Scraper derailleur Chi // // Henan double figure number 86S010103 derailleur derailleur: derailleur role: scraper, also known as the scraper conveyor, is currently the only longwall coal face transportation equipment, loader, loader, also known as bridge, installed under the drift in the coal face, its role is to face in scraper to transport coal out of the belt conveyor and scalable, while reducing tape telescopic belt conveyor disassembly times. Scraper, loader works: by bypassing the nose and tail wheel sprocket Promise circulating scraper chain as traction mechanism, in order to achieve the chute as a support mechanism to transport coal. The conveyor is running, for the scraper chain and sprocket engage and disengage smoothly, avoiding card chain, heap chain scission or cause to fight tooth sprockets and other accidents, the head of the head in the machine frame equipped derailleur . Its role is: When the engagement ring chain and sprocket assembly disengaged to prevent the chain sprocket ring stuck in the grooves and not in the normal separation point disengaged. Derailleur for welded structure. When installing the rear derailleur, fork inserted into the groove sprocket teeth, tongue derailleur plate or use a pin fixed to the head frame. Scraper derailleur // // Henan Chi derailleur double figure number 86S010103