Automobile gearbox and gearbox are the same, but they are called differently.The following is the common sense of variable speed gearbox-
Transmission gearboxes are divided into two types: manual and automatic. Manual transmission gearboxes are mainly composed of gears and shafts, which produce variable speed and torque through different gear combinations; while automatic transmission gearboxes are operated by hydraulic torque converters, planetary gears and hydraulics. The system is composed of hydraulic power transmission and gear combination to achieve variable speed and torque.
The variable speed gearbox has several functions:
①Change the transmission ratio and expand the range of torque and speed of the driving wheels to adapt to the frequently changing driving conditions, and at the same time make the engine work under favorable conditions (higher power and lower fuel consumption);
②Enable the car to run backwards under the condition that the rotation direction of the engine remains unchanged;
③Use neutral gear to interrupt power transmission, so that the engine can be started and idle, and it is convenient for the transmission to shift gears or perform power output.
The variable speed gear box is composed of a variable speed transmission mechanism and an operating mechanism, and a power output device can be installed when necessary.There are two ways to classify: according to the transmission ratio change mode and according to the difference of the control mode.
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