Anti-pulling structure of prestressed hollow square pile

Abstract

The utility model discloses a prestressed hollow square pile anti-pulling structure which comprises a concrete column, an anti-pulling structure and a connecting structure, the anti-pulling structure is arranged on the concrete column, the connecting structure is arranged on the concrete column, and the anti-pulling structure comprises thickened steel bars, an anti-impact seat, an impact head, a friction groove and ribs. The thickened steel bar is arranged in the concrete column, the anti-impact seat is fixedly arranged in the concrete column, the impact head is fixedly arranged on the anti-impact seat, the friction groove is fixedly formed in the concrete column, and the rib is arranged in the friction groove. The utility model belongs to the technical field of square pile equipment, particularly relates to an anti-pulling structure of a prestressed hollow square pile, and effectively solves the problems that the anti-pulling effect is poor due to the fact that most of the outer surfaces of the anti-pulling structure of the prestressed hollow square pile are smooth, internal steel bars are thin, concrete is prone to being stressed greatly and fractured, and when the bottom is impacted downwards, the anti-pulling effect is poor. And the square pile is easy to damage.

Description

Technical Field

[0001] The utility model belongs to the technical field of square pile equipment, in particular to a prestressed hollow square pile pull-out resistant structure. Background Art

[0002] Prestressed pipe piles are widely used in industrial and civil, municipal, water conservancy, highway, bridge, dock and other projects. They are suitable for general clay soil and backfill soil, silt (sand) soil, non-self-weight collapsible loess, and strongly weathered (fully weathered) rock layers, hard gravel soil layers and sandy soil layers. The construction is not affected by the height of the groundwater level. Too high groundwater levels often cause problems such as reduced stability of underground structures and lifting of the bottom plate. The outer surface of the existing prestressed hollow square pile pull-out structure is mostly smooth, resulting in poor pull-out effect. At the same time, the internal steel bars are relatively thin, which makes it easy for the concrete to be subjected to greater stress and crack. At the same time, when the bottom impacts downward, it is easy to cause damage to the square pile. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model proposes a prestressed hollow square pile anti-pullout structure, which effectively solves the problem that the outer surface of the prestressed hollow square pile anti-pullout structure is mostly smooth, resulting in poor anti-pullout effect, and the internal steel bars are relatively thin, which makes it easy for the concrete to be subjected to large stress and crack, and at the same time, when the bottom impacts downward, it is easy to cause damage to the square pile.

[0004] The technical solution adopted by the utility model is as follows: The utility model proposes a prestressed hollow square pile pull-out structure, including a concrete column, a pull-out structure and a connecting structure, the pull-out structure is arranged on the concrete column, the connecting structure is arranged on the concrete column, the pull-out structure includes thickened steel bars, an anti-impact seat, an impact head, a friction groove and tendons, the thickened steel bars are arranged in the concrete column, the anti-impact seat is fixed in the concrete column, the impact head is fixed on the anti-impact seat, the friction groove is fixed on the concrete column, and the tendons are arranged in the friction groove.

[0005] Preferably, the connection structure includes a connection steel seat, a connection plate and a connection hole, the connection steel seat is fixed on the concrete column, the connection plate is fixed on the connection steel seat, and the connection hole is penetrated through the connection plate.

[0006] In order to better achieve the anti-pullout effect, the friction groove is arranged in parallel with the concrete column, the ribs are arranged in parallel with the friction groove, and the concrete column is arranged vertically with the connecting plate.

[0007] In order to achieve the purpose of pull-out resistance more quickly, the anti-impact seat is placed between the impact head and the concrete column.

[0008] Furthermore, the concrete column is arranged in a rectangular shape, the friction groove is arranged in a triangular shape, and the thickened steel bar is arranged in a circular shape.

[0009] In order to achieve the anti-pullout effect, the friction grooves are provided in several groups, and the tendons are provided in several groups.

[0010] The beneficial effects achieved by the utility model using the above structure are as follows: This scheme proposes a prestressed hollow square pile pull-out resistance structure, the friction groove is on the surface of the concrete column, after being inserted into the soil, the friction groove generates friction in the soil, thereby achieving strong pull-out resistance, and at the same time the impact head is made of steel to increase the impact force and avoid damage to the concrete column. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the overall structure of a prestressed hollow square pile pull-out resistant structure proposed by the utility model;

[0012] Figure 2 The utility model provides a schematic cross-sectional structure diagram of a prestressed hollow square pile pull-out resistant structure.

[0013] Among them, 1. concrete column, 2. pull-out structure, 3. connection structure, 4. thickened steel bars, 5. anti-impact seat, 6. impact head, 7. friction groove, 8. tendons, 9. connecting steel seat, 10. connecting plate, 11. connecting hole.

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] like Figure 1 and Figure 2As shown, the utility model proposes a prestressed hollow square pile pull-out structure, including a concrete column 1, a pull-out structure 2 and a connecting structure 3, the pull-out structure 2 is arranged on the concrete column 1, the connecting structure 3 is arranged on the concrete column 1, the pull-out structure 2 includes a thickened steel bar 4, an anti-impact seat 5, an impact head 6, a friction groove 7 and tendons 8, the thickened steel bar 4 is arranged in the concrete column 1, the anti-impact seat 5 is fixed in the concrete column 1, the impact head 6 is fixed on the anti-impact seat 5, the friction groove 7 is fixed on the concrete column 1, and the tendons 8 are arranged in the friction groove 7.

[0017] like Figure 1 As shown, the connection structure 3 includes a connection steel seat 9, a connection plate 10 and a connection hole 11. The connection steel seat 9 is fixed on the concrete column 1, the connection plate 10 is fixed on the connection steel seat 9, and the connection hole 11 is penetrated on the connection plate 10.

[0018] like Figure 1 and Figure 2 As shown, the friction groove 7 is arranged parallel to the concrete column 1, the rib 8 is arranged parallel to the friction groove 7, and the concrete column 1 is arranged perpendicular to the connecting plate 10.

[0019] like Figure 1 and Figure 2 As shown, the anti-impact seat 5 is located between the impact head 6 and the concrete column 1 .

[0020] like Figure 1 and Figure 2 As shown, the concrete column 1 is arranged in a rectangular shape, the friction groove 7 is arranged in a triangular shape, and the thickened steel bar 4 is arranged in a circular shape.

[0021] like Figure 2 As shown, the friction grooves 7 are provided in several groups, and the tendons 8 are provided in several groups.

[0022] During specific use, when the user uses this device, the impact head 6 is threadedly inserted into the anti-impact seat 5 to increase the impact force. After the concrete column 1 is inserted into the soil, the friction is increased by the process to achieve improved pull-out resistance. At the same time, the tendons 8 increase the strength to avoid damage. Then the upper layer is connected to the connecting plate 10 and connected through the connecting hole 11 with bolts to achieve a stable structure. The above is the use process of the entire prestressed hollow square pile pull-out resistance structure 2.

[0023] 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.

[0024] 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.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A prestressed hollow square pile pull-out resistant structure, characterized in that: It includes a concrete column, an anti-pull-out structure and a connecting structure, wherein the anti-pull-out structure is arranged on the concrete column, the connecting structure is arranged on the concrete column, the anti-pull-out structure includes thickened steel bars, an anti-impact seat, an impact head, a friction groove and tendons, the thickened steel bars are arranged in the concrete column, the anti-impact seat is fixed in the concrete column, the impact head is fixed on the anti-impact seat, the friction groove is fixed on the concrete column, and the tendons are arranged in the friction groove.

2. The prestressed hollow square pile pull-out resistant structure according to claim 1, characterized in that: The connection structure comprises a connection steel seat, a connection plate and a connection hole. The connection steel seat is fixed on the concrete column, the connection plate is fixed on the connection steel seat, and the connection hole is penetrated on the connection plate.

3. The prestressed hollow square pile pull-out resistant structure according to claim 2, characterized in that: The friction groove is arranged in parallel with the concrete column, the ribs are arranged in parallel with the friction groove, and the concrete column is arranged in perpendicular with the connecting plate.

4. The prestressed hollow square pile pull-out resistant structure according to claim 3, characterized in that: The anti-impact seat is arranged between the impact head and the concrete column.

5. The prestressed hollow square pile anti-pulling structure according to claim 4 is characterized in that: The concrete column is arranged in a rectangular shape, the friction groove is arranged in a triangular shape, and the thickened steel bar is arranged in a circular shape.

6. The prestressed hollow square pile anti-pulling structure according to claim 5, characterized in that: The friction grooves are provided in a plurality of groups, and the tendons are provided in a plurality of groups.

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