CN102996748A - High-power output stepless speed regulator - Google Patents
High-power output stepless speed regulator Download PDFInfo
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- CN102996748A CN102996748A CN2013100000702A CN201310000070A CN102996748A CN 102996748 A CN102996748 A CN 102996748A CN 2013100000702 A CN2013100000702 A CN 2013100000702A CN 201310000070 A CN201310000070 A CN 201310000070A CN 102996748 A CN102996748 A CN 102996748A
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Abstract
The invention relates to a high-power output stepless speed regulator. The stepless speed regulator is composed of a friction reducing type stepless speed regulator, a bevel gear connecting rod mechanism, a class symmetric type bevel gear differential device and the like in existing technology. One end of an input shaft of a friction reducing speed regulation type stepless speed regulator serves as a total input shaft, and the other end of the input shaft of the friction reducing speed regulation type stepless speed regulator is connected with a semi-shaft in the class symmetric type bevel gear differential device. An output shaft of the friction reducing speed regulation type stepless speed regulator is connected with a shell body line shaft gear in the class symmetric type bevel gear differential device through the bevel gear connecting rod mechanism, and the other semi-shaft in the class symmetric type bevel gear differential device serves as a total torque output shaft. The high-power output stepless speed regulator overcomes shortcomings of complicated operation, high manufacture cost, narrow slewing range, low efficiency, unabled high-power output and the like commonly exist in stepless speed regulators in the prior art, is stable in speed change, can simultaneously effectively replace gearboxes and clutches in the prior art, and accordingly achieves one camera dual use. The high-power output stepless speed regulator can be used for various types of vehicles and various mechanical devices requiring speed change.
Description
Technical field
The present invention relates to a kind of stepless speed variator, specifically a kind ofly regulate class symmetric type bevel differential middle shell general gear and two-way planetary pinion rotating speed with friction diameter reducing type stepless speed variator, make that the two-way planetary pinion on business turns, rotation different and produce speed difference to the change of housing general gear rotating speed, realize the transmission of moment of torsion and the stepless variation of rotating speed output.
Background technique
Stepless speed variator is widely used in the industry (particularly automotive industry), and the stepless speed variator of at present extensive use mainly contains three kinds of forms: hydraulic automatic speed variator, electronic controlled transmission and friction reducing speed changer.Efficient is low, energy consumption is higher because hydraulic automatic speed variator power is passed on, electronic controlled transmission to raw material have relatively high expectations, structure is complicated, friction reducing speed changer is difficult to again realize the reasons such as transmission of power of high pulling torque, so that above-mentioned three kinds of speed changers all can only use at the car than small displacement, be difficult to extensive popularization.
Summary of the invention
The purpose of this invention is to provide that a kind of transmitting torque is large, energy loss is little, slewing range is wide, simple in structure, stepless speed variator that can high-power output, thoroughly go out the bottleneck of current this " friction reducing stepless speed variator can not high-powerly be exported ".
For realizing above technological scheme, the present invention is achieved in that the stepless change device of high-power output, mainly is comprised of class symmetric type bevel differential and friction reducing speed adjusting type stepless speed variator.Described class symmetric type bevel differential just according to the needs of design, is done some simple structural modifications with symmetric type bevel differential commonly used; Described friction reducing speed adjusting type stepless speed variator, various ways is arranged at present: metal band type stepless speed variator (case) (the english abbreviation formula is: VDT-CVT), roller Wheel-type stepless speed variator (be called for short " roller type CVT "), conical ring formula stepless speed variator (case), etc.
Input shaft one end of described friction reducing speed adjusting type stepless speed variator (case) is accepted the moment of torsion that the front end dynamic power machine transfers as total input shaft, and the arbitrary semiaxis in the similar symmetric type bevel differential of the other end connects, as one road moment of torsion transmission path; The output shaft of reducing speed adjusting type stepless speed variator (case) of will rubbing again links to each other with the total shaftgear of housing in the class symmetric type bevel differential by the bevel gear linkage mechanism, passes on the path as another road moment of torsion; Two moments of torsion transmissions paths converge another semiaxis in class symmetric type bevel differential, this semiaxis then as the total torque output shaft to rear class mechanism.
With the housing line shaft of the described input stage class symmetric type bevel differential system total input shaft as the stepless change device of this high-power output, accept the moment of torsion that the front end dynamic power machine transmits, after wherein an output axle shaft is connected to one group of reducing wheels of friction reducing speed adjusting type stepless speed variator (case), receive again one of output stage class symmetric type bevel differential semiaxis as one road moment of torsion transmission path; After another output axle shaft of described input stage class symmetric type bevel differential is connected to another group reducing wheels of friction reducing speed adjusting type stepless speed variator (case) by the bevel gear linkage mechanism, receive the housing line shaft of output stage class symmetric type bevel differential as another moment of torsion transmission path, road by the bevel gear linkage mechanism again; Two moments of torsion transmissions paths converge is in another semiaxis of output stage class differential system, as total output torque to rear class mechanism.
The stepless change device of high-power output of the present invention is mainly used in various vehicles and needs on the various machinery of speed change, and its beneficial effect is:
1, analyzes from energy transmission aspect, the moment of torsion of the stepless change device of this high-power output mainly is to transmit through class symmetric type bevel differential, the moment of torsion that its friction reducing speed adjusting type stepless speed variator (case) obtains finally again by high effective integration in total output shaft, solid energy transmission efficient is high, loss is low, the high-power output of energy.
2, from forming on the structure, the class symmetric type bevel differential in the stepless change device of this high-power output is just structurally made a few modifications to the symmetric type bevel differential of prior art as required; Its friction reducing speed control system is again to take full advantage of prior art equipment, and is auxiliary and servo-system is few and simple; So technique is simple, technology maturation, overall cost are few, available existing equipment is produced in enormous quantities.
3, the vehicle that is used for less output power can significantly fall the end requirement about frictional force between parts in the friction reducing speed control system equipment is also improved its working life indirectly effectively fuel-economizing greatly; Be used for the vehicle of larger output power, can effectively replace existing speed-changing gear box, thoroughly go out the bottleneck of current this " friction reducing stepless speed variator can not high-powerly be exported ".
4, use the vehicle of the stepless change device of this high-power output, can effectively substitute simultaneously two kinds of equipment of gearbox, clutch of prior art, reach a machine dual-purpose, and slewing range is wide; Because its acceleration, deceleration all are linear, Gu without the jitter phenomenon that produces because of unexpected speed change, make contained cargo security, it is comfortable that driver and passenger feel.
Description of drawings:
The below take metal band type stepless speed variator (case) commonly used as friction reducing speed control system as example, the invention will be further described in conjunction with the accompanying drawings and embodiments.
Fig. 1 is the structure diagram of prior art and widely used symmetric type bevel differential.
Fig. 2 is the structure diagram of prior art and widely used metal band type stepless speed variator (case).
Fig. 3 is a kind of structure diagram of the stepless change device of this high-power output.
Fig. 4 is the another kind of structure diagram of the stepless change device of this high-power output.
Fig. 5 (a), Fig. 5 (b) then are the rotation speed relation with total output shaft and reference axis among two kinds of embodiments of number axis form statement.
(A) the symmetric type bevel differential of prior art and metal band type stepless speed variator (case) structure and working principle summary:
(i) such as Fig. 1, symmetric type bevel differential structure and working principle summary:
This symmetric type bevel differential 199 mainly is comprised of differential casing 109, planet pin 102, two planetary pinions (103,104), two differential gears (105,106), two output axle shafts (107,108) and main reducing gear driven gear 101 etc.All can detour separately star gear shaft 102 of planetary pinion 1 and planetary pinion 2 104 rotates.Planetary pinion 1, differential gear 1, planetary pinion 2 104, differential gear 2 106 4 mesh in twos to join end to end and form one " mouth " font composite rotation system; Output axle shaft 1 connects differential gear 1, and output axle shaft 2 108 connects differential gear 2 106.When two differential gears (105,106) only with planet gear shaft 102 when symmetric type bevel differential 199 spin axiss revolve round the suns, differential mechanism only plays the moment of torsion transmission and does not play the differential work, two output axle shafts (107,108) rotating speed is identical and in the same way; When two differential gears (105,106) except around symmetric type bevel differential 199 spin axiss revolution, the star gear shaft 102 that also detours has time rotational, and different rotating speeds is arranged for output axle shaft 1, output axle shaft 2 108 but the rotating speed sum of two output axle shafts weighs and equals the twice of differential casing 109 rotating speeds.
(ii) such as Fig. 2, metal band type stepless speed variator (case) structure and working principle are sketched:
This type of metal band type stepless speed variator (case) 299 is mainly by casing 208, metal tape 209, output (entering) axle 215 and be enclosed within upper reducing wheels 1, input (going out) axle 225 on this axle and be enclosed within next reducing wheels 2 220 on this axle etc. and form.Reducing fixed wheel 1, reducing driving wheel 1 and high pressure active oil pump 1, output (entering) axle 1 of being attached thereto form upper reducing wheels 210, and high pressure initiatively oil pump 1 can drive reducing driving wheel 1 in groove one 214 interior move left and right; Reducing fixed wheel 2 221, reducing driving wheel 2 222 and high pressure active oil pump 2 223, input (going out) axle 2 225 of being attached thereto form next reducing wheels 220, and high pressure initiatively oil pump 2 223 can drive reducing driving wheel 2 222 in groove 2 224 interior move left and right.Metal tape 209 is connected in these upper and lower reducing wheels.High pressure initiatively oil pump 1, high pressure active oil pump 2 223 is a synergistic mechanism, be that high pressure is when initiatively oil pump 1 drives reducing driving wheels 1 and opened (or close) in one 211 minutes with the reducing fixed wheel, high pressure initiatively 2 223 drives of oil pump reducing driving wheel 2 222 is done reverse equidistant displacement, make reducing driving wheel 2 222 to reducing fixed wheel 2 221 close (or separately), thereby changed the effective contact radius of metal tape 209 and upper and lower reducing wheels, reached the speed change purpose.In axle 1, the axle 2 225, when selecting arbitrary axle as input shaft, another axle is then as output shaft.
(B) embodiment
(i) embodiment one
(1) system forms (such as Fig. 3): the high-power cvt output device of present embodiment mainly is comprised of metal band type stepless speed variator (case) 298, geared linkage mechanism 300 and class symmetric type bevel differential 198.Connecting rod 303 two ends docking bevel gear 1, bevel gear 2 302, the three forms one " worker " font bevel gear linkage mechanism 300.Class symmetric type bevel differential 198 with symmetric type bevel differential 199 main distinction structurally is: the total bevel gear 111 axial hollows of housing also are socketed on the semiaxis 1 and can rotate freely with respect to semiaxis 1.
(2) mechanism connects and the moment of torsion transmission: input shaft 2 245 is accepted the moment of torsion that front end robot transmits as total input shaft in selected metal band type stepless speed variator (case) 298.Total input shaft---input shaft 2 245 to the right then directly with one of class symmetric type bevel differential 198 left half axle---semiaxis 1 links to each other, semiaxis 1 is connected in differential gear 1, more than as a paths of moment of torsion transmission also be moment of torsion transmit main path; Output shaft one 235 right-hand members connect a bevel gear 236 in metal band type stepless speed variator (case) 298, connect again geared linkage mechanism 300, then connect with the total bevel gear of housing 111 backward, more than to form another torque transmission paths with metal tape 219 grades also be the speed change path; The moment of torsion that transmit in two paths finally meets at total output shaft---semiaxis 2 118.
(3) suffered torque and transmission situation analysis in metal tape 219 work in the metal belt type stepless variable case 298: as seen from Figure 3, it is total that input shaft---the moment of torsion of input shaft 2 245 front end robot that obtains mainly directly acts on differential gear 1 by semiaxis 1, be passed to total output shaft by two planetary pinions again---semiaxis 2 118, and it is smaller in fact to pass 219 moments of torsion of passing through metal tape, and this part moment of torsion meets at total output shaft at last with parallel form again---semiaxis 2 118.
(4) rotating speed analysis: establish front end mechanism and drive total input shaft---input shaft 2 245 drives the postorder system with direction shown in Figure 3 with n rev/min and rotates.The stepless change device of the high-power output of present embodiment, can because of in bevel gear 236, bevel gear 1, bevel gear 2 302, the total bevel gear 111 4 of housing arbitrary, wantonly two, wantonly three or the change of whole tooth radius make total output shaft---the output speed situation change of semiaxis 2 118.Simplify most for making problem, the situation of bevel gear 236 when identical with total bevel gear 111 rotating speeds of housing now only is discussed, and need this moment: the ratio of bevel gear 236 and bevel gear one 301 both effective radiuses equals the ratio of the total bevel gear 111 of housing and bevel gear 2 302 both effective radiuses.When above precondition exists, when total input shaft---input shaft 2 245 drives the rotation of postorder system with direction shown in Figure 3 with n rev/min, under infinitely variable transmission 298 effects, the rotation speed relation of the total bevel gear of housing 111 and total output shaft---semiaxis 2 118 is shown in Fig. 5 (a) number axis (among the figure, X-axis represents the rotating speed of the total bevel gear 111 of housing, and Y-axis represents total output shaft---semiaxis 2 118 rotating speeds).It should be noted that: the negative direction of N118 represents total output shaft in the number axis---semiaxis 2 118 and total input shaft---, and input shaft 2 245 is made reverse rotating speed.
When (5) conclusion: when total input shaft---input shaft 2 245 is accepted front end robot and is passed the moment of torsion come and drive the postorder system equipment and rotate with n rev/min in direction as shown, under the synergy such as stepless speed variator (case) 298, class symmetric type bevel differential 198, total output shaft---semiaxis 2 118 can with greater than, be equal to or less than the rotating speed forward of n, can with the rotating speed counter-rotating less than n, can not turn by locking yet yet.So the high-power cvt output device slewing range shown in the embodiment is wide, and can effectively replace clutch and two kinds of equipment of gearbox, reach a machine dual-purpose.
(ii)
Embodiment two (such as Fig. 4)
(1) system forms (such as Fig. 4): the high-power cvt output device of present embodiment mainly is made of jointly input stage class symmetric type bevel differential 196,297, two geared linkage mechanisms 310 of metal band type stepless speed variator (case) and 320, output stage class symmetric type bevel differential 197.Wherein input stage class symmetric type bevel differential 196 with the main district of symmetric type bevel differential 199 is: the housing line shaft 121 that can drive 196 rotations of input stage class symmetric type bevel differential is positioned at an end, and planet pin 1 has one to be used for the central through bore 1220 that output axle shaft 1 passes through; Output axle shaft 1 passes axially all, and differential gear 2 126, semiaxis 2 128 and the semiaxis of hollow connect gear 1281.Output stage class symmetric type bevel differential 197 with the main district of symmetric type bevel differential 199 is: the total bevel gear 131 axial hollows of output stage housing also are socketed on the semiaxis 3 137 and can rotate freely with respect to semiaxis 3 137.
(2) mechanism connects and the moment of torsion transmission: output axle shaft 1 directly is connected case to the right in the input stage class symmetric type bevel differential 196 with metal band type stepless speed variator) the axle connection of lower group speed change wheels 260 in 297, then be connected at last again semiaxis 3 137 in the output stage class symmetric type bevel differential 197 to the right, semiaxis 3 137 connects differential gear 3 135, as first via moment of torsion transmission path; Semiaxis connects gear 1281 and connects geared linkage mechanism 310, speed change wheels 250 left sides connect bevel gear linkage mechanism 310 by reducing wheels input bevel gear 256, the right is connected to bevel gear linkage mechanism 320 by reducing wheels output bevel gear wheel 257, is connected to the total bevel gear 131 of output stage class symmetric type bevel differential middle shell as the second road moment of torsion transmission path by bevel gear linkage mechanism 320 again.A torque transmission paths is arranged again: the speed change path that namely upper and lower group of speed change wheels and metal tape 229 form in metal band type stepless speed variator (case) 297; By symmetric type bevel differential torque distribution characteristic as can be known, the moment of torsion that this paths transmits is less, and the moment of torsion of numerically the first path increase (or minimizing) equals the moment of torsion that (or increasing) reduced in the second path.The moment of torsion of two paths finally meets at total output shaft---semiaxis 4 138 outputs.
(3) suffered torque and transmission situation analysis in metal tape 229 work in metal band type stepless speed variator (case) 297: as seen from Figure 4, the two-way moment of torsion mainly is directly to be transmitted by first, second path in the work, metal tape 229 only needs the moment of torsion of front end robot input total torque below 20% in real work, the rotating speed that just is enough to regulation output semiaxis 1 and output axle shaft 2 128 distributes.By the partition characteristic of symmetric type bevel differential moment of torsion as can be known: this part is numerically equal to the moment of torsion that (or increasing) reduced in the second path by the moment of torsion that the first path increases (or minimizing); So the high-power cvt output device energy loss of present embodiment is little, transmission efficiency is high and the high-power output of energy.
The housing line shaft 121 of (4) rotating speed analysis: establish front end mechanism and drive total input shaft---input stage class symmetric type bevel differential drives the postorder system with direction shown in Figure 4 with n rev/min and rotates.The stepless change device of the high-power output of present embodiment, can because of in reducing wheels output gear 257, bevel gear 3 321, bevel gear 4 322, the total bevel gear 131 4 of housing arbitrary, wantonly two, wantonly three or the change of whole tooth radius make total output shaft---the output speed situation change of semiaxis 4 138.Simplify most for making problem, semiaxis connection gear 1281 and the total bevel gear 131 of output stage housing now only are discussed the situation of same angular rotating speed, this moment is again with problem reduction, if: 1. in two bevel gear linkage mechanisms 310 and 320: bevel gear 1, bevel gear 2 312, bevel gear 3 321, bevel gear 4 322 4 bevel gear radiuses are all identical; 2. to connect gear 1281, reducing wheels input gear 256, reducing wheels output gear 257, total bevel gear 131 4 tooth radius of output stage housing also identical for semiaxis; It is lower to become to premise simultaneously in above two kinds of situations, establishes front end mechanism and drives total input shaft 121 and rotate in direction as shown with n rev/min, and then output axle shaft 1 and total output shaft---the velocity variations relation of semiaxis 4 138 is shown in dotted line in the system of coordinates at Fig. 5 b place; The velocity variations relation of the total bevel gear of housing 131 and total output shaft---semiaxis 4 138 is shown in solid line in the system of coordinates at Fig. 5 b place (among the figure, X-axis represents the rotating speed of the total bevel gear 131 of output stage housing or output axle shaft 1, and Y-axis represents total output shaft---the rotating speed of semiaxis 4 138).
When the housing line shaft 121 of (5) conclusion: when total input shaft---input stage class symmetric type bevel differential is accepted front end robot and is passed the moment of torsion come and drive the postorder system equipment and rotate with n rev/min in direction as shown, at input stage class symmetric type bevel differential 196, metal band type stepless speed variator (case) 297, two geared linkage mechanisms 310 and 320, under 197 synergy such as grade of output stage class symmetric type bevel differential, total output shaft---semiaxis 4 138 can with greater than, be equal to or less than the speed forward of n, can less than the speed counter-rotating of n, can not turn by locking yet yet.So the high-power cvt output device slewing range shown in the embodiment is wide.And can effectively replace clutch and two kinds of equipment of gearbox of prior art, reach a machine dual-purpose.
Embodiment described above just is described structural principle mode of execution of the present invention; the spirit and scope of the present invention are not limited; under the front topic that does not break away from the present invention's design, to distortion and the improvement that the present invention makes, all should be as the protection domain of invention.The technology contents of the present patent application protection is all described at claims.
Claims (7)
1. high-power cvt output device, mainly combined by certain annexation by the friction reducing stepless speed variator of prior art and class symmetric type bevel differential and one group of bevel gear linkage mechanism, it is characterized in that: axle one end at one group of friction reducing wheels place is accepted the moment of torsion that front end robot transmits as total input shaft in the friction reducing stepless speed variator, and the other end connects one of class symmetric type bevel differential semiaxis; Another group friction reducing wheels are connected to the total bevel gear of housing in the class symmetric type bevel differential through the bevel gear linkage mechanism in the friction reducing stepless speed variator, and another semiaxis in the class symmetric type bevel differential is then made total output shaft of this high-power cvt output device.
2. high-power cvt output device, main friction reducing stepless speed variator and input stage class symmetric type bevel differential by prior art, output stage class symmetric type bevel differential and two groups of bevel gear linkage mechanisms combine by certain annexation, it is characterized in that: the housing line shaft of input stage class symmetric type bevel differential is as total input shaft of this high-power cvt output device, the axle front end at one group of friction reducing wheels place connects the output axle shaft in the input stage class symmetric type bevel differential in the friction reducing stepless speed variator, and the rear end connects the semiaxis in the output stage class symmetric type bevel differential; The axle front end at another group friction reducing wheels place connects another output axle shaft in the input stage class symmetric type bevel differential in the friction reducing stepless speed variator, and the rear end connects the housing line shaft in the output stage class symmetric type bevel differential; Another semiaxis in the output stage class symmetric type bevel differential is total output shaft of this high-power cvt output device of conduct then.
3. the high-power cvt output device shown in the claim 1, its class symmetric type bevel differential (198) feature is: the total bevel gear of housing (111) axially has a central through bore (100) and is socketed on the semiaxis one (117) and can be with respect to semiaxis one (117) rotation.
4. the high-power cvt output device shown in the claim 2, its input stage class symmetric type bevel differential (196) feature is: housing line shaft (121) is positioned at input stage class symmetric type bevel differential (196) housing one side and as total input shaft of this high-power cvt output device; Planet pin one (122) has one to be used for the central through bore (1220) that output axle shaft one (127) passes through; All axially the differential gear two (126) of hollow, output axle shaft two (128) and semiaxis connect gear (1281) and connect to form one " worker " font structure and be socketed on the output axle shaft one (127) and can rotate with respect to output axle shaft one (127) three.
5. the high-power cvt output device shown in the claim 2, its output stage class symmetric type bevel differential (197) feature is: the total bevel gear of housing (131) central through bore is axially arranged and be socketed on the semiaxis three (137) and can be with respect to semiaxis three (137)) rotation, semiaxis four (138) is then as total output shaft of this high-power cvt output device.
6. the high-power cvt output device shown in the claim 2 is characterized in that: the ratio of bevel gear (1281) and bevel gear two (312) both effective radiuses equals the ratio of reducing wheels input bevel gears (256) and bevel gear one (311) both effective radiuses.
7. the high-power cvt output device shown in the claim 1 to 6, its friction reducing stepless speed variator can be the friction diameter reducing type stepless speed variators such as now widely used metal band type stepless speed variator (case), roller Wheel-type stepless speed variator, conical ring formula stepless speed variator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100000702A CN102996748A (en) | 2013-01-01 | 2013-01-01 | High-power output stepless speed regulator |
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| CN2013100000702A CN102996748A (en) | 2013-01-01 | 2013-01-01 | High-power output stepless speed regulator |
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| CN102996748A true CN102996748A (en) | 2013-03-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221692A (en) * | 2015-11-09 | 2016-01-06 | 西南大学 | A kind of without clutch stepless speed changer |
| CN107401591A (en) * | 2016-05-20 | 2017-11-28 | 李拓 | Gear run stepless speed changer |
| CN108644332A (en) * | 2018-05-09 | 2018-10-12 | 东莞理工学院 | A kind of cone belt-type stepless speed control apparatus and its transmission parameter computational methods convenient for adjusting and indicating |
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| DE4107738A1 (en) * | 1990-03-15 | 1991-09-19 | Zahnradfabrik Friedrichshafen | Steplessly controllable drive for vehicle - has chain transmission drive and forward-reverse gear change in which drive shaft is connected to primary side of drive |
| CN101985971A (en) * | 2010-10-28 | 2011-03-16 | 东莞市明慧管理咨询有限公司 | Continuously variable transmission with differential mechanism |
| CN102588546A (en) * | 2012-03-08 | 2012-07-18 | 胡泓海 | Differential-type efficient electrodeless transmission |
| CN202468893U (en) * | 2011-12-31 | 2012-10-03 | 刘镇江 | Shunting-type CVT (constant-voltage transformer) stepless speed change mechanism |
| CN203098779U (en) * | 2013-01-01 | 2013-07-31 | 胡泓海 | High-power output stepless speed changer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4107738A1 (en) * | 1990-03-15 | 1991-09-19 | Zahnradfabrik Friedrichshafen | Steplessly controllable drive for vehicle - has chain transmission drive and forward-reverse gear change in which drive shaft is connected to primary side of drive |
| CN101985971A (en) * | 2010-10-28 | 2011-03-16 | 东莞市明慧管理咨询有限公司 | Continuously variable transmission with differential mechanism |
| CN202468893U (en) * | 2011-12-31 | 2012-10-03 | 刘镇江 | Shunting-type CVT (constant-voltage transformer) stepless speed change mechanism |
| CN102588546A (en) * | 2012-03-08 | 2012-07-18 | 胡泓海 | Differential-type efficient electrodeless transmission |
| CN203098779U (en) * | 2013-01-01 | 2013-07-31 | 胡泓海 | High-power output stepless speed changer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221692A (en) * | 2015-11-09 | 2016-01-06 | 西南大学 | A kind of without clutch stepless speed changer |
| CN105221692B (en) * | 2015-11-09 | 2019-02-12 | 西南大学 | A kind of no clutch stepless speed changer |
| CN107401591A (en) * | 2016-05-20 | 2017-11-28 | 李拓 | Gear run stepless speed changer |
| CN108644332A (en) * | 2018-05-09 | 2018-10-12 | 东莞理工学院 | A kind of cone belt-type stepless speed control apparatus and its transmission parameter computational methods convenient for adjusting and indicating |
| CN108644332B (en) * | 2018-05-09 | 2019-02-22 | 东莞理工学院 | A kind of cone belt-type stepless speed control apparatus and its transmission parameter calculation method convenient for adjusting and indicating |
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Application publication date: 20130327 |