R20A Bases Fixing Angle Tower Crane

 Products Specification

Type , Model: R20A Bases Fixing Angle Tower Crane

Size: 2M

Use for : L66A1, L66A3 ,L 68A1, L68A3, L68B1, L68B2 , L68B3  mast section , P20A  R20A, P21A  R21A  ,2m L type mast

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.

R20A Bases Fixing Angle Tower Crane

R21A Bases Fixing Angle Tower Crane

Tower Crane Knowledge sharing：

How to remove the tower crane? Preparation and operation procedure before demolition

How to remove the tower crane? The method of removing tower crane is the same as that of installing tower crane, but the working procedure is opposite.

That is, after the installation of the installation of the disassembly after installation, is strictly prohibited to use the method of power failure to make the tower naturally down, must use the reverse control of the operation to put down the tower.

The demolition of the tower crane is more dangerous than the erection of the tower, so it is still necessary to carefully study and formulate the plan before the demolition of the tower crane to the staff involved in the disclosure and strict division of labor.

R20A Bases Fixing Angle Tower Crane

R21A Bases Fixing Angle Tower Crane

1. Make preparations before removing the tower crane

Check the reliability of the anchor, and check the various parts of the crane structure bolt fastening, the tower crane in anchoring the specified location, walking distance to the main driving card fast rail clamp will walk round chocking antiskid reinforcement.

Wedge cross brace door frame and track, and check down the tower rotate within the scope of any scaffolding and other obstacles, first dismantle lifting beam, such as actuating arm parts of weight inside the bucket with iron do not cast down from the sky with a hoisting rope down the shipment.

R20A Bases Fixing Angle Tower Crane

R21A Bases Fixing Angle Tower Crane

2. put the tower

The same as the installation of the tower body before the work to conduct a unified command of the division of labor to monitor the anchor. Detailed inspection of the work to ensure that a time to the middle of the position do not stop.

Before the tower is put, a long steel wire rope is tied from the top of the tower, and the Leaning Tower body is pulled by a crane or ream mill until the tower body exceeds the center of gravity.

R20A Bases Fixing Angle Tower Crane

R21A Bases Fixing Angle Tower Crane

When approaching the battlements on the ground, slow down the speed so as to minimize the vibration when the tower is placed on the battlements.