Chain locker structure and ship
By designing the arc-shaped anchor chain cabin structure, the construction difficulties of anchor chain cabin on ships with a pointed bow and the long length of anti-collision bulkheads are solved, the feasibility of construction and the expansion of the cargo hold area are achieved, and the profit margin of the ship is improved.
Patent Information
- Application Number
- CN202421885709.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The existing anchor chain cabin structure is difficult to construct on ships with a pointed bow, and the length of the anti-collision bulkhead needs to be increased, affecting the cargo hold and profit margin.
An anchor chain cabin structure is designed, arranged in the bow area surrounded by the outer plate of the hull, adopting an arc-shaped first bulkhead and two oppositely arranged second bulkheads. The arc center angle of the first bulkhead is greater than 180° to control the distance between the anchor chain cabin and the ship line type and reduce the length of the anti-collision bulkhead.
The effective control of the linear distance between the anchor chain compartment and the ship is achieved, ensuring construction feasibility, reducing the length of the anti-collision bulkhead, increasing the area range of the cargo compartment, and improving the profit margin of the ship.
Smart Images
Figure CN222808253U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ships, in particular to an anchor chain compartment structure and a ship. Background Art
[0002] At present, most ships are equipped with anchor chains for anchoring and positioning. The chain locker is a compartment for storing anchor chains, which is generally located at the bow of the ship. The midship area is the cargo hold area, which is the main profit space of the ship. As ship design is increasingly pursuing energy efficiency, the bow design of ships is becoming more and more pointed, especially for some ships with a smaller square coefficient. In theory, the area behind the ship's collision bulkhead can be designed as a cargo hold area, but the chain locker is usually set in front of the cargo hold area to avoid affecting the cargo hold loading. The closer the chain locker is arranged to the front, the thinner the ship's line shape is, and the greater the influence of the line shape on the chain locker arrangement, therefore, it is often necessary to balance the relationship between the collision bulkhead, the chain locker arrangement and the bow line shape in ship design to meet the design requirements.
[0003] In the prior art, such as Figure 1 As shown, the anchor chain locker structure 5 is usually circular, square or a combination of shapes. Occasionally, there may be polygons, which can be referred to Figure 2 The chain locker structure 5 usually has cross-sectional area and depth requirements to meet the needs of accommodating the anchor chain. Ships usually adopt plate frame structures. The interior of the chain locker structure 5 requires a smooth bulkhead, and the reinforcement frame is usually arranged outside the chain locker structure 5 to prevent the frame from hooking the anchor chain and affecting the collection and release of the anchor chain.
[0004] In order to ensure the safety of the ship's navigation, the ship needs to be equipped with a collision bulkhead 3. The location of the collision bulkhead 3 needs to meet the requirement of at least 5% L length from the bow, where L is the load line length of the ship. Figure 3 The collision bulkhead 3 is usually also a plate frame structure, and is provided with a stiffener 8 of no more than a certain span to meet the structural strength requirements. Since the cargo hold area is behind the collision bulkhead 3, the stiffener 8 of the collision bulkhead 3 should be set on one side of the forepeak tank to ensure that the end wall of the cargo hold area is flat.
[0005] like Figure 4 As shown, the chain locker structure 5 adopts a square design. Figure 4 As can be seen from the figure, in order to ensure the flatness of the chain locker structure 5, the stiffener 8 of the collision bulkhead 3 needs to be arranged on one side of the cargo hold, which is inconvenient for cargo loading and unloading. On the other hand, the distance between the stiffener 8 and the chain locker structure 5 at the FR150 section position is only slightly greater than 200 mm, and personnel cannot enter the area on both sides of the chain locker structure 5 for construction. Figure 5 If the chain locker structure 5 adopts a circular design, such as Figure 6As shown in the figure, although the outer plate position can be entered for construction, the gap between the anchor chain locker structure 5 and the collision bulkhead 3 is too small, and personnel still cannot enter for construction. The anchor chain locker structure 5 adopts a circular and square combination type anchor chain locker structure 5, and the frame needs to be set on the side of the cargo hold area, which is not convenient for cargo loading and unloading. Figure 7 As shown, if the frame is arranged inside the anchor chain compartment structure 5, the anchor chain may be hooked, thus affecting the retraction and deployment of the anchor chain.
[0006] However, the above-mentioned chain locker structure 5 has the following defects: 1. When the same chain locker structure 5 is set at the same position, construction is difficult; 2. When the back of the chain locker structure 5 is the cargo hold area, the back of the chain locker structure 5 needs to be additionally strengthened, which affects the cargo loading in the cargo hold.
[0007] Therefore, there is an urgent need for a chain locker structure and a ship to solve the above-mentioned technical problems. Utility Model Content
[0008] The utility model aims to provide an anchor chain locker structure and a ship, which can effectively control the distance between the anchor chain locker and the line type, ensure the feasibility of construction, and can minimize the length of the anti-collision bulkhead in design, increase the range of the cargo hold area, and improve the profit margin of the ship.
[0009] To achieve this purpose, the utility model adopts the following technical solutions:
[0010] On the one hand, a chain locker structure is provided, which is arranged in a bow area of a ship surrounded by a hull outer plate, the bow area of the ship is separated from a cargo hold area surrounded by a hull outer plate by a collision avoidance bulkhead, and a forecastle deck is arranged in the bow area of the ship, the chain locker structure comprises an arc-shaped first bulkhead and two oppositely arranged second bulkheads, the arc center angle of the first bulkhead is greater than 180°, the two ends of the first bulkhead are respectively connected to one end of the second bulkhead, the other end of the second bulkhead is fixedly connected to the collision avoidance bulkhead, and the first bulkhead and the second bulkhead are respectively connected to the forecastle deck.
[0011] As a preferred technical solution of the above-mentioned anchor chain locker structure, the arc center angle of the first bulkhead is 210°-300°.
[0012] As a preferred technical solution of the above-mentioned chain locker structure, two of the second bulkheads are arranged in parallel.
[0013] As a preferred technical solution of the above-mentioned chain locker structure, the second bulkhead is arranged perpendicular to the anti-collision bulkhead.
[0014] As a preferred technical solution of the above-mentioned chain locker structure, the two second bulkheads are arranged at an angle.
[0015] As a preferred technical solution for the above-mentioned chain locker structure, the first bulkhead, the second bulkhead and the collision bulkhead are all steel watertight structures.
[0016] On the other hand, a ship is provided, characterized in that it includes the anchor chain compartment structure described in any of the above schemes.
[0017] As a preferred technical solution for the above-mentioned ship, there are two anchor chain lockers, and the two anchor chain lockers are symmetrically arranged along the central axis of the forward direction of the hull.
[0018] As a preferred technical solution of the above-mentioned ship, it also includes an upper deck, and the forecastle deck and the upper deck are arranged in sequence from top to bottom, and the width ratio of the forecastle deck to the upper deck is (2-3):1.
[0019] The utility model has at least the following beneficial effects:
[0020] The chain locker structure is arranged in the bow area of the ship surrounded by the hull outer plate. The bow area of the ship is separated from the cargo hold area surrounded by the hull outer plate by the collision bulkhead. The bow area of the ship is provided with a forecastle deck. The chain locker structure includes an arc-shaped first bulkhead and two oppositely arranged second bulkheads. The arc center angle of the first bulkhead is greater than 180°, which can effectively control the distance between the chain locker and the ship line shape and ensure the feasibility of construction. The two ends of the first bulkhead are respectively connected to one end of the second bulkhead, and the other end of the second bulkhead is fixedly connected to the collision bulkhead. Such an arrangement can minimize the length of the collision bulkhead, increase the scope of the cargo hold area, and improve the profit margin of the ship. The first bulkhead and the second bulkhead are respectively connected to the forecastle deck. In addition, the second bulkhead can be directly welded to the collision bulkhead and used as a collision bulkhead stiffener, thereby avoiding the need to add stiffeners on the back of the collision bulkhead. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0022] Figure 1 The anchor chain locker structure provided in the background technology Figure 1 ;
[0023] Figure 2 The anchor chain locker structure provided in the background technology Figure 2 ;
[0024] Figure 3A partial cross-sectional view of a ship provided in the background technology Figure 1 ;
[0025] Figure 4 A partial view of a ship provided in the background technology Figure 1 ;
[0026] Figure 5 for Figure 4 A cross-sectional view of
[0027] Figure 6 A partial view of a ship provided in the background technology Figure 2 ;
[0028] Figure 7 A partial view of a ship provided in the background technology Figure 3 ;
[0029] Figure 8 The partial view of the ship provided by the embodiment of the utility model Figure 1 ;
[0030] Fig. 9 for Figure 8 sectional view of .
[0031] In the figure:
[0032] 1. Hull shell; 2. Cargo hold area; 3. Collision bulkhead; 4. Fore deck; 5. Chain locker structure; 51. First bulkhead; 52. Second bulkhead; 6. Upper deck; 7. Bow thruster passage; 8. Stiffener; 9. Waterline. DETAILED DESCRIPTION
[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0036] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0037] The chain locker provided in the prior art is not easy to construct for ships with sharp bows, and requires additional reinforcement materials, which has a high requirement on the length of the collision bulkhead.
[0038] To this end, the utility model provides a chain locker structure 5 and a ship, which can effectively control the distance between the chain locker and the line shape, ensure the feasibility of construction, and can minimize the length of the anti-collision bulkhead 3 in the design, increase the range of the cargo hold area 2, and improve the profit margin of the ship.
[0039] like Figure 8 and Fig. 9 As shown, the chain locker structure 5 is arranged in the bow area of the ship surrounded by the hull outer plate 1, the bow area of the ship is separated from the cargo hold area 2 surrounded by the hull outer plate 1 by the collision bulkhead 3, and the bow area of the ship is provided with a forecastle deck 4, the chain locker structure 5 includes an arc-shaped first bulkhead 51 and two oppositely arranged second bulkheads 52, the arc center angle of the first bulkhead 51 is greater than 180°, the two ends of the first bulkhead 51 are respectively connected to one end of the second bulkhead 52, the other end of the second bulkhead 52 is fixedly connected to the collision bulkhead 3, and the first bulkhead 51 and the second bulkhead 52 are respectively connected to the forecastle deck 4.
[0040] Since the chain locker structure 5 includes an arc-shaped first bulkhead 51 and two oppositely arranged second bulkheads 52, the arc center angle of the first bulkhead 51 is greater than 180°, so the chain locker is an Ω-type chain locker, which can effectively control the distance between the chain locker and the ship's line shape, ensure construction feasibility, and meet construction needs. The two ends of the first bulkhead 51 are respectively connected to one end of the second bulkhead 52, and the other end of the second bulkhead 52 is fixedly connected to the anti-collision bulkhead 3. Such a setting can minimize the length of the anti-collision bulkhead 3, increase the scope of the cargo hold area 2, and improve the profit space of the ship. It can ensure that there is no structure in the chain locker, which is suitable for ships with a thin bow. In addition, the second bulkhead 52 can be directly welded to the anti-collision bulkhead 3 and used as a stiffener 8 of the anti-collision bulkhead 3, so as to avoid adding a stiffener 8 on the back of the anti-collision bulkhead 3. It is conducive to meeting the line shape requirements, minimizing the length of the anti-collision bulkhead 3, increasing the scope of the cargo hold area 2, and improving the profit space of the ship.
[0041] In some embodiments, the arc center angle of the first bulkhead 51 is 210°-300°. Optionally, the arc center angle of the first bulkhead 51 is 210°, 220°, 230°, 240°, 250°, 260°, 270°, 280°, 290° or 300°, which is not specifically limited in this embodiment. Preferably, the arc center angle of the first bulkhead 51 is 300°, which can make the first bulkhead 51 closer to a circle, so that the distance between the two ends of the first bulkhead 51 is smaller, which can reduce the length requirement of the anti-collision bulkhead 3.
[0042] In some embodiments, the two second bulkheads 52 are arranged in parallel. In this way, the second bulkheads 52 receive the force transmitted by the anti-collision bulkhead 3 and support the anti-collision bulkhead 3. Furthermore, the second bulkheads 52 are arranged perpendicular to the anti-collision bulkhead 3, which can better support the anti-collision bulkhead 3.
[0043] Of course, in some other embodiments, the two second bulkheads 52 are arranged at an angle, which can also reduce the length requirement of the anti-collision bulkhead 3 and also achieve the purpose of supporting the anti-collision bulkhead 3.
[0044] In some embodiments, the first bulkhead 51, the second bulkhead 52 and the collision bulkhead 3 are all steel watertight structures.
[0045] An embodiment of the utility model further provides a ship, comprising the anchor chain compartment structure 5 provided in the above embodiment.
[0046] Specifically, there are two anchor chain locker structures 5, and the two anchor chain locker structures 5 are arranged symmetrically along the central axis of the forward direction of the hull, so as to increase the storage space for the anchor chain. In addition, the two anchor chain locker structures 5 are arranged at intervals, and a bow thruster passage 7 can be formed between the two.
[0047] In some embodiments, the ship further includes an upper deck 6, the forecastle deck 4 and the upper deck 6 are arranged in sequence from top to bottom, and the width ratio of the forecastle deck 4 to the upper deck 6 is (2-3): 1. This can ensure that the bow of the ship is narrower and longer, and this limitation can ensure that personnel can enter the positions on both sides of the anchor chain locker for construction.
[0048] Since the above-mentioned anchor chain compartment structure 5 is included, the ship of the embodiment of the utility model has all the advantages and beneficial effects of the above-mentioned embodiments, which will not be described in detail here.
[0049] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. An anchor chain locker structure, arranged in a bow area of a ship surrounded by a hull outer plating (1), the bow area of the ship being separated from a cargo hold area (2) surrounded by a hull outer plating (1) by a collision bulkhead (3), the bow area of the ship being provided with a forecastle deck (4), characterized in that: The chain locker structure comprises an arc-shaped first bulkhead (51) and two oppositely arranged second bulkheads (52), wherein the arc center angle of the first bulkhead (51) is greater than 180°, the two ends of the first bulkhead (51) are respectively connected to one end of the second bulkhead (52), the other end of the second bulkhead (52) is fixedly connected to the anti-collision bulkhead (3), and the first bulkhead (51) and the second bulkhead (52) are respectively connected to the forecastle deck (4).
2. The chain locker structure according to claim 1, characterized in that: The arc center angle of the first bulkhead (51) is 210°-300°.
3. The chain locker structure according to claim 1, characterized in that: The two second bulkheads (52) are arranged in parallel.
4. The chain locker structure according to claim 1, characterized in that: The second bulkhead (52) is arranged perpendicularly to the anti-collision bulkhead (3).
5. The chain locker structure according to claim 1, characterized in that: The two second bulkheads (52) are arranged at an angle.
6. The chain locker structure according to claim 1, characterized in that: The first bulkhead (51), the second bulkhead (52) and the collision bulkhead (3) are all steel watertight structures.
7. A ship, characterized in that: It comprises the chain locker structure (5) as claimed in any one of claims 1 to 6.
8. The ship according to claim 7, characterized in that: There are two anchor chain lockers, and the two anchor chain lockers are symmetrically arranged along the central axis of the forward direction of the hull.
9. The ship according to claim 7, characterized in that: It also includes an upper deck (6), wherein the forecastle deck (4) and the upper deck (6) are arranged in sequence from top to bottom, and the width ratio of the forecastle deck (4) to the upper deck (6) is (2-3):1.