CN2163791Y

CN2163791Y - Displacement boat

Info

Publication number: CN2163791Y
Application number: CN 93208958
Authority: CN
Inventors: 刘谦; 侯玉堂; 汪梅屏; 李风来
Original assignee: RESEARCH INST OF VEHICLE AND SHIP GENERAL LOGISTICS DEPARTMENT PLA
Current assignee: RESEARCH INST OF VEHICLE AND SHIP GENERAL LOGISTICS DEPARTMENT PLA
Priority date: 1993-04-13
Filing date: 1993-04-13
Publication date: 1994-05-04
Anticipated expiration: 2003-04-13

Abstract

The utility model relates to a hydroairplane (hydroplane) on water, which is used for an inland river, a lake or coastal water. The utility model is composed of a ship body and decks. A ship stem is a three-body ship type, and a shaped single body ship type through the gradual transition from a ship midship to a ship stern. The decks are approximate to be oblong, and the length and the width of the decks are smaller than or equal to 2. A-shaped interrupting step can also be arranged on a ship body which is arranged at the back of the ship midship. Compared with a single body hydroairplane or a double body hydroairplane, the utility model has the advantages of good wave eliminating performance and good manoeuvrability, large effective utilization area of the decks, small sliding resistance force, high speed and economy. Consequently, the utility model is especially suitable for serving as a water-borne traffic tool for inland rivers, lakes or the coastal water.

Description

Displacement boat

The utility model relates to a kind of hydroplane that is used for inland river, lake or coastal water.

The hydroplane that is used for inland river, lake or coastal water belongs to power and supports the type ship type, the hydrodynamic lift that it produces when relying on high speed to navigate by water holds up the planking hydroplane with hull and mainly is made of hull and deck, and its hull can be divided into stem and ship stern.Hydroplane hull of the prior art mostly is monomer knuckle line style or binary knuckle line style, and its knuckle line midpoint is called the ship midship.Under specific sailing conditions, monomer or catamaran planing craft respectively have its advantage, but also have some common weak points.At first, the wave absorption of hull is relatively poor, and the stem wave making is very big, and this not only makes the consumption of power of glider increase, and more serious to washing away of riverbed, and evil is also gone through in the interference of other ship and personnel in the navigation channel very much.Secondly, because the ship stern is narrower, the slurry distance is less, make its radius of turn bigger, road-holding property is relatively poor.The 3rd, because the air lubrication of ship stern planing surface is relatively poor.Make its resistance of taxing bigger, the speed of a ship or plane is subjected to certain limitation.In addition, because its deck shape approximation doleiform, under the situation that main engine power is determined, effective usable floor area on deck is less, takes advantage of the traveling comfort of seat to be restricted.Above-mentioned all multifactor combined action results make the performance driving economy of monomer of the prior art or catamaran planing craft relatively poor.

The purpose of this utility model promptly is to design a kind of wave absorption and road-holding property is good, and resistance of taxing is little, the speed of a ship or plane is high, the big hydroplane of the effective usable floor area in deck.

To achieve these goals, the utility model is designed to comprise the tri-body ship type of a main body and two wave absorption hulls with the glider stem, and from the tri-body ship type of stem through the ship midship gradually transition be the special-shaped single ship body of ship stern.Meanwhile, glider deck shaped design is approximate oblong, and makes its aspect ratio little or equal 2.Be described in further detail below in conjunction with the technical characterictic of specific embodiment the utility model trisome wave absorption glider.

Accompanying drawing 1 is a trisome wave absorption glider hull bottom structural representation;

Accompanying drawing 2 and accompanying drawing 3 are respectively the cross-sectional view of stem and ship stern;

Accompanying drawing 4 is the hull upward view.

Accompanying drawing 5 is the longitudinal diagram of hull.

1-5 with reference to the accompanying drawings, the utility model trisome wave absorption glider mainly is made of hull and deck.Stem is the tri-body ship type that comprises a main body 1 and two wave absorption hulls, and wave absorption hull 2 and wave absorption hull 3 lay respectively at the both sides of main body 1.Hull by the tri-body ship type of stem through the ship midship gradually transition be the special-shaped single ship body of ship stern, its middle part planing surface 4 is the inclined-plane, both sides planing surface 5 almost planes, knuckle 6 can be fillet or non-fillet.The above water of whole hull is a rectangular box, deck 7 approximate oblongs, and its aspect ratio is less than or equal to 2.Form two tubaeform conduits between three hulls of stem, high velocity air enters from big mouth and forms air cushion in the conduit when sliding, the additional lift that is produced holds up hull with hydrodynamic lift, hull after the picking-up only produces very little displacement and drinking water is very shallow, thereby reduced the wetted surface area of hull effectively, strengthen the air lubrication of planing surface, reduced resistance of taxing.As in order further to reduce resistance of taxing, can establish a special-shaped faulted-stage 8 in the hull bottom after the ship midship, the middle part of faulted-stage 8 is outstanding forward or backward, and the planing surface 9 behind the faulted-stage is the plane.After having set up special-shaped faulted-stage, enter high velocity air in the conduit when conduit sprays to special-shaped ship stern planing surface, can further strengthen the air lubrication effect of planing surface and further reduce resistance of taxing.

Because three hulls of stem are all thin than point, thus help splitting wave and reduce bow wave, therefore, the wave absorption performance ratio of trisome wave absorption glider is better, because trisome wave absorption glider has three stable strong points that slide, and ship stern broad, slurry distance and rudder be apart from all bigger, so its road-holding property is better.In addition, the oblong deck has increased effective usable floor area, helps the layout on deck.In a word, trisome wave absorption glider wave absorption and road-holding property are good, and the effective usable floor area in deck is big, and resistance of taxing is little, and economical operation is so be particularly suitable for being used as the marine communication means of inland river, lake or coastal water.

Claims

1, a kind of hydroplane that is used for inland river, lake or coastal water is made of hull and deck, and hull comprises stem and ship stern, and hull knuckle line midpoint is the ship midship; Of the present utility modelly be characterised in that described stem is the tri-body ship type that comprises a main body and two wave absorption hulls, and through the ship midship gradually transition be the special-shaped single ship body of ship stern; Described deck is similar to oblong, and its aspect ratio is less than or equal to 2.

2, hydroplane according to claim 1 is characterized in that the hull bottom after the described ship midship is provided with special-shaped faulted-stage.