CN207567899U - A kind of hydraulic engineering chute - Google Patents
A kind of hydraulic engineering chute Download PDFInfo
- Publication number
- CN207567899U CN207567899U CN201721415121.8U CN201721415121U CN207567899U CN 207567899 U CN207567899 U CN 207567899U CN 201721415121 U CN201721415121 U CN 201721415121U CN 207567899 U CN207567899 U CN 207567899U
- Authority
- CN
- China
- Prior art keywords
- wall
- civil engineering
- engineering structure
- water
- water fender
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a kind of hydraulic engineering chutes, including civil engineering structure, the lower section of the civil engineering structure is equipped with plain soil layer, the upper surface of the element soil layer is connected with the lower surface of civil engineering structure, the inside of the civil engineering structure is equipped with supporting leg, the outer wall of the supporting leg is connected with the inner wall of civil engineering structure, and the top of the supporting leg is equipped with metal double-edged fine-toothed comb.The hydraulic engineering chute, pass through civil engineering structure, water fender, the stupefied cooperation between flowing water through-hole of water blocking, under the action of mud slot, the effective impact force for alleviating flow, flowing water through-hole effectively can make flow pass through a part out of through-hole, by the impact force of water stream dispersing water flow, mud slot is used to that the silt in flow to be guided to avoid sediment siltation in water fender, it is short so as to overcome traditional chute stroke, stop the energy force difference of water flow impact pressure, deposit in chute is excessive, the shortcomings that blocking chute, reduce the cost of maintenance and maintenance, it is suitble to promote and apply.
Description
Technical field
The utility model is related to hydraulic engineering technical field, specially a kind of hydraulic engineering chute.
Background technology
In the prior art, such as application No. is 201420053421.6 utility model patents to include into sink, several
The link slot and effluent trough of a interconnection, it is described enter sink, link slot with effluent trough is detachable is connected, the link slot
One end be equipped with concave card slot, the other end is equipped with the convex snap ring that can be connected with the concave card slot grafting, the connection
The trapezoidal groove-like of slot cross-section, and the link slot inner surface is equipped with several anti-skid devices, the anti-skid device includes setting
In the protrusion and chase of link slot inner surface, the protrusion is connected with chase, the end for entering sink and being connect with link slot
Face is equipped with for the convex card slot that connects the link slot, and described enter sink to be closely equipped with height from the side of link slot adjustable
The water flow buffer plate of section, the utility model is although simple in structure, but there are many deficiencies and defect, in existing equipment, enters
The design existing defects of sink, the stroke for entering sink are too short, it is impossible to which effective torrent of alleviating is to the impact force of highway, concave card slot
It is only capable of blocking flow but is easily blocked by the muddy water in water, for these situations, to avoid above-mentioned technical problem, truly having must
A kind of hydraulic engineering chute is provided to overcome the defect of the prior art.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic engineering chute, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical solution:A kind of hydraulic engineering chute, including soil
Structure is built, the lower section of the civil engineering structure is equipped with plain soil layer, and the upper surface of the element soil layer is connected with the lower surface of civil engineering structure,
The inside of the civil engineering structure is equipped with supporting leg, and the outer wall of the supporting leg is connected with the inner wall of civil engineering structure, the top of the supporting leg
Equipped with metal double-edged fine-toothed comb, the lower surface of the metal double-edged fine-toothed comb is connected with the upper surface of supporting leg, and the left and right sides of the metal double-edged fine-toothed comb is equal
Equipped with connecting plate, the lower surface of the connecting plate is connected with the upper surface of plain soil layer, and the lower section of the metal double-edged fine-toothed comb is equipped with stent,
The upper surface of the stent is connected with the lower surface of metal double-edged fine-toothed comb, and the lower section of the stent is equipped with water fender, the water fender
Lower surface is connected with the upper surface of civil engineering structure, and it is stupefied that the top of the water fender is equipped with water blocking, the stupefied lower surface of the water blocking with
The upper surface of water fender is connected, and the inner wall of the water fender is equipped with flowing water through-hole, the outer wall of the flowing water through-hole and water fender
Inner wall is connected, and mud slot is equipped at left and right sides of the water fender, and the inner wall of the mud slot is connected with the outer wall of water fender,
The junction of the civil engineering structure outer wall is equipped with connecting sewing, and the left side of the connecting sewing is equipped with fixing card, the right side of the fixing card
Side is equipped with fixing groove, and the inner wall of the fixing groove is connected with the outer wall of fixing card overlap joint, and the left and right sides of the civil engineering structure is equal
Equipped with drainage tube, the outer wall of the drainage tube is connected with the inner wall of civil engineering structure, and the right end of the drainage tube is equipped with shell, described
The left side outer wall of shell is connected with the outer right wall of civil engineering structure, and the left side of the fixing card is equipped with osculum, the osculum
Outer wall be connected with the inner wall of civil engineering structure, the outside of the osculum is equipped with aqueduct, the outer wall of the aqueduct and draining
The inner wall in hole is connected, and the lower section of the water fender is equipped with fixed column, and the outer wall of the fixed column is connected with the inner wall of civil engineering structure,
The lower section of the fixed column is equipped with Soft Soil Layer, and the upper surface of the Soft Soil Layer is connected with the lower surface of civil engineering structure.
Preferably, the right side of the civil engineering structure is equipped with upper cover, and the inside of the upper cover is equipped with gravel layer, the gravel layer
Outer wall be connected with the inner wall of upper cover, the lower section of the gravel layer is equipped with cesspool, and the inner wall of the cesspool is equipped with plug net, institute
The outer wall for stating plug net is connected with the inner wall of cesspool, and the lower section of the cesspool is equipped with outlet pipe, the outer wall of the outlet pipe with
The inner wall of cesspool is connected.
Preferably, be equipped with baffle at left and right sides of the metal double-edged fine-toothed comb, the lower surface of the baffle and connecting plate it is upper
Surface is connected.
Preferably, the inner wall of the shell is equipped with strainer, and the inner wall of the strainer is connected with the outer wall of drainage tube.
Preferably, the inner wall of the baffle is equipped with steel wire, and the outer wall of the steel wire is connected with the inner wall of baffle.
Compared with prior art, the beneficial effects of the utility model are:The hydraulic engineering chute, passes through civil engineering knot
The stupefied cooperation between flowing water through-hole of structure, water fender, water blocking under the action of mud slot, enables flow to obtain enough rows
Journey alleviates the impact to highway, avoids flow and is damaged caused by telling highway pavement, and civil engineering structure is built using steel reinforced concrete
It builds, anti-current-rush and can guide in flow direction plash, water fender can alleviate the impact force of flow, by multiple
The drop level of water fender group layer, the effective impact force for alleviating flow, water blocking is stupefied can to stop that flow is directed across water fender
Flow column is formed, flowing water through-hole can effectively make flow out of through-hole by a part, by rushing for water stream dispersing water flow
Power is hit, mud slot is for guiding the silt in flow to avoid sediment siltation in water fender, so as to overcome traditional chute row
Journey is short, stops the energy force difference of water flow impact pressure, and the deposit in chute is excessive, the shortcomings that blocking chute, reduces maintenance
With the cost of maintenance, it is suitble to promote and apply.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the structure diagram of the utility model metal double-edged fine-toothed comb;
Fig. 3 is the structure diagram of the utility model shell;
Fig. 4 is the structure diagram of the utility model gravel layer.
In figure:1st, civil engineering structure, 2, metal double-edged fine-toothed comb, 3, baffle, 4, connecting sewing, 5, aqueduct, 6, Soft Soil Layer, 7, water blocking
It is stupefied, 8, osculum, 9, water fender, 10, mud slot, 11, plain soil layer, 12, flowing water through-hole, 13, strainer, 14, stent, 15, connection
Plate, 16, supporting leg, 17, drainage tube, 18, shell, 19, fixing card, 20, fixing groove, 21, steel wire, 22, fixed column, 23, on
Lid, 24, plug net, 25, cesspool, 26, outlet pipe, 27, gravel layer.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of hydraulic engineering chute, including civil engineering
Structure 1, civil engineering structure 1 are built by laying bricks or stones for steel and concrete structure, and for guiding flow direction plash, the right side of civil engineering structure 1 is equipped with upper cover
23, upper cover 23 is built by laying bricks or stones for steel and concrete structure, and for flow to be guided to flow into cesspool 25, the inside of upper cover 23 is equipped with gravel layer 27, gravel
Rock layers 27 are for guiding flow to flow into cesspool 25, and the outer wall of gravel layer 27 is connected with the inner wall of upper cover 23, under gravel layer 27
Side is equipped with cesspool 25, and cesspool 25 is built by laying bricks or stones for steel and concrete structure, and for storing water on a small quantity, plash is flowed to by outlet pipe 26,
The inner wall of cesspool 25 is equipped with plug net 24, and plug net 24 fills in the outer wall of net 24 and the inner wall of cesspool 25 for detaching solid particle
It is connected, the lower section of cesspool 25 is equipped with outlet pipe 26, and outlet pipe 26 is used to flow being inducted into plash, the outer wall of outlet pipe 26
It is connected with the inner wall of cesspool 25, the lower section of civil engineering structure 1 is equipped with plain soil layer 11, and plain soil layer 11 is original soil layer, plain soil layer 11
Upper surface be connected with the lower surface of civil engineering structure 1, the inside of civil engineering structure 1 is equipped with supporting leg 16, and supporting leg 16 is stainless steel
Matter is used to support metal double-edged fine-toothed comb 2, and the outer wall of supporting leg 16 is connected with the inner wall of civil engineering structure 1, and the top of supporting leg 16 is combed equipped with metal
Son 2, metal double-edged fine-toothed comb 2 prevent water impact highway, the left and right sides of metal double-edged fine-toothed comb 2 is equipped with baffle for stopping flow
3, baffle 3 is for preventing foreign matter from tumbling, and the inner wall of baffle 3 is equipped with steel wire 21, and steel wire 21 is for stopping that foreign matter tumbles, steel wire
The outer wall of net 21 is connected with the inner wall of baffle 3, and the lower surface of baffle 3 is connected with the upper surface of connecting plate 15, under metal double-edged fine-toothed comb 2
Surface is connected with the upper surface of supporting leg 16, and the left and right sides of metal double-edged fine-toothed comb 2 is equipped with connecting plate 15, and connecting plate 15 keeps off for fixed
Plate 3, the lower surface of connecting plate 15 are connected with the upper surface of plain soil layer 11, and the lower section of metal double-edged fine-toothed comb 2 is equipped with stent 14, and stent 14 is used
In support metal double-edged fine-toothed comb 2, the upper surface of stent 14 is connected with the lower surface of metal double-edged fine-toothed comb 2, and the lower section of stent 14 is equipped with water fender
9, water fender 9 is built by laying bricks or stones for steel and concrete structure, for blocking flow, prevents water impact road surface, lower surface and the civil engineering knot of water fender 9
The upper surface of structure 1 is connected, and the top of water fender 9 is equipped with water blocking stupefied 7, and gear water blocking stupefied 7 is used to stop water impact road surface, water stupefied 7
Lower surface be connected with the upper surface of water fender 9, the inner wall of water fender 9 is equipped with flowing water through-hole 12, and flowing water through-hole 12 is used for water
Flow point stream, the outer wall of flowing water through-hole 12 are connected with the inner wall of water fender 9, and the left and right sides of water fender 9 is equipped with mud slot 10, become silted up
Mud groove 10 is used to prevent it from blocking water fender 9 and flowing water through-hole 12 muddy water drainage, and the inner wall of mud slot 10 is outer with water fender 9
Wall is connected, and the junction of 1 outer wall of civil engineering structure is equipped with connecting sewing 4, for the junction of two civil engineering structures 1, the left side of connecting sewing 4
Equipped with fixing card 19, fixing card 19 is built by laying bricks or stones for steel and concrete structure, and for connecting civil engineering structure 1, the right side of fixing card 19, which is equipped with, to be fixed
Slot 20, fixing groove 20 are built by laying bricks or stones for steel and concrete structure, for connecting civil engineering structure 1, the inner wall of fixing groove 20 and the outer wall of fixing card 19
Overlap joint is connected, and the left and right sides of civil engineering structure 1 is equipped with drainage tube 17, and drainage tube 17 is used to guide in the ponding in plain soil layer 11
Enter plash, the outer wall of drainage tube 17 is connected with the inner wall of civil engineering structure 1, and the right end of drainage tube 17 is equipped with shell 18, shell 18
It is built by laying bricks or stones for steel and concrete structure, for flow to be inducted into cesspool 25, the inner wall of shell 18 is equipped with strainer 13, and strainer 13 is used to prevent
Drainage tube 17 blocks, and the inner wall of strainer 13 is connected with the outer wall of drainage tube 17, the left side outer wall of shell 18 and the right side of civil engineering structure 1
Side outer wall is connected, and for the connection of shell 18 to be made more to stablize, the left side of fixing card 19 is equipped with osculum 8, and osculum 8 is used for will
Ponding export in plain soil layer 11 and Soft Soil Layer 6, the outer wall of osculum 8 is connected with the inner wall of civil engineering structure 1, outside osculum 8
Side is equipped with aqueduct 5, and aqueduct 5 is for exporting ponding, and the outer wall of aqueduct 5 is connected with the inner wall of osculum 8, water fender 9
Lower section is equipped with fixed column 22, and fixed column 22 is built by laying bricks or stones for steel and concrete structure, for connecting and fixing water fender 9, the outer wall of fixed column 22
It is connected with the inner wall of civil engineering structure 1, the lower section of fixed column 22 is equipped with Soft Soil Layer 6, and Soft Soil Layer 6 is used for the infiltration of ponding, Soft Soil Layer 6
Upper surface be connected with the lower surface of civil engineering structure 1, there is freeze thawing for anti-locking system.
The hydraulic engineering is usually applied in hydraulic engineering with chute, for rainwater is avoided to flow down to form water from massif
Stream causes to damage to express highway pavement, and the hydraulic engineering chute is by civil engineering structure 1, metal double-edged fine-toothed comb 2, baffle 3, water fender
9th, the components such as mud slot 10, flowing water through-hole 12, supporting leg 16 form, when flow flows down, by civil engineering structure 1, water fender 9, gear
The water-retaining structure that water stupefied 7 and flowing water through-hole 12 form, flow is shunted and is detached, a part of flow is stopped by water fender 9
The impact force of flow is slowed down, impact force is disperseed by the flowing water through-hole 12 of 9 lower part of water fender, work as flow by a part of flow
Flow velocity it is too fast when, blocked by water blocking stupefied 7, by flow gear can fall into water fender 9, the solid particle that flow is swept across is silted mud groove
10 separation prevent solid particle blocking flowing water through-hole 12, under the action of mud slot 10, flow are enable to obtain enough rows
Journey alleviates the impact to highway, avoids flow and is damaged caused by telling highway pavement, and civil engineering structure 1 is built using steel reinforced concrete
It builds, anti-current-rush and can guide in flow direction plash, water fender 9 can alleviate the impact force of flow, by more
The drop level of a 9 groups of layers of water fender, the effective impact force for alleviating flow, water blocking stupefied 7 can stop that flow is directed across keeping off
Water plate forms flow column, and flowing water through-hole 12 can effectively make flow out of through-hole by a part, by water stream disperse water
The impact force of stream, mud slot 10 is for guiding the silt in flow to avoid sediment siltation in water fender 9, and fixed column 22 is by water blocking
Plate 9 is reinforced, and water fender 9 is enable more securely to complete the shunting work of flow.
In the description of the present invention, it is to be appreciated that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " forepart ", " center ", the orientation of the instructions such as " both ends " or position close
Be for based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify description rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is construed as a limitation of the present invention.
In the utility model unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
It is fixed ", the terms such as " being screwed on " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;
Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, it can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of hydraulic engineering chute, including civil engineering structure(1), it is characterised in that:The civil engineering structure(1)Lower section set
It is always or usually as specified soil layer(11), the element soil layer(11)Upper surface and civil engineering structure(1)Lower surface be connected, the civil engineering structure(1)
Inside be equipped with supporting leg(16), the supporting leg(16)Outer wall and civil engineering structure(1)Inner wall be connected, the supporting leg(16)It is upper
Side is equipped with metal double-edged fine-toothed comb(2), the metal double-edged fine-toothed comb(2)Lower surface and supporting leg(16)Upper surface be connected, the metal double-edged fine-toothed comb
(2)The left and right sides be equipped with connecting plate(15), the connecting plate(15)Lower surface and plain soil layer(11)Upper surface be connected,
The metal double-edged fine-toothed comb(2)Lower section be equipped with stent(14), the stent(14)Upper surface and metal double-edged fine-toothed comb(2)Lower surface phase
Even, the stent(14)Lower section be equipped with water fender(9), the water fender(9)Lower surface and civil engineering structure(1)Upper surface
It is connected, the water fender(9)Top be equipped with water blocking it is stupefied(7), the water blocking is stupefied(7)Lower surface and water fender(9)Upper table
Face is connected, the water fender(9)Inner wall be equipped with flowing water through-hole(12), the flowing water through-hole(12)Outer wall and water fender(9)
Inner wall be connected, the water fender(9)The left and right sides be equipped with mud slot(10), the mud slot(10)Inner wall and water blocking
Plate(9)Outer wall be connected, the civil engineering structure(1)The junction of outer wall is equipped with connecting sewing(4), the connecting sewing(4)Left side
Equipped with fixing card(19), the fixing card(19)Right side be equipped with fixing groove(20), the fixing groove(20)Inner wall and fixation
Card(19)Outer wall overlap joint be connected, the civil engineering structure(1)The left and right sides be equipped with drainage tube(17), the drainage tube(17)
Outer wall and civil engineering structure(1)Inner wall be connected, the drainage tube(17)Right end be equipped with shell(18), the shell(18)'s
Left side outer wall and civil engineering structure(1)Outer right wall be connected, the fixing card(19)Left side be equipped with osculum(8), the row
Water hole(8)Outer wall and civil engineering structure(1)Inner wall be connected, the osculum(8)Outside be equipped with aqueduct(5), it is described to lead
Water pipe(5)Outer wall and osculum(8)Inner wall be connected, the water fender(9)Lower section be equipped with fixed column(22), the fixation
Column(22)Outer wall and civil engineering structure(1)Inner wall be connected, the fixed column(22)Lower section be equipped with Soft Soil Layer(6), it is described soft
Soil layer(6)Upper surface and civil engineering structure(1)Lower surface be connected.
2. a kind of hydraulic engineering chute according to claim 1, it is characterised in that:The civil engineering structure(1)The right side
Side is equipped with upper cover(23), the upper cover(23)Inside be equipped with gravel layer(27), the gravel layer(27)Outer wall and upper cover
(23)Inner wall be connected, the gravel layer(27)Lower section be equipped with cesspool(25), the cesspool(25)Inner wall be equipped with plug
Net(24), the plug net(24)Outer wall and cesspool(25)Inner wall be connected, the cesspool(25)Lower section be equipped with water outlet
Pipe(26), the outlet pipe(26)Outer wall and cesspool(25)Inner wall be connected.
3. a kind of hydraulic engineering chute according to claim 1, it is characterised in that:The metal double-edged fine-toothed comb(2)A left side
Right both sides are equipped with baffle(3), the baffle(3)Lower surface and connecting plate(15)Upper surface be connected.
4. a kind of hydraulic engineering chute according to claim 1, it is characterised in that:The shell(18)Inner wall set
There is strainer(13), the strainer(13)Inner wall and drainage tube(17)Outer wall be connected.
5. a kind of hydraulic engineering chute according to claim 3, it is characterised in that:The baffle(3)Inner wall set
There is steel wire(21), the steel wire(21)Outer wall and baffle(3)Inner wall be connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721415121.8U CN207567899U (en) | 2017-10-30 | 2017-10-30 | A kind of hydraulic engineering chute |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721415121.8U CN207567899U (en) | 2017-10-30 | 2017-10-30 | A kind of hydraulic engineering chute |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207567899U true CN207567899U (en) | 2018-07-03 |
Family
ID=62692589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721415121.8U Active CN207567899U (en) | 2017-10-30 | 2017-10-30 | A kind of hydraulic engineering chute |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207567899U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113265976A (en) * | 2021-02-22 | 2021-08-17 | 李红 | Water flow retarding device for hydraulic engineering |
-
2017
- 2017-10-30 CN CN201721415121.8U patent/CN207567899U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113265976A (en) * | 2021-02-22 | 2021-08-17 | 李红 | Water flow retarding device for hydraulic engineering |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106192665B (en) | A kind of sponge urban road rain infiltration system and its construction method | |
CN108729326A (en) | Self-purification drainage system for the strand highway construction of sponge city | |
CN210827513U (en) | Self-adaptation side slope drainage seepage prevention structure | |
CN108757027A (en) | Multi-functional lobby water system in a kind of tunnel | |
CN207567899U (en) | A kind of hydraulic engineering chute | |
CN206109974U (en) | Bridge drainage system | |
CN107698105A (en) | A kind of city river rainwater discharge outlet pretreatment unit | |
AU2008286149B2 (en) | Damming method for permeable red mud dam with red mud from sintering process | |
CN103850180B (en) | Viaduct draining and water treatment system | |
CN203794745U (en) | Expressway water treatment system | |
CN109056879A (en) | A kind of riverway sludge cleaning plant and construction method | |
CN206428785U (en) | It is a kind of to remove the Multifunctional rain management and control facility become silted up | |
CN206289586U (en) | Hydraulic engineering ecological protection slope | |
CN105089143B (en) | Method and device for setting highway desilting basin | |
CN209652959U (en) | Connected vessels type foundation pit drop and drainage structure | |
CN207727748U (en) | A kind of rainwater energy dissipation tank with processing function | |
CN106894491A (en) | A kind of sponge city concave herbaceous field | |
CN208251291U (en) | Rain-water accumulating under artificial rain system based on LID facility arranges well | |
CN207362980U (en) | Biological detention area overflow weir | |
CN208501692U (en) | A kind of waterproof foundation pit | |
CN208121687U (en) | Ecological riverway shore protection | |
CN110284551A (en) | A kind of sponge urban rainwater collection purification device | |
CN212477985U (en) | Rainwater outlet infiltration system | |
CN211523802U (en) | A novel disconnected structure for building roofing rainwater | |
CN210127479U (en) | Ecological bank protection of formula of permeating water |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |