The utility model provides a tooth-shaped non-return belt capturing device. The tooth-shaped non-return belt capturing device comprises stand columns, a cross beam, a base plate, a supporting beam, a steel pipe, a steel bar and tooth-shaped non-return devices, wherein the stand columns, the cross beam and the base plate are welded to form a frame, the steel pipe is welded to the supporting beam, the tooth-shaped non-return devices are connected with the steel pipe through the steel bar, the tooth-shaped non-return devices and the steel bar are welded to form a T shape, each tooth-shaped non-return device comprises a round bar and a hook arranged at one end of the round bar, the included angle between each hook and the corresponding round bar is 75 degrees, the number of the tooth-shaped non-return devices is five or six, the interval between every two adjacent tooth-shaped non-return devices is 200mm, and reinforcing ribs are arranged on the stand columns. Compared with the prior art, the tooth-shaped non-return belt capturing device has the advantages that equipment damage and personnel injury which are caused by belt breakage are effectively prevented, normal production safety is guaranteed, materials can be obtained easily, machining is easy, cost is low, and the device is suitable for being popularized and used for production.