Connecting structure of cathode protection pile cap and cathode protection pile upper column
By employing a combination of embedded connection and bolted connection between the pile cap and the inner column of the protective pile, the instability of the pile cap caused by external influences in the outdoor environment is solved, achieving higher stability and convenient maintenance.
Patent Information
- Application Number
- CN202422894286.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing connection structure between the pile cap and the upper column of the protective pile is prone to tilting, shaking or falling off in outdoor environments due to geological disasters, human damage or construction impacts, which increases maintenance costs and makes maintenance inconvenient.
The combination of embedded connection and bolted connection is adopted. By setting embedded columns, connecting columns and connecting holes between the upper column and the pile cap, the connection stability is enhanced, and the position of the pile cap can be temporarily adjusted when needed using struts, which facilitates maintenance.
It improves the stability of the pile cap, reduces the risk of tilting and falling due to external influences, simplifies the maintenance process, and reduces maintenance costs.
Smart Images

Figure CN223535704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a cathode protection pile, specifically a connection structure between a cathode protection pile cap and a cathode protection pile upper column. Background Technology
[0002] Along long-distance oil or gas pipelines, numerous cathodic protection piles are distributed. These piles integrate intelligent BeiDou modules, enabling precise location monitoring. The pipeline operating company's control center can monitor the coordinates of the cathodic protection piles in real time. If a pile shifts (due to geological disasters, human damage, or construction impacts), its new location can be quickly determined using BeiDou positioning, facilitating timely repair and protection measures.
[0003] A cathode-rayed concrete (CRC) pile consists of a lower column, an upper column, and a pile cap. The lower column is buried underground, while the upper column is above ground. The pile cap is fixed to the top of the upper column. Currently, the pile cap is installed by creating threaded holes at the bottom and top of the upper column, then fitting the pile cap onto the top of the upper column and securing it with bolts. However, CRC piles are installed outdoors, in fields, or in the wild, making them susceptible to geological disasters, human damage, or construction-related issues. Simple bolt connections are prone to causing the pile cap to tilt, wobble, or even fall off after these impacts, increasing maintenance costs and potentially affecting the overall management of the CRC piles. Utility Model Content
[0004] To address the shortcomings of the existing technology, this utility model provides a connection structure between the pile cap and the upper column of the pile. This utility model enhances the stability of the pile cap by embedding the pile cap and the upper column and bolting the connecting column and the connecting hole, greatly reducing the phenomenon of the pile cap tilting, shaking, or even falling off due to geological disasters, human damage, or construction impacts. It has low maintenance costs and is easy to use.
[0005] To achieve the above technical objectives, the present invention adopts the following technical solution: a connection structure between a cathode protection pile cap and a cathode protection pile upper column, comprising an upper column and a pile cap;
[0006] The upper column has an elongated hole, and a support block is provided on the upper outer wall of the upper column. The support block is provided with multiple connecting columns, and the connecting columns have threaded holes.
[0007] The lower end of the pile cap is provided with an installation section, which is annular in shape. An embedded column is coaxially provided on the installation section. The embedded column is embedded into the elongated hole, and a groove is formed between the installation section and the embedded column. The upper end of the upper column is embedded in the groove. A connecting hole is opened on the bottom surface of the installation section, and a fixing hole is opened on the outer wall. The connecting hole communicates with the fixing hole. The connecting column extends into the connecting hole, and the fixing hole corresponds to the threaded hole of the connecting column.
[0008] The support block is circular, and the inner circle of the support block is welded and fixed to the upper outer wall of the upper column.
[0009] A section of the sidewall of the connecting post is cut off along the axial direction to form a small plane, and the threaded hole of the connecting post is opened on the small plane; the number of connecting posts is equal to the number of connecting holes.
[0010] The threaded hole of the connecting column is a blind hole.
[0011] The embedded post has a through hole, and the through hole and the elongated hole are used for threading.
[0012] It also includes support rods, the number of which is equal to the number of connecting columns. One end of each support rod is provided with a support post, and the other end is provided with a support hole. The support post can extend into the connecting hole, and the support hole can be fitted onto the connecting column.
[0013] The outer diameter of the support column is smaller than the inner diameter of the connecting hole, and the inner diameter of the support hole is larger than the outer diameter of the connecting column.
[0014] The outer wall of the upper column has a storage compartment, and the support rod can be stored in the storage compartment.
[0015] In summary, this utility model achieves the following technical effects:
[0016] This utility model utilizes the two embedding functions of the elongated hole and the embedded column, and the connecting column and the connecting hole to tightly connect the pile cap and the upper column together, and further improves the stability by combining bolt connection.
[0017] This utility model features a support rod that increases the height of the pile cap, allowing for maintenance without completely removing the pile cap, making it simple and convenient. Attached Figure Description
[0018] Figure 1 The diagram shown is of the upper part of the cathode protection pile;
[0019] Figure 2 yes Figure 1 A schematic diagram of the decomposition process;
[0020] Figure 3 yes Figure 2 Enlarged diagram of part A in the middle;
[0021] Figure 4 This is a schematic diagram of a pile cap;
[0022] Figure 5 This is a schematic diagram of adding a support rod;
[0023] Figure 6 This is a diagram of a strut. Detailed Implementation
[0024] The present invention will be further described in detail below with reference to the accompanying drawings.
[0025] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0029] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0030] Example:
[0031] like Figure 1 The diagram shows the upper part of a cathode-protected pile, including an upper column 1 and a pile cap 2; a connection structure between the cathode-protected pile cap and the upper column of the cathode-protected pile. Figure 2 yes Figure 1 A diagram showing the breakdown of the diagram. Figure 3 yes Figure 2 Enlarged diagram of part A in the middle. Figure 4 This is a schematic diagram of a pile cap.
[0032] like Figure 3 , Figure 4 As shown, the upper column 1 has an elongated hole 12, and the lower end of the pile cap 2 is provided with an installation section 21. The installation section 21 is annular, and an embedded column 22 is coaxially provided on the installation section 21. The embedded column 22 is embedded into the elongated hole 12, and a groove 24 is formed between the installation section 21 and the embedded column 22. The upper end of the upper column 1 is embedded in the groove 24. This utility model utilizes the embedding effect of the groove to tightly connect the pile cap and the upper column together.
[0033] The upper outer wall of the upper column 1 is provided with a support block 11, and the support block 11 is provided with multiple connecting columns 13. The connecting columns 13 have threaded holes 15. The bottom surface of the mounting section 21 has a connecting hole 25 and the outer wall has a fixing hole 26. The connecting hole 25 communicates with the fixing hole 26. The connecting column 13 extends into the connecting hole 25, and the fixing hole 26 corresponds to the threaded hole 15. This utility model extends the connecting column into the connecting hole and uses bolts to fix the connecting column to the mounting section, thereby enhancing the stability of the pile cap. The connecting column extending into the connecting hole increases the tightness and stability of the connection through embedded connection, and the stability is further improved by the bolt connection.
[0034] like Figure 3 As shown, the support block 11 is annular, and the inner circle of the support block 11 is welded and fixed to the upper outer wall of the upper column 1 to facilitate the installation of the connecting column 13.
[0035] A section of the sidewall of the connecting column 13 is cut off along the axial direction to form a small plane 14, and the threaded hole 15 of the connecting column is formed on the small plane 14; the number of connecting columns 13 is equal to the number of connecting holes 25. The small plane 14 facilitates bolt connection and allows the pile cap to be separated from the connecting column without completely removing the bolts during disassembly, leaving the bolts on the installation section to prevent loss, which would be difficult to find in the field if lost.
[0036] The threaded hole 15 of the connecting column is a blind hole, so the bolt will not hit the upper column to prevent damage.
[0037] like Figure 4 As shown, the embedded post 22 has a through hole 23, and the through hole 23 and the elongated hole 12 are used for threading.
[0038] Figure 5 This is a schematic diagram of adding a support rod. Figure 6 This is a schematic diagram of a support rod, which also includes support rods 3. The number of support rods 3 is equal to the number of connecting columns 13. One end of each support rod 3 has a support column 32, and the other end has a support hole 31. The support column 32 can extend into the connecting hole 25, and the support hole 31 can be fitted onto the connecting column 13. When temporary maintenance or inspection is required, the bolts in the fixing hole 26 are tightened outward to separate the pile cap from the upper column. The upper end of the support rod is inserted into the connecting hole 25, and the lower end is fitted onto the connecting column 13. The support rod 3 is slightly higher, allowing the pile cap to be placed in a slightly higher position, exposing the internal cables for easy cable maintenance.
[0039] The outer diameter of the support column 32 is smaller than the inner diameter of the connecting hole 25, and the inner diameter of the support hole 31 is larger than the outer diameter of the connecting column 13, which facilitates insertion and fitting. At this time, it is only necessary to ensure that the pile cap does not fall off, and the pile cap will not fall off even if it shakes.
[0040] The outer wall of the upper column 1 has a storage compartment (not shown), and the support rod 3 can be stored in the storage compartment for easy maintenance. It can be taken out and used directly. It can also be carried by maintenance workers.
[0041] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims
1. A connection structure between a cathode-insulated pile cap and a cathode-insulated pile upper column, characterized in that: Includes the upper column (1) and the pile cap (2); The upper column (1) has an elongated hole (12), and the upper outer wall of the upper column (1) is provided with a support block (11). The support block (11) is provided with a plurality of connecting columns (13), and the connecting columns (13) have connecting threaded holes (15). The lower end of the pile cap (2) is provided with an installation section (21), which is annular. An embedded column (22) is coaxially provided on the installation section (21). The embedded column (22) is embedded into the elongated hole (12). A groove (24) is formed between the installation section (21) and the embedded column (22). The upper end of the upper column (1) is embedded in the groove (24). A connecting hole (25) is opened on the bottom surface of the installation section (21), and a fixing hole (26) is opened on the outer wall. The connecting hole (25) communicates with the fixing hole (26). The connecting column (13) extends into the connecting hole (25), and the fixing hole (26) corresponds to the threaded hole (15) of the connecting column.
2. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 1, characterized in that: The support block (11) is annular, and the inner circle of the support block (11) is welded and fixed to the upper outer wall of the upper column (1).
3. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 1, characterized in that: A section of the sidewall of the connecting post (13) is cut off along the axial direction to form a small plane (14), and the threaded hole (15) of the connecting post is opened on the small plane (14); the number of connecting posts (13) is equal to the number of connecting holes (25).
4. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 1, characterized in that: The threaded hole (15) of the connecting column is a blind hole.
5. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 1, characterized in that: The embedded post (22) has a through hole (23), and the through hole (23) and the elongated hole (12) are used for threading.
6. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 1, characterized in that: It also includes support rods (3), the number of which is equal to the number of connecting columns (13). One end of the support rod (3) is provided with a support column (32) and the other end is provided with a support hole (31). The support column (32) can be inserted into the connecting hole (25) and the support hole (31) can be fitted onto the connecting column (13).
7. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 6, characterized in that: The outer diameter of the support column (32) is smaller than the inner diameter of the connecting hole (25), and the inner diameter of the support hole (31) is larger than the outer diameter of the connecting column (13).
8. The connection structure between the cathode protection pile cap and the cathode protection pile upper column according to claim 6, characterized in that: The outer wall of the upper column (1) has a storage compartment, and the support rod (3) can be stored in the storage compartment.