CN206453003U - A kind of etting suitable for symmetrical airfoil net cage - Google Patents

A kind of etting suitable for symmetrical airfoil net cage Download PDF

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Publication number
CN206453003U
CN206453003U CN201720081036.6U CN201720081036U CN206453003U CN 206453003 U CN206453003 U CN 206453003U CN 201720081036 U CN201720081036 U CN 201720081036U CN 206453003 U CN206453003 U CN 206453003U
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CN
China
Prior art keywords
guiding principle
breeding spaces
etting
symmetrical airfoil
horizontal
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Expired - Fee Related
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CN201720081036.6U
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Chinese (zh)
Inventor
王绍敏
陶启友
刘海阳
胡昱
黄小华
郭根喜
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Abstract

The utility model discloses a kind of etting suitable for symmetrical airfoil net cage, the breeding spaces that etting is surrounded have the feature that horizontal cross-section is symmetrical airfoil, also with following characteristics:Breeding spaces are divided into the upstream breeding spaces close to symmetrical airfoil horizontal cross-section arc-shaped head side and the downstream breeding spaces close to symmetrical airfoil horizontal cross-section class V-arrangement afterbody side, the intersection of upstream breeding spaces and downstream breeding spaces is vertical interface, the vertical interface is perpendicular to the axis of symmetrical airfoil horizontal cross-section, and its maximum width of the vertical interface on symmetrical airfoil horizontal cross-section wherein axis vertical direction;Also, upstream breeding spaces and downstream breeding spaces are respectively mesa-shaped space and cylindrical space, i.e.,:The horizontal section area of upstream breeding spaces and downstream breeding spaces is respectively from top to bottom to be gradually reduced and keep constant.The utility model be avoided that etting in flow field stress and it is overlapping, make that form of the etting in flow field keeps stable and volume conservation rate is high.

Description

A kind of etting suitable for symmetrical airfoil net cage
Technical field
The utility model is related to a kind of etting suitable for symmetrical airfoil net cage.
Background technology
Chinese invention patent CN201510014514.7 discloses a kind of net cage system with symmetrical airfoil section, the net Case system is provided with the symmetrical airfoil net cage float tube framework that cross section is symmetrical airfoil so that be to hang over symmetrical airfoil net cage float tube frame Etting adaptability under frame forms the breeding spaces that cross section is symmetrical airfoil;Also, the net cage system is by symmetrical wing The leading edge locus of type net cage float tube framework as tying-up mooring hawser framework mooring point, to form single point mooring system so that The front tube section of symmetrical airfoil net cage float tube framework and to should front tube section the anterior stable state in net cage system of etting Under can turn into fluoran stream surface, reduce the fluoran stream surface product of net cage system at steady state therefore, it is possible to effective, so as to reduce net Resistance of the case system to current;Thus, the reduction of etting volumetric loss rate, the raising of mooring point safety of structure and net cage are brought Frame system is in the dynamic response that environmental load, mooring line hydrodynamic force, mooring system and moored float are between float tube framework The effect that can be improved.
As shown in Figure 1 to Figure 4, the etting that existing deep water mesh cage is used is mostly cylindricality or platform shape, for existing circular net Case, the original intention that the etting of truncated cone-shaped occurs is random not in order to meet the final Impact direction of the multipoint mooring of circular net cage, etting The characteristics of determining, allows etting preferably to keep cultivating volume.Applied on circular net cage, truncated cone-shaped etting compares cylindrical etting With some superiority, but it is not particularly suited for the constant wing net cage of Impact direction.The application characteristic of wing net cage is applied to The characteristics of Mooring Arrangements of single point mooring, single point mooring's mode, make it that the final Impact direction of net cage is constant all the time, and this is to wing The shape research of cage netting provides condition.
For the stress deformation and volume situation of change of the wing etting of column, its stress deformation figure is shown in Fig. 5 and Fig. 6, upper Trip fluoran stream surface etting drifts about into net cage so that etting volume diminishes, and in downstream, lee side etting drifts about to outside net cage, can make again Obtain etting volume increases to a certain degree;And eventually in one overlapping region of upstream fluoran stream surface formation, the etting of overlapping region In flow field can frequently by phase mutual friction, rub, eventually cause fatigue and the wear-out failure of web pre fetching.
Utility model content
Technical problem to be solved in the utility model is:A kind of etting suitable for symmetrical airfoil net cage is provided.
Above-mentioned technical problem is solved, the technical scheme that the utility model is used is as follows:
A kind of etting suitable for symmetrical airfoil net cage, the symmetrical airfoil net cage is provided with symmetrical airfoil net cage float tube frame It is connected at the top of frame, the etting on the symmetrical airfoil net cage float tube framework so that the breeding spaces that the etting is surrounded With the feature that horizontal cross-section is symmetrical airfoil, it is characterised in that:The breeding spaces that the etting is surrounded also have following characteristics: The breeding spaces are divided into close to the upstream breeding spaces of the symmetrical airfoil horizontal cross-section arc-shaped head side and close to institute State the downstream breeding spaces of symmetrical airfoil horizontal cross-section class V-arrangement afterbody side, the upstream breeding spaces and downstream breeding spaces Intersection be vertical interface, the vertical interface is and described perpendicular perpendicular to the axis of the symmetrical airfoil horizontal cross-section To its maximum width of the interface on the symmetrical airfoil horizontal cross-section wherein axis vertical direction;Also, on described Trip breeding spaces and downstream breeding spaces are respectively mesa-shaped space and cylindrical space, i.e.,:The upstream breeding spaces and downstream are supported The horizontal section area for growing space is respectively from top to bottom to be gradually reduced and keep constant.
In order to which the reliable etting of breeding spaces and Stability Analysis of Structures with preceding feature is made, as of the present utility model excellent Select embodiment:Described etting erects guiding principle by body, net bottom, top guiding principle, bottom line, at least one horizontal guiding principle and Duo Gen;The top guiding principle, institute State bottom line and the horizontal guiding principle surrounds the symmetrical airfoil horizontal cross-section and is located at the top of the breeding spaces, most bottom respectively End and medium position, and the top guiding principle, the bottom line and horizontal guiding principle in the vertical direction uniform intervals described in Ge Gen;Described in each Perpendicular guiding principle is that linear pattern erects guiding principle, and each perpendicular guiding principle is connected solid with the top guiding principle, the bottom line and each horizontal guiding principle Fixed, circumferential direction uniform intervals of tie point of each perpendicular guiding principle on the top guiding principle along the top guiding principle arrange that each is located at The perpendicular guiding principle of the downstream breeding spaces vertically extends, each perpendicular guiding principle positioned at the upstream breeding spaces and vertical side To forming slanted angle, and each described slanted angle is from the perpendicular guiding principle on the perpendicular by the axis to described The both sides uniform intervals of axis are reduced until for 0 °;The body is connected to the top guiding principle, bottom line, each horizontal guiding principle and Ge Gen and erected Guiding principle is connected on the side for the framework to be formed, and the net bottom is connected in the bottom line.
It is used as preferred embodiment of the present utility model:Spacing between the adjacent top guiding principle, bottom line and horizontal guiding principle is in 3m Below.
It is used as preferred embodiment of the present utility model:It is described to be located at upstream breeding spaces and on the perpendicular Perpendicular guiding principle slanted angle be 14 °.
Consider to combine existing etting basketry, to reduce the difficulty of processing of etting, as of the present utility model Preferred embodiment:Described body by polylith mesh sheet by body edge guiding principle suture form, the mesh sheet include trapezoidal mesh sheet and Rectangle mesh sheet, wherein, the shape of each piece of trapezoidal mesh sheet corresponds respectively to each perpendicular guiding principle positioned at the upstream breeding spaces The trapezoid area surrounded with horizontal guiding principle described in the top guiding principle, the bottom line and Ge Gen, the shape of each piece of rectangle mesh sheet is right respectively Ying Yu is located at the rectangle that each perpendicular guiding principle of the downstream breeding spaces is surrounded with horizontal guiding principle described in the top guiding principle, the bottom line and Ge Gen Region;The body is sutured with the net bottom by net bottom edge guiding principle, and the top guiding principle, bottom line, horizontal guiding principle and perpendicular guiding principle are tied up by rope On the relevant position for tying up to the body and the net bottom, wherein, each perpendicular equal tying-up of guiding principle is at corresponding adjacent two pieces Between mesh sheet.
Compared with prior art, the utility model has the advantages that:
First, the breeding spaces of etting are divided into the utility model into the upstream breeding spaces of mesa-shaped and the downstream of column is supported Grow space so that etting be located at mesa-shaped upstream breeding spaces part can be prevented effectively from etting in flow field stress and it is overlapping, most The reduction etting fatigue rupture of big degree and the degree of wear, improve the service life of etting, while the upstream breeding spaces of platform shape Form of the etting in flow field can be caused to keep more stable;Also, the downstream breeding spaces of column can then be cultivated to etting The volume conservation rate in space makes positive contribution.
Second, etting provided by the utility model constitutes structure, it can be ensured that there is the etting being made mesa-shaped upstream to support Space and column downstream breeding spaces are grown, and the etting Stability Analysis of Structures being made is reliable.
3rd, body provided by the utility model constitutes structure, combines existing etting basketry and considers, can Reduce the difficulty of processing of etting.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
The front view for the cylindricality etting that Fig. 1 is used for symmetrical airfoil net cage in the prior art;
Fig. 2 is Fig. 1 top view;
The front view for the platform shape etting that Fig. 3 is used for symmetrical airfoil net cage in the prior art;
Fig. 4 is Fig. 3 vertical view;
Top view of the cylindricality etting that Fig. 5 is used for symmetrical airfoil net cage in the prior art in water flow field;
Schematic perspective view of the cylindricality etting that Fig. 6 is used for symmetrical airfoil net cage in the prior art in water flow field;
Fig. 7 is the front view of etting of the present utility model;
Fig. 8 is Fig. 7 top view;
Fig. 9 is schematic perspective view of the etting of the present utility model in compilation process.
Embodiment
As shown in Figure 7 and Figure 8, the utility model discloses a kind of etting suitable for symmetrical airfoil net cage, wherein, it is right Claim aerofoil profile net cage to be provided with the top of symmetrical airfoil net cage float tube framework, etting to be connected on symmetrical airfoil net cage float tube framework, make The breeding spaces that surround of etting have the feature that horizontal cross-section is symmetrical airfoil, inventive concept of the present utility model is:So that The breeding spaces that etting is surrounded also have following characteristics:Breeding spaces are divided into close to symmetrical airfoil horizontal cross-section arc-shaped head one The upstream breeding spaces R1 of the side and downstream breeding spaces R2 close to symmetrical airfoil horizontal cross-section class V-arrangement afterbody side, upstream is supported The intersection for growing space R1 and downstream breeding spaces R2 is vertical interface S1, and the vertical interface S1 is perpendicular to symmetrical airfoil water The axis L1 of plane section, and vertical interface S1 be located at symmetrical airfoil horizontal cross-section wherein in axis L1 vertical direction most At big width;Also, upstream breeding spaces R1 and downstream breeding spaces R2 are respectively mesa-shaped space and cylindrical space, i.e.,:Upstream Breeding spaces R1 and downstream breeding spaces R2 horizontal section area are respectively from top to bottom to be gradually reduced and keep constant.
Based on foregoing invention design, the operation principle of etting of the present utility model is:
Because symmetrical airfoil net cage uses the Mooring Arrangements of single point mooring, and it is used as the framework mooring point of tying-up mooring hawser Positioned at the leading edge locus of symmetrical airfoil net cage float tube framework so that the drainage direction of etting of the present utility model in use V is always the arc-shaped head by symmetrical airfoil horizontal cross-section to the direction of V-arrangement afterbody.And the utility model is empty by the cultivation of etting Between be divided into the upstream breeding spaces R1 of mesa-shaped and the downstream breeding spaces R2 of column so that etting is located at mesa-shaped upstream and cultivates empty Between R1 part can be prevented effectively from etting in flow field stress and it is overlapping, farthest reduction etting fatigue rupture with abrasion journey Degree, improves the service life of etting, while the upstream breeding spaces R1 of platform shape can cause form of the etting in flow field to keep more For stabilization;Also, the downstream breeding spaces R2 of column then can make positive tribute to the volume conservation rate of etting breeding spaces Offer.
On the basis of foregoing invention design, the utility model uses following preferred structure:
In order to which the reliable etting of breeding spaces and Stability Analysis of Structures with preceding feature is made, to improve etting in current stream Stability in, above-mentioned etting erects guiding principle 6 by body 1, net bottom 2, top guiding principle 3, bottom line 4, at least one horizontal guiding principle 5 and Duo Gen;Push up guiding principle 3rd, bottom line 4 and horizontal guiding principle 5 surround symmetrical airfoil horizontal cross-section and are located at top, lowermost end and the middle position of breeding spaces respectively Put, and push up between guiding principle 3, bottom line 4 and the horizontal in the vertical direction uniform intervals of guiding principle 5 of Ge Gen, adjacent top guiding principle 3, bottom line 4 and horizontal guiding principle 5 Spacing in below 3m;Each perpendicular guiding principle 6 is that linear pattern erects guiding principle, and each perpendicular guiding principle 6 is with pushing up guiding principle 3, bottom line 4 and each horizontal stroke Guiding principle 5 is connected, circumferential direction uniform intervals arrangement of tie point of each perpendicular guiding principle 6 on the guiding principle 3 of top along top guiding principle 3, and each is located at Downstream breeding spaces R2 perpendicular guiding principle 6 vertically extends, each perpendicular guiding principle 6 and vertical direction positioned at upstream breeding spaces R1 Slanted angle is formed, and each slanted angle is from the perpendicular guiding principle 6 on the perpendicular by axis L1 to axis L1's Both sides uniform intervals are reduced until for 0 °;Body 1 is connected to top guiding principle 3, bottom line 4, the perpendicular connection of guiding principle 6 formation of each horizontal guiding principle 5 and Ge Gen Framework side on, net bottom 2 is connected in bottom line 4.Wherein, it is perpendicular positioned at upstream breeding spaces R1 and on perpendicular The slanted angle of guiding principle 6 is preferably 14 °;In the application, a counterweight 8 is hung by the lower end system of each perpendicular guiding principle 6.
Referring to Fig. 9, consider to combine existing etting basketry, to reduce the difficulty of processing of etting, above-mentioned body 1 Sutured and formed by body edge guiding principle 7 by polylith mesh sheet, mesh sheet includes trapezoidal mesh sheet 11 and rectangle mesh sheet 12, wherein, each piece is trapezoidal The shape of mesh sheet 11 corresponds respectively to enclose with top guiding principle 3, bottom line 4 and the horizontal guiding principles 5 of Ge Gen positioned at upstream breeding spaces R1 each perpendicular guiding principle 6 Into trapezoid area, the shape of each piece of rectangle mesh sheet 12 corresponds respectively to each perpendicular guiding principle 6 and top positioned at downstream breeding spaces R2 The rectangular area that guiding principle 3, bottom line 4 and the horizontal guiding principles 5 of Ge Gen are surrounded;Body 1 and net bottom 2 are sutured by net bottom edge guiding principle, top guiding principle 3, bottom line 4, Horizontal guiding principle 5 and perpendicular guiding principle 6 by rope tying-up on the relevant position of body 1 and net bottom 2, wherein, each equal tying-up of perpendicular guiding principle 6 exists Between corresponding adjacent two pieces of mesh sheet.Wherein, in order to be adapted to the size of netting that existing netting machine weaves, mesh sheet is preferred to use 100 meshes.
The utility model is not limited to above-mentioned embodiment, according to the above, according to the ordinary skill of this area Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model can also be made The equivalent modifications of other diversified forms, replace or change, all fall among protection domain of the present utility model.

Claims (5)

1. a kind of etting suitable for symmetrical airfoil net cage, the symmetrical airfoil net cage is provided with symmetrical airfoil net cage float tube framework, It is connected at the top of the etting on the symmetrical airfoil net cage float tube framework so that the breeding spaces that the etting is surrounded have Horizontal cross-section is the feature of symmetrical airfoil, it is characterised in that:The breeding spaces that the etting is surrounded also have following characteristics:It is described Breeding spaces are divided into close to the upstream breeding spaces (R1) of the symmetrical airfoil horizontal cross-section arc-shaped head side and close to institute State the downstream breeding spaces (R2) of symmetrical airfoil horizontal cross-section class V-arrangement afterbody side, the upstream breeding spaces (R1) and downstream The intersection of breeding spaces (R2) is vertical interface (S1), and the vertical interface (S1) is cut perpendicular to the symmetrical airfoil level The axis (L1) in face, and axis (L1) is vertical wherein positioned at the symmetrical airfoil horizontal cross-section for the vertical interface (S1) Its maximum width on direction;Also, the upstream breeding spaces (R1) and downstream breeding spaces (R2) are respectively mesa-shaped space And cylindrical space, i.e.,:The horizontal section area of the upstream breeding spaces (R1) and downstream breeding spaces (R2) is from top to bottom divided It Wei not be gradually reduced and keep and be constant.
2. etting according to claim 1, it is characterised in that:Described etting by body (1), net bottom (2), top guiding principle (3), Bottom line (4), at least one horizontal guiding principle (5) and many perpendicular guiding principles (6);The top guiding principle (3), the bottom line (4) and the horizontal guiding principle (5) enclose It is located at into the symmetrical airfoil horizontal cross-section and respectively top, lowermost end and the medium position of the breeding spaces, and it is described Push up guiding principle (3), the bottom line (4) and each horizontal guiding principle (5) the in the vertical direction uniform intervals;The each perpendicular guiding principle (6) is Guiding principle is erected for linear pattern, each perpendicular guiding principle (6) pushes up guiding principle (3), the bottom line (4) and each horizontal guiding principle (5) with described It is connected, between circumferential direction of tie point of each perpendicular guiding principle (6) on the top guiding principle (3) along the top guiding principle (3) is uniform Every arrangement, each perpendicular guiding principle (6) for being located at the downstream breeding spaces (R2) vertically extends, and each is located at the upstream The perpendicular guiding principle (6) of breeding spaces (R1) and vertical direction formation slanted angle, and each described slanted angle is by positioned at by described Perpendicular guiding principle (6) on the perpendicular of axis (L1) is reduced to the both sides uniform intervals of the axis (L1) until for 0 °;Institute State the side that body (1) is connected to the framework that the top guiding principle (3), bottom line (4), each horizontal guiding principle (5) and each perpendicular guiding principle (6) connection are formed On face, the net bottom (2) is connected in the bottom line (4).
3. etting according to claim 2, it is characterised in that:The adjacent top guiding principle (3), bottom line (4) and horizontal guiding principle (5) it Between spacing in below 3m.
4. etting according to claim 2, it is characterised in that:It is described to be located at upstream breeding spaces (R1) and positioned at described perpendicular The slanted angle of perpendicular guiding principle (6) in straight plane is 14 °.
5. the etting according to claim 2 to 4 any one, it is characterised in that:Described body (1) is led to by polylith mesh sheet Cross body edge guiding principle (7) suture to form, the mesh sheet includes trapezoidal mesh sheet (11) and rectangle mesh sheet (12), wherein, each piece of ladder The shape of shape mesh sheet (11) correspond respectively to each perpendicular guiding principle (6) positioned at the upstream breeding spaces (R1) and the top guiding principle (3), The trapezoid area that the bottom line (4) and each horizontal guiding principle (5) surround, the shape of each piece of rectangle mesh sheet (12) is corresponded to respectively In each perpendicular guiding principle (6) positioned at the downstream breeding spaces (R2) and the top guiding principle (3), the bottom line (4) and each horizontal stroke The rectangular area that guiding principle (5) is surrounded;The body (1) is sutured with the net bottom (2) by net bottom edge guiding principle, the top guiding principle (3), bottom line (4), horizontal guiding principle (5) and perpendicular guiding principle (6) by rope tying-up on the relevant position of the body (1) and the net bottom (2), its In, each perpendicular guiding principle (6) tying-up is between corresponding adjacent two pieces of mesh sheet.
CN201720081036.6U 2017-01-22 2017-01-22 A kind of etting suitable for symmetrical airfoil net cage Expired - Fee Related CN206453003U (en)

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