The structure and operating principle of self-release mechanism for single-line grabs ar described.The major factors inflkuencing release flexibility and reliability are found out through force-balance analysis during releasing. The design theory of self-release mechanism is explained.
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卜长根,刘国平.单绳冲抓锥自动脱挂装置的设计[J].钻探工程,1995,(2):32-34.Bu Changgen. Self-release Mechanism for Single-line Grab[J]. Drilling Engineering, 1995,(2):32-34.