Dust removal device for house building construction

The utility model provides a house building construction dust removal device which comprises a first connecting rod, a fixing assembly is arranged on one side of the first connecting rod and comprises a fixing base, a fixing sleeve is connected to the surface of the fixing base in a threaded mode, a second connecting rod is arranged in the fixing sleeve, and a double-end motor is arranged at the top of the second connecting rod. The output end of the double-end motor is connected with a lifting rope through a coupler. According to the house building construction dust removal device provided by the utility model, the fixing assembly arranged on one side of the first connecting rod is matched with the second connecting rod, so that the fixing assembly can be made into a frame so as to be fixed on the surface of a tower crane; the conveying pipe is retracted and released while the frame is lifted for spraying and dedusting, so that the conveying pipe is prevented from being knotted and pressed by other conveying