Wheel pair detecting system's basic platform

The utility model provides a wheel pair detecting system's basic platform, includes fixed platform, set up main part on fixed platform, fix at the outside sensor of main part both sides and/or set upthe inboard sensor at the main part middle part, the main part is located the rail below and still is equipped with the displacement sensor who is used for detecting main part and both sides rail relative position. Fixed platform is for reinforced concrete structure and in inserting the ground of rail below. The main part is equipped with and is used for preventing that debris from entering into the fender stone cistern in the break joint crack of main part and rail, and the main part is arranged in and is kept off in the stone cistern. The utility model discloses a setting is used for detecting main part and both sides rail relative position's laser displacement sensor, and realization real -time synchronization measures the relative position relation of main part and rail, has set up unable adjustment base moreo