Coal mine underground mining blast hole plugging mechanism

The invention discloses a coal mine underground mining blast hole plugging mechanism. The sealing and fixing capability of the plugging mechanism can be improved by utilizing the impact force during blasting, so that the situation that the plugging mechanism is ejected during blasting so as to influ...

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Bibliographische Detailangaben
Hauptverfasser:	WANG CHONGXUN, CHEN QUANQIU, ZHU ZHENPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
Online-Zugang:	Volltext bestellen
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