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小恒山矿立井副并提升机型号为苏式M2×4×1.7,于1954年投产,至今43年,井深361m,钢丝绳为6△(30)-X37.从1986年开始出现开裂现象,1987年小恒山矿对其进行全面检查,发现裂纹91处,裂纹的部位多发于两m筒壳对口连接板焊缝处、工字钢腿部衬板与简壳焊缝处环向筋板与工字钢腰间焊接处工字钢腰部等见图1.1 卷筒开裂原因分析开裂部位多在焊缝处开焊,说明本身设计有误差,且结构不合理.
Xiao Hengshan Mine shaft and hoist model Soviet-style M2 × 4 × 1.7, put into operation in 1954, so far 43 years, well depth 361m, wire rope 6 △ (30) -X37. Cracking began to appear in 1986, 1987 Xiaoshan Heng mine to conduct a comprehensive inspection of cracks found at 91, the crack site in the two m-shell shell counterparts at the junction plate weld, the I-beam leg liner and the shell at the weld ring ribs and workers Figure lumbar welded at the waist of the beam, etc. See Figure 1.1 Drum cracking analysis Cracking the site at the weld weld, indicating that the design of their own error, and the structure is not reasonable.