CN216304626U - Large-diameter prestressed precast pile foundation - Google Patents
Large-diameter prestressed precast pile foundation Download PDFInfo
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- CN216304626U CN216304626U CN202121841844.0U CN202121841844U CN216304626U CN 216304626 U CN216304626 U CN 216304626U CN 202121841844 U CN202121841844 U CN 202121841844U CN 216304626 U CN216304626 U CN 216304626U
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Abstract
The utility model belongs to the technical field of pile foundations, in particular to a large-diameter prestressed precast pile foundation, which aims at solving the problem that after the existing precast pile foundation is fixed in the ground, the fixing degree can be different due to different soil, the loose and soft soil can not fix a pile, and the safety of the pile foundation can be affected under the condition of insufficient firmness. The utility model improves the firmness of the pile foundation fixed in the soil by controlling the positioning pins to extend out of the outer side of the precast pile foundation and to be pricked into the soil.
Description
Technical Field
The utility model relates to the technical field of pile foundations, in particular to a large-diameter prestressed precast pile foundation.
Background
The precast pile mainly comprises a concrete precast pile and a steel pile. The concrete precast pile can bear larger load, is firm and durable, has high construction speed, is one of pile types widely applied, has larger influence on the surrounding environment in the construction process, and is commonly used as a concrete solid square pile and a prestressed concrete hollow tubular pile. The steel pile mainly comprises a steel pipe pile and an H-shaped steel pile.
After the existing precast pile foundation is fixed in the ground, the fixing degree can be different due to different soil, the loose and soft soil is not good for fixing the pile, the safety of the pile foundation can be affected due to the insufficient firmness, and therefore a large-diameter prestressed precast pile foundation is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that after the existing precast pile foundation is fixed in the ground, the fixing degree is different due to different soil, the loose soil is not good for fixing a pile, and the safety of the pile foundation is affected due to the insufficient firmness, and provides the large-diameter prestressed precast pile foundation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-diameter prestressed precast pile foundation comprises a pile foundation body and a plurality of positioning pins, wherein the top of the pile foundation body is provided with a groove, a sliding plate is arranged in the groove in a sliding manner, the bottom of the sliding plate is fixedly provided with a plurality of connecting plates, the connecting plates are provided with connecting holes, the tops of the positioning pins are all provided with through holes, cylinders are fixedly arranged in the through holes and are respectively connected in the corresponding connecting holes in a sliding manner, the inner walls of the groove are provided with a plurality of inclined holes which are uniformly distributed at equal intervals, the positioning pins are respectively connected in the corresponding inclined holes in a sliding manner, a fixing plate is fixedly arranged in the groove, the top of the fixing plate is provided with a round hole, a circular plate is installed in the round hole and is provided with a rotary plate, the bottom of the circular plate is fixedly provided with a threaded rod, the top of the sliding plate is provided with a threaded hole, the threaded rod is connected in the threaded hole, and two sides of the bottom plate of the circular plate are both provided with vertical grooves, equal slidable mounting has the riser in two vertical inslots, and the top fixed mounting of riser has the montant, and the same commentaries on classics board of the top fixedly connected with of two montants changes the board, changes the equal fixed mounting in bottom both sides of board and has the kelly, a plurality of constant head tanks have been seted up at the top of fixed plate, and two kellies are movable joint respectively in the constant head tank that corresponds.
Preferably, the top fixedly connected with pressure spring of riser, the top of two pressure springs is fixed connection respectively on the top inner wall of the vertical groove that corresponds.
Preferably, one side fixed mounting of connecting plate has the limiting plate, a plurality of spacing grooves have been seted up on the inner wall of recess, and a plurality of spacing grooves are equidistant evenly to be arranged, and a plurality of limiting plates are sliding connection respectively in the spacing inslot that corresponds.
Preferably, the same limiting rod is fixedly connected to the inner wall of the top and the inner wall of the bottom of the limiting groove, and the plurality of limiting plates are respectively sleeved on the outer sides of the corresponding limiting rods in a sliding manner.
Preferably, both sides of the circular plate are fixedly provided with baffles, and the two baffles are movably abutted against the bottom of the fixed plate.
Preferably, the inner wall of the top of the vertical groove is provided with a sliding hole, and the two vertical rods are respectively connected in the corresponding sliding holes in a sliding manner.
In the utility model, the large-diameter prestressed precast pile foundation is characterized in that a pile foundation body is inserted into the ground, then a rotating plate is pulled to move upwards to drive two vertical rods and two vertical plates to move upwards and compress two pressure springs, the rotating plate drives two clamping rods to move upwards to separate the two clamping rods from being connected with a positioning groove, then the rotating plate drives the two vertical rods and the two vertical plates to rotate, the vertical plates drive a circular plate to rotate synchronously through matching with a vertical groove, the circular plate drives a threaded rod to rotate, the threaded rod drives a sliding plate to move downwards through screw transmission with the sliding plate and under the guiding action of a limiting groove and the limiting rod, the sliding plate drives a plurality of connecting plates to move downwards, the connecting plates respectively drive a plurality of positioning pins to move towards one side far away from the threaded rod through matching of corresponding connecting holes and corresponding cylinders, so that the positioning pins extend out of the soil, fixing effect of the lifting pile foundation body;
according to the large-diameter prestressed precast pile foundation, the rotating plate is loosened, so that the vertical plate drives the rotating plate and the two clamping rods to move downwards under the action of the pressure spring, the rotating plate and the two clamping rods are clamped into the corresponding positioning grooves, and the positioning pins are stabilized, so that the firmness of the pile foundation body fixed in soil is further improved;
the utility model has reasonable structural design, improves the firmness of the pile foundation fixed in the soil by controlling the plurality of positioning pins to extend out of the outer side of the precast pile foundation and to be pricked into the soil, and has high reliability.
Drawings
Fig. 1 is a schematic perspective view of a large-diameter pre-stressed precast pile foundation according to the present invention;
fig. 2 is a schematic sectional view of a foundation of a large-diameter pre-stressed precast pile according to the present invention;
fig. 3 is a schematic structural view of a part a of a large-diameter pre-stressed precast pile foundation according to the present invention;
fig. 4 is a schematic structural view of a part B of a large-diameter pre-stressed precast pile foundation according to the present invention;
fig. 5 is a schematic structural view of a part C of a large-diameter pre-stressed precast pile foundation according to the present invention;
fig. 6 is a schematic perspective view of a positioning pin, a cylinder, a connecting plate and a three-dimensional structure according to the present invention.
In the figure: 1. a pile foundation body; 2. positioning pins; 3. a cylinder; 4. a connecting plate; 5. connecting holes; 6. a groove; 7. a fixing plate; 8. rotating the plate; 9. a limiting groove; 10. a limiting rod; 11. a limiting plate; 12. a threaded rod; 13. a slide plate; 14. a circular plate; 15. a vertical groove; 16. a vertical plate; 17. a vertical rod; 18. a clamping rod; 19. positioning a groove; 20. and (5) pressing a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a large-diameter prestressed precast pile foundation comprises a pile foundation body 1 and a plurality of positioning pins 2, a groove 6 is formed in the top of the pile foundation body 1, a sliding plate 13 is slidably mounted in the groove 6, a plurality of connecting plates 4 are fixedly mounted at the bottom of the sliding plate 13, connecting holes 5 are formed in the connecting plates 4, through holes are formed in the tops of the positioning pins 2, cylinders 3 are fixedly mounted in the through holes, the cylinders 3 are respectively and slidably connected in the corresponding connecting holes 5, a plurality of inclined holes are formed in the inner wall of the groove 6, the inclined holes are uniformly arranged at equal intervals, the positioning pins 2 are respectively and slidably connected in the corresponding inclined holes, a fixing plate 7 is fixedly mounted in the groove 6, a round hole is formed in the top of the fixing plate 7, a round plate 14 is rotatably mounted in the round hole, a threaded rod 12 is fixedly mounted at the bottom of the round plate 14, and threaded holes are formed in the top of the sliding plate 13, 12 threaded connection of threaded rod is in the threaded hole, and vertical groove 15 has all been seted up to the bottom plate both sides of plectane 14, equal slidable mounting has riser 16 in two vertical groove 15, the top fixed mounting of riser 16 has montant 17, the same commentaries on classics board 8 of the top fixedly connected with of two montants 17, the equal fixed mounting in bottom both sides of commentaries on classics board 8 has kelly 18, a plurality of constant head tanks 19 have been seted up at the top of fixed plate 7, two kellies 18 activity joint respectively are in corresponding constant head tank 19.
In the utility model, the top of the vertical plate 16 is fixedly connected with the pressure springs 20, and the top ends of the two pressure springs 20 are respectively and fixedly connected to the inner walls of the tops of the corresponding vertical grooves 15 to position the vertical plate 16.
According to the utility model, a limiting plate 11 is fixedly mounted on one side of the connecting plate 4, a plurality of limiting grooves 9 are formed in the inner wall of the groove 6, the limiting grooves 9 are uniformly distributed at equal intervals, and the limiting plates 11 are respectively connected in the corresponding limiting grooves 9 in a sliding manner to guide and limit the connecting plate 4 to move vertically.
In the utility model, the same limiting rod 10 is fixedly connected to the top inner wall and the bottom inner wall of the limiting groove 9, and a plurality of limiting plates 11 are respectively sleeved outside the corresponding limiting rods 10 in a sliding manner to guide and limit the limiting plates 11.
In the utility model, two sides of the circular plate 14 are fixedly provided with the baffle plates, and the two baffle plates are movably abutted against the bottom of the fixed plate 7 to limit the circular plate 14.
In the utility model, the inner wall of the top of the vertical groove 15 is provided with a sliding hole, and the two vertical rods 17 are respectively connected in the corresponding sliding holes in a sliding manner to guide the vertical rods 17.
In the utility model, when in use, the pile foundation body 1 is inserted into the ground, then the rotating plate 8 is pulled to move upwards to drive the two vertical rods 17 and the two vertical plates 16 to move upwards and compress the two compression springs 20, meanwhile, the rotating plate 8 drives the two clamping rods 18 to move upwards, so that the two clamping rods 18 are separated from the connection with the positioning groove 19, then the rotating plate drives the two vertical rods 17 and the two vertical plates 16 to rotate, the vertical plates 16 drive the circular plates 14 to rotate synchronously through the matching with the vertical grooves 15, the circular plates 14 drive the threaded rods 12 to rotate, the threaded rods 12 drive the sliding plates 13 to move downwards through the screw transmission with the sliding plates 13 and under the guiding action of the limiting grooves 9 and the limiting rods 10, the sliding plates 13 drive the connecting plates 4 to move downwards, and the connecting plates 4 respectively drive the positioning pins 2 to move towards one side far away from the threaded rods 12 through the matching of the corresponding connecting holes 5 and the corresponding cylinders 3, make a plurality of locating pins 2 stretch out and insert in soil, promote the fixed effect of pile foundation body 1, then loosen commentaries on classics board 8 for riser 16 drives commentaries on classics board 8 and two kellies 18 downstream under the effect of pressure spring 20, makes in its card goes into corresponding constant head tank 19, stabilizes locating pin 2, thereby further promotes the fastness that pile foundation body 1 fixed in soil.
Claims (6)
1. A large-diameter prestressed precast pile foundation comprises a pile foundation body (1) and a plurality of positioning pins (2), and is characterized in that a groove (6) is formed in the top of the pile foundation body (1), a sliding plate (13) is arranged in the groove (6) in a sliding manner, a plurality of connecting plates (4) are fixedly arranged at the bottom of the sliding plate (13), connecting holes (5) are formed in the connecting plates (4), through holes are formed in the tops of the positioning pins (2), cylinders (3) are fixedly arranged in the through holes, the cylinders (3) are respectively connected in the corresponding connecting holes (5) in a sliding manner, a plurality of inclined holes are formed in the inner wall of the groove (6), the inclined holes are uniformly distributed at equal intervals, the positioning pins (2) are respectively connected in the corresponding inclined holes in a sliding manner, a fixing plate (7) is fixedly arranged in the groove (6), a round hole is formed in the top of the fixing plate (7), plectane (14) are installed to the round hole internal rotation, and the bottom fixed mounting of plectane (14) has threaded rod (12), the threaded hole is seted up at the top of slide (13), threaded rod (12) threaded connection is in the threaded hole, and vertical groove (15) have all been seted up to the bottom plate both sides of plectane (14), equal slidable mounting has riser (16) in two vertical groove (15), the top fixed mounting of riser (16) has montant (17), the same commentaries on classics board (8) of the top fixedly connected with of two montants (17), the equal fixed mounting in bottom both sides of commentaries on classics board (8) has kelly (18), a plurality of constant head tanks (19) have been seted up at the top of fixed plate (7), and two kellies (18) activity joint respectively are in corresponding constant head tank (19).
2. The large-diameter prestressed precast pile foundation of claim 1, wherein the top of each vertical plate (16) is fixedly connected with a compression spring (20), and the top ends of the two compression springs (20) are respectively and fixedly connected to the inner wall of the top of the corresponding vertical groove (15).
3. The large-diameter prestressed precast pile foundation according to claim 1, wherein a limiting plate (11) is fixedly mounted on one side of the connecting plate (4), a plurality of limiting grooves (9) are formed in the inner wall of the groove (6), the limiting grooves (9) are uniformly arranged at equal intervals, and the limiting plates (11) are respectively slidably connected in the corresponding limiting grooves (9).
4. The large-diameter prestressed precast pile foundation according to claim 3, wherein the same limiting rod (10) is fixedly connected to the top inner wall and the bottom inner wall of the limiting groove (9), and the plurality of limiting plates (11) are respectively slidably sleeved on the outer sides of the corresponding limiting rods (10).
5. The large-diameter prestressed precast pile foundation as claimed in claim 1, wherein said circular plate (14) is fixedly mounted with baffles on both sides, and both baffles are movably abutted against the bottom of the fixed plate (7).
6. The large-diameter prestressed precast pile foundation as claimed in claim 1, wherein the top inner wall of the vertical groove (15) is provided with a slide hole, and the two vertical rods (17) are respectively connected in the corresponding slide holes in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841844.0U CN216304626U (en) | 2021-08-09 | 2021-08-09 | Large-diameter prestressed precast pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841844.0U CN216304626U (en) | 2021-08-09 | 2021-08-09 | Large-diameter prestressed precast pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216304626U true CN216304626U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841844.0U Active CN216304626U (en) | 2021-08-09 | 2021-08-09 | Large-diameter prestressed precast pile foundation |
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| Country | Link |
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| CN (1) | CN216304626U (en) |
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2021
- 2021-08-09 CN CN202121841844.0U patent/CN216304626U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221230 Address after: 115000 Liaoning Yingkou Liaoning (Yingkou) coastal industrial base, new Union Street 1 East. Patentee after: Yingkou Zhongzhuang building materials Co.,Ltd. Address before: 136600 No. 18, group 5, Dezhong village, Baiquan Town, Dongliao County, Liaoyuan City, Jilin Province Patentee before: Wang Yong |
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| TR01 | Transfer of patent right |