CN212983919U - Composite pile foundation - Google Patents
Composite pile foundation Download PDFInfo
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- CN212983919U CN212983919U CN202021774696.0U CN202021774696U CN212983919U CN 212983919 U CN212983919 U CN 212983919U CN 202021774696 U CN202021774696 U CN 202021774696U CN 212983919 U CN212983919 U CN 212983919U
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Abstract
The application relates to a composite pile foundation, which comprises a precast pile and a pile cap at the top of the precast pile, wherein the precast pile comprises a pile body and a pile bottom at the bottom of the pile body, a vertical groove is formed in the pile body, and the vertical groove is communicated with the top and the bottom of the pile body; the pile bottom is internally provided with a mounting groove which is communicated with the vertical groove, the inner wall of the mounting groove is obliquely arranged, and the oblique direction of the inner wall is downward from the periphery to the center of the mounting groove; a through hole is formed in the inner wall of the mounting groove and is communicated with the outside of the pile bottom and the inside of the mounting groove, a positioning rod is slidably mounted in the through hole, one end of the positioning rod is arranged in the through hole, and the other end of the positioning rod extends into the mounting groove; a vertical rod is arranged in the vertical groove, an inclined plane is arranged at the bottom of the vertical rod, and the inclined plane is inclined downwards from the periphery to the center of the vertical rod; and a horizontal connecting rod is connected between the adjacent pile bodies. This application has the effect that improves precast pile stability.
Description
Technical Field
The application relates to the technical field of civil engineering, in particular to a composite pile foundation.
Background
The current pile foundation structure is simpler, and the pile diameter of the pile foundation is smaller, so that the bearing performance and the stability of the pile foundation are general.
In the prior art, reference is made to a Chinese utility model patent with an authorization publication number of CN208293596U, which discloses a composite pile foundation structure, comprising a solid square pile body, an arc structure, a central anchor bar, an arc main bar, a pile tip structure, a solid iron block, a notch, an iron sharp-pointed convex block and a resistance groove; the pile tip structure consists of a solid iron block, a notch, an iron sharp convex block and a resistance groove; the solid iron block structure is a one-half square pyramid structure; the vertical end surface of the solid iron block is provided with one notch; the notch is of a half cylindrical groove structure; the radius of the notch is consistent with that of the arc-shaped main rib; the solid iron block and the inclined end face corresponding to the vertical end face of the solid iron block are welded with the iron sharp convex block; the iron sharp bulge block structure is of a rectangular pyramid structure; two inclined end faces at the top end of the iron sharp-pointed protruding block are both inwards provided with one resistance groove.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the precast pile is not considered to be easy to subside under the ground, so that the precast pile is unstable and the fixing effect of the precast pile is influenced.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability of precast pile, this application provides a composite pile foundation.
The application provides a compound pile foundation adopts following technical scheme:
a composite pile foundation comprises a precast pile and a pile cap at the top of the precast pile, wherein the precast pile comprises a pile body and a pile bottom at the bottom of the pile body, a vertical groove is formed in the pile body, and the vertical groove is communicated with the top and the bottom of the pile body; the pile bottom is internally provided with a mounting groove which is communicated with the vertical groove, the inner wall of the mounting groove is obliquely arranged, and the oblique direction of the inner wall is downward from the periphery to the center of the mounting groove; a through hole is formed in the inner wall of the mounting groove and is communicated with the outside of the pile bottom and the inside of the mounting groove, a positioning rod is slidably mounted in the through hole, one end of the positioning rod is arranged in the through hole, and the other end of the positioning rod extends into the mounting groove; a vertical rod is arranged in the vertical groove, an inclined plane is arranged at the bottom of the vertical rod, and the inclined plane is inclined downwards from the periphery to the center of the vertical rod; and a horizontal connecting rod is connected between the adjacent pile bodies.
By adopting the technical scheme, when the precast pile is placed under the ground, the vertical rod is pressed and slides in the vertical groove; the vertical rod is pressed into the mounting groove, the bottom inclined plane of the vertical rod abuts against one end of the positioning rod in the mounting groove, the vertical rod pushes the positioning rod to slide in a direction far away from the mounting groove, and the positioning rod is inserted into the ground under the action of the pushing force of the vertical rod, so that the fixing effect of the precast pile is improved; when the vertical rod is abutted against the inner wall of the mounting groove, the vertical rod is stopped to be pressed; and adjacent pile bodies are fixed through connecting rods, so that the stability of the precast pile is further improved.
Preferably, set up the bar groove with the outside intercommunication at the bottom of the stake on the through-hole inner wall, the constant head tank is the same with the length direction of through-hole, fixedly connected with locating piece on the locating lever, locating piece slidable mounting is in the constant head tank.
Through adopting above-mentioned technical scheme, the precast pile is in the transportation, and the locating piece blocks that the locating lever is whole to slide to the mounting groove in.
Preferably, the edge of the pile bottom is provided with an aluminum film, and the aluminum film covers an opening at one end of the through hole, which is far away from the mounting groove.
Through adopting above-mentioned technical scheme, the aluminium membrane blocks the locating lever roll-off through-hole, and when the precast pile was put into the ground, when pressing vertical rod hard, the locating lever broke the aluminium membrane and inserted in the ground.
Preferably, the top of the pile body is provided with a vertical strip-shaped groove, and the strip-shaped groove is communicated with the vertical groove.
Through adopting above-mentioned technical scheme, after vertical rod released the mounting groove with the locating lever, use cement to pour into fixed vertical rod in the bar groove, stop that the locating lever removes in to the mounting groove.
Preferably, the two ends of the connecting rod are fixedly connected with fixing blocks, the fixing blocks are attached to the edges of the pile body, expansion screws are arranged on the fixing blocks, fixing holes are formed in the side faces of the pile body, and the expansion screws penetrate through the fixing blocks to abut against the inner walls of the fixing holes.
Through adopting above-mentioned technical scheme, the inflation screw offsets with the fixed orifices inner wall, makes the fixed block can be fixed with the pile body better, improves the stability of connecting rod between the pile body.
Preferably, a vertical screw rod is installed on the connecting rod, the screw rod is in threaded fit with the connecting rod, and the end part of the screw rod extends to the outside of the connecting rod.
Through adopting above-mentioned technical scheme, when pouring the pile cap, rotate the screw rod and make the screw rod stretch into inside the pile cap, make the connecting rod pass through screw rod and pile cap fixed connection.
Preferably, the connecting rod includes gag lever post and the sleeve of cover on the gag lever post, installs set screw on the sleeve, and set screw and sleeve screw-thread fit, set screw one end extend to the sleeve pipe inboard and support tightly with the gag lever post.
Through adopting above-mentioned technical scheme, the gag lever post slides in the sleeve and adjusts connecting rod length, and set screw is with sleeve and gag lever post reciprocal anchorage, makes the connecting rod become convenient in the connection between the pile body.
Preferably, one end of the positioning rod in the through hole is provided with an inclined surface, and the inclined surface inclines from the periphery to the center to the direction far away from the mounting groove; the inclined plane gradient of mounting groove inner wall and vertical rod bottom is the same, and vertical rod offsets with the mounting groove inner wall.
Through adopting above-mentioned technical scheme, vertical pole and mounting groove can laminate better, make inserting the prefabricated inslot inner wall that the locating lever can be better, improve the fixed effect of locating lever to the precast pile.
In summary, the present application includes at least one of the following beneficial technical effects:
the structure of the positioning rod is increased, the contact surface of the precast pile and the ground is enlarged, so that the precast pile is not easy to settle, and the stability of the precast pile in the ground is enhanced;
the structure of connecting rod has been increased, and the connecting rod passes through the fixed block and the pile body is connected, strengthens the fixed effect of connecting rod and precast pile, and is fixed mutually through the connecting rod between adjacent pile body, has strengthened the stability of precast pile.
The structure of sleeve and gag lever post has been increased, and sleeve and gag lever post pass through set screw fixed, make things convenient for the installation and the fixed of connecting rod between adjacent precast pile.
The structure of the vertical rod is increased, so that the pushing-out of the positioning rod is more convenient, and the positioning rod can be blocked to move in the mounting groove.
Drawings
FIG. 1 is a schematic structural diagram of a main body of an embodiment of the application;
FIG. 2 is a schematic cross-sectional view of the main body of an embodiment of the present application;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Description of reference numerals: 1. prefabricating a pile; 11. a pile cap; 2. a pile body; 21. a vertical groove; 22. a vertical rod; 23. a strip-shaped groove; 3. pile bottom; 31. mounting grooves; 32. a through hole; 33. positioning a groove; 34. positioning a rod; 35. positioning blocks; 36. aluminum film; 4. a connecting rod; 41. a sleeve; 42. a limiting rod; 43. a fixed block; 44. an expansion screw; 45. a screw; 46. and (5) positioning the screw.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses composite pile foundation.
Referring to fig. 1 and 2, the composite pile foundation comprises a precast pile 1 and a pile cap 11 at the top of the precast pile 1, wherein the precast pile 1 comprises a pile body 2 and a pile bottom 3 at the bottom of the pile body 2. Vertical groove 21 has been seted up along 2 length direction of pile body in pile body 2 inside, and vertical groove 21 intercommunication pile body 2 tops and bottom, slidable mounting has vertical pole 22 in vertical groove 21, and vertical pole 22 bottom is equipped with the inclined plane, and the inclined plane is from vertical pole 22 all around to central downward sloping. The inside installation groove 31 of seting up of pile bottom 3, the slope of installation groove 31 inner wall is seted up, and the incline direction of inner wall is from installation groove 31 all around to the center downwards. The bottom inclined surface of the vertical rod 22 and the inclined surface of the inner wall of the mounting groove 31 have the same inclination. The through-hole 32 has been seted up to the mounting groove 31 inner wall, and inside the outside and the mounting groove 31 of pile bottom 3 of through-hole 32 intercommunication, slidable mounting has locating lever 34 in the through-hole 32.
Referring to fig. 1 and 2, the precast pile 1 is placed under the ground, the vertical rod 22 is pressed to move the vertical rod 22 toward the installation groove 31, and the inclined surface of the vertical rod 22 presses the positioning rod 34 to push the positioning rod 34 to move away from the installation groove 31. Vertical pole 22 hugs closely with the mounting groove 31 inner wall when the downward movement, makes in the locating lever 34 can all release the mounting groove 31, and the locating lever 34 inserts ground under the effect of vertical pole 22 thrust, improves the stability of precast pile 1.
Referring to fig. 2, vertical groove 21 inner wall has been seted up bar groove 23 and bar groove 23 open-top and 2 tops of stake body flush, and bar groove 23 and vertical groove 21 intercommunication when vertical pole 22 bottom inclined plane and mounting groove 31 inner wall are hugged closely, pour concrete in bar groove 23, make vertical pole 22 and 2 reciprocal anchorages of stake body, stop that locating lever 34 returns to in the mounting groove 31.
Referring to fig. 1 and 2, a connecting rod 4 is installed between adjacent pile bodies 2, the connecting rod 4 includes a sleeve 41 and a limiting rod 42 slidably installed inside the sleeve 41, a positioning screw 46 is installed on the sleeve 41, the positioning screw 46 is in threaded fit with the sleeve 41, and two ends of the positioning screw 45 are communicated with the outside and the inside of the sleeve 41. When the connecting rod 4 is installed, the limiting rod 42 is moved to make the limiting rod 42 slide in the sleeve 41, and when the fixing block 43 at the end of the connecting rod 4 is attached to the edge of the pile body 2, the positioning screw 46 is rotated to abut against the limiting rod 42, so that the sleeve 41 and the limiting rod 42 are fixed with each other.
Referring to fig. 1 and 2, a fixing block 43 is fixedly installed between the connecting rod 4 and the pile body 2, the fixing block 43 is attached to the edge of the pile body 2, and an expansion screw 44 is installed on the fixing block 43. The side of the pile body 2 is provided with a fixing hole matched with the expansion screw 44, and the expansion screw 44 penetrates through the fixing block 43 and is tightly propped against the inner wall of the fixing hole. When the connecting rod 4 is installed, the fixing block 43 is tightly attached to the surface of the pile body 2, and the fixing screw is extruded to tightly support the inner wall of the fixing hole, so that the connecting rod 4 is more stably connected with the pile body 2.
Referring to fig. 1 and 2, a screw 45 is vertically installed on the connecting rod 4, the screw 45 is in threaded fit with the connecting rod 4, and the end of the screw 45 extends to the outside of the connecting rod 4. When the pile cap 11 is poured, the screw rod 45 is rotated to extend the screw rod 45 into the pile cap 11, and when the pile cap 11 is solidified, the screw rod is fixed in the pile cap 11 to fix the connecting rod 4 and the pile cap 11 to each other.
Referring to fig. 3, a positioning groove 33 is formed in the inner wall of the through hole 32, the positioning groove 33 is communicated with the outside of the pile bottom 3, and the length directions of the positioning groove 33 and the through hole 32 are the same. The positioning rod 34 is fixedly connected with a positioning block 35, and the positioning block 35 slides in the positioning groove 33 along the length direction of the positioning groove 33. An aluminum film 36 is arranged on the pile bottom 3, and the aluminum film 36 covers an opening at one end of the through hole 32 far away from the installation groove 31.
Referring to fig. 3, in order to reduce the sliding of the positioning rod 34 during transportation, the positioning block 35 is used to prevent the positioning rod 34 from sliding into the mounting groove 31, and the aluminum film 36 is used to prevent the positioning rod 34 from sliding out of the precast pile 1.
Referring to fig. 3, an inclined surface is disposed at an end of the positioning rod 34 away from the mounting groove 31, and the inclined surface is inclined in a direction away from the mounting groove 31 from the periphery to the center of the positioning rod 34. When the vertical rod 22 pushes the positioning rod 34, the end of the positioning rod 34 can better break through the aluminum film 36 and insert into the ground.
The implementation principle of the composite pile foundation in the embodiment of the application is as follows: pressing the vertical rod 22, the inclined plane at the bottom of the vertical rod 22 pushes the positioning rod 34 to move towards the direction far away from the mounting groove 31, the positioning rod 34 breaks the aluminum film 36 and is inserted into the ground, and the inclined plane at the bottom of the vertical rod 22 is attached to the inner wall of the mounting groove 31, so that the positioning rod 34 is completely pushed out of the mounting groove 31. Concrete is poured in the strip-shaped groove 23 to fix the vertical rod 22 and prevent the positioning rod 34 from moving in the mounting groove 31. The stability of the precast pile 1 is enhanced.
When installing connecting rod 4, slide in sleeve 41 through gag lever post 42 and adjust connecting rod 4 length, make things convenient for the installation of connecting rod 4 between different precast piles 1.
The connecting rod 4 is fixed on the pile body 2 by using the fixing block 43, and the connecting rod 4 and the pile cap 11 are mutually fixed by using the screw rod 45, so that the stability of the connecting rod 4 is improved, and the adjacent pile bodies 2 are kept fixed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a composite pile foundation, includes pile cap (11) at precast pile (1), precast pile (1) top, its characterized in that: the precast pile (1) comprises a pile body (2) and a pile bottom (3) at the bottom of the pile body (2), a vertical groove (21) is formed in the pile body (2), and the vertical groove (21) is communicated with the top and the bottom of the pile body (2); a mounting groove (31) is formed in the pile bottom (3), the mounting groove (31) is communicated with the vertical groove (21), the inner wall of the mounting groove (31) is arranged in an inclined mode, and the inclined direction of the inner wall is downward from the periphery to the center of the mounting groove (31); a through hole (32) is formed in the inner wall of the mounting groove (31), the through hole (32) is communicated with the outside of the pile bottom (3) and the inside of the mounting groove (31), a positioning rod (34) is arranged in the through hole (32) in a sliding mode, one end of the positioning rod (34) is arranged in the through hole (32), and the other end of the positioning rod extends into the mounting groove (31); a vertical rod (22) is arranged in the vertical groove (21), an inclined plane is arranged at the bottom of the vertical rod (22), and the inclined plane is inclined downwards from the periphery to the center of the vertical rod (22); and a horizontal connecting rod (4) is connected between the adjacent pile bodies (2).
2. A composite pile foundation according to claim 1, characterised in that: set up on through-hole (32) inner wall with the outside bar groove (23) of intercommunication of pile bottom (3), constant head tank (33) are the same with the length direction of through-hole (32), fixedly connected with locating piece (35) on locating lever (34), locating piece (35) slidable mounting is in constant head tank (33).
3. A composite pile foundation according to claim 1, characterised in that: an aluminum film (36) is arranged on the edge of the pile bottom (3), and the aluminum film (36) covers an opening at one end, far away from the mounting groove (31), of the through hole (32).
4. A composite pile foundation according to claim 1, characterised in that: vertical strip-shaped grooves (23) are formed in the tops of the pile bodies (2), and the strip-shaped grooves (23) are communicated with the vertical grooves (21).
5. A composite pile foundation according to claim 1, characterised in that: the fixing block (43) is fixedly connected to two ends of the connecting rod (4), the fixing block (43) is attached to the edge of the pile body (2), an expansion screw (44) is arranged on the fixing block (43), a fixing hole is formed in the side face of the pile body (2), and the expansion screw (44) penetrates through the fixing block (43) to be abutted to the inner wall of the fixing hole.
6. A composite pile foundation according to claim 1, characterised in that: install vertical screw rod (45) on connecting rod (4), screw rod (45) and connecting rod (4) screw-thread fit and tip extend to connecting rod (4) outside.
7. A composite pile foundation according to claim 1, characterised in that: connecting rod (4) include gag lever post (42) and cover sleeve (41) on gag lever post (42), install set screw (46) on sleeve (41), set screw (46) and sleeve (41) screw-thread fit, set screw (46) one end extends to sleeve (41) inboard and supports tightly with gag lever post (42).
8. A composite pile foundation according to claim 1, characterised in that: one end of the positioning rod (34) in the through hole (32) is provided with an inclined surface, and the inclined surface inclines from the periphery to the center to the direction far away from the mounting groove (31); the inner wall of the mounting groove (31) has the same gradient with the inclined plane at the bottom of the vertical rod (22), and the vertical rod (22) is propped against the inner wall of the mounting groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774696.0U CN212983919U (en) | 2020-08-22 | 2020-08-22 | Composite pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774696.0U CN212983919U (en) | 2020-08-22 | 2020-08-22 | Composite pile foundation |
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| Publication Number | Publication Date |
|---|---|
| CN212983919U true CN212983919U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021774696.0U Active CN212983919U (en) | 2020-08-22 | 2020-08-22 | Composite pile foundation |
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| CN (1) | CN212983919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802550A (en) * | 2021-09-11 | 2021-12-17 | 德清县亿胜建设有限公司 | Cast-in-place pile and construction method thereof |
| CN114658022A (en) * | 2022-02-28 | 2022-06-24 | 河海大学 | Multi-pile connecting rod combined foundation for high-rise structure and using method |
-
2020
- 2020-08-22 CN CN202021774696.0U patent/CN212983919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802550A (en) * | 2021-09-11 | 2021-12-17 | 德清县亿胜建设有限公司 | Cast-in-place pile and construction method thereof |
| CN114658022A (en) * | 2022-02-28 | 2022-06-24 | 河海大学 | Multi-pile connecting rod combined foundation for high-rise structure and using method |
| CN114658022B (en) * | 2022-02-28 | 2022-11-29 | 河海大学 | Multi-pile connecting rod combined foundation for high-rise structure and using method |
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Address after: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company) Patentee after: Anhui Qitai Construction Group Co.,Ltd. Address before: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company) Patentee before: Anhui Qitai Construction Engineering Co.,Ltd. |