Double planetary disc gearbox
A gearbox, double planetary technology, applied in the direction of gearbox, transmission parts, components with teeth, etc., can solve the problems of increasing the manufacturing cost of the control system, complex structure, etc., and achieve light weight, high transmission efficiency and reliability. high effect
Pending Publication Date: 2019-09-20
沈万伦
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Problems solved by technology
[0004] 2. The dual-clutch gearbox used in passenger cars is equipped with a set of synchronizers for each gear to achieve smooth shifting, and the structure is complex
[0005] 3. The gear shift of the 6-speed dual-clutch gearbox for passenger cars is controlled by a combination of electrical and hydraulic systems, and the gear shift is realized by pushing the shift fork through the control valve. Multiple conversions of the dual-system signals increase the manufacturing cost of the control system
Method used
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[0025] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0026] Such as Figure 1 to Figure 6 As shown, a dual planetary disc gearbox includes an input shaft 2, an output shaft 17, an active planetary disc 9 and a passive planetary disc 16;
[0027] The active planetary disc 9 is rotatably set on the input shaft 2, and the passive planetary disc 16 is rotatably set on the output shaft 17;
[0028] The input shaft 2 is fixed with driving gear I3, driving gear II4 and driving gear III5;
[0029] The active planetary gear support shaft I45, the active planetary gear support shaft II39 and the active planetary gear support shaft III40 are fixed on the active planetary disc 9, and the active planetary gear I6 meshing with the active gear I3 is provided on the rotating sleeve on the active planetary gear support shaft I45. The driving planetary gear supporting shaft Ⅱ39 is provided with an active planetary gear Ⅱ7 mesh...
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The invention discloses a double planetary disc gearbox. The gearbox comprises an input shaft, an output shaft, a driving planetary disc, a driven planetary disc and an auxiliary planetary disc; the driving planetary disc rotatably sleeves the input shaft; the driven planetary disc rotatably sleeves the output shaft; a first driving gear, a second driving gear and a third driving gear are fixed on the input shaft; a first driven gear, a second driven gear and a third driven gear are fixed on the output shaft; and the circumscribed circles of a first driving planet gear dividing circle, a second driving planet gear dividing circle and a third driving planet gear dividing circle are respectively tangent to the circumscribed circles of a first driven planet gear dividing circle, a second driven planet gear dividing circle and a third driven planet gear dividing circle. The gearbox has the following advantages that under the condition with a large number of gears, fuel economy is improved by 5%-15%, investment cost is reduced by 30%-50% and operational reliability is improved by 5%-15%.
Description
technical field [0001] The invention relates to the field of mechanical speed change devices for passenger vehicles, in particular to a double planetary disc gearbox. Background technique [0002] At present, the dual-clutch gearbox used in passenger cars with internal combustion engines changes the output speed and torque through multiple sets of fixed paired gears. It has the disadvantages of small number of gears, complicated structure and high manufacturing cost. [0003] 1. The automatic gearbox used in passenger cars, such as a 6-speed dual-clutch gearbox, adopts fixed paired gears for speed change. One driving gear and one passive gear form a gear, so a 6-speed dual-clutch gearbox requires 13 gears. The transmission gear can realize 6 gears. [0004] 2. The dual-clutch gearbox used in passenger cars is equipped with a set of synchronizers for each gear to achieve smooth shifting, and the structure is complex. [0005] 3. The gear change of the 6-speed dual-clutch g...
Claims
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IPC IPC(8): F16H57/02F16H57/08F16H61/04F16H61/02
CPCF16H57/02F16H57/08F16H61/0403F16H61/02
Inventor 沈万伦沈颖
Owner 沈万伦