Wall crack waterproof construction equipment

The utility model discloses a wall crack waterproof construction device which comprises a machine shell, a connecting ring connected with an outer ring of the top of the machine shell in a sleeved mode, an air pump arranged on the top of the right side of the machine shell, an air pipe connected with the bottom of the air pump, first connecting rods arranged on the left side of the machine shell, a handrail connected between the two first connecting rods, and a switch arranged on one side of the handrail. A supporting rod is arranged on one side of the first connecting rod, one end of the supporting rod is connected with a spring, one end of the spring is connected with a connecting block, a second connecting rod and a scraper are arranged at the bottom of the connecting block, and the scraper is arranged on one side of the second connecting rod. Through cooperative use of an air pump, an air pipe and a lantern ring, dust in cracks can be removed, materials are more attached to a wall, the air pump is connect