摘要
液压支架是煤矿采掘工作面的重要支护设备,其结构件复杂,制造要求高,焊接量大,但是由于焊接时容易产生焊接裂纹,影响液压支架的使用寿命。
Hydraulic support is the coal mining work important supporting equipment,its structure is complex,the higher manufacturing requirement,the quantity of welding,but because the welding is easy to produce welding crack,affect the service life of hydraulic support.
出处
《山东煤炭科技》
2014年第4期137-138,143,共3页
Shandong Coal Science and Technology
关键词
液压支架
焊接
焊接裂纹
使用寿命
hydraulic support welding welding crack service life
