All kinds of hoisting overwind cushioning device and support cage device at home and abroad are compared , furthermore, multi-plate friction clutch is technical researched.

• 对国内外各种型号的提升过卷缓冲装置以及托罐装置的缓冲器进行了对比分析，并对多碟(凹盘)摩擦缓冲制动器作技术分析。