CN216643326U

CN216643326U - Seamless steel pipe with improved strength and toughness

Info

Publication number: CN216643326U
Application number: CN202123252834.6U
Authority: CN
Inventors: 沈永良; 沈永生; 沈涛
Original assignee: Deqing Hongtai Steel Pipe Manufacturing Co ltd
Current assignee: Deqing Hongtai Steel Pipe Manufacturing Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-31
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a seamless steel tube with improved strength and toughness, which comprises a substrate; the inside of base member is provided with bearing structure, and the surface of base member is provided with shock-absorbing structure, and shock-absorbing structure's fixed surface is connected with the strengthening layer, and the surface of strengthening layer is provided with the sealing layer, and bearing structure's inside is provided with the inoxidizing coating. According to the utility model, the internal and external structures of the base body are supported through the supporting structure and the strengthening layer, so that the overall strength of the base body is greatly improved, the influence of external vibration on the base body can be eliminated by the shock absorption structure, the toughness and the shock absorption effect of the base body can be increased, and the problems that the existing seamless steel pipe is single in structure, poor in overall strength and toughness, incapable of meeting the use requirement of a special environment and seriously influenced in the application range of the seamless steel pipe are solved.

Description

Seamless steel pipe with improved strength and toughness

Technical Field

The utility model relates to the technical field of seamless steel pipes, in particular to a seamless steel pipe with improved strength and toughness.

Background

The seamless steel pipe is formed by punching a whole round steel, and the seamless steel pipe is called as a seamless steel pipe without a welding seam on the surface, but the existing seamless steel pipe has a single structure and poor integral strength and toughness, cannot meet the use requirement of a special environment, and seriously influences the application range of the seamless steel pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a seamless steel tube with improved strength and toughness, which has the advantages of improved strength and toughness, and solves the problems that the existing seamless steel tube has a single structure, is poor in overall strength and toughness, cannot meet the use requirements of special environments, and seriously affects the application range of the seamless steel tube.

In order to achieve the purpose, the utility model provides the following technical scheme:

the seamless steel pipe with improved strength and toughness comprises a substrate; the inside of base member is provided with bearing structure, and the surface of base member is provided with shock-absorbing structure, and shock-absorbing structure's fixed surface is connected with the strengthening layer, and the surface of strengthening layer is provided with the sealing layer, and bearing structure's inside is provided with the inoxidizing coating.

Preferably, the support structure comprises an inner pipe arranged in the base body, the inner part of the inner pipe is fixedly connected with the support, and the protective layer is arranged on the surfaces of the inner pipe and the support.

Preferably, the protective layer comprises a hydrophobic layer adhered to the surfaces of the inner tube and the support, and the inner side of the hydrophobic layer is fixedly connected with a corrosion-resistant layer.

Preferably, the shock-absorbing structure comprises an elastic band fixedly connected to the surface of the base body, and a damping sleeve is fixedly connected to the outer surface of the elastic band.

Preferably, the reinforcing layer comprises an arc petal fixedly connected to the surface of the damping sleeve, and the surface of the arc petal is provided with a contraction groove.

Preferably, the sealing layer comprises a PVC film wound on the surface of the arc valve, and the surface of the PVC film is coated with an abrasion-resistant coating.

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

1. according to the utility model, the internal and external structures of the base body are supported through the supporting structure and the strengthening layer, so that the overall strength of the base body is greatly improved, the influence of external vibration on the base body can be eliminated by the shock absorption structure, the toughness and the shock absorption effect of the base body can be increased, and the problems that the existing seamless steel pipe is single in structure, poor in overall strength and toughness, incapable of meeting the use requirement of a special environment and seriously influenced in the application range of the seamless steel pipe are solved.

2. According to the utility model, through arranging the bracket and the inner pipe, the internal strength of the matrix can be improved, and the matrix is prevented from deforming and bending when being extruded.

3. According to the utility model, the hydrophobic layer and the corrosion-resistant layer are arranged, so that the substrate can be prevented from being corroded by liquid conveyed in the substrate, and meanwhile, the friction force between the liquid and the inner tube can be reduced.

4. According to the utility model, by arranging the elastic band and the damping sleeve, the influence of external vibration on the base body can be reduced, and the damping effect of the base body can be greatly improved.

5. According to the utility model, the arc petals and the contraction grooves are arranged, so that the external strength of the matrix can be improved, and the matrix can expand with heat and contract with cold by using the contraction grooves.

6. According to the utility model, by arranging the PVC film and the wear-resistant coating, the whole sealing property of the matrix can be improved, and the contact area between the surface structure of the matrix and the external environment is reduced.

Drawings

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

FIG. 2 is a schematic front view of a partial structure of the present invention.

FIG. 3 is a perspective sectional view of a part of the present invention.

In the figure: 1. a substrate; 2. a support structure; 3. a shock-absorbing structure; 4. a strengthening layer; 5. a sealing layer; 6. a protective layer; 7. an inner tube; 8. a support; 9. a hydrophobic layer; 10. a corrosion-resistant layer; 11. an elastic band; 12. a damping sleeve; 13. a curved lobe; 14. a contraction groove; 15. a PVC film; 16. and (3) wear-resistant coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the seamless steel pipe with improved strength and toughness provided by the present invention comprises a substrate 1; the inside of base member 1 is provided with bearing structure 2, and the surface of base member 1 is provided with shock-absorbing structure 3, and shock-absorbing structure 3's fixed surface is connected with strengthening layer 4, and the surface of strengthening layer 4 is provided with sealing layer 5, and bearing structure 2's inside is provided with inoxidizing coating 6.

Referring to fig. 1 and 3, the support structure 2 includes an inner tube 7 disposed inside the base 1, a bracket 8 fixedly attached to the inside of the inner tube 7, and a shield layer 6 disposed on the surfaces of the inner tube 7 and the bracket 8.

As a technical optimization scheme of the utility model, the support 8 and the inner tube 7 are arranged, so that the internal strength of the matrix 1 can be improved, and the matrix 1 is prevented from deforming and bending when being extruded.

Referring to fig. 1, the protective layer 6 includes a hydrophobic layer 9 adhered to the surfaces of the inner tube 7 and the support 8, and a corrosion-resistant layer 10 is fixedly connected to the inner side of the hydrophobic layer 9.

As a technical optimization scheme of the utility model, the hydrophobic layer 9 and the corrosion-resistant layer 10 are arranged, so that the substrate 1 can be prevented from being corroded by liquid conveyed inside the substrate 1, and meanwhile, the friction force between the liquid and the inner tube 7 can be reduced.

Referring to fig. 2, the shock-absorbing structure 3 includes an elastic band 11 fixedly connected to the surface of the base 1, and a damping sleeve 12 fixedly connected to the outer surface of the elastic band 11.

As a technical optimization scheme of the utility model, by arranging the elastic band 11 and the damping sleeve 12, the influence of external vibration on the base body 1 can be reduced, and the damping effect of the base body 1 can be greatly improved.

Referring to fig. 2, the reinforcing layer 4 comprises arc petals 13 fixedly connected to the surface of the damping sleeve 12, and contraction grooves 14 are formed on the surface of the arc petals 13.

As a technical optimization scheme of the utility model, the arc petals 13 and the contraction grooves 14 are arranged, so that the external strength of the matrix 1 can be improved, and the matrix 1 can expand with heat and contract with cold by using the contraction grooves 14.

Referring to fig. 2, the sealing layer 5 comprises a PVC film 15 wound around the surface of the arc lobes 13, the surface of the PVC film 15 being coated with a wear resistant coating 16.

As a technical optimization scheme of the utility model, by arranging the PVC film 15 and the wear-resistant coating 16, the overall sealing performance of the matrix 1 can be improved, and the contact area between the surface structure of the matrix 1 and the external environment is reduced.

The working principle and the using process of the utility model are as follows: during the use, support the inside and outside structure of base member 1 through inner tube 7, support 8 and arc lamella 13, improve the bulk strength of base member 1 by a wide margin, and the influence that outside vibrations led to the fact base member 1 can be eliminated to elastic band 11 and damping cover 12, can increase the toughness and the shock attenuation effect of base member 1, and sealing layer 5 and inoxidizing coating 6 can carry out the separation with base member 1 and inside and outside environment, reduce the damage that the environmental corrosion led to the fact base member 1.

In conclusion: this seamless steel pipe with carry high strength and toughness supports the inside and outside structure of base member 1 through bearing structure 2 and strengthening layer 4, improves base member 1's bulk strength by a wide margin, and shock-absorbing structure 3 can eliminate the influence that outside vibrations led to the fact to base member 1, can increase base member 1's toughness and shock attenuation effect, it is comparatively single to have solved current seamless steel pipe structure, bulk strength and toughness are relatively poor, can't satisfy special environment's user demand, the problem of seamless steel pipe application scope has seriously been influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seamless steel pipe with improved strength and toughness comprises a substrate (1); the method is characterized in that: the interior of base member (1) is provided with bearing structure (2), and the surface of base member (1) is provided with shock-absorbing structure (3), and the fixed surface of shock-absorbing structure (3) is connected with strengthening layer (4), and the surface of strengthening layer (4) is provided with sealing layer (5), and the interior of bearing structure (2) is provided with inoxidizing coating (6).

2. The seamless steel pipe with improved strength and toughness of claim 1, wherein: the supporting structure (2) comprises an inner pipe (7) arranged inside the base body (1), a support (8) is fixedly connected inside the inner pipe (7), and the protective layer (6) is arranged on the surfaces of the inner pipe (7) and the support (8).

3. The seamless steel pipe with improved strength and toughness of claim 2, wherein: the protective layer (6) comprises a hydrophobic layer (9) adhered to the surfaces of the inner pipe (7) and the support (8), and the inner side of the hydrophobic layer (9) is fixedly connected with a corrosion-resistant layer (10).

4. The seamless steel pipe with improved strength and toughness of claim 1, wherein: the shock absorption structure (3) comprises an elastic band (11) fixedly connected to the surface of the base body (1), and a damping sleeve (12) is fixedly connected to the outer surface of the elastic band (11).

5. The seamless steel pipe with improved strength and toughness of claim 4, wherein: the strengthening layer (4) comprises an arc petal (13) fixedly connected to the surface of the damping sleeve (12), and a contraction groove (14) is formed in the surface of the arc petal (13).

6. The seamless steel pipe with improved strength and toughness of claim 5, wherein: the sealing layer (5) comprises a PVC film (15) wound on the surface of the arc valve (13), and the surface of the PVC film (15) is coated with a wear-resistant coating (16).