A metal framework is embedded in the composite wear-resistant plate, and the metal framework is provided with a connecting hole or a connectionbolt.
在复合耐磨板内预埋金属骨架，金属骨架上设有连接孔或者连接螺栓。
2
Analyzed the reason of coal_machine motor's connectionbolt not hard up and the frame's limitation, working_out a reasonable technique, ensure the service quality of equipment.
分析采煤机电机接线柱焊接松动原因及结构缺陷，制订出合理的修复方法，保障设备维修质量。
3
Fix the connection plate of foundation bolt with nut.