Well lid repair system

The utility model provides a well lid repair system, include: set up on outer wall of cover body, just can launch the signal to the direction of keeping away from the lid to at lid top surface edge bybeing higher than the road surface or being less than the road surface when being transformed into the critical localisation the at least three signal transceiver module that the signal level takes place the saltus step, high regulating unit sets up in each signal transceiver module's below, and with the lid bottom surface edge connection of relevant position, microprocessor for when a certain signal transceiver module received / do not receive through the reflected signal after the inner wall reflection, the high regulating unit of control relevant position adjusted the lid top surface edgeheight that corresponds the position, takes place the saltus step until this signal transceiver module signal level. The utility model discloses can the automated inspection well lid and road plane between whether incline and