reel

音标发音

(HOLDER) a round, wheel-shaped object on which sewing thread, fishing wire, film, etc. can be rolled, or the amount of thread, etc. stored on one of these
(DANCE) a fast Scottish or Irish dance, or the music for this
to walk, moving from side to side, looking like you are going to fall

A reel is a cylindrical object around which you wrap something such as movie film, magnetic tape, or fishing line.
to wind (cotton, thread, etc) onto a reel
If someone reels, they move about in an unsteady way as if they are going to fall.
If you are reeling from a shock, you are feeling extremely surprised or upset because of it.
a staggering or swaying motion or sensation
If you say that your brain or your mind is reeling, you mean that you are very confused because you have too many things to think about.
any of various lively Scottish dances, such as the eightsome reel and foursome reel for a fixed number of couples who combine in square and circular formations

拨禾轮
The rolling of reel along eccentricity rail results irregular motion when mechanism work. The force of inertia will increase with the rotational speed of reel.
全喂入联合收割机的拨禾轮是一偏心曲柄滑道机构,工作时支承滚轮沿偏心滑道做不规则运动,当拨禾轮的转速较高时必然产生惯性力,机构惯性力引起拨禾轮振动,引起零部件损坏和联合收割机的割前损失。
螺旋状刈草刀