CN218703721U

CN218703721U - Multi-purpose ship double-layer bottom bilge reinforcing structure

Info

Publication number: CN218703721U
Application number: CN202223095349.7U
Authority: CN
Inventors: 陈毓珍; 王峰; 李敏; 许溢洋
Original assignee: Shanghai Merchant Ship Design and Research Institute
Current assignee: Shanghai Merchant Ship Design and Research Institute
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-24
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a double-layer bottom bilge part reinforcing structure of a multipurpose ship, which comprises a clapboard arranged between an outer plate and an inner shell of the ship body, wherein the clapboard is simultaneously arranged between a lower platform and an inner bottom plate; the partition plate comprises a transverse plate and a vertical plate; the transverse plate and the vertical plate form an L shape; the bottom of the transverse plate is fixedly connected with the inner bottom plate, and the outer side end of the transverse plate is fixedly connected with the outer plate of the ship body; the inner side end of the vertical plate is fixedly connected with the hull inner shell; the top of the vertical plate is fixedly connected with the bottom of the lower platform; a transition edge line is arranged between the upper edge of the transverse plate and the outer edge of the vertical plate, and the transition edge line is arc-shaped; the lower platform is provided with an opening part, and the top of the vertical plate does not extend into the opening part. The utility model discloses can optimize the structure, need not additionally set up the limit ballast tank and mark time, the space in increase limit ballast tank practices thrift the steel material, makes the structure lightweight to improve economic nature.

Description

Multi-purpose ship double-layer bottom bilge reinforcing structure

Technical Field

The utility model relates to a boats and ships technical field, in particular to multipurpose ship double-deck bottom bilge portion additional strengthening.

Background

The multipurpose ship has various functions of loading bulk cargo, containers, steel coils and the like in function, is designed into irregular cargo hold length in order to meet the individualized requirement of shipowners when being arranged in the cargo hold, and has more diversity and flexibility in the cargo hold than the standard bulk cargo ship in the cargo hold division. Aiming at the characteristic that the length of the cargo hold is large in structural design, in order to meet the requirement of strength, the side and the bottom of the ship have different strong frame numbers, and the space between the transverse clapboards at the bilge part of the side is designed to be the same as that of the double-layer bottom in general design.

According to a conventional subdivision arrangement, the double bottom is usually a bottom ballast tank, and the sides are a side ballast tank and an empty tank, with the interior surrounding the cargo hold. In order to meet the requirement of transverse strength, the bottom of the side ballast tank, namely the side bulkheads, are densely arranged at the bilge part, and each bulkhead needs to be provided with a step for passing, so that certain inconvenience is caused to the passing of the side ballast tank. These two problems, too dense partitions and steps, are also a loss of payload for utility vessels that use payload as an important indicator.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the above-mentioned defect that prior art exists, provide a multipurpose ship double-deck bottom bilge reinforced structure.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a multi-purpose ship double-layer bottom bilge reinforcing structure comprises a partition plate arranged between a ship body outer plate and a ship body inner shell, wherein the partition plate is arranged between a lower platform and an inner bottom plate; the partition plate comprises a transverse plate and a vertical plate which are connected with each other; the transverse plate and the vertical plate form an L shape; the bottom of the transverse plate is fixedly connected with the inner bottom plate, and the outer side end of the transverse plate is fixedly connected with the outer plate of the ship body; the inner side ends of the transverse plates are connected to the vertical plates; the inner side end of the vertical plate is fixedly connected with the hull inner shell; the top of the vertical plate is fixedly connected with the bottom of the lower platform; a transition edge line is arranged between the upper edge of the transverse plate and the outer edge of the vertical plate, and the transition edge line is arc-shaped; the opening has been seted up to lower platform, and vertical board sets firmly the bottom of the lower platform between opening and hull inner shell, and the top of vertical board does not extend to in the opening.

The distance from the top of the transverse plate to the inner bottom plate is no more than 590mm.

The transverse plate and the vertical plate are formed in one step.

The clapboard is vertical to the inner shell of the ship body; the vertical plate is perpendicular to the lower platform.

The outer edge of the vertical plate, the upper edge of the transverse plate and the transition edge line are fixedly provided with panels.

The vertical plate is fixedly provided with reinforcing ribs which are vertically distributed; the transverse plate is fixedly provided with reinforcing ribs which are distributed transversely.

The upper edge of the transverse plate is tangent to the transition edge line; the outer edge of the vertical plate is tangent to the transition edge line.

The beneficial effects of the utility model reside in that: the utility model discloses a multipurpose ship double-deck bottom bilge portion additional strengthening, to the enhancement form that double-deck bottom bilge portion adopted L type baffle, when can satisfying bilge portion intensity, optimize the structure, need not additionally set up the limit ballast tank and mark time, satisfy the current of topside limit ballast tank, the space in cabin is carried in the increase limit ballast, the effect of transverse strength and reduction coil of strip topside reinforcing span has been realized simultaneously, the increase of steel material and the weldment work volume of shipyard have been avoided, practice thrift the steel material, make the structure lightweight, and improve its economic nature.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

FIG. 2 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1.

Detailed Description

The present invention will be more clearly and completely described in the following detailed description of the preferred embodiments in conjunction with the accompanying drawings.

As shown in FIGS. 1 and 2, the multipurpose ship double-bottom bilge reinforcing structure includes a bulkhead 20 provided between an outer hull plate 11 and an inner hull shell 12 and also provided between a lower platform 14 and an inner bottom plate 13.

The partition 20 includes a horizontal plate 21 and a vertical plate 22 connected to each other; the transverse plate 21 and the vertical plate 22 form an L-shape.

The bottom of the transverse plate 21 is fixedly connected with the inner bottom plate 13, and the distance D, D between the top of the transverse plate 21 and the inner bottom plate 13 is not more than 590mm.

The outer end of the transverse plate 21 is fixedly connected with the hull outer plate 11; the inner ends of the lateral plates 21 are connected to the vertical plates 22.

The inner side end of the vertical plate 22 is fixedly connected with the hull inner shell 12; the top of the vertical plate 22 is secured to the bottom of the lower platform 14.

Between the upper edge of the transverse plate 21 and the outer edge of the vertical plate 22 there is a transition edge line 23, which transition edge line 23 is arc-shaped.

The lower platform 14 is provided with an opening part 15, the vertical plate 22 is fixedly arranged at the bottom of the lower platform 14 between the opening part 15 and the hull inner shell 12, and the top of the vertical plate 22 does not extend into the opening part 15.

The transverse plate 21 and the vertical plate 22 are formed in one piece.

The bulkheads 20 are perpendicular to the hull inner hull 12; the vertical plate 22 is perpendicular to the lower platform 14.

The outer edge of the vertical plate 22, the upper edge of the transverse plate 21 and the transition edge line 23 are all fixedly provided with panels.

The vertical plate 22 is fixedly provided with reinforcing ribs 31 which are vertically distributed; the transverse plate 21 is fixedly provided with reinforcing ribs 32 which are distributed transversely.

The upper edge of the transverse plate 21 is tangent to the transition edge line 23; the outside edge of the vertical plate 22 is tangent to the transition edge line 23.

The utility model discloses in, the top of horizontal board is less than or equal to 590mm to the distance D of infrabasal plate, mainly considers from two aspects: firstly, the height requirement that the threshold of the inspection channel is not higher than 600mm is met, and the use of stepping is avoided; secondly, the allowance of more than 10mm is reserved to take the construction errors into consideration, and the space of the side ballast tank side is greatly enlarged in the form. Finite element calculation evaluation of the diaphragm structure in a real ship shows that the diaphragm structure with the height of 590mm meets the strength requirement.

The utility model discloses in, the arc radius of the transition edge line between the upper edge of horizontal board and the outside edge of vertical board can be adjusted according to actual conditions, and this is considered from the rigidity of guaranteeing the bilge portion. When the actual ship is designed, the break angle radius can be adjusted through calculating and analyzing results, so that the high stress of the bilge part of the inner shell is reduced, and the rigidity of the bilge part is improved.

The utility model discloses in, vertical board sets up vertical purlin material, vertical distribution's strengthening rib promptly, and the height of perpendicular purlin material also can be adjusted according to the actual weight of loading the coil of strip to satisfy the support intensity demand. In addition, due to the arrangement of the trusses, the effect of reducing the span is also achieved for the longitudinal frame of the inner shell of the loaded steel coil, and the specification of the longitudinal frame can be reduced.

In the utility model, the baffle is arranged in L shape, which greatly saves steel material relative to the baffle; the opening part of the lower platform can be opened as large as possible, and the steel material and the welding workload are saved for construction.

The utility model discloses a multipurpose ship double-deck bottom bilge portion additional strengthening, to the enhancement form that double-deck bottom bilge portion adopted L type baffle, when can satisfying bilge portion intensity, optimize the structure, need not additionally set up the limit ballast tank and mark time, satisfy the current of topside limit ballast tank, the space in cabin is carried in the increase limit ballast, the effect of transverse strength and reduction coil of strip topside reinforcing span has been realized simultaneously, the increase of steel material and the weldment work volume of shipyard have been avoided, practice thrift the steel material, make the structure lightweight, and improve its economic nature.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A multi-purpose ship double-layer bottom bilge reinforcing structure comprises a partition plate arranged between a ship body outer plate and a ship body inner shell, and is characterized in that the partition plate is simultaneously arranged between a lower platform and an inner bottom plate; the partition plate comprises a transverse plate and a vertical plate which are connected with each other; the transverse plate and the vertical plate form an L shape; the bottom of the transverse plate is fixedly connected with the inner bottom plate, and the outer side end of the transverse plate is fixedly connected with the outer plate of the ship body; the inner side ends of the transverse plates are connected to the vertical plates; the inner side end of the vertical plate is fixedly connected with the hull inner shell; the top of the vertical plate is fixedly connected with the bottom of the lower platform; a transition edge line is arranged between the upper edge of the transverse plate and the outer edge of the vertical plate, and the transition edge line is arc-shaped; the opening has been seted up to lower platform, and vertical board sets firmly the bottom of the lower platform between opening and hull inner shell, and the top of vertical board does not extend to in the opening.

2. The multi-purpose ship double bottom bilge reinforcement structure of claim 1, wherein a distance from a top of the lateral plate to the inner bottom plate is not more than 590mm.

3. The multipurpose ship double bottom bilge reinforcing structure of claim 1, wherein the horizontal plates and the vertical plates are formed in one piece.

4. The multipurpose ship double bottom bilge enhancement structure of claim 1, wherein said bulkheads are perpendicular to said hull inner hull.

5. The multipurpose ship double bottom bilge reinforcement structure of claim 1, wherein the vertical plates are perpendicular to the lower platform.

6. The multipurpose ship double bottom bilge reinforcing structure of claim 1, wherein panels are fixedly arranged on the outer edges of the vertical plates, the upper edges of the transverse plates and the transition edge lines.

7. The multipurpose ship double-bottom bilge reinforcing structure of claim 1, wherein the vertical plates are fixedly provided with reinforcing ribs which are vertically distributed.

8. The multipurpose ship double bottom bilge reinforcing structure of claim 1, wherein the transverse plates are fixedly provided with transversely distributed reinforcing ribs.

9. The multipurpose ship double bottom bilge reinforcement structure of claim 1, wherein the upper edge of the transverse plate is tangent to the transition edge line.

10. The multipurpose ship double bottom bilge reinforcement structure of claim 1, wherein the outboard edges of the vertical plates are tangent to the transition edge line.