Objective X-ray tube target supporting device is an important component of the radiography X-ray equipment,with the problems of low automatization and low displacement precision. Methods We design an X-ray tube target supporting device which can freely switch between manual and automatic according to the demand. The synchronous belt drive and open synchronous belt feedback mechanism are applied in the moving mechanism. And the composition and function of this device are discussed. Results This device solved the problem of the motor-driven block in the long rail and the displacement feedback. Conclusions This device freely switches between manual and automatic, and meets the positioning requirements of X-ray tube head in photography.%目的 X线机管头支持装置是摄影X线机中的重要部件,目前存在自动化程度及移动精度低的问题.方法 设计了一种根据需求可在手动和电动之间自由切换的X线管头支持装置,在移动机构中采用同步带传动机构和开口同步带反馈机构,并对装置的组成和功能进行了讨论.结果 解决了滑车在长导轨上的电动和滑车在导轨上位置的反馈.结论本装置可实现电动和手动之间的切换,并满足X线机在摄影时所需的X线管头位置要求.
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