CN221052578U

CN221052578U - Tubular pile core filling device convenient to draw

Info

Publication number: CN221052578U
Application number: CN202322596725.9U
Authority: CN
Inventors: 吴�灿; 施超; 姚伟
Original assignee: Zhejiang Dadongwu Group Construction Co Ltd
Current assignee: Zhejiang Dadongwu Group Construction Co Ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-31
Anticipated expiration: 2033-09-25

Abstract

The pipe pile core filling device convenient to draw comprises a pipe pile, wherein the pipe pile comprises an inner pipe and an outer pipe, a space is formed between the inner pipe and the outer pipe, and a knocking structure and a driving structure enabling the knocking structure to horizontally knock the inner pipe are arranged in the space; the knocking structure comprises a horizontal rail, a horizontal sliding block limited on the horizontal rail, a mounting plate connected with the horizontal sliding block, and a knocking head fixed on the mounting plate, wherein the horizontal sliding block is also connected with the horizontal rail through a reset spring; the driving structure drives the horizontal sliding block to horizontally move. The utility model can realize knocking the part of the inner pipe below the soil layer, so that the inner pipe and the cast-in-place pile are separated more fully, and the whole pipe pile is pulled out.

Description

Tubular pile core filling device convenient to draw

Technical Field

The utility model relates to the field of building construction equipment, in particular to a tubular pile core filling device convenient to draw.

Background

In building construction, pipe pile core filling is a common foundation treatment method, and is generally used in areas with poor soil quality or in areas where the bearing capacity of the foundation needs to be improved. In the pipe pile core filling engineering, firstly, holes are drilled on the ground, then steel pipes or plastic pipes are inserted into the holes, and cement slurry is injected into the pipe pile by pumping slurry so as to form the filling pile. After the cast-in-place pile is formed, the cement slurry on the outer periphery thereof is generally solidified on the inner wall of the steel pipe or plastic pipe.

After the pipe pile core filling is finished, the steel pipe or the plastic pipe is also required to be pulled out, and when the steel pipe or the plastic pipe is pulled out, the vibration hammer is firstly utilized to knock the steel pipe or the plastic pipe, so that the pipe wall is separated from the filling pile as much as possible. The existing pipe pile core filling equipment allows the knocking part to be only the part exposed out of the soil layer, and the separation degree between the pipe wall and the filling pile is limited, so that the difficult extraction is caused, such as the pipe pile related to the patent with the application number of CN202021048967.4 and the name of an auxiliary system for extracting the steel pipe pile.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the tubular pile core filling device convenient to draw, which can realize knocking the part of the inner pipe below the soil layer, so that the inner pipe and the cast-in-place pile are separated more fully, and the whole tubular pile is pulled out conveniently.

The pipe pile core filling device convenient to draw comprises a pipe pile, wherein the pipe pile comprises an inner pipe and an outer pipe, a space is formed between the inner pipe and the outer pipe, and a knocking structure and a driving structure enabling the knocking structure to horizontally knock the inner pipe are arranged in the space;

the knocking structure comprises a horizontal rail, a horizontal sliding block limited on the horizontal rail, a mounting plate connected with the horizontal sliding block, and a knocking head fixed on the mounting plate, wherein the horizontal sliding block is also connected with the horizontal rail through a reset spring;

The driving structure drives the horizontal sliding block to horizontally move.

Preferably, the driving structure comprises a driving rod and a guiding structure for limiting the movement direction of the driving rod to be vertical, the upper end of the driving rod extends upwards out of the space, the driving rod is fixedly connected with a driving block, and the driving block is provided with an inclined pressing surface used for acting on the side end of the horizontal sliding block.

Preferably, the guide structure includes a plurality of guide members having guide holes.

Preferably, the guide structure is a guide groove formed by the outer tube through a drawing process.

Preferably, the mounting plate extends vertically, and a plurality of knocking heads which are vertically arranged are arranged on the side surface of the mounting plate facing the inner pipe.

Preferably, the number of the horizontal rails is two, and the upper end and the lower end of the mounting plate are mounted on the horizontal sliding blocks corresponding to the two horizontal rails.

Preferably, the mounting plate is an arc plate coaxial with the inner tube.

Preferably, a plurality of connecting ribs for connecting the inner tube and the outer tube are arranged in the space.

In summary, the utility model has the following beneficial effects:

1: according to the utility model, the pipe pile is arranged into the inner pipe and the outer pipe, and the knocking structure and the driving structure are arranged in the space between the inner pipe and the outer pipe, so that the part of the inner pipe below the soil layer can be knocked, the inner pipe and the filling pile are separated more fully, and the whole pipe pile can be pulled out conveniently.

2: The guide structure for limiting the movement direction of the driving rod is a guide groove formed by the outer tube through a drawing process, and the outer tube is reinforced.

Drawings

Fig. 1 is a schematic and schematic structural diagram of a pipe pile core filling device.

Fig. 2 is a schematic diagram of the structure of the guide member.

Fig. 3 is a schematic diagram of the structure of the outer tube.

Fig. 4 is a top view of the mounting plate.

Fig. 5 is a schematic structural view of the connecting rib.

Fig. 6 is an enlarged view of the left part in fig. 1.

Detailed Description

The utility model will be further illustrated by the following examples in conjunction with the accompanying drawings.

Example 1: as shown in fig. 1-2 and 6, the tubular pile core filling device convenient to draw comprises a tubular pile 1, wherein the tubular pile 1 comprises an inner pipe 11 and an outer pipe 12, a space 13 is formed between the inner pipe 11 and the outer pipe 12, and a plurality of connecting ribs 14 for connecting the inner pipe 11 and the outer pipe 12 are arranged in the space 13. A striking structure 2 and a driving structure 3 for horizontally striking the inner tube 11 by the striking structure 2 are also provided in the space 13.

Specifically, the knocking structure 2 includes a horizontal rail 21, a horizontal slider 22 limited on the horizontal rail 21, a mounting plate 23 connected with the horizontal slider 22, and a knocking head 24 fixed on the mounting plate 23, wherein the horizontal rail 21 is fixedly connected to the inner wall of the outer tube 12, and the horizontal slider 22 is also connected with the horizontal rail 21 through a return spring 25.

The driving structure 3 comprises a driving rod 31 and a guiding structure 32. The motion direction of the driving rod 31 is limited to be vertical by the guide structure 32, wherein the first guide structure 32 is shown in fig. 1-2, and comprises a plurality of guide parts 321 with guide holes 3211, the guide parts 321 are plates, the guide parts 321 are a plurality of and are vertically arranged, the driving rod 31 passes through the guide holes 3211 on the plurality of guide parts 321, the second guide structure 32 is shown in fig. 3, and is a guide groove formed by the outer tube 12 through a drawing process, the driving rod 31 is clamped in the guide groove, the guide groove can also play a role of reinforcing the outer tube 12 on the premise of playing a guide role, the deformation resistance of the reinforced outer tube 12 is improved, and the service life of the whole tubular pile core filling device is ensured. The upper end of the driving rod 31 extends upwards out of the space 13, a driving block 33 is fixedly connected to the driving rod 31, and the driving block 33 is provided with an inclined pressing surface 311 for acting on the side end of the horizontal sliding block 22.

When the driving rod 31 is subjected to vertical pressure to move vertically, the inclined pressing surface 311 acts on the horizontal sliding block 22 to drive the horizontal sliding block 22 to overcome the elasticity of the reset spring 25 and move horizontally, so that the knocking head 24 knocks the part of the inner pipe 11 below the soil layer, and the worker is combined with the part of the knocking inner pipe 11 above the soil layer, so that the separation between the inner pipe 11 and the cast-in-place pile is more sufficient, and the whole pipe pile 1 is pulled out conveniently. After the driving rod 31 is released, the horizontal slider 22 is reset under the elastic force of the reset spring 25, and at the same time, the mounting plate 23 and the knocking head 24 are reset for the next knocking.

In this embodiment, the mounting plate 23 is a strip-shaped plate and extends vertically, the side surface of the mounting plate 23 facing the inner pipe 11 is provided with a plurality of vertically arranged knocking heads 24, and the plurality of knocking heads 24 simultaneously knock the parts of the inner pipe 11 at different height positions, so that the connection between the inner pipe 11 and the cast-in-place pile is disconnected more quickly.

In order to make the strip-shaped mounting plates 23 more stable, the number of the horizontal rails 21 is two, and the upper and lower ends of the mounting plates 23 are mounted on the horizontal sliding blocks 22 corresponding to the two horizontal rails 21, so that the mounting plates 23 are more stable by fixing the mounting plates 23 from the upper and lower ends.

In addition, in order to ensure the structural strength of the strip-shaped mounting plate 23, as shown in fig. 4, the mounting plate 23 is an arc plate coaxial with the inner tube 11, and the arc plate further facilitates the circumferential arrangement of a plurality of knocking heads 24, so as to achieve a better knocking effect.

As shown in fig. 5, the connecting rib 14 includes a first connecting section 141 connected to the inner pipe 11 and a second connecting section 142 connected to the outer pipe 12, a shock absorbing pad 143 is disposed between the first connecting section 141 and the second connecting section 142 and connects the first connecting section 141 and the second connecting section 142, the first connecting section 141 and the second connecting section 142 are respectively provided with a connecting pad 144 connected to the shock absorbing pad 143, and when the knocking head 24 hits the inner pipe 11, shock is reduced and transmitted to the outer pipe 12, damage to the outer pipe 12 is reduced, and life of the whole pipe pile core filling device is ensured.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The utility model provides a tubular pile core filling device convenient to draw, includes tubular pile (1), its characterized in that, tubular pile (1) include inner tube (11), outer tube (12), form space (13) between inner tube (11) and outer tube (12), be provided with in space (13) and strike structure (2) and make strike structure (2) horizontal strike inner tube (11) drive structure (3);

The knocking structure (2) comprises a horizontal rail (21), a horizontal sliding block (22) limited on the horizontal rail (21), a mounting plate (23) connected with the horizontal sliding block (22), and a knocking head (24) fixed on the mounting plate (23), wherein the horizontal sliding block (22) is also connected with the horizontal rail (21) through a reset spring (25);

The driving structure (3) drives the horizontal sliding block (22) to horizontally move.

2. A tubular pile core filling device convenient to draw according to claim 1, characterized in that the driving structure (3) comprises a driving rod (31) and a guiding structure (32) for limiting the movement direction of the driving rod (31) to be vertical, the upper end of the driving rod (31) extends upwards out of the space (13), a driving block (33) is fixedly connected to the driving rod (31), and the driving block (33) is provided with an inclined pressing surface (311) used for acting on the side end of the horizontal sliding block (22).

3. A pipe pile core filling device facilitating drawing according to claim 2, characterised in that the guiding structure (32) comprises a plurality of guiding elements (321) with guiding holes (3211).

4. A tubular pile core filling device facilitating drawing according to claim 2, characterised in that the guide structure (32) is a guide groove formed by the outer tube (12) through a drawing process.

5. A tubular pile core filling device convenient for drawing according to claim 1, characterized in that the mounting plate (23) extends vertically, and the side of the mounting plate (23) facing the inner pipe (11) is provided with a plurality of knocking heads (24) arranged vertically.

6. The pipe pile core filling device convenient to draw according to claim 5, wherein the number of the horizontal rails (21) is two, and the upper end and the lower end of the mounting plate (23) are mounted on the horizontal sliding blocks (22) corresponding to the two horizontal rails (21).

7. A pipe pile core filling device facilitating drawing according to claim 5, characterised in that the mounting plate (23) is an arcuate plate coaxial with the inner pipe (11).

8. A tubular pile core filling device convenient for drawing according to claim 1, characterized in that a plurality of connecting ribs (14) for connecting the inner tube (11) and the outer tube (12) are arranged in the space (13).

9. The pipe pile core filling device convenient to draw according to claim 8, wherein the connecting rib (14) comprises a first connecting section (141) connected with the inner pipe (11) and a second connecting section (142) connected with the outer pipe (12), and a shock pad (143) connected with the first connecting section (141) and the second connecting section (142) is arranged between the first connecting section (141) and the second connecting section (142).