采煤机截齿与牵引速度和滚筒转速之间关系  

Relationship Between Coal Winning Machine Cutting Teeth and Traction Speed and Drum Rotational Speed

作　　者：李文华[1] 刘娇[1] 柴博[1] 

机构地区：[1]辽宁工程技术大学机械工程学院,辽宁阜新123000

出　　处：《测控技术》2017年第1期133-136,共4页Measurement & Control Technology

摘　　要：对采煤机单个截齿进行受力分析,用软件Matlab进行编程,模拟井下的一种复杂的工作状况,利用程序文本,生成滚筒瞬时负载曲线,再模拟不同滚筒转速和牵引速度下截齿的受力情况,并将其施加给采煤机滚筒刚柔耦合系统,分析了各情况下截齿的应力情况。研究表明:该采煤机的牵引速度应控制在2~3 m/min之间。考虑到采煤机截割效率、煤块煤率和齿耗,滚筒转速应选择较小的91.1 r/min。Analyzing the force of coal winning machine single cutter tooth, a complex downhole working condi- tions is simulated by using the software of Matlab. Using the program text to generate the instantaneous load curve of drum, and then the force of their teeth under the different drum speed and traction speed is simulated, which is applied to shearer drum of the coupled system, the stress of each teeth is analyzed. Research shows that the shearer traction speed should be controlled between 2 -3 m/min. Considering the cutting efficiency of coal winning machine, coal lump ratio and tooth loss, drum rotational speed should choose a smaller 91.1 r/min.

关 键 词：受力分析 瞬时负载 牵引速度 滚筒转速 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]