CN220847538U - Connecting structure for PHC prestressed pipe pile end and bearing platform - Google Patents
Connecting structure for PHC prestressed pipe pile end and bearing platform Download PDFInfo
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- CN220847538U CN220847538U CN202322546062.XU CN202322546062U CN220847538U CN 220847538 U CN220847538 U CN 220847538U CN 202322546062 U CN202322546062 U CN 202322546062U CN 220847538 U CN220847538 U CN 220847538U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000035515 penetration Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of building construction, in particular to a connecting structure used between a pile end and a bearing platform of a PHC prestressed pipe pile, wherein the end part of a pile end reinforcing steel bar is provided with a pier head and is clamped with a connecting sleeve through a pier sleeve, and a threaded hole which is coaxial with the pile end reinforcing steel bar and is communicated to the surface of the pier head is arranged in the connecting sleeve; the threaded hole is internally and spirally connected with a connecting mechanism, and the outer end of the connecting mechanism extends to the outside of the threaded hole; a through hole is axially formed in the connecting mechanism, and the through hole is coaxial with the threaded hole; the inner wall of the through hole is provided with internal threads, the connecting steel bar is in threaded connection with the through hole, and the end part of the connecting steel bar is abutted against the pier head. Adopt threaded connection mode, and between coupling mechanism and the connecting sleeve, the connection quality has been strengthened to the double-screw structure between connecting reinforcement and the coupling mechanism, satisfies the resistance to plucking and the bearing capacity of prestressing force tubular pile, and whole fastness, has solved the problem that current welded connection mode welding volume is big, welding quality is difficult to guarantee, construction speed is slow and the cost of labor is high.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a connecting structure for a PHC prestressed pipe pile end and a bearing platform.
Background
When the steel bar at the pile end of the traditional PHC prestressed pipe pile is anchored into the bearing platform, the processed connecting steel plate is welded with the pipe pile end plate according to the design, and a section of connecting steel bar with a bent end part is welded and fixed with the pipe pile end plate and the connecting steel plate so as to meet the design requirement of the steel bar anchored into the bearing platform; when the method is adopted, the welding quantity between the connecting steel plates and the pipe pile end plates and between the connecting steel bars and the pipe pile end plates and between the connecting steel plates is large, and the design quantity of the prestressed pipe piles in the construction project is thousands of, even tens of thousands of, so that the welding workload is large, a large number of welding workers are required to simultaneously weld, the personnel requirement is large, the construction speed is low, and the construction cost is high.
Disclosure of utility model
Aiming at the problems, the embodiment of the utility model provides a connecting structure for a PHC prestressed pipe pile end and a bearing platform.
In one aspect of the implementation of the utility model, a connecting structure for a PHC prestressed pipe pile end and a bearing platform is provided, wherein a pier head is arranged at the pile end reinforcing steel bar end and is clamped with a connecting sleeve through a pier sleeve, and a threaded hole which is coaxial with the pile end reinforcing steel bar and is communicated to the surface of the pier head is arranged in the connecting sleeve; the threaded hole is internally and spirally connected with a connecting mechanism, and the outer end of the connecting mechanism extends to the outside of the threaded hole; a through hole is axially formed in the connecting mechanism, and the through hole is coaxial with the threaded hole; the inner wall of the through hole is provided with internal threads, the connecting steel bar is in threaded connection with the through hole, and the end part of the connecting steel bar is abutted against the pier head.
Compared with the prior art, the utility model has the beneficial effects that: the fixing of the connecting steel bars is completed in a threaded connection mode, the connection quality is enhanced by the connection of the connecting mechanism and the connecting sleeve and the connection of the connecting steel bars and the connecting mechanism through the double-threaded structure, the pulling resistance and the bearing capacity of the prestressed pipe pile are met, the whole firmness is achieved, and the problems that the welding quantity is large, the welding quality is difficult to guarantee, the construction speed is low and the labor cost is high in the conventional welding connection mode are solved.
Optionally, the coupling mechanism includes hexagon head and bottom sleeve that coaxial set up, and hexagon head diameter is greater than bottom sleeve diameter, and bottom sleeve periphery is provided with the external screw thread with the screw hole adaptation, and the through-hole sets up along hexagon head and bottom telescopic axial.
Optionally, the bottom sleeve length is adapted to the threaded bore length.
Optionally, the internal thread is disposed on the through hole at a position opposite to the hexagonal head.
Optionally, connecting threads which are matched with the internal threads and have equal length are arranged on the connecting steel bars.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a connection structure between a pile end and a pile cap of a PHC prestressed pipe pile according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a connecting sleeve in a connecting structure between a pile end and a pile cap of a PHC prestressed pipe pile according to an embodiment of the present utility model;
Fig. 3 is a schematic structural diagram of a connection mechanism in a connection structure between a pile end and a pile cap of a PHC prestressed pipe pile according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a connection reinforcement structure in a connection structure between a pile end and a pile cap of a PHC prestressed pipe pile according to an embodiment of the present utility model.
The pile comprises pile end reinforcing steel bars 1, a connecting sleeve 2, a connecting mechanism 3, connecting reinforcing steel bars 4, a hexagon head 5 and a bottom sleeve 6.
Detailed Description
The present utility model will be described in further detail with reference to the following embodiments and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.
Referring to fig. 1-4, in the connection structure for use between pile ends and bearing platforms of PHC prestressed pipe piles provided by the embodiments of the present utility model, pile ends of reinforcing steel bars 1 are provided with pier heads and are clamped with connection sleeves 2 through pier sleeves, and threaded holes coaxial with the pile ends of reinforcing steel bars 1 and communicated to the surfaces of the pier heads are provided in the connection sleeves 2; the threaded hole is internally and spirally connected with a connecting mechanism 3, and the outer end of the connecting mechanism 3 extends to the outside of the threaded hole; a through hole is axially arranged in the connecting mechanism 3 and is coaxial with the threaded hole; the inner wall of the through hole is provided with internal threads, the connecting steel bar 4 is in threaded connection with the through hole, and the end part of the connecting steel bar is abutted against the pier head.
In implementation, the pier nose can be the frustum shape, is provided with the joint mechanism that is used for joint stake end reinforcing bar 1 tip pier nose in the connecting sleeve 2, and joint mechanism includes the frustum section with pier nose adaptation and the straight section of 1 periphery adaptation of stake end reinforcing bar, and the screw hole sets up with the joint mechanism is coaxial, and communicates to the frustum section, and the diameter of screw hole can be greater than maximum diameter in the frustum section. The end face of the pier head and the end face of the connecting steel bar 4 can be subjected to grinding and leveling treatment, so that the contact surface between the pier head and the connecting steel bar 4 is tightly propped.
The coupling mechanism 3 includes a hexagonal head 5 and a bottom sleeve 6 coaxially disposed, the hexagonal head 5 being larger than the bottom sleeve 6 in diameter, the bottom sleeve 6 being provided on its outer periphery with an external thread adapted to the threaded hole, the through hole being disposed along the axial direction of the hexagonal head 5 and the bottom sleeve 6.
The length of the bottom sleeve 5 is matched with the length of the threaded hole.
The internal thread is arranged on the position of the through hole opposite to the hexagon head 5, namely the inner wall of the through hole is not provided with a common internal thread, so that the integral strength of the connecting mechanism is improved.
The connecting steel bar 4 is provided with connecting threads which are matched with the internal threads and have equal length, namely, one end of the connecting steel bar 4 extending into the bottom sleeve 6 is not provided with the connecting threads.
According to the scheme provided by the utility model, the connection of the connecting steel bars is completed in a threaded connection mode, the connection quality is enhanced by the connection of the connecting mechanism and the connecting sleeve and the connection of the connecting steel bars and the connecting mechanism in a double-threaded structure, the pulling resistance and the bearing capacity of the prestressed pipe pile are met, the whole firmness is realized, and the problems that the welding quantity is large, the welding quality is difficult to ensure, the construction speed is low and the labor cost is high in the conventional welding connection mode are solved.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
Claims (5)
1. The connecting structure for the PHC prestressed pipe pile end and the bearing platform is characterized in that a pier head is arranged at the pile end steel bar end part, a connecting sleeve is clamped through a pier sleeve, and a threaded hole which is coaxial with the pile end steel bar and communicated to the surface of the pier head is arranged in the connecting sleeve; the device is characterized in that a connecting mechanism is connected in the threaded hole in a threaded way, and the outer end of the connecting mechanism extends to the outside of the threaded hole; a through hole is axially formed in the connecting mechanism, and the through hole is coaxial with the threaded hole; the inner wall of the through hole is provided with internal threads, the connecting steel bar is in threaded connection with the through hole, and the end part of the connecting steel bar is abutted against the pier head.
2. The connection structure for use between pile tip and cap of PHC prestressed pipe pile according to claim 1, wherein the connection mechanism comprises a hexagonal head and a bottom sleeve coaxially arranged, the hexagonal head diameter is larger than the bottom sleeve diameter, the bottom sleeve periphery is provided with external threads adapted to the threaded holes, and the through holes are axially arranged along the hexagonal head and the bottom sleeve.
3. The connection structure for PHC prestressed pipe pile tip and cap according to claim 2, wherein the bottom sleeve length is adapted to the screw hole length.
4. The connection structure for PHC prestressed pipe pile tip and cap according to claim 2, wherein the female screw is provided at a position opposite to the hexagonal head on the penetration hole.
5. The connection structure for PHC prestressed pipe pile tip and pile cap according to claim 4, wherein the connection bar is provided with connection screw threads having the same length as the internal screw threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546062.XU CN220847538U (en) | 2023-09-19 | 2023-09-19 | Connecting structure for PHC prestressed pipe pile end and bearing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546062.XU CN220847538U (en) | 2023-09-19 | 2023-09-19 | Connecting structure for PHC prestressed pipe pile end and bearing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847538U true CN220847538U (en) | 2024-04-26 |
Family
ID=90771975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322546062.XU Active CN220847538U (en) | 2023-09-19 | 2023-09-19 | Connecting structure for PHC prestressed pipe pile end and bearing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847538U (en) |
-
2023
- 2023-09-19 CN CN202322546062.XU patent/CN220847538U/en active Active
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