CN218577145U - Anticorrosive spiral steel pipe of heavy-calibre - Google Patents

Anticorrosive spiral steel pipe of heavy-calibre Download PDF

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Publication number
CN218577145U
CN218577145U CN202222227270.9U CN202222227270U CN218577145U CN 218577145 U CN218577145 U CN 218577145U CN 202222227270 U CN202222227270 U CN 202222227270U CN 218577145 U CN218577145 U CN 218577145U
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China
Prior art keywords
steel pipe
spiral steel
spiral
strengthening rib
calibre
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CN202222227270.9U
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Chinese (zh)
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刘涛
刘云江
刘振
刘旺
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Tianjin Qianfeng Corrosion Insulation Engineering Co ltd
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Tianjin Qianfeng Corrosion Insulation Engineering Co ltd
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Abstract

The utility model discloses an anticorrosive spiral steel pipe of heavy-calibre, include second spiral steel pipe and set up the first spiral steel pipe in the second spiral steel pipe, be provided with first strengthening rib and second strengthening rib between first spiral steel pipe and the second spiral steel pipe, first strengthening rib and second strengthening rib are located the spiral line at first spiral steel pipe and second spiral steel pipe respectively. The utility model provides an anticorrosive spiral steel pipe of heavy-calibre can improve and prevent the anticorrosive effect of first spiral steel pipe, utilize the spiral on the helix of first spiral steel pipe to set up first strengthening rib, the spiral is arranged the second strengthening rib on the second spiral steel pipe of the same reason, so that first spiral steel pipe is connected with second spiral steel pipe through first strengthening rib and second strengthening rib, and then protect the spiral portion of first spiral steel pipe, and first strengthening rib and second strengthening rib are the I-shaped, when bearing great pressure, with the consumption that reduces the material.

Description

Anticorrosive spiral steel pipe of heavy-calibre
Technical Field
The utility model relates to a spiral steel pipe technical field relates to an anticorrosive spiral steel pipe of heavy-calibre particularly.
Background
The large-caliber spiral steel pipe is one of steel pipes, belongs to a large-scale steel pipe, generally refers to a steel pipe with the diameter larger than 1 meter, is formed by bending a steel belt and then is manufactured by welding, generally has the delivery length of 12 meters, is mainly applied to the industries such as water works, petrochemical industry, chemical industry, power industry and the like, but when the large-caliber spiral steel pipe is used, a spiral welding line is weaker relative to other parts, and after the large-caliber spiral steel pipe is used for a long time or is impacted, the welding part can be damaged, so that the service life of the large-caliber spiral steel pipe is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anticorrosive spiral steel pipe of heavy-calibre can increase the protection to spiral steel pipe to improve spiral steel pipe's life.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an anticorrosive spiral steel pipe of heavy-calibre, includes second spiral steel pipe and sets up the first spiral steel pipe in the second spiral steel pipe, be provided with first strengthening rib and second strengthening rib between first spiral steel pipe and the second spiral steel pipe, first strengthening rib and second strengthening rib are located the spiral line at first spiral steel pipe and second spiral steel pipe respectively.
Preferably, the first rib and the second rib have the same shape and opposite spiral directions.
Preferably, first strengthening rib includes first laminating portion, a supporting beam, circular arc portion and second laminating portion, two second laminating portion is connected through a supporting beam and first laminating portion, two be provided with circular arc portion between the second laminating portion, circular arc portion is located the top of first spiral steel pipe helix.
Preferably, the second spiral steel pipe is a polypropylene corrosion-resistant steel pipe.
Preferably, the inner layer of the first spiral steel pipe is amine cured epoxy resin.
In the technical scheme, the utility model provides a pair of anticorrosive spiral steel pipe of heavy-calibre possesses following beneficial effect: can improve and prevent first spiral steel pipe anticorrosion effect, utilize the spiral on first spiral steel pipe's helix to set up first strengthening rib, the spiral arranges the second strengthening rib on the second spiral steel pipe of the same reason, so that first spiral steel pipe is connected with second spiral steel pipe through first strengthening rib and second strengthening rib, and then protects the spiral portion of first spiral steel pipe, and first strengthening rib and second strengthening rib are the i-shaped, when can bear great pressure, in order to reduce the consumption of material.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of an overall structure provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a reinforcing rib according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an overall explosion structure provided by an embodiment of the present invention.
Description of the reference numerals:
1. a first spiral steel pipe; 2. a first reinforcing rib; 3. a second spiral steel pipe; 4. a second reinforcing rib; 21. a first bonding part; 22. a support beam; 23. an arc portion; 24. a second bonding portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without inventive step, are within the scope of protection of the disclosure.
As shown in fig. 1 to 3, the large-caliber anticorrosive spiral steel pipe comprises a second spiral steel pipe 3 and a first spiral steel pipe 1 arranged in the second spiral steel pipe 3, wherein a first reinforcing rib 2 and a second reinforcing rib 4 are arranged between the first spiral steel pipe 1 and the second spiral steel pipe 3, and the first reinforcing rib 2 and the second reinforcing rib 4 are respectively positioned on spiral lines of the first spiral steel pipe 1 and the second spiral steel pipe 3.
Concretely, including second spiral steel pipe 3 and set up first spiral steel pipe 1 in second spiral steel pipe 3, be provided with first strengthening rib 2 and second strengthening rib 4 between first spiral steel pipe 1 and the second spiral steel pipe 3, first strengthening rib 2 and second strengthening rib 4 are located respectively on the spiral line of first spiral steel pipe 1 and second spiral steel pipe 3, utilize when the steel sheet welds into first spiral steel pipe 1, weld first strengthening rib 2 on the spiral line to first spiral steel pipe 1, simultaneously weld second strengthening rib 4 at the looks remote site of first strengthening rib 2, weld second spiral steel pipe 3 on second strengthening rib 4, and then protect the first spiral steel pipe 1 of conveyer pipe, in order to improve steel pipe life.
Among the above-mentioned technical scheme, can improve and prevent 1 anticorrosive effect of first spiral steel pipe, utilize spiral set up first strengthening rib 2 on the helix of first spiral steel pipe 1, arrange second strengthening rib 4 on the second spiral steel pipe 3 of the same reason spiral, so that first spiral steel pipe 1 is connected with second spiral steel pipe 3 through first strengthening rib 2 and second strengthening rib 4, and then protect the spiral part of first spiral steel pipe 1, and first strengthening rib 2 and second strengthening rib 4 are the I-shaped, when can bear great pressure, in order to reduce the consumption of material.
In a further embodiment of the present invention, the first reinforcing rib 2 and the second reinforcing rib 4 have the same shape and opposite spiral directions, and the pressure applied thereto is dispersed by utilizing the opposite spiral directions, thereby reducing damage to the first spiral steel pipe 1.
As a further embodiment provided in the present invention, the first reinforcing rib 2 includes a first attaching portion 21, a supporting beam 22, an arc portion 23 and a second attaching portion 24, two second attaching portions 24 are connected to the first attaching portion 21 through the supporting beam 22, the arc portion 23 is provided between the two second attaching portions 24, the arc portion 23 is located above the spiral line of the first spiral steel pipe 1, the first attaching portion 21 is an inner wall of the second spiral steel pipe 3 and is attached to the two sides of the spiral line of the first spiral steel pipe 1, the first attaching portion 21 and the second attaching portion 24 are connected through the supporting beam 22, so that the first reinforcing rib 2 is an i-shaped rib, and the spiral line surface of the first spiral steel pipe 1 is attached to the arc portion 23, the i-shaped reinforcing rib is a hollow-web type rod member, which saves material and time, and has a cross section design for resisting bending moment with the spiral line farthest from the centroid, when the second spiral steel pipe 3 is pressed or impacted, the pressure of the first reinforcing rib 2 and the second reinforcing rib 4 is dispersed to the two sides of the first spiral steel pipe 1, thereby improving the protection of the flange of the spiral steel pipe 1.
As a further embodiment that provides of this practicality, second spiral steel pipe 3 is the anticorrosive steel pipe of polypropylene, utilizes the anticorrosive steel pipe of polypropylene in order to improve the anticorrosive effect of steel pipe.
As a further embodiment provided by the present application, the inner layer of the first spiral steel pipe 1 is amine-cured epoxy resin, and the amine-cured epoxy resin is used to prevent corrosion in the pipe, reduce frictional resistance, and increase output, thereby coating the film on the inner wall of the pipe.
The working principle is as follows: first spiral steel plate is welded into first spiral steel pipe 1, first reinforcing rib 2 is welded on the spiral line of first spiral steel pipe 1, second reinforcing rib 4 is welded, second spiral steel pipe 3 is welded on the basis of first spiral steel pipe 1, so that the spiral line of second spiral steel pipe 3 is attached to second reinforcing rib 4, the service life of first spiral steel pipe 1 is prolonged, first reinforcing rib 2 and second reinforcing rib 4 are used as I-shaped parts, the spiral line part attached to first spiral steel pipe 1 is arc part 23, force is dispersed to the side of the spiral line when second spiral steel pipe 3 is pressed or impacted, and consumption of materials is reduced while large pressure can be borne through the I-shaped parts.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (5)

1. The utility model provides an anticorrosive spiral steel pipe of heavy-calibre, includes second spiral steel pipe (3) and sets up first spiral steel pipe (1) in second spiral steel pipe (3), its characterized in that, be provided with first strengthening rib (2) and second strengthening rib (4) between first spiral steel pipe (1) and second spiral steel pipe (3), first strengthening rib (2) and second strengthening rib (4) are located respectively on the spiral line of first spiral steel pipe (1) and second spiral steel pipe (3).
2. The heavy-calibre anticorrosive spiral steel pipe of claim 1, characterized in that, first strengthening rib (2) is the same shape and the spiral direction is opposite with second strengthening rib (4).
3. The large-caliber anticorrosion spiral steel pipe as claimed in claim 1, wherein the first reinforcing rib (2) comprises a first attaching portion (21), a supporting beam (22), an arc portion (23) and a second attaching portion (24), two of the second attaching portion (24) are connected with the first attaching portion (21) through the supporting beam (22), two of the arc portion (23) is arranged between the second attaching portions (24), and the arc portion (23) is located above a spiral line of the first spiral steel pipe (1).
4. The heavy-calibre anti-corrosion spiral steel pipe as claimed in claim 1, wherein the second spiral steel pipe (3) is a polypropylene anti-corrosion steel pipe.
5. The heavy-calibre anti-corrosion spiral steel pipe as claimed in claim 1, wherein the inner layer of the first spiral steel pipe (1) is amine cured epoxy resin.
CN202222227270.9U 2022-08-24 2022-08-24 Anticorrosive spiral steel pipe of heavy-calibre Active CN218577145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222227270.9U CN218577145U (en) 2022-08-24 2022-08-24 Anticorrosive spiral steel pipe of heavy-calibre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222227270.9U CN218577145U (en) 2022-08-24 2022-08-24 Anticorrosive spiral steel pipe of heavy-calibre

Publications (1)

Publication Number Publication Date
CN218577145U true CN218577145U (en) 2023-03-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222227270.9U Active CN218577145U (en) 2022-08-24 2022-08-24 Anticorrosive spiral steel pipe of heavy-calibre

Country Status (1)

Country Link
CN (1) CN218577145U (en)

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