MANIPULATOR Russian patent published in 2001 - IPC

FIELD: agricultural engineering; load-lifting facilities. SUBSTANCE: manipulator has base with mounting brackets and extensible supports, slewing column with hinge-mounted boom and secured for turning around vertical axle of base, stick with load-gripping hook, boom and stick hydraulic control drives and slewing column turning mechanism. Base is made in form of shaped truss. Slewing column is made in form of hollow rod and is installed in space of base vertical beam on radial sliding bearing spaced in height of beam and thrust bearing arranged in bottom part of vertical beam of base. Turning mechanism of slewing column is arranged in upper part of column which is furnished also with brackets located in its upper part for hinge-coupling with base of boom hydraulic control drive and lower hinge joint of boom. Boom is provided with slider enclosing the boom for limited displacement which is ensured by stop. Hydraulic control drives of boom and to each other. EFFECT: enlarged boom turning range. 3 cl, 16 dwg