| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-propelled work machine, especially the mobile crane improved in energy efficiency.SOLUTION: A self-propelled work machine comprises: a chassis 1 constructed to move the work machine; an upper structure 2 rotatably installed on the chassis 1; and a driver 3 having a driving prime mover 4. The driver 3 includes a moment transmitting part 5 formed between the upper structure 2 and the chassis 1 and configured to transmit the power output by the driving prime mover 4 in the form of moment between the upper structure 2 and the chassis 1, and at least one, especially all of driving elements 10 receive the moment around the axis extending in the vicinity of a rotary bearing of the upper structure 2 and the chassis 1, especially around the rotary axis 7 of the upper structure. |
