煤炭安全标志准用证号:MEF030066 MEF050072 MEF080329 MEF110329 MEF120128
用于煤矿井下顶板锚索的锚固,使用单锚形式。
锚索锚具技术参数:
型号 | 静载极限载荷kN | 钢绞线直径 | 极限载荷下总应变 | 锚具效率系数 | 单件重量kg |
KM15-1860 | 256 | φ15.2 | εapu≥2.0% | ηa≥0.95 | 0.46 |
KM18-1860 | 365 | φ17.8 | εapu≥2.0% | ηa≥0.95 | 0.78 |
KM22-1770 | 565 | φ21.80、φ21.6 | εapu≥2.0% | ηa≥0.95 | 1.35 |
KM22-1860 | 582 | φ21.6、φ21.8 | εapu≥2.0% | ηa≥0.95 | 1.94 |
KM29-1670 | 889 | φ28.6 | εapu≥2.0% | ηa≥0.95 | 2.9 |