CN212273434U

CN212273434U - Pipeline external corrosion prevention device

Info

Publication number: CN212273434U
Application number: CN202020523557.4U
Authority: CN
Inventors: 张金庆; 张霞; 赵光宇; 王艳宁; 王玉江; 朱信刚; 宋根才; 张春伟; 姜丽
Original assignee: Suno Technology Co ltd
Current assignee: Suno Technology Co ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2021-01-01
Anticipated expiration: 2030-04-11

Abstract

The utility model discloses an outer anticorrosive device of pipeline, including outer pipeline and fixed strip, outer pipeline inner wall is provided with first installation piece, the inside round hole that is provided with of first installation piece, wherein, round hole one side is provided with the slider. This outer anticorrosive device of pipeline, through adjusting first regulation pole and second regulation pole and slider fixed mounting between outer pipeline and interior pipeline, make the interior pipeline pass through second installation piece and second regulation pole connection to be fixed in the region that corresponds, install first regulation pole and slider in first installation piece, then loosen first regulation pole, adjust second regulation pole length, make second regulation pole and slider install in second installation piece, thereby make the device can install between the interior pipeline and the outer pipeline of different specifications, demolish the bolt at fixed strip both ends, outwards pull the shrink post, the shrink post is pulled out the slider from first installation piece and second installation piece through first regulation pole and second regulation pole, make the dismantlement of shrink post become very simple.

Description

Pipeline external corrosion prevention device

Technical Field

The utility model relates to an anticorrosive device field specifically is an outer anticorrosive device of pipeline.

Background

In the current construction, people bury the pipeline underground, but the underground environment is basically quite humid, and the soil in some regions still contains the corrosives of the chemical substances, so that the service life of the steel pipe buried underground is greatly shortened.

Along with the continuous development of technology, people can wrap up one deck anticorrosive device in the outside of pipeline, make the pipeline can not directly produce the contact with external environment when buying underground to effectual anticorrosive effect that plays, but this kind of device can be because the embedded mounting process of interior pipeline when using at present, and the interior pipeline can take place to rotate in the device is inside in the messenger use, thereby makes the butt joint mouth on the interior pipeline take place to squint, thereby influences the butt joint between the interior pipeline.

Can both effectually play anticorrosive effect to the anticorrosive device of pipeline now, then can make the inside interior pipeline of anticorrosive device can produce certain skew because of outside rocking in the work progress, make the interior pipeline unable effectual the connecting at the in-process of butt joint to influence the installation of interior pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer anticorrosive device of pipeline to solve the device that above-mentioned background art provided can both effectually play anticorrosive effect to the anticorrosive device of pipeline now, then can make the inside interior pipeline of anticorrosive device can produce certain skew because of outside rocking in the work progress, make the interior pipeline can't effectually be connected at the in-process of butt joint, thereby influence the problem of the installation of interior pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: an external anti-corrosion device for pipelines comprises an external pipeline and a fixing strip, wherein the inner wall of the external pipeline is provided with a first mounting block, a round hole is arranged inside the first mounting block,

a sliding block is arranged on one side of the round hole, a first adjusting rod is connected to one side of the sliding block, a limiting strip is connected to one end of the first adjusting rod, a spring is arranged on one side of the limiting strip, a partition plate is arranged on one side of the spring, and a shrinkage column is arranged on one side of the partition plate;

the telescopic pole is characterized in that a second adjusting rod is arranged at one end of the telescopic pole, a second installing block is connected to one end of the second adjusting rod, PE foam is arranged on one side of the second installing block, an inner pipeline is arranged on one side of the PE foam, a fixing strip is arranged on the surface of the first installing block, and bolts are arranged at two ends of the fixing strip.

Preferably, the first mounting blocks and the second mounting blocks are respectively provided with four first mounting blocks, the four first mounting blocks are respectively arranged on the transverse and longitudinal middle dividing lines of the outer pipeline, the four second mounting blocks are respectively arranged on the transverse and longitudinal middle dividing lines of the inner pipeline, and the surfaces of the first mounting blocks and the second mounting blocks are respectively provided with a T-shaped groove.

Preferably, the PE foam is a hollowed-out cylindrical structure, the centers of circles of the PE foam, the outer pipeline and the inner pipeline are all at the same point, the inner circular wall of the PE foam is tangent to the outer circular wall of the outer pipeline, and the outer circular wall of the PE foam is tangent to the inner circular wall of the inner pipeline.

Preferably, the number of the contraction columns is four, a partition plate is arranged in the central area inside the contraction columns, two springs are arranged on two sides of the partition plate respectively, one end of each spring is connected with a limiting strip, and the length of each limiting strip is larger than the opening size of each contraction column.

Preferably, the number of the fixing strips is eight, each of the first mounting blocks and the second mounting blocks is provided with one fixing strip, two ends of each fixing strip are respectively provided with one bolt, and each bolt is in threaded connection with the corresponding round hole.

Preferably, the maximum transverse lengths of the first adjusting rod and the second adjusting rod are respectively the same as the maximum transverse lengths between the inner walls of the grooves on the surfaces of the first mounting block and the second mounting block, and the first adjusting rod and the second adjusting rod are connected with the corresponding first mounting block and the corresponding second mounting block through the sliding blocks in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this outer anticorrosive device of pipeline is provided with four first installation pieces at outer pipeline inner wall, and interior pipeline outer wall is provided with four second installation pieces, and it passes through slider fixed mounting with first regulation pole and second regulation pole between outer pipeline and interior pipeline during the installation to make the interior pipeline pass through second installation piece and second regulation pole connection to be fixed in the region that corresponds, the interior pipeline just can not be because of external rocking and output displacement when the construction like this, thereby influences the butt joint in later stage.

2. This outer anticorrosive device's of pipeline shrink post inside central zone is provided with the baffle, the baffle both sides are provided with a spring respectively, every spring one end is connected with a spacing, will shrink the first regulation pole and the second of post both ends during the installation and adjust the pole to the baffle extrusion, make first regulation pole and second adjust the pole and receive in the shrink post, at this moment with first regulation pole and slider installation in first installation piece, then loosen first regulation pole, adjust second regulation pole length, make the second adjust the pole and install into the second installation piece with the slider, thereby make the device can install between the interior pipeline and the outer pipeline of different specifications.

3. This outer anticorrosive device fixed strip of pipeline is provided with eight, all is provided with a fixed strip on every first installation piece and the second installation piece, demolishs the bolt at fixed strip both ends during the dismantlement, makes the fixed strip and the first installation piece and the second installation piece disconnection that correspond, then outwards draws the shrink post, and the shrink post is adjusted the pole through first regulation pole and second and is pulled out the slider from first installation piece and second installation piece, makes the dismantlement of shrink post become very simple.

Drawings

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

FIG. 2 is a schematic view of the structure of the adjusting block of the present invention;

fig. 3 is a schematic view of the connection structure of the first mounting block, the shrinking column and the second mounting block of the present invention.

In the figure: 1. an outer conduit; 2. a first mounting block; 3. a circular hole; 4. a slider; 5. a first adjusting lever; 6. a limiting strip; 7. a spring; 8. a partition plate; 9. a contracting column; 10. a second adjusting lever; 11. a second mounting block; 12. PE foam; 13. an inner conduit; 14. a fixing strip; 15. and (4) bolts.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an outer anti-corrosion device for pipelines comprises an outer pipeline 1, a first mounting block 2, a round hole 3, a sliding block 4, a first adjusting rod 5, a limiting strip 6, a spring 7, a partition plate 8, a contraction column 9, a second adjusting rod 10, second mounting blocks 11, PE foam 12, an inner pipeline 13, a fixing strip 14 and a bolt 15, wherein the inner wall of the outer pipeline 1 is provided with the first mounting block 2, the first mounting block 2 and the second mounting block 11 are respectively provided with four, the four first mounting blocks 2 are respectively arranged on a transverse middle dividing line and a longitudinal middle dividing line of the outer pipeline 1, the four second mounting blocks 11 are respectively arranged on a transverse middle dividing line and a longitudinal middle dividing line of the inner pipeline 13, the surfaces of the first mounting block 2 and the second mounting block 11 are both provided with T-shaped grooves, the first adjusting rod 5 and the second adjusting rod 10 are fixedly arranged in the first mounting block 2 and the second mounting block 11 between the outer pipeline 1 and the inner pipeline 13 through the sliding block 4, so that the inner pipe 13 is connected and fixed in the corresponding area through the second mounting block 11 and the second adjusting rod 10, the first mounting block 2 is provided with a circular hole 3 inside, wherein,

a sliding block 4 is arranged on one side of the circular hole 3, a first adjusting rod 5 is connected on one side of the sliding block 4, the maximum transverse length of the first adjusting rod 5 and the maximum transverse length of the second adjusting rod 10 are respectively the same as the maximum transverse length between the inner walls of the grooves on the surfaces of the first mounting block 2 and the second mounting block 11, the first adjusting rod 5 and the second adjusting rod 10 are connected with the corresponding first mounting block 2 and the second mounting block 11 in a clamping manner through the sliding block 4, the first adjusting rod 5 and the second adjusting rod 10 are aligned to the openings of the corresponding first mounting block 2 and the second mounting block 11 during mounting, the sliding block 4 is aligned to the inner grooves of the first mounting block 2 and the second mounting block 11, then the first adjusting rod 5 and the second adjusting rod 10 are pushed towards the inner parts of the first mounting block 2 and the second mounting block 11, so that the first adjusting rod 5 and the second adjusting rod 10 are fixed in a mounting area, one end of the first adjusting rod 5 is, the spring 7 is arranged on one side of the limiting strip 6, the partition plate 8 is arranged on one side of the spring 7, the contraction columns 9 are arranged on one side of the partition plate 8, four contraction columns 9 are arranged, the partition plate 8 is arranged in the central area inside the contraction columns 9, two springs 7 are respectively arranged on two sides of the partition plate 8, one end of each spring 7 is connected with one limiting strip 6, the length of each limiting strip 6 is larger than the opening size of each contraction column 9, when the springs 7 push the limiting strips 6 to the opening ends of the contraction columns 9, the contraction columns 9 can block the limiting strips 6, and therefore the limiting strips 6 are prevented from popping out of the contraction columns 9;

a second adjusting rod 10 is arranged at one end of the contracting column 9, a second mounting block 11 is connected at one end of the second adjusting rod 10, PE foam 12 is arranged at one side of the second mounting block 11, the PE foam 12 is of a hollow cylindrical structure, the centers of circles of the PE foam 12, the outer pipeline 1 and the inner pipeline 13 are all at the same point, the inner circular wall of the PE foam 12 is tangent to the outer circular wall of the outer pipeline 1, the outer circular wall of the PE foam 12 is tangent to the inner circular wall of the inner pipeline 13, the PE foam 12 is clamped into the area between the inner wall of the outer pipeline 1 and the outer wall of the inner pipeline 13 during mounting, the inner pipeline 13 is protected by the outer pipeline 1 and the PE foam 12 during use, so that the inner pipeline 13 is prevented from being corroded, the inner pipeline 13 is arranged at one side of the PE foam 12, fixing strips 14 are arranged on the surface of the first mounting block 2, the number of the fixing strips 14 is eight, and one fixing strip 14 is, the two ends of the fixing strip 14 are respectively provided with a bolt 15, the bolt 15 is in threaded connection with the round hole 3, the bolts 15 at the two ends of the fixing strip 14 are removed, the fixing strip 14 is separated from the corresponding first mounting block 2 and the second mounting block 11, then the shrinkage column 9 is pulled outwards, the shrinkage column 9 pulls the sliding block 4 out of the first mounting block 2 and the second mounting block 11 through the first adjusting rod 5 and the second adjusting rod 10, and the bolts 15 are arranged at the two ends of the fixing strip 14.

The working principle is as follows: when the pipeline external corrosion prevention device is used, firstly, four first installation blocks 2 are arranged on the inner wall of an outer pipeline 1, four second installation blocks 11 are arranged on the outer wall of an inner pipeline 13, a first adjusting rod 5 and a second adjusting rod 10 are fixedly arranged between the outer pipeline 1 and the inner pipeline 13 through a sliding block 4 during installation, so that the inner pipeline 13 is fixedly connected and fixed in a corresponding area through the second installation blocks 11 and the second adjusting rod 10, the inner pipeline 13 cannot generate displacement due to external shaking during construction, the later butt joint is influenced, a partition plate 8 is arranged in the central area inside a shrinkage column 9 of the device, two sides of the partition plate 8 are respectively provided with a spring 7, one end of each spring 7 is connected with a limiting strip 6, the first adjusting rod 5 and the second adjusting rod 10 at two ends of the shrinkage column 9 are extruded to the partition plate 8 during installation, so that the first adjusting rod 5 and the second adjusting rod 10 are retracted into the shrinkage column 9, at this time, the first adjusting rod 5 and the sliding block 4 are installed in the first installation block 2, then the first adjusting rod 5 is loosened, the length of the second adjusting rod 10 is adjusted, the second adjusting rod 10 and the sliding block 4 are installed in the second installation block 11, so that the device can be installed between the inner pipelines 13 and the outer pipelines 1 with different specifications, in addition, eight fixing strips 14 are arranged, each first installation block 2 and each second installation block 11 are provided with one fixing strip 14, bolts 15 at two ends of each fixing strip 14 are removed during the disassembly, so that the fixing strips 14 are separated from the corresponding first installation block 2 and the corresponding second installation block 11, then the shrinkage column 9 is pulled outwards, the shrinkage column 9 pulls the sliding block 4 out of the first installation block 2 and the corresponding second installation block 11 through the first adjusting rod 5 and the second adjusting rod 10, the disassembly of the shrinkage column 9 is very simple, and the device has the characteristic of the corrosion protection device outside the pipelines, those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an outer anticorrosive device of pipeline, includes outer pipeline (1) and fixed strip (14), its characterized in that: the inner wall of the outer pipeline (1) is provided with a first mounting block (2), a round hole (3) is arranged inside the first mounting block (2),

a sliding block (4) is arranged on one side of the round hole (3), a first adjusting rod (5) is connected on one side of the sliding block (4), a limiting strip (6) is connected at one end of the first adjusting rod (5), a spring (7) is arranged on one side of the limiting strip (6), a partition plate (8) is arranged on one side of the spring (7), and a shrinkage column (9) is arranged on one side of the partition plate (8);

the retractable column is characterized in that a second adjusting rod (10) is arranged at one end of the retractable column (9), one end of the second adjusting rod (10) is connected with a second mounting block (11), PE foam (12) is arranged on one side of the second mounting block (11), an inner pipeline (13) is arranged on one side of the PE foam (12), a fixing strip (14) is arranged on the surface of the first mounting block (2), and bolts (15) are arranged at two ends of the fixing strip (14).

2. The corrosion prevention device for the outside of a pipeline according to claim 1, wherein: the first installation blocks (2) and the second installation blocks (11) are respectively provided with four, the four first installation blocks (2) are respectively arranged on the transverse and longitudinal middle parting lines of the outer pipeline (1), the four second installation blocks (11) are respectively arranged on the transverse and longitudinal middle parting lines of the inner pipeline (13), and T-shaped grooves are formed in the surfaces of the first installation blocks (2) and the second installation blocks (11).

3. The corrosion prevention device for the outside of a pipeline according to claim 1, wherein: the PE foam (12) is of a hollow cylindrical structure, the circle centers of the PE foam (12), the outer pipeline (1) and the inner pipeline (13) are all located at the same point, the inner circular wall of the PE foam (12) is tangent to the outer circular wall of the outer pipeline (1), and the outer circular wall of the PE foam (12) is tangent to the inner circular wall of the inner pipeline (13).

4. The corrosion prevention device for the outside of a pipeline according to claim 1, wherein: the telescopic column is characterized in that the number of the telescopic columns (9) is four, a partition plate (8) is arranged in the central area inside the telescopic columns (9), springs (7) are arranged on two sides of the partition plate (8) respectively, one end of each spring (7) is connected with one limiting strip (6), and the length of each limiting strip (6) is larger than the opening size of each telescopic column (9).

5. The corrosion prevention device for the outside of a pipeline according to claim 1, wherein: the number of the fixing strips (14) is eight, each of the first mounting blocks (2) and the second mounting blocks (11) is provided with one fixing strip (14), two ends of each fixing strip (14) are respectively provided with one bolt (15), and each bolt (15) is in threaded connection with the corresponding round hole (3).

6. The corrosion prevention device for the outside of a pipeline according to claim 1, wherein: the maximum transverse length of the first adjusting rod (5) and the maximum transverse length of the second adjusting rod (10) are respectively the same as the maximum transverse length between the inner walls of the grooves on the surfaces of the first mounting block (2) and the second mounting block (11), and the first adjusting rod (5) and the second adjusting rod (10) are connected with the corresponding first mounting block (2) and the corresponding second mounting block (11) through the sliding block (4) in a clamping manner.