Electric hoist gantry crane is a small and medium-sized lifting equipment with rail operation, It is mainly composed of gantry
(main beam, outrigger, lower beam, etc.), lifting mechanism, operating mechanism and electric control part, The electric hoist is used as the lifting mechanism, which runs along the lower flange of I-beam of main beam. The whole machine has the characteristics of light weight, simple structure and convenient installation and maintenance. It is suitable for the general loading and unloading of factories, mines, freight yards and warehouses within the scope of small and medium lifting capacity. It is forbidden to work in the environment with inflammable, explosive and corrosive gases.