New technology and new construction, such as hydraulic coupling, dismountable scraper chain, pneumatic discharge gate valve and screw tensioning device with multi-spring buffer are used.
它采用液力偶合器、可拆式刮板链条、气动卸料闸门以及多弹簧缓冲的螺旋张紧装置等新技术、新结构。
Plate conveyor head round the main device, the chain plate scale devices, the end of round tensioning device, rack and drive components.
板式输送机主要由头轮装置、鳞板链条装置、尾轮张紧装置、机架和驱动装置组成（略）。
The actuating device and the tensioning device are connected with the drag chain.
驱动装置、张紧装置分别与牵引链条相接。
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