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Installation of crane rail clip

SINCHOLD Port Engineering Co.,Ltd | Updated: Oct 18, 2017

There are two types of rail clipsfor installation of rails: one is steel structure beam and the other is precast concrete beam. Precast concrete beams must be embedded with bolts or embedded prefabricated beams of concrete. Installation method crane crawler is used for fixing clips, hook screw fixation, welding and screening. To adjust horizontally, the holes in the rail are usually made of growth holes, and the vertical adjustment can be filled with support. In the design of the rail clips, there should be sufficient rigidity, each clip,  according to the force's size, can be made by single hole or double hole. The vehicle can be welded to the rail only when the rail is welded to the rail or steel plate attached to the crawler.

Different types of rail line must be connected by rail clips: 

1. The size of the different types of rail are not identical, to ensure the reliable connection between the two different types of rail and the top of the guide rail and so on, we must use the special shape of the collection. 

2. There are two types of different types of connectors: one is the use of different steel rails between different types of rails.

Crane rails, railway rail and square steel. The top of the rail is convex, and the bottom is a plate with a certain width, which increases the contact surface with the foundation. The cross section of the rail is mostly zigzag, with good bending strength. Square steel can be regarded as the flat top rail, because of the large wear of the wheel, generally used only for the small weight, slow speed, the work less frequent crane.

Steel rail usually consists of carbon and manganese steel (C=015% ~ 018%, Mn=016% ~ 115%). The typical material of crane rail is U71Mn steel. Square steel is mainly made of Q275 steel or flat side. Crane rail is used as a crane cart and the car in the special section of rail, the standard length of 9, 915, 10, 1015, 11, 1115, 12, 1215, etc. Common specifications are QU70, QU80, QU100, QU120, and the number behind QU indicates the width of the rail head.

Railway rail track and rail are divided into two kinds of heavy rail and light rail. Heavy rail, which weighs more than 30kg/m. The standard rail length is 12150m and 25100m. The light rail is not more than 30kg/m rail, usually 5 ~ 12m. Light rail steel, most of them are killed steel of ordinary carbon structural steel and half killed steel, in order to improve the wear resistance and corrosion resistance of steel, in recent years, use the alloy elements such as Mn, Si, P of the low alloy steel.