Function:
Buffering and shock absorption: During the operation of the train, there will be huge impact forces and vibrations between the wheels and the rails. The pad can effectively absorb and buffer these vibrations, reducing damage to the track structure and the train itself, and improving the stability and comfort of train operation.
Adjusting the height and level of the track surface: Due to issues such as uneven track surfaces and height differences that may occur during the construction and use of railway lines, the pad can make fine adjustments to the height and level of the track surface through different thicknesses and material choices, ensuring that the geometric dimensions of the track meet the requirements and guaranteeing the safe operation of the train.
Distributing pressure: The concentrated pressure of the train wheels on the rails is evenly distributed to the ballast or other foundation structures, preventing the rails from deforming or wearing due to excessive local pressure, while also protecting the stability of the ballast and foundation structures.
Classification:
Rubber pads: They have good elasticity and shock absorption performance, effectively absorbing vibrations and noise generated during train operation. They also have advantages such as wear resistance and corrosion resistance, making them one of the most widely used types of pads in railway tracks today.
Composite pads: Usually made from a combination of various materials, such as rubber and steel plates, fiber boards, etc., they combine the advantages of multiple materials, providing good elasticity and shock absorption while ensuring a certain level of strength and rigidity, suitable for different track structures and operating conditions.
Wooden pads: A traditional pad material that has certain elasticity and cushioning performance, but is prone to decay and deformation, requiring regular replacement. They are still used in some railway branches or lower-grade lines.
pad
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