CN103883714A - Travelling continuously variable transmission with service life prolongable and strength increasable - Google Patents
Travelling continuously variable transmission with service life prolongable and strength increasable Download PDFInfo
- Publication number
- CN103883714A CN103883714A CN201210564618.1A CN201210564618A CN103883714A CN 103883714 A CN103883714 A CN 103883714A CN 201210564618 A CN201210564618 A CN 201210564618A CN 103883714 A CN103883714 A CN 103883714A
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- China
- Prior art keywords
- bearing
- roller bearing
- fixed
- oil cylinder
- continuously variable
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
Abstract
A travelling continuously variable transmission with service life prolongable and strength increasable comprises a thrust ball bearing, a lightweight cylindrical roller bearing, a heavyweight cylindrical roller bearing, a tapered roller bearing, a cylinder shaft, a cylinder sleeve, and a continuously variable driving wheel moving disc. The thrust ball bearing, the lightweight cylindrical roller bearing and the heavyweight cylindrical roller bearing are mounted in a sleeving manner in sequence and fixed on the cylinder shaft. The tapered roller bearing sleeves the cylinder sleeve inside the continuously variable driving wheel moving disc. The travelling continuously variable transmission has the advantages that capacity of bearing radial force and axial force is enhanced, the service life of the travelling continuously variable transmission structure is prolonged, the strength of the travelling continuously variable transmission structure is increased, normal operation of the continuously variable speed function of a corn machine is guaranteed, and the travelling continuously variable transmission is simple in structure and easy to assemble and can be assembled without adjusting bearing clearance.
Description
Technical field:
The invention belongs to the speed change gear using in a kind of farm machinery, the improved working life particularly using in a kind of corn machine and the walking stepless speed changes devices of intensity.
Background technique:
The walking infinitely variable speed structure of tradition corn machine adopts three tapered roller bearings, because existing corn machine weight is more and more heavier, the axial force that the tapered roller bearing of selecting in infinitely variable speed structure bears and radial force can not meet the demands, thereby cause bearing very easily to burn, greatly reduce life-span and the intensity of walking stepless speed changes devices, in addition tapered roller bearing gap is difficult to adjust, and causes assembling difficulty.
Summary of the invention
Object of the present invention is just to overcome above-mentioned the deficiencies in the prior art, and a kind of walking stepless speed changes devices that improves working life and intensity is provided, and this apparatus structure is simple, easy to assembly, can improve infinite variable speed intensity and working life.
As above design, technological scheme of the present invention is: a kind of walking stepless speed changes devices that improves working life and intensity, is characterized in that: comprise thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing, tapered roller bearing, oil cylinder axle, oil cylinder cover and stepless change driving wheel Moving plate; Thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing are set with successively and are fixed on oil cylinder axle, and tapered roller bearing is sleeved on that oil cylinder puts, in stepless change driving wheel Moving plate.
Above-mentioned thrust ball bearing adopts 51307, and bearing left side is fixed by pad, and bearing right side is fixed by thrust back-up ring.
Above-mentioned light cylindrical roller bearing adopts NU207E, and bearing inner race left side is fixed by back-up ring, and bearing inner race right side is fixed by spacer sleeve, and bearing outer ring left side is fixing by thrust back-up ring 35, and bearing outer ring right side is fixed by tooth hub inner convex platform.
Above-mentioned heavy duty roller bearing adopts NU2307E, is sleeved on oil cylinder axle, in tooth hub; Bearing inner race left side is fixed by spacer sleeve, and bearing inner race right side is fixed by the oil cylinder axle shaft shoulder; Bearing outer ring left side is fixed by tooth hub inner convex platform, and bearing outer ring right side is fixed by back-up ring 80.
Above-mentioned tapered roller bearing adopts 32014, and bearing outer ring left side is fixed by stepless change driving wheel Moving plate, and bearing inner race right side is fixed by the oil cylinder cover shaft shoulder.
The present invention has following advantage and good effect:
1, front end of the present invention adopts a thrust ball bearing and a light cylindrical roller bearing, and middle part adopts a heavy duty roller bearing, and tail end adopts a tapered roller bearing.It is axial force and radial force that walking stepless speed changes devices produces Force decomposition in the time there is stepless change, and axial force is born by thrust ball bearing and tapered roller bearing, and radial force is born by light cylindrical roller bearing and heavy duty roller bearing.Therefore, structure of the present invention has strengthened the ability of bearing radial force and axial force, has improved working life and the intensity of walking infinitely variable speed structure, has ensured the normal operation of corn machine stepless shift function.
2, the thrust ball bearing in the present invention, light cylindrical roller bearing, heavy duty roller bearing are set with successively and are fixed on oil cylinder axle, and tapered roller bearing is packed in that oil cylinder puts, in stepless change driving wheel Moving plate.Therefore, the present invention is simple in structure, be easy to assembling, and assembling does not need to adjust bearing play.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention.
In figure: 1-thrust ball bearing 51307,2-light cylindrical roller bearing NU207E, 3-heavy duty roller bearing NU2307E, 4-tapered roller bearing 32014,5-oil cylinder axle, 6-oil cylinder cover, 7-stepless change driving wheel Moving plate, 8-back-up ring 80,9-tooth hub, 10-spacer sleeve, 11-thrust back-up ring, 12-back-up ring 35, the large pad of 13-, 14-oil pipe, 15-belt.
Embodiment:
As shown in the figure: a kind of walking stepless speed changes devices that improves working life and intensity, comprises thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing, tapered roller bearing, oil cylinder axle, oil cylinder cover and stepless change driving wheel Moving plate; Thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing are set with successively and are fixed on oil cylinder axle, and tapered roller bearing is sleeved on that oil cylinder puts, in stepless change driving wheel Moving plate.
Above-mentioned thrust ball bearing adopts 51307, and bearing left side is fixed by large pad, and bearing right side is fixed by thrust back-up ring.
Above-mentioned light cylindrical roller bearing adopts NU207E, and bearing inner race left side is fixed by back-up ring, and bearing inner race right side is fixed by spacer sleeve, and bearing outer ring left side is fixing by thrust back-up ring 35, and bearing outer ring right side is fixed by tooth hub inner convex platform.
Above-mentioned heavy duty roller bearing adopts NU2307E, is sleeved on oil cylinder axle, in tooth hub; Bearing inner race left side is fixed by spacer sleeve, and bearing inner race right side is fixed by the oil cylinder axle shaft shoulder; Bearing outer ring left side is fixed by tooth hub inner convex platform, and bearing outer ring right side is fixed by back-up ring 80.
Above-mentioned tapered roller bearing adopts 32014, and bearing outer ring left side is fixed by stepless change driving wheel Moving plate, and bearing inner race right side is fixed by the oil cylinder cover shaft shoulder.
Working principle of the present invention is: pull stepless change handle, fluid flows into oil cylinder through oil pipe 14 and overlaps 6 inside, oil cylinder cover 6 drive tapered roller bearing 4 on it and stepless change driving wheel Moving plate 7 in rotation to left, belt 15 diameters are become to large, there is stepless speedup.In the time of fluid off-load, stepless change driving wheel Moving plate 7, by the passive stepless change spring reset of the other end, to right translation, diminishes belt 15 diameters when belt 15 drives 7 rotation of stepless change driving wheel Moving plate, stepless deceleration occurs, and this process is called stepless change process.The axial force producing in stepless change process is mainly born by thrust ball bearing 1 and tapered roller bearing 4.The radial force producing in this process is mainly born by light cylindrical roller bearing 2 and heavy duty roller bearing 3.
The present invention can increase the ability to bear of mechanism, and does not need to adjust bearing play, and simple and easy assembling improves infinite variable speed working life of walking and intensity, has ensured the normal operation of corn machine stepless shift function.
Claims (5)
1. the walking stepless speed changes devices that can improve working life and intensity, is characterized in that: comprise thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing, tapered roller bearing, oil cylinder axle, oil cylinder cover and stepless change driving wheel Moving plate; Thrust ball bearing, light cylindrical roller bearing, heavy duty roller bearing are set with successively and are fixed on oil cylinder axle, and tapered roller bearing is sleeved on that oil cylinder puts, in stepless change driving wheel Moving plate.
2. the walking stepless speed changes devices that improves working life and intensity according to claim 1, is characterized in that: above-mentioned thrust ball bearing adopts 51307, and bearing left side is fixed by pad, and bearing right side is fixed by thrust back-up ring.
3. the walking stepless speed changes devices that improves working life and intensity according to claim 1, it is characterized in that: above-mentioned light cylindrical roller bearing adopts NU207E, bearing inner race left side is fixed by back-up ring, bearing inner race right side is fixed by spacer sleeve, bearing outer ring left side is fixing by thrust back-up ring 35, and bearing outer ring right side is fixed by tooth hub inner convex platform.
4. the walking stepless speed changes devices that improves working life and intensity according to claim 1, is characterized in that: above-mentioned heavy duty roller bearing adopts NU2307E, is sleeved on oil cylinder axle, in tooth hub; Bearing inner race left side is fixed by spacer sleeve, and bearing inner race right side is fixed by the oil cylinder axle shaft shoulder; Bearing outer ring left side is fixed by tooth hub inner convex platform, and bearing outer ring right side is fixed by back-up ring 80.
5. the walking stepless speed changes devices that improves working life and intensity according to claim 1, it is characterized in that: above-mentioned tapered roller bearing adopts 32014, bearing outer ring left side is fixed by stepless change driving wheel Moving plate, and bearing inner race right side is fixed by the oil cylinder cover shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564618.1A CN103883714A (en) | 2012-12-19 | 2012-12-19 | Travelling continuously variable transmission with service life prolongable and strength increasable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210564618.1A CN103883714A (en) | 2012-12-19 | 2012-12-19 | Travelling continuously variable transmission with service life prolongable and strength increasable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103883714A true CN103883714A (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210564618.1A Pending CN103883714A (en) | 2012-12-19 | 2012-12-19 | Travelling continuously variable transmission with service life prolongable and strength increasable |
Country Status (1)
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|---|---|
| CN (1) | CN103883714A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923889B2 (en) * | 1979-05-28 | 1984-06-05 | 日本精工株式会社 | How to measure the thrust load of a roll in a rolling mill |
| CN2771245Y (en) * | 2004-11-11 | 2006-04-12 | 福建泉州凹凸精密机械有限公司 | Dial rotating mechanism for reversible knitting circular machine |
| CN201212550Y (en) * | 2008-07-01 | 2009-03-25 | 重庆工学院 | Electric speed regulating device of stepless transmission |
| CN201338099Y (en) * | 2008-12-30 | 2009-11-04 | 天津市第二机床有限公司 | Rotatable bearing tailstock unit for large lathe |
| CN201660121U (en) * | 2010-03-16 | 2010-12-01 | 浙江汉力士船用推进系统有限公司 | Bearing arrangement structure of high-power marine all-direction propeller |
| CN201664761U (en) * | 2010-03-02 | 2010-12-08 | 盐城浩大数控机床有限公司 | Locating structure for lathe spindle |
| CN202510646U (en) * | 2012-04-03 | 2012-10-31 | 佳木斯大学 | Hydraulic stepless transmission device |
| CN202540015U (en) * | 2011-11-14 | 2012-11-21 | 宁波明润瑞达机械科技有限公司 | Feed screw feeding device |
-
2012
- 2012-12-19 CN CN201210564618.1A patent/CN103883714A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923889B2 (en) * | 1979-05-28 | 1984-06-05 | 日本精工株式会社 | How to measure the thrust load of a roll in a rolling mill |
| CN2771245Y (en) * | 2004-11-11 | 2006-04-12 | 福建泉州凹凸精密机械有限公司 | Dial rotating mechanism for reversible knitting circular machine |
| CN201212550Y (en) * | 2008-07-01 | 2009-03-25 | 重庆工学院 | Electric speed regulating device of stepless transmission |
| CN201338099Y (en) * | 2008-12-30 | 2009-11-04 | 天津市第二机床有限公司 | Rotatable bearing tailstock unit for large lathe |
| CN201664761U (en) * | 2010-03-02 | 2010-12-08 | 盐城浩大数控机床有限公司 | Locating structure for lathe spindle |
| CN201660121U (en) * | 2010-03-16 | 2010-12-01 | 浙江汉力士船用推进系统有限公司 | Bearing arrangement structure of high-power marine all-direction propeller |
| CN202540015U (en) * | 2011-11-14 | 2012-11-21 | 宁波明润瑞达机械科技有限公司 | Feed screw feeding device |
| CN202510646U (en) * | 2012-04-03 | 2012-10-31 | 佳木斯大学 | Hydraulic stepless transmission device |
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Application publication date: 20140625 |