3PE anti-corrosion steel pipe

Abstract

The utility model relates to the technical field of 3PE anti-corrosion steel pipes, and provides a 3PE anti-corrosion steel pipe which comprises a first installation ring, a second installation ring, an installation block, a fixing assembly and an attaching assembly, the first installation ring is fixedly installed at one end of a steel pipe body, the second installation ring is fixedly installed at the other end of the steel pipe body, and a plurality of fixing grooves are formed in the side face of the second installation ring. The number of the mounting blocks is multiple, the multiple mounting blocks are all fixedly mounted on the side face of the first mounting ring, the number of the fixing assemblies is two, the two fixing assemblies are arranged on the first mounting ring and the second mounting ring correspondingly, and the number of the attaching assemblies is two, and the two attaching assemblies are arranged on the side face of the first mounting ring. By means of the technical scheme, the problem that in the prior art, when a plurality of 3PE anti-corrosion steel pipes are connected, the anti-corrosion layers on the outer sides of the 3PE anti-corrosion steel pipes are prone to being damaged in a welding mode, and therefore the anti-corrosion effect of the 3PE anti-corrosion steel pipes is poor is solved.

Description

Technical Field

[0001] This utility model relates to the field of 3PE anti-corrosion steel pipe technology, specifically to 3PE anti-corrosion steel pipe. Background Technology

[0002] 3PE anti-corrosion steel pipe refers to steel pipe that has undergone special anti-corrosion treatment to form an anti-corrosion layer on the surface of the steel pipe, which can effectively prevent or slow down the corrosion of the steel pipe during use. It is widely used in many fields such as oil and natural gas transportation and urban water supply. For example, in the oil and natural gas industry, since the transported medium contains corrosive components, the use of 3PE anti-corrosion steel pipe can greatly extend the service life of the pipeline.

[0003] When connecting multiple steel pipes, the ends of the pipes are usually welded together to form a longer pipeline for transportation. However, since the outer layer of 3PE anti-corrosion steel pipe contains an anti-corrosion layer, and the high temperature of welding can damage the anti-corrosion layer, the anti-corrosion performance of the steel pipe is easily reduced when welding the pipes together. Furthermore, it is inconvenient to dismantle the pipes later when they are repaired or removed because multiple pipes are welded together. Utility Model Content

[0004] This utility model proposes a 3PE anti-corrosion steel pipe, which solves the problem in the prior art that when connecting multiple 3PE anti-corrosion steel pipes, welding can easily damage the anti-corrosion layer on the outside of the 3PE anti-corrosion steel pipe, resulting in poor anti-corrosion effect of the 3PE anti-corrosion steel pipe.

[0005] The technical solution of this utility model is as follows:

[0006] The 3PE anti-corrosion steel pipe includes a steel pipe body, and also includes a first mounting ring, a second mounting ring, mounting blocks, fixing components, and fitting components. The first mounting ring is fixedly installed at one end of the steel pipe body, and the second mounting ring is fixedly installed at the other end of the steel pipe body. The side of the second mounting ring has several fixing grooves. Several mounting blocks are provided, and all of the mounting blocks are fixedly installed on the side of the first mounting ring. Two fixing components are provided, one on the first mounting ring and one on the second mounting ring. Two fitting components are provided, and the two fitting components are located on the side of the first mounting ring.

[0007] Furthermore, the fixing component includes a fixing block, a fixing bracket, a threaded rod, and a handwheel. The fixing block is fixedly installed on the second mounting ring, the fixing bracket is fixedly installed on the first mounting ring, the threaded rod is threadedly installed on the fixing block and the fixing bracket, and the handwheel is fixedly installed on the top end of the threaded rod.

[0008] Furthermore, the bonding assembly includes a sliding box, a U-shaped frame, a connecting frame, a bonding plate, and bolts. The sliding box is fixedly installed on the side of the second mounting ring, and a groove and a threaded hole are provided at the top of the sliding box. The U-shaped frame is slidably installed inside the sliding box, and a threaded hole is provided at the top of the U-shaped frame. The connecting frame is fixedly installed on the side of the U-shaped frame, and the bonding plate is fixedly installed on the side of the connecting frame. The bolts are threaded into the threaded holes.

[0009] Furthermore, the protective component includes a protective box, a limiting block, and a limiting frame. The protective box is slidably installed in a groove at the top of the sliding box, and a limiting hole is provided at the top of the protective box. The limiting block is fixedly installed at the top of the sliding box, and a limiting groove is provided at the top of the limiting block. The limiting frame is adapted to the limiting groove and the limiting hole.

[0010] Furthermore, both the first mounting ring and the second mounting ring have through grooves on their sides, and the bonding plate and the through grooves are located at the same horizontal position.

[0011] Furthermore, the mounting block is adapted to the fixing groove of the second mounting ring, and the number of mounting blocks is consistent with the number of fixing grooves.

[0012] The working principle and beneficial effects of this utility model are as follows:

[0013] 1. In this utility model, when installing two 3PE anti-corrosion steel pipes, the first mounting ring of one steel pipe can be attached to the second mounting ring of the next steel pipe, and the mounting block can be inserted into the fixing groove of the second mounting ring. After connection, the first mounting ring and the second mounting ring can be fixed again by the fixing component to prevent displacement.

[0014] 2. In this utility model, after the connection is completed, the bonding plate can be passed through the through grooves of the first mounting ring and the second mounting ring by the bonding component, thereby bonding the connection of the two steel pipes for a period of time, thus avoiding the steel pipes from shifting within the first mounting ring and the second mounting ring.

[0015] In summary, this 3PE anti-corrosion steel pipe can connect multiple 3PE anti-corrosion steel pipes through the cooperation of mounting ring one, mounting ring two, mounting block, fixing component and bonding component, without welding, so that the anti-corrosion performance of the 3PE anti-corrosion steel pipe can still be guaranteed after the connection is completed. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the steel pipe body, mounting ring one, mounting ring two, and fixing components of this utility model.

[0019] Figure 3 This is a schematic diagram of the bonding component of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the protective component and the sliding box of this utility model.

[0021] In the diagram: 1. Steel pipe body; 2. Mounting ring one; 3. Mounting ring two; 4. Mounting block; 101. Fixing block; 102. Fixing bracket; 103. Threaded rod; 104. Handwheel; 201. U-shaped bracket; 202. Connecting bracket; 203. Adhesive plate; 204. Bolt; 205. Sliding box; 301. Protective box; 302. Limiting block; 303. Limiting bracket. Detailed Implementation

[0022] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0023] like Figures 1-4 As shown in the figure, this embodiment proposes a 3PE anti-corrosion steel pipe, including a steel pipe body 1, and also including a mounting ring 1 2, a mounting ring 2 3, a mounting block 4, a fixing component, and a bonding component. The mounting ring 1 2 is fixedly installed at one end of the steel pipe body 1, and the mounting ring 2 3 is fixedly installed at the other end of the steel pipe body 1. Several fixing grooves are opened on the side of the mounting ring 2 3. Several mounting blocks 4 are provided, and several mounting blocks 4 are fixedly installed on the side of the mounting ring 1 2. Two fixing components are provided, and the two fixing components are respectively provided on the mounting ring 1 2 and the mounting ring 2 3. Two bonding components are provided, and the two bonding components are provided on the side of the mounting ring 1 2.

[0024] Mounting block 4 is compatible with the fixing groove of mounting ring 2 3, and the number of mounting blocks 4 and fixing grooves are consistent. When connecting, mounting blocks 4 can be inserted into the fixing groove of mounting ring 2 3 respectively, so that mounting ring 1 2 and mounting ring 2 3 are attached together. It should be added that after attachment, the sides of the two steel pipes are attached together.

[0025] In this embodiment, reference Figure 2The fixing components include a fixing block 101, a fixing bracket 102, a threaded rod 103, and a handwheel 104. The fixing block 101 is fixedly installed on the second mounting ring 3, the fixing bracket 102 is fixedly installed on the first mounting ring 2, the threaded rod 103 is threadedly installed on the fixing block 101 and the fixing bracket 102, and the handwheel 104 is fixedly installed on the top of the threaded rod 103.

[0026] In this embodiment, reference Figure 3 The bonding assembly includes a sliding box 205, a U-shaped frame 201, a connecting frame 202, a bonding plate 203, and a bolt 204. The sliding box 205 is fixedly installed on the side of the mounting ring 2 3, and a sliding groove and a threaded hole are provided at the top of the sliding box 205. The U-shaped frame 201 is slidably installed inside the sliding box 205, and a threaded hole is provided at the top of the U-shaped frame 201. The connecting frame 202 is fixedly installed on the side of the U-shaped frame 201. The bonding plate 203 is fixedly installed on the side of the connecting frame 202. The bolt 204 is threadedly connected to the threaded hole.

[0027] Both mounting ring 2 and mounting ring 3 have through grooves on their sides, and the bonding plate 203 is at the same horizontal position as the through grooves. After the sides of the two 3PE anti-corrosion steel pipes are connected, the bonding plate 203 can be moved into the through groove, and then the bonding plate 203 will be used to bond the connection between the two steel pipes, thus fixing them once again.

[0028] In this embodiment, reference Figure 4 The protective components include a protective box 301, a limiting block 302, and a limiting frame 303. The protective box 301 is slidably installed in the sliding groove at the top of the sliding box 205, and a limiting hole is provided at the top of the protective box 301. The limiting block 302 is fixedly installed at the top of the sliding box 205, and a limiting groove is provided at the top of the limiting block 302. The limiting frame 303 is adapted to the limiting groove and the limiting hole.

[0029] The protective component protects the bolt 204 by placing it inside the protective box 301, thereby preventing soil from contacting it.

[0030] In this embodiment, when connecting the 3PE anti-corrosion steel pipes, firstly, one end of the mounting ring 2 of the first steel pipe is attached to the mounting ring 3 of the second steel pipe. Then, the mounting block 4 on the mounting ring 2 is inserted into the fixing groove of the mounting ring 3. After insertion, the fixing bracket 102 is positioned above the fixing block 101. The threaded rod 103 can be threaded into the fixing block 101 and the fixing bracket 102 by rotating the handwheel 104, thus fixing them. After fixing, the sliding U-shaped bracket is positioned in the sliding box 205, thereby driving the connecting bracket 202 and the bonding plate 203. Move forward so that the bonding plate 203 fits the gap at the connection of the two 3PE anti-corrosion steel pipes. After the bonding is completed, thread the bolt 204 into the threaded hole of the U-shaped frame and the sliding box 205 to fix the bonding plate 203. After fixing, slide the protective box 301 and slide one end of it to the limiting block 302. At this time, the bolt 204 is located inside the protective box 301, and the side opening of the protective box 301 is blocked by the limiting block 302. Finally, insert the limiting frame 303 into the limiting hole of the protective box 301 and the limiting groove of the limiting block 302 to fix it.

[0031] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A 3PE anticorrosion steel pipe comprising a steel pipe body (1), characterized in that, Also include: The installation ring one (2) is fixedly installed at one end of the steel pipe body (1); The installation ring two (3) is fixedly installed at the other end of the steel pipe body (1), and a plurality of fixing grooves are formed in the side surface of the installation ring two (3); The installation block (4) is provided with a plurality of installation blocks (4), and the installation blocks (4) are fixedly installed on the side surface of the installation ring one (2); The fixing assembly is provided with two fixing assemblies, and the two fixing assemblies are arranged on the installation ring one (2) and the installation ring two (3) respectively; The fitting assembly is provided with two fitting assemblies, and the two fitting assemblies are arranged on the side surface of the installation ring one (2).

2. The 3PE corrosion resistant steel pipe according to claim 1, characterized in that, The fixing assembly comprises: The fixing block (101) is fixedly installed on the installation ring two (3); The fixing frame (102) is fixedly installed on the installation ring one (2); The threaded rod (103) is threadedly installed on the fixing block (101) and the fixing frame (102); The hand wheel (104) is fixedly installed at the top end of the threaded rod (103).

3. The 3PE corrosion resistant steel pipe according to claim 2, characterized in that, The fitting assembly comprises: The sliding box (205) is fixedly installed on the side surface of the installation ring two (3), and a sliding groove and a threaded hole are formed in the top end of the sliding box (205); The U-shaped frame (201) is slidably installed in the sliding box (205), and a threaded hole is formed in the top end of the U-shaped frame (201); The connecting frame (202) is fixedly installed on the side surface of the U-shaped frame (201); The fitting plate (203) is fixedly installed on the side surface of the connecting frame (202); The bolt (204) is threadedly connected in the threaded hole.

4. The 3PE corrosion resistant steel pipe according to claim 3, characterized in that, It also includes a protection assembly, which comprises: The protection box (301) is slidably installed in the sliding groove at the top end of the sliding box (205), and a limiting hole is formed in the top end of the protection box (301); The limiting block (302) is fixedly installed at the top end of the sliding box (205), and a limiting groove is formed in the top end of the limiting block (302); The limiting frame (303) is matched with the limiting groove and the limiting hole.

5. The 3PE corrosion resistant steel pipe according to claim 4, characterized in that, The side surfaces of the installation ring one (2) and the installation ring two (3) are provided with through grooves, and the fitting plate (203) is located in the same horizontal position as the through grooves.

6. The 3PE corrosion resistant steel pipe according to claim 5, characterized in that, The installation block (4) is matched with the fixing groove of the installation ring two (3), and the number of the installation block (4) is consistent with that of the fixing groove.

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