Railway traction power transformation and distribution cabinet

The utility model discloses a railway traction power transformation power distribution cabinet which comprises a cabinet body and a cabinet door hinged to the front face of the cabinet body, a plurality of threading holes used for external wiring are formed in the bottom of the back face of the cabinet body, protection structures used for blocking external water vapor and dust are arranged in the threading holes, and each protection structure comprises an elastic contraction sleeve. The outer wall of the elastic contraction sleeve is provided with a fixing piece used for fixing the position of the elastic contraction sleeve, the two sides of the front face of the fixing piece are respectively provided with a pressing piece used for adapting to cabinet bodies with different thicknesses, and the fixing piece comprises a threading pipe. An external wire is wrapped and protected by using the elastic shrinkage sleeve with the conical inner shape, water vapor and dust in the environment are prevented from directly