Novel big -arch shelter for farming

The utility model discloses a novel big -arch shelter for farming, retrieve the mechanism including the canopy body and rainwater, the canopy body pastes and establishes on support keel (1) includingsupport keel (1) and canopy membrane (2), canopy membrane (2), the rainwater is retrieved the mechanism and is included support column (3), connect rain board (4) at support column (3) top, connect rain board (4) lower part to be provided with the hoist engine, hoist rope (5) of hoist engine are connected with the rear portion that connects rain board (4), connecing rain board (4) rear end lower part to be provided with water receiving tank (6), be provided with a plurality of downcomers (7) in water receiving tank (6) lower part, the interval is provided with a plurality of and crosses filtercore (8) in downcomer (7), the lower extreme of downcomer (7) is connected with cistern (9), the utility model discloses can withdraw the utilization to the rainwater, the rainwater of recovery can be used to breed fish or ir