OGGER MANIPULATOR SLEWING CIRCLE Russian patent published in 2003 - IPC

FIELD: timber industry. SUBSTANCE: proposed slewing circle of logger manipulator includes roller bearing support whose fixed part is rigidly secured on frame of self-propelled chassis and is furnished with gear rim on inner circumference. Turntable is rigidly installed on movable part. Said turntable carries manipulator and mechanism for turning turntable in horizontal plane relative to frame of self-propelled chassis. Driving gear mounted on output shaft of turning mechanism is in meshing with gear rim of fixed part. Sector is installed on free end of output shaft of turning mechanism for turning relative to vertical axis of output shaft. Sector is hinge-coupled with fixed part of support from side of arc of circumference for rolling along slot made on circumference of support fixed part. Sector is provided with slots in which slider is installed. Sector is fitted on free end of turning mechanism shaft through said slider. Slider is provided with mechanism for its positive displacement along slots. Said mechanism is made, for instance, in form of turnbuckles or threaded studs with right-hand threads on one end and left-hand threads of other end. EFFECT: improved reliability of device, increased service life. 4 cl, 4 dwg