| 摘要 |
The present invention relates to a jib crane. The jib crane has a power unit as a power source thereon. Therefore, the present invention can significantly efficiently and stably perform urgent work such as preparation for bad weather and significantly reduce costs of successive work using an additional towing truck. The jib crane comprises a base, a column, a boom, a driver′s seat and a control valve assembly formed on a front side of the driver′s seat, a hydraulic cylinder, and a power unit. |
