CN210529410U

CN210529410U - Drainage road surface

Info

Publication number: CN210529410U
Application number: CN201921088282.XU
Authority: CN
Inventors: 郑晓城
Original assignee: Dongguan Jinjianda Construction Co ltd
Current assignee: Dongguan Jinjianda Construction Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-15
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a drainage road surface, relate to the road construction field, solved and guaranteed under the circumstances that drainage road surface drainage system can promptly be drained when not stifled die and surface ponding is serious, the problem of filtration and purification of ponding in the drainage road surface, it includes central authorities and separates the greenbelt, the worker's cloth layer, the coarse sand layer, a plurality of drain pipe, a plurality of raceway, first filter layer, the second filter layer, a plurality of filter screen and a plurality of grid board, when ponding is less, ponding is discharged from the drain pipe after first filter layer and second filter layer filter, when ponding is serious, ponding can be between through raceway inflow drain pipe after filter screen simple processing, from drain pipe discharge. The utility model discloses have the effect of guaranteeing that drainage road surface drainage system can promptly be drained and can filter ponding and purify when stifled die, surface ponding is serious.

Description

Drainage road surface

Technical Field

The utility model belongs to the technical field of road construction's technique and specifically relates to a drainage road surface is related to.

Background

The purpose of the existing road surface drainage is to set necessary drainage facilities for all levels of roads and urban roads according to the specific conditions of local precipitation and the road surface, properly select the spatial arrangement form and structure of the road surface, discharge the precipitation out of the road surface in time, prevent the accumulated water on the road surface from permeating into the interior of the road surface, even a roadbed, and ensure the driving safety. Water on the high-grade road surface with high driving speed is quickly removed to prevent the road surface from forming a water film to influence driving safety.

The name of the invention creation is a drainage road surface in Chinese patent publication No. CN208379737, publication No. 2019, 1 and 15, and the application discloses an effect of filtering sundries in water to further improve drainage stability.

This drainage road surface can realize the filter effect to ponding through setting up the filter cartridge, and its weak point lies in, and this drainage road surface can only filter great debris such as the leaf stone of aquatic, can't filter or carry out preliminary purification to water to the silt of aquatic, and when road area water was serious, can't make ponding promptly discharge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can carry out filtration purification's drainage road surface with surface gathered water.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a drainage pavement, includes central median drainage system, and central median drainage system includes foundation ditch, first drain pipe, second drain pipe, central afforestation median, the foundation ditch has first recess and second recess respectively in its upper end and both sides of keeping away from the foundation ditch, in first recess, second recess lower extreme are opened on being close to the lateral wall of foundation ditch has first raceway and the second raceway of intercommunication with the foundation ditch, in first recess and second recess lower extreme are filled with the first filter layer that covers first raceway and second raceway respectively, first drain pipe and second drain pipe all transversely arranged in the bottom of foundation ditch, extend to keeping away from the foundation ditch direction by foundation ditch bottom both sides wall respectively.

Through adopting above-mentioned technical scheme, when ponding on the road surface flowed into central authorities separate the area drainage system, ponding flowed into first recess and second recess respectively from the both sides on road surface, and first filter layer can bring rubbish etc. from the road surface with ponding and carry out prefiltering this moment.

The utility model discloses further set up to: and a second filter layer used for filtering silt and purifying water quality is further arranged at the bottom of the foundation pit, and the second filter layer extends to the bottom end of the foundation pit from the lower ends of the first water delivery pipe and the second water delivery pipe.

Through adopting above-mentioned technical scheme, after ponding after first filter layer filters flowed out from first raceway and second raceway, can filter and purify the silt that presss from both sides with ponding aquatic through the second filter layer, prevent that the heavy metal or other pollutants that mix with in the ponding from polluting soil.

The utility model discloses further set up to: and the first drain pipe and the second drain pipe are respectively provided with a first filter screen and a second filter screen at the inlet positions of the side surfaces of the foundation pit.

Through adopting above-mentioned technical scheme, can prevent that the filter material of second filter layer from being washed away from in first drain pipe and the second drain pipe by ponding.

The utility model discloses further set up to: the central separation belt drainage system further comprises a third water delivery pipe and a fourth water delivery pipe which are directly communicated with the first drainage pipe and the second drainage pipe respectively, and water inlets of the third water delivery pipe and the fourth water delivery pipe are arranged on the side walls, away from the foundation pit, of the first groove and the second groove and higher than the upper end face of the first filter layer respectively.

Through adopting above-mentioned technical scheme, when the surface ponding is serious after rainstorm, the ponding surface of water in first recess and the second recess rises behind the water inlet of third raceway or fourth raceway, and ponding can directly flow in first drain pipe and second drain pipe through third raceway or fourth raceway, then directly discharges, alleviates road surface drainage pressure.

The utility model discloses further set up to: and the third water conveying pipe and the fourth water conveying pipe are respectively provided with a third filter screen and a fourth filter screen at the inlet ends of the side walls of the first groove and the second groove.

Through adopting above-mentioned technical scheme, prevent that the rubbish that is washed down by ponding from getting into drainage pipe, make first raceway, second raceway and first drain pipe and second drain pipe can not be by stifled die.

The utility model discloses further set up to: the central authorities afforest the median includes green vegetation, curb, earthwork layer, in the both sides of foundation ditch are built there is the curb, green vegetation is planted on the earthwork layer.

Through adopting above-mentioned technical scheme, the earthwork layer that the curb can guarantee central greenbelt can not be erodeed, has the effect of protection green vegetation.

The utility model discloses further set up to: the soil layer is paved with a coarse sand layer below, a work cloth layer is paved below the coarse sand layer, the work cloth layer extends from the lower ends of the first water pipe and the second water pipe to the upper end of the first water pipe, and the coarse sand layer is filled between the work cloth layer and the soil layer.

Through adopting above-mentioned technical scheme, prevent to bring the silt on the earthwork layer into the second filter layer by the infiltration ponding of central greenbelt and make the second filter layer lose purification performance.

The utility model discloses further set up to: the upper ends of the first groove and the second groove are respectively provided with a first grating plate and a second grating plate, and the first grating plate and the second grating plate are fixedly connected with the ground.

By adopting the technical scheme, the grating plate can prevent larger garbage such as plastic bags on the road surface from entering the first groove or the second groove, and protect the first water delivery pipe, the second water delivery pipe, the third water delivery pipe and the fourth water delivery pipe from being blocked.

To sum up, the utility model discloses a beneficial technological effect does:

1. the accumulated water on the road surface can be filtered, purified and discharged, so that the soil and the environment are protected;

2. when the accumulated water on the road surface is serious, the accumulated water can be directly discharged through the emergency water conveying pipe;

3. large garbage such as plastic bags on the road surface is isolated from the drainage system, and the drainage system is protected from being blocked.

Drawings

Fig. 1 is a sectional view of the present invention.

In the figure, 1, a central dividing belt drainage system; 2. a foundation pit; 3. a first drain pipe; 4. a second drain pipe; 5. a central green dividing strip; 51. green vegetation; 52. a curb; 53. an earthen layer; 6. a first groove; 7. a second groove; 8. a first water delivery pipe; 9. a second water delivery pipe; 10. a first filter layer; 11. a second filter layer; 12. a first filter screen; 13. a second filter screen; 14. a third water delivery pipe; 15. a fourth water delivery pipe; 16. a third filter screen; 17. a fourth filter screen; 18. a coarse sand layer; 19. a fabric layer is manufactured; 20. a first grid plate; 21. a second grid plate.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a can filter ponding and exhaust drainage road surface again after purification treatment, including central authorities ' median drainage system 1, central authorities ' median drainage system 1 includes foundation ditch 2, first drain pipe 3, second drain pipe 4, central authorities ' afforestation median 5. Foundation ditch 2 is opened respectively in its upper end and the both sides of keeping away from foundation ditch 2 first recess 6 and second recess 7, and the upper end of first recess 6 and second recess 7 is equipped with first grid board 20 and second grid board 21 respectively, first grid board 20 and second grid board 21 and ground fixed connection. The side walls of the lower ends of the first groove 6 and the second groove 7, which are close to the foundation pit 2, are provided with a first water delivery pipe 8 and a second water delivery pipe 9 which are communicated with the foundation pit 2, the lower ends of the first groove 6 and the second groove 7 are filled with a first filter layer 10 which respectively covers the first water delivery pipe 8 and the second water delivery pipe 9, and the first filter layer 10 is a cobblestone filling layer with the diameter less than two centimeters. First drain pipe 3 and second drain pipe 4 are all transversely arranged in the bottom of foundation ditch 2, are extended to keeping away from 2 directions in foundation ditch by 2 bottom both sides walls in foundation ditch respectively, first drain pipe 3 and second drain pipe 4 are respectively in the first filter screen 12 and the second filter screen 13 of the entry position fixedly connected with stainless steel material of 2 sides in foundation ditch.

Referring to fig. 1, a second filter layer 11 for filtering silt and purifying water quality is further arranged at the bottom of the foundation pit 2, and the second filter layer 11 is an activated carbon filling layer and extends to the bottom end of the foundation pit 2 from the lower ends of the first water pipe 8 and the second water pipe 9. The central separation belt drainage system 1 further comprises a third water pipe 14 and a fourth water pipe 15 which are directly communicated with the first drainage pipe 3 and the second drainage pipe 4 respectively, and water inlets of the third water pipe 14 and the fourth water pipe 15 are arranged on the side walls, away from the foundation pit 2, of the first groove 6 and the second groove 7 and higher than the upper end face of the first filter layer 10 respectively. The third water delivery pipe 14 and the fourth water delivery pipe 15 are fixedly connected with a third filter screen 16 and a fourth filter screen 17 which are made of stainless steel at the inlet ends of the side walls of the first groove 6 and the second groove 7 respectively.

Referring to fig. 1, the central greening division belt 5 includes green vegetation 51, kerbs 52 and an earth layer 53, the kerbs 52 are built on both sides of the foundation pit 2, and the green vegetation 51 is planted on the earth layer 53. A coarse sand layer 18 is laid below the earthwork layer 53, a work cloth layer 19 is laid below the coarse sand layer 18, the work cloth layer 19 extends from the lower ends of the first water pipe 8 and the second water pipe 9 to the upper end of the first water pipe 8, and the coarse sand layer 18 is filled between the work cloth layer 19 and the earthwork layer 53.

When water accumulates on the road surface, the accumulated water flows into the first groove 6 and the second groove 7 from two sides of the road surface through the first grating plate 20 and the second grating plate respectively, the accumulated water flows into the first water pipe 8 and the second water pipe 9 after being filtered by the first filtering layer 10 on the first groove 6 and the second groove 7, then flows into the second filtering layer 11 formed by activated carbon from the first water pipe 8 and the second water pipe 9 respectively, and finally is discharged from the first water discharge pipe 3 and the second water discharge pipe 4 after being filtered and purified by the second filtering layer 11 respectively, so that the discharged accumulated water is clean and pollution-free, and the soil cannot be polluted or the ecological environment cannot be damaged.

When the surface water accumulation is serious due to rainstorm, in order to relieve the surface water drainage pressure and protect the normal running of vehicles on the surface of the surface, once the water surface of the accumulated water in the first groove 6 or the second groove 7 rises to the position of the pipe orifice of the third water conveying pipe 14 or the fourth water conveying pipe 15, the accumulated water can directly flow into the first water drainage pipe 3 or the second water drainage pipe 4 through the third water conveying pipe 14 and the fourth water conveying pipe 15 to be drained.

The soil layer and the silt of the central greening division belt 5 have the functions of moisturizing and storing water, so that the green vegetation 51 has sufficient water to absorb. When the water content in the central greening division belt 5 is excessive, the water flowing downwards from the central greening division belt 5 firstly flows through the work cloth layer 19, the sediment in the accumulated water flowing downwards is filtered by the work cloth layer 19, then the overflowed water flows into the activated carbon second filtering layer 11, and finally is discharged through the first water discharge pipe 3 and the second water discharge pipe 4.

The implementation principle of the embodiment is as follows: the first filtering layer 10 and the second filtering layer 11 are arranged in the central separation belt drainage system 1 of the drainage road surface to respectively filter and purify accumulated water flowing into the drainage system, so that the discharged water is clean and pollution-free, and the ecological environment is protected.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A drainage pavement comprises a central separation strip drainage system (1), wherein the central separation strip drainage system (1) comprises a foundation pit (2), a first drainage pipe (3), a second drainage pipe (4) and a central greening separation strip (5), and is characterized in that a first groove (6) and a second groove (7) are respectively formed in the upper end of the foundation pit (2) and on two sides far away from the foundation pit (2), a first water conveying pipe (8) and a second water conveying pipe (9) communicated with the foundation pit (2) are formed in the side wall of the lower ends of the first groove (6) and the second groove (7) close to the foundation pit (2), a first filter layer (10) respectively covering the first water conveying pipe (8) and the second water conveying pipe (9) is filled in the lower ends of the first groove (6) and the second groove (7), and the first drainage pipe (3) and the second drainage pipe (4) are transversely arranged at the bottom end of the foundation pit (2), extend from two side walls at the bottom end of the foundation pit (2) to the direction far away from the foundation pit (2) respectively.

2. A drainage pavement according to claim 1, characterized in that a second filter layer (11) for filtering silt and purifying water is further arranged at the bottom of the foundation pit (2), and the second filter layer (11) extends from the lower ends of the first water pipe (8) and the second water pipe (9) to the bottom end of the foundation pit (2).

3. A drainage pavement according to claim 2, characterized in that the first (3) and second (4) drainage pipes are provided with a first (12) and second (13) filter, respectively, at the inlet points at the sides of the foundation pit (2).

4. A drainage pavement according to claim 3, characterized in that the central dividing strip drainage system (1) further comprises a third water duct (14) and a fourth water duct (15) which are directly communicated with the first drainage pipe (3) and the second drainage pipe (4), respectively, and water inlets of the third water duct (14) and the fourth water duct (15) are respectively arranged on the side walls of the first groove (6) and the second groove (7) which are far away from the foundation pit (2) and higher than the upper end surface of the first filter layer (10).

5. A draining pavement according to claim 4, characterized in that the third water duct (14) and the fourth water duct (15) are provided with a third filter screen (16) and a fourth filter screen (17) at the inlet ends of the side walls of the first recess (6) and the second recess (7), respectively.

6. A drainage pavement according to claim 5, characterized in that the central green strip (5) comprises green vegetation (51), kerbs (52) and earthwork (53), the kerbs (52) are laid on both sides of the foundation pit (2), and the green vegetation (51) is planted on the earthwork (53).

7. A drainage pavement according to claim 6, characterized in that a coarse sand layer (18) is laid under the earthwork layer (53), a layer of artificial cloth (19) is laid under the coarse sand layer (18), the artificial cloth layer (19) extends from the lower ends of the first water pipe (8) and the second water pipe (9) to the upper end of the first water pipe (8), and the coarse sand layer (18) is filled between the artificial cloth layer (19) and the earthwork layer (53).

8. A drainage pavement according to claim 1, characterized in that the upper ends of the first (6) and second (7) grooves are respectively provided with a first (20) and a second (21) grid plate, and the first (20) and second (21) grid plates are fixedly connected with the ground.