FAQ >> Tower crane lifting boom

Tower crane lifting boom

Tower crane lifting boom comprises main boom and fixed jib, the structural type is lattice structure of four tubular chords with intermediate equal section and two end variable section, main boom chord and web rod are made of domestic high quality tube, with the ability for improving torsion resistance.

Boom

Main boom is lattice structure of intermediate equal section and two end variable section, welded by steel tube, boom top and boom foot reinforced by steel plate for load transfer, equipped with boom head single sheave, boom length: 13m-58m.

Construction: boom butt 6.5m, boom insert 3m*1, boom insert 6m*1, boom Insert 9m*4, boom top 6.5m.

Fixed Jib

Fixed jib is lattice structure of intermediate equal section and two end variable section, welded by steel tube, jib top and jib foot reinforced by steel plate for load transfer. Fixed jib can be operated within the range of boom length 13^-43m, and lifting operation length is 9-18m, with two offset angle of 100 and 300.

Fixed jib is connected with boom by strut and front and rear guy cable, and reach its working radius with raising and lowering of boors luffing gear. Fixed jib strut is a-shaped two chords box type structure with good stability, strut length is 4.25m.

Construction: jib butt 4.5m, jib insert 4.5mx2, jib top 4.5m.

Gantry

Gantry is one of the important structural parts, the front foot is box-type structure of twin tubular chard, and the rear foot is folded pendant.

Hook Block

Standard equipment: 70t capacity hook block, 30t capacity hook block, 8t capacity hook block.

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