Large-scale road maintenance machinery running gear state monitoring system and method

The embodiment of the invention provides a large-scale road maintenance machine walking part state monitoring system and method, and relates to the technical field of large-scale road maintenance machine fault maintenance. The monitoring system comprises a data acquisition device, a state monitoring and analyzing device, a pre-processing device and a display device, the data acquisition device is used for acquiring state data of key components of the running gear of the large-scale road maintenance machine and acquiring video data of the key components; the state monitoring and analyzing device is used for analyzing the state data of the key components of the running gear of the large-scale road maintenance machinery and carrying out fault diagnosis according to the state data; the pre-processing device is used for transmitting the state data acquired by the data acquisition device to the state monitoring and analyzing device; and the display device outputs an alarm signal, fault severity and a monitoring pic