Transmission tower wind tunnel test model and installation method thereof

The invention discloses a transmission tower wind tunnel test model and an installation method thereof. The transmission tower wind tunnel test model of the invention includes a plurality of main rodgroups and a plurality of diagonal struts for connecting the adjacent main rod groups. Each main rod group includes at least two main rods in vertical butt joint. Each main rod includes an inner tube,a middle tube with which the inner tube is sleeved, and an outer tube with which the middle tube is sleeved, and a notch is formed on a leeward side of each of the middle tube and the outer tube. According to the invention, the outer diameter of each main rod of the transmission tower wind tunnel model can be rapidly changed according to specific test requirements, the purpose and requirements ofthe compactness degree of the transmission tower model can be rapidly changed in the wind tunnel test, the advantages of quick change in cross sections, forms and densities of the tower wind tunnel test model can be achieved,