Tubular shaft type lifting lug for lifting box-shaped derrick

• Main Authors: ZHANG XUGANG, CHEN XIHUA, MA ZHIMIN, YANG XUEYIN, SHEN CHUNHUA
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model belongs to the technical field of box-type derrick hoisting, and particularly relates to a tubular shaft type lifting lug for box-type derrick hoisting, which comprises a tubular shaft, a reinforcing rib plate I is arranged inside one end of the tubular shaft for steel wire rope hoisting, and an annular baffle is arranged at the end part of the other end of the tubular shaft for steel wire rope hoisting; one end of the pipe shaft away from the steel wire rope hoist is fixed with the box-shaped derrick. The steel wire rope is installed and welded in the box-shaped derrick and is large in bearing capacity, in the derrick hoisting process, the steel wire rope for hoisting can rotate along the pipe shaft, the stress of the steel wire rope is improved, and hoisting operation safety is guaranteed. 本实用新型属于箱形井架吊装技术领域，具体涉及一种用于箱形井架吊装的管轴式吊耳，管轴式吊耳包括管轴，管轴用于钢丝绳吊装的一端内部设有加强筋板Ⅰ，且管轴用于钢丝绳吊装的一端端部设有环形挡板；管轴远离钢丝绳吊装的一端与箱形井架固定。本申请安装焊接于箱形井架内部，承载力大，在井架吊装过程中，吊装用钢丝绳可沿管轴转动，改善了钢丝绳受力，保证了吊装作业安全。