LIFTING AND TRANSPORTATION DEVICE SLEWING GEAR Russian patent published in 1997 - IPC

FIELD: mechanical engineering; materials handling facilities. SUBSTANCE: slewing gear has bracket 1 rigidly secured on intermediate support 2. Bearings 3 are mounted on bracket. Taper bushing 4 is installed with alignment on outer races of bearings. Taper bushing 6 is secured in support column 5. Bushing 4 is fitted in bushing 6. At steady motion, bracket 1 turns together with intermediate support 2 in bearings 3 relative to fixed bushings 4 and 6 and support column 5. EFFECT: improved repairability, reduced overall dimensions of bearings. 2 cl, 2 dwg