| 摘要 |
PROBLEM TO BE SOLVED: To provide a forestry machine and a leveling apparatus for an excavator that can stably maintain the horizontal level of a swing body on an inclination of the rugged ground or a mountainous area. SOLUTION: The forestry machine and the leveling apparatus for the excavator comprise a swing bearing mounting plate 20 tiltably mounted to a lower part of a swing bearing 9; a support plate 40 having a pivot support part and a first piston holder; a tilt plate 30 including a first shaft 13 forming a first tilt shaft, and a second shaft 14 forming a second tilt shaft; a first actuator for swinging the first tilt shaft during extension and contraction driving; and a second actuator for swinging one side of the swing bearing mounting plate 20; wherein the tilt plate 30 has a vertical centerline crossing a centerline in the longitudinal direction of a lower frame, and the respective actuators are installed to be radially apart from the vertical centerline. COPYRIGHT: (C)2009,JPO&INPIT
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