CN113120171B

CN113120171B - Ship

Info

Publication number: CN113120171B
Application number: CN201911422079.6A
Authority: CN
Inventors: 吴建祥; 张�浩; 李新; 郭海强; 龚景景; 刘永胜
Original assignee: China International Marine Containers Group Co Ltd; CIMC Ocean Engineering Design and Research Institute Co Ltd
Current assignee: China International Marine Containers Group Co Ltd; CIMC Ocean Engineering Design and Research Institute Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2024-09-13
Anticipated expiration: 2039-12-31
Also published as: CN113120171A

Abstract

The invention provides a ship, which comprises a ship body, a superstructure and a crane base, wherein the superstructure and the crane base are arranged on the ship body. The superstructure comprises a top deck, a plurality of superstructure decks and a plurality of bulkheads; the plurality of bulkheads includes a transversely extending transverse bulkhead and a longitudinally extending longitudinal bulkhead; the crane base comprises a base main body and a reinforcing seat arranged below the base main body; the bottom of the base main body is arranged on the upper building deck at the uppermost layer, and the top of the base main body upwards exceeds the top deck; the reinforcing seat is embedded in the superstructure and comprises a reinforcing cylinder, a transverse reinforcing plate and a longitudinal reinforcing plate which are positioned in the reinforcing cylinder; the reinforcing seat is arranged between two adjacent upper building decks, the top of the reinforcing seat is connected with the uppermost upper building deck, and the outer wall of the reinforcing cylinder is fixedly connected with the adjacent transverse bulkhead and the adjacent longitudinal bulkhead; the transverse reinforcing plate and the longitudinal reinforcing plate extend vertically, the transverse reinforcing plate and the transverse bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane, and the longitudinal reinforcing plate and the longitudinal bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane.

Description

Ship

Technical Field

The invention relates to the field of ships, in particular to a ship.

Background

Shipping vessels such as containers and heavy vessels are generally equipped with a plurality of cranes for loading and unloading cargo. The crane is also called as a ship crane and a ship crane, and is a large deck machine on a ship. For the container ship with the tail part needing to load and unload the container, the crane needs to be arranged on a deck of a superstructure in order to save space. The conventional crane is generally installed on the main deck through a crane base and is reinforced through a reinforcing structure, but the space required by the reinforcing structure of the scheme is larger, and the crane base arranged at the tail of the ship is not suitable for reinforcement.

Disclosure of Invention

The invention aims to provide a ship with a crane base occupying small space, so as to solve the problems in the prior art.

In order to solve the above technical problems, the present invention provides a ship, comprising: a hull; the superstructure is arranged on a main deck of the ship body; the superstructure comprises a top deck, a plurality of layers of superstructure decks below the top deck, and a plurality of bulkheads erected between the top deck and the superstructure decks and between two adjacent layers of superstructure decks; the plurality of bulkheads includes a transverse bulkhead extending transversely and a longitudinal bulkhead extending longitudinally; the crane base comprises a base main body and a reinforcing seat arranged below the base main body; the bottom of the base main body is arranged on an upper building deck at the uppermost layer, and the top of the base main body upwards exceeds the top deck; the reinforcing seat is embedded in the superstructure and comprises a reinforcing cylinder, a transverse reinforcing plate and a longitudinal reinforcing plate which are positioned in the reinforcing cylinder; the reinforcing seat is arranged between two adjacent upper building decks, the top of the reinforcing seat is connected with the uppermost upper building deck, and the outer wall of the reinforcing cylinder is fixedly connected with the adjacent transverse bulkhead and the adjacent longitudinal bulkhead; the transverse reinforcing plate and the longitudinal reinforcing plate extend vertically and are arranged in a crossed mode, the transverse reinforcing plate and the transverse bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane, and the longitudinal reinforcing plate and the longitudinal bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane.

In one embodiment, the side surface of the reinforcing seat protrudes out of the outer side surface of the superstructure.

In one embodiment, the outer side of the upper building deck at the uppermost layer is convexly provided with a reinforcing arc plate, the top of the reinforcing seat is fixedly connected with the reinforcing arc plate, and the bottom of the reinforcing seat extends to the upper building deck adjacent to the upper building deck at the uppermost layer.

In one embodiment, the part of the reinforcement cylinder exposed out of the superstructure is provided with an inclined opening, and the inclined opening extends outwards from the bottom to the top of the reinforcement cylinder; the reinforcing seat further comprises a sealing plate which is arranged at the inclined opening to seal the reinforcing cylinder, and the bottom end of the sealing plate is fixedly connected with the outer side face of the superstructure.

In one embodiment, the outer side of the top deck is protruded with a reinforced arc plate, the reinforced arc plate and the center of the reinforced arc plate are positioned on the same straight line, the top of the base body is fixedly connected with the reinforced arc plate, and the bottom of the base body is fixedly connected with the reinforced arc plate.

In one embodiment, the cross section of the reinforcing seat is circular, the center of the reinforcing seat and the center of the base main body are located on the same straight line, and the diameter of the reinforcing seat is the same as the diameter of the base main body.

In one embodiment, a plurality of reinforcing toggle plates are arranged between the periphery of the base main body and the reinforcing arc plates respectively; the plurality of reinforcing toggle plates includes a transverse reinforcing toggle plate that is coplanar with the transverse bulkhead and a vertical reinforcing toggle plate that is coplanar with the longitudinal bulkhead.

In one embodiment, the base body comprises a cylindrical base barrel and a base reinforcing structure positioned in the base barrel; the outer wall of the base cylinder is fixedly connected with the adjacent transverse bulkhead or the adjacent longitudinal bulkhead, and the axis of the base cylinder, the transverse bulkhead and the longitudinal bulkhead are positioned on the same plane; the base reinforcing structure comprises a transverse reinforcing plate and a longitudinal reinforcing plate which are arranged in a crossing mode, the transverse reinforcing plate and the longitudinal reinforcing plate extend vertically, and the transverse reinforcing plate and the longitudinal reinforcing plate pass through the axis of the reinforcing cylinder.

In one embodiment, the transverse reinforcing plate and the longitudinal reinforcing plate are provided with lightening holes;

The lightening holes are long waist round holes.

In one embodiment, the device further comprises an extension seat positioned below the reinforcement seat; the extension seat comprises an extension cylinder and a first reinforcing plate positioned in the extension cylinder, the outer side surface of the extension cylinder is flush with the outer side surface of the superstructure, and the first reinforcing plate and the longitudinal reinforcing plate are positioned on the same plane.

According to the technical scheme, the invention has the advantages and positive effects that:

The ship comprises a hull, a superstructure and a crane base. The crane base comprises a base body and a reinforcing seat. The bottom of the base cylinder is arranged on the upper building deck on the uppermost layer, and the top of the base cylinder penetrates through the top deck. The reinforcing seat is embedded in the superstructure and arranged between two adjacent superstructure decks, and the top of the reinforcing seat is connected with the uppermost superstructure deck, so that the reinforcing seat only extends downwards for one superstructure deck relative to the base body, the space occupied by the crane base on the superstructure is reduced, and equipment is conveniently arranged below the crane base.

And the outer wall of the reinforcing cylinder is fixedly connected with the adjacent transverse bulkhead and the longitudinal bulkhead, the inner wall of the reinforcing cylinder is fixedly connected with the transverse reinforcing plate and the longitudinal reinforcing plate, the transverse reinforcing plate is in the same plane with the transverse bulkhead connected with the outer wall of the reinforcing cylinder, and the longitudinal reinforcing plate is in the same plane with the longitudinal bulkhead connected with the outer wall of the reinforcing cylinder, so that the stress on the crane base can be dispersed to the transverse bulkhead and the longitudinal bulkhead and is dispersed to the upper building deck, and the strength of the crane base is improved.

Drawings

FIG. 1 is a schematic view of a marine vessel according to the present invention;

FIG. 2 is a vertical cross-sectional view of the vessel according to the invention;

fig. 3 is a transverse cross-sectional view of the vessel according to the invention.

Wherein reference numerals are as follows:

1. a vessel; 111. a main deck; 12. an upper building; 121. a top deck; 122. building a deck on a fourth layer; 123. building a deck on a third layer; 124. building a deck on the second layer; 125. building a deck on the first layer; 126. a transverse bulkhead; 127. a longitudinal bulkhead; 128. reinforcing an arc plate; 129. reinforcing an arc plate; 13. a crane base; 131. a base body; 1311. a base barrel; 1312. a transverse reinforcing plate; 1313. a longitudinal reinforcing plate; 132. a reinforcing seat; 1321. a reinforcing cylinder; 1322. a transverse reinforcing plate; 1323. longitudinal reinforcing plates; 1324. a sealing plate; 133. an extension seat; 1331. an extension cylinder; 1332. a first reinforcing plate; 134. reinforcing the toggle plate.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It will be understood that the invention is capable of various modifications in various embodiments, all without departing from the scope of the invention, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the invention.

For the purpose of further illustrating the principles and structure of the present invention, preferred embodiments of the invention will now be described in detail with reference to the accompanying drawings.

In describing the azimuth, the invention takes the length direction of the ship as the longitudinal direction, the width direction of the ship as the transverse direction and the height direction of the ship as the vertical direction.

The ship can be a container ship, a bulk cargo ship, a heavy crane ship and the like. In this embodiment, a container ship will be described as an example.

The vessel 1 in this embodiment is intended to carry containers. Referring to fig. 1, the ship 1 includes a hull, a superstructure 12 provided on the hull, and a crane base 13 provided on the superstructure 12.

The hull includes a main deck 111.

The superstructure 12 is arranged on a main deck 111. Specifically, in this embodiment, superstructure 12 is located near the aft end of main deck 111.

The superstructure 12 is a multi-story structure. Specifically, superstructure 12 includes a top deck 121, a plurality of superstructure decks below top deck 121, and a plurality of bulkheads. In this embodiment, the upper building deck includes a fourth upper building deck 122, a third upper building deck 123, a second upper building deck 124 and a first upper building deck 125, which are sequentially arranged from top to bottom. In other embodiments, other numbers of the upper decks are arranged at intervals in the height direction according to actual requirements.

The outer side of the top deck 121 is projected with reinforcing arc plates 128. Specifically, the reinforcing arc plate 128 is located at the tail end of the top deck 121 and protrudes outward, such that the reinforcing arc plate 128 is suspended. In this embodiment, the reinforcing arc 128 is fixedly attached to the top deck 121 by welding. In other embodiments, the reinforcing arc 128 may also be integrally formed with the top deck 121.

The outer side of the fourth upper building deck 122 is protruded with a reinforcing arc plate 129, and the center of the reinforcing arc plate 129 and the center of the reinforcing arc plate 128 are positioned on the same straight line. Specifically, the reinforcing arc plate 129 is located at the tail end of the fourth upper building deck 122 and protrudes outward, so that the reinforcing arc plate 129 is suspended. In this embodiment, the reinforcing arc plate 129 is fixedly connected to the fourth upper deck plate 122 by welding. In other embodiments, the stiffening arc 129 may also be integrally formed with the fourth upper deck 122.

The bulkheads stand between the top deck 121 and the fourth upper building deck 122, between the fourth upper building deck 122 and the third upper building deck 123, between the third upper building deck 123 and the second upper building deck 124, and between the second upper building deck 124 and the first upper building deck 125. Specifically, the bulkhead includes a plurality of transverse bulkheads 126 extending transversely and a plurality of longitudinal bulkheads 127 extending longitudinally. The transverse bulkhead 126 and the longitudinal bulkhead 127 each enclose a deck located on the top wall of the bulkhead and a deck located on the bottom of the bulkhead to form a compartment. For example, a plurality of transverse bulkheads 126, a plurality of longitudinal bulkheads 127, a fourth upper deck 122, and a third upper deck 123 enclose a cabin.

The crane base 13 is used for installing a crane, and the crane installed on the crane base 13 is used for carrying out hoisting operation so as to load and unload containers or other objects. In this embodiment, the crane base 13 is located at the rear end of the superstructure 12.

The crane base 13 includes a base body, a reinforcing seat 132, and an extension seat 133.

The base body includes a base barrel 1311 and a base reinforcing structure located within the base barrel 1311. The base cylinder 1311 has a cylindrical shape and is embedded in the superstructure 12. Specifically, the bottom of the base cylinder 1311 is fixedly connected to the stiffening arc 129 and the top extends upwardly beyond the top deck 121. The outer peripheral wall at the top of the base cylinder 1311 is fixedly connected with the reinforcing arc plate 128, and the outer peripheral wall at the bottom is fixedly connected with the reinforcing arc plate 129, so that a part of the base cylinder 1311 is suspended, and the space occupied by the base cylinder 1311 in the superstructure 12 is reduced.

The outer wall of the base cylinder 1311 is also fixedly connected to the transverse bulkhead 126 and the longitudinal bulkhead 127.

The base reinforcement structure is disposed within the base barrel 1311 and specifically includes cross-disposed transverse reinforcement plates 1312 and longitudinal reinforcement plates 1313. The transverse reinforcing plates 1312 are disposed transversely and extend vertically. And the transverse reinforcement 1312 passes through the axis of the base barrel 1311. In this embodiment, the transverse reinforcement 1312 extends from the top deck 121 to the fourth upper deck 122. The transverse reinforcing plate 1312 is fixedly connected with the inner wall of the base cylinder 1311 and is in the same plane with the transverse bulkhead 126 connected with the outer wall of the base cylinder 1311, so that the load on the transverse reinforcing plate 1312 can be transferred to the transverse bulkhead 126, so that the stress is dispersed, and the strength of the crane base 13 is improved.

The longitudinal reinforcement plate 1313 is disposed longitudinally and extends vertically. The longitudinal reinforcement plate 1313 perpendicularly intersects the transverse reinforcement plate 1312, and the longitudinal reinforcement plate 1313 passes through the axis of the base cylinder 1311. In this embodiment, the longitudinal reinforcement 1313 extends from the top deck 121 to the fourth upper deck 122. The longitudinal reinforcement plate 1313 is fixedly connected with the inner wall of the base cylinder 1311 and is in the same plane with the longitudinal bulkhead 127 connected with the outer wall of the base cylinder 1311, so that the load on the longitudinal reinforcement plate 1313 can be transferred to the longitudinal bulkhead 127, so that the stress is dispersed, and the strength of the crane base 13 is improved.

The transverse reinforcement plates 1312 and the longitudinal reinforcement plates 1313 are provided with lightening holes to lighten the weight of the crane base 13. In the embodiment, the lightening holes are long and round, so that the lightening holes can be convenient for personnel to pass through.

The lateral reinforcement plates 1312 and the longitudinal reinforcement plates 1313 are both located inside the base cylinder 1311 such that the space occupied by the base body 131 in the superstructure 12, i.e., the space occupied by the base cylinder 1311, does not additionally occupy the space in the superstructure 12. And the transverse reinforcing plates 1312 and the vertical reinforcing plates are arranged in the base body 131 in a crossing manner and are fixedly connected with the inner peripheral wall of the base cylinder 1311 respectively, so that the inner distribution of the crane base 13 is uniform, the stress is further uniformly dispersed, the stress concentration is avoided, and the strength of the crane base 13 is improved.

The reinforcing seat 132 is located below the base body and is embedded in the superstructure 12. Specifically, the top of the reinforcing seat 132 is fixedly connected to the reinforcing arc plate 129, and the bottom extends onto the third upper deck 123 and is fixedly connected to the third upper deck 123.

Reinforcing seat 132 includes a reinforcing barrel 1321, a transverse reinforcing plate 1322 and a longitudinal reinforcing plate 1323 located within reinforcing barrel 1321. The cross section of the reinforcement cylinder 1321 is circular, and the center of the reinforcement cylinder 1321 is on the same line with the center of the base cylinder 1311, so a part of the reinforcement cylinder 1321 is suspended. The diameter of reinforcement cylinder 1321 is the same as the diameter of base cylinder 1311.

The outer wall of the reinforcement cylinder 1321 is fixedly connected to the transverse bulkhead 126 and the longitudinal bulkhead 127. In this embodiment, the fixed connection is achieved by a welded connection.

The outside surface of the reinforcement cylinder 1321 has an inclined opening that extends obliquely outward from the bottom to the top of the reinforcement cylinder 1321. Specifically, in this embodiment, the sloped opening is such that the lower portion of the reinforcement cylinder 1321 includes a half cylinder and a cone cylinder, which is inverted.

A sealing plate 1324 is disposed at the inclined opening to seal the reinforcing cylinder 1321. Specifically, the bottom end of the sealing plate 1324 is fixedly connected to the outer side surface of the superstructure 12. In this embodiment, the bottom end of the sealing plate 1324 is fixedly connected to the outer side surface of the third upper deck 123. In other embodiments, the cover plate 1324 can also be fixedly coupled to the bulkhead.

In this embodiment, the sealing plate 1324 protrudes outside the upper deck, so that the sealing plate 1324 is suspended.

The transverse reinforcing plate 1322 is disposed transversely and extends vertically. The transverse reinforcing plate 1322 is located in the same plane as the transverse reinforcing plate 1312. In this embodiment, the transverse reinforcement plate 1322 extends from the fourth upper deck 122 to the third upper deck 123. The transverse reinforcing plate 1322 is fixedly connected with the inner wall of the reinforcing cylinder 1321 and is in the same plane with the transverse bulkhead 126 connected with the outer wall of the reinforcing cylinder 1321, so that the load on the transverse reinforcing plate 1322 can be transferred to the transverse bulkhead 126, the stress is dispersed, and the strength of the crane base 13 is improved.

The longitudinal stiffening plate 1323 is disposed longitudinally and extends vertically. Longitudinal reinforcement plate 1323 is coplanar with longitudinal reinforcement plate 1313. In this embodiment, longitudinal stiffener 1323 extends from fourth upper deck 122 to third upper deck 123. The longitudinal stiffener 1323 is fixedly connected to the inner wall of the stiffener cylinder 1321 and is in the same plane as the longitudinal bulkhead 127 connecting the outer wall of the stiffener cylinder 1321, so that the load on the longitudinal stiffener 1323 can be transferred to the longitudinal bulkhead 127, so that the stress is dispersed, and the strength of the crane base 13 is improved.

The transverse reinforcement plate 1322 and the longitudinal reinforcement plate 1323 are provided with lightening holes to lighten the weight of the crane base 13. In the embodiment, the lightening holes are long and round, so that the lightening holes can be convenient for personnel to pass through.

Both the transverse reinforcement plate 1322 and the longitudinal reinforcement plate 1323 are located inside the reinforcement cylinder 1321, so that the space occupied by the reinforcement seat 132 in the superstructure 12, i.e., the space occupied by the reinforcement cylinder 1321, does not additionally occupy the space in the superstructure 12. And the transverse reinforcing plates 1322 and the vertical reinforcing plates are arranged in the reinforcing cylinder 1321 in a crossing way and are fixedly connected with the inner peripheral wall of the reinforcing cylinder 1321 respectively, so that the inner distribution of the crane base 13 is uniform, the stress is further uniformly dispersed, the stress concentration is avoided, and the strength of the crane base 13 is improved. The extension seat 133 is located below the reinforcement cylinder 1321 and is disposed in the superstructure 12. Specifically, the top of the extension seat 133 is fixedly connected to the third upper deck 123, and the bottom extends onto the second upper deck 124 and is fixedly connected to the second upper deck 124.

The extension seat 133 includes an extension cylinder 1331 and a first reinforcement plate 1332. The cross section of the extension cylinder 1331 is arc-shaped, and the outer side surface of the extension cylinder 1331 is flush with the outer side surface of the superstructure 12. The outer wall of the extension cylinder 1331 is fixedly connected with the longitudinal bulkhead 127.

The first reinforcement plate 1332 extends longitudinally and is connected between both end portions of the extension cylinder 1331. And first stiffening plate 1332 is in the same plane as longitudinal stiffening plate 1323.

The first reinforcement plate 1332 is provided with lightening holes to lighten the weight of the crane base 13. In the embodiment, the lightening holes are long and round, so that the lightening holes can be convenient for personnel to pass through.

The extension seat 133 can disperse stress on the reinforcement seat 132, further improving strength of the crane base 13.

Further, a reinforcing toggle plate 134 is further disposed between the top of the base body 131 and the reinforcing arc plate 128, and a reinforcing toggle plate 134 is further disposed between the bottom of the base body 131 and the reinforcing arc plate 129. The reinforcing toggle 134 is provided at the outer circumference of the base cylinder 1311 to enhance the connection strength between the base cylinder 1311 and the reinforcing arc plate 129. In this embodiment, the outer periphery of the base cylinder 1311 is provided with a plurality of reinforcing toggle plates 134. The plurality of reinforcing toggle plates 134 includes a transverse reinforcing toggle plate 134 that is coplanar with the transverse bulkhead 126 and a vertical reinforcing toggle plate 134 that is coplanar with the longitudinal bulkhead 127.

And the outer wall of the reinforcing cylinder is fixedly connected with the adjacent transverse bulkhead and the longitudinal bulkhead, the inner wall of the reinforcing cylinder is fixedly connected with the transverse reinforcing plate and the longitudinal reinforcing plate, the transverse reinforcing plate is in the same plane with the transverse bulkhead connected with the outer wall of the reinforcing cylinder, and the longitudinal reinforcing plate is in the same plane with the longitudinal bulkhead connected with the outer wall of the reinforcing cylinder, so that the stress on the crane base can be dispersed to the transverse bulkhead and the longitudinal bulkhead and is dispersed to the upper building deck, and the strength of the crane base is improved. While the invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, for example: it is therefore intended that all changes and modifications that fall within the scope of the claims or the equivalents thereof be covered thereby.

Claims

1. A marine vessel, comprising:

a hull;

the superstructure is arranged on a main deck of the ship body; the superstructure comprises a top deck, a plurality of layers of superstructure decks below the top deck, and a plurality of bulkheads erected between the top deck and the superstructure decks and between two adjacent layers of superstructure decks; the plurality of bulkheads includes a transverse bulkhead extending transversely and a longitudinal bulkhead extending longitudinally;

The crane base comprises a base main body and a reinforcing seat arranged below the base main body; the bottom of the base main body is arranged on an upper building deck at the uppermost layer, and the top of the base main body upwards exceeds the top deck; the reinforcing seat is embedded in the superstructure and comprises a reinforcing cylinder, a transverse reinforcing plate and a longitudinal reinforcing plate which are positioned in the reinforcing cylinder; the reinforcing seat is arranged between two adjacent upper building decks, the top of the reinforcing seat is connected with the uppermost upper building deck, and the outer wall of the reinforcing cylinder is fixedly connected with the adjacent transverse bulkhead and the adjacent longitudinal bulkhead; the transverse reinforcing plate and the longitudinal reinforcing plate extend vertically and are arranged in a crossed mode, the transverse reinforcing plate and the transverse bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane, and the longitudinal reinforcing plate and the longitudinal bulkhead connected with the outer wall of the reinforcing cylinder are in the same plane.

2. The vessel according to claim 1, wherein the side of the reinforcing seat protrudes beyond the outer side of the superstructure.

3. The vessel according to claim 2, wherein the outer side of the uppermost upper deck is provided with a reinforcing arc plate, the top of the reinforcing seat is fixedly connected with the reinforcing arc plate, and the bottom of the reinforcing seat extends to the upper deck adjacent to the uppermost upper deck.

4. A vessel according to claim 3, wherein the portion of the reinforcement cylinder exposed to the superstructure has an inclined opening extending obliquely outwardly from the bottom to the top of the reinforcement cylinder;

the reinforcing seat further comprises a sealing plate which is arranged at the inclined opening to seal the reinforcing cylinder, and the bottom end of the sealing plate is fixedly connected with the outer side face of the superstructure.

5. A vessel according to claim 3, wherein the outer side of the top deck is provided with a reinforcing arc plate in a protruding manner, the center of the reinforcing arc plate and the center of the reinforcing arc plate are positioned on the same straight line, the top of the base body is fixedly connected with the reinforcing arc plate, and the bottom is fixedly connected with the reinforcing arc plate.

6. The ship according to claim 5, wherein the cross section of the reinforcing seat is circular, the center of the reinforcing seat and the center of the base body are positioned on the same straight line, and the diameter of the reinforcing seat is the same as the diameter of the base body.

7. The vessel according to claim 5, wherein a plurality of reinforcing toggle plates are provided between the outer periphery of the base body and the reinforcing arc plates, respectively; the plurality of reinforcing toggle plates includes a transverse reinforcing toggle plate that is coplanar with the transverse bulkhead and a vertical reinforcing toggle plate that is coplanar with the longitudinal bulkhead.

8. The vessel according to claim 1, wherein the base body comprises a base barrel having a cylindrical shape and a base reinforcing structure located within the base barrel; the outer wall of the base cylinder is fixedly connected with the adjacent transverse bulkhead or the adjacent longitudinal bulkhead, and the axis of the base cylinder, the transverse bulkhead and the longitudinal bulkhead are positioned on the same plane; the base reinforcing structure comprises a transverse reinforcing plate and a longitudinal reinforcing plate which are arranged in a crossing mode, the transverse reinforcing plate and the longitudinal reinforcing plate extend vertically, and the transverse reinforcing plate and the longitudinal reinforcing plate pass through the axis of the reinforcing cylinder.

9. The ship according to claim 1, wherein the transverse reinforcement plates and the longitudinal reinforcement plates are provided with lightening holes;

The lightening holes are long waist round holes.

10. The vessel according to claim 1, further comprising an extension seat located below the reinforcement seat; the extension seat comprises an extension cylinder and a first reinforcing plate positioned in the extension cylinder, the outer side surface of the extension cylinder is flush with the outer side surface of the superstructure, and the first reinforcing plate and the longitudinal reinforcing plate are positioned on the same plane.