CN204272923U - Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave - Google Patents
Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave Download PDFInfo
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- CN204272923U CN204272923U CN201420521060.3U CN201420521060U CN204272923U CN 204272923 U CN204272923 U CN 204272923U CN 201420521060 U CN201420521060 U CN 201420521060U CN 204272923 U CN204272923 U CN 204272923U
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- 238000013016 damping Methods 0.000 title claims abstract description 37
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- 230000001488 breeding effect Effects 0.000 claims abstract description 4
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- 241001481833 Coryphaena hippurus Species 0.000 claims description 2
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- 230000009471 action Effects 0.000 description 2
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- 238000004873 anchoring Methods 0.000 description 2
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- 229920000915 polyvinyl chloride Polymers 0.000 description 2
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- 241001125840 Coryphaenidae Species 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Revetment (AREA)
Abstract
Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, it is characterized in that truss one section steel plate or composite material skin, close into permanent buoyancy housing assembly and variable buoyancy compartment, permanent buoyancy housing assembly and variable buoyancy compartment submerge, buoyancy > 1.3 net buoyancy that order produces, variable buoyancy compartment is provided with into/draining pipe valve and import/exhaust pipe valve, hang slotting balance the anti-of buoyancy more than needed bottom truss and sink to the bottom shoe heavy concrete ballast carrier, formation can rise and fall truss-like buoyancy post, in truss-like buoyancy post appropriate location, fasten upper and lower two main push-towing rope ropes and a mooring line, breeding net clothing is articulated on main push-towing rope rope up and down, in the column bottom stretch-draw of truss-like buoyancy, damping is anti-swings plate, multi-functional conversion block is connected with hawser in the middle of adjacent upright posts, it is a novel net cage being applicable to the open sea area of ocean current comparatively suddenly and without shield, distinctive band damping is anti-swings plate design, significant to the modern mariculture of ecological, environmental protective civilization.
Description
Technical field
Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, it is a kind of novel net cage being applicable to the open sea area of ocean current comparatively suddenly and without shield, distinctive band damping is anti-swings plate design, significant to the modern mariculture of ecological, environmental protective civilization, this technology belongs to ocean engineering field.
Background technology
Cage culture is the pith of marine economy, the gravity type net box (being called for short HDPE) that the hdpe pipe introduced by Norway at present makes develops rapidly, in the yellow Bohai Sea, the East Sea, the South Sea, has a large amount of raiser to use, although this net cage is by arranging note/drainpipe, can certain depth be sunken to before typhoon, evade the wave stroke of waterline, but still have following fatal defect from this net cage of practice:
1. be not suitable with the impact of ocean current, just may deform when current speed only reaches 0.257m/s according to observations, when flow velocity reaches 1m/s, body is held in loss 80% cage culture, so just lose a large amount of culture resources.
2., because this kind of net cage of above-mentioned reason can only use at right up and down inner bay, because raiser swarms in this narrow and small inner bay, cause water quality in gulf very severe, even stinking smell assaulting one's nostrils, fish poor quality, fish disease is many, and a most valuable line seascape is lost in coastal city.This just forces local government in order to city development, has to go by force to drive inner bay cage culture family, but the technical support because not having open waters to use, this just makes raiser be in very difficult condition.
3. although net cage supporting member is made circular, its loading characteristic is still similar to a pipeline, bent flat i.e. unstability remains one of principal mode of its destruction, in August, 2013 typhoon " especially " blow Yangjiang, Guangdong, local net cage is caused to be annihilated, with Lingao, Hainan fish culture net cage in by the end of September, 2011, at typhoon " Ni Ge " attack the lower entire PLA and destroy and be not both, in the better situation of net cage anchoring mooring, present unstable failure under the rotation action of ocean current that Net-cage frame causes at typhoon, its damage-form is as casing " turn round fried dough twist ".
From the cage culture of analysis development open waters, need the limitation breaking through HDPE net cage, seek a kind of safety, reliably, Anti-Typhoon, be applicable to ocean current comparatively urgency and the novel net cage without the open sea area of shield, the utilization of resources in vast marine site is got up.According to domestic and international existing experience and theory analysis, the net cage improved route first element should be replace current HDPE structure by flexible structure, and avoid unstable failure, it is good that the second cage structure should choose hydrodynamic performances, the version that capacity of anti-storm is strong.Offshore oil only pillar platform (English SPAR by name) is exactly desirable version, play a great role in the nearly halfth century alive boundary marine petroleum development of this structure, structural shape is also by the only post of the tubular of first generation classics, develop into current second generation truss-like cylindricality platform, it is reported that the latter saves 50% steel than the former.According to known ocean engineering knowledge, truss-like cylindricality platform has following features:
A. structure centre of buoyancy is upper, center of gravity under, have permanent stability and unconditionally balance, this is the roly-poly principle that people know.
B. structure buoyancy is much larger than dead-weight balanced buoyancy, as shown in Figure 1, the buoyancy compartment of enough large buoyancy couples together with the ballast being positioned at the enough large ballast of column bottom, after the two is in poised state, therebetween just tension force is created, assuming that wind, wave, the horizontal force produced under flowing common action, it makes buoyancy aid generation depart from, if horizontal force produces the tilting complex torque of up time Needles, buoyancy then produces inverse time Needles righting moment, and the two is just in time reverse, and namely buoyancy can make it get back to equalization point by acting in opposition, thus realize dynamic equilibrium, the principle of compliant type anchoring that Here it is.
Application ocean engineering is ripe, reliably, only pillar platform technology of extensive successful Application, four only pillar platform cable up and downs are formed box-shaped by imagination, then hanging up etting, is not exactly a safety, reliably, Anti-Typhoon, be applicable to the novel net cage in the open sea area of ocean current comparatively suddenly and without shield? invention just develops according to such thinking.
Researched and developed by inventor herein, the patent that oneself is authorized " air bag regulates buoyancy can with the flexible structure tension leg type deep water mesh cage of fluctuation in stage heave " patent No. ZL201320623481.2 applies offshore oil only pillar platform structure feature the earliest, i.e. post stability---adopt and regulate the large cylinder of buoyancy to make supporting structure, and adopt flexible scheme, be formed by connecting up and down by cable.Researched and developed by inventor herein, another patent that oneself is authorized " can with the tension leg type deep water mesh cage of fluctuation in stage heave " patent No. 201320095246.2 is international at home first proposed the scheme that damping prevents swinging plate, this environmental protection for breeding water body is extremely significant, because, the Dung of cultivation fish just and residual bait drop on that damping is anti-swings on plate, mud face can not be fallen into and roll up pollution source, but be converted into other fish and species nutrient, also can reduce net cage mountain peak ripple simultaneously, reduce net cage breakage risk.
As the only pillar platform of offshore oil (English SPAR by name); structural shape is by the only post of the tubular of first generation classics; develop into current second generation truss-like cylindricality platform; the same significantly to reduce costs, the utility model selects truss-like buoyancy post as the supporting structure of net cage, because cost can reduce; thus have more promotional value; become and march deep-sea, benefit fisherman, the reliable equipment of protection of the environment.
Referenced patent document
[1] " can with the tension leg type deep water mesh cage of fluctuation in stage heave " patent No. 201320095246.2 inventor: ancient country dimension patentee: ancient country ties up
[2] " air bag regulates buoyancy can with the flexible structure tension leg type deep water mesh cage of fluctuation in stage heave " patent No. ZL201320623481.2 inventor: ancient country dimension patentee: ancient country ties up
[3] " deep water anchor strut " patent No.: ZL201320616701.9 inventor: ancient country dimension patentee: ancient country ties up
Summary of the invention
In order to seek a kind of safety, reliably, Anti-Typhoon, be applicable to the novel net cage in the open sea area of ocean current comparatively suddenly and without shield, it is good that the utility model chooses hydrodynamic performances, the only pillar platform of the offshore oil that capacity of anti-storm is strong (English SPAR by name) version, by integrating original patent achievement, and be integrated into some new designs, make it more perfect, the technical solution of the utility model and principle thereof are:
1, first with the airtight typical truss of steel pipe manufacturing one Pin, this truss is preferably three column forms, truss one section steel plate or composite material skin, close into permanent buoyant tank and variable buoyancy compartment, permanent buoyant tank and variable buoyancy compartment submerge, buoyancy > 1.3 net buoyancy that order produces, variable buoyancy compartment is provided with into/draining pipe valve and import/exhaust pipe valve, hang slotting balance the anti-of buoyancy more than needed bottom truss and sink to the bottom shoe heavy concrete ballast carrier, form truss-like buoyancy post, buoyancy post exposure water surface elevation is different according to instructions for use, for more than 0.5m to 1.0m, truss-like buoyancy post fastens upper and lower two main push-towing rope ropes and a mooring line, another hawser for connecting conversion block is also fastened below upper main push-towing rope rope, another hawser or the float tube of preventing swinging plate for stretch-draw damping is then fastened below lower main push-towing rope rope, mooring line other end is connected on basis, breeding net clothing is articulated on main push-towing rope rope up and down.
2. being with damping to prevent swinging plate can the flexible net cage of truss-like buoyancy post of Sui fluctuation in stage heave, and structural arrangement form is 4 post 1 casees, 6 post 2 casees, and 9 post 4 casees, are square or rectangular, and it just provides the simple combination of 4 post 1 box-shaped formulas of drawings in detail in fact.
3. in the stretch-draw of truss-like buoyancy column bottom, damping is anti-swings plate, damping is anti-swings plate bottom etting, 1.5m is not less than bottom distance etting, damping is anti-swings plate composite material skin or curtain, damping is prevented swinging the buoyant mass of establishing the polyurethane foaming body of perforate in the middle of plate, and damping is anti-swings plate stretch-draw on hawser or float tube.
4. connects multi-functional conversion block with hawser in the middle of adjacent truss formula buoyancy post, conversion block is equiped with railing, mooring dolphin, enter/draining pipe valve and import/exhaust pipe valve, anti-ly scrape Touch roller bearing and hanger.
The utility model has the advantages that the offshore oil absorbed only pillar platform hydrodynamic performances is good, the advantage that capacity of anti-storm is strong, incorporate the original multinomial patent achievement of the present inventor, and be integrated into new design, make novel net cage more perfect, more reasonable structure, safety is better, structurelessness destabilization problems, workable, there is the reliable mechanism evading typhoon, be beneficial to and construct large-scale or super large net cage at low cost, the waters of this net cage adaptation simultaneously scope is large, there is international pioneering environment-friendly function, to become and march deep-sea, benefit fisherman, the reliable equipment of protection of the environment.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle schematic diagram;
Fig. 2 is vertical structure schematic diagram, describes structural elements and vertically arranges;
Fig. 3 is truss-like buoyancy rod structure axonometric three-dimensional view, describes truss-like buoyancy post and net cage hawser and mooring line relation especially;
Fig. 4 is the truss space structure schematic diagram of truss-like buoyancy post;
Fig. 5 is permanent buoyancy housing assembly and variable buoyancy compartment structure axonometric three-dimensional view, describes the structure of cabin body;
Fig. 6 is permanent buoyancy housing assembly and variable buoyancy compartment plane reinforcing ring structural representation, describes the layout of reinforcing ring inner support bar;
Fig. 7 is permanent buoyancy housing assembly and variable buoyancy compartment plane reinforcing ring structure axonometric three-dimensional view, describes the layout of reinforcing ring inner support bar;
Fig. 8 is multi-functional conversion block structure axonometric three-dimensional view, describes especially and hawser flexible connecting method;
Fig. 9 is that the anti-plate structure of swinging of damping arranges schematic diagram;
Figure 10 is that the anti-plate that swings of damping connects axonometric three-dimensional view, describes float tube and column and damping especially and prevents swinging plate flexible connecting method;
Figure 11 is that damping is prevented swinging plate central authorities floating block axonometric three-dimensional view;
Figure 12 be variable buoyancy compartment enter/draining pipe valve and import/exhaust pipe valve structure arrange schematic diagram.
Wherein: 1 truss assembly, 101 columns, 102 center stand column, bar is contacted between 103 columns, bar is contacted between 104 columns and center stand column, 105 braces, paddle hole bottom 106 center stand column, 2 permanent buoyancy housing assemblies, 201 plane reinforcing rings, 202 vertically contact bar reinforcement, 203 end face shroudings, 204 central dividing plates, 205 bottom surface shroudings, 206 plane reinforcing ring support bars, 3 variable buoyancy compartment, 4 prevent sinking to the bottom shoe heavy concrete ballast carrier, main push-towing rope rope on 5, 6 with multi-functional conversion block connection cable, 601 with multi-functional conversion block connection cable termination connecting ring, 7 multi-functional conversion block assemblies, 701 multi-functional conversion block steel casings, 702 multi-functional conversion block steel casing demarcation strips, 703 polyvinyl chloride or polyurethane foaming body, 704 rail posts, 705 railing ropes, 706 enter/draining pipe valve, 707 import/exhaust pipe valves, 708 Roll axle beds, 709 Roll axles, 710 mooring dolphins, 711 hangers, 712 hanger stiffeners, 713 connect short cable, 8 times main push-towing rope ropes, 9 float tubes, 10 mooring lines, 11 variable buoyancy compartment are with entering/draining pipe valve, 12 variable buoyancy compartment import/exhaust pipe valve, 13 dampings are anti-swings plate assembly, 1301 dampings are anti-swings plate (composite material skin or curtain), the anti-plate that swings of 1302 dampings connects keyhole, 1303 drawknot ropes, 1304 dampings are anti-swings plate floating block, 1305 dampings are anti-swings the perforate of plate floating block, 14 float tube drawknot cables.
Embodiment
Complete band damping by land and prevent that swinging plate can build with the large parts of the flexible net cage two of the truss-like buoyancy post of fluctuation in stage heave, one is the truss-like buoyancy post of net cage, two is annexes, basis is finite form not, it is commercial prod that damping prevents swinging the composite material skin of plate assembly 13 or curtain etc., need not carefully state here.
It is conventional steel construction operation that truss assembly 1 makes, without special feature or operation difficult point, but because being marine engineering, more building process should be strictly observed, Material selec-tion should select the steel that solderability is good, welding link should have perfect welding procedure, weld seam detection program, welding personnel should hold qualified welder's certificate, forbids without card or rank deficient personnel welding.
Variable buoyancy compartment has strict seal request, feasible measure should be had to ensure, mainly do central dividing plate 204 well, and the welding of bottom surface shrouding 205, should make leakage test after completion, method is that gas injection pipe valve side connects manometer, sees that manometer is with or without pressure drop toward variable buoyancy compartment gas injection.
Prevent sinking to the bottom shoe heavy concrete ballast carrier 4, heavy aggregate armored concrete ramming can be adopted according to actual conditions, heavy aggregate refers to that quality is greater than granitic iron ore, the materials such as scrap iron block, because ballast carrier 4 is heavier, should prefabricated after install again before going to sea, for this reason, truss upright-column 101 in position cuts, and the connecting plate and two ends are burn-on, with bolt connects after even going up barge before going to sea again.
Another is Fig. 3, Fig. 5, shown permanent buoyant tank, and the multi-functional conversion block shown in Fig. 8, filling polyvinyl chloride or polyurethane foaming body, and its operation also routinizes, and has special machinery and raw material to sell.
The anticorrosion of structure has kinds of schemes available; if do not dealt with strengthening corrosion allowance; be coated with spray corrosion resistant coating; install sacrificial anode or cathode protection additional, user is to the actual conditions of seawater corrosion undue worries for the utility model foundation, permanent buoyancy housing assembly 2 and variable buoyancy compartment 3; be designed to smooth shell; to be wound around the glass fibre being soaked with deployed curing agent, it is made composite skin, thoroughly remove the sorrow of corrosion.But adopt which kind of Project for Corrosion Protection, should be determined according to service life and input cost by owner.
Entering Attention problems embodiment is:
First first complete basis at pre-Dinghai District to install, the basis red ball float of top tying mark is to the water surface.Owing to being flexible structure, transportation by driving can be piled up or lighter on-the-spot, lower water rear column 101 is namely upright, and four posts are moved to set point, is guided by red ball float by diver, fasten mooring line 10, finally hanging up etting, by the note/drainage arrangement leveling of variable buoyancy compartment, should be appropriate to inject fresh water in this stage, water consumption is little theoretically, because four intercolumniations do not have large difference.Find out from above, this ocean platform high column structure Attention problems advantage is fairly obvious, it is reported the plateform system of certain this type of company external, have in 48 hours and install and the record of coming into operation, list referenced patent document in, I oneself be authorized patent " deep water anchor strut " patent No.: ZL20132 0616701.9 done this to introduce more in detail.
Claims (4)
1. being with damping to prevent swinging plate can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, it is characterized in that truss one section steel plate or composite material skin, close into permanent buoyancy housing assembly and variable buoyancy compartment, permanent buoyancy housing assembly and variable buoyancy compartment submerge, buoyancy > 1.3 net buoyancy that order produces, variable buoyancy compartment is provided with into/draining pipe valve and import/exhaust pipe valve, hang slotting balance the anti-of buoyancy more than needed bottom truss and sink to the bottom shoe heavy concrete ballast carrier, form truss-like buoyancy post, buoyancy post exposure water surface elevation is different according to instructions for use, for more than 0.5m to 1.0m, truss-like buoyancy post fastens upper and lower two main push-towing rope ropes and a mooring line, another hawser for connecting conversion block is also fastened below upper main push-towing rope rope, another hawser or the float tube of preventing swinging plate assembly for stretch-draw damping is then fastened below lower main push-towing rope rope, mooring line other end is connected on basis, breeding net clothing is articulated on main push-towing rope rope up and down.
2. band damping according to claim 1 prevents that swinging plate with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, can is characterized in that structural arrangement form is 4 post 1 casees, 6 post 2 casees, 9 post 4 casees, be square or rectangular, 6 post 2 casees, 9 posts 4 casees are the simple combination of 4 post 1 box-shaped formulas.
3. band damping according to claim 1 prevent swinging plate can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, it is characterized in that in the column bottom stretch-draw of truss-like buoyancy, damping is prevented swinging plate, damping is anti-swings plate bottom etting, 1.5m is not less than bottom distance etting, damping is anti-swings plate composite material skin or curtain, damping is prevented swinging the buoyant mass of establishing the polyurethane foaming body of perforate in the middle of plate, and damping is anti-swings plate stretch-draw on hawser or float tube.
4. band damping according to claim 1 prevent swinging plate can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave, it is characterized in that connecting multi-functional conversion block with hawser in the middle of adjacent truss formula buoyancy post, conversion block is equiped with railing, mooring dolphin, enter/draining pipe valve and import/exhaust pipe valve, anti-scratching roller bearing and hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521060.3U CN204272923U (en) | 2014-09-10 | 2014-09-10 | Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521060.3U CN204272923U (en) | 2014-09-10 | 2014-09-10 | Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave |
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| Publication Number | Publication Date |
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| CN204272923U true CN204272923U (en) | 2015-04-22 |
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| CN201420521060.3U Expired - Fee Related CN204272923U (en) | 2014-09-10 | 2014-09-10 | Preventing swinging plate with damping can with the flexible net cage of the truss-like buoyancy post of fluctuation in stage heave |
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| CN (1) | CN204272923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
| CN114375885A (en) * | 2022-02-08 | 2022-04-22 | 中国水产科学研究院南海水产研究所 | Installation and debugging method for large-scale aquaculture fishery netting with ship-shaped truss structure |
-
2014
- 2014-09-10 CN CN201420521060.3U patent/CN204272923U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
| CN114375885A (en) * | 2022-02-08 | 2022-04-22 | 中国水产科学研究院南海水产研究所 | Installation and debugging method for large-scale aquaculture fishery netting with ship-shaped truss structure |
| CN114375885B (en) * | 2022-02-08 | 2022-10-11 | 中国水产科学研究院南海水产研究所 | Method for installing and debugging netting of large-scale aquaculture fishery with ship-shaped truss structure |
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