CN103851147A - CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion - Google Patents
CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion Download PDFInfo
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- CN103851147A CN103851147A CN201410100902.2A CN201410100902A CN103851147A CN 103851147 A CN103851147 A CN 103851147A CN 201410100902 A CN201410100902 A CN 201410100902A CN 103851147 A CN103851147 A CN 103851147A
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- connecting rod
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- speed changer
- rod pivot
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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
- 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
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion. The CVT speed changer comprises an input shaft and an output shaft, wherein a variable-stroke device is arranged on the input shaft; an input end connecting rod pivot at one end of a connecting rod is arranged on the variable-stroke device, and an output end connecting rod pivot at the other end of the connecting rod is mounted on a one-way clutch; the one-way clutch is connected with the output shaft; the end part of the output shaft outputs motion through a gear speed changing mechanism. Compared with the conventional CVT speed changer, the CVT speed changer based on the variable-stroke reciprocating motion has the advantages that a hydraulic piston cylinder and an input clutch are removed from a system, so that friction loss and loss in a special stage in a running process can be reduced, and high-efficiency starting is realized.
Description
Technical field
The present invention relates to a kind of based on the reciprocating CVT speed changer of route-variable.
Background technique
General stepless speed variator is in the time of work, variable part is made up of driving wheel, V-type metal tape and driven wheel, each belt wheel is with bevelled cone dish to form by two, one of them cone dish is fixed, and another cone dish makes it axially reach the object of speed change by transmission control module control hydrovalve.In prior art, CVT(Continuously Variable Transmission, continuous variable transmission) structure not only complicated, technical difficulty is large; And component manufacture cost is high; Steel band skids and cannot accurately control, and causes transmission efficiency low; Meanwhile, existing CVT adopts hydraulic control, compares mechanical transmission transmission efficiency low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of based on the reciprocating CVT speed changer of route-variable for problems of the prior art, its objective is that the turning radius by changing the input end connecting rod pivot being connected with input shaft realizes speed change, hydraulic piston cylinder and input clutch are saved, reduce the loss in frictional loss and running, improve cranking performance rating.
Technological scheme of the present invention be this kind based on the reciprocating CVT speed changer of route-variable based on the reciprocating CVT speed changer of route-variable, comprise input shaft and output shaft, described input shaft is provided with route-variable device, connecting rod wherein one end input end connecting rod pivot is arranged on route-variable device, the other end output terminal connecting rod pivot of connecting rod is arranged on overrunning clutch, and overrunning clutch is connected with output shaft, the end of described output shaft by gear shift by movement output.
This kind with said structure has the following advantages based on the reciprocating CVT speed changer of route-variable:
1. this kind allows the moment of torsion of motor to be controlled near the most effective operation point based on the reciprocating CVT speed changer of route-variable, improved the working efficiency of motor; Compare traditional CVT speed changer, from system, removed hydraulic piston cylinder and input clutch, thereby can make the loss of particular stage in frictional loss and running reduce, to there is a high efficiency starting.
2. this kind will improve car and this entirety of power system based on the reciprocating CVT speed changer of route-variable by vibration damper is set, the phase of CVT speed changer is associated with the burning cycle pulse of motor, it can reduce the use of torsional damping arrangement or not need them, by the mechanism of many change velocity ratios of this CVT speed changer being merged together to the moment of torsion phase place crossover that can make them, can make like this impact of torque pulse diminish, also can reduce the shock loads of overrunning clutch, reach the object that increases the life-span.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is the schematic diagram that the present invention realizes high speed ratio.
Fig. 3 is the schematic diagram that the present invention realizes low speed ratio.
Fig. 4 inputs the angular dependence figure between output in the present invention.
Fig. 5 is input end connecting rod pivot turning radius and output angle graph of a relation in the present invention.
Fig. 6 realizes the mechanical schematic diagram that input end connecting rod pivot turning radius changes in the present invention.
In Fig. 1-6,1: route-variable device; 11: chute; 2: input shaft; 3: connecting rod; 31: input end connecting rod pivot; 32: output terminal connecting rod pivot; 4: overrunning clutch; 5: output shaft.
Embodiment
Fig. 1 is sectional structure schematic diagram of the present invention, Fig. 2 and Fig. 3 be respectively realize at a high speed than with the schematic diagram of low speed ratio, Fig. 4 inputs the angular dependence figure between output in the present invention, Fig. 5 is input end connecting rod pivot turning radius and output angle graph of a relation in the present invention.From structure shown in Fig. 1-Fig. 5 in conjunction with, this kind comprises input shaft 2 and output shaft 5 based on the reciprocating CVT speed changer of route-variable, input shaft 2 is provided with route-variable device 1, connecting rod 3 wherein one end input end connecting rod pivot 31 is arranged on route-variable device 1, the other end output terminal connecting rod pivot 32 of connecting rod 3 is arranged on overrunning clutch 4, and overrunning clutch 4 is connected with output shaft 5, rotatablely moving of input shaft 2 changed the to-and-fro motion of connecting rod 3 into by route-variable device 1, the to-and-fro motion of connecting rod 3 is transformed into the unidirectional rotary motion of output shaft 5 by overrunning clutch 4, the end of described output shaft 5 is by gear shift by movement output, and gear shift comprises gear train, idle pulley, synchronizer and shift fork.
Route-variable device 1 is from the circle centre position of input shaft 2, and the chute 11 arranging along the radial direction of input shaft, and input end connecting rod pivot 31 is positioned at the inside of chute 11, and does unrestricted motion along the length direction of chute 11; And the velocity ratio between input shaft 2 and output shaft 5 is along with the location positioning of input end connecting rod pivot 31 in chute 11, and the position of input end connecting rod pivot 31 in chute 11 is continually varying.
Concrete, the turning radius of input end connecting rod pivot 31 can realize in the following manner:
The mode of execution of realizing the turning radius variation of input end connecting rod pivot 31 as the first of the present invention is: chute 11 is interior and be provided with screw mandrel along the length direction of chute 11, input end connecting rod pivot 31 is arranged on screw mandrel by nut, and nut moves up and down along the screw thread on screw mandrel.According to the sense of rotation of screw mandrel and the number of turns, the nut on input end connecting rod pivot 31 is moved up and down the screw thread along screw mandrel, this CVT speed changer is implemented the mechanism of the turning radius change of input end connecting rod pivot 31 under out of phase, is by the co-operate of screw mandrel, the turning radius of each input end connecting rod pivot 31 to be arranged identical.
The mode of execution of realizing the turning radius variation of input end connecting rod pivot 31 as the second of the present invention is: chute 11 is oil hydraulic cylinder, ensures that by hydraulic control input end connecting rod pivot 31 moves reciprocatingly in oil hydraulic cylinder; The benefit of hydraulic control is, by closing oil hydraulic circuit, to ensure that input end connecting rod pivot 31 has fixing radius with respect to the center of circle of input shaft 2; When oil circuit pressure release, ensure that input end connecting rod pivot 31 moves to rapidly endpoint location, ensure that input end connecting rod pivot 31 moves to an extremum with respect to the radius in the center of circle of input shaft 2.
The mode of execution that the third turning radius that realizes input end connecting rod pivot 31 changes as the present invention is: chute 11 is pneumatic cylinder, ensures that by air pressure control input end connecting rod pivot 31 moves reciprocatingly in pneumatic cylinder; Close pneumatic circuit, ensure that input end connecting rod pivot 31 has fixing radius with respect to the center of circle of input shaft 2; When air venting, ensure that input end connecting rod pivot 31 moves to rapidly endpoint location, ensure that input end connecting rod pivot 31 moves to an extremum with respect to the radius in the center of circle of input shaft 2.
Realize mode of execution structure as shown in Figure of description 6 of the turning radius variation of input end connecting rod pivot 31 as the 4th kind of the present invention: the turning radius of utilizing typical mechanical means to realize input end connecting rod pivot 31 changes, two disks rotate mutually with certain relation, fulcrum is positioned at two groove crossover places and is fixed, and fixes this fulcrum by the pin between two disc slots.
Between input shaft 2 and output shaft 5, be connected by connecting rod 3, linkage mechanism changes rotatablely moving of input end into the to-and-fro motion of connecting rod 3, then changes crankmotion into unidirectional rotary motion by overrunning clutch 4; The turning radius of input end connecting rod pivot 31 changes by methods such as above-mentioned hydraulic pressure, air pressure or screw bodies, input end connecting rod pivot 31 is radially moved reciprocatingly along input shaft 2, so just can change the to-and-fro motion stroke of output terminal connecting rod pivot 32, the speed that realizes regulates.Input end connecting rod pivot 31 turning radius are when large, and the reciprocating stroke of output terminal is large, and velocity ratio is little, input end connecting rod pivot 31 turning radius hour, and the reciprocating stroke of output terminal is little, and velocity ratio is large.
The crankmotion of output terminal connecting rod pivot 32 changes unidirectional rotary motion output into by overrunning clutch 4, this crankmotion changes in the process of unidirectional rotary motion, while only having crankmotion counterclockwise, could drive output shaft 5 to move by overrunning clutch 4, in the time that crankmotion is clockwise, output terminal connecting rod pivot 32 freely rotates on overrunning clutch 4, not transferring power; On the rotating speed of this system input shaft 2 and output shaft 5, the rotation speed relation of output terminal connecting rod pivot 32 is sinusoidal wave relation, by the effect of overrunning clutch 4, output shaft 5 only has dynamic output within the scope of half-wave, but the power that ensures output shaft 5 there will not be interruption, the mechanism that must increase an identical change velocity ratio, the phase phase difference 180 between two mechanisms is spent.Concrete transformation relation is shown in Fig. 3; The size of output angle of swing is to change to adjust by the turning radius of input end connecting rod pivot 31, and simple description seen Fig. 4.
The velocity ratio of this CVT speed changer is recently to define by the turning radius of input end connecting rod pivot 31, output terminal connecting rod pivot 32 between output shaft 5 and input shaft 2, because the radius of input end connecting rod pivot 31 on input shaft 2 is continually varyings, therefore the velocity ratio of this CVT speed changer is also continually varying; On output shaft 5, increase a gear train and idle pulley and realize forward gears, neutral gear, reverse gear, control the switching of gear by synchronizer and shift fork.
The present invention changes because realize speed ratio by connecting rod, therefore constant rotational velocity is delivered to by linkage mechanism in the process of output shaft 5 and will produces the moment of torsion of one-period or pulse on input shaft 2, this pluse torque is not eliminated and will be caused gearbox user complaint by vibration damper or other measures; Therefore,, for the pluse torque of eliminating on CVT speed changer of the present invention can adopt and eliminate engine power stroke and the similar approach of the pluse torque producing of lighting a fire, these methods comprise:
1. slow down with the method that increases cylinder number on motor the method that moment of torsion beats similar, increase the mechanism of identical change velocity ratio in the out of phase of CVT speed changer, each mechanism turns round mutually in out of phase, and moment of torsion is beated and cancelled out each other.
2. increase reversing shaft and remove to offset these pluse torques (as the camshaft on motor).
3. can realize this CVT speed changer damping by the vibration damper of amendment available engine, so that it realizes dual functions.But some Special shock-absorbing methods of CVT speed changer remain essential.
For ensureing that the present invention better implements, when neutral gear, during for guarantee vehicle brake, can not cause to stall, need CVT speed changer to change rapidly its efficiency; On the output shaft 5 of CVT speed changer, increase a gear train and realize reverse gear, by using traditional manual transmission methods such as gear selecting shift fork and synchronizer to go the selection of forward gears, neutral gear and reverse gear, do not need other additional clutches; CVT speed changer can use simple method to make effective velocity ratio in whole process be increased to infinity from zero.So this system by the situation that there is no clutch, flexible coupling or torque converter, can meet speed near zero time power can not interrupt; Because of the existence of overrunning clutch 4, mean and in the time of driver's accelerator releasing or car downhill retardation, there is no engine braking, aspect car efficiency, can be used as an advantage, compare in other situations, under high operating load, need to design car braking; Overrunning clutch 4 will provide the characteristic of parking on ramp, even the in the situation that of neutral gear, overrunning clutch 4 also can stop on car ramp and retreat, and this also makes the simple of uphill starting and starting change.
This kind allows the moment of torsion of motor to be controlled near the most effective operation point based on the reciprocating CVT speed changer of route-variable, improved the working efficiency of motor; Compare traditional CVT speed changer, from system, removed hydraulic piston cylinder and input clutch, thereby can make the loss of particular stage in frictional loss and running reduce, to there is a high efficiency starting; Simultaneously, by being set, vibration damper will improve car and this entirety of power system, the phase of CVT speed changer is associated with the burning cycle pulse of motor, it can reduce the use of torsional damping arrangement or not need them, by the mechanism of many change velocity ratios of this CVT speed changer being merged together to the moment of torsion phase place crossover that can make them, can make like this impact of torque pulse diminish, also can reduce the shock loads of overrunning clutch, reach the object that increases the life-span.
Claims (9)
1. one kind based on the reciprocating CVT speed changer of route-variable, comprise input shaft (2) and output shaft (5), it is characterized in that: described input shaft (2) is provided with route-variable device (1), connecting rod (3) wherein one end input end connecting rod pivot (31) is arranged on route-variable device (1), it is upper that the other end output terminal connecting rod pivot (32) of connecting rod (3) is arranged on overrunning clutch (4), and overrunning clutch (4) is connected with output shaft (5); The end of described output shaft (5) by gear shift by movement output.
2. one according to claim 1, based on the reciprocating CVT speed changer of route-variable, is characterized in that: described gear shift comprises gear train, idle pulley, synchronizer and shift fork.
3. one according to claim 2 is based on the reciprocating CVT speed changer of route-variable, it is characterized in that: rotatablely moving of input shaft (2) changes the to-and-fro motion of connecting rod (3) into by route-variable device (1), the to-and-fro motion of connecting rod (3) is transformed into the unidirectional rotary motion of output shaft (5) by overrunning clutch (4).
According to the one described in claim 1 or 2 or 3 based on the reciprocating CVT speed changer of route-variable, it is characterized in that: described route-variable device (1) is from the circle centre position of input shaft (2), and the chute (11) arranging along the radial direction of input shaft, input end connecting rod pivot (31) is positioned at the inside of chute (11), and does unrestricted motion along the length direction of chute (11).
According to the one described in claim 1 or 2 or 3 based on the reciprocating CVT speed changer of route-variable, it is characterized in that: described route-variable device (1) is the disk that is provided with two with one heart on input shaft (2) and mutually rotates, the groove that one of them disk was provided with the center of circle and extended along diametric(al), another disk is provided with curve bath, and input end connecting rod pivot (31) is fixed in two groove crossover places.
6. one according to claim 5 is based on the reciprocating CVT speed changer of route-variable, it is characterized in that: the velocity ratio between described input shaft (2) and output shaft (5) is along with the location positioning of input end connecting rod pivot (31) in chute (11), and the position of input end connecting rod pivot (31) in chute (11) is continually varying.
7. one according to claim 6 is based on the reciprocating CVT speed changer of route-variable, it is characterized in that: described chute (11) is interior and be provided with screw mandrel along the length direction of chute (11), input end connecting rod pivot (31) is arranged on screw mandrel by nut, and nut moves up and down along the screw thread on screw mandrel.
According to the one described in claim 6 or 7 based on the reciprocating CVT speed changer of route-variable, it is characterized in that: described chute (11) is oil hydraulic cylinder, ensures that by hydraulic control input end connecting rod pivot (31) moves reciprocatingly in oil hydraulic cylinder.
According to the one described in claim 6 or 7 based on the reciprocating CVT speed changer of route-variable, it is characterized in that: described chute (11) is pneumatic cylinder, by air pressure control ensure input end connecting rod pivot (31) in pneumatic cylinder, move reciprocatingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410100902.2A CN103851147A (en) | 2014-03-18 | 2014-03-18 | CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410100902.2A CN103851147A (en) | 2014-03-18 | 2014-03-18 | CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion |
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| Publication Number | Publication Date |
|---|---|
| CN103851147A true CN103851147A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410100902.2A Pending CN103851147A (en) | 2014-03-18 | 2014-03-18 | CVT (continuously variable transmission) speed changer based on variable-stroke reciprocating motion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728382A (en) * | 2015-04-08 | 2015-06-24 | 方何龙 | Stepless engine speed change system |
| CN105240478A (en) * | 2015-09-21 | 2016-01-13 | 李延 | One-way wheel power device |
| CN108591406A (en) * | 2018-05-31 | 2018-09-28 | 韦炳伦 | A kind of contiuously variable transmission |
| CN108635087A (en) * | 2018-04-11 | 2018-10-12 | 北京精博现代假肢矫形器技术有限公司 | Reverse test machine and test system in artificial leg joint |
| CN113933193A (en) * | 2021-10-14 | 2022-01-14 | 哈尔滨工程大学 | Piston ring fatigue testing machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190924041A (en) * | 1909-10-20 | 1910-10-20 | Frederick Maurice Laserson | Improvements in Flexible Drive and Variable Speed Mechanism for Motor-propelled Vehicles, Velocipedes and the like. |
| CN1255962A (en) * | 1998-01-30 | 2000-06-07 | 马努索斯·帕塔科斯 | Transmission system |
| DE102009031791A1 (en) * | 2008-07-21 | 2010-01-28 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Connecting rod eye for drive-side connection of stepless, adjustable crank gear, has upper connecting rod eye provided for connection with free-wheel unit, where eye is asymmetrically formed with respect to connecting line |
| WO2011020448A1 (en) * | 2009-08-21 | 2011-02-24 | Sevcik Milan | Transmission |
| KR20110103486A (en) * | 2010-03-15 | 2011-09-21 | 박수호 | Crank type continuously variable transmission |
| JP2012001048A (en) * | 2010-06-15 | 2012-01-05 | Honda Motor Co Ltd | Engine starter for vehicle |
| US20120220414A1 (en) * | 2008-12-19 | 2012-08-30 | Universidad De Sevilla | Continuously Variable Transmission System |
| CN102705352A (en) * | 2012-01-16 | 2012-10-03 | 重庆工商大学 | Crank and radius regulating device thereof |
| CN203796880U (en) * | 2014-03-18 | 2014-08-27 | 奇瑞重工股份有限公司 | CVT based on variable-stroke reciprocating motion |
-
2014
- 2014-03-18 CN CN201410100902.2A patent/CN103851147A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190924041A (en) * | 1909-10-20 | 1910-10-20 | Frederick Maurice Laserson | Improvements in Flexible Drive and Variable Speed Mechanism for Motor-propelled Vehicles, Velocipedes and the like. |
| CN1255962A (en) * | 1998-01-30 | 2000-06-07 | 马努索斯·帕塔科斯 | Transmission system |
| DE102009031791A1 (en) * | 2008-07-21 | 2010-01-28 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Connecting rod eye for drive-side connection of stepless, adjustable crank gear, has upper connecting rod eye provided for connection with free-wheel unit, where eye is asymmetrically formed with respect to connecting line |
| US20120220414A1 (en) * | 2008-12-19 | 2012-08-30 | Universidad De Sevilla | Continuously Variable Transmission System |
| WO2011020448A1 (en) * | 2009-08-21 | 2011-02-24 | Sevcik Milan | Transmission |
| KR20110103486A (en) * | 2010-03-15 | 2011-09-21 | 박수호 | Crank type continuously variable transmission |
| JP2012001048A (en) * | 2010-06-15 | 2012-01-05 | Honda Motor Co Ltd | Engine starter for vehicle |
| CN102705352A (en) * | 2012-01-16 | 2012-10-03 | 重庆工商大学 | Crank and radius regulating device thereof |
| CN203796880U (en) * | 2014-03-18 | 2014-08-27 | 奇瑞重工股份有限公司 | CVT based on variable-stroke reciprocating motion |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728382A (en) * | 2015-04-08 | 2015-06-24 | 方何龙 | Stepless engine speed change system |
| CN104728382B (en) * | 2015-04-08 | 2017-03-29 | 方何龙 | Electromotor stepless speed variator system |
| CN105240478A (en) * | 2015-09-21 | 2016-01-13 | 李延 | One-way wheel power device |
| CN105240478B (en) * | 2015-09-21 | 2018-08-31 | 李延 | A kind of one-way wheel power plant |
| CN108635087A (en) * | 2018-04-11 | 2018-10-12 | 北京精博现代假肢矫形器技术有限公司 | Reverse test machine and test system in artificial leg joint |
| CN108635087B (en) * | 2018-04-11 | 2020-11-10 | 北京精博现代假肢矫形器技术有限公司 | Torsion testing machine and system for lower limb artificial limb joint |
| CN108591406A (en) * | 2018-05-31 | 2018-09-28 | 韦炳伦 | A kind of contiuously variable transmission |
| CN113933193A (en) * | 2021-10-14 | 2022-01-14 | 哈尔滨工程大学 | Piston ring fatigue testing machine |
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Address after: 241080 Anhui province Wuhu City Sanshan Sanshan District Economic Development Zone E Xi Road No. 16 Applicant after: ZOOMLION HEAVY MACHINERY CO., LTD. Address before: 241000 Anhui province Wuhu City Sanshan District Sanshan Industrial Park Applicant before: Chery Heavy Industry Co., Ltd. |
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Application publication date: 20140611 |