Monitoring device and monitoring system for monitoring failure state of plurality of fastening means

The present application relates to a monitoring device for monitoring the failure state of a plurality of fastening means used in a traffic infrastructure and arranged along a travel route of a vehicle, characterized in that the monitoring device comprises one or more signal acquisition units mounted on the vehicle, and the signal acquisition unit is used for acquiring indication signals which are output by the signal output unit of each fastening device and are used for indicating the failure state of the corresponding fastening device along the way along with the running of the vehicle, so as to determine the failure state of the corresponding fastening device. In addition, the utility model provides a monitoring system for monitoring the failure state of a plurality of fastening devices. According to the monitoring equipment for monitoring the failure states of the multiple fastening devices, the monitoring equipment can be used for monitoring the failure states of the multiple fastening devices. The monit