CN214530641U - Anticorrosive joint of prestressed concrete tubular pile - Google Patents
Anticorrosive joint of prestressed concrete tubular pile Download PDFInfo
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- CN214530641U CN214530641U CN202120174753.XU CN202120174753U CN214530641U CN 214530641 U CN214530641 U CN 214530641U CN 202120174753 U CN202120174753 U CN 202120174753U CN 214530641 U CN214530641 U CN 214530641U
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Abstract
The utility model discloses a prestressed concrete pipe pile anti-corrosion joint, which relates to the technical field of pipe pile construction, and comprises a pile body, wherein joint seats are integrally poured at both ends of the pile body, a plurality of connecting teeth are fixedly arranged on the joint seats, pin grooves are formed at both sides of the connecting teeth, and fixed pins are embedded in the pin grooves; the anti-corrosion joint of the prestressed concrete pipe pile further comprises a closed hoop, wherein the closed hoop is composed of two semi-annular hoop bodies, and the two hoop bodies are fixedly connected. The utility model provides a can effectively improve corrosion resisting property, and convenient to use, the high anticorrosive joint of economic nature prestressed concrete tubular pile.
Description
Technical Field
The utility model relates to a tubular pile construction technical field especially relates to an anticorrosive joint of prestressed concrete tubular pile.
Background
In recent decades, the tubular pile has been widely used in the construction field due to the characteristics of high bearing capacity of a single pile, low construction cost, short construction period and the like. The tubular pile is a prefabricated part, and each section of tubular pile needs to be spliced in the construction process. As the field of application of the pipe piles expands, the connection between the pipe piles faces a problem of corrosion prevention in a corrosive environment.
The utility model discloses a current utility model patent of granting bulletin number for CN202164600U discloses an anticorrosive joint of prestressed concrete tubular pile, its characterized in that it includes end plate and flange, the last rib frame that is provided with of flange is provided with a plurality of screws on the end plate, is provided with a plurality of bolt interlude positions that correspond with the screw on the flange.
By adopting the technical scheme, the connecting flanges fixed at the end parts of the tubular piles are fixed together through the bolts so as to achieve the purpose of connecting the two tubular piles together. However, in this way, a large number of bolts are used for connecting the tubular piles, and the bolts and the connecting flanges are both directly exposed in the underground environment, so that the connecting joints are easily rusted and corroded due to the porous and multi-gap structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anticorrosive joint of prestressed concrete tubular pile utilizes and connects tooth and fixed pin to connect the tubular pile, recycles and seals the hoop and will connect tooth and fixed pin and seal, avoids pore structure to expose and take place to corrode in the underground environment.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the anti-corrosion joint for the prestressed concrete pipe pile comprises a pile body, wherein joint seats are uniformly cast at two ends of the pile body, a plurality of connecting teeth are fixedly arranged on the joint seats, pin grooves are formed in two sides of the connecting teeth, and fixing pins are embedded and matched in the pin grooves; the anti-corrosion joint for the prestressed concrete pipe pile further comprises a closed hoop, wherein the closed hoop is composed of two semi-annular hoop bodies, and the two hoop bodies are fixedly connected.
Through adopting above-mentioned technical scheme, when carrying out the connection of tubular pile, the tip that two upper and lower tubular piles meet connect the tooth to align, then two tubular piles carry out certain removal in opposite directions about making, the tip that two upper and lower tubular piles meet connect the mutual interlock of tooth and cup joint closely, and is adjacent this moment the round pin groove on the connection tooth splices into a complete poroid, then will the fixed pin inserts in this hole, prevents connect and appear the phenomenon of sliding between the tooth, realize fixing between two tubular piles. And then the joint parts of the two tubular piles are sealed by using the sealing hoops to prevent the fixing pins from falling off. The mode utilizes connecting tooth and fixed pin are connected to the tubular pile, and reuse the closed hoop will connect tooth and fixed pin and seal up, avoid pore structure to expose and take place to corrode in the underground environment.
The utility model discloses further set up to: the connecting teeth are all obliquely arranged.
Through adopting above-mentioned technical scheme, the connection tooth of two upper and lower tubular piles can disperse the pressure on the fixed pin, reduces the fixed pin is because of pressure is too big and is conquassated.
The utility model discloses further set up to: the two ends of the hoop body are respectively provided with a bolt hole, the bolt holes at the same end of the hoop body are communicated with each other, and fixing bolts used for fixing the two hoop bodies are arranged in the bolt holes.
Through adopting above-mentioned technical scheme, fixing bolt can be convenient for the hoop body carries out the dismouting to connect firm reliable.
The utility model discloses further set up to: and sealing paste is arranged in the bolt hole.
By adopting the technical scheme, after the installation of the closed hoop is finished by an installer, the bolt hole is sealed by using the sealing paste, so that the fixing bolt is prevented from being corroded in an underground environment.
The utility model discloses further set up to: and the joint seat is fixedly connected with the steel bars in the pile body.
By adopting the technical scheme, after the joint seat is connected with the steel bars in the pile body, the stability and the reliability of the joint seat can be effectively improved.
The utility model discloses further set up to: and the joint seat, the connecting teeth, the fixing pin and the closed hoop surface are coated with anti-corrosion layers.
By adopting the technical scheme, the anti-corrosion layer can effectively protect the joint seat, the connecting teeth, the fixing pins, the closed hoops and the like from being corroded by the underground environment.
The utility model discloses further set up to: the end of the pile body is formed with a first chamfer, and the hoop body is formed with a second chamfer.
Through adopting above-mentioned technical scheme, first chamfer and second chamfer can be convenient for seal the installation of hoop, simultaneously the hoop body can with the pile body between the laminating inseparabler, improve seal the closure property of hoop.
The utility model discloses further set up to: and a plurality of tensioning bolt holes are formed in the part of the joint seat, which is positioned at the end part of the pile body.
Through adopting above-mentioned technical scheme, prestressed concrete tubular pile can be directly with in the production process the adapter socket shaping is to among the pile body to the tip is used for assisting the annular steel sheet of stretch-draw when can be used for replacing tubular pile production, and the installation of adapter socket does not have extra manufacturing procedure, guarantees prestressed concrete tubular pile anticorrosion joint's use convenience and economic nature.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the pipe piles are connected by the connecting teeth and the fixing pins, and the connecting teeth and the fixing pins are sealed by the sealing hoops, so that the pore structure is prevented from being exposed in the underground environment to be corroded;
(2) the pile body and the hoop body are respectively provided with the first chamfer and the second chamfer, so that the hoop body can be tightly attached to the pile body, and the sealing performance of the sealing hoop is improved;
(3) through the stretch-draw bolt hole of shaping on the joint seat, make the joint seat can be used for replacing the supplementary annular steel sheet of usefulness of stretch-draw of tip when tubular pile production, the installation of joint seat does not have extra manufacturing procedure, guarantees prestressed concrete tubular pile anticorrosive joint's use convenience and economic nature.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a cross-sectional view of the pile body along the center line according to an embodiment of the present invention.
Reference numerals: 1. a pile body; 2. a joint base; 3. tensioning bolt holes; 4. connecting teeth; 5. a pin slot; 6. a fixing pin; 7. a hoop body; 8. bolt holes; 9. fixing the bolt; 10. a first chamfer; 11. a bevel; 12. and (7) second chamfering.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying examples.
Referring to the attached drawings, the anti-corrosion joint for the prestressed concrete pipe pile comprises a pile body 1, joint bases 2 are integrally cast at two ends of the pile body 1, the joint bases 2 are welded with reinforcing steel bars inside the pile body 1, and a plurality of tensioning bolt holes 8 for assisting tensioning of the pile body 1 are formed in the joint bases 2. A plurality of equally spaced coupling teeth 4 are fixedly arranged on the bolt hole 82, the spacing between the coupling teeth 4 on the same adapter 2 is the same as the width of the coupling teeth 4, and the coupling teeth 4 are arranged in an inclined manner in the circumferential direction of the adapter 2. The two sides of the connecting teeth 4 are respectively formed with a semicircular pin groove 5, when the upper and lower tubular piles are connected, the upper and lower rows of connecting teeth 4 are mutually occluded and sleeved tightly, and at the moment, the pin grooves 5 on the adjacent connecting teeth 4 are spliced into a complete hole shape. The fixing pin 6 is embedded in the pin hole, and the fixing pin 6 can prevent the connecting teeth 4 from slipping. The anti-corrosion joint of the prestressed concrete pipe pile further comprises a closed hoop, the closed hoop is composed of two semi-annular hoop bodies 7, bolt holes are formed in the two ends of the hoop bodies 7, the two hoop bolt holes 8 are in mutual communication with the bolt holes in the same end after being butted, and the bolt holes 8 are provided with fixing bolts 9 used for the 8 hoop bodies 7 of the bolt holes. After two hoop bodies 7 are installed at the joint of the tubular pile and fixed by using a fixing bolt 9, a first chamfer 10 is formed on the end part, close to the outer side, of a bolt hole 81 filled with sealing paste, a joint seat 2 extends along the first chamfer 10 to form an inclined surface 11, and a second chamfer 12 which is mutually abutted to the inclined surface 11 is formed on the hoop body 7. The joint seat 2, the connecting teeth 4, the fixing pin 6 and the closed hoop surface are coated with anti-corrosion layers.
The working principle of the embodiment is as follows: when carrying out the connection of tubular pile, the connection tooth 4 of the tip that two upper and lower tubular piles meet aligns, then makes two upper and lower tubular piles carry out certain rotation that removes in opposite directions, and the mutual interlock of the connection tooth 4 of two upper and lower tubular piles cup joints closely, and the cotter way 5 on the adjacent connection tooth 4 splices into a complete poroid this moment, then inserts fixed pin 6 in this hole, prevents to appear the phenomenon of sliding between the connection tooth 4, realizes fixing between two tubular piles. And then the joint parts of the two tubular piles are sealed by using a sealing hoop to prevent the fixing pin 6 from falling off. This embodiment utilizes connecting tooth 4 and fixed pin 6 to be connected the tubular pile, and reuse seals the hoop and seals connecting tooth 4 and fixed pin 6, avoids the pore structure to expose and takes place to corrode in the underground environment.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an anticorrosive joint of prestressed concrete tubular pile, includes pile body (1), its characterized in that: the pile is characterized in that joint bases (2) are integrally cast at two ends of the pile body (1), a plurality of connecting teeth (4) are fixedly arranged on the joint bases (2), pin grooves (5) are formed in two sides of each connecting tooth (4), and fixing pins (6) are embedded and matched in the pin grooves (5); the anti-corrosion joint for the prestressed concrete pipe pile further comprises a closed hoop, wherein the closed hoop is composed of two semi-annular hoop bodies (7), and the two hoop bodies (7) are fixedly connected.
2. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: the connecting teeth (4) are all obliquely arranged.
3. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: the two ends of the hoop body (7) are respectively provided with a bolt hole (8), the two ends of the hoop body (7) are communicated with the bolt holes (8) at the same end, and fixing bolts (9) used for fixing the two hoop bodies (7) are arranged in the bolt holes (8).
4. The anti-corrosion joint for the prestressed concrete pipe pile as claimed in claim 3, wherein: and sealing paste is arranged in the bolt hole (8).
5. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: the joint seat (2) is fixedly connected with the steel bars in the pile body (1).
6. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: and the joint seat (2), the connecting teeth (4), the fixing pin (6) and the surface of the closed hoop are coated with anti-corrosion layers.
7. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: the end of the pile body (1) is provided with a first chamfer (10), and the hoop body (7) is provided with a second chamfer (12).
8. The anti-corrosion joint for the prestressed concrete pipe pile according to claim 1, characterized in that: and a plurality of tensioning bolt holes (8) are formed in the part of the joint seat (2) positioned at the end part of the pile body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174753.XU CN214530641U (en) | 2021-01-21 | 2021-01-21 | Anticorrosive joint of prestressed concrete tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174753.XU CN214530641U (en) | 2021-01-21 | 2021-01-21 | Anticorrosive joint of prestressed concrete tubular pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214530641U true CN214530641U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120174753.XU Active CN214530641U (en) | 2021-01-21 | 2021-01-21 | Anticorrosive joint of prestressed concrete tubular pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214530641U (en) |
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2021
- 2021-01-21 CN CN202120174753.XU patent/CN214530641U/en active Active
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