Bridge prestressed anchoring steel bar protection structure

By adopting a multi-layer waterproof structure on the prestressed anchored steel bars, including an isolation sleeve assembly and a rain-sparking layer, the problem of anchored steel bars rusting due to rainwater erosion is solved, and the effective rainproof treatment of anchored steel bars is achieved, and the stability of its quality and fastening is improved.

CN222666594UActive Publication Date: 2025-03-25SHENYANG CHENXU MASCH MFG CO LTD
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Patent Information

Application Number
CN202421736047.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-03-25
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

Bridge prestressed anchored steel bars are prone to rust after being eroded by rainwater, affecting their quality and tightness.

Method used

A multi-layer waterproof structure including an isolation sleeve assembly and a rain-sparking layer is adopted. The asphalt waterproof layer, polyurethane waterproof coating, polymer waterproof film, porous medium layer, natural rubber layer and silicate material layer are used for rainproof treatment, and combined with rain-proof bend plates, rainproof erosion of anchored steel bars is achieved.

Benefits of technology

Effectively prevent anchoring steel bars from rusting due to rainwater erosion, improving their quality and overall tightening stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bridge prestress anchoring steel bar protection structure which comprises a steel bar body, the front side of the surface of the steel bar body is sleeved with a limiting ring assembly, the surface of the steel bar body is sleeved with an isolation sleeve assembly, the surface of the isolation sleeve assembly is fixedly connected with a reinforcing plate, and the surface of the reinforcing plate is sleeved with a rain drainage layer. A rain drainage groove is formed in the surface of the rain drainage layer, a rain blocking bent plate is fixedly connected to the front face of the isolation sleeve assembly, an asphalt waterproof layer is arranged in the isolation sleeve assembly, and the asphalt waterproof layer is used in cooperation with the isolation sleeve assembly. According to the anchoring steel bar protection structure, the phenomenon that a traditional anchoring steel bar is prone to rusting after being eroded by rainwater is changed, rainproof treatment is conducted through the isolation sleeve assembly and the rain drainage layer, the anchoring steel bar cannot rust when encountering rainwater, the quality of the anchoring steel bar cannot be affected, and the overall fastening performance cannot be affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge prestressing, in particular to a bridge prestressing anchor steel bar protection structure. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: Bridge prestressed anchor steel bar protection mechanism, and the patent number is: 202321997767.7. The utility model relates to the technical field of bridge steel bar protection, and in particular to a bridge prestressed anchor steel bar protection mechanism; its technical solution includes: a protective cover body, a first annular connecting plate is installed on the outer wall of one end of the protective cover body, the first annular connecting plate is fixedly connected to the second annular connecting plate by fastening bolts, the second annular connecting plate is arranged at one end of the protective telescopic tube, and the other end of the protective telescopic tube is installed with a third annular connecting plate, and the third annular connecting plate is fixedly connected to the second annular connecting plate by fastening bolts. The plate is fixedly connected to the fourth annular connecting plate by fastening bolts, and the fourth annular connecting plate is installed on the outer wall of one end of the protective sleeve, and the fifth annular connecting plate is installed on the outer wall of the other end of the protective sleeve; the utility model can not only effectively protect the exposed prestressed anchor steel bars to prevent the steel bars from rusting, but also can protect prestressed anchor steel bars with different exposed lengths, thereby enhancing versatility; and the protective structure of the anchor steel bars mentioned above does not have the function of preventing rainwater erosion. The anchor steel bars are prone to rust after encountering rainwater erosion, which affects the quality of the anchor steel bars and the overall tightness.

[0003] Therefore, it is necessary to design and transform the anchor steel bar protection structure to effectively prevent it from being corroded and rusted by rainwater. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a bridge prestressed anchor steel bar protection structure, which has the advantage of being able to prevent rain erosion and solves the problem of rust caused by rain erosion.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge prestressed anchor steel bar protection structure, comprising a steel bar body, a limiting ring assembly is sleeved on the front side of the surface of the steel bar body, an insulating sleeve assembly is sleeved on the surface of the steel bar body, a reinforcing plate is fixedly connected to the surface of the insulating sleeve assembly, a rain-repelling layer is sleeved on the surface of the reinforcing plate, rain-repelling grooves are opened on the surface of the rain-repelling layer, a rain-proof curved plate is fixedly connected to the front of the insulating sleeve assembly, the insulating sleeve assembly and the rain-repelling layer are used to perform a rainproof treatment through the asphalt waterproof layer, polyurethane waterproof coating and polymer waterproof membrane inside the insulating sleeve assembly, and then the porous medium layer, natural rubber layer and silicate material layer inside the rain-repelling layer are used to perform a rainproof treatment again, and then cooperate with the rain-proof curved plate to achieve the effect of preventing rain erosion.

[0006] As a preferred embodiment of the utility model, an asphalt waterproof layer is provided inside the isolation sleeve assembly, and the asphalt waterproof layer is used in conjunction with the isolation sleeve assembly.

[0007] As a preferred embodiment of the utility model, a polyurethane waterproof coating is fixedly connected to the inner side of the asphalt waterproof layer, and the polyurethane waterproof coating is used in conjunction with the asphalt waterproof layer.

[0008] As a preferred embodiment of the utility model, a polymer waterproof membrane is fixedly connected to the inner side of the polyurethane waterproof coating, and the polymer waterproof membrane is used in conjunction with the polyurethane waterproof coating.

[0009] As a preferred embodiment of the utility model, a porous medium layer is fixedly connected to the interior of the rain repellent layer, and the porous medium layer is used in conjunction with the rain repellent layer.

[0010] As a preferred embodiment of the utility model, a natural rubber layer is fixedly connected to the inner side of the porous medium layer, and a silicate material layer is fixedly connected to the inner side of the natural rubber layer.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model uses a variety of hydrophobic materials to protect the anchor steel bar protection structure. The asphalt waterproof layer, polyurethane waterproof coating and polymer waterproof membrane inside the isolation sleeve assembly are used for rainproof treatment. The porous medium layer, natural rubber layer and silicate material layer inside the rain-repellent layer are used for rainproof treatment again. In combination with the rain-proof curved plate, the effect of preventing rain erosion is achieved. The traditional phenomenon of easy rust after being eroded by rain is changed. The isolation sleeve assembly and the rain-repellent layer are used for rainproof treatment. The anchor steel bar will not rust when encountering rain, and the quality of the anchor steel bar will not be affected, nor will the overall tightness be affected.

[0013] 2. The utility model can resist water penetration by setting up an asphalt waterproof layer, and can also prevent the erosion of harmful substances such as oxygen, ultraviolet rays and chemicals on the building, and has good waterproof and anti-corrosion effects.

[0014] 3. The utility model can have excellent water resistance, weather resistance, corrosion resistance and other properties through the setting of polyurethane waterproof coating. After being coated on the surface of steel bars, it can form a thin film to effectively prevent rainwater penetration. In addition, after drying, it will form a special elastomer that can adapt to the expansion and contraction changes of the building surface, so it has good ductility.

[0015] 4. The utility model can be directly installed on the roof, wall and floor of a building through the provision of a polymer waterproof membrane. This waterproof material has strong anti-permeability and durability, and can effectively prevent rainwater, groundwater or other liquids from penetrating into the interior of the building.

[0016] 5. The utility model can have a large number of tiny pores and surface protrusions through the provision of a porous medium layer, which can effectively prevent moisture from adhering.

[0017] 6. The utility model can achieve a better hydrophobic effect with the porous medium layer by setting the natural rubber layer and the silicate material layer, and has extremely strong hydrophobicity due to its special molecular structure and chemical properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the steel bar body and the limiting ring assembly of the utility model;

[0020] Figure 3 It is a cross-sectional view of the isolation sleeve assembly of the utility model;

[0021] Figure 4 It is a cross-sectional view of the rain-repelling layer of the utility model.

[0022] In the figure: 1. steel bar body; 2. restriction ring assembly; 3. isolation sleeve assembly; 4. reinforcement plate; 5. rain-repellent layer; 6. rain-repellent groove; 7. rain-proof curved plate; 8. asphalt waterproof layer; 9. polyurethane waterproof coating; 10. polymer waterproof membrane; 11. porous medium layer; 12. natural rubber layer; 13. silicate material layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 4As shown, the utility model provides a bridge prestressed anchor steel bar protection structure, including a steel bar body 1, a limiting ring assembly 2 is sleeved on the front side of the surface of the steel bar body 1, an insulating sleeve assembly 3 is sleeved on the surface of the steel bar body 1, a reinforcing plate 4 is fixedly connected to the surface of the insulating sleeve assembly 3, a rain-repelling layer 5 is sleeved on the surface of the reinforcing plate 4, a rain-repelling groove 6 is opened on the surface of the rain-repelling layer 5, and a rain-proof curved plate 7 is fixedly connected to the front of the insulating sleeve assembly 3. The insulating sleeve assembly 3 and the rain-repelling layer 5 are used to perform a rainproof treatment through the asphalt waterproof layer 8, the polyurethane waterproof coating 9 and the polymer waterproof membrane 10 inside the insulating sleeve assembly 3, and then the porous medium layer 11, the natural rubber layer 12 and the silicate material layer 13 inside the rain-repelling layer 5 are used to perform a rainproof treatment again, and then cooperate with the rain-proof curved plate 7 to achieve the effect of preventing rain erosion.

[0025] refer to Figure 3 An asphalt waterproof layer 8 is provided inside the isolation sleeve assembly 3 , and the asphalt waterproof layer 8 is used in conjunction with the isolation sleeve assembly 3 .

[0026] As a technical optimization solution of the utility model, the asphalt waterproof layer 8 can resist water penetration and prevent harmful substances such as oxygen, ultraviolet rays and chemicals from corroding the building, and has good waterproof and anti-corrosion effects.

[0027] refer to Figure 3 The inner side of the asphalt waterproof layer 8 is fixedly connected with a polyurethane waterproof coating 9, and the polyurethane waterproof coating 9 is used in conjunction with the asphalt waterproof layer 8.

[0028] As a technical optimization scheme of the utility model, the setting of the polyurethane waterproof coating 9 can make it have excellent water resistance, weather resistance, corrosion resistance and other properties. After being coated on the surface of the steel bar, it can form a thin film to effectively prevent rainwater penetration. In addition, after drying, it will form a special elastomer that can adapt to the expansion and contraction changes of the building surface, so it has good ductility.

[0029] refer to Figure 3 A polymer waterproof membrane 10 is fixedly connected to the inner side of the polyurethane waterproof coating 9 , and the polymer waterproof membrane 10 is used in conjunction with the polyurethane waterproof coating 9 .

[0030] As a technical optimization solution of the utility model, through the setting of the polymer waterproof membrane 10, it can be directly installed on the roof, wall and floor of the building. This waterproof material has strong anti-permeability and durability, and can effectively prevent rainwater, groundwater or other liquids from penetrating into the interior of the building.

[0031] refer to Figure 4 The interior of the rain-repellent layer 5 is fixedly connected with a porous medium layer 11 , and the porous medium layer 11 is used in conjunction with the rain-repellent layer 5 .

[0032] As a technical optimization solution of the utility model, by setting the porous medium layer 11, a large number of tiny pores and surface protrusions can be provided, which can effectively prevent moisture from adhering.

[0033] refer to Figure 4 A natural rubber layer 12 is fixedly connected to the inner side of the porous medium layer 11 , and a silicate material layer 13 is fixedly connected to the inner side of the natural rubber layer 12 .

[0034] As a technical optimization solution of the utility model, the natural rubber layer 12 and the silicate material layer 13 can cooperate with the porous medium layer 11 to achieve a better hydrophobic effect, and due to its special molecular structure and chemical properties, it has extremely strong hydrophobicity.

[0035] The working principle and use process of the utility model are as follows: first, a rainproof treatment is performed through the asphalt waterproof layer 8, the polyurethane waterproof coating 9 and the polymer waterproof membrane 10 inside the isolation sleeve component 3, and then a rainproof treatment is performed again through the porous medium layer 11, the natural rubber layer 12 and the silicate material layer 13 inside the rain-repellent layer 5, and then in combination with the rain-proof curved plate 7, the effect of preventing rain erosion is achieved.

[0036] To sum up: the prestressed anchor steel protection structure of the bridge utilizes a variety of hydrophobic materials through the anchor steel protection structure, and then performs a rainproof treatment through the asphalt waterproof layer 8, polyurethane waterproof coating 9 and polymer waterproof membrane 10 inside the isolation sleeve assembly 3, and then performs a rainproof treatment again through the porous medium layer 11, natural rubber layer 12 and silicate material layer 13 inside the rain-repellent layer 5, and then cooperates with the rain-proof curved plate 7 to achieve the effect of preventing rain erosion, changing the traditional phenomenon of easy rust after being eroded by rainwater. The isolation sleeve assembly 3 and the rain-repellent layer 5 are used for rainproof treatment, and the anchor steel bars will not rust when encountering rainwater, and will not cause the quality of the anchor steel bars to be affected, nor will it affect the overall tightness.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge prestressed anchor steel bar protection structure, comprising a steel bar body (1), characterized in that: A limiting ring assembly (2) is sleeved on the front side of the surface of the steel bar body (1), an insulating sleeve assembly (3) is sleeved on the surface of the steel bar body (1), a reinforcing plate (4) is fixedly connected to the surface of the insulating sleeve assembly (3), a rain-repelling layer (5) is sleeved on the surface of the reinforcing plate (4), a rain-repelling groove (6) is provided on the surface of the rain-repelling layer (5), and a rain-shielding curved plate (7) is fixedly connected to the front side of the insulating sleeve assembly (3).

2. A bridge prestressed anchor steel bar protection structure according to claim 1, characterized in that: An asphalt waterproof layer (8) is provided inside the isolation sleeve assembly (3), and the asphalt waterproof layer (8) is used in conjunction with the isolation sleeve assembly (3).

3. A bridge prestressed anchor steel bar protection structure according to claim 2, characterized in that: A polyurethane waterproof coating (9) is fixedly connected to the inner side of the asphalt waterproof layer (8), and the polyurethane waterproof coating (9) is used in conjunction with the asphalt waterproof layer (8).

4. A bridge prestressed anchor steel bar protection structure according to claim 3, characterized in that: A polymer waterproof membrane (10) is fixedly connected to the inner side of the polyurethane waterproof coating (9), and the polymer waterproof membrane (10) is used in conjunction with the polyurethane waterproof coating (9).

5. The protective structure for prestressed anchor steel bars of a bridge according to claim 1, characterized in that: The interior of the rain repellent layer (5) is fixedly connected to a porous medium layer (11), and the porous medium layer (11) is used in conjunction with the rain repellent layer (5).

6. A bridge prestressed anchor steel bar protection structure according to claim 5, characterized in that: A natural rubber layer (12) is fixedly connected to the inner side of the porous medium layer (11), and a silicate material layer (13) is fixedly connected to the inner side of the natural rubber layer (12).

Citation Information

Patent Citations

  • Bridge prestressed anchoring steel bar protection mechanism

    CN220789434U