CN106090161A - The middle servo conical pulley variable-speed device with the little friction pulley that can move along a straight line - Google Patents
The middle servo conical pulley variable-speed device with the little friction pulley that can move along a straight line Download PDFInfo
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- CN106090161A CN106090161A CN201610464864.8A CN201610464864A CN106090161A CN 106090161 A CN106090161 A CN 106090161A CN 201610464864 A CN201610464864 A CN 201610464864A CN 106090161 A CN106090161 A CN 106090161A
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- cone pulley
- pulley
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- little friction
- post
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
A kind of centre is with the servo conical pulley variable-speed device of the little friction pulley that can move along a straight line, including power shaft, power shaft termination periphery and input cone pulley inner headed face matched in clearance, be provided with the first steel ball (post) V-shaped groove automatic pressurizing device between power shaft and input cone pulley；Input cone pulley imparts power to export accordingly cone pulley by more than one little friction pulley, the termination periphery of output cone pulley inner headed face and output shaft is matched in clearance, it is provided with the second steel ball (post) V-shaped groove automatic pressurizing device between output cone pulley and output shaft, the present invention can realize infinitely variable speeds, and it is simple and compact for structure, speed governing is convenient accurately, can transmit high torque when many cones coordinate.
Description
Technical field
The present invention relates to conical ring formula buncher technical field, be specifically related in the middle of one with little the rubbing that can move along a straight line
Wipe the servo conical pulley variable-speed device of wheel.
Background technology
Automobile gear shift mode mainly has manual transmission MT, hydraulic automatic change speed gear box AT, metal belt type stepless variable case
CVT, conical ring formula buncher KRG, electronic automatic mechanical transmission, double clutch gearbox DSG etc., wherein electrodeless variable-speed
Mode mainly has hydraulic automatic change speed gear box AT, metal belt type stepless variable case CVT, conical ring formula buncher KRG etc..
(German: Kegel Ring Getriebe is referred to as to invent the conical ring formula buncher KRG front in more than 100 years
KRG), it utilize two bullets in the middle of the mode of large-sized annular element be installed transmit power, this speed governing annular element straight
Footpath is more than the maximum gauge of a bullet, and this annular element makes it move linearly to reach to adjust under extraneous speed governing dynamic action simultaneously
The purpose of speed.Above-mentioned this conical ring formula buncher KRG has the disadvantage that
(1) size of speed ring has exceeded the maximum gauge of a bullet, huge structure.
(2) being relatively large in diameter of speed ring, causes rotary inertia big, the constraint of speed ring and control very flexible.
(3) speed ring is dependent on external force single side control, and by force unbalance serious wear, service life is low, needs specific
Traction.
(4) manufacturing process is complicated, and the requirement to material and processing is higher, and cost is high.
In view of conical ring formula buncher KRG exists above not enough, although this technological invention more than 100 year, but alive
Promote the most on a large scale in the range of boundary and come.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide in the middle of one with moving along a straight line
The servo conical pulley variable-speed device of little friction pulley, uses little friction pulleys in the middle of two cone pulleys, by Serve Motor Control it
Linear motion, have simple and compact for structure, primary drive parts stress is good, and speed governing is convenient accurately, and when taking, many cone pulleys are defeated
The advantages such as high torque can be transmitted when going out.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of centre is with the servo conical pulley variable-speed device of the little friction pulley that can move along a straight line, including power shaft 1, input
Axle 1 termination periphery and input cone pulley 4 inner headed face matched in clearance, be provided with by steel ball (post) V between power shaft 1 and input cone pulley 4
Shape groove, the first rolling element 2 and wheel for inputting load steel ball (post) V-shaped groove of axle 3 and form the first steel ball (post) V-shaped groove Self-pressurizing agri dress
Putting, wheel for inputting is loaded axle 3 and is connected with input cone pulley 4 by spline, axially can slide between them, input cone pulley 4 and input
Wheel loads the preload needed to provide frictional drive between axle 3 equipped with the first holddown spring 5, and power shaft 1 and wheel for inputting add
Carry and relatively rotate the part normal pressure that the first compression spring 5 is compressed provides frictional drive to need between axle 3；
Input cone pulley 4 imparts power to export cone pulley 9 accordingly by more than one little friction pulley 6, exports cone pulley 9
The termination periphery of inner headed face and output shaft 7 is matched in clearance, is provided with and is added by output wheel between output cone pulley 9 and output shaft 7
Steel ball (post) V-shaped groove carrying steel ball (post) V-shaped groove of axle 10, the second rolling element 8 and output shaft 7 forms the second steel ball (post) V-arrangement
Groove automatic pressurizing device, output cone pulley 9 loads axle 10 by internal spline with output wheel and is connected, axially can slide between them,
Output cone pulley 9 and output wheel load the preload needed to provide frictional drive between axle 10 equipped with the second holddown spring 11,
Output wheel loads relatively rotating between axle 10 and output shaft 7 and can be compressed the second compression spring 11 providing frictional drive to need
The part normal pressure wanted.
When using a little friction pulley 6 and an output cone pulley 9 carries out power transmission, the axis of input cone pulley 4, little rub
Wipe the axis of wheel 6 and the axis of output cone pulley 9 in approximately the same plane.
When using the little friction pulley of two or more 6 to carry out power transmission with two or more output cone pulley 9, input cone pulley 4
Axis, the axis of little friction pulley 6 and corresponding output cone pulley 9 axis in approximately the same plane, power be transferred to each output cone pulley 9 with
It is aggregated into output gear 13 afterwards by gear-driven mode.
The driving force employing of described little friction pulley 6 movement between cone pulley is electronic, hydraulic pressure, pneumatic mode are carried out.
Described steel ball (post) V-shaped groove automatic pressurizing device also is able to use cam charger or spring charging device to enter
Row is replaced.
Described input cone pulley 4, between output cone pulley 9 and little friction pulley 6, fill traction.
The invention have the benefit that
Middle little friction pulley size is little, simple and compact for structure, and in the middle of available two cone pulleys, speed adjusting gear is arranged in existing space,
Space availability ratio is high；Driving little friction pulley by motor or other drive mechanisms, speed governing is accurately and timely；Little friction pulley can obtain
Well supporting, stable force-bearing situation is good；According to load regulation contact surface just there is steel ball (post) V-shaped groove automatic pressurizing device
Pressure, can improve each parts force-bearing situation；High torque can be transmitted when multipair cone coordinates.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention 1.
Fig. 2 is the cross section isoboles of the embodiment of the present invention 1.
Fig. 3 is the front view of two couples cone stepless speed change device of the embodiment of the present invention 2.
Fig. 4 is the cross section isoboles of two couples cone stepless speed change device of the embodiment of the present invention 2.
Fig. 5 is the front view of four couples cone stepless speed change device of the embodiment of the present invention 3.
Fig. 6 is the cross section isoboles of four couples cone stepless speed change device of the embodiment of the present invention 3.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1, as depicted in figs. 1 and 2, a kind of centre is stepless with the servo cone pulley type of the little friction pulley that can move along a straight line
Variator, including power shaft 1, power shaft 1 termination periphery and input cone pulley 4 inner headed face matched in clearance, power shaft 1 and input cone
It is provided with between wheel 4 and is formed first by steel ball (post) V-shaped groove of steel ball (post) V-shaped groove, the first rolling element 2 and wheel for inputting loading axle 3
Steel ball (post) V-shaped groove automatic pressurizing device, wheel for inputting is loaded axle 3 and is connected with input cone pulley 4 by spline, axial energy between them
Enough slips, input cone pulley 4 and wheel for inputting load the pre-add needed to provide frictional drive between axle 3 equipped with the first holddown spring 5
Load, power shaft 1 and wheel for inputting load relatively rotating between axle 3 and are compressed the first compression spring 5 providing friction to pass
The dynamic part normal pressure needed；
Input cone pulley 4 imparts power to an output cone pulley 9 by a little friction pulley 6, output cone pulley 9 inner headed face and
The termination periphery of output shaft 7 is matched in clearance, is provided with and is loaded axle 10 by output wheel between output cone pulley 9 and output shaft 7
Steel ball (post) V-shaped groove of steel ball (post) V-shaped groove, the second rolling element 8 and output shaft 7 forms the second steel ball (post) V-shaped groove and automatically adds
Pressure device, output cone pulley 9 loads axle 10 by internal spline with output wheel and is connected, axially can slide, export cone pulley 9 between them
With output wheel loads the preload needed to provide frictional drive between axle 10 equipped with the second holddown spring 11, output wheel loads
Relatively rotating between axle 10 and output shaft 7 just can be compressed the part of offer frictional drive needs to the second compression spring 11
Pressure.
By regulating the little friction pulley 6 position between input cone pulley 4 and output cone pulley 9, gear ratio is changed with regard to continuous print,
Reach infinitely variable speeds, input cone pulley 4 and output cone pulley 9 and have compression spring and steel ball (post) V-shaped groove automatic pressurizing device, compression
Spring ensures the abundance of initial pressure, and steel ball (post) V-shaped groove automatic pressurizing device gives corresponding pressure along with the change of load
Supplement.
For improving hauling ability, at input cone pulley 4, between output cone pulley 9 and little friction pulley 6, fill traction.
The operation principle of the present embodiment is:
During work, power is incoming from power shaft 1, by the first steel ball (post) the V-shaped groove Self-pressurizing agri within input cone pulley 4
Device imparts power to wheel for inputting and loads axle 3, and wheel for inputting is loaded axle 3 and reached by power by the cooperation of spline and input cone pulley 4,
By the way of frictional drive, power reaches output cone pulley 9 from input cone pulley 4 through little friction pulley 6, and output cone pulley 9 passes through spline
Cooperation impart power to output wheel and load axle 10, output wheel load axle 10 by internal the second steel ball (post) V-shaped groove from
Dynamic pressue device imparts power to output shaft 7.Spring within cone pulley provides the initial of frictional drive needs to cone pulley
Precompression, thrust then automatically can be carried out by steel ball (post) the V-shaped groove automatic pressurizing device within cone pulley according to the size of load
Regulation, the most not only ensure that the thrust of abundance but also does not results in the destruction that thrust surplus causes.By continuously adjusting little rubbing
Wipe wheel 6 positions on the axis parallel with cone pulley bus and just can realize stepless speed regulation.
Embodiment 2, as shown in Figure 3 and Figure 4, two pairs of conical pulley stepless speed change devices, it is with the difference of embodiment 1,
Being two with the cooperate output cone pulley 9 of transmission power of input cone pulley 4, each output cone pulley 9 is internal all the second compression spring
11 and second steel ball (post) V-shaped groove automatic pressurizing device each output cone pulley 9 is pressed to little friction pulley 6 to provide needed for frictional drive
Normal pressure, two output shafts 7 are provided with equivalently-sized travelling gear 12, two travelling gears 12 and output gear 13 phase
Engagement mutually, power exports from output gear 13 right-hand member axle.
Embodiment 3, as shown in Figure 5 and Figure 6, four pairs of conical pulley stepless speed change devices, it is with the difference of embodiment 2,
Being four with the cooperate output cone pulley 9 of transmission power of input cone pulley 4, each output cone pulley 9 is internal all the second compression spring
11 and second steel ball (post) V-shaped groove automatic pressurizing device each output cone pulley 9 is pressed to little friction pulley 6 to provide needed for frictional drive
Normal pressure, four output shafts 7 are mounted on equivalently-sized travelling gear 12, travelling gear 12 is mutual with output gear 13
Engagement, power exports from output gear 13 right-hand member axle.
Export process and embodiment 1 phase of power transmission the output shaft 7 of cone pulley 9 correspondence to each from power shaft 1
With, power is converged to output gear 13 by travelling gear 12 by four output shafts 7, and four arranging of cone pulley 9 of output can be big
The big ability promoting power transmission.It is stepless by each little friction pulley 6 coordinated signals of position on axis is just realized many cone pulleys
The infinitely variable speeds of speed change gear.
Claims (6)
1. centre is with a servo conical pulley variable-speed device for the little friction pulley that can move along a straight line, and including power shaft (1), it is special
Levy and be: power shaft (1) termination periphery and input cone pulley (4) inner headed face matched in clearance, power shaft (1) and input cone pulley (4)
Between be provided with and loaded steel ball (post) V-shaped groove of axle (3) by steel ball (post) V-shaped groove, the first rolling element (2) and wheel for inputting and form first
Steel ball (post) V-shaped groove automatic pressurizing device, wheel for inputting is loaded axle (3) and is connected with input cone pulley (4) by spline, their countershaft
To sliding, equipped with the first holddown spring (5) to provide frictional drive between input cone pulley (4) and wheel for inputting loading axle (3)
The preload needed, power shaft (1) and wheel for inputting load relatively rotating between axle (3) to be carried out the first compression spring (5)
Compress the part normal pressure to provide frictional drive to need；
Input cone pulley (4) imparts power to export cone pulley (9) accordingly by more than one little friction pulley (6), output cone
The termination periphery of wheel (9) inner headed face and output shaft (7) is matched in clearance, is provided with between output cone pulley (9) and output shaft (7)
Steel ball (post) V-shaped groove being loaded steel ball (post) V-shaped groove of axle (10), the second rolling element (8) and output shaft (7) by output wheel forms
Second steel ball (post) V-shaped groove automatic pressurizing device, output cone pulley (9) loads axle (10) by internal spline with output wheel and is connected, it
Axially can slide between, equipped with the second holddown spring (11) to carry between output cone pulley (9) and output wheel loading axle (10)
The preload needed for frictional drive, output wheel loads relatively rotating between axle (10) and output shaft (7) and can press second
Contracting spring (11) is compressed the part normal pressure providing frictional drive to need.
A kind of centre the most according to claim 1 is with the servo cone pulley type infinitely variable speeds of the little friction pulley that can move along a straight line
Device, it is characterised in that: when using a little friction pulley (6) and output cone pulley (9) carries out power transmission, input cone pulley
(4) axis of axis, the axis of little friction pulley (6) and output cone pulley (9) is in approximately the same plane.
A kind of centre the most according to claim 1 is with the servo cone pulley type infinitely variable speeds of the little friction pulley that can move along a straight line
Device, it is characterised in that: when using the little friction pulley of two or more (6) and two or more output cone pulley (9) to carry out power transmission, defeated
Enter the axis of cone pulley (4), the axis of little friction pulley (6) and corresponding output cone pulley (9) axis to be transferred at approximately the same plane, power
Each output cone pulley (9) is aggregated into output gear (13) by gear-driven mode later.
A kind of centre the most according to claim 1 is with the servo cone pulley type infinitely variable speeds of the little friction pulley that can move along a straight line
Device, it is characterised in that: the driving force of described little friction pulley (6) movement between cone pulley uses electronic, hydraulic pressure, pneumatic mode
Carry out.
A kind of centre the most according to claim 1 is with the servo cone pulley type infinitely variable speeds of the little friction pulley that can move along a straight line
Device, it is characterised in that: described steel ball (post) V-shaped groove automatic pressurizing device also is able to use cam charger or spring to load
Device is replaced.
A kind of centre the most according to claim 1 is with the servo cone pulley type infinitely variable speeds of the little friction pulley that can move along a straight line
Device, it is characterised in that: described input cone pulley (4), filling traction between output cone pulley (9) and little friction pulley (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464864.8A CN106090161B (en) | 2016-06-23 | 2016-06-23 | Servo conical pulley variable-speed device of the centre with the small friction pulley that can move along a straight line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464864.8A CN106090161B (en) | 2016-06-23 | 2016-06-23 | Servo conical pulley variable-speed device of the centre with the small friction pulley that can move along a straight line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090161A true CN106090161A (en) | 2016-11-09 |
| CN106090161B CN106090161B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610464864.8A Active CN106090161B (en) | 2016-06-23 | 2016-06-23 | Servo conical pulley variable-speed device of the centre with the small friction pulley that can move along a straight line |
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| CN (1) | CN106090161B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533709A (en) * | 2018-06-27 | 2018-09-14 | 徐宇 | Idler wheel drive stepless speed changing case |
| CN108591381A (en) * | 2018-04-12 | 2018-09-28 | 江苏理工学院 | A kind of novel cone pulley drive stepless speed changing system |
| CN108679181A (en) * | 2018-07-12 | 2018-10-19 | 上海欣原汽车技术开发有限公司 | A kind of cone Belt-type Adjustable-speed Drive device |
| CN108708947A (en) * | 2018-05-30 | 2018-10-26 | 徐州工业职业技术学院 | A kind of stepless speed change device of frictional drive |
| CN109611524A (en) * | 2019-01-31 | 2019-04-12 | 曹瑞 | A kind of buncher |
| CN110434614A (en) * | 2019-07-31 | 2019-11-12 | 王卫东 | A kind of preparation facilities of blood vessel section blood vessel bracket |
| CN110774115A (en) * | 2019-10-30 | 2020-02-11 | 福建巨昂电子科技有限公司 | Surface grinding and polishing device for production and processing of automobile mold |
| CN111219466A (en) * | 2019-02-28 | 2020-06-02 | 西安交通大学 | Symmetrical multi-cone-ring friction type automobile continuously variable transmission |
| CN111779808A (en) * | 2019-12-12 | 2020-10-16 | 内蒙古农业大学 | Variable diameter continuously variable transmission |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291759A (en) * | 1999-04-08 | 2000-10-20 | Nobuhiko Tanbara | Continuously variable transmission |
| KR20060063045A (en) * | 2004-12-07 | 2006-06-12 | 김도환 | Cone type traction cvt |
| CN202579844U (en) * | 2012-05-23 | 2012-12-05 | 浙江师范大学 | Conical infinitely variable transmission |
| CN103016660A (en) * | 2012-12-31 | 2013-04-03 | 郭克亚 | Long cone and rolling cone type CVT (continuously variable transmission) |
| CN103075483A (en) * | 2013-01-13 | 2013-05-01 | 郭克亚 | Long-cone rolling-cone type CVT (Continuously Variable Transmission) |
| CN103498894A (en) * | 2013-10-17 | 2014-01-08 | 郭克亚 | Roller cone disc type continuously variable transmission |
| CN103791051A (en) * | 2014-03-04 | 2014-05-14 | 杨科 | Stepless speed regulator driven by friction wheel |
| CN204628443U (en) * | 2015-05-25 | 2015-09-09 | 吴结华 | A kind of stepless speed variator |
-
2016
- 2016-06-23 CN CN201610464864.8A patent/CN106090161B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291759A (en) * | 1999-04-08 | 2000-10-20 | Nobuhiko Tanbara | Continuously variable transmission |
| KR20060063045A (en) * | 2004-12-07 | 2006-06-12 | 김도환 | Cone type traction cvt |
| CN202579844U (en) * | 2012-05-23 | 2012-12-05 | 浙江师范大学 | Conical infinitely variable transmission |
| CN103016660A (en) * | 2012-12-31 | 2013-04-03 | 郭克亚 | Long cone and rolling cone type CVT (continuously variable transmission) |
| CN103075483A (en) * | 2013-01-13 | 2013-05-01 | 郭克亚 | Long-cone rolling-cone type CVT (Continuously Variable Transmission) |
| CN103498894A (en) * | 2013-10-17 | 2014-01-08 | 郭克亚 | Roller cone disc type continuously variable transmission |
| CN103791051A (en) * | 2014-03-04 | 2014-05-14 | 杨科 | Stepless speed regulator driven by friction wheel |
| CN204628443U (en) * | 2015-05-25 | 2015-09-09 | 吴结华 | A kind of stepless speed variator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591381A (en) * | 2018-04-12 | 2018-09-28 | 江苏理工学院 | A kind of novel cone pulley drive stepless speed changing system |
| CN108708947A (en) * | 2018-05-30 | 2018-10-26 | 徐州工业职业技术学院 | A kind of stepless speed change device of frictional drive |
| CN108533709A (en) * | 2018-06-27 | 2018-09-14 | 徐宇 | Idler wheel drive stepless speed changing case |
| CN108679181A (en) * | 2018-07-12 | 2018-10-19 | 上海欣原汽车技术开发有限公司 | A kind of cone Belt-type Adjustable-speed Drive device |
| CN109611524A (en) * | 2019-01-31 | 2019-04-12 | 曹瑞 | A kind of buncher |
| CN111219466A (en) * | 2019-02-28 | 2020-06-02 | 西安交通大学 | Symmetrical multi-cone-ring friction type automobile continuously variable transmission |
| CN110434614A (en) * | 2019-07-31 | 2019-11-12 | 王卫东 | A kind of preparation facilities of blood vessel section blood vessel bracket |
| CN110774115A (en) * | 2019-10-30 | 2020-02-11 | 福建巨昂电子科技有限公司 | Surface grinding and polishing device for production and processing of automobile mold |
| CN111779808A (en) * | 2019-12-12 | 2020-10-16 | 内蒙古农业大学 | Variable diameter continuously variable transmission |
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