CN101552145B - Closing keeping device for spring operation mechanism - Google Patents
Closing keeping device for spring operation mechanism Download PDFInfo
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- CN101552145B CN101552145B CN2009100224622A CN200910022462A CN101552145B CN 101552145 B CN101552145 B CN 101552145B CN 2009100224622 A CN2009100224622 A CN 2009100224622A CN 200910022462 A CN200910022462 A CN 200910022462A CN 101552145 B CN101552145 B CN 101552145B
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- combined floodgate
- floodgate
- closing
- keeps
- frizzen
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Abstract
The invention discloses a closing keeping device for a spring operation mechanism. The device comprises an output crank which is connected with the fracture of a breaker by a connecting board and driven by a cam system, and an opening and closing trigger which is fixed on a mechanism frame. The device is characterized in that the output crank is provided with a closing keeping lock pin which is blocked by a closing keeping interlock mechanism that is arranged between the output crank and the opening trigger after the closing is finished, thus keeping the closing operation in steady self-lock state. The device can keep the breaker in the closing position reliably and steadily.
Description
Technical field
The present invention relates to the closing keeping device of the spring operating mechanism that circuit breaker uses in a kind of high voltage switchgear.
Background technology
The spring operating mechanism that former circuit breaker uses is closed a floodgate and is kept snap close, because the moment that tripping spring power keeps lock pin and original combined floodgate to keep the pallet contact-making surface to be delivered on the separating brake trigger by closing a floodgate is bigger.Its existing problem is: when raising is closed, when the sub-switching operation merit improves, " promptly dividing after closing " phenomenon will appear in breaker operation mechanism, so-called " promptly dividing after closing " is meant that breaker operation mechanism only receives the order of closing a floodgate, operating mechanism should only can be finished feed motion, and should remain on closing position reliably, but in fact operating mechanism has been finished and has been closed, the separating brake action, and mechanism remains on the separating brake position.
Summary of the invention
The purpose of this invention is to provide a kind of phenomenon of eliminating existing operating mechanism " after closing promptly divide ", guarantee the closing keeping device of breaker safe reliability service.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of closing keeping device of spring operating mechanism, comprise the output toggle arm that drives by camming that links to each other with the circuit breaker fracture by connecting plate, be fixed on branch, combined floodgate trigger on the mechanism rack, it is characterized in that, described output toggle arm is provided with the maintenance lock pin that closes a floodgate, after combined floodgate is finished, the maintenance latching device that closes a floodgate that this combined floodgate keeps lock pin to be output and is provided with between connecting lever and the separating brake trigger blocks, and makes closing operation keep the self-locking stable state.
In the such scheme, described this combined floodgate keeps being provided with between latching device and the combined floodgate trigger the anti-jump mechanism of closing a floodgate.
Described combined floodgate keeps latching device to comprise that a finger-like combined floodgate keeps pallet, and it refers to that front end and a bearing pin that is fixed on mechanism rack are rotationally connected, and it refers to that the root top connects the maintenance pallet back-moving spring that closes a floodgate; It refers to that upper rear end is connected with the separating brake trigger contact that has back-moving spring; It refers to that rear end lower is a recessed surface, after combined floodgate is finished, keep under the back-moving spring acting in conjunction of pallet back-moving spring, separating brake trigger by closing a floodgate, the combined floodgate that described recessed surface is output on the connecting lever keeps lock pin to block, and realizes that combined floodgate keeps the self-locking stable state.
The anti-jump mechanism of described combined floodgate comprises the combined floodgate frizzen that drives the combined floodgate trigger, be connected with combined floodgate frizzen back-moving spring on this combined floodgate frizzen, described combined floodgate keeps the fingertip end of pallet to be provided with a finger, and this finger can be pushed the combined floodgate frizzen aside and realize anti-locking mechanism combined floodgate system misoperation after combined floodgate is finished; After finishing the maintenance release of closing a floodgate, closing a floodgate keeps pallet to make described finger discharge the combined floodgate frizzen around its pivot pin rotation, and the combined floodgate frizzen is reset to next the combined floodgate and gets ready under combined floodgate frizzen action of reset spring.
Advantage of the present invention is: give full play to the material loading characteristic, use four link motion principles to realize that breaker closing keeps function.Can eliminate fully that prior art is closed in raising, during the sub-switching operation merit, " promptly dividing after closing " phenomenon will appear in circuit breaker, can prevent locking mechanism combined floodgate system misoperation simultaneously, improves the breaker safe reliability of operation.
Description of drawings
The present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a circuit breaker when being in closing position (switching-in spring 10 energy storage), has the present invention and closes a floodgate and keep the operating mechanism state diagram of snap close.
Fig. 2 is a circuit breaker when being in the separating brake position, has the present invention and closes a floodgate and keep the operating mechanism state diagram of snap close.
Wherein: 1, mechanism rack; 2, combined floodgate keeps pallet; 3, combined floodgate keeps lock pin A; 4, output toggle arm; 5, output toggle arm rotating shaft; 6, cam; 7, camshaft; 8, switching-in spring keeps lock pin B; 9, tripping spring; 10, switching-in spring; 11, ratchet; 12, switching-in spring keeps pallet; 13, combined floodgate trigger reset spring; 14, combined floodgate bar; 15, making electromagnet; 16, combined floodgate trigger; 17, divide restrictor bar; 18, tripping electromagnet; 19, separating brake trigger reset spring; 20, separating brake trigger; 21, roller; 22, combined floodgate keeps the pallet back-moving spring; 23, combined floodgate keeps the pallet steady pin; 24, finger; 25, combined floodgate frizzen; 26, bearing pin; 27, bearing pin; 28, combined floodgate frizzen back-moving spring; 29, connecting plate.
Embodiment
As shown in Figure 1, 2, the maintenance pallet 2 that closes a floodgate keeps pallet steady pin 23 to link to each other with mechanism rack 1 by closing a floodgate, and the maintenance pallet 2 that closes a floodgate can wrap lock and keep pallet steady pin 23 to rotate; Finger 24 is fixed on to close a floodgate and keeps on the fingertip end of pallet 2; Roller 21 is connected with the maintenance pallet 2 that closes a floodgate by bearing pin; Closing a floodgate keeps pallet back-moving spring 22 the one end being limited in the mechanism 1 under the pressured state by stopping means, and the other end is limited to the finger root top of closing a floodgate and keeping pallet 2;
Operating principle:
One, combined floodgate maintenance process
1) making electromagnet coil 15 energisings, dynamic and static adhesive unshakable in one's determination, moving combined floodgate bar 14 motions that drive unshakable in one's determination promote combined floodgate trigger 16 and rotate around bearing pin 26.
2) combined floodgate trigger 16 rotation counterclockwise discharges switching-in spring and keeps pallet 12.
3) switching-in spring maintenance pallet 12 turns clockwise and discharges switching-in spring maintenance lock pin 8, and cam 6 rotates around camshaft 7 under switching-in spring 10 effects, and promotion output toggle arm 4 rotates around output toggle arm rotating shaft 5.
4) output toggle arm 4 links to each other with the switch fracture by connecting plate 29, realizes closing operation.
5) in the closing operation process, output toggle arm rotating shaft 5 is rotated and driven connecting plate 29 compression tripping springs 9 is its energy storage.
6) feed motion finishes, mechanism's state as shown in Figure 2, combined floodgate on the output toggle arm 4 keeps lock pin 3 to be kept pallet 2 to block by combined floodgate, close a floodgate and keep pallet 2, separating brake trigger 20 respectively under back-moving spring 22,19 effects, reach Fig. 1 through motion and close a floodgate and keep the self-locking settling position, finish closing operation.
7) feed motion finishes, and combined floodgate energy storage motor electric loop is connected, and electrical power is given switching-in spring 10 energy storage, is the ready work of next closing operation.
Two, combined floodgate keeps releasing process
1) tripping electromagnet coil 18 energisings, dynamic and static adhesive unshakable in one's determination, moving unshakable in one's determination the drive divides restrictor bar 17 motions, promotes separating brake trigger 20 around bearing pin 27 rotation counterclockwise, and discharging closes a floodgate keeps pallet 2.
2) combined floodgate maintenance pallet 2 turns clockwise, and discharging closes a floodgate keeps lock pin 3, and output toggle arm 45 turns clockwise around the shaft.
3) output toggle arm 4 links to each other with the switch fracture by connecting plate 29, realizes sub-switching operation.
4) mechanism's separating brake is finished end position as shown in Figure 2.At this moment switching-in spring 10 energy storage, camshaft 7 are born switching-in spring 10 clockwise moments that are connected on the ratchet 11 and are kept pallet 12 and combined floodgate trigger 16 to stop by switching-in spring.
Three, anti-locking mechanism combined floodgate kinematic system misoperation
1) finish the maintenance process steps 1 of closing a floodgate)～6) after, combined floodgate reaches and keeps self-locking settling position (Fig. 1), the finger 24 that keeps installing on the pallet 2 that closes a floodgate is pushed combined floodgate frizzen 25 aside, even at this moment making electromagnet 15 coils are switched on once more, the combined floodgate frizzen can not trigger 16 actions of combined floodgate trigger yet, promptly can not make the action of combined floodgate kinematic system.
2) finish close a floodgate to keep releasing process 1)～3) after the step, closing a floodgate keeps pallet 2 to clockwise rotate around steady pin 23, and finger 24 discharges combined floodgate frizzen 25, and combined floodgate frizzen 25 resets under 28 effects of combined floodgate frizzen back-moving spring, as shown in Figure 2, being next closing operation gets ready.
Claims (2)
1. the closing keeping device of a spring operating mechanism, comprise the output toggle arm that drives by camming that links to each other with the circuit breaker fracture by connecting plate, be fixed on branch, combined floodgate trigger on the mechanism rack, it is characterized in that, described output toggle arm is provided with the maintenance lock pin that closes a floodgate, after combined floodgate is finished, the maintenance latching device that closes a floodgate that this combined floodgate keeps lock pin to be output and is provided with between connecting lever and the separating brake trigger blocks, and makes closing operation keep the self-locking stable state; Described combined floodgate keeps latching device to comprise that a finger-like combined floodgate keeps pallet, and it refers to that front end and a bearing pin that is fixed on mechanism rack are rotationally connected, and it refers to that the root top connects the maintenance pallet back-moving spring that closes a floodgate; It refers to that upper rear end is connected with the separating brake trigger contact that has back-moving spring; It refers to that rear end lower is a recessed surface, after combined floodgate is finished, keep under the back-moving spring acting in conjunction of pallet back-moving spring, separating brake trigger by closing a floodgate, the combined floodgate that described recessed surface is output on the connecting lever keeps lock pin to block, and realizes that combined floodgate keeps the self-locking stable state.
2. the closing keeping device of spring operating mechanism as claimed in claim 1, it is characterized in that, described combined floodgate keeps being provided with between latching device and the combined floodgate trigger the anti-jump mechanism of closing a floodgate, the anti-jump mechanism of this combined floodgate comprises the combined floodgate frizzen that drives the combined floodgate trigger, be connected with combined floodgate frizzen back-moving spring on this combined floodgate frizzen, described combined floodgate keeps the fingertip end of pallet to be provided with a finger, and this finger can be pushed the combined floodgate frizzen aside and realize anti-locking mechanism combined floodgate kinematic system misoperation after combined floodgate is finished; Finish close a floodgate to keep release after, closing a floodgate keeps pallet to rotate around its pivot pin making described finger discharge the combined floodgate frizzen, the combined floodgate frizzen resets under combined floodgate frizzen action of reset spring, gets ready for closing a floodgate next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100224622A CN101552145B (en) | 2009-05-12 | 2009-05-12 | Closing keeping device for spring operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100224622A CN101552145B (en) | 2009-05-12 | 2009-05-12 | Closing keeping device for spring operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101552145A CN101552145A (en) | 2009-10-07 |
| CN101552145B true CN101552145B (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100224622A Active CN101552145B (en) | 2009-05-12 | 2009-05-12 | Closing keeping device for spring operation mechanism |
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| CN (1) | CN101552145B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184797B (en) * | 2011-01-07 | 2013-05-01 | 无锡市锡山湖光电器有限公司 | Manual stored energy closing and self-locking device of vacuum circuit breaker |
| CN104319196B (en) * | 2014-10-14 | 2016-05-18 | 中国西电电气股份有限公司 | A kind of combined floodgate of breaker spring operating mechanism keeps Sub-gate release device |
| CN106328454A (en) * | 2015-06-24 | 2017-01-11 | 上海电器股份有限公司人民电器厂 | Closing keeping device |
| CN108188114A (en) * | 2017-12-26 | 2018-06-22 | 连建腾 | A kind of gantry frame type cleaning device for pipeline cleanser |
| CN111223721B (en) * | 2020-01-15 | 2022-02-18 | 西安西电开关电气有限公司 | Circuit breaker and energy storage maintaining closing tripping system for spring operating mechanism thereof |
| CN113113270B (en) * | 2021-04-14 | 2022-09-27 | 西安西电开关电气有限公司 | Closing keeping and opening tripping system |
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2009
- 2009-05-12 CN CN2009100224622A patent/CN101552145B/en active Active
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| Publication number | Publication date |
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| CN101552145A (en) | 2009-10-07 |
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Effective date of registration: 20221229 Address after: No.24, gazelle Valley, high tech Zone, Xi'an, Shaanxi 710077 Patentee after: XI'AN XD HIGH VOLTAGE SWITCHGEAR OPERATING MECHANISM CO.,LTD. Patentee after: CHINA XD ELECTRIC Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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