CRANE-MANIPULATOR Russian patent published in 2001 - IPC

FIELD: materials handling facilities. SUBSTANCE: proposed crane-manipulator has base turnable in vertical and horizontal planes and mounted on vehicle. Base is made in form of flat triangular truss. Crane-manipulator has three hydraulic cylinders whose housings are hinge-secured on tops of base. Rods of all three cylinders are interconnected and connected with load grip. Crane is furnished also with two base-turning hydraulic cylinders arranged at angle relative to each other. Rods of cylinders are connected with base side opposite to top secured on vehicle. This side of base is provided at one side with two independent screws, each engaging with nut-slider hinge-connected with corresponding cylinder whose rod is connected with rods of two other cylinders, and at other side, with screw having right- hand and left-hand thread engaging with nuts-sliders hinge-connected with base- turning cylinders. EFFECT: enlarged operating capabilities, possibility of control of zone of operation and hydraulic cylinder forces. 2 cl, 8 dwg