Front supported large tonnage crawler crane

Application Number: 00112585
Application Date: 2000.09.29
Publication Number: 1319554
Publication Date: 2001.10.31
Priority Information:
International: B66C23/36
Applicant(s) Name: Han Xing
Inventor(s) Name: Han Xing
Patent Agency Code: 00000
Patent Agent:
Abstract The front supporting layer-tonnage crawling crane is characterized by that its front cylinder hinge and rear cylinder hinge are respectively mounted on the lazyarm and revolving body, its front cylinder is respectively connected with front cylinder hinge and base plate, one end of rear cylinder is connected with rear cylinder hinge, its another end is connected with hinge placed on the base plate, and the base plate is connected with supporting plate. Before the body is lifted by lift hook, the rear cylinder is opened, the supporting plate is connected with ground surface, at the same time the front cylinder and hoister are started, at the moment the weight of lifted body is heavier than original structure.