CN219345843U

CN219345843U - High-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe

Info

Publication number: CN219345843U
Application number: CN202320303910.1U
Authority: CN
Inventors: 张笃鸿
Original assignee: Zhejiang Ruixinda Industrial Co ltd
Current assignee: Zhejiang Ruixinda Industrial Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-14
Anticipated expiration: 2033-02-16

Abstract

The utility model provides a high-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe which comprises a high-strength wear-resistant dredging bent pipe and a wear-resistant dredging bent pipe piece, wherein the high-strength wear-resistant dredging bent pipe and the wear-resistant dredging bent pipe piece are installed together, the wear-resistant dredging bent pipe piece is installed at the bending center of the high-strength wear-resistant dredging bent pipe, and the wear-resistant dredging bent pipe piece is a vertical dredging piece. The utility model can maximally ensure the abrasion of the bent inner wall of the steel pipe, and can guide and turn by the self impact force of the material medium, thereby reducing the manufacturing cost.

Description

High-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe

Technical Field

The utility model belongs to the technical field of wear-resistant steel pipes, and particularly relates to a high-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe.

Background

The seamless steel pipe has a hollow section, and is used as a large number of pipelines for conveying fluid, such as pipelines for conveying petroleum, natural gas, coal gas, water and certain solid material mediums, when the stainless steel seamless steel pipe conveys solid particle material mediums, a large amount of abrasion can occur to the inner wall during long-time conveying, the abrasion can seriously affect the service life of the stainless steel seamless steel pipe, the abrasion of the inner wall of a bending part of the steel pipe is more serious, because the material mediums can impact the inner wall of the steel pipe by the rear pushing force when the material mediums are at the bending part of the steel pipe, the material mediums need to be guided to be bent and guided through the inner wall of the steel pipe, and the abrasion in the bending pipe is far greater than the abrasion of other parts, so that the bending part of the stainless steel pipe needs to be frequently replaced.

Therefore, it is very necessary to invent a stainless steel seamless steel pipe with high strength, wear resistance and corrosion resistance.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a high-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe, which comprises a high-strength wear-resistant dredging elbow pipe and a wear-resistant dredging elbow pipe fitting, wherein the high-strength wear-resistant dredging elbow pipe and the wear-resistant dredging elbow pipe fitting are installed together, the wear-resistant dredging elbow pipe fitting is installed at the bending center position of the high-strength wear-resistant dredging elbow pipe, and the wear-resistant dredging elbow pipe fitting is a vertical dredging piece.

Preferably, the high-strength wear-resistant dredging elbow comprises a high-strength wear-resistant corrosion-resistant elbow, a tightening port and a tightening lug, wherein the high-strength wear-resistant corrosion-resistant elbow is an elbow made of L, the tightening port corresponding to the high-strength wear-resistant corrosion-resistant elbow up and down is arranged at the bending center of the high-strength wear-resistant corrosion-resistant elbow, and the tightening lug is arranged on the tightening port.

Preferably, the tightening port is provided with the upper end and the lower end of the wear-dredging bent pipe fitting through the fastening lugs, and the wear-dredging bent pipe fitting is arranged at the bending center position of the high-strength wear-resistant corrosion-resistant bent pipe.

Preferably, the wear dredging bent pipe fitting comprises a dredging upright post, a dismounting bearing plate, a dredging upright plate, a buffer sheet, a transmission inner resistance disc, an outer resistance disc and a supporting upright post, wherein the corresponding dismounting bearing plate is arranged on the dredging upright post, the dredging upright plate is arranged on the periphery of the dredging upright post, and the buffer sheet is arranged between the dredging upright plates; the upper end of the dredging upright post is provided with a transmission inner resistance disc, the transmission inner resistance disc is arranged on the inner side of the outer resistance disc, and a supporting upright post is arranged below the outer resistance disc.

Preferably, the dismounting bearing plates are correspondingly arranged at the upper end and the lower end of the dredging upright post, four circular-array dredging upright plates are arranged on the dredging upright post, the four dredging upright plates are combined together to form a cross shape, and a buffer sheet is arranged between the two dredging upright plates.

Preferably, the upper end of the dredging upright post penetrates through the dismantling bearing plate to be connected with the transmission inner resistance disc, the periphery of the transmission inner resistance disc is contacted with the outer resistance disc, at least four supporting upright posts are correspondingly arranged below the outer resistance disc, and the lower ends of the supporting upright posts are fixed on the surface of the dismantling bearing plate.

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

1. the abrasion dredging elbow pipe fitting can guide the elbow pipe fitting to turn by the impact of the material medium, so that the impact force on the inner wall of the elbow pipe fitting is reduced, the abrasion degree of the inner wall is reduced, and secondly, the manufacturing cost structure is reduced because an active driving structure is not arranged, in addition, the subsequent blockage problem of the material medium in the elbow pipe fitting can be avoided, the overall service life is greatly prolonged, and the subsequent dredging work is reduced.

2. The abrasion observing structure (the transmission inner resistance disc and the outer resistance disc) is arranged on the abrasion dredging elbow fitting, the design of the structure can enable an external worker to observe the degree to which the structure is abraded by a material medium, the subsequent replacement is convenient, the assembly is prevented from being worn in a large amount and cannot be used normally (blockage can occur seriously), and the abrasion dredging elbow fitting is provided with the buffer sheet which can reduce the impact force of the material medium contacting with the buffer sheet, reduce the damage of the impact force to the integral rotation of the buffer sheet and further prolong the integral service life.

Drawings

Fig. 1 is a schematic view of an unassembled structure of the present utility model.

Fig. 2 is a schematic side view of the structure of fig. 1 according to the present utility model.

Fig. 3 is a schematic side view of the assembled side structure of the present utility model.

In the figure:

the high-strength wear-resistant dredging elbow pipe 1, the high-strength wear-resistant corrosion-resistant elbow pipe 11, a tightening port 12, a tightening lug 13, a wear-resistant dredging elbow pipe fitting 2, a dredging upright post 21, a dismounting bearing plate 22, a dredging upright plate 23, a buffer sheet 24, a transmission inner resistance disc 25, an outer resistance disc 26 and a supporting upright post 27.

Detailed Description

In order to better understand the solution of the present utility model, the following description will clearly and completely describe the solution of the embodiment of the present utility model, and it is obvious that the described embodiment is only an embodiment of a part of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the description of the embodiments, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3:

the utility model provides a high-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe, which comprises a high-strength wear-resistant dredging elbow pipe 1 and a wear-resistant dredging elbow pipe piece 2, wherein the high-strength wear-resistant dredging elbow pipe 1 and the wear-resistant dredging elbow pipe piece 2 are installed together, the wear-resistant dredging elbow pipe piece 2 is installed at the bending center position of the high-strength wear-resistant dredging elbow pipe 1, and the wear-resistant dredging elbow pipe piece 2 is a vertical dredging piece.

Embodiment one:

specifically, the high-strength wear-resistant dredging elbow pipe 1 comprises a high-strength wear-resistant corrosion-resistant elbow pipe 11, a tightening port 12 and a fastening lug 13, wherein the high-strength wear-resistant corrosion-resistant elbow pipe 11 is an elbow pipe made of an L shape, the tightening port 12 which corresponds up and down is arranged at the bending center of the high-strength wear-resistant corrosion-resistant elbow pipe 11, the fastening lug 13 is arranged on the tightening port 12, and the fastening lug 13 is connected with the wear dredging elbow pipe fitting 2 through a bolt.

Specifically, the tightening port 12 is provided with upper and lower ends of the wear-dredging elbow pipe fitting 2 through the fastening lugs 13, the wear-dredging elbow pipe fitting 2 is arranged at the bending center position of the high-strength wear-resistant corrosion-resistant elbow pipe 11, the inner side surface of the high-strength wear-resistant corrosion-resistant elbow pipe 11 is provided with a wear-resistant layer, in addition, the inside of the high-strength wear-resistant corrosion-resistant elbow pipe 11 is provided with a corrosion-resistant layer, and meanwhile, the surface of the high-strength wear-resistant corrosion-resistant elbow pipe fitting is coated with a layer of corrosion-resistant paint.

Specifically, the abrasion dredging elbow fitting 2 comprises a dredging upright post 21, a dismantling bearing plate 22, a dredging upright plate 23, a buffer sheet 24, a transmission inner resistance disc 25, an outer resistance disc 26 and a supporting upright post 27, wherein the dredging upright post 21 is provided with the corresponding dismantling bearing plate 22, the periphery of the dredging upright post 21 is provided with the dredging upright plate 23, and the buffer sheet 24 is arranged between the dredging upright plates 23; the upper end of the dredging upright post 21 is provided with a transmission inner resistance disc 25, the transmission inner resistance disc 25 is arranged on the inner side of an outer resistance disc 26, and a supporting upright post 27 is arranged below the outer resistance disc 26.

Specifically, the dismantling bearing plates 22 are correspondingly arranged at the upper end and the lower end of the dredging upright post 21, four circular-array dredging upright plates 23 are arranged on the dredging upright post 21, the four dredging upright plates 23 are formed into a cross shape, a buffer sheet 24 is arranged between the two dredging upright plates 23, the buffer sheet 24 is a sheet made of spring steel, the thickness of the buffer sheet 24 is between 1cm and 3cm, a buffer spring is arranged between the buffer sheet 24 and the dredging upright plates 23, a wear-resisting layer is further arranged on the surface of the buffer sheet 24, and the buffer sheet 24 is a protection structure of the buffer sheet 24.

Specifically, the upper end of mediation stand 21 passes dismantles bearing plate 22 and links to each other with transmission internal resistance dish 25, the periphery of transmission internal resistance dish 25 and outer resistance dish 26 contact, the below of outer resistance dish 26 corresponds and is provided with four at least support columns 27, the lower extreme of support column 27 is fixed on dismantling bearing plate 22 surface, the lower extreme of mediation stand 21 can dismantle with dismantling bearing plate 22, all be provided with the tight ear that rises that corresponds with fastening lug 13 on two dismantlement bearing plates 22, transmission internal resistance dish 25, outer resistance dish 26 and support column 27 install in the outside of high strength wear-resisting mediation return bend 1, when can not realize the resistance between transmission internal resistance dish 25 and the outer resistance dish 26 (wearing and tearing are great), at this moment, just need to renew wearing and tearing the mediation elbow pipe fitting 2.

Embodiment two:

the drawbacks or problems presented in the above background art are mainly solved by the wear-dredging elbow fitting 2: after the abrasion-resistant dredging elbow pipe fitting 2 is installed on the high-strength abrasion-resistant dredging elbow pipe 1, the abrasion-resistant dredging elbow pipe fitting 2 can work, when a material medium flows to the bending part of the high-strength abrasion-resistant corrosion-resistant elbow pipe 11 steel pipe of the high-strength abrasion-resistant dredging elbow pipe fitting 1, the material can preferentially impact the buffer sheet 24 of the abrasion-resistant dredging elbow pipe fitting 2, the buffer sheet 24 can buffer the impact force, the impact force can drive the dredging upright post 21 to rotate, so that the material medium is guided and turned, in the rotating process of the dredging upright post 21, the transmission inner resistance disc 25 at the upper end of the dredging upright post 21 can also rotate, the transmission inner resistance disc 25 can be worn with the outer resistance disc 26, so that the impact force of the material medium is reduced, the friction degree of the inner wall of the abrasion-resistant dredging elbow pipe fitting 2 is reduced, the abrasion-resistant dredging elbow pipe fitting 2 is required to be replaced, the lower dismounting bearing plate 22 is dismounted through bolts, the upper dismounting bearing plate 22 is lifted, and the inner structure of the upper dismounting bearing plate 22 is completely carried out, and the inner structure of the upper part is reversely required.

By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.

Claims

1. The high-strength wear-resistant corrosion-resistant stainless steel seamless steel pipe is characterized by comprising a high-strength wear-resistant dredging bent pipe (1) and a wear dredging bent pipe fitting (2), wherein the high-strength wear-resistant dredging bent pipe (1) and the wear dredging bent pipe fitting (2) are installed together, the wear dredging bent pipe fitting (2) is installed at the bending center position of the high-strength wear-resistant dredging bent pipe (1), and the wear dredging bent pipe fitting (2) is a vertical dredging piece.

2. The high strength, wear resistant and corrosion resistant stainless steel seamless tube of claim 1, wherein: the high-strength wear-resistant dredging elbow pipe (1) comprises a high-strength wear-resistant corrosion-resistant elbow pipe (11), a tightening port (12) and a fastening lug (13), wherein the high-strength wear-resistant corrosion-resistant elbow pipe (11) is an elbow pipe made of an L shape, the tightening port (12) corresponding to the bending center position of the high-strength wear-resistant corrosion-resistant elbow pipe (11) is arranged up and down, and the fastening lug (13) is arranged on the tightening port (12).

3. The high strength, wear resistant and corrosion resistant stainless steel seamless tube of claim 2, wherein: the tightening port (12) is provided with the upper end and the lower end of the abrasion dredging elbow pipe fitting (2) through the fastening lugs (13), and the abrasion dredging elbow pipe fitting (2) is arranged at the bending center position of the high-strength abrasion-resistant corrosion-resistant elbow pipe (11).

4. The high strength, wear resistant and corrosion resistant stainless steel seamless tube of claim 1, wherein: the abrasion dredging elbow fitting (2) comprises a dredging upright post (21), a dismounting bearing plate (22), a dredging upright plate (23), buffer sheets (24), a transmission inner resistance disc (25), an outer resistance disc (26) and a supporting upright post (27), wherein the corresponding dismounting bearing plate (22) is arranged on the dredging upright post (21), the dredging upright plate (23) is arranged on the periphery of the dredging upright post (21), and the buffer sheets (24) are arranged between the dredging upright plates (23); the upper end of the dredging upright post (21) is provided with a transmission inner resistance disc (25), the transmission inner resistance disc (25) is arranged on the inner side of an outer resistance disc (26), and a supporting upright post (27) is arranged below the outer resistance disc (26).

5. The high strength, wear resistant and corrosion resistant stainless steel seamless tube according to claim 4, wherein: the disassembly bearing plates (22) are correspondingly arranged at the upper end and the lower end of the dredging upright post (21), four circular-array dredging upright plates (23) are arranged on the dredging upright post (21), the four dredging upright plates (23) are formed into a cross shape, and a buffer sheet (24) is arranged between the two dredging upright plates (23).

6. The high strength, wear resistant and corrosion resistant stainless steel seamless tube according to claim 4, wherein: the upper end of the dredging upright post (21) penetrates through the dismounting bearing plate (22) to be connected with the transmission inner resistance disc (25), the periphery of the transmission inner resistance disc (25) is contacted with the outer resistance disc (26), at least four supporting upright posts (27) are correspondingly arranged below the outer resistance disc (26), and the lower ends of the supporting upright posts (27) are fixed on the surface of the dismounting bearing plate (22).