How To Extend The Service Life Of Fishplate

There are many types of parts that ensure safe railway operation, and different railway equipment can be divided into different models and materials. As a kind of railway equipment, fishplates are mainly installed at track joints and play a connecting role. Although the functions and effects of fishplates are undeniable, some problems may arise when using fishplates, which directly affect the use effect and service life. Cracks are one of the common faults of fishplates. By reducing the cracks of fishplates, the service life of fishplates can be extended.
Reducing the slip amplitude is to reduce the amplitude of the relative interaction between the rail and the fish plate. The slip amplitude can be reduced by adjusting the fastening force between the rail and the fish plate, or the impact effect can be reduced by improving the joint condition. to reduce the slip amplitude. Reducing the friction coefficient can be achieved through various channels, such as surface treatment, improving the surface quality of the fishplate or adding some form of intermediary to the material contact surface. Reduce the contact pressure. There are many factors that affect the contact pressure. Reducing the contact pressure can reduce the intensity of the interaction force between the rail and the fishplate. Working conditions, axle load, vehicle speed, etc. will all have a greater impact on it. Some of them must be endured under working conditions, such as load, vehicle speed, etc., and some can be corrected by improving the working conditions, such as maintaining Proper rail seams, good joint maintenance, etc. In addition, the geometry of the mating surface between the rail and the fishplate will also affect the joint pressure.