Railway accessories wooden pillow tips

   Railway accessories Wooden pillows made of wood. Also known as sleepers, anti-corrosion wooden pillow, also known as oiling sleepers. Make wooden pillars to use tough and elastic wood. Wood pillow by use can be divided into ordinary wooden pillow, fork pillow, bridge pillow. Ordinary wooden pillow standard length of 2.5m, the cross-sectional shape is divided into I, Ⅱ two types, for different grades on the line. For the turn of the fork on the pillow, the cross-section than the wooden pillow width, length from 2600mm to 4800mm, divided into 12 kinds, each length difference of 20mm, when used according to the actual width of the turnout group selection. For bridge pillars, the cross-sectional dimensions vary depending on the center spacing of the main beam (or stringer). Wood pillow with good flexibility, easy processing, easy to use and so on. Since its own railway, the pillow is the main type of sleeper. However, due to the reasons for the material, the elasticity of the pillow, strength and durability is not uniform, will increase the role of wheel and rail power, and to use a lot of high quality wood. Wood pillow life is short, its failure for many reasons, mainly decay, mechanical wear and cracking. Wooden pillow due to easy to rot, in the road before the anti-corrosion treatment. The wood pillars that are not treated with anti-corrosion are called pillows. China's timber resources are scarce, expensive, in the main trunk has been gradually replaced by concrete pillow.