论文部分内容阅读
为防止掘进巷道掘进面附近金属支架受放炮冲击倾斜、倒棚，用联棚器把支架连接起来，确保生产安全。文章介绍了两种联棚器的设计原理及其现场使用效果。
In order to prevent excavation tunnel near the mining face metal support by the impact of oblique shooting, inverted shed, with scaffolding bracket to connect to ensure production safety. The article introduces the design principles of two kinds of joint shaders and their field use effects.