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    • 3. 发明授权
    • Positioning apparatus for boom structures
    • 动臂结构定位装置
    • US4394968A
    • 1983-07-26
    • US249066
    • 1981-03-30
    • Loren E. Tyler
    • Loren E. Tyler
    • A01M7/00A01C23/04
    • A01M7/0075
    • The present invention is directed to a mechanism for angularly centering a boom structure as it is being elevated from a lower operating position to an elevated, transit position. A boom structure is pivotally mounted on a pin member. A hydraulic cylinder moves the pin member and the boom structure upwardly or downwardly. As the boom structure is moved from a lower, operating position to an upper, transit position, a pair of chains, one attached between the boom structure and the vehicle holding it on each side of a vertical plane passing through the pin member, self-centers the boom structure.
    • 本发明涉及一种用于当悬臂结构从较低操作位置升高到升高的运输位置时将动臂结构成角度定心的机构。 吊杆结构枢转地安装在销构件上。 液压缸使销构件和悬臂结构向上或向下移动。 当悬臂结构从下部操作位置移动到上部运输位置时,一对链条,其连接在悬臂结构和车辆之间,将其保持在穿过销构件的垂直平面的每一侧上, 以繁荣结构为中心。
    • 5. 发明授权
    • Positioning apparatus for boom structures
    • 动臂结构定位装置
    • US4344572A
    • 1982-08-17
    • US160677
    • 1980-06-18
    • Loren E. Tyler
    • Loren E. Tyler
    • A01M7/00A01C3/04
    • A01M7/0075
    • A positioning apparatus (18) for boom structures (14, 16) is disclosed. The positioning apparatus (18) is comprised of a fixed frame assembly (24) mounted to vehicle (12), a slideable frame assembly (22) for vertical slideable movement with respect to fixed frame assembly (24), and a pivotable frame assembly (20) for rotatable movement with respect to slideable frame assembly (22). Boom structures (14, 16) are mounted on opposite sides of pivotable frame assembly (20). The pivotal axis of the pivotable frame assembly (20) is above the center of gravity of the pivotable frame assembly (20) and attached boom structures (14, 16) to keep the boom structures (14, 16) pendulously stable when implement (10) strikes a bump in a field. Springs (112, 118) and shock absorbers (120) recenter pivotal frame assembly (20) relative to implement (10). Plates (36, 70) transmit between the vehicle (12) and the boom structures (14, 16) force components parallel to the pivotal axis so as to protect pin (76) from extraneous stress.
    • 公开了一种用于悬臂结构(14,16)的定位装置(18)。 定位装置(18)包括安装在车辆(12)上的固定框架组件(24),用于相对于固定框架组件(24)进行垂直滑动运动的可滑动框架组件(22)和可枢转框架组件 20),用于相对于可滑动框架组件(22)的可旋转运动。 臂架结构(14,16)安装在可枢转框架组件(20)的相对侧上。 可转动框架组件(20)的枢转轴线在可枢转框架组件(20)的重心的上方和附接的起重臂结构(14,16)之间,以在实施时(10,16)保持悬臂结构(14,16)的下摆不稳定 )在一个领域打了一个凹凸。 弹簧(112,118)和减震器(120)相对于工具(10)重新设置枢转框架组件(20)。 在车辆(12)和悬臂结构(14,16)之间传送的板(36,70)迫使部件平行于枢转轴线,以保护销(76)免受外力的影响。