Double-drive rotating device for automobile crane

• Main Authors: CHEN DIANCHUN, CHEN BIN, HU LIANGSHAN, LI ANLIANG, TANG ZONGWU, LI JIZHEN, LI LI, XU LIN, HUANG HUIFAN, LIU XUEHAI, LI TAO
• Format: Patent
• Language: Chinese; English
• Published: 11.10.2022
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a double-drive slewing gear for an automobile crane, which comprises a slewing bearing connected between a rotary table and a lower vehicle and a slewing mechanism arranged on the rotary table and used for driving the rotary table to rotate relative to the lower vehicle, the slewing bearing comprises an outer ring and an inner gear ring movably arranged in the outer ring, the outer ring is connected with the rotary table, and the inner gear ring is connected with the rotary table. The inner gear ring is connected with the lower vehicle; the two rotary mechanisms are arranged on the rotary table, when one rotary mechanism breaks down, the other standby rotary mechanism can be started to replace the rotary mechanism, driving force for rotation of the rotary table continues to be provided, normal hoisting operation of the crane is not affected, and the working efficiency and the strain capacity of the crane are greatly improved; besides, even if the slewing mechanism does not break do