Spiral welded pipe with multiple arc-shaped reinforcing ribs

Abstract

The utility model relates to the technical field of spiral welded pipes, in particular to a spiral welded pipe with multiple arc-shaped reinforcing ribs, which comprises a pipe wall and a spiral welding seam, the spiral welding seam is mounted on the outer wall of the pipe wall, a reinforcing mechanism is arranged on the outer wall of the spiral welding seam and comprises a first welding block, and the outer wall of the first welding block is fixedly connected with the spiral welding seam. The outer wall of the first welding block is fixedly connected with a connecting column, and the end of the connecting column is fixedly connected with a second welding block. The width of the double-arc-shaped reinforcing rib is doubled in the machining process, a first arc-shaped cavity and a second arc-shaped cavity in the double-arc-shaped reinforcing rib are reinforced again through a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, and the interior of the double-arc-shaped reinforcing rib is welded to a second welding block on a connecting column one by one; the supporting strength of a single reinforcing rib on the pipeline is enhanced through the multiple arc-shaped reinforcing ribs, additional machining through more procedures is not needed, stable quality is guaranteed, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral welded pipes, in particular to a spiral welded pipe with multi-arc reinforcing ribs. Background Technique

[0002] Spiral welded pipe is an important mining pipe. After the steel strip is spirally wound, it is welded through a spiral weld, and is mainly used for pumping gas underground in mines.

[0003] For example, a reinforcing rib spiral welded pipe with the authorization announcement number of "CN209084198U" solves the problem that in the process of transporting positive pressure fluid, the spiral reinforcing ribs on the pipe body are easily stretched, causing the entire pipe body to deform and have poor stability. The above-mentioned groove structure includes a notch, a bottleneck and a first groove, and the bottleneck communicates the inside of the notch and the first groove; due to the small size of the bottleneck, in the process of transporting positive pressure fluid, the spiral reinforcing ribs on the pipe body are not easily stretched. Considering the existing reinforcing rib spiral welded pipes, the process and equipment design are simple. External reinforcing ribs need to be processed separately according to different plate thicknesses. Facing complex processes, the quality of the reinforcing process depends on manual control, resulting in unstable quality and relatively high costs. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the quality of the existing reinforcing rib spiral welded pipe depends on manual control in the reinforcing process, resulting in unstable quality and relatively high costs, and to propose a spiral welded pipe with multi-arc reinforcing ribs.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A spiral welded pipe with multi-arc reinforcing ribs, including a pipe wall and a spiral weld. The outer wall of the pipe wall is provided with a spiral weld, and a reinforcing mechanism is arranged on the outer wall of the spiral weld. The reinforcing mechanism includes a first welding block, the outer wall of the first welding block is fixedly connected with the spiral weld, the outer wall of the first welding block is fixedly connected with a connecting column, the end of the connecting column is fixedly connected with a second welding block, the outer wall of the second welding block is fixedly connected with a double-arc reinforcing rib, and the inner wall of the double-arc reinforcing rib is fixedly connected with a first reinforcing rib.

[0006] Preferably, a connecting mechanism is arranged at the end of the double-arc reinforcing rib. The connecting mechanism includes a round block, the end of the round block is fixedly connected with the double-arc reinforcing rib, the outer wall of the round block is rotatably connected with a connecting rod, the outer wall of the connecting rod is fixedly connected with a convex block, and the outer wall of the convex block abuts against a clamping groove.

[0007] Preferably, a first arc-shaped inner cavity and a second arc-shaped inner cavity are arranged on the inner wall of the double-arc reinforcing rib. A second reinforcing rib is arranged on the inner wall of the second arc-shaped inner cavity, and the outer wall of the second reinforcing rib is fixedly connected with the pipe wall.

[0008] Preferably, the inner wall of the double-arc reinforcing rib is fixedly connected to the connecting seat, the outer wall of the connecting seat is fixedly connected to the spring, and the end of the spring is fixedly connected to the connecting rod.

[0009] Preferably, a clamping groove is installed at the end of the double-arc reinforcing rib.

[0010] Preferably, the outer wall of the pipe wall is fixedly connected to the first reinforcing rib.

[0011] A multi-arc reinforcing rib spiral welded pipe proposed by the present utility model has the beneficial effects that: during the processing, the width of the double-arc reinforcing rib doubles, and the first arc cavity and the second arc cavity inside the double-arc reinforcing rib are further reinforced by multiple first reinforcing ribs and second reinforcing ribs. The inside of the double-arc reinforcing rib is welded to the second welding block on the connecting column one by one, so that the multi-arc reinforcing rib enhances the support strength of a single reinforcing rib for the pipeline, and there is no need for more processes for additional processing, ensuring stable quality and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is Figure 1 the front view sectional structural diagram in

[0014] Figure 3 is Figure 1 the side view sectional structural diagram in

[0015] Figure 4 is Figure 2 the enlarged structural diagram at A in

[0016] Figure 5 is Figure 3 the enlarged structural diagram at B in

[0017] Figure 6 is Figure 3 the enlarged structural diagram at C in

[0018] In the figure: 1, pipe wall; 2, spiral weld; 3, reinforcement mechanism; 301, first welding block; 302, connecting column; 303, second welding block; 304, double-arc reinforcing rib; 305, first reinforcing rib; 4, connecting mechanism; 401, round block; 402, connecting rod; 403, convex block; 404, clamping groove; 5, first arc inner cavity; 6, second arc inner cavity; 7, second reinforcing rib; 8, connecting seat; 9, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

[0020] Please refer to Figures 1-6 , the present utility model provides a technical solution: a multi-arc reinforcing rib spiral welded pipe, including a pipe wall 1 and a spiral weld 2. The outer wall of the pipe wall 1 is provided with a spiral weld 2, and a reinforcing mechanism 3 is provided on the outer wall of the spiral weld 2. Through the welding between the first welding block 301 and the second welding block 303 on the pipe wall 1 and the double-arc reinforcing rib 304, the reinforcement effect between the double-arc reinforcing rib 304 and the pipe wall 1 is realized. The reinforcing mechanism 3 includes a first welding block 301. The outer wall of the first welding block 301 is fixedly connected to the spiral weld 2. The outer wall of the first welding block 301 is fixedly connected to a connecting column 302. The end of the connecting column 302 is fixedly connected to a second welding block 303. The outer wall of the second welding block 303 is fixedly connected to the double-arc reinforcing rib 304. The inner wall of the double-arc reinforcing rib 304 is fixedly connected to a first reinforcing rib 305;

[0021] The width of the double-arc reinforcing rib 304 doubles during the processing. Multiple first reinforcing ribs 305 and second reinforcing ribs 7 are also provided in the first arc cavity 5 and the second arc cavity 6 inside the double-arc reinforcing rib 304 for secondary reinforcement. The inside of the double-arc reinforcing rib 304 is welded to the second welding block 303 on the connecting column 302 one by one, so that the multi-arc reinforcing rib enhances the support strength of a single reinforcing rib for the pipeline, and there is no need for more processes for additional processing, ensuring stable quality and reduced cost.

[0022] Please refer to Figure 1 、 Figure 2 and Figure 5 , a connecting mechanism 4 is provided at the end of the double-arc reinforcing rib 304. By inserting the convex block 403 at the end of the connecting rod 402 inside the double-arc reinforcing rib 304 into the card slot 404, the effect of connecting both ends of the double-arc reinforcing rib 304 is realized. The connecting mechanism 4 includes a round block 401. The end of the round block 401 is fixedly connected to the double-arc reinforcing rib 304. The outer wall of the round block 401 is rotatably connected to a connecting rod 402. The outer wall of the connecting rod 402 is fixedly connected to a convex block 403. The outer wall of the convex block 403 abuts tightly against the card slot 404.

[0023] Please refer to Figure 1 and Figure 2 , a first arc cavity 5 and a second arc cavity 6 are installed on the inner wall of the double-arc reinforcing rib 304. A second reinforcing rib 7 is installed on the inner wall of the second arc cavity 6. The outer wall of the second reinforcing rib 7 is fixedly connected to the pipe wall 1. The inner wall of the double-arc reinforcing rib 304 is fixedly connected to a connecting seat 8. The outer wall of the connecting seat 8 is fixedly connected to a spring 9. The end of the spring 9 is fixedly connected to the connecting rod 402.

[0024] Please refer to Figure 1 and Figure 2 , a clamping groove 404 is installed at the end of the double-arc reinforcing rib 304, and the outer wall of the pipe wall 1 is fixedly connected to the first reinforcing rib 305.

[0025] Working principle:

[0026] Assembly stage

[0027] First, weld the first welding block 301 to the spiral weld 2 on the pipe wall 1, and weld the first reinforcing rib 305 and the second reinforcing rib 7 to the pipe wall 1 according to the positions on the first arc cavity 5 and the second arc cavity 6 inside the double-arc reinforcing rib 304, so that each inside the double-arc reinforcing rib 304 is welded to the second welding block 303 on the connecting column 302.

[0028] Connection stage

[0029] Manually press the double-arc reinforcing rib 304 to deflect the connecting rod 402 on the round block 401 until the convex block 403 at the end of the connecting rod 402 slides into the clamping groove 404, and after the spring 9 on the connecting rod 402 is squeezed and contracted, the two ends of the double-arc reinforcing rib 304 are fixed and spliced.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-arc reinforced spiral welded pipe, comprising a pipe wall (1) and a spiral weld (2), wherein the spiral weld (2) is installed on the outer wall of the pipe wall (1), and is characterized in that: The outer wall of the spiral weld (2) is provided with a reinforcement mechanism (3). The reinforcement mechanism (3) includes a first welding block (301). The outer wall of the first welding block (301) is fixedly connected to the spiral weld (2). The outer wall of the first welding block (301) is fixedly connected to a connecting column (302). The end of the connecting column (302) is fixedly connected to a second welding block (303). The outer wall of the second welding block (303) is fixedly connected to a double-arc reinforcing rib (304). The inner wall of the double-arc reinforcing rib (304) is fixedly connected to a first reinforcing rib (305).

2. The multi-arc reinforcing rib spiral welded pipe according to claim 1, wherein: A connecting mechanism (4) is provided at the end of the double-arc reinforcing rib (304). The connecting mechanism (4) includes a round block (401). The end of the round block (401) is fixedly connected to the double-arc reinforcing rib (304). The outer wall of the round block (401) is rotatably connected to a connecting rod (402). The outer wall of the connecting rod (402) is fixedly connected to a convex block (403). The outer wall of the convex block (403) is pressed tightly against a card slot (404).

3. A multi-arc reinforcing rib spiral welded pipe according to claim 1, characterized in that: A first arc-shaped inner cavity (5) and a second arc-shaped inner cavity (6) are installed on the inner wall of the double-arc reinforcing rib (304). A second reinforcing rib (7) is installed on the inner wall of the second arc-shaped inner cavity (6). The outer wall of the second reinforcing rib (7) is fixedly connected to the pipe wall (1).

4. A multi-arc reinforcing rib spiral welded pipe according to claim 1, characterized in that: The inner wall of the double-arc reinforcing rib (304) is fixedly connected to a connecting seat (8). The outer wall of the connecting seat (8) is fixedly connected to a spring (9). The end of the spring (9) is fixedly connected to the connecting rod (402).

5. A multi-arc stiffener spiral welded pipe according to claim 1, characterized in that: A card slot (404) is installed at the end of the double-arc reinforcing rib (304).

6. The multi-arc ribbed spiral welded pipe according to claim 1, characterized in that: The outer wall of the pipe wall (1) is fixedly connected to the first reinforcing rib (305).

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