Prestressed high-strength concrete pipe pile

Abstract

The utility model relates to concrete pipe pile technical field discloses prestressed high strength concrete pipe pile, including the pile body, the inside of the pile body is provided with the inner chamber, the inside fixed connection of the pile body has a plurality of groups of prestressed reinforcement, the bottom of the pile body is provided with quick -witted connection structure, when using, through the top fixed connection of the first connecting seat of the pile body and the pile tip, the bottom fixed connection of the pile body three groups of second connecting seat, the first connecting seat and second connecting seat position and size match, the inside of first connecting seat is provided with first limit hole, the inside of second connecting seat is provided with second limit hole, first limit hole and second limit hole size and position match, after the close adhesion of first connecting seat and second connecting seat, through three groups of bolt passes through corresponding first limit hole and second limit hole to realize the quick connection of the pile tip and the quick connection between pipe pile, and further satisfy the demand of superlong pipe pile.

Description

Technical Field

[0001] This utility model relates to the field of concrete pipe pile technology, specifically to prestressed high-strength concrete pipe piles. Background Technology

[0002] Prestressed high-strength concrete pipe piles are precast components made by combining high-strength concrete with prestressing technology, and are widely used in building pile foundations, bridges, port terminals and other projects.

[0003] When long pipe piles are required, using ultra-long precast piles directly will increase transportation and manufacturing costs. If multiple pipe piles are spliced ​​together, welding or flange connections are usually used, which is inconvenient and affects the construction period.

[0004] Now, prestressed high-strength concrete pipe piles are proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide prestressed high-strength concrete pipe piles to solve the problem of inconvenient splicing of multi-section pipe piles mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a prestressed high-strength concrete pipe pile, including a pile body, an inner cavity being provided inside the pile body, multiple sets of prestressed steel bars being fixedly connected inside the pile body, spiral bars being fixedly connected to the outer side of the multiple sets of prestressed steel bars, a pile tip being provided on the lower side of the pile body, and a quick-connect structure being provided at the bottom end of the pile body.

[0007] The quick connection structure includes three sets of first connecting seats, which are fixedly connected to the top of the pile body and the top of the pile tip respectively. The three sets of first connecting seats have first limiting holes inside. The bottom end of the pile body is fixedly connected to three sets of second connecting seats, which have three sets of second limiting holes inside.

[0008] As a further technical solution of this utility model, the three sets of second connecting seats are arranged at equal angles, the three sets of second limiting holes are arranged at angles, the second connecting seats and the second limiting holes can fit tightly together, and the positions and sizes of the first limiting holes and the second limiting holes are matched.

[0009] As a further technical solution of this utility model, a fixing seat is fixedly connected to the top of the outer side of the pile body, a limiting ring is sleeved on the bottom end of the fixing seat, and two sets of ring lugs are fixedly connected to the left and right sides of the limiting ring.

[0010] As a further technical solution of this utility model, the two sets of ring ears are arranged symmetrically, the inner diameter of the limiting ring matches the outer diameter of the pile body, and the limiting ring is fixedly connected to the pile body.

[0011] As a further technical solution of this utility model, multiple sets of reinforcing rings are fixedly connected inside the multiple sets of prestressed steel bars, and three sets of support rods are fixedly connected inside the multiple sets of reinforcing rings respectively.

[0012] As a further technical solution of this utility model, the multiple sets of reinforcing rings are distributed at equal intervals, the three sets of support rods are fixed in a triangular shape, and the outer side of the reinforcing rings is closely fitted with the inner side of the prestressed steel bars.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the prestressed high-strength concrete pipe pile not only realizes the rapid connection between pipe piles, but also facilitates the lifting of pipe piles, and further strengthens the prestress of the pipe piles;

[0014] (1) By setting a first connecting seat, a first limiting hole, a second connecting seat and a second limiting hole, when in use, the first connecting seat is fixedly connected to the top of the pile body and the top of the pile tip, and three sets of second connecting seats are fixedly connected to the bottom of the pile body. The positions and sizes of the first connecting seat and the second connecting seat are matched. The first limiting hole is opened inside the first connecting seat, and the second limiting hole is opened inside the second connecting seat. The sizes and positions of the first limiting hole and the second limiting hole are matched. After the first connecting seat and the second connecting seat are tightly fitted, the three sets of pins pass through the corresponding first limiting hole and the second limiting hole, thereby realizing the rapid connection of the pile tip and the rapid connection between the pipe piles, thus meeting the needs of ultra-long pipe piles.

[0015] (2) By setting a fixed seat, a limiting ring and ring ears, when in use, the fixed seat is fixedly connected to the top of the outer side of the pile body, and the limiting ring is fixedly connected to the bottom of the fixed seat. The inner diameter of the limiting ring matches the outer diameter of the pile body. Two sets of ring ears are fixedly connected to the left and right sides of the limiting ring, which facilitates the lifting of the pipe pile. Compared with the traditional binding lifting, it significantly improves work efficiency.

[0016] (3) By setting up reinforcing rings and support rods, during use, during prefabrication, reinforcing rings are fixedly connected at certain intervals inside the prestressed steel bars. The outer side of the reinforcing rings is welded to the prestressed steel bars, and three sets of support rods are welded inside the reinforcing rings. The support rods are fixed in a triangular shape. The reinforcing rings fix multiple sets of prestressed steel bars into a whole, which can effectively avoid the phenomenon of single-set bending of prestressed steel bars. The prestressed steel bars restrain each other, thereby further strengthening the prestress of the pipe pile. Attached Figure Description

[0017] Figure 1 This is a frontal cross-sectional view of the present invention.

[0018] Figure 2 This is a top view cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a top view schematic diagram of the reinforcing ring structure of this utility model;

[0020] Figure 4 This is a bottom view of the second connecting seat structure of this utility model;

[0021] Figure 5 This is a top view of the first connecting seat of this utility model.

[0022] In the diagram: 1. Pile body; 2. Inner cavity; 3. Prestressed steel bar; 4. Spiral reinforcement; 5. Pile tip; 6. First connecting seat; 7. First limiting hole; 8. Second connecting seat; 9. Second limiting hole; 10. Fixing seat; 11. Limiting ring; 12. Ring lug; 13. Reinforcing ring; 14. Support rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figure 1-5 The prestressed high-strength concrete pipe pile includes a pile body 1, an inner cavity 2 inside the pile body 1, multiple sets of prestressed steel bars 3 fixedly connected inside the pile body 1, spiral bars 4 fixedly connected to the outside of the multiple sets of prestressed steel bars 3, a pile tip 5 on the lower side of the pile body 1, and a quick connection structure at the bottom end of the pile body 1.

[0025] Please see Figure 1-5 The prestressed high-strength concrete pipe pile also includes a quick connection structure, which includes three sets of first connecting seats 6. The three sets of first connecting seats 6 are respectively fixedly connected to the top of the pile body 1 and the pile tip 5. The three sets of first connecting seats 6 have first limiting holes 7 inside. The bottom end of the pile body 1 is fixedly connected to three sets of second connecting seats 8. The three sets of second connecting seats 8 have three sets of second limiting holes 9 inside.

[0026] The three sets of second connecting seats 8 are arranged at equal angles, and the three sets of second limiting holes 9 are arranged at angles. The second connecting seats 8 and the second limiting holes 9 can fit tightly together, and the positions and sizes of the first limiting hole 7 and the second limiting hole 9 are matched.

[0027] Specifically, such as Figure 1 , Figure 4 and Figure 5As shown, in use, a first connecting seat 6 is fixedly connected to the top of the pile body 1 and the pile tip 5, and three sets of second connecting seats 8 are fixedly connected to the bottom of the pile body 1. The positions and dimensions of the first connecting seat 6 and the second connecting seat 8 are matched. A first limiting hole 7 is opened inside the first connecting seat 6, and a second limiting hole 9 is opened inside the second connecting seat 8. The dimensions and positions of the first limiting hole 7 and the second limiting hole 9 are matched. After the first connecting seat 6 and the second connecting seat 8 are tightly fitted, three sets of pins pass through the corresponding first limiting hole 7 and second limiting hole 9, thereby realizing the rapid connection of the pile tip 5 and the rapid connection between pipe piles, thus meeting the needs of ultra-long pipe piles.

[0028] A fixed seat 10 is fixedly connected to the top of the outer side of the pile body 1. A limiting ring 11 is sleeved on the bottom of the fixed seat 10. Two sets of ring ears 12 are fixedly connected to the left and right sides of the limiting ring 11. The two sets of ring ears 12 are arranged symmetrically. The inner diameter of the limiting ring 11 matches the outer diameter of the pile body 1. The limiting ring 11 is fixedly connected to the pile body 1.

[0029] Specifically, such as Figure 1 As shown, during use, a fixing seat 10 is fixedly connected to the top of the outer side of the pile body 1, and a limiting ring 11 is fixedly connected to the bottom of the fixing seat 10. The inner diameter of the limiting ring 11 matches the outer diameter of the pile body 1. Two sets of ring ears 12 are fixedly connected to the left and right sides of the limiting ring 11, which facilitates the lifting of the pipe pile. Compared with the traditional binding lifting method, it significantly improves work efficiency.

[0030] Multiple sets of prestressed steel bars 3 are internally fixedly connected to multiple sets of reinforcing rings 13. Each set of reinforcing rings 13 is internally fixedly connected to three sets of support rods 14. The multiple sets of reinforcing rings 13 are evenly distributed, and the three sets of support rods 14 are fixed in a triangular shape. The outer side of the reinforcing rings 13 is tightly fitted to the inner side of the prestressed steel bars 3.

[0031] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, during use, during prefabrication, reinforcing rings 13 are fixedly connected at certain intervals inside the prestressed steel bars 3. The outer side of the reinforcing rings 13 is welded to the prestressed steel bars 3, and three sets of support rods 14 are welded inside the reinforcing rings 13. The support rods 14 are fixed in a triangular shape. The reinforcing rings 13 fix multiple sets of prestressed steel bars 3 into a whole, which can effectively avoid the phenomenon of single-set bending of the prestressed steel bars 3. The prestressed steel bars 3 are mutually constrained, thereby further strengthening the prestress of the pipe pile.

[0032] Working Principle: In use, this utility model firstly connects a first connecting seat 6 to the top of the pile body 1 and the pile tip 5, and three sets of second connecting seats 8 are fixedly connected to the bottom of the pile body 1. The positions and dimensions of the first connecting seat 6 and the second connecting seat 8 are matched. A first limiting hole 7 is opened inside the first connecting seat 6, and a second limiting hole 9 is opened inside the second connecting seat 8. The dimensions and positions of the first limiting hole 7 and the second limiting hole 9 are matched. After the first connecting seat 6 and the second connecting seat 8 are tightly fitted, three sets of pins pass through the corresponding first limiting hole 7 and second limiting hole 9, thereby realizing the rapid connection of the pile tip 5 and the rapid connection between pipe piles, thus meeting the needs of ultra-long pipe piles. Secondly, a fixed connection is made to the top of the outer side of the pile body 1. The fixed seat 10 has a limiting ring 11 fixedly connected to its bottom end. The inner diameter of the limiting ring 11 matches the outer diameter of the pile body 1. Two sets of ring ears 12 are fixedly connected to the left and right sides of the limiting ring 11, which facilitates the lifting of the pipe pile. Compared with the traditional binding lifting method, this significantly improves work efficiency. At the same time, during prefabrication, reinforcing rings 13 are fixedly connected at certain intervals inside the prestressed steel bars 3. The outer side of the reinforcing ring 13 is welded to the prestressed steel bars 3, and three sets of support rods 14 are welded inside the reinforcing ring 13. The support rods 14 are fixed in a triangular shape. The reinforcing ring 13 fixes multiple sets of prestressed steel bars 3 into a whole, which can effectively avoid the phenomenon of single-set bending of the prestressed steel bars 3. The prestressed steel bars 3 restrain each other, thereby further strengthening the prestress of the pipe pile.

Claims

1. A prestressed high-strength concrete pipe pile, comprising a pile body (1), characterized in that: The pile body (1) has an inner cavity (2) inside. Multiple sets of prestressed steel bars (3) are fixedly connected inside the pile body (1). Spiral bars (4) are fixedly connected to the outside of the multiple sets of prestressed steel bars (3). A pile tip (5) is provided on the lower side of the pile body (1). A quick connection structure is provided at the bottom end of the pile body (1). The quick connection structure includes three sets of first connecting seats (6), which are fixedly connected to the top of the pile body (1) and the pile tip (5) respectively. The three sets of first connecting seats (6) are provided with first limiting holes (7) inside. The bottom end of the pile body (1) is fixedly connected with three sets of second connecting seats (8), which are provided with three sets of second limiting holes (9) inside.

2. The prestressed high-strength concrete pipe pile according to claim 1, characterized in that: The three sets of second connecting seats (8) are arranged at equal angles, and the three sets of second limiting holes (9) are arranged at an angle. The second connecting seats (8) and the second limiting holes (9) can fit tightly together. The positions and sizes of the first limiting hole (7) and the second limiting hole (9) are matched.

3. The prestressed high-strength concrete pipe pile according to claim 1, characterized in that: A fixing seat (10) is fixedly connected to the top of the outer side of the pile body (1). A limiting ring (11) is sleeved on the bottom of the fixing seat (10). Two sets of ring ears (12) are fixedly connected to the left and right sides of the limiting ring (11).

4. The prestressed high-strength concrete pipe pile according to claim 3, characterized in that: The two sets of ring ears (12) are arranged symmetrically, the inner diameter of the limiting ring (11) matches the outer diameter of the pile body (1), and the limiting ring (11) is fixedly connected to the pile body (1).

5. The prestressed high-strength concrete pipe pile according to claim 1, characterized in that: Multiple sets of prestressed steel bars (3) are internally fixedly connected to multiple sets of reinforcing rings (13), and three sets of support rods (14) are fixedly connected to the interior of each set of reinforcing rings (13).

6. The prestressed high-strength concrete pipe pile according to claim 5, characterized in that: The multiple sets of reinforcing rings (13) are distributed at equal intervals, and the three sets of support rods (14) are fixed in a triangular shape. The outer side of the reinforcing ring (13) is closely fitted with the inner side of the prestressed steel bar (3).

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