Harvesting device of clam worms
A harvesting device, clamworm technology, applied in fish farming, application, animal husbandry, etc., to achieve the effect of low labor load and less manpower consumption
Inactive Publication Date: 2016-08-24
MARINE FISHERIES RES INST OF ZHEJIANG
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Problems solved by technology
[0004] In view of the above-mentioned deficiencies, the technical problem to be solved by the present invention is to seek a way for the mechanized capture of clamworms, thereby liberating labor to reduce labor load and improve harvesting efficiency, thereby proposing a harvesting device for clamworms
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[0014] A set of harvesting device for clam worms, including a capture device, a cleaning device and a grading device, completes the operation of harvesting clam worms above the standard size of the clam worms cultured in the mud coating and allowing the clam worms below the standard size to continue living in the mud coating .
[0015] Such as figure 1 Shown, be the structure of catcher, have 4 deep insertion points 6, each deep insertion point is like a sharp knife stabbed forward, and the knife face is perpendicular to the ground. After the rear ends of the 4 deep insertion points are bent upwards obliquely upwards, they are connected and fixed with a cross arm above the height of the mud layer 1 coated with mud, and the upward extension of the bent part and the cross arm form a support 3 . There is a traction rope on the support to connect with the winch fixed on the ground, and the winch pulls the support to move forward. The ultrasonic generator is additionally placed o...
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The invention provides a harvesting device of clam worms. The harvesting device comprises a capturing device and a grading device, wherein the capturing device consists of an ultrasonic generator, an ultrasonic transducer and a shovel-shaped net bag; the grading device is formed by installing a rotary disc on a rack; and the rotating speed of the rotary disc enables that the centrifugal force on the standard-size clam worms is greater than the friction force between the clam worms and the rotary disc. The harvesting device is characterized in that by utilization of the sensitivity of small animals to ultrasonic waves, the clam worms are expelled to the surface of mud flat from below the mud flat by using the ultrasonic waves, and then clam worms of all sizes are captured by using a shovel-shaped net. All the clam worms are cleaned and transferred to the edge position of the rotary disc, and after rotation, larger clam worms slide in a helical-line track on the rotary disc and then are thrown into a receiving disc, and smaller clam worms can not slide and are pushed to a collecting device. Then the seperated clam worms are respectively used as a product and returned to the mud flat. Compared with the prior art, the harvesting device provided by the invention has the advantages that the labor consumption is less, the workload is low, and a feasible solution is provided for mechanically harvesting the clam worms by carrying out complete capture first and then carrying out grading treatment.
Description
technical field [0001] The invention relates to a harvesting device for clam worms. Background technique [0002] Commonly known as sea centipede, sea leech and so on. It likes to live in coastal beaches with fresh water inflow, and in the sand and mud of the middle intertidal zone to the subtidal zone. The larvae eat plankton, and the adults feed on humus. Lugworm is the most broad-spectrum bait for offshore fish. It is known as the "universal bait" for sea fishing and is very popular among fishing enthusiasts. Nereis has high nutritional value, and its adults and larvae are high-quality bait for economic fish and shrimp. Nereis worm is also a kind of food with high nutrition, and its toxin can be used as medicine again. With the increase in demand, the farming industry of clamworms is also booming. [0003] The cultivation of clam worms is generally carried out in mud slabs to imitate the environment in the intertidal zone. clam worms reproduce by themselves during the...
Claims
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IPC IPC(8): A01K80/00
CPCA01K80/00
Inventor 楼宝陈睿毅詹炜徐冬冬刘峰王立改毛国民徐麒翔马涛
Owner MARINE FISHERIES RES INST OF ZHEJIANG