公开(公告)号：US11795657B2

公开(公告)日：2023-10-24

申请号：US17072033

申请日：2020-10-16

申请人： HYUNDAI CONSTRUCTION EQUIPMENT CO., LTD.

发明人： Jin Woo Son ,  Min Seok Kim

IPC分类号： E02F9/18 ,  E02F9/22 ,  B66C23/72 ,  B66F9/075 ,  B62D49/08 ,  B66C23/76

CPC分类号： E02F9/18 ,  B62D49/085 ,  B66C23/72 ,  B66F9/07554 ,  E02F9/22 ,  B66C23/76

摘要： A counterweight mounting device, which is installed on a frame supporting a counterweight, includes a first link of which a lower end is coupled to the frame so that the first link is rotatable about a first hinge shaft, a second link including a slot guide into which a second hinge shaft coupled to an upper end of the first link is inserted and in which the second hinge shaft slides, a hydraulic cylinder of which a lower end is coupled to the frame so that the hydraulic cylinder is rotatable about a cylinder rotation shaft and an upper end is coupled to the second hinge shaft and rotates the first link, and a connection member installed on an upper end of the second link and connected to the counterweight.