| 摘要 |
The present invention provides a crawler crane capable of corresponding to the reduced width of a crawler crane by optimizing the position relation between car body weights and jacks on a car body. Axles are installed in the car body to be retractile. Crawler expansion and contraction cylinders (18b) for laterally moving crawlers are installed between the car body and the crawlers (18). Brackets (17b) for a jack are installed on both ends of the front and rear surfaces of the car body (17). Upper connection arms (17c) for mounting the upper bracket (23) of the car body weights (20) are integrated with the brackets for a jack. The car body weights are arranged between jacks (19) laterally close to each other when being moved to a housing position (A) positioned within the width of the car body. |
