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    • 1. 发明授权
    • Inspection car for bridge construction of a high level road
    • 高层公路桥梁施工检查车
    • US4690247A
    • 1987-09-01
    • US710235
    • 1985-03-11
    • Katunori Yoshida
    • Katunori Yoshida
    • B66F11/04B66F17/00E01D19/10
    • E01D19/106B66F11/046B66F17/006
    • The inspection car is intended to inspect the lower side of the bridge construction of a high level road from above the high level road as well as from the ground and it comprises a swingable and extensible boom vertically swingably pivoted on a rotatable pedestal rotatably mounted on the chassis of the car about the vertical rotational axis of the pedestal, a reciprocal boom pivotally mounted on the tip of the swingable and extensible boom through a saddle, and an extensible inspection passageway pivotally connected to one end of the reciprocal boom, the passageway being swingable between a position parallel to the reciprocal boom and a position at right angle thereto while it is allowed to be rotated about the longitudinal axis of the reciprocal boom, a plurality of hydraulic cylinder means for the movement of the respective components listed above, and a control device for detecting the amount of movement of each component and controlling the movement thereof on the basis of the detected amount of movement of each component for the required operation of the inspection car. The control device has a function to judge the permission/inhibition of the movements of the respective components under predetermined conditions of the corelationship of the movements of the respective components.
    • 检查车用于从高层道路以及从地面检查高层道路的桥梁结构的下侧,并且包括可摆动地伸展的吊臂,其可摆动地枢转在可旋转地安装在所述基座上的可旋转基座上 轿厢的底盘围绕基座的垂直旋转轴线,通过鞍座枢转地安装在可摆动和可延伸的吊臂的尖端上的可往复臂,以及可枢转地连接到往复式吊臂的一端的可伸缩检查通道,该通道可摆动 在允许相对于往复式动臂的纵向轴线旋转的同时,平行于往复式起重臂的位置和与其成直角的位置,用于使上述各个部件移动的多个液压缸装置和控制 用于检测每个部件的移动量并根据所述装置控制其运动的装置 检查车辆所需操作的每个部件的运动量。 控制装置具有在相应部件的运动的关系的预定条件下判断各个部件的移动的允许/禁止的功能。