Marine engineering maritime work platform buoyancy tank construction structure

Abstract

The utility model discloses an ocean engineering maritime work platform buoyancy tank building structure, which relates to the technical field of ocean engineering, and comprises two groups of buoyancy tank deck structures which are arranged in parallel and adopt buoyancy tank structures; the stand column structures are arranged at the two ends of the upper portion of the buoyancy tank deck structure; the two stand column structures on the same side of the two buoyancy tank deck structures are connected through the transverse supporting structures. The buoyancy tank deck structure and the stand column structure are each of a segmented structure. According to the ocean engineering maritime work platform buoyancy tank building structure, the buoyancy tank deck structure and the stand column structure are of a segmented building structure, the deck bottom structure and the deck top structure are connected in a folded mode, the stand columns are connected in a segmented folded mode, the construction efficiency is effectively improved, a plurality of tank structures can be built at the same time, the construction period is shortened, and the construction cost is reduced. The occupied building area is small, the building cost is reduced, multi-module building is adopted, and the safety of the platform structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering, in particular to a marine engineering offshore platform buoyancy box construction structure. Background Art

[0002] CN201610871118.0 discloses a cylindrical offshore engineering platform, including a main hull and a top deck located above the main hull, wherein an engine room and an entertainment area are arranged in the main hull, a living area is arranged above the top deck, an office and a cockpit are arranged above the living area, a cantilever member is arranged on the side wall of the main hull extending away from the main hull, a connecting column is arranged on the cantilever member, and the connecting column is arranged upward.

[0003] Offshore oil extraction operations are carried out on platform structures. The sea conditions are complex and changeable, and the platform structure has high requirements for strength and stability. The structure has a large span and a high height. The weight load is relatively concentrated during construction, and the requirements for the construction site are relatively high. General construction sites cannot meet these construction requirements. Utility Model Content

[0004] The utility model aims to at least solve the technical problem in the prior art that "the offshore oil extraction operation on the platform structure has complex and changeable sea conditions, the platform structure has high requirements for strength and stability, the structure has a large span and a high height, the weight load is relatively concentrated during construction, and the construction site requirements are relatively high, and the general construction site cannot meet its construction requirements." To this end, the utility model proposes a marine engineering offshore platform pontoon construction structure that can meet the large module of the land-based slipway, has high construction integrity, can save construction costs, and shorten the construction period.

[0005] According to some embodiments of the present invention, a pontoon construction structure for an offshore engineering platform includes:

[0006] The pontoon deck structure is provided in two groups in parallel, and the pontoon deck structure adopts a pontoon structure;

[0007] A column structure is arranged at both ends above the pontoon deck structure;

[0008] A cross brace structure, wherein the cross brace structure is a steel pipe structure, and the two column structures on the same side of the two pontoon deck structures are connected by the cross brace structure;

[0009] Among them, the pontoon deck structure and the column structure respectively adopt a segmented structure, the pontoon deck structure includes a deck bottom structure and a deck top structure, the deck bottom structure and the deck top structure are folded and connected to form a whole, and the column structure includes a column segment, and the two column segments are folded and connected to form a column total section.

[0010] According to some embodiments of the present invention, the deck bottom structure includes deck bottom segments, each of the deck bottom segments has a length of 8m to 16m, and every two of the deck bottom segments are aligned and connected to form a deck bottom section.

[0011] According to some embodiments of the present utility model, the deck bottom structure includes a deck bottom positioning section, and the deck bottom positioning section is used for positioning and installation to facilitate the alignment and connection of the deck bottom sections.

[0012] According to some embodiments of the utility model, the deck top structure includes deck top segments, each of the deck top segments has a length of 8m to 16m, the length of the deck top segments is equal to the length of the deck bottom segments, and every two of the deck top segments are aligned and connected to form a deck top total section.

[0013] According to some embodiments of the utility model, the deck top structure includes a deck top positioning section, and the deck top positioning section is used for positioning and installation to facilitate the alignment and connection of the deck top sections.

[0014] According to some embodiments of the utility model, the upper and lower structures of the deck bottom section and the deck top section are correspondingly folded and connected to form a buoyancy box structure.

[0015] According to some embodiments of the present invention, the column structure includes a column segment, and two of the column segments are connected to form a column segment.

[0016] According to some embodiments of the present invention, the length of the column segment is 8m to 16m, and the width is 8m to 16m.

[0017] According to some embodiments of the present invention, the column segments are aligned left and right and connected to form the column overall segment.

[0018] According to some embodiments of the present invention, the column structures on the same side of the two pontoon deck structures are connected by two cross-bracing structures.

[0019] The marine engineering offshore platform pontoon construction structure according to some embodiments of the utility model has at least the following beneficial effects: the pontoon deck structure and the column structure are constructed in sections, the deck bottom structure and the deck top structure are closed and connected, and the columns are closed and connected in sections, which effectively improves the construction efficiency, can build multiple box structures at the same time, shortens the construction period, occupies a small construction area, reduces construction costs, adopts multi-module construction, and improves the safety of the platform structure.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 This is a three-dimensional schematic diagram of the construction structure of the offshore platform pontoon of an embodiment of the utility model;

[0023] Figure 2 A schematic diagram of the connection of the bottom deck structure of an embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of the connection of the deck top structure of an embodiment of the utility model;

[0025] Figure 4 It is a connection diagram of the column structure of an embodiment of the utility model;

[0026] Figure 5 A schematic diagram of the layout of the pontoon deck structure of an embodiment of the utility model;

[0027] Figure 6 It is a schematic diagram of the overall connection of the marine engineering offshore platform pontoon construction structure according to an embodiment of the utility model.

[0028] Reference numerals:

[0029] The pontoon deck structure 100, the deck bottom structure 110, the deck bottom section 111, the deck bottom section 112, the deck bottom positioning section 113, the deck top structure 120, the deck top section 121, the deck top section 122, the deck top positioning section 123,

[0030] The column structure 200 , the column total section 210 , the column segment 211 , and the cross bracing structure 300 . DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, top, bottom, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] Reference below Figure 1-Figure 6 The present invention is described in detail with reference to an embodiment of a pontoon construction structure for an offshore engineering platform.

[0036] like Figure 1-Figure 6 As shown, the offshore engineering platform pontoon construction structure is specifically used in offshore structures such as semi-submersible drilling auxiliary platforms, auxiliary drilling barges, and drilling platforms, providing the above platforms with low construction cost, safe and reliable, and efficient construction engineering structures. Compared with the existing multi-section construction structure on land in traditional ship and marine engineering, the offshore engineering platform pontoon construction structure of this embodiment can be built in an all-round manner on land, and the whole is formed and the slipway is pulled and launched into the water at the same time. Efficient slipway construction and high-integrity module installation are guaranteed.

[0037] Specifically, the offshore engineering platform pontoon construction structure includes a pontoon deck structure 100, a column structure 200 and a cross brace structure 300. The pontoon deck structure 100 adopts a pontoon structure and is provided with two groups, and the two pontoon deck structures 100 are arranged in parallel. The column structures 200 are arranged at both ends above the pontoon deck structure 100, that is, in this embodiment, the column structures 200 are provided with four groups, and each group of pontoon deck structures 100 is provided with two groups of column structures 200. The two column structures 200 on the same side of the two pontoon deck structures 100 are connected by a cross brace structure 300.

[0038] Among them, the pontoon deck structure 100 and the column structure 200 respectively adopt a segmented structure. The pontoon deck structure 100 includes a deck bottom structure 110 and a deck top structure 120. The deck bottom structure 110 and the deck top structure 120 are closed and connected to form a whole. The column structure 200 includes a column segment 211. The two column segments 211 are closed and connected to form a column total segment 210.

[0039] Specifically, the overall length, width and height of the offshore platform pontoon structure are L, B and H respectively. According to different design schemes, L can reach 80 to 150 meters, B can reach 40 to 80 meters, and H can reach 25 to 45 meters.

[0040] The main structure design of the platform is divided into an upper deck package structure and a lower main pontoon structure. This embodiment mainly solves the construction of the pontoon structure. It adopts efficient and safe upper and lower structure division and large module structure. It realizes the arrangement of multiple spatial dimensions without affecting its structural strength and taking into account the structural strength. The lower modularization is adopted to realize the modularization and integrated structure construction of the offshore platform.

[0041] In some embodiments of the present invention, Figure 1-Figure 3 As shown, the deck bottom structure 110 includes deck bottom sections 111, each of which has a length of 8m to 16m, and every two deck bottom sections 111 are aligned and connected to form a deck bottom total section 112. Every two deck bottom sections 111 are combined to form a group of deck bottom total sections 112, and multiple groups of deck bottom total sections 112 are closed, aligned and welded to form the total pontoon deck structure 100.

[0042] Furthermore, if Figure 1-Figure 3 As shown, the deck bottom structure 110 includes a deck bottom positioning section 113, which is used for positioning and installation, so as to facilitate the alignment and connection of the deck bottom sections 111. Specifically, the deck bottom structure 110 is mounted on the slipway, and the mounting sequence is carried out simultaneously from the middle to the front and rear directions, wherein the deck bottom positioning section 113 is first positioned and installed in the middle, and then the two ends of the deck bottom positioning section 113 are respectively connected to the deck bottom total section 112.

[0043] In some embodiments of the present invention, Figure 1-Figure 3 As shown, the deck top structure 120 includes a deck top segment 121, each deck top segment 121 has a length of 8m to 16m, the length of the deck top segment 121 is equal to the length of the deck bottom segment 111, and every two deck top segments 121 are aligned and connected to form a deck top total section 122.

[0044] Furthermore, if Figure 2-Figure 6As shown, the deck top structure 120 includes a deck top positioning section 123, which is used for positioning and installation, so as to facilitate the alignment and connection of the deck top sections 121. Specifically, the deck top structure 120 is mounted on the slipway, and the mounting sequence is carried out simultaneously from the middle to the front and rear directions, wherein the deck top positioning section 123 is first positioned and installed in the middle, and then the two ends of the deck top positioning section 123 are respectively connected to the deck top total section 122.

[0045] The loading time of the deck top structure 120 starts after the construction of the deck bottom structure 110 is completed, and the deck top structure 120 and the deck bottom structure 110 are aligned, closed and welded to form the pontoon deck structure 100.

[0046] In some embodiments of the present invention, Figure 2-Figure 6 As shown, the upper and lower structures of the deck bottom section 111 and the deck top section 121 are correspondingly folded and connected to form a pontoon structure. Specifically, the deck bottom structure 110 and the deck top structure 120 are respectively loaded on the slipway in sequence, and after loading is completed, the left and right pontoon deck structures 100 are respectively formed.

[0047] In some embodiments of the present invention, Figure 2-Figure 6 As shown, the column structure 200 includes a column segment 211, and two column segments 211 are connected to form a column segment 210. Specifically, the column structure 200 is arranged at the four corners of the front, back, left, and right above the pontoon deck structure 100. Through the connection of the cross brace structure 300 and the column structure 200, the left and right pontoon deck structures 100, the column structure 200, and the cross brace structure 300 form an integral pontoon large module structure. Each group of column structures 200 is composed of column segments 210.

[0048] Furthermore, if Figure 1 , Figure 4 and Figure 6 As shown, the length of the column segment 211 is 8m to 16m, and the width is 8m to 16m. Specifically, the length and width of the column segment 211 are determined according to the processing capacity of the factory, and the height direction is an overall form without dividing the upper and lower segments.

[0049] Furthermore, if Figure 1 , Figure 4 and Figure 6 As shown, the column segments 211 are aligned and connected to form a column total section 210. Specifically, the column segments 211 are combined into a column total section, and the associated equipment, electromechanical, and outfitting components can be installed in advance in the column total section 210 at the same time, shortening the construction period. The column structure 200 is installed after the pontoon deck structure 100 is completed. That is, after the left and right pontoon deck structures 100 are respectively built and formed, the front, rear, left, and right column structures 200 are installed.

[0050] In some embodiments of the present invention, Figure 1 and Figure 6 As shown, the column structures 200 on the same side of the two pontoon deck structures 100 are connected by two cross bracing structures 300. Specifically, the left and right pontoon deck structures 100 and the column structures 200 are respectively formed and then the cross bracing structure 300 is hoisted. The left and right pontoon deck structures 100 are connected by the cross bracing structure 300. The whole pontoon structure is installed on the slipway to form a large module structure of the whole pontoon and then pulled and launched on the slipway. The cross bracing structure 300 is a steel pipe structure with a construction length of 30m to 50m, and is installed as a whole by hoisting.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pontoon construction structure for an offshore engineering platform, characterized in that: include: Two groups of pontoon deck structures (100) are arranged in parallel, and the pontoon deck structures (100) adopt a pontoon structure; A column structure (200) is arranged at both ends above the pontoon deck structure (100); A cross bracing structure (300), wherein the cross bracing structure (300) is a steel pipe structure, and the two column structures (200) on the same side of the two pontoon deck structures (100) are connected via the cross bracing structure (300); The pontoon deck structure (100) and the column structure (200) respectively adopt segmented structures. The pontoon deck structure (100) comprises a deck bottom structure (110) and a deck top structure (120). The deck bottom structure (110) and the deck top structure (120) are folded and connected to form a whole. The column structure (200) comprises a column segment (211). The two column segments (211) are folded and connected to form a column total segment (210).

2. The marine engineering offshore platform pontoon construction structure according to claim 1, characterized in that: The deck bottom structure (110) comprises deck bottom segments (111), each of the deck bottom segments (111) has a length of 8m to 16m, and every two of the deck bottom segments (111) are aligned and connected to form a deck bottom total section (112).

3. The marine engineering offshore platform pontoon construction structure according to claim 2 is characterized in that: The deck bottom structure (110) comprises a deck bottom positioning section (113), and the deck bottom positioning section (113) is used for positioning and installation to facilitate the alignment and connection of the deck bottom sections (111).

4. The offshore engineering platform pontoon construction structure according to claim 3 is characterized in that: The deck top structure (120) comprises a deck top segment (121), each of the deck top segments (121) having a length of 8m to 16m, the length of the deck top segment (121) being equal to the length of the deck bottom segment (111), and every two of the deck top segments (121) being aligned and connected to form a deck top total segment (122).

5. The marine engineering offshore platform pontoon construction structure according to claim 4, characterized in that: The deck top structure (120) comprises a deck top positioning section (123), and the deck top positioning section (123) is used for positioning and installation to facilitate the alignment and connection of the deck top sections (121).

6. The marine engineering offshore platform pontoon construction structure according to claim 5, characterized in that: The upper and lower structures of the deck bottom section (111) and the deck top section (121) are correspondingly folded and connected to form a buoyancy box structure.

7. The marine engineering offshore platform pontoon construction structure according to claim 1, characterized in that: The column structure (200) comprises a column segment (211), and two column segments (211) are connected to form a column total segment (210).

8. The offshore engineering platform pontoon construction structure according to claim 7, characterized in that: The length of the column segment (211) is 8m to 16m, and the width is 8m to 16m.

9. The offshore engineering platform pontoon construction structure according to claim 8, characterized in that: The column segments (211) are aligned left and right and connected to form the column overall segment (210).

10. The offshore engineering platform pontoon construction structure according to any one of claims 1 to 9, characterized in that: The column structures (200) on the same side of the two pontoon deck structures (100) are connected via the two cross bracing structures (300).

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