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    • 4. 发明授权
    • Crane device installed in cargo transporting vehicle
    • 起重机装置安装在货物运输车辆中
    • US4639182A
    • 1987-01-27
    • US637650
    • 1984-08-03
    • Mitsuharu InabaTakashi SekiguchiYoshio YoneyamaTadashi Suzuki
    • Mitsuharu InabaTakashi SekiguchiYoshio YoneyamaTadashi Suzuki
    • B60P1/54
    • B60P1/5447
    • A crane device is installed in a freight car with a roof and comprises a revolvable frame suspended by the roof so as to be revolvable about a vertical axis, a derrick boom assembly having a telescopically extendable boom and luffably supported by the revolvable frame, a winch mounted on the revolvable frame and operating to lower and raise a cargo hook via a length of wire rope, a control system using motive power to operate the crane device, and a safety system having a tactile sensor on the front end of the boom and operating to stop movements of the boom when the sensor contacts an object such as a part of a freight car or a piece of cargo. The winch is provided with a safety device for preventing excessive unwinding of the wire rope.
    • 起重机装置安装在具有屋顶的货车中,并且包括由屋顶悬挂以可绕垂直轴线旋转的可旋转框架,具有可伸缩臂架并由可旋转框架可变地支撑的起重臂组件,绞盘 安装在可旋转框架上,并通过一定数量的钢丝绳降低和抬起货钩,使用动力操作起重机装置的控制系统,以及在起重臂前端具有触觉传感器的操作的安全系统 当传感器接触诸如货车或货物的一部分的物体时停止动臂的运动。 该绞车设有一个安全装置,用于防止钢丝绳过度展开。