L68A1 Mast Sectionremoving the attached wall pole of tower crane
When removing the attached wall bar of tower crane, the attached wall bar shall be removed first, and then the attached wall frame. It should be noted that the perpendicularity of the tower body is adjusted by the attached wall bar, which results in a certain internal force between the tower body and the attached wall bar.
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When the connection between the attached wall pole and the building is removed, the binding of the tower body will be released and rebound will occur. Therefore, the operating staff must pay attention to the choice of the operation position of the insurance to prevent accidents.
When the self elevating tower crane is disassembled, the hydraulic jacking device shall be used first to lower the section and disassemble the standard section. When the height of the tower crane drops to the vicinity of the attachment device, the attachment wall can be removed for installation.
