Types of Tie Plate:
As one of the railroad components, tie plate is used to fix rail to railroad tie and keep the rail safe. According to the different applications and design, tie plate can be divided into many types. Single shoulder tie plate, double shoulder tie plate and hook twin tie plate are three typical kinds of tie plate.
Functions of Railroad Tie Plate:
Tie plates transmit the load from steel rail to the railroad ties. They provide even support surface for rail and prevent rail from movement.
Tie plate helps the rail maintain their gauge, which keep the safety of train running.
Tie plate reduce the friction between rail and railroad tie.
Tie plate protect railroad ties from excessive wear, so that prolong their service life.
Tie plate provide proper cant and bear the central load.