Corrosion-resistant and wear-resistant mortar pump

The utility model discloses a corrosion-resistant wear-resistant mortar pump, which comprises a main body unit and a protection unit, the main body unit comprises a motor and a pump body, the pump body is fixedly connected with a connecting pipeline, the connecting pipeline is fixedly connected with a connecting flange, and the connecting flange is provided with a slot; the protection unit comprises a mounting ring, the inner wall of the mounting ring is fixedly connected with a protruding strip, the outer side face of the mounting ring is fixedly connected with an insertion block, and the lower portion of the mounting ring is fixedly connected with a protection ring. By arranging the protection unit, the inner wall of the connecting pipeline can be protected, the inner wall is prevented from being directly damaged by foreign matter such as pebbles, the service life of the connecting pipeline is prolonged, the overall abrasion resistance and corrosion resistance are improved, and meanwhile, the protection uni