Inspection well cover with safety protection for municipal engineering

The inspection well cover with the safety protection function for municipal engineering comprises a well cover base, a movable top cover, a fixing plate and a connecting base, and the movable top cover is installed at the top of the well cover base; the bottom of the well lid base is provided with two sets of fixing plates which are arranged in a front-back mirroring mode, and the outer wall of the well lid base is provided with four sets of connecting bases which are annularly arranged at equal intervals. The device comprises a movable top cover, a protection ring is installed at the top of the movable top cover, a plurality of sets of telescopic sleeves which are evenly arranged are installed at the top of the movable top cover, a plurality of sets of extrusion springs which are evenly arranged are installed at the top of the movable top cover, and a downward pressing circular plate is installed at the tops of the telescopic sleeves. According to the inspection well cover body structure, pressure generated