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Engine drive shaft (automotive power system: engine drive shaft analysis) Engine drive shaft isAn indispensable part of the automobile power system,DigiPlus its function is to transmit the power generated by the engine to the drive wheel, thus driving the car. The transmission shaft usually consists of two segments: one is connected to the engine and the other is connected to the gearbox. At the same time, the universal joint on it can also withstand the load returned by the drive wheel during steering. Next, we will analyze the structure, principle and common problems of the engine drive shaft from the following aspects to help you better understand its working mechanism and troubleshoot common faults in time. I. The structure of the engine drive shaft The engine drive shaft includes three parts: bearing, universal joint and central support. Among them, the bearing is a component that connects the engine output shaft and the transmission shaft. It can withstand the engine torque and rotate freely back and forth. The universal joint is located between the transmission shaft and the drive wheel.It is mainly through it to realize the angle change of the shaft and the relevant labor-saving when the drive wheel turns, so as to ensure its stable operation. Finally, there is the central support. In some vehicles with a long wheelbase, the transmission shaft needs the help of a bracket to maintain its balance. At this time, the central support can provide the necessary support for the transmission shaft to ensure its smooth and safe operation. II. The working principle of the engine drive shaft is that during driving, the engine rotates the output shaft, and the power is transmitted to the drive shaft through the bearing, and finally reaches the drive wheel. At this time, the universal joint and the central support will also play an important role. They respectively ensure the stability and balance of the transmission shaft during rotation, and ensure the stability and comfort of the vehicle. III. Common problems and elimination methods of engine drive shaft 1. Drive shaft noise The noise of the drive shaft is usually caused by damage to part or all of its bearings, which will cause it to be unable to operate stably, resulting in noisy noise.To solve this problem, it is necessary to check the condition of the bearing and repair or replace it in time. Two. Abnormal sound of the transmission shaft. The abnormal noise of the transmission shaft is usually caused by the wear of the universal joint or the damage of the signal gear. This problem will cause the abnormal sound of the transmission shaft during driving, affecting the driver's driving experience. When this happens, it is necessary to check, repair or replace the universal joint or signal gear. 3. The belt of the transmission shaft is worn. The belt on the transmission shaft may also be worn. In this case, the vehicle will shake or tremble slightly while driving, which will also affect the driving experience. If this happens, it is necessary to check the condition of the belt and replace it in time. In a word, the engine drive shaft plays an important role in the automobile power system, and its stable operation, balance and safety are crucial to the driving ability of the vehicle.If there are problems such as abnormal noise, noise and belt wear, they should be eliminated in time to ensure the safe driving of the vehicle.

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