CN215715217U

CN215715217U - Follow-on plastics drain bar

Info

Publication number: CN215715217U
Application number: CN202121337147.1U
Authority: CN
Inventors: 梁恒丰
Original assignee: Guangzhou Peiji Engineering Materials Co ltd
Current assignee: Guangzhou Peiji Engineering Materials Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-02-01
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses an improved plastic drainage plate, which comprises a plastic core plate and a filter membrane coated outside the plastic core plate, wherein 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, a first guide pipe and a second guide pipe for fluid to flow are respectively arranged on the two sides of the transverse plate along the width direction, the first guide pipe and the second guide pipe are distributed along the length direction of the transverse plate, the rib plates are distributed at intervals along the length direction of the transverse plate, a plurality of rib plates divide a cavity between the transverse plate and the filter membrane into a plurality of drainage channels distributed in parallel, and at least one optical fiber strip distributed along the length direction of the transverse plate is arranged inside the transverse plate. According to the utility model, the optical fiber strips are arranged in the transverse plate of the plastic core plate, and the optical fiber strips can be externally connected with an OTDR optical fiber tester, so that the insertion depth of the plastic drainage plate can be quickly and conveniently measured; in addition, due to the arrangement of the first guide pipe and the second guide pipe, the water collected by the drainage channel can be efficiently and quickly drained outwards by matching with the jet pipe body.

Description

Follow-on plastics drain bar

Technical Field

The utility model relates to the technical field of soft soil foundation treatment drainage, in particular to an improved plastic drainage plate.

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, a drainage plate is inserted into soft soil by a plate inserting machine, and the situation that the drilling depth is not easy to measure and control is often met in actual engineering construction, so that the failure of prepressing drainage consolidation of a soft soil foundation is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved plastic drainage plate, which solves the problem that the insertion depth of the drainage plate is not easy to measure after the plate inserting operation in the prior art is completed.

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

the improved plastic drainage plate comprises a plastic core plate and a filter membrane coated outside the plastic core plate, wherein 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, a first guide pipe and a second guide pipe for fluid to flow are respectively arranged on the two sides of the transverse plate in the width direction, the first guide pipe and the second guide pipe are distributed in the length direction of the transverse plate, the rib plates are distributed at intervals in the length direction of the transverse plate, the rib plates divide the transverse plate and a cavity between the filter membranes into a plurality of drainage channels distributed in parallel, and at least one optical fiber strip distributed in the length direction of the transverse plate is arranged inside the transverse plate.

Further, the optical fiber strips are located at the intersection between the transverse plate and the rib plate. Therefore, the optical fiber strips can be arranged at the intersection between the transverse plate and the rib plate, so that the optical fiber strips are better wrapped, and the optical fiber strips are prevented from being exposed. Preferably, the intersection between diaphragm and the gusset still is equipped with the fillet to increase the intensity of intersection and increase the cross-sectional area of intersection.

Furthermore, the optical fiber strip is a plastic optical fiber or a glass optical fiber, has good flexibility and relatively low cost, and can reduce the overall production cost of the plastic drainage plate.

Further, the number of the optical fiber strips is two.

Further, the optical fiber strips, the first guide pipe, the second guide pipe, the rib plates and the transverse plate are integrally formed. And (3) forming the optical fiber strips, the first guide pipe, the second guide pipe, the rib plates and the transverse plate through a die head by adopting a one-time extrusion process.

Further, the first guide pipe and the second guide pipe are made of PE, and the rib plate and the transverse plate are made of PP. In this way, a skeleton structure having a certain strength and ductility is formed.

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

Furthermore, the rib plates are perpendicular to the transverse plates, and the transverse plates are connected with the middle parts of the rib plates. Therefore, the integral structure of the plastic core plate has better strength and ductility.

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.

Compared with the prior art, the utility model provides an improved plastic drainage plate, which has the following beneficial effects:

according to the utility model, the optical fiber strips are arranged in the transverse plate of the plastic core plate, after the operation of inserting the plate is completed, the optical fiber strips can be externally connected with an OTDR optical fiber tester, the length of the optical fiber strips can be rapidly and conveniently measured, and the insertion depth of the plastic drainage plate can be obtained; in addition, owing to set up first pipe and second pipe, can supply to flow to opposite fluid high-speed through to the cooperation is located the inside one end of soft soil foundation at the plastics drain bar and installs the efflux body additional and can be high-efficient, discharge the outside discharge of water that drainage channel gathered fast.

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 structural view of the present invention;

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

FIG. 3 is a schematic view of the installation of the present invention;

FIG. 4 is a schematic representation of the use of the present invention;

fig. 5 is a schematic structural view of the jet pipe body.

Reference numerals: 1. a plastic core board; 11. a transverse plate; 12. a rib plate; 13. a first conduit; 14. a second conduit; 15. a drainage channel; 16. an optical fiber strip; 2. filtering the membrane; 3. connecting sleeves; 31. a connecting pipe; 311. a mounting cavity; 32. a joint; 321. a water inlet; 322. a first cannula; 323. a second cannula; 4. a jet pipe body; 41. a fluid inlet; 42. a fluid outlet; 43. a water intake port; 44. a conical contraction section; 45. a straight section; 46. a conical diffusion section; 47. an annular inner cavity; 48. an annular port; 5. a first conduit; 6. 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 an improved plastic drainage plate, which is a flat and long plate and includes a plastic core plate 1 and a filter membrane 2 coated outside the plastic core plate 1. The plastic core plate 1 comprises a transverse plate 11 and a plurality of rib plates 12 fixed on the upper side and the lower side of the transverse plate 11. The two sides of the transverse plate 11 along the width direction are respectively provided with a first conduit 13 and a second conduit 14 for fluid flow, and the first conduit 13 and the second conduit 14 are distributed along the length direction of the transverse plate 11. The rib plates 12 are distributed at intervals along the length direction of the transverse plate 11, and a plurality of the rib plates 12 divide a cavity between the transverse plate 11 and the filter membrane 2 to form a plurality of drainage channels 15 which are distributed in parallel. At least one optical fiber strip 16 distributed along the length direction of the transverse plate 11 is arranged inside the transverse plate 11. By arranging the optical fiber strips 16 in the transverse plate 11 of the plastic core plate 1, the optical fiber strips 16 can be externally connected with an OTDR optical fiber tester (not shown in the figure) after the operation of inserting the plate is completed, the length of the optical fiber strips can be quickly and conveniently measured, and the inserting depth of the plastic drainage plate can be obtained; in addition, owing to set up first pipe 13 and second pipe 14, can supply to flow to opposite fluid high-speed through to the cooperation is located the inside one end of soft soil foundation at the plastics drain bar and installs efflux body 4 additional and can outwards discharge the water that drainage channel gathered high-efficiently, fast.

The optical fiber strip 16 is a plastic optical fiber or a glass optical fiber, has good flexibility and relatively low cost, and can reduce the overall production cost of the plastic drainage plate. Preferably, the number of the optical fiber ribbons 16 is two.

The filter membrane 2 is adhered to the surface of the rib plate 12 through hot melting or glue. The filter membrane 2 is preferably made of non-woven fabrics, 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.

The OTDR optical fiber tester is a commercially available product, and the length of the optical fiber strip can be calculated by connecting the light source output end with the end face of the optical fiber strip and detecting optical signals.

In some embodiments, referring to fig. 1 and 2, the fiber optic ribbon 16 is located at the intersection between the cross plate 11 and the rib 12. Therefore, the optical fiber strips 16 can be arranged at the intersection between the transverse plate 11 and the rib plate 12, so that the optical fiber strips 16 are better wrapped, and the optical fiber strips 16 are prevented from being exposed. Preferably, the junction between the transverse plate 11 and the rib plate 12 is further provided with a fillet, so that the strength of the junction is increased and the cross-sectional area of the junction is increased. More specifically, the rib plates 12 are perpendicular to the transverse plate 11, and the transverse plate 11 is connected with the middle part of each rib plate 12. Thus, the integral structure of the plastic core plate 1 has better strength and ductility.

In some specific embodiments, referring to fig. 1 and 2, the optical fiber strips 16, the first guide pipe 13, the second guide pipe 14, the rib plates 12 and the transverse plate 11 are integrally formed. The fiber optic ribbons 16 are simultaneously formed with the first conduit 13, the second conduit 14, the rib plates 12 and the transverse plate 11 through a die head by a one-time extrusion process.

Preferably, the first conduit 13 and the second conduit 14 are made of PE, and the rib plate 12 and the transverse plate 11 are made of PP. In this way, a skeleton structure having a certain strength and ductility is formed. Specifically, as shown in fig. 2, the cross-sectional shapes of the first duct 13 and the second duct 14 are circular.

As shown in fig. 3 and 4, in use, one end of the plastic drainage plate is inserted into a connecting sleeve 3 and inserted into a soft ground together with the connecting sleeve 3. Specifically, the connecting sleeve 3 includes a connecting pipe 31 and a joint 32 which are integrally formed. The joint 32 is used for being inserted into one end of a plastic drainage plate, and a water inlet 321, a first insertion pipe 322 and a second insertion pipe 323 for fluid flowing are arranged in the joint 32. The connecting pipe 31 is provided with a mounting cavity 311 for nesting the jet pipe body 4.

Referring to fig. 4 and 5, the fluid inlet 41 and the fluid outlet 42 are respectively formed at both ends of the fluid pipe body 4, the fluid inlet 41 is connected with the first cannula 322 through the first pipe 5, and the fluid outlet 42 is connected with the second cannula 323 through the second pipe 6. The side wall of the jet pipe body 4 has a water suction port 43 communicating with the water inlet 321. The inside cavity of efflux body 4 forms the efflux inner chamber, the efflux inner chamber divides into circular cone shrinkage section 44, straight section 45 and circular cone diffuser 46 along the axial in proper order, circular cone shrinkage section 44 with fluid entry 41 is connected, circular cone diffuser 46 with fluid exit 42 is connected lie in the efflux body 4 circular cone shrinkage section 44 outside have the annular inner chamber 47 that is linked together with the efflux inner chamber, the port 43 that absorbs water with annular inner chamber 47 intercommunication, circular cone shrinkage section 44 with the juncture of straight section 45 forms the annular port 48 with annular inner chamber 47 intercommunication.

When installing, referring to fig. 3 and 4, the drainage channel 15 is aligned with the water inlet 321 in the joint 32, and the first guide pipe 13 is inserted into the first insertion pipe 322, and the second guide pipe 14 is inserted into the second insertion pipe 323, so that one end of the plastic drainage board is inserted into the joint 32. The plastic drainage plate with the connecting sleeve 3 is vertically inserted into a soft soil foundation by using a board inserting machine, when the plastic drainage plate is used, a section of the optical fiber strip 16 exposed out of the ground surface is externally connected with an OTDR optical fiber tester (not shown in the figure), the length of the optical fiber strip can be quickly and conveniently measured, and the insertion depth of the plastic drainage plate is obtained. When the soft soil foundation is drained and consolidated, a first conduit 13 and a second conduit 14 at one end of the plastic drainage plate 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 channel 15 which is vertically distributed, when the water level in the drainage channel 15 is higher so that the water pressure difference is reduced, the high-pressure water is introduced into the high-pressure water through the fluid inlet 41 through the first conduit 13, the annular inner cavity 47 generates low pressure through the annular port 48 due to the venturi effect, so that the pore water accumulated in the drainage channel 15 is continuously sucked through the water suction port 43 and is discharged outwards through the fluid outlet 42 along with the high-pressure water, the water level in the drainage channel 15 is reduced, the water pressure difference formed between the plastic drainage plate and the surrounding soft soil foundation is restored again, the pore water permeates and flows into the drainage channel 15 from the soft soil foundation again, and the steps are repeated, so that the effect of rapid drainage and consolidation of the 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

1. The utility model provides a follow-on plastics drain bar, includes plastic core board and the cladding filter membrane outside plastic core board, its 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, a first guide pipe and a second guide pipe for fluid to flow are respectively arranged on the two sides of the transverse plate in the width direction, the first guide pipe and the second guide pipe are distributed in the length direction of the transverse plate, the rib plates are distributed at intervals in the length direction of the transverse plate, a plurality of rib plates divide a cavity between the transverse plate and the filter membrane into a plurality of drainage channels distributed in parallel, and at least one optical fiber strip distributed in the length direction of the transverse plate is arranged in the transverse plate.

2. An improved plastic drain board as claimed in claim 1, wherein: the optical fiber strip is positioned at the intersection between the transverse plate and the rib plate.

3. An improved plastic drain board as claimed in claim 1, wherein: the optical fiber strip is a plastic optical fiber or a glass optical fiber.

4. An improved plastic drain board as claimed in claim 3, wherein: the number of the optical fiber strips is two.

5. An improved plastic drain board as claimed in claim 1, wherein: the optical fiber strips, the first guide pipe, the second guide pipe, the rib plates and the transverse plate are integrally formed.

6. The improved plastic drain panel of claim 5, wherein: the first guide pipe and the second guide pipe are made of PE, and the rib plate and the transverse plate are made of PP.

7. The improved plastic drain panel of claim 5, wherein: the first and second conduits are circular in cross-sectional shape.

8. An improved plastic drain board as claimed in claim 1, wherein: the rib plates are perpendicular to the transverse plates, and the transverse plates are connected with the middle parts of the rib plates.

9. An improved plastic drain board according to any one of claims 1 to 8, wherein: the filter membrane is adhered to the surface of the rib plate through hot melting or glue.

10. An improved plastic drain panel as defined in claim 9, wherein: the filter membrane is non-woven fabric.