连续采煤机运动参数对截割载荷影响的研究  

Simulation study on the effects of kinematical parameters of continuous miner upon loads of cutting mechanism

作　　者：李晓豁[1] 麻晓红[2] 于新伟[2] 曹艳丽[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 [2]黑龙江科技学院机械工程学院,黑龙江哈尔滨150027

出　　处：《广西大学学报（自然科学版）》2010年第6期967-971,共5页Journal of Guangxi University（Natural Science Edition）

基　　金：国家自然科学基金资助项目(59774033);中国煤炭工业协会科学技术研究指导性计划项目(MTKJ-08-311);辽宁省第二批科学技术计划项目(2008403010);辽宁省教育厅创新团队项目(2007T068)

摘　　要：为了研究连续采煤机的运动参数对截割机构载荷的影响,通过对截割机构的受力分析,建立了连续采煤机截割滚筒载荷的数学模型。利用计算机模拟的方法,对不同滚筒转数、不同悬臂摆动速度下连续采煤机截割机构的载荷进行了模拟,得到了连续采煤机截割过程截割机构的三向载荷大小及其变化规律。结果表明,在截割机构的三向载荷中,推进阻力最大,升降阻力的波动最明显,各向载荷随悬臂摆动速度的增大而增加,随滚筒转速的提高而降低,所得结果为合理确定连续采煤机的运动参数、进一步改善连续采煤机的截割性能和工作质量提供了依据。In order to study the effects of kinematical parameters of continuous miner upon loads of cutting mechanism,a mathematical model describing the loads on a cutting drum of the miner is proposed on the basis of force analysis in this paper.By computational simulating,the loads of the continuous miner are simulated in the case of various drum rotating speeds and boom swing speeds,obtaining the three-dimensional loads and law about their variations on the mechanism during the cutting process.The results show that the forward resistance（in drilling direction） plays the most important part of the loads,and the fluctuation of lifting resistance（also called vertical resistance） is the most significant.The multi-directional loads increase as the boom swing speed raises and decrease as the drum rotating speed decreases.These results can provide evidences for reasonably determining of kinematical parameters of the continuous miner,and further improving its cutting performance and working quality.

关 键 词：连续采煤机 截割机构 运动参数 载荷 模拟 

分 类 号：TD421.65[矿业工程—矿山机电] TB24[一般工业技术—工程设计测绘]