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COMPLEX EXCAVATING COAL OF THIN AND MEDIUM THICKNESSES IN STEEPLY DIPPING AND INCLINED SEAMS

机译:陡倾和倾斜煤层中薄壁和中厚壁的复杂开挖煤

摘要

FIELD: mining industry. SUBSTANCE: complex includes drive of flexible working element with cutting tool and guarding fixture manufactured in the form of flexible through to which convex part rigid beam is fixed on side of face along entire height. Ends of beam are joined with the aid of couplings to flexible working element. EFFECT: improved excavation efficiency. 2 dwg
机译:领域:采矿业。实质:复合体包括用切割工具驱动的柔性工作元件和以柔性形式制造的防护装置,通过该凸形部分,刚性梁沿整个高度固定在工作面的侧面。横梁的端部借助联接器连接到柔性工作元件上。效果:提高了开挖效率。 2 dwg

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