CN114351827A

CN114351827A - Gardens are with ecological grass planting ditch

Info

Publication number: CN114351827A
Application number: CN202111678946.XA
Authority: CN
Inventors: 王思文; 马兵; 丁平
Original assignee: Beijing Jingrun Landscaping Engineering Co ltd; Beijing Urban and Rural Construction Group Co Ltd
Current assignee: Beijing Jingrun Landscaping Engineering Co ltd; Beijing Urban and Rural Construction Group Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-15
Anticipated expiration: 2041-12-31
Also published as: CN114351827B

Abstract

The utility model relates to a gardens are with ecological grass planting ditch belongs to the garden engineering field, the bank protection that the slope that includes the slot and be located the slot both sides set up, the inside of slot is supreme from bottom to be set gradually plain soil tamp layer, gravel drainage bed, sand bed, planting soil layer and vegetable layer, the inside of slot still is provided with the drain pipe of a plurality of vertical settings, the top surface of stagnant water layer is surpassed on the top of drain pipe, the bottom and the sand bed of drain pipe are linked together. This application has the effect of overcoming the problem that the grass planting ditch is not enough to the rainwater filtration under the great condition of rainfall.

Description

Gardens are with ecological grass planting ditch

Technical Field

The utility model relates to a garden engineering's field especially relates to an ecological grass planting ditch is used in gardens.

Background

In urban gardens, constructed wetlands or artificial lakes are increasingly constructed, so that people can approach nature at leisure time, and the water replenishing of the constructed wetlands and the artificial lakes is particularly important. The atmospheric rainfall is a natural water replenishing source, but the rainwater directly flows into the wetland or the lake from the ground, and often brings the pollutants on the ground into the wetland or the lake, thereby causing the pollution of the wetland or the lake. The construction of grass-planting furrows can reduce this problem.

The grass planting ditch can collect, convey and discharge runoff rainwater, has a certain rainwater purification effect, and can be used for connecting other single facilities, urban rainwater pipe canal systems and overproof rainwater runoff discharge systems. Meanwhile, the grass in the grass planting ditch can filter the suspended substances at the positions carried by the rainwater.

When the rainwater flows into the grass planting ditch, the rainwater mainly flows on the surface of the grass planting ditch, namely the rainwater is filtered by the grass on the surface of the grass planting ditch. When the rainfall is great, sink into the rainfall volume of planting in the grass ditch and submerge the grass very easily when great for the grass has lost and has carried out filterable effect to the rainwater, and when the long-time quilt of grass submerged in the rainwater, causes the death of grass easily.

Disclosure of Invention

In order to overcome under the great condition of rainfall, the grass planting ditch is to the insufficient problem of rainwater filtration, this application provides an ecological grass planting ditch for gardens.

The application provides a pair of ecological grass planting ditch for gardens adopts following technical scheme:

the utility model provides an ecological grass planting ditch is used in gardens, includes the slot and is located the slope protection that the slope of slot both sides set up, the inside of slot is supreme from bottom to top to be provided with plain soil tamp layer, gravel drainage blanket, sand bed, planting soil layer and vegetable layer in proper order, the inside of slot still is provided with the drain pipe of a plurality of vertical settings, the top surface of stagnant water layer is higher than on the top of drain pipe, the bottom and the sand bed of drain pipe are linked together.

Through adopting above-mentioned technical scheme, when the rainfall is great, the rainwater converges to the inside of slot along the bank protection, when the water level that collects the rainwater of slot inside exceeds the drain pipe, exceeds the orificial water in top of drain pipe then along the inside sand bed of drain pipe flow direction slot, the rainwater enters into the inside back of sand bed, and the rainwater permeates to flow into behind the sand bed and discharges in the gravel drainage layer. After rainwater flows through the sand layer and the gravel drainage layer, the sand layer and the gravel drainage layer can filter the rainwater. Meanwhile, water is guided into the sand layer through the drain pipe, the water level above the stagnant water layer can be accelerated to drop, and therefore the situation that the plants in the vegetation layer are submerged in the water for a long time and die is avoided.

Optionally, a mounting pipe is pre-embedded in the planting soil layer, the top end of the mounting pipe is exposed out of the top end surface of the stagnant water layer, and the drain pipe is detachably connected in the mounting pipe.

Through adopting above-mentioned technical scheme, be convenient for dismantle and install the drain pipe.

Optionally, be provided with first infiltration hole on the pipe wall of installation pipe, first infiltration hole is relative with planting soil layer, the external diameter of drain pipe is less than the hole aperture of installation pipe, be provided with second infiltration hole on the lateral wall of drain pipe, be provided with the elasticity jack catch that stretches out to the pipe wall lateral surface on the drain pipe, the elasticity jack catch is relative with first infiltration hole, the elasticity jack catch can block into in the first infiltration hole, elasticity jack catch card is gone into when first infiltration hole is downthehole, leave the gap between the pore wall in elasticity jack catch and first infiltration hole.

Through adopting above-mentioned technical scheme, when packing into the drain pipe installation intraduct, insert the drain pipe in the hole of installation pipe, when the elasticity jack catch enters into the installation intraduct, the elasticity jack catch is in by the extruded state, when the elasticity jack catch removes to the state relative with first infiltration hole, the elasticity jack catch card is gone into in the first infiltration hole, can fix the inside at the mounting hole with the drain pipe, simultaneously through first infiltration hole and second infiltration hole, can make water permeate the inside of planting the soil layer through the second infiltration hole, carry out the moisturizing for planting the soil layer.

Optionally, the outside of the installation pipe is wrapped with filter cloth.

Through adopting above-mentioned technical scheme, the filter cloth can completely cut off the soil in the planting soil layer, thereby avoids soil to enter into in the first infiltration hole and plugs up first infiltration hole.

Optionally, the outer side surface of the pipe wall of the installation pipe is provided with a fork extending outwards.

Through adopting above-mentioned technical scheme, when burying the installation pipe inside planting the soil layer, the fork thorn can make the stable inside of fixing at planting the soil layer of installation pipe.

Optionally, a cylindrical valve core is arranged inside the drain pipe, the cylindrical valve core is vertically arranged and is connected in the drain pipe in a sliding mode, a floating piece capable of floating on the water surface is arranged at the top end of the cylindrical valve core, the floating piece is located above the top end of the drain pipe, a drain hole communicated with the bottom end surface of the cylindrical valve core is formed in the cylindrical valve core, and a water inlet hole communicated with the drain hole is formed in the top end of the side wall of the cylindrical valve core.

Through adopting above-mentioned technical scheme, when the rainfall is less, the hole of cylinder case decline drain pipe under the effect of gravity is plugged up, reduces the condition that debris entered into the drain pipe inside. When the rainfall is great, when the water level was higher than the float piece, float piece drove the cylinder case and upwards floated, along with the cylinder case upwards floats to make the inlet opening expose from the top mouth of pipe of drain pipe, water then flows into the inside that finally flows into the drain pipe in the wash port along the inlet opening.

Optionally, fixed blocks which are opposite to the drain pipes one by one are embedded in the sand layer, the fixed blocks are located below the opposite drain pipes, and the fixed blocks are connected with the cylindrical valve cores through flexible ropes.

Through adopting above-mentioned technical scheme, the cylinder case can be held to the stay cord, avoids cylinder case to break away from the drain pipe.

Optionally, fabric layers are arranged between the sand layer and the planting soil layer and between the sand layer and the gravel drainage layer.

Through adopting above-mentioned technical scheme, the fabric layer can filter water, filters the large granule impurity that carries in the aquatic, improves the filter effect of water.

Optionally, a toe guard is arranged at the toe of the revetment.

Through adopting above-mentioned technical scheme, the banket can block the soil that slides down from the bank protection, avoids burying the plant in the vegetation layer in the below along the soil that the bank protection slided down.

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

1. when the rainwater amount is large, the rainwater converges to the inside of the groove along the protection slope, when the water level of the rainwater converged in the groove is higher than the drain pipe, the water higher than the pipe orifice at the top end of the drain pipe flows to the sand layer in the groove along the drain pipe, and after the rainwater enters the sand layer, the rainwater permeates the sand layer and flows into the gravel drain layer to be discharged; after rainwater flows through the sand layer and the gravel drainage layer, the sand layer and the gravel drainage layer can filter the rainwater;

2. water is guided into the sand layer through the drain pipe, so that the water level above the stagnant water layer can be accelerated to fall, and the plants in the vegetation layer are not easy to submerge in the water for a long time and die;

3. when the rainfall is small, the inner hole of the drain pipe is blocked when the cylindrical valve core is lowered under the action of gravity, so that the condition that sundries enter the inside of the drain pipe is reduced; when the rainfall is great, when the water level was higher than the float piece, float piece drove the cylinder case and upwards floated, along with the cylinder case upwards floats to make the inlet opening expose from the top mouth of pipe of drain pipe, water then flows into the inside that finally flows into the drain pipe in the wash port along the inlet opening.

Drawings

FIG. 1 is a schematic structural view of an ecological grass planting ditch for gardens according to an embodiment of the present application;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 1.

Description of reference numerals: 1. a trench; 11. a plain soil ramming layer; 12. a gravel drainage layer; 13. a first geotextile layer; 14. a sand layer; 15. a second geotextile layer; 16. planting a soil layer; 17. a water retention layer; 18. a vegetable layer; 2. slope protection; 3. protecting feet; 4. installing a pipe; 41. a first water seepage hole; 42. forking and stabing; 5. a drain pipe; 51. a second water seepage hole; 52. an elastic claw; 6. filtering cloth; 7. a cylindrical valve core; 71. a drain hole; 72. a water inlet hole; 73. floating the ball; 8. a fixed block; 9. a thread rope.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses gardens are with ecological grass planting ditch.

Referring to fig. 1, ecological grass planting ditch for gardens includes slot 1 and the bank protection 2 that is the slope setting that is located slot 1 both sides. The inside of the groove 1 is provided with a plain soil compaction layer 11, a gravel drainage layer 12, a first geotextile layer 13, a sand layer 14, a second geotextile layer 15, a planting soil layer 16, a water retention layer 17 and a vegetation layer 18 from bottom to top in sequence, wherein the vegetation layer 18 is formed by one or more groups of green grass, slide rails and shrubs. The roots of the plants used in the vegetation layer 18 penetrate into the inside of the planting soil layer 16.

The slope protection 2 is provided with a protection leg 3 at the toe, and the protection leg 3 is formed by pebble stacking. When rainwater flows to the inside of the groove 1 along the revetment 2, the toe guards 3 can block soil left by water, and water can flow through gaps between the pebbles to flow to the upper side of the stagnant water layer 17.

Referring to fig. 1 and 2, the inside of the groove 1 is also provided with a plurality of vertically arranged installation pipes 4, the installation pipes 4 are embedded and fixed inside the replanting soil layer 16, and the top pipe orifices of the installation pipes 4 are exposed from the top end face of the water retaining layer 17. The bottom end of the installation tube 4 pierces the second geotextile layer 15 to be inserted into the inside of the sand layer 14.

The inside of installation pipe 4 is provided with the drain pipe 5 of vertical setting, and the inside of installing pipe 4 is inserted and the card is fixed in the inside of installation pipe 4 to drain pipe 5. The top end of the water discharge pipe 5 is higher than the top end face of the stagnant water layer 17 and is spaced from the top end face of the stagnant water layer 17. The height of the top end of the drain pipe 5 can be determined according to the height of the selected plants in the vegetation layer 18 and the water demand of the plants.

In a rainy weather, when the water level above the stagnant water layer 17 is higher than the top nozzle of the drain pipe 5, the water higher than the drain pipe 5 is guided along the drain pipe 5 into the sand layer 14. Rainwater entering the sand layer 14 is firstly filtered by the sand layer 14, and the water filtered by the sand layer 14 passes through the first geotextile layer 13, flows into the gravel drainage layer 12, and is finally discharged through the gravel drainage layer 12. The water below the top nozzle of the drain pipe 5 is left above the stagnant water layer 17. When water flows into the gravel drainage layer 12 along the drainage pipe 5, the drainage of the water above the stagnant water layer 17 can be accelerated, and the time for plants in the vegetation layer 18 to submerge in the water can be reduced.

Referring to fig. 1 and 2, a plurality of first water seepage holes 41 are formed in the positions of the pipe wall of the installation pipe 4 opposite to the planting soil layer 16, and the first water seepage holes 41 are arranged at intervals along the circumferential direction of the installation pipe 4. The outer side surface of the pipe wall of the mounting pipe 4 is provided with a fork spike 42 extending outwards, and the fork spike 42 and the mounting pipe 4 are integrally formed. The fork prongs 42 and the first water seepage holes 41 are arranged in a staggered manner.

The installation tube 4 is also provided with a filter cloth 6 outside to wrap the installation tube 4 inside. The filter cloth 6 wraps the first water seepage holes 41 of the installation pipe 4 inside. The prongs 42 pierce the filter cloth 6 to emerge from the outer surface of the filter cloth 6. When the mounting pipe 4 is pre-buried in the planting soil layer 16, the mounting pipe 4 can be firmly fixed in the planting soil layer 16 due to the existence of the fork 42.

The outer diameter of the drain pipe 5 is smaller than the inner hole diameter of the installation pipe 4. The side wall of the drain pipe 5 is provided with a plurality of second water seepage holes 51 arranged at intervals along the circumferential direction of the drain pipe 5. An elastic claw 52 extending to the outer side of the pipe wall of the drain pipe 5 is arranged at the top end of the inner part of the second seepage hole 51, and the elastic claw 52 is integrally formed with the drain pipe 5. The elastic claw 52 is obliquely arranged toward the bottom end of the drain pipe 5. The number of the second water seepage holes 51 is the same as that of the first water seepage holes 41, and the included angle between the axes of two adjacent second water seepage holes 51 is the same as that between the axes of two adjacent first water seepage holes 41.

When the drain pipe 5 is inserted into the installation pipe 4, when the elastic claws 52 enter the inner hole of the installation pipe 4, the elastic claws 52 are in a squeezed state, and when the second water seepage holes 51 of the drain pipe 5 are opposite to the first water seepage holes 41 on the installation pipe 4 one by one, the elastic claws 52 are clamped into the opposite first water seepage holes 41. When the elastic claw 52 is clamped into the first water seepage hole 41, a gap for water to pass through is reserved between the elastic claw 52 and the hole wall of the first water seepage hole 41.

Referring to fig. 1 and 3, a cylindrical valve core 7 is slidably connected inside the water discharge pipe 5, and the cylindrical valve core 7 is vertically arranged. The inside of the cylindrical valve core 7 is provided with a drain hole 71 communicated with the bottom end surface of the cylindrical valve core 7, and the top side wall of the cylindrical valve core 7 is provided with a water inlet hole 72 communicated with the drain hole 71 and the outer surface of the side wall of the cylindrical valve core 7. The top end of the cylindrical valve core 7 is fixed with a floating ball 73, and the diameter of the floating ball 73 is larger than the top end pipe orifice of the drain pipe 5. When the water level is lower than the top nozzle of the drain pipe 5, the floating ball 73 seals the top nozzle of the drain pipe 5 under the action of gravity on the cylindrical valve core 7. When the water level is higher than the water outlet pipe 5, the floating ball 73 floats along with the increase of the water level, and pulls the cylindrical valve core 7 to move upwards until the water inlet hole 72 moves to the outside of the top pipe mouth of the water outlet pipe 5.

When the water inlet 72 is higher than the top nozzle of the drain pipe 5, the water flows into the drain hole 71 along the water inlet 72, and finally flows into the drain pipe 5.

The fixing blocks 8 are embedded in the sand layer 14 and below each drain pipe 5, the fixing blocks 8 are connected with the cylindrical valve core 7 through flexible ropes 9, one end of each rope 9 is fixed to the fixing block 8, and the other end of each rope 9 is fixed to the cylindrical valve core 7. When the wire rope 9 is in a stretched straight state, the bottom end of the cylindrical valve core 7 is positioned in the inner hole of the drain pipe 5.

The implementation principle of ecological grass planting ditch for gardens of this application embodiment is: when the water level of the water which is converged into the interior of the grass planting ditch is higher than the water discharge pipe 5, the water flows into the interior of the sand layer 14 from the water discharge pipe 5, seeps downwards along the sand layer 14 until flowing into the gravel drainage layer 12, finally flows out along the gravel drainage layer 12, quickly discharges the water into the gravel drainage layer 12 through the water discharge pipe 5, and filters the water through the sand layer, so that the water level above the stagnant water layer is quickly lowered, and the time for plants in the vegetation layer to be submerged in the water is reduced.

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 an ecological grass planting ditch is used in gardens, includes slot (1) and slope protection (2) that the slope that is located slot (1) both sides set up, its characterized in that: the inside of slot (1) is provided with plain soil tamp layer (11), gravel drainage layer (12), sand bed (14), planting soil layer (16) and vegetable layer (18) from bottom to top in proper order, the inside of slot (1) still is provided with drain pipe (5) of a plurality of vertical settings, the top surface of stagnant water layer (17) is higher than on the top of drain pipe (5), the bottom and the sand bed (14) of drain pipe (5) are linked together.

2. The ecological grass planting ditch for gardens of claim 1, wherein: the planting soil layer (16) is internally embedded with an installation pipe (4), the top end of the installation pipe (4) is exposed out of the surface of the top end of the stagnant water layer (17), and the drain pipe (5) is detachably connected in the installation pipe (4).

3. The ecological grass planting ditch for gardens of claim 2, characterized in that: be provided with first infiltration hole (41) on the pipe wall of installation pipe (4), first infiltration hole (41) is relative with planting soil layer (16), the external diameter of drain pipe (5) is less than the hole aperture of installation pipe (4), be provided with second infiltration hole (51) on the lateral wall of drain pipe (5), be provided with elasticity jack catch (52) that stretch out to the pipe wall lateral surface on drain pipe (5), elasticity jack catch (52) is relative time-opposing with first infiltration hole (41), elasticity jack catch (52) can be gone into in first infiltration hole (41), elasticity jack catch (52) card is gone into when in first infiltration hole (41), leave the gap between the pore wall of elasticity jack catch (52) and first infiltration hole (41).

4. The ecological grass planting ditch for gardens of claim 3, characterized in that: the outside of the installation pipe (4) is wrapped with filter cloth (6).

5. The ecological grass planting ditch for gardens of claim 2, characterized in that: and the outer side surface of the pipe wall of the mounting pipe (4) is provided with a fork (42) extending outwards.

6. The ecological grass planting ditch for gardens of claim 1, wherein: the inside of drain pipe (5) is provided with cylinder case (7), the vertical setting of cylinder case (7) and sliding connection are in drain pipe (5), the top of cylinder case (7) is provided with the piece that floats on the surface of water, the piece that floats is located the top of drain pipe (5), the inside of cylinder case (7) is provided with wash port (71) that the bottom surface of cylinder case (7) is linked together, the top of the lateral wall of cylinder case (7) is provided with inlet opening (72) that are linked together with wash port (71).

7. The ecological grass planting ditch for gardens of claim 6, characterized in that: fixed blocks (8) which are opposite to the drainage pipes (5) one by one are embedded in the sand layer (14), the fixed blocks (8) are located below the opposite drainage pipes (5), and the fixed blocks (8) are connected with the cylindrical valve cores (7) through flexible ropes (9).

8. The ecological grass planting ditch for gardens of claim 1, wherein: and fabric layers are arranged between the sand layer (14) and the planting soil layer (16) and between the sand layer (14) and the gravel drainage layer (12).

9. The ecological grass planting ditch for gardens of claim 1, wherein: and a toe guard (3) is arranged at the toe of the revetment (2).