CN218373863U

CN218373863U - Bored concrete pile post-grouting construction device

Info

Publication number: CN218373863U
Application number: CN202222755951.2U
Authority: CN
Inventors: 张迪; 陈前; 班程远; 尉建伟; 王林明; 李俊杰
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-24
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a mud jacking construction equipment behind bored concrete pile, including the standpipe, be equipped with first screw thread layer on the inner wall of standpipe, be equipped with the connecting pipe in the standpipe, be equipped with on the outer wall of connecting pipe with first screw thread layer matched with second screw thread layer, two connecting blocks of symmetrical fixedly connected with on the outer wall of connecting pipe, two the equal fixedly connected with rectangular block of lower extreme of connecting block, the upper end of standpipe is equipped with two fixed slots with rectangular block matched with, two be equipped with the draw-in groove on the rectangular block, two all be equipped with on the looks lateral inner wall of the back of the body of fixed slot with draw-in groove matched with spacing subassembly. The device passes through threaded connection between connecting pipe and the standpipe, also can accomplish the change to the slip casting pipe fast when guaranteeing the seal of connecting, cuts the setting of shape piece and draw-in groove through two simultaneously, carries out the secondary to connecting pipe and standpipe fixed to can further ensure the stability of standpipe and connecting pipe, avoid the standpipe to appear with the condition that the connecting pipe breaks away from.

Description

Cast-in-place pile post-grouting construction device

Technical Field

The utility model relates to a building application technology field especially relates to a bored concrete pile post-grouting construction device.

Background

In present building engineering, often need use pile foundation as the basis of building crowd, wherein bored concrete pile is a form of pile foundation, and it is comparatively extensive to use in pile foundation construction, and during bored concrete pile construction, in order to further strengthen and firm the ground in certain limit around, the resistance of reinforcing pile tip need adopt the method of mud jacking to carry out the construction, nevertheless still has following problem in the mud jacking process:

the grouting process is characterized in that a grouting pipe is communicated with an external pressure pump, so that filling is performed, the grouting pipe is communicated with the pressure pump through a hose, the hose is fixed with the grouting pipe through fixing components such as iron wires, the grouting pipe can be quickly replaced in the mode after being blocked by the grouting pipe, the tightness of connection between the hose and the grouting pipe cannot be guaranteed when the grouting pipe is actually used, if the hose and the grouting pipe are fixedly processed, the processing steps are more complicated, the grouting pipe is more troublesome to replace after being blocked, and therefore the problem of reasonably solving the problem needs to be considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the mud jacking construction equipment behind bored concrete pile who provides, the device passes through threaded connection between connecting pipe and the standpipe, also can accomplish the change to the slip casting pipe fast when guaranteeing the seal of connecting, carry out the secondary through two settings of carving shape piece and draw-in groove simultaneously, it is fixed to carry out the secondary to connecting pipe and standpipe to can further ensure the stability of standpipe and connecting pipe, avoid the standpipe to appear with the condition that the connecting pipe breaks away from.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bored concrete pile back mud jacking construction equipment, includes the standpipe, be equipped with first screw thread layer on the inner wall of standpipe, be equipped with the connecting pipe in the standpipe, be equipped with on the outer wall of connecting pipe with first screw thread layer matched with second screw thread layer, two connecting blocks of symmetry fixedly connected with on the outer wall of connecting pipe, two the equal fixedly connected with rectangular block of lower extreme of connecting block, the upper end of standpipe is equipped with two fixed slots with rectangular block matched with, two be equipped with the draw-in groove on the rectangular block, two all be equipped with on the mutually opposite side inner wall of fixed slot with draw-in groove matched with spacing subassembly.

Preferably, the limiting assembly comprises a sliding groove arranged on the inner wall of one side, away from the connecting pipe, of the fixing groove, a convex block and a wedge-shaped block are arranged in the sliding groove, the convex block and the wedge-shaped block are both in sliding connection with the inner wall of the sliding groove, and the opposite surfaces of the convex block and the wedge-shaped block are elastically connected through a return spring.

Preferably, two the dorsal part of spout all is equipped with the opening, two open-ended inside top all is equipped with the baffle, two all be equipped with the screw thread mouth on the baffle, two equal threaded connection has the bolt in the screw thread mouth, two open-ended opposite side all is equipped with the screw hole with bolt matched with.

Preferably, the outside of standpipe is followed its axial intercommunication and is had a plurality of honeycomb ducts, and is a plurality of the honeycomb duct is kept away from the one end of standpipe and is communicated jointly and have the slip casting pipe, the outside of slip casting pipe is equipped with a plurality of slip casting mouths.

Preferably, the upper end of the connecting pipe is communicated with a hose.

Preferably, the opposite sides of the two bumps are both cambered surfaces.

Compared with the prior art, the device has the advantages that:

1. compared with the prior art, the grouting pipe can be quickly replaced while the direct tightness of the vertical pipe and the connecting pipe can be ensured by the threaded connection of the connecting pipe and the vertical pipe during actual use;

2. compared with the prior art, through the setting of carving the shape piece and draw-in groove for when in actual use, carve the shape piece and be located the draw-in groove, thereby can carry out the secondary to standpipe and connecting pipe and fix, further promote the stability between standpipe and the connecting pipe.

Drawings

Fig. 1 is a schematic structural view of a grouting construction device after a cast-in-place pile according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is a top view of fig. 1.

In the figure: the grouting device comprises a grouting pipe 1, a grouting opening 2, a vertical pipe 3, a connecting block 4, a connecting pipe 5, a fixing groove 6, a hose 7, a flow guide pipe 8, a second threaded layer 9, a clamping groove 10, a wedge block 11, a return spring 12, a convex block 13, an opening 14, a baffle 15, a bolt 16 and a threaded hole 17.

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.

Referring to fig. 1-4, a bored concrete pile post-grouting construction device, including standpipe 3, the outside of standpipe 3 has a plurality of honeycomb ducts 8 along its axial intercommunication, the one end that standpipe 3 was kept away from to a plurality of honeycomb ducts 8 communicates jointly with slip casting pipe 1, the outside of slip casting pipe 1 is equipped with a plurality of slip casting mouth 2, be equipped with first screw thread layer on the inner wall of standpipe 3, be equipped with connecting pipe 5 in the standpipe 3, the upper end intercommunication of connecting pipe 5 has hose 7, can set up a force pump outward, the one end and the force pump intercommunication of connecting pipe 5 are kept away from to hose 7, be equipped with on the outer wall of connecting pipe 5 with first screw thread layer matched with second screw thread layer 9, the setting of first screw thread layer and second screw thread layer 9 makes standpipe 3 and connecting pipe 5 threaded connection, symmetrical two connecting blocks 4 of fixedly connected with on the outer wall of connecting pipe 5, the equal fixedly connected with rectangular block of lower extreme of two connecting blocks 4, the upper end of standpipe 3 is equipped with two fixed slots 6 with rectangular block matched with, be equipped with draw-in groove 10 on two rectangular blocks, all be equipped with spacing subassembly with 10 on the draw-in the back of the body side inner wall of two fixed slots 6.

The limiting assembly comprises a sliding groove which is formed in the inner wall of one side, far away from the connecting pipe 5, of the fixing groove 6, a convex block 13 and a wedge block 11 are arranged in the sliding groove, the upper ends of the two wedge blocks 11 are arc surfaces, the opposite sides of the two convex blocks 13 are the arc surfaces, the convex blocks 13 and the wedge blocks 11 are both in sliding connection with the inner wall of the sliding groove, and the opposite surfaces of the convex blocks 13 and the wedge blocks 11 are elastically connected through a reset spring 12.

Wherein, the mutually dorsal part of two spouts all is equipped with opening 14, and two opening 14's interior tops all are equipped with baffle 15, all are equipped with the screw thread mouth on two baffles 15, and equal threaded connection has bolt 16 in two screw thread mouths, and two opening 14's opposite sides all is equipped with 17 with 16 matched with screw holes of bolt, 17 threaded connection of two bolt 16 and the screw hole that corresponds.

The utility model discloses its functional principle is explained to the following mode of operation of accessible: in actual use, when the grouting pipe 1 is blocked and needs to be replaced, the two bolts 16 can be rotated firstly to enable the two bolts 16 to be separated from the threaded holes 17, then the two baffles 15 are rotated, the reset spring 12 is in a compressed state when the two baffles 15 are sealed, at the moment, after the two baffles 15 are opened, the two lugs 13 can be ejected out under the elastic action of the reset spring 12, and at the moment, the two lugs 13 only need to be pulled outwards to enable the two wedge blocks 11 to move back to back and away from the clamping groove 10;

at the moment, the two convex blocks 13 are loosened, the wedge-shaped block 11 cannot move back, and then the connecting pipe 5 is screwed, so that the connecting pipe 5 is separated from the vertical pipe 3, and the grouting pipe 1 can be replaced;

when the vertical pipe is replaced, a new vertical pipe 3 is in threaded connection with the connecting pipe 5, then the two baffle plates 15 are pressed down, the bolts 16 are fixed in the threaded holes 17 again, at the moment, the two lugs 13 can be pushed by the baffle plates 15 to move relatively, and therefore the two wedge blocks 11 can move relatively to enter the clamping grooves 10 again to be fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mud jacking construction equipment behind bored concrete pile, includes standpipe (3), its characterized in that: be equipped with first screw thread layer on the inner wall of standpipe (3), be equipped with connecting pipe (5) in standpipe (3), be equipped with on the outer wall of connecting pipe (5) with first screw thread layer matched with second screw thread layer (9), two connecting blocks of symmetry fixedly connected with (4), two on the outer wall of connecting pipe (5) the equal fixedly connected with rectangular block of lower extreme of connecting block (4), the upper end of standpipe (3) is equipped with two and rectangular block matched with fixed slot (6), two be equipped with draw-in groove (10), two on the rectangular block all be equipped with on the looks lateral inner wall of fixed slot (6) with draw-in groove (10) matched with spacing subassembly.

2. The apparatus for post-grouting construction of a cast-in-place pile according to claim 1, wherein: the limiting assembly comprises a sliding groove which is formed in the inner wall of one side, far away from the connecting pipe (5), of the fixing groove (6), a convex block (13) and a wedge-shaped block (11) are arranged in the sliding groove, the convex block (13) and the wedge-shaped block (11) are both in sliding connection with the inner wall of the sliding groove, and the opposite surfaces of the convex block (13) and the wedge-shaped block (11) are elastically connected through a return spring (12).

3. The apparatus for post-grouting construction of a cast-in-place pile according to claim 2, wherein: two the looks dorsal part of spout all is equipped with opening (14), two the interior top of opening (14) all is equipped with baffle (15), two all be equipped with the screw thread mouth on baffle (15), two equal threaded connection has bolt (16) in the screw thread mouth, two the opposite side of opening (14) all is equipped with screw hole (17) with bolt (16) matched with.

4. The apparatus for post-grouting construction of a cast-in-place pile according to claim 1, wherein: the outside of standpipe (3) has a plurality of honeycomb ducts (8) along its axial intercommunication, and is a plurality of honeycomb duct (8) keep away from the common intercommunication of one end of standpipe (3) and have slip casting pipe (1), the outside of slip casting pipe (1) is equipped with a plurality of slip casting mouths (2).

5. The apparatus for post-grouting construction of a cast-in-place pile according to claim 1, wherein: the upper end of the connecting pipe (5) is communicated with a hose (7).

6. The apparatus for post-grouting construction of a cast-in-place pile according to claim 2, wherein: the opposite sides of the two convex blocks (13) are arc surfaces.