Dust removal device of forage material pushing vehicle

The utility model provides a forage pushing trolley dust removal device which comprises a forage pushing plate and a forklift, two fixing pipes perpendicular to the forage pushing plate are arranged at the lower end of the same side of the forage pushing plate, the two fixing pipes are parallel to each other and can be fixedly connected with a pallet fork on the forklift in a sleeving mode, a dust removal box is arranged on the fixing pipes, and dust collection covers are arranged at the upper end and the two sides of the dust removal box correspondingly. The dust collection cover is communicated with the interior of the dust removal box through a telescopic pipe, a push rod used for pushing the dust collection cover to move outwards is installed in the dust removal box, an induced draft fan used for generating negative pressure is installed in the dust removal box, a filter screen used for filtering dust is arranged in the dust removal box, and the filter screen is arranged between the telescopic pipe and th