Analysis On The Cause Of Shearer’s Operation Near Miss And Research On The Combination Intervence

With the improvement of the coal mine mechanization level,coal mine production efficiency is also accompanied by the occurrence of mechanical operation near miss.As an important equipment for coal mining,the occurrence of coal mining machine does not only affect the safety of equipment,but also affects the physiological status of the first-line operation staff,and it is often a precursor event that causes the shearer accident.Preventing the Shearer’s operation near miss is an important measure to control coal mine accidents and realize the safe production of coal mines.First of all,it is analyzing the basic theory of near miss and the management of near miss through the literature review.It defines the shearer’s operiton near miss;it analyzes the relationship between the near miss and the source of risk and accidents;and distinguishes the differences between shearer’s operiton near miss and shearer’s operiton accidents;According to the consequences of shearer’s operiton near miss,and classify them;based on the theory of accident cause,it constructed the conceptual model of the shearer’s operiton near miss.Secondly,it based on the theoretical analysis and practice investigation,and extracted the influencing factors of the shearer’s operiton near miss,and compiled the questionnaire of shearer’s operiton near miss,the questionnaire was analyzed by SPSS 19.0 software.The results showed that the overall questionnaire was effective,and the influencing factors of shearer’s operiton near miss were 19 factors such as human error,shearer "sickness" operation,working space and safety management level.Then,it analyzed the relationship between the influencing factors,and constructed the the causal relationship model of the shearer’s operiton near miss.Based on this,it constructed the Interpretative Structure Modeling of the shearer’s operiton near miss,and analyzed the Interpretative Structure Modeling,it established the three-level hierarchical structure model of the causal factors of the shearer’s operiton near miss.The results show that the management failure is the deep reason for the occurrence of shearer’s operiton near miss.The person,the machine and the environment are the causes of the surface and middle of the shearer’s operiton near miss.Finally,using the System Dynamics Principle to establish the Combination Intervention of the three cause layer of the shearer’s operiton near miss.The model is simulated by Venism software,and the coal mining machine is designed on the basis of validating the intervention.The implementation process of the combination of intervention measures,and the intervention of three cause layers.