Rail splint/connecting plate, commonly known as fishtail plate, it plays a connecting role at the rail joint. Rail splint is a kind of fastener used to connect rail to rail. Generally, it consists of the splint and matching fishtail bolts. It plays the role of connecting rails, facilitating the subsequent removal and reuse, and also has the use of direct welding without connecting plates.
The rail fish plate is also commonly referred to as a splint. The fish plate is a connecting fastener used for the connection between the track and the track. It is divided into light rail, heavy rail and lifting rail.
A screw hole is arranged in the middle of the screw hole, and an upper working face contacting the lower part of the rail head and a lower working face contacting the upper part of the rail bottom are arranged on the upper and lower sides of the horizontal axis of the screw hole. The rear part of the upper working face extends upward to form a transition section higher than the rail surface. The transition section forms a middle arch with a low height at both ends along the length of the fishplate.
The bridge-shaped fishplate has a simple structure, it can reduce the impact of the wheel on the rail joint, increase the continuity of the longitudinal deformation of the rail at the joint, and improve the smoothness of the train when passing.
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