| The development of oil-film bearing equipment in rolling mill faces the direction of heavy load,high speed and continuous operation,The operating parameters of the oil-film bearing system of rolling mill directly affect the quality of rolled steel products,It is very important to collect the operation parameters quickly,accurately and efficiently.Meanwhile,improving the level of automation and the use of intelligent monitoring technology will greatly improve the production efficiency,reduce the number of employees,reduce the misuse of equipment,but also reduce the labor costs and maintenance costs of enterprises.Therefore,improving automation and intelligent degree is an important topic。With the development of aging society,the cost of enterprise labor is getting higher and higher,reducing the number of workers in the workshop and increasing efficiency is a way to reduce the cost for enterprises.Through computer technology,remote control of equipment,detection and maintenance is the future development trend of enterprises,Intelligent control technology will be the development direction of rolling enterprises。Therefore,the research content of this paper is as follows:The overall structure of oil-film bearing is introduced in general,and the driving power of the spindle motor is calculated according to the friction torque produced by friction force.In order to make the optimal lubricating effect of lubricating oil,the optimum inlet flow of lubricating oil and the size of lubricating oil tank are calculated by theoretical calculation.The extraction principle diagram of hydraulic loading system,energy-saving system,introduces its working principle,to provide reference for the overall design and maintenance.At the same time,the structure of the signal acquisition system of oil film bearing is introduced,which gives a description of the signal acquisition system below.The oil-film bearing analog signals(including temperature,pressure,oil film thickness)calibration method of the sensor,analog signal acquisition method,installation position,method of measuring oil film bearing minimum film thickness,the design of PLC signal acquisition procedures;The operation parameters of oil-film bearing are detected by sensor,and its characteristics are analyzed..The PID control principle and implementation method of hydraulic loading system for oil-film bearing are described.The principle,process and method of fuzzy PID control for hydraulic loading system of oil-film bearing are simulated,and the simulation experiment of the fuzzy PID control system is carried out.The simulation results are in good agreement with the actual results.Through the experimental results,the characteristics of the two kinds of control effects are summarized and the advantages and disadvantages of them are compared.The functions,methods and steps of the main functions of the WinCC monitoring system for monitoring the running state of oil film bearing are introduced.By using remote control technology,the running parameters of the oil film bearing test platform can be monitored by Internet network. |
