Anti-loosening railway track fixing device

The invention relates to the technical field of railway tracks, and discloses an anti-loosening railway track fixing device which comprises a sleeper, a rail and a base plate, the base plate is placed on the top of the sleeper, the rail is placed on the top of the base plate, two contact blocks are placed on the top of the base plate, and a track fixing mechanism is arranged on the contact blocks. Through the design of the rail fixing mechanism, the rail fixing effect is achieved in the mode that the contact blocks are placed on the two sides of the rail correspondingly to fix the rail in an attached mode, and after the contact blocks are well placed on the outer sides of the positioning plates, the purpose of positioning and fixing the contact blocks is achieved in the mode that the first clamping plates are inserted from the side faces of the contact blocks firstly, and then the second clamping blocks are inserted from the tops; after the contact block is inserted, the first limiting plate and the second li