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Early warning wrench / Railway wrench

Early warning wrench
Early warning wrench

Every year, many railway maintenance workers in the world lose their lives at work.
Wrench is a universal tool in railway maintenance.The cost of the wrench is low and the realizability is strong.
This design uses the principle that the speed of sound is the fastest in solids, so that the sensing device in the wrench collects the sound waves of the train on the rails and produces strong vibration and
flashing lights, thus playing a continuous warning role.
The continuous vibration will forcing them to leave the railway to achieve the effect of preventing accidents.


Xi'an Polytechnic University

Xi'an Polytechnic University
Xi'an, China

Tongxin Zhang,
Xi'an Polytechnic University

Chongyang Liu,
Xi'an Polytechnic University

Ruochen Fu,
Zhengzhou University of Light Industry

Nan Nan,
Xi'an Polytechnic University