| 摘要 |
PROBLEM TO BE SOLVED: To reduce the size of the arrangement space of a control valve arranged in a revolving base with respect to the back and forth direction and simplify a link mechanism interlocking an operation pedals provided at both right and left sides of a traveling lever at the front side of the revolving base and a control valve controlling hydraulic devices operated by the operation pedals. SOLUTION: A control valve 31 integrally connecting in one way the control valves controlling various hydraulic devices equipped in the back hoe. The control valve 31 is arranged in the right and left direction so that the supply/return ports of the hydraulic oil of respective control valves face rearward. The travel operation lever is installed at the front side on the revolving base 12, and the control valves controlling hydraulic devices operated by the operation pedals are arranged substantially right under the operation pedals arranged at the left side of the traveling lever and further, the control valve controlling the hydraulic devices operated by the operation pedals arranged in the right side of the traveling lever is set in the right end of the control valve 31. COPYRIGHT: (C)2004,JPO
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