| 摘要 |
PROBLEM TO BE SOLVED: To prevent a damage of a hydraulic hose due to a twist by suppressing a twist of the hydraulic hose even when a hydraulic cylinder is moved in the x-axis and the y-axis directions. SOLUTION: A slider 75 which is movable in the Y-axis is provided and a hose support 77 which supports the lower side parts of hydraulic hoses 67 and 69 is provided on the slider 75 so as to be rocked with a vertical rocking axis as a center. A first hose fixing fixture 79 which fixes the hydraulic hoses 67 and 69 on the hose support 77 is provided, an end of a chain-like link mechanism is fixed to the hose support 77, a second hose fixing fixture 83 is integrally furnished with the other end of the chain-like link mechanism, and the chain-like link mechanism is constituted so that it is vertically deformable in a caterpillar fashion corresponding to a curved deformation of the hydraulic hoses 67 and 69.
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