Corrosion-resistant elastic clamping type square pile

Abstract

The corrosion-resistant elastic clamping type square pile comprises a square pile body, end plates are fixedly connected to the two side walls of the square pile body, a round hole is formed in the middle of the other side wall of the square pile body, and steel hoops are arranged on the positions, close to the end plates, of the outer side wall of the square pile body. Positioning columns are fixedly connected to the positions, close to the four corners, of one side wall of the end plate on one side, a fixing plate is fixedly connected to the position, close to one end, of the inner side wall of the round hole, an inserting rod is fixedly connected to the middle of one side wall of the fixing plate, and a locking head is fixedly connected to one side wall of the inserting rod. And a limiting stop block is fixedly connected to the position, close to the other end, of the inner side wall of the round hole. According to the square pile, the waterproof layer and the anti-corrosion layer are designed, the anti-corrosion layer is coated after the waterproof layer is dried, so that the square pile has good anti-corrosion performance under the condition that the square pile is exposed outside, elastic clamping type connection is formed by designing a locking head and an elastic clamping groove, and therefore the square pile of the kind can be better used; therefore, the connection is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated piles, in particular to a corrosion-resistant spring-clip type square pile. Background Art

[0002] Square piles are hollow cylindrical slender concrete prefabricated components made by prestressing technology and centrifugal forming. They are mainly composed of a square pile body, end plates and steel sleeves. Spring-clip connection prestressed concrete square piles use spring-clip mechanical connection, and the joints are filled and sealed with structural adhesive to make the upper and lower sections of the pile form a complete whole. The spring-clip connection consists of a small sleeve and a plug rod for the upper section of the pile and a large sleeve and a spring clip for the lower section of the pile.

[0003] Although the existing square piles can meet normal needs, they have the problem of low corrosion resistance. Traditional welding and mechanical connections have their own disadvantages. Welding may break after a long time, and mechanical connections are prone to rust and corrosion, which results in the existing square piles not being well used. Therefore, technical personnel in this field provide a corrosion-resistant spring-clip square pile to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a corrosion-resistant spring-clip type square pile. The square pile is designed with a waterproof layer and an anti-corrosion layer, and the anti-corrosion layer is coated after the waterproof layer is dried, so that the square pile has good corrosion resistance when exposed to the outside. The locking head and the spring-clip groove are designed to form a spring-clip connection, so that this type of square pile can be better used. The positioning hole and the positioning column are designed to make the connection more convenient.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a corrosion-resistant spring-clip square pile, comprising a square pile, both side walls of the square pile are fixedly connected with end plates, a circular hole is opened in the middle position of the other side wall of the square pile, a steel hoop is arranged on the outer wall of the square pile near the end plate, one side wall of the end plate on one side is fixedly connected with a positioning column at the four corners, the inner wall of the circular hole is fixedly connected with a fixing plate at one end position, a plug rod is fixedly connected with the middle position of one side wall of the fixing plate, a locking head is fixedly connected with one side wall of the plug rod, the inner wall of the circular hole is fixedly connected with a limited stopper at the other end position, a spring-clip slot is opened in the middle position of the other side wall of the limited stopper, and positioning holes are opened near the four corners of the other side wall of the end plate on the other side, the square pile comprises an anti-corrosion layer, a waterproof layer and a concrete layer from the outside to the inside, the outer wall of the concrete layer is fixedly connected to the waterproof layer, and the outer wall of the waterproof layer is fixedly connected to the anti-corrosion layer;

[0006] Through the above technical scheme, the square pile is designed with a waterproof layer and an anti-corrosion layer, and the anti-corrosion layer is applied after the waterproof layer is dried, so that the square pile has good corrosion resistance when exposed to the outside. The locking head and the spring card slot are designed to form a spring card connection, so that this type of square pile can be better used, and the positioning hole and the positioning column are designed to make the connection more convenient.

[0007] Further, the anti-corrosion layer is made of epoxy resin coating;

[0008] Through the above technical solution, good anti-corrosion effect and certain wear resistance are achieved.

[0009] Further, the waterproof layer is made of hard mortar material;

[0010] Through the above technical solution, water can be prevented from penetrating into the concrete layer.

[0011] Furthermore, the dimensions of the two end plates are consistent with the vertical cross-section dimensions of the square pile;

[0012] Through the above technical solution, the appearance is neat and easy to stack, which plays a protective role.

[0013] Furthermore, the outer sides of the two steel hoops are flush with the outer surface of the square pile;

[0014] Through the above technical solution, the surface is smooth and the two ends of the square pile are protected.

[0015] Further, one side of the locking head is spherical;

[0016] Through the above technical solution, insertion is convenient.

[0017] Furthermore, the size of the spring card slot is consistent with the size of the insertion rod;

[0018] Through the above technical solution, the plugging is more secure.

[0019] Furthermore, the limit stopper is made of elastic metal material;

[0020] The above technical solution makes it easier for the locking head to be squeezed in.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the square pile is designed with a waterproof layer and an anti-corrosion layer. During use, after the square pile is cast, the waterproof layer is first applied on the outside, and then the anti-corrosion layer is applied after the waterproof layer is dried, so that the square pile has good anti-corrosion performance when exposed to the outside.

[0023] 2. In the utility model, the square pile is designed with a locking head and a spring-cage slot. During use, the locking head and the insertion rod at one end of a square pile are inserted into the spring-cage slot at the other end of another square pile, and the rear end of the locking head is squeezed to one side of the limit block, thereby forming a spring-cage connection, making the connection more secure and preventing external components from being corroded, so that this type of square pile can be better used.

[0024] 3. In the utility model, the square pile is designed with positioning holes and positioning columns. When connected during use, the positioning column is inserted into the positioning hole of another square pile for positioning, thereby making the connection more convenient, and the two ends of the square pile are fastened by the end plate and the steel hoop for protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a corrosion-resistant spring-clip square pile proposed by the utility model;

[0026] Figure 2 This is a front cross-sectional view of a corrosion-resistant spring-clip square pile proposed by the utility model;

[0027] Figure 3 This is a partial cross-sectional view of a corrosion-resistant spring-clip square pile proposed by the utility model;

[0028] Figure 4 for Figure 2 Enlarged schematic diagram at point A in the middle.

[0029] Legend:

[0030] 1. Square pile; 2. Steel hoop; 3. End plate; 4. Round hole; 5. Positioning hole; 6. Locking head; 7. Insert rod; 8. Limit block; 9. Spring card slot; 10. Anti-corrosion layer; 11. Waterproof layer; 12. Concrete layer; 13. Positioning column; 14. Fixed plate. DETAILED DESCRIPTION

[0031] 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.

[0032] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] Reference Figure 1-4 , the utility model provides an embodiment: a corrosion-resistant spring-clip square pile, including a square pile 1, both side walls of the square pile 1 are fixedly connected with end plates 3, a round hole 4 is opened in the middle of the other side wall of the square pile 1, a steel sleeve 2 is arranged on the outer wall of the square pile 1 near the end plate 3, a positioning column 13 is fixedly connected to the four corners of the side wall of the end plate 3 on one side, a fixing plate 14 is fixedly connected to the inner wall of the round hole 4 at one end, a plug rod 7 is fixedly connected to the middle of one side wall of the fixing plate 14, a locking head 6 is fixedly connected to the one side wall of the plug rod 7, and a fixing column 13 is fixedly connected to the inner wall of the round hole 4 at the other end. A limited stopper 8 is fixedly connected, a spring-cage slot 9 is provided in the middle of the other side wall of the limited stopper 8, and positioning holes 5 are provided near the four corners of the other side wall of the end plate 3 on the other side. The square pile 1 includes an anti-corrosion layer 10, a waterproof layer 11 and a concrete layer 12 from the outside to the inside. The outer wall of the concrete layer 12 is fixedly connected to the waterproof layer 11, and the outer wall of the waterproof layer 11 is fixedly connected to the anti-corrosion layer 10. After the square pile 1 is cast, the waterproof layer 11 is first applied on the outside, and the anti-corrosion layer 10 is applied after the waterproof layer 11 is dry, so that the square pile 1 has good corrosion resistance when exposed to the outside.

[0034] The anti-corrosion layer 10 is made of epoxy resin paint, which has good anti-corrosion effect and certain wear resistance. The waterproof layer 11 is made of hard mortar material, which can prevent water from penetrating into the concrete layer 12. The two end plates 3 are consistent with the vertical cross-sectional size of the square pile 1, and the appearance is regular, which is easy to stack and plays a protective role. The outer sides of the two steel hoops 2 are flush with the outer surface of the square pile 1, and the appearance is flat, which protects the two ends of the square pile 1. One side of the locking head 6 is spherical for easy insertion. The size of the spring slot 9 is consistent with the size of the insertion rod 7, and the insertion is more secure. The limit block 8 is made of elastic metal material to facilitate the squeezing of the locking head 6.

[0035] Working principle: After the square pile 1 is cast, a waterproof layer 11 is first applied on the outside. After the waterproof layer 11 is dried, an anti-corrosion layer 10 is applied, so that the square pile 1 has good corrosion resistance when exposed to the outside. The locking head 6 and the insertion rod 7 at one end of a square pile 1 are inserted into the spring-cage groove 9 at the other end of the other square pile 1, and the rear end of the locking head 6 is stuck on the side of the limit block 8 by squeezing, so that a spring-cage connection is formed, making the connection more secure and no external components will be corroded, so that this type of square pile 1 can be better used. When connecting, the positioning column 13 is inserted into the positioning hole 5 of the other square pile 1 for positioning, which makes the connection more convenient, and the two ends of the square pile 1 are fastened by the end plate 3 and the steel sleeve 2 for protection.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant spring-clip square pile, comprising a square pile (1), characterized in that: The two side walls of the square pile (1) are fixedly connected with an end plate (3), a circular hole (4) is opened in the middle of the other side wall of the square pile (1), a steel hoop (2) is arranged near the end plate (3) on the outer side wall of the square pile (1), a positioning column (13) is fixedly connected to the four corners of the side wall of the end plate (3) on one side, a fixing plate (14) is fixedly connected to the inner side wall of the circular hole (4) at one end, a plug rod (7) is fixedly connected to the middle of one side wall of the fixing plate (14), and a locking head is fixedly connected to one side wall of the plug rod (7). (6), a limit stopper (8) is fixedly connected to the inner wall of the circular hole (4) near the other end, a spring-locking groove (9) is provided in the middle of the other side wall of the limit stopper (8), and positioning holes (5) are provided near the four corners of the other side wall of the end plate (3) on the other side. The square pile (1) includes an anti-corrosion layer (10), a waterproof layer (11) and a concrete layer (12) from the outside to the inside, the outer wall of the concrete layer (12) is fixedly connected to the waterproof layer (11), and the outer wall of the waterproof layer (11) is fixedly connected to the anti-corrosion layer (10).

2. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The anti-corrosion layer (10) is made of epoxy resin paint.

3. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The waterproof layer (11) is made of hard mortar material.

4. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The dimensions of the two end plates (3) are consistent with the vertical cross-sectional dimensions of the square pile (1).

5. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The outer sides of the two steel hoops (2) are flush with the outer surface of the square pile (1).

6. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: One side of the locking head (6) is spherical.

7. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The size of the spring-cage slot (9) is consistent with the size of the insertion rod (7).

8. The corrosion-resistant spring-clip square pile according to claim 1, characterized in that: The limit stopper (8) is made of elastic metal material.

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