| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler vehicle having an oscillation track carriage designed so as to easily solve conventional disadvantages at a low cost. SOLUTION: The crawler vehicle (1) has a frame (2) extending along the longitudinal axis (3) thereof, and two lateral track carriages (4) oscillating with respect to the frame (2) around a rear transverse shaft (10). Each track carriage (4) is connected to a front cross member (18) by a connection assembly (25) having a pin (30), and the cross member (18) and the track carriages (4) are relatively oscillated around a hinge shaft (17) perpendicular to the rear transverse shaft (10) by the pin (30). The pin (30) has an eccentric part (38) for changing the size of the cross member (18) between two predetermined values when the track carriages (4) are oscillated around the rear transverse shaft (10).
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