CN204857616U - Combined floodgate holding device - Google Patents
Combined floodgate holding device Download PDFInfo
- Publication number
- CN204857616U CN204857616U CN201520439621.XU CN201520439621U CN204857616U CN 204857616 U CN204857616 U CN 204857616U CN 201520439621 U CN201520439621 U CN 201520439621U CN 204857616 U CN204857616 U CN 204857616U
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- CN
- China
- Prior art keywords
- floodgate
- pallet
- closing
- combined floodgate
- keeping device
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Abstract
The utility model relates to a combined floodgate holding device, keep the pallet including closing a floodgate: one end has connected gradually even board and bent plate, and the other end is processed into round arc structure, separating brake pallet subassembly: one end connects gradually main shaft, turning arm, oil buffering and transmission turning arm, and the other end is equipped with bearing, and bearing is connected with the ARC end contact that keeps the pallet of closing a floodgate. Compared with the prior art, the utility model discloses having cancelled traditional combined floodgate and having kept the pallet to withstand the combined floodgate hold mode of the dropout semi -axis face of threading off, it closes a floodgate to adopt keeps the tangent mode that keeps of pallet and bearing to guarantee that the circuit breaker reliably closes a floodgate, has avoided causing the insecure condition of combined floodgate for reliable separating brake under low -voltage (65% rated voltage ) the condition of the technical requirement regulation of guaranteeing the circuit breaker too reduces to close a floodgate the face of keeping in contact.
Description
Technical field
The utility model relates to a kind of circuit breaker operation mechanism, especially relates 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 the reliability of circuit breaker operation mechanism, thus decides the reliability of primary cut-out.Closing keeping device realizes in operating mechanism closing a floodgate keeping the device of operation and sub-switching operation, realizes closing operation and sub-switching operation to make circuit breaker.
Existing switch-on holding structure requires that brake-separating and tripping force is large, the volume of switching winding is large, and the phenomenon of refusing separating brake easily appears in operating mechanism, two switching windings of this kind of closing keeping device adopt series-mode frames in addition, and the opening time difference that two coils produce is large.
Chinese patent CN101552145A discloses a kind of closing keeping device of spring operating mechanism, comprise be connected with breaker fracture by connecting plate the output toggle arm driven by camming, be fixed in mechanism rack point, combined floodgate trigger, it is characterized in that, described output toggle arm is provided with the maintenance lock pin that closes a floodgate, after combined floodgate completes, this combined floodgate keeps lock pin to be output of arranging between connecting lever and separating brake trigger closing a floodgate and keep latching device to block, make closing operation maintenance self-locking stable state.But owing to adopting spring to control, after using a period of time, because the reasons such as spring self deterioration cause accuracy to reduce, even can there is the accident ruptured.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of divide-shut brake reliable closing keeping device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of closing keeping device, comprising:
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 connects main shaft, connecting lever, oil buffering and transmission crank arm successively, and the other end is provided with needle bearing,
Described needle bearing keeps the arc end of pallet to contact connecting with combined floodgate.
Described needle bearing and close a floodgate and keep that the arc end of pallet is tangent to be connected.
Described combined floodgate keeps pallet, connecting plate and bent plate connect through being flexibly connected axle and can rotating around flexible connection axle.
Described separating brake catch mechanism is cam-like structure, and centre is provided with connecting axle, can rotate around connecting axle.
Also tripping spring is provided with between described oil buffering and transmission crank arm.
Described transmission crank arm is connected with arc control device through insulated tension pole.
Touch spring in described insulated tension pole is flexibly connected with the moving contact in arc control device.
Compared with prior art, the utility model eliminates traditional combined floodgate and keeps pallet to withstand the combined floodgate hold mode in dropout semiaxis dropout face, adopting closes a floodgate keeps the mode of pallet and the tangent maintenance of needle bearing to ensure that circuit breaker reliably closes a floodgate, novel closing keeping device makes circuit breaker will pallet and the dropout semiaxis contact-making surface originally used be kept excessive because closing a floodgate when keeping "on" position and cannot reliable separating brake, also can not because of close a floodgate maintenance pallet and dropout semiaxis contact-making surface too small and cannot reliably close a floodgate.The needle bearing adopted in this new structure is guaranteeing the brake-separating and tripping force also reducing circuit breaker under reliable prerequisite of closing a floodgate, and avoids as reliable separating brake under ensureing low-voltage (65% rated voltage) situation that the technical requirement of circuit breaker specify and too reduce the combined floodgate face of keeping in touch and cause the insecure situation of combined floodgate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1-opening button, 2-switching winding, 3-bent plate, 4-connecting plate, 5-needle bearing, 6-close a floodgate and keep 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 control device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of closing keeping device, its structure as shown in Figure 1, comprising closes a floodgate keeps 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 connects main shaft 8, connecting lever 9, oil buffering 10 and transmission crank arm 12 successively, and the other end is provided with needle bearing 5, keeps that the arc end of pallet 5 is tangent to be connected by needle bearing 5 with closing a floodgate.
Close a floodgate and keep pallet 6, connecting plate 4 and bent plate 3 connect through being flexibly connected axle and can rotating around flexible connection axle.Separating brake catch mechanism 7 is in cam-like structure, and centre is provided with connecting axle, can rotate around connecting axle.Between oil buffering 10 and transmission crank arm 12, be also provided with tripping spring 11, transmission crank arm 12 is connected with arc control device 14 through insulated tension pole 13, specifically, is be flexibly connected with the moving contact in arc control device 14 by the touch spring in insulated tension pole 13.
On the operating mechanism of RMV1 Series Circuit Breakers, devise this kind of novel closing keeping device, adopt separating brake catch mechanism 7 to ensure that circuit breaker reliably closes a floodgate with the mode of the tangent maintenance of needle bearing 5 by the accurate processing of parts.Eliminating traditional combined floodgate keeps pallet to withstand the combined floodgate hold mode in dropout semiaxis dropout face, novel closing keeping device makes circuit breaker will pallet and the dropout semiaxis contact-making surface originally used be kept excessive because closing a floodgate when keeping "on" position and cannot reliable separating brake, also can not keep because closing a floodgate pallet and original dropout semiaxis contact-making surface used too small and cannot reliably close a floodgate.The needle bearing 5 adopted in this new structure is guaranteeing the brake-separating and tripping force also reducing circuit breaker under reliable prerequisite of closing a floodgate, and avoids as reliable separating brake under ensureing low-voltage (65% rated voltage) situation that the technical requirement of circuit breaker specify and too reduce the combined floodgate face of keeping in touch and cause the insecure situation of combined floodgate.
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, circuit breaker is in "on" position.When pressing manual brake separating button 1 or starting release, separating brake process just starts, switching winding 2 adhesive promotes bent plate 3 and rotates, connecting plate 4 drives and is flexibly connected axle rotation thereupon, close a floodgate and keep pallet 6 to unlock, the energy that touch spring in insulated tension pole 13 and tripping spring 11 store makes the moving contact of arc control device 14 be separated with certain speed downwards, and move to open position, transmission crank arm drives main axis, under connecting lever, force feed buffer cup emits, oil damper piston moves downwardly to stuck position, and circuit breaker moves to gate-dividing state.
Claims (7)
1. a closing keeping device, is characterized in that, this device comprises:
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 connects main shaft, connecting lever, oil buffering and transmission crank arm successively, and the other end is provided with needle bearing,
Described needle bearing keeps the arc end of pallet to contact connecting with combined floodgate.
2. a kind of closing keeping device according to claim 1, is characterized in that, described needle bearing and close a floodgate and keep that the arc end of pallet is tangent to be connected.
3. a kind of closing keeping device according to claim 1, is characterized in that, described combined floodgate keeps pallet, connecting plate and bent plate connect through being flexibly connected axle and can rotating around flexible connection axle.
4. a kind of closing keeping device according to claim 1, is characterized in that, described separating brake catch mechanism is cam-like structure, and centre is provided with connecting axle, can rotate around connecting axle.
5. a kind of closing keeping device according to claim 1, is characterized in that, is also provided with tripping spring between described oil buffering and transmission crank arm.
6. a kind of closing keeping device according to claim 1, is characterized in that, described transmission crank arm is connected with arc control device through insulated tension pole.
7. a kind of closing keeping device according to claim 6, is characterized in that, the touch spring in described insulated tension pole is flexibly connected with the moving contact in arc control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439621.XU CN204857616U (en) | 2015-06-24 | 2015-06-24 | Combined floodgate holding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439621.XU CN204857616U (en) | 2015-06-24 | 2015-06-24 | Combined floodgate holding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857616U true CN204857616U (en) | 2015-12-09 |
Family
ID=54748143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439621.XU Active CN204857616U (en) | 2015-06-24 | 2015-06-24 | Combined floodgate holding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106356245A (en) * | 2016-11-17 | 2017-01-25 | 南京南瑞集团公司 | Spring operation mechanism for modularized vacuum circuit breaker |
| CN111354608A (en) * | 2018-12-20 | 2020-06-30 | 上海电器股份有限公司人民电器厂 | Interlocking device of circuit breaker |
-
2015
- 2015-06-24 CN CN201520439621.XU patent/CN204857616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106356245A (en) * | 2016-11-17 | 2017-01-25 | 南京南瑞集团公司 | Spring operation mechanism for modularized vacuum circuit breaker |
| CN111354608A (en) * | 2018-12-20 | 2020-06-30 | 上海电器股份有限公司人民电器厂 | Interlocking device of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |