Research On The Scheme Of Instrumented Roller-Rig

With the development of economy and society, Rail transport plays an increasingly important role in transport, To ensure the safety of railway operations, Before the formal operation of rolling stock, It is important to carry out vehicle testing. By roller rig contact with wheelset simulate the relationship between wheelset and railway, Which can reduce the cost of test motorcycle. Ordinary wheel has failed to meet test requirements, So we need to design the shape of the roller rig in order to have sufficient rigidity and a suitable degree of elastic deformation. Establish roller rig model by finite element analysis software, Analyze wheel strain distribution and find the right distribution point bridge by computer. Measuring the load of roller rig is by detecting the elastic deformation of roller rig. Roller is a special wheelset, So we can use the continuous measurement of the Instrumented wheelset.This article analyzes the state of roller rig under the regular conditions, studies the method of the Wheatstone bridge using the Harmonic Analysis Method, finds that the arrangement method of 0°,36°,60°,96° is a ideal arrangement method Secondly design the spoke board shape of roller rig, establish roller rig model by finite element analysis software and analyzes the tower spoke board of roller rig, "S" spoke board of roller rig and arc spoke board of roller rig. Find that the arc spoke board of roller rig has the ideal circumferential strain distribution. Then carry out the theoretical verification of the scheme. Finally, design a roller dynamometer data acquisition system in order to complete the acquisition of the actual data, it includes It includes the introduction of hardware and software.