CN205069505U - Indoor high -voltage vacuum load switch is with linkage turning arm - Google Patents
Indoor high -voltage vacuum load switch is with linkage turning arm Download PDFInfo
- Publication number
- CN205069505U CN205069505U CN201520816694.6U CN201520816694U CN205069505U CN 205069505 U CN205069505 U CN 205069505U CN 201520816694 U CN201520816694 U CN 201520816694U CN 205069505 U CN205069505 U CN 205069505U
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- load switch
- turning arm
- voltage vacuum
- indoor high
- 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
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an indoor high -voltage vacuum load switch is with linkage turning arm, high pressure load switch includes operating device, and this operating device includes dropout pull rod and tripping shaft, and its technical essential lies in the linkage turning arm includes: the turning arm body, establish near this turning arm body one end for the pull rod of will threading off is connected to the connection structure on this linkage turning arm, establish near this turning arm body other end for the turning arm that will link most likely is connected to tripping shaft the 2nd last connection structure, with the elastic deformation structure that provides the distortion allowance to the 2nd connection structure, aim at providing a stable performance, lasting durable indoor high -voltage vacuum load switch is with linkage turning arm.
Description
Technical field
The utility model relates to a kind of high voltage load switch annex, and more particularly it relates to a kind of indoor high-voltage vacuum on-load switch interlock connecting lever.
Background technology
High-voltage vacuum load switch and combined electrical apparatus; be suitable in the electric power system with three-phase alternating current 10KV, 50Hz; or with complete sets of electric switchgears and control devices equipment and loop-network switch cabinet; prefabricated substations etc. support the use; be widely used in Urban Net Construction improvement project, industrial and mining enterprises, skyscraper and communal facility etc.; can be used as ring network power supply or terminal, play power distribution, control and protection effect.
At present, be disclose a kind of indoor alternating current high voltage vacuum load switch and fuse combined electric apparatus in the Chinese utility model patent of CN201220308610.4 at application number, comprise frame, main conductive circuit, operating mechanism, curtain shaft and ground connection cutter shaft, curtain shaft connects valve through valve connecting lever, valve under the effect of valve connecting lever in and out of the vertical-fracture that fixed contact and institute conductive tube are formed, ground connection cutter shaft is provided with earthed crank arm, earthed crank arm keeps linking through ground connection connecting rod and main shaft, and curtain shaft, isolation axle and main shaft keep linking.
In prior art, operating mechanism is the vitals of indoor high-voltage vacuum on-load switch, be mainly used in all parts linked in indoor high-voltage vacuum on-load switch, interlock connecting lever is wherein responsible for the interlock between pull bar and trip shaft, one end and the pull bar of interlock connecting lever are hinged, the other end is connected with trip shaft, need torsional forces when bearing dropout, in long dropout process, connection between interlock connecting lever and trip shaft is very easy to be out of shape, and then cause tripping mechanism to lose efficacy, be one of extremely flimsy parts in whole operating mechanism.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the indoor high-voltage vacuum on-load switch interlock connecting lever providing a kind of stable performance, durable.
For achieving the above object, the utility model provides following technical scheme: a kind of indoor high-voltage vacuum on-load switch interlock connecting lever, this interlock connecting lever is arranged in high voltage load switch, described high voltage load switch comprises operating mechanism, this operating mechanism comprises dropout pull bar and trip shaft, it is characterized in that: described interlock connecting lever comprises:
Connecting lever body;
Be located near this connecting lever body one end, for dropout pull bar being connected to the first syndeton on this interlock connecting lever;
Be located near this connecting lever body other end, for this interlock connecting lever being connected to the second syndeton in described trip shaft;
With the elastic deformation structure the second syndeton being provided to distortion allowance.
Further: described first syndeton is a hinged seat be wholely set with connecting lever body.
Further: described second syndeton is the through hole vertical with the axial direction of hinged seat, this elastic deformation structure is arranged on the grooving on through hole hole wall.
Further: also to comprise and be arranged on connecting lever body, for limiting the position limiting structure of grooving maximum deformation quantity.
Further, described position limiting structure is be opened in the through hole in grooving two opposing sidewalls, and the position of above-mentioned two through holes is just right.
Compared with prior art, indoor high-voltage vacuum on-load switch interlock connecting lever in the utility model provides deformation to compensate by elastic deformation structure to the distortion that the second syndeton produces when bearing high pulling torque power, avoid the second syndeton because of the irreversible plastic deformation of stressed excessive generation, effective durability strengthening interlock connecting lever, and the ultimate deformation amount of elastic deformation structure is limited by position limiting structure, deviation causes operating mechanism to lose efficacy to avoid elastic deformation structure's excessive deformation to cause the travel position of operating mechanism to occur.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model embodiment;
Fig. 2 is the schematic perspective view of the utility model embodiment;
Fig. 3 is the cutaway view of the utility model embodiment;
Fig. 4 is the perspective view of connecting lever of linking in the utility model embodiment.
Description of reference numerals: 1, housing; 2, isolating switch; 21, static contact; 22, moving contact post; 23, insulating cover; 24, vacuum extinction device; 3, earthed switch; 31, earth clip; 32, earthing; 4, fuse clips; 5, operating mechanism; 51, dropout plate; 52, shackle rod; 53, dropout connector; 54, dropout pull bar; 55, link connecting lever; 551, the first syndeton; 552, the second syndeton; 553, elastic deformation structure; 554, position limiting structure; 56, trip shaft; 57, main shaft; 58, ground connection knife rest.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model embodiment is described further.
A kind of indoor high-voltage vacuum on-load switch interlock connecting lever 55, described high voltage load switch comprises housing 1, is fixed on the isolating switch 2 of housing 1 one end, is fixed on the earthed switch 3 of housing 1 other end and controls the operating mechanism 5 of isolating switch 2 and earthed switch 3 interlock, isolating switch 2 comprises the static contact 21 arranged ringwise and the static contact 22 be hinged on static contact 21 activity grafting on housing 1, and earthed switch 3 comprises the earth clip 31 be fixed on housing 1 and the earthing 32 be hinged on earth clip 31 activity grafting on housing 1.The side of isolating switch 2 is provided with insulating cover 23, prevents from getting an electric shock.Above insulating cover 23, be provided with the fuse clips 4 of clamping fuse, in insulating cover 23, vacuum extinction device 24 be also housed.The main purpose of high voltage load switch is to control the interlock of isolating switch 2 and earthed switch 3, and when ensureing the 2-in-1 lock of isolating switch, operating mechanism 5 effectively controls earthed switch 3 separating brake; When earthed switch 3 closes a floodgate, isolating switch 2 separating brake.
Aforesaid operations mechanism 5 comprises:
Dropout plate 51, the middle part of dropout plate 51 is hinged on housing 1, one of dropout plate 51 is rectified fuse, the other end joins the shackle rod 52 having general horizontal direction to arrange, also hinged dropout connector 53 on housing 1, this dropout connector 53 is roughly in L-type, join with housing 1 in the middle part of it, one end connection for transmission pull bar 52, the other end connects dropout pull bar 54, earth clip 31 is set between shackle rod 52 and dropout pull bar 54, mainly the horizontal direction of shackle rod 52 is moved the incline direction being converted into dropout pull bar 54 to move, target is the position abdicating earth clip 31, reduce the volume shared by described high voltage load switch,
Trip shaft 56, links with the main shaft 57 in operating mechanism 5, and above-mentioned earthing 32 is arranged on ground connection knife rest 58, this ground connection knife rest 58 is fixedly connected with main shaft 57, when main shaft 57 rotates, drive ground connection knife rest 58 to rotate, directly control earthing 32 and insert or extract earth clip 31.
Between pull bar and trip shaft 56, be connected with the move back and forth rotary motion with trip shaft 56 of connecting lever 55 for pull bar 5454 of threading off that link, described interlock connecting lever 55 comprises:
Connecting lever body;
Be located near this connecting lever body one end, for dropout pull bar 54 being connected to the first syndeton 551 on this interlock connecting lever 55, described first syndeton 551 is a hinged seat be wholely set with connecting lever body, and this hinged seat is used for hinged with the jointed shaft of pull bar end.
Be located near this connecting lever body other end, for this interlock connecting lever 55 being connected to the second syndeton 552 in described trip shaft 56;
And the second syndeton 552 is provided to the elastic deformation structure 553 of distortion allowance.Described second syndeton 552 is the through hole vertical with the axial direction of hinged seat, and this elastic deformation structure 553 is for being arranged on the grooving on through hole hole wall, and this grooving is opened in the middle part of connecting lever body, prevents the unbalanced stress born on connecting lever both sides.
Pass through said structure, even if trip shaft 56 is rotary course is squeezed frequently, wearing and tearing causes which creating distortion, still can be kept the close-fitting linked between connecting lever 55 and trip shaft 56 by above-mentioned elastic deformation structure 553, ensure the effective interlock between trip shaft 56 and dropout pull bar 54.
As improvement project, on connecting lever body, be also provided with the position limiting structure 554 for limiting grooving maximum deformation quantity.See Figure of description 3, described position limiting structure 554 is for being opened in the through hole in grooving two opposing sidewalls, the position of above-mentioned two through holes is just right, fastening by inserting bolt on position limiting structure 554, thus the ultimate deformation amount of restriction elastic deformation structure 553, deviation causes operating mechanism 5 to lose efficacy to avoid elastic deformation structure 553 excessive deformation to cause the travel position of operating mechanism 5 to occur.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. indoor high-voltage vacuum on-load switch interlock connecting lever, this interlock connecting lever is arranged in high voltage load switch, and described high voltage load switch comprises operating mechanism, and this operating mechanism comprises dropout pull bar and trip shaft, it is characterized in that: described interlock connecting lever comprises:
Connecting lever body;
Be located near this connecting lever body one end, for dropout pull bar being connected to the first syndeton on this interlock connecting lever;
Be located near this connecting lever body other end, for this interlock connecting lever being connected to the second syndeton in described trip shaft;
With the elastic deformation structure the second syndeton being provided to distortion allowance.
2. indoor high-voltage vacuum on-load switch interlock connecting lever according to claim 1, is characterized in that: described first syndeton is a hinged seat be wholely set with connecting lever body.
3. indoor high-voltage vacuum on-load switch interlock connecting lever according to claim 2, it is characterized in that: described second syndeton is the through hole vertical with the axial direction of hinged seat, this elastic deformation structure is arranged on the grooving on through hole hole wall.
4. indoor high-voltage vacuum on-load switch interlock connecting lever according to claim 3, is characterized in that: also comprise and be arranged on connecting lever body, for limiting the position limiting structure of grooving maximum deformation quantity.
5. indoor high-voltage vacuum on-load switch interlock connecting lever according to claim 4, is characterized in that: described position limiting structure is be opened in the through hole in grooving two opposing sidewalls, and the position of above-mentioned two through holes is just right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816694.6U CN205069505U (en) | 2015-10-20 | 2015-10-20 | Indoor high -voltage vacuum load switch is with linkage turning arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816694.6U CN205069505U (en) | 2015-10-20 | 2015-10-20 | Indoor high -voltage vacuum load switch is with linkage turning arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069505U true CN205069505U (en) | 2016-03-02 |
Family
ID=55396025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520816694.6U Expired - Fee Related CN205069505U (en) | 2015-10-20 | 2015-10-20 | Indoor high -voltage vacuum load switch is with linkage turning arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230577A (en) * | 2017-08-03 | 2017-10-03 | 江苏润泰电力设备有限公司 | A kind of special crank of circuit breaker |
-
2015
- 2015-10-20 CN CN201520816694.6U patent/CN205069505U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230577A (en) * | 2017-08-03 | 2017-10-03 | 江苏润泰电力设备有限公司 | A kind of special crank of circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205069505U (en) | Indoor high -voltage vacuum load switch is with linkage turning arm | |
| CN201498869U (en) | Vacuum ring main unit | |
| CN206595618U (en) | Environmentally friendly gas-insulated ring network cabinet | |
| CN107527765A (en) | There are the high voltage isolator and its switching method of ice-melt short circuit and conventional func switching | |
| CN111091998B (en) | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker | |
| CN204102789U (en) | Piston type isolating switch | |
| CN104112999B (en) | A kind of solid insulation ring main unit | |
| CN206148356U (en) | Indoor interchange vacuum load switch | |
| CN204361550U (en) | A kind of solid all-insulated switch | |
| CN204046040U (en) | A kind of outdoor pot type high-voltage combined electrical apparatus with series connection vacuum interrupter | |
| CN207602457U (en) | There is the high voltage isolator of ice-melt short circuit and conventional func switching | |
| CN203562682U (en) | Combined electrical appliance of contactor and fuse | |
| CN203674057U (en) | GW5 high-voltage isolation switch | |
| CN106531502B (en) | Dual-power transfer switch manual closing mechanism is pressed in a kind of permanent magnetism | |
| CN104143466B (en) | A kind of earthed switch assembly unit and its high-speed grounding switch | |
| CN207459488U (en) | A kind of power transformation box with shockproof function | |
| CN204857548U (en) | Fuse auxiliary earth transmission | |
| CN203134622U (en) | Load switch isolator switch locking device | |
| CN204905143U (en) | Indoor high -pressure vacuum load switch | |
| CN204946766U (en) | A kind of high-voltage switch cabinet isolation switch interlock | |
| CN204102779U (en) | With the isolating switch of wedge shape seal | |
| CN204333611U (en) | Solid insulation unit switch | |
| CN203288995U (en) | Intelligent solid insulated metal enclosed switch device | |
| CN205029237U (en) | But totally enclosed touch switch cabinet based on permanent magnet operating mechanism | |
| CN204179553U (en) | A kind of drawer type solid all-insulated switch |
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: 20160302 Termination date: 20191020 |