CN219062752U

CN219062752U - Connecting device suitable for ocean platform trestle pipeline

Info

Publication number: CN219062752U
Application number: CN202223382742.4U
Authority: CN
Inventors: 李学强; 曹岩辉; 黄振东; 陈瑜; 韩化凤; 董志恒; 梁德炽; 罗军; 黄启海; 鲁丰坤; 陈康魁; 钟创新; 樊磊; 尤英萃; 何耀国; 陈建宏; 胡芳芳; 梁秋雯
Original assignee: CNOOC Energy Development of Equipment and Technology Co Ltd
Current assignee: CNOOC Energy Development of Equipment and Technology Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-23
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a connecting device suitable for a marine platform trestle pipeline, which comprises two groups of trestle structures, at least one group of hoses and two combined pipes, wherein each trestle structure comprises an outer beam, an inner beam and a support column for supporting the outer beam and the inner beam, each combined pipe comprises a first hard pipe, an elbow connected with one end of the first hard pipe and a second hard pipe connected with the other end of the elbow, the second hard pipe ends of the two combined pipes are respectively penetrated from the upper part of the outer beam to the lower part of the inner beam and are connected with the two ends of the hoses, fixing plates fixedly connected with the second hard pipes are respectively arranged on the outer beam and the inner beam, pipe clamps are respectively arranged at the two ends of the hoses, lifting lugs are arranged on the inner side of the inner beam, and safety ropes connected with the pipe clamps are arranged on the lifting lugs. Under the condition that relative large displacement occurs between ocean platforms, materials can be safely conveyed, and when resource sharing between ocean platforms is achieved, the safety of operation of ocean platform trestle pipelines is ensured.

Description

Connecting device suitable for ocean platform trestle pipeline

Technical Field

The utility model belongs to the technical field of trestle connection between offshore platforms, and particularly relates to a connection device suitable for trestle pipelines of an offshore platform.

Background

Along with the rolling development of offshore oil and gas fields in China, trestle is commonly used among ocean platforms to realize resource sharing, equipment and facilities are optimized, and meanwhile, investment cost is greatly saved. For the trestle of the ocean platform with small relative displacement, a mature all-hard pipe mode with a pipeline connection and supporting technology is generally adopted; however, the relative displacement generated between the platforms is generally very large under the influence of the sea water depth and other conditions of the ocean platforms, when the condition that the relative displacement amount between the ocean platforms is large is solved, the trestle pipeline is preferably arranged in a mode of combining the hose and the hard pipe, but when the hose and the hard pipe are connected and supported, the prior art is complex in structure when the trestle is arranged and constructed, when the relative displacement amount is large, the service life of the trestle is easily influenced by collision between the hose or the hard pipe and the supporting structure, and meanwhile, the trestle is easily influenced by the supporting property, the stress of the pipeline, the supporting strength of the supporting structure and other factors, so that the operation safety of the trestle pipeline is reduced.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present utility model provides a connection device suitable for a landing stage pipeline of a marine platform.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a connecting device suitable for a marine platform trestle pipeline, which comprises two groups of trestle structures, at least one group of hoses and two combined pipes, wherein each trestle structure comprises an outer cross beam, an inner cross beam and a support column for supporting the outer cross beam and the inner cross beam, each combined pipe comprises a first hard pipe, an elbow connected with one end of the first hard pipe and a second hard pipe connected with the other end of the elbow, the second hard pipe ends of the two combined pipes are respectively arranged at the lower part of the inner cross beam from the upper part of the outer cross beam and are connected with the two ends of the hoses, fixing plates connected with the second hard pipes are respectively arranged on the outer cross beam and the inner cross beam, pipe clamps are respectively arranged at the two ends of the hoses, lifting lugs are arranged on the inner side of the inner cross beam, and safety ropes connected with the pipe clamps are arranged on the lifting lugs.

As a further improvement, it comprises a tube holder, the first rigid tube of the combination tube being provided on the tube holder.

As a further improvement, the outer cross beam and the inner cross beam are respectively provided with a mounting plate, and the fixing plate is detachably connected with the mounting plates.

As a further improvement, a fixed reinforcing rib is arranged between the fixed plate of the inner cross beam and the second hard tube.

As a further improvement, when the hose and the two combined pipes are arranged in two groups, the pipe clamp is a double-pipe clamp.

As a further improvement, the double-pipe clamp comprises an upper pipe piece and a lower pipe piece, and the upper pipe piece and the lower pipe piece are detachably connected.

As a further improvement, the trestle structure comprises two parallel longitudinal beams, wherein the two longitudinal beams are fixedly arranged between the outer cross beam and the inner cross beam to form a groined beam, one end of the supporting column is connected with the groined beam, and the other end of the supporting column is connected with the trestle body.

As a further improvement, the hose is connected with the second hard tube through a flange, hose flange joints are arranged at two end parts of the hose, and hard tube flange joints are respectively arranged at the end parts of the second hard tubes of the two combined tubes.

The utility model provides a connecting device suitable for a marine platform trestle pipeline, which comprises two groups of trestle structures, at least one group of hoses and two combined pipes, wherein each trestle structure comprises an outer cross beam, an inner cross beam and a support column for supporting the outer cross beam and the inner cross beam, each combined pipe comprises a first hard pipe, an elbow connected with one end of the first hard pipe and a second hard pipe connected with the other end of the elbow, the second hard pipe ends of the two combined pipes are respectively arranged at the lower part of the inner cross beam from the upper part of the outer cross beam and are connected with the two ends of the hoses, fixing plates connected with the second hard pipes are respectively arranged on the outer cross beam and the inner cross beam, pipe clamps are respectively arranged at the two ends of the hoses, lifting lugs are arranged on the inner side of the inner cross beam, and safety ropes connected with the pipe clamps are arranged on the lifting lugs. When the marine platform is used, the lower part of the second hard pipe is arranged on the outer cross beam to provide a stress point for the second hard pipe, the lower part of the second hard pipe is fixed on the fixed plate of the outer cross beam, the upper part of the second hard pipe is fixed on the fixed plate of the inner cross beam, when the relative displacement amount of the pipe clamp and the safety rope on the lifting lug is large, the phenomenon that the service life of the trestle is influenced due to collision of the hose and the trestle structure is avoided, and the marine platform has a protective effect on the hose.

Drawings

The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

FIG. 1 is a schematic top view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the hose and tube assembly of the present utility model;

fig. 3 is a schematic structural view of the double-pipe clamp of the present utility model.

Detailed Description

In order to better understand the technical solutions of the present utility model, the following description will be made in detail with reference to the accompanying drawings and specific embodiments, and it should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the description of the present utility model, the terms "horizontal", "vertical", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in fig. 1, and are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

The embodiment of the utility model provides a connecting device suitable for a landing stage pipeline of a marine platform, which comprises two groups of landing stage structures 3, at least one group of hoses 1 and two combined pipes 2, wherein the two groups of landing stage structures 3 are respectively arranged on different marine platforms, each landing stage structure 3 comprises an outer cross beam 31, an inner cross beam 32 and a support column for supporting the outer cross beam 31 and the inner cross beam 32, one end of each support column is connected with the outer cross beam 31 and the inner cross beam 32, the other end of each support column is connected with a landing stage body, the outer cross beam 31, the inner cross beam 32 and the support column of the landing stage pipeline adopt stainless steel materials to improve the corrosion resistance of the marine environment of the landing stage, the landing stage structure 3 further comprises two parallel longitudinal beams 33, the two longitudinal beams 33 are fixedly arranged between the outer cross beam 31 and the inner cross beam 32 to form a cross beam, and one end of each support column is connected with the cross beam, and the other end of each support column is connected with the landing stage body. The combined pipe 2 comprises a first hard pipe 21, an elbow pipe 22 and a second hard pipe 23, in this embodiment, the first hard pipe 21 and the second hard pipe 23 are made of stainless steel, the bending angle of the elbow pipe 22 is preferably 100 degrees to 110 degrees, and may be one elbow pipe or two elbow pipes, for example, an elbow pipe 22 with a bending angle of 105 degrees is formed by combining one 90-degree elbow pipe and one 15-degree elbow pipe; the bent pipe 22 can also be a bent hose, and the bent hose can absorb displacement caused by different directions of the trestle. One end of the first hard tube 21 is connected to the elbow 22, and the other end of the elbow 22 is connected to the second hard tube 23. The ends of the second rigid pipes 23 of the two combined pipes 2 are respectively penetrated from the upper part of the outer cross beam 31 to the lower part of the inner cross beam 32 and are connected with the two ends of the hose 1, as shown in fig. 1, the lower parts of the second rigid pipes 23 are arranged on the outer cross beam 31 to provide stress points for the second rigid pipes 23, and meanwhile, the outer cross beam 31 and the inner cross beam 32 are respectively provided with two fixing plates 5, the two fixing plates 5 are respectively welded on the outer cross beam 31 and the inner cross beam 32, so that the lower parts of the second rigid pipes 23 are fixed on the fixing plates 5 of the outer cross beam 31, and the upper parts of the second rigid pipes 23 are fixed on the fixing plates 5 of the inner cross beam 32. The two ends of the hose 1 are respectively provided with a pipe clamp 8, the inner side of the inner cross beam 32 is provided with a lifting lug 7, the lifting lug 7 is provided with a safety rope 10 connected with the pipe clamp 8, and when the relative displacement of the ocean platform is large, the service life of the trestle is prevented from being influenced by collision between the hose 1 and the trestle structure 3, and the hose is protected.

As a further preferred embodiment, the pipe bracket 9 is included, the first hard pipe 21 of the combined pipe 2 is arranged on the pipe bracket 9, and the pipe bracket 9 is arranged on the trestle body and is used for supporting the first hard pipe 21 of the combined pipe 2.

As a further preferred embodiment, the mounting plates 4 are respectively fixed on the outer beam 31 and the inner beam 32, and the fixing plates 5 are detachably connected with the mounting plates 4, preferably in a threaded connection manner, so that the mounting and the dismounting are convenient. In order to improve the supportability of the trestle structure 3 and the combined pipe 2, a fixed reinforcing rib 6 is fixedly arranged between the fixed plate 5 of the inner cross beam 32 and the second hard pipe 23.

As a further preferred embodiment, when two groups of the hoses 1 and the two combined pipes 2 are provided as shown in fig. 1 and 3, the pipe clamp 8 is a double pipe clamp 8, so that collision to nearby facilities when a single hose 1 swings is prevented, the effect of protecting the hose 1 is achieved, the double pipe clamp 8 comprises an upper pipe piece 81 and a lower pipe piece 82, and the upper pipe piece 81 and the lower pipe piece 82 are detachably connected, preferably in a threaded connection, so that the hose clamp is convenient to assemble, disassemble and replace.

As a further preferred embodiment, the hose 1 is connected with the second hard tube 23 through flanges, two ends of the hose 1 are provided with hose flange joints 11, two ends of the second hard tube 23 of the two combined tubes 2 are respectively provided with a hard tube flange joint 24, the hose flange joints 11 and the hard tube flange joints 24 are in screwed connection, and in order to increase the flange connection strength, the hose flange joints 11 and the hard tube flange joints 24 adopt RTJ surface flanges.

The utility model can safely convey materials under the condition of relatively large displacement between ocean platforms, and ensures the safety of the operation of the trestle pipeline of the ocean platform when realizing resource sharing between ocean platforms.

In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore should not be construed as limiting the scope of the present utility model.

In summary, while the above-described preferred embodiments have been described, it should be noted that although various changes and modifications can be made by those skilled in the art, it is intended that such changes and modifications be included within the scope of the present utility model unless they depart from the scope of the present utility model.

Claims

1. The utility model provides a connecting device suitable for ocean platform landing stage pipeline, its characterized in that, including two sets of landing stage structures (3) and at least a set of hose (1) and two combination pipes (2), landing stage structure (3) are including outer crossbeam (31) that are used for fixed combination pipe (2), interior crossbeam (32) and be used for supporting the support column of outer crossbeam (31) and interior crossbeam (32), combination pipe (2) include first hard tube (21), return bend (22) and second hard tube (23) be connected with return bend (22) other end that are connected with first hard tube (21) one end, second hard tube (23) end of two combination pipes (2) are located interior crossbeam (32) lower part and are connected with the both ends of hose (1) respectively from outer crossbeam (31) upper portion, be equipped with fixed plate (5) that are connected with second hard tube (23) on outer crossbeam (31) and the interior crossbeam (32) respectively, the both ends of hose (1) are equipped with pipe clamp (8) respectively, interior crossbeam (32) are equipped with lug (7) and are equipped with on hose (8) lug (7).

2. Connecting device for a landing stage pipeline according to claim 1, characterized in that it comprises a pipe support (9), the first rigid pipe (21) of the combined pipe (2) being arranged on the pipe support (9).

3. Connecting device for platform trestle pipelines according to claim 1, characterized in that said outer (31) and inner (32) beams are provided with mounting plates (4) respectively, said fixing plates (5) being detachably connected to said mounting plates (4).

4. Connecting device for a landing stage pipeline according to claim 1, characterized in that a fixing stiffener (6) is arranged between the fixing plate (5) of the inner cross beam (32) and the second rigid pipe (23).

5. Connecting device for a landing stage pipeline according to claim 1, characterized in that the pipe clamp (8) is a double pipe clamp (8) when two sets of hoses (1) and two combined pipes (2) are provided.

6. The connection device for the trestle pipe of the ocean platform according to claim 5, characterized in that said double pipe clamp (8) comprises an upper pipe piece (81) and a lower pipe piece (82), said upper pipe piece (81) and said lower pipe piece (82) being detachably connected.

7. The connecting device for the landing stage pipeline according to claim 1, wherein the landing stage structure (3) comprises two parallel longitudinal beams (33), the two longitudinal beams (33) are fixedly arranged between the outer cross beam (31) and the inner cross beam (32) to form a cross beam, one end of the supporting column is connected with the cross beam, and the other end of the supporting column is connected with the landing stage body.

8. The connecting device for the trestle pipelines of the ocean platform according to claim 1, characterized in that the hose (1) is connected with the second hard pipe (23) through a flange, two ends of the hose (1) are provided with hose flange joints (11), and two ends of the second hard pipe (23) of the two combined pipes (2) are respectively provided with a hard pipe flange joint (24).