CN210793508U

CN210793508U - Two longitudinal bulkhead ships based on variable angle tilting horizontal purlin

Info

Publication number: CN210793508U
Application number: CN201921718858.6U
Authority: CN
Inventors: 张倩; 刘国磊; 李嘉换; 牟宗宝; 陈立; 李文贺; 钱静; 王昆鹏; 张祺; 卢冉
Original assignee: Dalian Shipbuilding Industry Co Ltd
Current assignee: Dalian Shipbuilding Industry Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-19
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a two-channel longitudinal bulkhead ship based on variable-angle inclined horizontal girders, wherein N parallel inclined girders of a side cargo hold are arranged in the side cargo hold, and N is more than or equal to 3; the N side cargo holds are divided into N +1 side cargo sub-holds which are arranged up and down by the inclined trusses; the inclined trusses of the side cargo hold are inclined upwards from one end far away from the ship centerline plane to one end close to the ship centerline plane, and the included angle between the inclined trusses of the side cargo hold and the horizontal plane is less than 8 degrees; n horizontal medium cargo hold horizontal girders are arranged in the medium cargo hold, and the N horizontal medium cargo hold girders divide the medium cargo hold into N +1 vertically arranged medium cargo sub-holds; two ends of the N middle cargo tank horizontal trusses are respectively connected with the N side cargo tank inclined trusses on two longitudinal bulkheads; the utility model discloses because the form of the slope is adopted to limit cargo hold slope purlin to the slope, reduced because the local condition not enough of support that the high increase brought, again can effectual transmission stress.

Description

Two longitudinal bulkhead ships based on variable angle tilting horizontal purlin

Technical Field

The utility model relates to a twice longitudinal bulkhead boats and ships, more specifically say, relate to a twice longitudinal bulkhead boats and ships based on horizontal purlin of variable angle tilting.

Background

With the continuous development of the marine market, oil tankers are developing in a direction of larger cargo capacity. With the increase of cargo capacity of oil tankers and the increase of height and width of ships, the traditional 30-ten-thousand-ton oil tanker cannot meet the requirements of shipowners, and 40-ten-thousand-ton and even larger ships are about to come out.

Two longitudinal bulkheads 3 of a conventional type ship, as shown in fig. 1, are provided with two longitudinal bulkheads 3 and three conventional horizontal girders 4, and the conventional horizontal girders 4 are horizontally provided from the side ballast tank 5 to the side cargo tank 2 and the center cargo tank 1, and are in alignment design (the longitudinal bulkheads 3 and the conventional horizontal girders 4 are orthogonal). The traditional horizontal purlin 4 of traditional type boats and ships lowermost floor receives external load restriction to be 8 to 10 meters apart from baseline (boats and ships bottom) height roughly, and the height of traditional horizontal purlin 4 of lowermost floor apart from the inner bottom roughly 6 meters, owing to receive the restriction that the passageway required for the inspection required, two middle traditional horizontal purlin 4 highly is about 6 meters, and the distance of traditional horizontal purlin 4 of uppermost floor apart from the deck will be close to 9 meters, along with the continuous increase of type depth, the traditional horizontal purlin 4 of uppermost floor of this kind of counterpoint design will exceed 10 meters apart from the deck height, the span is too big, there is serious potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a bulkhead boats and ships are indulged to twice based on variable angle tilting horizontal purlin to solve the problem of mentioning in the background art.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a two longitudinal bulkhead ships based on variable angle inclined horizontal trusses, the ship depth D is more than 25m, and the ship width A is more than 50 m; the ship is divided into three cabins by two longitudinal bulkheads parallel to the centerline plane of the ship, wherein the three cabins are respectively a middle cargo cabin positioned in the middle and two side cargo cabins positioned at two sides; the center of the middle cargo hold is positioned on the centerline plane of the ship;

n parallel inclined girders of the side cargo hold are arranged in the side cargo hold, and N is more than or equal to 3; the N side cargo holds are divided into N +1 side cargo sub-holds which are arranged up and down by the inclined trusses; the inclined trusses of the side cargo hold are inclined upwards from one end far away from the ship centerline plane to one end close to the ship centerline plane, and the included angle between the inclined trusses of the side cargo hold and the horizontal plane is less than 8 degrees;

the arrangement of the inclined trusses of the side cargo holds in the two side cargo holds is mirror symmetry relative to the midline plane;

n horizontal medium cargo hold horizontal girders are arranged in the medium cargo hold, and the N horizontal medium cargo hold girders divide the medium cargo hold into N +1 vertically arranged medium cargo sub-holds; two ends of the N middle cargo tank horizontal trusses are respectively connected with the N side cargo tank inclined trusses on two longitudinal bulkheads;

the internal height of the middle cargo hold positioned at the lowest part and the internal height of the middle cargo hold positioned at the uppermost part are both less than 10 meters; the internal heights of the middle cargo sub-cabins positioned between the uppermost middle cargo sub-cabin and the lowermost middle cargo sub-cabin are less than 6.6 meters.

Preferably, the angle between the inclined truss of the side cargo hold and the horizontal plane is more than 3 degrees.

Preferably, N is 3.

Preferably, the width of the center cargo tank is greater than the width of the single side cargo tank.

Preferably, the inner height of the lowermost middle cargo hold and the inner height of the uppermost middle cargo hold are both greater than 8 meters.

Preferably, the internal heights of the middle cargo hold between the uppermost middle cargo hold and the lowermost middle cargo hold are each greater than 5 meters.

The utility model has the advantages of, because the form of the slope of limit cargo hold slope purlin adoption orientation has guaranteed that the horizontal purlin of topside is apart from the height that can increase the horizontal purlin of well cargo hold apart from the insole (bottom layer well cargo hold in-deck bottom surface) under the unchangeable circumstances of base line height keeping for the horizontal purlin of well cargo hold of below is highly apart from the increase of insole distance, and the horizontal purlin of well cargo hold of the top is highly reduced apart from the deck, has reduced because the local condition that the increase brought supports inadequately, can effectual transmission stress again. Meanwhile, if the height is too large, the horizontal girders of the middle cargo hold and the inclined girders of the side cargo hold can be added, and the plurality of girders are restrained, so that the ship is safer, the weight of the empty ship is effectively reduced, and the problem of yielding and buckling of the vertical bulkhead plate due to too large height is solved.

Drawings

FIG. 1 is a schematic view of a prior art two longitudinal bulkhead vessel;

fig. 2 is a schematic view of the two longitudinal bulkhead vessels of the present invention.

In the figure, 1, a middle cargo hold, 11, a middle cargo hold horizontal girder, 2, a side cargo hold, 21, a side cargo hold inclined girder, 3, a longitudinal bulkhead, 4, a traditional horizontal girder, 5 and a ballast tank.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

The utility model discloses mainly to the improvement that the boats and ships that show in fig. 1 were done, the improvement position mainly is traditional horizontal purlin 4, and other parts are the same with fig. 1 in fig. 2.

As shown in FIG. 2, the depth D of the ship is more than 25m, and the width A of the ship is more than 50 m; the ship is divided into three cabins by two longitudinal bulkheads 3 parallel to the centerline plane of the ship, wherein the three cabins are respectively a middle cargo hold 1 positioned in the middle and two side cargo holds 2 positioned at two sides; the center of the middle cargo hold 1 is positioned on a ship centerline plane;

n parallel side cargo compartment inclined trusses 21 are arranged in the side cargo compartment 2, and N is more than or equal to 3; the N side cargo hold inclined trusses 21 divide the side cargo hold 2 into N +1 side cargo sub-holds which are arranged up and down; the inclined truss 21 of the side cargo hold inclines upwards from one end far away from the ship centerline plane to one end close to the ship centerline plane, and the included angle between the inclined truss 21 of the side cargo hold and the horizontal plane is less than 8 degrees;

the arrangement of the inclined girders 21 of the side cargo holds in the two side cargo holds 2 is mirror symmetry relative to the midline plane;

n horizontal middle cargo hold horizontal girders 11 are arranged in the middle cargo hold 1, and the middle cargo hold 1 is divided into N +1 vertically-arranged middle cargo sub-holds by the N horizontal middle cargo hold girders 11; two ends of the N middle cargo tank horizontal girders 11 are respectively connected with the N side cargo tank inclined girders 21 on the two longitudinal bulkheads 3;

Claims

1. A two longitudinal bulkhead ships based on variable-angle inclined horizontal trusses is characterized in that the ship depth D is more than 25m, and the ship width A is more than 50 m; the ship is divided into three cabins by two longitudinal bulkheads parallel to the centerline plane of the ship, wherein the three cabins are respectively a middle cargo cabin positioned in the middle and two side cargo cabins positioned at two sides; the center of the middle cargo hold is positioned on a ship centerline plane;

n parallel side cargo compartment inclined trusses are arranged in the side cargo compartment, and N is more than or equal to 3; the N side cargo holds are divided into N +1 side cargo sub-holds which are arranged up and down by the inclined trusses of the side cargo holds; the inclined truss of the side cargo tank inclines upwards from one end far away from the ship centerline plane to one end close to the ship centerline plane, and the included angle between the inclined truss of the side cargo tank and the horizontal plane is less than 8 degrees;

the arrangement of the side cargo tank inclined trusses in the two side cargo tanks is mirror symmetry relative to the midline plane;

n horizontal middle cargo hold horizontal girders are arranged in the middle cargo hold, and the middle cargo hold is divided into N +1 middle cargo sub-holds which are arranged up and down by the N horizontal girders; two ends of the N middle cargo tank horizontal trusses are respectively connected with the N side cargo tank inclined trusses on the two longitudinal bulkheads;

the inner height of the middle cargo sub-compartment positioned at the lowest part and the inner height of the middle cargo sub-compartment positioned at the uppermost part are both less than 10 meters; the internal heights of the middle cargo sub-cabins between the uppermost middle cargo sub-cabin and the lowermost middle cargo sub-cabin are less than 6.6 meters.

2. The two longitudinal bulkhead vessel based on variable angle inclined horizontal girders of claim 1 wherein the angle of the side cargo tank inclined girders to the horizontal is greater than 3 °.

3. The variable angle inclined horizontal spar based two longitudinal bulkhead vessel of claim 1, wherein N-3.

4. The variable angle inclined horizontal truss-based two longitudinal bulkhead vessel of claim 1, wherein the width of the center cargo tank is greater than the width of a single of the side cargo tanks.

5. The variable angle inclined horizontal truss-based two longitudinal bulkhead vessel of claim 1, wherein the internal height of the lowermost intermediate cargo hold and the internal height of the uppermost intermediate cargo hold are both greater than 8 meters.

6. The variable angle inclined horizontal truss-based two longitudinal bulkhead vessel of claim 1, wherein the internal height of the middle cargo hold between the uppermost and lowermost middle cargo holds is greater than 5 meters.