Freshwater fish artificial fish nest filtering device

• Main Authors: LI JINLONG, QI LIANG, ZHOU XIANWEN, HU YAZHOU, ZHANG JINHAI, ZENG YAYING, LONG JIANGLING, TIAN MAOCHAO
• Format: Patent
• Language: Chinese; English
• Published: 12.09.2023
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; NEW BREEDS OF ANIMALS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; SEPARATION; TRANSPORTING; TRAPPING

The utility model discloses an artificial fish nest filtering device for freshwater fishes, which relates to the technical field of freshwater organism collection and comprises a collecting box, floating balls are fixedly mounted on two sides of the collecting box, a fish nest body is fixedly mounted on the inner wall of the collecting box, and a filter screen is arranged in the collecting box in a penetrating manner. A fixing device is arranged on the surface of the collecting box and comprises a connecting plate fixedly installed on the surface of the collecting box, a supporting frame with the U-shaped cross section is slidably installed on the surface of the connecting plate, a plurality of conical rods are evenly and fixedly installed on the side wall of the supporting frame, and each conical rod is of a bent structure. A fixing block is fixedly installed on the side wall of the collecting box, a driving rod is arranged in the supporting frame in a threaded and penetrating mode, and the driving rod is ro