CN216515975U - Full-assembly type underground seepage drainage system - Google Patents

Abstract

The utility model discloses a fully assembled underground seepage and drainage system, which comprises an assembled inspection well and a seepage and drainage pipeline connected with the assembled inspection well, wherein the assembled inspection well comprises a base part with an opening at the top and a U-shaped bottom which is sunken downwards, a vertical well section arranged above the base part and a grit chamber which is positioned in the base part and can move up and down along the height direction of the inspection well Underground drainage for engineering construction such as sponge cities, landfill sites and the like has huge market scale and wide popularization and application prospect.

Description

Full-assembly type underground seepage drainage system

Technical Field

The utility model relates to the technical field of underground seepage drainage systems, in particular to a fully-assembled underground seepage drainage system.

Background

In order to ensure safe and efficient operation of the high-speed railway, in the design of the high-speed railway, a non-maintainable seepage drainage blind ditch of a roadbed base needs to be designed.

The traditional subgrade base seepage and drainage blind ditch consists of a concrete inspection well, a site-drilled large-caliber PVC (or PE) double-wall corrugated pipe, an outer geotextile, a gravel filter layer and the like; each section of the water drainage pipe is connected in a socket joint mode, and joints are wrapped and sealed by cement mortar to ensure the connection reliability. Therefore, the traditional subgrade base seepage and drainage blind ditch has the following defects: (1) the field concrete operation amount is large; (2) concrete operation cement slurry easily pollutes geotextile wrapped outside the drain pipe, so that the water permeability is reduced, and the water seepage and drainage requirements are influenced; (3) the construction quality of the filter layer is not guaranteed; (4) the angle can not be adjusted, so that the requirement of a straight line segment with a small curvature radius can not be met; (5) the working procedures are more, and the construction period is long; (6) the cost is high; (7) the drainage efficiency cannot be guaranteed.

Therefore, the utility model particularly provides a fully-assembled underground seepage and drainage system to guarantee drainage efficiency, improve construction progress and reduce comprehensive cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fully-assembled underground seepage and drainage system to solve the problems in the background technology.

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

a fully assembled underground seepage and drainage system comprises an assembled inspection well and a seepage and drainage pipeline connected with the assembled inspection well, wherein the assembled inspection well comprises a base part with an open top and a downward-recessed bottom to form a U shape, a vertical well section arranged above the base part, and a grit chamber which is positioned in the base part and can move up and down along the height direction of the inspection well, the grit chamber is of a rectangular box-shaped structure with an open top, and hooks are arranged on the periphery inside the grit chamber; the vertical shaft section comprises a connecting part and a standard part which are sequentially connected in a socket manner from bottom to top, the bottom of the connecting part is connected with the top of the base part, and the connecting part and the standard part have the same structure;

the connecting part comprises a plurality of upright posts which are vertically arranged on the periphery of the top of the base part, the bottom ends of the upright posts are connected with bolts, and the top ends of the upright posts are provided with inserting holes, and a side plate which is positioned between any two upright posts, is connected with the upright posts and forms a square shape; a clamping groove matched with the side plate in size is formed in the connecting part of any upright post and the side plate, clamping blocks protruding outwards are arranged on the outer walls of the two sides of the opening of the clamping groove, and a hand plate lock catch matched with the clamping blocks in a clamping mode is further arranged at the connecting part of any side plate and the clamping groove;

jacks are formed in the positions, corresponding to the stand columns, on the periphery of the top of the base part one by one, and the bottom ends of the stand columns are matched with the jacks through bolts;

and sealing rings are arranged between the base part and the shaft section, between the connecting part and the standard part, between the upright post and the side plate and between the connecting parts of the system.

Further, the well lid is still installed at the top of standard portion, the lateral surface symmetry of connecting portion is equipped with the connection interface that is connected with oozing the drainage pipe way.

Further, the base part, the vertical shaft section and the grit chamber are all made of modified pvc materials, and the base part is integrally formed in an injection molding mode.

Furthermore, the seepage and drainage pipeline comprises a plurality of assembled seepage and drainage blind pipes and connecting fasteners which are positioned between any two adjacent assembled seepage and drainage blind pipes and used for connecting the assembled seepage and drainage blind pipes.

Furthermore, any assembled seepage and drainage blind pipe comprises a base, a water collecting pipe arranged on the base, a permeable layer arranged on the outer surface of the water collecting pipe and positioned at the upper part of the base, geotextile wrapped on the outer surface of the permeable layer, and a grid layer arranged on the outer surface of the geotextile; the surface at net layer both ends is provided with the layering, the equipartition is provided with the last skeleton that is used for the support in the permeable stratum, the water collecting pipe upper portion 2/3 part is densely covered and has been seted up the water collecting hole, the water collecting pipe both ends are provided with and prevent that debris from getting into the end cover in the water collecting pipe, the water collecting pipe surface equipartition has thread groove and the thread groove intussuseption is filled with the grid net.

Further, combination fastener is including the cover establish the assembled drainage blind pipe one end surface, the front view is arched fastener body of oozing, the fastener body includes two combination fasteners that set up along the assembled drainage blind pipe axis symmetry, two the inside top and the inside below of combination fastener all are equipped with one end and extend to its inside, be used for connecting the split bolt of two combination fasteners, arbitrary first buckle, the second buckle that drainage blind pipe length direction laid and the angle adjustable subassembly that is located between first buckle and the second buckle are oozed to the assembly including following the assembled.

Further, the adjustable subassembly of angle is including seting up the arch slot at first buckle back, locates the second buckle surface, the front end extends to the inside arch plugboard of arch slot, and the level is located between first buckle and the second buckle, length direction both ends run through respectively in first buckle and the second buckle, be used for connecting the stud adjusting bolt of first buckle and second buckle.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model provides a concept of a fully-assembled underground seepage and drainage system, which consists of an inspection well and a seepage and drainage pipeline, wherein the inspection well and the seepage and drainage pipeline are assembled by adopting modular components, so that the system is simple to construct and install, only common workers are needed for field installation after simple training, all components of the system can be installed and completed by using common tools, the installation efficiency is high, the defects of difficult material management, high construction cost and uncontrollable construction quality in the traditional construction field are overcome, and the system also adapts to the current trend of engineering modularization integration.

(2) The fully-assembled underground seepage and drainage system thoroughly cancels all on-site concrete operation, thereby completely avoiding the pollution of cement paste to a seepage and drainage blind pipe caused by the concrete operation, ensuring the water permeability coefficient and further ensuring that the drainage quantity is not reduced.

(3) The utility model greatly improves the bearing capacity of the joint because the assembled seepage and drainage blind pipes are connected by the connecting fasteners, avoids the defect of weak bearing capacity of the joint, greatly improves the vertical bearing capacity of the whole system, and through the arrangement of the combined fasteners, a user can rotate the double-end adjusting bolt according to the curvature of the blind ditch circuit to adjust the combined fasteners, so that the combined fasteners close to the curved convex side of the blind ditch are expanded, and the combined fasteners close to the curved concave side of the blind ditch are contracted, so that the fastener body can be synchronously bent at a certain angle according to the blind ditch circuit, thereby the combined fasteners have higher practicability and use efficiency, and simultaneously compared with the traditional concrete pouring and wrapping construction of the blind ditch joints, the construction is convenient, the installation is quick and convenient, the adjustment is easy, and the blind ditch joints are wrapped and supported by the fastener body made of high-density polyvinyl chloride material, the railway track has the advantages of long service life, high bearing capacity, no maintenance, low cost, no increase of railway construction investment cost and the like.

(4) The utility model relates to a fully-assembled underground seepage and drainage system which is skillfully provided with an assembled inspection well, wherein the assembled inspection well comprises a base part and a vertical shaft section, the vertical shaft section comprises a connecting part and a standard part which are sequentially connected from bottom to top, the connecting part and the standard part have the same structure and are manufactured in a modular design, and the connecting part and the standard part are assembled in a socket joint mode, so that a user can arbitrarily increase the number of sections of the standard part according to the actual depth requirement and assemble and connect the standard part, thereby changing the depth of the inspection well to meet the requirements of different depths, having wide application range, being convenient to construct and install on site, greatly shortening the construction period and reducing the cost.

(5) The assembled inspection well is ingeniously provided with the clamping groove, the clamping block and the hand plate lock catch, so that when a user installs the inspection well, all parts of the inspection well can be quickly spliced through matching of the assembled inspection well without other special tools, the structural connection strength of the inspection well is ensured while the inspection well is convenient to install and assemble, meanwhile, the whole inspection well is made of modified PVC materials, and the bottom of the inspection well is integrally injection-molded, so that the lateral rigidity and the vertical load of the inspection well are greatly improved, and the requirement of large burial depth can be met.

(6) The assembled inspection well adopted by the utility model is skillfully provided with the sealing rings between the base part and the vertical shaft section, between the connecting part and the standard part, between the upright post and the side plate and between the connecting parts of the system (including but not limited to between the upright post and the upright post, between the side plate and between the bolt and the jack), so that the sealing performance of the whole inspection well can be ensured through the arrangement of the sealing rings, and the use effect of the whole seepage and drainage system is better.

(7) The assembled inspection well is characterized in that a sand basin is arranged in the base part, and the sand basin can move up and down along the height direction of the inspection well, so that sundry silt in the inspection well can be collected through the sand basin, the cleaning work of the silt (silt) at the bottom of the inspection well is greatly facilitated, and the assembled inspection well only needs to be lifted out of the sand basin regularly by a user, eliminates the silt (silt) outside the inspection well, is washed clean and is put into the bottom of the inspection well again, so that the operation personnel do not need to go into the bottom of the inspection well for operation, the labor intensity of the operation personnel is reduced, the accidental injury risk of the operation personnel is protected, and the working efficiency is improved.

(8) The assembled inspection well has larger space in the well, is convenient for operators to perform underground operation construction, and greatly reduces the underground operation difficulty.

(9) The fully-assembled underground seepage and drainage system is prefabricated in a factory and assembled on site, reduces the site installation cost, overcomes a plurality of problems of the traditional seepage and drainage system, has the advantages of convenient and quick installation, stable product quality, strong environmental protection and durability, can meet the relevant technical requirements of roadbed underground drainage facilities, is simple, quick and economic compared with the traditional measures, has high reliability, can be used for underground drainage of railway roadbeds and underground drainage of highway roadbeds or building foundations, and has huge market scale and wide popularization and application prospect.

Drawings

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

FIG. 2 is a schematic view of a fabricated manhole structure according to the present invention;

FIG. 3 is a schematic structural diagram of a fabricated manhole according to the present invention;

FIG. 4 is a schematic top view of the connecting portion of the present invention;

FIG. 5 is a cross-sectional view of the base unit of the present invention;

FIG. 6 is a schematic view of the structure of the column of the present invention;

FIG. 7 is a schematic view of the connecting portion between the side plate and the pillar according to the present invention;

FIG. 8 is a schematic sectional view showing the structure of the grit chamber according to the present invention;

FIG. 9 is a schematic structural view of an assembled drainage blind pipe of the present invention;

FIG. 10 is a schematic view of the end structure of the fabricated seepage and drainage blind pipe of the present invention;

FIG. 11 is a schematic view of the connecting fastener of the present invention;

FIG. 12 is a side view of the fastening device of the present invention;

FIG. 13 is a schematic view of the connecting fastener of the present invention in an A-A direction (an angle bending state).

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1. an assembled inspection well; 10. a base part; 100. a jack; 2. a shaft section; 20. a connecting portion; 21. a standard portion; 22. a well cover; 23. connecting an interface; 200. a column; 201. a side plate; 202. a card slot; 203. a clamping block; 204. locking the hand plate; 205. a bolt; 206. inserting holes; 3. a grit chamber; 4. a water seepage and drainage pipeline; 40. an assembled seepage and drainage blind pipe; 400. a base; 401. a water collection pipe; 402. an end cap; 403. a water permeable layer; 404. geotextile; 405. a mesh layer; 406. layering; 407. mounting a framework; 408. a water collection hole; 409. a thread groove; 41. connecting fasteners; 411. a combined fastener; 412. oppositely pulling the bolts; 413. a first buckle plate; 414. a second buckle plate; 415. an angle adjustable component; 4150. an arched slot; 4151. an arched plugboard; 4152. stud adjusting bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

As shown in fig. 1 to 13, the present embodiment provides a fully assembled underground infiltration and drainage system, which comprises an assembled inspection well 1 and an infiltration and drainage pipeline 4 connected with the assembled inspection well 1, and is characterized in that the assembled inspection well 1 comprises a base part 10 with an open top and a downward concave bottom to form a "u" shape, a shaft section 2 installed above the base part 10, and a grit chamber 3 located in the base part 10 and capable of moving up and down along the height direction of the inspection well, wherein the grit chamber 3 can collect debris and sludge in the inspection well and facilitate subsequent operators to perform desilting work in the inspection well, the grit chamber 3 is a rectangular box-shaped structure with an open top, and hooks are arranged around the inside of the grit chamber 3; the vertical shaft section 2 comprises a connecting part 20 and a standard part 21 which are sequentially connected in a socket manner from bottom to top, the standard part 21 is connected with the connecting part 20 in the socket manner, so that a user can conveniently and arbitrarily increase the socket joint number of the standard part 21 according to the actual burial depth to increase the depth of the vertical shaft section 2, so as to meet the requirement of inspecting the depth of the well, the bottom of the connecting part 20 is connected with the top of the base part 10, the jacks 100 are arranged at the positions corresponding to the upright posts 200 one by one on the periphery of the top of the base part 10, the bottom ends of the upright posts 200 are matched with the jacks 100 through bolts 205, so that a user can conveniently insert the upright posts 200 into the jacks 100 through the bolts 205 at the bottom ends, so that the connecting portion 20 and the base portion 10 can be installed and connected by the user through the engagement of the latch 205 and the socket 100, the connecting portion 20 and the standard portion 21 have the same structure, which is convenient for the user to assemble the connecting portion 20 and the standard portion 21.

The connecting part 20 comprises a plurality of upright posts 200 which are vertically arranged around the top of the base part 10, the bottom ends of which are connected with bolts 205 and the top ends of which are provided with inserting holes 206, and a side plate 201 which is positioned between any two upright posts, is connected with the upright posts 200 and forms a square shape; a clamping groove 202 matched with the side plate 201 in size is formed in the connecting part of any upright post 200 and the side plate 201, clamping blocks 203 protruding outwards are arranged on the outer walls of the two sides of the opening of the clamping groove 202, and a hand plate lock catch 204 matched with the clamping blocks 203 in a clamping manner is further arranged at the connecting part of any side plate 201 and the clamping groove 202; therefore, when a user assembles the standard part 21 of the connecting part 20, the user can firstly insert the four side plates 201 into the corresponding slots 202 of the four upright posts 200, respectively, and lock the hand plate lock catches 204 and the lock catches 203, so as to fix the side plates 201 and the upright posts 200, thereby completing the assembly of the standard part 21 of the connecting part 20.

Sealing rings are arranged between the base part 10 and the vertical shaft section 2, between the connecting part 20 and the standard part 21, between the upright post 200 and the side plate 201, and between connecting parts of the system (including but not limited to between the upright post and the upright post, between the side plate and the side plate, and between the plug pin and the jack/plug hole), and the sealing rings can ensure the sealing performance of the assembly type inspection well 1 after the assembly of the assembly type inspection well 1 is completed, so that the sealing performance is good.

Specifically, as shown in fig. 2 and fig. 3, a well lid 22 is further installed on the top of the standard portion 21, the well lid 22 is formed by one-time injection molding in an embedded external waterproof manner and is used for daily sealing of the fabricated inspection well 1 and preventing rainwater and sundries from falling into the well, the outer side surface of the connecting portion 2 is symmetrically provided with a connecting interface 23 connected with the water seepage and drainage pipeline 4, and the connecting interface 23 is helpful for a user to install and connect the water seepage and drainage pipeline 4 with the fabricated inspection well 1.

Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the base part 10, the shaft section 2 and the grit chamber 3 are all made of a polymer modified pvc material, and the base part 10 is integrally injection-molded, which is helpful for improving the strength of each component of the fabricated manhole 1, and the integral injection-molded can greatly improve the rigidity thereof, so that the vertical load thereof is greatly improved.

Particularly, as shown in fig. 9 and 10, the seepage and drainage pipeline 4 comprises a plurality of assembled seepage and drainage blind pipes 40 and connecting fasteners 41 which are positioned between any two adjacent assembled seepage and drainage blind pipes 40 and used for connecting the seepage and drainage blind pipes, the connecting fasteners 41 are adopted for connection, the bearing capacity of the joint of the assembled seepage and drainage blind pipes 40 is greatly improved, the defect that the bearing capacity of the joint is weak is avoided, the vertical bearing capacity of the whole system is greatly improved, and meanwhile, compared with the traditional blind ditch joint concrete pouring and wrapping construction, the seepage and drainage blind pipe joint concrete pouring and wrapping construction method is convenient and fast to construct, quick and convenient to install and easy to adjust.

Specifically, as shown in fig. 9 and 10, any one of the fabricated seepage and drainage blind pipes 40 comprises a base 400, a water collecting pipe 401 arranged on the base, a water permeable layer 403 arranged on the outer surface of the water collecting pipe and positioned on the upper part of the base, a geotextile 404 wrapped on the outer surface of the water permeable layer, and a mesh layer 405 arranged on the outer surface of the geotextile; the outer surfaces of two ends of the grid layer 405 are provided with press strips 406, the inner of the permeable layer is uniformly provided with an upper framework 407 for supporting, the upper part 2/3 of the water collecting pipe 401 is densely provided with water collecting holes 408, two ends of the water collecting pipe 401 are provided with end covers 402 which prevent sundries from entering the water collecting pipe, threaded grooves 409 are uniformly distributed on the outer surface of the water collecting pipe 401, a grid net is filled in the threaded grooves, the assembled seepage and drainage blind pipe 40 reduces the on-site installation cost, overcomes the problems of the traditional blind ditch, has convenient and rapid installation, stable product quality, strong environmental protection and durability, can meet the relevant technical requirements of subgrade underground drainage facilities, is simple, rapid and economical compared with the traditional measures, the drainage device has high reliability, can be used for underground drainage of railway subgrades, highway subgrades or building foundations, and has huge market scale and wide popularization and application prospect.

Specifically, as shown in fig. 11, 12 and 13, the connecting fastener 41 includes a fastener body which is sleeved on an outer surface of one end of the assembled water seepage and drainage blind pipe 40 and has an arched front view, the fastener body includes two combined fasteners 411 which are symmetrically arranged along a central axis of the assembled water seepage and drainage blind pipe 40, a tie bolt 412 which has one end extending to the inside of each of the two combined fasteners 411 and is used for connecting the two combined fasteners 411 is arranged above and below the inside of each of the two combined fasteners 411, each combined fastener 411 includes a first fastening plate 413 and a second fastening plate 414 which are arranged along a length direction of the assembled water seepage and drainage blind pipe 40, and an angle adjustable component 415 which is positioned between the first fastening plate 413 and the second fastening plate 414, the angle adjustable component 415 includes an arched slot 4150 which is arranged at a back of the first fastening plate 413, an arched insertion plate 4151 which is arranged on a surface of the second fastening plate 414 and has a front end extending to the inside of the arched slot 4150, a double-headed adjusting bolt 4152 horizontally arranged between the first buckle plate 413 and the second buckle plate 414, wherein two ends in the length direction respectively penetrate into the first buckle plate 413 and the second buckle plate 414 and are used for connecting the first buckle plate and the second buckle plate, the combined buckle 411 is adjusted by a user according to the curvature of the blind drain seepage and drainage line, so that the buckle body can synchronously bend at a certain angle according to the blind drain seepage and drainage line, the practicability and the use effect of the combined buckle are better, and when the angle is adjusted, the user can rotate the double-headed adjusting bolt 4152 to adjust the combined buckle 411, so that the combined buckle 411 close to the curved convex side of the assembled seepage and drainage blind pipe 40 is opened, and the combined buckle 411 close to the curved concave side of the assembled seepage and drainage blind pipe 40 is contracted, so that the buckle 41 can synchronously bend at a certain angle according to the seepage and drainage blind line, therefore, the assembled seepage and drainage blind pipe 40 can be laid by a user more conveniently, and the assembled seepage and drainage blind pipe is convenient to install due to the adoption of a combined structure; the quality is reliable and controllable when the device is manufactured in a factory; the left and right can be adjusted, and the curve change of the railway small-curvature line is completely adapted; the assembly type joint avoids concrete operation and thoroughly solves the problem of pollution and blockage of cement mortar to the drainage blind ditch.

In addition, the fully-assembled underground seepage and drainage system is characterized in that an assembled inspection well is added on the basis of the existing assembled underground seepage and drainage blind ditch which are mutually independent and an assembled cement drainage blind ditch joint combined fastener of the company, so that an underground seepage and drainage complete system comprising an assembled seepage and drainage blind pipe, an assembled inspection well, a connecting fastener and an end cover is formed, all the components are made of high-molecular modified PVC materials, the structural strength of the whole system can be greatly improved, the construction requirement is met, the service life is long, and the maintenance is avoided.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, and all the technical problems solved by the present invention should be consistent with the present invention, if they are not substantially modified or retouched in the spirit and concept of the present invention.

Claims (7)

1. A fully assembled underground seepage and drainage system comprises an assembled inspection well (1) and a seepage and drainage pipeline (4) connected with the assembled inspection well (1), and is characterized in that the assembled inspection well (1) comprises a pedestal part (10) with an open top and a downward concave bottom to form a U shape, a vertical well section (2) arranged above the pedestal part (10), and a grit chamber (3) which is positioned in the pedestal part (10) and can move up and down along the height direction of the inspection well, wherein the grit chamber (3) is of a rectangular box-shaped structure with an open top, and hooks are arranged around the inside of the grit chamber (3); the vertical shaft section (2) comprises a connecting part (20) and a standard part (21) which are sequentially connected in a socket mode from bottom to top, the bottom of the connecting part (20) is connected with the top of the base part (10), and the connecting part (20) and the standard part (21) are identical in structure;

the connecting part (20) comprises a plurality of upright posts (200) which are vertically arranged on the periphery of the top of the base part (10), the bottom ends of the upright posts are connected with bolts (205), and the top ends of the upright posts are provided with inserting holes (206), and a side plate (201) which is positioned between any two upright posts, is connected with the upright posts (200) and forms a square shape; a clamping groove (202) matched with the side plate (201) in size is formed in the connecting part of any upright post (200) and the side plate (201), clamping blocks (203) protruding outwards are arranged on the outer walls of the two sides of the opening of the clamping groove (202), and a hand plate lock catch (204) matched with the clamping blocks (203) in a clamping manner is further arranged at the connecting part of any side plate (201) and the clamping groove (202);

jacks (100) are formed in the positions, corresponding to the upright columns (200), on the periphery of the top of the base part (10) one by one, and the bottom ends of the upright columns (200) are matched with the jacks (100) through bolts (205);

and sealing rings are arranged between the base part (10) and the vertical shaft section (2), between the connecting part (20) and the standard part (21) and between the upright post (200) and the side plate (201).

2. A fully assembled underground seepage drainage system according to claim 1, characterized in that the top of the standard part (21) is further provided with a well cover (22), and the outer side surface of the connecting part (20) is symmetrically provided with a connecting interface (23) connected with the seepage drainage pipeline (4).

3. A fully assembled subsurface drainage system according to claim 1, wherein the base part (10), the shaft section (2) and the grit chamber (3) are all made of modified pvc material and the base part (10) is injection molded in one piece.

4. A fully assembled underground infiltration and drainage system according to claim 1, characterized in that the infiltration and drainage pipeline (4) comprises a plurality of assembled infiltration and drainage blind pipes (40) and a connecting fastener (41) which is arranged between any two adjacent assembled infiltration and drainage blind pipes (40) and is used for connecting the assembled infiltration and drainage blind pipes.

5. A fully assembled underground seepage and drainage system as claimed in claim 4, wherein any assembled seepage and drainage blind pipe (40) comprises a base (400), a water collecting pipe (401) arranged on the base, a water permeable layer (403) arranged on the outer surface of the water collecting pipe and positioned on the upper part of the base, a geotextile (404) wrapped on the outer surface of the water permeable layer, and a mesh layer (405) arranged on the outer surface of the geotextile; the surface at net layer (405) both ends is provided with layering (406), the equipartition is provided with last skeleton (407) that is used for the support in the permeable layer, collecting pipe (401) upper portion 2/3 part is densely covered and has been seted up water collecting hole (408), collecting pipe (401) both ends are provided with prevents that debris from getting into end cover (102) in the collecting pipe, collecting pipe (401) surface equipartition has thread groove (409) and the thread groove intussuseption is filled with the grid net.

6. The fully assembled underground seepage and drainage system according to claim 4, wherein the connecting fastener (41) comprises a fastener body which is sleeved on the outer surface of one end of the assembled seepage and drainage blind pipe (40) and is arched in front view, the fastener body comprises two combined fasteners (411) which are symmetrically arranged along the central axis of the assembled seepage and drainage blind pipe (40), two split bolts (412) which are arranged above and below the inside of the combined fasteners (411) and are used for connecting the two combined fasteners (411) are respectively provided with one end extending to the inside of the combined fasteners, and any one of the combined fasteners (411) comprises a first buckle plate (413) and a second buckle plate (414) which are arranged along the length direction of the assembled seepage and drainage blind pipe (40), and an angle adjustable component (415) which is positioned between the first buckle plate (413) and the second buckle plate (414).

7. The fully-assembled underground seepage drainage system according to claim 6, wherein the angle-adjustable assembly (415) comprises an arched slot (4150) formed in the back of the first buckle plate (413), an arched insertion plate (4151) arranged on the surface of the second buckle plate (414) and with the front end extending into the arched slot (4150), and a double-headed adjusting bolt (4152) horizontally arranged between the first buckle plate (413) and the second buckle plate (414) and with both ends in the length direction respectively penetrating into the first buckle plate (413) and the second buckle plate (414) and used for connecting the first buckle plate and the second buckle plate.

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