Automatic detection device and identification method for integrality of guardrail of high-speed railway line

The invention discloses an automatic detection device for integrality of a guardrail of a high-speed railway line, which comprises a computer for detecting the integrality of the guardrail, and is internally provided with an image acquisition card, a data acquisition card, identification software and a detection result management computer, wherein the image acquisition card is used for acquiring and storing output images of digital cameras on the two sides of a train; the data acquisition card is used for acquiring output signals of speed sensors arranged on wheels of the train; the identification software is used for carrying out integrality processing judgment on the images and processing and positioning the signals; and the detection result management computer is connected with the computer for detecting the integrality of the guardrail through network, is internally provided with a detection result management information system, and comprises a guardrail defect information data base for storing guardrail defect information transmitted by the computer for detecting the integrality of the guardrail through the network. The invention also provides an identification method for identifying and judging the integrality of the guardrail of the high-speed railway line, including the integrality of stand columns in the guardrail. The automatic detection device and the identificationmethod for the integrality of the guardrail of high-speed railway line has large detection range, stronger applicability, reliable identification method, fast detection speed and a simple structure.