Middle longitudinal structure of medium-sized carbon dioxide liquefied gas carrier

Abstract

The utility model discloses a middle longitudinal structure of a middle-sized carbon dioxide liquefied gas carrier. The middle longitudinal structure of the middle-sized carbon dioxide liquefied gas carrier comprises an I-shaped supporting column composed of a face plate and a web plate. The supporting columns are arranged between the deck strong cross beam and the double-layer bottom; webs of the struts are located at the midline of the ship; a pipe tunnel is arranged below the double-layer bottom; a deck longitudinal girder is fixedly arranged on the deck strong cross beam; the supporting column comprises a supporting column body, an upper end amplifying part arranged at the top of the supporting column body and a lower end amplifying part arranged at the bottom of the supporting column body. The upper-end amplification part is fixedly connected to the deck strong cross beam, and the lower-end amplification part is fixedly connected to the double-layer bottom; the top of the panel of the upper end amplification part is aligned with the deck longitudinal girder; a top toggle plate is fixedly arranged between the panel of the upper end amplification part and the deck reinforcing cross beam; the bottom of the panel of the lower enlarged portion is aligned with the longitudinal bulkhead of the tunnel. Load transmission of the upper end and the lower end of the supporting column is facilitated, and the structure is firmer. And the economical efficiency of the ship is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, and particularly relates to a midship structure of a medium-sized carbon dioxide liquefied gas carrier. Background Art

[0002] Due to the arrangement of liquid tank holds on both the port and starboard sides, the ship width increases correspondingly. The span of the deck strong beams of a medium-sized carbon dioxide liquefied gas carrier can reach more than 25 meters. To reduce the spans of the deck strong beams and bottom floor plates and improve the economic index performance of the ship, supports must be provided in the midship to reduce the spans.

[0003] The patent application with the publication number CN117104390A discloses a midship structure of a carbon dioxide liquefied gas carrier. In this technical solution, columns are arranged at the midship at each strong frame rib position of the cargo hold, and a bottom pier running through the entire cargo hold is arranged on the double bottom of the cargo hold to reduce the spans of the deck strong beams and bottom floor plates.

[0004] This technical solution has the following defects:

[0005] 1. The construction of the bottom pier is relatively cumbersome.

[0006] 2. The setting of the bottom pier increases the weight of the hull structure, increases the cost of the shipyard, and reduces the economic index of the ship. Content of the Utility Model

[0007] The technical problem to be solved by the utility model is to overcome the above-mentioned defects existing in the prior art and provide a midship structure of a medium-sized carbon dioxide liquefied gas carrier.

[0008] The utility model solves the above technical problem through the following technical solutions:

[0009] A midship structure of a medium-sized carbon dioxide liquefied gas carrier, which includes an I-shaped column composed of a panel and a web; the column is arranged between the deck strong beam and the double bottom; the column is located at the ship center line; there is a pipe tunnel under the double bottom, and a deck longitudinal girder is fixedly arranged on the deck strong beam; the column includes a column body, an upper enlarged part arranged at the top of the column body, and a lower enlarged part arranged at the bottom of the column body; the upper enlarged part is fixedly connected to the deck strong beam, and the lower enlarged part is fixedly connected to the double bottom; the top of the panel of the upper enlarged part is aligned with the deck longitudinal girder; a top bracket is fixedly arranged between the panel of the upper enlarged part and the deck strong beam; the bottom of the panel of the lower enlarged part is aligned with the longitudinal bulkhead of the pipe tunnel.

[0010] Further, the width of the panel of the upper enlarged part is greater than the width of the panel of the column body.

[0011] Further, the width of the panel of the lower enlarged part is greater than the width of the panel of the column body.

[0012] Further, the panel of the upper enlarged part and the panel of the pillar body are not in the same plane.

[0013] Further, the panel of the lower enlarged part and the panel of the pillar body are not in the same plane.

[0014] Further, there are two top brackets, and the two top brackets are respectively arranged on both sides of the pillar.

[0015] Further, the width of the web plate of the upper enlarged part is greater than the width of the web plate of the pillar body.

[0016] Further, the web plate of the upper enlarged part is a trapezoid with a wider upper part and a narrower lower part.

[0017] Further, the width of the web plate of the lower enlarged part is greater than the width of the web plate of the pillar body, and the web plate of the lower enlarged part is a trapezoid with a narrower upper part and a wider lower part.

[0018] Further, no bottom block is provided between the pillar and the double bottom.

[0019] The beneficial effects of the present utility model are as follows: In the present utility model, the pillar is provided with an upper enlarged part and a lower enlarged part. The panel of the upper enlarged part is aligned with the deck longitudinal girder, and top brackets are arranged on both sides of the pillar. The panel of the lower enlarged part is aligned with the longitudinal bulkhead of the pipe tunnel. This structure is conducive to the load transfer at the upper and lower ends of the pillar, making the structure more firm; the pillar is arranged at the ship centerline, making the spaces on both sides of the ship uniform and symmetrical. The present utility model does not provide a bottom block, making the supporting structure relatively lighter in weight. At the same time, it also reduces the welding workload of many shipyards, further improving the economy of the ship. During the construction of the present utility model, only the I-shaped pillar needs to be constructed, and the construction is very convenient with low manufacturing cost. Description of the Drawings

[0020] Figure 1 It is a cross-sectional view of a preferred embodiment of the present utility model.

[0021] Figure 2 It is Figure 1 the sectional view A-A in

[0022] Figure 3 It is Figure 1 the sectional view B-B in Detailed Embodiment

[0023] The following gives a preferred embodiment and combines the drawings to more clearly and completely illustrate the present utility model.

[0024] As Figure 1 、 Figure 2 、 Figure 3As shown in the figure, a midship structure of a medium-sized carbon dioxide liquefied gas carrier, which includes an I-shaped pillar 10 composed of a panel and a web; the pillar 10 is arranged between the deck strong beam 20 and the double bottom 21.

[0025] The pillar 10 is located at the ship center line 23; the pillar 10 is located between two cargo tanks 60.

[0026] A pipe tunnel 22 is provided below the double bottom 21, and a deck longitudinal girder 24 is fixedly arranged on the deck strong beam 20.

[0027] The pillar 10 includes a pillar body 50, an upper enlarged part 30 arranged at the top of the pillar body, and a lower enlarged part 40 arranged at the bottom of the pillar body.

[0028] The upper enlarged part 30 is fixedly connected to the deck strong beam 20.

[0029] The top of the panel 31 of the upper enlarged part 30 is aligned with the deck longitudinal girder 24. The width of the panel 31 of the upper enlarged part 30 is greater than the width of the panel 51 of the pillar body 50.

[0030] The width of the web 32 of the upper enlarged part 30 is greater than the width of the web 52 of the pillar body 50. The web 32 of the upper enlarged part 30 is a trapezoid with a wider top and a narrower bottom.

[0031] A top bracket 13 is fixedly arranged between the panel 31 of the upper enlarged part 30 and the deck strong beam 20. There are two top brackets 13, and the two top brackets 13 are respectively arranged on both sides of the pillar 10. The top bracket is aligned with the web of the pillar.

[0032] The lower enlarged part 40 is fixedly connected to the double bottom 21.

[0033] The bottom of the panel 41 of the lower enlarged part 40 is aligned with the longitudinal bulkhead 25 of the pipe tunnel 22. The bottoms of the two panels 41 of the lower enlarged part are respectively aligned with the two longitudinal bulkheads 25 of the pipe tunnel 22.

[0034] The width of the panel 41 of the lower enlarged part 40 is greater than the width of the panel 51 of the pillar body 50.

[0035] The width of the web 42 of the lower enlarged part 40 is greater than the width of the web 52 of the pillar body 50. The web 42 of the lower enlarged part 40 is a trapezoid with a narrower top and a wider bottom.

[0036] The panel 31 of the upper enlarged part 30 and the panel 51 of the pillar body 50 are not in the same plane.

[0037] The panel 41 of the lower enlarged part 40 and the panel 51 of the pillar body 50 are not in the same plane.

[0038] A bent shape is respectively formed between the panel 31 of the upper enlarged part 30 and the panel 51 of the column body 50, and between the panel 41 of the lower enlarged part 40 and the panel 51 of the column body 50.

[0039] No bottom pier is provided between the column 10 and the double bottom 21.

[0040] The web plates 32 of the upper enlarged part 30, the web plates 52 of the column body 50, and the web plates 42 of the lower enlarged part 40 form the web of the column. In a preferred embodiment, the web plates 32 of the upper enlarged part 30, the web plates 52 of the column body 50, and the web plates 42 of the lower enlarged part 40 are integrally formed.

[0041] The panels 31 of the upper enlarged part 30, the panels 51 of the column body 50, and the panels 41 of the lower enlarged part 40 form the panel of the column. The panels 31 of the upper enlarged part 30, the panels 51 of the column body 50, and the panels 41 of the lower enlarged part 40 are integrally formed, or are connected by welding between the panel 31 of the upper enlarged part 30 and the panel 51 of the column body 50, and between the panel 51 of the column body 50 and the panel 41 of the lower enlarged part 40.

[0042] It should be noted that Figure 1 in, the dotted lines between the upper enlarged part 30 and the column body 50, and the dotted lines between the column body 50 and the lower enlarged part 40 are only used to distinguish the upper enlarged part 30, the column body 50, and the lower enlarged part 40.

[0043] The utility model has the following advantages:

[0044] 1. The column is provided with an upper enlarged part and a lower enlarged part. The panel of the upper enlarged part is aligned with the deck girder, and top brackets are provided on both sides of the column. The panel of the lower enlarged part is aligned with the longitudinal bulkhead of the pipe tunnel. This structure is conducive to the load transfer at the upper and lower ends of the column, making the structure more firm.

[0045] 2. The column is arranged at the ship's centerline, making the spaces on both sides of the ship's hull evenly symmetrical.

[0046] 3. The utility model does not provide a bottom pier, making the weight of the support structure relatively lighter, and at the same time reducing a lot of welding work in the shipyard, further improving the economy of the ship.

[0047] 4. During the construction of the utility model, only the I-shaped column needs to be constructed, and the construction is very convenient with low manufacturing cost.

[0048] Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that this is only an example, and the protection scope of the present utility model is defined by the appended claims. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to these embodiments, but these changes and modifications all fall within the protection scope of the present utility model.

Claims

1. A midship longitudinal structure of a medium-sized liquefied carbon dioxide carrier, which comprises an I-shaped pillar composed of a panel and a web; the pillar is arranged between the deck strong beam and the double bottom; the pillar is located at the ship's centerline; there is a pipe tunnel below the double bottom, and a deck longitudinal girder is fixedly arranged on the deck strong beam; it is characterized in that, The pillar includes a pillar body, an upper enlarged part provided at the top of the pillar body, and a lower enlarged part provided at the bottom of the pillar body; the upper enlarged part is fixedly connected to the deck strong beam, and the lower enlarged part is fixedly connected to the double bottom; the top of the panel of the upper enlarged part is aligned with the deck longitudinal girder; a top bracket is fixedly provided between the panel of the upper enlarged part and the deck strong beam; the bottom of the panel of the lower enlarged part is aligned with the longitudinal bulkhead of the pipe tunnel.

2. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, wherein The width of the panel of the upper enlarged part is greater than the width of the panel of the pillar body.

3. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, wherein The width of the panel of the lower enlarged part is greater than the width of the panel of the pillar body.

4. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, characterized in that, The panel of the upper enlarged part and the panel of the pillar body are not in the same plane.

5. The midship longitudinal structure of the medium-sized liquefied carbon dioxide carrier according to claim 1, characterized in that, The panel of the lower enlarged part and the panel of the pillar body are not in the same plane.

6. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, characterized in that, There are two top brackets, and the two top brackets are respectively provided on both sides of the pillar.

7. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, characterized in that, The width of the web of the upper enlarged part is greater than the width of the web of the pillar body.

8. The midship longitudinal structure of the medium-sized liquefied carbon dioxide carrier according to claim 7, characterized in that, The web of the upper enlarged part is a trapezoid with a wider top and a narrower bottom.

9. The midship longitudinal structure of the medium-sized carbon dioxide liquefied gas carrier according to claim 1, characterized in that, The width of the web of the lower enlarged part is greater than the width of the web of the pillar body, and the web of the lower enlarged part is a trapezoid with a narrower top and a wider bottom.

10. The midship longitudinal structure of the medium-sized liquefied carbon dioxide carrier according to claim 1, wherein No bottom pier is provided between the pillar and the double bottom.

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