CN203983207U - The under-voltage brake separating mechanism of a kind of circuit breaker - Google Patents
The under-voltage brake separating mechanism of a kind of circuit breaker Download PDFInfo
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- CN203983207U CN203983207U CN201420394183.5U CN201420394183U CN203983207U CN 203983207 U CN203983207 U CN 203983207U CN 201420394183 U CN201420394183 U CN 201420394183U CN 203983207 U CN203983207 U CN 203983207U
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Abstract
The utility model relates to the under-voltage brake separating mechanism of a kind of circuit breaker, under-voltage brake separating mechanism comprises device for under-voltage releasing equipment, under-voltage spring and dropout plate, dropout plate is set in parallel in main shaft top, dropout plate supports and is seesaw structure along vertical combined floodgate direction of principal axis, device for under-voltage releasing equipment through under-voltage spring socket in dropout plate arbitrarily lift up end.
Description
Technical field
The utility model relates to a kind of circuit breaker, is the under-voltage brake separating mechanism of a kind of circuit breaker specifically.
Background technology
At present, at the widely used primary cut-out of colliery electric power system, its functional parts, as: operating mechanism, motor, release etc. are arranged in narrow and small box of the circuit breaker body space respectively, along with the miniaturization gradually of equipment requirement, it is very inconvenient to install, safeguard.
Summary of the invention
Cannot meet convenient installation, the maintenance requirement of miniaturization for circuit breaker in prior art, it is a kind of simple in structure, compact that the utility model provides, and installs, modularized circuit breaker easy to maintenance.
The technical solution adopted in the utility model is:
the under-voltage brake separating mechanism of a kind of circuit breaker, under-voltage brake separating mechanism comprises device for under-voltage releasing equipment, under-voltage spring and dropout plate, dropout plate is set in parallel in main shaft top, dropout plate supports and is seesaw structure along vertical combined floodgate direction of principal axis, device for under-voltage releasing equipment through under-voltage spring socket in dropout plate arbitrarily lift up end.
Further, also comprise splitting lock cushioning mechanism and display unit, described splitting lock cushioning mechanism comprises non-return lever and non-return adjustment screw, the movable handing-over in non-return lever one end combined floodgate connecting lever, non-return lever middle part is movably hinged fixing, under the non-return lever other end, be pressed on screw thread adjustable lifting and be fixed on the non-return adjustment screw top in insulation cabinet, described display unit comprises demonstration pull bar, show lever, divide-shut brake display board sum counter, show that pull bar is connected on main shaft connecting lever, show that pull bar sockets demonstration lever one end, show the support of lever middle part, show that the lever other end connects the divide-shut brake display board for corresponding circuit breaker display window, show the corresponding counter of the arbitrary end of lever.
Compared with prior art, the utility model has the advantages that:
1, each mechanism of circuit breaker is all installed on organization soleplate, organization soleplate is integrated into large module, side in large module is slidably installed with bottom surface is corresponding with insulation cabinet, when installation outside by each assembling parts on organization soleplate and slide and advance insulation cabinet fixing, otherwise while maintenance, pull out insulation cabinet, whole enter whole go out, it is convenient to assemble, overhaul, improve operating efficiency, reduced production, the cost of overhaul, be applicable to the use of insulation cabinet miniaturization;
2, when electric switch-on, motor power is connected, electric-motor drive power shaft, on power shaft, initiatively half-clutch device engages with driven half-clutch device normality under brake spring effect, chain wheel set on driven half-clutch device by power shaft through master, driven half-clutch device power input, chain wheel set is driven and is driven combined floodgate axle to rotate by motor, ECDC brake cam drives combined floodgate connection rod set, combined floodgate cam pushes against the hinged end of combined floodgate plate and drive plate, combined floodgate plate driver under stress combined floodgate connecting lever makes main shaft rotation, main shaft rotarily drives break-make connecting lever and connects vacuum tube realization combined floodgate in insulation cabinet via excess of stroke spring.Now, the same driver under stress fanning strip of actuating arm is around its middle part moving rotary, in revotating card access dropout plate one end, top roller groove of fanning strip, dropout plate other end plate one end roller groove that makes under via under-voltage spring action at device for under-voltage releasing equipment to thread off prevents with fanning strip top clamping the separating brake that gets loose closing a floodgate all the time, guarantees to close a floodgate stable.Connect the power supply go side auxiliary switch adhesive clutch lever other end of motor simultaneously, rotation clutch lever one end promotes the driven half-clutch device of initiatively half-clutch device compression brake spring disengagement and is connected with the power transmission of power shaft, avoid motor rotation to kill damage, motor rotation safeguard protection, the disconnection of power transmission when combined floodgate extension spring synchronous reset sprocket wheel is guaranteed to close a floodgate, guarantees system authority running safeguard protection;
3, when closing by hand, manually on a cant board of axle cross-under and organization soleplate, insulation cabinet side is provided with a horizontal U-shaped groove, the manually axle horizontal U-shaped groove of cross-under and be fixed on insulation cabinet side bearing pedestal successively, manually beam warp hand chain wheel group transmission combined floodgate axle, combined floodgate axle power is by manual beam warp by providing manually, and its combined floodgate and protection principle are the same with electric switch-on;
4, when electronic separating brake, electronic release sockets in the dropout plate plate one end that makes to thread off and warps, dropout plate one end warps and makes its roller groove unclamp the clamping to fanning strip top, fanning strip drives drive plate to drive the rotation of combined floodgate plate under the effect of return spring, combined floodgate plate to combined floodgate connecting lever without actuating force, main shaft is in separating brake extension spring by reverse rotation under the active force of separating brake connecting lever, and main shaft reverse rotation drives break-make connecting lever to throw off vacuum tube in insulation cabinet via excess of stroke spring and realizes separating brake.Now, the rotation of combined floodgate connecting lever return, replys impulsive force by the reverse restriction buffering combined floodgate connecting lever of non-return adjustment screw in the moment of separating brake extension spring by non-return lever, avoids damaging the hard connection of mechanism and pushing against, and guarantees system authority running safeguard protection.
5, when manual brake separating, press a point flashboard, as point, the moving point restrictor bar of strip rises, and point restrictor bar rises and drives a dropout plate to warp to make its roller groove unclamp the clamping to fanning strip top, and its separating brake and protection principle are the same with electronic separating brake;
6, when under-voltage protection, under "on" position, when voltage under circuit breaker environment for use is lower than 35% time, unclamp the tension of under-voltage spring to the dropout plate other end by device for under-voltage releasing equipment energising, the dropout plate other end presses down, and on dropout plate one end, rises and unclamps the clamping to fanning strip, breaker open operation via roller groove, avoid operating on low voltage to damage, realize thus the system authority security protection under under-voltage condition.
7, show, count, when combined floodgate connecting lever divides, closes a floodgate, drive and show that pull bar pulls and show the lever motion that warps, show that the divide-shut brake display board on lever corresponds to circuit breaker display window demonstration switching state, and the corresponding lever counting break-make number of times that shows of counter, can be intuitively to external feedback working state of circuit breaker.
The utility model in circuit breaker, adopt the input of clutch for clutch control motor power, cam and lever group drive combined floodgate connecting lever, dropout plate with manual, electronic point, close mechanism, under-voltage, the buffer gear integrated operation mechanism that links, realize circuit breaker safe, stablize break-make, have simple in structure, compact, installation, easy to maintenance, break-make control is convenient, mechanical operation safety, the life-span is long.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 2 left view;
Fig. 3 is that motor is through driven by clutches combined floodgate axle construction schematic diagram;
Fig. 4 is closing transmission mechanism structural representation.
In figure: insulation cabinet 1, vacuum tube 2, break-make connecting lever 3, excess of stroke spring 4, main shaft 5, separating brake connecting lever 6, separating brake extension spring 7, combined floodgate connecting lever 8, organization soleplate 9, a mechanism left side, right riser 91, 92, motor 10, power shaft 11, initiatively half-clutch device 12, brake spring 13, driven half-clutch device 14, clutch lever 15, auxiliary switch 16, chain wheel set 17, combined floodgate extension spring 18, combined floodgate axle 19, cam 20, combined floodgate plate 21, drive plate 22, fanning strip 23, return spring 24, dropout plate 25, roller groove 26, electronic release 27, device for under-voltage releasing equipment 28, under-voltage spring 29, divide flashboard 30, divide restrictor bar 31, separating brake return spring 32, non-return lever 33, non-return adjustment screw 34, show pull bar 35, show lever 36, divide-shut brake display board 37, counter 38, manually axle 39, bearing pedestal 40, hand chain wheel mechanism 41.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Shown in Fig. 1-4, a kind of modularized circuit breaker comprises insulation cabinet 1, vacuum tube 2, break-make connecting lever 3, excess of stroke spring 4, main shaft 5, separating brake connecting lever 6, separating brake extension spring 7, combined floodgate connecting lever 8, organization soleplate 9, a mechanism left side, right riser 91, 92, motor 10, power shaft 11, initiatively half-clutch device 12, brake spring 13, driven half-clutch device 14, clutch lever 15, auxiliary switch 16, chain wheel set 17, combined floodgate extension spring 18, combined floodgate axle 19, cam 20, combined floodgate plate 21, drive plate 22, fanning strip 23, return spring 24, dropout plate 25, roller groove 26, electronic release 27, device for under-voltage releasing equipment 28, under-voltage spring 29, divide flashboard 30, divide restrictor bar 31, separating brake return spring 32, non-return lever 33, non-return adjustment screw 34, show pull bar 35, show lever 36, divide-shut brake display board 37, counter 38, manually axle 39, bearing pedestal 40 and hand chain wheel mechanism 41.Main shaft 5 is connected on insulation cabinet 1, on main shaft 5, fix cross-under break-make connecting lever 3, combined floodgate connecting lever 8 and separating brake connecting lever 6, break-make connecting lever 3 connects vacuum tube 2 through excess of stroke spring 4, separating brake connecting lever 6 sockets on insulation cabinet 1 through separating brake extension spring 7, and organization soleplate 9 sliding bearings are corresponding in insertion insulation cabinet and engage combined floodgate connecting lever transmission cooperation or pull out the state that the transmission of insulation cabinet disengagement combined floodgate connecting lever coordinates in insulation cabinet 1; Motor 10 is installed on organization soleplate 9, power shaft 11 and combined floodgate axle 19 are connected on the left and right riser 91,92 of mechanism of organization soleplate 9, motor 10 transmission power shafts 11, power shaft 11 is through chain wheel set 17 transmission combined floodgate axles 19, combined floodgate axle 19 ECDC brake cams 20 drive combined floodgate connection rod set transmission combined floodgate connecting lever to be and rotarily drive main shaft "on" position, and any sprocket wheel of chain wheel set 17 rotates the combined floodgate extension spring 1 of replying after being provided with and making sprocket wheel turn over certain angle; Manually on the right side riser 92 of axle 39 through cross-under after insulation cabinet 1 side plate and organization soleplate 9, insulation cabinet 1 side is provided with a horizontal U-shaped groove, the manually axle 39 horizontal U-shaped groove of cross-under and be fixed on insulation cabinet side bearing pedestal 40 successively, manually axle 39 is through hand chain wheel group 41 transmission combined floodgate axles 19.
Shown in Fig. 2, power shaft is provided with the clutch of clutch motor to combined floodgate connecting lever power transmission, clutch and the interlock of motor power break-make, clutch and main shaft rotating gang, clutch comprises master, from dynamic clutch 12, 14, initiatively half-clutch device 12 slides and is connected on power shaft 11 through brake spring 13, driven half-clutch device 14 is connected on power shaft 11, initiatively half-clutch device 12 with the corresponding clutch position of driven half-clutch device 14 between combined floodgate connecting lever 8 and chain wheel set 17, the corresponding initiatively half-clutch device 120 in one end of clutch lever 15 arranges and is lever rotation and promotes initiatively half-clutch device 12 and compress brake spring 13 and throw off the state that driven half-clutch device 14 is connected with the power transmission of power shaft, the corresponding power supply go side auxiliary switch 16 that connects motor 10 that is provided with on the other end of 15 clutch levers.
Shown in Fig. 4, combined floodgate connection rod set comprises combined floodgate plate 21, drive plate 22 and fanning strip 23, combined floodgate plate 21 one end are movably hinged combined floodgate connecting lever 8, combined floodgate plate 21 other end hinged drive plate 22 one end and hinged place push against the cam 20 on combined floodgate axle 19, the drive plate hinged fanning strip of 22 other end 23 lower ends, fanning strip 23 middle parts are movably hinged and are fixed in insulation cabinet, dropout plate 25 is set in parallel in main shaft 5 tops, dropout plate 25 is provided with the roller groove 26 perpendicular to combined floodgate axle 19 directions, dropout plate supports and is seesaw structure along roller groove direction middle part, the other end of fanning strip 23 from bottom to top clamping enters to thread off in plate roller groove 26 and this end sockets through return spring 24, dropout plate 25 supports around middle part to lift up and is roller groove clamping fanning strip 23 upper end restriction combined floodgate axle 19 rotation status, what point restrictor bar 31 lower ends were connected in dropout plate 25 lifts up end together, dividing flashboard 30 connection point restrictor bar 31 upper ends to be rotatable drive divides restrictor bar 31 drive 25 of dropout plates to lift up and divide a flashboard 30 to be connected with separating brake return spring 32, electronic release 27 sockets in the end of lifting up together of dropout plate 25 and supports and be seesaw structure along vertical combined floodgate axle 19 directions, device for under-voltage releasing equipment 28 sockets and lifts up end in another of dropout plate 25 and support and be seesaw structure along vertical combined floodgate axle 19 directions through under-voltage spring 29, movable handing-over non-return lever 33 one end on combined floodgate connecting lever 8, non-return lever 33 middle parts are movably hinged fixing, be pressed on screw thread adjustable lifting and be fixed on non-return adjustment screw 34 tops in insulation cabinet under non-return lever 33 other ends, on combined floodgate connecting lever 19, connect and show pull bar 35, show that pull bar 35 sockets demonstration lever 36 one end, show lever 36 middle parts supports, show that lever 36 other ends connect the divide-shut brake display board 37 for corresponding circuit breaker display window, show the arbitrary end correspondence of lever counter 38.
Claims (2)
1. the under-voltage brake separating mechanism of circuit breaker, it is characterized in that: under-voltage brake separating mechanism comprises device for under-voltage releasing equipment, under-voltage spring and dropout plate, dropout plate is set in parallel in main shaft top, dropout plate supports and is seesaw structure along vertical combined floodgate direction of principal axis, device for under-voltage releasing equipment through under-voltage spring socket in dropout plate arbitrarily lift up end.
2. the under-voltage brake separating mechanism of a kind of circuit breaker according to claim 1, it is characterized in that: also comprise splitting lock cushioning mechanism and display unit, described splitting lock cushioning mechanism comprises non-return lever and non-return adjustment screw, the movable handing-over in non-return lever one end combined floodgate connecting lever, non-return lever middle part is movably hinged fixing, under the non-return lever other end, be pressed on screw thread adjustable lifting and be fixed on the non-return adjustment screw top in insulation cabinet, described display unit comprises demonstration pull bar, show lever, divide-shut brake display board sum counter, show that pull bar is connected on main shaft connecting lever, show that pull bar sockets demonstration lever one end, show the support of lever middle part, show that the lever other end connects the divide-shut brake display board for corresponding circuit breaker display window, show the corresponding counter of the arbitrary end of lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394183.5U CN203983207U (en) | 2014-07-17 | 2014-07-17 | The under-voltage brake separating mechanism of a kind of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394183.5U CN203983207U (en) | 2014-07-17 | 2014-07-17 | The under-voltage brake separating mechanism of a kind of circuit breaker |
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| Publication Number | Publication Date |
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| CN203983207U true CN203983207U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394183.5U Active CN203983207U (en) | 2014-07-17 | 2014-07-17 | The under-voltage brake separating mechanism of a kind of circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016008251A1 (en) * | 2014-07-17 | 2016-01-21 | 谢翠斌 | Modular breaker |
-
2014
- 2014-07-17 CN CN201420394183.5U patent/CN203983207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016008251A1 (en) * | 2014-07-17 | 2016-01-21 | 谢翠斌 | Modular breaker |
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| GR01 | Patent grant |