CN211312525U

CN211312525U - High-efficient pipe that punches a hole of forked drilling bored concrete pile

Info

Publication number: CN211312525U
Application number: CN201922132613.1U
Authority: CN
Inventors: 叶元梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-21
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a high-efficiency punching conduit of a forked type cast-in-situ bored pile; belongs to the technical field of cast-in-situ bored pile construction; the technical key points of the device comprise a pile hole, wherein a bottom end mounting mechanism is arranged in the pile hole; the bottom end mounting mechanism comprises a lower guide pipe, a guide cover is fixedly arranged at the bottom of the lower guide pipe, a blocking block is arranged on the inner side of the guide cover, a guide hole penetrates through the center of the top of the blocking block, the inner wall of the guide hole is arranged in an inclined shape, an annular guide surface is arranged at the bottom of the outer side of the blocking block, a plurality of mounting rods are fixedly arranged at the top of the outer side of the blocking block, one end of each mounting rod is fixedly connected with the blocking block, and the other end of each mounting rod is fixedly connected with the inner wall of; an annular slurry channel is arranged between the blocking block and the flow guide sleeve; the utility model discloses can effectively avoid the sediment to enter into the utility model discloses inside and unable exhaust condition takes place, sediment discharge effect is more ideal.

Description

High-efficient pipe that punches a hole of forked drilling bored concrete pile

Technical Field

The utility model relates to a bored concrete pile construction, more specifically say, especially relate to a high-efficient pipe that punches a hole of forked formula bored concrete pile.

Background

Because the hole bottom sediment can seriously influence the bearing capacity of the cast-in-situ bored pile, secondary punching operation needs to be carried out on the hole bottom sediment, and in order to enable the sediment to be better removed, the forked type cast-in-situ bored pile high-efficiency punching guide pipe specially used for the cast-in-situ bored pile appears in the prior art.

However, the existing high-efficiency punching conduit for the bifurcated cast-in-situ bored pile still has some defects in actual use, for example, in the process of lowering the bifurcated straight conduit, part of sediments are bound to directly enter the bifurcated straight conduit from the opening at the bottom of the bifurcated straight conduit, and in the process of punching, because the inlet of the bifurcated bent conduit is located at a position above, the part of sediments are retained in the bifurcated straight conduit and cannot be discharged, so that the actual discharge effect of the sediments is influenced.

Therefore, it is necessary to invent a high-efficiency punching conduit for a bifurcated cast-in-situ bored pile to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide one kind and can effectively avoid the sediment to enter into the utility model discloses inside and unable exhaust condition takes place, and the forked form drilling bored concrete pile high efficiency pipe that punches a hole that the sediment discharge effect is more ideal.

The technical scheme of the utility model is realized like this: a high-efficiency punching guide pipe of a forked cast-in-situ bored pile comprises a pile hole, wherein a bottom end mounting mechanism is arranged in the pile hole;

the bottom end mounting mechanism comprises a lower guide pipe, a guide cover is fixedly arranged at the bottom of the lower guide pipe, a blocking block is arranged on the inner side of the guide cover, a guide hole penetrates through the center of the top of the blocking block, the inner wall of the guide hole is arranged in an inclined shape, an annular guide surface is arranged at the bottom of the outer side of the blocking block, a plurality of mounting rods are fixedly arranged at the top of the outer side of the blocking block, one end of each mounting rod is fixedly connected with the blocking block, and the other end of each mounting rod is fixedly connected with the inner wall of;

an annular slurry channel is arranged between the blocking block and the air guide sleeve, and a rubber ring is fixedly arranged at the bottom of the air guide sleeve.

In the above-mentioned branch fork bored concrete pile high efficiency pipe that punches a hole, it is a plurality of the installation pole is evenly fixed to be set up in the top of the separation block outside.

In the efficient punching guide pipe for the forked cast-in-situ bored pile, the upper guide pipe is arranged at the top of the lower guide pipe, and the forked pipe is sleeved on the outer sides of the lower guide pipe and the upper guide pipe.

In the efficient punching guide pipe for the forked cast-in-situ bored pile, threads are arranged at the bottom of the outer side of the upper guide pipe, the top of the outer side of the lower guide pipe and the inner side of the installation sleeve, and the lower guide pipe and the upper guide pipe are in threaded connection with the installation sleeve.

In the above-mentioned branch formula bored concrete pile high efficiency pipe that punches a hole, it all fixedly runs through and is provided with the bifurcated pipe to go up the pipe both sides, two bifurcated pipe evenly distributed is in the last pipe outside.

In the above-mentioned high-efficient pipe that punches a hole of forked drilling bored concrete pile, the fixed arc that runs through of bifurcated pipe side is provided with the pipe and bifurcated pipe bottom is fixed and is provided with sealed lid.

In the efficient punching guide pipe for the bifurcated cast-in-situ pile, the included angle between the guide hole and the horizontal line is set to be 30-40 degrees, and the included angle between the annular guide surface and the horizontal line is set to be 45-50 degrees.

The utility model adopts the above structure after, specifically there is following beneficial effect:

1. the utility model discloses an utilize water conservancy diversion hole and annular mud passageway to make mud respectively vertical downwards spout and slope blowout, and then carry out the secondary to the sediment under the bottom installation mechanism and promote to arrange the sediment completely, compare in prior art the same type product, the utility model discloses can effectively avoid the sediment to enter into the utility model discloses the inside condition emergence that can't discharge, sediment discharge effect is more ideal;

2. the utility model discloses a set up the water conservancy diversion downthehole wall into the slope form to the slope inner wall in utilization water conservancy diversion hole leads mud flow, and then makes the blowout that mud flow can more concentrate, and then increases the impact force that mud flow, makes the sediment of bottom installation mechanism bottom can be pushed open more effectually.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a front sectional view of the upper duct of the present invention;

FIG. 3 is a front cross-sectional structural view of the bottom end mounting mechanism of the present invention;

fig. 4 is a schematic top view of the arced tube of the present invention;

in the figure: 1. a bottom end mounting mechanism; 2. a lower conduit; 3. a pod; 4. a barrier block; 5. a flow guide hole; 6. an annular guide surface; 7. mounting a rod; 8. an annular slurry channel; 9. a rubber ring; 10. installing a sleeve; 11. an upper duct; 12. a bifurcated tube; 13. an arc tube; 14. a sealing cover; 15. pile hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The utility model provides a high-efficient pipe that punches a hole of forked drilling bored concrete pile as shown in fig. 1-4, as shown in fig. 1, including waiting the stake hole 15 that washes, stake hole 15 is inside to set up bottom installation mechanism 1.

As shown in fig. 2, 2 tops of downcomer set up upper duct 11, downcomer 2 cup joints with the upper duct 11 outside and sets up bifurcated

pipe

12, 11 both sides of upper duct are all fixed to be run through and set up bifurcated pipe 12, two bifurcated pipe 12 evenly distributed are in the upper duct 11 outside, bifurcated pipe 12 side is fixed to be run through and sets up arc pipe 13 and bifurcated pipe 12 bottom mounting and sets up sealed lid 14, so that the inside mud of bifurcated pipe 12 enters into arc pipe 13, then discharge, spun mud takes place rotatoryly along stake hole 15's inner wall in two arc pipes 13, and then promote the sediment, constantly gush into along with mud simultaneously, the mud of rotation form drives the sediment and rises, and then discharge the sediment.

As shown in fig. 3, the bottom end mounting mechanism 1 comprises a lower conduit 2, a diversion cover 3 is fixedly arranged at the bottom of the lower conduit 2, a blocking block 4 is arranged on the inner side of the diversion cover 3, a diversion hole 5 is arranged at the center of the top of the blocking block 4 in a penetrating manner, the inner wall of the diversion hole 5 is arranged to be inclined, and the included angle between the diversion hole 5 and the horizontal line is arranged to be 30-40 degrees, so that the inclined inner wall of the diversion hole 5 is utilized to guide the mud flow, the mud flow can be sprayed out more intensively, the impact force of the mud flow is increased, and the sediment at the bottom end of the bottom end mounting mechanism 1 can be pushed.

Simultaneously, the bottom of the outer side of the blocking block 4 is provided with an annular guide surface 6, the top of the outer side of the blocking block 4 is fixedly provided with a plurality of mounting rods 7, and the included angle between the annular guide surface 6 and a horizontal line is set to be 45-50 degrees, so that the annular guide surface 6 is utilized to guide the slurry sprayed out of the annular slurry channel 8, and the area of the slurry sprayed out is larger.

In addition, installation pole 7 one end and separation piece 4 fixed connection and installation pole 7 other end and 3 inner wall fixed connection of kuppe, set up annular mud passageway 8 between separation piece 4 and the kuppe 3, the fixed rubber circle 9 that sets up in kuppe 3 bottom, so that when mud enters into 2 insides of downcomer through last pipe 11, under kuppe 3 and separation piece 4's cooperation, mud is respectively by water

conservancy diversion hole

5 and 8 blowout of annular mud passageway, the mud of blowout is strikeed the sediment under bottom installation mechanism 1 in the water conservancy diversion hole 5, and then push away the sediment under bottom installation mechanism 1.

More specifically, a plurality of installation poles 7 are evenly fixed and are set up in 4 outside tops of barrier block, and 11 outside bottoms of upper duct, 2 outside tops of downcomer and installation sleeve 10 inboards all set up the screw thread, and downcomer 2 and upper duct 11 all with installation sleeve 10 threaded connection to connect downcomer 2 in 11 bottoms of upper duct soon through installation sleeve 10.

The utility model discloses the theory of operation:

when the device is used in practice, the lower guide pipe 2 is screwed to the bottom of the upper guide pipe 11 through the mounting sleeve 10, then slurry is supplied through the upper guide pipe 11, when the slurry enters the lower guide pipe 2 through the upper guide pipe 11, the slurry is sprayed out from the flow guide holes 5 and the annular slurry channel 8 under the matching of the flow guide cover 3 and the blocking block 4, and the slurry sprayed out of the flow guide holes 5 impacts sediments right below the bottom mounting mechanism 1 so as to push away the sediments right below the bottom mounting mechanism 1;

meanwhile, the mud sprayed out of the annular mud channel 8 pushes away the sediments for the second time, so that the sediments are completely discharged from the bottom of the bottom end mounting mechanism 1;

along with the decline of bottom installation mechanism 1, mud in the upper conduit 11 also can carry the branch pipe 12 inside when carrying to downcomer 2 simultaneously, and the inside mud of branch pipe 12 enters into the arc 13, then discharges, and spun mud takes place rotatoryly along the inner wall in stake hole 15 in two arc 13, and then promotes the sediment, and along with constantly flushing into of mud, the rotatory mud of form drives the sediment and rises, and then discharges the sediment.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a high-efficient pipe that punches a hole of forked drilling bored concrete pile which characterized in that: the device comprises a pile hole (15), wherein a bottom end mounting mechanism (1) is arranged in the pile hole (15);

the bottom end mounting mechanism (1) comprises a lower guide pipe (2), a flow guide cover (3) is fixedly arranged at the bottom of the lower guide pipe (2), a blocking block (4) is arranged on the inner side of the flow guide cover (3), a flow guide hole (5) penetrates through the center of the top of the blocking block (4), the inner wall of the flow guide hole (5) is arranged in an inclined shape, an annular guide surface (6) is arranged at the bottom of the outer side of the blocking block (4), a plurality of mounting rods (7) are fixedly arranged at the top of the outer side of the blocking block (4), one end of each mounting rod (7) is fixedly connected with the corresponding blocking block (4), and the other end of each mounting rod (7) is fixedly connected with the inner wall of the corresponding flow;

an annular slurry channel (8) is arranged between the blocking block (4) and the air guide sleeve (3), and a rubber ring (9) is fixedly arranged at the bottom of the air guide sleeve (3).

2. A bifurcated bored pile high efficiency punching conduit according to claim 1, wherein a plurality of said mounting rods (7) are uniformly fixed on the top of the outside of the block (4).

3. A bifurcated bored pile high efficiency punching conduit according to claim 1, wherein the top of said lower conduit (2) is provided with an upper conduit (11), and said lower conduit (2) is sleeved with a bifurcated pipe (12) outside said upper conduit (11).

4. A bifurcated cast-in-situ pile high-efficiency punching guide pipe according to claim 3, wherein the bottom outside the upper guide pipe (11), the top outside the lower guide pipe (2) and the inner side of the installation sleeve (10) are all provided with threads, and the lower guide pipe (2) and the upper guide pipe (11) are both in threaded connection with the installation sleeve (10).

5. A bifurcated bored pile high efficiency punching conduit according to claim 3, wherein a bifurcated pipe (12) is fixedly arranged through both sides of the upper conduit (11), and the two bifurcated pipes (12) are evenly distributed outside the upper conduit (11).

6. A forked cast-in-situ pile high-efficiency punching guide pipe as claimed in claim 4, characterized in that the side of the bifurcated pipe (12) is fixedly provided with an arc-shaped pipe (13) in a penetrating manner and the bottom end of the bifurcated pipe (12) is fixedly provided with a sealing cover (14).

7. A bifurcated bored pile high efficiency punching conduit according to claim 1, wherein the angle of the diversion holes (5) to the horizontal is set to 30 ° -40 °, and the angle of the annular guide surface (6) to the horizontal is set to 45 ° -50 °.