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Wavy friction drive self-adaption automatic gearbox for electric cars

A technology of automatic transmission and friction transmission, which is applied in transmission devices, belts/chains/gears, mechanical equipment, etc., can solve problems such as tolerances, and achieve the effects of improving safety, increasing friction surfaces, and small axial dimensions

Inactive Publication Date: 2015-12-23
INST OF OPTICAL MASCH CHONGQING CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the object of the present invention is to provide an adaptive automatic transmission with wave-shaped friction transmission, which can not only automatically shift gears and change gears without cutting off the driving force according to the change of driving resistance, but also solve the problem of small torque-rotational speed changes. Meet the problems of road use under complex conditions; long-term operation can still ensure stable support, reduce operating noise, ensure operating comfort and improve transmission efficiency, thereby reducing energy consumption; change the status quo of fast and slow gear engagement, and the long stroke of the axial joint surface of the separation mechanism , the separation and engagement are fast and thorough, which is conducive to improving the transmission accuracy, and the overall shape and position tolerance will still be guaranteed after long-term use, thereby ensuring the stability of the transmission

Method used

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  • Wavy friction drive self-adaption automatic gearbox for electric cars
  • Wavy friction drive self-adaption automatic gearbox for electric cars
  • Wavy friction drive self-adaption automatic gearbox for electric cars

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Embodiment Construction

[0026] figure 1 It is a schematic diagram of the axial section structure of the present invention, figure 2 Schematic diagram of the structure of the overrunning clutch, image 3 It is an axial sectional view of an overrunning clutch, as shown in the figure: the wave-shaped friction transmission adaptive automatic transmission for electric vehicles of the present invention includes a casing and a transmission shaft 1 that is rotatably matched with the casing and outputs power; it also includes a slow transmission The mechanism and the mechanical intelligent adaptive transmission assembly arranged on the transmission shaft 1;

[0027] The mechanical intelligent adaptive transmission assembly includes driven friction disc 6, active friction disc 7 and transmission elastic element;

[0028] The active friction disc 7 and the driven friction disc 6 form a disc-type friction transmission pair that transmits fast gears in the way that the friction surfaces cooperate with each oth...

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Abstract

The invention discloses a wavy friction drive self-adaption automatic gearbox for electric cars. The gearbox comprises a box, a driving shaft, a slow-gear driving mechanism and a mechanical intelligent self-adaption variable-speed assembly. A wavy friction face friction driving pair is adopted for the friction faces of a drive friction disc and a driven friction disc of the mechanical intelligent self-adaption variable-speed assembly. One end of the driving shaft extends out of the box, and power is transmitted to a car rear axle through an output speed reduction mechanism. The wavy friction drive self-adaption automatic gearbox is of a disengaged and engaged structure by means of the friction discs, has the beneficial effect of flexible response, and is small in axial dimension. Meanwhile, due to embedment of an annular protrusion and an annular groove, with the wavy radial sections, of the friction faces, joint of the friction faces is dispersed, not only the coaxiality of the drive friction disc and the driven friction disc is ensured, but also the friction faces are enlarged, and good driving is maintained on the condition of limited elastic force; and the engagement and disengagement flexibility can be ensured, the driving precision is improved, and the wavy friction drive self-adaption automatic gearbox is suitable for the field of electric cars.

Description

technical field [0001] The invention relates to a motor vehicle transmission, in particular to a wave-shaped friction transmission self-adaptive automatic transmission for an electric vehicle. Background technique [0002] In the prior art, automobiles, motorcycles, and electric bicycles basically directly control the throttle or current control speed through a speed control handle or an accelerator pedal, or use a manual mechanical automatic transmission mechanism to realize speed change. The operation of the handle or accelerator pedal depends entirely on the driver's operation, which often causes a mismatch between the operation and the driving conditions, resulting in unstable operation of the motor or engine, and stalling. [0003] When the motor vehicle is operated by the rider without knowing the driving resistance, the speed change device is operated and controlled only based on experience, which inevitably has the following problems: 1. When starting, going uphill a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H37/12
CPCF16H37/12
Inventor 薛荣生朱飞冉阳陈康周黔谭志康文博邓天仪许洹瑞邓云帆胡拾东牟逍梁品权
Owner INST OF OPTICAL MASCH CHONGQING CITY
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