CN216275612U - Strong drainage device for soft soil foundation drainage consolidation - Google Patents

Abstract

The utility model discloses a strong drainage device for drainage consolidation of a soft soil foundation, which comprises a drainage plate body and a connecting sleeve, wherein the drainage plate body comprises a plastic core plate and a filter membrane, and a first guide pipe, a second guide pipe and a plurality of drainage channels which are distributed along the length direction of the plastic core plate are arranged in the plastic core plate; the connecting sleeve is provided with a mounting cavity for nesting the jet pipe body and a connector inserted with one end of the drainage plate body, and the connecting sleeve is integrally formed with a plug part; the two ends of the jet flow pipe body are respectively provided with a fluid inlet and a fluid outlet for fluid flowing, the side wall of the jet flow pipe body is provided with a water absorbing port, a first inserting pipe, a second inserting pipe and a water inlet communicated with the water absorbing port are arranged in the joint, one end of the first inserting pipe is connected with the fluid inlet through a first pipeline, the other end of the first inserting pipe is connected with a first conduit, one end of the second inserting pipe is connected with the fluid outlet through a second pipeline, and the other end of the second inserting pipe is connected with a second conduit. The utility model has the advantages of high consolidation drainage efficiency and convenient plate insertion.

Description

Strong drainage device for soft soil foundation drainage consolidation

Technical Field

The utility model relates to the technical field of soft soil foundation drainage consolidation, in particular to a strong drainage device for soft soil foundation drainage consolidation.

Background

In the prior art, a prepressing drainage consolidation method is generally adopted for soft foundation consolidation, the prepressing drainage consolidation method mainly comprises a vacuum prepressing method and a surcharge prepressing method, when the soft foundation consolidation treatment is carried out by adopting the vacuum prepressing method or the surcharge prepressing method, a vertical sand well or a drainage plate is generally arranged in the soft foundation to be used as a drainage channel, and drainage consolidation is carried out under the self-weight load or vacuum load prepressing of a surcharge material, so that pore water in the soft foundation is discharged outwards through the drainage channel.

At present, the conventional drain board is connected with a pipeline at one end of the ground surface, so that pore water in a drainage channel in the drain board is pumped out and drained away by utilizing a pumping device such as a pump, and the drainage efficiency is low in the mode, and the time is long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a strong drainage device for soft soil foundation drainage consolidation, which solves the problem of low drainage efficiency of soft soil foundation consolidation in the prior art.

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

a strong drainage device for drainage consolidation of a soft soil foundation comprises a drainage plate body and a connecting sleeve, wherein the drainage plate body comprises a plastic core plate and a filter membrane coated outside the plastic core plate, and a first guide pipe, a second guide pipe and a plurality of drainage channels which are distributed along the length direction of the plastic core plate are arranged inside the plastic core plate; the connecting sleeve is provided with a mounting cavity for nesting the jet pipe body and a connector inserted with one end of the drainage plate body, and a plug part is integrally formed at one end of the connecting sleeve far away from the connector; the both ends of efflux body have respectively and supply fluid mobile fluid entry and fluid outlet, the lateral wall of efflux body has the port that absorbs water, be equipped with first intubate, second intubate in the joint and with the water inlet that the port communicates absorbs water, the one end of first intubate through first pipeline with fluid entry connects, the other end of first intubate with first pipe connection, the one end of second intubate through the second pipeline with fluid outlet connects, the other end of second intubate with second pipe connection.

Further, the installation cavity is a cylindrical cavity body, the jet flow pipe body is cylindrical, and the outer wall of the jet flow pipe body is connected with the inner wall of the installation cavity in an interference fit mode. So, can fix the efflux body in the installation cavity well, difficult not hard up.

Furthermore, annular grooves distributed annularly are arranged in the installation cavity, the inner diameter of each annular groove is larger than the outer diameter of the jet flow pipe body, and the water inlet is communicated to the water suction port through the annular groove. So, when the installation efflux body, need not to say the installation angle of efflux body, and the port homoenergetic that absorbs water of efflux body and ring channel intercommunication to be convenient for the pore water in the drainage channel can be inhaled by the efflux body.

Furthermore, positioning rings distributed in an annular mode are arranged in the installation cavity. Thus, when the jet flow pipe is installed, the water suction port of the jet flow pipe body can be aligned with the annular groove.

Further, threaded interfaces are arranged at two ends of the installation cavity, and end covers with threaded heads are arranged on the threaded interfaces. And the end cover is assembled in a threaded manner, so that the operation is convenient.

Furthermore, the plastic core plate comprises a transverse plate and a plurality of rib plates fixed on the upper side and the lower side of the transverse plate, the first guide pipe and the second guide pipe are respectively positioned on the two sides of the transverse plate along the width direction, the rib plates are distributed at intervals along the length direction of the transverse plate, and the plurality of rib plates separate a cavity between the transverse plate and the filter membrane to form a plurality of drainage channels which are distributed in parallel.

Further, the cross-sectional shape of the first and second conduits is circular.

Further, the filter membrane is adhered to the surface of the rib plate through hot melting or glue.

Furthermore, the filter membrane is the non-woven fabrics, has advantages such as equivalent aperture, the coefficient of permeability is great and tensile strength height, can effectively reduce the earth granule to the jam of plastics drain bar.

Further, the inside cavity of efflux body forms the efflux inner chamber, the efflux inner chamber divides into circular cone shrinkage section, straight section and circular cone divergent section along the axial in proper order, circular cone shrinkage section with fluid inlet connects, circular cone divergent section with fluid outlet connects be located the circular cone shrinkage section outside in the efflux body and have the annular inner chamber that is linked together with the efflux inner chamber, the port that absorbs water with annular inner chamber intercommunication, circular cone shrinkage section with the junction of straight section forms the annular port that communicates with annular inner chamber. So, let in through first pipe through fluid entry with high-pressure water, high-pressure water makes annular inner chamber produce the low pressure through annular port department because the venturi effect to constantly inhale the pore water that gathers in the drainage channel through the port that absorbs water, and then outwards discharge through the fluid outlet along with high-pressure water together, realized quick drainage.

Compared with the prior art, the utility model provides a strong drainage device for soft soil foundation drainage consolidation, which has the following beneficial effects:

according to the utility model, the jet pipe body is installed by arranging the connecting sleeve in a nested manner, the first guide pipe and the second guide pipe are arranged on the plastic core plate to be connected with the jet pipe body, and the first guide pipe and the second guide pipe can be used for allowing opposite fluid to pass at high speed, so that pore water in the drainage channel is quickly discharged by utilizing the Venturi effect, and the consolidation drainage efficiency of the soft soil foundation is accelerated. Meanwhile, the connecting sleeve is also integrally provided with a plug part, so that the operation of inserting the board is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is an assembled view of the present invention;

fig. 5 is a schematic cross-sectional view of a jet pipe.

Reference numerals: 1. a drainage plate body; 11. a plastic core board; 111. a transverse plate; 112. a rib plate; 12. filtering the membrane; 13. a first conduit; 14. a second conduit; 15. a drainage channel; 2. connecting sleeves; 21. a mounting cavity; 211. an annular groove; 212. a positioning ring; 213. a threaded interface; 22. a joint; 221. a first cannula; 222. a second cannula; 223. a water inlet; 23. a plug portion; 24. an end cap; 241. a screw head; 3. a jet pipe body; 31. a fluid inlet; 32. a fluid outlet; 33. a water intake port; 34. a conical contraction section; 35. a straight section; 36. a conical diffusion section; 37. an annular inner cavity; 38. an annular port; 4. a first conduit; 5. a second conduit.

Detailed Description

The technical solutions of the present invention will be described clearly and completely in the following detailed description of embodiments thereof, which is to be understood as being illustrative only and not restrictive in all respects. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 5, the present embodiment provides a strong drainage device for soft soil foundation drainage consolidation, including a drainage plate body 1 and a connection sleeve 2. The drainage plate body 1 is in a flat long plate shape and comprises a plastic core plate 11 and a filter membrane 12 coated outside the plastic core plate 11, wherein a first guide pipe 13, a second guide pipe 14 and a plurality of drainage channels 15 which are distributed along the length direction of the plastic core plate are arranged inside the plastic core plate 11. The connecting sleeve 2 is provided with a mounting cavity 21 for nesting the jet pipe body 3 and a connector 22 inserted with one end of the drainage plate body 1. The connecting sleeve 2 is integrally provided with a plug part 23 at one end far away from the joint 22. The two ends of the fluidic tube 3 are respectively provided with a fluid inlet 31 and a fluid outlet 32 for fluid to flow, the side wall of the fluidic tube 3 is provided with a water suction port 33, the joint 22 is provided with a first cannula 221, a second cannula 222 and a water inlet 223 communicated with the water suction port 33, one end of the first cannula 221 is connected with the fluid inlet 31 through a first pipeline 4, the other end of the first cannula 221 is connected with the first conduit 13, one end of the second cannula 222 is connected with the fluid outlet 32 through a second pipeline 5, and the other end of the second cannula 222 is connected with the second conduit 14. The jet pipe body 3 is installed in a nested mode through the connecting sleeve 2, the first guide pipe 13 and the second guide pipe 14 are arranged on the plastic core plate 11 to be connected with the jet pipe body 3, the first guide pipe 13 and the second guide pipe 14 can allow fluid flowing in opposite directions to pass through at high speed, therefore, pore water in the drainage channel 15 is discharged quickly through the Venturi effect, and the consolidation drainage efficiency of a soft soil foundation is accelerated. Meanwhile, the connecting sleeve 2 is further integrally provided with a plug part 23, so that the inserting operation is facilitated, and the forming and processing are simple.

Referring to fig. 5, the inside of the jet pipe body 3 is hollow to form a jet inner cavity, the jet inner cavity is sequentially divided into a conical contraction section 34, a straight section 35 and a conical diffusion section 36 along the axial direction, the conical contraction section 34 is connected with the fluid inlet 31, the conical diffusion section 36 is connected with the fluid outlet 32, an annular inner cavity 37 communicated with the jet inner cavity is arranged on the outer side of the conical contraction section 34 in the jet pipe body 3, the water suction port 33 is communicated with the annular inner cavity 37, and an annular port 38 communicated with the annular inner cavity 37 is formed at the junction of the conical contraction section 34 and the straight section 35. Thus, when the high-pressure water body is introduced through the first conduit 13 via the fluid inlet 31, the high-pressure water body generates low pressure in the annular inner cavity 37 via the annular port 38 due to the venturi effect, so that the pore water accumulated in the drainage channel 15 is continuously sucked in via the water suction port 33, and is discharged outwards via the fluid outlet 32 along with the high-pressure water body, thereby realizing rapid drainage.

Specifically, referring to fig. 3, the plastic core plate 11 includes a transverse plate 111 and a plurality of rib plates 112 fixed to upper and lower sides of the transverse plate 111, the first guide pipe 13 and the second guide pipe 14 are respectively located on two sides of the transverse plate 111 along a width direction, the rib plates 112 are distributed at intervals along a length direction of the transverse plate 111, and the plurality of rib plates 112 partition a cavity between the transverse plate 111 and the filter membrane 12 to form a plurality of drainage channels 15 distributed in parallel. The cross-sectional shape of the first and second conduits 13, 14 is preferably circular.

In some specific embodiments, referring to fig. 2 and 4, the installation cavity 21 is a cylindrical hollow cavity, the jet flow tube body 3 is cylindrical, and an outer wall of the jet flow tube body 3 is connected with an inner wall of the installation cavity 21 in an interference fit manner. So, can fix efflux body 3 in installation cavity 21 well, difficult not hard up.

As a modified embodiment, referring to fig. 2, an annular groove 211 is disposed in the installation cavity 21, the inner diameter of the annular groove 211 is larger than the outer diameter of the jet pipe body 3, and the water inlet 223 is communicated to the water suction port 33 through the annular groove 211. So, when installing efflux body 3, need not to say the installation angle of efflux body 3, and the port 33 homoenergetic that absorbs water of efflux body 3 communicates with annular groove 211 to be convenient for the pore water in the drainage channel 15 can be inhaled by efflux body 3.

Further as a preferred embodiment, with reference to fig. 2, a positioning ring 212 is provided in the mounting cavity 21 in an annular distribution. In this way, it is ensured that the water suction port of the jet pipe body 3 is aligned with the annular groove 211 when mounted.

In some specific embodiments, referring to fig. 4, both ends of the installation cavity 21 are provided with screw interfaces 213, and the screw interfaces 213 are provided with end caps 24 having screw heads 241. The end cover 24 is assembled in a threaded manner, so that the jet pipe body 3 is convenient to operate and install.

In some embodiments, the filter membrane 12 is bonded to the surface of the rib 112 by hot melt or glue. Preferably, the filter membrane 12 is a non-woven fabric, has the advantages of equivalent aperture, large permeability coefficient, high tensile strength and the like, and can effectively reduce the blockage of soil particles to the plastic drainage plate.

When mounting, referring to fig. 4, the jet pipe body 3 is inserted into the mounting cavity 21 until the jet pipe body 3 abuts against the positioning ring 212, at which time the water suction port 33 of the jet pipe body 3 is aligned with the water inlet 223 in the joint 22; then, the first tube 4 is connected to the first cannula 221 and the fluid inlet 31, the second tube 5 is connected to the second cannula 222 and the fluid outlet 32, and the upper end cap 24 is screwed and locked to seal; then, the drainage plate body 1 is connected with the joint 22 on the connecting sleeve 2, specifically, the drainage channel 15 is aligned with the water inlet 223 in the joint 22, the first conduit 13 is connected with the first insertion tube 221 in an inserting manner, the second conduit 14 is connected with the second insertion tube 222 in an inserting manner, and thus, one end of the drainage plate body 1 is connected with the joint 22 in an inserting manner, as shown in fig. 1; and then, vertically inserting the drainage plate body 1 with the connecting sleeve 2 installed into the soft soil foundation by using a board inserting machine.

When the drainage consolidation of the soft soil foundation is carried out, referring to fig. 2, a first conduit 13 and a second conduit 14 at one end of the drainage plate body 1 above the ground surface are respectively communicated with a pipeline system (not shown in the figure) pumped with high-pressure water; under the action of the groundwater head pressure, pore water in the soft soil foundation can permeate and flow into the drainage channels 15 which are vertically distributed, when the water level in the drainage channels 15 is higher and the water pressure difference is reduced, the high-pressure water is introduced into the high-pressure water through the fluid inlet 31 through the first conduit 13, the annular inner cavity 37 generates low pressure through the annular port 38 due to the venturi effect, so that the pore water accumulated in the drainage channels 15 is continuously sucked through the water suction port 33 and is discharged outwards through the fluid outlet 32 along with the high-pressure water, the water level in the drainage channels 15 is reduced, the water pressure difference formed between the drainage plate body 1 and the surrounding soft soil foundation is restored again, the pore water permeates and flows into the drainage channels 15 from the soft soil foundation again, and the steps are repeated, and the effect of rapid drainage and consolidation of the soft soil foundation is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a soft soil foundation drainage consolidation is with strong drainage device, includes drainage plate body and adapter sleeve, its characterized in that: the drainage plate body comprises a plastic core plate and a filter membrane coated outside the plastic core plate, and a first guide pipe, a second guide pipe and a plurality of drainage channels which are distributed along the length direction of the plastic core plate are arranged inside the plastic core plate; the connecting sleeve is provided with a mounting cavity for nesting the jet pipe body and a connector inserted with one end of the drainage plate body, and a plug part is integrally formed at one end of the connecting sleeve far away from the connector; the both ends of efflux body have respectively and supply fluid mobile fluid entry and fluid outlet, the lateral wall of efflux body has the port that absorbs water, be equipped with first intubate, second intubate in the joint and with the water inlet that the port communicates absorbs water, the one end of first intubate through first pipeline with fluid entry connects, the other end of first intubate with first pipe connection, the one end of second intubate through the second pipeline with fluid outlet connects, the other end of second intubate with second pipe connection.

2. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 1, characterized in that: the installation cavity is a cylindrical cavity body, the jet flow pipe body is cylindrical, and the outer wall of the jet flow pipe body is connected with the inner wall of the installation cavity in an interference fit mode.

3. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 2, characterized in that: the mounting cavity is internally provided with annular grooves which are distributed annularly, the inner diameter of each annular groove is larger than the outer diameter of the jet flow pipe body, and the water inlet is communicated to the water suction port through the annular groove.

4. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 3, characterized in that: and positioning rings distributed annularly are arranged in the mounting cavity.

5. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 1, characterized in that: threaded connectors are arranged at two ends of the mounting cavity, and end covers with threaded heads are arranged on the threaded connectors.

6. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 1, characterized in that: the plastic core plate comprises a transverse plate and a plurality of rib plates fixed on the upper side and the lower side of the transverse plate, the first guide pipe and the second guide pipe are respectively positioned on the two sides of the transverse plate along the width direction, the rib plates are distributed at intervals along the length direction of the transverse plate, and the plurality of rib plates divide a cavity between the transverse plate and the filter membrane into a plurality of drainage channels which are distributed in parallel.

7. A strong drainage device for drainage consolidation of soft soil foundations according to claim 6, characterized in that: the first and second conduits are circular in cross-sectional shape.

8. A strong drainage device for drainage consolidation of soft soil foundations according to claim 6, characterized in that: the filter membrane is adhered to the surface of the rib plate through hot melting or glue.

9. A strong drainage device for drainage consolidation of a soft soil foundation according to claim 8, characterized in that: the filter membrane is non-woven fabric.

10. A strong drainage device for drainage consolidation of a soft soil foundation according to any one of claims 1 to 9, characterized in that: the inside cavity of efflux body forms the efflux inner chamber, the efflux inner chamber divides into circular cone shrinkage section, straight section and circular cone divergent section along the axial in proper order, circular cone shrinkage section with fluid entry connects, circular cone divergent section with fluid exit linkage the efflux body is located the circular cone shrinkage section outside and has the annular inner chamber that is linked together with the efflux inner chamber, the port that absorbs water with annular inner chamber intercommunication, circular cone shrinkage section with the juncture of straight section forms the annular port that communicates with annular inner chamber.

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