Waterproof anti-collapse high-strength concrete pipe pile
The design of the limiting mechanism solves the problem of misalignment during the connection of concrete pipe piles, realizes coaxial connection and flexibly adapts to concrete pipe piles of different sizes, and improves the stability and applicability of concrete pipe piles.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUZHOU XINHE NEW BUILDING MATERIALS CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-07-03
AI Technical Summary
Existing concrete pipe piles are prone to displacement and tilting after docking, resulting in a non-coaxial state, making stable docking and welding difficult.
A limiting mechanism is adopted, including a U-shaped connecting plate, a first arc plate, a connecting piece and bolts, in conjunction with a positioning mechanism and anti-slip pads, to ensure that the concrete pipe piles remain coaxial during docking. The replaceable arc plate can adapt to different sizes, thereby improving docking stability.
This achieves stability and flexibility in the connection of concrete pipe piles, ensures coaxiality of the connection and feasibility of welding, and improves the practicality and applicability of concrete pipe piles.
Smart Images

Figure CN224451593U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete pipe pile technology, and in particular to a water-resistant and collapse-proof high-strength concrete pipe pile. Background Technology
[0002] Chinese patent document CN219343144U discloses a high-strength prestressed, water-resistant, and collapse-resistant concrete pipe pile, comprising a concrete pipe pile body, a top interface fixed at the top of the concrete pipe pile body, and a bottom interface fixed at the bottom of the concrete pipe pile body. A spigot is formed in the top interface, and a first sealing gasket is tightly bonded to the inner bottom wall of the spigot. A spigot ring extending downwards is fixed on the bottom interface, and a second sealing gasket is tightly bonded to the outer wall of the spigot ring. Reinforcing steel bars are pre-embedded inside the concrete pipe pile body, and an outer reinforcing ring is fixed to the outer wall of the reinforcing steel bars. A connecting column is connected to the inner side of the outer reinforcing ring, and an inner reinforcing ring close to the reinforcing steel bars is connected to the inner end of the connecting column. An anti-permeability layer and a waterproof membrane are attached to the interior of the concrete pipe pile body. Compared with existing ordinary concrete pipe piles, it has the advantages of high prestress and excellent water resistance.
[0003] However, if one set of concrete pipe piles shifts or tilts relative to another set of concrete pipe piles after the joint is connected but before welding, the unwelded joint will be subjected to concentrated force and will deform, resulting in the two concrete pipe piles being out of sync and difficult to connect and weld. Therefore, we propose a water-resistant and collapse-proof high-strength concrete pipe pile. Utility Model Content
[0004] The purpose of this invention is to provide a water-resistant and collapse-proof high-strength concrete pipe pile, which can solve the problem that some existing concrete pipe piles cannot be stably connected and welded.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a water-resistant and collapse-proof high-strength concrete pipe pile, comprising:
[0006] Concrete pipe pile body;
[0007] A limiting mechanism is installed on the concrete pipe pile body. The limiting mechanism includes a U-shaped connecting plate, a first arc plate, connecting pieces, bolts, and a second arc plate. A U-shaped connecting plate is installed on the outer side of the concrete pipe pile body. A set of first arc plates is installed at both ends of the U-shaped connecting plate. Two sets of connecting pieces are fixedly installed on the outer surface of the two sets of first arc plates. Each end of the U-shaped connecting plate is located between two corresponding pairs of connecting pieces. Two sets of bolts that pass through the U-shaped connecting plate are threaded onto the two pairs of connecting pieces. A set of second arc plates is hinged on both sets of first arc plates. One set of first arc plates and the second arc plate are in contact with the outer surface of the concrete pipe pile body.
[0008] Preferably, the limiting mechanism further includes a docking block, a handle, and a positioning mechanism. A docking block is integrally formed on each of the two sets of first arc plates, and a docking interface is opened on each of the two sets of second arc plates. The two sets of docking blocks are snapped into the corresponding docking interfaces. A positioning mechanism is provided on each of the two sets of second arc plates, and a handle is fixedly installed on the U-shaped connecting plate.
[0009] Preferably, the positioning mechanism includes a positioning rod, a handle, and a spring. A set of positioning rods is movably passed through each of the two sets of second arc-shaped plates. A set of positioning grooves is opened on each of the two sets of docking blocks. One end of each set of positioning rods is inserted into the corresponding positioning groove. A set of handles is fixedly installed on the other end of each set of positioning rods. A set of springs is sleeved on each of the two sets of positioning rods. The two ends of each set of springs are fixedly connected to the corresponding handles and second arc-shaped plates.
[0010] Preferably, a set of anti-slip pads is fixedly installed on the inner walls of both sets of the first and second arc-shaped plates.
[0011] Preferably, a concave connector is fixedly installed at one end of the concrete pipe pile body, and a convex connector is fixedly installed at the other end of the concrete pipe pile body.
[0012] Preferably, a set of sealing rings is fixedly installed on the inner wall of the concave mating part and the bottom of the convex mating part.
[0013] Preferably, the outer surface of the concrete pipe pile body is provided with a waterproof membrane.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] (1) The water-resistant and collapse-proof high-strength concrete pipe pile, through the limiting mechanism, can help the two sets of concrete pipe pile bodies to maintain coaxiality and avoid relative displacement when the two sets of concrete pipe pile bodies are connected, thus ensuring the stability of the connection between the two sets of concrete pipe pile bodies. This solves the problem that if one set of concrete pipe piles is offset or tilted relative to the other set of concrete pipe piles after the existing concrete pipe piles are connected through the interface and before welding, the unwelded interface will be subjected to concentrated force and deformed, resulting in the two concrete pipe piles being in a non-coaxial state, making it difficult to connect and weld. This improves the practicality of the concrete pipe pile.
[0016] (2) The water-resistant and collapse-proof high-strength concrete pipe pile can replace the first arc plate and the second arc plate of different sizes through the cooperation of U-shaped connecting plate, first arc plate, connecting piece and bolt, so as to assist in fixing concrete pipe piles of different sizes, improve the flexibility and applicability of concrete pipe piles, ensure the use effect of concrete pipe piles, and facilitate the promotion and use of concrete pipe piles. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0018] Figure 1 This is a frontal perspective view of the present invention;
[0019] Figure 2 This is a schematic diagram of the limiting mechanism of this utility model;
[0020] Figure 3 for Figure 2 Enlarged view of the structure at point A in the middle.
[0021] Reference numerals in the attached drawings: 1. Concrete pipe pile body; 2. Limiting mechanism; 21. U-shaped connecting plate; 22. First arc plate; 23. Connecting piece; 24. Bolt; 25. Second arc plate; 26. Connecting block; 27. Handle; 28. Positioning mechanism; 281. Positioning rod; 282. Pull handle; 283. Spring; 3. Anti-slip pad; 4. Concave connecting piece; 5. Convex connecting piece; 6. Sealing ring. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Please see Figure 1-3This utility model provides a technical solution: a water-resistant and collapse-proof high-strength concrete pipe pile, including a concrete pipe pile body 1 and a limiting mechanism 2. The limiting mechanism 2 is disposed on the concrete pipe pile body 1 and includes a U-shaped connecting plate 21, a first arc plate 22, connecting pieces 23, bolts 24, and a second arc plate 25. A U-shaped connecting plate 21 is disposed on the outer side of the concrete pipe pile body 1. A set of first arc plates 22 is disposed at both ends of the U-shaped connecting plate 21. Two sets of connecting pieces 23 are fixedly installed on the outer surface of the two sets of first arc plates 22. Each end of the U-shaped connecting plate 21 is disposed between two corresponding pairs of connecting pieces 23. Two sets of bolts 24 are threaded onto each pair of connecting pieces 23 and pass through the U-shaped connecting plate 21. A set of second arc plates 25 are hinged onto each of the two sets of first arc plates 22. The arc-shaped plate 25, wherein a set of first arc-shaped plates 22 and second arc-shaped plates 25 are attached to the outer surface of the concrete pipe pile body 1. A concave connecting piece 4 is fixedly installed at one end of the concrete pipe pile body 1, and a convex connecting piece 5 is fixedly installed at the other end of the concrete pipe pile body 1. A set of sealing rings 6 are fixedly installed on the inner wall of the concave connecting piece 4 and the bottom of the convex connecting piece 5. A waterproof membrane is provided on the outer surface of the concrete pipe pile body 1. Through the cooperation of the U-shaped connecting plate 21, the first arc-shaped plate 22, the connecting piece 23 and the bolt 24, the first arc-shaped plate 22 and the second arc-shaped plate 25 of different sizes can be replaced to assist in fixing concrete pipe piles of different sizes, thereby improving the flexibility and applicability of the concrete pipe pile, ensuring the use effect of the concrete pipe pile, and facilitating the promotion and use of concrete pipe piles.
[0024] The limiting mechanism 2 also includes a docking block 26, a handle 27, and a positioning mechanism 28. A set of docking blocks 26 is integrally formed on each of the two sets of first arc plates 22. A set of mating interfaces is opened on each of the two sets of second arc plates 25. The two sets of docking blocks 26 are snapped into the corresponding mating interfaces. A set of positioning mechanisms 28 is provided on each of the two sets of second arc plates 25. A handle 27 is fixedly installed on the U-shaped connecting plate 21.
[0025] The positioning mechanism 28 includes a positioning rod 281, a handle 282, and a spring 283. A positioning rod 281 is movably inserted through each of the two sets of second arc-shaped plates 25. A positioning groove is formed on each of the two sets of connecting blocks 26. One end of each positioning rod 281 is inserted into the corresponding positioning groove, and a handle 282 is fixedly installed on the other end of each positioning rod 281. A spring 283 is sleeved on each of the two sets of positioning rods 281. Both ends of each spring 283 are fixedly connected to the corresponding handle 282 and the second arc-shaped plate 25. The two sets of first arc-shaped plates 22 and second arc-shaped plates 25... Each inner wall is fixedly equipped with a set of anti-slip pads 3. Through the limiting mechanism 2, when the two sets of concrete pipe pile bodies 1 are connected, they can help the two sets of concrete pipe pile bodies 1 to keep coaxial and avoid relative displacement, thus ensuring the stability of the connection between the two sets of concrete pipe pile bodies 1. This solves the problem that if one set of concrete pipe piles is offset or tilted relative to the other set of concrete pipe piles after the joint is connected but before welding, the unwelded joint will be subjected to concentrated force and deform, resulting in the two concrete pipe piles being in a non-coaxial state, making it difficult to connect and weld. This improves the practicality of concrete pipe piles.
[0026] Working principle: When the limiting mechanism 2 is opened, the handle 282 is pulled, the spring 283 is stretched and the positioning rod 281 is driven to disengage from the positioning groove on the docking block 26. The second arc plate 25 then rotates open from the first arc plate 22. When the two sets of concrete pipe pile bodies 1 are docked, the limiting mechanism 2 is first opened and removed. The convex docking piece 5 on one set of concrete pipe pile bodies 1 is inserted into the sealing ring 6 on the other set of concrete pipe pile bodies 1. Then, the two sets of first arc plates 22 on the limiting mechanism 2 are fastened onto the two sets of concrete pipe pile bodies 1 respectively. Then, the two sets of second arc plates 25 are rotated and closed according to the above steps and locked by the positioning mechanism 28. The limiting mechanism 2 is then fitted onto the two sets of concrete pipe pile bodies 1 through the two sets of first arc plates 22 and the two sets of second arc plates 25. Then, the two sets of concrete pipe pile bodies 1 can be welded.
[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A water-resistant anti-collapse high-strength concrete pipe pile, characterized in that, include: Concrete pipe pile body (1); The limiting mechanism (2) is installed on the concrete pipe pile body (1). The limiting mechanism (2) includes a U-shaped connecting plate (21), a first arc plate (22), a connecting piece (23), a bolt (24), and a second arc plate (25). The U-shaped connecting plate (21) is provided on the outside of the concrete pipe pile body (1). A set of first arc plates (22) is provided at both ends of the U-shaped connecting plate (21). The outer surfaces of the two sets of first arc plates (22) are fixedly installed. There are two sets of connecting plates (23). The two ends of the U-shaped connecting plate (21) are respectively set between the two pairs of connecting plates (23). Two sets of bolts (24) that pass through the U-shaped connecting plate (21) are threaded on both pairs of connecting plates (23). A set of second arc plates (25) is hinged on both sets of first arc plates (22). One set of first arc plates (22) and second arc plates (25) are in contact with the outer surface of the concrete pipe pile body (1).
2. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 1, characterized in that: The limiting mechanism (2) also includes a docking block (26), a handle (27) and a positioning mechanism (28). A set of docking blocks (26) is integrally formed on both sets of first arc plates (22). A set of mating interfaces is opened on both sets of second arc plates (25). Both sets of docking blocks (26) are snapped into the corresponding mating interfaces. A set of positioning mechanisms (28) is provided on both sets of second arc plates (25). A handle (27) is fixedly installed on the U-shaped connecting plate (21).
3. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 2, characterized in that: The positioning mechanism (28) includes a positioning rod (281), a handle (282), and a spring (283). A set of positioning rods (281) is movably passed through each of the two sets of second arc plates (25). A set of positioning grooves is opened on each of the two sets of docking blocks (26). One end of each set of positioning rods (281) is inserted into the corresponding positioning groove. A set of handles (282) is fixedly installed on the other end of each set of positioning rods (281). A set of springs (283) is sleeved on each of the two sets of positioning rods (281). The two ends of each set of springs (283) are fixedly connected to the corresponding handles (282) and the second arc plate (25).
4. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 3, characterized in that: A set of anti-slip pads (3) are fixedly installed on the inner walls of both sets of the first arc plate (22) and the second arc plate (25).
5. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 4, characterized in that: A concave connector (4) is fixedly installed at one end of the concrete pipe pile body (1), and a convex connector (5) is fixedly installed at the other end of the concrete pipe pile body (1).
6. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 5, characterized in that: A set of sealing rings (6) are fixedly installed on the inner wall of the concave mating part (4) and the bottom of the convex mating part (5).
7. The water-resistant anti-collapse high-strength concrete pipe pile according to claim 6, characterized in that: The outer surface of the concrete pipe pile body (1) is provided with a waterproof membrane.