CN210687491U

CN210687491U - Oil field pipeline welded junction anticorrosion protection device

Info

Publication number: CN210687491U
Application number: CN201921850360.5U
Authority: CN
Inventors: 黄志�; 刘钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-05
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to an oil field pipeline weld joint anti-corrosion protection device, which comprises a pipeline and a weld joint, wherein the weld joint of the pipeline is provided with the weld joint, the pipeline is provided with a semicircular snap ring, the semicircular snap ring is provided with a second lug, a third fixing bolt is arranged adjacent to the second lug, the semicircular snap ring is provided with an inner semicircular rubber plate, the bottom surface of the inner semicircular rubber plate is in laminating contact with the outer wall of the pipeline and the weld joint, the semicircular snap ring is provided with a jack, an insert block is arranged in the jack, the insert block and the semicircular snap ring are provided with a first fixing bolt, and the insert block is provided with an outer semicircular rubber plate, the semicircular snap ring is fixedly connected through the third fixing bolt, as the radius of the inner semicircular rubber plate is 3-5mm smaller than the radius of the outer surface of the pipeline, and the inner semicircular rubber plate is made of soft rubber material, so that the inner semicircular rubber plate can be in completely laminating contact with the pipeline and the weld joint, better anticorrosion effect and simple structure of the anticorrosion device.

Description

Oil field pipeline welded junction anticorrosion protection device

Technical Field

The utility model relates to a crater anti-corrosion technology field, concretely relates to oil field pipeline crater anti-corrosion protection device.

Background

The construction of oil field gathering and transportation technology and oil field gathering and transportation is selected according to the geological characteristics and crude oil properties of different oil fields, different geographical climatic environments and the change of oil field development process. After oil and natural gas flow to the ground from an oil well, how to collect the oil and the natural gas from an oil well, separate the oil and the gas, and then carry the oil and the gas into qualified crude oil and natural gas which are respectively stored or conveyed to an oil refinery, which are generally called as an oil field gathering and transportation technology and an oil field ground construction project.

At present, some anti-corrosion devices are designed for preventing corrosion of welded junctions of oil field pipelines, but the anti-corrosion devices are complex in structure and inconvenient to fix on the pipelines.

Based on this, the utility model designs a specifically be an anticorrosive protection device of oil field pipeline crater to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least defect among the prior art is overcome to a main aim at, provides an anticorrosive protection device of oil field pipeline weld bond to solve and present some anticorrosive device of having designed in order to carry out anticorrosive to oil field pipeline weld bond among the above-mentioned background art, but anticorrosive device structure is complicated, inconvenient problem of fixing on the pipeline simultaneously.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

the utility model provides an oil field pipeline weld joint anticorrosive protection device, includes pipeline and welding seam, the weld joint play of pipeline is equipped with the welding seam, the pipeline surface is equipped with the semicircle snap ring, symmetry fixedly connected with second lug around the semicircle snap ring, it is adjacent the second lug has third fixing bolt through screw threaded connection, semicircle snap ring inner wall fixedly connected with interior semicircle rubber slab, interior semicircle rubber slab bottom surface and pipeline outer wall and welding seam laminating contact, the jack has evenly been seted up to semicircle snap ring outer wall symmetry, it has the inserted block to peg graft in the jack, inserted block and semicircle snap ring have first fixing bolt through screw hole threaded connection, the outer semicircle rubber slab of inserted block outer wall fixedly connected with, the middle-end department of outer semicircle rubber slab and the extreme point play coincidence of interior semicircle rubber slab.

Preferably, the radius of the inner semicircular rubber plate is 3-5mm smaller than the radius of the outer surface of the pipeline.

Preferably, the inner semicircular rubber plate is made of a soft rubber material, and the outer semicircular rubber plate is made of a hard rubber material.

Preferably, the outer semicircular rubber plate is in contact with the semicircular clamping plate in an attaching mode.

Preferably, the outer wall of the outer semicircular rubber plate is fixedly connected with a first lug, and the first lug and the pipeline are both connected with a second fixing bolt through threaded holes and threads.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a semicircle snap ring is fixed well through the third fixing bolt, because the radius of inner semicircle rubber slab is 3-5mm less than the surface radius of pipeline, and inner semicircle rubber slab adopts soft rubber material to make, make inner semicircle rubber slab can laminate the contact with pipeline and welding seam completely, prevent the air to get into the welding seam department, outer semicircle rubber slab can further prevent the air to get into simultaneously, the anticorrosive effect is better, the anticorrosive device simple structure; the utility model discloses a second fixing bolt and the cooperation of first lug, the convenience is fixed the device at the pipeline, has guaranteed the stability of device, has guaranteed anticorrosive effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the semicircular snap ring and the connection structure thereof;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the pipeline 2, the semicircular snap ring 3, the first fixing bolt 4, the outer semicircular rubber plate 5, the first bump 6, the second fixing bolt 7, the third fixing bolt 8, the jack 9, the insert block 10, the inner semicircular rubber plate 11, the second bump 12 and the welding line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-corrosion protection device for a welded junction of an oil field pipeline comprises a pipeline 1 and a welded junction 12, the welded junction of the pipeline 1 is provided with the welded junction 12, the outer surface of the pipeline 1 is provided with a semicircular snap ring 2, the front and back of the semicircular snap ring 2 are symmetrically and fixedly connected with second convex blocks 11, the adjacent second convex blocks 11 are connected with third fixing bolts 7 through screw threads, the inner wall of the semicircular snap ring 2 is fixedly connected with an inner semicircular rubber plate 10, the inner semicircular rubber plate 10 is made of soft rubber materials, the radius of the inner semicircular rubber plate 10 is 3-5mm smaller than the radius of the outer surface of the pipeline 1, the bottom surface of the inner semicircular rubber plate 10 is in contact with the outer wall of the pipeline 1 and the welded junction 12 in a laminating manner, jacks 8 are symmetrically and uniformly arranged on the outer wall of the semicircular snap ring 2, inserting blocks 9 are inserted in the jacks 8, the inserting blocks 9 and the semicircular, the outer semicircular rubber plate 4 is in contact with the semicircular clamping plate 2 in a laminating mode, the outer semicircular rubber plate 4 is made of hard rubber materials, the middle end of the outer semicircular rubber plate 4 is overlapped with the end point of the inner semicircular rubber plate 10, the semicircular clamping ring 2 is fixedly connected through the third fixing bolt 7, the radius of the inner semicircular rubber plate 10 is 3-5mm smaller than the radius of the outer surface of the pipeline, the inner semicircular rubber plate 10 is made of soft rubber materials, the inner semicircular rubber plate 10 can be in contact with the pipeline 1 and the welding line 12 in a completely laminating mode, air is prevented from entering the welding line, meanwhile, the outer semicircular rubber plate 4 can further prevent air from entering, the anti-corrosion effect is better, and the anti-corrosion device is simple in structure;

the first lug 5 of 4 outer wall fixedly connected with of outer semicircle rubber sheet, first lug 5 all have second fixing bolt 6 through screw hole threaded connection with pipeline 1, through second fixing bolt 6 and the cooperation of first lug 5, conveniently fix the device at pipeline 1, guaranteed the stability of device, guaranteed anticorrosive effect.

One specific application of this embodiment is: the two groups of semicircular clamping rings 2 are oppositely arranged, the semicircular clamping rings 2 are fixedly connected by the third fixing bolts 7, the radius of the inner semicircular rubber plate 10 is 3-5mm smaller than the radius of the outer surface of the pipeline, and the inner semicircular rubber plate 10 is made of soft rubber materials, so that the inner semicircular rubber plate 10 can be completely attached and contacted with the pipeline 1 and a welding seam 12, air is prevented from entering the welding seam 12, meanwhile, the insertion block 9 connected with the outer semicircular rubber plate 4 is inserted and connected with the insertion hole 8, the insertion block 9 and the semicircular clamping rings 2 are connected by the first fixing bolts 3, the outer semicircular rubber plate 4 is fixed, the outer semicircular rubber plate 4 is attached and contacted with the pipeline 1, the semicircular clamping rings 2 and the inner semicircular rubber plate 10, the outer semicircular rubber plate 4 can further prevent air from entering, the anticorrosion effect is better, and the anticorrosion device is simple in structure; finally, the second fixing bolt 6 is matched with the first bump 5, so that the device is conveniently fixed on the pipeline 1, the stability of the device is ensured, and the anti-corrosion effect is ensured; the whole device is simple to assemble and disassemble and convenient to use in practice.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an anticorrosive protection device of oil field pipeline crater, includes pipeline and welding seam, its characterized in that: the outer wall of the insert block is fixedly connected with an outer semicircular rubber plate, the middle end of the outer semicircular rubber plate is coincided with the end point of the inner semicircular rubber plate.

2. The oil field pipeline crater anticorrosion protection device of claim 1, characterized in that: the radius of the inner semicircular rubber plate is 3-5mm smaller than the radius of the outer surface of the pipeline.

3. The oil field pipeline crater anticorrosion protection device of claim 1, characterized in that: the inner semicircular rubber plate is made of soft rubber materials, and the outer semicircular rubber plate is made of hard rubber materials.

4. The oil field pipeline crater anticorrosion protection device of claim 1, characterized in that: the outer semicircular rubber plate is in contact with the semicircular clamping plate in an attaching mode.

5. The oil field pipeline crater anticorrosion protection device of claim 1, characterized in that: the outer semicircular rubber plate is fixedly connected with a first lug on the outer wall, and the first lug and the pipeline are both connected with a second fixing bolt through threaded holes and threads.