CN219453145U - Anti-deformation spiral steel pipe - Google Patents

Abstract

The utility model provides an anti-deformation spiral steel pipe, and belongs to the technical field of spiral steel pipes. The deformation-preventing spiral steel pipe comprises a pipeline assembly and a connecting assembly. The pipeline assembly comprises a pipe fitting and a functional part, wherein the pipe fitting comprises an outer steel pipe and an inner steel pipe, the functional part is positioned between the outer steel pipe and the inner steel pipe, the functional part comprises a reinforcing pipe, a deformation preventing pipe and a reinforcing net rack, the reinforcing pipe is positioned on the inner wall of the outer steel pipe, and the deformation preventing pipe is positioned on the outer wall of the reinforcing net rack; the connecting assembly comprises a connecting piece, the connecting piece is welded on the outer steel pipe, a wear-resistant layer I is arranged outside the outer steel pipe, a wear-resistant layer II is arranged on the inner wall of the inner steel pipe, a heat-insulating layer is arranged on the inner wall of the reinforcing pipe, and a heat-insulating layer is arranged on the inner wall of the heat-insulating layer. The pipeline has good compression resistance and stability, is not easy to deform when impacted, and prolongs the service life of the spiral steel pipe.

Description

Anti-deformation spiral steel pipe

Technical Field

The utility model relates to the technical field of spiral steel pipes, in particular to an anti-deformation spiral steel pipe.

Background

The spiral steel pipe is a spiral seam steel pipe which is formed by taking a strip steel coiled plate as a raw material and performing constant-temperature extrusion molding and welding by an automatic double-wire double-sided submerged arc welding process. The spiral steel pipe sends belted steel into the welded pipe unit, rolls through multichannel roll, and belted steel rolls up gradually, is formed with the circular pipe blank in opening clearance, adjusts the reduction of squeeze roll, makes the clearance control of welding seam at 1 ~ 3mm to make the welded junction both ends flush, in order to prevent that the spiral pipeline from taking place to warp when using, consequently need increase the structure of preapring for an unfavorable turn of events in spiral steel pipe inside, and then improve the stability that the spiral pipeline used.

Chinese patent No. CN217583506U provides an inside and outside epoxy anticorrosion spiral composite steel pipe, and it can conveniently connect, even ordinary skilled worker also can carry out assembly work, and the pipeline firm in connection of assembling, and be difficult to weeping, and this composite steel pipe includes: the steel pipe body is an inner-outer epoxy anti-corrosion spiral composite steel pipe; the first connecting ring is fixedly welded at the first end part of the steel pipe body, and at least 4 first connecting holes are formed in the connecting ring; the first extension pipe is connected with the steel pipe body, is a stepped connecting pipe and is positioned on one side of the connecting ring; a stepped boss matched with the shape structure of the first extension pipe is arranged in the second end part of the steel pipe body; the second connecting ring is fixedly welded at the second end part of the steel pipe body, and second connecting holes matched with the first connecting holes in number, position and size are formed in the second connecting ring.

In the above patent, although the steel pipe is prevented from falling off and has a certain pressure bearing capacity, water leakage at the joint is further prevented, but the pressure resistance and stability of the pipeline are relatively poor, and deformation phenomenon is easy to occur when the pipeline is impacted.

Disclosure of Invention

In order to overcome the defects, the utility model provides a deformation-preventing spiral steel pipe, which aims to solve the problems that the deformation-preventing spiral steel pipe is relatively poor in pressure resistance and stability of a pipeline and is easy to deform when impacted.

The utility model is realized in the following way:

the utility model provides an anti-deformation spiral steel pipe which comprises a pipeline assembly and a connecting assembly.

The pipeline assembly comprises a pipe fitting and a functional part, wherein the pipe fitting comprises an outer steel pipe and an inner steel pipe, the functional part is positioned between the outer steel pipe and the inner steel pipe, the functional part comprises a reinforcing pipe, a deformation preventing pipe and a reinforcing net rack, the reinforcing pipe is positioned on the inner wall of the outer steel pipe, and the deformation preventing pipe is positioned on the outer wall of the reinforcing net rack; the connecting assembly comprises a connecting piece, and the connecting piece is welded on the outer steel pipe.

In one embodiment of the utility model, a first wear-resistant layer is arranged on the outer part of the outer steel pipe, and a second wear-resistant layer is arranged on the inner wall of the inner steel pipe.

In one embodiment of the utility model, the inner wall of the reinforced pipe is provided with a heat insulation layer, and the inner wall of the heat insulation layer is provided with a heat insulation layer.

In one embodiment of the utility model, a sound insulation layer is arranged between the heat insulation layer and the deformation-preventing pipe, and an insulating pipe is arranged between the reinforcing grid frame and the inner steel pipe.

In one embodiment of the present utility model, the connecting member includes a first flange and a second flange, which are welded to both ends of the outer steel pipe, respectively.

In one embodiment of the utility model, a first connecting hole is formed in one side of the first flange plate, and a second connecting hole is formed in one side of the second flange plate.

In one embodiment of the utility model, one side of the first flange plate and one side of the second flange plate are welded with inclined rib frames, and the side edges of the inclined rib frames are welded on the outer steel pipe.

The beneficial effects of the utility model are as follows: according to the deformation-preventing spiral steel pipe, when the deformation-preventing spiral steel pipe is used, the pressure resistance and stability of a pipeline can be improved through the reinforcing pipe, the deformation-preventing pipe and the reinforcing net rack, the deformation phenomenon is not easy to occur when the pipeline is impacted by the reinforcing net rack, the service life of the spiral steel pipe is prolonged, the temperature of flowing liquid in the pipeline can be guaranteed through the heat-insulating layer and the heat-insulating layer, the abrasion resistance of the spiral steel pipe can be improved, the use stability of the spiral steel pipe is improved, static electricity can be prevented from being generated by the insulating pipe, sound generated by flowing liquid in the pipeline can be isolated through the heat-insulating layer, and the spiral steel pipe is free from being interfered when the spiral steel pipe is used.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an anti-deformation spiral steel pipe provided by an embodiment of the utility model;

fig. 2 is a schematic diagram of an end structure of an anti-deformation spiral steel pipe according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of the internal structure of the deformation-preventing spiral steel pipe according to the embodiment of the utility model;

fig. 4 is a schematic structural view of an anti-deformation spiral steel pipe wear-resistant layer according to an embodiment of the utility model.

In the figure: 100-piping assembly; 110-pipe fitting; 111-outer steel pipes; 112-inner steel tube; 113-a first wear-resistant layer; 114-a second wear-resistant layer; 120-function piece; 121-reinforcing the tube; 122-an insulating layer; 123-insulating layer; 124-an acoustic barrier; 125-a deformation-preventing tube; 126-reinforcing the net rack; 127-insulating tube; 200-a connection assembly; 210-a connector; 211-a first flange plate; 212-connecting hole I; 213-a second flange plate; 214-connecting hole II; 220-diagonal rib shelf.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: an anti-deformation spiral steel pipe includes a pipe assembly 100 and a connection assembly 200.

Referring to fig. 1-4, the pipe assembly 100 includes a pipe 110 and a functional member 120, the pipe 110 includes an outer steel pipe 111 and an inner steel pipe 112, the functional member 120 is located between the outer steel pipe 111 and the inner steel pipe 112, the functional member 120 includes a reinforcing pipe 121, a deformation preventing pipe 125 and a reinforcing grid 126, the reinforcing pipe 121, the deformation preventing pipe 125 and the reinforcing grid 126 can improve the compression resistance and stability of the pipe, the reinforcing pipe 121 is located on the inner wall of the outer steel pipe 111, the deformation preventing pipe 125 is located on the outer wall of the reinforcing grid 126, the reinforcing grid 126 can prevent the pipe from being deformed when being impacted, and the service life of the spiral steel pipe is prolonged.

The outside of outer steel pipe 111 is provided with wearing layer one 113, wearing layer one 113 can improve the wearing degree that spiral steel pipe outer wall used, prevent to take place wearing and tearing phenomenon when transportation of spiral steel pipe and use, improve the life-span that spiral steel pipe used, the inner wall of interior steel pipe 112 is provided with wearing layer two 114, wearing layer two 114 can improve the wearing degree that spiral steel pipe inner wall used, increase the life-span that spiral steel pipe used, the inner wall of strengthening pipe 121 is provided with heat preservation 122, the inner wall of heat preservation 122 is provided with insulating layer 123, heat preservation 122 and insulating layer 123 can guarantee the temperature of the interior ventilation liquid of pipeline, be provided with puigging 124 between insulating layer 123 and the anti-deformation pipe 125, sound that the interior liquid circulation of pipeline made gives out gives sound, do not produce the interference to outside when making spiral steel pipe use, be provided with insulating pipe 127 between strengthening net frame 126 and the interior steel pipe 112, insulating pipe 127 can avoid spiral steel pipe to produce static.

Referring to fig. 1-3, the connection assembly 200 includes a connection member 210, the connection member 210 being welded to the outer steel pipe 111, the connection member 210 facilitating assembly and splicing between the spiral steel pipes.

The connecting piece 210 comprises a first flange 211 and a second flange 213, the first flange 211 and the second flange 213 are respectively welded at two ends of the outer steel pipe 111, a first connecting hole 212 is formed in one side of the first flange 211, a second connecting hole 214 is formed in one side of the second flange 213, flanges of two pipelines are assembled and spliced through bolts, adjacent spiral steel pipes are connected together, inclined rib frames 220 are welded on one sides of the first flange 211 and the second flange 213, side edges of the inclined rib frames 220 are welded on the outer steel pipe 111, and the inclined rib frames 220 can increase the stability of connection between the steel pipe and the flange and prevent deformation of connection positions of the steel pipe and the flange.

Specifically, the working principle of the deformation-preventing spiral steel pipe is as follows: when the spiral steel pipe connecting device is used, when two spiral steel pipes are connected, flanges of two pipelines are assembled and spliced through bolts, adjacent spiral steel pipes are connected together, the adopted heat insulation layer 122 and the heat insulation layer 123 can ensure the temperature of flowing liquid in the pipelines, the wear resistance layer can improve the wear resistance of the spiral steel pipes, the use stability of the spiral steel pipes is improved, the reinforcing pipes 121, the deformation-preventing pipes 125 and the reinforcing grid 126 can improve the compression resistance and the stability of the pipelines, the reinforcing grid 126 can enable the pipelines to be difficultly deformed when being impacted, the service life of the spiral steel pipes is prolonged, the insulating pipes 127 can prevent the spiral steel pipes from generating static electricity, the sound generated by the circulation of liquid in the pipelines can be isolated, the spiral steel pipes are not disturbed, the adopted inclined rib frames 220 can increase the connection stability between the steel pipes and the flanges, and the use and connection stability of the spiral steel pipes are improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The deformation-preventing spiral steel pipe is characterized by comprising

A pipeline assembly (100), the pipeline assembly (100) comprises a pipe fitting (110) and a functional part (120), the pipe fitting (110) comprises an outer steel pipe (111) and an inner steel pipe (112), the functional part (120) is positioned between the outer steel pipe (111) and the inner steel pipe (112), the functional part (120) comprises a reinforcing pipe (121), a deformation preventing pipe (125) and a reinforcing grid (126), the reinforcing pipe (121) is positioned on the inner wall of the outer steel pipe (111), and the deformation preventing pipe (125) is positioned on the outer wall of the reinforcing grid (126);

-a connection assembly (200), the connection assembly (200) comprising a connection piece (210), the connection piece (210) being welded to the outer steel tube (111).

2. A deformation-preventing helical steel pipe according to claim 1, characterized in that the outer part of the outer steel pipe (111) is provided with a first wear-resistant layer (113), and the inner wall of the inner steel pipe (112) is provided with a second wear-resistant layer (114).

3. A deformation-preventing helical steel pipe according to claim 1, characterized in that the inner wall of the reinforcing pipe (121) is provided with a heat-insulating layer (122), and the inner wall of the heat-insulating layer (122) is provided with a heat-insulating layer (123).

4. A deformation-preventing helical steel pipe according to claim 3, characterized in that a sound insulation layer (124) is provided between the heat insulation layer (123) and the deformation-preventing pipe (125), and an insulation pipe (127) is provided between the reinforcing grid (126) and the inner steel pipe (112).

5. A deformation-preventing helical steel pipe according to claim 1, wherein the connecting member (210) comprises a first flange (211) and a second flange (213), and the first flange (211) and the second flange (213) are welded to both ends of the outer steel pipe (111), respectively.

6. A deformation-preventing spiral steel pipe according to claim 5, wherein one side of the first flange plate (211) is provided with a first connecting hole (212), and one side of the second flange plate (213) is provided with a second connecting hole (214).

7. The deformation-preventing spiral steel pipe according to claim 6, wherein the first flange plate (211) and the second flange plate (213) are welded with inclined rib frames (220) on one sides, and the side edges of the inclined rib frames (220) are welded on the outer steel pipe (111).