CN210083467U

CN210083467U - Wave-penetrating catamaran

Info

Publication number: CN210083467U
Application number: CN201921713842.6U
Authority: CN
Inventors: 王红梅
Original assignee: Guangzhou Huahang Ship And Ocean Engineering Design Co Ltd
Current assignee: Guangzhou Huahang Ship And Ocean Engineering Design Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-02-18
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a wear unrestrained catamaran relates to boats and ships technical field, which comprises a ship body, the hull includes two lamellar bodies of controlling the distribution, each the lamellar body includes bow, midship and stern, the bow cross-section is the V type, midship cross-section is the round bilge type, the stern cross-section is the V type, each the bow planking, midship planking and the stern planking of lamellar body are smooth in proper order and are connected. The round bilge type design of the midship provides enough displacement, and avoids the defects of the small waterplane hull in stability and load capacity; the stern part adopts a V-shaped line type, and is gradually narrowed in the lifting process, so that the propulsion efficiency is improved. The utility model discloses wear unrestrained binary ship makes it have outstanding resistance performance and wave resistance performance through combining round bilge type and V type ship type characteristics, and speed economy is good.

Description

Wave-penetrating catamaran

Technical Field

The utility model relates to a boats and ships technical field, in particular to wear unrestrained binary ship.

Background

In realizing the utility model discloses the in-process, the inventor finds that there is following problem at least among the prior art, and at present, the catamaran has occupied unique advantage with its stationarity good, and resistance performance is superior, and deck area advantage such as big in the ro-ro passenger ship, and the lamellar body line type of conventional catamaran generally is from the transition of bow V type to stern U type, and wave resistance performance and resistance performance are not as good as the catamaran of wearing unrestrained.

Although the wave-piercing catamaran on the market has excellent wave resistance and resistance performance at high speed, for example, chinese patent (application No. CN 201420126676.0) discloses a deep V-shaped wave-piercing catamaran type, in which the blade line adopts a V-shaped section from the head to the tail. However, the ship of the deep V-shaped wave-penetrating catamaran has poor economy when running at medium and low speeds, and is complex in line type and structure, and high in construction cost and operation cost.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the embodiment of the utility model provides a wear unrestrained twinhull vessel makes it have outstanding resistance performance and wave resistance performance, and speed of a ship is economic good.

The wave-penetrating catamaran comprises a catamaran body, wherein the catamaran body comprises two sheets distributed on the left side and the right side, each sheet comprises a bow part, a midship part and a stern part, the cross section of the bow part is V-shaped, the cross section of the midship part is round bilge-shaped, the cross section of the stern part is V-shaped, and a bow part outer plate, a midship part outer plate and a stern part outer plate of each sheet are sequentially connected smoothly and smoothly.

Wherein, two lamellar bodies bilateral symmetry sets up.

In an alternative or preferred embodiment, the bow is asymmetric waterline type, the midship is asymmetric waterline type, and the stern is asymmetric waterline type. The lamellar body adopts asymmetric waterline type design, can reduce two lamellar bodies and make ripples and disturb.

In an alternative or preferred embodiment, the stem comprises a stem, the stem is an inward-inclined stem, the stem is of a plate-type structure, and an included angle between the stem and a plumb line is defined as α e (0, 20).

In an alternative or preferred embodiment, the midship section is a flat-bottomed round bilge type, the midship bottom outer plate is flat-bottomed, and the midship bottom outer plate is a keel plate. The bottom outer plate of the midship adopts a flat bottom keel plate design, so that the construction is simple, and the docking maintenance is easy.

In an alternative or preferred embodiment, the upper part of the stern outer plate is vertically lifted and then connected with the deck, the upper part of the midship outer plate is vertically lifted and then connected with the deck, and the upper part of the bow outer plate is obliquely narrowed and lifted and then connected with the deck.

In an alternative or preferred embodiment, the device further comprises a connecting bridge connecting the two sheet bodies, and each sheet body is smoothly and smoothly connected with the connecting bridge.

In an alternative or preferred embodiment, the bottom end of the connecting bridge bow part is provided with a bow attachment which is V-shaped in cross section. The V-shaped bow appendage effectively relieves the head slamming of the connecting bridge.

In an alternative or preferred embodiment, a bulbous bow is arranged at the bottom of the bow part, the bulbous bow is in a slender streamline shape, and the cross section of the bulbous bow is in a circular or oval shape. The design of the slender streamline bulbous bow can change the bow waveform generated when the ship runs at high speed, so that favorable interference is formed.

In an alternative or preferred embodiment, the blade is fitted with a bow thrust located in the respective bulb.

Based on the technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: the round bilge type design of the midship provides enough displacement, and avoids the defects of the small waterplane hull in stability and load capacity; the stern part adopts a V-shaped line type, and is gradually narrowed in the lifting process, so that the propulsion efficiency is improved. The utility model discloses wear unrestrained binary ship makes it have outstanding resistance performance and wave resistance performance through combining round bilge type and V type ship type characteristics, and speed economy is good.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Figure 1 is a longitudinal cross-sectional view of an embodiment of the invention;

fig. 2 is a schematic water plane view of an embodiment of the present invention;

FIG. 3 is a schematic view of the bottom structure in the embodiment of the present invention

FIG. 4 is a schematic structural view of a bow according to an embodiment of the present invention;

FIG. 5 is a cross sectional view of the bow of the embodiment of the present invention;

fig. 6 is a cross sectional view of a midship of the embodiment of the invention;

fig. 7 is a cross sectional view of the stern according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., are the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, if the terms "first" and "second" are used, they are used for distinguishing technical features, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the present number, "more than", "less than", "more than" and the like are understood as including the present number, unless otherwise specifically limited.

In the description of the present invention, unless explicitly defined otherwise, terms such as "set", "arrange", "install", "connect", "fix" and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

In the description of the present invention, unless otherwise expressly limited, a first feature "on" or "under" a second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through intervening media. Also, a first feature may be "on" or "over" or "on" a second feature, and may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under" or "beneath" a second feature may be directly under or obliquely under the second feature, or simply indicate that the first feature is at a lesser level than the second feature.

The first embodiment is as follows:

referring to fig. 1 to 7, the catamaran for wave-piercing comprises a catamaran body, wherein the catamaran body comprises two sheet bodies 10 distributed left and right, and specifically, the two sheet bodies 10 are arranged symmetrically left and right. The catamaran for wave-piercing in the embodiment has the total length of 54 meters, the model width of 18 meters, the model depth of 4.2 meters and the draft of 2.28 meters.

In addition, the wave-piercing catamaran in the embodiment further includes a connecting bridge 20 for connecting the two sheet bodies 10, and each sheet body 10 is smoothly and smoothly connected with the connecting bridge 20. Further preferably, a bow attachment 30 is mounted at the bottom end of the head of the connecting bridge 20, the bow attachment 30 is in a V-shaped section, and the bow attachment 30 is fixed on the bottom plate of the connecting bridge 20 by welding, so that the head slamming of the connecting bridge 30 is effectively relieved.

As shown in fig. 1 and 3, each blade 10 includes a bow 11, a midship 12, and a stern 13. The sections of the bow parts 11 are V-shaped, the section of the midship part 12 is of a round bilge shape, the section of the stern part 13 is of a V shape, the round bilge shape design of the midship part 12 provides enough displacement, the defects of small waterplane surface ship bodies in the aspects of stability and load capacity are avoided, the stern part 13 adopts a V-shaped line shape, the stern part is gradually narrowed in the lifting process, and the propulsion efficiency is improved. Further, the outer plates of the bow 11, the midship 12 and the stern 13 of each sheet 10 are smoothly and smoothly connected in sequence. Preferably, the bow 11 is asymmetric waterline type, the midship 12 is asymmetric waterline type, and the stern 13 is asymmetric waterline type, so that the sheet bodies 10 are designed in asymmetric waterline type, and thus wave-making interference between the two sheet bodies 10 can be reduced.

The bottom of the bow part 11 is provided with a bulbous bow 14, the bow part 11 comprises a stem 15, in the embodiment, the stem 15 is an inward-inclined stem, the stem 15 adopts a plate-type structure, in addition, the included angle between the stem 15 and a plumb line is defined as α e (0, 20), and the embodiment is preferably α =18 degrees.

Specifically, the cross section of the midship 12 is of a flat bottom round bilge type, the bottom outer plate of the midship 12 is of a flat bottom shape, the bottom outer plate of the midship 12 is a keel plate, the bottom outer plate of the midship 12 is designed to be a flat bottom keel plate in the construction process, and referring to fig. 5 to 7, the bottom outer plates of the midship 10 are designed to be flat bottom keel plates, so that the ship body is simple to construct, and the ship body is easy to dock and maintain at a later date.

The upper part of the outer plate of the stern part 13 is vertically lifted and then is connected with a deck 41, as shown in figure 7; the upper part of the outer plate of the midship 12 is vertically lifted and then connected with a deck 41, as can be seen in fig. 6; the upper part of the outer plate of the bow 11 is obliquely narrowed and lifted and then is connected with the deck 41, which can be seen in figure 5.

In this embodiment, the hull is provided with the twin-screw, that is, the hull adopts the twin-screw to impel.

Preferably, the hull is constructed of a steel material or an aluminum alloy material or a glass fiber reinforced plastic material, and in this embodiment, the hull is made of a steel material.

Example two:

the difference between the embodiment and the first embodiment is that the bulb 14 is in a slender streamline shape, the section of the bulb 14 is in an oval shape, and the design of the slender streamline bulb can change the bow waveform generated when the ship runs at high speed to form favorable interference. In addition, the sheet 10 is fitted with a bow thrust, which is located in the corresponding bulb 14.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A wave-piercing catamaran comprises a catamaran body, and is characterized in that: the ship body comprises two pieces which are distributed on the left and the right, each piece comprises a bow, a midship and a stern, the cross section of the bow is V-shaped, the cross section of the midship is a round bilge, the cross section of the stern is V-shaped, and a bow outer plate, a midship outer plate and a stern outer plate of each piece are sequentially connected smoothly and smoothly.

2. The wave-piercing catamaran according to claim 1, characterized in that: two the lamellar body bilateral symmetry sets up.

3. The wave-piercing catamaran according to claim 2, characterized in that: the bow part is in an asymmetric waterline type, the midship part is in an asymmetric waterline type, and the stern part is in an asymmetric waterline type.

4. The wave-penetrating catamaran according to claim 2, wherein the stem comprises a stem, the stem is an inward-inclined stem, the stem is of a plate-type structure, and an included angle between the stem and a vertical line is defined as α e (0, 20%).

5. The wave-piercing catamaran according to claim 2, characterized in that: the cross section of the midship is in a flat-bottom round bilge shape, the outer plate at the bottom of the midship is in a flat-bottom shape, and the outer plate at the bottom of the midship is a keel plate.

6. The catamaran piercing of any one of claims 1 to 5, further comprising: the upper part of the stern outer plate is vertically lifted and then connected with the deck, the upper part of the midship outer plate is vertically lifted and then connected with the deck, and the upper part of the bow outer plate is obliquely narrowed and lifted and then connected with the deck.

7. The wave-piercing catamaran according to claim 1, characterized in that: the connecting bridge is used for connecting the two sheet bodies, and each sheet body is smoothly and smoothly connected with the connecting bridge.

8. The wave-piercing catamaran according to claim 7, characterized in that: the bottom end of the connecting bridge head part is provided with a bow attachment, and the cross section of the bow attachment is V-shaped.

9. The wave-piercing catamaran according to claim 4, characterized in that: the bottom of the bow part is provided with a bulbous bow which is in a slender streamline shape, and the cross section of the bulbous bow is in a circular or oval shape.

10. The wave-piercing catamaran according to claim 9, characterized in that: the sheet body is provided with a bow side push which is positioned in the corresponding bulbous bow.