Drainage channel device for highway engineering

The utility model discloses a drainage channel device for highway engineering, which comprises a bottom plate, a protective box is fixedly connected to the top of the bottom plate, a rubber base is fixedly connected to the middle end of the bottom of an inner cavity of the protective box, telescopic sleeves are fixedly connected to two sides of the bottom of the inner cavity of the protective box,and telescopic springs are sleeved on the outer surfaces of the telescopic sleeves. The telescopic sleeves are fixedly connected to the two sides of the bottom of the inner cavity of the protection box; the outer surface of the telescopic sleeve is sleeved with a telescopic spring; the top of the telescopic sleeve is fixedly connected with a flow guide plate; the shockproof effect is achieved; collapse of the drainage channel caused by overlarge water pressure is prevented; and the stainless steel filter screens are connected to the two sides of the protection box through positioning block bolts, so that the effect o