求翻译：主要由固定支架、浮动支架、气缸、滚子回转装置、气动元件等组成，当链条需要张紧时，压缩气体进入气缸推动气缸活塞带动浮动支架运动，从而使链条得到张紧。所以，只要主气路有压力，链条就处于张紧状态。检修链条或其它部件时只要将压缩空气反向送入气缸的后腔，将活塞杆顶出，链条就会松开。是什么意思？

Mainly by the mounting bracket, floating bracket, cylinder roller rotary devices, pneumatic components, etc., when the chain tension when the compressed gas into the cylinder to push the piston driven by a floating bracket movement, allowing the chain to get tension. So, as long as the main gas line

The bracket mounting bracket, float, cylinders, fittings, pneumatic roller Swing components, such as when the chain need tightening, compressed gas cylinder piston to cylinder push floating bracket movement led to the chains are tight. Therefore, as long as the air pressure, the chain is tensioned.

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Mainly composed of fixation, floating frame, cylinder, roller slewing device, pneumatic components and other components, when the chain when you need tension, compressed gas cylinder piston-driven floating bracket into the cylinder to promote movement, thus the chain tensioning. Therefore, as long a

正在翻译，请等待...