CN2931944Y - Oscillating gear tangential meshing type barring gear - Google Patents
Oscillating gear tangential meshing type barring gear Download PDFInfo
- Publication number
- CN2931944Y CN2931944Y CN 200620072902 CN200620072902U CN2931944Y CN 2931944 Y CN2931944 Y CN 2931944Y CN 200620072902 CN200620072902 CN 200620072902 CN 200620072902 U CN200620072902 U CN 200620072902U CN 2931944 Y CN2931944 Y CN 2931944Y
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- CN
- China
- Prior art keywords
- gear
- wobble gear
- tangential
- jigger
- hydraulic cylinder
- Prior art date
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Abstract
The utility model relates to an oscillating gear tangential engaged jigger device, especially a steam turbine wobble gear tangential engaged jigger device, which comprises a jigger motor, a transmission gear in the positive speed gearbox driven by the jigger motor, a swing span on the transmission gear shaft, a swing gear engaged with the transmission gear on the swing span, a oil cylinder driving a crank connecting link to drive the swing span and drive the swing gear and the big gear on the steam turbine rotor to engage at the back jigger from top of the parts. The structure has the disadvantage that like teeth top-to-top, it is not only hard to engage, but also damage the parts and interrupt. The utility model is characterized in that the hydraulic pressure cylinder is connected with a pressure relay whose oil inlet is connected with the hydraulic pressure cylinder, which is not only easy for engagement, but also will not damage parts.
Description
Technical field the utility model relates to the tangential engaging-in type barring gear of a kind of wobble gear tangential engaging-in type barring gear, particularly steam turbine wobble gear.
The tangential engaging-in type barring gear of the existing wobble gear of background technique, its purpose are to drop into jiggering when steam turbine needs jiggering, drive the turbine rotor rotation.Its formation is that a barring motor is arranged, drive a driving cog axle in the speed reducer, a swing frame is arranged on the driving cog axle, a wobble gear that is meshing with the driving cog axle is arranged on the swing frame, there is an oil hydraulic cylinder to drive crank-connecting rod and promotes swing frame, the action of a solenoid directional control valve control oil hydraulic cylinder is arranged, a handle is arranged on the crankshaft, the engagement position limit switch that puts in place is arranged on the speed reducer, when dropping into jiggering, solenoid directional control valve gets electric commutation, and oil hydraulic cylinder drives crank-connecting rod and promotes swing frame, is flapped toward gearwheel on the static turbine rotor with wobble gear, carry out tangentially engaging-in from tooth top and gearwheel, simultaneously the barring motor forward slowly runs, and drives the wobble gear forward by the driving cog axle and slowly runs, at the engaging-in gearwheel teeth groove of wobble gear tooth top and when deeply engagement puts in place, handle is depressed and is meshed the position limit switch contact that puts in place, the solenoid directional control valve outage, barring motor formally starts, and jiggering begins.Its deficiency be wobble gear and gearwheel carry out tangential when engaging-in such as tooth top collide, its tooth top can produce very big wedging extruding force during the wobble gear forward rotation on the gearwheel tooth top, must after being ground commentaries on classics by force, gearwheel can carry out deep engagement by engaging-in gearwheel teeth groove, so not only engaging-in difficulty, also can damage component, make to drop into and interrupt.
The purpose of this utility model be to avoid above-mentioned deficiency of the prior art and wobble gear that a kind of forward rotation is provided when its tooth top and gearwheel tooth top are collided, can be transformed to backward rotation change tooth top automatically collides, when the engaging-in gearwheel teeth groove of its tooth top, can be transformed to the tangential engaging-in type barring gear of wobble gear that forward rotation and gearwheel carry out deep engagement again automatically.
The model utility content for the wobble gear that overcomes the tangential engaging-in type barring gear of existing wobble gear forward rotation and gearwheel from tooth top tangential when engaging-in such as tooth top collide, the wobble gear tooth top can produce the wedging extruding force on the gearwheel tooth top, the deficiency of must be after gearwheel is ground commentaries on classics by force can engaging-in gearwheel teeth groove carrying out deep engagement, the utility model provides a kind of wobble gear tangential engaging-in type barring gear, the wobble gear of its forward rotation can be transformed to backward rotation automatically and change the tooth top situation of colliding when its tooth top and gearwheel tooth top are collided, can be transformed to forward rotation automatically again and gearwheel carries out deep engagement when the engaging-in gearwheel teeth groove of its tooth top.The technological scheme that its technical problem that solves the utility model adopts is: the tangential engaging-in type barring gear of a kind of wobble gear, a barring motor is arranged on it, drive a driving cog axle in the speed reducer, a swing frame is arranged on the driving cog axle, a wobble gear that is meshing with the driving cog axle is arranged on the swing frame, there is an oil hydraulic cylinder to drive crank-connecting rod and promotes swing frame, the action of a solenoid directional control valve control oil hydraulic cylinder is arranged, a handle is arranged on the crankshaft, the engagement position limit switch that puts in place is arranged on the speed reducer, and feature of the present utility model is that oil hydraulic cylinder connects its filler opening of pressure relay and communicates with the oil hydraulic cylinder oil pocket.
The utility model has following advantage compared to existing technology: when tooth top is collided, the wobble gear swing is obstructed, oil hydraulic cylinder oil pocket oil pressure is raise, pressure relay just can move and make barring motor be slowly run to be transformed to by forward to reversely rotate at low speed, thereby driving wobble gear reversely rotates at low speed, make the engaging-in gearwheel teeth groove that turns over that its tooth top slides on the gearwheel tooth top, this moment, oil hydraulic cylinder oil pocket oil pressure reduced, pressure relay just can reset barring motor is slowly run by reversely rotating at low speed and being transformed to forward, the wobble gear forward slowly runs and gearwheel carries out deep engagement thereby drive, so not only engaging-in easy, can not damage component yet, improve tangential engaging-in Security and the reliability of wobble gear.
Appended drawings is to describe an embodiment's of the present utility model plan view.
Embodiment the utility model is described in further detail below in conjunction with accompanying drawing: the tangential engaging-in type barring gear of a kind of wobble gear, a barring motor (1) is arranged on it, drive the driving cog axle (11) in the speed reducer (2), a swing frame (12) is arranged on the driving cog axle (11), a wobble gear (9) that is meshing with driving cog axle (11) is arranged on the swing frame (12), the crank swing frame (12) that promotion is connected with connecting rod (8) with connecting rod (8) on an oil hydraulic cylinder (7) the drive crankshaft (4) is arranged, a solenoid directional control valve (13) control oil hydraulic cylinder (7) action is arranged, a handle (3) is arranged on crankshaft (4), the engagement position limit switch (5) that puts in place is arranged on the speed reducer (2), and feature of the present utility model is that oil hydraulic cylinder (7) connects its filler opening of a pressure relay (6) and communicates with oil hydraulic cylinder (7) oil pocket.When needing to drop into jiggering, solenoid directional control valve (13) gets electric commutation, pressure oil enters oil hydraulic cylinder (7) oil pocket promotion piston drive crankshaft (4) thereby drives crank and connecting rod (8) promotion swing frame (12), be flapped toward gearwheel (10) on the static turbine rotor with wobble gear (9), carry out tangentially engaging-in from tooth top and gearwheel (10), barring motor (1) forward slowly runs simultaneously, driving wobble gear (9) forward by driving cog axle (11) slowly runs, colliding as tooth top this moment is obstructed wobble gear (9) swing, oil hydraulic cylinder (7) oil pocket oil pressure raises, pressure relay (6) action is transformed to barring motor (1) and reversely rotates at low speed, driving wobble gear (9) by driving cog axle (11) reversely rotates at low speed and changes the tooth top situation of colliding, when wobble gear (9) tooth top on gearwheel (10) tooth top, slide turn over engaging-in gearwheel (10) teeth groove the time oil hydraulic cylinder (7) oil pocket pressure reduce, pressure relay (6) resets and makes barring motor (1) be transformed to forward again to slowly run, drive by driving cog axle (11) that wobble gear (9) forward slowly runs and gearwheel (10) carries out deep engagement, the engagement back handle (3) that puts in place is depressed engagement position limit switch (5) contact that puts in place, solenoid directional control valve (13) outage, the formal starting of barring motor (1), jiggering begins.
Claims (1)
- The tangential engaging-in type barring gear of a kind of wobble gear, the tangential engaging-in type barring gear of steam turbine wobble gear particularly, a barring motor is arranged on it, drive a driving cog axle in the speed reducer, a swing frame is arranged on the driving cog axle, a wobble gear that is meshing with the driving cog axle is arranged on the swing frame, have an oil hydraulic cylinder to drive crank-connecting rod and promote swing frame, feature of the present utility model is that its filler opening of pressure relay of oil hydraulic cylinder connection communicates with the oil hydraulic cylinder oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072902 CN2931944Y (en) | 2006-04-21 | 2006-04-21 | Oscillating gear tangential meshing type barring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072902 CN2931944Y (en) | 2006-04-21 | 2006-04-21 | Oscillating gear tangential meshing type barring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2931944Y true CN2931944Y (en) | 2007-08-08 |
Family
ID=38348443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620072902 Expired - Fee Related CN2931944Y (en) | 2006-04-21 | 2006-04-21 | Oscillating gear tangential meshing type barring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2931944Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787905A (en) * | 2010-04-12 | 2010-07-28 | 杭州汽轮机股份有限公司 | Safe extracting device for electric barring gear |
| CN102401089A (en) * | 2011-11-24 | 2012-04-04 | 二重集团（德阳）重型装备股份有限公司 | High-speed gear box with low-speed starting function |
| CN102678203A (en) * | 2012-04-26 | 2012-09-19 | 哈尔滨汽轮机厂有限责任公司 | Planetary cycloid pin wheel balance wheel throw-in type barring device |
-
2006
- 2006-04-21 CN CN 200620072902 patent/CN2931944Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787905A (en) * | 2010-04-12 | 2010-07-28 | 杭州汽轮机股份有限公司 | Safe extracting device for electric barring gear |
| CN101787905B (en) * | 2010-04-12 | 2013-04-17 | 杭州汽轮机股份有限公司 | Safe extracting device for electric barring gear |
| CN102401089A (en) * | 2011-11-24 | 2012-04-04 | 二重集团（德阳）重型装备股份有限公司 | High-speed gear box with low-speed starting function |
| CN102678203A (en) * | 2012-04-26 | 2012-09-19 | 哈尔滨汽轮机厂有限责任公司 | Planetary cycloid pin wheel balance wheel throw-in type barring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070808 Termination date: 20100421 |