CN2720616Y - Emergency connection device of drop-type fuse - Google Patents
Emergency connection device of drop-type fuse Download PDFInfo
- Publication number
- CN2720616Y CN2720616Y CN 200420078617 CN200420078617U CN2720616Y CN 2720616 Y CN2720616 Y CN 2720616Y CN 200420078617 CN200420078617 CN 200420078617 CN 200420078617 U CN200420078617 U CN 200420078617U CN 2720616 Y CN2720616 Y CN 2720616Y
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- CN
- China
- Prior art keywords
- conducting strip
- elastic conducting
- fuse
- insulator
- drop
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an emergency connection device of drop-type fuse, comprising an elastic conducting strip. One side of the elastic conducting strip is connected on the moving contact terminal on a fuse tube through a fastener, and the other side of the elastic conducting strip can be clamped in a static contact terminal on an insulator by pushing up the fuse tube. The emergency connection device of drop-type fuse which has compact structure and safe running can realize the reliable connection between the elastic conducting strip and the static contact terminal on the insulator; on one hand, power supply can be recovered in time, and on the other hand, the equipment can be guaranteed to run reliably for some time till the replacement by live line work or combining line outage construction. In the meanwhile, distribution transformer still can be protected by fuse, so that the time and range of power outage can be reduced, and the power supply reliability and working efficiency can be improved.
Description
Technical field
The utility model relates to a kind of fuse switch, especially relates to a kind of emergent jockey of fuse switch.
Background technology
RW-7 type fuse switch is present domestic each electric company widely used distribution transformer high-pressure side protective device.Mainly by the upper and lower fixed contact that is connected the insulator upper/lower terminal be connected the upper and lower moving contact of cartridge fuse upper/lower terminal and be through in the cartridge fuse and the fuse that is connected on its upper and lower moving contact constitutes; the upper and lower moving contact of cartridge fuse is connected respectively with the upper and lower fixed contact of insulator; fuse failure in cartridge fuse falls cartridge fuse, realizes the distribution transformer high-pressure side is protected.But because the structural defective of RW-7 type fuse switch, when causing the fuse construction and installation, not in place because of debugging, cause loose contact between the last moving contact of the upper static contact of insulator and cartridge fuse, after operation a period of time, the gap because of forming between the dynamic and static contact has caused electric discharge phenomena, the electric arc of being produced burns out the copper contact blade on the moving contact on the cartridge fuse again, makes circuit interruption.Because the upper static contact of insulator is directly to link to each other with the 10kV circuit, in case this type of fault takes place, brings very big difficulty to breakdown repair.For guaranteeing the electricity consumption of fault point resident, enterprise, the repairing personnel need adopt the mode of live line working to change fuse switch, but a considerable amount of areas do not possess aerial lift device with insulated arm live line working condition at present, perhaps can't carry out live line working immediately and changed owing to reasons such as weathers, so just can only enlarge the power failure scope, the inactive line block switch is implemented the power failure operation, and therefore this fault has become influence further to improve one of factor of distribution power supply reliability.
Summary of the invention
The purpose of this utility model provides and a kind ofly can install an elastic conducting strip easily additional on moving contact on the cartridge fuse, elastic conducting strip is connected, the emergent jockey of the fuse switch that can in time restore electricity with the upper static contact of insulator.
The utility model is that the technical scheme that achieves the above object is: a kind of emergent jockey of fuse switch, comprise elastic conducting strip, one side of described elastic conducting strip is connected on the last moving contact of cartridge fuse by securing member, push to cartridge fuse, the opposite side flexible clamping of elastic conducting strip is in the upper static contact of insulator.
After the utility model adopts technique scheme, utilize existing RW-7 type fuse switch as the basis, be directly installed on elastic conducting strip on the last moving contact of cartridge fuse by original securing member, simple for structure, make elastic conducting strip and upper static contact realize being connected reliably, security of operation, because on the insulator, following fixed contact is by the fuse conducting, can carry out interim emergency processing to the fuse switch fault, in time restore electricity on the one hand, after can guaranteeing equipment reliability service a period of time on the other hand, until utilizing live line working or combined circuit power cut construction to be changed processing.During this period, still can utilize fuse that distribution transforming is protected, reduce interruption duration and power failure scope, improve power supply reliability and operating efficiency by elastic conducting strip.The utility model utilizes original securing member elastic conducting strip to be directly installed on the last moving contact of cartridge fuse, and its structure small volume and less weight is quick for installation, easy to operate, need not special instrument, strong operability, and manufacturing cost is relatively low simultaneously.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of looking up of Fig. 1.
Fig. 3 is that the utility model is installed in the structural representation on the fuse switch.
Embodiment
See the emergent jockey of the fuse switch shown in Fig. 1-3, comprise elastic conducting strip 3, this elastic conducting strip 3 is by coupling part 3-3, crooked strain part 3-2 and " " type overall structure that shackle portion 3-1 constitutes of protracting, the coupling part 3-3 of elastic conducting strip 3 is provided with through hole 3-4, securing member 5 is connected elastic conducting strip 3 on the last moving contact 6 of cartridge fuse 7, fuse 8 is through in the cartridge fuse 7, its two ends are connected on the last moving contact 6 and lower moving contact of cartridge fuse 7, when cartridge fuse 7 is pushed to, " " type of elastic conducting strip 3 protract shackle portion 3-1 then flexible clamping in the upper static contact 2 of insulator 1.
Be connected power for making elastic conducting strip 3 have reliable elasticity, between the coupling part of elastic conducting strip 3 3-3 and strain part 3-2, spring 4 be housed also with the upper static contact 2 of insulator 1.For quickly and easily spring 4 being connected on the elastic conducting strip 3, see shown in Figure 2,3-3 has notch 3-5 in the coupling part of elastic conducting strip 3, one end of spring 4 is connected in the notch 3-5, and be crimped between the coupling part 3-3 of the last moving contact 6 of cartridge fuse 7 and elastic conducting strip 3, spring 4 is connected on the elastic conducting strip 3.Spring 4 of the present utility model also can adopt an end to have path, and securing member 5 even is through on the spring 4, an end of spring 4 is connected the coupling part 3-3 of elastic conducting strip 3.
Claims (4)
1, a kind of emergent jockey of fuse switch, it is characterized in that: comprise elastic conducting strip (3), one side of described elastic conducting strip (3) is connected on the last moving contact (6) of cartridge fuse (7) by securing member (5), push to cartridge fuse (7), the opposite side flexible clamping of elastic conducting strip (3) is in the upper static contact (2) of insulator (1).
2, the emergent jockey of fuse switch according to claim 1, it is characterized in that: described elastic conducting strip (3) is made of the shackle portion of protracting (3-1) of strain part (3-2) and " " type of coupling part (3-3), bending, between coupling part of elastic conducting strip (3) (3-3) and strain part (3-2) spring (4) is housed also.
3, the emergent jockey of fuse switch according to claim 2, it is characterized in that: the coupling part (3-3) of described elastic conducting strip (3) has notch (3-5), and an end of spring (4) is connected in the notch (3-5) and is crimped between the last moving contact (6) and coupling part (3-3) of cartridge fuse (7).
4, the emergent jockey of fuse switch according to claim 2 is characterized in that: described spring (4) one ends have path, and are connected by securing member (5) on the coupling part (3-3) of elastic conducting strip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078617 CN2720616Y (en) | 2004-08-10 | 2004-08-10 | Emergency connection device of drop-type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078617 CN2720616Y (en) | 2004-08-10 | 2004-08-10 | Emergency connection device of drop-type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720616Y true CN2720616Y (en) | 2005-08-24 |
Family
ID=35009571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420078617 Expired - Fee Related CN2720616Y (en) | 2004-08-10 | 2004-08-10 | Emergency connection device of drop-type fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720616Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683132A (en) * | 2012-05-17 | 2012-09-19 | 山东电力集团公司枣庄供电公司 | Emergency fuse tube for drop-out fuse |
| CN105826144A (en) * | 2016-04-20 | 2016-08-03 | 国家电网公司 | Duckbilled drop type fuse fault emergency processing device |
-
2004
- 2004-08-10 CN CN 200420078617 patent/CN2720616Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683132A (en) * | 2012-05-17 | 2012-09-19 | 山东电力集团公司枣庄供电公司 | Emergency fuse tube for drop-out fuse |
| CN105826144A (en) * | 2016-04-20 | 2016-08-03 | 国家电网公司 | Duckbilled drop type fuse fault emergency processing device |
| CN105826144B (en) * | 2016-04-20 | 2018-06-26 | 国网河北省电力有限公司石家庄供电分公司 | A kind of Duckbill type fuse switch failure emergency treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 Termination date: 20100810 |