CN203351482U - Outdoor alternating-current high-voltage isolation switch - Google Patents
Outdoor alternating-current high-voltage isolation switch Download PDFInfo
- Publication number
- CN203351482U CN203351482U CN 201320298423 CN201320298423U CN203351482U CN 203351482 U CN203351482 U CN 203351482U CN 201320298423 CN201320298423 CN 201320298423 CN 201320298423 U CN201320298423 U CN 201320298423U CN 203351482 U CN203351482 U CN 203351482U
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- CN
- China
- Prior art keywords
- moving contact
- outlet board
- movable touch
- isolating switch
- touch knife
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an outdoor alternating-current high-voltage isolation switch. The technical scheme of the utility model comprises: that the switch comprises a pedestal, two insulators disposed on the pedestal, an upper wire outlet board, and a lower wire outlet board, wherein the upper wire outlet board and the lower wire outlet board are respectively disposed on the two insulators; that the upper wire outlet board is provided with a static contact; that the lower wire outlet board is provided with a moving contact; that the moving contact is connected with a moving contact knife through a rotating shaft; that the moving contact knife is rotatingly connected with the moving contact, wherein the rotating shaft is taken as a center; that the moving contact knife comprises two switch blade plates which are connected with each other through a connecting shaft; that the rotating shaft is provided with a ball bearing which has a sealed structure; that a contact surface of a static contact with the moving contact knife is provided with a sliver coating; that the connecting shaft is provided with a pressing spring which presses the two switch blade plates; that a side, which contacts with the static contact, of the moving contact knife is provided with a self-locking device; and that the ball bearing, the pressing spring and the self-locking device are all made of stainless steel materials. According to the utility model, the structure of the rotating shaft is improved, thereby enabling the moving contact knife to be more flexible and enabling the switching operation of the isolation switch to be more reliable.
Description
Technical field
The utility model relates to a kind of switch, is specifically related to a kind of outdoor AC high-voltage isolating switch.
Background technology
Isolating switch is to use maximum a kind of electrical equipment in high-tension apparatus, and because use amount is large, functional reliability requires high, very large on design, foundation and the safe operation impact of electric substation.The bearing pin of domestic isolating switch, what generally adopt is the copper product of cold galvanizing, and mostly exposed, under the effect of rainwater, moisture, particularly acid rain, be very easy to get rusty, cause the pivot pin activity ineffective, in addition, axle sleeve adopts the brass manufacture, easily and copper bearing pin generation chemical corrosion, more increased the weight of defect situation.Coating lubricating oil deficiency when rolling bearing dispatches from the factory, add poorly sealedly, easily infilters rainwater, cause rotate dumb.The rotation axis of isolating switch, due to reasons such as corrosion, distortion, operates jam often, has increased the weight of operational torque, causes that isolating switch closes a floodgate not in place, the separating brake difficulty.
The utility model content
The deficiency existed for prior art, the utility model provides a kind of outdoor AC high-voltage isolating switch, and this outdoor AC high-voltage isolating switch has improved the structure of rotation axis, movable touch knife is rotated more flexible, and the isolating switch breaking-closing operating is more reliable.
For achieving the above object, the utility model provides following technical scheme: a kind of outdoor AC high-voltage isolating switch, comprise base, be arranged on two insulators on base, be separately positioned on upper outlet board and lower outlet board on two insulators, be provided with fixed contact on described upper outlet board, be provided with moving contact on described lower outlet board, described moving contact is connected with movable touch knife by rotation axis, described movable touch knife is rotationally connected with moving contact centered by rotation axis, movable touch knife comprises two plug-in strip plates, described two plug-in strip plates connect by connecting axle, described rotation axis place is provided with the ball bearing of hermetically-sealed construction.
By adopting technique scheme, movable touch knife is rotationally connected with moving contact centered by rotation axis, the rotation axis place is provided with the ball bearing of hermetically-sealed construction, make the more flexibility and reliability that is rotationally connected of movable touch knife and moving contact, jam while avoiding rotation axis to cause operation due to reasons such as corrosion, distortion, increased the weight of operational torque, cause isolating switch divide-shut brake difficulty, this outdoor AC high-voltage isolating switch has improved the structure of rotation axis, movable touch knife is rotated more flexible, the isolating switch breaking-closing operating is more reliable.
The utility model further is set to, and the contact-making surface of described fixed contact and movable touch knife is provided with silver coating.
By adopting technique scheme, the contact-making surface of fixed contact and movable touch knife is provided with silver-plated, strengthen the electric conductivity of fixed contact and movable touch knife, guarantee that major loop resistance is lower, reduce the heating of contact portion, contact can not generate heat because electric current is overheated thawing, burn or cause indenture, extend its useful life.
The utility model further is set to, and is provided with the holddown spring that compresses two plug-in strip plates on described connecting axle.
By adopting technique scheme, be provided with the holddown spring that compresses two plug-in strip plates on connecting axle, give two pressure that the plug-in strip plate is certain by holddown spring, guarantee that two spacings between the plug-in strip plate are less than the thickness of fixed contact, when closing a floodgate, make moving contact tightr with being electrically connected to of fixed contact, avoid loose contact, guarantee the contact between movable touch knife and fixed contact, make contact resistance lower, reliable.
The utility model further is set to, and described movable touch knife is provided with self-locking device contacting a side with fixed contact.
By adopting technique scheme, because isolating switch is generally to be inverted and installs, be base upward, movable touch knife is installed down, movable touch knife is provided with self-locking device contacting a side with fixed contact, during the isolating switch separating brake, by insulation structure rod, fastens self-locking device, pull from making device to the separating brake direction, untie after self-locking device and drive the movable touch knife be attached thereto and realize the separating brake action; During combined floodgate, the insulated hook rod withstands from making device and drives the movable touch knife rotation, and while making movable touch knife turn to closing position, now self-locking device is locked in closing position by movable touch knife, avoid isolating switch mistake separating brake phenomenon to occur in the course of the work, make the equipment operation more reliable.
The utility model further is set to, and described ball bearing, holddown spring, self-locking device are made by stainless steel material.
By adopting technique scheme, ball bearing, holddown spring, self-locking device are made by stainless steel material, avoid isolating switch the sun tan by the sun and the environment that exposes to wind and rain under, cause ball bearing, holddown spring and self-locking device corrosion, cause equipment normally not use, bring potential safety hazard.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model outdoor AC high-voltage isolating switch;
The vertical view that Fig. 2 is the utility model outdoor AC high-voltage isolating switch.
Reference numeral: 1, base; 2, insulator; 31, upper outlet board; 32, lower outlet board; 41, fixed contact; 42, moving contact; 5, rotation axis; 6, movable touch knife; 7, connecting axle; 8, self-locking device; 9, holddown spring; 10, ball bearing.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model outdoor AC high-voltage isolating switch embodiment is described further.
A kind of outdoor AC high-voltage isolating switch, comprise base 1, be arranged on two insulators 2 on base 1, be separately positioned on upper outlet board 31 and lower outlet board 32 on two insulators 2, be provided with fixed contact 41 on described upper outlet board 31, be provided with moving contact 42 on described lower outlet board 32, described moving contact 42 is connected with movable touch knife 6 by rotation axis 5, described movable touch knife 6 is rotationally connected with moving contact 42 centered by rotation axis 5, movable touch knife 6 comprises two plug-in strip plates, described two plug-in strip plates connect by connecting axle 7, the junction of described rotation axis 5 and movable touch knife 6 is provided with the ball bearing 10 of hermetically-sealed construction.
By adopting technique scheme, movable touch knife 6 is rotationally connected with moving contact 42 centered by rotation axis 5, rotation axis 5 places are provided with the ball bearing 10 of hermetically-sealed construction, make the more flexibility and reliability that is rotationally connected of movable touch knife 6 and moving contact 42, jam while avoiding rotation axis 5 to cause operation due to reasons such as corrosion, distortion, increased the weight of operational torque, cause isolating switch divide-shut brake difficulty, this outdoor AC high-voltage isolating switch has improved the structure of rotation axis 5, movable touch knife 6 is rotated more flexible, the isolating switch breaking-closing operating is more reliable.
Described fixed contact 41 is provided with silver coating with the contact-making surface of movable touch knife 6.
By adopting technique scheme, fixed contact 41 is provided with silver-plated with the contact-making surface of movable touch knife 6, strengthen the electric conductivity of fixed contact 41 and movable touch knife 6, guarantee that major loop resistance is lower, reduce the heating of contact portion, contact can not generate heat because electric current is overheated thawing, burn or cause indenture, extend its useful life.
Be provided with the holddown spring 9 that compresses two plug-in strip plates on described connecting axle 7.
By adopting technique scheme, be provided with the holddown spring 9 that compresses two plug-in strip plates on connecting axle 7, give two pressure that the plug-in strip plate is certain by holddown spring 9, guarantee that two spacings between the plug-in strip plate are less than the thickness of fixed contact 41, when closing a floodgate, make moving contact 42 tightr with being electrically connected to of fixed contact 41, avoid loose contact, guarantee the contact between movable touch knife 6 and fixed contact 41, make contact resistance lower, reliable.
Described movable touch knife 6 is provided with self-locking device 8 with fixed contact 41, contacting a side.
By adopting technique scheme, because isolating switch is generally to be inverted and installs, be base 1 upward, movable touch knife 6 is installed down, movable touch knife 6 is provided with self-locking device 8 with fixed contact 41, contacting a side, during the isolating switch separating brake, by insulation structure rod, fastens self-locking device 8, pull from making device to the separating brake direction, untie the movable touch knife 6 that the rear drive of self-locking device 8 is attached thereto and realize the separating brake action; During combined floodgate, the insulated hook rod withstands from making device and drives movable touch knife 6 rotations, and while making movable touch knife 6 turn to closing position, now self-locking device 8 is locked in closing position by movable touch knife 6, avoid isolating switch mistake separating brake phenomenon to occur in the course of the work, make the equipment operation more reliable.
Described ball bearing 10, holddown spring 9, self-locking device 8 are made by stainless steel material.
By adopting technique scheme, ball bearing 10, holddown spring 9, self-locking device 8 are made by stainless steel material, avoid isolating switch the sun tan by the sun and the environment that exposes to wind and rain under, cause ball bearing 10, holddown spring 9 and self-locking device 8 corrosions, cause equipment normally not use, bring potential safety hazard.
The above is only preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. an outdoor AC high-voltage isolating switch, comprise base, be arranged on two insulators on base, be separately positioned on upper outlet board and lower outlet board on two insulators, be provided with fixed contact on described upper outlet board, be provided with moving contact on described lower outlet board, described moving contact is connected with movable touch knife by rotation axis, described movable touch knife is rotationally connected with moving contact centered by rotation axis, movable touch knife comprises two plug-in strip plates, described two plug-in strip plates connect by connecting axle, it is characterized in that: described rotation axis place is provided with the ball bearing of hermetically-sealed construction.
2. a kind of outdoor AC high-voltage isolating switch according to claim 1, it is characterized in that: the contact-making surface of described fixed contact and movable touch knife is provided with silver coating.
3. a kind of outdoor AC high-voltage isolating switch according to claim 2, is characterized in that: be provided with the holddown spring that compresses two plug-in strip plates on described connecting axle.
4. a kind of outdoor AC high-voltage isolating switch according to claim 3 is characterized in that: described movable touch knife is provided with self-locking device contacting a side with fixed contact.
5. according to the described a kind of outdoor AC high-voltage isolating switch of claim 3 or 4, it is characterized in that: described ball bearing, holddown spring, self-locking device are made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298423 CN203351482U (en) | 2013-05-28 | 2013-05-28 | Outdoor alternating-current high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298423 CN203351482U (en) | 2013-05-28 | 2013-05-28 | Outdoor alternating-current high-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351482U true CN203351482U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320298423 Expired - Fee Related CN203351482U (en) | 2013-05-28 | 2013-05-28 | Outdoor alternating-current high-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681079A (en) * | 2013-12-22 | 2014-03-26 | 广西和谐电力科技有限公司 | High-voltage isolating switch |
| CN103700535A (en) * | 2013-12-22 | 2014-04-02 | 广西和谐电力科技有限公司 | High-voltage cutoff switch |
| CN105761997A (en) * | 2016-04-05 | 2016-07-13 | 宁波鹿鼎电子科技有限公司 | Isolation switch |
| CN107464721A (en) * | 2017-09-18 | 2017-12-12 | 浙江赋星电气科技股份有限公司 | A kind of disconnecting switch with auto-lock function |
| CN109326481A (en) * | 2018-10-31 | 2019-02-12 | 河南华盛隆源电气有限公司 | The breaker of external isolation |
-
2013
- 2013-05-28 CN CN 201320298423 patent/CN203351482U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681079A (en) * | 2013-12-22 | 2014-03-26 | 广西和谐电力科技有限公司 | High-voltage isolating switch |
| CN103700535A (en) * | 2013-12-22 | 2014-04-02 | 广西和谐电力科技有限公司 | High-voltage cutoff switch |
| CN105761997A (en) * | 2016-04-05 | 2016-07-13 | 宁波鹿鼎电子科技有限公司 | Isolation switch |
| CN107464721A (en) * | 2017-09-18 | 2017-12-12 | 浙江赋星电气科技股份有限公司 | A kind of disconnecting switch with auto-lock function |
| CN107464721B (en) * | 2017-09-18 | 2020-07-10 | 浙江赋星电气科技股份有限公司 | Take self-locking function's isolator |
| CN109326481A (en) * | 2018-10-31 | 2019-02-12 | 河南华盛隆源电气有限公司 | The breaker of external isolation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |