CN202957196U - Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker - Google Patents
Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN202957196U CN202957196U CN 201220675054 CN201220675054U CN202957196U CN 202957196 U CN202957196 U CN 202957196U CN 201220675054 CN201220675054 CN 201220675054 CN 201220675054 U CN201220675054 U CN 201220675054U CN 202957196 U CN202957196 U CN 202957196U
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- guide post
- housing
- transmission
- positioning disk
- connecting lever
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Abstract
The utility model relates to the technical field of power equipment, in particular to a three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker. The circuit breaker comprises transmission brackets, cranks arm and contactor springs. The transmission brackets are arranged in a shell. Guide sleeves are arranged at the two ends of the lower part of a frame of the shell. A guide rod penetrates through the two guide sleeves. The right end of the guide rod is connected with pull rods of arc extinction chambers. A positioning plate is in threaded connection with the guide rod. A leaf nut is arranged on the right side of the positioning plate. The contactor springs are sleeved on the guide rod, and are connected to the left side of the positioning plate. The crank arms are arranged on the left sides of the contactor springs. An adjustment device is arranged on the left side of the shell. The circuit breaker has the characteristics of rational structure, adjustable clearance of transmission devices, stable transmission of the guide rod and reliable opening and closing operation.
Description
Technical field
The utility model relates to a kind of electrical equipment technical field, specifically a kind of three-phase alternating current 50Hz outdoor high-voltage vacuum breaker.
Background technology
Three-phase alternating current 50Hz outdoor high-voltage vacuum breaker is mainly used in cut-offfing, closing load current, overload current and the short circuit current in electric power system.Be applicable to the control and protection of 35kV transmission system, also can be used for the occasion of network interconnecting circuit and folding capacitor group, be widely used.The dielectric of air as circuit breaker appearred adopting in the primary cut-out on current domestic power equipment market, there is environmentally safe, the characteristics that volume is little, but due to the reason in design, transmission device in housing also has following not enough, be connected to touch spring on transmission bracket when the arc control device separating brake, rebound effect power easily causes occurring jumping phenomena, make transmission bracket and guide post vibration, after long-term the use, the guide post serious wear, cause transmission not steady, thereby affect the reliability and stability of arc control device separating brake or feed motion; In addition, after the long-term use of transmission device, spring is aging, makes connecting lever and guide post distance excessive, and the parts such as guide post and transmission bracket coordinate and lack compactness, thereby have affected transmission efficiency.
Summary of the invention
The utility model provides a kind of rational in infrastructure in order to overcome above-mentioned defect, and the transmission device gap is adjustable, and the guide post transmission is stable, the three-phase alternating current 50Hz outdoor high-voltage vacuum breaker of divide-shut brake reliable in action.
The technical solution adopted in the utility model is: a kind of three-phase alternating current 50Hz outdoor high-voltage vacuum breaker, comprise grounded bracket, mechanism case, the three phase isolated sleeve pipe, housing, three-phase vacuum interrupter and kinematic link, mechanism case is arranged on grounded bracket, the three phase isolated sleeve pipe is evenly distributed on the top of grounded bracket, housing is horizontally installed on the top of every phase insulating sleeve and is communicated with insulating sleeve, described arc control device are horizontally set on a side of housing, described transmission device is arranged in housing, operating mechanism in mechanism case is connected with the insulated tension pole in insulating sleeve by three interlinked mechanisms, insulated tension pole is connected with the transmission device in housing, transmission device is connected with arc control device by guide post, it is characterized in that: described transmission device comprises transmission bracket, connecting lever and touch spring, transmission bracket is arranged in housing, transmission bracket is rectangular frame, be horizontally arranged with respectively the fairlead of tubular at the two ends of framework bottom, be left fairlead and right fairlead, guide post is through two fairleads, its right-hand member is connected with the pull bar of arc control device, be provided with screw thread on guide post, disk with threaded hole centered by positioning disk, positioning disk with guide post for being threaded, the right side of positioning disk is provided with sheet shape nut, on guide post, cover has touch spring, touch spring is connected to the left side of positioning disk, left side at touch spring is provided with connecting lever, connecting lever is the acute triangle platy structure, an angle of connecting lever is connected with the insulated tension pole in insulating sleeve, an angle is connected with guide post, the 3rd angle is the arc transition shape, the left end of guide post stretches out left fairlead, left side at housing is provided with adjusting device away from that side of arc control device, adjusting device comprises insulation blanket stud, insulating nut and insulated handle, be provided with screwed hole on the housing left side wall, insulation blanket stud stretches into after enclosure interior the left end that abuts against guide post by screwed hole, on the screw rod of hull outside, insulating nut is set, the outer end of insulation blanket stud is fixedly connected with insulated handle.
The utility model is provided with two fairleads on transmission bracket, guide post to horizontal operation plays guiding and positioning action, prevent that it is offset due to reasons such as vibrations or the wearing and tearing guide post when operation, guarantees guide post and pull bar stable drive, the divide-shut brake reliable in action; The utility model arranges again the positioning disk be threaded on fairlead, can regulate like this position of positioning disk on guide post, thereby regulate connecting lever to the distance between positioning disk, after long-term the use, touch spring is aging, transmission structures is loose, and when connecting lever drives the guide post transmission by touch spring and positioning disk, transmission efficiency is lower, by the fine adjustment to the positioning disk position, make connecting lever to Distance Shortened between positioning disk, improve transmission efficiency; The utility model can also arrange adjusting device in the left side of housing, and adjusting device is used for adjusting the lateral attitude of guide post, while being convenient to assemble, to the adjustment of the position of guide post, makes transmission device and guide post position more reasonable, facilitates installment and debugging.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
The right view that Fig. 2 is Fig. 1.
The A section enlarged drawing that Fig. 3 is Fig. 1.
Embodiment
Now by reference to the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprise grounded bracket, mechanism case 11, three phase isolated sleeve pipe 12, housing 4, three-phase vacuum interrupter 13 and kinematic link 14, mechanism case 11 is arranged on grounded bracket, three phase isolated sleeve pipe 12 is evenly distributed on the top of grounded bracket, housing 4 is horizontally installed on the top of every phase insulating sleeve 12 and is communicated with insulating sleeve 12, described arc control device 13 are horizontally set on a side of housing 4, described transmission device is arranged in housing 4, operating mechanism in mechanism case 11 is connected with the insulated tension pole 15 in insulating sleeve 12 by three interlinked mechanisms, insulated tension pole 15 is connected with the transmission device in housing 4, transmission device is connected with arc control device 13 by guide post 7.Described transmission device comprises transmission bracket 1, connecting lever 2 and touch spring 3, transmission bracket 1 is arranged in housing 4, transmission bracket 1 is rectangular frame, be horizontally arranged with respectively the fairlead of tubular at the two ends of framework bottom, be left fairlead 5 and right fairlead 6, guide post 7 is through two fairleads, its right-hand member is connected with the pull bar of arc control device 13, see Fig. 3, guide post 7 is matched in clearance with fairlead, be provided with screw thread on guide post 7, disk with threaded hole centered by positioning disk 9, positioning disk 9 with guide post 7 for being threaded, the right side of positioning disk 9 is provided with sheet shape nut, on guide post 7, cover has touch spring 3, touch spring 3 is connected to the left side of positioning disk 9, be provided with connecting lever 2 in the left side of touch spring 3, connecting lever is the acute triangle platy structure, an angle of connecting lever 2 is connected with the insulated tension pole 15 in insulating sleeve 12, an angle is connected with guide post 7, the 3rd angle is the arc transition shape, the left end of guide post 7 stretches out left fairlead 5, left side at housing 4 is provided with adjusting device away from that side of arc control device 13, adjusting device comprises insulation blanket stud 21, insulating nut and insulated handle 22, be provided with screwed hole on housing 4 left side walls, insulation blanket stud 21 stretches into behind housing 4 inside the left end that abuts against guide post 7 by screwed hole, on the screw rod in housing 4 outsides, insulating nut is set, the outer end of insulation blanket stud 21 is fixedly connected with insulated handle 22.
When the utility model is used, operating mechanism in opener case 11, operating mechanism assembles and drives three interlinked mechanisms by pull bar, three connect actuation mechanism moves up and down by kinematic link 14 drive insulated tension poles 15, insulated tension pole 15 drives guide post 7 by connecting lever 2 and moves horizontally, drive the moving contact action in arc control device 13 by guide post 7, thereby realize separating brake or the combined floodgate of circuit breaker.
Be provided with two fairleads on transmission bracket 1 due to the utility model, 7 guiding of guide post and positioning action to horizontal operation, prevent that it is offset due to reasons such as vibrations or wearing and tearing guide post 7 when operation, guarantees guide post 7 and pull bar stable drive, the divide-shut brake reliable in action; The utility model arranges again the positioning disk 9 be threaded on fairlead, can regulate like this position of positioning disk 9 on guide post 7, thereby regulate connecting lever 2 to the distance between positioning disk 9, because equipment is long-term, use rear touch spring 3 aging, transmission structures is loose, when connecting lever 2 drives guide post 7 transmission by touch spring 3 and positioning disk 9, transmission efficiency is lower, positioning disk 9 is regulated to certain distance left, make connecting lever 2 to Distance Shortened between positioning disk 9, improve transmission efficiency, sheet shape nut, for locking positioning dish 9, prevents that it is loosening; The utility model can also arrange adjusting device in the left side of housing 4, and adjusting device is used for adjusting the lateral attitude of guide post 7, while being convenient to assemble, to the adjustment of the position of guide post 7, makes transmission device and guide post 7 positions more reasonable, facilitates installment and debugging.
The utlity model has rational in infrastructurely, the transmission device gap is adjustable, and guide post 7 transmissions are stable, the characteristics of divide-shut brake reliable in action.
Claims (1)
1. a three-phase alternating current 50Hz outdoor high-voltage vacuum breaker, comprise grounded bracket, mechanism case, the three phase isolated sleeve pipe, housing, three-phase vacuum interrupter and kinematic link, mechanism case is arranged on grounded bracket, the three phase isolated sleeve pipe is evenly distributed on the top of grounded bracket, housing is horizontally installed on the top of every phase insulating sleeve and is communicated with insulating sleeve, described arc control device are horizontally set on a side of housing, described transmission device is arranged in housing, operating mechanism in mechanism case is connected with the insulated tension pole in insulating sleeve by three interlinked mechanisms, insulated tension pole is connected with the transmission device in housing, transmission device is connected with arc control device by guide post, it is characterized in that: described transmission device comprises transmission bracket, connecting lever and touch spring, transmission bracket is arranged in housing, transmission bracket is rectangular frame, be horizontally arranged with respectively the fairlead of tubular at the two ends of framework bottom, be left fairlead and right fairlead, guide post is through two fairleads, its right-hand member is connected with the pull bar of arc control device, be provided with screw thread on guide post, disk with threaded hole centered by positioning disk, positioning disk with guide post for being threaded, the right side of positioning disk is provided with sheet shape nut, on guide post, cover has touch spring, touch spring is connected to the left side of positioning disk, left side at touch spring is provided with connecting lever, connecting lever is the acute triangle platy structure, an angle of connecting lever is connected with the insulated tension pole in insulating sleeve, an angle is connected with guide post, the 3rd angle is the arc transition shape, the left end of guide post stretches out left fairlead, left side at housing is provided with adjusting device away from that side of arc control device, adjusting device comprises insulation blanket stud, insulating nut and insulated handle, be provided with screwed hole on the housing left side wall, insulation blanket stud stretches into after enclosure interior the left end that abuts against guide post by screwed hole, on the screw rod of hull outside, insulating nut is set, the outer end of insulation blanket stud is fixedly connected with insulated handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675054 CN202957196U (en) | 2012-12-10 | 2012-12-10 | Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675054 CN202957196U (en) | 2012-12-10 | 2012-12-10 | Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957196U true CN202957196U (en) | 2013-05-29 |
Family
ID=48462755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675054 Expired - Lifetime CN202957196U (en) | 2012-12-10 | 2012-12-10 | Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021730A (en) * | 2012-12-10 | 2013-04-03 | 山东鼎鑫电气科技有限公司 | Three-phase alternating-current 50Hz outdoor high-pressure vacuum circuit breaker (VCB) |
-
2012
- 2012-12-10 CN CN 201220675054 patent/CN202957196U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021730A (en) * | 2012-12-10 | 2013-04-03 | 山东鼎鑫电气科技有限公司 | Three-phase alternating-current 50Hz outdoor high-pressure vacuum circuit breaker (VCB) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |