Manual caulking machine for expansion joints of cement concrete roads and airport pavements

The utility model discloses a cement concrete road and airport pavement expansion joint manual caulking machine which comprises an engine, a steering gear, a lead screw adjusting device, a conversion device, a conversion wheel, a frame, a material pot, a discharging device and a rear wheel. An L-shaped conversion frame in the conversion wheel is connected with a steering rod in the conversion device through a connecting line, a lead screw adjusting device is arranged on one side of the steering device, an adjusting rod in the lead screw adjusting device is connected with a material pot through a hinge seat, a feeding port of the material pot is connected with an engine through a fixing plate, and an output shaft of the engine is connected with a discharging device through a steering gear. The device is simple and reasonable in structure, small in size, light in weight and reasonable in structure, the expansion joint is filled mechanically instead of manually, meanwhile, the defects of an automatic caulking ma