CN102141121A - Homonymous differential centrifugation self-control gear stepless speed changer - Google Patents
Homonymous differential centrifugation self-control gear stepless speed changer Download PDFInfo
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- CN102141121A CN102141121A CN2010101156907A CN201010115690A CN102141121A CN 102141121 A CN102141121 A CN 102141121A CN 2010101156907 A CN2010101156907 A CN 2010101156907A CN 201010115690 A CN201010115690 A CN 201010115690A CN 102141121 A CN102141121 A CN 102141121A
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- gear
- liquid oil
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- central shaft
- speed changer
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Abstract
The invention discloses a homonymous differential centrifugation self-control gear stepless speed changer. The central shaft of the speed changer is an output shaft and is integrally concentric with a central gear; a gear reducer assembly and a gear ring wheel are concentrically rotated on the central shaft; an orientation wedge type clutch is used for locking the gear reducer assembly to rotate homonymously; the central gear is engaged with a reduction gear and is used for driving the reduction gear to decelerate until a final gear drives an inner gear ring to output high torque; a centrifugal wall pulley is rotated along with the gear ring wheel; a thrust valve is pulled by centrifugal force so as to be fixed in the reducer assembly; the flow of liquid oil in a liquid oil damping device is gradually changed from high to low, so that the rotational resistance of the reduction gear in a reducer is gradually changed from low the high, and the homonymous differentials of the central gear and the gear reducer assembly are gradually changed from high to low; therefore, the inner gear ring is driven by the rotation of the final gear until the inner gear ring is driven to rotate through the revolution of the final gear so as to form the stepless speed changer. The speed changer has high gear ratio, high mechanical strength and low mechanical friction; and by the speed changer, the stepless speed change of a high-delivery-volume automobile, a truck and even a heavy-duty automobile can be realized.
Description
Affiliated technical field
The present invention relates to the automobile stepless speed changes devices of a kind of hypermutation ratio, high pulling torque, high-power transmission.
Background technique
Stepless change can improve the driving quality of automobile, to the full extent promote motor the transmission efficiency, save fuel oil, be that industry is that generally acknowledge, optimal automobile variable speed mode.At present, production technology comparative maturity, unique stepless speed variator that can use on automobile are CVT.As everyone knows, the flexibility of metal depends on its thickness, the thin more flexibility of thickness is just good more, and that thin more its of metal bears intensity of force is just more little, and the CVT speed changer is friction with flexible steel band or steel chain and cone pulley is the mode transmission, speed change, the mechanical strength of its friction factor and material then is transmission power size and gearshift performance quality, and the key point of machinery length in working life, obviously the CVT speed changer exists because its structure causes the application of material to be restricted, cause its mechanical strength lower, progress of disease power is little, mechanical friction intensity height, machinery is fragile, defectives such as working life is short can only be disposed at the car of medium and small discharge capacity and can't be disposed at air displacement or the bigger automobile of carrying capacity.
Summary of the invention
For the mechanical strength that makes automative stepless speed-variation device higher, the progress of disease is more powerful, mechanical friction intensity is littler, the machinery longer service life, make big discharge capacity car, big discharge capacity SUV, passenger vehicle, truck and even heavy truck can both be realized stepless change, the invention provides a kind of automatic control of differential centrifugation in the same way gear stepless speed variator, this device is different from CVT and mechanical friction class stepless speed variator, this device adopts full-depth tooth wheel engagement driving, centrifugal tension device and liquid oil damping and output gear interlock, output speed and moment of torsion can be with the speeds of wheel, under the constant state of engine speed, produce gradual change automatically to low from low to high or by height.The mechanical strength height of this device, progress of disease power are big, little, the mechanical long service life of mechanical friction intensity, configurable in big discharge capacity car, big discharge capacity SUV, passenger vehicle, truck and even heavy truck, make it can realize stepless change.
The technical solution adopted for the present invention to solve the technical problems is: in gearbox case, the speed changer central shaft is an input shaft, with the concentric one of central gear, gear reducer assembly and gear ring wheel rotate on central shaft with one heart, retarder slubbing gear and central gear engagement, end gear and the engagement of gear ring wheel ring gear, gear ring wheel external gear and output gear engagement, retarder reduction gear tricks is an even number, so that doing in the same way, gear ring wheel and central shaft rotate, fixing a cover contract formula directional clutch at the inwall of shell makes it do the directed concentric rotation identical with turning to of central shaft with spreadet spreadet wheel retarder assembly, fixing a cover centrifugal tension device on the outer side wall of gear reducer assembly rotates with it, expander driving gear and shell wall ring gear and the engagement of gear ring wheel external toothing, shell wall ring gear contract formula directional clutch locking shell wall ring gear makes it do directed concentric rotation with the central shaft switched in opposite, gear ring wheel external toothing contract formula directional clutch locking gear ring wheel external toothing is done with central shaft it and is turned to identical directed concentric rotation, the end gear shaft is a bent axle, a liquid oil cylinder is fixed at last gear place at the gear reducer assembly, bent axle drivening rod and liquid oil cylinder inner carrier pushes the liquid oil in the liquid oil cylinder in the rubber bag tank or sucking-off moves reciprocatingly when rotating, the expander driving gear drives centrifugal rotation at return spring under to the reaction force state of centrifugal force, the centrifugal force pulling that produces laterally embeds the in-oil cylinder board-like propelling valve of liquid and causes the liquid oil flow that is pushed into or is sucked out to produce gradual change.When driving central shaft, motor car engine begins to rotate, central gear drives retarder slubbing gear, when some roads reduction gear is done gearing down to last gear, the end gear is taken turns ring gear by the reaction force acts that the directed clutch of contract formula is reversed locking in gear ring with the gear reducer assembly, it is done the high pulling torque transmission, make wheel begin to rotate through gear ring wheel external gear driving output gear and output shaft, the rotation of wheel is with the increasing of throttle, the rotating speed of motor raises and accelerates, the expander driving gear drives on the centrifugal tension device centrifugal high speed rotating thereupon, make centrifugal to produce vertical centrifugal force, the pulling of centrifugal force expander laterally embeds the in-oil cylinder board-like propelling valve of liquid to fixing a side shifting, cause flow that liquid oil released and suck by piston by giving birth to gradual change to abortion greatly, the frequency of reciprocating motion of the pistons and the rotating speed of reducer gear are produced by big to little gradual change, the rotational resistance that the central gear of high speed rotating produces retarder slubbing gear, by gear shaft the total bolster of retarder is produced reaction force, promote the retarder assembly and begin to do with central shaft and turn to consistent differential to rotate, last gear is having enough to meet the need promotion gear ring wheel ring gear in the rotation under the drive of retarder assembly does rotation in the same way.The centrifugal force that the rotating speed of wheel is high more, centrifugal is just big more, liquid is oily passes through that flow is just more little, the rotational resistance of reduction gear is just big more, cause that central gear is big more to the reaction force of retarder assembly, the differential of rotation in the same way of retarder assembly and central gear is more little, close until oil circuit that differential disappears, retarder assembly and the rotation of central shaft synchronous high-speed, otherwise the differential of rotation in the same way of wheel decelerates, retarder assembly and central gear just begins to increase.
The invention has the beneficial effects as follows that this apparatus structure is simple, use the conventional material manufacturing, the mechanical strength height, mechanical wear is little, gear ratio is high, gearshift performance is excellent, can make all kinds of automobiles that comprise big discharge capacity, heavy automobile realize stepless change.
Description of drawings
The present invention is further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is that this transmission shaft is to throwing figure.
Fig. 2 axially throws figure for this speed changer embodiment.
1. output shafts among the figure, 2. output gear, 3. expander driving gear, 4. shell wall ring gear contract formula directional clutch, 5. last gear, 6. centrifugal tension device, 7. return spring, 8. liquid oil cylinder, 9. piston, 10. shell, 11. slubbing gears, 12. contract formula directional clutch, 13. gear ring wheel external gear, 14. gear rings wheel external toothing contract formula directional clutch, 15. shell wall ring gears, 16. gear ring wheel external toothing, 17. gear rings wheel, 18. gear rings wheel ring gear, 19. the gear reducer assembly, 20. central shafts, 21. central gears, 22. bent axle, 23. connecting rod, 24. centrifugal, 25. board-like propelling valves, 26. liquid oil, 27. rubber bag tanks.
Embodiment
In the drawings, speed changer central shaft (20) is an input shaft, with the concentric one of central gear (21), gear reducer assembly (19) and gear ring wheel (17) are gone up with one heart at central shaft (20) and are rotated, retarder slubbing gear (11) and central gear (21) engagement, end gear (5) and gear ring wheel ring gear (18) engagement, gear ring wheel external gear (13) and output gear (2) engagement, retarder reduction gear tricks is an even number, so that doing in the same way, gear ring wheel (17) and central shaft (20) rotate, fixing a cover contract formula directional clutch (12) at the inwall of shell (10) makes it do the directed concentric rotation identical with turning to of central shaft (20) with spreadet spreadet wheel retarder assembly (19), on the outer side wall of gear reducer assembly (19), fix a cover centrifugal tension device (6) with its rotation, expander driving gear (3) and shell wall ring gear (15) and gear ring wheel external toothing (18) engagement, shell wall ring gear contract formula directional clutch (4) locking shell wall ring gear (15) makes it do directed concentric rotation with central shaft (20) switched in opposite, gear ring wheel external toothing contract formula directional clutch (14) locking gear ring wheel external toothing (18) is done with central shaft (20) it and is turned to identical directed concentric rotation, end gear (5) axle is bent axle (22), last gear (5) at gear reducer assembly (19) locates to fix a liquid oil cylinder (8), bent axle (22) drivening rod (23) and liquid oil cylinder (8) inner carrier (9) pushes the liquid oil (26) in the liquid oil cylinder (8) rubber bag tank (27) in or sucking-off moves reciprocatingly when rotating, expander driving gear (3) is in return spring (7) centrifugal (24) rotation of drive down to the reaction force state of centrifugal force, the board-like propelling valve (25) that the centrifugal force pulling that produces laterally embeds in the liquid oil cylinder (8) causes the flow of the liquid oil (26) that is pushed into or is sucked out to produce gradual change.When driving central shaft (20), motor car engine begins to rotate, central gear (21) drives retarder slubbing gear (11), when some roads reduction gear is done gearing down to last tooth (5) wheel, end gear (5) is taken turns ring gear (18) by the reaction force acts of contract formula directional clutch (12) counteresteer in gear ring with gear reducer assembly (19), it is done the high pulling torque transmission, make wheel begin to rotate through gear ring wheel external gear (13) driving output gear (2) and output shaft (1), the rotation of wheel is with the increasing of throttle, the rotating speed of motor raises and accelerates, expander driving gear (3) with gear ring wheel external toothing (16) and shell wall ring gear (15) engagement, under by the driving of the gear ring wheel external toothing (16) of gear ring wheel external toothing contract formula directional clutch (14) counteresteer, driving by shell wall ring gear contract formula directional clutch (4) in the same way the shell wall ring gear (15) of locking do high speed rotating, expander driving gear (3) drives the high speed rotating of centrifugal (24) on the centrifugal tension device (6), make centrifugal (24) produce vertical centrifugal force, centrifugal force when centrifugal (24) pushes away imbibition oil (26) above return spring (7) and piston (9) in liquid oil cylinder (8), liquid oil (26) just spurs hinge during to the opposition of the board-like propelling valve (25) in incision liquid oil cylinder (8), the hinge pulling laterally embeds the interior board-like propelling valve (25) of liquid oil cylinder (8) to fixing a side shifting, in the board-like propelling valve (25), the circular hole concordant with liquid oil cylinder (8) endoporus begins to misplace with liquid oil cylinder (8) endoporus, the flow that causes liquid oil (26) to be released and suck by piston (9) begins to reduce, make the reciprocating frequency of piston (9) begin to descend because of producing resistance, cause the reducer gear rotating speed to descend, go up of the rotational resistance of the central gear (21) of high speed rotating with retarder slubbing gear (11) generation with central shaft (20), by gear shaft gear reducer assembly (19) frame is produced reaction force and promote gear reducer assembly (19) and begin to do with central shaft (20) and turn to consistent differential to rotate, last gear (5) is having enough to meet the need the promotion gear ring in the rotation under the drive of gear reducer assembly (19) takes turns ring gear (18) and does rotation in the same way.The rotation of gear reducer assembly (19) has driven expander driving gear (3) turnover generation reaction force in by the shell wall ring gear (15) of locking in the same way, makes the rotation speedup of expander driving gear (3).The rotating speed of wheel is high more, the centrifugal force of centrifugal (24) is just big more, reaction force to return spring (7) is just big more with the distance that spurs board-like propelling valve (25), liquid oil (26) to pass through flow just more little, the rotational resistance of reduction gear is just big more, cause central gear (21) big more to the reaction force of gear reducer assembly, gear reducer assembly (19) is more little with the differential of rotation in the same way of central gear (21), closing differential until oil circuit disappears, gear reducer assembly (19) rotates with central shaft (20) synchronous high-speed, forms by last gear (5) rotation and drives gear ring wheel ring gear (18) to having enough to meet the need the stepless change that promotion gear ring wheel ring gear (18) rotates.Otherwise wheel decelerates, gear reducer assembly (19) just begin to increase with the differential of rotation in the same way of central gear (21).
Claims (1)
1. differential centrifugation automatic control gear stepless speed variator in the same way, in gearbox case (10), speed changer central shaft (20) is an input shaft, with the concentric one of central gear (21), slubbing gear (11) and central gear (21) engagement, end gear (5) and gear ring wheel ring gear (18) engagement, gear ring wheel external gear (13) and output gear (2) engagement, it is characterized in that: gear reducer assembly (19) and gear ring wheel (17) are gone up with one heart at central shaft (20) and are rotated, retarder reduction gear tricks is an even number, so that doing in the same way, gear ring wheel (17) and central shaft (20) rotate, fixing a cover contract formula directional clutch (12) at the inwall of shell (10) makes it do the directed concentric rotation identical with turning to of central shaft (20) with spreadet spreadet wheel retarder assembly (19), on the outer side wall of gear reducer assembly (19), fix a cover centrifugal tension device (6) with its rotation, expander driving gear (3) and shell wall ring gear (15) and gear ring wheel external toothing (18) engagement, shell wall ring gear contract formula directional clutch (4) locking shell wall ring gear (15) makes it do directed concentric rotation with central shaft (20) switched in opposite, gear ring wheel external toothing contract formula directional clutch (14) locking gear ring wheel external toothing (18) is done with central shaft (20) it and is turned to identical directed concentric rotation, end gear (5) axle is bent axle (22), last gear (5) at gear reducer assembly (19) locates to fix a liquid oil cylinder (8), bent axle (22) drivening rod (23) and liquid oil cylinder (8) inner carrier (9) pushes the liquid oil (26) in the liquid oil cylinder (8) rubber bag tank (27) in or sucking-off moves reciprocatingly when rotating, expander driving gear (3) is in return spring (7) centrifugal (24) rotation of drive down to the reaction force state of centrifugal force, the board-like propelling valve (25) that the centrifugal force pulling that produces laterally embeds in the liquid oil cylinder (8) causes the flow of the liquid oil (26) that is pushed into or is sucked out to produce gradual change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101156907A CN102141121A (en) | 2010-01-29 | 2010-01-29 | Homonymous differential centrifugation self-control gear stepless speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101156907A CN102141121A (en) | 2010-01-29 | 2010-01-29 | Homonymous differential centrifugation self-control gear stepless speed changer |
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| Publication Number | Publication Date |
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| CN102141121A true CN102141121A (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101156907A Pending CN102141121A (en) | 2010-01-29 | 2010-01-29 | Homonymous differential centrifugation self-control gear stepless speed changer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032535A (en) * | 2011-10-06 | 2013-04-10 | 川崎重工业株式会社 | Belt type continuously variable transmission |
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2010
- 2010-01-29 CN CN2010101156907A patent/CN102141121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032535A (en) * | 2011-10-06 | 2013-04-10 | 川崎重工业株式会社 | Belt type continuously variable transmission |
| CN103032535B (en) * | 2011-10-06 | 2015-09-30 | 川崎重工业株式会社 | Variable v-belt drive |
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Application publication date: 20110803 |