| As the key equipment of turbine unit,high parameter gear transmission device is mainly used in energy,chemical industry,metallurgy,military industry,environmental protection and other important fields related to the national economy and people’s livelihood.Its transmission performance directly affects the safety,reliability and production benefits of the unit.Therefore,it is necessary to study the transmission system according to various working conditions.At the same time,in order to further improve the safety and reliability of the operation of the unit,constantly monitor the operation status of the unit,find out the potential failure of the equipment in advance,and avoid the occurrence of major accidents,it is imperative to develop the remote monitoring system of the unit.In this paper,aiming at the high parameter turbine gear transmission device with a power of 2000kW and a speed of 60000-3000r/min,a power shunt transmission scheme was designed,and the rotor dynamics analysis and calculation were carried out to complete the prototype design and manufacturing.Based on the developed high-parameter gear transmission device,the remote monitoring system of turbine unit based on"Internet" was designed,and the test bed was built for test verification.The main research contents are as follows:1.Based on the power shunt technology,the design of the transmission system with a power of 2000kW and a speed of 60000-3000r/min is carried out,and the force characteristics of the hermetic gear are utilized to realize the adaptive load sharing of the transmission system.2.Using DyRoBeS software to analyze the influence of relative gap ratio,fulcrum offset coefficient and preload coefficient on the performance of tilting pad bearings,which provides a basis for the dynamic analysis of rotor-bearing system.The dynamic model of double branch torsion transmission system with flexible element is established to realize the coupling analysis of bending and torsion.3.Real-time transformation of embedded Linux platform was completed by using CoDeSys software,and a scheme of EtherCAT master-slave data collection and processing based on embedded Linux platform was proposed.The wireless data transmission module is used to transmit the data remotely.Designed the cloud server system based on tencent cloud service and Apache+MySQL+PHP combination,wrote Socket program to realize the communication between the data transmission module and the cloud server,and completed the data storage in the cloud.4.Based on the mixed App development mode of APICloud cloud platform and using the apicloud-studio 2 development tool,the remote monitoring App of turbine unit is developed to realize user authentication login and management,turbine unit management and status monitoring,historical trend view,alarm information push and other functions.5.Build a test device,test and verify the high-parameter gearbox and remote monitoring system,and analyze the test data. |
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