锥齿在各种破岩开挖场景具有广泛的应用,如割煤机、隧道掘进机、反井钻机等。锥齿上单个齿形参数以及整个滚刀上的排列间隔以及安装角度的优化设计,对于提高开采效率,减少能源损耗具有重要意义。本文采用ABAQUS数值软件,对钾盐矿开挖过...锥齿在各种破岩开挖场景具有广泛的应用,如割煤机、隧道掘进机、反井钻机等。锥齿上单个齿形参数以及整个滚刀上的排列间隔以及安装角度的优化设计,对于提高开采效率,减少能源损耗具有重要意义。本文采用ABAQUS数值软件,对钾盐矿开挖过程进行单齿模拟,通过调整贯入度、锥齿顶角、安装倾角、双齿间隔,得出最优参数。数值模拟研究表明,贯入度4 mm,锥齿顶角90˚,安装倾角15˚是最优齿形参数,双齿间隔在16 mm为最优安装间隔。Bevel teeth have a wide range of applications in various rock breaking excavation scenarios, such as coal cutters, tunnel boring machines, raise boring rigs, etc. The optimal design of the individual tooth profile parameters on the bevel tooth, the arrangement spacing on the entire disc cutter and the installation angle is of great significance for improving mining efficiency and reducing energy loss. In this paper, the ABAQUS numerical software is used to simulate the single-tooth excavation process of potash ore, and the optimal parameters are obtained by adjusting the top angle of the bevel teeth, the installation inclination angle and the spacing of the double teeth. Numerical simulation results show that the penetration degree is 4 mm, the top angle of the bevel tooth is 90˚ and the installation inclination angle is 15˚ is the optimal tooth shape parameter, and the double tooth spacing is 16 mm for the optimal installation interval.展开更多
文摘锥齿在各种破岩开挖场景具有广泛的应用,如割煤机、隧道掘进机、反井钻机等。锥齿上单个齿形参数以及整个滚刀上的排列间隔以及安装角度的优化设计,对于提高开采效率,减少能源损耗具有重要意义。本文采用ABAQUS数值软件,对钾盐矿开挖过程进行单齿模拟,通过调整贯入度、锥齿顶角、安装倾角、双齿间隔,得出最优参数。数值模拟研究表明,贯入度4 mm,锥齿顶角90˚,安装倾角15˚是最优齿形参数,双齿间隔在16 mm为最优安装间隔。Bevel teeth have a wide range of applications in various rock breaking excavation scenarios, such as coal cutters, tunnel boring machines, raise boring rigs, etc. The optimal design of the individual tooth profile parameters on the bevel tooth, the arrangement spacing on the entire disc cutter and the installation angle is of great significance for improving mining efficiency and reducing energy loss. In this paper, the ABAQUS numerical software is used to simulate the single-tooth excavation process of potash ore, and the optimal parameters are obtained by adjusting the top angle of the bevel teeth, the installation inclination angle and the spacing of the double teeth. Numerical simulation results show that the penetration degree is 4 mm, the top angle of the bevel tooth is 90˚ and the installation inclination angle is 15˚ is the optimal tooth shape parameter, and the double tooth spacing is 16 mm for the optimal installation interval.
