CN212835642U

CN212835642U - Grass planting ditch structure

Info

Publication number: CN212835642U
Application number: CN202021426031.0U
Authority: CN
Inventors: 姜鑫; 孙芹; 黄丹; 沈倩宇; 朱培茹; 邵钰
Original assignee: Jiangsu Yuanhan Architectural Design Co ltd
Current assignee: Jiangsu Yuanhan Architectural Design Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-03-30
Anticipated expiration: 2030-07-18

Abstract

The utility model relates to a grass planting ditch structure belongs to grass planting ditch technical field, and it includes from last vegetable layer that sets gradually extremely down, plant soil layer and plain soil tamp layer, is provided with the filter layer between planting soil layer and the plain soil tamp layer, is provided with a plurality of rainwater collecting pipes between filter layer and the plain soil tamp layer, and a plurality of overflow holes have been seted up to one side that every rainwater collecting pipe is close to the vegetable layer, and the bottom of filter layer is located to a plurality of rainwater collecting pipe rows, a plurality of rainwater collecting pipe intercommunication rainwater collecting pit. When the rainfall is small, the rainwater can be easily absorbed by the planting soil layer and then supplied to the vegetation layer. When the rainfall is large, the planting soil layer absorbs the rainwater and reaches the saturation, and the rainwater descends through the filter layer and enters the rainwater collecting pipe through the overflow hole. The rainwater enters into the rainwater collecting tank through the rainwater collecting pipe to be stored, so that the rainwater can be collected through the rainwater collecting tank, and the rainwater can be reduced and accumulated on the surface of the grass planting ditch.

Description

Grass planting ditch structure

Technical Field

The application relates to a grass planting ditch technical field especially relates to a grass planting ditch structure.

Background

Under the background of rapid development of cities in China, the problems of water resource shortage, water pollution and waterlogging faced by city construction are increasingly prominent. The grass planting ditches are an important component part of the surface source control in the sponge cities, are important means for controlling the total annual runoff quantity and the surface source pollution, and widely appear in the construction of the sponge cities in various cities. The grass planting ditch can be arranged in a green belt of a road system, initial rainwater on the road surface is gathered into the green belt, the grass planting ditch can fully play the roles of purifying water quality and regulating water quantity, and urban waterlogging is relieved.

At present, sponge cities and grass planting ditches receive more and more attention in China, and in the related technology, the grass planting ditches are generally simple concave grooves, play a certain role in water storage or transportation through rainwater infiltration, but have extremely limited capacity of regulating and controlling water volume, and are easy to cause water accumulation under the condition of long-term rainfall or rainstorm.

SUMMERY OF THE UTILITY MODEL

In order to solve when meetting the torrential rain, the problem of ponding appears in the grass planting ditch, this application provides a grass planting ditch structure.

The application provides a grass planting ditch structure adopts following technical scheme:

the utility model provides a grass planting ditch structure, includes from last vegetable layer, planting soil layer and the plain soil tamped layer that sets gradually extremely down, it is provided with the filter layer to plant between soil layer and the plain soil tamped layer, be provided with a plurality of rainwater collecting pipes between filter layer and the plain soil tamped layer, every the rainwater collecting pipe is close to one side of vegetable layer and has seted up a plurality of overflow holes, and is a plurality of rainwater collecting pipe row is located the bottom of filter layer, it is a plurality of rainwater collecting pipe intercommunication rainwater collecting pit.

Through adopting above-mentioned technical scheme, in the rainfall, when rainfall is little, the rainwater will be absorbed by planting soil layer easily, then supply with for the vegetable layer. When the rainfall is large, the planting soil layer absorbs the rainwater to reach saturation, and the rainwater descends through the filter layer and enters the rainwater collecting pipe through the overflow hole. The rainwater enters into the rainwater collecting tank through the rainwater collecting pipe and is stored, on one hand, the rainwater can be collected through the rainwater collecting tank, and on the other hand, the rainwater can be reduced and accumulated on the surface of the grass planting ditch.

Preferably, the filter layer includes coarse sand layer and garrulous sand layer, the coarse sand layer is close to the planting soil layer setting, garrulous sand layer is located the one side that the planting soil layer was kept away from to the coarse sand layer, the one side that the coarse sand layer was kept away from to garrulous sand layer is provided with the tight grid layer that permeates water, the rainwater collecting pipe is located the one side that the tight grid layer that permeates water kept away from garrulous sand layer.

Through adopting above-mentioned technical scheme, the rainwater filters the rainwater through the coarse sand layer from planting the soil layer infiltration coarse sand layer, filters great impurity or stone in the rainwater. The rainwater after being filtered by the coarse sand layer is further filtered by the sand crushing layer, and the filtered rainwater flows into the rainwater collecting pipe through the overflow hole. The setting on the tight grid layer that permeates water can support the grit layer, makes the grit in the grit layer be difficult to drop to in the rainwater collecting pipe.

Preferably, the water-permeable dense grid layer comprises a plurality of cross rods and longitudinal rods which are staggered with each other, and the gap between every two adjacent cross rods is 1 mm to 1.5 mm.

Through adopting above-mentioned technical scheme, can make the garrulous sand in the garrulous sand bed be difficult to drop to in the rainwater collection pipe.

Preferably, the planting soil layer is internally doped with gravel.

Through adopting above-mentioned technical scheme, the setting of gravel carries out the compaction through the gravel to earth on the one hand, makes the earth on the grass planting ditch slope be difficult to by the low-lying department of rainwater erosion to the grass planting ditch to inside earth was stretched into through the root of green planting, fixed earth, further reduced soil erosion and water loss. On the other hand, the gravel is arranged to play a role in ventilation, so that the root of the green plant is not easy to rot.

Preferably, pebbles are paved on one surface of the vegetation layer, which is far away from the planting soil layer.

Through adopting above-mentioned technical scheme, can be convenient for breathe freely, help green planting release oxygen to absorb carbon dioxide.

Preferably, it is a plurality of the rainwater collecting pipe sets up towards the one side slope of rainwater collecting pit, be provided with the sediment stuff pump in the rainwater collecting pit, the exit linkage of sediment stuff pump has row thick liquid house steward, it stretches out to arrange thick liquid house steward in the rainwater collecting pit, the access connection of sediment stuff pump has a plurality of row thick liquid to be in charge of.

Through adopting above-mentioned technical scheme, after rainwater collecting pit used for a long time, the bottom of rainwater collecting pit will produce the accumulational phenomenon of silt. The setting of sediment stuff pump can be convenient for clear up the inside silt of rainwater collecting pit. Set up a plurality of row's thick liquid and divide the pipe, can be convenient for with the cleaner effect of the silt clearance of rainwater collecting pit bottom.

Preferably, the inside drain pipe that is provided with of rainwater collecting pit, the drain pipe stretches into the one end of rainwater collecting pit bottom is provided with the immersible pump, the immersible pump surrounds and is provided with filtering component, the one end that the immersible pump was kept away from to the drain pipe is provided with the shower nozzle.

Through adopting above-mentioned technical scheme, when needs are watered green planting, with the inside water discharge of rainwater collecting pit can to not only can reduce the phenomenon of ponding when raining, can also resources are saved.

Preferably, the filter assembly includes that first filtration frame is located with the cover first filtration frame peripheral second filters the frame, first filtration frame and second filter between the frame and first filtration frame in the bottom surface all be provided with the cobblestone filter material, the immersible pump set up in first filtration frame in on the cobblestone filter material of bottom surface.

Through adopting above-mentioned technical scheme, the setting of cobblestone filter material filters the water that the immersible pump was taken out to can make the more clean of water that the immersible pump was taken out. The setting of frame is filtered to first filtration frame and second, on the one hand, can play the effect of fixed cobblestone filter material, and on the other hand can filter the water that the immersible pump was taken out.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rainwater collecting pipe, the overflow hole and the rainwater collecting pool are arranged, so that the effect of reducing the water accumulation phenomenon of the grass planting ditch can be achieved;

2. through the arrangement of the coarse sand layer, the crushed sand layer and the permeable dense grid layer, rainwater can be filtered, and the effect of reducing the accumulation of impurities in rainwater in the rainwater collecting pipe and the rainwater collecting tank is achieved;

3. through the setting of sediment stuff pump, arrange the thick liquid house steward and arrange the thick liquid branch pipe, can play the effect of being convenient for clear up the inside silt of rainwater collecting pit.

Drawings

FIG. 1 is a schematic view of the overall structure of a grass-planting trench structure in the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a water-permeable dense grid layer in the present application;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure, 1, the vegetation layer; 2. planting a soil layer; 21. gravel; 22. pebbles; 3. a plain soil ramming layer; 4. a filter layer; 41. a coarse sand layer; 42. a crushed sand layer; 43. a water-permeable dense grid layer; 431. a cross bar; 432. a longitudinal bar; 5. a rainwater collecting pipe; 51. an overflow aperture; 6. a rainwater collection tank; 7. a slurry pump; 71. a slurry discharge main pipe; 72. discharging slurry and separating pipes; 8. a submersible pump; 81. a drain pipe; 82. a filter assembly; 821. a first filter frame; 822. a second filter frame; 823. filtering cobblestone; 83. a spray head; 9. and (4) an impermeable geotextile layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses a grass planting ditch structure, refer to fig. 1, include from last to down vegetation layer 1 that sets gradually, plant soil layer 2, filter layer 4, rainwater collecting pipe 5, prevention of seepage geotechnological cloth layer 9 and plain soil tamped layer 3, rainwater collecting pipe 5 arranges and is provided with a plurality of, and the tip intercommunication of a plurality of rainwater collecting pipe 5 is provided with rainwater collecting pit 6. The rainwater descends to the vegetation layer 1 and enters the planting soil layer 2, when the rainwater in the planting soil layer 2 reaches saturation, the rainwater continues to infiltrate downwards to enter the filter layer 4, the rainwater filtered by the filter layer 4 enters the rainwater collecting pipe 5, and the rainwater entering the rainwater collecting pipe 5 flows into the rainwater collecting tank 6. The seepage-proof geotextile layer 9 can be convenient for blocking rainwater, so that the rainwater flows into the rainwater collecting tank 6 for collection.

Referring to fig. 2 and 3, pebbles 22 are paved on one surface of the vegetation layer 1 far away from the planting soil layer 2, and the interior of the planting soil layer 2 is doped with the gravels 21. The filter layer 4 includes from last coarse sand layer 41 and the broken sand layer 42 that sets gradually down, is provided with the tight grid layer 43 of permeating water between broken sand layer 42 and rainwater collecting pipe 5, and the tight grid layer 43 of permeating water includes a plurality of horizontal poles 431 and the vertical pole 432 that stagger each other, and the clearance between per two adjacent horizontal poles 431 is 1 millimeter to 1.5 millimeters, and in this embodiment, the clearance between per two adjacent horizontal poles 431 is 1 millimeter. Can support grit layer 42 through passing through watertight grid layer 43, make the grit in the grit layer 42 be difficult to drop to in the rainwater collecting pipe 5. A plurality of rainwater collecting pipes 5 set up towards the one side slope of rainwater collecting pit 6 to in collecting to rainwater collecting pit 6 better with the rainwater. A plurality of overflow holes 51 are formed in one side, close to the filter layer 4, of each rainwater collecting pipe 5, and rainwater enters the rainwater collecting pipes 5 through the overflow holes 51 after being filtered.

Referring to fig. 2 and 4, a drain pipe 81 is arranged inside the rainwater collecting tank 6, a submersible pump 8 is arranged at one end of the drain pipe 81 extending into the bottom of the rainwater collecting tank 6, the submersible pump 8 surrounds and is provided with a filtering component 82, and a spray head 83 is arranged at one end of the drain pipe 81 extending out of the vegetation layer 1. The filter assembly 82 comprises a second filter frame 822 and a first filter frame 821 penetrating through the second filter frame 822, the first filter frame 821 is arranged in a box, a cobblestone filter material 823 containing quartz components is arranged between the first filter frame 821 and the second filter frame 822, on the inner bottom surface of the first filter frame 821 and on the top of the first filter frame 821, and the submersible pump 8 is arranged on the cobblestone filter material 823 on the inner bottom surface of the first filter frame 821. Be provided with sediment stuff pump 7 in the rainwater collecting pit 6, the exit linkage of sediment stuff pump 7 has row thick liquid house steward 71, arranges thick liquid house steward 71 and stretches out in the rainwater collecting pit 6, and the access connection of sediment stuff pump 7 has a plurality of row thick liquid to be in charge of 72.

The implementation principle of this application embodiment grass planting ditch structure does: when rainfall is small, the vegetation layer 1 and the planting soil layer 2 absorb the rainwater. When the rainfall is large, the planting soil layer 2 absorbs the rainwater to reach saturation, and the rainwater is filtered through the coarse sand layer 41 and the broken sand layer 42 in sequence. Filtered rainwater enters the rainwater collecting pipe 5 through the overflow hole 51, and the rainwater enters the rainwater collecting pool 6 through the rainwater collecting pipe 5 to be stored. When green planting is watered to needs, through 8 drainage with the inside rainwater collecting pool 6 of immersible pump to not only can reduce the phenomenon of grass planting ditch ponding when raining, can also resources are saved. Need regularly clear up the inside silt of rainwater collecting pit 6 through sediment stuff pump 7, reduce silt and pile up in rainwater collecting pit 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grass planting ditch structure, includes from last vegetable layer (1) that sets gradually extremely down, plants soil layer (2) and plain soil tamp layer (3), its characterized in that: plant and be provided with filter layer (4) between soil layer (2) and the plain soil tamped layer (3), be provided with a plurality of rainwater collecting pipe (5) between filter layer (4) and the plain soil tamped layer (3), every a plurality of overflow hole (51) have been seted up to one side that rainwater collecting pipe (5) are close to vegetable layer (1), and are a plurality of rainwater collecting pipe (5) are arranged and are located the bottom of filter layer (4), a plurality of rainwater collecting pipe (5) intercommunication is provided with rainwater collecting pit (6).

2. A grass-planting furrow structure as defined in claim 1, wherein: filter layer (4) include coarse sand layer (41) and garrulous sand layer (42), coarse sand layer (41) are close to and plant soil layer (2) setting, garrulous sand layer (42) are located coarse sand layer (41) and keep away from the one side of planting soil layer (2), the one side that coarse sand layer (41) were kept away from in garrulous sand layer (42) is provided with the tight grid layer (43) of permeating water, rainwater collecting pipe (5) are located the one side of the tight grid layer (43) of permeating water and keeping away from garrulous sand layer (42).

3. A grass-planting furrow structure as defined in claim 2, wherein: the water-permeable and dense grid layer (43) comprises a plurality of cross rods (431) and longitudinal rods (432) which are mutually staggered, and the gap between every two adjacent cross rods (431) is 1-1.5 mm.

4. A grass-planting furrow structure as defined in claim 1, wherein: the planting soil layer (2) is internally doped with gravels (21).

5. A grass-planting furrow structure as defined in claim 4, wherein: pebbles (22) are paved on one surface of the vegetation layer (1) far away from the planting soil layer (2).

6. A grass-planting furrow structure as defined in claim 1, wherein: a plurality of rainwater collecting pipe (5) set up towards the one side slope of rainwater collecting pit (6), be provided with sediment stuff pump (7) in rainwater collecting pit (6), the exit linkage of sediment stuff pump (7) has row thick liquid house steward (71), arrange thick liquid house steward (71) and stretch out rainwater collecting pit (6), the access connection of sediment stuff pump (7) has a plurality of rows thick liquid to be in charge of (72).

7. A grass-planting furrow structure as defined in claim 6, wherein: rainwater collecting tank (6) inside is provided with drain pipe (81), drain pipe (81) stretch into the one end of rainwater collecting tank (6) bottom is provided with immersible pump (8), immersible pump (8) surround and are provided with filtering component (82), the one end that immersible pump (8) were kept away from in drain pipe (81) is provided with shower nozzle (83).

8. A grass-planting furrow structure as defined in claim 7, wherein: the filter assembly (82) includes first filtration frame (821) and the cover is located first filtration frame (821) peripheral second filters frame (822), first filtration frame (821) and second filter frame (822) between and first filtration frame (821) interior bottom surface all are provided with cobblestone filter material (823), immersible pump (8) set up in first filtration frame (821) interior bottom surface cobblestone filter material (823).