The cross beam of the scraper conveyer is long strip in appearance and has threaded hole. The whole length, center distance and width of thread hole are different for different types of beam, and the matching bolts and nuts are also different.

The function of the beam of scraper conveyor is equivalent to that of E-type and U-type bolts, which mainly fix the scraper through single-head bolts to form the chain of scraper. In the middle trough, the chain scraper chain is driven by the sprocket shaft group to do circular movement to complete the coal transport.

Shuangzhi coal machine main various types of sliding scraper and supporting bolts, beams. The scraper is forged, its process is more complex, but also according to the customer to provide model, technical requirements, material processing and forging.