Non-friction mechanical stepless transmission mechanism

Abstract

The invention discloses a non-frictional mechanical stepless speed change mechanism which comprises an input shaft, a planet gear mechanism, a double-face cam sliding plate, a speed regulation device and an output shaft. The input shaft is connected with a planet gear of the planet gear mechanism, and an inner gear ring of the planet gear mechanism is fixedly arranged on a rack. A drive pin is arranged on a pitch circle of the planet gear and connected with the double-face cam sliding plate. A gear rack of the speed regulation device is connected with a speed change rod, the speed change rod is connected with an output shaft of a servo motor, and a motor mounting frame of the servo motor is arranged on a second linear guide rail through a sliding block and connected with a cam on one end face of the double-face cam sliding plate through a second connecting rod. Two gears corresponding to an idle gear and a first transition gear of the speed regulation device are arranged on the output shaft and can be meshed with the idle gear and the first transition gear respectively. The non-frictional mechanical stepless speed change mechanism has the beneficial effects of being high in transmission efficiency, simple in structure, easy to machine, convenient to maintain and low in production cost.

Description

technical field [0001] The invention relates to a continuously variable transmission mechanism, in particular to a non-friction mechanical continuously variable transmission mechanism. Background technique [0002] The existing mechanical continuously variable transmission is realized by a hydraulic mechanism or a purely mechanical component. At present, there are mainly two types of stable output and pulsating output. The stable output is mainly realized by the friction between mechanisms. Although various forms of friction continuously variable transmission mechanisms have their own advantages, due to their structural principles and performance limitations, the following defects generally exist: ① friction The starting performance of the type continuously variable transmission mechanism is poor, and an additional starting device is required, which is difficult to manufacture and expensive. ②The bearing capacity and impact resistance are relatively weak. ③Friction transmi...

AI Technical Summary

Problems solved by technology

The stable output is mainly realized by the friction between mechanisms. Although various forms of friction continuously variable transmission mechanisms have their own advantages, due to their structural principles and performance limitations, the following defects generally exist: ① friction The starting performance of the type continuously variable transmission mechanism is poor, and an additional starting device is required, which is difficult to manufacture and the price is relatively high.

② Relatively weak bearing capacity and impact resistance

③Friction transmission is adopted, so the efficiency of the whole machine is not very high, the output power is small, and it is not suitable for high-power occasions

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