CN206179768U - Novel high -pressure vacuum circuit breaker of high stability - Google Patents
Novel high -pressure vacuum circuit breaker of high stability Download PDFInfo
- Publication number
- CN206179768U CN206179768U CN201621119006.1U CN201621119006U CN206179768U CN 206179768 U CN206179768 U CN 206179768U CN 201621119006 U CN201621119006 U CN 201621119006U CN 206179768 U CN206179768 U CN 206179768U
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- CN
- China
- Prior art keywords
- connecting rod
- main shaft
- connecting lever
- casing
- high stability
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- 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 discloses a novel high -pressure vacuum circuit breaker of high stability, operating device arranges in the box, the main shaft is connected with operating device's power take off end, the both ends and the middle section of main shaft are connected with the one end of three main shaft turning arms respectively, article three, the main shaft turning arm the other end respectively with the one end swivelling joint of three connecting rods, article three, the connecting rod the other end respectively with the one end swivelling joint of three connecting rod turning arms, article three, the connecting rod turning arm the other end respectively with the inner wall swivelling joint of box, article three, the connecting rod is located operating device respectively around, article three, the position that is close to the connecting rod turning arm on three connecting rods is installed respectively to the one end of pull rod of insulating, article three, insulate the pull rod the other end respectively with the three contact connection that moves. The utility model discloses utilize the common many joints connection structure who constitutes of main shaft turning arm, connecting rod and connecting rod turning arm, be convenient for change the orientation of power transmission structure, improved the stability and the reliability of circuit breaker action greatly, simplified the structure simultaneously, reduced the volume, be convenient for use.
Description
Technical field
The utility model is related to a kind of vacuum circuit breaker for high tension distribution system protection, more particularly to a kind of high stable
The high-tension Vacuum switch of property.
Background technology
Sulfur hexafluoride gas are《Kyodo Protocol book》Most strong one kind, its earth temperature in the six kinds of greenhouse gases specified
23900 times that coefficient is carbon dioxide are warmed up, its presence life-span in an atmosphere is 3200, so sulfur hexafluoride is breaking
Device is increasingly not applied, and vacuum circuit breaker then turns into development priority.Vacuum circuit breaker has environment-friendly, product reliability
High, maintenance workload is small, without fire explosion it is dangerous, product technology performance is high the advantages of, be at present main product.But it is existing
Have the shortcomings that assembly technology difficulty is high and overall volume is larger more than some vacuum circuit breakers, its structure is badly in need of optimization.
Traditional high-pressure vacuum breaker, including three vacuum circuit breaker mains and corresponding operating mechanism；Each vacuum is broken
Road device main body includes that vacuum interrupter, the moving contact in vacuum interrupter draw with the insulation that static contact is connected with moving contact
Bar；The bottom of insulated tension pole is connected with operating mechanism；Operationally, insulated tension pole under the drive of operating mechanism in vertical direction
Upper movement and then the contact of band dynamic/static contact or separation.If insulated tension pole action is violent, can cause that play occurs between dynamic and static contact
Strong collision, causes dynamic/static contact to be damaged, and then shorten the service life of vacuum interrupter.So, traditional high pressure vacuum breaks
There is the shortcomings of unreasonable structure, volume are big, reliability is not high in road device.
Utility model content
The purpose of this utility model is that and provide that a kind of novel high-pressure of high stability is true in order to solve the above problems
Empty breaker.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of high-tension Vacuum switch of high stability, including the casing as installation foundation, for providing rotation
The operating mechanism of power and three bar insulation pull bars being connected with three moving contacts respectively, also including main shaft, main shaft connecting lever, connecting rod and
Connecting rod connecting lever, the operating mechanism is placed in the casing, and the main shaft is connected simultaneously with the clutch end of the operating mechanism
Can be driven by the operating mechanism and rotated, the two ends and stage casing of the main shaft connect with three one end of the main shaft connecting lever respectively
Connect, the one end of three other ends of the main shaft connecting lever respectively with three connecting rods is rotatably connected, three connecting rods it is another
The one end of one end respectively with three connecting rod connecting levers is rotatably connected, three other ends of the connecting rod connecting lever respectively with the case
The inwall rotatable connection of body, three connecting rods are located at around the operating mechanism respectively, three the one of the insulated tension pole
End is respectively arranged on three connecting rods near the position of the connecting rod connecting lever, three other ends and three of the insulated tension pole
The individual moving contact connection.
In said structure, a main shaft drives low-angle (typically in 90 °) to rotate by operating mechanism, synchronous to drive three
Main shaft connecting lever rotates, on the premise of a wherein end position of three connecting rod connecting levers is constant, three rotary motions of main shaft connecting lever
Three connecting rods and three bar insulation pull bars are driven to move up and down and (only moved up when being driven in the utility model, downwards
Mobile then by extension spring reset pulling force realizes that extension spring structure sees below), three bar insulation pull bars drive and moved down on three moving contacts
It is dynamic, so as to realize being contacting and separating between three moving contacts and three static contacts, and then realize the three phase mains of breaker
Closed and disconnected；The multi-joint attachment structure that main shaft connecting lever, connecting rod and connecting rod connecting lever are collectively formed is this emphasis, and it will in completion
On the premise of rotary power is converted to the function of straight line power, it is easy to change the direction of power transferring structure, is easy to each part whole
Close in a casing.
Preferably, be set on the main shaft can not be relative to main axis, specifically for one end of the main shaft connecting lever
Can be coordinated by interior external tooth and realize synchronous rotary function.
For the ease of processing and applying, the connecting rod includes two parallel connecting rod steel plates, two connecting rod steel plates it
Between fixed by pitman pin and the connecting rod spacer that is set on the pitman pin, two two ends difference of the connecting rod steel plate
It is provided with the connecting rod through hole for being rotatably connected；The connecting rod connecting lever includes two parallel connecting lever steel plates, two connecting lever steel
Fixed by connecting lever bearing pin and the connecting lever spacer being set on the connecting lever bearing pin between plate, two two ends of the connecting lever steel plate
It is respectively provided with the connecting lever through hole of rotatable connection.
For the ease of installing insulated tension pole, the position between two connecting rod steel plates near the connecting rod connecting lever is provided with
Pull bar connector, one end of the insulated tension pole is connected with the pull bar connector.
For the ease of adjusting the relative position of insulated tension pole, the adaptability of length command range is improved, the insulation is drawn
Be screw rod near one section of the pull bar connector on bar, the screw rod through the pull bar connector through hole and by nut and
The pull bar connector is fixedly connected.
Preferably, the stage casing of the connecting rod be connected with the one end of extension spring for separating brake, the other end of the extension spring and
The inwall connection of the casing.Just can so utilize the reset pulling force of extension spring makes connecting rod drive insulated tension pole and moving contact downward
Non-energy-consumption separating brake purpose is realized in movement.
Further, it is located in order to buffer the impulsive force that main shaft rotates, on the main shaft near the main shaft connecting lever inner side at two ends
One end respectively with two buffering connecting levers of position be connected, two other ends of the buffering connecting levers respectively with two lubricating cups companies
Connect, two lubricating cups are respectively arranged on the inwall of the casing.
Specifically, the operating mechanism is fixedly installed in the casing by three installing plates being installed on the casing
Inwall, three installing plates are respectively positioned at the both sides and top of the operating mechanism.
In order to be stably installed main shaft, the main shaft is installed on two supporting plates by axle sleeve respectively near the position at two ends
Through hole in, two supporting plates are respectively arranged in the inwall of the casing.
Further, for the ease of mobile and operation, the outer bottom of the casing is provided with roller, outside the both sides of the casing
Wall is separately installed with valve pressing plate.
The beneficial effects of the utility model are：
The multi-joint attachment structure that the utility model is collectively formed using main shaft connecting lever, connecting rod and connecting rod connecting lever, completes
On the premise of rotary power is converted into the function of straight line power, it is easy to change the direction of power transferring structure, is easy to each part
It is incorporated into a casing, while realizing moving contact and static contact reliable contacts and separation, meeting breaker mechanical performance,
The stability and reliability of breaker actuation are substantially increased, while considerably simplify structure, reducing volume, just
In application, and efficiency of assembling is improve, reduce the labour intensity of workman, ensured production security, extend breaker
Service life.
Brief description of the drawings
Fig. 1 is the main structure diagram of the high-tension Vacuum switch of high stability described in the utility model, wherein
Casing 1 eliminate front panel；
Fig. 2 is the dimensional structure diagram of connecting rod described in the utility model, insulated tension pole and connecting rod connecting lever, in figure visual angle with
Fig. 1 is different.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, the high-tension Vacuum switch of high stability described in the utility model includes being used as to install
Basis casing 1 (conventional components), (be a ready-made module product, used in figure for providing the operating mechanism 2 of rotary power
Circle is limited) and the three bar insulation pull bars that are connected with three moving contacts respectively (see first insulated tension pole 811 of Fig. 2, second is exhausted
Edge pull bar, the 3rd insulated tension pole are not shown, and three bar insulation pull bars are conventional components), also led including main shaft 71, first
Axle connecting lever 733, the second main shaft connecting lever 734, the 3rd main shaft connecting lever 735, first connecting rod 51, second connecting rod 52, third connecting rod 53,
One connecting rod connecting lever 91, second connecting rod connecting lever (consistent with the structure of first connecting rod connecting lever 91, not show in figure), third connecting rod connecting lever (with
The structure of first connecting rod connecting lever 91 is consistent, does not show in figure), operating mechanism 2 is placed in casing 1, and operating mechanism 2 is by being installed on casing
The first installing plate 111, the second installing plate 112, the 3rd installing plate 113 on 1, the inwall for being fixedly installed in casing 1, first installs
Plate 111, the second installing plate 112, the 3rd installing plate 113 are located at the both sides and top of operating mechanism 2, main shaft 71 and operation machine respectively
The clutch end connection of structure 2 simultaneously can drive rotation by operating mechanism 2, the first main shaft connecting lever 733, the second main shaft connecting lever 735,
The two ends and stage casing that one end of 3rd main shaft connecting lever 734 is set in main shaft 71 by itself through hole respectively can not be relative to main shafts
71 rotate, and main shaft 71 is installed on the logical of the first supporting plate 114 and the second supporting plate 115 by axle sleeve respectively near the position at two ends
Kong Zhong, the first supporting plate 114 and the second supporting plate 115 are respectively arranged in the inwall of casing 1, and the first main shaft connecting lever 733, second is led
Axle connecting lever 735, the 3rd main shaft connecting lever 734 the other end respectively with first connecting rod 51, second connecting rod 53, third connecting rod 52 one end
Rotatable connection, first connecting rod 51, second connecting rod 53, the other end of third connecting rod 52 connect with first connecting rod connecting lever 91, second respectively
One end rotatable connection of bar connecting lever, third connecting rod connecting lever, first connecting rod connecting lever 91, second connecting rod connecting lever, third connecting rod connecting lever
Inwall of the other end respectively with casing 1 is rotatably connected, and first connecting rod 51, second connecting rod 53, third connecting rod 52 are located at operation respectively
Around mechanism 2, one end of the first insulated tension pole 811, the second insulated tension pole and the 3rd insulated tension pole is respectively arranged in the first company
Near the position of corresponding connecting rod connecting lever on bar 51, second connecting rod 53, third connecting rod 52, the first insulated tension pole 811, second insulate
The other end of pull bar and the 3rd insulated tension pole is connected with three moving contact (not shown) respectively；It is located near first on main shaft 71
Main shaft connecting lever 733, the position of the inner side of the second main shaft connecting lever 735 buffer connecting lever 732 with the first buffering connecting lever 731 and second respectively
One end connect, first buffering connecting lever 731 and second buffering connecting lever 732 the other end respectively with the first lubricating cup 721 and the second lubricating cup
722 connections, the first lubricating cup 721 and the second lubricating cup 722 are respectively arranged on the inwall of casing 1；The outer bottom of casing 1 is provided with rolling
Wheel 14, the both sides outer wall of casing 1 is separately installed with valve pressing plate 15.
Below by taking first connecting rod 51, first connecting rod connecting lever 91, the structure of the first insulated tension pole 811 as an example, to connecting rod, connecting rod
Connecting lever, the preferred structure of insulated tension pole are specifically described：
As shown in Fig. 2 for the ease of processing and applying, first connecting rod 51 includes two parallel connecting rod steel plates 512, two
Consolidated by pitman pin (unmarked in figure) and the connecting rod spacer 513 being set on the pitman pin between connecting rod steel plate 512
It is fixed, two connecting rod through holes 511 being respectively arranged at two ends with for being rotatably connected of connecting rod steel plate 512；First connecting rod connecting lever 91 includes
Two parallel connecting lever steel plates 911, pass through connecting lever bearing pin (unmarked in figure) and are set in described between two connecting lever steel plates 911
Connecting lever spacer on connecting lever bearing pin is (unmarked in figure) fixed, and two being respectively arranged at two ends with for connecting lever steel plate 911 connect for rotation
The connecting lever through hole 912 for connecing；Position between two connecting rod steel plates 512 near first connecting rod connecting lever 91 is provided with pull bar connector
812 (as long as the connector is easy to connect insulated tension pole, shape do not limit, and first connecting rod 51 and first is installed in this example and is connected
The position of the junction of bar connecting lever 91), one section on the first insulated tension pole 811 near pull bar connector 812 is screw rod, and the screw rod is worn
Cross the through hole of pull bar connector 812 and be fixedly connected with pull bar connector 812 by nut；Between two connecting rod steel plates 512
Stage casing is connected with extension spring connecting rod 515, and the one end with the extension spring 514 for separating brake is connected with extension spring connecting rod 515, extension spring 515
The other end be connected with the inwall of casing 1 (see Fig. 1).
Propulsive mechanism 3 above casing 1, pole 4 (or vacuum insulation cylinder, quilt cover in figure are also show in Fig. 1
Plate is blocked, and the 4 of mark is only that position is illustrated) and powered interval isolation panel 12, and the panel 13 of casing 1 (is below in figure
Plate), the framework 11 of casing 1, the interlocking gear 6 in casing 1, these parts are all existing conventional structures, be will not be repeated here.
As depicted in figs. 1 and 2, the operation principle of the high-tension Vacuum switch of high stability described in the utility model is such as
Under：
When needing to close a floodgate, switch knob is pressed, main shaft 71 drives low-angle (typically in 90 °) to rotate by operating mechanism 2,
It is synchronous to drive the first main shaft connecting lever 733, the second main shaft connecting lever 735, the 3rd main shaft connecting lever 734 to rotate, the first main shaft connecting lever 733,
Second main shaft connecting lever 735, the rotary motion of the 3rd main shaft connecting lever 734 drive first connecting rod 51, second connecting rod 53, the 3rd company respectively
Bar 52, the first insulated tension pole 811, the second insulated tension pole and the 3rd insulated tension pole are moved up, the first insulated tension pole 811, second
Insulated tension pole and the 3rd insulated tension pole drive three moving contacts to move up respectively, so as to realize three moving contacts and three stationary contacts
Contact closure between head, and then the closure of the three phase mains of breaker is realized, this is all quickly completed in very short time；Together
When, first connecting rod 51, second connecting rod 53, the extension spring (see the extension spring 514 of first connecting rod 51) of third connecting rod 52 are stretched storage respectively
Energy.
When separating brake is needed, opening button is pressed, operating mechanism 2 no longer produces revolving force to main shaft 71, first
Under connecting rod 51, second connecting rod 53, the pulling force effect of the extension spring of third connecting rod 52, first connecting rod 51, second connecting rod 53, third connecting rod
52 drive the first insulated tension pole 811, the second insulated tension pole and the 3rd insulated tension pole to move down respectively, the first insulated tension pole 811,
Second insulated tension pole and the 3rd insulated tension pole drive three moving contacts to move down respectively, so as to realize three moving contacts and three
Disconnection between static contact, and then realize the disconnection of the three phase mains of breaker.In the process, first connecting rod 51, second connects
Bar 53, third connecting rod 52 drive the first main shaft connecting lever 733, the second main shaft connecting lever 735, the 3rd reversely rotation of main shaft connecting lever 734 respectively
Turn, so that the cam of operating mechanism 2 is pressed downward rapidly, the first buffering buffering of connecting lever 731, second connecting lever 732, the first lubricating cup
721 and second lubricating cup 722 play a part of buffering, make mechanism return to just the beginning and end by the state of energy storage.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized on the basis of above-described embodiment without creative work, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (10)
1. it is a kind of high-tension Vacuum switch of high stability, including the casing as installation foundation, dynamic for providing rotation
The operating mechanism of power and three bar insulation pull bars being connected with three moving contacts respectively, it is characterised in that：Also include that main shaft, main shaft are turned
Arm, connecting rod and connecting rod connecting lever, the operating mechanism are placed in the casing, the power output of the main shaft and the operating mechanism
End connection simultaneously can drive rotation by the operating mechanism, the two ends and stage casing of the main shaft respectively with three main shaft connecting levers
One end connection, the one end of three other ends of the main shaft connecting lever respectively with three connecting rods is rotatably connected, described in three
The one end of the other end of connecting rod respectively with three connecting rod connecting levers is rotatably connected, three other end difference of the connecting rod connecting lever
Inwall with the casing is rotatably connected, and three connecting rods are located at around the operating mechanism respectively, three insulation
One end of pull bar is respectively arranged on three connecting rods near the position of the connecting rod connecting lever, three insulated tension poles it is another
One end is connected with three moving contacts.
2. the high-tension Vacuum switch of high stability according to claim 1, it is characterised in that：The main shaft connecting lever
Be set on the main shaft can not be relative to main axis for one end.
3. the high-tension Vacuum switch of high stability according to claim 1, it is characterised in that：The connecting rod includes
Two parallel connecting rod steel plates, by pitman pin and the company being set on the pitman pin between two connecting rod steel plates
Bar spacer is fixed, two connecting rod through holes being respectively arranged at two ends with for being rotatably connected of the connecting rod steel plate；The connecting rod connecting lever
Pass through connecting lever bearing pin including two parallel connecting lever steel plates, between two connecting lever steel plates and be set on the connecting lever bearing pin
Connecting lever spacer fix, the connecting lever through holes being respectively arranged at two ends with for being rotatably connected of two connecting lever steel plates.
4. the high-tension Vacuum switch of high stability according to claim 3, it is characterised in that：Two connecting rods
Position between steel plate near the connecting rod connecting lever is provided with pull bar connector, and one end of the insulated tension pole connects with the pull bar
Fitting is connected.
5. the high-tension Vacuum switch of high stability according to claim 4, it is characterised in that：The insulated tension pole
Upper be close to the pull bar connector one section is screw rod, and the screw rod passes through the through hole of the pull bar connector and passes through nut and institute
Pull bar connector is stated to be fixedly connected.
6. the high-tension Vacuum switch of the high stability according to claim 1-5 any one, it is characterised in that：Institute
The stage casing for stating connecting rod is connected with one end of the extension spring for separating brake, and the other end of the extension spring is connected with the inwall of the casing.
7. the high-tension Vacuum switch of the high stability according to claim 1-5 any one, it is characterised in that：Institute
State the one end of the position being located on main shaft on the inside of the main shaft connecting lever at two ends respectively with two buffering connecting levers to be connected, described in two
The other end for buffering connecting lever is connected with two lubricating cups respectively, and two lubricating cups are respectively arranged on the inwall of the casing.
8. the high-tension Vacuum switch of the high stability according to claim 1-5 any one, it is characterised in that：Institute
State the inwall that operating mechanism is fixedly installed in the casing by three installing plates being installed on the casing, three peaces
Dress plate is respectively positioned at the both sides and top of the operating mechanism.
9. the high-tension Vacuum switch of the high stability according to claim 1-5 any one, it is characterised in that：Institute
State main shaft to be installed on by axle sleeve respectively in two through holes of supporting plate near the position at two ends, two supporting plates are pacified respectively
Inwall loaded on the casing.
10. the high-tension Vacuum switch of the high stability according to claim 1-5 any one, it is characterised in that：
The outer bottom of the casing is provided with roller, and the both sides outer wall of the casing is separately installed with valve pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119006.1U CN206179768U (en) | 2016-10-13 | 2016-10-13 | Novel high -pressure vacuum circuit breaker of high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119006.1U CN206179768U (en) | 2016-10-13 | 2016-10-13 | Novel high -pressure vacuum circuit breaker of high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179768U true CN206179768U (en) | 2017-05-17 |
Family
ID=58678401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119006.1U Expired - Fee Related CN206179768U (en) | 2016-10-13 | 2016-10-13 | Novel high -pressure vacuum circuit breaker of high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653470A (en) * | 2016-10-13 | 2017-05-10 | 四川宝光电器设备有限公司 | Novel high-voltage vacuum circuit breaker with high stability |
-
2016
- 2016-10-13 CN CN201621119006.1U patent/CN206179768U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653470A (en) * | 2016-10-13 | 2017-05-10 | 四川宝光电器设备有限公司 | Novel high-voltage vacuum circuit breaker with high stability |
| CN106653470B (en) * | 2016-10-13 | 2019-03-19 | 四川宝光电器设备有限公司 | A kind of high-pressure vacuum breaker of high stability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170517 Termination date: 20171013 |