CN111501654A - Flood bank device based on water level self-adjustment and operation method thereof - Google Patents
Flood bank device based on water level self-adjustment and operation method thereof Download PDFInfo
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- CN111501654A CN111501654A CN202010295625.0A CN202010295625A CN111501654A CN 111501654 A CN111501654 A CN 111501654A CN 202010295625 A CN202010295625 A CN 202010295625A CN 111501654 A CN111501654 A CN 111501654A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- 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
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
- E02B3/102—Permanently installed raisable dykes
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- 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
- E02B3/16—Sealings or joints
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The invention provides a flood bank device based on water level self-regulation and an operation method thereof. The device and the method enable the flood control height to realize the function of automatic adjustment, and greatly improve the flood control efficiency.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a flood bank device based on water level self-adjustment and an operation method thereof.
Background
The flood control dike is a defensive structure positioned at two sides of a river channel and is mainly used for controlling flood so as to ensure the safety of land at two sides of the river channel. In the traditional type of protective embankment, most of the protective embankments are permanent structures built by earth and stone or concrete, the whole structure of the protective embankment is completely fixed after construction is finished, and cannot be adjusted and changed according to different flood levels; few parts adopt novel materials and processes, so that convenience and flexibility are improved, but flood fighting strength is sacrificed.
In the prior art, there is only one solution that can achieve the above-mentioned "self-adjusting the height of the flood bank according to the height of the flood", i.e. the "portable self-service flood bank" disclosed in patent CN 201020120371.0. However, the flood bank device in the above scheme belongs to a temporary device, which improves convenience to a certain extent, but is extremely insufficient in strength, stability and the like, and when a large flood occurs, especially when silt, stones or other foreign matters are entrained in water flow, the safety of use cannot be ensured; moreover, professional technicians are required to address and arrange the site before use, adjust the device during use to adapt to the flood level and monitor to ensure safe use, and to recover the device after use, which is a cumbersome operation process.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flood control dam device based on water level self-adjustment and an operation method thereof, wherein the flood control height realizes the function of automatically adjusting, and the flood control efficiency is greatly improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a flood bank device based on water level self-interacting, including flood bank foundation, flood bank foundation top is equipped with filtering wall body and flood control board wall body, be equipped with flood control passageway in the flood bank foundation, be equipped with the clearance with flood control passageway intercommunication between filtering wall body and the flood control board wall body, flood control board wall body includes flood control board outer wall and flood control board inner wall, be equipped with flood control board installation cavity between flood control board outer wall and the flood control board inner wall, flood control board installs in flood control board installation cavity, flood control board installation cavity passes through intercommunication chamber and clearance intercommunication, the clearance is equipped with communicating pipe, the communicating pipe lower extreme is equipped with the connecting pipe, connecting pipe one end is connected with the intercommunication chamber, the other end is equipped with one-way operating mechanism.
In a preferred scheme, the opening and closing mechanism comprises an opening and closing plate arranged on the outer side of the connecting pipe, and one side of the opening and closing plate is hinged with the connecting pipe.
In the preferred scheme, flood control board lower extreme is equipped with spacing portion, and flood control board installation cavity upper portion is equipped with carries out spacing block portion to spacing portion, and the backwater side of flood control board wall body is equipped with the access hole with flood control board installation cavity intercommunication, and the access hole is equipped with the access hole apron.
In the preferred scheme, the bottom of the flood control plate is provided with a sealing layer, and a spring is arranged between the sealing layer and the bottom of the flood control plate installation cavity.
In the preferred scheme, a plurality of filtering gaps with lower ends communicated with the flood control channel are arranged on the filtering wall, and the filtering gaps are communicated by a transversely arranged communicating cavity arranged on the filtering wall.
In the preferred scheme, the end part of the communicating cavity communicated with the gap is provided with a sand filtering net, and the gap and/or the flood control channel are/is provided with a plurality of flexible sand control cloths.
In a preferred scheme, the flood control channel is obliquely arranged, and one end of the flood control channel close to the water-facing side is lower than the other end of the flood control channel.
In the preferred scheme, be equipped with in the flood control board with emergent flood control board complex mounting groove, be equipped with the pneumatic cylinder between mounting groove bottom and the emergent flood control board, the side of meeting water of flood control board is equipped with level sensor.
In the preferred scheme, flood control board wall body top is equipped with carries out the folding supporting mechanism who supports the flood control board, and folding supporting mechanism includes fixed part, movable part and backup pad, and the tip at the fixed part is installed in the rotation of first pivot to the one end of movable part, and the backup pad passes through the second pivot and rotates the tip of installing at the movable part.
The invention also provides an operation method of the flood bank device based on water level self-adjustment, which comprises the following steps:
step one, when a flood comes, the water level starts to rise in stage I, and the flood rises to the top of the flood control dike from the foundation of the flood control dike;
step two, the water level rises at the stage II, flood rises from the top of the foundation of the flood protection dike to the top of the communicating pipe, and the flood passes through each filtering gap in sequence at the stage;
step three, the water level continues rising, the water level starts rising in the stage III, flood rises from the top of the communicating pipe to the top of the flood control plate, water flow enters the flood control plate installation cavity through the communicating cavity, and the flood control plate rises by utilizing the water pressure difference at two sides;
step four, the water level exceeds the emergency water level, the water level rises at the stage IV, the water level rises from the top of the flood control plate to the top of the emergency flood control plate, and the hydraulic cylinder is started to enable the emergency flood control plate to rise, so that the flood control height is improved;
and step five, the water level begins to fall, the water level is lower than the emergency water level, the hydraulic cylinder is started, the emergency flood control plate falls, when the water level falls to the top of the communicating pipe, the one-way opening and closing mechanism is opened, water in the flood control plate installation cavity is discharged from the connecting pipe, the flood control plate falls, the water level continues to fall, and residual water is discharged from the flood control channel.
According to the flood bank device based on water level self-adjustment and the operation method, when the water level rises, the rise and fall of the flood control plate are controlled by means of the water pressure difference, and the self-adjustment of the flood control height is realized. Preferably, through setting up filtering gap and intercommunication cavity, can realize the rivers buffering, stabilize the ripples of water, reduce surging of sand, the sand of entering can be followed the discharge of flood control passageway, prevents to block up.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic side cross-sectional view of the present invention;
FIG. 2 is a schematic view of the installation of the sand screen of the present invention;
FIG. 3 is a schematic structural view of a communication pipe according to the present invention;
FIG. 4 is a schematic view of the one-way opening and closing mechanism of the present invention in an open state;
fig. 5 is a schematic view of the installation of the emergency flood barrier of the present invention;
FIG. 6 is a schematic view of the folding support mechanism of the present invention;
FIG. 7 is a perspective view of the present invention;
in the figure: flood control bank basis 1, filtering wall body 2, flood control board wall body 3, clearance 4, flood control board 5, communicating pipe 6, connecting pipe 7, open and close board 8, block portion 9, access hole apron 10, sealing layer 11, spring 12, sand screen 13, flexible sand prevention cloth 14, emergent flood control board 15, pneumatic cylinder 16, level sensor 17, fixed part 18, movable part 19, backup pad 20, first pivot 21, second pivot 22, flood control passageway 101, filtering clearance 201, intercommunication cavity 202, flood control board outer wall 301, flood control board inner wall 302, flood control board installation cavity 303, communicating cavity 304, access hole 305, spacing portion 501, mounting groove 501.
Detailed Description
As shown in fig. 1 and 7, a flood bank apparatus based on water level self-regulation comprises a flood bank foundation 1, wherein a filtering wall body 2 and a flood control board wall body 3 are arranged at the top of the flood bank foundation 1, the filtering wall body 2 is arranged at the water facing side, a flood control channel 101 is arranged in the flood bank foundation 1, the flood control channel 101 is transversely arranged, a gap 4 communicated with the flood control channel 101 is arranged between the filtering wall body 2 and the flood control board wall body 3, the gap 4 is vertically arranged, a cover plate is arranged at the top of the gap 4, the flood control board wall body 3 comprises a flood control board outer wall 301 and a flood control board inner wall 302, a flood control board mounting cavity 303 is arranged between the flood control board outer wall 301 and the flood control board inner wall 302, a flood control board 5 is arranged in the flood control board mounting cavity 303, the flood control board mounting cavity 303 is communicated with the gap 4 through a communicating cavity 304, a communicating pipe 6 is arranged in the gap 4, a connecting pipe 7 is arranged at the lower end of the communicating, one end of the connecting pipe 7 is connected with the communicating cavity 304, specifically, the end of the connecting pipe 4 is connected with the communicating cavity 304 through a flange and a screw, and the other end is provided with a one-way opening and closing mechanism, in this embodiment, as shown in fig. 3 and 4, the opening and closing mechanism comprises an opening and closing plate 8 arranged outside the connecting pipe 7, the upper side of the opening and closing plate 8 is hinged to the connecting pipe 7, and the lower side of the opening and closing plate abuts against the outside of the connecting pipe 7.
During the specific use, the water level rises, and flood control embankment foundation 1 carries out the flood control, and rivers rise to flood control passageway 101, and from flood control passageway 101 entering clearance 4, the water level continues to rise, and rise to behind 6 tops communicating pipe, rivers get into communicating pipe 6, along connecting pipe 7 and communicating chamber 304 get into in flood control board installation cavity 303, because the pressure differential between clearance 4 and the flood control board installation cavity 303 promotes flood control board 5 to automatically regulated improves the flood control height.
Preferably, the flood control channel 101 is inclined, and one end of the flood control channel close to the water-facing side is lower than the other end of the flood control channel. Silt carried by the water flow entering flood control channel 101 is discharged along flood control channel 101 after being precipitated, so as to prevent flood control channel 101 from being blocked.
Preferably, flood control board 5 lower extreme is equipped with spacing portion 501, and flood control board installation cavity 303 upper portion is equipped with carries out spacing block portion 9 to spacing portion 501, and the in-process that prevents flood control board 5 from rising breaks away from flood control board installation cavity 303 through block portion 9 and spacing portion 501 spacing.
The bottom of the flood control plate 5 is provided with a sealing layer 11, and a spring 12 is arranged between the sealing layer 11 and the bottom of the flood control plate installation cavity 303. Guarantee the leakproofness between flood protection board 5 and the flood protection board installation cavity 303 through setting up sealing layer 11, through setting up spring 12, when being favorable to the water level to reduce, the fall back of flood protection board 5.
The side of the flood protection wall body 3 that is out of the water is equipped with the access hole 305 with flood protection installation cavity 303 intercommunication, and the access hole 305 is equipped with access hole apron 10. By providing a manhole 305. The flood control plate installation cavity 303 is convenient to overhaul and clean.
The filtering wall 2 is provided with a plurality of filtering gaps 201 with lower ends communicated with the flood control channel 101, and the filtering wall 2 is provided with a communicating cavity 202 which is transversely arranged and used for communicating the filtering gaps 201.
When the flood impacts the filter wall 2, the water flow enters the filter gap 201 from the communication cavity 202, and the water flow is buffered.
Preferably, the communicating cavity 202 close to the water-facing side gradually shrinks from outside to inside, so that the water wave can be effectively stabilized.
Preferably, the end of the communicating cavity 202 communicating with the gap 4 is provided with a sand screen 13, and the gap 4 and/or the flood protection channel 101 is provided with a plurality of flexible sand screens 14. The flexible sand-proof cloth 14 can adopt an industrial nylon filter screen with the brand of Sidebao, the model of 157668281176109 and the filter hole of 200 meshes, and the flexible sand-proof cloth 14 is hung by a spring hook and can move in a simple harmonic manner in a local range along with water flow. The flexible sand control cloth 14 can effectively reduce the influx of silt, so that the silt can be collected and discharged in the flood control channel 101.
The sand filtering net 13 can adopt an industrial grade nylon filtering net with a brand of Sidebao, a model of 157668281176109 and 400-mesh filtering holes. As shown in fig. 2, mounting grooves may be formed at both ends of the communicating cavity 202 communicating with the gap 4, fixing plates may be disposed around the sand filtering net 13, and the sand filtering net 13 may be mounted in the mounting grooves by inserting the fixing plates into the mounting grooves, thereby facilitating the detachment.
Preferably, as shown in fig. 5, as shown in the figure, a mounting groove 502 matched with the emergency flood control plate 15 is arranged in the flood control plate 5, a hydraulic cylinder 16 is arranged between the bottom of the mounting groove 502 and the emergency flood control plate 15, a water level sensor 17 is arranged on the water facing side of the flood control plate 5, the water level sensor 17 is arranged on the upper portion of the flood control plate 5, the water level sensor can adopt a water level sensor with a brand of Coolpad and a model of qf8OBy, and the hydraulic cylinder 16 can be selected as an electrically controlled hydraulic cylinder with a brand of tai-constancy and a model of tg.
Can monitor the water level through setting up water level sensor 17, the water level line rises to water level sensor 17 position back, and water level sensor 17 transmission signal gives the controller, and the optional equipment such as singlechip or computer of controller, controller control pneumatic cylinder 16 move, make pneumatic cylinder 16 extension, and emergent flood control board 15 rises, improves flood control height.
When the water level rises to the position of the water level sensor 17, the water level is considered to be more likely to exceed the emergency water level in the future, so that the emergency flood control board 15 is called to ensure the safety of flood fighting.
Preferably, as shown in fig. 6, a folding support mechanism for supporting the flood control board 5 is disposed on the top of the flood control board wall 3, and the folding support mechanism includes a fixed portion 18, a movable portion 19 and a support plate 20, one end of the movable portion 10 is rotatably mounted at an end of the fixed portion 18 through a first rotating shaft 21, and the support plate 20 is rotatably mounted at an end of the movable portion 19 through a second rotating shaft 22.
The first and second rotating shafts 21 and 22 are driven by motors, respectively. Rotate through first pivot 21 of motor control and second pivot 22, behind the water level line rose to water level sensor 17 position, water level sensor 17 transmission signal gave the controller, two motors of controller control start, make first pivot 21 and second pivot 22 rotate, make backup pad 20 support at emergent flood control board 15, support emergent flood control board 15, improve flood control intensity.
An operation method of a flood bank device based on water level self-regulation comprises the following steps:
determining the most suitable size and parameters of each part according to the specific information of the construction site such as the related geology, hydrology and the like, and completing construction and debugging work in the dry season; will be provided with
Step one, when a flood comes, the water level rises at the stage I, the flood rises from the foundation 1 of the flood bank to the top of the foundation, and in the stage, the sand filtering net 13 and the flexible sand prevention cloth 14 can stabilize water waves and reduce the inflow of external silt;
step two, the water level rises at the stage II, flood rises from the top of the flood bank foundation 1 to the top of the communicating pipe 6, in the stage, the flood passes through each filtering gap 201 in sequence, the sand filtering net 13 can filter silt, and the entering amount of the silt in the gap 4 is reduced, and because of the arranged one-way opening and closing mechanism, water flow cannot enter from the connecting pipe 7 and only can enter from the top of the communicating pipe 6;
step three, the water level continues to rise, the water level starts rising in the stage III, flood rises from the top of the communicating pipe 6 to the top of the flood control plate 5, water flow enters the flood control plate installation cavity 303 through the communicating cavity 304, and the flood control plate 5 rises by utilizing the water pressure difference at the two sides;
step four, the water level exceeds the emergency water level, the water level starts to rise in the stage IV, the water level rises from the top of the flood control plate 5 to the top of the emergency flood control plate 15, the hydraulic cylinder 16 is started to enable the emergency flood control plate 15 to rise, the flood control height is improved, meanwhile, the folding supporting mechanism is started, and the supporting plate 20 supports the emergency flood control plate 15;
step five, the water level begins to descend, and the water level is less than emergent water level, and pneumatic cylinder 16 starts, and emergent flood protection plate 15 descends, and folding supporting mechanism starts, folds to initial position, and after the water level reduced to communicating pipe 6 top, one-way starting and stopping mechanism opened, and the water in flood protection plate installation cavity 303 is discharged from connecting pipe 7, and flood protection plate 5 steadily descends under the effect of spring 12, and the water level continues to descend, and the residual water is discharged from flood protection passageway 101.
Claims (10)
1. The utility model provides a breakwater device based on water level self-interacting, includes breakwater basis (1), its characterized in that: flood control bank basis (1) top is equipped with filtering wall body (2) and flood control board wall body (3), be equipped with flood control passageway (101) in flood control bank basis (1), be equipped with clearance (4) with flood control passageway (101) intercommunication between filtering wall body (2) and flood control board wall body (3), flood control board wall body (3) are including flood control board outer wall (301) and flood control board inner wall (302), be equipped with flood control board installation cavity (303) between flood control board outer wall (301) and flood control board inner wall (302), install in flood control board installation cavity (303) flood control board (5), flood control board installation cavity (303) are through intercommunication chamber (304) and clearance (4) intercommunication, clearance (4) are equipped with communicating pipe (6), communicating pipe (6) lower extreme is equipped with connecting pipe (7), connecting pipe (7) one end is connected with intercommunication chamber (304), the other end is equipped with one-way opening and closing mechanism.
2. The flood bank device based on water level self-adjustment according to claim 1, wherein: the opening and closing mechanism comprises an opening and closing plate (8) arranged on the outer side of the connecting pipe (7), and one side of the opening and closing plate (8) is hinged with the connecting pipe (7).
3. The flood bank device based on water level self-adjustment according to claim 1, wherein: flood control board (5) lower extreme is equipped with spacing portion (501), and flood control board installation cavity (303) upper portion is equipped with carries out spacing block portion (9) to spacing portion (501), and the backwater side of flood control board wall body (3) is equipped with access hole (305) with flood control board installation cavity (303) intercommunication, and access hole (305) are equipped with access hole apron (10).
4. The flood bank device based on water level self-adjustment according to claim 1, wherein: the bottom of the flood control plate (5) is provided with a sealing layer (11), and a spring (12) is arranged between the sealing layer (11) and the bottom of the flood control plate installation cavity (303).
5. The flood bank device based on water level self-adjustment according to claim 1, wherein: the filtering wall body (2) is provided with a plurality of filtering gaps (201) with lower ends communicated with the flood control channel (101), and the filtering wall body (2) is provided with a communicated cavity (202) which is transversely arranged to communicate the filtering gaps (201).
6. The flood bank device based on water level self-adjustment according to claim 5, wherein: the end part of the communicating cavity (202) communicated with the gap (4) is provided with a sand filtering net (13), and the gap (4) and/or the flood control channel (101) are/is provided with a plurality of flexible sand control cloth (14).
7. The flood bank device based on water level self-adjustment according to claim 1, wherein: the flood control channel (101) is obliquely arranged, and one end of the flood control channel close to the water-facing side is lower than the other end of the flood control channel.
8. The flood bank device based on water level self-adjustment according to claim 1, wherein: be equipped with in flood control board (5) with emergent flood control board (15) complex mounting groove (502), be equipped with between mounting groove (502) bottom and emergent flood control board (15) pneumatic cylinder (16), the side of meeting water of flood control board (5) is equipped with level sensor (17).
9. The flood bank device based on water level self-adjustment according to claim 1, wherein: flood control board wall body (3) top is equipped with carries out the folding supporting mechanism who supports flood control board (5), and folding supporting mechanism includes fixed part (18), movable part (19) and backup pad (20), and the tip at fixed part (18) is installed in the rotation of the one end of movable part (10) through first pivot (21), and backup pad (20) rotate through second pivot (22) and install the tip at movable part (19).
10. An operation method of a flood bank device based on water level self-regulation is characterized by comprising the following steps:
step one, when a flood comes, the water level starts to rise in a stage I, and the flood rises to the top of the foundation of the flood bank (1);
step two, the water level rises at the stage II, flood rises from the top of the flood bank foundation (1) to the top of the communicating pipe (6), and in the stage, the flood passes through each filtering gap (201) in sequence;
step three, the water level continues to rise, the water level starts rising in the stage III, flood rises from the top of the communicating pipe (6) to the top of the flood control plate (5), water flow enters the flood control plate installation cavity (303) through the communicating cavity (304), and the flood control plate (5) rises by utilizing the water pressure difference of the two sides;
step four, the water level exceeds the emergency water level, the water level starts to rise in the stage IV, the water level rises from the top of the flood control plate (5) to the top of the emergency flood control plate (15), and the hydraulic cylinder (16) is started to enable the emergency flood control plate (15) to rise, so that the flood control height is improved;
step five, the water level begins to descend, and the water level is less than emergent water level, and pneumatic cylinder (16) start, and emergent flood control board (15) descend, and after the water level reduced to communicating pipe (6) top, one-way starting and stopping mechanism opened, and the water in flood control board installation cavity (303) is discharged from connecting pipe (7), and flood control board (5) descend, and the water level continues to descend, and the residual water is discharged from flood control passageway (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295625.0A CN111501654A (en) | 2020-04-15 | 2020-04-15 | Flood bank device based on water level self-adjustment and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295625.0A CN111501654A (en) | 2020-04-15 | 2020-04-15 | Flood bank device based on water level self-adjustment and operation method thereof |
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| CN111501654A true CN111501654A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010295625.0A Pending CN111501654A (en) | 2020-04-15 | 2020-04-15 | Flood bank device based on water level self-adjustment and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982286A (en) * | 2021-03-10 | 2021-06-18 | 山东农业大学 | Flood bank device based on water level self-adjustment |
| CN114908707A (en) * | 2022-04-22 | 2022-08-16 | 陈文元 | Water conservancy flood control method |
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| CN103031821A (en) * | 2012-12-12 | 2013-04-10 | 河海大学 | Opened backflow shutter type bulwark |
| KR101514949B1 (en) * | 2014-05-19 | 2015-04-28 | (주)에스엔비 | A floating wall |
| CN208844494U (en) * | 2018-07-12 | 2019-05-10 | 罗俊 | A kind of checkdam for hydraulic and hydroelectric engineering |
| CN109989384A (en) * | 2019-03-07 | 2019-07-09 | 华北水利水电大学 | A kind of fluid pressure type automatic lifting anti-flood wall |
| CN209162756U (en) * | 2018-11-14 | 2019-07-26 | 湖南高速铁路职业技术学院 | A kind of automatic lifting anti-flood wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102099530A (en) * | 2008-05-13 | 2011-06-15 | 范丹诺尔特创新公司 | Self closing flood barrier and method for protecting a hinterland using same |
| CN103031821A (en) * | 2012-12-12 | 2013-04-10 | 河海大学 | Opened backflow shutter type bulwark |
| KR101514949B1 (en) * | 2014-05-19 | 2015-04-28 | (주)에스엔비 | A floating wall |
| CN208844494U (en) * | 2018-07-12 | 2019-05-10 | 罗俊 | A kind of checkdam for hydraulic and hydroelectric engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982286A (en) * | 2021-03-10 | 2021-06-18 | 山东农业大学 | Flood bank device based on water level self-adjustment |
| CN114908707A (en) * | 2022-04-22 | 2022-08-16 | 陈文元 | Water conservancy flood control method |
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Application publication date: 20200807 |
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