CN206516559U - Mesohigh vacuum circuit breaker - Google Patents
Mesohigh vacuum circuit breaker Download PDFInfo
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- CN206516559U CN206516559U CN201621087412.4U CN201621087412U CN206516559U CN 206516559 U CN206516559 U CN 206516559U CN 201621087412 U CN201621087412 U CN 201621087412U CN 206516559 U CN206516559 U CN 206516559U
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- circuit breaker
- rotating shaft
- permanent magnet
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Abstract
The utility model discloses a kind of mesohigh vacuum circuit breaker, including Shell of circuit breaker, vacuum circuit breaker body and permanent magnet type operating mechanism；An accommodating cavity is provided with Shell of circuit breaker, permanent magnet type operating mechanism is located in the accommodating cavity；The permanent magnet type drive mechanism includes manual switching-off device；The pedestal with axis hole that the manual switching-off device includes being fixedly installed on drive mechanism housing roof, the manual brake separating rotating shaft being arranged in the axis hole, it is fixed on the cam of manual brake separating shaft end and provides the elastic component of elastic force for manual brake separating rotating shaft reset；The cam is arranged on the underface of the block piece of drive rod upper end；Rotation manual separating brake rotating shaft, drives the cam rotation.The utility model has the advantages that the stability and reliability that are effectively ensured in long-term use.
Description
Technical field
The utility model belongs to breaker technical field, and in particular to a kind of mesohigh vacuum circuit breaker.
Background technology
Chinese patent 200620004381.1 discloses a kind of permanent magnetism indoor high-voltage vacuum circuit breaker, can from its accompanying drawing
Go out, including three vacuum circuit breaker bodies and a permanent magnet type operating mechanism；The permanent magnet type operating mechanism includes three transmissions
Component, one be used to driving corresponding insulated tension pole to move up and down by runner assembly main shaft, one for drive shaft
The permanent magnet type drive mechanism of rotation and two disjunction spring assemblies；The permanent magnet type drive mechanism includes drive rod, the driving
The lower end of bar drives the main axis by a driving connecting lever；The transmission component includes transmission crank arm, connecting lever connecting plate, passed
Swing arm, alignment pin；The transmission crank arm is fixed on main shaft；One end of the connecting lever connecting plate and transmission crank arm rotate be connected,
One end of the other end and transmission arm rotates connection, and the other end of the transmission arm is rotated with a corresponding insulated tension pole and connected,
The middle part of the transmission arm is provided with axis hole, and one is additionally provided between one end being connected with connecting lever connecting plate of the transmission arm and axis hole
Hooking hole；The static setting of the relatively described Shell of circuit breaker of the alignment pin and the axis hole for passing through each transmission arm；Each disjunction
Spring assembly includes disjunction spring-support plate, the disjunction spring being fixed on Shell of circuit breaker；The upper end of the disjunction spring is hooked
Hang on the disjunction spring-support plate, the lower end of the disjunction spring is hooked in the hooking hole on transmission arm；This structure
Shortcoming be in long-term use, vibrate larger when being acted due to permanent magnet type drive mechanism, be short of on reliability.
Utility model content
Technical problem underlying to be solved in the utility model is stability of the permanent magnet type operating mechanism in long-term use
With the technical problem of reliability.
In order to solve the above technical problems, mesohigh vacuum circuit breaker of the present utility model, including Shell of circuit breaker, vacuum are disconnected
Road device body and permanent magnet type operating mechanism；Each vacuum circuit breaker body include vacuum interrupter, moving contact, static contact, with
The connected insulated tension pole of moving contact；The permanent magnet type operating mechanism is used to pass through each transmission group including three transmission components, one
Part drive the main shaft that corresponding insulated tension pole moves up and down, one be arranged in the middle part of main shaft driving connecting lever, one be used to drive
The permanent magnet type drive mechanism and two disjunction spring assemblies of dynamic main axis；The permanent magnet type drive mechanism includes drive rod, institute
The lower end of drive rod is stated by driving connecting lever to drive the main axis；An accommodating cavity, magneto behaviour are provided with Shell of circuit breaker
Make mechanism in the accommodating cavity；The permanent magnet type drive mechanism includes manual switching-off device；The manual switching-off device includes
The pedestal with axis hole that is fixedly installed on drive mechanism housing roof, the manual brake separating rotating shaft being arranged in the axis hole,
It is fixed on the cam of manual brake separating shaft end and the elastic component that elastic force is provided is resetted for manual brake separating rotating shaft；The cam is set
Put in the underface of the block piece of drive rod upper end；Rotation manual separating brake rotating shaft, drives the cam rotation.
In such scheme, Shell of circuit breaker is stretched out in one end of the remote cam of the manual brake separating rotating shaft, and the end is set
There is the forced section for being easy to twist, the lateral cross section shape of its forced section is regular polygon.
In such scheme, Shell of circuit breaker includes enclosing the wallboard for being located at permanent magnet type drive mechanism periphery；The breaker shell
Body is provided with perforate, and the middle-end of manual brake separating rotating shaft is located in the perforate, and drive mechanism housing roof and the wallboard enclose to be formed
Space formed closing space.
In such scheme, perforate is a slide opening；The middle-end of manual brake separating rotating shaft is located in the slide opening.
In such scheme, the middle-end formation of slide opening and manual brake separating rotating shaft is slidingly sealed mechanism.
The good effect that the utility model has：
（1）, can be very big by the way that permanent magnet type operating mechanism is fixedly installed in default accommodating cavity in the utility model
The stability of permanent magnet type drive mechanism is lifted, so as to ensure the stability and reliability of whole permanent magnet type operating mechanism.（2）This reality
In new, the described end is provided with the forced section for being easy to twist, and the lateral cross section shape of its forced section is regular polygon, due to hand
Shell of circuit breaker is stretched out in one end of the remote cam of dynamic separating brake rotating shaft, so it is manual directly this can be rotated using fastening tool
Separating brake rotating shaft, also can rotate the manual brake separating rotating shaft by the handle that match somebody with somebody of spy certainly so that its operation is simple.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the first structure of the utility model；
Fig. 2 is cross section structure diagram of mesohigh vacuum circuit breaker shown in Fig. 1 along line A-A；
Fig. 3 is cross section structure diagram of mesohigh vacuum circuit breaker shown in Fig. 1 along line B-B；
Fig. 4 is a kind of dimensional structure diagram of permanent magnet type drive mechanism in mesohigh vacuum circuit breaker shown in Fig. 1；
Fig. 5 is a kind of structural representation of driving connecting lever in mesohigh vacuum circuit breaker shown in Fig. 3；
Fig. 6 is a kind of cross section structure diagram of second of structure of the utility model.
Embodiment
（Embodiment 1, mesohigh vacuum circuit breaker）
Fig. 1 to Fig. 5 shows a kind of embodiment of the present utility model.
The present embodiment is a kind of mesohigh vacuum circuit breaker, sees that Fig. 1 to Fig. 5, including Shell of circuit breaker 1, three vacuum break
Road device body 2 and a permanent magnet type operating mechanism 3；Each vacuum circuit breaker body 2 includes vacuum interrupter 21, moving contact
（It is not drawn on figure）, static contact（It is not drawn on figure）, the insulated tension pole 24 that is connected with moving contact；The permanent magnet type operating mechanism 3
It is used to drive what corresponding insulated tension pole 24 moved up and down by each transmission component 4 including at least two transmission components 4, one
Main shaft 5, one be arranged on the driving connecting lever 6 at the middle part of main shaft 5, one be used for permanent magnet type drive mechanism 7 that drive shaft 5 rotates,
With two disjunction spring assemblies 8；The permanent magnet type drive mechanism 7 includes drive rod, and the lower end of the drive rod is turned by driving
Arm 6 drives the main shaft 5 to rotate；Described two disjunction spring assemblies 8 are symmetricly set on driving connecting lever 6 both sides；It is described each
Disjunction spring assembly includes disjunction spring 81, disjunction spring transmission connecting lever 82, disjunction spring-support plate 83, disjunction spring is adjustable spiral shell
Hanging plate 86 under bolt assembly 84, disjunction spring upper hanging plate 85, disjunction spring；The disjunction spring transmission connecting lever 82 is fixed on the master
On axle 5；The disjunction spring-support plate 83 is fixedly installed on Shell of circuit breaker 1；The upper end of the disjunction spring 81 is fixed on
On disjunction spring upper hanging plate 85, the lower end of the disjunction spring 81 is fixed under disjunction spring on hanging plate 86, the disjunction spring
Lower hanging plate 86 is rotated with the disjunction spring transmission connecting lever 82 and is connected；The disjunction spring upper hanging plate 85 can with the disjunction spring
Bolt assembly 84 is adjusted to rotate connection, the disjunction spring adjustable bolt component 84 is rotated with the disjunction spring-support plate 83 to be connected
Connect.
See in Fig. 1, three transmission components 4, two positioned at the left and right sides end of main shaft 5 include passing from transmission component 4B
Dynamic connecting lever 41, connecting lever connecting plate 42, transmission arm 43, alignment pin 44, transmission arm supporting plate 45, the transmission crank arm 41 are fixed on master
On axle 5, one end of the connecting lever connecting plate 42 rotated with transmission crank arm 41 be connected, one end of the other end and transmission arm 43 rotates company
Connect；A main transmission component 4A positioned at the middle part of main shaft 5 includes connecting lever connecting plate 42, transmission arm 43, alignment pin 44, transmission arm branch
Fagging 45；One end of the connecting lever connecting plate 42 rotated with driving connecting lever 6 be connected, one end of the other end and transmission arm 43 rotates company
Connect；This design makes overall structure relatively simple.
See Fig. 3 and Fig. 5, the driving connecting lever 6 is provided with the spline spindle hole 61 for being used to being fixedly connected with main shaft 5, is used for
The drive shaft hole 62 being connected is rotated with the drive rod lower end 771 and the transmission axis hole being connected is rotated with the connecting lever connecting plate 42
63。
See Fig. 5, the other end of the transmission arm 43 is rotated with a corresponding insulated tension pole 24 and connected；The transmission arm 43
Middle part be provided with axis hole 431；The transmission arm supporting plate 45 is fixed on Shell of circuit breaker 1；The alignment pin 44 is arranged on
In the axis hole 431 of each transmission arm 43, the transmission arm 43 is rotated with the transmission arm supporting plate 45 by alignment pin 44 and is connected.
See Fig. 3 and Fig. 4, the permanent magnet type drive mechanism 7 includes drive mechanism housing 71, lower yoke 72, coil 73, upper magnetic
Yoke 74, permanent magnet 75, dynamic iron core 76, drive rod 77 and manual switching-off device 79；The upper end 772 and lower end of the drive rod 77
771 stretch out the drive mechanism housing 71, and the upper end 772 of the drive rod is provided with block piece 78, the drive rod 77
End 771 rotates with driving connecting lever 6 and is connected；The coil 73 is arranged between upper magnet yoke 74 and lower yoke 72；The permanent magnet 75
Arrangement circlewise, is arranged between the upper magnet yoke 74 and drive mechanism housing 71；Described dynamic unshakable in one's determination 76 with the drive rod 77
It is relatively fixed setting.The coil 73 includes switching winding 731 and closing coil 732.The switching winding 731 is arranged on combined floodgate
732 below coil.
See Fig. 1, Fig. 3 and Fig. 4, the manual switching-off device 79 is arranged on the side of the drive rod 77；Described manual point
Brake gear 79 include be fixedly installed on the upper surface of drive mechanism housing 71 the pedestal 791 with axis hole, be arranged on the axle
Manual brake separating rotating shaft 792 in hole, the cam 793 for being fixed on the end of manual brake separating rotating shaft 792, answer for manual brake separating rotating shaft 792
Position provides the elastic component 794 of elastic force；The cam 793 is arranged on the underface of the block piece 78 of drive rod upper end；When it is described forever
When magnetic-type drive mechanism 7 is in "on" position, rotation manual separating brake rotating shaft 792 drives the cam 793 to rotate, the cam
793 during rotation, by the upward jack-up of block piece 78 of the drive rod upper end, so that dynamic iron core 76 overcomes permanent magnet
75 attraction separates and realizes manual brake separating.Observe from the top down, the basic configuration of the pedestal 791 is Back Word type；From institute
The unilateral observation that pedestal 791 is provided with axis hole is stated, the basic configuration of the pedestal 791 is convex shape.
Shell of circuit breaker 1 is stretched out in one end of the remote cam 793 of the manual brake separating rotating shaft 792, and the end is provided with just
In the forced section 7921 twisted, the lateral cross section shape of its forced section 7921 is regular polygon, and the present embodiment is regular hexagon.
In the present embodiment, the elastic component 794 selects torsion spring, and the torsion spring is set in manual brake separating rotating shaft 792, one
End is arranged in manual brake separating rotating shaft 794, and the other end is arranged on pedestal 791；The block piece 78 is that diameter is more than drive rod
The rounded tabs of 77 diameters.
As shown in Fig. 1 and Fig. 3, Shell of circuit breaker 1 includes enclosing the wallboard 11 for being located at the periphery of permanent magnet type drive mechanism 7；It is described
Shell of circuit breaker 1 is provided with slide opening 100, and the middle-end of manual brake separating rotating shaft 792 is located in the slide opening 100, drive mechanism housing roof
711 and the wallboard 11 enclose the space to be formed and form closing space 200, the closing space be pointed to build-in components have it is preferable
Protecting effect.
Further, slide opening 100 and the formation of the middle-end of manual brake separating rotating shaft 792 are slidingly sealed mechanism, such as manual brake separating
The middle-end of rotating shaft 792 is rotatably arranged in slide opening 100 by bearing, so as to effectively prevent micronic dust from entering the closing space, protection
It is better.
The present embodiment has good advantageous effects：（1）In the present embodiment, described two disjunction spring assemblies are symmetrical
It is arranged on the driving connecting lever both sides；Each disjunction spring assembly includes disjunction spring and disjunction spring transmission connecting lever；It is described
Disjunction spring transmission connecting lever is fixed on the main shaft；The upper end of the disjunction spring is relatively fixed setting with Shell of circuit breaker,
Its lower end is connected with the disjunction spring transmission connecting lever；This structure and traditional permanent magnetism indoor high-voltage vacuum circuit breaker phase
Than, due to adding the length of the arm of force, so can be using the disjunction spring for providing smaller elastic force, this is reduced to a certain extent
Cost；Further, since disjunction spring directly drives main axis by disjunction spring transmission connecting lever, main shaft passes through transmission component again
Drive insulated tension pole to move up and down, its divide-shut brake effect is no longer influenced by the direct effect of each disjunction spring, that is to say no longer
Easily because being influenceed by positioning is installed, the stability and reliability of whole permanent magnet type operating mechanism can effectively ensure that.（2）This reality
Apply in example, the upper end of the drive rod is provided with block piece；The permanent magnet type drive mechanism also includes manual switching-off device；The hand
Manual brake-separating device include be fixedly installed on drive mechanism housing upper surface the pedestal with axis hole, be arranged in the axis hole
Manual brake separating rotating shaft, be fixed on the cam of manual brake separating shaft end, resetted for manual brake separating rotating shaft the elasticity of elastic force is provided
Part；The cam is arranged on the underface of the block piece of drive rod upper end；When the permanent magnet type drive mechanism is in "on" position
When, rotation manual separating brake rotating shaft drives the cam rotation, the cam is during rotation, by the drive rod upper end
The upward jack-up of block piece so that dynamic iron core overcomes the attraction of permanent magnet to separate and realize manual brake separating；This structure will
Manual switching-off device is set directly on permanent magnet type drive mechanism as an additional component, and its structure is relatively simple, overall
Manufacturing cost is also than relatively low.（3）In the present embodiment, the described end is provided with the forced section for being easy to twist, the transverse cutting of its forced section
Face shape is regular polygon, because Shell of circuit breaker is stretched out in one end of the remote cam of manual brake separating rotating shaft, so can be straight
Connect and rotate the manual brake separating rotating shaft using fastening tool, also the manual brake separating rotating shaft can be rotated by the special handle that match somebody with somebody certainly,
So that its operation is simple.
（Embodiment 2）
Fig. 6 shows another embodiment of the present utility model.
The present embodiment and embodiment 1 are essentially identical, and difference is：As shown in Figure 6, the present embodiment also includes being used to adjust
Section moves the governor motion 300 of 76 operating distance unshakable in one's determination；Governor motion includes postive stop baffle 301 and three adjusting screws 302；It is spacing
Baffle plate is located in drive mechanism housing 71, and positioned between drive mechanism housing roof 711 and dynamic iron core top；Drive mechanism shell
Body roof 711 is provided with three regulation screws, and each adjusting screw is located in corresponding one regulation screw；The top of postive stop baffle is set
There are three tapped blind holes, the bottom of each adjusting screw is through corresponding one regulation screw and to be threadedly secured in a corresponding screw thread blind
Kong Zhong；In the present embodiment, groove is twisted in the top of each adjusting screw provided with interior hexagonal；When twisting adjusting screw, limit can be driven
Position baffle plate is moved back and forth along the direction of action of dynamic iron core；Baffle plate can be limited when moving up due to dynamic iron core to block, so that
Adjust the operating distance of dynamic iron core.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.And these belong to the obvious changes or variations that connotation of the present utility model extends out and still fall within this practicality
New protection domain.
Claims (4)
1. a kind of mesohigh vacuum circuit breaker, including Shell of circuit breaker, vacuum circuit breaker body and permanent magnet type operating mechanism；It is described
Each vacuum circuit breaker body includes vacuum interrupter, moving contact, static contact, the insulated tension pole being connected with moving contact；The permanent magnetism
Formula operating mechanism is used to drive corresponding insulated tension pole to move up and down by each transmission component including three transmission components, one
Main shaft, one be arranged in the middle part of main shaft driving connecting lever, one be used for drive shaft rotate permanent magnet type drive mechanism and two
Individual disjunction spring assembly；The permanent magnet type drive mechanism includes drive rod, and the lower end of the drive rod is by driving connecting lever to drive
The main axis；It is characterized in that：An accommodating cavity is provided with Shell of circuit breaker, permanent magnet type operating mechanism is located at the accommodating cavity
In；The permanent magnet type drive mechanism includes manual switching-off device；The manual switching-off device includes being fixedly installed on drive mechanism
The pedestal with axis hole in housing top wall, the manual brake separating rotating shaft being arranged in the axis hole, it is fixed on manual brake separating rotating shaft
The cam of end and the elastic component that elastic force is provided for manual brake separating rotating shaft reset；The cam is arranged on the resistance of drive rod upper end
The underface of block piece；Rotation manual separating brake rotating shaft, drives the cam rotation；Also include being used to adjust dynamic operating distance unshakable in one's determination
Governor motion；Governor motion includes postive stop baffle and three adjusting screws；Postive stop baffle is located in drive mechanism housing, and is located at
Between drive mechanism housing roof and dynamic iron core top；Drive mechanism housing roof respectively adjusts spiral shell provided with three regulation screws
Nail is located in corresponding one regulation screw；The top of postive stop baffle is provided with three tapped blind holes, and the bottom of each adjusting screw is passed through
A corresponding regulation screw is simultaneously threadedly secured in a corresponding tapped blind hole；Shell of circuit breaker, which includes enclosing, is located at magneto driving
The wallboard of mechanism periphery；The Shell of circuit breaker is provided with perforate, and the middle-end of manual brake separating rotating shaft is located in the perforate, drive mechanism
Housing top wall and the wallboard enclose the space to be formed and form closing space.
2. mesohigh vacuum circuit breaker according to claim 1, it is characterised in that：The remote institute of the manual brake separating rotating shaft
Shell of circuit breaker is stretched out in the one end for stating cam, and the end is provided with the forced section for being easy to twist, and the lateral cross section shape of its forced section is
Regular polygon.
3. mesohigh vacuum circuit breaker according to claim 1, it is characterised in that：Perforate is a slide opening；Manual brake separating turns
The middle-end of axle is located in the slide opening.
4. mesohigh vacuum circuit breaker according to claim 3, it is characterised in that：Slide opening and the middle-end of manual brake separating rotating shaft
Formation is slidingly sealed mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087412.4U CN206516559U (en) | 2016-09-28 | 2016-09-28 | Mesohigh vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087412.4U CN206516559U (en) | 2016-09-28 | 2016-09-28 | Mesohigh vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516559U true CN206516559U (en) | 2017-09-22 |
Family
ID=59861504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621087412.4U Active CN206516559U (en) | 2016-09-28 | 2016-09-28 | Mesohigh vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516559U (en) |
-
2016
- 2016-09-28 CN CN201621087412.4U patent/CN206516559U/en active Active
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