High-strength impact-resistant welded pipe

Abstract

The utility model belongs to the technical field of welded pipes, and particularly relates to a high-strength impact-resistant welded pipe, which comprises a pipe body, an ABS (acrylonitrile butadiene styrene) plastic layer is adhered to the outer surface of the pipe body, a glass fiber polyester layer is adhered to the outer surface of the ABS plastic layer, a rubber layer is adhered to the outer surface of the glass fiber polyester layer, a polyurethane foam layer is sleeved on the outer surface of the rubber layer, and the polyurethane foam layer is coated on the outer surface of the rubber layer. Due to the arrangement of the ABS plastic layer, the pipe body 1 is wrapped in the ABS plastic layer, the functions of protecting the pipe body and resisting impact are achieved, due to the arrangement of the glass fiber polyester layer, the impact resistance of the product is higher, and the product has the advantages of being not prone to deformation, high in strength, resistant to impact, resistant to pressure and the like. The rubber layer is arranged, so that the surface of the product has certain toughness and has a cushioning effect, and the polyurethane foam layer is arranged, so that the product cannot be damaged in the transportation process and the carrying process, and has the effects of reducing vibration and protecting a pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of welded pipes, in particular to a high-strength and impact-resistant welded pipe. Background Art

[0002] The rapid development of modern industry has continuously put forward newer and higher requirements for welding technology, and the new achievements of modern industry and science and technology have provided a broad and strong technical foundation for the development of welding methods and special welding equipment. Welding technology and welding equipment have developed vigorously under the promotion of modern industry and science and technology. Pipeline transportation is the most important, fastest, economical and reliable way of oil and gas transportation. It can be used to transport water, crude oil, natural gas, refined oil, etc. It has the advantages of large volume, long distance, high safety and low cost, and has developed rapidly in various countries. According to relevant statistics, the oil volume of pipeline oil and gas transportation in some developed countries abroad accounts for about 2 / 3 of the total oil and gas transportation. The pipeline transportation of oil and gas plays an important role in the whole process from the production, refining, storage and users of crude oil and natural gas.

[0003] For example, a high-strength welded pipe with a publication number of CN219432658U includes a first welded pipe body, a second welded pipe body, a pipe body, a first reinforcement layer and an arc block, wherein the second welded pipe body is arranged below the first welded pipe body, the inner wall of the pipe body is provided with a first reinforcement layer, an insert block is arranged at the bottom of the first welded pipe body, a slot is provided at the contact position between the insert block and the second welded pipe body, an arc block is arranged outside the connection between the first welded pipe body and the second welded pipe body, and a locking nut is arranged on the limiting screw. The utility model, through the setting of the insert block and the slot, aligns the insert block on the first welded pipe body with the slot position on the second welded pipe body for snap connection, then wraps the connection between the first welded pipe body and the second welded pipe body through the arc block, and finally locks and fixes through the limiting screw and the locking nut, thereby ensuring the stability of the connection between the first welded pipe body and the second welded pipe body.

[0004] However, based on the working principle proposed in the above patent, the applicant believes that the above device has the disadvantages of poor practicality, low durability, low corrosion resistance, low impact resistance, the tube body is likely to be damaged during transportation and use, and it is unable to protect important parts of the tube body, and has low application in cutting-edge special industries.

[0005] Therefore, in order to solve the above problems, a high-strength and impact-resistant welded pipe is proposed. Utility Model Content

[0006] In order to make up for the shortcomings of the prior art, such as the problem of being unfavorable for rapid maintenance and the slow airflow exchange speed, the utility model provides a high-strength and impact-resistant welded pipe.

[0007] The utility model solves the technical problem by adopting the following technical solution: a high-strength impact-resistant welded pipe, comprising a pipe body, an ABS plastic layer bonded to the outer surface of the pipe body, a glass fiber polyester layer bonded to the outer surface of the ABS plastic layer, and a rubber layer bonded to the outer surface of the glass fiber polyester layer.

[0008] Preferably, the outer surface of the rubber layer is covered with a polyurethane foam layer, and the outer surface of the polyurethane foam layer is covered with an anti-corrosion layer.

[0009] Preferably, the outer surface of the tube body is provided with a phosphating layer, and the inner surface of the ABS plastic layer is coated with a first coupling agent layer.

[0010] Preferably, the outer surface of the ABS plastic layer is coated with a second coupling agent layer, and the outer surface of the glass fiber polyester layer is coated with a third coupling layer.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model realizes the characteristics of high strength, strong impact resistance and high corrosion resistance of the welded pipe through the structural design of the phosphating layer, ABS plastic layer and glass fiber polyester layer. The structural design of the rubber layer, polyurethane foam layer and anti-corrosion layer reduces the risk of damage to the welded pipe during transportation due to large vibrations caused by the road surface. This makes the product have the advantages of high safety, stronger corrosion and impact resistance, wider and more advanced application areas, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0017] In the figure: 1, pipe body; 2, phosphating layer; 3, first coupling agent layer; 301, second coupling agent layer; 302, third coupling agent layer; 4, ABS plastic layer; 5, glass fiber polyester layer; 6, rubber layer; 7, polyurethane foam layer; 8, anti-corrosion layer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The following is combined with Figure 1-3 To further explain this application in detail,

[0020] The embodiment of the present application discloses a high-strength and impact-resistant welded pipe, comprising a pipe body 1, an ABS plastic layer 4 is bonded to the outer surface of the pipe body 1, a glass fiber polyester layer 5 is bonded to the outer surface of the ABS plastic layer 4, and a rubber layer 6 is bonded to the outer surface of the glass fiber polyester layer 5.

[0021] Reference Figure 1 , Figure 2 By setting the ABS plastic layer 4, the tube body 1 is wrapped inside, which has the function of protecting the tube body 1 and resisting impact. By setting the glass fiber polyester layer 5, the product has stronger impact resistance, and has the characteristics of not easy to deform, high strength impact resistance, and pressure resistance. By setting the rubber layer 6, the surface of the product has a certain toughness and a shock-absorbing effect.

[0022] The outer surface of the rubber layer 6 is covered with a polyurethane foam layer 7 , and the outer surface of the polyurethane foam layer 7 is covered with an anti-corrosion layer 8 .

[0023] Reference Figure 1 , Figure 3 By setting the polyurethane foam layer 7, the product can be protected from damage during transportation and handling, and has the effect of reducing vibration and protecting the pipeline.

[0024] The outer surface of the tube body 1 is provided with a phosphating layer 2 , and the inner surface of the ABS plastic layer 4 is coated with a first coupling agent layer 3 .

[0025] Reference Figure 1 , Figure 2 The phosphating layer 2 is provided to make the inner and outer surfaces of the tube body 1 have the characteristics of corrosion resistance and rust resistance, and the first coupling agent layer 3 is provided to make the tube body 1 and the ABS plastic layer 4 better bonded.

[0026] The outer surface of the ABS plastic layer 4 is coated with a second coupling agent layer 301 , and the outer surface of the glass fiber polyester layer 5 is coated with a third coupling agent layer 302 .

[0027] Reference Figure 1 , Figure 2The second coupling agent layer 301 is provided to facilitate bonding between the glass fiber polyester layer 5 and the ABS plastic, and the third coupling agent layer 302 is provided to facilitate bonding between the glass fiber polyester layer 5 and the rubber layer 6 .

[0028] Working principle: First, the tube body 1 is subjected to phosphating treatment to form a phosphating layer 2 on the surface of the tube body 1, and then the ABS plastic layer 4 is bonded to the outer surface of the tube body 1 through the first coupling agent layer 3, and the ABS plastic layer 4 is bonded to the glass fiber polyester layer 5 through the second coupling agent layer 301, and the glass fiber polyester layer 5 is bonded to the rubber layer 6 through the third coupling agent layer 302, so that the product has the characteristics of high strength, corrosion resistance and impact resistance. By arranging the polyurethane foam layer 7 on the outer surface of the rubber layer 6, the product has a certain shock-absorbing effect, so that the product is not easily damaged during transportation and hoisting, and has a certain protective effect. The anti-corrosion layer 8 is wrapped on the outer surface of the polyurethane foam layer 7 so that the product has anti-corrosion characteristics from the inside to the outside.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A high-strength impact-resistant welded pipe, characterized in that: It comprises a tube body (1), the outer surface of the tube body (1) being bonded with an ABS plastic layer (4), the outer surface of the ABS plastic layer (4) being bonded with a glass fiber polyester layer (5), and the outer surface of the glass fiber polyester layer (5) being bonded with a rubber layer (6).

2. A high-strength impact-resistant welded pipe according to claim 1, characterized in that: The outer surface of the rubber layer (6) is covered with a polyurethane foam layer (7), and the outer surface of the polyurethane foam layer (7) is covered with an anti-corrosion layer (8).

3. A high-strength impact-resistant welded pipe according to claim 1, characterized in that: The outer surface of the tube body (1) is provided with a phosphating layer (2), and the inner surface of the ABS plastic layer (4) is coated with a first coupling agent layer (3).

4. A high-strength impact-resistant welded pipe according to claim 1, characterized in that: The outer surface of the ABS plastic layer (4) is coated with a second coupling agent layer (301), and the outer surface of the glass fiber polyester layer (5) is coated with a third coupling agent layer (302).

Images