CN205428820U - Husky vacuum circuit breaker of anti high and cold anti -wind - Google Patents
Husky vacuum circuit breaker of anti high and cold anti -wind Download PDFInfo
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- CN205428820U CN205428820U CN201521063493.XU CN201521063493U CN205428820U CN 205428820 U CN205428820 U CN 205428820U CN 201521063493 U CN201521063493 U CN 201521063493U CN 205428820 U CN205428820 U CN 205428820U
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Abstract
The utility model discloses a husky vacuum circuit breaker of anti high and cold anti -wind installs in the EMUs roof, including supporting insulator (1), empty section of thick bamboo insulator (2), major loop insulator (3), automatically controlled - gas accuse control box, drive mechanism and mounting panel (4), peak size from the roof to major loop insulator (3) is less than 750mm. This vacuum circuit breaker adopts the horizontal formula structure of high -pressure major loop satisfying under the prerequisite that the EMUs limit for height required, become horizontal length with the clearance of high pressure business turn over end from vertical height, leaves higher installation space for the bearing structure of vacuum circuit breaker major loop, has increased high -pressure major loop and to the clearance on ground, has satisfied the insulating requirement of EMUs to roof high -pressure system.
Description
Technical field
This patent relates to mechano-electronic technical field of structures, especially relates to a kind of anti-high and cold anti-blown sand vacuum circuit breaker.
Background technology
Vacuum circuit breaker, as the master switch of motor circuit in electric locomotive, is the important component part of roof high-pressure system, and when locomotive operation, the moment subjects high voltage, the effect of big electric current.In northwest plateau area, owing to height above sea level is higher, air relatively plains region (height above sea level is less than 1000m) is thin, for the roof high-pressure system of outdoor type, it is necessary to have higher dielectric level, the steady safe operation of guarantee EMUs.
But due to the limit for height requirement of EMUs, traditional vertical type vacuum breaker structure that locomotive uses can not meet the EMUs insulating requirements to roof high-pressure system, such as CRH5G type EMUs (Lan Xin line EMUs).Novel vacuum circuit breaker structure must be designed, increase vacuum circuit breaker major loop and major loop electric clearance over the ground.
Utility model content
The purpose of this utility model is to provide a kind of anti-high and cold anti-blown sand vacuum circuit breaker, this vacuum circuit breaker is meeting employing high pressure major loop pressure-bearing type structure on the premise of EMUs limit for height requires, by the electric clearance of high pressure in-out end from vertically highly becoming horizontal length, higher installing space is left to the supporting construction of vacuum circuit breaker major loop, add high pressure major loop electric clearance over the ground, meet the EMUs insulating requirements to roof high-pressure system.
The purpose of this utility model is achieved through the following technical solutions:
A kind of anti-high and cold anti-blown sand vacuum circuit breaker, is installed on EMUs roof, including supports insulative 1, empty cylinder insulator 2, major loop insulator 3, automatically controlled-gas control control chamber, drive mechanism and installing plate 4；
Installing plate 4 is installed on roof, and automatically controlled-gas control control chamber is installed on below installing plate 4 and is positioned at car；Supports insulative 1 is respectively arranged in the left and right sides above installing plate 4 with empty cylinder insulator 2 lower end；Major loop insulator 3 is horizontal, and two ends are individually fixed in supports insulative 1 and empty cylinder insulator 2 top；The major loop insulator 3 that the vacuum switch 5 of major loop is packaged in pressure-bearing type is interior and horizontal；
Drive mechanism is located in sky cylinder insulator 2, and upper end connects the moving contact of vacuum switch 5, and lower end connects the pneumatic actuator of automatically controlled-gas control control chamber；
From roof, the peak to major loop insulator 3 is smaller in size than 750mm.
Described drive mechanism includes driving rod 6, connecting rod 7, push rod 8 and two Assembly of pin；Driving rod 6 lower end connects pneumatic actuator, and connecting rod 7 is fixed in upper end, and connecting rod 7 is hinged with push rod 8 lower end by the first Assembly of pin, and push rod 8 upper end is hinged with the moving contact of vacuum switch 5 by the second Assembly of pin.
The first described Assembly of pin includes the first bearing pin 9 and clutch shaft bearing 10 at the first bearing pin 9 two ends, in the vertical chute 12 on the two side turning to flange 11 of the connection that the clutch shaft bearing 10 at two ends is respectively arranged on sky cylinder insulator 2 and major loop insulator 3.
The first described Assembly of pin includes the second bearing pin 13 and second bearing 14 at the second bearing pin 13 two ends；Empty cylinder insulator 2 is provided with horizontal concrete chute 15 with the two side turning to flange 11 of the connection of major loop insulator 3；Second bearing 14 at two ends is respectively arranged in horizontal concrete chute 15.
The pneumatic actuator of described automatically controlled-gas control control chamber includes performing cylinder 16, and the piston rod performing cylinder 16 connects drive mechanism lower end.
It is provided with transition copper rod 18 between the static contact of vacuum switch 5 and the mounting flange 17 of major loop insulator 3 in described major loop insulator 3.
The moving contact side of described vacuum switch 5 is provided with moving contact back-moving spring.
Filling gel 19 between the side of described vacuum switch 5 and major loop insulator 3.
Described supports insulative 1 is provided with full skirt 20 with the junction of installing plate 4.
The technical scheme provided by above-mentioned this utility model can be seen that, the anti-high and cold anti-blown sand vacuum circuit breaker that this utility model embodiment provides, this vacuum circuit breaker is meeting employing high pressure major loop pressure-bearing type structure on the premise of EMUs limit for height requires, by the electric clearance of high pressure in-out end from vertically highly becoming horizontal length, higher installing space is left to the supporting construction of vacuum circuit breaker major loop, add high pressure major loop electric clearance over the ground, meet the EMUs insulating requirements to roof high-pressure system.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, from the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
The structural representation front view of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 1 provides for this utility model embodiment；
The structural representation top view of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 2 provides for this utility model embodiment；
The structural representation rearview of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 3 provides for this utility model embodiment；
The structural representation left view of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 4 provides for this utility model embodiment；
The structural representation front sectional view of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 5 provides for this utility model embodiment；
The partial structurtes schematic diagram one of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 6 provides for this utility model embodiment；
The partial structurtes schematic diagram two of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 7 provides for this utility model embodiment；
The partial structurtes schematic diagram three of the anti-high and cold anti-blown sand vacuum circuit breaker that Fig. 8 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into protection domain of the present utility model.
Separately it should be noted that description orientation mentioned herein " on ", D score, "left", "right", " front, " afterwards " is all not specific to this orientation except specified otherwise; it is convenient to be intended merely to describe, and its description different of the placement direction of described product is also not quite similar.Those of ordinary skill in the art are intelligible orientation under not making creative work premise, broadly falls into protection domain of the present utility model.
Below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
Embodiment one
As shown in Figures 1 to 5, a kind of anti-high and cold anti-blown sand vacuum circuit breaker, it is installed on EMUs roof, including supports insulative 1, empty cylinder insulator 2, major loop insulator 3, automatically controlled-gas control control chamber, drive mechanism and installing plate 4；Installing plate 4 is installed on roof, and automatically controlled-gas control control chamber is installed on below installing plate 4 and is positioned at car；Being controlled chopper by electric interfaces 24 and gas source interface 25, interface position and specification are mated with EMUs vehicle.
Supports insulative 1 is respectively arranged in the left and right sides above installing plate 4 with empty cylinder insulator 2 lower end；Major loop insulator 3 is horizontal, and two ends are individually fixed in supports insulative 1 and empty cylinder insulator 2 top；The major loop insulator 3 that the vacuum switch 5 of major loop is packaged in pressure-bearing type is interior and horizontal；Drive mechanism is located in sky cylinder insulator 2, and upper end connects the moving contact of vacuum switch 5, and lower end connects the pneumatic actuator of automatically controlled-gas control control chamber；
From roof, the peak to major loop insulator 3 is smaller in size than 750mm.During this example is actually used, more than installed surface, namely more than roof, the height of vacuum circuit breaker is 746mm, has 4 high input voltage output interfaces 21 at vacuum circuit breaker major loop top and side simultaneously, specifically uses each 2 M12 screws；The side of two position adjustables is stretched out earth clip 22 and is mated with earthed switch, can be by vacuum circuit breaker high input voltage outfan ground connection simultaneously.
Supports insulative 1 acts the effect supporting regulation major loop insulator 3, ensures that major loop insulator 3 two ends are in same level by increasing the pad 23 of different-thickness.After regulating height, fix major loop insulator 3, it is to avoid major loop insulator 3 deviates original position because of various external force factors, affects service behaviour.
Meanwhile, described supports insulative 1 is provided with full skirt 20 with the junction of installing plate 4.Full skirt 20 lower end can turn down, and securing member is wrapped in full skirt 20 internal, increases the creep age distance of supports insulative 1.
Driving rod 6, connecting rod 7, push rod 8 and two Assembly of pin are specifically included in the structure of above-mentioned drive mechanism；Driving rod 6 lower end connects the piston rod performing cylinder 16 of pneumatic actuator, connecting rod 7 is fixed in upper end, connecting rod 7 is hinged with push rod 8 lower end by the first bearing pin 9 of the first Assembly of pin, and push rod 8 upper end is hinged with the moving contact of vacuum switch 5 with hinged by the second bearing pin 13 of the second Assembly of pin.
Concrete, the first described Assembly of pin includes the first bearing pin 9 and clutch shaft bearing 10 at the first bearing pin 9 two ends, in the vertical chute 12 on the two side turning to flange 11 of the connection that the clutch shaft bearing 10 at two ends is respectively arranged on sky cylinder insulator 2 and major loop insulator 3.Clutch shaft bearing 10 uses needle bearing, both sides to be provided with spacing collar, it is ensured that clutch shaft bearing 10 can only prevent clutch shaft bearing 10 from coming off clamping stagnation at vertical chute 12 internal motion.
Concrete, the first described Assembly of pin includes the second bearing pin 13 and second bearing 14 at the second bearing pin 13 two ends；Empty cylinder insulator 2 is provided with horizontal concrete chute 15 with the two side turning to flange 11 of the connection of major loop insulator 3；Second bearing 14 at two ends is respectively arranged in horizontal concrete chute 15.Second bearing 14 uses needle bearing, both sides to be provided with spacing collar, it is ensured that the second bearing 14 can only prevent the second bearing 14 from coming off clamping stagnation at horizontal concrete chute 15 internal motion.
Turn to and indicator 26 is installed on flange 11 and leaves detection hole 27, under vacuum circuit breaker closure state, by measuring indicator 26 and the gap of the second bearing pin 13 end, it is judged that the service life of vacuum switch 5.The detection equipment such as displacement transducer can be installed on the second bearing pin 13 by detection hole 27, be used for measuring vacuum circuit breaker rigging error whether within zone of reasonableness.
Described automatically controlled-gas control control chamber includes that electrical control mechanism and pneumatic actuator, pneumatic actuator therein include performing cylinder 16, and the piston rod performing cylinder 16 connects drive mechanism lower end.Concrete is connected to driving rod 6 lower end, the compressed air of input is adjusted to suitable flow velocity and air pressure through the empty control chamber of electricity, driving rod 6 is promoted to move upward by performing the piston of cylinder 16, the vertical direction thrust produced is converted to horizontal direction thrust by the first bearing pin 9 by rotatable push rod 8, promoted the moving contact of vacuum switch 5 again by the second bearing pin 13, close main circuit breaker.
The moving contact side of described vacuum switch 5 is provided with moving contact back-moving spring, disconnection process is contrary, perform cylinder 16 and stop supply, transfer aerofluxus to, the spring force of moving contact back-moving spring sequentially pass through the second bearing pin 13, push rod the 8, first bearing pin 9, driving rod 6 promote perform cylinder 16 piston rod move downward.
The major loop insulator 3 that the vacuum switch 5 of above-mentioned major loop is packaged in pressure-bearing type is interior and horizontal, and vacuum switch 5 is fixed in major loop insulator 3 by filling gel 19 between the side of concrete described vacuum switch 5 and major loop insulator 3.Vacuum switch tube 5 is avoided to be subjected to displacement when breaker actuation.
It is provided with transition copper rod 18 between the static contact of vacuum switch 5 and the mounting flange 17 of major loop insulator 3 in described major loop insulator 3.Vacuum switch 5 is adjusted to suitable fitting depth, it is simple to assemble.Decrease the consumption of silica gel 19 simultaneously, reduce and cause the destroyed probability of major loop insulator 3 because silicone rubber expands with heat and contract with cold.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. an anti-high and cold anti-blown sand vacuum circuit breaker, it is installed on EMUs roof, it is characterised in that: include supports insulative (1), empty cylinder insulator (2), major loop insulator (3), automatically controlled-gas control control chamber, drive mechanism and installing plate (4)；
Installing plate (4) is installed on roof, and automatically controlled-gas control control chamber is installed on installing plate (4) lower section and is positioned at car；Supports insulative (1) and empty cylinder insulator (2) lower end are respectively arranged in the left and right sides, installing plate (4) top；Major loop insulator (3) is horizontal, and two ends are individually fixed in supports insulative (1) and empty cylinder insulator (2) top；The major loop insulator (3) that the vacuum switch (5) of major loop is packaged in pressure-bearing type is interior and horizontal；
Drive mechanism is located in sky cylinder insulator (2), and upper end connects the moving contact of vacuum switch (5), and lower end connects the pneumatic actuator of automatically controlled-gas control control chamber；
From roof, the peak to major loop insulator (3) is smaller in size than 750mm.
Anti-high and cold anti-blown sand vacuum circuit breaker the most according to claim 1, it is characterised in that described drive mechanism includes driving rod (6), connecting rod (7), push rod (8) and two Assembly of pin；Driving rod (6) lower end connects pneumatic actuator, connecting rod (7) is fixed in upper end, connecting rod (7) is hinged with push rod (8) lower end by the first Assembly of pin, and push rod (8) upper end is hinged with the moving contact of vacuum switch (5) by the second Assembly of pin.
Anti-high and cold anti-blown sand vacuum circuit breaker the most according to claim 2, it is characterized in that, the first described Assembly of pin includes the clutch shaft bearing (10) at the first bearing pin (9) and the first bearing pin (9) two ends, and it is interior with the vertical chute (12) on the two side turning to flange (11) of the connection of major loop insulator (3) that the clutch shaft bearing (10) at two ends is respectively arranged on sky cylinder insulator (2).
Anti-high and cold anti-blown sand vacuum circuit breaker the most according to claim 2, it is characterised in that the first described Assembly of pin includes second bearing (14) at the second bearing pin (13) and the second bearing pin (13) two ends；Empty cylinder insulator (2) is provided with horizontal concrete chute (15) with the two side turning to flange (11) of the connection of major loop insulator (3)；Second bearing (14) at two ends is respectively arranged in horizontal concrete chute (15).
5. according to the anti-high and cold anti-blown sand vacuum circuit breaker described in claim 1,2,3 or 4, it is characterized in that, the pneumatic actuator of described automatically controlled-gas control control chamber includes performing cylinder (16), and the piston rod performing cylinder (16) connects drive mechanism lower end.
6. according to the anti-high and cold anti-blown sand vacuum circuit breaker described in claim 1,2,3 or 4, it is characterized in that, between the static contact of described major loop insulator (3) interior vacuum switch (5) and the mounting flange (17) of major loop insulator (3), be provided with transition copper rod (18).
7. according to the anti-high and cold anti-blown sand vacuum circuit breaker described in claim 1,2,3 or 4, it is characterised in that the moving contact side of described vacuum switch (5) is provided with moving contact back-moving spring.
8. according to the anti-high and cold anti-blown sand vacuum circuit breaker described in claim 1,2,3 or 4, it is characterised in that filling gel (19) between the side of described vacuum switch (5) and major loop insulator (3).
9. according to the anti-high and cold anti-blown sand vacuum circuit breaker described in claim 1,2,3 or 4, it is characterised in that described supports insulative (1) is provided with full skirt (20) with the junction of installing plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063493.XU CN205428820U (en) | 2015-12-17 | 2015-12-17 | Husky vacuum circuit breaker of anti high and cold anti -wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063493.XU CN205428820U (en) | 2015-12-17 | 2015-12-17 | Husky vacuum circuit breaker of anti high and cold anti -wind |
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| Publication Number | Publication Date |
|---|---|
| CN205428820U true CN205428820U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521063493.XU Active CN205428820U (en) | 2015-12-17 | 2015-12-17 | Husky vacuum circuit breaker of anti high and cold anti -wind |
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| CN (1) | CN205428820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600320A (en) * | 2019-08-05 | 2019-12-20 | 株洲庆云电力机车配件工厂有限公司 | Reverse-drive transverse permanent magnet vacuum circuit breaker |
-
2015
- 2015-12-17 CN CN201521063493.XU patent/CN205428820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600320A (en) * | 2019-08-05 | 2019-12-20 | 株洲庆云电力机车配件工厂有限公司 | Reverse-drive transverse permanent magnet vacuum circuit breaker |
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