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普通测力计对支柱的支护质量进行监测时存在着降压卸载现象,据统计支柱泄液降压幅度为0.5～2MPa,这不利于回采工作面的顶板管理。单体支柱增压测枪是针对普通支柱测力计泄
Ordinary dynamometer support the quality of the pillar when there is decompression and unloading phenomenon, according to statistics propping relief pressure drop range of 0.5 ~ 2MPa, which is not conducive to mining face roof management. Monoplace booster gun is aimed at the general prop force gauge vent