CN2879394Y - Spring operating mechanism for circuit breaker - Google Patents
Spring operating mechanism for circuit breaker Download PDFInfo
- Publication number
- CN2879394Y CN2879394Y CN 200620101548 CN200620101548U CN2879394Y CN 2879394 Y CN2879394 Y CN 2879394Y CN 200620101548 CN200620101548 CN 200620101548 CN 200620101548 U CN200620101548 U CN 200620101548U CN 2879394 Y CN2879394 Y CN 2879394Y
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- arm
- spring
- circuit breaker
- energy storage
- separating brake
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Abstract
A spring operation mechanism for a circuit breaker additionally provides an opening spring and a limiting members on basis of original functions, additionally provides a third arm and a fourth arm on an output inflective arm, wherein the opening spring covers on a pull rod between a front and a rear side plate, two ends of the opening spring are contact with a left and a right limiting member, an tail end of the pull rod is connected with the right limiting member, a head end of the pull rod is passed through the left limiting member and articulated with the third arm, an opening limiting member is provided at the left limiting member, the fourth arm is contact with the opening limiting member when being in an opening state. Hence, the opening spring and the limiting members are adjusted on the spring operation mechanism at a face of a kit device and a lower portion without winding on the circuit breaker body and without filling with sulphur hexafluoride gas, thereby operation is easier and more convenient, the whole structure is compact, volumn is small and the operation is reliable. With an indication in a mode test, the object of the utility model can be completely realized, so that the utility model is worthy to be used in present mechanisms.
Description
Technical field
The utility model relates to a kind of spring operating mechanism, especially refers to a kind of and vacuum circuit-breaker or the matched spring operating mechanism of sulfur hexafluoride breaker the 12KV electric pressure.
Background technology
At present, for the spring operating mechanism that circuit breaker disposed of 12KV electric pressure has mechanisms such as CT8 type, CT10 type, CT17 type, CT19 type, CT23 type, CTB type, VS1 type or VS1+ usually, these spring operating mechanisms all have motor transmission system, switching-in spring energy-storage system, combined floodgate system, combined floodgate maintenance system and close, assembly such as separating brake tripping system, their common feature is exactly only to have switching-in spring, and tripping spring and separating brake caging system often are installed on the body of circuit breaker.Adopt such structure, though also can realize the closing of circuit breaker, separating brake function, but find in use, open requirements such as distance, speed, the excess of stroke, spring for what satisfy circuit breaker, usually need tripping spring and separating brake caging system are regulated, and because tripping spring is installed on the body of circuit breaker, circuit breaker is positioned at the back of the complete sets of equipment again, and the position is higher relatively, therefore adjusts very inconvenient.Especially to being sealed in the tripping spring in the sulphur hexafluoride, also must charge and discharge sulfur hexafluoride gas when adjusting, obviously, such structure has promptly increased the adjustment difficulty, and is uneconomical again, practical at every turn.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of and is easy to adjust tripping spring and separating brake caging system and makes the spring operating mechanism that convenient circuit breaker uses that operates.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the spring operating mechanism that this circuit breaker is used comprises by preceding, the energy-storage units of back side panel fixed support, the energy storage holding unit, power output gear unit, combined floodgate unit and closing, the separating brake holding unit, described power output gear unit comprises output shaft and the output toggle arm that is sleeved on the output shaft again, extend outward the first arm that has the combined floodgate roller on this output toggle arm and have to close a floodgate and keep second arm of roller, it is characterized in that: have additional the 3rd arm and the 4th arm on the described output toggle arm, and before described, also be provided with the tripping spring that is enclosed within on the pull bar between the back side panel, the two ends of this tripping spring are respectively by a left side, right limit spare is inconsistent, and described pull bar afterbody is connected with this right limit spare, its head pass behind the described left limit spare with above-mentioned output toggle arm on the 3rd arm be hinged, simultaneously, limit part place also is provided with the separating brake limit assembly on a described left side, under the separating brake completion status, the 4th arm of described output toggle arm and this separating brake limit assembly offset.
As further improvement of the utility model, described pull bar afterbody design has external screw thread, and the swivel nut that on this external screw thread, is threaded, described right limit spare then is fixed on this swivel nut, rotate swivel nut like this, be the precompression of scalable tripping spring, thereby reach the purpose of regulating breaker open operation speed.
As another kind of improvement the of the present utility model, described separating brake limit assembly can be assembled by a plurality of pads, adopt this structure after, can be by the number of increase and decrease pad, regulate opening of circuit breaker easily apart from, the excess of stroke.
In above-mentioned each scheme, the pull bar and the tripping spring that are positioned at described left limit spare right side preferably are placed in a guide cylinder, in the tripping spring moving process, just can play guide effect preferably like this.
Described energy storage holding unit can also comprise that energy storage keeps pallet, this energy storage keeps pallet to be the L type, its middle part is enclosed within on the bearing pin versatilely, and the outside of its vertical edge is provided with a projection, then be provided with on the described output toggle arm and the corresponding boss of this projection, under "on" position, described projection is kept out by this boss.After adopting such structure, can prevent circuit breaker again combined floodgate under "on" position.
Compared with prior art, owing on the basis of original function, set up tripping spring and separating brake caging system in the utility model, thereby need not be when regulating again around to breaker body, also need not to charge and discharge sulfur hexafluoride gas, can be in the complete sets of equipment front, carry out on the spring operating mechanism at low level place, thereby made things convenient for the adjusting of tripping spring and caging system widely, make and operate more easily, while entire mechanism compact conformation, volume is little, reliable operation, and show by type approval test, can realize the purpose of this utility model fully, thereby be worth on existing spring operating mechanism, applying.
Description of drawings
Fig. 1 is the utility model Facad structure schematic diagram;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to partial sectional view;
Fig. 4 is a partial exploded view among Fig. 3;
Fig. 5 is for the utility model closes a floodgate, energy storage hold mode structural representation;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural representation under the combined floodgate hold mode of the present utility model;
Fig. 8 is the structural representation under gate-dividing state of the present utility model.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1 to shown in Figure 2, this spring operating mechanism comprise by the energy-storage units of front side board 17, back side panel 18 fixed supports, energy storage holding unit, power output gear unit, trip unit, combined floodgate unit, separating brake unit and close, the separating brake holding unit.Wherein, energy-storage units comprises the motor 8 that is arranged in back side panel below again, be sleeved on pinion 32 on the motor output shaft, be meshing with each other with pinion and be installed in the gear wheel 31 on the energy storage axle 37, as Fig. 3 and Fig. 4, described energy storage axle is bearing on the above-mentioned forward and backward side plate by bearing, be exposed on the energy storage axle outside the front side board connecting lever 5 is installed, one end of the switching-in spring 16 in the combined floodgate unit is hung on this connecting lever 5, and the other end is positioned front side board 17.Be positioned at the cam 30 that the other drive block 29 of above-mentioned gear wheel 31 and side have roller 33 and be positioned on the forward and backward interpleural energy storage axle also to be equipped with by conventional key, the periphery of this drive block 29 is provided with the sour jujube tooth; Then be provided with fixed leg and head and the corresponding driving claw 35 of this sour jujube tooth on gear wheel 31 sides, the middle part of this driving claw is sleeved on fixed axis, and it can be rotated with respect to gear wheel 31; Be with torsion spring 34 on the said fixing post, an end of torsion spring 34 is against the head outside of driving claw 35, makes it have trend to the deflection of central side direction all the time.Promptly in gear wheel 31 rotation processes, the head of this driving claw 35 can with the sour jujube tooth interlock mutually on the above-mentioned drive block 29.Simultaneously, forward and backward side sheet room above cam 30 is provided with the energy storage of L type and keeps pallet 25 and the corresponding switching pin 28 of driving claw afterbody, this energy storage keeps pallet 25 to rotate around its middle part bearing pin, its horizontal edge end is corresponding with the roller 33 on the cam, and its both sides, medial and lateral, vertical edge top is respectively equipped with limit shaft 26 and combined floodgate semiaxis 22, is provided with the reduction torsion spring 27 (referring to Fig. 4) that makes above-mentioned energy storage keep pallet to have the trend of rotating counterclockwise all the time simultaneously on bearing pin.
When needing energy storage, give motor 8 energisings, motor output shaft clockwise rotates by the direction of arrow as shown in Figure 4, pinion 32 drives gear wheel 31 thereupon, make gear wheel and the driving claw 35 on it by the counter clockwise direction transmission, driving claw 35 under the effect of torsion spring 34, the sour jujube tooth interlock mutually on its head and the drive block 29.Thereby drive storage moving axis 37, make it by counterclockwise rotating, the cam 30, the connecting lever 5 that drive then on the energy storage axle rotate counterclockwise, and finally drive switching-in spring 16 and make extensional motion.When switching-in spring 16 was stretched to peak, the afterbody of driving claw 35 was switched pin 28 and depresses, and the head of driving claw 35 is lifted, and made no longer interlock of sour jujube tooth on driving claw 35 and the drive block 29.Like this, the motion of gear wheel and driving claw no longer drives 37 rotations of energy storage axle.This moment switching-in spring excessively in, under the effect of switching-in spring 16 restoring forces, energy storage axle 37 still has the trend of counterclockwise rotating.But this moment, because the roller 33 on the cam is withstood on the horizontal edge end that energy storage keeps pallet 25, simultaneously, the travel switch 6 in the electric loop is switched by connecting lever 5, disconnects the secondary circuit of motor, and energy storage this moment finishes.The length of switching-in spring 16 is elongated two times connecting lever 5 eccentric length, is in the state that closes a floodgate of waiting for.
Here, keep pallet 25 to be designed to eccentric cambered surface energy storage, its center of effort is not in the middle the bearing pin center line, and energy storage this moment keeps the vertical edge top of pallet 25 to be against on the combined floodgate semiaxis 22, form the mechanical structure of a sealing, therefore, only otherwise rotate combined floodgate semiaxis 22, the energy storage state of switching-in spring 16 just can keep always, as shown in Figure 5 and Figure 6.
In such scheme, for anti-locking mechanism can't be operated under power down mode, go out shaft end at motor shaft and be with manual energy storage axle 24, referring to Fig. 2 and Fig. 3, rotate manual energy storage axle 24 like this, can drive energy storage axle 37 and connecting lever 5 rotations equally, to guarantee the reliably working of operating mechanism under electroless state.
Above-mentioned power output gear unit comprises again with bearings at forward and backward interpleural output shaft 15 and the output toggle arm 14 that is sleeved on the output shaft, referring to Fig. 5, extend outward the first arm 45 that has combined floodgate roller 46 on this output toggle arm successively, have close a floodgate keep roller second arm 40, be used for spurring tripping spring 11 in the separating brake unit the 3rd arm 44 and with separating brake limit assembly 47 corresponding the 4th arms 43.And the tripping spring 11 in the separating brake unit is distributed on the lower right of forward and backward side plate, it is enclosed within afterbody and has on the externally threaded pull bar 13, and tripping spring 11 and pull bar 13 are placed in the guide cylinder 48 simultaneously, one end of tripping spring 11 is against on the right limit spare 10, this right limit spare 10 is fixed on again on the swivel nut 9, and swivel nut 9 is screwed onto the afterbody of above-mentioned pull bar 13; The other end of tripping spring 11 then is against on the left limit spare 12 that is connected mutually with guide cylinder 48.The head of pull bar 13 passes left limit spare 12 back and cuts with scissors mutually with the 3rd arm 44 on being arranged on above-mentioned output toggle arm 14.Above-mentioned separating brake limit assembly 47 is arranged on the left side of left limit spare 12, and under gate-dividing state, above-mentioned the 4th arm 43 offsets with this separating brake limit assembly 47.
Described separating brake trip unit comprises fastener 38 that has pallet 42 and separating brake semiaxis 43 and the spacer pin 39 that is positioned at both sides, fastener upper end, this fastener also can rotate around its middle part fixed axis, pallet is positioned at the fastener lower inside, keeps roller corresponding with the combined floodgate of above-mentioned second arm 40.
Above-mentioned combined floodgate semiaxis 22 and separating brake semiaxis 23 stretch out on the end outside the front side board 17 and are with combined floodgate knob 3, separating brake knob 2 respectively, referring to Fig. 1 and Fig. 2, and the rotation that like this, can close, the separating brake knob drives combined floodgate semiaxis and separating brake semiaxis by rotation.Certainly, in mechanism, can also be furnished with closing coil 4 and switching winding 1 routinely so that realize electric switch-on and separating brake, make operate convenient.
Therefore, when spring operating mechanism is in when needing to close a floodgate under the above-mentioned energy storage hold mode, the closing coil of using by closing by hand knob 3 or when electronic 4, make combined floodgate semiaxis 22 rotate counterclockwise an angle, at this moment, above-mentioned energy storage keeps the mechanical state of structure destroyed, energy storage keeps pallet 25 to begin to rotate counterclockwise, and removes the spacing of roller 33, at this moment, the switching-in spring 16 that is stretched releases energy, drive energy storage axle 37 and cam 30 and rotate counterclockwise, in the cam rotation process, clash into mutually with combined floodgate roller 46 on the output toggle arm the first arm 45, and drive output toggle arm 14 moves clockwise, after the angle that moves to setting, combined floodgate roller 46 leaves the surface of cam 30, makes output toggle arm 14 lose the power that clockwise rotates, close a floodgate this moment and finish, as shown in Figure 7.At the rotation process of above-mentioned output toggle arm, also be installed in forward and backward interpleural auxiliary switch 7 actions, thereby realize the conventional electric demonstration of combined floodgate and the usefulness of control by being positioned at pull bar 20, the arm-tie 19 outside the back side panel, making.
In the process of above-mentioned combined floodgate, the 4th arm 44 of output toggle arm also spurs pull bar 13 and right limit spare 10 simultaneously, and compression tripping spring 11, the restoring force of tripping spring 11 acts on the output toggle arm by the 4th arm, after making that combined floodgate finishes, output toggle arm 14 has the trend that rotates counterclockwise, and this moment, combined floodgate on second arm 40 of output toggle arm keeps roller to be against on the pallet 42 of fastener, the left side, upper end of fastener is offseted by separating brake semiaxis 23 again, make output toggle arm 14 and output shaft 15 stop operating, be in the combined floodgate hold mode.Referring to Fig. 7.
When circuit breaker needs separating brake, same by opening button 2 rotation or switching winding 1 electric, make separating brake semiaxis 23 rotate an angle, carry out release with contacting piece 38, at this moment, fastener 38 and pallet 42 rotate counterclockwise, and output toggle arm 14 rotates counterclockwise under the effect of tripping spring 11, drive output shaft 15 and rotate and the moving contact of breaker separating brake, turn to the angle of setting when output toggle arm 14 after, its the 4th arm 43 is supported by separating brake limit assembly 47, and this moment, separating brake was finished, referring to Fig. 8.
In above-mentioned course of action, because tripping spring 11 adopts the form of stage clip, the big I of its precompression is regulated by rotation swivel nut 9, and slow when breaker open operation speed, when closing speed was fast, rotatable swivel nut 9 drove right limit spare 10 and moves to the left.Otherwise, then loosen swivel nut 9, right limit spare 10 is moved to the right, therefore regulate very convenient, light.In the present embodiment, also separating brake limit assembly 47 is designed to assemble the all-in-one-piece structure by a plurality of pads by bolt, can reaches by the increase and decrease pad like this and regulate the purpose that circuit breaker is opened the distance and the excess of stroke, obviously, such structure was both simple, and was easy to adjust again.
In order to reach " five anti-" requirement of High-Voltage Electrical Appliances, prevent combined floodgate again behind the breaker closing, also design has a boss 41 on above-mentioned output toggle arm 14, keeps being provided with and this boss corresponding protruding 36 on the pallet in energy storage simultaneously.Be in when spring operating mechanism under the state of the also energy storage of closing a floodgate or close a floodgate, as Fig. 7 or shown in Figure 5, this projection is supported by boss.Therefore, both made and rotated combined floodgate semiaxis 22, and at this moment, limited because projection 36 is subjected to boss 41, energy storage keeps pallet 25 to rotate counterclockwise, and the roller 33 on the cam is kept pallet 25 to keep off by energy storage.That is to say that switching-in spring 16 can't discharge the energy after its energy storage, thereby can not carry out closing operation.Have only after rotating the separating brake semiaxis, make output toggle arm drive boss 41 and rotate, promptly boss 41 has been removed after the stopping of projection 36, just can carry out closing operation.
Claims (5)
1, the spring operating mechanism that a kind of circuit breaker is used, it comprises by preceding, the energy-storage units of back side panel fixed support, the energy storage holding unit, power output gear unit, combined floodgate unit and closing, the separating brake holding unit, described power output gear unit comprises output shaft (15) again and is sleeved on output toggle arm (14) on the output shaft, extend outward the first arm (45) that has combined floodgate roller (46) on this output toggle arm and have to close a floodgate and keep second arm (40) of roller, it is characterized in that: have additional the 3rd arm (44) and the 4th arm (43) on the described output toggle arm (14), and before described, also be provided with the tripping spring (11) that is enclosed within on the pull bar (13) between the back side panel, the two ends of this tripping spring are respectively by a left side, right limit spare (12,10) inconsistent, and described pull bar (13) afterbody is connected with this right limit spare (10), the 3rd arm (44) that its head passes on described left limit spare (12) back and the above-mentioned output toggle arm is hinged, simultaneously, locate also to be provided with separating brake limit assembly (47) at described left limit spare (12), under gate-dividing state, the 4th arm (43) of described output toggle arm offsets with this separating brake limit assembly (47).
2, the spring operating mechanism used of circuit breaker according to claim 1, it is characterized in that: the design of described pull bar (13) afterbody has external screw thread, and the swivel nut (9) that on this external screw thread, is threaded, described right limit spare (10) then is fixed on this swivel nut (9).
3, the spring operating mechanism used of circuit breaker according to claim 1, it is characterized in that: described separating brake limit assembly (47) is assembled by a plurality of pads.
4, the spring operating mechanism of using according to claim 1 or 2 or 3 described circuit breakers, it is characterized in that: the pull bar (13) and the tripping spring (11) that are positioned at described left limit spare (12) right side are placed in a guide cylinder (48).
5, the spring operating mechanism used of circuit breaker according to claim 4, it is characterized in that: described energy storage holding unit comprises that energy storage keeps pallet (25), this energy storage keeps pallet to be the L type, its middle part is enclosed within on the bearing pin versatilely, and the outside of its vertical edge is provided with a projection (36), then be provided with on the described output toggle arm and the corresponding boss of this projection (41), under "on" position, described projection (36) is kept out by this boss (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101548 CN2879394Y (en) | 2006-03-10 | 2006-03-10 | Spring operating mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101548 CN2879394Y (en) | 2006-03-10 | 2006-03-10 | Spring operating mechanism for circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN2879394Y true CN2879394Y (en) | 2007-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620101548 Expired - Fee Related CN2879394Y (en) | 2006-03-10 | 2006-03-10 | Spring operating mechanism for circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN2879394Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034622A (en) * | 2009-09-24 | 2011-04-27 | 厦门福森达电气有限公司 | Half shaft and fastening arm fastening mechanism for switch operating mechanism |
| CN102360983A (en) * | 2011-09-30 | 2012-02-22 | 福州天一同益电气有限公司 | Circuit breaker control device |
| CN102543504A (en) * | 2010-12-29 | 2012-07-04 | Ls产电株式会社 | Spring housing unit connected with spring actuator for switchgear |
| CN103515161A (en) * | 2013-09-24 | 2014-01-15 | 许继集团有限公司 | Spring operating mechanism |
| CN103606474A (en) * | 2013-11-08 | 2014-02-26 | 大全集团有限公司 | Breaker mechanism energy storage lock catch apparatus |
| CN104051184A (en) * | 2014-06-17 | 2014-09-17 | 许昌永新电气股份有限公司 | Switching-on and switching-off integrated mechanism of outdoor high-voltage vacuum circuit breaker |
| CN106558445A (en) * | 2015-09-24 | 2017-04-05 | 沈阳昊诚电气有限公司 | Outdoor breaker |
| CN108520834A (en) * | 2018-06-04 | 2018-09-11 | 泰安市泰和电力设备有限公司 | A kind of manually handle three position mechanism used for high-voltage switch |
| CN109887774A (en) * | 2019-04-22 | 2019-06-14 | 江苏洛凯机电股份有限公司 | Breaker mechanism brake separating mechanism |
| CN113963979A (en) * | 2020-07-20 | 2022-01-21 | 上海良信电器股份有限公司 | Remote brake separating mechanism and rotary switch |
-
2006
- 2006-03-10 CN CN 200620101548 patent/CN2879394Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034622A (en) * | 2009-09-24 | 2011-04-27 | 厦门福森达电气有限公司 | Half shaft and fastening arm fastening mechanism for switch operating mechanism |
| CN102543504B (en) * | 2010-12-29 | 2015-06-10 | Ls产电株式会社 | Spring housing unit connected with spring actuator for switchgear |
| CN102543504A (en) * | 2010-12-29 | 2012-07-04 | Ls产电株式会社 | Spring housing unit connected with spring actuator for switchgear |
| CN102360983A (en) * | 2011-09-30 | 2012-02-22 | 福州天一同益电气有限公司 | Circuit breaker control device |
| CN102360983B (en) * | 2011-09-30 | 2014-01-01 | 福州天一同益电气有限公司 | Circuit breaker control device |
| CN103515161B (en) * | 2013-09-24 | 2017-12-15 | 许继集团有限公司 | A kind of spring operating mechanism |
| CN103515161A (en) * | 2013-09-24 | 2014-01-15 | 许继集团有限公司 | Spring operating mechanism |
| CN103606474A (en) * | 2013-11-08 | 2014-02-26 | 大全集团有限公司 | Breaker mechanism energy storage lock catch apparatus |
| CN104051184A (en) * | 2014-06-17 | 2014-09-17 | 许昌永新电气股份有限公司 | Switching-on and switching-off integrated mechanism of outdoor high-voltage vacuum circuit breaker |
| CN106558445A (en) * | 2015-09-24 | 2017-04-05 | 沈阳昊诚电气有限公司 | Outdoor breaker |
| CN108520834A (en) * | 2018-06-04 | 2018-09-11 | 泰安市泰和电力设备有限公司 | A kind of manually handle three position mechanism used for high-voltage switch |
| CN108520834B (en) * | 2018-06-04 | 2024-01-19 | 泰安市泰和电力设备有限公司 | Manual operation three-station mechanism for high-voltage switch |
| CN109887774A (en) * | 2019-04-22 | 2019-06-14 | 江苏洛凯机电股份有限公司 | Breaker mechanism brake separating mechanism |
| CN113963979A (en) * | 2020-07-20 | 2022-01-21 | 上海良信电器股份有限公司 | Remote brake separating mechanism and rotary switch |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070314 Termination date: 20100310 |