Environment-friendly gutter inlet pipeline filtering device for ecological green belt of municipal road

The invention discloses an environment-friendly gutter inlet pipeline filtering device for an ecological green belt of a municipal road. The environment-friendly gutter inlet pipeline filtering device comprises a long air cylinder, a first filtering pipe, a second filtering pipe, a third filtering pipe, a fourth filtering pipe, an arc-shaped shifting piece, an annular air bag, a plastic inserting needle and a short air cylinder. The device is reasonable in structure, the fourth filtering pipe, the third filtering pipe, the second filtering pipe and the first filtering pipe can be exposed in sequence, adjustment and filtration can be conveniently carried out according to the depth of accumulated water and impurities in different water layers, and the device is suitable for filtering and draining the quality of the accumulated water in different stages of continuous rainfall; the effect of folding and unfolding the movably connected arc-shaped shifting piece in a reciprocating mode is achieved, power for shifti