The middle supporting structure was utilized in a special fast helical transporter,and during operating,inertial centrifugal force caused by rotary helix leads to antipower of middle supporting.

• 在一种特殊的快速螺旋输送机中采用了中间支承结构。在工作过程中，螺旋旋转产生的惯性离心力引起中间支承的动反力。