) * | 2011-03-24 | 2011-08-31 | 南车株洲电力机车有限公司 | High-voltage disconnecting switch for high-power electric locomotive |
| CN202423098U (en) * | 2012-01-12 | 2012-09-05 | 石家庄开发区新导配电自动化有限公司 | Disconnector with horizontally rotatable single arm of driving shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170627A (en) * | 2017-06-26 | 2017-09-15 | 中车株洲电力机车有限公司 | A kind of disconnecting switch and its insulator rotating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |