| 摘要 |
PURPOSE: A tower crane with an elevator is provided to maximize working efficiency by installing an elevator in a mast of a tower crane. CONSTITUTION: A tower crane comprises a mast(110), an elevator(120), a winch(130), elevator guiding cores(140), and switchboards(150). The mast is vertically assembled and arranged. The elevator is installed in the mast to be vertically moved by a wire and comprises a space for boarding passengers and an entrance. The winch is installed in the upper part of the mast and vertically moves the elevator by winding or unwinding the wire. The elevator guiding cores are installed in the mast in parallel with a vertical moving path of the elevator to guide the vertical movement of the elevator. The switchboards are positioned in parallel with the elevator guiding cores in the mast. |
