Mine hydraulic jib lifting device (dedicated to the middle tank)

This device is also known as "the special vehicle for hydraulic lifting of the middle trough", which is used for the installation of the middle trough of the scraper conveyor. It consists of car body, slewing support, rotating seat, lifting arm, lifting tensioning device, walking tensioning device, central tensioning device, hydraulic cylinder and its hydraulic control system. Utilize the pulling force and thrust generated by the expansion and contraction of the walking cylinder to complete the front and rear walking of the body in the middle tank; complete the lifting and installation work of the middle tank through the expansion and contraction of the lifting hydraulic cylinder and the rotation of the lifting arm, which has the advantages of simple structure, flexible lifting, reliable operation and time saving. Labor-saving and other features.