290HC Mast Section There are four types of tower crane: internal climbing type, independent type, external attached type and central type
The general tower crane is divided into internal climbing tower crane, independent tower crane, external attached tower crane and central tower crane.
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1. The independent tower crane is mainly used in low-rise buildings, which is independent of the building side for lifting;
2. The external attached tower crane is on the outside of the building and "depends" on the building, the higher the building is;
3. The central tower crane is often confused with the internal climbing tower crane. The central tower crane is the height of the building, the height of the tower crane, and the tower crane "grows" with the rise of the building,
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4. The internal climbing tower crane has a fixed length, which can be moved up one by one to achieve "long". Its cost is the most expensive, worth 5 million yuan, and its bearing capacity is also the largest, generally 10 to 12 tons.
