CN215948149U

CN215948149U - A auxiliary device for soft soil foundation handles

Info

Publication number: CN215948149U
Application number: CN202122250969.2U
Authority: CN
Inventors: 赵建; 徐洪文; 王春雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-04
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of foundation treatment, in particular to an auxiliary device for soft soil foundation treatment. The device comprises a pile tube, an inner tube, a threaded rod, a limiting disc, an absorption tube, a connecting shaft, a connecting tube, a filter screen, a cone and a communicating pipeline; the lower end of the pile pipe is connected with the cone, and the peripheral surface of the lower end of the pile pipe is respectively provided with a plurality of groups of extending grooves; the lower end of the threaded rod penetrates through the inner tube and is rotationally connected with the limiting disc; a plurality of groups of sliding chutes are symmetrically arranged on the limiting disc; mounting plates are arranged at the multiple groups of extending grooves at the lower end of the pile pipe; two sides of the absorption tube are respectively connected with the mounting plate in a rotating way through a connecting shaft; the upper end of the rotary connecting part is rotatably connected with the limiting disc; a pipe orifice at one end of the communicating pipeline passes through the sealing ring at the upper end to be communicated with the space between the pile pipe and the inner pipe; the filter screen is sleeved on the outer peripheral surface of the lower end of the absorption tube. The utility model can conveniently absorb air or moisture in soft soil, can increase the action area of the pile tube in the process of vacuumizing, and can reduce the piling times.

Description

A auxiliary device for soft soil foundation handles

Technical Field

The utility model relates to the technical field of foundation treatment, in particular to an auxiliary device for soft soil foundation treatment.

Background

The vacuum preloading method is to set sand well or plastic drainage plate in the soft soil foundation to be reinforced, then to lay sand cushion on the ground, to cover airtight sealing film to isolate it from atmosphere, to exhaust the air in the film by vacuum device through the water suction pipeline buried in the sand cushion, so as to generate air pressure difference between the inside and outside of the film, which is converted into load acting on the foundation, and the foundation will not be damaged by shearing, which is favorable for the soft soil foundation. The method does not need to carry, saves the loading and unloading processes, shortens the prepressing time, saves a large amount of carrying materials, has simpler used equipment and construction process, does not need a large amount of large-scale equipment, and is convenient for large-area construction; the existing drain board can only drain air and moisture in a small range in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an auxiliary device for soft soil foundation treatment, which increases the action area of water or air discharged by a pile pipe.

The technical scheme of the utility model is as follows: an auxiliary device for soft soil foundation treatment comprises a pile pipe, an inner pipe, a threaded rod, a limiting disc, an absorption pipe, a connecting shaft, a connecting pipe, a filter screen, a cone, a communicating pipeline and a sealing ring;

the lower end of the pile pipe is connected with the cone, and the peripheral surface of the lower end of the pile pipe is respectively provided with a plurality of groups of extending grooves; the inner pipe is arranged inside the pile pipe, and the inner pipe and the pile pipe are coaxially distributed; two groups of sealing rings are respectively arranged at the upper end and the lower end of the inner pipe, and the two groups of sealing rings seal the space between the pile pipe and the inner pipe; the lower end of the threaded rod penetrates through the inner tube and is rotatably connected with the limiting disc, and the threaded rod is in threaded connection with the inner tube; a plurality of groups of sliding chutes are symmetrically arranged on the limiting disc;

mounting plates are arranged at the multiple groups of extending grooves at the lower end of the pile pipe; the two sides of the absorption tube are respectively rotatably connected with the mounting plate through connecting shafts, the outer peripheral surface of the absorption tube is provided with a plurality of groups of filtering holes, and the upper end of the absorption tube is provided with a rotary connecting part; the upper end of the rotary connecting part slides into the chute and is rotatably connected with the limiting disc; the pipe orifice at one end of the connecting pipe is communicated with the inside of the absorption pipe, and the other end of the connecting pipe is communicated with the space between the pile pipe and the inner pipe; a pipe orifice at one end of the communicating pipeline passes through the sealing ring at the upper end to be communicated with the space between the pile pipe and the inner pipe; the filter screen is sleeved on the outer peripheral surface of the lower end of the absorption tube.

Preferably, the upper end surface of the threaded rod is provided with a connecting groove.

Preferably, the peripheral surface of stake pipe is equipped with multiunit filtration mesh.

Preferably, the upper end of the pile tube is provided with a support plate.

Preferably, the projection shape of the lower end of the absorber pipe is a circular arc shape.

Preferably, the device further comprises an external thread sleeve;

the lower end face of the external thread sleeve is connected with the upper end face of the cone, and the upper end of the external thread sleeve is screwed into the lower end of the pile pipe and is in threaded connection with the pile pipe.

Preferably, the limiting disc is detachably connected with the threaded rod.

Preferably, the outer peripheral surface of the pile tube is provided with scale marks.

Compared with the prior art, the utility model has the following beneficial technical effects:

in the embodiment, in the using process, the pile pipe is stretched into soft soil to be treated by a foundation, then the threaded rod is rotated, the lower end of the threaded rod pushes the limiting disc to move downwards, and the limiting disc drives the upper end of the absorption pipe to move downwards, so that the other end of the absorption pipe tilts upwards; the other end of the absorption pipe can conveniently extend into surrounding soft soil; then, the communicating pipeline is connected with an external vacuum device to extract and absorb moisture and air in the soft soil, so that the acting area of the pile pipe can be conveniently increased, and the operation frequency of driving the traditional drainage plate into the ground can be reduced;

in the embodiment, the pressure inside each absorption pipe is the same as the pressure inside a sealed space between the pile pipe and the inner pipe in the vacuumizing process, so that the periphery of the pile pipe can keep uniform vacuum strength, and the treated foundation can be uniform in strength;

in the embodiment, the external thread sleeve can conveniently connect the cone with the pile pipe in the use process, and can be conveniently installed in the use process.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic view of the connection structure of the limiting plate and the absorption tube in FIG. 1;

fig. 3 is a schematic view of the structure of the absorber pipe of fig. 1.

Reference numerals: 1. pile pipes; 2. an inner tube; 3. a threaded rod; 4. a limiting disc; 5. an absorber tube; 6. a connecting shaft; 7. a connecting pipe; 8. a chute; 10. a filter screen; 11. a cone; 12. extending out of the groove; 13. a communicating pipe; 14. connecting grooves; 15. a support plate; 16. a seal ring; 17. a filtration pore; 18. a rotation connecting part; 19. an externally threaded sleeve.

Detailed Description

Example one

As shown in fig. 1-3, the auxiliary device for soft soil foundation treatment provided by the utility model comprises a pile pipe 1, an inner pipe 2, a threaded rod 3, a limiting disc 4, an absorption pipe 5, a connecting shaft 6, a connecting pipe 7, a filter screen 10, a cone 11, a communicating pipeline 13 and a sealing ring 16;

the lower end of the pile pipe 1 is connected with a cone 11, the peripheral surface of the lower end of the pile pipe 1 is respectively provided with a plurality of groups of extending grooves 12, and the peripheral surface of the pile pipe 1 is provided with a plurality of groups of filter meshes; when the pile pipe 1 is driven into the ground, water can conveniently flow into the pile pipe 1 from the filter screen hole; the inner pipe 2 is arranged inside the pile pipe 1, and the inner pipe 2 and the pile pipe 1 are coaxially distributed; two groups of sealing rings 16 are respectively arranged at the upper end and the lower end of the inner pipe 2, and the two groups of sealing rings 16 seal the space between the pile pipe 1 and the inner pipe 2; the lower end of the threaded rod 3 penetrates through the inner tube 2 and is rotatably connected with the limiting disc 4, the threaded rod 3 is in threaded connection with the inner tube 2, and the upper end face of the threaded rod 3 is provided with a connecting groove 14; the screw rod 3 can be conveniently driven to rotate by sliding a wrench into the connecting groove 14 at the upper end of the screw rod 3; a plurality of groups of sliding grooves 8 are symmetrically arranged on the limiting disc 4, and the limiting disc 4 is detachably connected with the threaded rod 3; the limiting disc 4 can be conveniently taken down from the threaded rod 3 for maintenance in the using process; the upper end of the pile pipe 1 is provided with a supporting plate 15; the supporting plate 15 can be conveniently pressed when the pile pipe 1 is driven into the ground, and meanwhile, the pile pipe 1 can be more conveniently pulled upwards when taken out; the scale marks are arranged on the peripheral surface of the pile pipe 1, so that the extending amount of the pile pipe 1 can be clearly seen when the pile pipe 1 is driven into the ground;

a plurality of groups of extending grooves 12 at the lower end of the pile pipe 1 are provided with mounting plates; the two sides of the absorption tube 5 are respectively rotatably connected with the mounting plate through the connecting shaft 6, the peripheral surface of the absorption tube 5 is provided with a plurality of groups of filtering holes 17, the upper end of the absorption tube 5 is provided with a rotary connecting part 18, and the projection shape of the lower end of the absorption tube 5 is an arc shape; the circular arc-shaped absorption tube 5 can enable the pile tube 1 to move downwards more smoothly when extending into the ground, so that the friction between the absorption tube 5 and the underground soil can be reduced; the upper end of the rotary connecting part 18 slides into the chute 8 and is rotationally connected with the limiting disc 4; the pipe orifice at one end of the connecting pipe 7 is communicated with the inside of the absorption pipe 5, and the other end of the connecting pipe 7 is communicated with the space between the pile pipe 1 and the inner pipe 2; a pipe orifice at one end of the communicating pipeline 13 passes through the sealing ring 16 at the upper end to be communicated with the space between the pile pipe 1 and the inner pipe 2; the filter screen 10 is fitted around the outer peripheral surface of the lower end of the absorption pipe 5.

In the embodiment, in the use process, the pile pipe 1 is stretched into soft soil to be treated by a foundation, then the threaded rod 3 is rotated, the lower end of the threaded rod 3 pushes the limiting disc 4 to move downwards, and the limiting disc 4 drives the upper end of the absorption pipe 5 to move downwards, so that the other end of the absorption pipe 5 tilts upwards; the other end of the absorption pipe 5 can conveniently extend into surrounding soft soil; then, the communicating pipeline 13 is connected with an external vacuum device to extract and absorb moisture and air in the soft soil, so that the acting area of the pile pipe 1 can be conveniently increased, and the operation frequency of driving the traditional drainage plate into the ground can be reduced;

it should be noted that, during the vacuum pumping process, the pressure inside each absorption tube 5 is the same as the pressure inside the sealed space between the pile tube 1 and the inner tube 2, so that the periphery of the pile tube 1 can maintain uniform vacuum strength, and the treated foundation can have uniform strength.

Example two

As shown in fig. 1-3, the auxiliary device for soft soil foundation treatment according to the present invention further includes an externally threaded sleeve 19, compared to the first embodiment;

the lower end surface of the external thread sleeve 19 is connected with the upper end surface of the cone 11, and the upper end of the external thread sleeve 19 is screwed into the lower end of the pile pipe 1 and is in threaded connection with the pile pipe 1.

In the embodiment, the external thread sleeve 19 can conveniently connect the cone 11 with the pile pipe 1 in the use process, and can be conveniently installed in the use process.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An auxiliary device for soft soil foundation treatment is characterized by comprising a pile pipe (1), an inner pipe (2), a threaded rod (3), a limiting disc (4), an absorption pipe (5), a connecting shaft (6), a connecting pipe (7), a filter screen (10), a cone (11), a communicating pipeline (13) and a sealing ring (16);

the lower end of the pile pipe (1) is connected with the cone (11), and the peripheral surface of the lower end of the pile pipe (1) is respectively provided with a plurality of groups of stretching grooves (12); the inner pipe (2) is arranged inside the pile pipe (1), and the inner pipe (2) and the pile pipe (1) are coaxially distributed; two groups of sealing rings (16) are respectively arranged at the upper end and the lower end of the inner pipe (2), and the two groups of sealing rings (16) seal the space between the pile pipe (1) and the inner pipe (2); the lower end of the threaded rod (3) penetrates through the inner tube (2) and is rotatably connected with the limiting disc (4), and the threaded rod (3) is in threaded connection with the inner tube (2); a plurality of groups of sliding chutes (8) are symmetrically arranged on the limiting disc (4);

a plurality of groups of extending grooves (12) at the lower end of the pile pipe (1) are provided with mounting plates; two sides of the absorption tube (5) are respectively connected with the mounting plate in a rotating manner through a connecting shaft (6), the outer peripheral surface of the absorption tube (5) is provided with a plurality of groups of filtering holes (17), and the upper end of the absorption tube (5) is provided with a rotating connecting part (18); the upper end of the rotary connecting part (18) slides into the sliding chute (8) and is rotatably connected with the limiting disc (4); a pipe orifice at one end of the connecting pipe (7) is communicated with the interior of the absorption pipe (5), and the other end of the connecting pipe (7) is communicated with a space between the pile pipe (1) and the inner pipe (2); a pipe orifice at one end of the communicating pipeline (13) passes through a sealing ring (16) at the upper end to be communicated with a space between the pile pipe (1) and the inner pipe (2); the filter screen (10) is sleeved on the peripheral surface of the lower end of the absorption tube (5).

2. An auxiliary device for soft soil foundation treatment according to claim 1, further comprising a connecting groove (14) provided on the upper end surface of the threaded rod (3).

3. An auxiliary device for soft soil foundation treatment according to claim 1, characterized in that the outer circumference of the pile tube (1) is provided with multiple sets of filter meshes.

4. An auxiliary device for soft soil foundation treatment according to claim 1, characterized in that the upper end of the pile tube (1) is provided with a support plate (15).

5. An auxiliary device for soft soil foundation treatment according to claim 1, wherein the lower end projection shape of the absorber pipe (5) is a circular arc shape.

6. An auxiliary device for soft soil foundation treatment according to claim 1, further comprising an externally threaded sleeve (19);

the lower end surface of the external thread sleeve (19) is connected with the upper end surface of the cone (11), and the upper end of the external thread sleeve (19) is screwed into the lower end of the pile pipe (1) and is in threaded connection with the pile pipe (1).

7. An auxiliary device for soft soil foundation treatment according to claim 1, characterised in that the limiting disc (4) is detachably connected with the threaded rod (3).

8. An auxiliary device for soft soil foundation treatment according to claim 1, characterized in that the pile tube (1) is provided with scale marks on its outer circumference.