CN202332702U - Isolation knife device for vacuum load switch - Google Patents
Isolation knife device for vacuum load switch Download PDFInfo
- Publication number
- CN202332702U CN202332702U CN2011205090203U CN201120509020U CN202332702U CN 202332702 U CN202332702 U CN 202332702U CN 2011205090203 U CN2011205090203 U CN 2011205090203U CN 201120509020 U CN201120509020 U CN 201120509020U CN 202332702 U CN202332702 U CN 202332702U
- Authority
- CN
- China
- Prior art keywords
- isolation knife
- load switch
- vacuum load
- moving contact
- tension pole
- 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 relates to an isolation knife device for a vacuum load switch, in particular to a movable contact operation device of an isolation knife for the vacuum load switch. According to the technical scheme adopted by the utility model, the isolation knife device for the vacuum load switch comprises a movable contact, an insulating pull rod and a crank arm fixedly connected with a spindle of the isolation knife, wherein one end of the crank arm is hinged with one end of the insulating pull rod. The isolation knife device for the vacuum load switch is characterized in that the other end of the insulating pull rod is connected with the movable contact through a metal sheet; the metal sheet is fixedly connected with the movable contact; and the insulating pull rod is hinged with the metal sheet. With adoption of the technical scheme provided by the utility model, the problems existing in the prior art can be solved. The novel isolation knife device for the vacuum load switch, provided by the utility model, is reasonable in combination, is provided with the insulating pull rod hardly damaged, and has a long service life.
Description
Technical field
The utility model relates to a kind of vacuum load switch, is meant that especially vacuum load switch uses the isolation knife device.
Background technology
As everyone knows, existing vacuum load switch includes connecting lever, insulated tension pole and moving contact with the isolation knife device, and wherein connecting lever is fixedly connected with the isolation knife main shaft; One end of connecting lever and insulated tension pole is hinged, and the other end of insulated tension pole directly is hinged on the middle part of moving contact, like this when the isolation knife main shaft rotates; Connecting lever can spur insulated tension pole, thereby realizes that insulated tension pole drives moving contact and rotates, and realizes the station that breaks off and close a floodgate; The subject matter that this structure exists is: 1, insulated tension pole direct and moving contact effect through pin joint; The active force of insulated tension pole must be very big like this, and on acting on a bit, so pull bar damages easily; 2, insulated tension pole directly contacts with moving contact, and the rising of moving contact temperature influences insulated tension pole easily.
Summary of the invention
The utility model overcomes the problem that prior art exists, and provides a kind of combinations rationally, and that insulated tension pole is not allowed is flimsy, the novel vacuum load switch of long service life is with the moving contact operating means of isolation knife.
Realize above-mentioned purpose; The technical scheme that the utility model adopted is: a kind of vacuum load switch is used the isolation knife device; Include moving contact, insulated tension pole and the connecting lever that is fixedly connected with the isolation knife main shaft, an end of said connecting lever and an end of insulated tension pole are hinged, it is characterized in that: the other end of said insulated tension pole is through sheet metal and moving contact; Said sheet metal is fixedly connected with moving contact, and insulated tension pole and sheet metal are hinged.
Through adopting such scheme, can prevent effectively that the moving contact temperature raise to the influence of insulated tension pole when isolation knife from putting into operation, because the area of sheet metal is big, intensity is high, the transmission aspect of power has better effect during for the isolation knife divide-shut brake simultaneously.
The further setting of the utility model is: said sheet metal is a stainless steel substrates; Stainless steel substrates is provided with two; Its size is the same, and stainless steel substrates has a hold-down arm that width is suitable with the moving contact width, its hold-down arm middle part one side with it one be provided with projection; Said two stainless steel substrates are fixed on the both sides of moving contact respectively through hold-down arm, the projection of two stainless steel substrates and the end of insulated tension pole are hinged; Said stainless steel substrates is fixedly connected with moving contact through the bolt at hold-down arm two ends.
The purpose that further is provided with is that product is made on the basis of superior performance, and particularly the transmission aspect to power has better effect.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1; A kind of vacuum load switch is used the isolation knife device, includes moving contact 1, insulated tension pole 2 and the connecting lever 3 that is fixedly connected with isolation knife main shaft 4, and an end of said connecting lever 3 and an end of insulated tension pole 2 are hinged; Above-mentioned structure also is common on prior art; So just further do not launch in the present embodiment to have described, in the utility model embodiment, the other end of said insulated tension pole 2 is through sheet metal 5 and moving contact 1; Said sheet metal 5 is fixedly connected with moving contact 1, and insulated tension pole 2 is hinged with sheet metal 5; Through adopting such scheme, can prevent effectively that moving contact 1 temperature raise to the influence of insulated tension pole 2 when isolation knife from putting into operation, because the area of sheet metal 5 is big, intensity is high, the transmission aspect of power has better effect during for the isolation knife divide-shut brake simultaneously.
In the utility model embodiment; Said sheet metal 5 is a stainless steel substrates 5, and stainless steel substrates 5 is provided with two, and its size is the same; Stainless steel substrates 5 has a hold-down arm 51 that width is suitable with moving contact 1 width; Its hold-down arm 51 middle parts one side with it one be provided with projection 52, said stainless steel substrates 5 is fixedly connected with moving contact 1 through the bolt at hold-down arm 51 two ends, the projection 52 of two stainless steel substrates 5 and the end of insulated tension pole 2 are hinged.
Claims (3)
1. a vacuum load switch is used the isolation knife device; Include moving contact, insulated tension pole and the connecting lever that is fixedly connected with the isolation knife main shaft; One end of said connecting lever and an end of insulated tension pole are hinged; It is characterized in that: the other end of said insulated tension pole is through sheet metal and moving contact, and said sheet metal is fixedly connected with moving contact, and insulated tension pole and sheet metal are hinged.
2. vacuum load switch according to claim 1 is used the isolation knife device; It is characterized in that: said sheet metal is a stainless steel substrates, and stainless steel substrates is provided with two, and its size is the same; Stainless steel substrates has a hold-down arm that width is suitable with the moving contact width; Its hold-down arm middle part one side with it one be provided with projection, said two stainless steel substrates are fixed on the both sides of moving contact respectively through hold-down arm, the projection of two stainless steel substrates and the end of insulated tension pole are hinged.
3. vacuum load switch according to claim 2 is used the isolation knife device, it is characterized in that: said stainless steel substrates is fixedly connected with moving contact through the bolt at hold-down arm two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205090203U CN202332702U (en) | 2011-12-08 | 2011-12-08 | Isolation knife device for vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205090203U CN202332702U (en) | 2011-12-08 | 2011-12-08 | Isolation knife device for vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332702U true CN202332702U (en) | 2012-07-11 |
Family
ID=46444674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205090203U Expired - Fee Related CN202332702U (en) | 2011-12-08 | 2011-12-08 | Isolation knife device for vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252174A (en) * | 2016-08-19 | 2016-12-21 | 天津市百利电气有限公司 | Omnipotent breaker double breaking points moving contact insulated tension pole |
| CN109360765A (en) * | 2018-11-16 | 2019-02-19 | 湖北上科电气有限公司 | A kind of isolation knife device for vacuum load switch |
-
2011
- 2011-12-08 CN CN2011205090203U patent/CN202332702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252174A (en) * | 2016-08-19 | 2016-12-21 | 天津市百利电气有限公司 | Omnipotent breaker double breaking points moving contact insulated tension pole |
| CN109360765A (en) * | 2018-11-16 | 2019-02-19 | 湖北上科电气有限公司 | A kind of isolation knife device for vacuum load switch |
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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: 20120711 Termination date: 20181208 |