Speed measuring device for railway vehicle runaway detection

The utility model discloses a speed measuring device for railway vehicle runaway detection, which belongs to a speed measuring device in the technical field of railway shunting operation safety, and adopts the technical scheme that a first wheel detection sensor and a second wheel detection sensor are respectively fixed on a fixed bracket clamp and are electrically connected with a signal adapter; the fixed bracket fixture is fixedly arranged on a steel rail of a railway line; the signal adapter is electrically connected with the first wheel detection sensor, the second wheel detection sensor and the intelligent acquisition and processing unit; the intelligent acquisition and processing unit is arranged on one side of the steel rail and is electrically connected with the signal adapter and the network communication unit; the network communication unit is also electrically connected with the upper computer; the utility model provides a speed measuring device for railway vehicle runaway detection, which can det