CN110230288A - A kind of automatic flood control wall device and its installation method in conjunction with lamppost - Google Patents
A kind of automatic flood control wall device and its installation method in conjunction with lamppost Download PDFInfo
- Publication number
- CN110230288A CN110230288A CN201910560094.0A CN201910560094A CN110230288A CN 110230288 A CN110230288 A CN 110230288A CN 201910560094 A CN201910560094 A CN 201910560094A CN 110230288 A CN110230288 A CN 110230288A
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- Prior art keywords
- flood
- wall
- column
- automatic
- dyke
- 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.)
- Pending
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- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The automatic flood control wall device and installation method that present disclose provides a kind of in conjunction with lamppost, comprising: dyke, multiple anti-flood walls, multiple lampposts;The lamppost is fixed on the dyke;One anti-flood wall is installed, the anti-flood wall can be along the column up-down between the two neighboring column;When non-flood period, the anti-flood wall is down in the dyke by the column;When flood season, the column rises the anti-flood wall out of described dyke.The disclosure uses concealed anti-flood wall, and flood control installation and urban landscape are combined together, Optimizing City layout, and the occupied area of dyke is greatly saved.
Description
Technical field
This disclosure relates to water conservancy and hydropower technical field more particularly to a kind of automatic flood control wall device in conjunction with lamppost and its
Installation method.
Background technique
The mankind are dwelt water from ancient times and are occupied, and city is built according to water mostly, and the city space in valley area is extremely limited.It is national related
City of the flood control standard for different scales, it is desirable that reach corresponding flood control standard, it is therefore desirable to build corresponding dyke, dyke
Top width requires have different width according to different brackets, in addition anti-slope etc., dyke takes up an area huge, many riverfront cities, due to accounting for
The factors such as ground, road, landscape, flood control dyke do not have the very high condition of construction, and dyke excessive height influences urban landscape, shadow
Ring people's requirement hydrophilic for river.The demands such as landscape in conjunction with city how are solved, dyke is built without excessively high and reaches
The problem of corresponding flood control standard in city, the automatic flood-proof technology for needing a kind of combinations such as with Municipal solve the above problems.
Disclosure
(1) technical problems to be solved
Huge in view of the land occupation of the above existing dike, excessive height influences urban, and it is hydrophilic for river to influence the people
It is required that the automatic flood control wall device that present disclose provides a kind of in conjunction with lamppost, it is therefore intended that not excessively high to repair in conjunction with urban landscape
Watch out for and reach the corresponding flood control standard in city, proposes a kind of automatic flood control wall device and its installation method in conjunction with lamppost.
(2) technical solution
The automatic flood control wall device that present disclose provides a kind of in conjunction with lamppost, comprising: dyke, multiple anti-flood walls, multiple
Lamppost;
The lamppost is fixed on the dyke;
One anti-flood wall is installed, the anti-flood wall can be along the column up-down between the two neighboring column;It is non-
When flood season, the anti-flood wall is down in the dyke by the column;When flood season, the column is by the anti-flood wall from the dike
It is risen in anti-.
In embodiment of the disclosure, the lamppost includes: column and street lamp;
Concrete pedestal and anti-flood wall resettlement groove are equipped in the dyke, the column is fixed on concrete pedestal;
The column top is provided with motor, and the motor is arranged in the guiding groove on the column top, electricity
Motivation axis dead block, the reel are wound with steel wire, and the steel wire other end connects flood baffle suspension hook;
The anti-flood wall is hung on the flood baffle suspension hook, and under the driving of the motor, the anti-flood wall can edge
Guiding groove lifting, when non-flood period, the anti-flood wall is down in the anti-flood wall resettlement groove.
In embodiment of the disclosure, rubber water-proof is set in the guiding groove, and the rubber water-proof both ends are drawn with described
Guide groove and the anti-flood wall are in close contact, and water is avoided to enter inside the column.
In embodiment of the disclosure, the bottom end of the guiding groove is provided with blocking device, after the anti-flood wall rises,
Anti-flood wall described in the blocking device locking, to prevent the anti-flood wall from sliding automatically;It is described when the anti-flood wall need to land
Blocking device receives open signal automatic opening.
In embodiment of the disclosure, further includes: water level sensor and automatic control system;The automatic control system root
According to the water level signal of the water level sensor, lifting instruction is sent from motor described in trend.
In embodiment of the disclosure, the anti-flood wall uses lightweight aluminium.
In embodiment of the disclosure, the material of the column is steel or concrete.
The disclosure additionally provides a kind of installation method of automatic flood control wall device in conjunction with lamppost, comprising:
Step S1: excavating dyke, forms anti-flood wall resettlement groove and foundation pit, embedded bar in foundation pit;
Step S2: anti-flood wall is put into anti-flood wall resettlement groove;
Step S3: being put into the foundation pit in dyke for prefabricated column, and column be connected with the reinforcing bar in foundation pit, cast-in-place mixed
Solidifying soil, forms concrete pedestal;
Step S4: installation motor and automatic control system and street lamp on column, the dead block on motor reel,
The steel wire other end is connected into flood baffle suspension hook, it will be on anti-flood wall carry flood baffle suspension hook.
(3) beneficial effect
(1) it is designed using concealed anti-flood wall, when non-flood period can be hidden in dyke, greatly reduce to river and lake landscape
It blocks, greatlys save dyke occupied area;
(2) in such a way that street lamp and dyke combine, flood control installation is combined together with urban landscape, Optimizing City cloth
Office;
(3) bottom end of guiding groove is provided with blocking device, after anti-flood wall rises, blocking device locking is to prevent from controlling flood
Wall slides automatically, simultaneously closes off motor, and when anti-flood wall need to land, blocking device receives open signal automatic opening.
Detailed description of the invention
Fig. 1 is the top view of the automatic flood control wall device in conjunction with lamppost of the embodiment of the present disclosure;
Fig. 2 is the partial enlarged view of A in Fig. 1;
Fig. 3 is the front view of the automatic flood control wall device in conjunction with lamppost of the embodiment of the present disclosure, shows anti-flood wall liter
The state of rising;
Fig. 4 is the partial enlarged view of B in Fig. 3;
Fig. 5 is the side view of the automatic flood control wall device in conjunction with lamppost of the embodiment of the present disclosure, shows anti-flood wall liter
The state of rising;
Fig. 6 is the partial enlarged view of C in Fig. 5;
Fig. 7 is the front view of the automatic flood control wall device in conjunction with lamppost of the embodiment of the present disclosure, display anti-flood wall drop
Lower state;
Fig. 8 is the side view of the automatic flood control wall device in conjunction with lamppost of the embodiment of the present disclosure, display anti-flood wall drop
Lower state;
Fig. 9 is the flow chart of the installation method of automatic flood control wall device of the embodiment of the present disclosure in conjunction with lamppost.
[symbol description]
1, concrete pedestal;2, anti-flood wall;3, column;4, street lamp;5, dyke;6, motor and automatic control system;7,
Reel;8, rubber water-proof;9, the card slot of steel rubber water-proof;10, flood baffle suspension hook;11, motor reel;12, steel wire;13,
Blocking device;14, anti-flood wall resettlement groove upper sideline;15, anti-flood wall resettlement groove lower sideline.
Specific embodiment
Below in conjunction with the attached drawing in embodiment and embodiment, to the technical solution in the embodiment of the present disclosure carry out it is clear,
Complete description.Obviously, described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Base
Embodiment in the disclosure, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment belongs to the range of disclosure protection.
The embodiment of the present disclosure provides a kind of automatic flood control wall device in conjunction with lamppost, referring to shown in Fig. 1 to Fig. 8, wraps
It includes: dyke 5, multiple anti-flood walls 2, multiple lampposts.
There are multiple anti-flood wall resettlement grooves, multiple concrete pedestals 1, along the length direction of dyke 5, flood control inside dyke 5
Wall resettlement groove distributes alternately with concrete pedestal 1.
Lamppost is fixed on concrete pedestal 1, comprising: column 3 and street lamp 4.Column 3 is fixed on concrete pedestal 1, road
Lamp 4 is fixed on 3 top of column, so that flood control is blended with urban landscape.3 top of column is provided with motor and automatically controls system
System 6.
Motor and automatic control system 6 include: motor and automatic control system.Motor is arranged on 3 top of column
Guiding groove in, the motor reel 11 of motor is located at the two sides of column 3, towards adjacent column 3.The fixed volume of motor reel 11
Cylinder 7, reel 7 are wound with steel wire 12, and 12 other end of steel wire connects flood baffle suspension hook 10.
An anti-flood wall 2 is provided between two neighboring column 3, anti-flood wall 2 is hung on flood baffle suspension hook 10, can be along vertical
Column 3 is gone up and down, and can be located in anti-flood wall resettlement groove or above anti-flood wall resettlement groove.When non-flood period, anti-flood wall 2 is in anti-flood wall peace
It sets in slot, the bottom of anti-flood wall 2 contacts anti-flood wall resettlement groove lower sideline 15, and top contacts anti-flood wall resettlement groove upper sideline 14.Flood
When the phase, column 3 rises anti-flood wall 2, and anti-flood wall 2 is located at 5 top of dyke.
The guiding groove axially extending along column 3 is provided on column 3, the both ends of 2 horizontal direction of anti-flood wall are respectively embedded in
In the guiding groove of two neighboring column 3.Rubber water-proof 8 is set in the guiding groove, and the rubber water-proof 8 is for preventing water from entering
3 internal damage electromechanical equipment of column.8 both ends of rubber water-proof and the close contact of guiding groove and anti-flood wall 2 reach sealing effect, described
Card slot 9 is provided in guiding groove, the rubber water-proof 8 is fixed in the card slot 9 of steel rubber water-proof.
Concrete pedestal 1, which is set to, watches out for inside, and anti-flood wall 2 transmits when Assurance of Size is able to bear corresponding flood level
Stable structure in the case where the gravity such as pressure and column 3, electric system.
Anti-flood wall 2 uses lightweight aluminium, and length and the height water pressure according to caused by gear flood level of anti-flood wall 2 are true
It is fixed.
Column 3 uses steel or concrete material, the structure size of column 3 water pressure according to caused by gear flood level and
Component gravity etc. determines.When column 3 is steel member, size is thin compared with concrete component, and precision is easily controllable.Column 3 is coagulation
When native component, size is larger.Column 3 can also be built jointly using concrete and steel.
Motor and automatic control system 6 are that lifting anti-flood wall 2 provides power, and anti-flood wall 2 is risen when needing to control flood, non-
It is fallen when flood control in anti-flood wall 2 to dyke 5.When needing to rise anti-flood wall 2, automatic control system controls 11 turns of motor reel
Dynamic, motor reel 11 drives anti-flood wall 2 to be raised up to dyke 2 out of anti-flood wall resettlement groove by steel wire 12, flood baffle suspension hook 10
Top.When needing to fall anti-flood wall 2, automatic control system control motor reel 11 rotate, motor reel 11 by steel wire 12,
Anti-flood wall 2 is down in anti-flood wall resettlement groove by flood baffle suspension hook 10.
The automatic flood control wall device of the present embodiment further include: water level sensor.Automatic control system and water level sensor phase
Even, automatic control system sends lifting instruction from trend motor, or in response to people according to the water level signal of water level sensor
Lifting instruction is sent to motor for control signal.
The column 3 of the present embodiment, the bottom end of guiding groove are provided with blocking device 13, after anti-flood wall 2 rises, locking dress
13 locking anti-flood walls 2 are set, to prevent anti-flood wall 2 from sliding automatically, simultaneously close off motor.When anti-flood wall 2 need to land, locking dress
It sets 13 and receives the automatic opening of 13 open signal of blocking device, be down to anti-flood wall 2 in anti-flood wall resettlement groove.
The embodiment of the present disclosure additionally provides a kind of installation method of automatic flood control wall device in conjunction with lamppost, such as Fig. 9 institute
Show comprising following steps:
Step S1: excavating dyke 5, forms anti-flood wall resettlement groove and foundation pit, embedded bar in foundation pit.
Step S2: anti-flood wall 2 is put into anti-flood wall resettlement groove.
Step S3: being put into the foundation pit in dyke 5 for prefabricated column 3, and column 3 be connected with the reinforcing bar in foundation pit, existing
Pouring concrete forms concrete pedestal 1.
In the step, rubber water-proof 8 and blocking device 13 etc. are mounted on column 3 in advance, and prefabricated column 3 is put
Enter the foundation pit in dyke 5.
Step S4: installing motor and automatic control system and street lamp 4 on column 3, fixed on motor reel 11
12 other end of steel wire is connected flood baffle suspension hook 10 by reel 7, will be on 2 carry flood baffle suspension hook 10 of anti-flood wall.
Before the automatic flood control wall device of installation, the parameter of automatic flood control wall device is also predefined, comprising: dyke 5, column
3, the parameter of anti-flood wall 2, concrete pedestal 1, motor and steel wire 12 etc..
Firstly, determine design flood level according to flood control standard and Correlative plan, column 3 and anti-flood wall 2 are determined
Highly.
Then, it is determined that needing to be arranged the length of the dyke 5 of automatic flood control wall device, the spacing and list of column 3 are primarily determined
The length of a anti-flood wall 2.
Then, the material of anti-flood wall 2 is determined according to water pressure, gravity, the deformation requirements etc. of anti-flood wall 2 according to programme
Material and thickness.
Secondly, according to parameters such as the height of anti-flood wall 2, length, thickness and materials, column 3 and concrete pedestal 1 are determined
The parameters such as material and thickness.
Finally, determining the parameters such as anti-flood wall 2 and frictional force, the gravity of rubber water-proof 8, the power and steel wire of motor are calculated
12 diameter.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and not only limiting
Various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out simply more it
Change or replaces, such as:
(1) direction term mentioned in embodiment, such as "upper", "lower", "front", "rear", "left", "right" etc. are only ginsengs
The direction of attached drawing is examined, not is used to limit the protection scope of the disclosure;
(2) above-described embodiment can be based on the considerations of design and reliability, and the collocation that is mixed with each other uses or and other embodiments
Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (8)
1. a kind of automatic flood control wall device in conjunction with lamppost, it is characterised in that: include: dyke, multiple anti-flood walls, multiple lamps
Column;
The lamppost is fixed on the dyke;
One anti-flood wall is installed, the anti-flood wall can be along the column up-down between the two neighboring column;Non-flood period
When, the anti-flood wall is down in the dyke by the column;When flood season, the column is by the anti-flood wall out of described dyke
It rises.
2. automatic flood control wall device as described in claim 1, it is characterised in that:
The lamppost includes: column and street lamp;
Concrete pedestal and anti-flood wall resettlement groove are equipped in the dyke, the column is fixed on concrete pedestal;
The column top is provided with motor, and the motor is arranged in the guiding groove on the column top, motor
Axis dead block, the reel are wound with steel wire, and the steel wire other end connects flood baffle suspension hook;
The anti-flood wall is hung on the flood baffle suspension hook, and under the driving of the motor, the anti-flood wall can be along described
Guiding groove lifting, when non-flood period, the anti-flood wall is down in the anti-flood wall resettlement groove.
3. automatic flood control wall device as claimed in claim 2, it is characterised in that: rubber water-proof, institute are arranged in the guiding groove
It states rubber water-proof both ends and the guiding groove and the anti-flood wall is in close contact, water is avoided to enter inside the column.
4. automatic flood control wall device as claimed in claim 2, it is characterised in that: the bottom end of the guiding groove is provided with locking dress
It sets, after the anti-flood wall rises, anti-flood wall described in the blocking device locking, to prevent the anti-flood wall from sliding automatically;When
When the anti-flood wall need to land, the blocking device receives open signal automatic opening.
5. automatic flood control wall device as claimed in claim 2, it is characterised in that: further include: water level sensor and automatic control
System;The automatic control system sends lifting finger from motor described in trend according to the water level signal of the water level sensor
It enables.
6. automatic flood control wall device according to claim 1, it is characterised in that: the anti-flood wall uses lightweight aluminium.
7. automatic flood control wall device according to claim 1, it is characterised in that: the material of the column is steel or coagulation
Soil.
8. a kind of installation method of the automatic flood control wall device in conjunction with lamppost characterized by comprising
Step S1: excavating dyke, forms anti-flood wall resettlement groove and foundation pit, embedded bar in foundation pit;
Step S2: anti-flood wall is put into anti-flood wall resettlement groove;
Step S3: being put into the foundation pit in dyke for prefabricated column, and column be connected with the reinforcing bar in foundation pit, cast-in-place coagulation
Soil forms concrete pedestal;
Step S4: motor and automatic control system and street lamp, the dead block on motor reel, by steel are installed on column
The silk other end connects flood baffle suspension hook, will be on anti-flood wall carry flood baffle suspension hook.
Priority Applications (1)
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CN201910560094.0A CN110230288A (en) | 2019-06-25 | 2019-06-25 | A kind of automatic flood control wall device and its installation method in conjunction with lamppost |
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CN201910560094.0A CN110230288A (en) | 2019-06-25 | 2019-06-25 | A kind of automatic flood control wall device and its installation method in conjunction with lamppost |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201620403U (en) * | 2010-02-07 | 2010-11-03 | 孟俊青 | Levee raising device used for urban flood control |
CN106120642A (en) * | 2016-08-09 | 2016-11-16 | 华北水利水电大学 | Hydraulic automatism lifting anti-flood wall and automatic lifting method |
CN206477317U (en) * | 2017-02-23 | 2017-09-08 | 陈悦纳 | One kind is used for Liftable type water retaining device in urban river |
CN107338761A (en) * | 2016-11-24 | 2017-11-10 | 国家电网公司 | Concealed flood control system |
CN210621607U (en) * | 2019-06-25 | 2020-05-26 | 水利部水利水电规划设计总院 | Automatic flood control wall device combined with lamp post |
-
2019
- 2019-06-25 CN CN201910560094.0A patent/CN110230288A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201620403U (en) * | 2010-02-07 | 2010-11-03 | 孟俊青 | Levee raising device used for urban flood control |
CN106120642A (en) * | 2016-08-09 | 2016-11-16 | 华北水利水电大学 | Hydraulic automatism lifting anti-flood wall and automatic lifting method |
CN107338761A (en) * | 2016-11-24 | 2017-11-10 | 国家电网公司 | Concealed flood control system |
CN206477317U (en) * | 2017-02-23 | 2017-09-08 | 陈悦纳 | One kind is used for Liftable type water retaining device in urban river |
CN210621607U (en) * | 2019-06-25 | 2020-05-26 | 水利部水利水电规划设计总院 | Automatic flood control wall device combined with lamp post |
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