Shandong China Coal Import & Export Co., Ltd.

The steel rail, as an infinite beam supported on a continuous elastic foundation, is mainly subjected to concentrated vertical loads from locomotives and vehicles, producing a certain moment in its se

Mining Miners Safety Lamps were invented to prevent naked flame igniting the so-called fire-damp gas in mines. Basically a gauze shield surrounded the flame, however air could enter or there would hav

U-shaped channel steel support is a cross-section shaped like the English letter “U” of steel. U-shaped channel steel support produced in various countries of the cross-section shape, geometry and mat

Rail cutting machine is an essential tool in the railway work that played a significant role in the repair of the railway. Let''s take a look at the working principle and structure of rail cutters.

Railway maintenance mainly contains railway track maintenance and rail building conservation. Railway track maintenance means the repair and maintenance work on the roadbed, track and so on; and railw

U channel steel support is a passive support device with tensile strength, high compressive strength, and has good toughness properties, high supporting force, high supporting strength, can be used re