Steel pipe pile connecting structure with pressure resistance

By designing a steel pipe pile connecting structure including bidirectional screw, compression plate and rotating rod, the problem of insufficient compression resistance in the pile sinking process of the existing connecting structure is solved, and higher compression resistance and structural stability are achieved.

CN222632221UActive Publication Date: 2025-03-18CHINA URBAN CONSTR (FUJIAN) ARCHITECTURAL DESIGN & RES INST CO LTD
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Patent Information

Application Number
CN202421335668.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-18
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing steel pipe pile connecting structures are susceptible to impact force and vibration force during pile sinking, resulting in damage or failure of the connecting structure and lack of compressive resistance.

Method used

A steel pipe pile connecting structure including a connecting structure body, a bidirectional screw, a compressive plate, a rotating rod and a lifting plate is designed. By rotating the bidirectional screw and the rotating rod, the pressure plates are kept away from each other, supporting the inner wall of the steel pipe pile and enhancing the compressive resistance.

Benefits of technology

This structure is simple and easy to use, significantly improving the compressive resistance of the steel pipe pile connecting structure, preventing the connection structure from being damaged or failing during pile sinking.

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Abstract

The utility model discloses a steel pipe pile connecting structure with anti-pressure ability, which comprises a connecting structure body, the inner wall of the connecting structure body is rotatably connected with a two-way screw rod, the two sides of the outer side wall of the two-way screw rod are both in threaded connection with anti-pressure plates II, the two ends of the anti-pressure plates II are both rotatably connected with rotating rods II, and the rotating rods II are in threaded connection with the two sides of the outer side wall of the two-way screw rod. And one end of each second rotating rod is rotationally connected with a lifting disc, a guide groove is formed in the inner wall of the connecting structure body, and the inner wall of the guide groove is slidably connected with the outer side wall of the second pressure-resistant plate. When the first steel pipe piles and the second steel pipe piles are fixed to the connecting structure body, the two-way screw rods are rotated, the two second pressure-resistant plates are far away from each other, the second rotating rods pull the two lifting discs downwards, and the two first pressure-resistant plates are far away from each other; the inner walls of the first steel pipe pile and the second steel pipe pile are supported by the two first pressure-resistant plates and the two second pressure-resistant plates, the steel pipe pile connecting structure is simple in structure and convenient to use, and the pressure-resistant capacity of the steel pipe pile connecting structure is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe pile connection, in particular to a steel pipe pile connection structure with compression resistance. Background Art

[0002] The steel pipe pile is composed of a steel pipe, a tongue and groove groove, and a tongue and groove pin. The tongue and groove groove is vertically connected to the tube wall at the left end of the steel pipe diameter. The cross-section of the tongue and groove groove is a square frame with one side open. Reinforcing ribs are provided on the side of the tongue and groove groove. The tongue and groove pin has an I-shaped groove section. However, a connecting structure is required to splice two steel pipe piles into a whole.

[0003] At present, most steel pipe pile connection structures simply splice two steel pipe piles together, and the steel pipe piles are usually buried underground. During the pile sinking process, the pile body and the connection structure may be subjected to impact and vibration forces from the pile hammer, and the existing steel pipe pile connection structure does not have a compressive structure, which may cause damage or failure of the connection structure. Utility Model Content

[0004] The purpose of the utility model is to provide a steel pipe pile connection structure with compression resistance to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe pile connection structure with compression resistance, comprising a connection structure body, the inner wall of the connection structure body is rotatably connected with a bidirectional screw, both sides of the outer wall of the bidirectional screw are threadedly connected with two pressure-resistant plates, both ends of the two pressure-resistant plates are rotatably connected with two rotating rods, one end of the two rotating rods is rotatably connected with a lifting plate, the inner wall of the connection structure body is provided with a guide groove, the inner wall of the guide groove is slidably connected with the outer wall of the two pressure-resistant plates, and one end of the bidirectional screw is fixedly connected with a screw nut.

[0006] As a further preferred embodiment of the present technical solution, a plurality of slots are provided on the outer wall of the screw cap, a fixing frame is slidably connected to the inner wall of the slot, and a protective plate is fixedly connected to one side of the fixing frame.

[0007] As a further preferred embodiment of the technical solution, four corners of one side of the protective plate are threadedly connected with two fixing screws, and one end of the two fixing screws is threadedly connected to the outer side wall of the connection structure body.

[0008] As a further preferred embodiment of the present technical solution, a steel pipe pile 1 is arranged inside the connecting structure body, a fixing bolt 1 is threadedly connected to one side of the outer wall of the connecting structure body, one end of the fixing bolt 1 is threadedly connected to one side of the outer wall of the steel pipe pile 1, a steel pipe pile 2 is arranged below the steel pipe pile 1, and the outer wall of the steel pipe pile 2 is slidably connected to one side of the inner wall of the connecting structure body.

[0009] As a further preferred embodiment of the present technical solution, a pressure-resistant ring is fixedly connected to the other side of the outer wall of the connecting structure body, a reinforcing rib is fixedly connected to one side of the outer wall of the pressure-resistant ring, and one side of the reinforcing rib is fixedly connected to the outer wall of the connecting structure body.

[0010] As a further preferred embodiment of the technical solution, a pressure-resistant plate 1 is arranged between the two lifting plates, both ends of the pressure-resistant plate 1 are rotatably connected to a rotating rod 1, and one end of the two rotating rods 1 is rotatably connected to one side of the two lifting plates respectively.

[0011] The utility model provides a steel pipe pile connection structure with compression resistance, which has the following beneficial effects:

[0012] (1) The utility model fixes the steel pipe pile 1 and the steel pipe pile 2 on the connecting structure body, rotates the bidirectional screw, and the two pressure-resistant plates 2 move away from each other. The rotating rod 2 pulls the two lifting plates downward, so that the two pressure-resistant plates 1 also move away from each other, thereby achieving the support of the inner walls of the steel pipe pile 1 and the steel pipe pile 2 by the two pressure-resistant plates 1 and the two pressure-resistant plates 2. This structure is simple and easy to use, and improves the pressure resistance of the steel pipe pile connection structure.

[0013] (2) The utility model prevents the bidirectional screw from rotating and affecting the compressive strength of the steel pipe pile connection structure by clamping the inner wall of the fixing frame on the clamping groove and then fixing the second fixing screw on the protective plate on the connection structure body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the connecting structure body in the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the connecting structure body in the utility model;

[0017] Figure 4 This is a schematic diagram of the connection relationship between the screw nut and the fixing frame in the utility model;

[0018] In the figure: 1. connecting structure body; 2. steel pipe pile one; 3. steel pipe pile two; 4. fixing bolt one; 5. protective plate; 6. anti-pressure ring; 7. reinforcing ribs; 8. guide groove; 9. anti-pressure plate one; 10. lifting plate; 11. rotating rod one; 12. anti-pressure plate two; 13. rotating rod two; 14. screw cap; 15. bidirectional screw; 16. fixing frame; 17. fixing screw two; 18. slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, a steel pipe pile connection structure with compression resistance includes a connection structure body 1, the inner wall of the connection structure body 1 is rotatably connected with a bidirectional screw 15, both sides of the outer wall of the bidirectional screw 15 are threadedly connected with a second compression plate 12, both ends of the second compression plate 12 are rotatably connected with a second rotating rod 13, one end of the two rotating rods 13 are rotatably connected with a lifting plate 10, the inner wall of the connection structure body 1 is provided with a guide groove 8, and the inner wall of the guide groove 8 is slidably connected to the outer wall of the second compression plate 12 One end of the bidirectional screw 15 is fixedly connected with a screw nut 14. When the steel pipe pile 1 2 and the steel pipe pile 2 3 are fixed on the connection structure body 1, the bidirectional screw 15 is rotated, and the two pressure-resistant plates 2 12 move away from each other. The rotating rod 2 13 pulls the two lifting plates 10 downward, so that the two pressure-resistant plates 1 9 also move away from each other, and the two pressure-resistant plates 1 9 and the two pressure-resistant plates 2 12 support the inner walls of the steel pipe pile 1 2 and the steel pipe pile 2 3. This structure is simple, easy to use, and improves the pressure resistance of the steel pipe pile connection structure.

[0021] like Figure 1 - Figure 4 As shown, the outer wall of the screw cap 14 is provided with a plurality of slots 18, the inner wall of the slot 18 is slidably connected with a fixing frame 16, one side of the fixing frame 16 is fixedly connected with a protective plate 5, and the inner wall of the fixing frame 16 is clamped on the slot 18, and then the fixing screw 17 on the protective plate 5 is fixed to the connection structure body 1, so as to prevent the bidirectional screw 15 from rotating and affecting the compressive resistance of the steel pipe pile connection structure.

[0022] like Figure 4 As shown, four corners of one side of the protective plate 5 are threadedly connected with fixing screws 17, and one end of the fixing screw 17 is threadedly connected to the outer wall of the connecting structure body 1. The structural design of the protective plate 5 can prevent rainwater from dripping on the screw cap 14, causing corrosion and affecting the rotation of the bidirectional screw 15.

[0023] like Figure 1 - Figure 3As shown, a steel pipe pile 2 is arranged inside the connection structure body 1, and a fixing bolt 4 is threadedly connected to one side of the outer wall of the connection structure body 1, and one end of the fixing bolt 4 is threadedly connected to one side of the outer wall of the steel pipe pile 2, and a steel pipe pile 2 3 is arranged below the steel pipe pile 2, and the outer wall of the steel pipe pile 2 3 is slidably connected to one side of the inner wall of the connection structure body 1, and the steel pipe pile 2 and the steel pipe pile 2 3 are fixed to the connection structure body 1 by multiple fixing bolts 4.

[0024] like Figure 1 - Figure 3 As shown, a pressure-resistant ring 6 is fixedly connected to the other side of the outer wall of the connecting structure body 1, a reinforcing rib 7 is fixedly connected to one side of the outer wall of the pressure-resistant ring 6, and one side of the reinforcing rib 7 is fixedly connected to the outer wall of the connecting structure body 1. Through the cooperation between the reinforcing rib 7 and the pressure-resistant ring 6, the pressure resistance of the connecting structure body 1 can be improved.

[0025] like Figure 2 and Figure 3 As shown, a pressure-resistant plate 9 is provided between the two lifting plates 10, and both ends of the pressure-resistant plate 9 are rotatably connected with a rotating rod 11, and one end of the two rotating rods 11 is rotatably connected to one side of the two lifting plates 10 respectively. Through the two pressure-resistant plates 9, the other two sides of the inner wall of the steel pipe pile are also supported to prevent uneven force from causing deformation of the steel pipe pile.

[0026] The utility model provides a steel pipe pile connection structure with compression resistance, and the specific working principle is as follows:

[0027] When using the steel pipe pile connection structure, first place the connection structure body 1 on the steel pipe pile 23, then use a crane to put the steel pipe pile 2 into the connection structure body 1, turn the fixing bolt 4 to fix the steel pipe pile 2, then remove the protective plate 5, use a tool to turn the screw nut 14, the two pressure-resistant plates 2 12 move away from each other, and the rotating rod 2 13 pulls the two lifting plates 10 downward to make the two pressure-resistant plates 19 also move away from each other, so that the two pressure-resistant plates 19 and the two pressure-resistant plates 12 support the inner walls of the steel pipe pile 2 and the steel pipe pile 2 3, and then the inner wall of the fixing frame 16 on the protective plate 5 is clamped in the slot 18, and then the fixing screw 2 17 on the protective plate 5 is fixed to the connection structure body 1, and the installation is completed.

[0028] 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 steel pipe pile connection structure with compression resistance, comprising a connection structure body (1), characterized in that: The inner wall of the connecting structure body (1) is rotatably connected to a bidirectional screw rod (15), and the outer side walls of the bidirectional screw rod (15) are both threadedly connected to the second pressure-resistant plate (12), and the two ends of the second pressure-resistant plate (12) are rotatably connected to the second rotating rod (13), and one end of the two second rotating rods (13) is rotatably connected to the lifting plate (10), and the inner wall of the connecting structure body (1) is provided with a guide groove (8), and the inner wall of the guide groove (8) is slidably connected to the outer side wall of the second pressure-resistant plate (12), and one end of the bidirectional screw rod (15) is fixedly connected to a screw cap (14).

2. A steel pipe pile connection structure with compression resistance according to claim 1, characterized in that: The outer wall of the screw cap (14) is provided with a plurality of slots (18), the inner wall of the slot (18) is slidably connected to a fixing frame (16), and one side of the fixing frame (16) is fixedly connected to a protective plate (5).

3. A steel pipe pile connection structure with compression resistance according to claim 2, characterized in that: Four corners of one side of the protection plate (5) are threadedly connected with two fixing screws (17), and one end of the two fixing screws (17) is threadedly connected to the outer side wall of the connection structure body (1).

4. The steel pipe pile connection structure with compression resistance according to claim 1, characterized in that: A steel pipe pile (2) is arranged inside the connection structure body (1), and a fixing bolt (4) is threadedly connected to one side of the outer wall of the connection structure body (1), and one end of the fixing bolt (4) is threadedly connected to one side of the outer wall of the steel pipe pile (2). A steel pipe pile (3) is arranged below the steel pipe pile (2), and the outer wall of the steel pipe pile (3) is slidably connected to one side of the inner wall of the connection structure body (1).

5. The steel pipe pile connection structure with compression resistance according to claim 1, characterized in that: A pressure-resistant ring (6) is fixedly connected to the other side of the outer wall of the connection structure body (1), a reinforcing rib (7) is fixedly connected to one side of the outer wall of the pressure-resistant ring (6), and one side of the reinforcing rib (7) is fixedly connected to the outer wall of the connection structure body (1).

6. The steel pipe pile connection structure with compression resistance according to claim 1, characterized in that: A pressure-resistant plate (9) is provided between the two lifting plates (10), and both ends of the pressure-resistant plate (9) are rotatably connected to a rotating rod (11), and one end of the two rotating rods (11) is rotatably connected to one side of the two lifting plates (10), respectively.