Marine bottom trawling trapper and trapping method thereof
A trap and marine technology, applied in the field of traps, can solve the problems of benthos port detachment, port detachment, being easily affected by ocean currents and currents, etc., and achieve the effect of effective collection
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Embodiment 1
[0040] Embodiment 1: as figure 1 As shown, a kind of marine bottom dragging catcher comprises a trawl net box 1, a counterweight 3, four fixed anchors 32 installed on the counterweight by chains respectively, a first winch 5 and a second winch 6 arranged on the hull . The first winch includes a first reel rotatably arranged on the hull, a first rotating device for driving the first reel to rotate, a tow rope 2 wound on the first reel and a first clutch. 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 winch includes a second reel rotatably arranged on the hull, a second rotating device for driving the second reel to rotate, a lowering rope 4 wound on the second reel and a second clutch. The second rotating device includes a motor a...
Embodiment 2
[0047] Embodiment 2: the capture method of a kind of ocean bottom drag catcher described in a kind of embodiment 1, this capture method comprises the following steps successively:
[0048] A: Transport the marine bottom drag trap to the designated benthic collection sea area by ship;
[0049] 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.
[0050] 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 mechanism 82 will push a corresponding cover plate 7 upward along the first guid...
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