CN206961770U - A kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form - Google Patents
A kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form Download PDFInfo
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- CN206961770U CN206961770U CN201720728074.6U CN201720728074U CN206961770U CN 206961770 U CN206961770 U CN 206961770U CN 201720728074 U CN201720728074 U CN 201720728074U CN 206961770 U CN206961770 U CN 206961770U
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- axis hole
- rotating shaft
- roller
- rollers
- mechanism rotating
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Abstract
The utility model discloses a kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form, and it includes support, it is characterised in that：The support is provided with axis hole, the preceding outlet of axis hole is equipped with front limit plate and rear position margining plate with fixed respectively on the support exported afterwards, preceding hole corresponding with axis hole is provided with front limit plate, metapore corresponding with axis hole is provided with rear position margining plate, some rollers pass through axis hole, the roller both ends are attached separately in the neck of preceding hole and metapore, and roller can rotate in neck around itself.The utility model is changed into original sliding friction to be in rolling contact friction, the frictional force between part is reduced, spring force of the breaker when closing a floodgate more is delivered to contact system, improves combined floodgate efficiency, and it is fairly simple to safeguard installation, reduces maintenance cost.
Description
Technical field
The utility model belongs to breaker apparatus mounting technique field, is exactly specifically to be related to a kind of circuit breaker operation mechanism
The structure-improved of rotating shaft fixed form.
Background technology
It is provided with an operating mechanism inside omnipotent breaker, operating mechanism can provide breaker and carry out point, close a floodgate
When spring force；Because breaker has a multiphase contact system, and operating mechanism is only positioned at a front portion for being in contact system, therefore grasps
Make have a long rotating shaft in mechanism；The cantilever corresponding with the system that is respectively in contact is welded with rotating shaft, passes through machinery
Connecting cantilever and contact system, operating mechanism is set to drive contact system to carry out point, closing operation.Carry out point in breaker,
The rotating shaft needs of operating mechanism bear the pressure of the contact of breaker spring passed over from contact system during closing operation,
The electric current of breaker disjunction is higher, and the power that rotating shaft is born is bigger；In order to ensure that breaker can normally divide, close a floodgate, breaker
Operating mechanism is all firmly fixed on breaker body.
As shown in figure 1 and 2, the fixed structure of existing operating mechanism rotating shaft uses brass support (or bent plate), branch
Frame can be installed on breaker body, while is provided with the die cavity of carrying operating mechanism rotating shaft thereon, and open circuit is installed in support
After on device body, the rotating shaft of operating mechanism can be fixed, when rotating shaft affords the power from contact system,
Ensure that rotating shaft will not occur bending and deformation.Existing this circuit breaker operation mechanism rotating shaft fixed support is installed on breaker body
Structure, rotating shaft to operating mechanism positioned using compressing, and support directly contacts with rotating shaft；But due to operating mechanism point,
The rotating shaft of operating mechanism needs to be rotated in making process, because contact system conduction comes in this rotary movement
Pressure, rotating shaft and support be in close contact, and enters line slip spin friction；The power that main shaft is subject to is bigger, and frictional resistance is bigger, mistake
Big frictional resistance can consume the energy storage closing power of operating mechanism, increase the degree of difficulty of combined floodgate, cause breaker suitable
Profit is closed a floodgate.
Utility model content
The purpose of this utility model is exactly to cause in the fixed form for above-mentioned existing circuit breaker operation mechanism rotating shaft
The excessive technological deficiency of resistance that rotating shaft is subject to, is improved to the fixed form of existing circuit breaker operation mechanism rotating shaft, original
The sliding friction come is changed into being in rolling contact friction, reduces the frictional force between part, makes spring force of the breaker when closing a floodgate
Contact system more is delivered to, improves combined floodgate efficiency, and it is fairly simple to safeguard installation, reduces maintenance cost.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of circuit breaker operation mechanism rotating shaft fixed form of the utility model design
Structure-improved, it includes support, and the support is fixed on circuit breaker base, it is characterised in that：The support is provided with axis hole,
The axis hole is provided with roller installation supporting mechanism, and some rollers can be rotated on roller installation supporting mechanism, grasped
Making mechanism rotating shaft can rotate in the axis hole, the operating mechanism rotating shaft in axis hole in rotation process with it is described some
Roller periphery is in rolling contact, some rollers on roller installation supporting mechanism in rotation process with the axis hole endoporus table
Face is in rolling contact.
Further, the roller installation supporting mechanism includes front limit plate and rear position margining plate, the front limit plate and rear limit
Position plate is installed on the preceding exit end face and rear exit end face of the axis hole respectively, is provided with front limit plate corresponding with axis hole
Preceding hole, metapore corresponding with axis hole is provided with rear position margining plate, and some rollers pass through axis hole, some roller both ends difference
In the neck of preceding hole and metapore, some rollers can rotate in neck around itself.
Preferably, some roller peripheries and axis hole bore area inscribe, if the operating mechanism rotating shaft with it is described
The sub- periphery of dry milling is circumscribed.
Preferably, some rollers are evenly arranged with axis hole endoporus periphery, the shaft centre line of some rollers with
The shaft centre line of axis hole is parallel, and the both ends of some rollers are provided with step card, before some rollers are installed on by step
In the neck opened up in the peritreme in hole and the peritreme of metapore.
Preferably, the front limit plate and rear position margining plate correspond to the preceding exit end face for being installed on axis hole and rear outlet respectively
In the groove of end face.
Further, the roller installation supporting mechanism can also include Rollers supports, the Rollers supports inserting
In axis hole, the Rollers supports are provided with supported hole, and the supported hole inner hole surface is provided with interior roller support slot, the rolling
The periphery of sub- support member is provided with outer roller support slot, is equipped with the interior roller support slot and outer roller support slot some
Roller, the preceding port of export of the axis hole, which is fixed, be equipped with front supporting member limiting plate, and the rear port of export fixation of the axis hole is propped up after being equipped with
Support member limiting plate, front support hole corresponding with the axis hole is provided with the front supporting member limiting plate, the rear support is spacing
Rear support hole corresponding with the axis hole is provided with plate, the operating mechanism rotating shaft is in the axis hole with being mounted in rotation process
Some roller peripheries in interior roller support slot are in rolling contact, and some rollers in the outer roller support slot rotated
Axis hole bore area is in rolling contact described in Cheng Zhongyu.
Preferably, the interior roller support slot and outer roller support slot are with axis hole inner hole surface even circumferential arranged for interval, institute
The shaft centre line for stating interior roller support slot and outer roller support slot is parallel with the shaft centre line of axis hole.The Rollers supports are fixed
Or it is actively plugged in axis hole.Preferably, the operating mechanism rotating shaft and some rollers in the interior roller support slot
Periphery is circumscribed, some rollers in the outer roller support slot and the axis hole bore area inscribe.
Further, the roller installation supporting mechanism can also include front and rear panels, the front and rear panels difference
It is installed on the preceding exit end face and rear exit end face of the axis hole, preceding via corresponding with axis hole, back plate is provided with foreboard
On be provided with it is corresponding with axis hole after via, some rollers gather on axis hole endoporus disc side by side, and the operating mechanism turns
Axle is in rolling contact in the axis hole in rotation process with some roller peripheries, in some roller rotation processes with
The axis hole bore area is in rolling contact.Preferably, the operating mechanism rotating shaft and some roller periphery inscribes, it is described
Some rollers and the axis hole bore area are circumscribed, and some rollers gather mutually circumscribed on axis hole endoporus disc side by side.
Preferably, the shaft centre line of some rollers and axis hole centerline parallel, some roller both ends be respectively held against foreboard and
Back plate is limited.
Beneficial effect
The structure-improved of a kind of circuit breaker operation mechanism rotating shaft fixed form provided by the utility model, to existing breaker
The fixed form of operating mechanism rotating shaft is improved, and original sliding friction is changed into be in rolling contact friction, reduce part it
Between frictional force, make breaker close a floodgate when spring force be more delivered to contact system, improve combined floodgate efficiency, and
Safeguard installation fairly simple, reduce maintenance cost.
Brief description of the drawings
Accompanying drawing 1 is operating mechanism rotating shaft fixed form structural representation in the prior art；
Accompanying drawing 2 is supporting structure schematic diagram in the prior art；
Accompanying drawing 3 is operating mechanism rotating shaft fixed form structural representation in the utility model embodiment 1；
Accompanying drawing 4 is the medium-height trestle structural representation of the utility model embodiment 1；
Accompanying drawing 5 is roller structure schematic diagram in the utility model embodiment 1；
Accompanying drawing 6 is front limit plate structure schematic diagram in the utility model embodiment 1；
Accompanying drawing 7 is the medium-height trestle mounting structure schematic diagram of the utility model embodiment 1；
Accompanying drawing 8 is operating mechanism structural representation in the utility model embodiment 1；
Accompanying drawing 9 is the working state structure schematic diagram of the utility model embodiment 1
Accompanying drawing 10 is operating mechanism rotating shaft fixed form structural representation in the utility model embodiment 2；
Accompanying drawing 11 is operating mechanism rotating shaft fixed form decomposition texture schematic diagram in the utility model embodiment 2；
Accompanying drawing 12 is the medium-height trestle structural representation of the utility model embodiment 2；
Accompanying drawing 13 is Rollers supports structural representation in the utility model embodiment 2；
Accompanying drawing 14 is roller structure schematic diagram in the utility model embodiment 2；
Accompanying drawing 15 is the spacing plate structure schematic diagram of front supporting member in the utility model embodiment 2；
Accompanying drawing 16 is the mounting structure schematic diagram of the utility model embodiment 2；
Accompanying drawing 17 is operating mechanism rotating shaft fixed form structural representation in the utility model embodiment 4；
Accompanying drawing 18 is the medium-height trestle structural representation of the utility model embodiment 4；
Accompanying drawing 19 is roller structure schematic diagram in the utility model embodiment 4；
Accompanying drawing 20 is front board structure schematic diagram in the utility model embodiment 4；
Accompanying drawing 21 is the mounting structure schematic diagram of the utility model embodiment 4.
Embodiment
Embodiment of the present utility model, those of ordinary skill in the art energy are illustrated by particular specific embodiment below
The advantages of the utility model is other and effect are enough recognized by the content disclosed by this specification.
As shown in Figure 3, in order to intuitively illustrate in detail to the utility model, the utility model devises a kind of breaker
The structure improved first embodiment of operating mechanism rotating shaft fixed form, it includes support 1, as shown in Figure 4, the support 1
Axis hole 101 is provided with, the axis hole 101 is provided with roller installation supporting mechanism 2, and some rollers 3 are mounted in roller installation branch
It can be rotated on support mechanism 2, specifically, the roller installation supporting mechanism 2 includes front limit plate 201 and rear position margining plate is (attached
It is not shown on figure), the front limit plate 201 and rear position margining plate correspond to the preceding exit end face for being installed on axis hole 101 with after respectively
In the groove 101a of exit end face.As shown in Figure 6, preceding hole 201a corresponding with axis hole 101 is provided with front limit plate 201, after
It is provided with limiting plate and passes through axis hole 101 with 101 corresponding metapore of axis hole, some rollers 3, some rollers 3 is with axis hole
101 endoporus peripheries are evenly arranged, and in order to ensure the stabilization rotated, the shaft centre line of some rollers 3 is arranged to and axis hole
101 shaft centre line is parallel, and as shown in Figure 5, the both ends of some rollers 3 are provided with step card 301, and some rollers 3 pass through
In the neck 201a01 that step card 301 opens up in preceding hole 201a peritreme and the peritreme of metapore.Some rollers 3 are mounted in neck
It can be rotated in 201a01 around itself.Some rollers 3 are in rotation process in the bore area of periphery and axis hole 101
Cut, operating mechanism rotating shaft 4 can be rotated in the axis hole 101, if in the rotation process of operating mechanism rotating shaft 4 with it is described
Dry milling 3 peripheries of son are circumscribed.
As shown in accompanying drawing 7,8 and 9, after support 1 is attached by screws on circuit breaker base 5 in the present embodiment, operation
During carrying out point, closing a floodgate, the can of operating mechanism rotating shaft 4 rotates in axis hole 101, operates simultaneously for mechanism 6
During mechanism rotating shaft 4 rotates, some rollers 3 rotate, and the present embodiment plays fixed support to operating mechanism rotating shaft 4
The effect of positioning.
As shown in accompanying drawing 10 and 11, it is the roller installation supporting mechanism 2 that the utility model, which also provides second embodiment,
Structure can also be that it includes Rollers supports 202, the axle being inserted into as shown in Figure 2 of the activity of Rollers supports 202
In hole 101；As shown in Figure 13, the Rollers supports 202 are provided with supported hole 202a, in the supported hole 202a inner hole surfaces
Provided with interior roller support slot 202a01, the periphery of the Rollers supports 202 is provided with outer roller support slot 202b, interior roller
Support slot 202a01 and outer roller support slot 202b is with the inner hole surface even circumferential arranged for interval of axis hole 101, the interior roller support
Groove 202a01 and outer roller support slot 202b shaft centre line are parallel with the shaft centre line of axis hole 101.The interior roller support slot
Some rollers 3 ' as shown in Figure 14, the preceding outlet of the axis hole 101 are equipped with 202a01 and outer roller support slot 202b
End is fixed equipped with front supporting member limiting plate 203 as shown in Figure 15, and the rear port of export of the axis hole 101, which is fixed, is equipped with rear support
Part limiting plate 203a, front support hole 203a01 corresponding with the axis hole 101, institute are provided with the front supporting member limiting plate 203
State and rear support hole 203a02 corresponding with the axis hole 101 is provided with rear support limiting plate 203a, it is as shown in Figure 16, described
Some rollers 3 ' of the operating mechanism rotating shaft 4 in the axis hole 101 in rotation process with being mounted in interior roller support slot 202a01
Periphery it is circumscribed formation be in rolling contact, in some rotation processes of roller 3 ' in the outer roller support slot 202b with it is described
The bore area inscribe of axis hole 101 formed be in rolling contact, Rollers supports 202 in some rotation processes of roller 3 ' can simultaneously one
Rise and rotate.
As shown in Figure 16, after support 1 being attached by screws on circuit breaker base 5 in the present embodiment, operating mechanism 6
During carrying out point, closing a floodgate, the can of operating mechanism rotating shaft 4 rotates in axis hole 101, while operating mechanism turns
During axle rotates, some rollers 3 ' rotate, and the present embodiment plays fixed support positioning to operating mechanism rotating shaft 4
Effect.
It is 3rd embodiment that the utility model, which also provides a kind of deformation of above-mentioned second embodiment,；The Rollers supports
202 fixations are inserted into axis hole 101, and Rollers supports 202 are fixed in some rotation processes of roller 3 ', other works
It is identical with second embodiment process to make process.
As shown in Figure 17, fourth embodiment provided by the utility model is the structure of the roller installation supporting mechanism 2
Can also be that it includes foreboard 204 as shown in Figure 20 and back plate (being not shown on accompanying drawing), the foreboard 204 and back plate difference
It is installed on described as shown in Figure 18 on the preceding exit end face and rear exit end face of axis hole 101, is provided with foreboard 204 and axis hole
Preceding via 204a corresponding to 101, be provided with back plate it is corresponding with axis hole 101 after via, some rollers 3 ' as shown in Figure 19 '
Gather side by side mutually circumscribed on the endoporus disc of axis hole 101, as shown in Figure 21, the operating mechanism rotating shaft 4 is in the axis hole
Be in rolling contact in interior rotation process with the circumscribed formation of some roller peripheries, some rollers 3 ' ' in rotation process with
The bore area inscribe of axis hole 101 is in rolling contact.Some rollers 3 ' ' shaft centre line put down with the center line of axis hole 101
OK, its both ends is respectively held against foreboard 204 and back plate is limited.Support 1 is attached by screws to circuit breaker base 5 in the present embodiment
After upper, operating mechanism 6 during carrying out point, closing a floodgate, in axis hole 101 do rotation and transport by the can of operating mechanism rotating shaft 4
It is dynamic, while during the rotation of operating mechanism rotating shaft 3, some rollers 3 rotate, and the present embodiment is to operating mechanism rotating shaft 3
Play a part of fixed support positioning.
The structure-improved of a kind of circuit breaker operation mechanism rotating shaft fixed form provided by the utility model, to existing breaker
The fixed form of operating mechanism rotating shaft is improved, and original sliding friction is changed into be in rolling contact friction, reduce part it
Between frictional force, make breaker close a floodgate when spring force be more delivered to contact system, improve combined floodgate efficiency, and make
Installation maintenance is fairly simple, reduces maintenance cost.
Structure, ratio, size depicted in the present embodiment institute accompanying drawings etc., only coordinating in disclosed in specification
Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influenceing this practicality
Under the effect of type can be generated and the purpose that can reach, it all should still fall and obtain and can contain in the technology contents disclosed in the utility model
In the range of lid.It is meanwhile cited such as " on ", " under ", "left", "right", " centre ", " clockwise ", " inverse time in this specification
The term of pin " etc., understanding for narration is merely convenient to, and is not used to limit the enforceable scope of the utility model, its relative pass
System is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
Claims (14)
1. a kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form, it includes support, it is characterised in that：The support
Axis hole is provided with, the axis hole is provided with roller installation supporting mechanism, and some rollers are on roller installation supporting mechanism
It can rotate, operating mechanism rotating shaft can rotate in the axis hole, operating mechanism rotating shaft rotation process in axis hole
In be in rolling contact with some roller peripheries, some rollers on roller installation supporting mechanism in rotation process with institute
Axis hole bore area is stated to be in rolling contact.
A kind of 2. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 1, it is characterised in that：Institute
Stating roller installation supporting mechanism includes front limit plate and rear position margining plate, and the front limit plate and rear position margining plate are installed on institute respectively
State on the preceding exit end face and rear exit end face of axis hole, preceding hole corresponding with axis hole is provided with front limit plate, is opened on rear position margining plate
There is a metapore corresponding with axis hole, some rollers pass through axis hole, and some roller both ends are attached separately to preceding hole and metapore
In neck, some rollers can rotate in neck around itself.
A kind of 3. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 2, it is characterised in that:Institute
Some roller peripheries and axis hole bore area inscribe are stated, the operating mechanism rotating shaft and some roller peripheries are circumscribed.
A kind of 4. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 2, it is characterised in that:Institute
State some rollers to be evenly arranged with axis hole endoporus periphery, the shaft centre line of some rollers and the shaft centre line of axis hole are put down
OK, the both ends of some rollers are provided with step card, and some rollers are installed on the peritreme and metapore in preceding hole by step
In the neck opened up in peritreme.
A kind of 5. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 2, it is characterised in that：Institute
State front limit plate and rear position margining plate respectively correspond to be installed in the preceding exit end face of axis hole and the groove of rear exit end face.
A kind of 6. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 1, it is characterised in that：Institute
It can also include Rollers supports to state roller installation supporting mechanism, and the Rollers supports are inserted into axis hole, the roller
Support member is provided with supported hole, and the supported hole inner hole surface is provided with interior roller support slot, the periphery of the Rollers supports
Outer roller support slot is provided with, some rollers are equipped with the interior roller support slot and outer roller support slot, the axis hole
The preceding port of export, which is fixed, is equipped with front supporting member limiting plate, and the rear port of export of the axis hole, which is fixed, is equipped with rear support limiting plate, described
Front support hole corresponding with the axis hole is provided with front supporting member limiting plate, is provided with the rear support limiting plate and the axle
Rear support hole corresponding to hole, the operating mechanism rotating shaft is in the axis hole with being mounted in interior roller support slot in rotation process
Some roller peripheries are in rolling contact, in some roller rotation processes in the outer roller support slot with the axis hole
Hole surface is in rolling contact.
A kind of 7. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 6, it is characterised in that：Institute
Interior roller support slot and outer roller support slot are stated with axis hole inner hole surface even circumferential arranged for interval, the interior roller support slot and outer
The shaft centre line of roller support slot is parallel with the shaft centre line of axis hole.
A kind of 8. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 6, it is characterised in that：Institute
State that Rollers supports are fixed or movable to be inserted into axis hole.
A kind of 9. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 6, it is characterised in that：Institute
State operating mechanism rotating shaft and some roller peripheries in the interior roller support slot are circumscribed, supported mounted in the outer roller
Some rollers and the axis hole bore area inscribe in groove.
A kind of 10. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 1, it is characterised in that：
The roller installation supporting mechanism can also include front and rear panels, and the front and rear panels are installed on the axis hole respectively
Preceding exit end face and rear exit end face on, preceding via corresponding with axis hole is provided with foreboard, is provided with back plate corresponding with axis hole
Rear via, some rollers gather on axis hole endoporus disc side by side, and the operating mechanism rotating shaft turns in the axis hole
Be in rolling contact during dynamic with some roller peripheries, in some roller rotation processes with the axis hole bore area
It is in rolling contact.
A kind of 11. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 10, it is characterised in that：
The operating mechanism rotating shaft and some roller periphery inscribes, some rollers and the axis hole bore area are circumscribed,
Some rollers gather mutually circumscribed on axis hole endoporus disc side by side.
A kind of 12. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 10, it is characterised in that：
The shaft centre line of some rollers and axis hole centerline parallel.
A kind of 13. structure-improved of circuit breaker operation mechanism rotating shaft fixed form as claimed in claim 10, it is characterised in that：
Some roller both ends are respectively held against front and rear panels and are limited.
14. the structure-improved of a kind of circuit breaker operation mechanism rotating shaft fixed form described in any one claim as described above, its
It is characterised by：The support is fixed on circuit breaker base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728074.6U CN206961770U (en) | 2017-06-21 | 2017-06-21 | A kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728074.6U CN206961770U (en) | 2017-06-21 | 2017-06-21 | A kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961770U true CN206961770U (en) | 2018-02-02 |
Family
ID=61385153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728074.6U Active CN206961770U (en) | 2017-06-21 | 2017-06-21 | A kind of structure-improved of circuit breaker operation mechanism rotating shaft fixed form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961770U (en) |
-
2017
- 2017-06-21 CN CN201720728074.6U patent/CN206961770U/en active Active
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