CN211285579U - Quick pile extension is to stake, anti-pulling concrete precast pile joint - Google Patents
Quick pile extension is to stake, anti-pulling concrete precast pile joint Download PDFInfo
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- CN211285579U CN211285579U CN201921901290.1U CN201921901290U CN211285579U CN 211285579 U CN211285579 U CN 211285579U CN 201921901290 U CN201921901290 U CN 201921901290U CN 211285579 U CN211285579 U CN 211285579U
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- pile
- concrete precast
- barbs
- steel
- stake
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Abstract
The utility model relates to a pile extension fast connects stake, anti concrete precast pile that pulls out connects relates to concrete precast pile extension field, discloses a concrete precast pile connects, including the plush copper portion and the pile bolck portion down of going up the pile base, go up plush copper portion including building in pile body part and pile head part, the pile head divide into the cylinder type band-thread steel that stretches out and pastes in the strong magnet piece of pile head, builds in the cylinder type steel that pile body part is the area barb, and it is a whole with pile head part cylinder type band-thread steel and strong magnet piece. The lower pile top concave cap part is hollow cylindrical section steel which is built in the pile body and internally provided with screw threads and barbs, and the concave cap cylindrical section steel and the lower pile concave cap exposed iron ring are integrated. Above-mentioned precast concrete pile connects in actual engineering application, and the magnetism of powerful magnet can be fast accurate to the stake, rotates the pile body behind the stake and can connect the stake fast, and the resistance to plucking dynamics of stake has been strengthened to the powerful mechanical interlock force of screw thread and screw thread.
Description
Technical Field
The utility model relates to a precast concrete pile field specifically is a pile extension fast connects to stake, anti concrete precast pile that pulls out.
Background
The concrete precast pile is widely used due to the advantages of stable quality, convenient construction and the like. During pile driving, the situation that the pile tip cannot enter a bearing stratum and the pile top is below the elevation of the base due to geological problems or insufficient pile length and the like can occur, and pile splicing is needed at this time. Most of the traditional pipe pile connections are connected by hanging piles, the piles are very difficult to connect, and pile connecting workers often need to spend a lot of time and carefully align the piles. And the traditional tubular pile connection mostly adopts manual welding, the welding quality is influenced by human factors and weather conditions, the welding seam quality is difficult to control, time and labor are wasted, and meanwhile, the tensile and anti-pulling performance is difficult to completely ensure, so that the quality of the whole construction project is influenced.
Disclosure of Invention
In order to overcome the shortcoming of the prior art, the utility model provides a pile extension fast connects stake, anti concrete precast pile that pulls out, improves pile extension efficiency and quality.
The utility model discloses a realize with following technical scheme: a quick pile-splicing pile-aligning anti-pulling concrete precast pile joint comprises a raised head at the bottom of an upper pile and a concave cap at the top of a lower pile, wherein the raised head is cylindrical steel, external threads are carved at one end of the cylindrical steel, a plurality of barbs are arranged at the other end of the cylindrical steel, a magnet piece is arranged in the middle of the cylindrical steel, the barb parts of the cylindrical steel are built on a pile body at the bottom of the upper pile, and the magnet piece and the external threads are built on the pile head at the bottom of the upper pile; concave cap adopts and cylindrical steel matched with hollow cylinder shaped steel, and hollow cylinder shaped steel inner wall is equipped with the internal thread, and the outer wall is equipped with a plurality of barbs. Which is integrated with the exposed iron ring of the concave cap.
Preferably, the magnet piece is a strong magnet.
Preferably, the external thread end of the cylindrical steel is provided with a contraction opening with the height of more than 5mm and the contraction inclination angle of more than 30 degrees.
Preferably, the elongation of the barb should be greater than 2/3 of stake wall thickness, and should leave 8mm ~ 15mm protective layer, and should be connected with the reinforcing bar in the stake, and the barb is the solid cylinder of diameter more than 6 mm.
Preferably, the barbs are distributed in a staggered mode from top to bottom at equal intervals, wherein the barbs at the positions not lower than 20 on the hollow cylindrical steel are not lower than 15 on the hollow cylindrical steel.
Preferably, the arrangement length of the barbs arranged on the pile joint convex head is not less than the length of the vertical ruler at the starting end of the thread.
Preferably, the barb arrangement length arranged on the concave cap of the pile joint is more than or equal to the barb arrangement length arranged on the raised head.
Preferably, the length of the range of the thread engraved on the male and female caps should be not less than 17 cm, measured perpendicularly from the beginning of the thread.
The utility model has the advantages that: the potential safety hazard that traditional pile splicing quality is poor to lead to can be solved, pile splicing quality is improved, the loaded down with trivial details and the higher requirement to welding process of traditional manual electric welding are saved, efficiency of construction is improved for the construction progress.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a connection diagram of a reinforcement cage and a raised head arranged on the pile body.
Fig. 3 is a connection diagram of the reinforcement cage and the concave cap.
In the figure: 1. the pile comprises barbs, 2 external threads, 3 magnet pieces, 4 cylindrical section steel, 5 pile body reinforcement cages, 6 reinforcement bent hooks, 7 contraction openings, 8 concave cap exposed iron rings, 9 hollow cylindrical section steel and 10 internal threads.
Detailed Description
As shown in fig. 1, a rapid pile-splicing pile-pairing and uplift-resistant concrete precast pile joint comprises a raised head at the bottom of an upper pile and a concave cap at the top of a lower pile, wherein the raised head is a cylindrical steel 4, an external thread 2 is carved at one end of the cylindrical steel 4, a plurality of barbs 1 are arranged at the other end of the cylindrical steel 4, a magnet piece 3 is arranged in the middle of the cylindrical steel 4, the barbs 1 of the cylindrical steel 4 are partially built on a pile body at the bottom of the upper pile, and the magnet piece 3 and the external thread 2 are partially built on the pile head at the bottom of the upper pile; the concave cap adopts hollow cylinder shaped steel 9 with 4 matched with of cylindrical steel, and hollow cylinder shaped steel inner wall is equipped with internal thread 10, and the outer wall is equipped with a plurality of barbs 1.
The barb 1 is used for enhancing the connection strength of the joint member built on the pile body part and the pile, improving the integrity and enhancing the uplift strength of the pile. The elongation of the barb 1 is greater than 2/3 of the thickness of the pile wall, a protective layer of 8-15 mm is reserved and is connected with the steel bar in the pile, and the barb is a solid cylinder with the diameter of more than 6 mm. The barbs 1 are distributed in a staggered mode at equal intervals, wherein the barbs at the positions not lower than 20 on the hollow cylindrical section steel 9 are not lower than 15 on the cylindrical section steel 4. The arrangement length of barbs (1) arranged on the pile joint convex head is not less than the vertical scale length of the thread starting end. The arrangement length of the barbs (1) arranged on the pile joint concave cap is more than or equal to the arrangement length of the barbs (1) arranged on the convex head.
The external thread end of the cylindrical steel 4 is provided with a contraction opening 7 with the height larger than 5mm and the contraction inclination angle larger than 30 degrees, and the contraction opening 7 can accelerate pile splicing.
The protruding head part is provided with a threaded cylindrical section steel, and the extending length of the protruding section steel extending from the bottom edge of the magnet sheet can be set according to practical engineering application, but is not less than 17 cm. The concave cap part is internally provided with a threaded cylindrical section steel, and the distance from the bottom edge of the concave cap exposed iron ring 8 to the bottom edge of the cylindrical section steel can be set according to practical engineering application, but is not less than 15 cm. The part below the concave cap can be carved into threads by using pile body concrete, and a small amount of concave caps made of steel can be replaced, so that the steel can be saved.
The threads of the raised head and the concave cap are smooth and can be well butted, the thickness of the threads is set according to practical engineering such as the application of the pile and the like, but is more than 4 mm, and the insufficient mechanical biting force during pile splicing is avoided.
As shown in fig. 2 and fig. 3, in the practical engineering use, the barb parts of the convex head and the concave cap are connected with a pile body reinforcement cage 5 arranged in the pile body, a reinforcement hook 6 can be arranged at the connection part with the barb, the barb is hooked, then concrete is poured, welding and binding connection can be adopted according to the practical engineering situation, the steel concave cap and the convex head can replace a reinforcement framework of the original pile end head part, and the using amount of the reinforcement is saved.
The fabricated parts are connected with a pile body steel reinforcement framework in a butt joint mode in a concrete precast pile factory, then concrete is poured, pile connecting openings are quickly aligned in the pile connecting process, and pile connecting can be conducted by rotating upper piles.
Claims (8)
1. The utility model provides a pile extension is fast to stake, anti concrete precast pile connects, includes the protruding head at the bottom of last stake and the concave cap on lower pile bolck, its characterized in that: the raised head is cylindrical steel (4), external threads (2) are carved at one end of the cylindrical steel (4), a plurality of barbs (1) are arranged at the other end of the cylindrical steel (4), a magnet piece (3) is arranged in the middle of the cylindrical steel, the barbs (1) of the cylindrical steel (4) are partially built on a pile body at the bottom of the upper pile, and the strong magnet piece (3) and the external threads (2) are partially built on a pile head at the bottom of the upper pile; concave cap adopts hollow cylinder shaped steel (9) with cylindrical steel (4) matched with, and hollow cylinder shaped steel inner wall is equipped with internal thread (10), and the outer wall is equipped with a plurality of barbs (1).
2. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 1, wherein: the magnet piece (3) is a strong magnet.
3. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 1, wherein: the external thread end of the cylindrical steel (4) is provided with a contraction opening (7) with the height larger than 5mm and the contraction inclination angle larger than 30 degrees.
4. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 1, wherein: the elongation of the barb (1) is greater than 2/3 of the thickness of the pile wall, a protective layer of 8-15 mm is reserved and is connected with a steel bar in the pile, and the barb is a solid cylinder with the diameter of more than 6 mm.
5. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 4, wherein: barb (1) equidistant stagger distribution from top to bottom, wherein be not less than 20 barbs on hollow cylinder shaped steel (9), cylindrical steel (4) are not less than 15 barbs.
6. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 1, wherein: the arrangement length of barbs (1) arranged on the pile joint convex head is not less than the vertical scale length of the thread starting end.
7. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 6, wherein: the arrangement length of the barbs (1) arranged on the pile joint concave cap is more than or equal to the arrangement length of the barbs (1) arranged on the convex head.
8. The quick pile-splicing pile-aligning uplift concrete precast pile joint as claimed in claim 1, wherein: the length of the range of the screw thread carved on the raised head and the concave cap is not less than 17 cm from the vertical ruler length of the screw thread starting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901290.1U CN211285579U (en) | 2019-11-06 | 2019-11-06 | Quick pile extension is to stake, anti-pulling concrete precast pile joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901290.1U CN211285579U (en) | 2019-11-06 | 2019-11-06 | Quick pile extension is to stake, anti-pulling concrete precast pile joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211285579U true CN211285579U (en) | 2020-08-18 |
Family
ID=72033671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921901290.1U Expired - Fee Related CN211285579U (en) | 2019-11-06 | 2019-11-06 | Quick pile extension is to stake, anti-pulling concrete precast pile joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211285579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709232A (en) * | 2020-12-29 | 2021-04-27 | 东北大学 | Recyclable deep foundation pit pile anchor supporting device |
| CN113585240A (en) * | 2021-09-03 | 2021-11-02 | 辽宁科技大学 | Concrete filled steel tube pile integrated structure and construction method |
-
2019
- 2019-11-06 CN CN201921901290.1U patent/CN211285579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709232A (en) * | 2020-12-29 | 2021-04-27 | 东北大学 | Recyclable deep foundation pit pile anchor supporting device |
| CN113585240A (en) * | 2021-09-03 | 2021-11-02 | 辽宁科技大学 | Concrete filled steel tube pile integrated structure and construction method |
| NL2032920A (en) * | 2021-09-03 | 2023-03-10 | Univ Science & Technology Liaoning | Concrete filled steel tubular pile-column integrated structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |