Railway Track Automatic Measuring Device

When railway maintenance workers use the traditional gauge ruler,they need to bend over frequently to measure,which has the problems of low work efficiency and high labor intensity.To this end,this paper has developed a low-cost,high-efficiency,and easy-to-operate railway track automatic measuring device,which can automatically measure the ultra-high value and gauge value of the standard railway track(1 435mm).The main research contents are as follows:(1)According to the technical indicators in the gauge rules and the actual requirements of rail measurement work,the overall design plan of the railway track automatic measurement device is determined.Railway track automatic measuring device is composed of a mechanical part and a measuring part.(2)According to the actual requirements and overall plan of rail measurement work,the mechanical part structure of the railway track automatic measurement device was designed using SOLIDWORKS,and the prototype was trial-produced.The mechanical part of the railway track automatic measuring device includes important components such as the supporting and positioning mechanism,the elastic mechanism and the measuring mechanism.The measurement part includes: sensor,AD capture card,STM32F103C8T6 chip,serial port display screen,etc.(3)Developed the hardware and software of the measurement part.The hardware part completed the design of the step-down voltage regulator circuit,the clock circuit,and the reset circuit debugging download circuit.The electronic components involved were selected,and the circuit board was made based on the STM32F103C8T6 chip.In the software part,use KEIL5 to program and debug AD acquisition and host computer serial communication,and use the serial display to realize the numerical display of ultra-high value and gauge value,oscillometric display,data storage and other functions.(4)A test experiment was carried out on the railway track,and the data was compared with the traditional gauge ruler.The experiment shows that the developed railway track automatic measuring device meets the expected performance requirements.