Coal face water control beam

The utility model discloses a coal face water control beam comprising sticks, a bamboo sheath and steel wires. The sticks which are bent and which are uniform in length are gathered in the same direction; the sticks are wrapped with the bamboo sheath in a cylindrical shape; the outer wall of the bam...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG HE, CAI HANYU, JI PING'AN, ZHANG LEI, GUO LIGANG, MU LIBIN, SHI YONGFENG, LI YANFEI, LU ZHENGFA, RONG HONGYAN, LIU MINGZHAO, FENG SHENGLI, DU WENCHUN, MENG WUFENG, MIAO WEI, ZHOU KAI, LIU HAIBIN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model discloses a coal face water control beam comprising sticks, a bamboo sheath and steel wires. The sticks which are bent and which are uniform in length are gathered in the same direction; the sticks are wrapped with the bamboo sheath in a cylindrical shape; the outer wall of the bamboo sheath is bundled at certain intervals with the steel wires, so that the bamboo sheath and the sticks are made into a cylindrical whole. The problem that arranging special attendants for each shift to dig a water trench behind a support as a drain channel is required is solved, and safety of rapid progress of a coal face is guaranteed; the coal face water control beam has the advantages such as ease of acquiring materials, convenience in use, safety and reliability.