A pipe pile joint for concrete pouring

Abstract

The utility model relates to the technical field of pipe pile joint, especially to a pipe pile joint for concrete pouring, which comprises a lower joint, an upper joint, a lower flange ring, an upper flange ring, a first sealing snap ring and a second sealing snap ring. The upper joint is arranged above the lower joint, the lower flange ring is arranged at the upper end of the lower joint, the upper flange ring is arranged at the lower end of the upper joint, two groups of first sealing snap rings are concentrically arranged on the inner side of the upper end surface of the lower flange ring, a second sealing ring groove is arranged between the two groups of first sealing snap rings, two groups of first sealing ring grooves are concentrically arranged on the inner side of the lower end surface of the upper flange ring, and a second sealing snap ring is arranged between the two groups of first sealing ring grooves. The utility model realizes a multilayer nested sealing structure composed of the first sealing snap ring, the first sealing ring groove, the second sealing snap ring and the second sealing ring groove, effectively blocks the penetration of concrete slurry, avoids the problem of slurry leakage of the traditional pipe pile joint, and improves the overall performance and service life of the pipe pile.

Description

Technical Field

[0001] This utility model relates to the field of pipe pile joint technology, and in particular to a pipe pile joint for concrete pouring. Background Technology

[0002] In the field of construction engineering, concrete-cast pipe piles are commonly used foundation structural components. They are formed by connecting multiple pipe sections to meet different depth and load-bearing requirements. As a key component connecting adjacent pipe sections, the sealing and connection stability of the pipe pile are directly related to the overall performance and service life of the pipe pile.

[0003] Traditional pipe pile joints are typically secured using only a flange and sealing ring during use. However, during pouring, the joint is prone to leakage due to concrete pressure, and stress concentration at the flange connection can easily lead to deformation of the flange weld points.

[0004] Therefore, to address the problems of grout leakage and flange welding point deformation that often occur with traditional pipe pile joints during use, a new type of pipe pile joint can be designed. This new joint addresses these issues by using multiple sets of sealing rings and sealing ring grooves to form a multi-layered nested sealing structure, thus preventing leakage. Furthermore, a triangular structure supports the flange ring and the joint, thereby facilitating the resolution of these problems. Summary of the Invention

[0005] In order to overcome the shortcomings of traditional pipe pile joints, such as easy leakage of grout and easy deformation of flange welding points during use, this utility model provides a pipe pile joint for concrete pouring.

[0006] The technical solution is as follows: A pipe pile joint for concrete pouring includes a lower joint, an upper joint, a lower flange ring, an upper flange ring, a first sealing ring, and a second sealing ring; the lower joint is provided with an upper joint for mating with the lower joint, the upper end of the lower joint is provided with a lower flange ring for connecting to the upper joint, the lower end of the upper joint is provided with an upper flange ring corresponding to the lower flange ring, two sets of first sealing rings are concentrically provided on the inner side of the upper end surface of the lower flange ring, and a second sealing ring groove is provided between the two sets of first sealing rings, and two sets of first sealing ring grooves corresponding to the first sealing rings are concentrically provided on the inner side of the lower end surface of the upper flange ring, and a second sealing ring corresponding to the second sealing ring groove is provided between the two sets of first sealing ring grooves.

[0007] Furthermore, the lower connector has a first cavity inside, and the upper connector has a second cavity inside that communicates with the first cavity. The lower connector is matched with a lower casting pipe section, the upper end of which extends into the first cavity. The upper connector is matched with an upper casting pipe section, the lower end of which extends into the second cavity.

[0008] Furthermore, a first limiting ring corresponding to the wall thickness of the lower casting pipe section is fitted at the top edge of the first cavity near the second cavity, and a second limiting ring corresponding to the wall thickness of the upper casting pipe section is fitted at the bottom edge of the second cavity near the first cavity.

[0009] Furthermore, multiple sets of positioning bolts are arranged around the outer side of the upper surface of the lower flange ring, and multiple sets of locking holes corresponding to the positioning bolts are opened around the outer side of the upper flange ring. The outer ends of the multiple sets of positioning bolts are fitted with locking nuts.

[0010] Furthermore, the lower flange ring is surrounded by multiple sets of first reinforcing rods, the upper ends of which are connected to the lower flange ring, and the lower ends of which extend obliquely to the outer wall of the lower connector. The lower flange ring, the first reinforcing rods, and the lower connector are arranged in a triangular structure. The upper flange ring is surrounded by multiple sets of second reinforcing rods, the lower ends of which are connected to the upper flange ring, and the upper ends of which extend obliquely to the outer wall of the upper connector. The upper flange ring, the second reinforcing rods, and the upper connector are arranged in a triangular structure.

[0011] Furthermore, a first bucket-shaped guide ring is fitted at the lower end of the lower connector, and a second bucket-shaped guide ring is fitted at the upper end of the upper connector.

[0012] Furthermore, a rubber ring is fitted to the outer side of the upper surface of the lower flange ring, and a sealing ring is fitted to the inside of the second sealing ring groove.

[0013] The beneficial effects are as follows: Compared with traditional pipe pile joints, which have defects in use, this application, through a multi-layered nested sealing structure composed of a first sealing ring, a first sealing ring groove, a second sealing ring, a second sealing ring groove, and a sealing ring, can effectively prevent the penetration of concrete grout, avoiding the leakage problem that is prone to occur in traditional pipe pile joints, and improving the overall performance and service life of the pipe pile; the triangular support structure formed by the first reinforcing rod and the second reinforcing rod enhances the overall strength and rigidity of the pipe pile joint, and can effectively disperse the pressure on the flange connection during concrete pouring, avoiding deformation of the flange welding point and ensuring the connection stability of the pipe pile joint; the cooperation of the positioning bolts with the locking holes and locking nuts achieves a reliable connection between the lower flange ring and the upper flange ring, and the rubber ring avoids rigid contact, forming a buffer to compensate for minor unevenness of the flange surface, enhancing the tightness of the connection between the lower flange ring and the upper flange ring; the first and second bucket-shaped guide rings play a good guiding role in the pipe pile splicing process, facilitating the quick and accurate insertion of the lower and upper pipe sections into the first and second sleeve cavities, further improving construction efficiency. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the pipe pile joint for concrete pouring according to the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the combination of the lower connector and the lower flange ring of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the combination of the lower connector and the first bucket-shaped guide ring of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the combination of the upper connector and the upper flange ring of this utility model;

[0018] Figure 5 This is a three-dimensional structural diagram of the combination of the upper connector and the second bucket-shaped guide ring of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Lower connector; 101. First cavity; 2. Upper connector; 201. Second cavity; 3. Lower flange ring; 4. Upper flange ring; 5. Lower cast-in-place pipe section; 6. Upper cast-in-place pipe section; 7. Rubber ring; 8. Positioning bolt; 9. First sealing ring; 10. Second sealing ring groove; 11. Sealing ring; 12. Locking nut; 13. First bucket-shaped guide ring; 14. First limiting ring; 15. First reinforcing rod; 16. Locking hole; 17. First sealing ring groove; 18. Second sealing ring; 19. Second bucket-shaped guide ring; 20. Second limiting ring; 21. Second reinforcing rod. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figures 1-5 As shown, a concrete pouring pipe pile joint includes a lower joint 1, an upper joint 2, a lower flange ring 3, an upper flange ring 4, a first sealing ring 9, and a second sealing ring 18. The lower joint 1 is provided with an upper joint 2 for cooperating with the lower joint 1. The upper end of the lower joint 1 is provided with a lower flange ring 3 for connecting to the upper joint 2. The lower end of the upper joint 2 is provided with an upper flange ring 4 corresponding to the lower flange ring 3. Two sets of first sealing rings 9 are concentrically provided on the inner side of the upper end surface of the lower flange ring 3. A second sealing ring groove 10 is opened between the two sets of first sealing rings 9. Two sets of first sealing ring grooves 17 corresponding to the first sealing rings 9 are concentrically provided on the inner side of the lower end surface of the upper flange ring 4. A second sealing ring 18 corresponding to the second sealing ring groove 10 is provided between the two sets of first sealing ring grooves 17.

[0022] The lower connector 1 has a first cavity 101 inside, and the upper connector 2 has a second cavity 201 inside that communicates with the first cavity 101. The lower connector 1 is matched with a lower casting pipe section 5, the upper end of which extends into the first cavity 101. The upper connector 2 is matched with an upper casting pipe section 6, the lower end of which extends into the second cavity 201. The arrangement of the first cavity 101 and the second cavity 201 provides a precise installation and positioning space for the lower casting pipe section 5 and the upper casting pipe section 6, enabling the pipe sections and connectors to fit tightly together and enhancing the stability of the overall structure.

[0023] A first limiting ring 14 corresponding to the wall thickness of the lower casting pipe section 5 is fitted at the top edge of the first cavity 101 near the second cavity 201, and a second limiting ring 20 corresponding to the wall thickness of the upper casting pipe section 6 is fitted at the bottom edge of the second cavity 201 near the first cavity 101. By setting the first limiting ring 14 and the second limiting ring 20, the installation positions of the lower casting pipe section 5 and the upper casting pipe section 6 in the first cavity 101 and the second cavity 201 can be precisely limited, preventing the pipe sections from shifting or misaligning during the casting process.

[0024] Multiple sets of positioning bolts 8 are arranged around the outer surface of the upper end of the lower flange ring 3, and multiple sets of locking holes 16 corresponding to the positioning bolts 8 are arranged around the outer surface of the upper flange ring 4. The outer ends of the multiple sets of positioning bolts 8 are fitted with locking nuts 12. Through the cooperation of the multiple sets of positioning bolts 8 with the locking holes 16 and locking nuts 12, a reliable connection between the lower flange ring 3 and the upper flange ring 4 is achieved, and the positioning and installation can be easily achieved during the connection process to avoid misalignment.

[0025] Multiple sets of first reinforcing rods 15 are arranged around the lower end of the lower flange ring 3. The upper ends of the multiple sets of first reinforcing rods 15 are connected to the lower flange ring 3, and the lower ends of the multiple sets of first reinforcing rods 15 extend obliquely to the outer wall of the lower joint 1. The lower flange ring 3, the first reinforcing rods 15, and the lower joint 1 are arranged in a triangular structure. Multiple sets of second reinforcing rods 21 are arranged around the upper end of the upper flange ring 4. The lower ends of the multiple sets of second reinforcing rods 21 are connected to the upper flange ring 4, and the upper ends of the multiple sets of second reinforcing rods 21 extend obliquely to the outer wall of the upper joint 2. The upper flange ring 4, the second reinforcing rods 21, and the upper joint 2 are arranged in a triangular structure. The first reinforcing rods 15 and the second reinforcing rods 21 respectively form triangular structures with the lower flange ring 3 and the lower joint 1, and the upper flange ring 4 and the upper joint 2, which can provide reliable support and enhance the overall strength and rigidity of the pipe pile joint. During the concrete pouring process, the pressure on the flange connection can be effectively distributed to avoid deformation of the flange welding point due to excessive pressure, and at the same time, it can also prevent the joint from loosening.

[0026] The lower end of the lower connector 1 is fitted with a first bucket-shaped guide ring 13, and the upper end of the upper connector 2 is fitted with a second bucket-shaped guide ring 19. The first bucket-shaped guide ring 13 and the second bucket-shaped guide ring 19 play a good guiding role in the splicing process of the pipe pile, which facilitates the quick and accurate insertion of the lower pouring pipe section 5 and the upper pouring pipe section 6 into the first cavity 101 and the second cavity 201, thereby improving the construction efficiency.

[0027] A rubber ring 7 is attached to the outer side of the upper surface of the lower flange ring 3, and a sealing ring 11 is attached to the inside of the second sealing ring groove 10. The sealing ring 11 can further effectively block the penetration of concrete grout and prevent grout leakage. The rubber ring 7 provides locking buffer between the lower flange ring 3 and the upper flange ring 4 to avoid direct rigid contact.

[0028] During the work, the workers first insert the upper end of the lower pouring pipe section 5 into the first cavity 101 of the lower connector 1. The first limiting ring 14 will precisely limit the installation position of the lower pouring pipe section 5 to prevent it from shifting or misaligning. Similarly, the lower end of the upper pouring pipe section 6 is inserted into the second cavity 201 of the upper connector 2. The second limiting ring 20 plays a positioning role. During the splicing process of the lower pouring pipe section 5 and the upper pouring pipe section 6, the first bucket-shaped guide ring 13 and the second bucket-shaped guide ring 19 will play a good guiding role.

[0029] Next, connect the upper connector 2 with the lower connector 1, so that the upper flange ring 4 and the lower flange ring 3 are close to each other. At this time, the first sealing ring 9 will be inserted into the corresponding first sealing ring groove 17, the second sealing ring 18 will be inserted into the second sealing ring groove 10, and the rubber ring 7 will be attached between the lower flange ring 3 and the upper flange ring 4.

[0030] When the upper connector 2 and the lower connector 1 are connected, the positioning bolt 8 on the lower flange ring 3 will be inserted into the corresponding locking hole 16 of the upper flange ring 4, and then the locking nut 12 will be put on and tightened to achieve a reliable connection between the lower flange ring 3 and the upper flange ring 4.

[0031] After locking, concrete can be poured into the upper pouring pipe section 6 and the lower pouring pipe section 5 to form concrete pipe piles.

[0032] Its working principle is as follows: During the concrete pouring process, the concrete will exert a large pressure on the pipe pile joint. At this time, the multi-layer sealing structure plays a role. The first sealing ring 9 and the first sealing ring groove 17, the second sealing ring 18 and the second sealing ring groove 10 cooperate with each other, and with the assistance of the sealing ring 11, an effective sealing barrier is formed to prevent concrete slurry from leaking from the joint. At the same time, the triangular structure formed by the lower flange ring 3, the first reinforcing rod 15 and the lower joint 1, and the triangular structure formed by the upper flange ring 4, the second reinforcing rod 21 and the upper joint 2, can disperse the pressure on the flange connection. Since the triangle has stability, this structure can evenly transmit the pressure to all parts of the pipe pile joint, avoid deformation of the flange welding point due to stress concentration, and also prevent the joint from loosening, ensuring the stability and sealing of the pipe pile joint during the concrete pouring process.

[0033] Its beneficial effects are significant. The multi-layered nested sealing structure, composed of the first sealing ring 9, the first sealing ring groove 17, the second sealing ring 18, the second sealing ring groove 10, and the sealing ring 11, can effectively prevent the penetration of concrete grout, avoiding the problem of grout leakage that is common in traditional pipe pile joints, and improving the overall performance and service life of the pipe pile. The triangular support structure formed by the first reinforcing rod 15 and the second reinforcing rod 21 enhances the overall strength and rigidity of the pipe pile joint, and can effectively disperse the pressure on the flange connection during concrete pouring, preventing deformation of the flange welding point. This ensures the connection stability of the pipe pile joint; through the cooperation of the positioning bolt 8 with the locking hole 16 and the locking nut 12, a reliable connection between the lower flange ring 3 and the upper flange ring 4 is achieved, and the rubber ring 7 avoids rigid contact, forming a buffer to compensate for minor unevenness of the flange surface, enhancing the tightness of the connection between the lower flange ring 3 and the upper flange ring 4. The first bucket-shaped guide ring 13 and the second bucket-shaped guide ring 19 play a good guiding role in the pipe pile splicing process, which facilitates the quick and accurate insertion of the lower cast pipe section 5 and the upper cast pipe section 6 into the first cavity 101 and the second cavity 201, further improving the construction efficiency.

Claims

1. A pipe pile joint for concrete pouring, comprising a lower joint (1); characterized in that, It also includes an upper connector (2), a lower flange ring (3), an upper flange ring (4), a first sealing ring (9), and a second sealing ring (18); the upper part of the lower connector (1) is provided with an upper connector (2) for cooperating with the lower connector (1), the upper end of the lower connector (1) is provided with a lower flange ring (3) for connecting the upper connector (2), the lower end of the upper connector (2) is provided with an upper flange ring (4) corresponding to the lower flange ring (3), the inner side of the upper end surface of the lower flange ring (3) is provided with two sets of first sealing rings (9) concentrically, and a second sealing ring groove (10) is opened between the two sets of first sealing rings (9), the inner side of the lower end surface of the upper flange ring (4) is provided with two sets of first sealing ring grooves (17) corresponding to the first sealing rings (9) concentrically, and a second sealing ring (18) corresponding to the second sealing ring groove (10) is provided between the two sets of first sealing ring grooves (17).

2. The pipe pile joint for concrete pouring according to claim 1, characterized in that, The lower connector (1) has a first cavity (101) inside, and the upper connector (2) has a second cavity (201) inside that communicates with the first cavity (101). The lower connector (1) is matched with a lower casting pipe section (5), the upper end of which extends into the interior of the first cavity (101). The upper connector (2) is matched with an upper casting pipe section (6), the lower end of which extends into the interior of the second cavity (201).

3. A pipe pile joint for concrete pouring according to claim 2, characterized in that, The first cavity (101) is fitted with a first limiting ring (14) corresponding to the wall thickness of the lower casting pipe section (5) at the top edge near the second cavity (201), and the second cavity (201) is fitted with a second limiting ring (20) corresponding to the wall thickness of the upper casting pipe section (6) at the bottom edge near the first cavity (101).

4. A pipe pile joint for concrete pouring according to claim 1, characterized in that, Multiple sets of positioning bolts (8) are arranged around the outer side of the upper surface of the lower flange (3), and multiple sets of locking holes (16) corresponding to the positioning bolts (8) are arranged around the outer side of the upper flange (4). Locking nuts (12) are fitted on the outer ends of the multiple sets of positioning bolts (8).

5. A pipe pile joint for concrete pouring according to claim 1, characterized in that, The lower flange ring (3) is surrounded by multiple sets of first reinforcing rods (15). The upper ends of the multiple sets of first reinforcing rods (15) are connected to the lower flange ring (3). The lower ends of the multiple sets of first reinforcing rods (15) extend obliquely to the outer wall of the lower connector (1) for connection. The lower flange ring (3), the first reinforcing rods (15) and the lower connector (1) are arranged in a triangular structure. The upper flange ring (4) is surrounded by multiple sets of second reinforcing rods (21). The lower ends of the multiple sets of second reinforcing rods (21) are connected to the upper flange ring (4). The upper ends of the multiple sets of second reinforcing rods (21) extend obliquely to the outer wall of the upper connector (2) for connection. The upper flange ring (4), the second reinforcing rods (21) and the upper connector (2) are arranged in a triangular structure.

6. A pipe pile joint for concrete pouring according to claim 1, characterized in that, The lower end of the lower connector (1) is fitted with a first bucket-shaped guide ring (13), and the upper end of the upper connector (2) is fitted with a second bucket-shaped guide ring (19).

7. A pipe pile joint for concrete pouring according to claim 1, characterized in that, A rubber ring (7) is attached to the outer side of the upper end surface of the lower flange (3), and a sealing ring (11) is attached to the inside of the second sealing ring groove (10).

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