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Anchored bentonic organism acquisition system and acquisition method thereof

A technology of benthic organisms and a collection system, applied in the field of collectors, can solve the problems of detached ports of benthic organisms, difficulty in effectively collecting benthic organisms, and easy lifting of marine benthic organisms by ropes, etc., to achieve effective collection Effect

Active Publication Date: 2014-10-08
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first purpose of the present invention is to overcome the problem that the Alfred trawl device in the prior art is easily dragged up by ropes during the process of collecting marine benthic organisms, which makes it difficult for the Alfred trawl device to effectively collect the seabed surface or bottom mud. For the problem of benthic organisms in the surface layer, an anchored benthic organism collection system and a collection method for effectively collecting benthic organisms inhabiting the seabed surface and the bottom mud surface are provided
[0006] The second purpose of the present invention on the basis of the first purpose is to overcome the influence of sea current and water flow on the Ashi trawl device in the prior art in the process of pulling up, causing the benthic organisms in the Ashi trawl to be separated from the Ashi trawl. In order to solve the problem that the port of the trawl net device is detached, a sinking anchor type benthic organism collection system and the its collection method

Method used

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  • Anchored bentonic organism acquisition system and acquisition method thereof
  • Anchored bentonic organism acquisition system and acquisition method thereof
  • Anchored bentonic organism acquisition system and acquisition method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Embodiment 1: as figure 1 As shown, an anchor sinking type benthic organism collection system includes a trawl box 1, a fixed anchor 3, and a winch arranged on the hull. This winch comprises vehicle frame, can rotate the first reel 5 that is arranged on the vehicle frame, the second reel 6, is arranged on the vehicle frame and is used for driving the first rotating device that the first reel rotates, and is wound on the first The drag rope 2 on the reel is arranged on the vehicle frame to be used for driving the second rotating device that the second reel rotates and the lowering rope 4 wound on the second reel. The first rotating device includes a motor and a reducer, and a brake is arranged between the motor and the input shaft of the reducer. The output shaft of the speed reducer of the first rotating device is connected with the rotating shaft of the first reel through the first clutch. The second rotating device includes a motor and a reducer, and a brake is als...

Embodiment 2

[0046] Embodiment 2: the remaining structure of this embodiment is with reference to embodiment 1, and its difference is:

[0047] Such as Figure 5 As mentioned, the V-shaped box frame in the middle of the V-shaped trawl box is provided with a first grid-shaped protective interlayer 103 parallel to the balance bar, and a filter screen is provided on the surface of the first grid-shaped protective interlayer. Each mesh partition 102 is located on the V-shaped box frame between the first grid-shaped protective partition and the collection inlet. The mesh interlayer on the two second sides of the V-shaped trawl box is composed of the second grid-shaped protective interlayer 102a arranged on the V-shaped box frame and the filter screen arranged on the second grid-shaped protective interlayer inboard. constitute. The mesh interlayers on the two first sides of the V-shaped trawl box are directly composed of filter screens. On the V-shaped box frame, between the first grid-shaped...

Embodiment 3

[0049] Embodiment 3: the collection method of a kind of sinking anchor type benthic organism collection system described in a kind of embodiment 1 or embodiment 2, this collection method comprises the following steps successively:

[0050] A: Transport the anchored benthic organism collection system to the designated benthic organism collection sea area by ship;

[0051] B: The first clutch is disengaged, and the trawl box 1 is lowered to the seabed through the tow rope 2 under its own weight.

[0052] Such as figure 1 , Figure 4 As shown, due to the effect of the balance bar 10, after the trawl box sinks to the seabed, it will be as follows figure 1 , Figure 4 The state shown is placed on the bottom of the sea; at this moment, one second side in the two second sides of the trawl box will become the side that is in direct contact with the bottom of the sea, and in this process, the pressing plate 83 and the pressing bar of the automatic opening and closing cover plate m...

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Abstract

The invention discloses an anchored bentonic organism acquisition system and an acquisition method thereof, and aims at providing an anchored bentonic organism acquisition system for effectively acquiring bentonic organisms inhabiting on the surface of seabed, and an acquisition method thereof. The system comprises a trawling box, a mooring anchor and a winch arranged on a ship body; the winch comprises a vehicle frame, a first reel and a second reel rotatably arranged on the vehicle frame, a first rotating device used for driving the first reel to rotate, a dragging rope reeled on the first reel, a second rotating device used for driving the second reel to rotate, and a releasing rope reeled on the second reel; the output shaft of the first rotating device is connected with the rotating shaft of the first reel through a first clutch; the output shaft of the second rotating device is connected with the rotating shaft of the second reel through a second clutch; the free end of the dragging rope is fixed on the trawling box; and the free end of the releasing rope is fixed on the mooring anchor, the top of the anchor bar of the mooring anchor is provided with a guide ring, and the dragging rope traverses through the guide ring.

Description

technical field [0001] The invention relates to a collector for collecting marine benthic organisms, which is used for qualitative and quantitative analysis of marine benthic organisms, in particular to an anchor-type benthic organism collection system and a collection method for marine ecological environment investigation. Background technique [0002] The investigation of marine benthic organisms is an important part of the comprehensive investigation of the basic marine sciences. Especially at present, due to the influence of human activities, the amount of near-shore seabed sediments is increasing, which seriously affects the composition and composition of benthic communities living on the seabed substrate. Biomass; therefore, the investigation and research of marine benthic organisms have gradually received more attention. [0003] At present, the device usually used when collecting marine benthic organisms is the "Ashtray trawl device". In the actual process of collect...

Claims

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Application Information

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IPC IPC(8): G01N1/02
Inventor 薛彬何伊娜李佩佩梅光明张小军
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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