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论述了目前立井提升防坠系统中防坠缓冲器存在的问题。在多年从事防蹲装置研究的基础上，提出了用调力准确方便、缓冲力均匀的片式摩擦缓冲器代替原防坠缓冲器的设想，并从理论上论证了其可行性。
The existing problems of anti-fall buffer in vertical shaft anti-fall system are discussed. Based on the research of anti-squatting device for many years, the idea of replacing the original anti-dropping buffer with a slice friction buffer with accurate and convenient adjusting force and uniform buffering force force is proposed and its feasibility is demonstrated theoretically.