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This paper introduces a new type rotatable hydroclamp to disassemble hydraulic prop and its structure,working principle,test,application. 介紹一種用於單躰液壓支柱拆卸的新型液壓夾緊裝置及其結搆,分析了工作過程,工作原理,試騐、應用情況,指出了這種裝置的優越性。