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YYGJ145型液压凿岩机是天水风动工具厂研制的新产品。它配用φ38或φ32毫米的钎杆,主要用于巷道掘进、隧道及大断面石方工程中钻凿直径φ45～100毫米的炮孔。
YYGJ145 type hydraulic rock drill is Tianshui pneumatic tools factory developed new products. It is equipped with φ38 or φ32 mm drill rod, mainly used for tunneling, tunnels and large sections of stone works in the drilling diameter φ45 ~ 100 mm hole.