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    • 3. 发明申请
    • Tractor with backhoe
    • 拖拉机与反铲
    • US20060254415A1
    • 2006-11-16
    • US11375360
    • 2006-03-14
    • Eiji MiyazakiShuichi TakeshitaTsuyoshi Aoki
    • Eiji MiyazakiShuichi TakeshitaTsuyoshi Aoki
    • F15B11/00
    • E02F3/384E02F9/2267E02F9/2271E02F9/2275Y10S414/131
    • A tractor with a backhoe is disclosed. The backhoe is mounted to a rear portion of the tractor. The backhoe has a boom, an arm pivotally supported to a leading end of the boom, a bucket pivotally supported to a leading end of the arm, a boom cylinder for operating the boom, an arm cylinder for operating the arm and a bucket cylinder for operating the bucket. The tractor includes a frame attached to a rear portion of the tractor, a swing bracket supported to a rear portion of the frame to be pivotable about a vertical axis, a control valve unit having control valves for controlling the boom cylinder, the arm cylinder and the bucket cylinder and a hose unit for feeding pressure oil from the control valve unit to the boom cylinder, the arm cylinder and the bucket cylinder. The wing bracket includes a first opening open to the front side and a second opening open to the rear side. The control valve unit is disposed, in its plan view, on an extension line of the first opening and the second opening. The hose unit extends substantially linearly from the control valve unit through the first opening to the second opening.
    • 公开了具有反铲的拖拉机。 该反铲装置安装在拖拉机的后部。 该反铲具有悬臂,枢转地支撑在起重臂的前端的臂,可枢转地支撑在臂的前端的铲斗,用于操作动臂的动臂缸,用于操作臂的斗杆缸和用于 操作桶。 拖拉机包括安装在拖拉机后部的框架,支撑在框架后部以绕垂直轴线转动的摆动支架,具有用于控制起重臂液压缸,臂缸和 铲斗缸和用于将压力油从控制阀单元输送到动臂缸,斗杆缸和铲斗缸的软管单元。 翼支架包括向前侧开口的第一开口和向后侧开口的第二开口。 控制阀单元在其平面图中设置在第一开口和第二开口的延伸线上。 软管单元从控制阀单元基本线性地延伸穿过第一开口至第二开口。