The piston rod is a connecting body that moves frequently, and its components are mainly used for the piston in mechanical motion to do work. Piston-type hydraulic cylinders are stable due to the high-quality piston rod, the output mechanical energy will be greater, and the service life will be increased by 2-3 times. Its body is thin and long, and it hates rough and unclean working spaces. . The piston rod transmits the force on the crankshaft to the piston. First, the gasoline pump pumps the oil from the fuel tank to the atomizer. After the atomization is obtained, the combustion expansion generates a driving force, and this force promotes the movement of the piston. The piston then transmits the force to the crankshaft through the piston rod. After the crankshaft turns, the force is transmitted to the gearbox, so that the car can run. The piston rod plays a role of force transmission in the whole process. Three connection methods between the piston rod and the piston: Head connection method: The head connection mainly refers to the connection part between the piston rod and the external load. The more common main connection structure methods are thread type and single ear ring type. When used in the middle, it needs to be determined according to the actual operation situation. The connection method of the tail: the connection method of the tail mainly refers to the connection part between the tail and the piston. There are many structural methods, among which the key-type connection structure method is more prominent. The installation of this key-type connection structure method is convenient, and its performance is also relatively good, so it is used more. The connection method of the main body: the connection between the main body and the piston can be mainly divided into two types: solid type and hollow type. Among them, the solid type is often used in general conditions, while the hollow type is more commonly used in specific requirements. For example, the piston rod in the servo hydraulic cylinder must be equipped with a sensor. Therefore, the solid piston rod is mainly suitable for occasions with a small rod diameter, and when the rod diameter is large, in order to reduce the weight, a hollow piston rod is generally used.
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