154HC Mast SectionThe cross arm of the tower crane is mainly composed of two parts, namely, the lifting arm
the composition of the cross arm of the tower crane, the cross arm of the tower crane is mainly composed of the lifting arm of the tower crane and the horizontal cross arm of the Tower Crane. Tower crane boom brief introduction, structure, tower crane boom is a combination of variable structure, a total of nine sections. The upper and lower chords of the boom are square pipes made of two angle steels welded together. The whole boom has a triangular section. The joints are connected by pin shafts.
154HC Mast Section
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It is convenient to disassemble and assemble, the lifting arm adopts the structure of double lifting points variable cross-section Space Truss, a trolley traction mechanism is placed in the First Section of the lifting arm, and a hanging basket is arranged on the trolley for easy installation and maintenance. In order to ensure the crane arm level, the second and sixth arm are provided with two hanging points through which they are connected with the tower cap. The function of the Tower Crane balance arm and the tower crane horizontal arm is mainly to provide the reverse torque for the crane arm. In most cases, the tower crane balance arm is a structure composed of i-beam and angle steel welded together, in order to ensure the balance of the body in the lifting process, is one of the important tower crane accessories.
