CN102826196A

CN102826196A - Sliding hydrofoil boat for preventing sliding surface from splashing

Info

Publication number: CN102826196A
Application number: CN2012103492047A
Authority: CN
Inventors: 杨松林
Original assignee: Jiangsu University of Science and Technology
Current assignee: Jiangsu University of Science and Technology
Priority date: 2012-09-20
Filing date: 2012-09-20
Publication date: 2012-12-19
Anticipated expiration: 2032-09-20
Also published as: CN102826196B

Abstract

The invention discloses a sliding hydrofoil boat for preventing a sliding surface from splashing. The sliding hydrofoil boat comprises a boat body, a propelling device and paddling hydrofoils, wherein the sliding surface is formed on the bottom surface of the stern part of the boat body. Two sides of the boat body transversely and symmetrically extend from the bilge area of a mid-boat to the incline downside of the stern to form short hydrofoil-shaped bodies, and the short hydrofoil-shaped bodies downwards aslant extend to the stern along the longitudinal direction. The boat body gradually transits to a boat bottom with an improved shallow V-shaped cross section or horizontal cross section of a stern sliding surface gradually from the deep V-shaped cross section of the fore body to the stern. Hydrofoil bodies comprise shallow V-shaped padding hydrofoils, deep-soaking horizontal paddling hydrofoils, trapezoidal paddling hydrofoils and ladder shallow V-shaped padding hydrofoils, and a plurality of kinds of stern sliding surfaces and a plurality of kinds of hydrofoils are combined in pairs to form a plurality of kinds of sliding hydrofoil boats. According to the invention, the defects of large inherent vibration, poor sailing stability and the like of the planing boat or hydrofoil boat are overcome, and the inflexibility of the arrangement of the planing boat is overcome. The short hydrofoil-shaped bodies can effectively prevent the sliding surface from laterally splashing during high-speed sailing.

Description

The gliding-hydrofoil craft that anti-planing surface splashes

Technical field

The present invention relates to a kind of high performance craft, particularly a kind ofly have glider and hydrofoil boat function concurrently and have the splash gliding-hydrofoil craft of function of anti-planing surface, belong to the high-performance ship technical field.

Background technology

Glider and hydrofoil boat are the important members in the high performance craft family, and the glider that on the water surface, slides at a high speed leans on its most weight of hydrodynamic force supporting, and water buoyancy only supports the sub-fraction weight of glider.Compare with conventional displacement boat, its advantage is that speed is fast, and shortcoming is that vibration is big, attack is serious, course stability is poor, weight distribution is strict, and this shortcoming has seriously limited the weight layout of ship.When glider or hydrofoil boat navigated by water at a high speed, it was big to splash, and has consumed the part main engine power, influences its economy.The water lift that hydrofoil boat relies on hydrofoil to produce when the water surface navigates by water is at a high speed held out the water surface fully with hull; Under same displacement and tractive power situation; Its rapidity improves more than 15% than glider, and it has overcome many shortcomings of glider, but it is big at speed loss in waves; While propelling unit more complicated, cost is high.

Summary of the invention

The purpose of this invention is to provide the gliding-hydrofoil craft that a kind of anti-planing surface of taking into account glider and hydrofoil boat advantage splashes.

The present invention is achieved through following technical scheme:

The gliding-hydrofoil craft that a kind of anti-planing surface splashes; Comprise hull, propelling unit and be arranged on hull anterior cut the wing of striking; The said wing of striking that cuts comprises horizontal hydrofoil body and several symmetrically arranged pillar; The hydrofoil body is captiveed joint with the hull both sides through several pillars, and hull stern bottom surface constitutes planing surface; The hull both sides are extended short limb shape lamellar body from the ship midship turn of the bilge to the oblique below of ship stern lateral symmetry, and said short limb shape lamellar body longitudinally has a down dip and extends to the ship stern; Hull from acutangulate dark V-type bench section, bow both sides at the bottom of bench section that the stern direction carries out the transition to the stern planing surface gradually is for the shallow V-type ship of improvement or at the bottom of the horizontal type ship; The hydrofoil shape comprises that shallow V-arrangement cuts that the wing of striking, dark immersion flatly cut the wing of striking, trapezoidal the strike wing and the shallow V-arrangement of ladder of cutting cuts the wing of striking, and several stern planing surfaces are combined into multiple gliding-hydrofoil craft ship type in twos with several hydrofoil bodies.

The object of the invention can also further realize through following technical measures:

The gliding-hydrofoil craft that aforesaid anti-planing surface splashes, the bench section of wherein said short limb shape lamellar body are a triangle or an arc part.Said short limb shape lamellar body longitudinal centerline and horizontal plane angle α are-1 °～2 °, and short limb shape lamellar body cross central line and horizontal plane angle β are 5 °～30 °.

The gliding-hydrofoil craft that aforesaid anti-planing surface splashes, the bench section of wherein said hydrofoil body are arc or little camber crescent.The camber ratio that the wing of striking is cut in said arc bench section is not less than 0.025, and exhibition is long than equaling 7 greatly.The camber ratio that the wing of striking is cut in said little camber crescent bench section is not less than 0.035, and exhibition is long than equaling 7 greatly.

The present invention is a kind of new compound ship type between glider and hydrofoil boat; Overcome preferably glider or hydrofoil boat shortcomings such as big, the navigation stability difference of intrinsic vibration; Be provided with in the hull front portion and cut the wing of striking; Make the present invention when navigating by water at a high speed, can bear a part of weight of hull, when sliding at a high speed, improve shallow V-type or level of approximation type planing surface and cut more than 45% of wing support hull weight of striking.The present invention has overcome the ineffective activity of glider layout design.The turn of the bilge stretches out the short limb shape sheet physical efficiency side direction of planing surface of effectively drawing up when navigating by water at a high speed to oblique below and splashes behind the ship midship.Its complex art economic performance is superior to glider, conventional gliding-hydrofoil craft and hydrofoil boat.The rapidity of this type gliding-hydrofoil craft has improved more than 15% than glider.Attack and course stability have all had great improvement than glider simultaneously.

Advantage of the present invention and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.

Description of drawings

Fig. 1 is a lateral plan of the present invention;

Fig. 2 is the right elevation of Fig. 1;

Fig. 3 is the A-A cutaway view of Fig. 1,

Fig. 4 is the B-B cutaway view of the dark immersion par wing of Fig. 1;

Fig. 5 is the trapezoidal B-B cutaway view that cuts the wing of striking of Fig. 1;

Fig. 6 is the B-B cutaway view that the shallow V-arrangement of the ladder of Fig. 1 cuts the wing of striking;

Fig. 7 is the C-C cutaway view of Fig. 1;

Fig. 8 is the D-D cutaway view of the arc section of hydrofoil body of Fig. 2;

Fig. 9 is the D-D cutaway view of the little camber crescent hydrofoil body section of Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described further.

Like Fig. 1, shown in Figure 2, the present invention includes hull 1, propelling unit 2 and be arranged on hull anterior cut the wing 3 of striking, propelling unit 2 is arranged as follows to the hull 1 of different yardsticks: hull 1 length is 8-9 rice when following, propelling unit 2 employing outboard engines; Hull 1 length is 8-9 rice when above, adopts inboard machine fully cavitating propeller or outboard engine fully cavitating propeller; Hull length is more than 15 meters the time, except that adopting above-mentioned two kinds of devices advance, also can adopt the base fully cavitating propeller.

Cut the wing 3 of striking and comprise horizontal hydrofoil body 31 and several symmetrically arranged pillar 32, hydrofoil body 31 is captiveed joint with hull 1 both sides through several pillars 32, and the stern bottom surface of hull 1 constitutes planing surface.

Like Fig. 1, shown in Figure 7, hull 1 both sides are extended short limb shape lamellar body 11 from the ship midship turn of the bilge (intersection at the bottom of hull both sides and the ship) to the oblique below of ship stern lateral symmetry, and said short limb shape lamellar body 11 longitudinally has a down dip and extends to the ship stern.The bench section of short limb shape lamellar body 11 is a triangle or an arc part.Short limb shape lamellar body 11 longitudinal centerlines and horizontal plane angle α are-1 °～2 °, and short limb shape lamellar body 11 cross central lines and horizontal plane angle β are 5 °～30 °.

As shown in Figure 2, hull 1 from acutangulate dark V-type bench section, bow both sides at the bottom of bench section that the stern direction carries out the transition to the stern planing surface gradually is for the shallow V-type ship of improvement or at the bottom of the horizontal type ship.It is simple to improve shallow V-type ship bottom structure, and 1ift-drag ratio is higher than conventional V-type and slack bulge type during sliding state, and has course stability preferably.Level: hull is simple in structure, stressed evenly, good manufacturability, helps macroeconomy property; Slide efficient and be higher than conventional V-type and slack bulge type height.

Be respectively D-D cutaway view and the D-D cutaway view of little camber crescent hydrofoil body section of the hydrofoil body 31 of arc section like Fig. 8, Fig. 9.

Like Fig. 2 and Fig. 4～shown in Figure 6; Hydrofoil body 31 shapes comprise that shallow V-arrangement cuts that the wing of striking, dark immersion flatly cut the wing of striking, trapezoidal the strike wing and the shallow V-arrangement of ladder of cutting cuts the wing of striking, and two kinds of planing surfaces at the bottom of the shallow V-type ship or at the bottom of the horizontal type ship and shallow V-arrangement cut that the wing of striking, dark immersion flatly cut the wing of striking, trapezoidal the strike wing and the shallow V-arrangement of ladder of cutting cuts the four kinds of hydrofoil bodies of the wing of striking and be combined into following eight kinds of gliding-hydrofoil craft ship types in twos: the shallow V-type stern planing surface of (1) improvement cuts the wing of striking with shallow V-arrangement and makes up.(2) the shallow V-type stern planing surface of improvement is put down with dark immersion and is cut the wing combination of striking.(3) the shallow V-type stern planing surface of improvement and the trapezoidal wing of striking that cuts make up.(4) shallow V-type stern planing surface of improvement and the shallow V-arrangement of ladder cut the wing combination of striking.(5) horizontal type stern planing surface and shallow V-arrangement cut the wing combination of striking.(6) horizontal type stern planing surface makes up with the flat wing of striking that cuts of dark immersion.(7) the horizontal type stern planing surface and the trapezoidal wing of striking that cuts make up.(8) the shallow V-arrangement of horizontal type stern planing surface and ladder cuts the wing combination of striking.More than eight kinds of combinations can select for use according to actual needs, all have the effect that good anti-planing surface splashes.

Except that the foregoing description, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.

Claims

1. gliding-hydrofoil craft that anti-planing surface splashes; Comprise hull, propelling unit and be arranged on hull anterior cut the wing of striking; The said wing of striking that cuts comprises horizontal hydrofoil body and several symmetrically arranged pillar; The hydrofoil body is captiveed joint with the hull both sides through several pillars, and hull stern bottom surface constitutes planing surface; It is characterized in that the hull both sides are extended short limb shape lamellar body from the ship midship turn of the bilge to the oblique below of ship stern lateral symmetry, said short limb shape lamellar body longitudinally has a down dip and extends to the ship stern; Hull from acutangulate dark V-type bench section, bow both sides at the bottom of bench section that the stern direction carries out the transition to the stern planing surface gradually is for the shallow V-type ship of improvement or at the bottom of the horizontal type ship; The hydrofoil shape comprises that dark immersion is flat and cuts that the wing of striking, shallow V-arrangement cut the wing of striking, trapezoidal the strike wing and the shallow V-arrangement of ladder of cutting cuts the wing of striking that several stern planing surfaces are combined into multiple gliding-hydrofoil craft ship type in twos with several hydrofoil bodies.

2. the gliding-hydrofoil craft that anti-planing surface as claimed in claim 1 splashes is characterized in that, the bench section of said short limb shape lamellar body is a triangle or an arc part.

3. the gliding-hydrofoil craft that splashes of according to claim 1 or claim 2 anti-planing surface is characterized in that said short limb shape lamellar body longitudinal centerline and horizontal plane angle α are-1 °～2 °, and short limb shape lamellar body cross central line and horizontal plane angle β are 5 °～30 °.

4. the gliding-hydrofoil craft that anti-planing surface as claimed in claim 1 splashes is characterized in that, the bench section of said hydrofoil body is arc or little camber crescent.

5. the gliding-hydrofoil craft that splashes according to claim 1 or 4 described anti-planing surfaces is characterized in that the camber ratio that the wing of striking is cut in said arc bench section is not less than 0.025, and exhibition is long than equaling 7 greatly.

6. the gliding-hydrofoil craft that splashes according to claim 1 or 4 described anti-planing surfaces is characterized in that the camber ratio that the wing of striking is cut in said little camber crescent bench section is not less than 0.035, and exhibition is long than equaling 7 greatly.