CN106328454A - Closing keeping device - Google Patents
Closing keeping device Download PDFInfo
- Publication number
- CN106328454A CN106328454A CN201510354729.3A CN201510354729A CN106328454A CN 106328454 A CN106328454 A CN 106328454A CN 201510354729 A CN201510354729 A CN 201510354729A CN 106328454 A CN106328454 A CN 106328454A
- Authority
- CN
- China
- Prior art keywords
- closing
- closing keeping
- keeping device
- floodgate
- pallet
- 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.)
- Pending
Links
Classifications
-
- 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
- H01H71/1054—Means for avoiding unauthorised release
Abstract
The invention relates to a closing keeping device, which comprises a closing keeping latch and an opening latch assembly, wherein one end of the closing keeping latch is sequentially connected with a connection plate and a bending plate and the other end is processed into an arc-shaped structure; one end of the opening latch assembly is sequentially connected with a main shaft, a connecting lever, an oil buffer and a driving crank arm and the other end is provided with a needle bearing; and the needle bearing is in contact connection with an arc end of the closing keeping latch. Compared with the prior art, the closing keeping device has the advantages that a traditional closing keeping mode that the closing keeping latch is propped against the tripping surface of a tripping half shaft is concealed; reliable closing of a circuit breaker is ensured by using the mode that the closing keeping latch and the needle bearing are tangentially kept; and the unreliable closing condition caused by excessively reducing a closing keeping contact surface to ensure reliable closing under the condition of low voltage (65% of rated voltage) specified by technical requirements of the circuit breaker is avoided.
Description
Technical field
The present invention relates to a kind of circuit breaker operation mechanism, especially relate to a kind of closing keeping device.
Background technology
Primary cut-out is the nucleus equipment in controller switching equipment field, and operating mechanism is the core component of primary cut-out, and
Closing keeping device is the core component of operating mechanism.The reliability direct relation of closing keeping device chopper behaviour
Make the reliability of mechanism, thus decide the reliability of primary cut-out.Closing keeping device is real in operating mechanism
Now close a floodgate and keep the device of operation and sub-switching operation, so that chopper realizes closing operation and sub-switching operation.
Existing switch-on holding structure requires that brake-separating and tripping force is big, and the volume of switching winding is big, and operating mechanism easily goes out
Now refusing the phenomenon of separating brake, additionally two switching windings of this kind of closing keeping device use series-mode frame, two lines
The produced opening time difference of circle is big.
Chinese patent CN101552145A discloses the closing keeping device of a kind of spring operating mechanism, including passing through
The output toggle arm driven by camming that connecting plate is connected with breaker fracture, be fixed in mechanism rack point, close a floodgate
Trigger, it is characterised in that, described output toggle arm is provided with close a floodgate a holding lock pin, after combined floodgate completes, this conjunction
The combined floodgate that lock keeps lock pin to be output between connecting lever and separating brake trigger setting keeps latching device to block, and makes conjunction
Lock operation keeps self-locking steady statue.But owing to using spring to be controlled, use after a period of time, can because
The reasons such as spring self deterioration cause degree of accuracy to reduce, and the accident of fracture even can occur.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of divide-shut brake reliable
Closing keeping device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of closing keeping device, including:
Close a floodgate and keep pallet: one end is connected with connecting plate and bent plate in turn, and the other end is processed into convex structure,
Separating brake catch mechanism: one end is sequentially connected with main shaft, connecting lever, oil buffering and transmission crank arm, and the other end is provided with rolling
Needle bearing,
Described needle bearing contacts connection with the arc end keeping pallet that closes a floodgate.
Described needle bearing is tangent with the arc end of the holding pallet that closes a floodgate to be connected.
Described combined floodgate keeps pallet, connecting plate and bent plate connect through being flexibly connected axle and can rotate around being flexibly connected axle.
Described separating brake catch mechanism is cam-like structure, and centre is provided with connecting shaft, can rotate around connecting shaft.
It is additionally provided with tripping spring between described oil buffering and transmission crank arm.
Described transmission crank arm is connected with arc-chutes through insulated tension pole.
The described touch spring in insulated tension pole is flexibly connected with the moving contact in arc-chutes.
Compared with prior art, present invention eliminates traditional closing a floodgate keeps pallet to withstand dropout semiaxis dropout face
Combined floodgate hold mode, using closes a floodgate keeps pallet to ensure that chopper can closing with the mode of the tangent holding of needle bearing
Lock, novel closing keeping device makes chopper pallet will be kept with original because of closing a floodgate when keeping "on" position
The dropout semiaxis contact surface used excessive and cannot reliable separating brake, also will not keep pallet and dropout semiaxis because of closing a floodgate
Contact surface is too small and cannot reliably close a floodgate.The needle bearing used in this new structure is guaranteeing the premise reliably closed a floodgate
Under also reduce the brake-separating and tripping force of chopper, it is to avoid for ensureing that the technology of chopper requires the low-voltage of regulation
Reliable separating brake in the case of (65% rated voltage) and too reduce combined floodgate keep contact surface cause combined floodgate insecure feelings
Condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1-opening button, 2-switching winding, 3-bent plate, 4-connecting plate, 5-needle bearing, 6-close a floodgate holding
Pallet, 7-separating brake catch mechanism, 8-main shaft, 9-connecting lever, 10-oil buffering, 11-tripping spring, 12-transmission crank arm,
13-insulated tension pole, 14-arc-chutes.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of closing keeping device, its structure is as it is shown in figure 1, include close a floodgate holding pallet 6 and separating brake catch mechanism
7, close a floodgate and keep one end of pallet 6 to be connected with connecting plate 4 and bent plate 3 in turn, the other end is processed into convex structure,
Separating brake catch mechanism 7 one end is sequentially connected with main shaft 8, connecting lever 9, oil buffering 10 and transmission crank arm 12, the other end
It is provided with needle bearing 5, is connected by needle bearing 5 is tangent with the arc end of the holding pallet 5 that closes a floodgate.
Close a floodgate and keep pallet 6, connecting plate 4 and bent plate 3 connect through being flexibly connected axle and can rotate around being flexibly connected axle.
Separating brake catch mechanism 7 is provided with connecting shaft in cam-like structure, centre, can rotate around connecting shaft.10 are buffered at oil
And being additionally provided with tripping spring 11 between transmission crank arm 12, transmission crank arm 12 is through insulated tension pole 13 and arc-chutes 14
Connect, specifically, be by the touch spring in insulated tension pole 13 with the moving contact activity in arc-chutes 14 even
Connect.
On the operating mechanism of RMV1 Series Circuit Breakers, devise this kind of novel closing keeping device, pass through
The accurately processing of parts uses separating brake catch mechanism 7 to ensure that chopper can with the mode of the tangent holding of needle bearing 5
Closing lock.Eliminate traditional combined floodgate hold mode keeping pallet to withstand dropout semiaxis dropout face of closing a floodgate, novel
Closing keeping device makes chopper that pallet will not be kept de-with originally used because of closing a floodgate when keeping "on" position
Button semiaxis contact surface excessive and cannot reliable separating brake, also will not keep pallet because of closing a floodgate with original dropout used partly
Axle contact surface is too small and cannot reliably close a floodgate.The needle bearing 5 that uses in this new structure is guaranteeing reliably to close a floodgate
The brake-separating and tripping force of chopper is also reduced, it is to avoid for ensureing that the technology of chopper requires the low electricity of regulation under premise
Reliable separating brake in the case of pressure (65% rated voltage) and too reduce combined floodgate and keep contact surface to cause combined floodgate insecure
Situation.
Close a floodgate and keep pallet 6 tangent with the needle bearing 5 on separating brake catch mechanism 7, close a floodgate and keep pallet 6 to be in
Locking-in state, chopper is in "on" position.When pressing manual brake separating button 1 or starting electrical apparatus release, separating brake mistake
Journey just starts, and switching winding 2 adhesive promotes bent plate 3 to rotate, and connecting plate 4 drives and is flexibly connected axle rotation therewith, closes
Lock keeps pallet 6 to unlock, and touch spring and the energy of tripping spring 11 storage in insulated tension pole 13 make arc-chutes
The moving contact of 14 separates downwards with certain speed, and moves to open position, and transmission crank arm drives main axis,
Under connecting lever, force feed buffer cup emits, and oil damper piston moves downwardly to card dead position, and chopper moves to gate-dividing state.
Claims (7)
1. a closing keeping device, it is characterised in that this device includes:
Close a floodgate and keep pallet: one end is connected with connecting plate and bent plate in turn, and the other end is processed into convex structure,
Separating brake catch mechanism: one end is sequentially connected with main shaft, connecting lever, oil buffering and transmission crank arm, and the other end is provided with rolling
Needle bearing,
Described needle bearing contacts connection with the arc end keeping pallet that closes a floodgate.
A kind of closing keeping device the most according to claim 1, it is characterised in that described needle bearing
The arc end keeping pallet is tangent to be connected with closing a floodgate.
A kind of closing keeping device the most according to claim 1, it is characterised in that described combined floodgate keeps
Pallet, connecting plate and bent plate connect through being flexibly connected axle and can rotate around being flexibly connected axle.
A kind of closing keeping device the most according to claim 1, it is characterised in that described separating brake pallet
Assembly is cam-like structure, and centre is provided with connecting shaft, can rotate around connecting shaft.
A kind of closing keeping device the most according to claim 1, it is characterised in that described oil buffering with
Tripping spring it is additionally provided with between transmission crank arm.
A kind of closing keeping device the most according to claim 1, it is characterised in that described transmission crank arm
It is connected with arc-chutes through insulated tension pole.
A kind of closing keeping device the most according to claim 6, it is characterised in that described insulated tension pole
Interior touch spring is flexibly connected with the moving contact in arc-chutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354729.3A CN106328454A (en) | 2015-06-24 | 2015-06-24 | Closing keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354729.3A CN106328454A (en) | 2015-06-24 | 2015-06-24 | Closing keeping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106328454A true CN106328454A (en) | 2017-01-11 |
Family
ID=57729698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354729.3A Pending CN106328454A (en) | 2015-06-24 | 2015-06-24 | Closing keeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106328454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962696A (en) * | 2017-05-24 | 2018-12-07 | 上海电器股份有限公司人民电器厂 | A kind of adjustable closing keeping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050024095A (en) * | 2003-09-04 | 2005-03-10 | 엘지산전 주식회사 | Air circuit breakers |
| CN2762319Y (en) * | 2004-12-31 | 2006-03-01 | 大连北方真空开关厂 | Spring operation mechanism |
| CN101552145A (en) * | 2009-05-12 | 2009-10-07 | 中国西电电气股份有限公司 | Closing keeping device for spring operation mechanism |
| CN202434406U (en) * | 2011-10-28 | 2012-09-12 | 余姚市华宇电器有限公司 | Closing maintenance structure for GIS breaker mechanism |
| CN202796721U (en) * | 2012-09-18 | 2013-03-13 | 博耳(宜兴)电力成套有限公司 | High voltage vacuum circuit breaker tripping device |
| CN204857616U (en) * | 2015-06-24 | 2015-12-09 | 上海电器股份有限公司人民电器厂 | Combined floodgate holding device |
-
2015
- 2015-06-24 CN CN201510354729.3A patent/CN106328454A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050024095A (en) * | 2003-09-04 | 2005-03-10 | 엘지산전 주식회사 | Air circuit breakers |
| CN2762319Y (en) * | 2004-12-31 | 2006-03-01 | 大连北方真空开关厂 | Spring operation mechanism |
| CN101552145A (en) * | 2009-05-12 | 2009-10-07 | 中国西电电气股份有限公司 | Closing keeping device for spring operation mechanism |
| CN202434406U (en) * | 2011-10-28 | 2012-09-12 | 余姚市华宇电器有限公司 | Closing maintenance structure for GIS breaker mechanism |
| CN202796721U (en) * | 2012-09-18 | 2013-03-13 | 博耳(宜兴)电力成套有限公司 | High voltage vacuum circuit breaker tripping device |
| CN204857616U (en) * | 2015-06-24 | 2015-12-09 | 上海电器股份有限公司人民电器厂 | Combined floodgate holding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962696A (en) * | 2017-05-24 | 2018-12-07 | 上海电器股份有限公司人民电器厂 | A kind of adjustable closing keeping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |