CN209384060U

CN209384060U - A kind of big flow subgrade drainage structure

Info

Publication number: CN209384060U
Application number: CN201821836427.5U
Authority: CN
Inventors: 唐凯文; 朱杰; 何刘; 朱晓秋; 唐秋霞; 曹志强; 张城; 周小璐; 朱玲; 范清文
Original assignee: Hunan Xinhong Construction Engineering Co Ltd
Current assignee: Hunan Xinhong Construction Engineering Co Ltd
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2019-09-13
Anticipated expiration: 2028-11-08

Abstract

The utility model discloses a kind of big flow subgrade drainage structures, including tube body, the tube body includes inner tube, outer tube and fixed plate, multiple fixed plates are set in parallel in the outer tube, the fixed plate is vertical with the length direction of the outer tube, multiple said inner tubes are inserted into the outer tube and pass through the fixed plate, fine sand is filled between said inner tube and outer tube, winding is equipped with anti-filter geotextiles in said inner tube, rubble is filled in said inner tube, the partial size of the rubble is between 2mm-5mm, said inner tube is equipped with multiple first through hole, the outer tube is equipped with multiple second through-holes.Compared with prior art, the utility model provides a kind of big flow subgrade drainage structure, and multiple inner tubes are arranged in the inside of the outer tube, due to the presence of the fixed plate, multiple inner tubes are spaced from each other, and can effectively ensure that the unimpeded of water route, so that pipeline can satisfy the requirement of big flow.

Description

A kind of big flow subgrade drainage structure

Technical field

The utility model relates to discharge structure, in particular to a kind of big flow subgrade drainage structure.

Background technique

Blind pipe is the device for subgrade drainage, and setting blind pipe is usually required in existing subgrade construction, but existing Some blind pipe flows are smaller, can not expeditiously realize draining, in view of this, the present inventor obtains one by further investigation Kind big flow subgrade drainage structure.

Utility model content

The purpose of the utility model is to provide a kind of big flow subgrade drainage structure, has and can be realized big flow draining The advantages of.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of big flow subgrade drainage structure, including tube body, the tube body include inner tube, outer tube and fixed plate, Duo Gegu Fixed board is set in parallel in the outer tube, and the fixed plate is vertical with the length direction of the outer tube, and multiple said inner tubes are inserted into institute The fixed plate is stated in outer tube and passed through, fine sand is filled between said inner tube and outer tube, winding is equipped with anti-filter soil in said inner tube Work cloth fills rubble in said inner tube, and for the partial size of the rubble between 2mm-5mm, it is logical that said inner tube is equipped with multiple first Hole, the outer tube are equipped with multiple second through-holes.

Further to improve: the percent opening of the first through hole on inner pipe is 20%-30%, and second through-hole is outside Percent opening on pipe is 40%-60%.

It is further to improve: to further include fixed ring, the tube body includes sequentially connected multiple segments, the multiple segment In the junction of every two adjacent sections section surround by a fixed ring, utilize the fixed ring to realize the connection of two adjacent sections section.

Further to improve: the fixed ring has fracture, and the peripheral wall of the fixed ring is equipped with around the recessed of its own Slot, the iron wire around the groove is equipped in the groove, and the inner wall of the fixed ring is equipped with sealing ring.

Further to improve: the groove includes the first groove and the second groove, and first groove and the second groove divide Not Wei Yu the fixed peripheral wall two sides edge, the iron wire include the first iron wire and the second iron wire, first iron wire Around first groove, for second iron wire around second groove, the sealing ring includes the first sealing ring and second Sealing ring, first sealing ring and the second sealing ring are located at the two sides edge of the fixed ring inner wall.

It is further to improve: the middle part surface of the fixed ring inner wall and the flush of the sealing ring.

Compared with prior art, the utility model provides a kind of big flow subgrade drainage structure, in the outer tube Multiple inner tubes are arranged in portion, and due to the presence of the fixed plate, multiple inner tubes are spaced from each other, and can effectively ensure that the smooth of water route It is logical, so that pipeline can satisfy the requirement of big flow.

Detailed description of the invention

Fig. 1 is that the utility model relates to a kind of structural schematic diagrams of big flow subgrade drainage structure.

Fig. 2 is that the utility model relates to a kind of cutting structural schematic diagrams of big flow subgrade drainage structure.

Fig. 3 is that the utility model relates to a kind of structural schematic diagrams of the fixed ring of big flow subgrade drainage structure.

In figure

Inner tube -11；Outer tube -12；Fixed plate -13；

Fixed ring -2；Fracture -21；First groove -22；

Second groove -23；First iron wire -24；Second iron wire -25；

First sealing ring -26；Second sealing ring -27.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

As shown in Figure 1 to Figure 3, a kind of big flow subgrade drainage structure, including tube body, the tube body includes inner tube 11, outer Pipe 12 and fixed plate 13, multiple fixed plates 13 are set in the outer tube 12 in parallel, the length of the fixed plate 13 and the outer tube 12 It is vertical to spend direction, multiple said inner tubes 11 are inserted into the outer tube 12 and pass through the fixed plate 13, said inner tube 11 and outer tube Fine sand is filled between 12, winding is equipped with anti-filter geotextiles in said inner tube 11, rubble is filled in said inner tube 11, the rubble For partial size between 2mm-5mm, said inner tube 11 is equipped with multiple first through hole, and the outer tube 12 is equipped with multiple second through-holes.

When assembling a kind of big flow subgrade drainage structure, said inner tube 11 can first be made to pass through the fixed plate 13, then the assembly of inner tube 11 and fixed plate 13 is inserted into the outer tube 12.

The fine sand can be realized good filtration, while also have excellent water penetration, and the metalling can Enable water flow quickly through multiple inner tubes are arranged in the inside of the outer tube 12 in a kind of big flow subgrade drainage structure 11, due to the presence of the fixed plate 13, multiple inner tubes 11 are spaced from each other, and can effectively ensure that the unimpeded of water route, so that pipe Road can satisfy the requirement of big flow.

Further, percent opening of the first through hole in inner tube 11 is 20%-30%, and second through-hole is in outer tube 12 On percent opening be 40%-60%.

It further, further include fixed ring 2, the tube body includes sequentially connected multiple segments, every in the multiple segment The junction of two adjacent sections section is surround by a fixed ring 2, and the connection of two adjacent sections section is realized using the fixed ring 2.

Further, the fixed ring 2 has fracture 21, and the fixed ring 2 is interrupted at the fracture 21, the fixed ring 2 peripheral wall is equipped with the groove around its own, and the iron wire around the groove is equipped in the groove, the fixed ring 2 Inner wall is equipped with sealing ring, when connecting two segments, with the fixed ring 2 around the junction of two segments, then utilizes The iron wire is constantly wound, so that iron wire encloses around the groove after being made the both ends connection of iron wire using bottle opener or other tools Circle around formation is gradually reduced, and generates pressure to the fixed ring 2 in the process, so that the fracture 21 is gradually reduced, Gu Ring 2 is determined pressure is generated to the junction of two segments to realize being fastenedly connected for two stages, when the fracture 21 is contracted to disappear When, complete the installation of fixed ring 2.

Further, the groove includes the first groove 22 and the second groove 23, first groove 22 and the second groove 23 It is located at the two sides edge of 2 peripheral wall of fixed ring, the iron wire includes the first iron wire 24 and the second iron wire 25, and described the One iron wire 24 is around first groove 22, and for second iron wire 25 around second groove 23, the sealing ring includes the One sealing ring 26 and the second sealing ring 27, first sealing ring 26 and the second sealing ring 27 are located in the fixed ring 2 The two sides edge of wall.Under this structure setting state, first iron wire 24 and the second iron wire 25 are respectively to the side of fixed ring 2 Edge applied force in portion enables first sealing ring 26 and the second sealing ring 27 to be close to the side wall of tube body, realizes good Sealing effect.

Further, the flush of the middle part surface of 2 inner wall of fixed ring and the sealing ring, the middle part of fixed ring 2 For hard portions, can the junction to two segments carry out correction alignment, be conducive to the stability of lift structure entirety.

The above-mentioned description to embodiment is to understand convenient for those skilled in the art and using originally practical new Type, person skilled in the art obviously easily can make various modifications to embodiment, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to the above embodiments, Those skilled in the art's announcement according to the present utility model, does not depart from improvement that the utility model scope is made and modification is all answered This is within the protection scope of the utility model.

Claims

1. a kind of big flow subgrade drainage structure, it is characterised in that: including tube body, the tube body includes inner tube, outer tube and fixation Plate, multiple fixed plates are set in parallel in the outer tube, and the fixed plate is vertical with the length direction of the outer tube, multiple described interior Pipe is inserted into the outer tube and passes through the fixed plate, and fine sand is filled between said inner tube and outer tube, winds and sets in said inner tube There are anti-filter geotextiles, rubble is filled in said inner tube, between 2mm-5mm, said inner tube is equipped with more the partial size of the rubble A first through hole, the outer tube are equipped with multiple second through-holes.

2. a kind of big flow subgrade drainage structure according to claim 1, it is characterised in that: the first through hole is on inner pipe Percent opening be 20%-30%, percent opening of second through-hole on outer tube be 40%-60%.

3. a kind of big flow subgrade drainage structure according to claim 1 or claim 2, it is characterised in that: it further include fixed ring, it is described Tube body includes sequentially connected multiple segments, and the junction of every two adjacent sections section is by a fixed ring ring in the multiple segment Around, utilize the fixed ring realize two adjacent sections section connection.

4. a kind of big flow subgrade drainage structure according to claim 3, it is characterised in that: the fixed ring has fracture, The peripheral wall of the fixed ring is equipped with the groove around its own, and the iron wire around the groove is equipped in the groove, described The inner wall of fixed ring is equipped with sealing ring.

5. a kind of big flow subgrade drainage structure according to claim 4, it is characterised in that: the groove includes the first groove With the second groove, first groove and the second groove are located at the two sides edge of the fixed peripheral wall, the iron wire Including the first iron wire and the second iron wire, first iron wire is around first groove, and second iron wire is around described second Groove, the sealing ring include the first sealing ring and the second sealing ring, and first sealing ring and the second sealing ring are located at The two sides edge of the fixed ring inner wall.

6. a kind of big flow subgrade drainage structure according to claim 5, it is characterised in that: the middle part of the fixed ring inner wall The flush on surface and the sealing ring.