CN203860274U - Trawling device for collecting marine benthos - Google Patents
Trawling device for collecting marine benthos Download PDFInfo
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- CN203860274U CN203860274U CN201420228936.5U CN201420228936U CN203860274U CN 203860274 U CN203860274 U CN 203860274U CN 201420228936 U CN201420228936 U CN 201420228936U CN 203860274 U CN203860274 U CN 203860274U
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- jointed shaft
- balancing pole
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- trawling
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Abstract
The utility model discloses a trawling device for collecting marine benthos, and aims at providing a trawling device which can effectively collect benthos which inhabit on the ocean bottom or in sediment surfaces. The trawling device for collecting the marine benthos comprises a dragging rope, a trawling box, a balance rod and a balance weight lever, wherein the trawling box comprises a V-shaped box body, openings are arranged on the end portions of the V-shaped box body, the V-shaped box body comprises a V-shaped box body frame and mesh barriers which are arranged on the four side surfaces of the V-shaped box body, the balance rod is arranged on the V-shaped box body frame which is close to the bottom side of the V-shaped box body, a mounting plate is arranged in the middle of the openings which are arranged on the end portions of the V-shaped box body, collecting inlets of the trawling box are respectively formed on the openings which are arranged end portions of the V-shaped box body, end covers which respectively seal the two collecting inlets are respectively arranged on the two relative sides of the mounting plate, and automatic open-close end cover mechanisms which are used to open and close the end covers are respectively arranged between the two end covers and the V-shaped box body. A transitional connection rod is arranged in the middle of the mounting plate, and one end of the balance weight lever is hinged on the end portion of the transitional connection rod through a second hinged shaft.
Description
Technical field
The utility model relates to a kind of trawling gear, is specifically related to the trawling gear of the collection marine benthos 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 bottom sediment quantity is on the increase, and badly influences benthic community composition and the biomass of existence in the matrix of seabed; Therefore, come into one's own gradually for investigation, the research of marine benthos.
Conventionally the device adopting while gathering marine benthos is at present " Agassiz trawl device ", in actual trawl gatherer process, normally Agassiz trawl device is directly hung on the gun wale that lies in investigation ship by two ropes, ship drags Agassiz trawl device and carries out benthic acquisition operations by inquiry.Current Agassiz trawl device has the following disadvantages in the time gathering marine benthos: one, drag in the process of Agassiz trawl device at ship, because rope drags Agassiz trawl device obliquely, make Agassiz trawl device be subject to pulling force obliquely, thereby Agassiz trawl device often easily up dragged by rope, make Agassiz trawl device be positioned at top, seabed; Cause Agassiz trawl device to gather and perch the benthon 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 of up pull-up, benthon in Agassiz trawl is easily subject to ocean current and water currents, causes the benthon in Agassiz trawl to be departed from by the port of Agassiz trawl device.Its three, drag in the process of Agassiz trawl device at ship, together enter Kia bottom sediment in trawlnet with benthon and easily the mesh of trawlnet stopped up, cause current to be difficult to through trawlnet, cause Agassiz trawl device to be difficult to gather benthon.
For example, China Patent Publication No. CN201179967, in open day on January 14th, 2009, the name of innovation and creation is called Ah's trawlnet underwater operation loss prevention device, and it comprises Ah's trawling gear, ball float, cotton rope composition.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 up to have been dragged by rope in the foreign benthic process of collection in order to overcome Agassiz trawl device of the prior art, cause Agassiz trawl device to be difficult to effectively gather the benthic problem of perching in surface, seabed or bed mud top layer, provide a kind of and can effectively gather the trawling gear of perching the benthic collection marine benthos in surface, seabed or 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 the benthon in Agassiz trawl to be departed from by the port of Agassiz trawl device, provide one effectively to have prevented after collection, at the trawling gear of the collection marine benthos of the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
Three object of the utility model on first, second object basis is in order to overcome Agassiz trawl device of the prior art in the foreign benthic process of collection, the mesh of trawlnet is easily blocked, cause Agassiz trawl device to be difficult to effectively gather benthic problem, provide one can effectively ensure in the foreign benthic process of collection, in trawling gear, have at least a part of mesh to keep unimpeded, thereby effectively gather the trawling gear of benthic collection marine benthos.
The technical solution of the utility model is:
A kind of trawling gear that gathers marine benthos comprises and pulls rope, trawlnet case, balancing pole and weight linear meter, described trawlnet case comprises open-ended V-arrangement casing, V-arrangement casing is made up of V-arrangement box frame and the netted interlayer that is arranged on four sides of V-arrangement casing, described balancing pole is arranged on the V-arrangement box frame near V-arrangement casing base, and balancing pole parallels with V-arrangement casing base; The open-ended middle part of described V-arrangement casing is provided with installing plate, the V-arrangement casing end opening part of these installing plate both sides forms respectively the collection entrance of trawlnet case, the relative dual-side place of described installing plate is respectively equipped with the end cap of envelope screening two collection entrances, two end cap is hinged on installing plate by the first jointed shaft respectively, and the first jointed shaft parallels with balancing pole; Between two end cap and V-arrangement casing, be respectively equipped with the automatic shutter end cover mechanism for opening and closing end cap; Described installing plate middle part is provided with transition connecting rod, and one end of described weight linear meter is hinged on transition connecting rod end by the second jointed shaft, and the second jointed shaft parallels with balancing pole; The described end that pulls rope is fixed on the other end of weight linear meter.
This programme passes through balancing pole, the mating reaction of transition connecting rod and weight linear meter, in dragging the process of trawling gear, ship offsets rope pulling force obliquely by weight linear meter, effectively avoid dragging trawling gear in the process of trawling gear at ship and easily up dragged by rope, make Agassiz trawl device be positioned at the problem of top, seabed; Ensure 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.
On the other hand, be respectively equipped with end cap because two of this programme trawling gear gathers entrance, drag along seabed at trawling gear, gather end cap in benthic process and open, benthon is entered in trawlnet case by gathering entrance; And complete in the process that gathers also up pull-up at trawling gear, can seal by end cap and hide two collection entrances, thereby effectively prevent after collection, in the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
As preferably, automatic shutter end cover mechanism comprises and being fixedly installed on end cap, and the 3rd jointed shaft of close the first jointed shaft, be hinged on stressed plate and the connecting rod on V-arrangement box frame by the 4th jointed shaft, the the described the 3rd and the 4th jointed shaft parallels with the first jointed shaft, and the 4th jointed shaft is positioned on V-arrangement casing side and near end cap, described stressed plate parallels with balancing pole, the end of stressed plate is also provided with the 5th jointed shaft paralleling with the first jointed shaft, one end of described connecting rod is hinged on the 3rd jointed shaft, the other end is hinged on the 5th jointed shaft, and connecting rod V-arrangement casing outside, when stressed plate is in the time that the 4th jointed shaft rotates and be resisted against on the side of V-arrangement casing, end cap will rotarily open collection entrance around the first jointed shaft, after pulling rope trawlnet case is mentioned, described end cap will gather entrance around the first jointed shaft rotary closing.
The automatic shutter end cover mechanism of this programme can be realized and sinking to behind seabed when trawling gear, automatic shutter end cover mechanism is opened two end cap automatically, thereby in the process dragging along seabed at trawling gear, benthon is entered in trawlnet case by gathering entrance, realize benthic collection; And complete in the process that gathers also up pull-up at trawling gear, automatic shutter end cover mechanism can be closed end cap, thereby envelope hides two and gathers entrance, has effectively prevented after collection, in the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
As preferably, the V-arrangement box frame at V-arrangement casing middle part is provided with the first grid trellis protection interlayer paralleling with balancing pole, 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 V-arrangement casing upper port, on described V-arrangement box frame, between first grid trellis protection interlayer and balancing pole, 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 balancing pole, described bristle radially extends along rotating shaft, and the screen pack on first grid trellis protection interlayer and the spacing between rotating shaft 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.
The trawling gear of this programme is in the process dragging along seabed, driving wheel will drive cylinder and bristle to rotate under its flaps effect, and because the screen pack on first grid trellis protection interlayer and the spacing between rotating shaft are less than the spacing between bristle ends and rotating shaft, thereby can constantly scrub the screen pack on first grid trellis protection interlayer in the process of cylinder and bristle rotation, effectively ensure in the foreign benthic process of collection, screen pack on first grid trellis protection interlayer keeps unimpeded, thereby effectively gathers benthon.
As preferably, the spacing between rotating shaft and flaps end is greater than the spacing between rotating shaft and V-arrangement casing side.This programme structure ensures that trawling gear is in the process dragging along seabed, and flaps can contact with seabed matrix or bed mud, thereby drives driving wheel to rotate, and then drives cylinder and bristle to rotate.
As preferably, the netted interlayer on the two sides of the V-arrangement casing paralleling on V-arrangement casing, with balancing pole 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; On V-arrangement casing, in addition the netted interlayer of two sides is directly made up of screen pack.Because trawling gear sinks to behind seabed; a side in the two sides of the V-arrangement casing paralleling with balancing pole on V-arrangement casing will become the side directly contacting with seabed; thereby this programme arranges second gate trellis protection interlayer and protects screen pack on these two sides; 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, installing plate is rectangular, and installing plate parallels with balancing pole.
The beneficial effects of the utility model are:
One, can effectively gather the benthon perching in surface, seabed or 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 ensure, gathering in foreign benthic process, in trawling gear, to have at least a part of mesh to keep unimpeded, thereby effectively gather benthon.
Brief description of the drawings
Fig. 1 is a kind of structural representation of a kind of trawling gear that gathers marine benthos of the present utility model.
Fig. 2 is that a kind of trawling gear that gathers marine benthos of the present utility model drags a kind of structural representation in process in seabed.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of trawling gear that gathers marine benthos comprises and pulls rope 13, trawlnet case, balancing pole 7 and weight linear meter 12.Trawlnet case comprises open-ended V-arrangement casing 4.V-arrangement casing is made up of V-arrangement box frame 41 and the netted interlayer 42 that is arranged on four sides of V-arrangement casing.Balancing pole is arranged on the V-arrangement box frame near V-arrangement casing base, and balancing pole parallels with V-arrangement casing base.Both sides two faces in four sides of V-arrangement casing are parallel to each other, and these two sides and balancing pole perpendicular; Two other side is crossing to be in the shape of the letter V, and these two sides parallel with balancing pole.The V-arrangement box frame at V-arrangement casing middle part is provided with the first grid trellis protection interlayer 5 paralleling with balancing pole, and first grid trellis protection interlayer surface is provided with screen pack.First grid trellis protection interlayer parallels with V-arrangement casing upper port.Each netted interlayer 42 is on the V-arrangement box frame between first grid trellis protection interlayer and V-arrangement casing upper port.Netted interlayer on the two sides of the V-arrangement casing paralleling on V-arrangement casing, with balancing pole forms with the screen pack that is arranged on second gate trellis protection interlayer inner side by the second gate trellis protection interlayer 8 being arranged on V-arrangement box frame.On V-arrangement casing, in addition the netted interlayer of two sides is directly made up of screen pack.
On V-arrangement box frame 41, between first grid trellis protection interlayer and balancing pole, be provided with the screen pack that can make first grid trellis protect on interlayer and keep unimpeded preventing clogging up device 6.This preventing clogging up device comprises by rotating shaft 63 and is rotatably arranged on the cylinder 64 on V-arrangement box frame, is somely arranged on the bristle 65 on cylinder surface and is fixedly installed on respectively the driving wheel 62 in the rotating shaft of cylinder both sides.Rotating shaft parallels with balancing pole.Bristle radially extends along rotating shaft, and the screen pack on first grid trellis protection interlayer and the spacing between rotating shaft 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 61 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 V-arrangement casing side.
The open-ended middle part of V-arrangement casing 4 is provided with installing plate 1.Installing plate is rectangular, and installing plate parallels with balancing pole.The V-arrangement casing end opening part of these installing plate both sides forms respectively the collection entrance of trawlnet case.The relative dual-side place of installing plate is respectively equipped with the end cap 3 of envelope screening two collection entrances.Two end cap is hinged on installing plate by the first jointed shaft 2 respectively, and the first jointed shaft parallels with balancing pole.Between two end cap and V-arrangement casing, be respectively equipped with the automatic shutter end cover mechanism 9 for opening and closing end cap.Automatic shutter end cover mechanism comprises and is fixedly installed on end cap, and near the 3rd jointed shaft 91 of the first jointed shaft, is hinged on stressed plate 93 and the connecting rod 94 on V-arrangement box frame by the 4th jointed shaft 92.The the 3rd and the 4th jointed shaft parallels with the first jointed shaft, and the 4th jointed shaft is positioned on V-arrangement casing side and near end cap.Stressed plate parallels with balancing pole.The end of stressed plate is also provided with the 5th jointed shaft 95 paralleling with the first jointed shaft.One end of connecting rod is hinged on the 3rd jointed shaft, and the other end is hinged on the 5th jointed shaft, and connecting rod V-arrangement casing outside.
When stressed plate is in the time that the 4th jointed shaft rotates and be resisted against on the side of V-arrangement casing, end cap will rotarily open collection entrance around the first jointed shaft.After pulling rope trawlnet case is mentioned, described end cap will gather entrance around the first jointed shaft rotary closing.
Installing plate middle part is provided with transition connecting rod 10.Transition connecting rod and installing plate are perpendicular, and the length of transition connecting rod is greater than on end cap along the first jointed shaft distance in the radial direction.One end of weight linear meter is hinged on transition connecting rod end by the second jointed shaft 11, and the second jointed shaft parallels with balancing pole.The end that pulls rope 13 is fixed on the other end of weight linear meter.
The specific works process of the trawling gear of collection marine benthos of the present utility model is as follows:
First, by pulling rope, trawling gear is transferred to seabed, due to the effect of balancing pole, make, when trawlnet caisson sinking is behind seabed, the state being to be as shown in Figure 2 placed in to seabed; Now, a side in the two sides of the V-arrangement casing paralleling with balancing pole on V-arrangement casing will become the side directly contacting with seabed, and stressed plate will rotate around the 4th jointed shaft and be resisted against on the side of V-arrangement casing, thereby the connecting rod by automatic shutter end cover mechanism backs down end cap, end cap rotarily opens collection entrance around the first jointed shaft.
Then, drag trawling gear by ship, and in dragging the process of trawling gear, ship offsets rope pulling force obliquely by weight linear meter, effectively avoid dragging trawling gear in the process of trawling gear at ship and easily up dragged by rope, make Agassiz trawl device be positioned at the problem of top, seabed; Ensure 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.
On the other hand, trawling gear is in the process dragging along seabed, driving wheel will drive cylinder and bristle to rotate under its flaps effect, thereby constantly the screen pack on first grid trellis protection interlayer is scrubbed, effectively ensure in the foreign benthic process of collection, screen pack on first grid trellis protection interlayer keeps unimpeded, thereby effectively gathers benthon.
Follow again, when trawling gear completes after collection, by rope by up pull-up of trawling gear; As shown in Figure 1, at trawling gear up in the process of pull-up, under Gravitative Loads due to end cap and stressed plate, end cap will hide two around the first jointed shaft rotary seal and gather entrance, thereby effectively prevent after collection, in the trawling gear problem that up the process mesobenthos of pull-up is departed from by the port of trawling gear.
Claims (7)
1. one kind gathers the trawling gear of marine benthos, it is characterized in that, comprise and pull rope (13), trawlnet case, balancing pole (7) and weight linear meter (12), described trawlnet case comprises open-ended V-arrangement casing (4), V-arrangement casing is made up of V-arrangement box frame (41) and the netted interlayer (42) that is arranged on four sides of V-arrangement casing, and described balancing pole is arranged on the V-arrangement box frame near V-arrangement casing base, and balancing pole parallels with V-arrangement casing base; The open-ended middle part of described V-arrangement casing is provided with installing plate (1), the V-arrangement casing end opening part of these installing plate both sides forms respectively the collection entrance of trawlnet case, the relative dual-side place of described installing plate is respectively equipped with the end cap (3) of envelope screening two collection entrances, two end cap is hinged on installing plate by the first jointed shaft (2) respectively, and the first jointed shaft parallels with balancing pole; Between two end cap and V-arrangement casing, be respectively equipped with the automatic shutter end cover mechanism for opening and closing end cap; Described installing plate middle part is provided with transition connecting rod (10), and one end of described weight linear meter is hinged on transition connecting rod end by the second jointed shaft (11), and the second jointed shaft parallels with balancing pole; The described end that pulls rope is fixed on the other end of weight linear meter.
2. a kind of trawling gear that gathers marine benthos according to claim 1, it is characterized in that, described automatic shutter end cover mechanism (9) comprises and being fixedly installed on end cap, and the 3rd jointed shaft (91) of close the first jointed shaft, be hinged on stressed plate (93) and the connecting rod (94) on V-arrangement box frame by the 4th jointed shaft (92), the the described the 3rd and the 4th jointed shaft parallels with the first jointed shaft, and the 4th jointed shaft is positioned on V-arrangement casing side and near end cap, described stressed plate parallels with balancing pole, the end of stressed plate is also provided with the 5th jointed shaft (95) paralleling with the first jointed shaft, one end of described connecting rod is hinged on the 3rd jointed shaft, the other end is hinged on the 5th jointed shaft, and connecting rod V-arrangement casing outside.
3. a kind of trawling gear that gathers marine benthos according to claim 2, is characterized in that, when stressed plate is in the time that the 4th jointed shaft rotates and be resisted against on the side of V-arrangement casing, end cap will rotarily open collection entrance around the first jointed shaft; After pulling rope trawlnet case is mentioned, described end cap will gather entrance around the first jointed shaft rotary closing.
4. according to a kind of trawling gear that gathers marine benthos described in claim 1 or 2 or 3, it is characterized in that, the V-arrangement box frame at described V-arrangement casing middle part is provided with the first grid trellis protection interlayer (5) paralleling with balancing pole, 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 V-arrangement casing upper port, on described V-arrangement box frame, between first grid trellis protection interlayer and balancing pole, be provided with the screen pack that can make first grid trellis protect on interlayer and keep unimpeded preventing clogging up device (6), this preventing clogging up device comprises by rotating shaft (63) and is rotatably arranged on the cylinder (64) on V-arrangement box frame, somely be arranged on the bristle (65) on cylinder surface and be fixedly installed on respectively the driving wheel (62) in the rotating shaft of cylinder both sides, described rotating shaft parallels with balancing pole, described bristle radially extends along rotating shaft, and the screen pack on first grid trellis protection interlayer and the spacing between rotating shaft 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 (61) that radially extend on the surface of two driving wheels.
5. a kind of trawling gear that gathers marine benthos according to claim 4, is characterized in that, the spacing between described rotating shaft and flaps end is greater than the spacing between rotating shaft and V-arrangement casing side.
6. a kind of trawling gear that gathers marine benthos according to claim 4, it is characterized in that, the netted interlayer on the two sides of the V-arrangement casing paralleling on V-arrangement casing, with balancing pole 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; On V-arrangement casing, in addition the netted interlayer of two sides is directly made up of screen pack.
7. according to a kind of trawling gear that gathers marine benthos described in claim 1 or 2 or 3, it is characterized in that, described installing plate is rectangular, and installing plate parallels with balancing pole.
Priority Applications (1)
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CN201420228936.5U CN203860274U (en) | 2014-05-06 | 2014-05-06 | Trawling device for collecting marine benthos |
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CN201420228936.5U CN203860274U (en) | 2014-05-06 | 2014-05-06 | Trawling device for collecting marine benthos |
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CN201420228936.5U Expired - Fee Related CN203860274U (en) | 2014-05-06 | 2014-05-06 | Trawling device for collecting marine benthos |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107296018A (en) * | 2017-08-24 | 2017-10-27 | 国家海洋局第二海洋研究所 | Benthon collector and harvester |
CN109287577A (en) * | 2018-08-14 | 2019-02-01 | 浙江省海洋水产研究所 | It is a kind of to obtain benthic device and method |
CN112535158A (en) * | 2020-11-23 | 2021-03-23 | 浙江省海洋水产研究所 | Marine benthos collection system |
CN115199863A (en) * | 2022-08-19 | 2022-10-18 | 中国石油大学(北京) | Multifunctional submarine pipeline protection device |
-
2014
- 2014-05-06 CN CN201420228936.5U patent/CN203860274U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107296018A (en) * | 2017-08-24 | 2017-10-27 | 国家海洋局第二海洋研究所 | Benthon collector and harvester |
CN109287577A (en) * | 2018-08-14 | 2019-02-01 | 浙江省海洋水产研究所 | It is a kind of to obtain benthic device and method |
CN112535158A (en) * | 2020-11-23 | 2021-03-23 | 浙江省海洋水产研究所 | Marine benthos collection system |
CN115199863A (en) * | 2022-08-19 | 2022-10-18 | 中国石油大学(北京) | Multifunctional submarine pipeline protection device |
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Granted publication date: 20141008 Termination date: 20180506 |