| 摘要 |
PROBLEM TO BE SOLVED: To facilitate climbing crane works that vertically slide crane works for the chain case, piping materials, or other materials of a revolving crane. SOLUTION: The metal bar of a revolving shaft provided in a crane base body has a climbing drive gear for driving by the use of the lower gear of an electric gear motor and the gear of a manual reducer in the lower body of the crane, a chain, and a lower part climbing gear. An upper climbing gear and a climbing chain are provided in the upper part of a lower guide plate fitted to the crane base body. The upper and lower climbing gears are wound, and the front and the back of the lower guide plate are looped and revolved. A fitting having a hole fitted to the hole of the revolving climbing chain, a guide fitting for fixing and sliding a load, and a guide plate are provided, thereby sliding the load continuously in a vertical direction. The lower body of the revolving crane is fitted in two ways for the revolving crane and the climbing crane device. COPYRIGHT: (C)2004,JPO
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