采煤机传动系统高速级齿轮啮合力分析
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摘要
为了研究不同牵引速度下采煤机传动系统高速级齿轮啮合力的变化,先用SolidWorks建立采煤机传动系统的模型,再导入到ADAMS中添加约束后设置接触力并设置相关参数,以电机输出转速为驱动施加到传动系统输入轴,将转速的测量值与理论值对比,验证模型是正确的。再根据不同的牵引速度给滚筒施加不同负载转矩,进行动力学仿真,利用IMPACT函数观察高速级齿轮啮合力。结果表明:牵引速度越大,滚筒负载越大,高速级齿轮所受啮合力越大,并且两者之间存在很强的线性关系。
In order to study the change of meshing force of high-speed gear in transmission system of shearer at different traction speed,a model of the shearer′ s transmission system with SolidWorks was set up,and then import it into ADAMS. After adding the constraint,the contact force was set and the relevant parameters were set. The motor output speed is driven to the input shaft of the transmission system. The resulting speed was compared with the theoretical value,verify the model is correct. Then according to the different traction speed to apply different load torque to the drum, dynamic simulation,using the IMPACT function in ADAMS to observe the high-speed gear meshing force. The results show that the greater the traction speed, the greater the roller load, the greater the meshing force of the high-speed gear, and there is a strong linear relationship between the traction speed and the high-speed gear meshing force.
In order to study the change of meshing force of high-speed gear in transmission system of shearer at different traction speed,a model of the shearer′ s transmission system with SolidWorks was set up,and then import it into ADAMS. After adding the constraint,the contact force was set and the relevant parameters were set. The motor output speed is driven to the input shaft of the transmission system. The resulting speed was compared with the theoretical value,verify the model is correct. Then according to the different traction speed to apply different load torque to the drum, dynamic simulation,using the IMPACT function in ADAMS to observe the high-speed gear meshing force. The results show that the greater the traction speed, the greater the roller load, the greater the meshing force of the high-speed gear, and there is a strong linear relationship between the traction speed and the high-speed gear meshing force.
引文
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[2]李移,孙维耕.采煤机摇臂用离合器的改进设计[J].煤矿机械,2017,38(6):111-112.
[3]毛君,刘晓宁,陈洪月.采煤机截割部传动系统刚柔耦合动力学仿真分析[J].机械强度,2017,39(5):1138-1 144.
[4]史红瑞.变载荷下采煤机摇臂传动系统动态特性分析[J].山西煤炭,2017,37(6):62-66.
[5]肖川,韩翠红,姚继权.计算机模拟技术在煤矿机械铸造中的应用[J].煤矿机械,2018,39(9):160-162.
[6]张刚.煤矿机械设备中故障诊断技术的应用分析[J].煤矿机械,2018,39(4):129-131.
[7]李小东.采煤机截割部行星架受力及结构分析[J].机械工程与自动化,2018(6):96-97+100.
[8]张运真,张瑜,陈洪月,等.不确定因素下采煤机截割部齿轮传动系统动力可靠性分析[J].煤矿机械,2018,39(9):67-71.
[9]赵峰.网络环境下基于ADAMS的采煤机截割部动力学分析系统[J].太原:太原理工大学,2017.
[10]XUEFENG L,SHIBO W,SHIRONG G,et al. A study on drum cutting properties with full-scale experiments and numerical simulations[J]. Measurement,2018(114):25-36.