Prediction of Safe Working Hours of Pumping Station Drivers in Coal Mine
Journal of Engineering Science and Technology Review(2022)
摘要
The unsafe behavior of operators in coal mines is one of the key risk factors leading to accidents.It is very dangerous to work underground for a long time, which is easy to increase the fatigue and physiological and psychological burden of operators, resulting in safety accidents.Therefore, it is important to pay attention to how to prevent operator fatigue and unsafe behaviour, thereby preventing accidents in coal mines.It is an effective means to reduce the physical and mental injury and accident rate caused by an unfavourable working environment to pumping station drivers through a reasonable arrangement of working time.To predict the safe working hours of pump station drivers, the field measured physiological index data of a mine face pumping station driver in Henan Province, China was taken as an example, the sensitive physiological indexes such as systolic pressure, diastolic pressure, and heart rate of the underground pumping station driver were calculated by using the grey predictive model GM (1,1).The warning range of each index was determined.Results show that according to the principle of minimum value triggered by a threshold value of physiological indexes, the reasonable safe working hours of pumping station drivers in a fully mechanized mining face is 5.7h.The conclusions provide a reference for reasonably arranging the working time of the pumping station driver and have certain guiding significance for reducing human errors and safe production of coal mining enterprises.
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关键词
pumping station drivers,safe working hours,coal,prediction
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