Arc-shaped cabin shed enclosure bulkhead structure of automobile roll-on-roll-off ship
By adopting a circular wall structure in the cabin shed of the car Ro-Ro-Boat, combined with curved plates and reinforcements, the problems of stress concentration and fatigue in traditional structures are solved, the fatigue strength is improved and the appearance is beautified.
Patent Information
- Application Number
- CN202421492273.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The structure of traditional car robo-ship cabin sheds is prone to stress concentration and fatigue problems during rolling movement, especially in large ship designs.
The arc-type cabin shed wall structure is adopted, and the fatigue strength at the connection between the cabin shed and the vehicle deck is improved through the combination of curved plates, vertical reinforcements and flat reinforcements.
It effectively solves the fatigue problem at the end of the cabin shed, improves the fatigue strength, and beautifies the appearance of the cabin shed, suitable for the design of large-scale car ro-boat ships.
Smart Images
Figure CN222611335U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ships, in particular to an arc-shaped cabin shed wall structure of a car roll-on / roll-off ship. Background Art
[0002] The engine room shed structure of a car ro-ro ship is located in the engine room area and is usually composed of rigid walls. The engine room shed provides important protection for the engine equipment and ventilation, and is also an important part of the hull strength. The engine room shed of a car ro-ro ship is generally arranged on the side of the ship near the engine room area, and there is usually a stairway area adjacent to the engine room shed. The engine room shed is surrounded by two front and rear transverse bulkheads, a longitudinal bulkhead, and a side outer plate. The engine room shed is used for equipment such as boilers to ensure the safety of the engine room and reduce the noise in the engine room. It is also used for lighting and ventilation in the engine room. It is a necessary structure of the ship.
[0003] The traditional design of the engine room shed consists of four rigid walls, and its transverse stiffness is much greater than that of ordinary strong ribs. When the ship rolls, the engine room shed mainly bears the transverse load and is a high stress area in the hull structure, especially at the connection between the engine room shed and the deck structure, where the stress concentration is obvious. Under the action of transverse alternating loads, fatigue problems are difficult to solve. As the size of the ship increases, even if the plate thickness in the local area is increased, it cannot meet the requirements. Therefore, the structural form of the engine room shed has always been a difficult problem in the structural design of large roll-on / roll-off ships. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art and to provide an arc-shaped cabin shed wall structure for a car roll-on / roll-off ship.
[0005] The utility model solves the above technical problems through the following technical solutions:
[0006] A circular arc-shaped engine room shed enclosure wall structure for a car roll-on / roll-off ship comprises an engine room shed fixedly connected to a vehicle deck, the engine room shed comprises two end enclosure walls and a longitudinal enclosure wall arranged between the two end enclosure walls; the end enclosure walls and the longitudinal enclosure walls are fixedly connected via an arc-shaped plate; two vertical reinforcements are respectively fixedly provided on both sides of the arc-shaped plate, a horizontal reinforcement is fixedly provided between the two vertical reinforcements; the horizontal reinforcement is fixedly connected to the arc-shaped plate; the arc-shaped plate and the vertical reinforcement are both fixedly connected to the vehicle deck.
[0007] Furthermore, two vertical reinforcement members located on both sides of the arc-shaped plate are respectively fixed to the end surrounding wall and the longitudinal surrounding wall.
[0008] Furthermore, the distance between the vertical reinforcement and the end of the arc-shaped plate located on the same side of the vertical reinforcement is not greater than 75 mm.
[0009] Furthermore, the radius of the curved plate is not less than 200 mm.
[0010] Furthermore, the radius of the curved plate is 400-700 mm.
[0011] Furthermore, the curved plate and the vertical reinforcement members extend from the top of the vehicle deck to the bottom of the vehicle deck; and horizontal reinforcement members are provided above and below the vehicle deck.
[0012] Furthermore, the distance between the horizontal reinforcement and the vehicle deck is not greater than 300 mm.
[0013] Furthermore, the horizontal reinforcement member is a horizontal plate; and the side edge of the horizontal reinforcement member is fixedly connected to the arc-shaped plate.
[0014] Further, the side edge of the horizontal reinforcement member fixed to the arc-shaped plate is in contact with the arc-shaped plate.
[0015] Furthermore, the vertical reinforcement is a vertical plate.
[0016] The beneficial effect of the utility model is that the arc-shaped cabin shed wall structure of the automobile ro-ro ship of the utility model proposes an arc-shaped cabin shed structure, and an arc-shaped plate is set at the connection between the front and rear transverse walls (i.e., the two end walls) and the longitudinal wall of the cabin shed, and two fatigue reinforcement structures are set in the transition area, which not only solves the fatigue problem of the end of the cabin shed, but also beautifies the appearance of the cabin shed. The utility model improves the fatigue strength of the end area of the cabin shed, solves the difficulty problem of the cabin shed design of a large automobile ro-ro ship when increasing the local plate thickness is ineffective, and at the same time, the arc-shaped structure is more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model.
[0018] Figure 2 for Figure 1 Schematic diagram of the structure of area A in the middle.
[0019] Figure 3 for Figure 2 Schematic diagram of the BB cross-section. DETAILED DESCRIPTION
[0020] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.
[0021] like Figure 1 , Figure 2 and Figure 3As shown, a circular arc-shaped engine room shed enclosure wall structure of a car ro-ro ship includes an engine room shed 10 fixedly connected to a vehicle deck 20, and the engine room shed 10 includes two end enclosure walls 11 and a longitudinal enclosure wall 12 arranged between the two end enclosure walls 11; the end enclosure walls 11 and the longitudinal enclosure wall 12 are fixedly connected by an arc plate 30. The engine room shed is surrounded by the two end enclosure walls 11, the longitudinal enclosure wall 12 and the hull outer plate 21.
[0022] The radius of the curved plate 30 is not less than 200 mm. Preferably, the radius of the curved plate 30 is 400-700 mm.
[0023] Two vertical reinforcement members 31 are fixedly disposed on both sides of the arc plate 30. The vertical reinforcement member 31 is a vertical plate. The arc plate 30 and the vertical reinforcement member 31 are both fixedly connected to the vehicle deck 20.
[0024] Two vertical reinforcement members 31 located on both sides of the arc-shaped plate 30 are fixed to the end surrounding wall 11 and the longitudinal surrounding wall 12 respectively.
[0025] The distance between the vertical reinforcement 31 and the end of the arc-shaped plate located on the same side of the vertical reinforcement is not greater than 75 mm.
[0026] like Figure 2 As shown, the distance between one end of the arc plate and the vertical reinforcement member fixed to the end wall is D1, wherein D1 is not greater than 75 mm. The distance between the other end of the arc plate and the vertical reinforcement member fixed to the longitudinal wall is D2, wherein D2 is not greater than 75 mm.
[0027] A horizontal reinforcement member 32 is fixedly disposed between the two vertical reinforcement members 31 ; the horizontal reinforcement member 32 is fixedly connected to the arc-shaped plate 30 .
[0028] The horizontal reinforcement member 32 is a horizontal plate, and the side of the horizontal reinforcement member 32 is fixedly connected to the arc-shaped plate 30. The side of the horizontal reinforcement member 32 fixedly connected to the arc-shaped plate 30 is in contact with the arc-shaped plate 30.
[0029] The distance between the horizontal reinforcement 32 and the vehicle deck 20 is not greater than 300 mm.
[0030] The curved plate 30 and the vertical reinforcement 31 both extend from the top of the vehicle deck to the bottom of the vehicle deck; and horizontal reinforcements 32 are provided above and below the vehicle deck 20 .
[0031] In the utility model, the existing right-angle connection is replaced by an arc connection mode, and the arc plate, vertical reinforcement and horizontal reinforcement are combined to greatly improve the fatigue strength of the connection between the cabin shed and the vehicle deck. The larger the radius of the arc plate, the better the effect of improving the fatigue strength.
[0032] The utility model discloses an arc-shaped cabin shed enclosure wall structure for a car roll-on / roll-off ship, proposes an arc-shaped cabin shed structure, wherein arc-shaped plates are arranged at the connection between the front and rear transverse enclosure walls (i.e., the two end enclosure walls) and the longitudinal enclosure walls of the cabin shed, and two fatigue reinforcement structures are arranged in the transition area, which not only solves the fatigue problem at the ends of the cabin shed, but also beautifies the appearance of the cabin shed.
[0033] The utility model improves the fatigue strength of the end area of the engine room shed, solves the difficulty problem of designing the engine room shed of a large automobile roll-on / roll-off ship when increasing the local plate thickness is ineffective, and at the same time, the arc-shaped structure is more beautiful.
[0034] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.
Claims
1. A circular arc-shaped cabin shed wall structure for a car ro-ro ship, comprising a cabin shed fixed to a vehicle deck, the cabin shed comprising two end walls and a longitudinal wall arranged between the two end walls; characterized in that: The end surrounding wall and the longitudinal surrounding wall are fixedly connected by an arc plate; two vertical reinforcements are respectively fixedly arranged on both sides of the arc plate, and a horizontal reinforcement is fixedly arranged between the two vertical reinforcements; the horizontal reinforcement is fixedly connected to the arc plate; the arc plate and the vertical reinforcements are both fixedly connected to the vehicle deck.
2. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: Two vertical reinforcement members located on both sides of the arc-shaped plate are respectively fixed to the end surrounding wall and the longitudinal surrounding wall.
3. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 2, characterized in that: The distance between the vertical reinforcement and the end of the arc plate located on the same side of the vertical reinforcement is not greater than 75 mm.
4. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: The radius of the curved plate shall not be less than 200mm.
5. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 4, characterized in that: The radius of the curved plate is 400 to 700 mm.
6. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: The curved plate and the vertical reinforcement members extend from the upper part of the vehicle deck to the lower part of the vehicle deck; and horizontal reinforcement members are arranged above and below the vehicle deck.
7. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: The distance between the horizontal reinforcement and the vehicle deck shall not exceed 300mm.
8. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: The horizontal reinforcement member is a horizontal plate; the side edge of the horizontal reinforcement member is fixedly connected to the arc plate.
9. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 8, characterized in that: The side edge of the horizontal reinforcement member fixed to the arc-shaped plate is in contact with the arc-shaped plate.
10. The arc-shaped cabin shed wall structure of a car ro-ro ship according to claim 1, characterized in that: The vertical reinforcement is a vertical plate.