Automatic lifting and fixing device for net cage

By designing automatic lifting and fixing devices of cages, using an anemometer and flowmeter to detect sea breeze and current, and automatically adjust the cage depth, the problem of the cage being easily affected by wind, waves and current at a fixed depth in seawater is solved, and the stability and fishing efficiency of cages are improved.

CN222692542UActive Publication Date: 2025-04-01HAINAN DANZHOU XIANGTAI BREEDING CO LTD
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Patent Information

Application Number
CN202421437595.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-01
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing cages are susceptible to wind, waves and currents at fixed depths in seawater, resulting in displacement or damage, and fishing operations require manual grid collection, which is inefficient.

Method used

Design an automatic lifting and fixing device for cages, including cages, mesh bags, floating boxes, platform and controllers. The sea breeze and current conditions are detected through an anemometer and flowmeter, and the depth of the cage is automatically adjusted by hydraulic rods and lifting mechanisms, and the stable posture of the cage is maintained through a balance ring.

Benefits of technology

It effectively avoids the impact of wind and waves and sea currents on the cage, improves the stability of the cage, reduces the physical consumption of artificial fishing, and improves the fishing efficiency.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model provides an automatic lifting and fixing device for a net box, comprising a net box, a net bag, a buoy, a platform and a controller, wherein the net bag is arranged in the net box, at least two buoys are arranged outside the circumference of the net box, the buoy is connected to the platform through a support rod, the platform is provided with a through hole 1, a lifting mechanism and an anemometer are provided on the top surface of the platform, the lifting mechanism is connected with a pull rope 1, the pull rope 1 passes through the through hole 1 and is connected to the top of the net bag, the top of the net box is connected with a balance ring through a steel wire rope, the support rod is respectively hinged to the top surface of the buoy and the bottom surface of the platform, the hydraulic rod is respectively hinged to the support rod and the buoy, a movable pulley is provided on the support rod, the lifting mechanism arranged on the top of the buoy is connected with a pull rope 2, the pull rope 2 is connected to the movable pulley and extended to the balance ring, and a plurality of anemometers are provided at the bottom of the buoy. The utility model can detect the wind speed and the flow rate of different depths of seawater through the controller, automatically control the lifting and lowering of the net box, and can realize the separate lifting and lowering of the net bag, which is convenient for fishing operations.
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