CN111959680A - Large-capacity ship and inner shell arrangement method thereof - Google Patents
Large-capacity ship and inner shell arrangement method thereof Download PDFInfo
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- CN111959680A CN111959680A CN202010873437.1A CN202010873437A CN111959680A CN 111959680 A CN111959680 A CN 111959680A CN 202010873437 A CN202010873437 A CN 202010873437A CN 111959680 A CN111959680 A CN 111959680A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B11/00—Interior subdivision of hulls
- B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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Abstract
The invention provides a large-capacity ship and an inner shell arrangement method thereof, wherein the large-capacity ship comprises a bow part, a stern part, a parallel middle body part and a deck, and a ship body transition part is formed between the bow part and the stern part; the ship body transition part comprises an upward folding part, a middle part and a downward folding part, and the upward folding part, the middle part and the downward folding part are fixedly connected in sequence from top to bottom; the middle part comprises a first side plate and a second side plate, the upper sides of the first side plate and the second side plate are fixedly connected with the upward folding part, and the lower sides of the first side plate and the second side plate are fixedly connected with the downward folding part; the first end of the first side plate is fixedly connected with the parallel middle body part, the second end of the first side plate is fixedly connected with the first end of the second side plate, and the second end of the second side plate is fixedly connected with the bow part; an included angle between the first side plate and the deck is alpha, an included angle between the second side plate and the deck is beta, and the included angle alpha is larger than the included angle beta; the large-capacity ship and the arrangement method of the inner shell of the large-capacity ship are simple in process and large in cargo hold capacity.
Description
Technical Field
The invention relates to the field of ship manufacturing, in particular to a large-capacity ship and an inner shell arrangement method of the large-capacity ship.
Background
The steel transport ship body is formed by welding steel plates and sections with various specifications, and is of a watertight hollow structure consisting of a ship bottom, two side boards, a head end, a tail end and a deck. The ship bottom is provided with a single-bottom structure and a double-bottom structure and comprises components such as a ship bottom outer plate (comprising a flat keel), an inner bottom plate, an inner bottom edge plate, a longitudinal skeleton, a transverse skeleton and the like. The ship bottom framework has a transverse framework type and a longitudinal framework type.
The transverse framework type structure consists of members such as ribbed plates (transverse members), a middle truss (longitudinal trusses positioned at the longitudinal center line of the ship bottom, also called as middle inner keels), a side truss (longitudinal trusses positioned at two sides of the longitudinal center line of the ship bottom, also called as side inner keels) and the like; the longitudinal skeleton structure reduces the number of rib plates, but increases the longitudinal skeleton of the ship bottom. The two sides are composed of watertight side planks and skeletons (ribs, side stringers, longitudinals, etc.) for reinforcing them.
The inside of the ship body is provided with a plurality of bulkheads to form cabins with different purposes. The head part and the tail part of the ship are provided with anti-collision bulkheads to respectively form a head tip cabin and a tail tip cabin so as to ensure safety. The engine room for installing the main engine, the auxiliary engine and the auxiliary equipment thereof is generally arranged in the middle or at the tail of the ship. The vertical direction of the ship body is separated by a deck and a platform, and the uppermost layer penetrating the head and the tail is provided with a watertight deck which is called as an upper deck.
The inner shell of the ship cargo hold area adopts a multi-fold line arrangement mode for ensuring the cargo hold capacity, a parallel middle body part adopts a fold line, and the head and the tail of the cargo hold (namely the cargo hold close to the bow and the stern) adopt two or three folds. When the folding lines of different rib positions are not parallel, a triangular plate needs to be adopted excessively, the stress at the folding positions is large, and the construction process is complex.
Disclosure of Invention
In view of the above, it is necessary to provide a large-capacity ship and an inner hull arrangement method of the large-capacity ship, which can simplify the process and increase the capacity.
In order to solve the technical problems, the invention provides a large-capacity ship which comprises a bow part, a stern part, a parallel middle body part and a deck, wherein a ship body transition part is formed between the bow part and the stern part; the ship body transition part comprises an upward folding part, a middle part and a downward folding part, and the upward folding part, the middle part and the downward folding part are fixedly connected in sequence from top to bottom;
the middle part comprises a first side plate and a second side plate, the upper sides of the first side plate and the second side plate are fixedly connected with the upward folding part, and the lower sides of the first side plate and the second side plate are fixedly connected with the downward folding part; the first end of the first side plate is fixedly connected with the parallel middle body part, the second end of the first side plate is fixedly connected with the first end of the second side plate, and the second end of the second side plate is fixedly connected with the bow part;
the included angle between the first side plate and the deck is alpha, the included angle between the second side plate and the deck is beta, and the included angle alpha is larger than the included angle beta.
Preferably, the first side plate and the second side plate intersect to form a fixing welding area, an upper end of the fixing welding area is connected to the upward folding portion, and a lower end of the fixing welding area is connected to the downward folding portion.
Preferably, the included angle between the first side plate and the deck is 32-42 degrees.
Preferably, the angle between the second side plate and the deck is 28-38 degrees.
Preferably, said angle α is 3-8 ° greater than said angle β.
Preferably, an included angle α between the first side plate and the deck is 37 °, and an included angle β between the second side plate and the deck is 32 °.
The invention also provides an inner shell arrangement method of the large-capacity ship, which comprises the following steps:
s1, providing a bow part, a stern part and a parallel middle body part, wherein the stern part and the parallel middle body part are fixedly connected;
s2, providing a deck, fixing the deck on the bow part, the stern part and the parallel middle body part;
s3, providing a first side plate, wherein the first side plate is welded and fixed with the parallel middle body, and an included angle alpha is formed between the first side plate and the deck;
s4, providing a second side plate, wherein the second side plate is welded and fixed with the bow part, and an included angle beta is formed between the second side plate and the deck, and the included angle alpha is larger than the included angle beta;
and S5, welding and fixing the first side plate and the second side plate to obtain the ship.
Preferably, the upper parts of the first side plate and the second side plate are provided with upward folding parts, and the lower parts of the first side plate and the second side plate are provided with downward folding parts;
also comprises the following steps: and S6, welding and fixing the upper sides of the first side plate and the second side plate with the upward folding part, and welding and fixing the lower sides of the first side plate and the second side plate with the downward folding part.
Preferably, the included angle alpha between the first side plate and the deck is 32-42 degrees; the included angle beta between the second side plate and the deck is 28-38 degrees.
Preferably, an included angle α between the first side plate and the deck is 37 °, and an included angle β between the second side plate and the deck is 32 °.
According to the invention, the first side plate and the second side plate are arranged between the parallel middle body part and the bow part, the upper sides and the lower sides of the first side plate and the second side plate are respectively and fixedly connected with the upward folding part and the downward folding part, and the inclination angle of the second side plate relative to the deck is smaller than that of the first side plate relative to the deck, so that the cargo hold capacity is increased, the connection position of a triangular plate is avoided, and the process is simplified.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a side view of a high capacity marine vessel in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic diagram of a part of the layout structure of the inner hull of the ship hull in the preferred embodiment of the invention.
In fig. 1 and 2: 1. a bow portion; 2. a stern part; 3. a parallel middle body portion; 4. a deck; 5. a transition section; 51. an upward folded part; 52. an intermediate portion; 521. a first side plate; 522. a second side plate; 523. fixing the welding area; 53. a fold-down portion.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, an embodiment of the present invention provides a large-capacity ship including a bow part 1, a stern part 2, a parallel mid-body part 3, and a deck 4. The oil tanker cargo hold with the specification requirement of more than a certain tonnage is required to be provided with double-shell protection of an inner shell and an outer shell, the inner shell is changed due to the linear narrowing of the ship in the head cargo hold part and the tail cargo hold part, therefore, a ship body transition part 5 is formed between the ship head part 1 and the ship tail part 2, and the shape of the inner shell of the ship body transition part 5 influences the cargo hold capacity of the cargo hold at the position. In the present invention, the bow part 1 refers to the forward tank and the hull before the forward tank, and the transition part 5 refers to the cargo hold part between the forward tank and the parallel middle body part 3. The hull transition part 5 comprises an upward folding part 51, an intermediate part 52 and a downward folding part 53, and the upward folding part 51, the intermediate part 52 and the downward folding part 53 are fixedly connected in sequence from top to bottom. The middle portion 52 includes a first side plate 521 and a second side plate 522 (the first side plate 521 and the second side plate 522 are part of the inner shell of the transition portion), the upper sides of the first side plate 521 and the second side plate 522 are fixedly connected to the upper folded portion 51, and the lower sides of the first side plate 521 and the second side plate 522 are fixedly connected to the lower folded portion 53. The first end of the first side plate 521 is fixedly connected to the parallel middle body portion 3, the second end of the first side plate 521 is fixedly connected to the first end of the second side plate 522, and the second end of the second side plate 522 is fixedly connected to the bow portion 1. When the first side plate 521 and the second side plate 522 are connected with other positions, a triangular plate is not needed for transition, the process is simple, and the problem of insufficient strength caused by stress concentration is avoided. The included angle between the first side plate 521 and the deck 4 is α, the included angle between the second side plate 522 and the deck 4 is β, the included angle α is greater than the included angle β, and it should be noted that the included angle α and the included angle β refer to an acute angle formed by intersecting two surfaces. The angle between the clip β and the deck 4 is small and the outward inclination of the second side plate 522 is large, resulting in a larger capacity inside the cargo hold.
In a preferred embodiment, the intermediate portion 52 further includes a first strong frame and a second strong frame, which are reinforcing frames formed by the framework of the hull. The first strong frame and the second strong frame are fixedly connected, the first side plate 521 is fixedly connected to the first strong frame, and the second side plate 522 is fixedly connected to the second strong frame. The first side plate 521 and the second side plate 522 intersect to form a fixing welding area 523, the upper end of the fixing welding area 523 is connected to the upper folded portion 51, and the lower end of the fixing welding area 523 is connected to the lower folded portion 53. Only if the upper and lower ends of the fixing land 523 are connected to the folded-up portion 51 and the folded-down portion 53, the use of the triangle can be avoided, thereby avoiding the problem of stress concentration.
In a preferred embodiment, the angle α between the first side panel 521 and the deck 4 is 32 ° -42 °, in particular the angle α between the first side panel 521 and the deck 4 is 33 °, or 35 °, or 36 °, or 37 °, or 38 °, or 39 °, or 40 °.
In a preferred embodiment the angle beta between the second side plate 522 and the deck 4 is 28 deg. -38 deg., in particular the angle beta between the second side plate 522 and the deck 4 is 30 deg. or 31 deg. or 32 deg. or 33 deg. or 34 deg. or 36 deg..
In a preferred embodiment, angle α is 3-8 ° greater than angle β. Specifically, the angle α between the first side plate 521 and the deck 4 is 37 °, the angle β between the second side plate 522 and the deck 4 is 32 °, and as a result of many experiments and practices, when α is 37 ° and β is 32 °, the tensile strength of the ship body is the best, and the cargo hold capacity is also sufficiently large.
The invention also provides an inner shell arrangement method of the large-capacity ship, which comprises the following steps:
s1, providing a bow part 1, a stern part 2 and a parallel middle body part 3, wherein the stern part 2 and the parallel middle body part 3 are fixedly connected;
s2, providing a deck 4, fixing the deck 4 on the bow part 1, the stern part 2 and the parallel middle body part 3;
s3, providing a first side plate 521, wherein the first side plate 521 is welded and fixed with the parallel middle body part 3, and an included angle alpha is formed between the first side plate 521 and the deck 4, wherein the included angle alpha is larger than the included angle beta;
s4, providing a second side plate 522, welding and fixing the second side plate 522 and the bow part 1, and enabling the second side plate 522 and the deck 4 to form an included angle beta;
and S5, welding and fixing the first side plate 521 and the second side plate 522 to obtain the ship. The area where the welding is formed is a fixing weld area 523.
In a preferred embodiment, the upper parts of the first side plate 521 and the second side plate 522 are provided with upward folded parts 51, and the lower parts of the first side plate 521 and the second side plate 522 are provided with downward folded parts 53;
also comprises the following steps: s6, the upper sides of the first side plate 521 and the second side plate 522 are welded and fixed to the upper folded portion 51, and the lower sides of the first side plate 521 and the second side plate 522 are welded and fixed to the lower folded portion 53.
It should be noted that the above-mentioned steps S1-S6 are only for convenience of description, and do not limit the sequence of the steps.
In practical operation, the ship structure is generally designed and then manufactured, so when designing the ship, a ship swelling section parameter (cross-sectional view), that is, an angle α of the first side plate 521 relative to the deck, is determined according to the main dimension of the ship, then an upper end point and a lower end point of the fixed welding zone 523 are found through the strong frame interval, a connection line of the two is the fixed welding zone 523, and then an angle β of the second side plate 522 relative to the deck is obtained through reverse thrust. When the first side plate 521 and the second side plate 522 are welded, the welding can be performed according to the calculated angle.
In a preferred embodiment, the angle α between the first side panel 521 and the deck 4 is 32 ° -42 °, in particular the angle α between the first side panel 521 and the deck 4 is 33 °, or 35 °, or 36 °, or 37 °, or 38 °, or 39 °, or 40 °. The angle β between the second side plate 522 and the deck 4 is 28 ° -38 °, in particular the angle β between the second side plate 522 and the deck 4 is 30 °, or 31 °, or 32 °, or 33 °, or 34 °, or 36 °.
In the preferred embodiment, the angle α between the first side plate 521 and the deck 4 is 37 °, the angle β between the second side plate 522 and the deck 4 is 32 °, and it is found through many experiments and practices that when α is 37 ° and β is 32 °, the tensile strength of the ship body is the best, and the cargo hold capacity is also sufficiently large.
According to the invention, the first side plate 521 and the second side plate 522 are arranged between the parallel middle body part 3 and the bow part 1, the upper side and the lower side of the first side plate 521 and the second side plate 522 are respectively and fixedly connected with the upper folding part 51 and the lower folding part 53, and the inclination angle of the second side plate 522 relative to the deck 4 is smaller than that of the first side plate 521 relative to the deck 4, so that the cargo hold capacity is increased, the connection position of a triangular plate is avoided, and the process is simplified. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A large-capacity ship is characterized by comprising a bow part (1), a stern part (2), a parallel middle body part (3) and a deck (4), wherein a ship body transition part (5) is formed between the bow part (1) and the stern part (2); the ship body transition part (5) comprises an upward folding part (51), an intermediate part (52) and a downward folding part (53), and the upward folding part (51), the intermediate part (52) and the downward folding part (53) are fixedly connected in sequence from top to bottom;
the middle part (52) comprises a first side plate (521) and a second side plate (522), the upper sides of the first side plate (521) and the second side plate (522) are fixedly connected with the upward folding part (51), and the lower sides of the first side plate (521) and the second side plate (522) are fixedly connected with the downward folding part (53); the first end of the first side plate (521) is fixedly connected with the parallel middle body part (3), the second end of the first side plate (521) is fixedly connected with the first end of the second side plate (522), and the second end of the second side plate (522) is fixedly connected with the bow part (1);
the included angle between the first side plate (521) and the deck (4) is alpha, the included angle between the second side plate (522) and the deck (4) is beta, and the included angle alpha is larger than the included angle beta.
2. A large-capacity ship according to claim 1, wherein the first side plate (521) and the second side plate (522) intersect to form a fixing welding area (523), the upper end of the fixing welding area (523) is connected to the folded-up portion (51), and the lower end of the fixing welding area (523) is connected to the folded-down portion (53).
3. Hold vessel according to claim 1, wherein the angle a between the first side plate (521) and the deck (4) is 32 ° -42 °.
4. A hold vessel according to claim 1, characterised in that the angle β between the second side plate (522) and the deck (4) is 28 ° -38 °.
5. A large-capacity ship according to claim 1, wherein said included angle α is 3-8 ° greater than said included angle β.
6. Hold vessel according to claim 5, wherein the angle α between the first side plate (521) and the deck (4) is 37 ° and the angle β between the second side plate (522) and the deck (4) is 32 °.
7. A method of arranging an inner hull of a large-capacity ship, comprising the steps of:
s1, providing a bow part (1), a stern part (2) and a parallel middle body part (3), wherein the stern part (2) and the parallel middle body part (3) are fixedly connected;
s2, providing a deck (4), and fixing the deck (4) on the bow part (1), the stern part (2) and the parallel middle body part (3);
s3, providing a first side plate (521), wherein the first side plate (521) is welded and fixed with the parallel middle body part (3), and an included angle alpha is formed between the first side plate (521) and the deck (4);
s4, providing a second side plate (522), wherein the second side plate (522) is welded and fixed with the bow part (1), and an included angle beta is formed between the second side plate (522) and the deck (4), wherein the included angle alpha is larger than the included angle beta;
and S5, welding and fixing the first side plate (521) and the second side plate (522) to obtain the ship.
8. An inner hull arrangement method of a large-capacity ship according to claim 7, characterized in that the upper parts of said first side plate (521) and said second side plate (522) are provided with an upturned part (51), and the lower parts of said first side plate (521) and said second side plate (522) are provided with a downturned part (53);
also comprises the following steps: and S6, welding and fixing the upper sides of the first side plate (521) and the second side plate (522) and the upper folded part (51), and welding and fixing the lower sides of the first side plate (521) and the second side plate (522) and the lower folded part (53).
9. Method for arranging an inner hull of a large-capacity ship according to claim 7, characterized in that the angle a between the first side plate (521) and the deck (4) is 32 ° -42 °; the included angle beta between the second side plate (522) and the deck (4) is 28-38 degrees.
10. An inner hull arrangement method according to claim 7, characterised in that the angle α between the first side plate (521) and the deck (4) is 37 °, and the angle β between the second side plate (522) and the deck (4) is 32 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010873437.1A CN111959680A (en) | 2020-08-26 | 2020-08-26 | Large-capacity ship and inner shell arrangement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010873437.1A CN111959680A (en) | 2020-08-26 | 2020-08-26 | Large-capacity ship and inner shell arrangement method thereof |
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| CN111959680A true CN111959680A (en) | 2020-11-20 |
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