| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping arrangement structure in a truck frame capable of simplifying constitution by reducing the number of components. SOLUTION: In the arrangement structure of a tilt pipe 53 in a track frame 71, a first opening part 71a and a second opening part 71b are formed in right and left side faces of the track frame 71. The first opening part 71a is formed in a vicinity of a pivot shaft 51 in a side face on the opposing side of a main frame 70. The second opening part 71b is formed near a trunnion 52 in a side surface on the connection side of a working machine 6 to a supporting frame 61. The tilt pipe 53 for feeding pressurized oil to a tilt cylinder 62 for driving the working machine 6 is arranged to connect the first and second opening parts 71a, 71b to each other with a shortest distance. COPYRIGHT: (C)2009,JPO&INPIT
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