Anti-escape device for crayfish breeding

The invention discloses an anti-escape device for crayfish breeding. The anti-escape device comprises a sealing cover, a plurality of side coamings, a first steel wire water filter screen, a second steel wire water filter screen, a drainage pipe port, supporting pipe frames A, supporting pipe frames B, a lifting hook truss, cushion corner protection pieces and limiting belt locks, wherein the side coamings are arranged on the inner bottom surface of the sealing cover, a concave cavity is formed by the plurality of side coamings, the first steel wire water filter screen is arranged on one side faces of the side coamings, the second steel wire water filter screen is arranged on the other side faces of the side coamings, the drainage pipe port is formed in the end of the concave cavity formed by the side coamings, the supporting pipe frames A are arranged on an upper edge frame and a lower edge frame of the sealing cover respectively, the supporting pipe frames B are arranged on a left edge frame and a right edg