Novel prestressed reinforced concrete pipe

By setting multiple protective layers inside the prestressed concrete pipe and an external structure, the problem of damage to concrete pipes when used underground is solved, resulting in a longer service life and wider application.

CN223953628UActive Publication Date: 2026-02-27ANHUI XINLIN PIPE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520590788.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-27
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing prestressed high-strength concrete pipes are prone to damage when used underground for extended periods, resulting in a shortened service life and the need for frequent replacement.

Method used

The inner wall of the prestressed concrete pipe is equipped with a leak-proof layer, a waterproof layer, a heat insulation layer, a reinforcing layer, an anti-corrosion layer, and a buffer layer, and is also equipped with a wear-resistant layer. The outer connecting cylinder and side cover are fixed with fastening bolts to enhance the protective effect.

Benefits of technology

It improves the wear resistance, cushioning and corrosion resistance of concrete pipes, extends their service life, and enhances their stability and application range.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223953628U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of reinforced concrete pipes, in particular to a novel prestressed reinforced concrete pipe which comprises a prestressed concrete pipe body, a leakage-proof layer is fixedly connected to the inner wall of the prestressed concrete pipe body, a waterproof layer is fixedly connected into the leakage-proof layer, and a heat preservation layer is fixedly connected to the inner wall of the waterproof layer. The inner wall of the heat preservation layer is fixedly connected with a reinforcing layer, the inner wall of the reinforcing layer is fixedly connected with an anti-corrosion layer, the inner wall of the anti-corrosion layer is fixedly connected with a buffering layer, the inner wall of the buffering layer is fixedly connected with a wear-resisting layer, the outer portion of the prestressed concrete pipe is fixedly connected with a cylinder, a side groove is formed in the cylinder, and a disc is slidably connected into the side groove. According to the prestressed concrete pipe, various properties such as wear resistance, buffering and corrosion resistance of the prestressed concrete pipe can be improved, the phenomenon that the prestressed concrete pipe is damaged due to long-time underground is avoided, the protection effect on the prestressed concrete pipe is improved, the service life of the prestressed concrete pipe is prolonged, and the practicability of the prestressed concrete pipe is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a reinforced concrete pipe technical field, concretely to a novel prestressed reinforced concrete pipe. BACKGROUND

[0002] Prestressed high-strength concrete pipe pile (PHC pile) is a kind of hollow cylindrical concrete prefabricated components using pre-tensioning prestressed centrifugal forming process and after high temperature and high pressure steam curing.

[0003] The novel prestressed high-strength concrete pipe pile with publication number CN214940089U determines the length of pipe pile and the distance from the top elevation of pile to the elevation of base according to the geological exploration report and pile testing condition, and then selects a solid reinforced prefabricated pile with length slightly larger than the distance between the top elevation of pile and the elevation of base.

[0004] There are still some deficiencies in use, the concrete pipe cannot be protected when in use due to long time in underground, which will cause damage to the inside of the concrete pipe, thereby reducing the service life of the concrete pipe, limiting the practicality of the concrete pipe, and the concrete pipe needs to be replaced frequently, therefore we propose a novel prestressed reinforced concrete pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel prestressed reinforced concrete pipe to solve the problem of concrete pipe in the background art that the concrete pipe cannot be protected when in use due to long time in underground, which will cause damage to the inside of the concrete pipe, thereby reducing the service life of the concrete pipe, limiting the practicality of the concrete pipe, and the concrete pipe needs to be replaced frequently.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A novel prestressed reinforced concrete pipe, comprising a prestressed concrete pipe, the inner wall of the prestressed concrete pipe is fixedly connected with a leakage-proof layer, the inner side of the leakage-proof layer is fixedly connected with a waterproof layer, the inner wall of the waterproof layer is fixedly connected with a thermal insulation layer, the inner wall of the thermal insulation layer is fixedly connected with a reinforcing layer, the inner wall of the reinforcing layer is fixedly connected with an anticorrosive layer, the inner wall of the anticorrosive layer is fixedly connected with a buffer layer, the inner wall of the buffer layer is fixedly connected with a wear-resistant layer, the outer side of the prestressed concrete pipe is fixedly connected with a cylinder, a side groove is formed in the cylinder, and a disc is slidably connected in the side groove.

[0008] As a preferred scheme of the utility model, the outer side of the cylinder is threadedly connected with a fastening bolt, the side end of the fastening bolt abuts against the outer surface of the disc, and the side surface of the disc is fixedly connected with a side cover.

[0009] As a preferred embodiment of this utility model, the side cover abuts against the side end of the prestressed concrete pipe, and a through hole is provided inside the side cover. The through hole is opposite to the position of the wear-resistant layer, and the inner wall of the wear-resistant layer abuts against a precast steel pile.

[0010] As a preferred embodiment of this utility model, multiple disks are provided, and the multiple disks are evenly distributed at the outside of the side cover, and the multiple disks are all the same size.

[0011] As a preferred embodiment of this utility model, the wear-resistant layer, buffer layer, anti-corrosion layer, reinforcing layer, heat insulation layer, waterproof layer, and leak-proof layer are all circular in shape, and the thickness of the wear-resistant layer, buffer layer, anti-corrosion layer, reinforcing layer, heat insulation layer, waterproof layer, and leak-proof layer is 2mm.

[0012] As a preferred embodiment of this utility model, the buffer layer is made of rubber, the reinforcing layer is made of steel bars, and the insulation layer is made of foam.

[0013] As a preferred embodiment of this utility model, the side cover is circular in shape and made of stainless steel.

[0014] As a preferred embodiment of this utility model, multiple cylinders are provided, and each of the multiple cylinders is positioned opposite to the disk.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. In this utility model, by combining a wear-resistant layer, a buffer layer, an anti-corrosion layer, a reinforcing layer, a heat insulation layer, a waterproof layer, and a leak-proof layer, the wear resistance, buffering, and corrosion resistance of the prestressed concrete pipe can be improved. This avoids damage to the prestressed concrete pipe due to prolonged underground exposure, enhances the protection of the prestressed concrete pipe, extends its service life, and makes the prestressed concrete pipe more practical.

[0017] 2. In this utility model, by using the side cover, cylinder, disc, and fastening bolts in combination, the disc can be fixed by the fastening bolts, so that the prestressed concrete pipe and the side cover are abutted together, which improves the stability of the multiple protective layers inside the prestressed concrete pipe. Moreover, the position of the side cover can be adjusted according to the actual length of the prestressed concrete pipe, so that the application range of the prestressed concrete pipe is more extensive. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the prestressed concrete pipe and side cover of this utility model;

[0020] Figure 3 It is the structural schematic view of prestressed concrete pipe and cylinder of the utility model;

[0021] Figure 4 It is the structural schematic view of inside of prestressed concrete pipe of the utility model.

[0022] In the drawing: 1, prestressed concrete pipe; 2, side cover; 3, cylinder; 4, fastening bolt; 5, steel reinforced precast pile; 6, disc; 7, through hole; 8, wear-resistant layer; 9, buffer layer; 10, anticorrosive layer; 11, reinforcing layer; 12, thermal insulation layer; 13, waterproof layer; 14, leakproof layer; 15, side groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Embodiment, please see Figures 1-4 The utility model provides a technical scheme:

[0025] A novel prestressed reinforced concrete pipe, including prestressed concrete pipe 1, the inner wall of prestressed concrete pipe 1 is fixedly connected with leakproof layer 14, the inner fixed connection of leakproof layer 14 has waterproof layer 13, the inner wall of waterproof layer 13 is fixedly connected with thermal insulation layer 12, the inner wall of thermal insulation layer 12 is fixedly connected with reinforcing layer 11, the inner wall of reinforcing layer 11 is fixedly connected with anticorrosive layer 10, the inner wall of anticorrosive layer 10 is fixedly connected with buffer layer 9, the inner wall of buffer layer 9 is fixedly connected with wear-resistant layer 8, the outside of prestressed concrete pipe 1 is fixedly connected with cylinder 3, the side groove 15 is set up in cylinder 3, and disc 6 is slidably connected in side groove 15.

[0026] As shown in the embodiment Figure 1 And Figure 2 The outer part of cylinder 3 is threadedly connected with fastening bolt 4, the side end of fastening bolt 4 abuts against the outer surface of disc 6, the side of disc 6 is fixedly connected with side cover 2, side cover 2 abuts against the side end of prestressed concrete pipe 1, through hole 7 is set up in side cover 2, through hole 7 is opposite to wear-resistant layer 8, the inner wall of wear-resistant layer 8 abuts against steel reinforced precast pile 5, disc 6 is provided with multiple, multiple disc 6 is equiangularly distributed in the outside of side cover 2, and the size of multiple disc 6 is same.

[0027] The prestressed concrete pipe 1 can improve wear resistance, buffering, corrosion resistance and other properties, avoid damage of the prestressed concrete pipe 1 in a long time underground, improve the protection effect of the prestressed concrete pipe 1, prolong the service life of the prestressed concrete pipe 1, and make the prestressed concrete pipe 1 more practical.

[0028] In this embodiment, as shown in Figure 3 and Figure 4 The wear-resistant layer 8, the buffer layer 9, the corrosion-resistant layer 10, the reinforcing layer 11, the heat-insulating layer 12, the waterproof layer 13 and the leakage-proof layer 14 are all circular in shape, and the thicknesses of the wear-resistant layer 8, the buffer layer 9, the corrosion-resistant layer 10, the reinforcing layer 11, the heat-insulating layer 12, the waterproof layer 13 and the leakage-proof layer 14 are all 2 mm; the material of the buffer layer 9 is rubber, the material of the reinforcing layer 11 is steel bar, and the material of the heat-insulating layer 12 is foam; the side cover 2 is circular in shape and is made of stainless steel; the plurality of cylinders 3 are arranged, and the plurality of cylinders 3 are all opposite to the disc 6.

[0029] The plurality of cylinders 3 are arranged, and the plurality of cylinders 3 are all opposite to the disc 6.

[0030] The working process of the prestressed reinforced concrete pipe is as follows: in the working process of the prestressed reinforced concrete pipe, the leakage-proof layer 14, the waterproof layer 13, the heat-insulating layer 12, the reinforcing layer 11, the corrosion-resistant layer 10, the buffer layer 9 and the wear-resistant layer 8 are sequentially fixed to the inner wall of the prestressed concrete pipe 1, then the disc 6 is moved in the cylinder 3, the side cover 2 is abutted against the end of the prestressed concrete pipe 1, then the fastening bolt 4 is rotated to abut and fix the disc 6, thereby the stability of the plurality of protective layers in the prestressed concrete pipe 1 can be improved, the steel reinforced pile 5 is inserted and fixed to the side of the wear-resistant layer 8, the protection performance of the prestressed concrete pipe 1 in use can be improved, the prestressed concrete pipe 1 can be prevented from being damaged, and the service life of the prestressed concrete pipe 1 can be prolonged.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of prestressed reinforced concrete pipe comprising a prestressed concrete pipe (1), characterized in that: The inner wall of the prestressed concrete pipe (1) is fixedly connected with a leakage-proof layer (14), the inner wall of the leakage-proof layer (14) is fixedly connected with a waterproof layer (13), the inner wall of the waterproof layer (13) is fixedly connected with a thermal insulation layer (12), the inner wall of the thermal insulation layer (12) is fixedly connected with a reinforcing layer (11), the inner wall of the reinforcing layer (11) is fixedly connected with a corrosion-proof layer (10), the inner wall of the corrosion-proof layer (10) is fixedly connected with a buffer layer (9), the inner wall of the buffer layer (9) is fixedly connected with a wear-resistant layer (8), and the outer wall of the prestressed concrete pipe (1) is fixedly connected with a cylinder (3), the cylinder (3) is provided with a side groove (15), and the side groove (15) is slidably connected with a disc (6).

2. A new type of prestressed reinforced concrete pipe according to claim 1, characterized by: The outer wall of the cylinder (3) is threadedly connected with a fastening bolt (4), the side end of the fastening bolt (4) abuts against the outer surface of the disc (6), and the side surface of the disc (6) is fixedly connected with a side cover (2).

3. A new type of prestressed reinforced concrete pipe according to claim 2, characterized in that: The side cover (2) abuts against the side end of the prestressed concrete pipe (1), the side cover (2) is provided with a through hole (7), the through hole (7) is located opposite to the wear-resistant layer (8), and the inner wall of the wear-resistant layer (8) abuts against a reinforced precast pile (5).

4. A new type of prestressed reinforced concrete pipe according to claim 1, characterized by: The disc (6) is provided with a plurality of discs (6), the plurality of discs (6) are equiangularly distributed on the outer wall of the side cover (2), and the plurality of discs (6) are of the same size.

5. A new type of prestressed reinforced concrete pipe according to claim 1, characterized by: The wear-resistant layer (8), the buffer layer (9), the corrosion-proof layer (10), the reinforcing layer (11), the thermal insulation layer (12), the waterproof layer (13) and the leakage-proof layer (14) are all circular in shape, and all have a thickness of 2mm.

6. A new type of prestressed reinforced concrete pipe according to claim 1, characterized by: The buffer layer (9) is made of rubber, the reinforcing layer (11) is made of steel, and the thermal insulation layer (12) is made of foam.

7. A new type of prestressed reinforced concrete pipe according to claim 2, characterized by: The side cover (2) is circular in shape and made of stainless steel.

8. A new type of prestressed reinforced concrete pipe according to claim 1, characterized by: The cylinder (3) is provided with a plurality of cylinders (3), and the plurality of cylinders (3) are located opposite to the disc (6).