Novel corrosion-resistant and bending-resistant high-strength steel bar

By installing steel bars and I-beams inside the steel rod, and applying anti-corrosion layer and protective plates on the outer surface, the problem of weakening the bending ability of the existing steel rod is solved, achieving higher bending strength and durability.

CN222771739UActive Publication Date: 2025-04-18SUZHOU WUZHONG STAINLESS STEEL CO LTD
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Patent Information

Application Number
CN202420763104.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-04-18
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

After long-term use, the existing ultra-strength steel rods have weakened their bending ability, resulting in losses in bridges or railways during use.

Method used

A new type of corrosion-resistant and bending-resistant high-strength steel rod is designed. By setting a plurality of first placement grooves inside the steel rod body and fixing the connection steel bars, the steel bars are connected by wire ropes, and I-beams are placed in the second placement groove. The outer surface is coated with an anti-corrosion layer, and the connection protective plate is fixed at both ends to improve bending resistance.

Benefits of technology

It effectively improves the bending strength of steel rods, prevents corrosion and loosening, maintains durability and enhances bending resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel corrosion-resistant bending-resistant high-strength steel bar, and relates to the technical field of steel bars, the novel corrosion-resistant bending-resistant high-strength steel bar comprises a steel bar body, the steel bar body is internally provided with a plurality of first placing grooves, the interiors of the first placing grooves are fixedly connected with reinforcing steel bars, and the reinforcing steel bars are arranged in the first placing grooves. The multiple steel bars are fixedly connected through connecting ropes, a second containing groove is formed in the steel bar body, an I-shaped beam is fixedly connected into the second containing groove, an anti-corrosion layer is arranged on the outer surface of the steel bar body, and protection plates are fixedly connected to the left end and the right end of the steel bar body correspondingly. The two protection plates are matched with the multiple first containing grooves and the multiple second containing grooves in size correspondingly, the durability of the steel bar body is kept, the anchoring effect is achieved, the bending resistance of the steel bar body is improved from the side face, and the bending resistance of the steel bar body is further improved through the steel bars.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel bars, in particular to a novel corrosion-resistant and bending-resistant high-strength steel bar. Background Art

[0002] Prestressed steel wire or steel rod has become an important material in bridge and railway construction due to its high strength. When using, the prestressed steel wire must ensure the grip with cement and other wrapping materials, so that the prestressed steel wire can fully play its role during use.

[0003] However, the existing ultra-strength steel bars are prone to weakening their bending resistance after long-term use, thereby causing damage to the bridge or railway during use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a new type of corrosion-resistant and bending-resistant high-strength steel rod, which solves the problem that the bending resistance of the existing ultra-strength steel rods is easily weakened after long-term use, thereby causing losses to bridges or railways during use.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a new type of corrosion-resistant and bending-resistant high-strength steel bar, including a steel bar body, a plurality of first placement grooves are opened inside the steel bar body, and the interiors of the plurality of first placement grooves are fixedly connected with steel bars, and the plurality of steel bars are fixedly connected by connecting ropes, a second placement groove is opened inside the steel bar body, and the interiors of the second placement grooves are fixedly connected with I-beams, an anti-corrosion layer is provided on the outer surface of the steel bar body, and protective plates are fixedly connected at both ends of the steel bar body, and the two protective plates are respectively matched with the sizes of the plurality of first placement grooves and the second placement grooves.

[0008] Preferably, two movable grooves are provided at the ends away from each other of the two protection plates.

[0009] Preferably, a fixing groove is provided at the right end of the protection plate located at the right end.

[0010] Preferably, a reinforcement layer is fixedly connected to the outer surface of the steel rod body.

[0011] Preferably, a plurality of wear-resistant strips are fixedly connected to the outer surface of the reinforcement layer.

[0012] Preferably, the outer surfaces of the two protection plates are fixedly connected with sealing rings, and the lower ends of the two sealing rings are in contact with the outer surface of the steel rod body.

[0013] Preferably, a thread groove is provided inside the fixing groove.

[0014] Beneficial Effects

[0015] The utility model provides a new type of corrosion-resistant and bending-resistant high-strength steel bar. It has the following beneficial effects:

[0016] The steel bars are fixedly connected inside the multiple first placement grooves, and the multiple steel bars are connected by steel wire ropes, and an I-beam is placed inside the second placement groove. The I-beam is in the shape of an I-beam, which can effectively improve the bending strength of the steel bar body. The protective plate prevents the steel bar body from being exposed to the air and is not easily corroded or loosened, thereby maintaining the durability of the steel bar body and playing an anchoring role. This also indirectly improves the bending resistance of the steel bar body, and the bending resistance of the steel bar body is further improved through the steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a left-side structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0021] In the figure: 1. Steel rod body; 2. First placement groove; 3. Steel bar; 4. Second placement groove; 5. I-beam; 6. Reinforcement layer; 7. Anti-corrosion layer; 8. Wear-resistant strip; 9. Protective plate; 10. Sealing ring; 11. Moving groove; 12. Fixed groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The utility model provides a technical solution: a new type of corrosion-resistant and bending-resistant high-strength steel bar, including a steel bar body 1, a plurality of first placement grooves 2 are opened inside the steel bar body 1, and the interiors of the plurality of first placement grooves 2 are fixedly connected with steel bars 3, and the plurality of steel bars 3 are fixedly connected by connecting ropes, a second placement groove 4 is opened inside the steel bar body 1, and the interiors of the second placement grooves 4 are fixedly connected with an I-beam 5, an anti-corrosion layer 7 is provided on the outer surface of the steel bar body 1, and protective plates 9 are fixedly connected at both ends of the steel bar body 1, and the two protective plates 9 are respectively matched with the sizes of the plurality of first placement grooves 2 and the second placement grooves 4.

[0024] During operation, the steel bars 3 are fixedly connected inside the multiple first placement grooves 2, and the multiple steel bars 3 are connected by steel wire ropes, and an I-beam 5 is placed inside the second placement groove 4. The I-beam 5 is in the shape of an I-beam, which can effectively improve the bending strength of the steel bar body 1. The two protective plates are fixedly connected to the steel bar body 1 by welding. The protective plate 9 prevents the steel bar body 1 from being exposed to the air and is not easy to corrode or loosen, thereby maintaining the durability of the steel bar body 1 and playing an anchoring role. This also indirectly improves the bending resistance of the steel bar body 1, and the bending resistance of the steel bar body 1 is further improved through the steel bars 3. The anti-corrosion layer 7 is a nano coating in the prior art. The nano coating is a coating with ultra-fine particles, which has extremely high corrosion resistance and extremely long service life, and also has good corrosion resistance in a humid environment.

[0025] See also Figure 1-4 The utility model provides a technical solution: two moving grooves 11 are provided at the far ends of the two protection plates 9 .

[0026] During operation, the steel rod body 1 can be moved better through the moving groove 11 .

[0027] See also Figure 1-4 The utility model provides a technical solution: a fixing groove 12 is provided at the right end of the protection plate 9 at the right end.

[0028] During operation, the steel rod body 1 can be fixed through the fixing groove 12 .

[0029] See also Figure 1-4 The utility model provides a technical solution: a reinforcement layer 6 is fixedly connected to the outer surface of the steel rod body 1 .

[0030] During operation, the steel rod body 1 is made more stable by the reinforcement layer 6 , and the reinforcement layer 6 is mainly made of polyethylene film and polyester fiber cloth.

[0031] See also Figure 1-4The utility model provides a technical solution: a plurality of wear-resistant strips 8 are fixedly connected to the outer surface of the reinforcement layer 6 .

[0032] During operation, the surface of the steel rod body 1 can be made more wear-resistant by using a plurality of wear-resistant strips 8. The material of the wear-resistant strips 8 is usually steel, mainly composed of low-carbon steel plates and alloy wear-resistant layers, wherein the alloy wear-resistant layer accounts for about 1 / 2 to 1 / 3 of the plate thickness. The alloy wear-resistant layers of these wear-resistant plates are mainly chromium alloys, and other alloy elements such as manganese, molybdenum, niobium, and nickel may also be added.

[0033] See also Figure 1-4 The utility model provides a technical solution: the outer surfaces of the two protection plates 9 are fixedly connected with sealing rings 10, and the lower ends of the two sealing rings 10 are in contact with the outer surface of the steel rod body 1.

[0034] During operation, the sealing ring 10 can protect the I-beam 5 and the steel bars 3 placed inside the steel bar body 1 .

[0035] See also Figure 1-4 The utility model provides a technical solution: a thread groove is arranged inside the fixing groove 12 .

[0036] During operation, the fixing groove 12 can rotate the steel rod body 1 through the threaded groove when fixing.

[0037] In summary, the steel bars 3 are fixedly connected inside the multiple first placement grooves 2, and the multiple steel bars 3 are connected by steel wire ropes, and an I-beam 5 is placed inside the second placement groove 4. The I-beam 5 is in the shape of an I-beam, which can effectively improve the bending strength of the steel bar body 1, and the protective plate 9 prevents the steel bar body 1 from being exposed to the air and is not easy to corrode or loosen, thereby maintaining the durability of the steel bar body 1 and playing an anchoring role, which also indirectly improves the bending resistance of the steel bar body 1, and the bending resistance of the steel bar body 1 is further improved through the steel bar 3.

[0038] 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.

[0039] 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 novel corrosion-resistant and bending-resistant high-strength steel bar, comprising a steel bar body (1), characterized in that: The steel bar body (1) is provided with a plurality of first placement grooves (2), each of which is fixedly connected with a steel bar (3), and each of which is fixedly connected with a connecting rope. The steel bar body (1) is provided with a second placement groove (4), each of which is fixedly connected with an I-beam (5). The outer surface of the steel bar body (1) is provided with an anti-corrosion layer (7), and the left and right ends of the steel bar body (1) are fixedly connected with protective plates (9), and the two protective plates (9) are respectively matched with the sizes of the plurality of first placement grooves (2) and the second placement grooves (4).

2. A new type of corrosion-resistant and bending-resistant high-strength steel bar according to claim 1, characterized in that: Two movable grooves (11) are provided at the ends of the two protection plates (9) that are away from each other.

3. A new type of corrosion-resistant and bending-resistant high-strength steel bar according to claim 1, characterized in that: The right end of the protection plate (9) located at the right end is provided with a fixing groove (12).

4. The novel corrosion-resistant and bending-resistant high-strength steel bar according to claim 1 is characterized in that: A reinforcement layer (6) is fixedly connected to the outer surface of the steel rod body (1).

5. A novel corrosion-resistant and bending-resistant high-strength steel bar according to claim 4, characterized in that: A plurality of wear-resistant strips (8) are fixedly connected to the outer surface of the reinforcement layer (6).

6. The novel corrosion-resistant and bending-resistant high-strength steel bar according to claim 1 is characterized in that: The outer surfaces of the two protection plates (9) are fixedly connected with sealing rings (10), and the lower ends of the two sealing rings (10) are in contact with the outer surface of the steel rod body (1).

7. The novel corrosion-resistant and bending-resistant high-strength steel bar according to claim 3 is characterized in that: A thread groove is arranged inside the fixing groove (12).