The invention discloses a folding arm type lorry-mounted crane and belongs to the technical field of lorry-mounted cranes. The gantry folding arm type lorry-mounted crane achieves the technical purposes of being simple in structure, high in reliability and convenient to install and maintain. According to the adopted technical scheme, the bottom end of a stand column is installed on one edge of the upper face of a base assembly through a swing drive in an offset manner, a hydraulic oil tank is fixedly installed on the other edge of the base assembly, a hydraulic motor is fixedly installed on one side of the swing drive, the upper end of the stand column is hinged to one end of a movable arm assembly, the other end of the movable arm assembly is hinged to one end of a suspension arm assembly, a lifting hook assembly is installed at the other end of the suspension arm assembly, a cylinder body of a movable arm oil cylinder is hinged to the bottom of the stand column, and the end of a piston rod of the movable arm oil cylinder is hinged to the middle of the movable arm assembly; a cylinder body of a suspension arm oil cylinder is hinged to the middle of the movable arm assembly, and the end of a piston rod of the suspension arm oil cylinder is hinged to the suspension arm assembly; and an electrical system is controlled by a wired remote controller. Stand column offset, overall swing and gantry folding are adopted, so that the structure of the crane is simplified and the reliability is improved.
Folding arm type lorry-mounted crane
2016-01-20
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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