CN219930949U - Variable cross-section mechanical engagement joint for concrete pipe pile - Google Patents
Variable cross-section mechanical engagement joint for concrete pipe pile Download PDFInfo
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- CN219930949U CN219930949U CN202320942994.3U CN202320942994U CN219930949U CN 219930949 U CN219930949 U CN 219930949U CN 202320942994 U CN202320942994 U CN 202320942994U CN 219930949 U CN219930949 U CN 219930949U
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- concrete pipe
- end plate
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- pipe pile
- upper concrete
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- 238000000034 method Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a concrete pipe pile variable cross-section mechanical engagement joint, which is connected between a lower concrete pipe pile and an upper concrete pipe pile; the joint comprises a first end plate and a second end plate which are connected with each other, and connecting pins which can be connected with the lower concrete pipe pile and the upper concrete pipe pile are respectively and fixedly arranged on the end surfaces of the first end plate and the second end plate; the maximum outer diameter of the first end plate is larger than that of the second end plate, and butt joint grooves matched with the connecting pins are formed in the end plates of the lower concrete pipe pile and the upper concrete pipe pile. The utility model realizes the stable connection between the concrete pipe piles with different sections under the connection of the mechanical engagement joint by respectively and correspondingly connecting the two end size conditions of the joint with the first end plate and the second end plate corresponding to the lower concrete pipe pile and the upper concrete pipe pile, thereby saving the cost of engineering in a pile foundation.
Description
Technical Field
The utility model relates to the technical field of concrete pipe pile joints, in particular to a variable cross-section mechanical engagement joint for a concrete pipe pile.
Background
In wind power engineering, concrete pipe piles are often used as a foundation. When the concrete pipe pile is longer, pile splicing technology is needed, and in the current pile splicing technology in the wind power industry, the connection between two piles with the same section is usually not realized for the connection between two piles with different sections, and under the connection condition, the bearing capacity and the stability of the concrete pipe pile are sometimes overlarge, so that the resource waste is caused.
Disclosure of Invention
The utility model aims to provide a mechanical engagement joint for connecting concrete pipe piles with different sections.
For this purpose, the utility model adopts the following technical scheme:
a concrete pipe pile variable cross-section mechanical engagement joint, the joint being connected between a lower concrete pipe pile and an upper concrete pipe pile; the joint comprises a first end plate and a second end plate which are connected with each other, and connecting pins which can be connected with the lower concrete pipe pile and the upper concrete pipe pile are respectively and fixedly arranged on the end surfaces of the first end plate and the second end plate; the maximum outer diameter of the first end plate is larger than that of the second end plate, and butt grooves matched with the connecting pins are formed in the end plates of the lower concrete pipe piles and the upper concrete pipe piles so that the lower concrete pipe piles and the upper concrete pipe piles with different pipe diameters form meshed connection; and pile sleeves connected with the upper concrete pipe piles are arranged on the first end plate or the second end plate in a protruding mode.
Further: the outer surface of the connecting pin is provided with a thread section, and the thread section and the end plate of the upper concrete pipe pile or the lower concrete pipe pile are internally provided with matched connecting pieces connected with the thread section and the end plate.
Further: the outer diameter of the first end plate is consistent with the outer diameter of the lower concrete pipe pile, and the outer diameter of the second end plate is consistent with the outer diameter of the upper concrete pipe pile; and meanwhile, the pile sleeve is arranged on the first end plate with the large diameter and is connected with the upper concrete pipe pile.
Further: the pile sleeve is attached to the outer surface of the upper concrete pipe pile, and the inner diameter of the connecting part is slightly larger than the outer diameter of the upper concrete pipe pile.
Further: the connection portion has a guard interval in a height direction from the first end head plate.
Further: the pile sleeves are arranged in a plurality along the circumferential direction of the upper concrete pipe pile, and the end parts of the adjacent pile sleeves are provided with coincident connecting sections so that the adjacent pile sleeves can be connected in an assembling mode.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model realizes the stable connection between the concrete pipe piles with different sections under the connection of the mechanical engagement joint by respectively and correspondingly connecting the two end size conditions of the joint with the first end plate and the second end plate corresponding to the lower concrete pipe pile and the upper concrete pipe pile, thereby saving the cost of engineering in a pile foundation. Meanwhile, the pile caps are adopted at the joints of the concrete pipe piles for protection, so that collision damage at the pile connecting parts during pile driving can be prevented, and corrosion can be prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model (with half of the pile cover);
FIG. 2 is a schematic diagram of the design structure of the present utility model;
FIG. 3 is a schematic top perspective view of the present utility model with a complete pile cover;
FIG. 4 is a schematic view of the connection of the present utility model with a lower concrete pile and an upper concrete pile;
fig. 5 is a schematic front view of the whole installation of the present utility model.
The marks in the drawings are: the pile comprises a first end plate 1, a second end plate 2, a connecting pin 3, bolts 41, pile sleeves 4, a connecting part 42, a lower concrete pipe pile 5, an upper concrete pipe pile 6 and a butt joint groove 7.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1 to 5, a concrete pipe pile variable cross-section mechanical engagement joint is connected between a lower concrete pipe pile 5 and an upper concrete pipe pile 6; the joint comprises a first end plate 1 and a second end plate 2 which are connected with each other, and connecting pins 3 which can be connected with a lower concrete pipe pile 5 and an upper concrete pipe pile 6 are respectively and fixedly arranged on the end surfaces of the first end plate 1 and the second end plate 2; the maximum outer diameter of the first end plate 1 is larger than that of the second end plate 2, and butt grooves 7 matched with the connecting pins 3 are formed in the end plates of the lower concrete pipe piles 5 and the upper concrete pipe piles 6 so that the lower concrete pipe piles 5 and the upper concrete pipe piles 6 with different pipe diameters are in meshed connection; the first end plate 1 or the second end plate 2 is convexly provided with a pile sleeve 4 connected with an upper concrete pipe pile 6.
As shown in fig. 4 to 5, specifically, the outer surface of the connecting pin 3 is provided with a threaded section, and the threaded section and the end plate of the upper concrete pipe pile 6 or the lower concrete pipe pile 5 are internally provided with a mating connecting piece connected with the threaded section.
The connecting piece in the end plate of the upper concrete pipe pile 6 or the lower concrete pipe pile 5 can adopt a nut, so that the connecting piece is in meshed connection with the threaded section on the connecting pin 3 through external force extrusion, and meanwhile, a connecting pin shell capable of connecting the nut and the first end plate 1 or the second end plate 2 can be arranged in the end plate of the upper concrete pipe pile 6 or the lower concrete pipe pile 5. Thereby realizing the mechanical engagement of the first end plate 1 and the second end plate 2 with the concrete pipe piles with different upper and lower section sizes.
Wherein, the quantity of connecting pin 3 can set up a plurality of, and the quantity and the size of butt joint groove 7 set up with connecting pin 3 is corresponding, and upper portion concrete pipe pile 6 and lower portion concrete pipe pile 5 are equidistant 10 connecting pin 3 of welding in its circumference direction.
As shown in fig. 1 to 3, specifically, the first end plate 1 and the second end plate 2 are both circular steel plates, and at the same time, the inner and outer diameters of the first end plate 1 are consistent with the inner and outer diameters of the lower concrete pipe pile 5, and the inner and outer diameters of the second end plate 2 are consistent with the inner and outer diameters of the upper concrete pipe pile 6; meanwhile, the pile sleeve 4 is arranged on the first end plate 1 with the large diameter and is connected with the upper concrete pipe pile 6.
As shown in fig. 1, the pile cover 4 is attached to the outer surface of the upper concrete pile 6 by a connecting portion 42, and the inner diameter of the connecting portion 42 is slightly larger than the outer diameter of the upper concrete pile 6.
As shown in fig. 1, wherein the connection portion 42 has a guard interval in the height direction from the first end plate 1.
As shown in fig. 1 and 3, in particular, the pile sleeves 4 are provided in a plurality along the circumferential direction of the upper concrete pipe pile 6, and the end portions of the adjacent pile sleeves 4 are provided with overlapping joint sections, so that the adjacent pile sleeves 4 can be spliced.
Wherein, the pile cover 4 can be in a semicircular table shape, preferably two pieces are arranged, the half diameter of the lower bottom of the pile cover 4 is consistent with the outer diameter of the lower concrete pipe pile 5, the half diameter of the upper bottom is slightly larger than the outer diameter of the upper concrete pipe pile 6, and the half diameter of the connecting part 42 on the pile cover 4 is consistent with the outer diameter of the upper concrete pipe pile 6, and a certain gap is preferably arranged, so that the upper concrete pipe pile 6 is inserted into the connecting space surrounded by the pile covers 4.
Meanwhile, the two pile sleeves 4 are determined to be of specific size according to the actual requirement of the concrete pipe pile 6 at the upper part, the optimal length of the overlapping joint section of the end parts of the protruding pile sleeves 4 is 10-100mm, and the thickness of the overlapping joint section is halved relative to the thickness of the pile sleeves 4, so that the two pile sleeves 4 are mutually matched and the overall thickness of the pile sleeves is consistent. Two threaded holes are arranged on the overlapping joint section of the pile sleeves 4 along the direction of the bus bar, and the adjacent pile sleeves 4 are simultaneously connected through bolts 41. After the connection is completed, the pile sleeve 4 is welded with the first end plate 1 and the upper concrete pipe pile 6, so that the tightness of the pile splicing position is ensured, and the joint is prevented from collision damage and corrosion attack.
Referring to fig. 1 to 5, in the case of variable cross-section connection of the joint and the concrete pile, the concrete method is as follows:
when the lower concrete pipe piles 5 and the upper concrete pipe piles 6 with different cross-sectional sizes are connected, the second end plate 2 and the first end plate 1 with the small upper part and the large lower part are correspondingly arranged, and the connecting pins 3 on the first end plate 1 are connected with the butt joint grooves 7 of the lower concrete pipe piles 5 to realize mechanical engagement; and simultaneously, the first end plate 1 is welded with the pile sleeve 4, so that the connection between the second end plate 2 and the upper concrete pipe pile 6 is performed and completed.
The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.
Claims (6)
1. A concrete pipe pile variable cross-section mechanical engagement joint, the joint being connected between a lower concrete pipe pile (5) and an upper concrete pipe pile (6); the method is characterized in that: the connector comprises a first end plate (1) and a second end plate (2) which are connected with each other, and connecting pins (3) which can be connected with the lower concrete pipe piles (5) and the upper concrete pipe piles (6) are respectively and fixedly arranged on the end surfaces of the first end plate (1) and the second end plate (2);
the maximum outer diameter of the first end plate (1) is larger than the maximum outer diameter of the second end plate (2), and butt grooves (7) matched with the connecting pins (3) are formed in the end plates of the lower concrete pipe piles (5) and the upper concrete pipe piles (6) so that the lower concrete pipe piles (5) and the upper concrete pipe piles (6) with different pipe diameters form meshed connection;
pile sleeves (4) connected with the upper concrete pipe piles (6) are arranged on the first end plates (1) or the second end plates (2) in a protruding mode.
2. The concrete pipe pile variable cross-section mechanical engagement joint according to claim 1, wherein: the outer surface of the connecting pin (3) is provided with a thread section, and the thread section and the end plate of the upper concrete pipe pile (6) or the lower concrete pipe pile (5) are internally provided with a matched connecting piece connected with the thread section.
3. The concrete pipe pile variable cross-section mechanical engagement joint according to claim 1, wherein: the outer diameter of the first end plate (1) is consistent with the outer diameter of the lower concrete pipe pile (5), and the outer diameter of the second end plate (2) is consistent with the outer diameter of the upper concrete pipe pile (6); and the pile sleeve (4) is arranged on the first end plate (1) with the large diameter and is connected with the upper concrete pipe pile (6).
4. The concrete pipe pile variable cross-section mechanical engagement joint according to claim 1, wherein: and the pile sleeve (4) is attached to the connecting part (42) arranged on the outer surface of the upper concrete pipe pile (6), and the inner diameter of the connecting part (42) is slightly larger than the outer diameter of the upper concrete pipe pile (6).
5. The variable cross-section mechanical engagement joint for concrete pipe piles according to claim 4, wherein: the connecting portion (42) has a guard interval in the height direction from the first end plate (1).
6. The concrete pipe pile variable cross-section mechanical engagement joint according to claim 1, wherein: the pile sleeves (4) are arranged in a plurality along the circumferential direction of the upper concrete pipe piles (6), and the end parts of the adjacent pile sleeves (4) are provided with coincident connecting sections so that the adjacent pile sleeves (4) can be connected in an assembling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942994.3U CN219930949U (en) | 2023-04-19 | 2023-04-19 | Variable cross-section mechanical engagement joint for concrete pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942994.3U CN219930949U (en) | 2023-04-19 | 2023-04-19 | Variable cross-section mechanical engagement joint for concrete pipe pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219930949U true CN219930949U (en) | 2023-10-31 |
Family
ID=88488293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320942994.3U Active CN219930949U (en) | 2023-04-19 | 2023-04-19 | Variable cross-section mechanical engagement joint for concrete pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930949U (en) |
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2023
- 2023-04-19 CN CN202320942994.3U patent/CN219930949U/en active Active
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