1results about How to "Optimize site selection" patented technology

The utility model discloses a kind of detection trigger devices, the device includes fixed clamp, crossbeam and trigger, fixed clamp is fixed in the symmetry of inside and outside two sides of rail, fixed clamp top is provided with crossbeam, crossbeam is set along rail and the height of crossbeam is adjustable, trigger is installed on crossbeam, trigger is electrically connected detection equipment, that is, inside and outside two sides of rail each is provided with a trigger, and the trigger of rail outside is higher than the trigger of rail inside.The trigger is inclined towards inside of rail, and the angle of inclination is set to 18~22 °.The utility model installation is reliable, and stability is strong;The utility model not only can adapt to difficult installation environment, but also through non-contact detection mode, can respond quickly when train wheel set passes, realize accurate trigger to train passing, and precision is high;The utility model can also effectively compatible with various detection equipment.In short, the utility model device has the advantages of high reliability, strong adaptability, trigger accurate, simple structure, small and exquisite volume etc.