CN208381600U - A kind of submarine pipeline bending arrestor with flute profile reinforcing rib - Google Patents

Abstract

The utility model discloses a kind of submarine pipeline bending arrestor with flute profile reinforcing rib, including the first buffering inner washer, the second buffering inner washer, the first flute profile anti-bend structure, second flute profile anti-bend structure, the first buffering outer washer, the second buffering outer washer, first outer barrel, the second outer barrel, bolt；First buffering inner washer and the second buffering inner washer are sleeved on pipeline；First flute profile anti-bend structure, the second flute profile anti-bend structure are sleeved on the first buffering inner washer and the second buffering inner washer；First buffering outer washer, the second buffering outer washer is sleeved on the first flute profile anti-bend structure, in the second flute profile anti-bend structure；First outer barrel, the second outer barrel, which is bolted, buffers outer washer first, and second buffers on outer washer.The anti-bend structure of the utility model has flute profile reinforcing rib, can be obviously improved the intensity of buckle arrestor, more prevents pipeline from generating buckling, simple and reliable for structure, has popularization and use value.

Description

A kind of submarine pipeline bending arrestor with flute profile reinforcing rib

Technical field

The utility model relates to pipeline technical field of auxiliary equipment, more particularly to a kind of Submarine Pipeline with flute profile reinforcing rib Road buckle arrestor.

Background technique

Benthal oil-gas pipeline is that marine energy transports the most key one of link, unavoidably by various Complex Sea bottoms The influence of operating condition, therefore, with the increase of the depth of water, deep-water subsea pipeline leads to conquassation, buckling and buckle propagation due to external pressure Possibility greatly increases.Existing buckle arrestor mostly uses welding manner connecting pipe, or integrally covers before pipe laying in pipeline Outer surface makes although pipeline buckling can be prevented to a certain extent by big landform transition or difference variation etc. are easy When largely buckling occurs for pipeline, there will be limited for the intensity of existing buckle arrestor.Therefore, how to change in the prior art Strength problem of the submarine pipeline bending arrestor under complex working condition is those skilled in the art's urgent problem to be solved.

Utility model content

The purpose of the utility model is to provide a kind of submarine pipeline bending arrestors with flute profile reinforcing rib, to solve above-mentioned background The problem of technology proposes, the utility model uses the anti-bend structure of flute profile reinforcing rib to increase the intensity of buckle arrestor, more Prevent the generation and propagation of submarine pipeline buckling.

To achieve the above object, the utility model provides following scheme: the utility model provides a kind of band flute profile reinforcement The submarine pipeline bending arrestor of muscle, including the first buffering inner washer and the second buffering inner washer, described first buffers inner washer and the Two buffering inner washers are directly set in pipeline external surface, and the first buffering inner washer has been complemented each other to form with the second buffering inner washer Whole cylindricality washer, the first buffering inner washer are made with the second buffering inner washer of polypropylene foam.

Preferably, the submarine pipeline bending arrestor with flute profile reinforcing rib further includes that the first flute profile anti-bend structure is stopped with the second flute profile Bend structure, pad in the first flute profile anti-bend structure, the inner wall of the second flute profile anti-bend structure and the first buffering inner washer, the second buffering The outside wall surface of circle contacts with each other, and the first flute profile anti-bend structure and the second flute profile anti-bend structure cooperate, and forms complete anti-bend Structure.

Preferably, the submarine pipeline bending arrestor with flute profile reinforcing rib further includes the first buffering outer washer and the second buffering Outer washer, the first buffering outer washer and the second buffering outer washer inner wall and the first flute profile anti-bend structure, the second flute profile anti-bend The axial end face of structural outer surface contact, the first buffering outer washer and the second buffering outer washer complements each other to form complete cylindricality Washer, the first buffering outer washer are made with the second buffering outer washer of polypropylene foam.

Preferably, the submarine pipeline bending arrestor with flute profile reinforcing rib further includes the first outer barrel and the second outer barrel, The outside wall surface of first outer barrel and the second outer barrel inner wall and the first buffering outer washer and the second buffering outer washer is mutual Cooperation, the first outer barrel are bolted connection with the second outer barrel.

The utility model achieves following technical effect compared with the existing technology: a kind of band flute profile of the utility model is reinforced The submarine pipeline bending arrestor of muscle, including the first flute profile anti-bend structure and the second flute profile anti-bend structure, the first flute profile anti-bend structure with Tooth type structures in second flute profile anti-bend structure are equivalent to the effect of reinforcing rib, can effectively improve the intensity of buckle arrestor.Band tooth The submarine pipeline bending arrestor of type reinforcing rib further include the first buffering outer washer, second buffering outer washer with first buffer inner washer, Second buffering inner washer, can effectively avoid the direct contact of steel construction, prevent that corrosion causes buckle arrestor to fail.

Detailed description of the invention

It, below will be to needed for embodiment in order to become apparent from the technical solution for illustrating the utility model embodiment or the prior art Attached drawing to be used is described in detail, it should be apparent that, drawings discussed below is only a part of the utility model Embodiment to those skilled in the art without creative efforts, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is the overall structure diagram of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib；

Fig. 2 is the positive apparent direction cut-away illustration of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib；

Fig. 3 is the cut-away illustration of the Section A-A of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib；

In figure: 1 is the first outer barrel, and 2 be the second outer barrel, and 3 be the first buffering outer washer, and 4 be the second buffering outer washer, 5 for first buffering inner washer, 6 for second buffering inner washer, 7 be the first flute profile anti-bend structure, 8 be the second flute profile anti-bend structure, 9 For bolt.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, to the technical solution in the utility model carry out it is clear, It is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation Example, based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, belongs to the protection scope of the utility model.

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is to the further details of explanation of the utility model.

Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the overall structure of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib Schematic diagram, Fig. 2 are the positive apparent direction cut-away illustration of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib, and Fig. 3 is The Section A-A cut-away illustration of submarine pipeline bending arrestor of the utility model with flute profile reinforcing rib.

The utility model provides a kind of submarine pipeline bending arrestor with flute profile reinforcing rib, including the first buffering inner washer 5 with Second buffering inner washer 6, the first buffering inner washer 5 and the second buffering inner washer 6 are directly set on pipeline, the first buffering Inner washer 5 and the second buffering inner washer 6 complement each other to form complete cylindricality washer, the first buffering inner washer 5 and second Buffering inner washer 6 is made of polypropylene foam, and polypropylene foam has good cushion performance, can effectively avoid steel The direct contact of structure prevents that corrosion causes buckle arrestor to fail.

Submarine pipeline bending arrestor provided by the utility model with flute profile reinforcing rib, including the first flute profile anti-bend structure 7 with Second flute profile anti-bend structure 8, the first flute profile anti-bend structure 7,8 inner wall of the second flute profile anti-bend structure and the first buffering inner washer 5, Second buffering 6 outside wall surface of inner washer contacts with each other, the first flute profile anti-bend structure 7 and 8 axial end face phase of the second flute profile anti-bend structure Cooperation, forms complete anti-bend structure, the tooth type structures in the first flute profile anti-bend structure 7 and the second flute profile anti-bend structure 8 It is equivalent to the effect of reinforcing rib, can effectively improve the intensity of buckle arrestor.

Submarine pipeline bending arrestor provided by the utility model with flute profile reinforcing rib, including the first buffering outer washer 3 and the Two buffering outer washers 4, the first buffering outer washer 3 buffer 4 inner wall of outer washer and the first flute profile anti-bend structure 7 and the with second Two flute profile anti-bend structures, 8 outer surface contacts with each other, and the first buffering outer washer 3 has been complemented each other to form with the second buffering outer washer 4 Whole cylindricality washer, the first buffering outer washer 3 are made with the second buffering outer washer 4 of polypropylene foam, function It is similar with the second buffering inner washer 6 with the first buffering inner washer 5, it can effectively avoid anti-bend structure and contacted with the direct of outer barrel, It prevents to increase buffering effect while corrosion causes buckle arrestor to fail.

Outside submarine pipeline bending arrestor provided by the utility model with flute profile reinforcing rib, including the first outer barrel 1 and second Cylinder 2, first outer barrel 1 and 2 inner wall of the second outer barrel and the first buffering outer washer 3 and second buffer outer washer 4 Outside wall surface cooperates, and the first outer barrel 1 and the second outer barrel 2 to be formed completely by being fastenedly connected to extension end bolt 9 Buckle arrestor structure.

Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above The explanation of embodiment is only intended to help the method and its core concept of the utility model, meanwhile, for the general skill of this field Art personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute It states, the content of the present specification should not be construed as a limitation of the present invention.

Claims (4)

1. a kind of submarine pipeline bending arrestor with flute profile reinforcing rib, it is characterised in that: slow including the first buffering inner washer 5 and second Inner washer 6 is rushed, the first buffering inner washer 5 and the second buffering inner washer 6 are directly set on pipeline, the first buffering inner washer 5 and second buffering inner washer 6 complement each other to form complete cylindricality washer.

2. the submarine pipeline bending arrestor according to claim 1 with flute profile reinforcing rib, it is characterised in that: further include the first tooth Type anti-bend structure 7 and the second flute profile anti-bend structure 8, the first flute profile anti-bend structure 7 and 8 inner wall of the second flute profile anti-bend structure and One buffering inner washer 5, second buffers 6 outside wall surface of inner washer and contacts with each other, the first flute profile anti-bend structure 7 and the second flute profile anti-bend knot 8 axial end face of structure cooperates, and forms complete anti-bend structure.

3. the submarine pipeline bending arrestor according to claim 2 with flute profile reinforcing rib, it is characterised in that: further include first slow Outer washer 3 and the second buffering outer washer 4 are rushed, the first buffering outer washer 3 and second buffer 4 inner wall of outer washer and flute profile anti-bend Structural outer surface contact, the first buffering outer washer 3 and the second buffering outer washer 4 complement each other to form complete cylindricality washer.

4. the submarine pipeline bending arrestor according to claim 3 with flute profile reinforcing rib, it is characterised in that: further include outside first Cylinder 1, the second outer barrel 2 and bolt 9, first outer barrel 1 and 2 inner wall of the second outer barrel and the first buffering outer washer 3 It cooperates with the outside wall surface of the second buffering outer washer 4, the first outer barrel 1 and the second outer barrel 2 are tight with bolt 9 by extension end It is solidly connected.