[203S03-2 dumbbell pin] Northwest Running of the Bulls, scraper machine parts, double Chi direct sales is mainly used for mine coupled with a dumbbell scraper chute, chute scraper attached by bolts and cable trays, using dumbbells connection between the chute, so Shearer formed a running rail and coal carrier channels. Mine is a device with a dumbbell pin crusher fish plm1000 trough trough scraper loader connected, simple characteristic structure, easy to install, reliable links. Dumbbell link strength of 3000kn, compared with the long-ring connection, the connection is more reliable. 196S-type scraper dumbbell pin purposes: for mechanized mining coupling central groove. Features: simple structure, easy to install, reliable links. Material: high alloy Gang, forging molding, transfer of heat treatment, to ensure its strength, commonly used materials are 40Mn2,40CrNiMo or 42CrNiMo other materials. Mechanical properties: strength of dumbbell link 3000kn, compared with the long-ring connection, the connection is more reliable. Supporting Quantity: general mechanized mining scraper supporting 200-300 dumbbell overhead. Dumbbell pin is mine scraper conveyor, on both sides of the central groove groove help connect major components, which uses high-quality structural steel forging forming a whole, the transfer of heat treatment intensity, toughness requirements are up to the whole assembly. Ensure the safe use of the same time, greatly enhance the effectiveness of production and transport of