Bearing hinge point for crane and maintenance method thereof

• Main Authors: XIE WANPENG, SHI LIANG, XUE MENGYAO, XIAO LITAO, DOU FENGLOU
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2023
• Subjects: BEARINGS; BLASTING; CRANES; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HAULING; HEATING; HOISTING; LIFTING; LIGHTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The invention relates to the technical field of bearing hinge points in heavy machinery, and discloses a bearing hinge point for a crane and a maintenance method thereof.The bearing hinge point comprises a bearing seat, a bearing is arranged in the bearing seat, a hinge point shaft penetrates through the bearing and is coaxially arranged with the bearing seat, and bearing end covers fixedly connected with the side face of the bearing seat are arranged on the two sides of the bearing; a center hole matched with the hinge point shaft is formed in the bearing end cover, a first annular groove is formed in the position, on the outer side face of the bearing end cover, of the center hole, the felt ring is arranged on the peripheral side of the hinge point shaft in a sleeved mode and clamped in the first annular groove, the section of the felt ring is in an L shape so that a shoulder can be formed on the outer side face of the felt ring, and the felt ring baffle abuts against the shoulder and is fixedly connected w