CN114411704A - Pin-connected panel precast concrete side's stake - Google Patents
Pin-connected panel precast concrete side's stake Download PDFInfo
- Publication number
- CN114411704A CN114411704A CN202210185914.4A CN202210185914A CN114411704A CN 114411704 A CN114411704 A CN 114411704A CN 202210185914 A CN202210185914 A CN 202210185914A CN 114411704 A CN114411704 A CN 114411704A
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- Prior art keywords
- block
- square pile
- groove
- cylindrical
- pile body
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 239000004567 concrete Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- -1 chloride Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an assembled precast concrete square pile, which comprises a square pile body, wherein the lower end of the square pile body is provided with an inserting component, and the upper end of the square pile body is provided with a groove component corresponding to the inserting component; the splicing component comprises a cylindrical splicing block positioned at the lower end of the square pile body, the bottom surface of the cylindrical splicing block is an arc convex surface, and two symmetrically distributed limiting pieces are further arranged on the side wall of the cylindrical splicing block; the groove component comprises a cylindrical groove corresponding to the cylindrical insert block, guide grooves corresponding to the limiting pieces are arranged on the side walls of the cylindrical groove, and limiting grooves corresponding to the limiting pieces are respectively arranged between the bottoms of the two guide grooves; the bottom surface of the cylindrical groove is provided with a centering arc-shaped concave surface matched with the arc-shaped convex surface; and a sealing block is also inserted in the guide groove. The invention has the characteristics of convenient installation and capability of effectively improving the connection strength of the connection part of two square piles.
Description
Technical Field
The invention relates to a concrete pile, in particular to an assembled precast concrete square pile.
Background
With the pace of the urbanization process in China being accelerated, the development and utilization of underground space are developed rapidly, and buildings with uplift resistance requirements are increasing and the depth is also increasing, so that concrete piles are an indispensable important part of a building foundation, not only bear upper buildings, but also ensure the stability of the upper buildings. Because the quality and the stability of the pipe-sinking cast-in-place pile are relatively poor, the precast concrete pile has the advantages of stronger load capacity, smaller settlement deformation, higher efficiency and the like, and is used by more and more building enterprises, and the precast concrete square pile is one of pile types. Because different buildings, the building height is different, so required pile foundation depth is also different, in order to better satisfy practical use, the existing concrete square pile generally adopts standardized production, several types of concrete square piles with different lengths are produced, so that in the subsequent piling process, piles with different lengths can be selected according to different requirements, and each concrete square pile is spliced to form a pile body with longer length in the piling process, thereby satisfying the use of each construction site. The splicing of the existing concrete square piles is generally to connect two adjacent concrete square piles into a whole by adopting a welding mode, namely, steel plates are arranged at two ends of each concrete square pile, and the square piles are connected by mutual welding of the steel plates; when the method is adopted for connection, firstly, two square piles need to be centered, the verticality of the two square piles is ensured to be within a set range, a guide hoop needs to be arranged at the pile head of the lower pile during pile extension to ensure the horizontal welding of the upper pile and the lower pile, two welders need to symmetrically weld the two sides of the pile during welding, and the whole installation process is troublesome, time-consuming and labor-consuming; meanwhile, after the connected pile bodies are pressed into the ground during pile pressing, salt, particularly chloride, contained in soil corrodes steel plates exposed in the soil, so that the connection between the piles is broken, and the connected piles are disconnected. Therefore, the prior art has the problems of inconvenient installation and easy disconnection of the connection part of two square piles.
Disclosure of Invention
The invention aims to provide an assembled precast concrete square pile. The invention has the characteristics of convenient installation and capability of effectively improving the connection strength of the connection part of two square piles.
The technical scheme of the invention is as follows: an assembled precast concrete square pile comprises a square pile body, wherein the lower end of the square pile body is provided with an inserting component, and the upper end of the square pile body is provided with a groove component corresponding to the inserting component; the splicing component comprises a cylindrical splicing block positioned at the lower end of the square pile body, the bottom surface of the cylindrical splicing block is an arc convex surface, and two symmetrically distributed limiting pieces are further arranged on the side wall of the cylindrical splicing block; the groove component comprises a cylindrical groove corresponding to the cylindrical insert block, guide grooves corresponding to the limiting pieces are arranged on the side walls of the cylindrical groove, and limiting grooves corresponding to the limiting pieces are respectively arranged between the bottoms of the two guide grooves; the bottom surface of the cylindrical groove is provided with a centering arc-shaped concave surface matched with the arc-shaped convex surface; and a sealing block is also inserted in the guide groove.
In the assembling type precast concrete square pile, the top and bottom sides of the square pile body are respectively provided with an upper cone and a lower cone which are matched with each other, the upper cone and the lower cone are respectively provided with a group of connecting holes which are distributed in an annular manner, and bolts for fixing the upper cone and the lower cone are arranged in the connecting holes.
In the above-mentioned pin-connected panel precast concrete square pile, the upper surface of the upper cone is provided with one or more circles of annular seal grooves which are distributed concentrically, and the lower surface of the lower cone is provided with a seal ring corresponding to the annular seal groove.
In the assembled precast concrete square pile, the positioning magnetic absorption block is embedded in the bottom surface of the guide groove, and the fixed iron block corresponding to the positioning magnetic absorption block is arranged at the bottom of the sealing block.
In the assembled precast concrete square pile, the pre-attracting magnetic block embedded in the side wall of the cylindrical insert block is further arranged above the limiting piece, and the predetermined iron block corresponding to the pre-attracting magnetic block is embedded in the inner wall of the sealing block.
In the assembled precast concrete square pile, the inner side of the top end of the sealing block is provided with a clamping block, and the top end of the cylindrical insertion block is provided with an annular clamping groove; the bottom surface of the square pile body is also provided with an annular preformed groove matched with the sealing block and the clamping block, and the annular clamping groove is positioned below the annular preformed groove.
In the pin-connected panel precast concrete square pile, spacing upper surface is equipped with a set of evenly distributed's pressure spring, and the pressure spring top is equipped with the preforming, and the preforming both ends are equipped with the guide vane that articulates there is the slope.
Compared with the prior art, the upper end and the lower end of the square pile body are respectively provided with the groove component and the inserting component, and the inserting component and the groove component on the upper concrete square pile and the lower concrete square pile are matched with each other, so that the pile splicing operation of the upper concrete square pile and the lower concrete square pile can be realized only by inserting the upper square pile into the lower square pile and rotating the upper square pile and the lower square pile. Specifically, the splicing component of the invention comprises a cylindrical splicing block, a limiting piece arranged on the side wall of the cylindrical splicing block and an arc convex surface at the bottom, and is matched with a cylindrical groove, a guide groove, a limiting groove, a centering arc concave surface and a sealing block, so that omnibearing limiting can be realized, self-locking can be realized without using other fixing measures, quick positioning of spliced square piles can be realized through the mutual matching of the guide groove, the limiting piece, the arc convex surface and the centering arc concave surface, and the two square piles can be quickly in a coaxial state, so that the centering and positioning of the square piles are greatly facilitated, the contact area at the bottom can be increased, the stability can be improved, the limiting groove and the limiting piece are clamped with each other through rotating the square piles above the adjacent piles to be spliced, and further the quick limiting (up-down limiting) between the two square piles can be realized, and through mutually supporting between sealed piece and the guide way, can prevent that last square pile from taking place to rotate (circumferencial direction spacing), thereby can guarantee the stability of connecting and very big improvement joint strength. The whole installation process is convenient and simple, time and labor are saved, and therefore the installation efficiency can be effectively improved. In addition, the upper cone and the lower cone are arranged at the upper end and the lower end of the side wall of the square pile body and fixed through the bolts, so that double connection is realized, and the firmness of the connection position is further improved. In conclusion, the invention has the characteristics of convenient installation and capability of effectively improving the connection strength of the connection part of the two square piles.
In addition, the positioning magnetic absorption block is arranged on the bottom surface of the guide groove, the fixed iron block is arranged at the bottom of the sealing block, so that the sealing block can be absorbed in the guide groove, and the strength of the splicing part of the two square piles is further improved through the mutual matching between the clamping block at the top end of the sealing block and the annular clamping groove at the top end of the cylindrical insertion block. Meanwhile, the pre-attracting magnetic block is arranged on the side wall of the cylindrical insertion block, and the predetermined iron block is arranged on the inner wall of the sealing block, so that the sealing block can be adsorbed on the side wall of the cylindrical insertion block in advance during assembly, subsequent installation is facilitated, and great convenience is brought to installation.
According to the invention, the compression spring, the pressing sheet and the guide sheet are arranged on the upper surface of the limiting sheet, so that the limiting sheet can be tightly attached to the lower surface of the limiting groove, and the stability of the connection part is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a top view of the spacing piece and the cylindrical insert;
fig. 4 is an installation view of the sealing block in another square pile in an initial state of assembling.
The labels in the figures are: 1-square pile body, 2-plug-in assembly, 3-groove assembly, 4-sealing block, 5-upper cone, 6-lower cone, 7-annular sealing groove, 8-sealing ring, 9-positioning magnetic attracting block, 10-fixed iron block, 11-pre-magnetic attracting block, 12-predetermined iron block, 13-clamping block, 14-annular preformed groove, 201-cylindrical plug block, 202-arc convex surface, 203-limiting plate, 204-annular clamping groove, 205-pressing spring, 206-pressing sheet, 207-guiding sheet, 301-cylindrical groove, 302-guiding groove, 303-limiting groove and 304-centering arc concave surface.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. An assembled precast concrete square pile is shown in figures 1 to 4 and comprises a square pile body 1, wherein the lower end of the square pile body 1 is provided with an inserting component 2, and the upper end of the square pile body 1 is provided with a groove component 3 corresponding to the inserting component 2; the splicing component 2 comprises a cylindrical splicing block 201 positioned at the lower end of the square pile body 1, the bottom surface of the cylindrical splicing block 201 is an arc convex surface 202, and two limiting pieces 203 which are symmetrically distributed are further arranged on the side wall of the cylindrical splicing block 201; the groove component 3 comprises a cylindrical groove 301 corresponding to the cylindrical insert block 201, guide grooves 302 corresponding to the limiting pieces 203 are arranged on the side walls of the cylindrical groove 301, and limiting grooves 303 corresponding to the limiting pieces 203 are respectively arranged between the bottoms of the two guide grooves 302; the bottom surface of the cylindrical groove 301 is provided with a centering arc concave surface 304 matched with the arc convex surface 202; a sealing block 4 is also inserted into the guide groove 302.
The square pile body is characterized in that the top and the bottom side of the square pile body 1 are respectively provided with an upper cone 5 and a lower cone 6 which are matched with each other, the upper cone 5 and the lower cone 6 are respectively provided with a group of connecting holes which are distributed in an annular mode, and bolts used for fixing the upper cone 5 and the lower cone 6 are arranged in the connecting holes.
The upper surface of the upper cone 5 is provided with one or more circles of annular sealing grooves 7 which are distributed in a concentric circle manner, and the lower surface of the lower cone 6 is provided with a sealing ring 8 corresponding to the annular sealing grooves 7.
The bottom surface of the guide groove 302 is embedded with a positioning magnetic absorption block 9, and the bottom of the sealing block 4 is provided with a fixed iron block 10 corresponding to the positioning magnetic absorption block 9.
The upper part of the limiting sheet 203 is also provided with a pre-attracting magnetic block 11 embedded on the side wall of the cylindrical insertion block 201, and the inner wall of the sealing block 4 is embedded with a predetermined iron block 12 corresponding to the pre-attracting magnetic block 11.
A clamping block 13 is arranged on the inner side of the top end of the sealing block 4, and an annular clamping groove 204 is formed in the top end of the cylindrical inserting block 201; the bottom surface of the square pile body 1 is also provided with an annular preformed groove 14 matched with the sealing block 4 and the clamping block 13, and the annular clamping groove 204 is positioned below the annular preformed groove 14.
The upper surface of the limiting piece 203 is provided with a group of compression springs 205 which are uniformly distributed, a pressing piece 206 is arranged above the compression springs 205, and two ends of the pressing piece 206 are provided with guide pieces 207 which are hinged to be inclined.
The spacing piece is the loop configuration, and spacing piece's contained angle is 90 degrees.
Vertical positioning grooves are further formed in the two side walls of the guide groove, and vertical positioning strips corresponding to the positioning grooves are arranged on the two side walls of the sealing block.
The working process of the invention is as follows: in the initial state, the sealing block is placed in the guide groove, when two concrete square piles need to be spliced, the sealing block in the concrete square pile below needs to be taken out firstly, then the sealing block is placed on the side wall of the cylindrical insert block on the concrete square pile above, the sealing block is adsorbed at a corresponding position through the mutual matching between the pre-attracting magnetic block and the preset iron block (as shown in figure 4), then the concrete above is hoisted, so that the cylindrical insert block at the bottom of the concrete above corresponds to the cylindrical groove at the top of the concrete below, the position is adjusted, the limiting piece is clamped into the guide groove, under the action of gravity, the limiting piece and the sealing block descend in the guide groove until the limiting piece is contacted with the bottom surface of the guide groove, the arc-shaped convex surface is contacted with the centering arc-shaped concave surface, then the concrete square pile above is slowly rotated, and when the limiting piece is completely rotated into the limiting groove (the embodiment is set to be rotated by 90 degrees), the sealed piece loses the support of spacing piece, will continue to descend, inhales the magnetic stripe mutually with the location until the fixed iron plate of sealed piece bottom, accomplishes spacing to spacing piece, and meanwhile, the fixture block of sealed piece upper end also can be with ring groove looks block, realizes the block of upper end, further improves stability. After the steps are completed, self-locking is completed between the upper square pile and the lower square pile, and then the upper cone and the lower cone are connected and fixed through bolts, so that the connection stability is further improved. Meanwhile, the sealing performance is effectively improved through the matching of the sealing groove and the sealing ring, and the corrosion phenomenon inside the splicing part is prevented.
In addition, the upper cone and the lower cone are arranged, so that the contact area of the square pile in soil can be changed, and the pulling resistance can be effectively improved.
Claims (7)
1. The utility model provides a pin-connected panel precast concrete square pile which characterized in that: the pile comprises a square pile body (1), wherein the lower end of the square pile body (1) is provided with an inserting component (2), and the upper end of the square pile body (1) is provided with a groove component (3) corresponding to the inserting component (2); the splicing component (2) comprises a cylindrical splicing block (201) positioned at the lower end of the square pile body (1), the bottom surface of the cylindrical splicing block (201) is an arc convex surface (202), and two symmetrically distributed limiting pieces (203) are further arranged on the side wall of the cylindrical splicing block (201); the groove component (3) comprises a cylindrical groove (301) corresponding to the cylindrical insert block (201), guide grooves (302) corresponding to the limiting pieces (203) are formed in the side walls of the cylindrical groove (301), and limiting grooves (303) corresponding to the limiting pieces (203) are formed between the bottoms of the two guide grooves (302); the bottom surface of the cylindrical groove (301) is provided with a centering arc concave surface (304) matched with the arc convex surface (202); and a sealing block (4) is also inserted into the guide groove (302).
2. The assembled precast concrete square pile of claim 1, wherein: the square pile body is characterized in that the top and the bottom of the square pile body (1) are respectively provided with an upper cone (5) and a lower cone (6) which are matched with each other, the upper cone (5) and the lower cone (6) are respectively provided with a group of connecting holes which are distributed in an annular mode, and bolts used for fixing the upper cone (5) and the lower cone (6) are arranged in the connecting holes.
3. The assembled precast concrete square pile of claim 2, wherein: go up cone (5) upper surface and be annular seal groove (7) that the concentric circles distributes that are equipped with one or more circles, the lower surface of lower cone (6) is equipped with sealing washer (8) corresponding with annular seal groove (7).
4. The assembled precast concrete square pile of claim 1, wherein: the bottom surface of the guide groove (302) is embedded with a positioning magnetic absorption block (9), and the bottom of the sealing block (4) is provided with a fixed iron block (10) corresponding to the positioning magnetic absorption block (9).
5. The assembled precast concrete square pile of claim 1, wherein: the upper part of the limiting piece (203) is also provided with a pre-attracting magnetic block (11) embedded on the side wall of the cylindrical insertion block (201), and the inner wall of the sealing block (4) is embedded with a predetermined iron block (12) corresponding to the pre-attracting magnetic block (11).
6. The assembled precast concrete square pile of claim 1, wherein: a clamping block (13) is arranged on the inner side of the top end of the sealing block (4), and an annular clamping groove (204) is formed in the top end of the cylindrical inserting block (201); the bottom surface of the square pile body (1) is further provided with an annular preformed groove (14) matched with the sealing block (4) and the clamping block (13), and the annular clamping groove (204) is located below the annular preformed groove (14).
7. The assembled precast concrete square pile of claim 1, wherein: the upper surface of the limiting piece (203) is provided with a group of compression springs (205) which are uniformly distributed, a pressing piece (206) is arranged above the compression springs (205), and two ends of the pressing piece (206) are provided with guide pieces (207) which are hinged to be inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185914.4A CN114411704B (en) | 2022-02-28 | 2022-02-28 | Assembled precast concrete square pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185914.4A CN114411704B (en) | 2022-02-28 | 2022-02-28 | Assembled precast concrete square pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411704A true CN114411704A (en) | 2022-04-29 |
| CN114411704B CN114411704B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210185914.4A Active CN114411704B (en) | 2022-02-28 | 2022-02-28 | Assembled precast concrete square pile |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266198A (en) * | 1997-03-21 | 1998-10-06 | Kodama Concrete Kogyo Kk | Steel-framed under-reamed pile by precast pile and constructing method thereof |
| CN104878758A (en) * | 2015-06-09 | 2015-09-02 | 周兆弟 | Insertion connecting component with tension connection function |
| CN105002886A (en) * | 2015-06-09 | 2015-10-28 | 周兆弟 | Strong pull fastening structure |
| CN205662922U (en) * | 2016-03-30 | 2016-10-26 | 威海齐德新型建材有限公司 | Precast pile connector |
| CN209703484U (en) * | 2019-01-09 | 2019-11-29 | 袁雪峰 | A kind of mechanical splice and precast concrete pile |
| CN210086233U (en) * | 2019-04-09 | 2020-02-18 | 连云港晟宇新型建材有限公司 | Concrete pipe pile butt-joint structure |
| CN211773597U (en) * | 2019-10-25 | 2020-10-27 | 周兆弟 | Self-locking pile splicing mechanism and precast pile |
| CN214460353U (en) * | 2020-10-29 | 2021-10-22 | 周兆弟 | Splicing retaining structure for building and precast pile combination |
| CN113618875A (en) * | 2021-09-14 | 2021-11-09 | 连云港市连大管桩工程有限公司 | Precast concrete square pile with reinforced connecting structure and production method thereof |
| CN217128199U (en) * | 2022-02-28 | 2022-08-05 | 浙江大学建筑设计研究院有限公司 | Assembled precast concrete square pile |
-
2022
- 2022-02-28 CN CN202210185914.4A patent/CN114411704B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266198A (en) * | 1997-03-21 | 1998-10-06 | Kodama Concrete Kogyo Kk | Steel-framed under-reamed pile by precast pile and constructing method thereof |
| CN104878758A (en) * | 2015-06-09 | 2015-09-02 | 周兆弟 | Insertion connecting component with tension connection function |
| CN105002886A (en) * | 2015-06-09 | 2015-10-28 | 周兆弟 | Strong pull fastening structure |
| CN205662922U (en) * | 2016-03-30 | 2016-10-26 | 威海齐德新型建材有限公司 | Precast pile connector |
| CN209703484U (en) * | 2019-01-09 | 2019-11-29 | 袁雪峰 | A kind of mechanical splice and precast concrete pile |
| CN210086233U (en) * | 2019-04-09 | 2020-02-18 | 连云港晟宇新型建材有限公司 | Concrete pipe pile butt-joint structure |
| CN211773597U (en) * | 2019-10-25 | 2020-10-27 | 周兆弟 | Self-locking pile splicing mechanism and precast pile |
| CN214460353U (en) * | 2020-10-29 | 2021-10-22 | 周兆弟 | Splicing retaining structure for building and precast pile combination |
| CN113618875A (en) * | 2021-09-14 | 2021-11-09 | 连云港市连大管桩工程有限公司 | Precast concrete square pile with reinforced connecting structure and production method thereof |
| CN217128199U (en) * | 2022-02-28 | 2022-08-05 | 浙江大学建筑设计研究院有限公司 | Assembled precast concrete square pile |
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| CN114411704B (en) | 2023-11-28 |
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