CN205230913U - Three -position isolation grounding switch - Google Patents
Three -position isolation grounding switch Download PDFInfo
- Publication number
- CN205230913U CN205230913U CN201520936779.8U CN201520936779U CN205230913U CN 205230913 U CN205230913 U CN 205230913U CN 201520936779 U CN201520936779 U CN 201520936779U CN 205230913 U CN205230913 U CN 205230913U
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- contact
- isolation
- ground connection
- station
- moving contact
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Abstract
The utility model provides a three -position isolation grounding switch. Three -position isolation grounding switch includes operating mechanism, power transmission mechanism and switch contact mechanism, the operating mechanism includes transmission connecting lever and transmission linkage, power transmission mechanism includes insulating dwang, second gear shaft and the rack of gear box and cooperation connection in proper order, the gear box includes main shaft, sector gear axle and first gear shaft, first gear shaft with insulating dwang cooperation is connected, switch contact mechanism includes middle contact, keeps apart static contact, grounding static contact, isolation moving contact and ground connection moving contact, keep apart the moving contact with the ground connection moving contact all with the rack is connected. The utility model discloses a transmission connecting lever's the rotatory transmission linkage that drives, transmission linkage passes through power transmission mechanism makes three -position isolation grounding switch realizes three kinds of operating condition, and the transmission is stable and the transmission is effectual.
Description
Technical field
The utility model relates generally to technical field of electric equipment, especially, relates to a kind of direct acting type three station isolation grounding switch.
Background technology
Isolating switch, earthed switch to be had in the high voltage switchgear of usual transformer station; to circuit or other high voltage switchgear is isolated and ground protection; Cubicle Gas-Insulated Switchgear (being called for short GIS) is the all-closed combined High-Voltage Electrical Appliances that inside fills with SF6 insulating gas; due to its integration degree high (integrating circuit breaker, isolating switch, instrument transformer, earthed switch etc.); floor space is little; safe and reliable, obtain in electrical network and apply more and more widely.In order to fully meet that GIS is high in reliability, volume is little, quality is light and non-maintaining etc. in requirement, GIS isolation earthing switch used progressively adopts fabricated structure, three station isolation grounding switchs are the combined integrated products of isolating switch and earthed switch function, major loop can be made to be in disconnection, isolation, ground connection three kinds of operating states according to the action of operating mechanism.Generally isolating switch is at the zero load lower combiner of ultra-high-tension power transmission line, to reach the conversion and interruption maintenance object that realize circuit, and under specific circumstances also can deciliter limited certain loads.Earthed switch is mainly used in loop ground connection.
What generally use at present mainly contains linear pattern and oblique ejector half transmission two kinds of versions.Adopt described linear three station isolation grounding switchs to adopt single moving contact rectilinear motion, movement travel is long.Three station isolation grounding switchs of described oblique ejector half transmission are adopted to adopt moving contact to realize three station isolation grounding switchs, three kinds of operating states around operation rotating shaft rotary oscillation, transmission is directly simple, isolation grounding static contact can become various angle to arrange, bulk needed for switch installation is little, but because isolation ground connection dynamic/static contact need rotate docking plug, circular plum blossom moving contact is adopted easily to cause loose contact, and easy clamping stagnation.And adopt blade type plug-in type contact, then contact shape can be made to produce corner angle, have influence on electric fields uniform distribution.In addition, rotating knife shank type three station used now isolator switch is applicable to the use of small area analysis field, and along with the increase of electric current, the contact area of fingertip (fixed contact) and contact (moving contact) increases, and causes three station volumes to increase.
Therefore, three station isolation grounding switchs that a kind of improvement is provided are necessary.
Summary of the invention
The purpose of this utility model is the technical barrier for solving existing three station isolation grounding switchs, provides a kind of and can be applicable to big current field and three station small volumes, effective, not easily clamping stagnation, convenient for maintaining three station isolation grounding switchs of transmission.
The utility model provides a kind of three station isolation grounding switchs, comprise the operating mechanism connected successively, power drive mechanism and switch contact mechanism, the kinematic link that described operating mechanism comprises transmission crank arm and is connected with described transmission crank arm, described power drive mechanism comprises gear box, insulation dwang, second gear shaft and tooth bar, described gear box comprises the main shaft be connected with described kinematic link, the sector shaft coordinated with described main shaft, and with the first gear shaft of described sector shaft engagement fit, described insulation dwang two ends connect described first gear shaft and described second gear shaft respectively, described second gear shaft and described tooth bar are connected, described switch contact mechanism comprises Interposer contact, be divided into described Interposer contact two ends and with the spaced isolation fixed contact of described Interposer contact and grounding static contact, the isolation moving contact be equipped with described Interposer contact and described isolation fixed contact, and the ground connection moving contact to be equipped with described Interposer contact and described grounding static contact, described isolation moving contact is all connected with described tooth bar with described ground connection moving contact.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described Interposer contact, described isolation fixed contact, described grounding static contact, described isolation moving contact and described ground connection moving contact are all located at same plane.
In three station isolation grounding switch one preferred embodiments that the utility model provides, also comprise radome, the end of described Interposer contact near described isolation fixed contact be located at by described radome.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described isolation fixed contact and described grounding static contact are spring touch finger.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described transmission crank arm rotates and makes described three station isolation grounding switchs have an isolation to close a floodgate and the position of ground connection separating brake, an isolation separating brake and the position of ground connection separating brake and an isolation separating brake and the position of contact of earth.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described three station isolation grounding switchs be in described isolation close a floodgate and the position of ground connection separating brake time, described isolation moving contact is located in described isolation fixed contact, and described ground connection moving contact is contained in described Interposer contact.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described three station isolation grounding switchs be in described isolation separating brake and the position of ground connection separating brake time, described isolation moving contact is contained in described radome, and described ground connection moving contact is contained in described Interposer contact.
In three station isolation grounding switch one preferred embodiments that the utility model provides, described three station isolation grounding switchs be in isolation separating brake and the position of contact of earth time, described isolation moving contact is contained in described radome, and described ground connection moving contact is located in described grounding static contact.
In three station isolation grounding switch one preferred embodiments that the utility model provides, also comprise disc insulator, described Interposer contact is located on described disc insulator.
Compared to prior art, three station isolation grounding switchs that the utility model provides have following beneficial effect:
One, the utility model rotarily drives kinematic link by transmission crank arm, described kinematic link makes described three station isolation grounding switchs realize three kinds of operating states by described power drive mechanism, namely isolation close a floodgate and ground connection separating brake, isolation separating brake and ground connection separating brake and isolation separating brake and three of contact of earth kinds of states, described power drive mechanism comprises and to be connected successively and by the main shaft of the transferring power that is connected, sector shaft, the first gear shaft, insulation dwang, the second gear shaft and tooth bar, stable transmission and transmission is effective.
Two, described isolation moving contact and described ground connection moving contact respectively straight line insert described isolation fixed contact and described grounding static contact, resistance is little, be easy to aim at, not easily clamping stagnation, convenient for maintaining.
Three, by arranging radome at Interposer contact near the end of described isolation fixed contact, electric fields uniform being distributed, reducing its impact on leading electricity.
Four, described Interposer contact is supported by disc insulator, supporting & stablizing, good seal performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, 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, wherein:
Fig. 1 is that three station isolation grounding switchs that the utility model provides are in the generalized section of isolating service position;
Fig. 2 is the generalized section that three station isolation grounding switchs that the utility model provides are in separating brake service position;
Fig. 3 is the generalized section that three station isolation grounding switchs that the utility model provides are in ground connection service position.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, is that three station isolation grounding switchs that the utility model provides are in the generalized section of isolating service position.
The utility model provides a kind of three station isolation grounding switchs 100, when described three station isolation grounding switchs 100 are installed and the angle of horizontal plane between 20 degree to 40 degree, preferably 30 degree, make installing space size needed for described three station isolation grounding switchs 100 little.Described three station isolation grounding switchs 100 comprise operating mechanism (not shown), power drive mechanism 110, switch contact mechanism 130 and disc insulator 150.The action of described operating mechanism is passed to described switch contact mechanism 130 by described power drive mechanism 110, and the combined floodgate of described switch contact mechanism 130 and separating brake make the major loop of described three station isolation grounding switchs 100 be in isolation, disconnect and ground connection three kinds of operating states.
The kinematic link that described operating mechanism comprises switch insulation main shaft, transmission crank arm and is connected with described transmission crank arm.The stub end of described transmission crank arm is fixed on described switch insulation main shaft, and the little head end of described transmission crank arm can rotate under the drive of power, and gives described power drive mechanism 110 by described kinematic link by transmission of power.
Described power drive mechanism 110 comprises gear box 112, insulation dwang 114, second gear shaft 116 and the second bearing 117 coordinated with described second gear shaft 116 and tooth bar 118.Described gear box 112 comprise the housing 1122 of tool receiving space, the main shaft (not shown) be connected with described kinematic link be contained in described housing 1122, the sector shaft 1124 coordinated with described main shaft, with the first gear shaft 1126 of described sector shaft 1124 engagement fit and the clutch shaft bearing (not shown) that coordinates with described first gear shaft 1126.Described clutch shaft bearing and the second bearing 117 are rolling bearing.Described insulation dwang 114 two ends connect described first gear shaft 1126 and described second gear shaft 116 respectively.Described second gear shaft 116 is connected with described tooth bar 118.After described operating mechanism receives operational order, described transmission crank arm rotates, driven the sector shaft 1124 on the main shaft of described gear box 112 to rotate by described kinematic link, described sector shaft 1124 drives described first gear shaft 1126 to rotate, described first gear shaft 1126 drives described insulation trace 114 to rotate, described insulation dwang 114 drives described second gear shaft 116 to rotate, described second gear shaft 116 drives described tooth bar 118 to move, and the transmission of described tooth bar 118 drives the moving contact in described switch contact mechanism 130 to move.
Described switch contact mechanism 130 comprises Interposer contact 131, be divided into described Interposer contact 131 two ends and with described Interposer contact 131 spaced isolation fixed contact 133 and grounding static contact 134, the isolation moving contact 136 be equipped with described Interposer contact 131 and described isolation fixed contact 133 and the ground connection moving contact 137 be equipped with described Interposer contact 131 and described grounding static contact 134.Described isolation moving contact 136 is all connected with described tooth bar 118 with described ground connection moving contact 137.Described Interposer contact 131, described isolation fixed contact 133, described grounding static contact 134, described isolation moving contact 136 and described ground connection moving contact 137 are positioned at same plane.Described isolation moving contact 136 and described ground connection moving contact 137 respectively straight line insert described isolation fixed contact 133 and described grounding static contact 134, and resistance is little, are easy to aim at, not easily clamping stagnation, convenient for maintaining.Wherein, described isolation fixed contact 133 and described grounding static contact 134 are spring touch finger, can not increase by volume, thus avoid three station volumes to increase because of the increase of electric current, make described three station isolation grounding switchs 100 be suitable for big current field and use.
Described switch contact mechanism 130 is also included in the radome 139 that described Interposer contact 131 is arranged near the end of described isolation fixed contact 133.The design of described radome 139 can make electric fields uniform distribute, and reduces its impact on leading electricity.
Described disc insulator 150 is for supporting described Interposer contact 131, and it is located at the below of described Interposer contact 131, adopts be threaded with described Interposer contact 131.Described disc insulator 150 adopts casting forming, has the advantage of supporting & stablizing, good seal performance.
The utility model is rotated by described transmission crank arm and makes described three station isolation grounding switchs 100 can be in isolation respectively to close a floodgate and the position of ground connection separating brake, isolation separating brake and the position of ground connection separating brake and an isolation separating brake and the position of contact of earth, and namely the major loop of described three station isolation grounding switchs 100 is in isolation, disconnection and ground connection three kinds of operating states.
Also again Fig. 1 is consulted please refer to Fig. 2 and Fig. 3, wherein, Fig. 2 is the generalized section that three station isolation grounding switchs that the utility model provides are in separating brake service position, and Fig. 3 is the generalized section that three station isolation grounding switchs that the utility model provides are in ground connection service position.
The major loop of described three station isolation grounding switchs 100 is in isolation, disconnect and ground connection three kinds of operating states specific as follows:
When described three station isolation grounding switchs 100 are in isolation service position, namely isolation is closed a floodgate and ground connection separating brake, and described isolation moving contact 136 is located in described isolation fixed contact 133, and described ground connection moving contact 137 is contained in described Interposer contact 131.
When described three station isolation grounding switchs 100 are in open position, namely isolate separating brake and the position of ground connection separating brake time, described isolation moving contact 136 is contained in described radome 139, and described ground connection moving contact 137 is contained in described Interposer contact 131.
When described three station isolation grounding switchs 100 are in ground connection service position, namely isolate separating brake and contact of earth, described isolation moving contact 136 is contained in described radome 139, and described ground connection moving contact 137 is located in described grounding static contact 134.
Described three station isolation grounding switchs 100 that the utility model provides have following beneficial effect:
One, the utility model rotarily drives kinematic link by transmission crank arm, described kinematic link makes described three station isolation grounding switchs 100 realize isolation by described power drive mechanism 110, disconnect and ground connection three kinds of operating states, namely isolation is closed a floodgate and ground connection separating brake, isolation separating brake and ground connection separating brake and isolation separating brake and three of contact of earth kinds of states, described power drive mechanism 110 comprises and to be connected successively and by the main shaft of the transferring power that is connected, sector shaft 1124, first gear shaft 1126, insulating driving rod 114, second gear shaft 116 and tooth bar 118, stable transmission and transmission is effective.
Two, when described three station isolation grounding switchs 100 are installed and the angle of horizontal plane between 20 degree to 40 degree, make installing space size needed for described three station isolation grounding switchs 100 little.
Three, described isolation moving contact 136 and described ground connection moving contact 137 respectively straight line insert described isolation fixed contact 133 and described grounding static contact 134, resistance is little, be easy to aim at, not easily clamping stagnation, convenient for maintaining.
Four, by arranging radome 139 at described Interposer contact 131 near the end of described isolation fixed contact 133, electric fields uniform being distributed, reducing its impact on leading electricity.
Five, described Interposer contact 131 is supported by disc insulator 150, supporting & stablizing, good seal performance.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. three station isolation grounding switchs, is characterized in that, comprise connect successively operating mechanism, power drive mechanism and switch contact mechanism, wherein,
The kinematic link that described operating mechanism comprises transmission crank arm and is connected with described transmission crank arm;
Described power drive mechanism comprises gear box, insulation dwang, the second gear shaft and tooth bar, described gear box comprises the main shaft be connected with described kinematic link, the sector shaft coordinated with described main shaft and the first gear shaft with described sector shaft engagement fit, described insulation dwang two ends connect described first gear shaft and described second gear shaft respectively, and described second gear shaft and described tooth bar are connected;
Described switch contact mechanism comprises Interposer contact, be divided into described Interposer contact two ends and with described Interposer contact spaced isolation fixed contact and grounding static contact, the isolation moving contact be equipped with described Interposer contact and described isolation fixed contact and the ground connection moving contact be equipped with described Interposer contact and described grounding static contact, described isolation moving contact is all connected with described tooth bar with described ground connection moving contact.
2. three station isolation grounding switchs according to claim 1, is characterized in that, described Interposer contact, described isolation fixed contact, described grounding static contact, described isolation moving contact and described ground connection moving contact are all located at same plane.
3. three station isolation grounding switchs according to claim 1, is characterized in that, also comprise radome, and the end of described Interposer contact near described isolation fixed contact be located at by described radome.
4. three station isolation grounding switchs according to claim 1, is characterized in that, described isolation fixed contact and described grounding static contact are spring touch finger.
5. three station isolation grounding switchs according to claim 3, it is characterized in that, described transmission crank arm rotates and makes described three station isolation grounding switchs have an isolation to close a floodgate and the position of ground connection separating brake, an isolation separating brake and the position of ground connection separating brake and an isolation separating brake and the position of contact of earth.
6. three station isolation grounding switchs according to claim 5, it is characterized in that, described three station isolation grounding switchs be in described isolation close a floodgate and the position of ground connection separating brake time, described isolation moving contact is located in described isolation fixed contact, and described ground connection moving contact is contained in described Interposer contact.
7. three station isolation grounding switchs according to claim 5, it is characterized in that, described three station isolation grounding switchs be in described isolation separating brake and the position of ground connection separating brake time, described isolation moving contact is contained in described radome, and described ground connection moving contact is contained in described Interposer contact.
8. three station isolation grounding switchs according to claim 5, it is characterized in that, described three station isolation grounding switchs be in isolation separating brake and the position of contact of earth time, described isolation moving contact is contained in described radome, and described ground connection moving contact is located in described grounding static contact.
9. three station isolation grounding switchs according to claim 1, is characterized in that, also comprise disc insulator, and described Interposer contact is located on described disc insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936779.8U CN205230913U (en) | 2015-11-23 | 2015-11-23 | Three -position isolation grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936779.8U CN205230913U (en) | 2015-11-23 | 2015-11-23 | Three -position isolation grounding switch |
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| Publication Number | Publication Date |
|---|---|
| CN205230913U true CN205230913U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520936779.8U Expired - Fee Related CN205230913U (en) | 2015-11-23 | 2015-11-23 | Three -position isolation grounding switch |
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| CN (1) | CN205230913U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240519A (en) * | 2017-08-01 | 2017-10-10 | 青岛特锐德电气股份有限公司 | A kind of tri-station isolating switch |
| CN107728019A (en) * | 2017-09-27 | 2018-02-23 | 湖南长高电气有限公司 | A kind of GIS pressure test frocks |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
| CN111710552A (en) * | 2020-05-14 | 2020-09-25 | 河南平高电气股份有限公司 | Moving contact substrate and three-station isolation grounding switch |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
-
2015
- 2015-11-23 CN CN201520936779.8U patent/CN205230913U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240519A (en) * | 2017-08-01 | 2017-10-10 | 青岛特锐德电气股份有限公司 | A kind of tri-station isolating switch |
| CN107240519B (en) * | 2017-08-01 | 2019-05-21 | 青岛特锐德电气股份有限公司 | A kind of tri-station isolating switch |
| CN107728019A (en) * | 2017-09-27 | 2018-02-23 | 湖南长高电气有限公司 | A kind of GIS pressure test frocks |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
| CN111710552A (en) * | 2020-05-14 | 2020-09-25 | 河南平高电气股份有限公司 | Moving contact substrate and three-station isolation grounding switch |
| WO2021227487A1 (en) * | 2020-05-14 | 2021-11-18 | 河南平高电气股份有限公司 | Moving contact base body, and three-station isolation grounding switch |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112038156B (en) * | 2020-06-22 | 2023-02-17 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
| CN113035627B (en) * | 2021-03-29 | 2023-12-29 | 山东泰开电力开关有限公司 | Single-body split-box type linear three-position switch structure and use method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191123 |