摘要
简要介绍了某滚筒采煤机牵引部壳体铸造后电动机筒部位因筒体偏置及筒体直径过大导致机加工后仍有大面积黑皮,影响电动机在矿井下安装和使用的问题。提出了沿筒体圆周方向均布焊接板条、筒体圆周面整体堆焊焊材、筒体镗孔后镶套三种返修方案。根据焊接工艺控制及筒体结构等的可行性分析,最终确定了筒体镗孔后镶套的返修方案,顺利地解决了铸造后电动机筒的缺陷,并节约了返修成本。
Briefly introduces a large volume black skin that is led by biasing of cylinder and too large diameter after shear＇ s haulage unit casting, which affect the electric motor installing and use at underground coal mine. Three repair schemes are proposed including welding batten plates along the circumference of electric motor cylinder, overlaying batten plates along the circumference and bush fitting at the back of cylinder＇ s internal boring. According the feasibility analysis of welding technique control and cylinder structure, the third repair scheme that bush fitting at the back of cylinder＇ s internal boring is settled down, which successfully solves the deficiency of cast electric motor cylinder and saves repair cost.
出处
《煤矿机电》
2012年第1期99-101,共3页
Colliery Mechanical & Electrical Technology
关键词
牵引部
电机筒
返修方案
haulage unit
electric motor cylinder
repair scheme
