Anchor Frame Collar 120HC Mast Liebherr

Products Specification

Type , Model: Anchor Frame Collar 120HC Mast Liebherr

Size: 1.8Mx1.8mx2.5m masts

Brand: Liebherr tower crane

Materials: Q345B

Process: Blasting derusting, 

Painting:  Under painting , Middle painting, Surface painting.

Our factory produce and supply almost all famous brand tower crane :Mast section, Anchor Frame, Fixing angle ,Adaptor and so on as good quality and price.

Anchor Frame Collar 120HC Mast Liebherr

Tower Crane Knowledge sharing

Balance arm function, balance arm installation steps

The role of the balance arm is mainly to provide the reverse torque for the lifting boom, so as to ensure the balance of the body in the lifting process, which is one of the important tower crane accessories.

In most cases, the tower crane balance arm for beams and angles of compound structure, two sections, plate pin shaft connected with the ear, balance of tower crane arm with railings and corridor, set up work platform, tail tower crane balance arm with two specially made at the end of the pin shaft connected to the rotating tower.

Anchor Frame Collar 120HC Mast Liebherr

The other end of the combination of the rigid rod with cap towers are linked together, the tail with a balance weight and lifting mechanism, the lifting mechanism itself has its own base, with four pin shaft balance on the balance of tower crane arm, the weight of the balance weight changes with the arm length change.

In the process of installation of tower crane balance arm, first of all, two balance arms should be assembled on the ground, lifting mechanism, electric control box, resistance precision.

The balance arm pull rod is installed on the balance arm and should be well connected. The slewing mechanism is connected with the temporary power supply, and the above part of the slewing support is slewing to the position that is convenient for installing the balance arm.

Anchor Frame Collar 120HC Mast Liebherr

Then, the tower crane construction personnel should lift the balance arm (the balance arm is equipped with 4 mounting lugs), and use the pin shaft to fix and connect the balance arm with the rotary tower body.

Gradually lift the balance arm to the appropriate position, so that the balance arm on the pull rod and the balance pipe on the top of the tower pull rod pin wheel connection, through the pin shaft and open cotter pin.

Finally, slowly lower the balance arm, then lift the balance weight installed in the balance arm after the largest position nearest the top of the tower.

Anchor Frame Collar 120HC Mast Liebherr