Test bench for air compressor

The utility model relates to a test bench for an air compressor, which comprises an air inlet module, an air outlet module, a main bench and a test device, the air compressor is arranged on one side of the main bench, the main bench is of a box body structure, and the test device is arranged in the main bench; the air inlet module comprises an air filter, an air inlet pipeline and a steering pipeline, a horizontal rail unit is arranged on the top face of the main rack, and the air inlet pipeline and the air filter are connected with the rail unit through sliding supporting pieces together. The air outlet module comprises an air outlet pipeline and a back pressure valve arranged on the air outlet pipeline, one end of the air outlet pipeline is connected with the test equipment, and the other end extends out of the main rack and is connected with an air outlet of the air compressor. Compared with the prior art, the utility model has the advantages of compact structure, small occupied space and convenience in te