CN215329857U - Anti-cracking prestressed concrete tubular pile end plate structure - Google Patents
Anti-cracking prestressed concrete tubular pile end plate structure Download PDFInfo
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- CN215329857U CN215329857U CN202121368975.1U CN202121368975U CN215329857U CN 215329857 U CN215329857 U CN 215329857U CN 202121368975 U CN202121368975 U CN 202121368975U CN 215329857 U CN215329857 U CN 215329857U
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- end plate
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- prestressed concrete
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 30
- 238000005336 cracking Methods 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 37
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000001934 delay Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of prestressed concrete tubular piles, and discloses an anti-cracking prestressed concrete tubular pile end plate structure.A mounting ring and an upper end plate of a lower end plate are firstly connected in a threaded hole after penetrating through a kidney-shaped hole through a plurality of fixing bolts before being mounted, so that the mounting ring and the upper end plate are reinforced; at the moment, the first welding seam arranged at the intersection of the peripheral side of the mounting ring and the peripheral side of the upper end plate is not easy to crack in the long-term use process; the arrangement of the waist-shaped hole facilitates the threaded connection of the fixing bolt in the threaded hole due to the different installation angles of the two prestressed concrete pipe piles; meanwhile, the arrangement of the covering assembly delays the corrosion speed of the fixing bolts by covering the plurality of fixing bolts.
Description
Technical Field
The utility model relates to the technical field of prestressed concrete pipe piles, in particular to an anti-cracking prestressed concrete pipe pile end plate structure.
Background
The prestressed concrete pipe pile has the characteristics of strong bearing capacity, good driving resistance, strong penetrating power, short construction period, convenient construction, easy pile arrangement, low comprehensive cost and the like, and can be widely used in engineering of industrial and civil buildings, bridges, highways, railways, ports, water conservancy and the like. The end plates are arranged at two ends of the prestressed concrete pipe pile and used for fixing the reinforcement ends of the reinforcement cage inside the prestressed concrete pipe pile, and when the prestressed concrete pipe pile is connected, the end plates of the upper and lower prestressed concrete pipe piles need to be aligned and then welded together. However, in the welding process, welding is performed only at the intersection of the peripheral sides of the two end plates, which results in poor strength after welding and may cause cracking of the welded portion during long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-cracking prestressed concrete tubular pile end plate structure which can effectively improve the connection strength of an upper prestressed concrete tubular pile and a lower prestressed concrete tubular pile so as to prevent a welding part from cracking.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a prevent prestressed concrete tubular pile end plate structure of ftractureing, prestressed concrete tubular pile's of lower end plate, below including the prestressed concrete tubular pile of top up end plate, the lower extreme of end plate is provided with the collar that the cross-section is "L" type down, be provided with a plurality of waist shape holes that are circumference array distribution and arc extension on the collar, be provided with a plurality of screw holes that are circumference array distribution on the up end plate, be provided with a plurality of fixing bolt of threaded connection in the screw hole behind the waist shape hole of passing between collar and the up end plate, the crossing department in week side of collar and up end plate is provided with first welded joint, still including the cover subassembly that is used for covering a plurality of fixing bolt in order to delay fixing bolt's rate of corrosion.
The utility model is further provided with: the cover assembly comprises two semicircular first cover plates, a first arc-shaped sheet arranged on the outer side of the upper end of the first cover plate and a second arc-shaped sheet arranged on the outer side of the lower end of the first cover plate, wherein the upper surface of the first arc-shaped sheet is abutted to the lower surface of the lower end plate, the lower surface of the second arc-shaped sheet is abutted to the upper surface of the mounting ring, a second welding seam is arranged at the intersection of the first cover plates, a third welding seam is arranged at the intersection of the first arc-shaped sheet and the lower end plate, and a fourth welding seam is arranged at the intersection of the second arc-shaped sheet and the mounting ring.
The utility model is further provided with: the outer diameter of the mounting ring is smaller than that of the upper end plate, the covering assembly comprises two semicircular second covering plates, a third arc-shaped piece and a fourth arc-shaped piece, the third arc-shaped piece is arranged on the outer side of the upper end of the second covering plate, the fourth arc-shaped piece is arranged on the outer side of the lower end of the second covering plate, the upper surface of the third arc-shaped piece abuts against the lower surface of the lower end plate, the lower surface of the fourth arc-shaped piece abuts against the upper surface of the upper end plate, a fifth welding seam is arranged at the intersection of the second covering plates, a sixth welding seam is arranged at the junction of the third arc-shaped piece and the lower end plate, and a seventh welding seam is arranged at the junction of the fourth arc-shaped piece and the upper end plate.
The utility model is further provided with: the upper surface of the upper end plate is provided with a rubber sealing ring which is embedded and tightly propped against the lower surface of the mounting ring.
In conclusion, the utility model has the following beneficial effects:
1. before the mounting ring and the upper end plate of the lower end plate are mounted, a plurality of fixing bolts penetrate through the waist-shaped holes and then are in threaded connection with the threaded holes, so that the mounting ring and the upper end plate are reinforced; at the moment, the first welding seam arranged at the intersection of the peripheral side of the mounting ring and the peripheral side of the upper end plate is not easy to crack in the long-term use process; the arrangement of the waist-shaped hole facilitates the threaded connection of the fixing bolt in the threaded hole due to the different installation angles of the two prestressed concrete pipe piles; meanwhile, the arrangement of the covering assembly delays the corrosion speed of the fixing bolts by covering the plurality of fixing bolts;
2. the intersection of the two first covering plates is connected and sealed through a second welding seam, the junction of the first arc-shaped sheet and the lower end plate is connected and sealed through a third welding seam, and the junction of the second arc-shaped sheet and the mounting ring is connected and sealed through a fourth welding seam, so that the corrosion speed of the fixing bolt is delayed, and the structural strength of the lower end plate and the mounting ring can be enhanced;
3. the intersection of the two second covering plates is connected and sealed through a fifth welding seam, the junction of the third arc-shaped sheet and the lower end plate is connected and sealed through a sixth welding seam, and the junction of the fourth arc-shaped sheet and the upper end plate is connected and sealed through a seventh welding seam, so that the corrosion speed of the fixing bolt is delayed, and the structural strength and the stability of the lower end plate and the upper end plate after installation can be improved.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a structural sectional view of embodiment 1;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a structural sectional view of embodiment 2.
Reference numerals: 1. a lower end plate; 11. a mounting ring; 111. a waist-shaped hole; 2. an upper end plate; 21. a threaded hole; 3. fixing the bolt; 41. a first cover plate; 42. a first arcuate segment; 43. a second arc piece; 44. a second cover plate; 45. a third arc piece; 46. a fourth arc piece; 51. a first weld joint; 52. a second weld joint; 53. a third weld joint; 54. a fourth weld joint; 55. fifth welding joints; 56. a sixth weld joint; 57. a seventh weld joint; 6. a rubber seal ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides a prevent prestressed concrete tubular pile tip plate structure of ftractureing, as shown in fig. 1, including the lower tip plate 1 of the prestressed concrete tubular pile of top, the up end plate 2 of the prestressed concrete tubular pile of below, the lower extreme of lower tip plate 1 is provided with collar 11 that the cross-section is "L" type, be provided with a plurality of waist shape holes 111 that are circumference array distribution and arc extension on collar 11, be provided with a plurality of screw holes 21 that are circumference array distribution on the up end plate 2, be provided with a plurality of fixing bolt 3 of threaded connection in screw hole 21 behind waist shape hole 111 after passing between collar 11 and the up end plate 2, the week side of collar 11 and the week side of up end plate 2 intersect and be provided with first welded joint 51. Meanwhile, the upper surface of the upper end plate 2 is provided with a rubber sealing ring 6 which is tightly abutted with the lower surface of the mounting ring 11 in an embedded mode.
As shown in fig. 1 and 2, a cover assembly for covering the plurality of fixing bolts 3 to retard the corrosion rate of the fixing bolts 3 is further included. The cover assembly includes two semicircular first cover plates 41, a first arc-shaped piece 42 disposed outside the upper end of the first cover plate 41, and a second arc-shaped piece 43 disposed outside the lower end of the first cover plate 41. The upper surface of the first arc-shaped sheet 42 abuts against the lower surface of the lower end plate 1, the lower surface of the second arc-shaped sheet 43 abuts against the upper surface of the mounting ring 11, a second welding seam 52 is arranged at the intersection of the two first covering plates 41, a third welding seam 53 is arranged at the junction of the first arc-shaped sheet 42 and the lower end plate 1, and a fourth welding seam 54 is arranged at the junction of the second arc-shaped sheet 43 and the mounting ring 11.
The implementation effect is as follows: before the mounting ring 11 and the upper end plate 2 of the lower end plate 1 are mounted, a plurality of fixing bolts 3 penetrate through the waist-shaped holes 111 and then are connected in the threaded holes 21 in a threaded mode, and therefore the mounting ring 11 and the upper end plate 2 are reinforced; the first weld joint 51 provided at the intersection of the peripheral side of the mounting ring 11 and the peripheral side of the upper end plate 2 at this time is less likely to crack during long-term use; the arrangement of the waist-shaped hole 111 facilitates the threaded connection of the fixing bolt 3 in the threaded hole 21 because the two prestressed concrete pipe piles have different angles during installation; meanwhile, the arrangement of the covering assembly delays the corrosion speed of the fixing bolts 3 by covering a plurality of fixing bolts 3.
The intersection of the two first cover plates 41 is connected and sealed through a second welding seam 52, the junction of the first arc-shaped sheet 42 and the lower end plate 1 is connected and sealed through a third welding seam 53, and the junction of the second arc-shaped sheet 43 and the mounting ring 11 is connected and sealed through a fourth welding seam 54, so that the corrosion speed of the fixing bolt 3 is delayed, and the structural strength of the lower end plate 1 and the mounting ring 11 can be enhanced.
Example 2: an anti-cracking prestressed concrete pipe pile end plate structure, as shown in fig. 3 and 4, is different from the structure of embodiment 1 in that: the outer diameter of the mounting ring 11 is smaller than the outer diameter of the upper end plate 2, and the cover assembly comprises two semicircular second cover plates 44, a third arc-shaped piece 45 arranged outside the upper end of the second cover plates 44, and a fourth arc-shaped piece 46 arranged outside the lower end of the second cover plates 44. The upper surface of the third arc-shaped sheet 45 abuts against the lower surface of the lower end plate 1, the lower surface of the fourth arc-shaped sheet 46 abuts against the upper surface of the upper end plate 2, a fifth welding seam 55 is arranged at the intersection of the two second covering plates 44, a sixth welding seam 56 is arranged at the junction of the third arc-shaped sheet 45 and the lower end plate 1, and a seventh welding seam 57 is arranged at the junction of the fourth arc-shaped sheet 46 and the upper end plate 2.
The implementation effect is as follows: the intersection of the two second covering plates 44 is connected and sealed by a fifth welding seam 55, the junction of the third arc-shaped sheet 45 and the lower end plate 1 is connected and sealed by a sixth welding seam 56, and the junction of the fourth arc-shaped sheet 46 and the upper end plate 2 is connected and sealed by a seventh welding seam 57, so that the corrosion speed of the fixing bolt 3 is delayed, and the structural strength and the stability of the lower end plate 1 and the upper end plate 2 after installation can be improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a prevent prestressed concrete tubular pile end plate structure of fracture, includes the lower end plate (1) of the prestressed concrete tubular pile of top, the up end plate (2) of the prestressed concrete tubular pile of below, its characterized in that: the lower extreme of lower end plate (1) is provided with collar (11) that the cross-section is "L" type, be provided with a plurality of waist shape hole (111) that are circumference array distribution and arc extension on collar (11), be provided with a plurality of screw holes (21) that are circumference array distribution on upper end plate (2), be provided with a plurality of fixing bolt (3) of passing waist shape hole (111) back threaded connection in screw hole (21) between collar (11) and upper end plate (2), the week side of collar (11) and the week side of upper end plate (2) intersect and be provided with first welded joint (51), still including being used for covering a plurality of fixing bolt (3) in order to delay the cover subassembly of the corrosion rate of fixing bolt (3).
2. The anti-cracking prestressed concrete pipe pile end plate structure of claim 1, wherein: the covering assembly comprises two semicircular first covering plates (41), first arc-shaped pieces (42) arranged on the outer sides of the upper ends of the first covering plates (41) and second arc-shaped pieces (43) arranged on the outer sides of the lower ends of the first covering plates (41), the upper surfaces of the first arc-shaped pieces (42) are abutted to the lower surfaces of the lower end plates (1), the lower surfaces of the second arc-shaped pieces (43) are abutted to the upper surfaces of the mounting rings (11), second welding joints (52) are arranged at the intersection positions of the first covering plates (41), third welding joints (53) are arranged at the junctions of the first arc-shaped pieces (42) and the lower end plates (1), and fourth welding joints (54) are arranged at the junctions of the second arc-shaped pieces (43) and the mounting rings (11).
3. The anti-cracking prestressed concrete pipe pile end plate structure of claim 1, wherein: the outer diameter of the mounting ring (11) is smaller than that of the upper end plate (2), the covering assembly comprises two semicircular second covering plates (44), a third arc-shaped piece (45) arranged on the outer side of the upper end of the second covering plates (44) and a fourth arc-shaped piece (46) arranged on the outer side of the lower end of the second covering plates (44), the upper surface of the third arc-shaped piece (45) abuts against the lower surface of the lower end plate (1), the lower surface of the fourth arc-shaped piece (46) abuts against the upper surface of the upper end plate (2), a fifth welding seam (55) is arranged at the intersection of the second covering plates (44), a sixth welding seam (56) is arranged at the junction of the third arc-shaped piece (45) and the lower end plate (1), and a seventh welding seam (57) is arranged at the junction of the fourth arc-shaped piece (46) and the upper end plate (2).
4. The anti-cracking prestressed concrete pipe pile end plate structure of claim 1, wherein: the upper surface of the upper end plate (2) is provided with a rubber sealing ring (6) which is embedded and is tightly propped against the lower surface of the mounting ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368975.1U CN215329857U (en) | 2021-06-20 | 2021-06-20 | Anti-cracking prestressed concrete tubular pile end plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368975.1U CN215329857U (en) | 2021-06-20 | 2021-06-20 | Anti-cracking prestressed concrete tubular pile end plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329857U true CN215329857U (en) | 2021-12-28 |
Family
ID=79559414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121368975.1U Expired - Fee Related CN215329857U (en) | 2021-06-20 | 2021-06-20 | Anti-cracking prestressed concrete tubular pile end plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329857U (en) |
-
2021
- 2021-06-20 CN CN202121368975.1U patent/CN215329857U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |