| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a frame structure of a construction machine easily and integrally forming a turning frame and a support bracket by casting without using a core. Ž<P>SOLUTION: The support bracket 35 having an erected part 35a erected from a bottom plate 32 of the turning frame 31, and a plane part 35b horizontally projected from the upper end of the erected part 35a, is formed integrally with the turning frame 31. A through hole 36 is formed in the bottom plate 32 of the turning frame 31, in a position to overlap with the plane part 35b of the support bracket 35 from the top view. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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