CN204760304U - Transformer substation uses isolator - Google Patents
Transformer substation uses isolator Download PDFInfo
- Publication number
- CN204760304U CN204760304U CN201520291328.3U CN201520291328U CN204760304U CN 204760304 U CN204760304 U CN 204760304U CN 201520291328 U CN201520291328 U CN 201520291328U CN 204760304 U CN204760304 U CN 204760304U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- base
- frame
- isolating switch
- contact
- 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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- 239000012212 insulator Substances 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 abstract 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model provides a transformer substation uses isolator, including the base to and slip setting is in frame on the base install the static contact that is the cylindricality via the epoxy insulator on the base in the frame corresponding to the static contact is provided with the plum blossom contact, the plum blossom contact via the disjunctor insulator install in in the frame it is equipped with the screw rod to rotate on the base, the frame is established via the screw borehole jack of locating on it on the screw rod, be connected with in the one end of screw rod and order about screw rod pivoted handle it can be right still to be equipped with between base and the screw rod the ratchet locking means that locks is carried out in the ascending rotation in one of which side of screw rod. Transformer substation uses isolator, keep at fixed status after can making switch contact close a floodgate, avoid its the pine problem of taking off to appear in the long -time back of using.
Description
Technical field
The utility model relates to technical field of electrotechnical equipment, particularly a kind of transformer station isolating switch.
Background technology
After outdoor type isolating switch length service time that current transformer station uses, its running part, current-carrying part easily occur that operating physical force strengthens, the porcelain vase rotating part of moving contact is driven to cause fingertip extension spring to be lost efficacy because of corrosion, moving contact and fixed contact contact forces reduce, contact resistance increases, cause the problem such as to generate heat between dynamic and static contact, isolating switch time serious, even can be caused to burn.Chinese utility model patent CN203706992U discloses a kind of Outdoor Trusses For Transformer Substation formula isolating switch, it is made up of framework, support, contact system, insulation system and drive system, framework is slidably arranged on support via bearing, and drive system comprises turbine mechanism, reducing gear case and hand-rail type operating mechanism.This Outdoor Trusses For Transformer Substation formula isolating switch, can be avoided contact to produce the problem of loose contact, heating because of fingertip extension spring and contact corrosion to a certain extent, and can be alleviated the labour intensity of operating personnel by worm gear drive.But this Outdoor Trusses For Transformer Substation formula isolating switch after a long time use, still be difficult to thoroughly to solve contact and come in contact problem that is bad and heating because getting loose, and it uses the parts such as bearing also cause this isolating switch structure comparatively complicated, cause burden to the maintenance after using.
Utility model content
In view of this, the utility model is intended to propose a kind of transformer station isolating switch, remains on stationary state, avoid it to occur the problem of getting loose after a long time use can make switch contact after closing a floodgate.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of transformer station isolating switch, comprise base, and the frame be slidably arranged on described base, described base is provided with the fixed contact in cylindricality via epoxy resin insulator, described frame corresponds to described fixed contact and is provided with Mume flower contact, described Mume flower contact is installed in described frame via disjunctor insulator, described base rotates and is provided with screw rod, described frame is set on described screw rod via screwed hole provided thereon, the handle ordering about described bolt rotary is connected with in one end of screw rod, also be provided with between described base and screw rod and can enter line-locked ratchet locking system to the rotation on the one direction of described screw rod.
Further, described ratchet locking system comprises the ratchet be set on described screw rod, be arranged on the moving tooth on described base corresponding to described pawl wheel, also comprise connecting to be arranged on, between described base and moving tooth, tractive is carried out, to make one end of described moving tooth be connected to spring on described ratchet to described moving tooth.
Further, between described handle and screw rod, be connected with the decelerator be arranged on described base.
Further, described base is provided with slide bar, described frame is slidably located on described slide bar via the through hole on it.
Further, described slide bar is two of being arranged side by side on described base, and the through hole corresponding to described slide bar is two of being arranged in described frame.
Further, insulating cover is cylindrically arranged with in the outside of described Mume flower contact.
Further, described base is provided with graduation mark along the glide direction of described frame, described frame is provided with the arrow pointing to described graduation mark.
Relative to prior art, the utility model has following advantage:
Transformer station of the present utility model isolating switch provides slip actuating force via the cooperation of screw rod, screw for frame, and its structure is simple, easy to maintenance, ratchet positioner can after fixed contact and Mume flower contact close a floodgate, prevent screw rod from occurring reversing, to make two contacts remain on fixing engagement state, thus two contacts can be avoided to occur the problem of getting loose after a long time use.Ratchet positioner adopts the textural association of ratchet, moving tooth and spring, and its structure is simple, is convenient to design and assembly, and easy to use.Arrange decelerator can convenient operation personnel exert a force to handle, also can ensure the stationarity of bolt rotary simultaneously.Utilize slide bar can ensure that frame drives the accuracy of the Mume flower contact direction of motion, to complete closing operation smoothly with coordinating of through hole.The erosion that insulating cover can reduce to expose to the sun and rain to contact is set, plays a very good protection.Graduation mark is set and arrow then can be used for measuring the degree of depth in the insertion Mume flower contact of fixed contact, avoids the excessive Mume flower contact that causes of housing slide stroke damaged.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structure diagram of the transformer station's isolating switch described in the utility model embodiment;
Description of reference numerals:
1-base, 2-frame, 3-slide bar, 4-screw rod, 5-decelerator, 6-handle, 7-ratchet locking system, 8-epoxy resin insulator, 9-disjunctor insulator, 10-fixed contact, 11-Mume flower contact.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The present embodiment relates to a kind of transformer station isolating switch, as shown in fig. 1, it comprises base 1, and the frame 2 be slidably arranged on base 1, base 1 is provided with the fixed contact 10 in cylindricality via epoxy resin insulator 8, frame 2 corresponds to fixed contact 10 and is provided with Mume flower contact 11, Mume flower contact 11 is for be installed in frame 2 via disjunctor insulator 9.Base 1 rotates and is provided with screw rod 4, frame 2 is set on screw rod 4 via screwed hole provided thereon, be connected with the handle 6 ordering about screw rod 4 and rotate in one end of screw rod 4, be also provided with between base 1 and screw rod 4 and can enter line-locked ratchet locking system 7 to the rotation on the one direction of screw rod 4.
In the present embodiment, fixed contact 10 for be made up of copper tungsten filament material, fixed contact 10 and Mume flower contact 11 can be provided with splicing ear to be connected with external cable.In the outside of Mume flower contact 11, cover also can be provided with not shown insulating cover cylindrically; insulating cover can for be made up of transparent plastic; utilize insulating cover can close a floodgate at switch and reduce the erosion of exposing to the sun and rain to Mume flower contact 11 and fixed contact 10 afterwards, good protective effect can be reached.Ratchet locking system 7 in the present embodiment comprises the not shown ratchet be set on screw rod 4, be arranged on the moving tooth on base 1 corresponding to pawl wheel, and connect to be arranged on, between base 1 and moving tooth, tractive is carried out, to make one end of moving tooth be connected to spring on ratchet to moving tooth.The concrete structure of this ratchet locking system 7 can be identical with the structure of existing ratchet lockable mechanism, do not repeat them here.
, base 1 is provided with slide bar 3, and frame 2 is be slidably located on slide bar 3 via the through hole on it in the present embodiment as shown in Figure 1, arranges to realize the slip of frame 2 on base 1.Utilize slide bar 3 can ensure that frame 2 drives the accuracy of Mume flower contact 11 direction of motion with coordinating of through hole, to complete the closing operation between fixed contact 10 smoothly.For ensureing the stationarity that frame 2 is slided on base 1 in the present embodiment, slide bar 3 can being set to be arranged side by side in two on base 1, now corresponding to the through hole of slide bar 3 also for being arranged on two in frame 2.
For ease of operating personnel, handle 6 is exerted a force, also can ensure the stationarity that screw rod 4 rotates simultaneously, also can be in transmission connection in the present embodiment the decelerator 5 be arranged on base 1 between handle 6 and screw rod 4, and decelerator 5 can adopt existing small-sized deceleration device.For to measure the degree of depth in the insertion Mume flower contact 11 of fixed contact 10 in the present embodiment, to avoid because the excessive Mume flower contact 11 that causes of frame 2 sliding stroke is damaged, also on base 1, graduation mark can be set along the glide direction of frame 2, the arrow pointing to this graduation mark also can be set simultaneously in frame 2.
Transformer station's isolating switch of the present embodiment provides slip actuating force via the cooperation of screw rod 4, screw for frame 2, and its structure is simple, easy to maintenance, and ratchet positioner 7 can after fixed contact 10 and Mume flower contact 11 close a floodgate, prevent screw rod 4 from occurring reversing, fixing engagement state is remained on to make fixed contact 10 and Mume flower contact 11, thus two contacts can be avoided to occur the problem of getting loose after a long time use, ensure that the contact of isolating switch does not come in contact problem that is bad and heating because getting loose, there is good practicality.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. transformer station's isolating switch, comprise base, and the frame be slidably arranged on described base, described base is provided with the fixed contact in cylindricality via epoxy resin insulator, described frame corresponds to described fixed contact and is provided with Mume flower contact, described Mume flower contact is installed in described frame via disjunctor insulator, it is characterized in that: rotate on described base and be provided with screw rod, described frame is set on described screw rod via screwed hole provided thereon, the handle ordering about described bolt rotary is connected with in one end of screw rod, also be provided with between described base and screw rod and can enter line-locked ratchet locking system to the rotation on the one direction of described screw rod.
2. transformer station according to claim 1 isolating switch, it is characterized in that: described ratchet locking system comprises the ratchet be set on described screw rod, be arranged on the moving tooth on described base corresponding to described pawl wheel, also comprise connecting to be arranged on, between described base and moving tooth, tractive is carried out, to make one end of described moving tooth be connected to spring on described ratchet to described moving tooth.
3. transformer station according to claim 2 isolating switch, is characterized in that: between described handle and screw rod, be connected with the decelerator be arranged on described base.
4. transformer station according to claim 2 isolating switch, it is characterized in that: on described base, be provided with slide bar, described frame is slidably located on described slide bar via the through hole on it.
5. transformer station according to claim 4 isolating switch, is characterized in that: described slide bar is two of being arranged side by side on described base, and the through hole corresponding to described slide bar is two of being arranged in described frame.
6. transformer station according to any one of claim 1 to 5 isolating switch, is characterized in that: be arranged with insulating cover cylindrically in the outside of described Mume flower contact.
7. transformer station according to claim 6 isolating switch, is characterized in that: on described base, be provided with graduation mark along the glide direction of described frame, and described frame is provided with the arrow pointing to described graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291328.3U CN204760304U (en) | 2015-05-08 | 2015-05-08 | Transformer substation uses isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291328.3U CN204760304U (en) | 2015-05-08 | 2015-05-08 | Transformer substation uses isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204760304U true CN204760304U (en) | 2015-11-11 |
Family
ID=54474984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520291328.3U Active CN204760304U (en) | 2015-05-08 | 2015-05-08 | Transformer substation uses isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204760304U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374613A (en) * | 2015-12-15 | 2016-03-02 | 国网山东莱阳市供电公司 | Smooth-switching isolating switch |
| CN110610832A (en) * | 2019-10-11 | 2019-12-24 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
| CN110828222A (en) * | 2019-11-15 | 2020-02-21 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
| CN117275990A (en) * | 2023-08-11 | 2023-12-22 | 安徽合凯电气科技股份有限公司 | Special phase change switch for large-scale generator |
| CN117275990B (en) * | 2023-08-11 | 2024-05-10 | 安徽合凯电气科技股份有限公司 | Special phase change switch for large-scale generator |
-
2015
- 2015-05-08 CN CN201520291328.3U patent/CN204760304U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374613A (en) * | 2015-12-15 | 2016-03-02 | 国网山东莱阳市供电公司 | Smooth-switching isolating switch |
| CN110610832A (en) * | 2019-10-11 | 2019-12-24 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
| CN110610832B (en) * | 2019-10-11 | 2021-05-04 | 北京中车赛德铁道电气科技有限公司 | Sliding high-voltage isolating switch |
| CN110828222A (en) * | 2019-11-15 | 2020-02-21 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
| CN110828222B (en) * | 2019-11-15 | 2021-07-13 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
| CN117275990A (en) * | 2023-08-11 | 2023-12-22 | 安徽合凯电气科技股份有限公司 | Special phase change switch for large-scale generator |
| CN117275990B (en) * | 2023-08-11 | 2024-05-10 | 安徽合凯电气科技股份有限公司 | Special phase change switch for large-scale generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |