High-strength anti-corrosion seamless steel tube

Abstract

The utility model discloses a high-strength anti-corrosion seamless steel pipe which comprises a seamless steel pipe body, the seamless steel pipe body is provided with an installation threaded hole, two connecting pieces are symmetrically and fixedly connected to the side wall of the seamless steel pipe body, a protective layer is arranged on the outer wall of the seamless steel pipe body, and the protective layer comprises a wear-resistant layer. A plurality of wall-attached reinforcing column ribs are evenly and fixedly connected to the inner portion of the seamless steel pipe body in a wall-attached mode. Through the structure, one side of the seamless steel pipe body is fixedly connected with the threaded mounting column, the other side of the seamless steel pipe body is provided with the mounting threaded hole, the inner wall of the mounting threaded hole is provided with the first thread and the second thread, and the side wall of the seamless steel pipe body is symmetrically and fixedly connected with the two connecting pieces; the protective layer comprises a wear-resistant layer and an anti-rust layer, and the inner wall of the seamless steel pipe body is uniformly and fixedly connected with a plurality of wall-attached reinforcing column ribs, so that the seamless steel pipe body is well protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a seamless steel pipe technical field especially relates to a high strength anticorrosion seamless steel pipe. BACKGROUND

[0002] Seamless steel pipe is by whole round steel perforation, surface has no weld steel pipe, called seamless steel pipe. According to production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, top pipe etc. According to section shape, seamless steel pipe is divided into two kinds of round and special-shaped, and special-shaped pipe has square, oval, triangular, hexagonal, melon seed shape, star, wing tube multiple complex shape. The maximum diameter reaches 900mm, and the minimum diameter is 4mm. According to the use, there is thick-walled seamless steel pipe and thin-walled seamless steel pipe. Seamless steel pipe is mainly used as petroleum geology drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe and high-precision structural steel pipe for automobile, tractor, aviation. Seamless steel pipe needs to be provided with high-strength structure in the use process, so that it is not easy to be damaged in the use process, and needs to be provided with corrosion-resistant structure, otherwise the seamless steel pipe is easy to be damaged, so a high-strength anticorrosion seamless steel pipe is set up.

[0003] For the use of high-strength anticorrosion seamless steel pipe, the two sides of multiple seamless steel pipes are prone to slide when being placed together in the prior art, and it is difficult to connect when multiple seamless steel pipes are connected together, the connecting process is very complex, and the seamless steel pipe is prone to bending and corrosion in the use process. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high-strength anticorrosion seamless steel pipe, which is convenient for multiple seamless steel pipe bodies to be placed together and multiple seamless steel pipe bodies to be connected, and has good protection effect on the seamless steel pipe body.

[0005] In order to achieve the above-mentioned purpose, a high-strength anticorrosion seamless steel pipe is provided, which comprises a seamless steel pipe body, the seamless steel pipe body is provided with a mounting threaded hole, the seamless steel pipe body is symmetrically and fixedly connected with two connecting pieces on the side wall, the outer wall of the seamless steel pipe body is provided with a protective layer, the protective layer comprises a wear-resistant layer, and multiple wall-attached reinforcing column ribs are fixedly and uniformly connected to the inside of the seamless steel pipe body.

[0006] According to the high-strength anticorrosion seamless steel pipe, first threads and second threads are arranged on the inner walls of the mounting threaded holes respectively.

[0007] According to the high-strength anticorrosion seamless steel pipe, a threaded mounting column is fixedly connected to the other side of the seamless steel pipe body.

[0008] According to the high-strength anticorrosion seamless steel pipe, the connecting pieces are provided with connecting arc grooves on one side, and the connecting arc grooves and the seamless steel pipe body are mutually attached.

[0009] According to the high-strength anticorrosion seamless steel pipe, the wear-resistant layer is provided with a rust-proof layer on one side.

[0010] Beneficial effects:

[0011] 1. The seamless steel pipe body is fixedly connected with threaded mounting columns on one side, and is provided with mounting threaded holes on the other side, the inner wall of the mounting threaded holes is provided with first threads and second threads, and the side wall of the seamless steel pipe body is fixedly connected with two connecting pieces in symmetry, and the connecting pieces are provided with connecting arc grooves on one side, so that the multiple seamless steel pipe bodies can be placed together and the multiple seamless steel pipe bodies can be connected.

[0012] 2. The outer wall of the seamless steel pipe body is provided with a protective layer, the protective layer comprises a wear-resistant layer and a rust-proof layer, and the inner wall of the seamless steel pipe body is fixedly and uniformly attached with multiple wall-attaching reinforcing column ribs, so that the seamless steel pipe body has good protection effect.

[0013] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments.

[0015] Figure 1 A perspective view of a high-strength anticorrosion seamless steel pipe is provided for the present application.

[0016] Figure 2 A stacking schematic view of a high-strength anticorrosion seamless steel pipe is provided for the present application.

[0017] Figure 3 A structural schematic view of an inner wall-attaching reinforcing column rib of a high-strength anticorrosion seamless steel pipe is provided for the present application.

[0018] Figure 4 A component structural schematic view of a protective layer of a high-strength anticorrosion seamless steel pipe is provided for the present application.

[0019] LEGEND:

[0020] 1. Seamless steel pipe body; 2. Connecting piece; 3. Connecting arc groove; 4. Threaded mounting column; 5. First thread; 6. Second thread; 7. Mounting threaded hole; 8. Protective layer; 9. Wall-attaching reinforcing column rib; 10. Wear-resistant layer; 11. Rust-proof layer. DETAILED DESCRIPTION

[0021] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Referring to Figures 1-4 The utility model discloses a kind of high-strength anticorrosion seamless steel pipes, it includes seamless steel pipe body 1, seamless steel pipe body 1 is provided with installation screw hole 7, the screw thread installation column 4 of one side of seamless steel pipe body 1 and the inner side of installation screw hole 7 meet, after meeting, screw thread installation column 4 and installation screw hole 7 are rotated and tightened, so that multiple seamless steel pipe body 1 can be connected, installation screw hole 7 seamless steel pipe body 1 side wall is symmetrically fixedly connected with two connecting pieces 2, when multiple seamless steel pipe body 1 is placed in parallel, seamless steel pipe body 1 can be stably placed by connecting piece 2 and connecting arc groove 3, the outer wall of seamless steel pipe body 1 is provided with protective layer 8, protective layer 8 includes wear-resistant layer 10, the inside of seamless steel pipe body 1 is uniformly fixedly connected with multiple wall-attached reinforcing column ribs 9.

[0023] First screw 5 and second screw 6 are respectively arranged on the inner wall of installation screw hole 7, and are used for being screwed with screw thread installation column 4.

[0024] The other side of seamless steel pipe body 1 is fixedly connected with screw thread installation column 4, and the screw thread installation column 4 is used for being screwed with installation screw hole 7.

[0025] One side of connecting piece 2 is provided with connecting arc groove 3, and the connecting arc groove 3 is used for being attached with seamless steel pipe body 1.

[0026] Rust-proof layer 11 is arranged on one side of wear-resistant layer 10, the material of wear-resistant layer 10 is polyethylene anticorrosive coating, the polyethylene anticorrosive coating is generally a three-layer structure polyethylene anticorrosive coating, which is abbreviated as 3PE, the bottom layer is generally epoxy powder coating, the middle layer is adhesive, and the outer layer is polyethylene coating. The material of rust-proof layer 11 is epoxy resin, which has good rust-proof effect. Epoxy resin is a high molecular polymer, which is a general term for a class of polymers containing two or more epoxy groups in the molecule. It is the condensation product of epoxy chloropropane and bisphenol A or polyol. Due to the chemical activity of epoxy group, it can be opened ring with various compounds containing active hydrogen, and cross-linked to form a network structure, so it is a thermosetting resin. Bisphenol A type epoxy resin not only has the largest output and the most complete variety, but also has new modified varieties increasing and quality improving.

[0027] Working principle: the device is installed, seamless steel pipe body 1 side fixedly connected with threaded mounting column 4, the other side is provided with installation threaded hole 7, the inner wall of installation threaded hole 7 is provided with first thread 5 and second thread 6, the side wall of seamless steel pipe body 1 is fixedly connected with two connecting pieces 2, the one side of connecting piece 2 is provided with connecting arc groove 3, so that it is convenient for multiple seamless steel pipe bodies 1 to be placed and multiple seamless steel pipe bodies 1 to be connected, the outer wall of seamless steel pipe body 1 is provided with protective layer 8, protective layer 8 includes wear-resistant layer 10 and rust-proof layer 11, the inner wall of seamless steel pipe body 1 is uniformly and fixedly connected with multiple wall-attached reinforcing column ribs 9, so that it has good protection effect for seamless steel pipe body 1.

[0028] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A high-strength corrosion-resistant seamless steel pipe comprising a seamless steel pipe body (1), characterized by: The seamless steel pipe body (1) is provided with a mounting threaded hole (7), the seamless steel pipe body (1) is fixedly connected with two connecting pieces (2) on the symmetrical side wall, the outer wall of the seamless steel pipe body (1) is provided with a protective layer (8), the protective layer (8) comprises a wear-resistant layer (10), and the inner wall of the seamless steel pipe body (1) is fixedly connected with a plurality of wall-sticking reinforcing column ribs (9).

2. The high-strength corrosion-resistant seamless steel pipe according to claim 1, characterized by The inner wall of the mounting threaded hole (7) is respectively provided with a first thread (5) and a second thread (6).

3. The high-strength corrosion-resistant seamless steel pipe according to claim 1, characterized by The other side of the seamless steel pipe body (1) is fixedly connected with a threaded mounting column (4).

4. The high-strength, corrosion-resistant, seamless steel tube of claim 1, wherein, One side of the connecting piece (2) is provided with a connecting arc groove (3), and the connecting arc groove (3) and the seamless steel pipe body (1) are mutually attached.

5. The high-strength, corrosion-resistant, seamless steel tube of claim 1, wherein, One side of the wear-resistant layer (10) is provided with a rust-proof layer (11).

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