CN207499107U - A kind of urban road emergency drainage device - Google Patents
A kind of urban road emergency drainage device Download PDFInfo
- Publication number
- CN207499107U CN207499107U CN201721588703.6U CN201721588703U CN207499107U CN 207499107 U CN207499107 U CN 207499107U CN 201721588703 U CN201721588703 U CN 201721588703U CN 207499107 U CN207499107 U CN 207499107U
- Authority
- CN
- China
- Prior art keywords
- well lid
- drainage device
- urban road
- hydraulic
- vertical shaft
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of urban road emergency drainage devices, including the vertical shaft to connect with subsurface stormwater pipe, the well lid being hinged at Shaft bank and the water inlet protection network in vertical shaft, water inlet protection network is fixed between two neighboring support wall, hydraulic climbing mechanism for well lid to be jacked up is installed below the well lid, solenoid electric valve is installed on hydraulic climbing mechanism, the output terminal of solenoid electric valve and controller connects, the input terminal of controller is connect with for the pressure sensor for detecting road surface hydraulic pressure and for detecting the humidity sensor of pavement humidity.The utility model detects the hydraulic pressure and humidity on road surface by pressure sensor and humidity sensor, the signal received is passed to controller again, controller control hydraulic climbing mechanism action, well lid is jacked up using hydraulic climbing mechanism, water a large amount of on road surface is emitted by vertical shaft in existing subsurface stormwater pipe, prevents the destruction of a large amount of rainwater road pavements that cannot be excluded in time.
Description
Technical field
The utility model belongs to municipal plumbing public utility technical field, and in particular to a kind of urban road emergency drainage
Device.
Background technology
With the rapid development of urbanization, lead to the hardening of urban surface large area to become universal phenomenon, earth's surface causes firmly
Surface runoff coefficient increases, and when there is extreme heavy showers, forms surface water due to the increase of micro- infiltration catchment area and suddenly gathers,
So as to " urban waterlogging " occur in low-lying or steep slope section, " urban waterlogging " damages urban road or even city is built
It builds, urban life causes unexpected consequence, and " urban waterlogging " is not that the caliber of urban underground water drainage pipe line is insufficient sometimes, greatly
Dewatering needs can not be met in part because of underground water inlet, if excessive underground water inlet is set to seriously affect again
The driving requirement of urban road, while do not meet urban construction standard yet, then if disclosure satisfy that city with one kind
Road water is discharged in time when strong rainstorms or even flood, draining can be also closed in time after strong rainstorms or flood stopping
Mouthful, and the emergency drainage device for meeting carriage way requirement under normal circumstances is necessary.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of city
Road emergency drainage arrangement.The emergency drainage device detects the hydraulic pressure on road surface and wet by pressure sensor and humidity sensor
Degree, then the signal received is passed to controller, controller control hydraulic climbing mechanism action, using hydraulic climbing mechanism by well
Caping rises, and so as to which a large amount of ponding on road surface are emitted by vertical shaft in existing subsurface stormwater pipe, prevents from arranging in time
The destruction of a large amount of ponding road pavements removed.
In order to solve the above technical problems, the technical solution adopted in the utility model is a kind of urban road emergency drainage dress
It puts, it is characterised in that:Including the vertical shaft to connect with subsurface stormwater pipe, the well lid being hinged at Shaft bank and in vertical shaft
Water inlet protection network, water inlet protection network is fixed between two neighboring support wall, is equipped with and is used for below the well lid
The hydraulic climbing mechanism that well lid is jacked up, is equipped with solenoid electric valve on hydraulic climbing mechanism, solenoid electric valve and controller
Output terminal connects, and the input terminal of controller detects the pressure sensor of road surface hydraulic pressure and for detecting the wet of pavement humidity with being used for
Spend sensor connection.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:The hydraulic climbing mechanism include hydraulic support,
And the first connecting rod and second connecting rod being hinged, the other end of first connecting rod are hinged on well lid, the other end of second connecting rod
It is hinged on support wall, hydraulic support is arranged on the side of second connecting rod, and the tailpiece of the piston rod of hydraulic support is fixed on the second company
On bar, the base end of hydraulic support is fixed on support wall, and solenoid electric valve is mounted on the oil inlet pipe of hydraulic support.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:The position for closely descending rain pipe of the vertical shaft
The place of putting is provided with gate-type bent cap, and the gate-type bent cap includes crossbeam and Duo Gen is arranged on the vertical beam of below the crossbeam, and adjacent two perpendicular
The water pipe channel passed through for subsurface stormwater pipe is formed between beam.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:The crossbeam is installed at the position of vertical shaft
There is control box, the controller is mounted in control box.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:It is perfused with to reinforce in the water pipe channel
The concrete layer of subsurface stormwater pipe.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:Well lid cushion block, well are provided with above the crossbeam
Cover Gasket block extends with the extending direction of crossbeam, and the well lid is arranged on well lid cushion block.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:It is installed there are two being opened up on the well lid cushion block
Hole, the pressure sensor and humidity sensor are mounted in mounting hole, and detachable protective lid is provided on the mounting hole.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:The well lid cushion block is at the position of well lid
With segmental arc, the well lid is fastened in segmental arc.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:Well is provided between two neighboring support wall
Lid rotation axis, the well lid are mounted in well lid rotation axis.
A kind of above-mentioned urban road emergency drainage device, it is characterised in that:The vertical shaft is square well.
The utility model has the following advantages compared with prior art:
1. the utility model is using hydraulic pressure and humidity on pressure sensor and humidity sensor detection road surface, controller control
Hydraulic climbing mechanism processed is jacked up well lid by hydraulic climbing mechanism, and the water on road surface is made to drain into time and with existing is rained
In the vertical shaft that water pipe connects, avoid a large amount of water that from cannot discharging in time and urban road, urban architecture are damaged, influence people
Normal trip, and under normal circumstances, well lid is in completely enclosed state, meets road travel demand.
2. be provided with water inlet protection network in the utility model vertical shaft, due to when road surface hydraulic pressure is larger or the depth of water is higher, liquid
Pressure lifting body jacks up well lid, the foreign matter in water is easily made to be washed to vertical shaft in this way, such water inlet protection network can
Blocking foreign matter is washed to subsurface stormwater pipe, is avoided causing unnecessary loss to people, is also prevented from large-scale foreign matter and enters ground
Lower rain pipe results in blockage phenomenon.
3. connecting rod and hydraulic support that the hydraulic climbing mechanism of the utility model is hinged by two are matched well lid
It jacks up, simple in structure, easy for installation, practicability is good.
In conclusion the utility model detects the hydraulic pressure and humidity on road surface by pressure sensor and humidity sensor, then
The signal received is passed to controller, controller control hydraulic climbing mechanism action, using hydraulic climbing mechanism by well lid top
It rises, ponding a large amount of on road surface is emitted by vertical shaft in existing subsurface stormwater pipe, prevent a large amount of products that cannot be excluded in time
The destruction of water road pavement.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the vertical view of the utility model.
Fig. 2 is the A-A sectional views in Fig. 1.
Fig. 3 is the B-B sectional views in Fig. 2.
Fig. 4 is the C-C sectional views in Fig. 2.
Fig. 5 is enlarged drawing at the P in Fig. 2.
Fig. 6 is structure diagram when Fig. 2 well lids are opened.
Fig. 7 is the schematic block circuit diagram of the utility model.
Reference sign:
1-well lid;2-well lid cushion block;2-1-mounting hole;
2-2-protection cap;2-3-segmental arc;The gate-type bent caps of 3-1-first;
The gate-type bent caps of 3-2-second;4-well lid rotation axis;5-water inlet protection network;
6-hydraulic climbing mechanism;6-1-first connecting rod;6-2-second connecting rod;
6-3-articulated shaft;6-4-hydraulic support;7-support wall;
8-subsurface stormwater pipe;9-control box;10-humidity sensor;
11-pressure sensor;12-controller;13-solenoid electric valve;
14-vertical shaft;15-crossbeam;16-vertical beam;
17-concrete layer.
Specific embodiment
A kind of urban road emergency drainage device as shown in Figures 1 to 4, it is perpendicular including connecting with subsurface stormwater pipe 8
Well 14, the well lid 1 being hinged at 14 well head of vertical shaft and the water inlet protection network 5 in vertical shaft 14, water inlet protection network 5 are fixed
Between two neighboring support wall 7,1 lower section of well lid is equipped with the hydraulic climbing mechanism 6 for well lid 1 to be jacked up, liquid
Solenoid electric valve 13 is installed on pressure lifting body 6, as shown in fig. 7, solenoid electric valve 13 is connect with the output terminal of controller 12,
The input terminal of controller 12 and the humidity sensor for the pressure sensor 11 for detecting road surface hydraulic pressure and for detecting pavement humidity
Device 10 connects.
In the present embodiment, the well lid 1 is steelwork, and under normal circumstances, well lid 1 is in horizontality, i.e., at vertical shaft 14
In closed state, when road surface can be made not have a large amount of ponding in this way, well lid 1 ensures the normal pass of driving, when road surface has largely
During ponding, pressure sensor 11 detects the pressure of road surface water and humidity sensor 10 detects pavement humidity, pressure sensor 11
Pressure value and humidity value are transmitted to controller 12 with humidity sensor 10, controller 12 controls solenoid electric valve 13, so as to make
Hydraulic climbing mechanism 6 jacks up well lid 1, and the ponding on road surface will timely enter vertical shaft 14, and pass through water inlet protection network 5 into
Enter in existing subsurface stormwater pipe 8, discharged by 8 grade drainage systems of subsurface stormwater pipe.
It in the present embodiment, is matched using pressure sensor 11 and humidity sensor 10, hydraulic pressure is controlled by controller 12
Lifting body 6, if being provided only for the pressure sensor 11 of detection road surface hydraulic pressure, under normal circumstances, when driving is by well lid 1,
Downward pressure is generated to well lid 1, well lid 1 can be jacked up, caused a hidden trouble to traffic safety, using pressure by hydraulic climbing mechanism 6
Sensor 11 and humidity sensor 10 can avoid the phenomenon that well lid 1 is jacked up under normal circumstances, ensure that the safety of driving goes out
Row.
In the present embodiment, the vertical shaft 14 is square well, and a large amount of ponding in road surface can be discharged into ground by square well in the short time
In lower rain pipe 8.
In the present embodiment, water inlet protection network 5 is provided in the vertical shaft 14 and positioned at the lower section of well lid 1, water inlet is prevented
Protecting wire net 5 be steelwork, set water inlet protection network 5 the advantages of be:When well lid 1 is jacked up by hydraulic climbing mechanism 6, on road surface
A large amount of ponding can be entered by the well lid 1 jacked up in vertical shaft 14, be easy to make in this way the foreign matter being mingled in ponding be washed to
In vertical shaft 14, using water inlet protection network 5 effectively blocking foreign matter be washed into subsurface stormwater pipe 8, avoid heavy rain to people with
Carry out secondary disaster.
As shown in Figure 4 and Figure 6, in the present embodiment, the hydraulic climbing mechanism 6 includes hydraulic support 6-4 and is hinged
First connecting rod 6-1 and the other end of second connecting rod 6-2, first connecting rod 6-1 be hinged on well lid 1, second connecting rod 6-2's is another
End is hinged on support wall 7, and hydraulic support 6-4 is arranged on the side of second connecting rod 6-2, the tailpiece of the piston rod of hydraulic support 6-4
It is fixed on second connecting rod 6-2, the base end of hydraulic support 6-4 is fixed on support wall 7, and solenoid electric valve 13 is mounted on liquid
On the oil inlet pipe for pressing stent 6-4.When it is implemented, one end of the first connecting rod 6-1 is hinged on well lid 1 by articulated shaft 6-3
Bottom, the other end of first connecting rod 6-1 are hinged also by articulated shaft 6-3 and second connecting rod 6-2, meanwhile, second connecting rod 6-2's is another
One end is hinged on also by articulated shaft 6-3 on support wall 7.As depicted in figs. 1 and 2, it is set between two neighboring support wall 7
There is well lid rotation axis 4, the well lid 1 is rotatably installed in well lid rotation axis 4.When pressure sensor 11 and humidity sensor 10 are examined
When measuring road surface hydraulic pressure and the depth of water more than preset value, solenoid electric valve 13 controls the oil inlet pipe of hydraulic support 6-4 to open, hydraulic pressure branch
The tailpiece of the piston rod elongation of frame 6-4 pushes second connecting rod 6-2 to jack up upwards, and second connecting rod 6-2 drives first while moving upwards
Connecting rod 6-1 is jacked up upwards, and well lid 1 is finally made to be jacked up upwards around well lid rotation axis 4;If pressure sensor 11 and humidity sensor 10
When detecting that road surface hydraulic pressure and humidity are less than preset value, solenoid electric valve 13 controls the oil inlet pipe of hydraulic support 6-4 to close, hydraulic pressure
The tailpiece of the piston rod of stent 6-4 is shunk, and first connecting rod 6-1 and second connecting rod 6-2 are moved towards 14 internal direction of vertical shaft, finally make well lid
1 with road surface flush.
In the present embodiment, gate-type bent cap is provided at the position for closely descending rain pipe 8 of the vertical shaft 14, such as Fig. 2 institutes
Show, the gate-type bent cap is arranged on vertical shaft including the first gate-type bent cap 3-1 and the second gate-type bent cap 3-2, the first gate-type bent cap 3-1
14 side, the first gate-type bent cap 3-1 are arranged on the opposite side of vertical shaft 14, the first gate-type bent cap 3-1 and the second gate-type bent cap 3-2
It is oppositely arranged, the first gate-type bent cap 3-1 and identical crossbeam 15 and the Duo Gen of including of the second gate-type bent cap 3-2 structures are arranged on crossbeam
The vertical beam 16 of 15 lower sections, adjacent two vertical beams 16 form the water pipe channel passed through for subsurface stormwater pipe 8, when it is implemented, described
The quantity of vertical beam 16 is three, three 16 parallel settings of vertical beam, and three vertical beams 16 form two water pipe channels, in this way convenient for confession
Existing two parallel subsurface stormwater pipes 8 pass through, and setting the first gate-type bent cap 3-1 and the second gate-type bent cap 3-2 can add
Gu entire emergency drainage device, it is ensured that the stability of emergency drainage device.
When it is implemented, subsurface stormwater pipe 8 connects across the water pipe channel with vertical shaft 14, also filled in water pipe channel
It is marked with the concrete layer 17 for reinforcing subsurface stormwater pipe 8.
As shown in Fig. 2, Fig. 3 and Fig. 5, in the present embodiment, 15 top of crossbeam is provided with well lid cushion block 2, well lid cushion block 2
Extend with the extending direction of crossbeam 15, the well lid cushion block 2 has segmental arc 2-3, the well lid 1 at the position of well lid 1
It is fastened on the leakproofness and stability that can be ensured that well lid 1 is installed in segmental arc 2-3.
In the present embodiment, opened up on the well lid cushion block 2 there are two mounting hole 2-1, the pressure sensor 11 and humidity
Sensor 10 is mounted in mounting hole 2-1, detachable protective lid 2-2 is provided on the mounting hole 2-1, mounted on well lid pad
Pressure sensor 11 and humidity sensor 10 on block 2 can in real time, accurately detect hydraulic pressure and the depth of water on road surface, and set
Pressure sensor 11 and humidity sensor 10 can be avoided by road surface up train by putting the protection cap 2-2 on mounting hole 2-1
It destroys, and protection cap 2-2 is removably mounted on mounting hole 2-1 so that it is convenient to which pressure sensor 11 and humidity to failure pass
Sensor 10 is replaced.
In the present embodiment, the crossbeam 15 is equipped with control box 9 at the position of vertical shaft 14, and the controller 12 is installed
In control box 9.
As shown in Figure 2, Figure 3 and Figure 4, subsurface stormwater pipe 8 is traditionally arranged to be two parallel subsurface stormwater pipes, perpendicular in this way
The quantity of well 14 is two, and the quantity of water inlet protection network 5 is two, and the quantity of well lid 1 is one, and support wall 7 is three,
Three support walls 7 are respectively that the first support wall, the second support wall and third support wall, the first support wall and second
One water inlet protection network 5 is set between support wall, and the second support wall and third support wall set a water inlet to prevent
Protecting wire net 5, the first support wall, the second support wall and third support is both provided with hydraulic climbing mechanism 6 on wall.
The above is only the preferred embodiment of the utility model, not the utility model imposed any restrictions, every
Any simple modification, change and the equivalent structure made according to the utility model technical spirit to above example change, still
Belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of urban road emergency drainage device, it is characterised in that:Including the vertical shaft to connect with subsurface stormwater pipe (8)
(14), the well lid (1) being hinged at vertical shaft (14) well head and the water inlet protection network (5) in vertical shaft (14), water inlet is prevented
Protecting wire net (5) is fixed between two neighboring support wall (7), is equipped with to jack up well lid (1) below the well lid (1)
Hydraulic climbing mechanism (6) is equipped with solenoid electric valve (13), solenoid electric valve (13) and controller on hydraulic climbing mechanism (6)
(12) output terminal connection, the input terminal of controller (12) detect the pressure sensor (11) of road surface hydraulic pressure and for examining with being used for
Survey humidity sensor (10) connection of pavement humidity.
2. a kind of urban road emergency drainage device according to claim 1, it is characterised in that:The hydraulic climbing mechanism
(6) including hydraulic support (6-4) and the first connecting rod (6-1) being hinged and second connecting rod (6-2), first connecting rod (6-1)
The other end is hinged on well lid (1), and the other end of second connecting rod (6-2) is hinged on support wall (7), hydraulic support (6-4)
The side of second connecting rod (6-2) is arranged on, the tailpiece of the piston rod of hydraulic support (6-4) is fixed on second connecting rod (6-2), hydraulic pressure branch
The base end of frame (6-4) is fixed on support wall (7), and solenoid electric valve (13) is mounted on the oil inlet pipe of hydraulic support (6-4)
On.
3. a kind of urban road emergency drainage device according to claim 1 or 2, it is characterised in that:The vertical shaft (14)
The position for closely descending rain pipe (8) at be provided with gate-type bent cap, the gate-type bent cap includes crossbeam (15) and more are set
Vertical beam (16) below crossbeam (15) forms the water pipe passed through for subsurface stormwater pipe (8) between adjacent two vertical beams (16) and leads to
Road.
4. a kind of urban road emergency drainage device according to claim 3, it is characterised in that:The crossbeam (15) is close
Control box (9) is installed, the controller (12) is in control box (9) at the position of vertical shaft (14).
5. a kind of urban road emergency drainage device according to claim 3, it is characterised in that:It is filled in the water pipe channel
It is marked with the concrete layer (17) for reinforcing subsurface stormwater pipe (8).
6. a kind of urban road emergency drainage device according to claim 3, it is characterised in that:Above the crossbeam (15)
Well lid cushion block (2) is provided with, well lid cushion block (2) extends with the extending direction of crossbeam (15), and the well lid (1) is arranged on well lid pad
On block (2).
7. a kind of urban road emergency drainage device according to claim 6, it is characterised in that:The well lid cushion block (2)
On open up there are two mounting hole (2-1), the pressure sensor (11) and humidity sensor (10) are mounted on mounting hole (2-1)
It is interior, it is provided with detachable protective lid (2-2) on the mounting hole (2-1).
8. a kind of urban road emergency drainage device according to claim 6, it is characterised in that:The well lid cushion block (2)
There is segmental arc (2-3) at the position of well lid (1), the well lid (1) is fastened in segmental arc (2-3).
9. a kind of urban road emergency drainage device according to claim 1 or 2, it is characterised in that:Two neighboring support
Well lid rotation axis (4) is provided between wall (7), the well lid (1) is in well lid rotation axis (4).
10. a kind of urban road emergency drainage device according to claim 1 or 2, it is characterised in that:The vertical shaft (14)
For square well.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721588703.6U CN207499107U (en) | 2017-11-24 | 2017-11-24 | A kind of urban road emergency drainage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721588703.6U CN207499107U (en) | 2017-11-24 | 2017-11-24 | A kind of urban road emergency drainage device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207499107U true CN207499107U (en) | 2018-06-15 |
Family
ID=62506433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721588703.6U Expired - Fee Related CN207499107U (en) | 2017-11-24 | 2017-11-24 | A kind of urban road emergency drainage device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207499107U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108854084A (en) * | 2018-08-22 | 2018-11-23 | 深圳市远望淦拓科技有限公司 | A kind of platform turnover mechanism and amusement facility |
CN109797834A (en) * | 2019-01-26 | 2019-05-24 | 北京中建润通机电工程有限公司 | The ponding exhaust system of underground garage |
CN111395403A (en) * | 2020-03-27 | 2020-07-10 | 武汉理工大学 | Intelligent well lid capable of achieving classified drainage |
CN112982639A (en) * | 2021-03-22 | 2021-06-18 | 福建技术师范学院 | Intelligent well lid powered by new energy and lithium battery |
CN113216362A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and construction method thereof |
CN115506402A (en) * | 2022-09-23 | 2022-12-23 | 上海电器科学研究所(集团)有限公司 | Emergency flood control system for underground pipe gallery |
-
2017
- 2017-11-24 CN CN201721588703.6U patent/CN207499107U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108854084A (en) * | 2018-08-22 | 2018-11-23 | 深圳市远望淦拓科技有限公司 | A kind of platform turnover mechanism and amusement facility |
CN109797834A (en) * | 2019-01-26 | 2019-05-24 | 北京中建润通机电工程有限公司 | The ponding exhaust system of underground garage |
CN111395403A (en) * | 2020-03-27 | 2020-07-10 | 武汉理工大学 | Intelligent well lid capable of achieving classified drainage |
CN111395403B (en) * | 2020-03-27 | 2021-07-06 | 武汉理工大学 | Intelligent well lid capable of achieving classified drainage |
CN112982639A (en) * | 2021-03-22 | 2021-06-18 | 福建技术师范学院 | Intelligent well lid powered by new energy and lithium battery |
CN113216362A (en) * | 2021-04-19 | 2021-08-06 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and construction method thereof |
CN113216362B (en) * | 2021-04-19 | 2022-12-02 | 长安大学 | Automatic adjusting and cleaning gutter inlet system and application method thereof |
CN115506402A (en) * | 2022-09-23 | 2022-12-23 | 上海电器科学研究所(集团)有限公司 | Emergency flood control system for underground pipe gallery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207499107U (en) | A kind of urban road emergency drainage device | |
CN102852162B (en) | Water discharging manhole cover capable of automatically hoisting | |
CN108316354A (en) | With waterproof, the underground pipe gallery structure of drain function and its construction method | |
CN208088344U (en) | With waterproof, the underground pipe gallery structure of drain function | |
CN112031137A (en) | Urban rainwater-accumulation-preventing well lid | |
WO2020238986A1 (en) | Storm water management system and method for permeable pavement in sponge city | |
CN106013400A (en) | Integrated pipe network and water storage and drainage system for pavements | |
CN210834745U (en) | Bridge floor induction detection early warning device for liquid dangerous chemical leakage | |
KR20120071804A (en) | Irrigation experiment facilities for road | |
CN207686167U (en) | A kind of rain cover structure of no dewatering horizontal tube | |
CN110499789A (en) | A kind of floor structure pressure release construction method | |
CN215630124U (en) | Urban rainwater pipe gallery | |
CN205907782U (en) | Urban waterlogging early warning device | |
CN208633870U (en) | A kind of percolating water ejectment structure for wall in tunnel | |
CN115012593A (en) | Flood control roof water storage device for urban roof | |
CN207452705U (en) | A kind of bridge rhone with deodorant function | |
CN209760395U (en) | Municipal administration rainwater drainage system | |
CN208844710U (en) | A kind of up concave type greenbelt rainwater-collecting infiltration Box-shaped Drainage Culvert | |
CN106437842A (en) | Auxiliary transfer pump station of drainage tunnel in subway crossing | |
CN106351693A (en) | Water seepage drainage device used for tunnel and drainage method | |
CN207919722U (en) | A kind of modified can erect the trench cover that intercepts water | |
CN205591241U (en) | Drainage mechanism falls | |
CN211772819U (en) | Special water drain pipe of adjustable high formula highway reinforced concrete combination carriageway plate structure | |
CN210917653U (en) | Automatic drainage rainwater inspection well structure applied to coastal area | |
CN208870156U (en) | A kind of municipal drainage well switching device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20181124 |
|
CF01 | Termination of patent right due to non-payment of annual fee |