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1. 发明公开

EP0327647A1 BULLDOZER BLADE CONTROL MECHANISM 失效
标题翻译： STEUERMECHANISMUSFÜRDAS BLATT EINER PLANIERRAUPE。
公开(公告)号：EP0327647A1
公开(公告)日：1989-08-16
申请号：EP87906935.9
申请日：1987-10-22
申请人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO
发明人： IMON, Kazutoshi , FUKUSHIMA, Kensuke , SHIMIZU, Hiroshi
IPC分类号： E02F3/76
CPC分类号： E02F3/7618 , E02F3/7613 , E02F3/80 , E02F3/844 , E02F9/22
摘要： The bulldozer blade control mechanism to the present invention has a U-shaped frame (22) fixed to the lower intermediate portion of the rear surface of a blade (20) so that the frame (22) can be turned in all directions, left and right lifting and angling hydraulic cylinders (62, 64) respectively fixed pivotably to between the left and right lower portions of the rear surface of the blade and the left and right portions of a chassis via arms (36, 38), left and right pitching and tilting hydraulic cylinders (40,42) respectively fixed pivotably to between those portions of the arms (36, 38) which are in the vicinity of the rear ends thereof and the left and right upper portions of the rear surface of the blade, and left and right levers (56,58) respectively fixed pivotably to between the left and right parallel leg portions of the U-shaped frame (22) and either of left and right hydraulic cylinders (62, 64) and left and right arms (36, 38). The above-described arrangement enables the blade to make a total of eight movements, i.e. upward and downward movements, left and right angling movements, left and right tilting movements and forward and backward turning movements through the operations of the four hydraulic cylinders.
摘要翻译：推土机叶片控制机构具有固定到叶片（20）的后表面的下中间部分的U形框架（22），使得框架可以在所有方向上转动。左右提升和垂直液压缸（62,64）可枢转地固定在叶片后表面的左右下部分之间，以及通过臂（36,38）将底盘的左右部分固定。左右倾斜液压缸（40,42）可枢转地固定在臂的后端附近以及叶片后表面的左右上部之间。左右杠杆（56,58）可枢转地固定在U形框架的左右平行腿部之间，左右两侧液压缸以及左右臂（36,38）之间。

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