CN216643464U

CN216643464U - High-temperature-resistant ultrahigh molecular weight polyethylene composite pipe

Info

Publication number: CN216643464U
Application number: CN202122836553.9U
Authority: CN
Inventors: 陈宝峰; 陈平平; 陈坤
Original assignee: Jilin Yutong Special Pipe Industry Co ltd
Current assignee: Jilin Yutong Special Pipe Industry Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-31
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a high-temperature-resistant ultrahigh molecular weight polyethylene composite pipe, which comprises a first composite pipe, wherein one end of the first composite pipe is connected with a second composite pipe, a reinforcing mechanism is arranged at the joint of the first composite pipe and the second composite pipe, the reinforcing mechanism comprises a connecting sleeve, the connecting sleeve is connected to the surfaces of the first composite pipe and the second composite pipe, the connecting sleeve comprises a first connecting block and a second connecting block, a first fixed block is arranged at one end of the first connecting block, a second fixed block is arranged at one end of the second connecting block, a connecting groove is formed in one end of the second fixed block, and a bolt is connected to the inner side of the connecting groove; through the reinforcing mechanism who sets up, can add safeguard procedures in the junction of first compound pipe and the compound pipe of second, the effectual compound pipe of having avoided ultra high molecular weight polyethylene receives external factor influence when using and leads to the disconnection, is favorable to saving the maintenance cost in pipeline later stage.

Description

High-temperature-resistant ultra-high molecular weight polyethylene composite pipe

Technical Field

The utility model relates to the technical field of composite pipes, in particular to a high-temperature-resistant ultrahigh molecular weight polyethylene composite pipe.

Background

The ultra-high molecular weight polyethylene is thermoplastic engineering plastic with the average molecular weight of more than 200 ten thousand, which is polymerized by ethylene and butadiene monomers under the action of a catalyst; the ultra-high molecular weight polyethylene composite pipe has the characteristics of excellent corrosion resistance, smooth inner wall, small friction resistance, small pressure drop, difficult scaling, wax deposition and the like, and is widely applied to the field of oil and gas transmission, the long-term working temperature of the crosslinked polyethylene composite pipe can reach 90 ℃, and the thermal life can reach 40 years;

in the oil gas transportation process, a plurality of pipelines may be needed to be connected, the connection part is easily influenced by external factors to cause disconnection, the maintenance cost is high, the sealing performance of the connection part of the existing ultrahigh molecular weight polyethylene composite pipe is poor, oil gas leakage is easily caused, the transportation efficiency of high-temperature and high-pressure oil gas is reduced, and therefore the high-temperature and ultrahigh molecular weight polyethylene composite pipe is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the high-temperature-resistant ultrahigh molecular weight polyethylene composite pipe, and a protective measure can be added at the joint of the first composite pipe and the second composite pipe through the arranged reinforcing mechanism, so that the ultrahigh molecular weight polyethylene composite pipe is effectively prevented from being disconnected due to the influence of external factors when in use, and the later maintenance cost of the pipeline is saved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a compound pipe of high temperature resistant ultra high molecular weight polyethylene, includes first compound pipe, first compound pipe one end is connected with the compound pipe of second, first compound pipe is provided with strengthening mechanism with the compound union coupling of second, strengthening mechanism includes the adapter sleeve, the adapter sleeve is connected in first compound pipe and the compound pipe surface of second, the adapter sleeve includes first connecting block and second connecting block, first connecting block one end is provided with first fixed block, second connecting block one end is provided with the second fixed block, the spread groove has been seted up to second fixed block one end, the spread groove inboard is connected with the bolt, bolt one end runs through the second fixed block and is in the first connecting block outside with first fixed block, bolt one end surface is connected with the nut.

As a preferred technical scheme of the utility model, the pipe joint further comprises a sealing mechanism, the sealing mechanism comprises a sealing ring, the sealing ring is connected to the surfaces of the first composite pipe and the second composite pipe, a limiting block is arranged on the surface of one end of the sealing ring, a limiting groove is formed in the surface of the inner side of the first connecting block, and one end of the limiting block is positioned at the inner side of the limiting groove.

As a preferred technical solution of the present invention, the first connecting block and the second connecting block are both in a semicircular structure, and the first connecting block and the second connecting block are located at symmetrical positions.

As a preferred technical scheme of the present invention, the first fixed block and the second fixed block are both rectangular structures, and the first fixed block and the second fixed block are in parallel.

As a preferable technical scheme of the utility model, the connecting groove is of a cylindrical structure, and the inner side of the connecting groove is provided with a thread.

As a preferable technical scheme of the utility model, the number of the bolts is four, and the four bolts are symmetrically distributed in pairs and in groups.

As a preferred technical scheme of the utility model, the sealing ring is of a cylindrical structure, and the surface of the sealing ring is equidistantly provided with limiting blocks.

As a preferred technical scheme of the utility model, the limiting block is of an arc-shaped structure and is made of rubber materials.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through the arrangement of the reinforcing mechanism, a protective measure can be added at the joint of the first composite pipe and the second composite pipe, so that the ultrahigh molecular weight polyethylene composite pipe is effectively prevented from being broken due to the influence of external factors when in use, and the later maintenance cost of the pipeline is saved;

2. through the sealing mechanism who sets up, can install the sealing washer in the junction of adapter sleeve and ultra high molecular weight polyethylene composite pipe, the effectual oil gas that prevents leaks is favorable to improving the transport efficiency of oil gas, and convenient to detach changes, keeps good sealed effect.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at B according to the present invention;

wherein: 1. a first clad pipe; 2. a second composite tube; 3. connecting sleeves; 4. a seal ring; 31. a first connection block; 32. a first fixed block; 33. a second connecting block; 34. a second fixed block; 35. A bolt; 36. a nut; 37. connecting grooves; 38. a limiting groove; 41. and a limiting block.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, a high temperature resistant ultra-high molecular weight polyethylene composite pipe comprises a first composite pipe 1, one end of the first composite pipe 1 is connected with a second composite pipe 2, a reinforcing mechanism is arranged at the joint of the first composite pipe 1 and the second composite pipe 2, the reinforcing mechanism comprises a connecting sleeve 3, the connecting sleeve 3 is connected to the surfaces of the first composite pipe 1 and the second composite pipe 2, the connecting sleeve 3 comprises a first connecting block 31 and a second connecting block 33, one end of the first connecting block 31 is provided with a first fixing block 32, one end of the second connecting block 33 is provided with a second fixing block 34, one end of the second fixing block 34 is provided with a connecting groove 37, the inner side of the connecting groove 37 is connected with a bolt 35, one end of the bolt 35 penetrates through the second fixing block 34 and the first fixing block 32 to be located at the outer side of the first connecting block 31, and one end surface of the bolt 35 is connected with a nut 36;

when the connecting sleeve 3 is installed, the first connecting block 31 is placed on the upper surface of the joint of the first composite pipe 1 and the second composite pipe 2, then the second connecting block 33 is placed at the position parallel to the first connecting block 31, so that the first fixing block 32 and the second fixing block 34 are in parallel positions, then the bolt 35 sequentially penetrates through the second fixing block 34 to be connected with the first fixing block 32, and finally the nut 36 is tightly screwed with the bolt 35, so that the installation is completed; through the reinforcing mechanism who sets up, can add safeguard procedures in the junction of first compound pipe 1 and the compound pipe 2 of second, the effectual compound pipe of having avoided ultra high molecular weight polyethylene receives external factor to influence when using and leads to the disconnection, is favorable to saving the maintenance cost in pipeline later stage.

In other embodiments, as shown in fig. 3-4, the present embodiment discloses that the present invention further includes a sealing mechanism, the sealing mechanism includes a sealing ring 4, the sealing ring 4 is connected to the surfaces of the first composite pipe 1 and the second composite pipe 2, a limiting block 41 is disposed on a surface of one end of the sealing ring 4, a limiting groove 38 is disposed on a surface of an inner side of the first connecting block 31, and one end of the limiting block 41 is located inside the limiting groove 38;

when the sealing ring 4 is installed, one end of the first composite pipe 1 penetrates into the sealing ring 4, then the position of the sealing ring 4 is pushed to one side of the first composite pipe 1, after the first composite pipe 1 is connected with the second composite pipe 2, the sealing ring 4 is moved to a connection position, so that the limiting block 41 on the sealing ring 4 is respectively connected with the first connecting block 31 and the second connecting block 33 in a clamping manner, and then the connecting sleeve 3 is installed, so that the connection is completed; through the sealing mechanism who sets up, can install sealing washer 4 in the junction of adapter sleeve 3 and ultra high molecular weight polyethylene composite pipe, the effectual oil gas that prevents leaks is favorable to improving the transport efficiency of oil gas, and convenient to detach changes, keeps good sealed effect.

In other embodiments, as shown in fig. 3, the first connecting block 31 and the second connecting block 33 are both in a semicircular structure, and the first connecting block 31 and the second connecting block 33 are located at symmetrical positions; through the first connecting block 31 and the second connecting block 33 that set up for adapter sleeve 3 is convenient for install and dismantles, and sets first connecting block 31 and second connecting block 33 to semicircular structure, with the laminating more of pipeline, is favorable to improving the stability of connecting.

In other embodiments, as shown in fig. 2, the first fixing block 32 and the second fixing block 34 are both rectangular parallelepiped structures, and the first fixing block 32 and the second fixing block 34 are parallel to each other; by arranging the first fixing block 32 and the second fixing block 34 in parallel, attachment mounting is relatively easy.

In other embodiments, as shown in fig. 2, the connection groove 37 is a cylindrical structure, and the inner side of the connection groove 37 is provided with a thread; through setting connecting groove 37 to the cylinder structure for it is more stable to be connected with bolt 35, and offers screw thread at connecting groove 37 inboard, makes to connect more firmly.

In other embodiments, as shown in fig. 1-2, the embodiment discloses that four bolts 35 are provided, and four bolts 35 are symmetrically distributed in pairs; through having set up four bolts 35 for fixed effect is better, and four bolts 35 two liang are a set of symmetric distribution, have strengthened the equilibrium.

In other embodiments, as shown in fig. 4, the sealing ring 4 is a cylindrical structure, and the surface of the sealing ring 4 is provided with the limiting blocks 41 at equal intervals; the limiting blocks 41 are arranged on the surface of the sealing ring 4 at equal intervals, so that the connection is more stable.

In other embodiments, as shown in fig. 4, the limiting block 41 has an arc-shaped structure, and the limiting block 41 is made of rubber; by setting the limiting block 41 to be made of rubber, the mounting and dismounting are more convenient.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature resistant ultra high molecular weight polyethylene composite pipe, includes first composite pipe (1), its characterized in that: one end of the first composite pipe (1) is connected with a second composite pipe (2), a reinforcing mechanism is arranged at the joint of the first composite pipe (1) and the second composite pipe (2), the reinforcing mechanism comprises a connecting sleeve (3), the connecting sleeve (3) is connected to the surfaces of the first composite pipe (1) and the second composite pipe (2), the connecting sleeve (3) comprises a first connecting block (31) and a second connecting block (33), a first fixing block (32) is arranged at one end of the first connecting block (31), a second fixing block (34) is arranged at one end of the second connecting block (33), a connecting groove (37) is formed at one end of the second fixing block (34), a bolt (35) is connected to the inner side of the connecting groove (37), one end of the bolt (35) penetrates through the second fixing block (34) and is located on the outer side of the first connecting block (31) together with the first fixing block (32), and a nut (36) is connected to the surface of one end of the bolt (35).

2. The composite pipe of claim 1, wherein: still include sealing mechanism, sealing mechanism includes sealing washer (4), sealing washer (4) are connected in first compound pipe (1) and the compound pipe (2) surface of second, sealing washer (4) one end surface is provided with stopper (41), spacing groove (38) have been seted up to first connecting block (31) inboard surface, stopper (41) one end is in spacing groove (38) inboard.

3. The composite pipe of claim 1, wherein: the first connecting block (31) and the second connecting block (33) are both in a semicircular structure, and the first connecting block (31) and the second connecting block (33) are in symmetrical positions.

4. The composite pipe of claim 1, wherein: first fixed block (32) and second fixed block (34) all are the cuboid structure, just first fixed block (32) and second fixed block (34) are in parallel position.

5. The composite pipe of claim 1, wherein: the connecting groove (37) is of a cylindrical structure, and the inner side of the connecting groove (37) is provided with a thread.

6. The composite pipe of claim 1, wherein: the number of the bolts (35) is four, and the four bolts (35) are symmetrically distributed in a group of two.

7. The composite pipe of claim 2, wherein: the sealing ring (4) is of a cylindrical structure, and the surface of the sealing ring (4) is provided with limiting blocks (41) at equal intervals.

8. The composite pipe of claim 2, wherein: the limiting block (41) is of an arc-shaped structure, and the limiting block (41) is made of rubber materials.