CN105736227B - A kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band - Google Patents

A kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band Download PDF

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CN105736227B
CN105736227B CN201610072231.2A CN201610072231A CN105736227B CN 105736227 B CN105736227 B CN 105736227B CN 201610072231 A CN201610072231 A CN 201610072231A CN 105736227 B CN105736227 B CN 105736227B
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spiral vane
chain
chain spiral
class
cone hub
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CN105736227A (en
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阚阚
郑源
付士凤
何中伟
陈会向
芦月
陈荣杰
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Hohai University HHU
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Hohai University HHU
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The present invention relates to a kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band, including main shaft, cabinet, thrust bearing, shaft coupling, generator, frame, base, water guide cone, supported respectively with frame and base below the cabinet；Characterized in that, also include chain spiral vane, the class cone hub in immersion torrent stream, the seal closure in the chain helix shape of two dimension；The generator is coupled by shaft coupling and main shaft with class cone hub, in main shaft and class cone hub junction, seal closure is set, cabinet afterbody on rear side of class cone hub sets water guide cone, and the chain spiral vane stretches to form spatial warping shape and be uniformly set on the periphery of class cone hub by thrust bearing with the axial gradual change along class cone hub is uniform speed rotation.Present invention substantially reduces hydraulic friction collision, entrance head loss is reduced, the ocean shoal of fish problem such as is passed through so as to improve hydraulic turbine capacitation effect and solve well.

Description

A kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band
Technical field
The invention belongs to hydraulic turbine technical field of power generation, more particularly to a kind of trunnion axis tide of the chain spiral vane of band Stream can the hydraulic turbine.
Background technology
In the last few years, as marine resources and maritime rights and interests are increasingly concerned, exploration of the mankind for marine tidal-current energy and open Hair is little by little heating up, important component of the marine tidal-current energy as ocean energy, has predictability, power density is big and energy is steady Outstanding advantages of determining, utilization receive much concern.
The exploitation of marine tidal-current energy is concentrated mainly on technical field of power generation, and tidal current energy water turbine is its core energy conversion dress Put.According to textural classification, existing tidal current energy water turbine mainly has the trunnion axis hydraulic turbine, horizontal shaft water-turbine and vibration hydrofoil, These tidal current energy water turbines cut both ways, and trunnion axis hydraulic turbine Technical comparing is ripe, and capacitation efficiency is higher, but loss of going off course is tight Weight；Horizontal shaft water-turbine is although simple in construction, for ease of maintenaince conserves, but also there is the problem of self-starting is difficult, efficiency is low；Shake The research for swinging hydrofoil is started late, and is also in the exploratory stage.Meanwhile the vibration and noise of these hydraulic turbines is big, to fish, cephalopodium The marine environment that the marine organisms such as class are depended on for existence has a certain degree of influence and destroyed.Come from the patented technology announced Seeing, also cannot be introduced into the practical stage because foregoing deficiency be present.
Chinese patent application 201210556394.X discloses " combined type tidal current energy vertical shaft water turbine ", although the program Outside H types, the structure of internal S types are employed, has the advantages that fast startability, stability are preferable, but because of blade vertical axis side To arrangement so that overall efficiency is relatively low, and has considerable influence to marine organisms.The disclosure of Chinese patent application 201310291232.2 " a kind of variable marine tidal-current energy capacitation hydraulic turbine of blade posture ", arc shaped blade is arranged in main shaft by the program by on-link mode (OLM) On, blade posture is variable, and stability of period is preferable, but because its structure is excessively complicated, economy is poor, without practical value.
In summary, how overcome the deficiencies in the prior art has turned into urgently to be resolved hurrily in modern water turbine technical field of power generation One of emphasis problem.
The content of the invention
The purpose of the present invention is to overcome the shortcomings of to provide a kind of band chain spiral vane present in prior art The horizontal axis tidal current energy hydraulic turbine, the hydraulic turbine of the invention have dexterously used the chain spiral shape in the chain helix shape of two dimension Blade, stretch to form spatial warping shape and be uniformly set at the outer of class cone hub with the axial gradual change along class cone hub Uniform speed rotation is on week, greatly reduces hydraulic friction collision, entrance head loss is reduced, so as to improve the hydraulic turbine Capacitation effect and solving well makes the ocean shoal of fish problem such as pass through.
According to a kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention, including main shaft, machine Case, thrust bearing, shaft coupling, generator, frame, base, water guide cone, the cabinet lower section are supported with frame and base respectively； Characterized in that, also include the chain spiral vane in the chain helix shape of two dimension, the class taper cone pulley in immersion torrent stream Hub, seal closure；The generator is coupled by shaft coupling and main shaft with class cone hub, in main shaft and class cone hub junction Seal closure is set, and the cabinet afterbody on rear side of class cone hub sets water guide cone, and the chain spiral vane passes through thrust axis Hold and the periphery to form spatial warping shape and be uniformly set at class cone hub is stretched with the axial gradual change along class cone hub On；Key point on section Curve of wing under axially different distance of the chain spiral vane on class cone hub periphery Coordinate represent that X and Y represent the space coordinates of key point on the Curve of wing of chain spiral vane section respectively as follows It is worth, the parameter at the leading edge axial direction 55cm of distance-like cone hub is referring to table 1：
Table 1
Sequence number X Y Sequence number X Y
1 34.951 -5.220 11 32.947 -11.081
2 38.823 -5.907 12 36.608 -12.313
3 42.696 -6.587 13 40.269 -13.544
4 46.571 -7.260 14 43.929 -14.775
5 50.446 -7.928 15 47.590 -16.006
6 54.322 -8.593 16 51.251 -17.238
7 58.199 -9.253 17 54.912 -18.469
8 62.076 -9.912 18 58.573 -19.700
9 65.953 -10.568 19 62.233 -20.931
10 69.831 -11.222 20 65.894 -22.163
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane：Y=0.0011x2-0.2253x+1.6783；
The right string of chain spiral vane：Y=-0.3354x-0.0114；
Parameter at the leading edge axial direction 110cm of distance-like cone hub is referring to table 2:
Table 2
Sequence number X Y Sequence number X Y
1 -45.826 75.281 11 -35.120 79.780
2 -43.305 71.081 12 -33.169 75.348
3 -40.786 66.879 13 -31.218 70.916
4 -38.268 62.677 14 -29.266 66.483
5 -35.753 58.473 15 -27.315 62.051
6 -33.241 54.268 16 -25.364 57.619
7 -30.732 50.060 17 -23.413 53.187
8 -28.228 45.850 18 -21.462 48.754
9 -25.729 41.636 19 -19.511 44.322
10 -23.237 37.419 20 -17.560 39.890
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane：Y=-0.0001x3-0.0054x2-1.8462x-3.3769；
The right string of chain spiral vane：Y=-2.2714x+0.0025；
Parameter at the leading edge axial direction 165cm of distance-like cone hub is referring to table 3:
Table 3
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane：Y=0.003x2-1.7248x+3.2307；
The right string of chain spiral vane：Y=-2.0113x+0.0056；
Parameter at the leading edge axial direction 220cm of distance-like cone hub is referring to table 4：
Table 4
Sequence number X Y Sequence number X Y
1 53.398 31.466 11 55.976 25.840
2 59.388 34.871 12 62.195 28.711
3 65.375 38.283 13 68.415 31.582
4 71.357 41.700 14 74.634 34.453
5 77.338 45.121 15 80.854 37.324
6 83.316 48.546 16 87.073 40.195
7 89.293 51.974 17 93.293 43.066
8 95.268 55.405 18 99.512 45.937
9 101.243 58.837 19 105.732 48.808
10 107.216 62.271 20 111.951 51.679
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane：Y=0.0005x2+0.5337x+1.887；
The right string of chain spiral vane：Y=0.4614x+0.0029；
Parameter at the leading edge axial direction 290cm of distance-like cone hub is referring to table 5：
Table 5
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=-0.0003x2-0.273x-1.7077；
The right string of chain spiral vane (1)：Y=-0.328x+0.0011.
The present invention realization principle be：The hydraulic turbine of the present invention has dexterously used the company in the chain helix shape of two dimension Spiral vane is locked, stretches to form spatial warping shape and be uniformly set at class taper with the axial gradual change along class cone hub On the periphery of wheel hub, when trend flows through the hydraulic turbine of the present invention, trend particle is then done along with streaming chain spiral vane Uniform speed rotation, hydraulic friction collision is greatly reduced, entrance head loss is reduced, so as to improve hydraulic turbine capacitation work( Effect；Wherein, class cone hub can be arranged to different ratio of height to diameters according to tidal current speed difference, in the chain helix shape of two dimension Chain spiral vane can be arranged to different pitch according to tidal current speed difference and adjust spatial warping degree；Greatly ensure The stability that runner rotates；Rotated after external force suffered by chain spiral vane, and then drive main shaft rotation, then by torque Pass to the generating set being attached thereto to generate electricity, marine tidal-current energy is converted into electric energy.
Its remarkable advantage is the present invention compared with prior art：
First, chain spiral vane of the invention is in the chain helix shape of two dimension, with along the axial direction of class cone hub Gradual change, which stretches to form spatial warping shape and be uniformly set on the periphery of class cone hub, is uniform speed rotation, subtracts significantly Hydraulic friction collision is lacked, entrance head loss has been reduced, so as to improve hydraulic turbine capacitation effect；
Second, class cone hub of the invention in chain spiral vane (1) inner edge dimensional interlocking helix around The class cone shape that axial-rotation is formed, with chain spiral vane with synergy is merged, not only substantially reduce the hydraulic turbine The vibration and noise of unit, and can pass through the ocean shoal of fish, the fish efficiently solved present in prior art are difficult In migrating, the marine eco-environment damaged and the problem of tidal current energy water turbine and marine organisms are difficult to coexist.
3rd, hydraulic turbine structure of the invention has filled up the blank of the art, and it efficiently solves prior art The difficult problem of existing self-starting, and class cone hub can be arranged to different ratio of height to diameters according to tidal current speed difference, even The cross sectional shape of lock spiral vane can be in symmetrical airfoil type or asymmetric airfoil type, this with class cone hub and chain spiral Thrust caused by the collaboration matching of shape blade, can obtain more marine tidal-current energies.
4th, hydraulic turbine structure stability of the invention is good, the effective time is long and efficiency high, can be used as prior art Upgraded product, suitable for substitute this area using marine tidal-current energy generate electricity the various hydraulic turbines.
Brief description of the drawings
Fig. 1 is that a kind of structure section view of the horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention is shown It is intended to.
Fig. 2 is a kind of body profile knot of the horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention Structure schematic diagram.
Fig. 3 is the chain helix schematic diagram of chain spiral vane proposed by the present invention.
Fig. 4 is a kind of runner outer shape knot of the horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention Structure schematic diagram.
Fig. 5 is the outline structural diagram of the chain spiral vane of list proposed by the present invention.
Fig. 6 is the outline structural diagram of doubly-linked lock spiral vane combination proposed by the present invention.
Fig. 7 is the axially distinct position schematic cross-section of chain spiral vane proposed by the present invention.
Fig. 8 is that chain spiral vane section molded line shows at distance-like cone hub leading edge axial direction 55cm proposed by the present invention It is intended to.
Fig. 9 is chain spiral vane section molded line at distance-like cone hub leading edge axial direction 110cm proposed by the present invention Schematic diagram.
Figure 10 is chain spiral vane section molded line at distance-like cone hub leading edge axial direction 165cm proposed by the present invention Schematic diagram.
Figure 11 is chain spiral vane section molded line at distance-like cone hub leading edge axial direction 220cm proposed by the present invention Schematic diagram.
Figure 12 is chain spiral vane section molded line at distance-like cone hub leading edge axial direction 290cm proposed by the present invention Schematic diagram.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.
With reference to Fig. 1-3, a kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention, including master Axle (3), cabinet (5), thrust bearing (6), shaft coupling (7), generator (8), frame (9), base (10), water guide cone (11), institute State and supported respectively with frame (9) and base (10) below cabinet (5)；Also include the chain spiral in the chain helix shape of two dimension Shape blade (1), the class cone hub (2) immersed in torrent stream, seal closure (4)；The generator (8) by shaft coupling (7) and Main shaft (3) couples with class cone hub (2), sets seal closure (4) in main shaft (3) and class cone hub (2) junction, is bored in class Cabinet (5) afterbody on rear side of shape wheel hub (2) sets water guide cone (11), and the chain spiral vane (1) passes through thrust bearing (6) Stretched with the axial gradual change along class cone hub (2) and to form spatial warping shape and be uniformly set at class cone hub (2) On periphery.
With reference to Fig. 4-12, chain spiral vane (1) of the present invention is axially different on class cone hub (2) periphery The coordinate of key point represents as follows on section Curve of wing under, and X and Y represent chain spiral vane respectively (1) on the Curve of wing of section key point spatial value, the parameter ginseng at the leading edge axial direction 55cm of distance-like cone hub (2) It is shown in Table 1：
Table 1
Sequence number X Y Sequence number X Y
1 34.951 -5.220 11 32.947 -11.081
2 38.823 -5.907 12 36.608 -12.313
3 42.696 -6.587 13 40.269 -13.544
4 46.571 -7.260 14 43.929 -14.775
5 50.446 -7.928 15 47.590 -16.006
6 54.322 -8.593 16 51.251 -17.238
7 58.199 -9.253 17 54.912 -18.469
8 62.076 -9.912 18 58.573 -19.700
9 65.953 -10.568 19 62.233 -20.931
10 69.831 -11.222 20 65.894 -22.163
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.0011x2-0.2253x+1.6783；
The right string of chain spiral vane (1)：Y=-0.3354x-0.0114；
Parameter at the leading edge axial direction 110cm of distance-like cone hub (2) is referring to table 2:
Table 2
Sequence number X Y Sequence number X Y
1 -45.826 75.281 11 -35.120 79.780
2 -43.305 71.081 12 -33.169 75.348
3 -40.786 66.879 13 -31.218 70.916
4 -38.268 62.677 14 -29.266 66.483
5 -35.753 58.473 15 -27.315 62.051
6 -33.241 54.268 16 -25.364 57.619
7 -30.732 50.060 17 -23.413 53.187
8 -28.228 45.850 18 -21.462 48.754
9 -25.729 41.636 19 -19.511 44.322
10 -23.237 37.419 20 -17.560 39.890
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=-0.0001x3-0.0054x2-1.8462x-3.3769；
The right string of chain spiral vane (1)：Y=-2.2714x+0.0025；
Parameter at the leading edge axial direction 165cm of distance-like cone hub (2) is referring to table 3:
Table 3
Sequence number X Y Sequence number X Y
1 30.382 -47.191 11 24.831 -49.929
2 33.669 -52.495 12 27.590 -55.477
3 36.962 -57.795 13 30.349 -61.024
4 40.261 -63.091 14 33.108 -66.572
5 43.564 -68.385 15 35.867 -72.120
6 46.871 -73.677 16 38.626 -77.667
7 50.180 -78.967 17 41.386 -83.215
8 53.492 -84.255 18 44.145 -88.763
9 56.806 -89.543 19 46.904 -94.310
10 60.121 -94.829 20 49.663 -99.858
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.003x2-1.7248x+3.2307；
The right string of chain spiral vane (1)：Y=-2.0113x+0.0056；
Parameter at the leading edge axial direction 220cm of distance-like cone hub (2) is referring to table 4：
Table 4
Sequence number X Y Sequence number X Y
1 53.398 31.466 11 55.976 25.840
2 59.388 34.871 12 62.195 28.711
3 65.375 38.283 13 68.415 31.582
4 71.357 41.700 14 74.634 34.453
5 77.338 45.121 15 80.854 37.324
6 83.316 48.546 16 87.073 40.195
7 89.293 51.974 17 93.293 43.066
8 95.268 55.405 18 99.512 45.937
9 101.243 58.837 19 105.732 48.808
10 107.216 62.271 20 111.951 51.679
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.0005x2+0.5337x+1.887；
The right string of chain spiral vane (1)：Y=0.4614x+0.0029；
Parameter at the leading edge axial direction 290cm of distance-like cone hub (2) is referring to table 5：
Table 5
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=-0.0003x2-0.273x-1.7077；
The right string of chain spiral vane (1)：Y=-0.328x+0.0011.
A kind of further preferred side of the horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention Case is：
The quantity of chain spiral vane (1) of the present invention is 1 to 5 piece；The section of the chain spiral vane (1) Shape is in symmetrical airfoil type or asymmetric airfoil type；The pitch of the chain spiral vane (1) is 20~40 centimetres；The class The height of cone hub (2) is 3 with diameter ratio:1~5:1；The height of the water guide cone (11) is 1 with diameter ratio:1~2: 5；The coordinate of key point represents as follows on the periphery curve in the mistake rotary shaft section of the class cone hub (2), X and Z The spatial value of key point on the periphery curve in the mistake rotary shaft section of class cone hub (2), design parameter ginseng are represented respectively It is shown in Table 6：
Table 6
Sequence number X Z Sequence number X Z
1 0.0000 0.0000 11 -72.0000 300.0000
2 21.1078 25.8459 12 -67.7113 265.3424
3 31.9181 59.0301 13 -63.1372 230.7214
4 40.0684 92.9837 14 -58.2120 196.1487
5 46.8766 127.2343 15 -52.8410 161.6426
6 52.8410 161.6425 16 -46.8767 127.2343
7 58.2120 196.1487 17 -40.0684 92.9837
8 63.1372 230.7214 18 -31.9180 59.0301
9 67.7112 265.3425 19 -21.1078 25.8459
10 72.0000 300.0000 20 0.0000 0.0000
A kind of Application Example of the horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band proposed by the present invention is as follows：
Using one kind proposed by the present invention with chain under the conditions of using the marine tidal-current energy flow velocity of coastal region as 1m/s~2.1m/s Exemplified by the horizontal axis tidal current energy hydraulic turbine of spiral vane：
The design of embodiment 1 is identical with the technical solution of the present invention, the design parameter of its critical piece It is disclosed directly below：
The quantity of the chain spiral vane (1) of the present invention is 2 pieces；The cross sectional shape of chain rotation shape blade (1) is selected Symmetrical airfoil type；The height of chain spiral vane (1) is 310cm, maximum gauge 200cm, minimum pitch 85cm, pitch Gradual change ratio is 5:6；The height of class cone hub (2) is 310cm, maximum gauge 105cm；The height of the water guide cone (11) is 180cm, a diameter of 105cm.
The design of embodiment 2 is identical with the technical solution of the present invention, the design parameter of its critical piece It is disclosed directly below：
The quantity of the chain spiral vane (1) of the present invention is 1 piece；The cross sectional shape selection of chain spiral vane (1) Asymmetric airfoil type；The height of chain spiral vane (1) is 320cm, maximum gauge 205cm, minimum pitch 85cm, spiral shell It is 5 away from gradual change ratio:6；The height of class cone hub (2) is 320cm, maximum gauge 105cm；The height of the water guide cone (11) For 190cm, a diameter of 105cm.
The design of embodiment 3 is identical with the technical solution of the present invention, the design parameter of its critical piece It is disclosed directly below：
The quantity to chain rotation shape blade (1) of the present invention is 5 pieces；The cross sectional shape of chain rotation shape blade (1) is selected Symmetrical airfoil type；Height to chain rotation shape blade (1) is 320cm, maximum gauge 185cm, minimum pitch 90cm, pitch Gradual change ratio is 5:6；The height of class cone hub (2) is 320cm, maximum gauge 105cm；The height of the water guide cone (11) is 160cm, a diameter of 105cm.
The present invention concrete application process be：The runner of the present invention include chain spiral vane (1) with along class taper cone pulley Hub (2) coordinated, when the chain spiral vane (1) of the trend impact runner of the present invention in ocean, by the company of runner Spiral vane (1) is locked by the kinetic energy that the energy conversion of trend is runner, and then drives the output of the horizontal axis tidal current energy hydraulic turbine Axle rotates, and by the kinetic energy that the energy conversion of trend is the horizontal axis tidal current energy hydraulic turbine, is further driven to electrical power generators, trend is led to The rear that water guide cone section flows to runner is crossed, is returned in ocean.
The explanation being not directed in the embodiment of the present invention belongs to technology well known in the art, refers to known technology It is carried out.
The present invention achieves satisfied trial effect through validation trial.
Above embodiment and embodiment are to a kind of trunnion axis of the chain spiral vane of band proposed by the present invention The specific support of tidal current energy water turbine technological thought, it is impossible to protection scope of the present invention is limited with this, it is every to be carried according to the present invention The technological thought gone out, any equivalent variations done on the basis of the technical program or equivalent change, still fall within the present invention The scope of technical scheme protection.

Claims (7)

1. a kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band, including main shaft (3), cabinet (5), thrust bearing (6), shaft coupling (7), generator (8), frame (9), base (10), water guide cone (11), cabinet (5) lower section is respectively with frame (9) supported with base (10)；Characterized in that, also include the chain spiral vane (1) in the chain helix shape of two dimension, leaching Enter class cone hub (2), the seal closure (4) in torrent stream；The generator (8) is bored by shaft coupling (7) and main shaft (3) with class Shape wheel hub (2) couples, and seal closure (4) is set in main shaft (3) and class cone hub (2) junction, on rear side of class cone hub (2) Cabinet (5) afterbody water guide cone (11) is set, the chain spiral vane (1) is by thrust bearing (6) with along class taper cone pulley The axial gradual change of hub (2), which stretches, to be formed spatial warping shape and is uniformly set on the periphery of class cone hub (2)；The company Lock spiral vane (1) key point on the axially different section Curve of wing under on class cone hub (2) periphery Coordinate represented as follows, and the space that X and Y represent key point on the Curve of wing of chain spiral vane (1) section respectively is sat Scale value, the parameter at the leading edge axial direction 55cm of distance-like cone hub (2) is referring to table 1：
Table 1
Sequence number X Y Sequence number X Y 1 34.951 -5.220 11 32.947 -11.081 2 38.823 -5.907 12 36.608 -12.313 3 42.696 -6.587 13 40.269 -13.544 4 46.571 -7.260 14 43.929 -14.775 5 50.446 -7.928 15 47.590 -16.006 6 54.322 -8.593 16 51.251 -17.238 7 58.199 -9.253 17 54.912 -18.469 8 62.076 -9.912 18 58.573 -19.700 9 65.953 -10.568 19 62.233 -20.931 10 69.831 -11.222 20 65.894 -22.163
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.0011x2-0.2253x+1.6783；
The right string of chain spiral vane (1)：Y=-0.3354x-0.0114；
Parameter at the leading edge axial direction 110cm of distance-like cone hub (2) is referring to table 2:
Table 2
Sequence number X Y Sequence number X Y 1 -45.826 75.281 11 -35.120 79.780 2 -43.305 71.081 12 -33.169 75.348 3 -40.786 66.879 13 -31.218 70.916 4 -38.268 62.677 14 -29.266 66.483 5 -35.753 58.473 15 -27.315 62.051 6 -33.241 54.268 16 -25.364 57.619 7 -30.732 50.060 17 -23.413 53.187 8 -28.228 45.850 18 -21.462 48.754 9 -25.729 41.636 19 -19.511 44.322 10 -23.237 37.419 20 -17.560 39.890
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=-0.0001x3-0.0054x2-1.8462x-3.3769；
The right string of chain spiral vane (1)：Y=-2.2714x+0.0025；
Parameter at the leading edge axial direction 165cm of distance-like cone hub (2) is referring to table 3:
Table 3
Sequence number X Y Sequence number X Y 1 30.382 -47.191 11 24.831 -49.929 2 33.669 -52.495 12 27.590 -55.477 3 36.962 -57.795 13 30.349 -61.024 4 40.261 -63.091 14 33.108 -66.572 5 43.564 -68.385 15 35.867 -72.120 6 46.871 -73.677 16 38.626 -77.667 7 50.180 -78.967 17 41.386 -83.215 8 53.492 -84.255 18 44.145 -88.763 9 56.806 -89.543 19 46.904 -94.310 10 60.121 -94.829 20 49.663 -99.858
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.003x2-1.7248x+3.2307；
The right string of chain spiral vane (1)：Y=-2.0113x+0.0056；
Parameter at the leading edge axial direction 220cm of distance-like cone hub (2) is referring to table 4:
Table 4
Sequence number X Y Sequence number X Y 1 53.398 31.466 11 55.976 25.840 2 59.388 34.871 12 62.195 28.711 3 65.375 38.283 13 68.415 31.582 4 71.357 41.700 14 74.634 34.453 5 77.338 45.121 15 80.854 37.324 6 83.316 48.546 16 87.073 40.195 7 89.293 51.974 17 93.293 43.066 8 95.268 55.405 18 99.512 45.937 9 101.243 58.837 19 105.732 48.808 10 107.216 62.271 20 111.951 51.679
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=0.0005x2+0.5337x+1.887；
The right string of chain spiral vane (1)：Y=0.4614x+0.0029；
Parameter at the leading edge axial direction 290cm of distance-like cone hub (2) is referring to table 5:
Table 5
Two curvilinear equations after fitting are respectively：
The left string of chain spiral vane (1)：Y=-0.0003x2-0.273x-1.7077；
The right string of chain spiral vane (1)：Y=-0.328x+0.0011.
A kind of 2. horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim 1, it is characterised in that The quantity of the chain spiral vane (1) is 1~5 piece.
A kind of 3. horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim 2, it is characterised in that The cross sectional shape of the chain spiral vane (1) is in symmetrical airfoil type or asymmetric airfoil type.
A kind of 4. horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim 3, it is characterised in that The pitch of the chain spiral vane (1) is 20~40 centimetres, and chain spiral vane (1) axial pitch gradually increases, spiral shell It is 5 away from gradient scale:6.
A kind of 5. horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim 4, it is characterised in that The height of the class cone hub (2) is 3 with diameter ratio:1~5:1.
6. a kind of horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim any one of 1-5, its It is characterised by：The dimensional interlocking helix for being shaped as chain spiral vane (1) inner edge of the class cone hub (2) around The class cone shape that axial-rotation is formed；Key point on the periphery curve in the mistake rotary shaft section of the class cone hub (2) Coordinate represents as follows, key point on the periphery curve in the mistake rotary shaft section that X and Z represent class cone hub (2) respectively Spatial value, design parameter is referring to table 6.
Table 6
A kind of 7. horizontal axis tidal current energy hydraulic turbine of the chain spiral vane of band according to claim 6, it is characterised in that The height of the water guide cone (11) is 1 with diameter ratio:2~4:5.
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