Bridge guardrail drilling and bar planting structure and construction method thereof

The invention discloses a bridge guardrail drilling and bar planting structure, and the structure comprises a mounting plate, an Contraband-type mounting frame, a servo lifting mechanism and a mounting barrel, wherein the Contraband-type mounting frame is fixed at the upper end of the mounting plate, a servo motor is fixed at the upper end of the Contraband-type mounting frame, a lead screw is fixed at an output shaft of the servo motor, the lead screw is in transmission connection with a transmission nut, the transmission nut is embedded in a first mounting block, the mounting barrel is fixedat the first mounting block, a second mounting block is fixed at the other side of the mounting barrel, a guide sleeve is arranged in the second mounting block, a guide rod is in sliding connection with the guide sleeve, a first motor is fixed at the top end of the mounting barrel, the first motor is connected with a speed reducer, the speed reducer is connected with an angle divider, a rotatingshaft is fixed on the angl