CN104576096A - Spring operating mechanism and breaker adopting same - Google Patents
Spring operating mechanism and breaker adopting same Download PDFInfo
- Publication number
- CN104576096A CN104576096A CN201410819385.4A CN201410819385A CN104576096A CN 104576096 A CN104576096 A CN 104576096A CN 201410819385 A CN201410819385 A CN 201410819385A CN 104576096 A CN104576096 A CN 104576096A
- Authority
- CN
- China
- Prior art keywords
- buckle
- energy storage
- output shaft
- buckle arm
- semiaxis
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3031—Means for locking the spring in a charged state
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a spring operating mechanism and a breaker adopting the same. The spring operating mechanism comprises a closing half shaft, an output shaft, an energy storage shaft provided with an energy storage shaft cam as well as a closing buckle plate, wherein an energy storage keeping roller is arranged on the energy storage shaft cam; the closing buckle plate comprises a buckle plate body as well as a first buckle plate arm and a second buckle plate arm which are arranged on the buckle plate body; a locking bulge is arranged on the output shaft; a bulge matching side surface is arranged on the first buckle plate arm; a roller matching side surface and a half shaft matching side surface are arranged on the second buckle plate arm; in a rotating process with the output shaft, the locking bulge has a locking work station in blocking matching with the bulge matching side surface to enable the roller matching side surface and the energy storage keeping roller to be in blocking matching as well as a yielding work station yielding the first buckle plate arm. With the adoption of the spring operating mechanism and the breaker adopting the same, the problem that the spring operating mechanism has multiple parts and a complicated structure due to separated arrangement of an energy storage latch and a closing locking plate in the prior art is solved.
Description
Technical field
The present invention relates to spring operating mechanism and use the circuit breaker of this spring operating mechanism.
Background technology
Spring operating mechanism has the outstanding advantages such as the principle of work and power is simple, cost is low, energy storage is reliable and stable, is widely used in all kinds of switchgear.Existing spring operating mechanism comprises combined floodgate semiaxis, energy storage axle and the output shaft that pivot center extends in left-right direction, energy storage axle is provided with energy storage axis cam, output shaft is provided with output shaft connecting lever, output shaft connecting lever and energy storage axis cam are in transmission connection, when needing to close a floodgate, switching-in spring drives energy storage axle to rotate counterclockwise, and energy storage axis cam drives output shaft to export feed motion by pushing tow output shaft connecting lever, output shaft is in transmission connection with each phase moving contact of circuit breaker.Causing the main cause of switchgear " refuse, malfunction " during the fault of spring operating mechanism, therefore in order to improve the reliability of switchgear further, needing the reliability improving spring operating mechanism further.In order to prevent again closing a floodgate because of misoperation during the non-separating brake of circuit breaker, general spring operating mechanism is equipped with special closing locking plate, after dynamic and static contact closes a floodgate, closing locking plate fastens combined floodgate semiaxis, thus can not again close a floodgate when realizing the non-separating brake of circuit breaker.When needs spring operating mechanism is closed a floodgate, manually button or solenoid actuated combined floodgate semiaxis rotate, realize the dropout that energy storage keeps pallet, energy storage axle drives output shaft rotation thus realizes closing operation, then need to keep pallet to carry out reset operation by torsion spring to energy storage, for next energy storage is prepared, closing locking plate now prevents from again closing a floodgate because of misoperation during the non-separating brake of circuit breaker.Existing this spring actuating structure Problems existing is: energy storage keeps pallet and these two parts of closing locking plate to be provided separately, also need to keep pallet to arrange reduction torsion spring to energy storage simultaneously, this can cause spring operating mechanism parts more, complex structure, causes fail safe, stability when closing a floodgate lower.
Summary of the invention
The object of the present invention is to provide a kind of spring operating mechanism, keep pallet and the split of closing locking plate to arrange and cause the how baroque problem of spring operating mechanism parts to solve energy storage in prior art; The present invention also aims to provide a kind of circuit breaker using spring operating mechanism.
In order to solve the problem, in the present invention, the technical scheme of spring operating mechanism is:
Spring operating mechanism, comprise the combined floodgate semiaxis be arranged in parallel, output shaft and the energy storage axle driving output shaft output feed motion when rotating counterclockwise, energy storage axle is provided with energy storage axis cam, energy storage axis cam is provided with energy storage and keeps roller, spring operating mechanism also comprises pivot center and energy storage axle, the combined floodgate buckle of the axis being parallel setting of output shaft, combined floodgate buckle comprises buckle body and head end is arranged on buckle body, end is radially towards the first buckle arm overhang away from buckle body direction and the second buckle arm, output shaft is provided with locking projection, first buckle arm has male cooperation side, second buckle arm having roller coordinates side and semiaxis to coordinate side, locking is protruding to be had in output shaft rotation process and coordinates to make roller coordinate side and energy storage to keep roller block to coordinate with described male cooperation side block, the locking working position that semiaxis coordinates side and combined floodgate semiaxis to depart from and make the second buckle arm stop energy storage axis cam to rotate counterclockwise makes energy storage keep roller by the second buckle arm pushing tow to combined floodgate semiaxis gets out of the way working position with getting out of the way described first buckle arm.
Described output shaft is provided with integrated for energy storage axis cam pushing tow coordinate realize energy storage axis protruding with locking and exports driven off by shaft output shaft connecting lever.
Being provided with head end between first buckle arm and the second buckle arm and being arranged at end on buckle body radially towards the 3rd buckle arm overhang away from buckle body direction, side, side relative with the first buckle arm on the 3rd buckle arm having for coordinating side section with described output shaft connecting lever spacing cooperation with the connecting lever limiting combined floodgate buckle rotational limitation along clockwise direction.
Described male cooperation side is arcuate flanks.
Described roller coordinates side to coordinate side to be connected with semiaxis, and roller cooperation side, semiaxis cooperation side are all arranged at the one end away from buckle body on the second buckle arm.
In the present invention, the technical scheme of circuit breaker is:
Circuit breaker, comprise spring operating mechanism, spring operating mechanism comprises the combined floodgate semiaxis be arranged in parallel, output shaft and the energy storage axle driving output shaft output feed motion when rotating counterclockwise, energy storage axle is provided with energy storage axis cam, energy storage axis cam is provided with energy storage and keeps roller, spring operating mechanism also comprises pivot center and energy storage axle, the combined floodgate buckle of the axis being parallel setting of output shaft, combined floodgate buckle comprises buckle body and head end is arranged on buckle body, end is radially towards the first buckle arm overhang away from buckle body direction and the second buckle arm, output shaft is provided with locking projection, first buckle arm has male cooperation side, second buckle arm having roller coordinates side and semiaxis to coordinate side, locking is protruding to be had in output shaft rotation process and coordinates to make roller coordinate side and energy storage to keep roller block to coordinate with described male cooperation side block, the locking working position that semiaxis coordinates side and combined floodgate semiaxis to depart from and make the second buckle arm stop energy storage axis cam to rotate counterclockwise makes energy storage keep roller by the second buckle arm pushing tow to combined floodgate semiaxis gets out of the way working position with getting out of the way described first buckle arm.
Described output shaft is provided with integrated for energy storage axis cam pushing tow coordinate realize energy storage axis protruding with locking and exports driven off by shaft output shaft connecting lever.
Being provided with head end between first buckle arm and the second buckle arm and being arranged at end on buckle body radially towards the 3rd buckle arm overhang away from buckle body direction, side, side relative with the first buckle arm on the 3rd buckle arm having for coordinating side section with described output shaft connecting lever spacing cooperation with the connecting lever limiting combined floodgate buckle rotational limitation along clockwise direction.
Described male cooperation side is arcuate flanks.
Described roller coordinates side to coordinate side to be connected with semiaxis, and roller cooperation side, semiaxis cooperation side are all arranged at the one end away from buckle body on the second buckle arm.
Beneficial effect of the present invention is: when the non-separating brake of circuit breaker, now locking projection is in locking working position, locking protruding cooperation with the male cooperation side block on the first buckle arm rotates counterclockwise to limit combined floodgate buckle, the roller on the second buckle arm of buckle of now closing a floodgate coordinates side to keep roller block to coordinate with energy storage to rotate counterclockwise to limit energy storage axis cam, corresponding switching-in spring is held in energy storage state, semiaxis coordinates side and combined floodgate semiaxis to depart from simultaneously, even if owing to there is misoperation, combined floodgate semiaxis also only can dally and combined floodgate buckle can not be caused to thread off and discharge the energy of switching-in spring, when after breaker open operation, locking protruding with output shaft rotation to getting out of the way working position, now locking projection is block combined floodgate buckle no longer, energy storage keeps roller promotion combined floodgate buckle to rotate counterclockwise, semiaxis is made to coordinate side to coordinate with combined floodgate semiaxis block, now due to by combined floodgate semiaxis block, therefore combined floodgate buckle can not continue to rotate counterclockwise, energy storage axis cam can not continue to rotate counterclockwise, when needs close a floodgate, combined floodgate semiaxis rotates and coordinates with semiaxis side to depart from, now owing to having lacked the block of combined floodgate semiaxis, combined floodgate buckle gets out of the way energy storage and keeps roller, storage axis cam is rotated counterclockwise and drives output shaft to export feed motion.Combined floodgate buckle in the present invention can either play energy storage and keep the effect of pallet can play again the effect of closing locking protection; a part is used to achieve two functions; decrease the amount of parts of spring operating mechanism, reduce the complex structure degree of spring operating mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation when locking projection is in locking working position in an embodiment of spring operating mechanism in the present invention;
Fig. 2 is that in an embodiment of spring operating mechanism in the present invention, locking projection is in structural representation when getting out of the way working position;
Fig. 3 is structural representation when switching-in spring releases energy in an embodiment of spring operating mechanism in the present invention;
Fig. 4 is the structural representation of non-energy storage state of closing a floodgate in an embodiment of spring operating mechanism in the present invention;
Fig. 5 is the structural representation of buckle of closing a floodgate in Fig. 1.
Embodiment
The embodiment of circuit breaker is as shown in Fig. 1 ~ 5: comprise spring operating mechanism, comprise the combined floodgate semiaxis 3 be arranged in parallel, output shaft 9, energy storage axle 10 and combined floodgate buckle rotating shaft 7, combined floodgate semiaxis 4 is provided with combined floodgate baffle plate 2, combined floodgate baffle plate is other is provided with making electromagnet 1, output shaft 9 is provided with output shaft connecting lever, output shaft connecting lever is provided with connecting lever roller 11, energy storage axle is provided with for coordinating with the energy storage axis cam 3 driving output shaft to export feed motion when energy storage axle rotates counterclockwise with connecting lever roller 11 pushing tow on output shaft connecting lever, energy storage axis cam is provided with energy storage and keeps roller 5, the rotating shaft of combined floodgate buckle is provided with combined floodgate buckle 6, combined floodgate buckle comprises buckle body and head end and to be arranged on buckle body end radially towards the first buckle arm 14 overhang away from buckle body direction, second buckle arm 16 and the 3rd buckle arm 13, 3rd buckle arm is between the first buckle arm and the second buckle arm, output shaft connecting lever is wholely set locking projection 8, side, side relative with the 3rd buckle arm 13 on first buckle arm 14 is the male cooperation side 17 of arcuate structure, the connecting lever that side, side relative with the first buckle arm on 3rd buckle arm 13 has arc coordinates side section 18, second buckle arm is provided with connected roller cooperation side 15 and semiaxis cooperation side 12 away from one end of buckle body, semiaxis coordinates side to be formed by chamfering structure, the top of locking projection is cambered surface, locking is protruding to be had locking working position and gets out of the way working position in output shaft rotation process, when locking projection is in locking working position as shown in Figure 1, locking projection coordinates with the male cooperation side pushing tow on the first buckle arm, combined floodgate buckle can not rotate counterclockwise, and the roller of the second buckle arm coordinates side to keep roller pushing tow to coordinate with energy storage rotating counterclockwise to limit energy storage axis cam, the semiaxis of the second buckle arm coordinates side then to depart from combined floodgate semiaxis, now after switching-in spring storage power, there is the trend that energy storage axis cam is rotated counterclockwise, but due to the position-limiting action of the second buckle arm, energy storage axis cam can not rotate counterclockwise and switching-in spring be released energy, simultaneously because combined floodgate semiaxis and the second buckle arm are separated, even if therefore operating personnel's misoperation, combined floodgate semiaxis also only can dally, can't cause and again close a floodgate.When spring operating mechanism separating brake, output shaft rotates counterclockwise and drives locking to be raised to and gets out of the way working position as shown in Figure 2, now owing to having lacked the spacing of locking projection, energy storage axis cam rotates counterclockwise low-angle for promotion combined floodgate buckle, until semiaxis coordinates side pushing tow combined floodgate semiaxis, spacing now due to combined floodgate semiaxis, energy storage axis cam can not continue rotate counterclockwise and switching-in spring is released energy.When needing to close a floodgate, combined floodgate semiaxis rotates and coordinates side to depart from as shown in Figure 3 with the semiaxis of the second buckle arm, now combined floodgate buckle is no longer spacing to energy storage axis cam, drive energy storage axis cam rotates counterclockwise by switching-in spring, energy storage axis cam pushing tow output shaft connecting lever, output shaft connecting lever drives output shaft rotate clockwise and export feed motion.Rotate clockwise in process at output shaft, locking projection also rotates clockwise with output shaft, now locking projection can make combined floodgate buckle rotate clockwise reset as shown in Figure 4 by pushing tow male cooperation side, and the 3rd buckle arm can prevent the instantaneous pin of combined floodgate buckle transition from rotating with output shaft connecting lever spacing cooperation.
Locking project through coordinate with the first buckle arm pushing tow and realize combined floodgate buckle thread off after reset, locking is protruding is cast as a part with output shaft connecting lever, decreases number of spare parts, improves reliability; Spring operating mechanism close a floodgate energy storage position time, locking projection can be carried out spacing to combined floodgate buckle, now the roller of the second buckle arm coordinates side to keep roller block to coordinate with energy storage, the semiaxis of the second buckle arm coordinates side and combined floodgate semiaxis to depart from, prevent spring operating mechanism from also again closing a floodgate under "on" position, realize combined floodgate mechanical latching; 3rd buckle arm is used for coordinating with output shaft connecting lever is spacing, prevent transition in combined floodgate buckle reseting procedure from rotating clockwise, ensure when extreme position, when namely locking projection is with male cooperation side block, again closes a floodgate after energy storage and keep roller to coordinate with roller side block to coordinate.In other embodiment of this circuit breaker: the 3rd buckle arm also can not be established, now can reduction torsion spring be set between combined floodgate buckle and the rotating shaft of combined floodgate buckle or manually combined floodgate buckle be resetted; Locking is protruding also can be arranged with output shaft connecting lever in split; Roller coordinates side to coordinate side also can not be connected with semiaxis.
The embodiment of spring operating mechanism is as shown in Fig. 1 ~ 5: the concrete structure of spring operating mechanism is identical with the spring operating mechanism described in above-mentioned each circuit breaker embodiment, again no longer describes in detail.
Claims (10)
1. spring operating mechanism, comprise the combined floodgate semiaxis be arranged in parallel, output shaft and the energy storage axle driving output shaft output feed motion when rotating counterclockwise, energy storage axle is provided with energy storage axis cam, it is characterized in that: energy storage axis cam is provided with energy storage and keeps roller, spring operating mechanism also comprises pivot center and energy storage axle, the combined floodgate buckle of the axis being parallel setting of output shaft, combined floodgate buckle comprises buckle body and head end is arranged on buckle body, end is radially towards the first buckle arm overhang away from buckle body direction and the second buckle arm, output shaft is provided with locking projection, first buckle arm has male cooperation side, second buckle arm having roller coordinates side and semiaxis to coordinate side, locking is protruding to be had in output shaft rotation process and coordinates to make roller coordinate side and energy storage to keep roller block to coordinate with described male cooperation side block, the locking working position that semiaxis coordinates side and combined floodgate semiaxis to depart from and make the second buckle arm stop energy storage axis cam to rotate counterclockwise makes energy storage keep roller by the second buckle arm pushing tow to combined floodgate semiaxis gets out of the way working position with getting out of the way described first buckle arm.
2. spring operating mechanism according to claim 1, is characterized in that: described output shaft is provided with integrated for energy storage axis cam pushing tow coordinate realize energy storage axis protruding with locking and exports driven off by shaft output shaft connecting lever.
3. spring operating mechanism according to claim 2, it is characterized in that: be provided with head end between the first buckle arm and the second buckle arm and be arranged at end on buckle body radially towards the 3rd buckle arm overhang away from buckle body direction side, side relative with the first buckle arm on the 3rd buckle arm having for coordinating side section with described output shaft connecting lever spacing cooperation with the connecting lever limiting combined floodgate buckle rotational limitation along clockwise direction.
4. spring operating mechanism according to claim 1, is characterized in that: described male cooperation side is arcuate flanks.
5. the spring operating mechanism according to claim 1 ~ 4 any one, is characterized in that: described roller coordinates side to coordinate side to be connected with semiaxis, and roller cooperation side, semiaxis cooperation side are all arranged at the one end away from buckle body on the second buckle arm.
6. circuit breaker, comprise spring operating mechanism, spring operating mechanism comprises the combined floodgate semiaxis be arranged in parallel, output shaft and the energy storage axle driving output shaft output feed motion when rotating counterclockwise, energy storage axle is provided with energy storage axis cam, it is characterized in that: energy storage axis cam is provided with energy storage and keeps roller, spring operating mechanism also comprises pivot center and energy storage axle, the combined floodgate buckle of the axis being parallel setting of output shaft, combined floodgate buckle comprises buckle body and head end is arranged on buckle body, end is radially towards the first buckle arm overhang away from buckle body direction and the second buckle arm, output shaft is provided with locking projection, first buckle arm has male cooperation side, second buckle arm having roller coordinates side and semiaxis to coordinate side, locking is protruding to be had in output shaft rotation process and coordinates to make roller coordinate side and energy storage to keep roller block to coordinate with described male cooperation side block, the locking working position that semiaxis coordinates side and combined floodgate semiaxis to depart from and make the second buckle arm stop energy storage axis cam to rotate counterclockwise makes energy storage keep roller by the second buckle arm pushing tow to combined floodgate semiaxis gets out of the way working position with getting out of the way described first buckle arm.
7. circuit breaker according to claim 6, is characterized in that: described output shaft is provided with integrated for energy storage axis cam pushing tow coordinate realize energy storage axis protruding with locking and exports driven off by shaft output shaft connecting lever.
8. circuit breaker according to claim 7, it is characterized in that: be provided with head end between the first buckle arm and the second buckle arm and be arranged at end on buckle body radially towards the 3rd buckle arm overhang away from buckle body direction side, side relative with the first buckle arm on the 3rd buckle arm having for coordinating side section with described output shaft connecting lever spacing cooperation with the connecting lever limiting combined floodgate buckle rotational limitation along clockwise direction.
9. circuit breaker according to claim 6, is characterized in that: described male cooperation side is arcuate flanks.
10. the circuit breaker according to claim 6 ~ 9 any one, is characterized in that: described roller coordinates side to coordinate side to be connected with semiaxis, and roller cooperation side, semiaxis cooperation side are all arranged at the one end away from buckle body on the second buckle arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819385.4A CN104576096B (en) | 2014-12-25 | 2014-12-25 | Spring operating mechanism and breaker adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819385.4A CN104576096B (en) | 2014-12-25 | 2014-12-25 | Spring operating mechanism and breaker adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104576096A true CN104576096A (en) | 2015-04-29 |
| CN104576096B CN104576096B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819385.4A Active CN104576096B (en) | 2014-12-25 | 2014-12-25 | Spring operating mechanism and breaker adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104576096B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428140A (en) * | 2015-12-28 | 2016-03-23 | 甘肃长城电工电器工程研究院有限公司 | Spring mechanism mechanical anti-jumping apparatus for circuit breaker |
| CN111341605A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN111341573A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
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| CN103617902A (en) * | 2013-12-02 | 2014-03-05 | 国网甘肃省电力公司白银供电公司 | Novel transmission component of CT type spring mechanism |
| CN204348535U (en) * | 2014-12-25 | 2015-05-20 | 天津平高智能电气有限公司 | A kind of spring operating mechanism and use the circuit breaker of this spring operating mechanism |
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| GB1515090A (en) * | 1975-07-24 | 1978-06-21 | Hazemeijer Bv | Electrical switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428140A (en) * | 2015-12-28 | 2016-03-23 | 甘肃长城电工电器工程研究院有限公司 | Spring mechanism mechanical anti-jumping apparatus for circuit breaker |
| CN111341605A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN111341573A (en) * | 2018-12-18 | 2020-06-26 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN111341605B (en) * | 2018-12-18 | 2021-12-31 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
| CN111341573B (en) * | 2018-12-18 | 2022-03-22 | 天津平高智能电气有限公司 | Circuit breaker and operating mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104576096B (en) | 2017-02-22 |
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