The utility model discloses a radiator dustproof net cover, can expand to shelter from or the folding dust screen of stacking preceding setting of radiator air intake, through fixed plate installationpulley, the reverse wheel, and receive and release wire rope through electric machine control box driving capstan and control the dust screen and upwards expand or folding stacking downwards along the U -shaped guide way, hinder ash blocking dirt through the dust screen, the grass bits, the poplar wadding, debris such as insect, the radiator fin who reduces the transformer adsorbs debris and gathers, it is unblocked to make the heat abstractor networking, improve the radiating effect of radiator, radiator dustproof net cover makes things convenient for the dismouting to maintain with wasing owing to can fold and expand, the radiator dust screen adopts assembles the structure, simple to operate, simple and easy, the radiator dustproof net cover mounting means owing to adopt purpose -made Cclamp utensil and radiator fixed connection, and does not change original radiator structure, need not punch in the installation, welding process, does not have any influence to the former subassembly structure of radiator.