Experimental study on temperature characteristics of indentation rolling resistance of belt conveyor
ZHOU Lidong,HAN Liangliang,MENG Wenjun,WANG Lei,CAO Xueqin,CHEN Xianghui
为研究温度对带式输送机压陷滚动阻力的影响,采用在实验室进行不同温度下压陷滚动阻力试验的方法,并对采集的数据进行数据处理和曲线拟合,得到了不同温度下带式输送机压陷滚动阻力和压陷滚动阻力系数的变化曲线。试验结果表明:在载荷、带速恒定的情况下,环境温度小于0 ℃时,压陷滚动阻力和压陷滚动阻力系数随温度的升高而增大;环境温度为0~25 ℃时,压陷滚动阻力和压陷滚动阻力系数随温度的升高而减小;环境温度大于25 ℃时,压陷滚动阻力和压陷滚动阻力系数随温度的升高而增大。其次在温度、载荷恒定时,压陷滚动阻力随带速的增加而增大;在温度与带速恒定时,压陷滚动阻力随载荷的增大而增大。
In order to study the influence of temperature on the indentation rolling resistance of the belt conveyor, the method of rolling resistance test at different temperatures in the laboratory was carried out, and the data collected were processed and fitted with curves,and the curves of indentation rolling resistance and indentation rolling resistance coefficient of the belt conveyor at different temperatures were obtained.The test results show that under the condition of constant load and belt speed, when the ambient temperature is less than 0 ℃, the indentation rolling resistance and indentation rolling resistance coefficient increases with the rise of temperature; when the ambient temperature is within the range of 0 ℃ to 25 ℃, the indentation rolling resistance and indentation rolling resistance coefficient decreases with the increase of temperature; When the ambient temperature is greater than 25 ℃, the indentation rolling resistance and indentation rolling resistance coefficient increases with the rise of temperature. Secondly, when the temperature and load are constant, the indentation rolling resistance increases with the increase of the belt speed; when the temperature and the belt speed are constant, the indentation rolling resistance increases with the increase of load.
belt conveyor;temperature characteristicistics; indentation rolling resistance; test system
主办单位:煤炭科学研究总院有限公司 中国煤炭学会学术期刊工作委员会