Combined prestressed concrete pipe pile connecting piece

By designing a combined prestressed concrete pipe pile connector and utilizing a bolt and pin locking mechanism, the problems of existing equipment being unable to flexibly change connection methods and loosening due to vibration were solved, thus achieving efficient connection and fixation of multi-story buildings.

CN223951761UActive Publication Date: 2026-02-27WUHAN SOUTHERN CONSTR ENG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520513408.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-27
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing prestressed concrete pipe pile connection equipment cannot flexibly change the connection method according to the different connectors of the superstructure, and the connectors are prone to loosening due to vibration, affecting the connection firmness.

Method used

A combined prestressed concrete pipe pile connector was designed, including components such as pipe pile, reinforcing bar, steel ring, inner cylinder, outer cylinder, sleeve plate, clamp, groove, pin and spring. Through the cooperation of bolts, connecting plates and stop, multiple connection methods can be switched, and the locking mechanism of spring and pin is used to prevent loosening.

Benefits of technology

It enables different connection and fixation as needed, improves the adaptability of the equipment, and maintains the strength of the connection under vibration conditions, making it suitable for the foundation construction of multi-story and high-rise buildings.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223951761U_ABST
    Figure CN223951761U_ABST
Patent Text Reader

Abstract

The utility model discloses a combined type prestressed concrete pipe pile connecting piece which comprises a pipe pile and a steel bar, a connecting assembly is installed at the top of the pipe pile and comprises a steel ring and an inner cylinder, a supporting assembly is installed on the outer side of the steel ring and comprises a sleeve plate and a screw hole, fixing assemblies are installed on the pipe pile and the sleeve plate, and the fixing assemblies are connected with the steel ring and the inner cylinder. The fixing assembly comprises an outer cylinder and a clamping sleeve, a locking assembly is installed on the sleeve plate, and the locking assembly comprises a clamping groove and a clamping pin. According to the combined prestressed concrete pipe pile connecting piece, different kinds of connection and fixation can be conducted according to using requirements, the adaptability of equipment is improved, the connecting plate is blocked through a bolt, and therefore the connecting plate is not prone to falling off; the clamping pin is locked between the clamping opening and the clamping groove through the connecting plate, looseness between the sleeve plate and the steel ring is avoided, one end of the connecting plate is clamped into the outer side of the bolt, looseness caused by factors such as vibration is prevented, then the installation firmness of the connecting piece is effectively guaranteed, and the connecting piece is suitable for infrastructure construction of multi-story buildings and high-rise buildings.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to prestressed concrete pipe pile connecting equipment technical field, concretely is a combined prestressed concrete pipe pile connecting piece. BACKGROUND

[0002] Prestressed concrete pipe pile is the foundation building and reinforcing equipment commonly used in high-rise building, in order to facilitate the connection and fixing work of pipe pile and upper building, prestressed concrete pipe pile connecting equipment is often needed, the utility model discloses a six petal type pipe pile quick connector assembly, the lower end of six petal type connecting piece is inserted into the upper connecting pipe of prestressed pipe pile below, the lower end of six petal type pipe is contacted with the force reduction diameter of bucket type sleeve, then passes through the second limiting ring, the diameter size restores after the convex part moves to the below of second limiting ring, so as to be clamped below the second limiting ring, at this time, the upper connecting pipe and lower connecting pipe are contacted, and the connection work of two prestressed pipe piles can be completed, the process is simple and rapid, the connection speed of prestressed pipe pile is greatly improved, and the foundation construction efficiency is improved, according to the disclosed technical scheme, the prestressed concrete pipe pile connecting equipment of the prior art has the following disadvantages: on the one hand, different connection modes cannot be replaced for different connecting pieces at the bottom of upper building to carry out connection and fixing work, on the other hand, the connecting piece is prone to loosening due to vibration and other factors when carrying out connection and fixing, which is not conducive to guaranteeing the connection firmness.

[0003] Therefore, how to design the combined prestressed concrete pipe pile connecting piece becomes the problem to be solved at present. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model aims at providing a combined prestressed concrete pipe pile connecting piece to solve the problems in the background art, which is reasonable in design, convenient to use and suitable for the foundation construction of multi-storey building and high-rise building.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combined prestressed concrete pipe pile connecting piece, which comprises a pipe pile and a reinforcing bar, a connecting assembly is installed at the top of the pipe pile, the connecting assembly comprises a steel ring and an inner cylinder, a supporting assembly is installed on the outer side of the steel ring, the supporting assembly comprises a sleeve plate and a screw hole, a fixing assembly is installed on the pipe pile and the sleeve plate, the fixing assembly comprises an outer cylinder and a clamping sleeve, a locking assembly is installed on the sleeve plate, the locking assembly comprises a clamping groove and a clamping pin, a pulling assembly is installed on the clamping pin, and the pulling assembly comprises a connecting plate and a blocking opening.

[0006] Further, the pipe pile is a prestressed concrete pipe pile, the pipe pile is cast on the outside of the steel bar, the steel ring is welded on the top of the steel bar, and the steel ring is clamped on the top of the pipe pile.

[0007] Further, the top end of the inner cylinder is integrally formed on the inside of the steel ring, threads are formed on the inner wall of the inner cylinder, and the inner cylinder is clamped on the inner wall of the top end of the pipe pile.

[0008] Further, the top end of the outer cylinder is integrally formed on the outside of the steel ring, the outer cylinder is sleeved on the outer side of the top end of the pipe pile, and external threads are formed on the outer side of the outer cylinder.

[0009] Further, the sleeve plate is sleeved on the outer side of the steel ring, the clamping sleeve is integrally formed on the bottom of the sleeve plate, the clamping sleeve is sleeved on the outer side of the outer cylinder, internal threads are formed on the inner wall of the clamping sleeve, and the external threads are engaged with the internal threads.

[0010] Further, the inside of the steel ring is provided with a bayonet, the clamping groove is formed on the inside of the sleeve plate, one end of the clamping pin is clamped on the inside of the clamping groove, and the other end of the clamping pin extends to the inside of the bayonet through the clamping groove.

[0011] Further, one end of the clamping pin is connected to the inner wall of the clamping groove through a spring, the screw holes are formed on the inside of the sleeve plate, the screw holes are uniformly distributed on the sleeve plate, the inside of the sleeve plate is provided with a through hole, and the clamping groove is connected with the screw holes through the through hole.

[0012] Further, one end of the clamping pin is connected to the inner wall of the clamping groove through a spring, the screw holes are formed on the inside of the sleeve plate, the screw holes are uniformly distributed on the sleeve plate, the inside of the sleeve plate is provided with a through hole, and the clamping groove is connected with the screw holes through the through hole.

[0013] Beneficial effects: 1. The combined prestressed concrete pipe pile connecting piece can be used in different connection of upper buildings, the sleeve plate and the screw hole can be connected and fixed by bolts, or the connecting plate can be pulled out from the screw hole and pulled through the blocking hole alternately, the clamping pin can be compressed spring and moved completely to the inside of the clamping groove, the sleeve can be unscrewed from the outer cylinder, and the connection and fixation can be carried out through the threads on the inner cylinder or the external threads on the outer cylinder, so that different connections and fixations can be carried out according to the use requirements, and the adaptability of the equipment is improved.

[0014] 2. The combined prestressed concrete pipe pile connecting piece is fixed by penetrating the bolt through the screw hole on the sleeve plate and the bottom of the superstructure, and the bolt extrudes the connecting plate when penetrating the screw hole, and then the bolt resists the connecting plate, the connecting plate locks the locking pin between the socket and the card slot, avoids loosening between the sleeve plate and the steel ring, and the spring pulls the locking pin, so that one end of the connecting plate is clamped on the outer side of the bolt, reduces the risk of loosening of the bolt due to vibration, prevents loosening due to vibration and other factors, and effectively ensures the installation firmness of the connecting piece.

[0015] 3. The combined prestressed concrete pipe pile connecting piece is reasonable in design, efficient and convenient to use, and suitable for the foundation construction of multi-storey buildings and high-rise buildings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure diagram of the combined prestressed concrete pipe pile connecting piece of the utility model;

[0017] Fig. 2 It is a sectional view of the combined prestressed concrete pipe pile connecting piece of the utility model;

[0018] Fig. 3 It is a structure diagram of the sleeve plate of the combined prestressed concrete pipe pile connecting piece of the utility model;

[0019] Fig. 4 It is a structure diagram of the steel ring of the combined prestressed concrete pipe pile connecting piece of the utility model;

[0020] In the drawing: 1, pipe pile; 2, reinforcing bar; 3, steel ring; 4, inner cylinder; 5, outer cylinder; 6, sleeve plate; 7, screw hole; 8, socket; 9, socket; 10, card slot; 11, locking pin; 12, spring; 13, through hole; 14, connecting plate; 15, blocking hole. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a combined prestressed concrete pipe pile connecting piece, including pipe pile 1 and reinforcing bar 2, the top of pipe pile 1 is installed with connecting assembly, the connecting assembly includes steel ring 3 and inner tube 4, the outside of steel ring 3 is installed with support assembly, the support assembly includes sleeve plate 6 and screw hole 7, pipe pile 1 and sleeve plate 6 are installed with fixed assembly, the fixed assembly includes outer tube 5 and clamping sleeve 8, sleeve plate 6 is installed with locking assembly, the locking assembly includes clamping groove 10 and clamping pin 11, clamping pin 11 is installed with pull assembly, the pull assembly includes connecting plate 14 and baffle 15, the inside of steel ring 3 is seted up with the mouthful 9, clamping groove 10 is seted up in the inside of sleeve plate 6, one end of clamping pin 11 is clamped in the inside of clamping groove 10, the other end of clamping pin 11 passes through clamping groove 10 and extends to the inside of mouthful 9, one end of clamping pin 11 is connected with the inner wall of clamping groove 10 through spring 12, the inside of sleeve plate 6 is seted up with the screw hole 7, the screw hole 7 is evenly distributed on sleeve plate 6, the inside of sleeve plate 6 is seted up with the mouthful 13, clamping groove 10 is linked with the screw hole 7 through mouthful 13, when using, according to the connecting piece of upper building's difference, can utilize bolt and connect sleeve plate 6 and screw hole 7 to its fixed work, or with the help of tool, connecting plate 14 is pulled from the inside to the outside in screw hole 7, and alternately passes through baffle 15 and pulls connecting plate 14, then the spring 12 of clamping pin 11 is compressed and moves completely from the inside of mouthful 9 to the inside of clamping groove 10, sleeve plate 6 is rotated again, makes clamping sleeve 8 be unscrewed from outer tube 5, according to the need through the thread on inner tube 4 or the external thread on outer tube 5 and connects fixed work, then can according to the need of use, carry out different connection and fix, improve the adaptability of equipment.

[0023] In the embodiment, the pipe pile 1 is a prestressed concrete pipe pile, the pipe pile 1 is cast and formed on the outer side of the reinforcing steel bar 2, the steel ring 3 is welded on the top of the reinforcing steel bar 2, the steel ring 3 is clamped on the top of the pipe pile 1, the top of the inner cylinder 4 is integrally formed on the inner side of the steel ring 3, the inner wall of the inner cylinder 4 is provided with a thread, the inner cylinder 4 is clamped on the inner wall of the top of the pipe pile 1, the top of the outer cylinder 5 is integrally formed on the outer side of the steel ring 3, the outer cylinder 5 is sleeved on the outer side of the top of the pipe pile 1, the outer side of the outer cylinder 5 is provided with an external thread, the sleeve plate 6 is sleeved on the outer side of the steel ring 3, the clamping sleeve 8 is integrally formed on the bottom of the sleeve plate 6, the clamping sleeve 8 is sleeved on the outer side of the outer cylinder 5, the inner wall of the clamping sleeve 8 is provided with an internal thread, the external thread is engaged with the internal thread, one end of the connecting plate 14 is welded on one end of the clamping pin 11, the other end of the connecting plate 14 passes through the through port 13 and extends to the outer side of the screw hole 7, the blocking ports 15 are provided on the inner side of the connecting plate 14, the blocking ports 15 are uniformly distributed on the connecting plate 14, when the sleeve plate 6 is connected and fixed with the bottom of the superstructure, the bolt passes through the screw hole 7 on the sleeve plate 6 and is installed and fixed with the bottom of the superstructure, at the same time, the bolt extrudes the connecting plate 14 when passing through the screw hole 7, and then the connecting plate 14 is resisted by the bolt, the clamping pin 11 is locked between the clamping port 9 and the clamping groove 10 by the connecting plate 14, the sleeve plate 6 and the steel ring 3 are prevented from being loose, at the same time, the spring 12 pulls the clamping pin 11, one end of the connecting plate 14 is clamped on the outer side of the bolt, the risk of loosening of the bolt caused by vibration is reduced, the loosening caused by factors such as vibration is prevented, and then the installation firmness of the connecting piece is effectively ensured.

[0024] When the combined prestressed concrete pipe pile connecting piece is used, according to the different connecting pieces of the superstructure, the sleeve plate 6 and the screw hole 7 can be connected and fixed by the bolt, or the connecting plate 14 is pulled outwards from the screw hole 7 by means of a tool, the connecting plate 14 is pulled by the blocking ports 15 in turn, the clamping pin 11 is compressed by the spring 12 and is completely moved from the clamping port 9 to the inner side of the clamping groove 10, the clamping sleeve 8 is unscrewed from the outer cylinder 5 by rotating the sleeve plate 6, and then the connecting and fixing work is carried out according to the thread on the inner cylinder 4 or the external thread on the outer cylinder 5, so that different connecting and fixing can be carried out according to the use requirement, the adaptability of the equipment is improved, when the sleeve plate 6 is connected and fixed with the bottom of the superstructure, the bolt passes through the screw hole 7 on the sleeve plate 6 and is installed and fixed with the bottom of the superstructure, at the same time, the bolt extrudes the connecting plate 14 when passing through the screw hole 7, and then the connecting plate 14 is resisted by the bolt, the clamping pin 11 is locked between the clamping port 9 and the clamping groove 10 by the connecting plate 14, the sleeve plate 6 and the steel ring 3 are prevented from being loose, at the same time, the spring 12 pulls the clamping pin 11, one end of the connecting plate 14 is clamped on the outer side of the bolt, the risk of loosening of the bolt caused by vibration is reduced, the loosening caused by factors such as vibration is prevented, and then the installation firmness of the connecting piece is effectively ensured.

[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A combined prestressed concrete pipe pile connector, comprising a pipe pile (1) and a reinforcing bar (2), a connecting assembly is installed on the top of the pipe pile (1), the connecting assembly comprises a steel ring (3) and an inner cylinder (4), characterized in that: The outer side of the steel ring (3) is provided with a supporting assembly, the supporting assembly comprises a sleeve plate (6) and a threaded hole (7), the pipe pile (1) and the sleeve plate (6) are provided with a fixing assembly, the fixing assembly comprises an outer cylinder (5) and a clamping sleeve (8), the sleeve plate (6) is provided with a locking assembly, the locking assembly comprises a clamping groove (10) and a clamping pin (11), the clamping pin (11) is provided with a pulling assembly, the pulling assembly comprises a connecting plate (14) and a blocking opening (15).

2. A combined prestressed concrete pipe pile connector according to claim 1, characterized in that: The pipe pile (1) is a prestressed concrete pipe pile, the pipe pile (1) is cast on the outer side of the reinforcing steel bar (2), the steel ring (3) is welded on the top of the reinforcing steel bar (2), and the steel ring (3) is clamped on the top of the pipe pile (1).

3. A combined prestressed concrete pipe pile connector according to claim 2, characterized in that: The top end of the inner cylinder (4) is integrally formed on the inner side of the steel ring (3), the inner wall of the inner cylinder (4) is provided with threads, and the inner cylinder (4) is clamped on the inner wall of the top end of the pipe pile (1).

4. A combined prestressed concrete pipe pile connector according to claim 3, characterized in that: The top end of the outer cylinder (5) is integrally formed on the outer side of the steel ring (3), the outer cylinder (5) is sleeved on the outer side of the top end of the pipe pile (1), and the outer side of the outer cylinder (5) is provided with external threads.

5. A combined prestressed concrete pipe pile connector according to claim 4, characterized in that: The sleeve plate (6) is sleeved on the outer side of the steel ring (3), the clamping sleeve (8) is integrally formed on the bottom of the sleeve plate (6), the clamping sleeve (8) is sleeved on the outer side of the outer cylinder (5), the inner wall of the clamping sleeve (8) is provided with internal threads, and the external threads are engaged with the internal threads.

6. A combined prestressed concrete pipe pile connector according to claim 1, characterized in that: The inner side of the steel ring (3) is provided with a clamping opening (9), the clamping groove (10) is formed in the inner side of the sleeve plate (6), one end of the clamping pin (11) is clamped in the inner side of the clamping groove (10), and the other end of the clamping pin (11) extends to the inner side of the clamping opening (9) through the clamping groove (10).

7. A combined prestressed concrete pipe pile connector according to claim 6, characterized in that: One end of the clamping pin (11) is connected with the inner wall of the clamping groove (10) through a spring (12), the threaded hole (7) is formed in the inner side of the sleeve plate (6), the threaded holes (7) are uniformly distributed on the sleeve plate (6), the inner side of the sleeve plate (6) is provided with a through opening (13), and the clamping groove (10) is connected with the threaded hole (7) in communication through the through opening (13).

8. A combined prestressed concrete pipe pile connector according to claim 7, characterized in that: One end of the connecting plate (14) is welded to one end of the clamping pin (11), the other end of the connecting plate (14) extends to the outer side of the threaded hole (7) through the through opening (13), and the blocking opening (15) is formed in the inner side of the connecting plate (14).

Citation Information

Patent Citations

  • Quick connector assembly for six-petal pipe pile

    CN220394508U