256HC Mast Section Concept, composition, price and self increase of tower crane
The concept of tower crane; the composition of tower crane; the price of tower crane; the rise of tower crane itself.
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The concept of tower crane: tower crane is also called "tower crane" or "tower crane"; because it looks like a tower, it is also called tower crane.
Composition of tower crane: according to the functions of each part, tower crane can be divided into foundation, tower body, jacking, slewing, lifting, balance arm, lifting arm, lifting trolley, tower top, cab, luffing and other parts. In the bridge crane, the tower body is the body of the tower crane, which is also the raised part; the jacking part enables the tower crane to be raised; the slewing part keeps the upper body of the tower crane rotating horizontally; the lifting mechanism is used to lift the weight; the balance boom is used to maintain the moment balance; the boom is generally the stressed part of lifting the weight; the trolley is used to install the pulley block, steel rope and The hook is also the part of the direct force; the tower top is of course used to keep the force balance of the boom; the cab is the place for operation; the luffing is to make the car run along the track.
The price of tower crane: due to the variety and model size of each tower crane are different, the price can be tens of thousands to tens of millions.
Self lifting of tower crane: The tower crane has a lifting jacket. When lifting, the jacket first rises upward. When it rises, there will be a space between the tower body and the jacket. Then, install the standard section of the tower body in this space. The jacket rises here, and then install the standard section in the empty jacket. In this way, the tower crane will increase according to the standard section It's going up.
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