CN210151705U

CN210151705U - Reinforcing pile for soft soil foundation

Info

Publication number: CN210151705U
Application number: CN201920725343.2U
Authority: CN
Inventors: 陈正焕; 陈证煌; 陈星孔
Original assignee: Guangdong Huagong Water Conservancy And Hydropower Construction Engineering Co Ltd
Current assignee: Guangdong Huagong Water Conservancy And Hydropower Construction Engineering Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-17
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to the technical field of foundation stabilization, and discloses a reinforcing pile for soft soil foundation, which comprises a pipe sleeve, wherein the pipe sleeve is of a hollow structure with an upper opening and a lower opening, an inner pipe is arranged inside the pipe sleeve, the hollow structure with the upper opening is arranged inside the inner pipe, the inner surface of the pipe sleeve is provided with an internal thread, the outer surface of the inner pipe is provided with an external thread, and the inner pipe is in threaded connection with the pipe sleeve through the external thread and the internal thread; through setting up pipe box and inner tube to inner tube and pipe box pass through internal thread and external screw thread threaded connection, constructor can rotate and rotate the handle, drives the rotation of steel core, thereby can drive the rotation of inner tube, and then can rotate the inner tube out or change over to from the pipe box, makes things convenient for constructor can change the length of reinforcing pile according to the actual conditions at scene, compares in traditional reinforcing pile, and this reinforcing pile's flexibility is better, has reduced reinforcing pile's limitation simultaneously.

Description

Reinforcing pile for soft soil foundation

Technical Field

The utility model relates to a foundation stabilization technical field specifically is a reinforcing pile for soft soil foundation.

Background

With the continuous development of the infrastructure construction in China, because the national soil area in China is wide and the land condition is complex, a large amount of building engineering, road engineering, hydraulic engineering and the like are often required to be built on a soft soil foundation when the infrastructure construction is carried out, the section of the soft soil foundation has the characteristics of large pore ratio, high water content, large settlement and the like, the soft soil foundation is not suitable for building road engineering, hydraulic engineering and the like, the construction is carried out after the soft soil foundation is reinforced, and reinforcing piles are often used for reinforcing the soft soil foundation when the soft soil foundation is reinforced.

However, the prior art has the following problems:

(1) the existing reinforcing piles are usually formed by pouring concrete before being used, the length of the reinforcing piles is inconvenient to change, and the length of the reinforcing piles is inconvenient to change according to the actual situation on site, so that the existing reinforcing piles have certain limitations.

(2) When the existing reinforcing pile is used, the area of the top of the existing reinforcing pile is small due to the fact that the existing reinforcing pile is formed by pouring concrete, and therefore bearing capacity of the foundation cannot be well improved, and settlement of the foundation is reduced.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a reinforcing pile for soft soil foundation has solved current reinforcing pile and when using, can not come to change the length of reinforcing pile according to the actual need on scene, and the bearing capacity of improvement ground that can not be fine, reduces the problem of subsiding of ground.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reinforcing pile for soft soil foundation, includes the pipe box, the pipe box is upper and lower open-ended hollow structure, just the inside of pipe box is equipped with the inner tube, upper end open-ended hollow structure in the inner tube, the internal surface of pipe box is equipped with the internal thread, the surface of inner tube is equipped with the external screw thread, just the inner tube passes through the external screw thread with the internal thread with pipe box threaded connection, the bottom of inner tube extends to the outside welded fastening of pipe box has the stake point, the stake point is conical structure.

Preferably, the top of the pipe sleeve is detachably connected with a pipe cap, the upper surface of the pipe cap is fixedly welded with a base plate, a plurality of steel plates are fixedly welded inside the base plate, and seal layer concrete is filled between the plurality of steel plates.

Preferably, the inner pipe is internally provided with a steel core, the bottom end of the steel core is fixedly welded with the upper surface of the pile tip, and the top of the steel core penetrates through the pipe cap and the base plate to be detachably connected with the rotating handle.

Preferably, the inner surface of the pipe sleeve is located above the internal thread, first limiting blocks are symmetrically welded and fixed, second limiting blocks are symmetrically welded and fixed on the top of the outer surface of the inner pipe, and the first limiting blocks and the second limiting blocks are distributed in a staggered mode.

Preferably, a plurality of reinforcing steel bars are uniformly embedded in the outer surface of the pipe sleeve, a plurality of reinforcing steel bars are also uniformly embedded in the outer surface of the inner pipe below the external thread, and the plurality of reinforcing steel bars are distributed in an annular array by taking the center of the pipe sleeve as an axis.

Preferably, a sealing ring is fixed at the bottom of the pipe sleeve, the inner pipe penetrates through the sealing ring, and the inner surface of the sealing ring is tightly attached to the outer surface of the inner pipe.

(III) advantageous effects

The utility model provides a reinforcing pile for soft soil foundation possesses following beneficial effect:

(1) the utility model discloses a set up pipe box and inner tube to inner tube and pipe box pass through internal thread and external screw thread threaded connection, constructor can rotate and rotate the handle, drive the rotation of steel core, thereby can drive the rotation of inner tube, and then can follow the pipe box with the inner tube and roll over to, make things convenient for constructor can change the length of reinforcing pile according to the actual conditions at scene, compare in traditional reinforcing pile, this reinforcing pile's flexibility is better, has reduced reinforcing pile's limitation simultaneously.

(2) The utility model discloses a can dismantle the connecting pipe cap at the top of pipe box, be fixed with the backing plate at the last welded surface of pipe cap simultaneously to the upper and lower surface area of backing plate is greater than the upper and lower surface area of pipe box, consequently when using, can reduce the pressure of basic building to the ground, thereby can improve the bearing capacity of ground, reduce the settlement condition of ground, and a plurality of steel sheets of backing plate inside and seal concrete can improve the intensity of backing plate, make the backing plate can be better bear basic building facility.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the internal structure of the middle cushion plate of the present invention.

In the figure: 1. pipe sleeve; 2. a pipe cap; 3. a base plate; 4. rotating the handle; 5. a steel core; 6. reinforcing steel bars; 7. a seal ring; 8. an inner tube; 9. pile tip; 10. an internal thread; 11. a first stopper; 12. a second limiting block; 13. an external thread; 14. sealing layer concrete; 15. and (3) a steel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a reinforcing pile for soft soil foundation comprises a pipe sleeve 1, wherein the pipe sleeve 1 is of a hollow structure with an upper opening and a lower opening, an inner pipe 8 is arranged inside the pipe sleeve 1, the hollow structure with the upper opening is arranged at the inner end inside the inner pipe 8, an inner thread 10 is arranged on the inner surface of the pipe sleeve 1, an outer thread 13 is arranged on the outer surface of the inner pipe 8, the inner pipe 8 is in threaded connection with the pipe sleeve 1 through the outer thread 13 and the inner thread 10, a pile tip 9 is welded and fixed at the bottom end of the inner pipe 8 extending to the outer part of the pipe sleeve 1, the pile tip 9 is of a conical structure, when in use, the inner pipe 8 and the pipe sleeve 1 are in threaded connection through the inner thread 10 and the outer thread 13, so that the inner pipe 8 can be rotated out of or rotated in the pipe sleeve 1, a constructor can conveniently change the length of the reinforcing pile according to actual conditions, and simultaneously, the limitation of the reinforcing pile is reduced.

Further, the top of pipe box 1 can be dismantled and be connected with pipe cap 2, the upper surface welded fastening of pipe cap 2 has backing plate 3, the inside welded fastening of backing plate 3 has a plurality of steel sheets 15, it has envelope concrete 14 to fill between a plurality of steel sheets 15, when using, can increase the upper surface area of reinforcing pile through backing plate 3, thereby can reduce the pressure of foundation building to the ground, thereby the bearing capacity of improvement ground that can be better, reduce the settlement condition of ground, simultaneously 3 inside a plurality of steel sheets 15 of backing plate, and the intensity of backing plate 3 can be strengthened to envelope concrete 14 between a plurality of steel sheets 15, make backing plate 3 can better bear basic building facility.

Further, the inside of inner tube 8 is equipped with steel core 5, and the bottom of steel core 5 and the upper surface welded fastening of stake point 9, and the top of steel core 5 runs through pipe cap 2 and backing plate 3 and can dismantle the connection and rotate 4, can drive the rotation of steel core 5 through rotating 4 to can drive the rotation of inner tube 8, make things convenient for constructor's operation.

Further, the internal surface of pipe box 1 is located the top symmetry welded fastening of internal thread 10 and is had first stopper 11, and the surface top symmetry welded fastening of inner tube 8 has second stopper 12, and first stopper 11 and the crisscross distribution of second stopper 12 when rotating inner tube 8 and making inner tube 8 roll out, through the effect of first stopper 11 and second stopper 12, can avoid taking place the condition that breaks away from each other between inner tube 8 and the pipe box 1.

Further, a plurality of reinforcing bars 6 are evenly embedded in the outer surface of the pipe sleeve 1, a plurality of reinforcing bars 6 are also evenly embedded below the outer thread 13 on the outer surface of the inner pipe 8, the centers of the reinforcing bars 6 in the pipe sleeve 1 are used as axes, the reinforcing bars are distributed in an annular array mode, when the pipe sleeve is used, the strength of the pipe sleeve 1 and the strength of the inner pipe 8 can be enhanced through the action of the reinforcing bars 6, and the shearing resistance and the bending resistance of the pipe sleeve 1 and the inner pipe 8 are improved.

Further, a sealing ring 7 is fixed at the bottom of the pipe sleeve 1, the inner pipe 8 penetrates through the sealing ring 7, the inner surface of the sealing ring 7 is tightly attached to the outer surface of the inner pipe 8, and when concrete is filled into the pipe sleeve 1 and the inner pipe 8, the concrete in the pipe sleeve 1 can be prevented from overflowing from a gap between the pipe sleeve 1 and the inner pipe 8 through the sealing function of the sealing ring 7.

To sum up, the utility model discloses a work flow: when in use, firstly, the rotating handle 4 can be installed at the top end of the steel core 5 according to the actual needs of the site, the rotating handle 4 can drive the steel core 5 to rotate so as to drive the inner pipe 8 to rotate, because the inner pipe 8 and the pipe sleeve 1 are in threaded connection through the internal thread 10 and the external thread 13, the inner pipe 8 can be rotated so as to be led out or turned in from the pipe sleeve 1, and further, the constructors can conveniently change the length of the reinforcing pile according to the actual conditions of the site, compared with the traditional reinforcing pile, the reinforcing pile has better flexibility and simultaneously reduces the limitation of the reinforcing pile, the reinforcing pile is driven into the foundation through pile driving equipment, the rotating handle 4 is detached from the steel core 5 after the reinforcing pile is fixed into the foundation, concrete is injected into the pipe sleeve 1 and the inner pipe 8, and the sealing function of the sealing ring 7 at the bottom of the pipe sleeve 1 is achieved, the concrete in the pipe sleeve 1 can be prevented from overflowing from the gap between the pipe sleeve 1 and the inner pipe 8, then after the concrete is solidified, the pipe cap 2 is installed at the top of the pipe sleeve 1, the extended redundant steel core 5 is subtracted, the upper surface area of the reinforcing pile can be increased through the backing plate 3 on the pipe cap 2, the pressure of a foundation building to a foundation can be reduced, the bearing capacity of the foundation can be better improved, the settlement condition of the foundation is reduced, meanwhile, the steel plates 15 inside the backing plate 3 and the sealing concrete 14 between the steel plates 15 can strengthen the strength of the backing plate 3, and the backing plate 3 can better bear foundation building facilities.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reinforcing pile for soft soil foundation, includes pipe box (1), its characterized in that: the pipe sleeve is characterized in that the pipe sleeve (1) is of a hollow structure with an upper opening and a lower opening, an inner pipe (8) is arranged inside the pipe sleeve (1), the hollow structure with an upper opening is arranged in the inner pipe (8), an inner thread (10) is arranged on the inner surface of the pipe sleeve (1), an outer thread (13) is arranged on the outer surface of the inner pipe (8), the inner pipe (8) is connected with the pipe sleeve (1) in a threaded mode through the outer thread (13) and the inner thread (10), a pile tip (9) is welded and fixed to the outer portion of the pipe sleeve (1) in the bottom end of the inner pipe (8), and the pile tip (9) is of a conical structure.

2. A reinforcing pile for soft soil foundations as claimed in claim 1, wherein: the pipe sleeve is characterized in that a pipe cap (2) is detachably connected to the top of the pipe sleeve (1), a base plate (3) is fixedly welded to the upper surface of the pipe cap (2), a plurality of steel plates (15) are fixedly welded to the inside of the base plate (3), and sealing layer concrete (14) is filled between the steel plates (15).

3. A reinforcing pile for soft soil foundations as claimed in claim 2, wherein: the inner pipe (8) is internally provided with a steel core (5), the bottom end of the steel core (5) is fixedly welded with the upper surface of the pile tip (9), and the top of the steel core (5) penetrates through the pipe cap (2) and the base plate (3) to be detachably connected with the rotating handle (4).

4. A reinforcing pile for soft soil foundations as claimed in claim 1, wherein: the inner surface of the pipe sleeve (1) is located above the internal thread (10) and is symmetrically welded and fixed with a first limiting block (11), the top of the outer surface of the inner pipe (8) is symmetrically welded and fixed with a second limiting block (12), and the first limiting block (11) and the second limiting block (12) are distributed in a staggered mode.

5. A reinforcing pile for soft soil foundations as claimed in claim 1, wherein: the pipe sleeve is characterized in that a plurality of reinforcing steel bars (6) are uniformly embedded in the outer surface of the pipe sleeve (1), a plurality of reinforcing steel bars (6) are uniformly embedded below the external thread (13) on the outer surface of the inner pipe (8), and the reinforcing steel bars (6) are distributed in an annular array mode by taking the center of the pipe sleeve (1) as an axis.

6. A reinforcing pile for soft soil foundations as claimed in claim 1, wherein: a sealing ring (7) is fixed at the bottom of the pipe sleeve (1), the inner pipe (8) penetrates through the sealing ring (7), and the inner surface of the sealing ring (7) is tightly attached to the outer surface of the inner pipe (8).