The present invention relates to a coal handling appointed bucket chain guide rollers to prevent that, more specifically, the fine coal powder or dust generated during loading and unloading operations of the coal on the coal handling appointed bucket chain guide roller coming into the inner body portion .
The present invention relates to the installation of the hayeokgi chain drive for transporting the coal is provided to the connection axis of the chain which supports the bucket which is the coal packed and connected to the endless track on the guide roller for guiding the traveling of the chain, the outer inwardly to the bearing is fitted in the side state where the connecting shaft is inserted, and the connecting shaft are being of the disk-like flange formed at one side of the insertion direction formed in the protruding guide protrusion to the end portion of the flange to the bearing direction sleeve; The body portion of the hollow, which is installed to receive the bearing in a state groove is formed on one side of the longitudinal guide projection of the sleeve is inserted; Dust protection unit inlet to prevent the fine coal powder or dust which is formed in the inside of the groove caused when loading and unloading of coal that flows toward the bearing is received in the interior of the main body first; Sealing unit to again prevent the fine coal powder or dust which is provided between the main body and the sleeve passed through the said anti-dust inlet entering the side of the bearing; Is characterized in that comprises a; and the foreign matter is installed fixedly on the longitudinal other end of the main body cover portion to prevent the inlet to the inside of the main body.