JQHS-40×55 pneumatic winch JQHS series pneumatic winches (also known as XJFH series pneumatic winches due to the implementation of double-standard model writing method) are powered by piston air motors, and drive the reel through the reduction mechanism to realize the pneumatic support structure on the reel for heavy traction or lifting. Winch, the tension range of this series of pneumatic winches covers 10-150kN. It has the advantages of compact structure, convenient