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Concrete sleepers are concrete products used as railway sleepers. Concrete sleeper products made of cement, sand, stone, water and admixtures mixed...

A screw is a tool that uses the physics and mathematics of the inclined circular rotation and friction of an object to tighten the mechanism of an ...

1. According to the form of sleeper support (1) Suspended type: that is, the rail joint is suspended between two sleepers. This form of joint is us...

Rail gaskets are the main components of railway tracks. The main material is manganese alloy. Its function is to guide the wheels of the rolling st...

The role of subway bolts, screws and other fasteners in daily life is known, in use there will be rust phenomenon, which is a headache for everyone...

Metro bolts are generally lined ring-shaped. A bow bolt, on the other hand, is a precast lining of concrete (which is usually made of several piece...

As the structure of the tunnel support system, the subway bolt is an important part of the tunnel structure; It is the outer barrier of the tunnel,...

Bolts, mechanical parts, cylindrical threaded fasteners with nuts. Bolt: A type of fastener consisting of two parts, the head and the screw (cylind...

The rail is the most important component of the track, which directly bears the load of the train, relies on the interaction between the inner side...

1. Rail Railway equipment is an important equipment of the railway, and the rail is the main symbol of railway equipment. 2. In the rail brace rail...

Fasteners, also known as standard parts in the market, are a general term for a type of mechanical parts used when two or more parts or components ...

Pitting corrosion is also called pit erosion and small hole corrosion. Caused by the inhomogeneity of defects, impurities, solutes, etc. in metal m...