MC470 Tower Crane Lease Rent Hire

MC470 Tower Crane Lease Rent Hire

Series , Luffing jib Crane, Topkit tower crane, Hammer head tower crane, Topless tower crane, Flat top tower crane,

Model,

Jib length,   m

Max load,   Ton

Tip load,    Ton

Type, Stationary , Inter climbing ,Travelling,

And other Famous brand, Model ,  Depend on the brand , Model Ability , Year , Height and etc u want.

We have large units store.  From 6Ton to 20Ton. Store and Service all over the world.

Mean time , We supply all the Spare Parts U may need as follow,

Masts Section ,  Anchor Frame, Collar ,Tie , Fixing angle , Cabin, Hoist mech. Trolley mech. Luffing Mech. Slewing Mech. Pulley and etc.

MC470 Tower Crane Lease Rent Hire

Tower Crane Knowledge sharing：

the scale requirements of track and foundation installation in the self-inspection of tower crane

In this paper, the tower crane plantbased on many years of tower crane research, production experience, on the tower crane device self-inspection of the tower crane track and tower crane foundation installation scale requirements, and we discuss.

Standard requirements for track and foundation installation of tower crane in self - inspection

MC470 Tower Crane Lease Rent Hire

1. Complete and effective installation of end stop and buffer setting of walking track.

2. The travel limit system shall not be less than 1 meter from the stop stop device.

3. The windproof rail clamp is effective.

4. The clearance between the track cleaning board and the track shall not be greater than 5mm.

5. It is supported on the road wood or subgrade box, and the two sides of rail joint shall be staggered not less than 1.5mThe gap shall not be more than 4mm, and the height difference shall not be more than 2mm.

MC470 Tower Crane Lease Rent Hire

6. The gauge error shall not be less than 1/1000 and the maximum shall be less than 6mm; The distance between adjacent roots should not be more than 6 meters.

7. The drainage ditch and other facilities are unblocked, and there is no water on the roadbed.

Installation process, installation steps and matters needing attention of tower crane balance arm

The main function of the balance arm of the tower crane is to provide the reverse torque for the lifting boom and ensure the balance of the body. In most cases, the tower crane balance arm is a structure composed of i-beam and Angle steel welded together. It is divided into two sections and connected with lug pin shaft, so as to ensure the balance of the body in the lifting process. It is one of the important tower crane accessories.

In the installation process 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.

MC470 Tower Crane Lease Rent Hire

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.

Tower crane balance arm with railings and corridor, set up work platform, tail tower crane with two special pin at the end of the balance arm shaft connected to the rotating tower, the other end of the rigid rod combination 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

MC470 Tower Crane Lease Rent Hire

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