Product introduction: henan mine crane co., LTD. Gantry crane most often as a big lifting weight casting up picking up the weight of the device, it is composed of pulley, beam, balance arm, fork lift, the dragon door hook, insulation board, connecting shaft, etc. Spreader beam are connected to the dragon door hook by lifting a fork, dragon door clasps to fold the chip board. Folding plate hook group composed of several piece of cut steel plate riveted, individual crack of plate does not destroy the whole hook block and has good security, but dead weight is bigger, but the weight is bigger, mostly used in big lifting weight or dispatching steel barrels of cranes.Hook in hit frequently during operation, the toughness good quality carbon steel should be used in manufacturing.
