| 摘要 |
PROBLEM TO BE SOLVED: To provide a swing working machine which facilitates the assembly of a hydraulic hose arranged in a working device from a control valve. SOLUTION: A supporting portion 39 for supporting a working device 17 provided in the front of a swing frame 18 comprises: right and left vertical plates 56R and 56L, and a bottom plate 58 provided between the right and left vertical plates 56R and 56L; the right and left vertical plates 56R and 56L are each provided with a boom pivoting portion 63 for pivoting a boom 41 of the working device 17; a cylinder pivoting portion 65 for pivoting the one-end side of a hydraulic cylinder 51 for swinging the boom 41 is provided on the front side and lower side of the boom pivoting portion 63; and a front 74 of an upper-side edge 71 of the vertical plate 56R on the side of the control valve 27 is formed in such a shape as to be positioned below the cylinder pivoting portion 65 and an arrangement path 76 of the hydraulic hose 75 which is arranged in the working device 17 from the control valve 27 provided on the lateral side of the supporting portion 39. COPYRIGHT: (C)2010,JPO&INPIT
|
