Racks, also known as pin rails and rack rails, are suitable for the central groove of scraper conveyors and transfer machines used in coal mines.

The rack rail and the pin rail are placed on the rack rail seat to be the walking track of the shearer. The rack rail seat is welded to the middle groove groove, and the rack rail seat and the rack rail are connected by the rack rail pin.

According to the pitch specifications, the rack and pin rails can be divided into: 126 pitch racks and 147 pitch racks.

According to the number of pitches, racks and pin rails can be divided into: 3 pitch rack, 4 pitch rack, 5 pitch rack, 6 pitch rack, 7 pitch rack, 8 pitch rack, 9 Pitch rack.

The rack and pin rail can be divided into: forged rack and forged rack according to the production method.

The racks and pin rails can be divided into: Zhangjiakou racks, Northwest Benniu racks, Shanxi coal machine factory racks, Shandong mining machine racks, Zheng coal machine racks, etc.

Common rack and pin rail models are: 115S-01 , 01TXG126-5, etc.