针对绞车滚筒轴漏油问题,分析了传统密封结构的缺点,设计了结构简单、无机械磨损、经久耐用的新型迷宫式机械密封结构.现场使用表明,密封性能可靠,能够有效解决绞车滚筒轴漏油问题,使钻井作业满足HSE要求.%Aimed at the problem that drum of drawwoks oil leakage, the new design of labyrinth seal structure has simple,no mechanical wear and structural durability. The application of drilling field showed that its sealing performance reliable, can satisfy the requirements of operation, resolve the problem of drum leakage effectively and make the drilling meet the HSE requirement.
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