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Starfish capturing device and method

A catching device and starfish technology, applied in fishing, application, animal husbandry, etc., can solve the problems of low single-net catch and inconvenient starfish capture operation, and achieve high single-net catch, not easy to escape, and convenient catch operation Effect

Active Publication Date: 2019-06-04
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the disadvantages of inconvenient operation for starfish capture and low single-net capture capacity, and provides a starfish capture device and method with convenient starfish capture operation and high single-net capture capacity

Method used

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  • Starfish capturing device and method
  • Starfish capturing device and method

Examples

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Effect test

Embodiment

[0019] Embodiment: a kind of starfish catching device (referring to attached figure 1 to attach image 3 ), including lure tube 1, catch net 2, floating body 3, starfish bait 4 is housed in the lure tube, shellfish meat, fish meat or chemical slow-release bait are used as starfish bait in the present embodiment, and some lure holes are arranged on the side wall of the lure tube 4. Several rows of suction channels 5 are evenly distributed on the inner wall of the lure cylinder, and a number of suction holes 6 connected with the suction channels are arranged on the outer wall of the lure cylinder. . A bracket 7 is installed on the upper end of the lure tube, and the bracket includes a support 8 and a plurality of cover rods 9 evenly distributed on the support. Slide rod 12 can be slidably installed in the sleeve rod, and a connecting cavity 13 and several piston cavities 14 are arranged in the support, and the piston cavity and the sleeve rod are arranged in one-to-one corresp...

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Abstract

The invention discloses a starfish capturing device and method and aims to overcome the defects of an existing starfish capturing device and method. The starfish capturing device and method is characterized in that starfish is lured to a luring cylinder and positions around the luring cylinder through starfish bait, a capturing net is released when the fact that the starfish reaches a certain number is observed through a camera, the upper end of the capturing net is connected to the luring cylinder, the counterweight magnets at the lower end of the capturing net attract to one another to allowthe lower end of the capturing net to gather so as to capture the starfish in the capturing net, a negative pressure pump is used to perform water pumping on an attraction channel to form negative pressure so as to firmly suck the starfish attaching to attraction holes to the outer wall of the luring cylinder, and the starfish can be prevented from escaping before the lower end of the capturing net gathers. The starfish capturing device and method has the advantages that the starfish capturing operation is convenient, the starfish cannot escape easily, and high single-net capturing quantity is achieved.

Description

technical field [0001] The invention relates to aquatic product capture technology, more specifically, it relates to a starfish capture device and method. Background technique [0002] Starfish is the most representative group of echinoderms in terms of structure and physiology. The body is flat, mostly five radially symmetrical, and the boundary between the body disc and the wrist is not obvious. In life, the mouth is facing down and the anti-mouth is facing up. The ventral side of the wrist has a step band groove, and podia protrude from the groove. The bone plates of the endoskeleton are connected by connective tissue, which is flexible and bendable. The body surface has spines and fork spines, which are the protrusions of bones. The membranous vesicles protruding from the bone plate are covered with epithelium and lined with coelom epithelium. The inner cavity is connected to the secondary body cavity, called skin gills, which have the functions of respiration and di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K69/04
Inventor 周珊珊王伟定郭爱梁君李哲
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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