JHY

Common sense of automobile: clutch and gasoline pump

by:JHY     2020-02-19
Whether it is manual gear or automatic gear, when changing gear, it is necessary to temporarily cut off the connection between the gearbox and the engine. It is the clutch that completes this work. In addition, the fuel needed by the engine to work is supplied by the fuel pump. Talk about these two parts by enrui clutch cylinder. The function of the clutch the power output by the automobile engine is transmitted to the wheels through the gearbox. However, the power cannot be directly transmitted to the gearbox, otherwise it will become difficult to start and shift. When shifting gears, it is necessary to temporarily disconnect the power so that there is no force 'oppression' between the gears, and the shifting can proceed smoothly. In addition, in order to ensure that the engine can continue to run when the car starts smoothly and stops, a device is needed to control the power according to the demand. This device is the clutch. The clutch is like a switch, which is responsible for turning on and off the power transmission between the engine and the gearbox. The structure of the clutch the clutch is installed between the engine and the gearbox, and the clutch plate (Also known as friction plate), Pressure plate, separation bearing and separation shifting fork. The power output of the engine is the crankshaft. The flywheel is installed at the end of the crankshaft. The shell of the clutch assembly is installed on the flywheel. There are pressure plates and clutch plates in the Shell. The first gear shaft of the gearbox is connected with the clutch plate, the clutch plate is squeezed on the flywheel by the pressure plate. When the car is running normally, the friction between the flywheel and the clutch plate is the largest, so the operation of the crankshaft is transmitted to the gearbox. When the driver steps down the clutch pedal, the separation shifting fork pushes the separation bearing, and the pressure plate is lifted. At this time, the friction between the clutch plate and the flywheel is very small, that is to say, the flywheel continues to run under the drive of the crankshaft, but the power has been transmitted, it's not coming to the gearbox. The clutch is divided into three working states: full linkage, full separation and half clutch. Not stepping on the clutch pedal is full linkage; Stepping on the clutch pedal to the end is to separate all; Partially stepping on the clutch pedal is half-connected. Among them, semi-linkage is used for starting, short-distance reversing and some special road conditions, such as ravines, silt, etc. The semi-linkage has a large wear on the clutch plate, usually only 1- After 2 minutes of semi-continuous movement, you can smell the strong smell of burning. Although it does not affect driving at this time, regular semi-continuous movement is not a good driving habit. It is a very bad driving behavior for someone to always step on the clutch pedal before stepping on the brake. Should be avoided. The right way is to step on the clutch pedal when the car is about to stop.
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