Maintaining and cooling system for concrete sleeper

A maintaining and cooling system for a concrete sleeper comprises at least two maintaining pits, wherein an air blower is arranged on one side of one maintaining pit, an air outlet of the air blower is communicated with the bottom of the maintaining pit through an air inlet pipe, and the top of the other side of the maintaining pit is communicated with the air inlet end of an air outlet pipe. An axial flow fan is arranged on the air outlet pipe, and the air outlet end of the air outlet pipe is communicated with a first connector of a tee joint. A second connector of the tee joint is communicated with a trench through an exhaust pipe, and a third connector of the tee joint is communicated with the bottom of the other maintaining pit through an air return pipe. Ball valves are arranged on the exhaust pipe and the air return pipe. The air blower and the axial flow fan are further connected with a computer temperature control device. The system has the advantages of being significant in cooling efficient and idea