Novel bridge prestressed anchorage device

Abstract

The novel bridge prestressed anchorage device comprises an anchorage device disc, a mounting hole is formed in the surface of the anchorage device disc in a penetrating mode, an elastic steel plate is arranged on the inner wall of the mounting hole in a surrounding mode, and the included angle between the elastic steel plate and the inner wall of the mounting hole is 30 degrees. According to the utility model, by arranging the elastic steel plate and the anti-skid barbs, the stability of the steel strand in the mounting hole can be improved, so that when the steel strand penetrates through the mounting hole, the steel strand can be in contact with the elastic steel plate, and then the anti-skid barbs on the surface of the elastic steel plate can abut against the steel strand, thereby ensuring the stability of the steel strand in the mounting hole; by arranging the polygonal grooves and the polygonal columns, when the anchorage device discs are stacked, the polygonal columns of the anchorage device discs on the upper portion can be inserted into the polygonal column grooves of the anchorage device discs on the lower portion, and therefore under the cooperation of the polygonal grooves and the polygonal columns, the stability of the anchorage device discs in the stacking process is improved; therefore, the anchorage device disc is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of prestressed anchor devices, in particular to a new type of prestressed anchor device for bridges. Background Technique

[0002] An anchor device is a component used for concrete prestress tensioning during the engineering construction process, and is generally often used in bridge construction. In the original anchor device, since the inner part of the tapered sleeve is a planar structure, the friction force is small, and the connection effect needs to be improved. Moreover, the original tapered sleeve is a rotatable structure, and the steel strand may rotate during installation. Both the steel strand and the anchor device have a certain weight, and large wear will occur during rotation, resulting in a significant reduction in the connection stability of the anchor device; and there is another major drawback in the planar structure of the original anchor device, which is extremely inconvenient for stacking layer by layer and handling, and often collapses, leading to safety accidents and low work efficiency.

[0003] Therefore, we propose a new type of prestressed anchor device for bridges to solve the above drawbacks. Content of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose a new type of prestressed anchor device for bridges.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a new type of prestressed anchor device for bridges, including an anchor plate, the surface of the anchor plate is penetrated with installation holes, elastic steel plates are arranged around the inner wall of the installation holes, and the included angle between the elastic steel plates and the inner wall of the installation holes is 30 degrees. Anti-slip barbs are arranged on the surface of the elastic steel plates. There are multiple anti-slip barbs, and multiple anti-slip barbs are equidistantly installed on the surface of the elastic steel plates.

[0006] Preferably, a polygonal groove is opened at the middle position on the surface of the anchor plate, and a polygonal column is arranged at the middle position on the other side of the anchor plate.

[0007] Preferably, handles are installed on the circumferential side of the anchor plate, and there are two handles, and the two handles are symmetrically installed about the center line of the anchor plate.

[0008] Preferably, anti-slip convex grains are arranged on the outer surface of the handle.

[0009] Preferably, the polygonal column and the polygonal groove are in clearance fit, and the clearance value is zero.

[0010] Preferably, there are multiple installation holes, and multiple installation holes are equidistantly arranged around the surface of the anchor plate.

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

[0012] (1) The utility model, by providing an elastic steel plate and anti-skid barbs, is convenient for improving the stability of the steel strand inside the installation hole, so that when the steel strand passes through the installation hole, the steel strand will contact the elastic steel plate, and then the anti-skid barbs on the surface of the elastic steel plate will conflict with the steel strand, thereby ensuring the stability of the steel strand inside the installation hole. By providing a polygonal groove and a polygonal column, when the anchor discs are stacked, the polygonal column of the upper anchor disc can be inserted into the polygonal column groove of the lower anchor disc, so that with the cooperation of the polygonal groove and the polygonal column, the stability of the anchor discs when stacked is improved. By providing a handle, it is convenient to lift the anchor disc by the handle, thereby facilitating the operation of the anchor disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0014] Figure 1 This is a structural schematic diagram of a new type of prestressed anchor for bridges proposed by the utility model;

[0015] Figure 2 This is a front view of a new type of prestressed anchor for bridges proposed by the utility model;

[0016] Figure 3 A schematic diagram of a new type of anti-slip prestressed anchor for bridges proposed by the utility model;

[0017] Figure 4 This is a new type of bridge prestressed anchor stacking diagram proposed by the utility model.

[0018] Legend:

[0019] 1. Anchor plate; 2. Mounting hole; 3. Handle; 4. Anti-skid convex particles; 5. Polygonal groove; 6. Elastic steel plate; 7. Anti-skid thorns; 8. Polygonal column. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0021] Please refer to Figures 1-4A new type of prestressed anchor for bridges includes an anchor plate 1, a mounting hole 2 is formed through the surface of the anchor plate 1, an elastic steel plate 6 is arranged around the inner wall of the mounting hole 2, and the angle between the elastic steel plate 6 and the inner wall of the mounting hole 2 is thirty degrees, and anti-skid thorns 7 are arranged on the surface of the elastic steel plate 6, and a plurality of anti-skid thorns 7 are arranged, and the plurality of anti-skid thorns 7 are equidistantly arranged on the surface of the elastic steel plate 6.

[0022] In this embodiment: by providing an elastic steel plate 6 and anti-slip barbs, the stability of the steel strand inside the mounting hole 2 is improved, so that when the steel strand passes through the mounting hole 2, the steel strand will contact the elastic steel plate 6, and then the anti-slip barbs on the surface of the elastic steel plate 6 will come into contact with the steel strand, thereby ensuring the stability of the steel strand inside the mounting hole 2.

[0023] Specifically, a polygonal groove 5 is provided in the middle of the surface of the anchor plate 1 , and a polygonal column 8 is provided in the middle of the other surface of the anchor plate 1 .

[0024] In this embodiment: by providing the polygonal groove 5 and the polygonal column 8, when the anchor plates 1 are stacked, the polygonal column 8 of the upper anchor plate 1 can be inserted into the groove of the polygonal column 8 of the lower anchor plate 1, thereby improving the stability of the anchor plates 1 when stacked with the cooperation of the polygonal groove 5 and the polygonal column 8.

[0025] Specifically, handles 3 are installed on the side surfaces of the anchor plate 1 , and two handles 3 are provided, and the two handles 3 are installed symmetrically about the center line of the anchor plate 1 .

[0026] In this embodiment, the handle 3 is provided to facilitate lifting of the anchor plate 1 through the handle 3, thereby facilitating operation of the anchor plate 1.

[0027] Specifically, the outer surface of the handle 3 is provided with anti-slip convex particles 4.

[0028] In this embodiment, the anti-skid convex particles 4 are provided to improve the anti-skid performance of the handle 3 .

[0029] Specifically, the polygonal column 8 and the polygonal groove 5 are clearance-matched, and the clearance value is zero.

[0030] In this embodiment, the polygonal column 8 and the polygonal groove 5 are gap-matched to improve the stability between the polygon and the polygonal groove 5.

[0031] Specifically, a plurality of mounting holes 2 are provided, and the plurality of mounting holes 2 are equidistantly arranged around the surface of the anchor plate 1 .

[0032] In this embodiment, by providing a plurality of mounting holes 2, the anchor plate 1 can be used to fix a plurality of steel strands at the same time.

[0033] Working principle: By providing an elastic steel plate 6 and anti-slip barbs, it is convenient to improve the stability of the steel strand inside the mounting hole 2, so that when the steel strand passes through the mounting hole 2, the steel strand will contact the elastic steel plate 6, and then the anti-slip barbs on the surface of the elastic steel plate 6 will conflict with the steel strand, thereby ensuring the stability of the steel strand inside the mounting hole 2. By providing a polygonal groove 5 and a polygonal column 8, when the anchor plate 1 is stacked, the polygonal column 8 of the upper anchor plate 1 can be inserted into the groove of the polygonal column 8 of the lower anchor plate 1, so that with the cooperation of the polygonal groove 5 and the polygonal column 8, the stability of the anchor plate 1 when stacked is improved. By providing a handle 3, it is convenient to lift the anchor plate 1 by the handle 3, thereby facilitating the operation of the anchor plate 1.

[0034] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A novel prestressed anchor for bridges, comprising an anchor plate (1), characterized in that: The surface of the anchor plate (1) is provided with a mounting hole (2) extending through the surface, and the inner wall of the mounting hole (2) is surrounded by an elastic steel plate (6), and the angle between the elastic steel plate (6) and the inner wall of the mounting hole (2) is thirty degrees. The surface of the elastic steel plate (6) is provided with anti-skid spikes (7), and there are a plurality of anti-skid spikes (7), and the plurality of anti-skid spikes (7) are equidistantly installed on the surface of the elastic steel plate (6).

2. A new type of prestressed anchor for bridges according to claim 1, characterized in that: A polygonal groove (5) is provided in the middle of the surface of the anchor plate (1), and a polygonal column (8) is provided in the middle of the other surface of the anchor plate (1).

3. A new type of prestressed anchor for bridges according to claim 1, characterized in that: A handle (3) is installed on the side surface of the anchor plate (1), and two handles (3) are provided, and the two handles (3) are installed symmetrically with respect to the center line of the anchor plate (1).

4. A new type of prestressed anchor for bridges according to claim 3, characterized in that: The outer surface of the handle (3) is provided with anti-slip convex particles (4).

5. A new type of prestressed anchor for bridges according to claim 2, characterized in that: The polygonal column (8) and the polygonal groove (5) are clearance-matched, and the clearance value is zero.

6. A novel prestressed anchor for bridges according to claim 1, characterized in that: A plurality of the mounting holes (2) are provided, and the plurality of mounting holes (2) are arranged at equal distances and surround the surface of the anchor plate (1).

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