CN210341884U

CN210341884U - Support pile

Info

Publication number: CN210341884U
Application number: CN201921147008.5U
Authority: CN
Inventors: 骆斌
Original assignee: Hangzhou Hongzhe Architectural Planning And Design Co Ltd
Current assignee: Hangzhou Hongzhe Architectural Planning And Design Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-17
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a support pile belongs to building construction equipment field. Its technical essential includes hollow pipe pile, be provided with a plurality of holes of permeating water on hollow pipe pile's the side, be provided with the drinking-water pipe in the hollow pipe pile, be provided with the second check valve in the drinking-water pipe, hollow pipe pile is last to be provided with rather than the communicating movable pipe way in inside, be provided with the baffle of removing along its length direction in the movable pipe way, the periphery side of baffle be provided with movable pipe inner wall looks butt's sealing ring, hollow pipe pile's upper surface is provided with the promotion the cylinder that the baffle removed, it is provided with first check valve to permeate water the downthehole. The utility model has the advantages of absorb fender pile soil moisture on every side, improve frictional force between fender pile and the soil.

Description

Support pile

Technical Field

The utility model belongs to building construction equipment field, more specifically say, it relates to a fender pile.

Background

When a soft soil foundation is encountered in building construction, piles need to be driven in the foundation. When the soil layer of the soft soil foundation is deep and the pile cannot be driven to the hard soil layer, the bearing capacity of the pile is provided by means of the friction force between the pile body and the surrounding soft soil foundation soil layer.

A "foundation construction method for a weak foundation" is disclosed in "Sho 55-26378" published by Japanese patent office. The patent provides a hollow pile, 8 rows of permeable holes are punched on the wall of the pile, the hollow pile is filled with permeable materials and then is driven into foundation soil, a water pumping pipe is arranged in the hollow pile, the water pumping pipes in the hollow piles are connected together by pipelines, and then water permeating into the pile is pumped out by a pump, so that the consolidation of the foundation soil is promoted, the friction force between the foundation soil and the pile and the bearing capacity of the pile are increased, the danger of buildings caused by uneven descending of the foundation soil is reduced, and the effect of improving the soft foundation soil is achieved.

However, the support piles can only be used for pumping away the accumulated water penetrating into the interior of the support piles, and negative pressure cannot be formed in the support piles to promote the water of the surrounding soft foundation soil layer to penetrate into the support piles, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fender pile, it has the soil moisture around the absorption fender pile, improves the advantage of frictional force between fender pile and the soil.

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

the utility model provides a support pile, includes hollow pipe pile, be provided with a plurality of holes of permeating water on hollow pipe pile's the side, be provided with the drinking-water pipe in the hollow pipe pile, be provided with the second check valve in the drinking-water pipe, hollow pipe pile is last to be provided with rather than the communicating movable pipeline in inside, be provided with the baffle of removing along its length direction in the movable pipeline, the periphery side of baffle be provided with movable pipeline inner wall looks butt's sealing ring, hollow pipe pile's upper surface is provided with the promotion the cylinder that the baffle removed, it is provided with first check valve to permeate water the downthehole.

Through adopting above-mentioned technical scheme, during the construction, will prop up the fender pile and sink into foundation soil, start the tensile baffle of cylinder for pressure in the hollow pipe pile reduces, and water in the foundation soil sees through first check valve under the effect of stake external pressure and gets into in the hollow pipe pile, is taken out through the drinking-water pipe by the water pump water in with the hollow pipe pile again, promotes the consolidation of foundation soil, improves frictional force between fender pile and the soil.

Further, first check valve includes the spring and covers the apron in the hole of permeating water, hollow pipe pile's inner wall just is located the hole edge of permeating water is provided with a plurality of standing grooves, the spring sets up the bottom of standing groove, the spring is kept away from the one end of standing groove with the apron is connected.

Through adopting above-mentioned technical scheme, when the pressure in the hollow tubular pile reduces, water is acted on the apron under hollow tubular pile external pressure for the spring is tensile, thereby in flowing into hollow tubular pile, simple structure, the outer rivers of the hollow tubular pile of being convenient for flow into.

Furthermore, the inner wall of the hollow pipe pile is provided with a plurality of limiting columns which are connected with the side wall of the cover plate in an abutting mode.

Through adopting above-mentioned technical scheme, the setting of spacing post can prevent that the apron from taking place to slide and leading to permeating water the hole and communicating with each other with hollow pipe pile, avoids the water in the hollow pipe pile to flow through the hole of permeating water.

Furthermore, the one end that hollow tube stake inner wall was kept away from to spacing post be provided with apron surface looks butt's stopper, the stopper is the L type with spacing post.

Through adopting above-mentioned technical scheme, the setting of stopper can avoid the apron to take place great displacement when receiving great impact force, prevents that the spring from taking place deformation to guarantee the life of spring.

Further, a plurality of standing groove and spacing post are along the circumference direction evenly distributed in the hole of permeating water.

Through adopting above-mentioned technical scheme, standing groove and spacing post evenly distributed for the spring evenly distributed around the hole of permeating water can make the atress of apron more even, makes the installation of apron more stable.

Furthermore, the cover plate is provided with a lug which is embedded with the water permeable hole.

Through adopting above-mentioned technical scheme, the setting of lug, when the cylinder promoted the push pedal downstream, the apron drove the lug and to moving in the hole of permeating water, will be attached to and release at the downthehole silt that permeates water to when driving the push pedal upward movement with the cylinder, water is because in hollow tubular pile external pressure gets into hollow tubular pile.

Furthermore, the cross section of the bump is in an isosceles trapezoid shape with a small upper part and a large lower part.

Through adopting above-mentioned technical scheme, set up the cross section of lug into big end down's isosceles trapezoid, it is downthehole that the lug of being convenient for gets into to permeate water, makes things convenient for the lug to clear up the hole of permeating water.

Further, be provided with the filter screen in the hollow tube stake, the hole of permeating water is located the upper end of filter screen, the one end of drinking-water pipe is located the lower extreme of filter screen.

Through adopting above-mentioned technical scheme, the setting of filter screen can filter the sand and soil that gets into in the hollow pipe pile, prevents that sand and soil from getting into in the pumping pipe when the water pump takes water in with the hollow pipe pile out through the pumping pipe, avoids the pumping pipe to block up.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the arrangement of the one-way valve, the air cylinder, the push plate and the movable pipeline, during construction, the support pile is sunk into foundation soil, the air cylinder stretching baffle is started, so that the pressure in the hollow pipe pile is reduced, water in the foundation soil enters the hollow pipe pile through the first one-way valve under the action of the external pressure of the pile, and then the water in the hollow pipe pile is pumped out through the water pumping pipe by the water pump, so that the consolidation of the foundation soil is promoted, and the friction force between the support pile and the soil is improved;

(2) through the arrangement of the limiting columns, the water permeable holes can be prevented from being communicated with the hollow pipe pile due to the slippage of the cover plate, and the water in the hollow pipe pile is prevented from flowing out through the water permeable holes;

(3) through the setting of filter screen, can filter the sand and soil that gets into in the hollow pipe pile, prevent that sand and soil from getting into in the pumping pipe when the water pump takes water in with hollow pipe pile out through the pumping pipe, avoid the pumping pipe to block up.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the present embodiment;

fig. 3 is an enlarged schematic view of the section a in fig. 2.

Reference numerals: 1. hollow pipe piles; 2. water permeable holes; 3. a water pumping pipe; 4. a second one-way valve; 5. a movable duct; 6. a baffle plate; 7. a cylinder; 8. a first check valve; 81. a spring; 82. a cover plate; 9. a placement groove; 10. a limiting column; 11. a limiting block; 12. a bump; 13. and (4) a filter screen.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a support pile, refer to fig. 2 and 3 and show, including hollow pipe pile 1, a plurality of holes 2 of permeating water have been seted up on hollow pipe pile 1's the side, hollow pipe pile 1 in-connection has drinking-water pipe 3, install second check valve 4 in the drinking-water pipe 3, install the movable pipeline 5 that is linked together with upper portion in the hollow pipe pile 1, it has baffle 6 to slide along its length direction in the movable pipeline 5, the sealing ring of the inner wall looks butt of fixed and movable pipeline 5 on the baffle 6, the last fixed surface of hollow pipe pile 1 has the cylinder 7 that promotes the motion of baffle 6, it installs first check valve 8 in the hole 2 to permeate water.

Furthermore, a plurality of placing holes are formed in the inner wall of the hollow pipe pile 1 and positioned at the edges of the water permeable holes 2, the first one-way valve 8 comprises a spring 81 installed in the placing holes and a cover plate 82 covering the water permeable holes 2, one end, far away from the placing groove 9, of the spring 81 is connected with the cover plate 82, the cover plate 82 covers the water permeable holes 2 through the spring 81, and water in the hollow pipe pile 1 is prevented from flowing out of the water permeable holes 2; when the pressure in the hollow tubular pile 1 is reduced, water acts on the cover plate 82 under the pressure outside the hollow tubular pile 1, so that the spring 81 is stretched, and the water flows into the hollow tubular pile 1, the structure is simple, and the water outside the hollow tubular pile 1 can flow into the water.

Referring to fig. 2 and 3, a plurality of limiting columns 10 abutting against the side wall of the cover plate 82 are fixed on the inner wall of the hollow tubular pile 1, the cover plate 82 can be prevented from slipping through the limiting columns 10, and water in the hollow tubular pile 1 is prevented from flowing out of the water permeable hole 2.

Further, one side that spacing post 10 kept away from 1 inner wall of hollow tube pile is fixed with the stopper 11 with apron 82 surperficial looks butt, stopper 11 constitutes the L type with spacing post 10, and when 1 external pressure of hollow tube pile was great, it was great to prevent through stopper 11 that apron 82 from receiving the impact force, avoids spring 81 to take place deformation to spring 81's life has been prolonged.

It is worth mentioning that standing groove 9 and spacing post 10 are along the circumferential direction evenly distributed who permeates water hole 2 for a plurality of springs 81 evenly distributed are around permeating water hole 2, make the atress of apron 82 more even, thereby improve the stability of apron 82 installation.

Referring to fig. 2 and 3, a convex block 12 embedded with the water permeable hole 2 is fixed on one side of the cover plate 82 facing the hollow pipe pile 1, when the cover plate 82 is close to the inner wall of the hollow pipe pile 1, the convex block 12 enters the water permeable hole 2 and pushes out the silt in the water permeable hole 2, so that water can enter the hollow pipe pile 1 from the water permeable hole 2.

Further, set up the cross section of lug 12 into big end down's isosceles trapezoid, the lug 12 of being convenient for gets into in the hole 2 of permeating water to make things convenient for lug 12 to release the hole 2 of permeating water with silt.

Referring to fig. 1 and 2, a filter screen 13 is installed in the hollow pipe pile 1, sand entering the hollow pipe cavity can be filtered through the filter screen 13, the sand entering the water pumping pipe 3 is prevented when the water pump pumps out water in the hollow pipe pile 1 through the water pumping pipe 3, and the water pumping pipe 3 is prevented from being blocked.

The utility model discloses a working process and beneficial effect as follows: during construction, a supporting pile is sunk into foundation soil, the cylinder 7 is started to stretch the baffle 6, so that the pressure in the hollow pipe pile 1 is reduced, water in the foundation soil is under the action of the external pressure of the hollow pipe pile 1, the cover plate 82 leaves the inner wall of the hollow pipe pile 1, the water enters the hollow pipe pile 1, the water in the hollow pipe pile 1 is pumped out through the water pumping pipe 3 by the water pump, the consolidation of the foundation soil is promoted, and the friction force between the supporting pile and the soil is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a support pile, includes hollow pipe pile (1), be provided with a plurality of holes (2) of permeating water on the side of hollow pipe pile (1), be provided with drinking-water pipe (3) in hollow pipe pile (1), its characterized in that, be provided with second check valve (4) in drinking-water pipe (3), be provided with on hollow pipe pile (1) rather than communicating movable pipeline (5) of inside, be provided with baffle (6) of removing along its length direction in movable pipeline (5), the periphery side of baffle (6) be provided with movable pipeline (5) inner wall looks butt's sealing ring, the upper surface of hollow pipe pile (1) is provided with the promotion cylinder (7) that baffle (6) removed, be provided with first check valve (8) in the hole (2) of permeating water.

2. A support pile according to claim 1, characterized in that the first one-way valve (8) comprises a spring (81) and a cover plate (82) covering the water permeable hole (2), the inner wall of the hollow pipe pile (1) and the edge of the water permeable hole (2) are provided with a plurality of placing grooves (9), the spring (81) is arranged at the bottom of the placing groove (9), and one end of the spring (81) far away from the placing groove (9) is connected with the cover plate (82).

3. A support pile according to claim 2, characterised in that the inner wall of the hollow pipe pile (1) is provided with a limiting post (10) abutting against the side walls of the cover plates (82).

4. A support pile according to claim 3, characterized in that one end of the limiting column (10) far away from the inner wall of the hollow pipe pile (1) is provided with a limiting block (11) which is abutted against the surface of the cover plate (82), and the limiting block (11) and the limiting column (10) are L-shaped.

5. A support pile according to claim 3, characterised in that a plurality of said placement grooves (9) and retaining posts (10) are evenly distributed along the circumferential direction of said water permeable holes (2).

6. A support pile according to claim 2, characterised in that the cover plate (82) is provided with a projection (12) for engaging with the water permeable hole (2).

7. A support pile according to claim 6, characterised in that the cross-section of the projection (12) is in the form of an isosceles trapezium with a smaller top and a larger bottom.

8. A support pile according to claim 1, characterized in that a filter screen (13) is arranged in the hollow pipe pile (1), the water permeable hole (2) is located at the upper end of the filter screen (13), and one end of the water pumping pipe (3) is located at the lower end of the filter screen (13).