| 摘要 |
PROBLEM TO BE SOLVED: To prevent a rotary joint from largely rocking by rotational torque, even if a fixture such as a bolt loosens, while reducing strength of a rotary joint installing part. SOLUTION: This rotary joint 117 installing structure in a revolving work machine, is formed by installing a vertical directional central part of the rotary joint 117 on a bottom plate 40 of a traveling frame 27 via a support stay 129 by upwardly projecting the support stay 129 on the bottom plate 40 of the traveling frame 27. The installing structure has a revolving body 2 having a work device 7 on a traveling device 3 so as to be freely rotatable around the revolving axis X in the vertical direction. The rotary joint 117 is arranged on the revolving axis X of the traveling frame 27 of the traveling device 3. COPYRIGHT: (C)2006,JPO&NCIPI
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