CN219821691U - Wide-body shallow-draft inland river automobile roll-on-roll-off ship - Google Patents

Abstract

The utility model discloses a wide-body shallow-draft inland car roll-on/roll-off ship, which relates to the field of ship design and construction and comprises a ship body, wherein the bow of the ship body is a vertical ship bow, the upper part of the bow is an arc-shaped closed spherical surface, the lower part of the bow is a V-shaped ship body, and the V-shaped ship body is connected with the arc-shaped closed spherical surface; the midship of the ship body is a U-shaped flat bottom ship type; the stern part of the ship body is gently lifted from the bottom of the ship body and is provided with a double tail fin; the bow of the ship body is provided with a bow side pushing device, and a full-rotation rudder propeller is arranged behind each tail fin of the stern of the ship body; and the multiple layers of roll-on/roll-off decks are arranged on the ship body up and down, a fixed slope lane is arranged between the upper layer of roll-on/roll-off decks and the lower layer of roll-on/roll-off decks, and vehicle entrances and exits are formed in at least two layers of roll-on/roll-off decks at the top. The inland automobile ro-ro ship meets the requirement of shallow inland water draft, the multi-layer arrangement of the ro-ro deck can provide the loading capacity of vehicles, and the arrangement optimization of the vehicle entrances and exits has greater adaptability to different levels of wharfs and tidal ranges of rivers and seas.

Description

Wide-body shallow-draft inland river automobile roll-on-roll-off ship

Technical Field

The utility model relates to the technical field of ship design and construction, in particular to a wide-body shallow-draft inland river automobile roll-on-roll-off ship.

Background

At present, most of the vehicle enterprises in China are in inland cities, at present, new vehicles are transported from the manufacturing plants to the customs wharfs of export by adopting towing trucks, the cost is high, the efficiency is low, the transportation process occupies more urban road resources, the tail gas emission of the towing trucks is amplified, the urban road traffic safety and the environmental protection are not facilitated, and the vehicle enterprises are taken as cheap and efficient ship transportation which bears more than 90% of global trade cargo transportation, but are basically in the industry blank stage in the field of inland rolling transportation in China. The reason is mainly limited by the inland waterway, such as the waterway depth, the bridge height and the like, which limits the development of the industry.

In view of the above, there is a need for a new car ro-ro vessel that can accommodate the use requirements of the inland waterways and is used for mass new car transfer.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the embodiment of the utility model provides the inland automobile roll-on-roll-off ship which can meet the use requirement of the inland channel, has more outstanding performance indexes such as loading capacity, operability and the like under the limitation of various factors such as small water depth, low bridge height and the like of the inland channel, and meets the requirement of mass new car transportation of a car enterprise manufacturing plant.

The wide-body shallow-draft inland car roll-on-roll-off ship comprises a ship body, wherein the bow of the ship body is a vertical ship bow, the upper part of the bow is an arc-shaped closed spherical surface, the lower part of the bow is a V-shaped ship body, and the V-shaped ship body is connected with the arc-shaped closed spherical surface; the midship of the ship body is a U-shaped flat bottom ship; the stern of the ship body is gently lifted from the bottom of the ship body and is provided with a double tail fin; a bow pushing device is arranged at the bow part of the ship body, and a full-rotation rudder propeller is arranged behind each tail fin at the stern part of the ship body; and the multi-layer roll-on/roll-off decks are arranged on the ship body up and down, a fixed slope lane is arranged between the upper layer and the lower layer of the roll-on/roll-off decks, and vehicle entrances and exits are arranged on the roll-on/roll-off decks on at least two layers of the tops so as to overlap the gangway of the wharf, thereby allowing vehicles to pass through.

In an alternative or preferred embodiment, the arcuate closed sphere is raised gradually from the head end of the hull in a vertical direction with a smooth curve back to the top of the side wall and in a horizontal direction with a smooth curve back to the side of the ship.

In an alternative or preferred embodiment, the roll-on/roll-off deck is provided with four layers, namely a fourth deck, a third deck, a second deck and a first deck from top to bottom, wherein both sides of the fourth deck and both sides of the third deck are provided with the vehicle access.

In an alternative or preferred embodiment, the vehicle access opening is positioned and sized to match a dock leveler.

In an alternative or preferred embodiment, the fourth deck is an open roll deck and the superstructure of the hull is arranged on the bow.

In an alternative or preferred embodiment, the spacing between two adjacent roll-off decks is 2.4 to 2.6 meters and the gradient of the fixed ramp lane is 10 ° to 12 °.

In an alternative or preferred embodiment, the interior of the hull is provided with fresh water ballast tanks commensurate with the weight of the loaded vehicle.

Based on the technical scheme, the embodiment of the utility model has at least the following beneficial effects: according to the technical scheme, the arc-shaped closed spherical surface at the upper part of the bow can effectively reduce wind resistance, and the V-shaped hull at the lower part can reduce the water inflow angle, so that the ship resistance is reduced, and the navigational speed is improved; the midship of the U-shaped flat bottom ship can improve the draft and meet the requirements of shallow draft of the inland river. The multilayer arrangement of the roll-on/roll-off decks can provide vehicle loading capacity, at least two layers of roll-on/roll-off decks at the top are provided with vehicle entrances and exits for overlapping the gangway of the wharf, and the optimization on the arrangement ensures that the ship has larger adaptability to wharfs and tidal ranges of different levels of rivers and seas. The full-rotation rudder propeller behind the two tail fins is matched with the bow side pushing device of the bow part, so that the operability of the ship can be greatly improved, and the navigation requirements of narrow and busy channels of the inland river can be met. The wide-body shallow-draft inland car roll-on-roll-off ship has high loading rate and high loading and unloading speed, and has great development value.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a schematic plan view of a third deck in an embodiment of the utility model;

FIG. 3 is a schematic plan view of a fourth deck in an embodiment of the utility model;

FIG. 4 is a longitudinal sectional profile view of the outer profile of the hull of an embodiment of the present utility model;

figure 5 is a cross sectional view of the outer profile of the hull of an embodiment of the present utility model.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring now to fig. 1-5, a wide body shallow draft inland car roll-on and roll-off vessel is described, comprising a hull 10 and a plurality of roll-on decks disposed above and below the hull 10.

In this embodiment, as shown in fig. 1, four layers of roll-on/roll-off decks are provided, from top to bottom, namely a fourth deck 24, a third deck 23, a second deck 22 and a first deck 21, and each of the four layers of roll-on/roll-off decks can be used for loading vehicles, and the distance between two adjacent roll-on/roll-off decks is 2.4 to 2.6 meters. Wherein, be provided with fixed slope lane 25 between upper and lower adjacent two-layer roll-off deck, the slope of fixed slope lane 25 is 10 to 12, and in this embodiment, the slope of fixed slope lane 25 is 12.

The first deck 21 is provided in front of the bottom of the hull 10; the second deck 22 and the third deck 23 are semi-open, and both the two side walls and the tail end wall of the second deck are provided with large openings; the fourth deck 24 is an open roll deck, and the superstructure of the hull 10 is arranged on the bow 11, including the crew quarters and the cabs. In the embodiment, the vertical distance between two adjacent rolling decks is 2.4 meters, the layer height of the superstructure is 2.2 meters, the minimum bridge height above the total full-load waterline is 8 meters, and the navigation height requirements of most inland waterway bridges can be met.

With reference to fig. 2 and 3, at least two of the roll-off decks on top are provided with vehicle entrances and exits 14 for landing of the gangway of the dock for vehicle traffic. The vehicle doorway 14 is positioned and sized to match the dock leveler. Specifically, the vehicle inlet and outlet 14 is provided at both the middle front port and starboard position on both sides of the fourth deck 24 and the middle front port and starboard position on both sides of the third deck 23, and thus, when the wide-body shallow draft inland car ro-ro vessel is berthed at the dock of the inland waterway, an appropriate vehicle inlet and outlet can be selected according to the draft and the dock height. In this embodiment, the clear width of the vehicle entrance/exit of the third deck 23 is 3.3 meters and the clear width of the vehicle entrance/exit of the fourth deck 24 is 4.4 meters. During loading and unloading, corresponding vehicle entrances and exits of the third deck 23 or the fourth deck 24 can be selected according to current water wave tidal range conditions, and the gangway boards of the wharf are lapped at the entrances and exits for vehicles to pass through.

Referring to fig. 4 and 5, a bow 11 of a hull 10 is a vertical bow, an upper portion of the bow 11 is an arc-shaped closed sphere, a lower portion of the bow 11 is a V-shaped hull, and the V-shaped hull is connected with the arc-shaped closed sphere and has an lover cross section. The arc-shaped closed spherical surface starts from the head end of the ship body, gradually rises to the top of the bulwark in the vertical direction with a smooth curved surface, and gradually extends to the ship board in the horizontal direction with a smooth curved surface. The midship 12 of the hull 10 is a U-shaped flat bottom boat; the stern 13 of the hull 10 is gently lifted from the bottom of the vessel and is provided with double skegs.

It can be understood that in this embodiment, the bow 11 of the wide-body shallow-draft inland car ro-ro ship has unique, novel and beautiful overall shape, wherein the arc-shaped closed spherical surface at the upper part can effectively reduce wind resistance, and the V-shaped hull at the lower part can reduce the inflow angle of water flow, thereby reducing the resistance of the ship and improving the navigational speed. The midship 12 of the U-shaped flat bottom boat shape can improve the draft and meet the requirements of shallow inland water draft. The bow 11 of the ship body 10 is provided with a bow side pushing device, a full-rotation rudder propeller 15 is arranged behind each tail fin of the stern of the ship body 10, and the bow side pushing device is matched with the full-rotation rudder propeller 15 for use, so that the operability of the ship can be greatly improved, and the ship is suitable for navigation requirements of narrow busy channels of inland rivers. Correspondingly, the hull 10 is internally provided with fresh water ballast tanks corresponding to the weight of the loaded vehicle.

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

Claims (7)

1. A broad shallow draft inland car roll-on-roll-off ship which is characterized in that: comprising

The bow of the ship body is a vertical ship bow, the upper part of the bow is an arc-shaped closed spherical surface, the lower part of the bow is a V-shaped ship body, and the V-shaped ship body is connected with the arc-shaped closed spherical surface; the midship of the ship body is a U-shaped flat bottom ship; the stern of the ship body is gently lifted from the bottom of the ship body and is provided with a double tail fin; a bow pushing device is arranged at the bow part of the ship body, and a full-rotation rudder propeller is arranged behind each tail fin at the stern part of the ship body; and

the ship is characterized in that the ship is provided with a plurality of layers of rolling decks up and down, a fixed slope lane is arranged between two layers of upper and lower adjacent rolling decks, and at least two layers of rolling decks at the top are provided with vehicle entrances and exits so as to allow the gangway of the wharf to overlap, thereby allowing vehicles to pass.

2. The wide body shallow draft inland car roll-on and roll-off vessel of claim 1, wherein: the arc-shaped closed spherical surface starts from the head end of the ship body, gradually rises to the top of the bulwark in the vertical direction with a smooth curved surface, and gradually extends to the bulwark in the horizontal direction with the smooth curved surface.

3. The wide body shallow draft inland car roll-on and roll-off vessel of claim 1, wherein: the roll-on/roll-off deck is provided with four layers, namely a fourth deck, a third deck, a second deck and a first deck from top to bottom, wherein vehicle entrances and exits are formed in two sides of the fourth deck and two sides of the third deck.

4. A wide body shallow draft inland car roll-on and roll-off vessel according to claim 3, wherein: the position and the size of the vehicle entrance are matched with those of the dock ramp.

5. A wide body shallow draft inland car roll-on and roll-off vessel according to claim 3, wherein: the fourth deck is an open-air roll deck, and the superstructure of the ship body is arranged on the bow.

6. The wide body shallow draft inland car roll-on and roll-off vessel of claim 1, wherein: the distance between two adjacent roll-off decks is 2.4 to 2.6 meters, and the gradient of the fixed slope lane is 10 to 12 degrees.

7. The wide body shallow draft inland car roll-on and roll-off vessel according to any one of claims 1 to 6, wherein: the interior of the hull is provided with a fresh water ballast tank corresponding to the weight of the loaded automobile.