The invention provides a method for disassembling a large tower crane by utilizing a small tower crane. The method comprises the following steps: mounting a small tower crane at a proper position outside a building by utilizing a large tower crane; descending the large tower crane, and descending an inner tower body; lifting the small tower crane until the bottom of a hook of the small tower crane is higher the tip of the large tower crane; disassembling all the balance weights of the large tower crane; disassembling the big arm accessories of the large tower crane; disassembling the big arms of the large tower crane; disassembling the balance arms of the large tower crane; disassembling the tip of the large tower crane; disassembling the rotary assembly of the large tower crane; disassembling the inner tower body of the large tower crane; and disassembling the standard joints and wall attaching connection pieces section by section. The method is used for achieving the purpose in the prior art that the large tower crane which is used for construction and is distributed in the core tube of a high-rise building can be safely disassembled with low cost when the space or the work surface for installing the large tower crane or a roof crane is not large enough.
Method for disassembling large tower crane by utilizing small tower crane
2015-09-02
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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