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发明公开
CN105806942A 一种叶片根部超声自动检查装置 有权

一种叶片根部超声自动检查装置
摘要：
本发明属于核电站汽轮机叶片及其它汽轮叶片的超声无损检测技术领域，具体涉及一种叶片根部超声自动检查装置。柔性导轨两端分别用固定叉、锁紧叉固定在汽轮机叶片两侧端；在汽轮机叶片与柔性导轨之间均布有钢丝绳导向块，在钢丝绳导向块中间开有钢丝绳传动导向孔，钢丝绳从钢丝绳传动导向孔穿过形成闭环，钢丝绳能沿着柔性导轨运动；扫查臂与钢丝绳连接，且可以沿柔性导轨滑动；电机驱动件安装在柔性导轨上，靠近锁紧叉外侧；定位架固定在柔性导轨上，位于扫查臂与锁紧叉之间，电机驱动件驱动钢丝绳运动，钢丝绳带动扫查臂在柔性导轨上移动。本发明能适应检查可用空间小、被检对象外形结构复杂的情况。
摘要（英）：

The invention belongs to the technical field of nuclear power station steam turbine blade and other steam turbine blade ultrasonic nondestructive test and relates to a blade root ultrasonic automatic inspection device. Two ends of a flexible guide rail are respectively fixed to two side ends of a steam turbine blade through a fixing fork and a locking fork, wire rope guide blocks are uniformly arranged between the steam turbine blade and the flexible guide rail, the middle of the wire rope guide block is provided with a steel wire rope transmission guiding aperture, a steel wire rope goes through the steel wire rope transmission guiding aperture and form a closed ring, the steel wire rope can move along the flexible guide rail, a scanning arm is connected to the steel wire rope and can slide along the flexible guide rail, a motor driver is installed on the flexible guide rail and is close to the outer side of the locking fork, a positioning rack is fixed to the flexible guide rail and is located between the scanning arm and the locking fork, the motor driver drives the steel wire rope to move and the steel wire rope drives the scanning arm to move on the flexible guide rail. The device is suitable for a small use space and complex detected object shape and structure.

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