CN203869889U - Drag-and-drop type benthos collection device - Google Patents
Drag-and-drop type benthos collection device Download PDFInfo
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- CN203869889U CN203869889U CN201420248344.XU CN201420248344U CN203869889U CN 203869889 U CN203869889 U CN 203869889U CN 201420248344 U CN201420248344 U CN 201420248344U CN 203869889 U CN203869889 U CN 203869889U
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Abstract
The utility model discloses a drag-and-drop type benthos collection device, and aims to provide a drag-and-drop type benthos collection device capable of effectively collecting benthos inhabiting on the surface of the sea floor. The drag-and-drop type benthos collection device comprises a trail net box, a fixing anchor and a winch arranged on a ship body, wherein the winch comprises a frame, a first roll rotatably arranged on the frame, a second roll, a first rotating device used for driving the first roll to rotate, a drag-and-drop rope wound on the first roll, a second rotating device used for driving the second roll to rotate and a lowering rope wound on the second roll; an output shaft of the first rotating device is connected with a rotating shaft of the first roll through a first clutch; an output shaft of the second rotating device is connected with a rotating shaft of the second roll through a second clutch; the free end of the drag-and-drop rope is fixed on the trail net box; the free end of the lowering rope is fixed on the fixing anchor; a guide ring is arranged at the top of an anchor rod of the fixing anchor; the drag-and-drop rope penetrates through the guide ring.
Description
Technical field
The utility model relates to a kind of collector that gathers marine benthos, for the qualitative and quantitative analysis of marine benthos, is specifically related to the towed bottom-dwelling harvester of using in a kind of marine eco-environment investigation.
Background technology
The investigation of marine benthos is the important component part of Marine Sciences basis comprehensive survey, especially at present owing to being subject to the effect of human activity, offshore marine bottom sediment quantity is on the increase, and badly influences the benthic community of existence in the matrix of seabed and forms and biomass; Therefore, investigation, the research for marine benthos comes into one's own gradually.
Conventionally the device adopting while gathering marine benthos is at present " Agassiz trawl device ", in actual trawl gatherer process, normally Agassiz trawl 17 is lain on investigation ship by pulling direct suspension of rope 2, ship drags Agassiz trawl and carries out benthic acquisition operations by inquiry, as shown in Figure 6.Current Agassiz trawl device has the following disadvantages when gathering marine benthos: one, at ship, drag in the process of Agassiz trawl device, because rope drags Agassiz trawl device obliquely, make Agassiz trawl device be subject to pulling force obliquely, thereby Agassiz trawl device has often easily up been dragged by rope, make the Agassiz trawl device cannot be well and sea bottom surface laminating, sometimes even separated with sea bottom surface, cause Agassiz trawl device to gather and perch the bottom-dwelling in surface, seabed or bed mud top layer; They are two years old, because the port (being acquisition port) of Agassiz trawl device is all the time in opening-wide state, this completes after collection Agassiz trawl device, in the process being pulled upwardly, bottom-dwelling in Agassiz trawl is easily subject to ocean current and water currents, causes the bottom-dwelling in Agassiz trawl to be escaped by the port of Agassiz trawl device.
For example, China Patent Publication No. CN201179967, in open day on January 14th, 2009, the name that utility model is created is called Ah's trawlnet underwater operation loss prevention device, and it comprises Ah's trawling gear, and ball float, cotton rope form.In the process that gathers marine benthos, there is equally above-mentioned deficiency in Ah's trawlnet underwater operation loss prevention device of this application case.
Utility model content
The first object of the present utility model is easily by rope, up to have been dragged in gathering foreign benthic process in order to overcome Agassiz trawl device of the prior art, cause Agassiz trawl device to be difficult to effectively gather and perch the benthic problem in surface, seabed or bed mud top layer, provide a kind of and can effectively gather the benthic towed bottom-dwelling harvester of perching in surface, seabed and bed mud top layer.
Second object of the utility model on the first object basis is in the process of up pull-up, to be easily subject to ocean current and water currents in order to overcome Agassiz trawl device of the prior art, the problem that causes bottom-dwelling in Agassiz trawl to be departed from by the port of Agassiz trawl device, providing a kind of can effectively prevent after collection, at the towed bottom-dwelling harvester of the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
The technical solution of the utility model is:
Towed bottom-dwelling harvester comprises a trawlnet case, mooring anchor and be arranged on the winch on hull; This winch comprises vehicle frame, rotatably be arranged on the first reel on vehicle frame, the second reel, be arranged on the first wheelwork for driving the first reel to rotate on vehicle frame, be wound on the rope that pulls on the first reel, be arranged on vehicle frame for driving the second wheelwork of the second reel rotation and being wound on the rope of transferring on the second reel; Between the rotating shaft of the output shaft of described the first wheelwork and the first reel, by first clutch, be connected; Between the rotating shaft of the output shaft of described the second wheelwork and the second reel, by second clutch, be connected; The described free end that pulls rope is fixed on trawlnet case; Described free end of transferring rope is fixed on mooring anchor, and described mooring anchor comprises anchor fluke and anchor pole, and anchor pole top is provided with guide ring, described in pull rope through guide ring.
The course of work of the towed bottom-dwelling harvester of this programme is as follows:
First, by pulling rope, trawlnet case is transferred to seabed; Then, ship is kept straight on along either direction, and in this process, pulling rope will constantly be discharged in marine site along ship direct of travel on the first reel; Follow, when ship, keep straight on after a segment distance, ship stops advancing, and by transferring rope, mooring anchor is transferred to seabed, owing to pulling rope through guide ring; Thereby transfer to behind seabed when mooring anchor, trawlnet case will be roughly parallel with seabed with the rope that pulls between mooring anchor; Finally, ship drags along seabed by pulling the moving trawlnet case of rope band, because mooring anchor is fixed on seabed by guide ring, and because trawlnet case will be roughly parallel with seabed with the rope that pulls between mooring anchor, thereby in the process dragging along seabed at trawlnet case, trawlnet case can not be subject to pulling rope pulling force upwards, can avoid trawlnet case easily by rope, up to be dragged the problem separated with seabed in pulling process, guarantee that trawlnet case drags along seabed, thereby can effectively gather the benthic collection marine benthos that perch in surface, seabed or bed mud top layer.
As preferably, trawlnet case is open-ended V-arrangement trawlnet case, and the open-ended formation of V-arrangement trawlnet case gathers entrance, described in pull rope free end be fixed near gathering on the V-arrangement box frame of entrance, four sides of V-arrangement trawlnet case consist of two the first sides that are parallel to each other and two crossing the second V-shaped sides, and V-arrangement trawlnet case comprises that formation V-arrangement drags the netted interlayer of the V-arrangement box frame of Net-cage frame and four sides of formation V-arrangement trawlnet case, the V-arrangement box frame of described V-arrangement trawlnet case bottom is provided with balance stem, and the first side of balance stem and V-arrangement trawlnet case is perpendicular, two second sides of described trawlnet case are from gathering entrance toward extension, and form two parallel end cap guide plates, and two end cap guide plate and balance stem perpendicular, on the relative two sides of two end cap guide plate, be respectively equipped with first and second guide groove that is parallel to each other and runs through end cap guide plate, and the first guide groove is gathering between entrance and the second guide groove, in described first and second guide groove, be slidably provided with respectively cover plate, the width of two cover plates is less than the length of the first guide groove and is more than or equal to the first guide groove length of 1/2, and two cover plate envelopes hide described collection entrance, between two cover plates and trawlnet case, be respectively equipped with automatic shutter cover plate mechanism for auto, described automatic shutter cover plate mechanism for auto comprises two push rods that parallel with the first guide groove that are arranged on cover plate side, the depression bar that is separately positioned on two push rod ends and parallels with balance stem, be separately positioned on two depression bars, and the guide rod paralleling with push rod, be set in the orienting sleeve on two guide rods and be arranged on the limited block on two guide rods, described two push rods are between two depression bars, and described trawlnet case is between two guide rods, and described two orienting sleeves are separately fixed on trawlnet case, on described two guide rods, between depression bar and orienting sleeve, are respectively equipped with and can make limited block be resisted against the back-moving spring on orienting sleeve.
The automatic shutter cover plate mechanism for auto of this programme structure can be realized and sinking to behind seabed when trawling gear, can automatically open collection entrance, thereby in trawlnet case drags process along seabed, make bottom-dwelling enter in trawlnet case by gathering entrance; When pulling rope by after the pull-up of trawlnet case, automatic shutter cover plate mechanism for auto can be closed collection entrance automatically, thereby has effectively prevented after collection, in the trawling gear problem that up the process mesobenthos of pull-up is departed from by the collection entrance of trawlnet case.
As preferably, on each depression bar, be respectively equipped with pressing plate, and pressing plate parallels with the second side of trawlnet case.Because arranging of pressing plate can further guarantee to sink to behind seabed when trawling gear, automatic shutter cover plate mechanism for auto can be opened collection entrance automatically, avoids depression bar to be absorbed in bed mud.
As preferably, the netted interlayer on two second sides of V-arrangement trawlnet case forms with the screen pack that is arranged on second gate trellis protection interlayer inner side by the second gate trellis protection interlayer being arranged on V-arrangement box frame.Because trawlnet case sinks to behind seabed; a side in two second sides two of V-arrangement trawlnet case will become the side directly contacting with seabed; thereby this programme arranges second gate trellis protection interlayer and protects screen pack on this two second side; effectively avoid trawling gear in the process dragging along seabed, screen pack is directly with seabed matrix or bed mud contacts and screen pack is worn.
As preferably, when limited block is resisted against on orienting sleeve, described push rod is positioned at and gathers entrance outside, the first guide groove length that the length of push rod equals 1/2.
As preferably, the two ends of two first guide grooves and the second guide groove are respectively equipped with depression bar and dodge breach.
As preferably, the first wheelwork comprises motor and speed reduction unit, and is provided with detent between this motor and reducer input shaft, between the rotating shaft of the output shaft of the speed reduction unit of described the first wheelwork and the first reel, by first clutch, is connected; Described the second wheelwork comprises motor and speed reduction unit, and is provided with detent between this motor and reducer input shaft, between the rotating shaft of the output shaft of the speed reduction unit of described the second wheelwork and the second reel, by described second clutch, is connected.
As preferably, the V-arrangement box frame at V-arrangement trawlnet case middle part is provided with the first grid trellis protection interlayer paralleling with balance stem, and first grid trellis protection interlayer surface is provided with screen pack, described each netted interlayer is on the V-arrangement box frame between first grid trellis protection interlayer and collection entrance, on described V-arrangement box frame, between first grid trellis protection interlayer and balance stem, be provided with the screen pack that can make first grid trellis protect on interlayer and keep unimpeded preventing clogging up device, this preventing clogging up device comprises by rotating shaft and is rotatably arranged on the cylinder on V-arrangement box frame, somely be arranged on the bristle on cylinder surface and be fixedly installed on respectively the driving wheel in the rotating shaft of cylinder both sides, described rotating shaft parallels with balance stem, described bristle radially extends along rotating shaft, and screen pack and the spacing between rotating shaft on first grid trellis protection interlayer are less than the spacing between bristle ends and rotating shaft, described two driving wheels are positioned at V-arrangement box frame outside, and circumferentially uniform by some flaps that radially extend on the surface of two driving wheels, spacing between described rotating shaft and flaps end is greater than the spacing between rotating shaft and the second side of V-arrangement trawlnet case.
At ship, drag in the process of Agassiz trawl device, the marine bottom sediment together entering in trawlnet with bottom-dwelling easily stops up the mesh of trawlnet, causes current to be difficult to through trawlnet, causes Agassiz trawl device to be difficult to gather bottom-dwelling; Thereby this programme setting can make the screen pack on first grid trellis protection interlayer keep unimpeded preventing clogging up device effect to guarantee in gathering foreign benthic process, the screen pack on first grid trellis protection interlayer keeps unimpeded, thereby effectively gathers bottom-dwelling.The V-arrangement trawlnet case of this programme is in the process dragging along seabed, flaps contacts with seabed matrix or bed mud, thereby drive driving wheel to rotate, and then drive cylinder and bristle to rotate, and because screen pack and the spacing between rotating shaft on first grid trellis protection interlayer is less than the spacing between bristle ends and rotating shaft, thereby can constantly to the screen pack on first grid trellis protection interlayer, scrub in the process of cylinder and bristle rotation, effectively guarantee in gathering foreign benthic process, screen pack on first grid trellis protection interlayer keeps unimpeded, thereby effectively gather bottom-dwelling.
The beneficial effects of the utility model are:
One, can effectively gather the bottom-dwelling perching in surface, seabed and bed mud top layer.
Its two, can effectively solve after collection, in the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
Its three, can effectively guarantee in gathering foreign benthic process in trawling gear, to have at least a part of mesh to keep unimpeded, thereby effectively gather bottom-dwelling.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the towed bottom-dwelling harvester in the utility model embodiment 1.
Fig. 2 is a kind of structural representation of the trawlnet case in the utility model embodiment 1.
Fig. 3 is that the trawlnet case in the utility model embodiment 1 is removed cover plate, a kind of structural representation after automatic shutter cover plate mechanism for auto.
Fig. 4 is that the trawlnet case in the utility model embodiment 1 drags a kind of structural representation in process in seabed.
Fig. 5 is a kind of structural representation of the trawlnet case in the utility model embodiment 2.
Fig. 6 is a kind of structural representation of a kind of Agassiz trawl device of the prior art.
In figure: trawlnet case 1, the first side 1a, the second side 1b, V-arrangement box frame 101, netted interlayer 102, second gate trellis protection interlayer 102a, first grid trellis protection interlayer 103; Pull rope 2; Mooring anchor 3, guide ring 31; Transfer rope 4; The first reel 5; The second reel 6; Cover plate 7; Automatic shutter cover plate mechanism for auto 8, push rod 81, depression bar 82, pressing plate 83, guide rod 84, limited block 841, back-moving spring 85, orienting sleeve 86; Preventing clogging up device 9, flaps 91, driving wheel 92, rotating shaft 93, cylinder 94, bristle 95; Balance stem 10; Connecting rod 11; Gather entrance 12; End cap guide plate 13; The first guide groove 14; The second guide groove 15; Depression bar is dodged breach 16; Agassiz trawl 17.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Embodiment 1: as shown in Figure 1, a kind of towed bottom-dwelling harvester comprises trawlnet case 1, and mooring anchor 3, is arranged on the winch on hull.This winch comprises vehicle frame, rotatably be arranged on the first reel 5 on vehicle frame, the second reel 6, be arranged on the first wheelwork for driving the first reel to rotate on vehicle frame, be wound on pulling on the first reel and restrict 2, be arranged on vehicle frame and restrict 4 for driving the second wheelwork of the second reel rotation and being wound on transferring on the second reel.The first wheelwork comprises motor and speed reduction unit, and is provided with detent between this motor and reducer input shaft.Between the rotating shaft of the output shaft of the speed reduction unit of the first wheelwork and the first reel, by first clutch, be connected.The second wheelwork comprises motor and speed reduction unit, and is also provided with detent between this motor and reducer input shaft.Between the rotating shaft of the output shaft of the speed reduction unit of the second wheelwork and the second reel, by first clutch, be connected.The free end that pulls rope 2 is fixed on trawlnet case 1.Mooring anchor comprises anchor fluke and anchor pole.Anchor pole top is provided with guide ring 31.The free end of transferring rope is fixed on mooring anchor, is that the free end of transferring rope is fixed on anchor pole specifically.Pull rope 2 through guide ring 31.
As shown in Figure 2 and Figure 3, trawlnet case is open-ended V-arrangement trawlnet case.The open-ended formation of V-arrangement trawlnet case gathers entrance 12.Four sides of V-arrangement trawlnet case consist of two the first side 1a that are parallel to each other and two crossing the second V-shaped side 1b.V-arrangement trawlnet case comprises that formation V-arrangement drags the netted interlayer 102 of the V-arrangement box frame 101 of Net-cage frame and four sides of formation V-arrangement trawlnet case.Netted interlayer on two second sides of V-arrangement trawlnet case forms with the screen pack that is arranged on second gate trellis protection interlayer inner side by the second gate trellis protection interlayer 102a being arranged on V-arrangement box frame.Netted interlayer on two first sides of V-arrangement trawlnet case directly consists of screen pack.
The V-arrangement box frame of V-arrangement trawlnet case bottom is provided with balance stem 10, and specifically, the bottom of trawlnet case is provided with two toward the connecting rod 11 of extension, and balance stem is fixed on two connecting rods.The first side of balance stem and V-arrangement trawlnet case is perpendicular.
Two second sides of trawlnet case are from gathering entrance toward extension, and form two parallel end cap guide plates 13, and two end cap guide plate and balance stem perpendicular.On the relative two sides of two end cap guide plate, be respectively equipped with the first guide groove 14 and the second guide groove 15 that are parallel to each other and run through end cap guide plate, and the first guide groove is gathering between entrance and the second guide groove.First and second guide groove and collection entrance place plane parallel.In first and second guide groove, be slidably provided with respectively cover plate 7.The width of two cover plates is less than the length of the first guide groove and is more than or equal to the first guide groove length of 1/2, specifically, and on two cover plates, be less than the length of the first guide groove and be more than or equal to the first guide groove length of 1/2 along the width in the first guide groove direction; The width of the cover plate in the present embodiment (along the width in the first guide groove direction) is the length 11/20 or 3/5 or 1/2 of the first guide groove.Between two cover plates and trawlnet case, be respectively equipped with automatic shutter cover plate mechanism for auto 8.
Automatic shutter cover plate mechanism for auto comprises two push rods 81 that parallel with the first guide groove that are arranged on cover plate side, the depression bar 82 that is separately positioned on two push rod ends and parallels with balance stem, the guide rod 84 that is separately positioned on two depression bars and parallels with push rod, is set in the orienting sleeve 86 on two guide rods and is arranged on the limited block 841 on two guide rods.On each depression bar, be respectively equipped with pressing plate 83.Pressing plate parallels with the second side of trawlnet case.Two push rods are positioned at the relative both sides of cover plate, and push rod is near the first side.The first guide groove length that the length of push rod equals 1/2.Two push rods are between two depression bars.The two ends of two first guide grooves and the second guide groove are respectively equipped with depression bar and dodge breach 16.Depression bar is between pressing plate and trawlnet case.Trawlnet case is between two guide rods.Two orienting sleeves are separately fixed on trawlnet case.Orienting sleeve is between limited block and depression bar, and specifically, the orienting sleeve in same automatic shutter cover plate mechanism for auto is between the limited block and depression bar of this automatic shutter cover plate mechanism for auto.On two guide rods, between depression bar and orienting sleeve, be respectively equipped with and can make limited block be resisted against the back-moving spring 85 on orienting sleeve.Two cover plate envelopes hide and gather entrance, and specifically, when limited block is resisted against on orienting sleeve, two cover plate envelopes hide and gather entrance.When limited block is resisted against on orienting sleeve, push rod is positioned at and gathers entrance outside.
The specific works process of the towed bottom-dwelling harvester of this programme when gathering bottom-dwelling comprises the following steps successively:
A: the bottom-dwelling that towed bottom-dwelling harvester is transported to appointment by ship gathers marine site;
B: first clutch is separated, and trawlnet case 1 is transferred to seabed by pulling rope 2 under its Gravitative Loads.
As Figure 1 and Figure 4, due to the effect of balance stem 10, make, when trawlnet caisson sinking is behind seabed, the state being to be as Figure 1 and Figure 4 placed in to seabed; Now, one second side in two second sides of trawlnet case will become the side directly contacting with seabed, and the pressing plate 83 of automatic shutter cover plate mechanism for auto, depression bar 82 will up be pushed a cover plate 7 of correspondence open along the first guide groove or the second guide groove by push rod 81 in this process, thus the collection entrance 12 of unlatching trawlnet case.
C: ship is along either direction craspedodrome N1 kilometer, and pulling rope 2 in this process will constantly be discharged in marine site along ship direct of travel on the first reel.
Because first clutch is separated, make the state of the first reel in freely rotating, thereby in ship driving process, pulling rope 2 will constantly be discharged in marine site on the first reel along ship direct of travel.
D: after ship craspedodrome N1 kilometer, ship stops advancing; Then second clutch is separated, and mooring anchor 3 is transferred to seabed by transferring rope under its Gravitative Loads.
As shown in Figure 1, owing to pulling rope 2 through guide ring 31, thereby transfer to behind seabed when mooring anchor, trawlnet case is very little with the angle of inclination that pulls rope between mooring anchor, roughly parallel with seabed.
E: first clutch engages, and the first reel is fixed, prevents that the first reel from rotating; Then, ship is kept straight on along the direct of travel in C step, and drives trawlnet case 1 to drag along seabed by pulling rope 2, thereby bottom-dwelling is constantly captured in trawlnet case; And transfer rope 4 in this process, will constantly on the second reel, be discharged in marine site along ship direct of travel.
The concrete operations of " the first reel being fixed; prevent that the first reel from rotating " in the E step in the present embodiment are as follows: the motor of the first wheelwork and the braking of the detent between reducer input shaft, thereby the first reel is fixed, prevented that the first reel from rotating.
Because second clutch is separated, make the state of the second reel in freely rotating, thereby in ship driving process, transferring rope 4 will constantly be discharged in marine site on the second reel along ship direct of travel, avoid transferring rope and drag mooring anchor.
Because mooring anchor 3 is fixed on seabed by guide ring 31, when ship drives in the process that trawlnet casees 1 drag along seabed by pulling rope 2, pull rope and will drag trawlnet case around guide ring like this; Thereby in the process dragging along seabed at trawlnet case, trawlnet case can not be subject to pulling rope pulling force upwards, can avoid trawlnet case easily by rope, up to be dragged the problem separated with seabed in pulling process, thereby bed mud is constantly received in casing, as shown in Figure 1.
F: when ship is advanced after N2 kilometer, and N2 is less than N1, and ship stops advancing;
Then, second clutch engages; And discharge the first reel, and remove in E step fixing to the first reel, make the first wheelwork can drive the first reel to rotate;
Follow, first and second wheelwork drives first and second reel to rotate again, and by pulling rope and transferring rope by trawlnet case, mooring anchor is mentioned.
The concrete operations of " discharging the first reel " in the F step in the present embodiment are as follows: the motor of the first wheelwork and the detent brake off between reducer input shaft, thus discharge the first reel.In addition, because N2 is less than N1, can avoids pulling rope 2 and drive in the process that trawlnet casees 1 drag along seabed, trawlnet case and mooring anchor bump.
As shown in Figure 2, when pulling rope 2 by trawlnet case 1 up after pull-up, back-moving spring 85 will drive cover plates 7 reset along the first guide groove or the second guide groove by depression bar 82 and push rod 81, until limited block 841 is resisted against on orienting sleeve; Now two cover plates again seal and hide to gather entrance, thereby have effectively prevented after collection, at trawlnet case up in the process of pull-up, due to the problem that is subject to ocean current impact bed mud is poured out by the collection entrance of trawlnet case.
On the other hand, in the process dragging along seabed due to the trawlnet case of this programme, trawlnet case keeps contacting with sea bottom surface well (the especially smooth situation of underwater topography) always; The stroke that can drag along seabed by trawlnet case 1 like this (stroke that trawlnet case 1 drags along seabed is equivalent to N2 kilometer) is calculated sampling area; Thereby after the bottom-dwelling quantity in determining trawlnet case, can calculate the biological density obtaining in unit area, thereby can do quantitative test roughly to bottom-dwelling situation.In addition, if desired further improve accuracy of quantitative analysis, can be in E step, after first clutch engages, ship is motionless, and drives the first reel to rotate by the first wheelwork, thereby drags along seabed by pulling the moving trawlnet case of rope band, and the stroke that comes accurate Calculation trawlnet case to drag along seabed by the number of turns of the first reel rotation, and then extrapolate sampling area; After bottom-dwelling quantity in determining trawlnet case, can calculate the biological density obtaining in unit area, thereby can do quantitative test to bottom-dwelling situation like this.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As described in Figure 5, the V-arrangement box frame at V-arrangement trawlnet case middle part is provided with the first grid trellis protection interlayer 103 paralleling with balance stem, and first grid trellis protection interlayer surface is provided with screen pack.Each netted interlayer 102 is on the V-arrangement box frame between first grid trellis protection interlayer and collection entrance.Netted interlayer on two second sides of V-arrangement trawlnet case forms with the screen pack that is arranged on second gate trellis protection interlayer inner side by the second gate trellis protection interlayer 102a being arranged on V-arrangement box frame.Netted interlayer on two first sides of V-arrangement trawlnet case directly consists of screen pack.On V-arrangement box frame, between first grid trellis protection interlayer and balance stem, be provided with the screen pack that can make first grid trellis protect on interlayer and keep unimpeded preventing clogging up device 9.
This preventing clogging up device comprises by rotating shaft 93 and is rotatably arranged on the cylinder 94 on V-arrangement box frame, is somely arranged on the bristle 95 on cylinder surface and is fixedly installed on respectively the driving wheel 92 in the rotating shaft of cylinder both sides.Rotating shaft parallels with balance stem.Bristle radially extends along rotating shaft, and screen pack and the spacing between rotating shaft on first grid trellis protection interlayer are less than the spacing between bristle ends and rotating shaft, be that bristle ends is resisted against on the screen pack on first grid trellis protection interlayer, or bristle ends is through the screen pack on first grid trellis protection interlayer.Two driving wheels are positioned at V-arrangement box frame outside, and circumferentially uniform by some flaps 91 that radially extend on the surface of two driving wheels.Spacing between rotating shaft and flaps end is greater than the spacing between rotating shaft and the second side of V-arrangement trawlnet case.
Claims (6)
1. a towed bottom-dwelling harvester, is characterized in that, comprises trawlnet case (1), mooring anchor (3) and be arranged on the winch on hull; This winch comprises vehicle frame, rotatably be arranged on the first reel on vehicle frame, the second reel, be arranged on the first wheelwork for driving the first reel to rotate on vehicle frame, be wound on and pull rope (2) on the first reel, be arranged on vehicle frame for driving the second wheelwork that the second reel rotates and being wound on and transfer rope (4) on the second reel; Between the rotating shaft of the output shaft of described the first wheelwork and the first reel, by first clutch, be connected; Between the rotating shaft of the output shaft of described the second wheelwork and the second reel, by second clutch, be connected; The described free end that pulls rope is fixed on trawlnet case; Described free end of transferring rope is fixed on mooring anchor, and described mooring anchor comprises anchor fluke and anchor pole, and anchor pole top is provided with guide ring (31), described in pull rope through guide ring.
2. towed bottom-dwelling harvester according to claim 1, it is characterized in that, described trawlnet case is open-ended V-arrangement trawlnet case, and the open-ended formation of V-arrangement trawlnet case gathers entrance (12), described in pull rope free end be fixed near gathering on the V-arrangement box frame of entrance, four sides of V-arrangement trawlnet case consist of two the first sides that are parallel to each other and two crossing the second V-shaped sides, and V-arrangement trawlnet case comprises that formation V-arrangement drags the netted interlayer (102) of the V-arrangement box frame (101) of Net-cage frame and four sides of formation V-arrangement trawlnet case, the V-arrangement box frame of described V-arrangement trawlnet case bottom is provided with balance stem (10), and the first side of balance stem and V-arrangement trawlnet case is perpendicular, two second sides of described trawlnet case are from gathering entrance toward extension, and form two parallel end cap guide plates (13), and two end cap guide plate and balance stem perpendicular, on the relative two sides of two end cap guide plate, be respectively equipped with first and second guide groove (14 that is parallel to each other and runs through end cap guide plate, 15), and the first guide groove is gathering between entrance and the second guide groove, in described first and second guide groove, be slidably provided with respectively cover plate (7), the width of two cover plates is less than the length of the first guide groove and is more than or equal to the first guide groove length of 1/2, and two cover plate envelopes hide described collection entrance, between two cover plates and trawlnet case, be respectively equipped with automatic shutter cover plate mechanism for auto (8), described automatic shutter cover plate mechanism for auto comprises two push rods that parallel with the first guide groove (81) that are arranged on cover plate side, the depression bar (82) that is separately positioned on two push rod ends and parallels with balance stem, be separately positioned on two depression bars, and the guide rod paralleling with push rod (84), be set in the orienting sleeve (86) on two guide rods and be arranged on the limited block (841) on two guide rods, described two push rods are between two depression bars, described trawlnet case is between two guide rods, described two orienting sleeves are fixed on trawlnet case, be respectively equipped with and can make limited block be resisted against the back-moving spring (85) on orienting sleeve on described two guide rods, between depression bar and orienting sleeve.
3. towed bottom-dwelling harvester according to claim 2, it is characterized in that, the netted interlayer on two second sides of described V-arrangement trawlnet case forms with the screen pack that is arranged on second gate trellis protection interlayer inner side by the second gate trellis protection interlayer being arranged on V-arrangement box frame.
4. according to the towed bottom-dwelling harvester described in claim 1 or 2 or 3, it is characterized in that, when limited block is resisted against on orienting sleeve, described push rod is positioned at and gathers entrance outside, and the length of push rod the first guide groove length of equaling 1/2.
5. according to the towed bottom-dwelling harvester described in claim 2 or 3, it is characterized in that, the two ends of two first guide grooves and the second guide groove are respectively equipped with depression bar and dodge breach.
6. according to the towed bottom-dwelling harvester described in claim 1 or 2 or 3, it is characterized in that, described the first wheelwork comprises motor and speed reduction unit, and between this motor and reducer input shaft, be provided with detent, between the rotating shaft of the output shaft of the speed reduction unit of described the first wheelwork and the first reel, by first clutch, be connected; Described the second wheelwork comprises motor and speed reduction unit, and is provided with detent between this motor and reducer input shaft, between the rotating shaft of the output shaft of the speed reduction unit of described the second wheelwork and the second reel, by described second clutch, is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420248344.XU CN203869889U (en) | 2014-05-14 | 2014-05-14 | Drag-and-drop type benthos collection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420248344.XU CN203869889U (en) | 2014-05-14 | 2014-05-14 | Drag-and-drop type benthos collection device |
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| CN203869889U true CN203869889U (en) | 2014-10-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089792A (en) * | 2014-05-14 | 2014-10-08 | 浙江省海洋水产研究所 | Anchored bentonic organism acquisition system and acquisition method thereof |
| CN117796368A (en) * | 2024-03-01 | 2024-04-02 | 内蒙古自治区环境监测总站呼和浩特分站 | Automatic capture equipment of benthos |
-
2014
- 2014-05-14 CN CN201420248344.XU patent/CN203869889U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089792A (en) * | 2014-05-14 | 2014-10-08 | 浙江省海洋水产研究所 | Anchored bentonic organism acquisition system and acquisition method thereof |
| CN104089792B (en) * | 2014-05-14 | 2016-05-25 | 浙江省海洋水产研究所 | A kind of sinker formula benthon acquisition system and acquisition method thereof |
| CN117796368A (en) * | 2024-03-01 | 2024-04-02 | 内蒙古自治区环境监测总站呼和浩特分站 | Automatic capture equipment of benthos |
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