CN205487900U - Isolator formula fuse - Google Patents
Isolator formula fuse Download PDFInfo
- Publication number
- CN205487900U CN205487900U CN201620144834.4U CN201620144834U CN205487900U CN 205487900 U CN205487900 U CN 205487900U CN 201620144834 U CN201620144834 U CN 201620144834U CN 205487900 U CN205487900 U CN 205487900U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- fagging
- fuse
- succession
- insulation board
- 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
Abstract
The utility model relates to an isolator formula fuse, its technical scheme is: the upper and lower both ends of insulator are respectively through the first fagging of bolted connection and second fagging, and the centre of insulator is through fixing the connection cross arm of winning in succession, fixed winning in succession on be equipped with two screws, fixed win in succession through V type bolted connection on the cross arm, the static contact is connected respectively to the end of first fagging and second fagging, connecting hooks on the second fagging passes through hanging scroll connection insulation board on the couple, the both ends of insulation board be equipped with first moving contact and second moving contact, install the fuse between first moving contact and the second moving contact, the fuse is installed in arc -distinguishing tube, connects the divide -shut brake pull ring on the first moving contact, the lower part of insulation board is equipped with the dismouting pendant, the beneficial effects of the utility model are that: have the circuit short circuit, overflow, the overload protection function, when breaking down, before the tripping operation of circuit head end circuit ware, fusing of metal dwindles the power failure scope, is convenient for look for the fault point.
Description
Technical field
This utility model relates to the places such as a kind of substation exit, high and low pressure power network line, user transformers; maximum feature had both had loop short circuit, had crossed the protective effects such as stream; have again and can form circuit obvious cut-off point function; flexible for installation; can arbitrarily adjust installation site, particularly to a kind of disconnecting switch formula fuse.
Background technology
The high-tension fuse that circuit, distribution transformer etc. use the most both at home and abroad all uses high voltage link；On high voltage link, duckbilled uses spring leaf to contact with crane pipe, and the upper cap of crane pipe is pinnacle cylinder, so its contact is point cantact, contact area is little, and contact resistance is big.Often crane fuse failure or metal cap melting welding is made not to come off because of heating；After running certain time, spring leaf is weak causes crane pipe Automatic-falling, causes unnecessary power outage or phase-deficient operation.On the downside of high voltage link, pedestal is only tangled the rotating shaft of crane pipe by hook, and contact area is little, often the heating burnout crane because contact resistance is big.Additionally use a common screw to fix, be not only in operation and easily cause dislocation so that alternate safe distance reduces.
The disconnecting switch used the most both at home and abroad manually can only be drawn in the case of zero load electric current and short-circuit current, closing operation; and do not possess the defencive function of the faults such as short circuit, excessively stream, overload; when breaking down or be abnormal; chopper interrupting short circuit and the load current being installed on circuit head end can only be used; often as a certain user breaks down and causes whole piece line tripping, power failure range is caused to expand, to search trouble point loaded down with trivial details and waste time and energy.The moving contact of disconnecting link can not be taken off by the disconnecting switch in the most currently used, and when interruption maintenance, the personnel that easily cause close disconnecting link by mistake, cause personnel, equipment breakdown.
The most domestic disconnecting switch of use, the fixed forms of high voltage link such as substation line outlet, high-low pressure power network line, user of being installed on is all to stay one or two screw the most in advance, due to the screwhole position disunity of cross-arm during in-site installation, scene is often caused to install, needs carry out changing hole, and use a screw to be fixed, often make disconnecting link install insecure, often occur that disconnecting switch positioning causes the phenomenons such as too small, the operation inconvenience of alternate safe distance；Install on the bar of both the above equipment and upper and lower two spanners all must be used to be fastened and fixed screw, need two people to coordinate and install, not only extend set-up time and emergency repair time, also add man power and material.
Owing to above disconnecting switch exists without short circuit, crosses stream, overload protection function；There is easy heating burnout in high voltage link, comes off or the shortcoming such as welding.And due to the restriction of cross-arm width, screw insecure, installation fee is installed time, operate laborious deficiency, special make disconnecting switch formula fuse, effectively corrected above deficiency and shortcoming.
Summary of the invention
The purpose of this utility model is aiming at the drawbacks described above that prior art exists; a kind of disconnecting switch formula fuse is provided; firmly install, drawing flexible, opening locking, dismounting is simple, change that fuse is simple, have short-circuit protection and make circuit have the effect of obvious cut-off point.
nullIts technical scheme is: include hook、Hanging scroll、First fagging、Second fagging、Fuse、Expulsion tube、Insulation board、Dismounting suspension member、Divide-shut brake draw ring、Static contact、First moving contact、Second moving contact、Insulator、V-type bolt、Fix and win in succession、Cross-arm，The two ends up and down of insulator are bolted the first fagging and the second fagging respectively，The centre of insulator is by fixing connection cross-arm of winning in succession，Described fixing winning in succession is provided with two screws，Fixing winning in succession is bolted on cross-arm by V-type，The end of the first fagging and the second fagging connects static contact respectively，Coupling hook on second fagging，Insulation board is connected by hanging scroll on Gua Gou，The two ends of described insulation board are provided with the first moving contact and the second moving contact，Between first moving contact and the second moving contact, fuse is installed，Fuse is installed in expulsion tube，Connecting dividing lock draw ring on first moving contact，The bottom of insulation board is provided with dismounting suspension member.
Described V-type bolt includes head rod, the second connecting rod, one end of head rod and the second connecting rod is Guan Bi end, head rod, the other end of the second connecting rod are opening, head rod, the Guan Bi end of the second connecting rod are provided with 45 degree of angles, and head rod, the opening of the second connecting rod are provided with stud.
The first above-mentioned moving contact and the second moving contact use link rod support dismounting suspension member to make the hanging scroll of disconnecting link be loaded in hook.
The beneficial effects of the utility model are: have line short, cross stream, overload protection function, when breaking down, before circuit head end circuit device trips, and blown fuse, reduce power failure range, it is simple to search trouble point；Next solves owing to the restriction of cross-arm width, screw causes knife switch contact to install shortcoming insecure, that waste time and energy, increase contact area, decrease contact resistance, stop fever phenomenon, and there is plug-in strip and take off function, the plug-in strip making disconnecting switch formula fuse is in use unlikely and comes off, and changes the fuse safety on plug-in strip, simple and flexible, and extinguishing arc waits rapidly beneficial effect.Fixing owing to using " V " type bolt to install, make that in-site installation is efficient and convenient, shorten the set-up time, the personnel that save put into, and shorten the construction period；Disconnecting switch formula fuse can be applicable to the outdoor any power circuit of below 35kV, substation exit circuit, it is possible to as getting in touch with disconnecting link and being applied on the upside of distribution transformer replace high voltage link to use.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the structural representation of V-type bolt；
In upper figure: hook 1, hanging scroll the 2, first fagging the 3, second fagging 4, fuse 5, expulsion tube 6, insulation board 7, dismounting suspension member 8, divide-shut brake draw ring 9, static contact the 10, first moving contact the 11, second moving contact 12, insulator 13, V-type bolt 14, fixing win 15 in succession, cross-arm 16；First connects ring 14.1, second connects ring 14.2, stud 14.3.
Detailed description of the invention
In conjunction with accompanying drawing 1-2, the utility model will be further described:
nullThis utility model includes linking up with 1、Hanging scroll 2、First fagging 3、Second fagging 4、Fuse 5、Expulsion tube 6、Insulation board 7、Dismounting suspension member 8、Divide-shut brake draw ring 9、Static contact 10、First moving contact 11、Second moving contact 12、Insulator 13、V-type bolt 14、Fixing win 15 in succession、Cross-arm 16，The two ends up and down of insulator 13 are bolted the first fagging 3 and the second fagging 4 respectively，The centre of insulator 13 is by fixing 15 connection cross-arms 16 of winning in succession，Described fixing winning in succession 15 is provided with two screws，Fixing winning in succession 15 is connected on cross-arm 16 by V-type bolt 14，The end of the first fagging 3 and the second fagging 4 connects static contact 10 respectively，Coupling hook 1 on second fagging 4，Insulation board 7 is connected by hanging scroll 2 on hook 1，The two ends of described insulation board 7 are provided with the first moving contact 11 and the second moving contact 12，Between first moving contact 11 and the second moving contact 12, fuse 5 is installed，Fuse 5 is installed in expulsion tube 6，Connecting dividing lock draw ring 9 on first moving contact 11，，The bottom of insulation board 7 is provided with dismounting suspension member 8.
Wherein, described V-type bolt 14 includes head rod the 14.1, second connecting rod 14.2, one end of head rod 14.1 and the second connecting rod 14.2 is Guan Bi end, the other end of head rod the 14.1, second connecting rod 14.2 is opening, the Guan Bi end of head rod the 14.1, second connecting rod 14.2 is provided with 45 degree of included angle A, and the opening of head rod the 14.1, second connecting rod 14.2 is provided with stud 14.3.
Wherein, the first moving contact 11 and the second moving contact 12 use link rod support dismounting suspension member 8 to make the hanging scroll 2 of disconnecting link be loaded in hook 1.
Wherein, device hanging scroll 2, fuse 5, expulsion tube 6, insulation board 7, dismounting suspension member 8, divide-shut brake the 9, first moving contact 11 and the second moving contact 12 being installed on one is collectively referred to as plug-in strip.
Using method:
1, disconnecting switch formula fuse in-site installation
Use V-type bolt 14, the disconnecting switch formula fuse of design is fixed on circuit cross-arm；Owing to using V-type bolt 14 to fix disconnecting switch formula fuse, it is only necessary to a people, once equipment can be fastened by spanner, and traditional screw fixing needs two people use upper and lower two spanners to cooperate and could be fastened.Additionally avoid and cause fixing unstable problem because of cross-arm only one of which fixing threaded hole, and when having stopped in-site installation because of screw not loaded down with trivial details in requisition for on-the-spot perforating, saved the set-up time.Use V-type bolt arbitrarily to adjust and each be isolated switching fuse position on cross-arm and fixing without carrying out punching, owing to the first fagging 3 on the upside of insulator 13 is longer than the second fagging 4 of downside；Disconnecting switch formula fuse is made to have a downward angle of inclination, it is simple to use link rod to draw, close disconnecting switch formula fuse；Winning plug-in strip, change fuse 5, link rod is also referred to as brake pull-rod or insulating bar.
2, the use of disconnecting switch formula fuse
After this utility model device is fixedly installed in circuit cross-arm, link rod is used to withstand the mounting suspension member 8 of plug-in strip, the hanging scroll 2 of plug-in strip is put into the hook 1 of disconnecting link of the present invention, then link rod is used to withstand the first moving contact 11 of disconnecting link, by it together in the static contact 10 of disconnecting link, owing to the plug-in strip of disconnecting switch formula fuse being provided with the fuse 5 being loaded in expulsion tube 6；When circuit breaks down, after fuse 5 fusing；Expulsion tube 6 is rotated down due to deadweight, thus plays the important function of protection equipment.
Remove or change fuse: pull down in crane caput is inserted divide-shut brake draw ring 9；The plug-in strip of disconnecting switch formula fuse departs from static contact 10 under the effect of pulling force, is pulled open by disconnecting switch formula fuse；Form an obvious cut-off point.Then upwards exert oneself in crane caput is inserted the dismounting suspension member 8 of apparatus of the present invention, plug-in strip is pulled down；After changing the fuse 5 in expulsion tube 6, then link rod is used to be installed on disconnecting link plug-in strip.
The above, be only preferred embodiment of the present utility model, and this utility model is all revised possibly also with the technical scheme of above-mentioned elaboration or is revised as the technical scheme of equivalent by any those of ordinary skill in the art.Therefore, any simple modification carried out according to the technical solution of the utility model or substitute equivalents, belong to the greatest extent the scope that this utility model is claimed.
Claims (3)
- null1. a disconnecting switch formula fuse，It is characterized in that: include linking up with (1)、Hanging scroll (2)、First fagging (3)、Second fagging (4)、Fuse (5)、Expulsion tube (6)、Insulation board (7)、Dismounting suspension member (8)、Divide-shut brake draw ring (9)、Static contact (10)、First moving contact (11)、Second moving contact (12)、Insulator (13)、V-type bolt (14)、Fix and win (15) in succession、Cross-arm (16)，The two ends up and down of insulator (13) are bolted the first fagging (3) and the second fagging (4) respectively，The centre of insulator (13) connects cross-arm (16) by fixing win in succession (15)，Described fixing win in succession (15) are provided with two screws，Fixing win in succession (15) are connected on cross-arm (16) by V-type bolt (14)，The end of the first fagging (3) and the second fagging (4) connects static contact (10) respectively，The upper coupling hook (1) of second fagging (4)，Insulation board (7) is connected by hanging scroll (2) on hook (1)，The two ends of described insulation board (7) are provided with the first moving contact (11) and the second moving contact (12)，Fuse (5) is installed between the first moving contact (11) and the second moving contact (12)，Fuse (5) is installed in expulsion tube (6)，Upper connecting dividing lock draw ring (9) of first moving contact (11)，The bottom of insulation board (7) is provided with dismounting suspension member (8).
- Disconnecting switch formula fuse the most according to claim 1, it is characterized in that: described V-type bolt (14) includes head rod (14.1), the second connecting rod (14.2), one end of head rod (14.1) and the second connecting rod (14.2) is Guan Bi end, head rod (14.1), the other end of the second connecting rod (14.2) are opening, head rod (14.1), the Guan Bi end of the second connecting rod (14.2) are provided with 45 degree of angles (A), and head rod (14.1), the opening of the second connecting rod (14.2) are provided with stud.
- Disconnecting switch formula fuse the most according to claim 1, is characterized in that: described the first moving contact (11) and the second moving contact (12) use link rod support dismounting suspension member (8) to make the hanging scroll (2) of disconnecting link be loaded in hook (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144834.4U CN205487900U (en) | 2016-02-26 | 2016-02-26 | Isolator formula fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144834.4U CN205487900U (en) | 2016-02-26 | 2016-02-26 | Isolator formula fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487900U true CN205487900U (en) | 2016-08-17 |
Family
ID=56679206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144834.4U Expired - Fee Related CN205487900U (en) | 2016-02-26 | 2016-02-26 | Isolator formula fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117154A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Integrated bipolar high-voltage isolation switch |
| CN112599378A (en) * | 2020-12-16 | 2021-04-02 | 杭州电力设备制造有限公司 | Indoor isolating switch with insulating partition plate |
-
2016
- 2016-02-26 CN CN201620144834.4U patent/CN205487900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117154A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Integrated bipolar high-voltage isolation switch |
| CN112599378A (en) * | 2020-12-16 | 2021-04-02 | 杭州电力设备制造有限公司 | Indoor isolating switch with insulating partition plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205487900U (en) | Isolator formula fuse | |
| CN201845734U (en) | Novel dropping type fuse | |
| CN203055840U (en) | High pressure fuse | |
| CN208400801U (en) | A kind of outdoor high-voltage drop type fuse | |
| CN105140878B (en) | High voltage drop-out type fuse cutout overcurrent switching protection | |
| CN205488020U (en) | Novel outdoor drop out fuse | |
| CN205508693U (en) | Isolating switch | |
| CN208751732U (en) | A kind of system for monitoring temperature of high voltage equipment | |
| CN201838977U (en) | Neutral line burn-out prevention automatic protection device of low-voltage distribution network | |
| CN206040588U (en) | Preventing arc isolator formula fuse | |
| CN206931526U (en) | A kind of Standard type intelligent vacuum circuit breaker | |
| CN106486327A (en) | Outlet fuse switch and blowout method | |
| CN210838888U (en) | Support equipment for preventing interphase short circuit of overhead bare conductor | |
| CN206210733U (en) | A kind of preventing arc switch fuse | |
| CN206758336U (en) | Vacuum fusion tube isolation switch | |
| CN205911252U (en) | Circuit breaker that uses in outdoor circuit | |
| CN210928099U (en) | Special illumination lamps and lanterns of mill | |
| CN208385297U (en) | A kind of vacuum circuit breaker | |
| CN216562994U (en) | Protective fast fuse for high-voltage line | |
| CN204303743U (en) | On-load switch fuse combined electric apparatus overcurrent tripping mechanical device | |
| CN212485271U (en) | Novel high-voltage fuse | |
| CN210956555U (en) | Novel electric loop thermal relay reset circuit | |
| CN204130426U (en) | Current transformer ratio switching device shifter in a kind of primary cut-out | |
| CN203761019U (en) | Rapid current-limiting fuse of offshore platform electrical network | |
| CN214672351U (en) | Improved pole-mounted isolating switch easy to be looped |
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 |
Granted publication date: 20160817 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |