CN106628172A - Retractable hydrofoil used for ground-effect wing ship and ground-effect wing ship - Google Patents
Retractable hydrofoil used for ground-effect wing ship and ground-effect wing ship Download PDFInfo
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- CN106628172A CN106628172A CN201611091000.2A CN201611091000A CN106628172A CN 106628172 A CN106628172 A CN 106628172A CN 201611091000 A CN201611091000 A CN 201611091000A CN 106628172 A CN106628172 A CN 106628172A
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- tail
- wing
- horizontal
- folding
- hydrofoil
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- 230000000694 effects Effects 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C35/00—Flying-boats; Seaplanes
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a retractable hydrofoil used for a ground-effect wing ship and the ground-effect wing ship. The retractable hydrofoil used for the ground-effect wing ship comprises a horizontal wing composed of two semi-horizontal wing structures which are symmetrically arranged, a vertical wing fixed at the bottom of a ship body of the ground-effect wing ship, a rotating shaft, a fixed shaft, a movable sleeve, a hydraulic transmission device and a pull rod, wherein each semi-horizontal wing structure is connected with a rotating shaft by virtue of a horizontal wing sleeve in a fit manner; the fixed shaft is arranged at a middle position of the vertical wing and is connected into a whole with the vertical wing; the movable sleeve can move up and down along the fixed shaft when being driven by the hydraulic transmission device; and the pull rod drives two semi-horizontal wing structures to rotate around the rotating shaft respectively by virtue of fixed bearings which are respectively arranged on the side wall of the movable sleeve and the two semi-hydrofoil structures. The retractable hydrofoil disclosed by the invention can improve take-off performance and water entry performance of the ground-effect wing ship at the same time, so that the ground-effect wing ship is safer and more comfortable in take-off and landing processes and is simple and convenient to mount.
Description
Technical field
The invention belongs to high-performance ship design field, and in particular to it is a kind of for ground effect ship can folding and unfolding hydrofoil
And ground effect ship.
Background technology
Ground effect ship is to produce additional lift using the ground effect wing, there is larger lift-drag ratio and extreme low-altitude high-performance cruise ability
, a kind of novel high speed ship between aircraft and conventional drainage type ship, with incomparable excellent resistance to of general naval vessels
Ripple and high boat property, are widely used in military and civilian field, and wide market, become international shipping in recent years and send out
One of focus of exhibition.Although research of the various countries to ground effect ship in recent years achieves the progress advanced by leaps and bounds, many skills are solved
An art difficult problem, but still have many problems demands further to improve and perfect.
Ground effect ship wants Jing to be often used alternatingly in air and water two media, so can cause king-sized punching to hull
Load is hit, ground effect ship upset, big bump is likely to result in, or even Ship Structure can be caused to destroy.Therefore, ground effect ship is in water
The ability of upper takeoff and landing, is not only related to its mobility, independent activities ability and practical development space, it is often more important that
It is related to its safety.Generally speaking, in the evolution of ground effect ship at this stage, it is necessary to solve two technology difficulties
Topic：(1) resistance peak is big in take-off process, and the required distance that takes off makes hull to be quickly lifted away from the water surface；(2) land into water
During, the shock loading suffered by hull is larger, easily causes hull fatigue, or even destruction.
For problem above, mainly being had install electromotor in stem or had the technologies such as the hydroskis of ramping angle using bottom.
But above technical scheme has shortcoming and defect.Power-boosting or dynamic air cushion technology make the taking off property of ground effect ship
Energy, Hull Strength, stability and sea-keeping are obtained for improvement, but when being into cruising speed, most of electromotor is not busy
Put, cause qualitative burden and waste economically, further, while this ground effect ship is provided with front engine improvement
Takeoff data, but draining before take-off and coast period ground effect ship still rely on hull, and each lifting surface provides support.Adopt
Although take off resistance and power can be reduced with general hydrofoil or hydroskis, may be entered with the angle of attack born when water is entered
Water, causes the excessive trim of ground effect ship and is drawn in water and is allowed to damage.
The content of the invention
In view of prior art exist defect, the invention aims to provide it is a kind of for ground effect ship can folding and unfolding water
The wing, with the aqueouss energy while raising ground effect ship takes off and enters.
To achieve these goals, technical scheme：
It is a kind of for ground effect ship can folding and unfolding hydrofoil, it is characterised in that include：Horizontal tail, vertical tail, rotating shaft, fixation
Axle, moving sleeve, hydraulic, pull bar and fixing bearing；Wherein, the horizontal tail is symmetrically set by two pieces
Half horizontal structure is constituted, per the horizontal wing structure of block half by each self-corresponding horizontal tail sleeve and being used as symmetrical rotary central shaft
Rotating shaft be connected；The vertical tail, is fixed on wing-in-ground effect craft body bottom, and by being arranged at the vertical tail, set of its lower end
The cylinder connection rotating shaft；The rotating shaft is each passed through two horizontal tail sleeves and vertical tail, sleeve, by the horizontal tail and described
Vertical tail, is assembled into an overall structure；The fixing axle is arranged at the middle position of the vertical tail, and mutual with the vertical tail,
It is connected as a single entity；The moving sleeve is sheathed in the fixing axle, and can be consolidated described in the driving lower edge in hydraulic
Dead axle is moved up and down；The hydraulic be installed on wing-in-ground effect craft body bottom and with the vertical tail, on fixation
Axle connects；Fixing bearing of the pull bar by being separately positioned on the wall of moving sleeve side and in two and half hydrofoil structures drives two
Individual half horizontal wing structure is rotated rotating around the rotating shaft.
Further, as the preferred version of the present invention
The Breadth Maximum of the horizontal tail is 1/7～1/13 with the ratio of the ground effect ship chord length corresponding to it.
Further, as the preferred version of the present invention
The maximum aspect ratio range of the horizontal tail is 3～8.
Further, as the preferred version of the present invention
The half horizontal tail bottom arranges the turn of the bilge, i.e., the section configuration of described half horizontal tail adopts hard chine linear structure.
Further, as the preferred version of the present invention
At the leading edge 0.45l～0.55l away from horizontal tail, l is the maximum of horizontal tail to the midline position of the vertical tail,
Length.
Further, as the preferred version of the present invention
The vertical tail, is symmetrical airfoil structure, and it is highly 0.5c～1.5c, and length is 0.5c～1.5c, and c is described
The Breadth Maximum of horizontal tail.
Further, as the preferred version of the present invention
Leading edge 0.4b～0.6b of the centrage of the fixing axle away from the vertical tail, b are the length of the vertical tail,.
Further, as the preferred version of the present invention
The swing angle of half horizontal tail refers to half horizontal tail around the rotating shaft for 0 ° to the 20 ° swing angle
The anglec of rotation.
Further, as the preferred version of the present invention
Leading edge distance of the leading edge of the horizontal tail away from ground effect ship is 0.25L～0.4L, and L is ground effect ship overall length.
It is another object of the present invention to provide a kind of new ground effect ship, install on its hull it is above-mentioned can folding and unfolding water
The wing.
Compared with prior art, beneficial effects of the present invention：
The present invention provide can folding and unfolding hydrofoil, can solve the problem that ground effect ship resistance in take-off process is excessive and then has caused
Chikung rate is excessive and descent in the excessive problem of suffered shock loading so that ground effect ship is safer during landing
With it is comfortable, and install it is simple and convenient.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
In figure：1st, horizontal tail, 2, vertical tail, 3, pull bar, 4, fixing bearing, 5, rotating shaft, 6, fixing axle, 7, moving sleeve,
8th, hydraulic means, 9, bearing, 10, bearing cap, 11, first piece of half horizontal wing structure, 12, second piece of half horizontal wing structure, 13, water
Flat wing sleeve, 14, vertical tail, sleeve, 15, hard chine.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention in it is attached
Figure, is clearly and completely described to technical scheme, it is clear that described embodiment is that a part of the invention is real
Apply example, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
As shown in Figure 1-Figure 3, it is of the present invention for ground effect ship can folding and unfolding hydrofoil, it is characterised in that include：Water
The flat wing 1, vertical tail, 2, rotating shaft 5, fixing axle 6, moving sleeve 7, hydraulic 8, pull bar 3 and fixing bearing 4；Wherein,
The horizontal tail 1 is made up of two pieces of half horizontal wing structures 11 being symmetrically set and half horizontal wing structure 12, per the level of block half
Wing structure is connected by each self-corresponding horizontal tail sleeve and the rotating shaft 5 as symmetrical rotary central shaft；It is described vertical
The wing 2 is fixed on wing-in-ground effect craft body bottom, and connects the rotating shaft 5 by being arranged at the vertical tail, sleeve 14 of its lower end；It is described
Rotating shaft 5 is each passed through two horizontal tail sleeves 13 and vertical tail, sleeve 14, and there are respectively bearing 9 and the envelope of bearing cap 10 in its head and the tail two ends
Fixation is closed, the horizontal tail and the vertical tail, are assembled into into an overall structure；The fixing axle 6 is arranged at the vertical tail,
2 middle position and mutually it is connected as a single entity with the vertical tail,；The moving sleeve 7 is sheathed in the fixing axle 6, and can
Fixing axle 6 is moved up and down described in driving lower edge in hydraulic 8；The hydraulic 8 is imitated with being installed on
Wing ship hull bottom and it is connected with the fixing axle on the vertical tail,；The pull bar 3 is by being separately positioned on moving sleeve side wall
Fixing bearing 4 in upper and two and half hydrofoil structures drives two and half horizontal wing structures to be rotated rotating around the rotating shaft 5.Enter
One step ground, used as the preferred version of the present invention, in the half horizontal tail structure level cross sectional shape, it adopts improved wing
Type profile is that its stem is shaped as Yangtze River Delta shape, and tail shape is tapering narrow square tail shape.Further, as the present invention's
Preferred version, the Breadth Maximum of the horizontal tail is 1/7～1/13 with the ratio of the ground effect ship chord length corresponding to it.Further
Ground, used as the preferred version of the present invention, the maximum aspect ratio range of the horizontal tail is the horizontal wing structure of 3～8, i.e., two and half
Length is 3～8 with the ratio of both Breadth Maximum sums.Further, as the preferred version of the present invention, the horizontal tail
The transverse section of bottom is that the half horizontal tail bottom sets section configuration using hard chine linear structure using hard chine 15.Further,
Used as the preferred version of the present invention, at the leading edge 0.45l～0.55l away from horizontal tail, l is the midline position of the vertical tail,
The greatest length of horizontal tail.Further, as the preferred version of the present invention, the vertical tail, is symmetrical airfoil structure, and it is high
Spend for 0.5c～1.5c, length is 0.5c～1.5c, and c is the Breadth Maximum of the horizontal tail.Further, as the present invention's
Preferred version, the leading edge 0.4b～0.6b of the centrage of the fixing axle away from the vertical tail, b is the length of the vertical tail,.
Further, as the preferred version of the present invention, the swing angle of half horizontal tail is referred to for 0 ° to the 20 ° swing angle
The anglec of rotation of half horizontal tail around the rotating shaft.Further, as the preferred version of the present invention, before the horizontal tail
Leading edge distance of the edge away from ground effect ship is 0.25L～0.4L, and L is ground effect ship overall length.
It is another object of the present invention to provide a kind of new ground effect ship, install on its hull it is above-mentioned can folding and unfolding water
The wing；Before the ground effect ship takes off, its horizontal tail 1 is the level of state, and pull bar is controlled by the hydraulic 8 after taking off
3 pack up horizontal tail 1, until steady steaming controls again pull bar 3 and makes horizontal tail 1 return to horizontal level after the water that lands.
The present invention provide it is a kind of for ground effect ship can the designing points of folding and unfolding hydrofoil be：
1. vertical tail, is fixed on hull bottom described in, due to vertical tail, it is motionless all the time, when moving sleeve is in hydraulic
When control lower edge fixing axle moves up and down, can be moved with drawing pull bar, and then cause pull bar to drive half horizontal tail to rotate around the axis,
Realize hydrofoil folding and unfolding process；2. the horizontal tail that the present invention is provided selects improved NACA4412 aerofoil profiles, vertical tail, to adopt
NACA0012 aerofoil profiles, i.e. horizontal tail stem have Yangtze River Delta shape, sharp profile features, and afterbody has tapering narrow square tail feature, institute
It is symmetrical airfoil structure to state vertical tail, can so reduce splash；3. horizontal tail bottom section adopts hard chine described in, so can be with
Realize that fluid is separated, prevent loss of lift and frictional resistance from increasing；4. horizontal tail described in has aspect ratio (3～8), so may be used
To prevent lift mutation from causing motion unstable；5. half horizontal wing structure described in is by each self-corresponding horizontal tail sleeve and rotating shaft
Connection, there is the feature of sector notch ensure that horizontal tail can completely pack up (i.e. angle of oscillation reaches 20 °), the dress is realized for it
The feasibility put；6. pull bar described in is by fixing bearing respectively with half horizontal wing structure and drive system (by moving sleeve, hydraulic pressure
Actuating device, fixing axle and pull bar etc. are constituted) connection, it is ensured that pack up the flat of the motion of driving member during horizontal tail
Surely；7. leading edge distance of the present invention by the leading edge of the horizontal tail away from ground effect ship is 0.25L～0.4L, i.e., described hydrofoil is pacified
It is mounted in away from bow 0.25L～0.4L (L is captain) place, ensure that and provide volume for ground effect ship in ground effect ship take-off process
Outer lift, by hull the water surface is carried away, and then reduces the resistance that takes off；8. half horizontal wing structure is driven around fixing axle by the pull bar
Rotate, and then the useful lift face area of hydrofoil can be changed, such that it is able to control the suffered lift in water of hull；While its
Hydrofoil is packed up in V-shape in descent, therefore can effectively reduce suffered shock loading.
In sum, the present invention can solve the problem that prior art provide ground effect ship in take-off process resistance it is excessive and
The excessive problem of shock loading suffered by hull in descent, the present invention has and preferably reduce take off resistance and reduction landing
The effect of impact so that ground effect ship is safer and comfortable during landing, and design simple easy for installation；
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. it is a kind of for ground effect ship can folding and unfolding hydrofoil, it is characterised in that include：Horizontal tail, vertical tail, rotating shaft, fixing axle,
Moving sleeve, hydraulic, pull bar and fixing bearing；Wherein, the horizontal tail be symmetrically set by two pieces half
Horizontal structure is constituted, per the horizontal wing structure of block half by each self-corresponding horizontal tail sleeve and as symmetrical rotary central shaft
Rotating shaft is connected；The vertical tail, is fixed on wing-in-ground effect craft body bottom, and by being arranged at the vertical tail, sleeve of its lower end
Connect the rotating shaft；The rotating shaft is each passed through two horizontal tail sleeves and vertical tail, sleeve, by the horizontal tail and it is described hang down
The straight wing is assembled into an overall structure；The fixing axle is arranged at the middle position of the vertical tail, and interconnects with the vertical tail,
It is integrated；The moving sleeve is sheathed in the fixing axle, and can be fixed described in the driving lower edge in hydraulic
Axle is moved up and down；The hydraulic be installed on wing-in-ground effect craft body bottom and with the vertical tail, on fixing axle
Connection；Fixing bearing of the pull bar by being separately positioned on the wall of moving sleeve side and in two and half hydrofoil structures drives two
Half horizontal wing structure is rotated rotating around the rotating shaft.
2. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
The Breadth Maximum of the horizontal tail is 1/7～1/13 with the ratio of the ground effect ship chord length corresponding to it.
3. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
The maximum aspect ratio range of the horizontal tail is 3～8.
4. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
The half horizontal tail bottom adopts hard chine linear structure.
5. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
At the leading edge 0.45l～0.55l away from horizontal tail, l is the greatest length of horizontal tail to the midline position of the vertical tail,.
6. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
The vertical tail, is symmetrical airfoil structure, and it is highly 0.5c～1.5c, and length is 0.5c～1.5c, and c is the level
The Breadth Maximum of the wing.
7. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
Leading edge 0.4b～0.6b of the centrage of the fixing axle away from the vertical tail, b are the length of the vertical tail,.
8. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
The swing angle of half horizontal tail is 0 ° to 20 °.
9. according to claim 1 can folding and unfolding hydrofoil, it is characterised in that：
Leading edge distance of the leading edge of the horizontal tail away from ground effect ship is 0.25L～0.4L, and L is ground effect ship overall length.
10. a kind of ground effect ship, it is characterised in that：It include described in any one of claim 1-9 can folding and unfolding hydrofoil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091000.2A CN106628172A (en) | 2016-12-01 | 2016-12-01 | Retractable hydrofoil used for ground-effect wing ship and ground-effect wing ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611091000.2A CN106628172A (en) | 2016-12-01 | 2016-12-01 | Retractable hydrofoil used for ground-effect wing ship and ground-effect wing ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106628172A true CN106628172A (en) | 2017-05-10 |
Family
ID=58813982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611091000.2A Pending CN106628172A (en) | 2016-12-01 | 2016-12-01 | Retractable hydrofoil used for ground-effect wing ship and ground-effect wing ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106628172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109614644A (en) * | 2018-11-02 | 2019-04-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of Externally Blown Flap airplane power-boosting effect evaluation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109614644A (en) * | 2018-11-02 | 2019-04-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of Externally Blown Flap airplane power-boosting effect evaluation method |
| CN109614644B (en) * | 2018-11-02 | 2023-03-14 | 中国航空工业集团公司西安飞机设计研究所 | Method for evaluating power lift-increasing effect of external blowing type flap layout airplane |
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