Anti-blocking sundry intercepting component for road and bridge water outlet

The utility model provides an anti-blocking sundry intercepting component for a road and bridge water outlet, and belongs to the technical field of intercepting components. In order to solve the problems that an existing device cannot clean and collect sundries and is poor in anti-blocking effect, the following technical scheme is provided that the device comprises a mounting frame and a grid plate, a cleaning assembly arranged in the mounting frame in a penetrating mode comprises a motor, a screw and a cross rod, a scraper is arranged on the cross rod, sliding blocks are arranged at the two ends of the cross rod, one set of sliding blocks are arranged on the screw in a sleeving mode, and the other set of sliding blocks are arranged on the grid plate. The screw is connected with the output end of the motor, a rotating plate is hinged to the other side of the mounting frame, a torsion spring is arranged at the hinged position of the rotating plate and the mounting frame, and a collecting box is arranged on a f