CN208352229U - Spring operating mechanism and breaker - Google Patents
Spring operating mechanism and breaker Download PDFInfo
- Publication number
- CN208352229U CN208352229U CN201820743415.1U CN201820743415U CN208352229U CN 208352229 U CN208352229 U CN 208352229U CN 201820743415 U CN201820743415 U CN 201820743415U CN 208352229 U CN208352229 U CN 208352229U
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- China
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- spring
- core rod
- spring core
- connecting lever
- separating brake
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Abstract
The utility model relates to a kind of spring operating mechanism and breakers, breaker includes contact and spring operating mechanism, the spring operating mechanism includes main shaft, the separating brake connecting lever being connected with main shaft, Buffer Unit, spring core rod and tripping spring, spring core rod is connect with separating brake connecting lever by pin shaft, and the spring core rod is configured with the guide holder for moving it along its length, one in separating brake connecting lever and spring core rod is equipped with the long hole cooperated with pin shaft, so that the pendulum motion of separating brake connecting lever and the linear motion of spring core rod are non-interference, the Buffer Unit meets side head-on with vertical with the spring core rod.The reset response of tripping spring in the breaker course of work, spring core rod is set to hold down linear motion in long hole and leading for guide holder, reduce lateral impact of the spring core rod to Buffer Unit, extend the service life of Buffer Unit, the linear motion of spring core rod keeps the parameter of breaker more stable simultaneously, improves the safety and reliability in the mechanical property and use process of breaker.
Description
Technical field
The utility model relates to a kind of spring operating mechanism and breakers.
Background technique
Breaker is the important electric device for cut-offfing/being closed for electric loop in distribution network, when electric loop occurs
When failure, can fast and accurately disengagement failure circuit, guarantee power circuit safe and stable operation.Spring mechanism of circuit breaker energy storage
Afterwards, operated manually or electrically make mechanism close a floodgate to thread off, energy-stored spring energy discharges rapidly, and makes breaker primary circuit close a floodgate, machine
Structure is maintained at closing position, meanwhile, tripping spring stretches or compression modification, gets ready for breaker open operation；When needing separating brake,
Mechanism separating brake is operated manually or electrically set to thread off, tripping spring energy discharges rapidly, make breaker primary circuit separating brake, meanwhile,
Buffer Unit is housed in separating brake connecting lever direction of motion end, for absorbing tripping spring excess energy, protection mechanism is not by separating brake
Spring impacts bring injury.
Existing breaker is using lateral pressure spring structure separating brake energy storage, and as shown in Figure 1 to Figure 3,12 one end of tripping spring is pressed in
On spring base 6 with holes, spring base 6 with holes is worn together by pin shaft 5 and the separating brake connecting lever 1 being welded on main shaft 7, and bullet with holes
Spring abutment 6 is clipped among two separating brake connecting levers 1, and buffering mounting plate 3 is welded on bottom plate 4, and Buffer Unit 2 is transversely mounted on buffering installation
On plate 3, when sub-switching operation, Buffer Unit 2 absorbs 12 excess energy of tripping spring, and mechanism stops at open position.
Due in above-mentioned existing breaker separating brake connecting lever and spring base with holes swing around main-shaft axis, spring base with holes hits
There is the angle centainly swung upward when hitting Buffer Unit, lateral impact upward generated to Buffer Unit, injury mitigation component, long
And the long service life that will affect Buffer Unit, so that the curve stroke in tripping spring reseting procedure is shortened or is extended, in turn
Cause circuit breaker parameters unstable, influence the mechanical property of breaker, reduces the safety and reliability in its use process.
Utility model content
The purpose of this utility model is to provide a kind of reduction Buffer Unit lateral impacts, extend Buffer Unit service life
Spring operating mechanism and breaker.
To achieve the above object, the technical solution of the utility model spring operating mechanism is: being connected including main shaft, with main shaft
Separating brake connecting lever, Buffer Unit, spring core rod and the tripping spring being mounted on spring core rod, described spring core rod one end and bottom
Seat connection, the other end are connect with the separating brake connecting lever by pin shaft, and the spring core rod is configured with for making it along its length
The guide holder of linear motion, one in the separating brake connecting lever and the spring core rod is equipped with the long hole cooperated with the pin shaft,
Another is fixed relative to pin shaft position, so that the pendulum motion of separating brake connecting lever and the linear motion of spring core rod are non-interference,
Buffer Unit meets side head-on with vertical with spring core rod.
The beneficial effects of the utility model are: spring core rod is under the reset response of tripping spring, drive separating brake connecting lever around
Main-shaft axis is swung, and makes spring core rod stop motion, in the process of movement, spring core by spring core rod shock Buffer Unit
Bar keeps linear motion under the action of guide holder, and frontal impact reduces the lateral impact to Buffer Unit on Buffer Unit,
Extend the service life of Buffer Unit.
Above-mentioned long hole is located on the separating brake connecting lever, and the pin shaft can move in the long hole, and separating brake connecting lever is around spindle shaft
During string pendulum is dynamic, under spring force effect, pin shaft can move in long hole, and spring core rod is made to be able to maintain straight line fortune
It is dynamic.
Above-mentioned pin shaft is fixed relative to the spring core rod position, and the guide holder is equipped with and leads with what the pin shaft cooperated
To slideway, pin shaft drives the spring core rod fixed with pin shaft position to move in a straight line under the guiding role of guide slide.
Above-mentioned guide slide is long guiding hole, and the pin shaft can move in the long guiding hole, long guiding hole and pin shaft
Cooperation, makes pin shaft be not easy to deviate from out of long guiding hole, it is ensured that the reliability in motion process.
Above-mentioned guide holder has the side wall opposite with spring core rod, and Buffer Unit is set on the side wall, is convenient for spring core rod
In the form of linear motion, frontal impact is on Buffer Unit.
To achieve the above object, the technical solution of the utility model breaker is:, should including contact and spring operating mechanism
Spring operating mechanism includes main shaft, the separating brake connecting lever being connected with main shaft, Buffer Unit, spring core rod and is mounted on spring core rod
Tripping spring, described spring core rod one end connect with pedestal, and the other end is connect with the separating brake connecting lever by pin shaft, the bullet
Spring core bar is configured with guide holder for making it move along a straight line along its length, in the separating brake connecting lever and the spring core rod
One is equipped with the long hole cooperated with the pin shaft, another is fixed relative to the pin shaft position, so that the pendulum of the separating brake connecting lever
Dynamic movement is non-interference with the linear motion of the spring core rod, and the Buffer Unit has vertical with the spring core rod meet head-on
Side.
Above-mentioned long hole is located on the separating brake connecting lever.
Above-mentioned pin shaft is fixed relative to the spring core rod position, and the guide holder is equipped with and leads with what the pin shaft cooperated
To slideway.
Above-mentioned guide slide is long guiding hole, and the pin shaft can move in the long guiding hole.
Above-mentioned guide holder has the side wall opposite with the spring core rod, and the Buffer Unit is set on the side wall.
The beneficial effect of the utility model breaker is identical as above-mentioned spring operating mechanism effect, and spring core rod is in separating brake bullet
Under the reset response of spring, separating brake connecting lever is driven to swing around main-shaft axis, and hit Buffer Unit by spring core rod to make spring core rod
Stop motion, in the process of movement, spring core rod keep linear motion under the action of guide holder, and frontal impact is in buffering group
On part, reduces the lateral impact to Buffer Unit, extend the service life of Buffer Unit, while the linear motion of spring core rod makes open circuit
The parameter of device is more stable, improves the safety and reliability in the mechanical property and use process of breaker.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of breaker in the prior art；
Fig. 2 is buffering mounting plates structure schematic diagram in the prior art；
Fig. 3 is separating brake crank arm structure schematic diagram in the prior art；
Fig. 4 is the structural schematic diagram of breaker in the utility model；
Fig. 5 is the buffering mounting plates structure schematic diagram in the utility model；
Fig. 6 is the separating brake crank arm structure schematic diagram in the utility model；
Fig. 7 relation schematic diagram between each components in the utility model embodiment 3；
Fig. 8 relation schematic diagram between each components in the utility model embodiment 4.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the breaker of the utility model, as shown in Figures 4 to 6, including contact (being not drawn into figure) and
Spring operating mechanism, the spring operating mechanism include main shaft 7, tripping spring 12, Buffer Unit 2 and point being welded on main shaft 7
Lock connecting lever 8, tripping spring 12 are mounted on spring core rod 13, and 13 one end of spring core rod is connect with pedestal 4, and the other end is equipped with bullet
Spring abutment 6, spring base 6 is connect with separating brake connecting lever 8 by pin shaft 5, and spring base 6 is located among two separating brake connecting levers 8, separating brake connecting lever
8 are equipped with long hole 11, and pin shaft 5 can move in the long hole 11, and 5 opposed spring seats of pin shaft, 6 position is fixed.The mechanism further includes
The buffering mounting plate 9 being welded on pedestal 4, the guide slide cooperated with pin shaft 5 is provided on the buffering mounting plate 9, and the guiding is sliding
Road is specially long guiding hole 10, and the buffering mounting plate 9 with the long guiding hole 10 forms what guide spring core bar 13 moved along a straight line
Guide holder, pin shaft 5 can move along a straight line in the long guiding hole 10, long guiding hole 10, the long hole 11 on separating brake connecting lever 8 with
Pin shaft 5, which cooperates, keeps the movement between the separating brake connecting lever 8 that main shaft 7 is swung and the spring core rod 13 to move along a straight line non-interference.
There is the side wall opposite with the spring base 6 on spring core rod 13 on buffering mounting plate 9, Buffer Unit 2 and the side wall are laterally connected, make
During spring core rod 13 moves along a straight line, 6 front of spring base is hit with the Buffer Unit 2.
Under circuit normal operating conditions where above-mentioned breaker, 12 energy storage of tripping spring is simultaneously in stretching or compression shape
State, after the separating brake tripping of breaker, which resets under own resilient effect, and energy discharges rapidly, and drives separating brake
Connecting lever 8 is around the axis oscillating of main shaft 7, and pin shaft 5 can move in the long hole 11 of separating brake connecting lever 8 during swing, grows in guiding
It under the guiding role in hole 10, move spring core rod 13 and pin shaft 5 can only linearly, finally by 2 buffering elastic of Buffer Unit
The motion inertia force of spring core bar 13 and separating brake connecting lever 8 makes its stop motion.During this, due to long hole 11 on separating brake connecting lever 8
With the long guiding hole 10 on buffering mounting plate 9 to the guiding role of 5 track of pin shaft, transport spring core rod 13 linearly always
It is dynamic, it is finally impinged upon on Buffer Unit 2 by spring base 6, one only is generated along 12 length direction of tripping spring to Buffer Unit 2
Impact, avoid in 12 reseting procedure of tripping spring spring base 6 from generating lateral impact to Buffer Unit 2, and influence Buffer Unit 2
Service life, while the linear motion of spring core rod 13 stablizes the kinematic parameter of breaker, it is ensured that breaker was using
Safety and reliability in journey.
As the embodiments of the present invention 2, be with the difference of embodiment 1: pin shaft is integral type knot with spring base
Structure, the long hole on separating brake connecting lever are blind hole, and the pin shaft on spring base is oriented to by the blind hole on separating brake connecting lever, make spring base along straight line
Movement, this structure reduce assembly material, keep assembling process simple.
As the embodiments of the present invention 3, it is with the difference of embodiment 1: as shown in fig. 7, the setting of long hole 11 exists
On the spring base 6 of spring core rod 13,5 position of pin shaft is fixed with respect to separating brake connecting lever 8, and the pin shaft 5 can move in long hole 11, lead
It play the guiding role to long hole 10 to spring core rod 13, while spring core rod 13 and separating brake connecting lever 8 move, separating brake connecting lever 8 and pin
Axis 5 spring core rod 13 can move under the guiding of long hole 11 relatively in spring core rod 13, and this movement does not influence spring core rod 13
The track of linear motion is kept under the effect of long guiding hole 10, this scheme, which also can solve, reduces asking for Buffer Unit lateral impact
Topic.
As the embodiments of the present invention 4, it is with the difference of embodiment 1: as shown in figure 8, the setting of long hole 11 exists
On the spring base 6 of spring core rod 13,5 position of pin shaft is fixed with respect to separating brake connecting lever 8, and the pin shaft 5 can move in long hole 11, bullet
Spring core bar 13 includes guiding extension rod 15, which is built in the guide sleeve 14 being fixed on bottom plate, the guiding
Set 14 constitutes the guide holder for making spring core rod 13 move along a straight line, under the action of guide sleeve 14 and long hole 11, spring core rod 13
Linear motion and separating brake connecting lever 8 it is non-interference around the swing of main shaft 7, this scheme also can solve reduce Buffer Unit lateral impact
The problem of.
As the embodiments of the present invention 5, it is with the difference of embodiment 3 and embodiment 4: pin shaft and separating brake connecting lever
It is structure as a whole, this structure reduces assembly material, keeps assembling process simple.
As the embodiments of the present invention 6, be with the difference of embodiment 1: guide slide is to make spring core rod edge
The guiding groove of linear motion.
The specific embodiment of the spring operating mechanism of the utility model is the same as the spring operating mechanism in above-mentioned breaker
Specific embodiment is identical, and details are not described herein.
Claims (10)
1. a kind of spring operating mechanism, including main shaft, the separating brake connecting lever, Buffer Unit, spring core rod and the installation that are connected with main shaft
Tripping spring on spring core rod, described spring core rod one end are connect with pedestal, and the other end and the separating brake connecting lever pass through pin
Axis connection, it is characterised in that: the spring core rod is configured with guide holder for making it move along a straight line along its length, and described point
One in lock connecting lever and the spring core rod is equipped with the long hole cooperated with the pin shaft, another is relative to the pin shaft position
Fixed, so that the pendulum motion of the separating brake connecting lever and the linear motion of the spring core rod are non-interference, the Buffer Unit has
Vertical with the spring core rod meets side head-on.
2. spring operating mechanism according to claim 1, it is characterised in that: the long hole is located on the separating brake connecting lever.
3. spring operating mechanism according to claim 2, it is characterised in that: the pin shaft is relative to the spring core rod position
Fixation is set, the guide holder is equipped with the guide slide cooperated with the pin shaft.
4. spring operating mechanism according to claim 3, it is characterised in that: the guide slide is long guiding hole, described
Pin shaft can move in the long guiding hole.
5. spring operating mechanism according to claim 1-4, it is characterised in that: the guide holder has and spring
The opposite side wall of core bar, Buffer Unit are set on the side wall.
6. a kind of breaker, including contact and spring operating mechanism, which includes main shaft, point connected with main shaft
Lock connecting lever, Buffer Unit, spring core rod and the tripping spring being mounted on spring core rod, described spring core rod one end and pedestal connect
It connects, the other end is connect with the separating brake connecting lever by pin shaft, it is characterised in that: the spring core rod is configured with for making it along length
The guide holder for spending direction linear motion, one in the separating brake connecting lever and the spring core rod is equipped with and cooperates with the pin shaft
Long hole, another is fixed relative to the pin shaft position, so that the straight line of the pendulum motion of the separating brake connecting lever and the spring core rod
Move non-interference, the Buffer Unit, which has, vertical with the spring core rod meets side head-on.
7. breaker according to claim 6, it is characterised in that: the long hole is located on the separating brake connecting lever.
8. breaker according to claim 7, it is characterised in that: the pin shaft is solid relative to the spring core rod position
Fixed, the guide holder is equipped with the guide slide cooperated with the pin shaft.
9. breaker according to claim 8, it is characterised in that: the guide slide is long guiding hole, and the pin shaft can
It is moved in the long guiding hole.
10. according to the described in any item breakers of claim 6-9, it is characterised in that: the guide holder has and the spring
The opposite side wall of core bar, the Buffer Unit are set on the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743415.1U CN208352229U (en) | 2018-05-18 | 2018-05-18 | Spring operating mechanism and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743415.1U CN208352229U (en) | 2018-05-18 | 2018-05-18 | Spring operating mechanism and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352229U true CN208352229U (en) | 2019-01-08 |
Family
ID=64889692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820743415.1U Active CN208352229U (en) | 2018-05-18 | 2018-05-18 | Spring operating mechanism and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511286A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and breaker |
-
2018
- 2018-05-18 CN CN201820743415.1U patent/CN208352229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511286A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and breaker |
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| GR01 | Patent grant |