CN110805000A - Emergency dam device for hydraulic engineering - Google Patents
Emergency dam device for hydraulic engineering Download PDFInfo
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- CN110805000A CN110805000A CN201911146721.2A CN201911146721A CN110805000A CN 110805000 A CN110805000 A CN 110805000A CN 201911146721 A CN201911146721 A CN 201911146721A CN 110805000 A CN110805000 A CN 110805000A
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- dam
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
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Abstract
The invention discloses an emergency dam device for hydraulic engineering, which comprises a base plate, a side clamping plate, a bottom clamping plate, a dam assembly, a driving assembly, an execution assembly and a water level meter, wherein the driving assembly is arranged, a first electric push rod drives a second dam to move upwards during flood discharge, flood flows out from a flood discharge hole, and the purpose of flood discharge is achieved; through setting up the executive component, data collection station gathers the data message of fluviograph and camera, with data message transmission to microcontroller, microcontroller carries out corresponding instruction according to the degree of depth of flood, and GPRS communicator passes through radio signal and mobile terminal links to each other, and the user of being convenient for issues the flood discharge instruction through remote control such as cell-phone, is favorable to carrying out urgent flood discharge operation, guarantees people's property and personal safety.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an emergency dam device for hydraulic engineering.
Background
Dykes and dams refer to building and structures that the water was blocked to the water-proof widely, also be the important component that is indispensable in the hydraulic engineering construction now simultaneously, emergent dykes and dams are the important hydraulic equipment of protection people and property safety more, its structure of current city emergency dykes and dams is mature relatively with the technique, but in long-time use, people have still found some problems, for example, old-fashioned emergent dykes and dams need personnel to carry out closing and opening of gate, and the staff need often correspond emergent dykes and dams and patrol, waste time and energy, therefore urgent need develop an emergent dykes and dams device for hydraulic engineering, with the problem of solving, and be convenient for marketing and application.
Current hydraulic engineering needs personnel to carry out closing and opening of gate with emergent dykes and dams device, and the staff will often patrol urgent dykes and dams, wastes time and energy, is not convenient for carry out remote control when taking place emergency, is unfavorable for carrying out the problem of urgent flood discharge operation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an emergency dam device for hydraulic engineering, which solves the problems that the existing emergency dam device for hydraulic engineering needs personnel to close and open a gate, and the personnel need to patrol an emergency dam frequently, so that time and labor are wasted, remote control is inconvenient to carry out in case of emergency, and emergency flood discharge operation is not facilitated.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an emergency dam device for hydraulic engineering comprises two base plates, a side clamping plate, a bottom clamping plate, dam components, a driving component, an execution component and a water level meter, wherein the base plates are arranged in parallel; the number of the side clamping plates is two, the side clamping plates are fixed on the inner side between the substrates through bolts, and side clamping grooves are formed in the inner sides of the side clamping plates; the bottom clamping plate is fixed below the space between the base plates through bolts, and a bottom clamping groove is formed above the bottom clamping plate; the water level meter is fixed on the left side below the rear end of the base plate through a bolt, and is respectively connected with the battery and the data acquisition unit through a wire, and the water level meter is of an EW001 type; the dam assembly is clamped between the side clamping plates; the driving assembly is fixed above the base plate through a bolt, and the lower end of the driving assembly is connected with the upper part of the dam assembly through a bolt; the execution assembly is fixed on the right side of the driving assembly through a bolt.
The dam assembly comprises a first dam, a second dam, a flood discharge hole, a clamping strip, a first mounting plate and a second mounting plate, the first dam is clamped at the front side of the side clamping plate side clamping groove, the lower end of the first dam is clamped inside the bottom clamping groove of the bottom clamping plate, and the rear side of the first dam is provided with a clamping groove; the second dam is clamped at the rear side of the clamping groove at the side of the side clamping plate; the clamping strips are welded on the front side of the second dam, are aligned with the clamping grooves of the first dam, and are matched with the clamping grooves of the first dam in size; the flood discharge holes are arranged on the first dam; the first mounting plate is welded at the middle position above the second dam; the second mounting panel adopt two, and the welding of second mounting panel is in the left and right sides of first dykes and dams top.
The driving assembly comprises four upright posts, a transverse plate, a first electric push rod, a second electric push rod and a camera, and the upright posts are fixed above the base plate through bolts; the transverse plate is fixed above the upright post through a bolt; the upper end of the first electric push rod is fixed at the middle position below the transverse plate through a bolt, and the lower end of the first electric push rod is connected with the first mounting plate through a bolt; the number of the second electric push rods is two, the second electric push rods are fixed below the transverse plate through bolts, and the lower ends of the second electric push rods are connected with the second mounting plate through bolts; the camera pass through the left side of bolt fastening in diaphragm below.
The first electric push rod is aligned with the first mounting plate and is respectively connected with the battery and the microcontroller through a lead, and the first electric push rod is of an XTL100 type; the second electric push rod is aligned with the second mounting plate and is respectively connected with the battery and the microcontroller through a lead, and the second electric push rod is of an XTL100 type; the camera pass through the wire and link to each other with battery and data collection station respectively, and the camera chooses for use the CCD camera.
The execution assembly comprises a box body, a box door, a battery, a data collector, a storage, a microcontroller and a GPRS communicator, wherein the box body is fixed on the right side of the upright post through a bolt; the box door is arranged on the right side of the box body, the upper end of the box door is connected with the upper part of the right side of the box body through a shaft pin, and the lower end of the box door is connected with the lower part of the right side of the box body through a bolt; the battery is fixed on the left side in the box body through a bolt; the microcontroller is fixed in the middle position above the inner part of the box body through a bolt; the GPRS communicator is fixed on the right side above the inside of the box body through a bolt; the data acquisition unit is fixed on the left side of the lower part in the box body through a bolt; the storage device is fixed on the right side below the inside of the box body through bolts.
The battery is LR-03-24B type; the data acquisition unit is respectively connected with the battery and the microcontroller through wires, and the data acquisition unit is of DAQM-4206 type; the memory is connected with the data collector through a data line and is of an MB-MC256D type; the microcontroller is connected with the battery through a wire, and the microcontroller is of a WQGPRS-323 type; the GPRS communicator is connected with the microcontroller and the battery through wires respectively, is connected with the mobile terminal through wireless signals, and is of an HC-05 master-slave type.
(III) advantageous effects
The invention provides an emergency dam device for hydraulic engineering. The method has the following beneficial effects:
(1) according to the invention, the driving assembly is arranged, the first electric push rod drives the second dam to move upwards during flood discharge, flood flows out from the flood discharge hole, and the purpose of flood discharge is achieved.
(2) According to the invention, the execution assembly is arranged, the water level gauge detects the depth of flood, the camera shoots a scene picture, the data acquisition device acquires data information of the water level gauge and the camera and transmits the data information to the microcontroller, the microcontroller carries out corresponding instructions according to the depth of the flood and controls the first electric push rod and the second electric push rod to move to carry out flood discharge operation, and the GPRS communicator is connected with the mobile terminal through wireless signals, so that a user can issue flood discharge instructions through remote control of a mobile phone and the like, emergency flood discharge operation is facilitated, and property and personal safety of people are ensured.
(3) According to the invention, by arranging the dam assembly, when the second dam is positioned at the lowest end, the second dam blocks the flood discharge hole, and when the second dam moves upwards, the corresponding flood discharge hole can be exposed, so that the flood discharge speed can be conveniently adjusted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the construction of a dam assembly according to the present invention;
FIG. 3 is a schematic structural diagram of a driving assembly of the present invention;
FIG. 4 is a schematic diagram of an execution module according to the present invention.
In the figure: the device comprises a base plate 1, a side clamping plate 2, a bottom clamping plate 3, a dam assembly 4, a first dam 41, a second dam 42, a flood discharge hole 43, a clamping strip 44, a first mounting plate 45, a second mounting plate 46, a driving assembly 5, a stand column 51, a transverse plate 52, a first electric push rod 53, a second electric push rod 54, a camera 55, an execution assembly 6, a box body 61, a box door 62, a battery 63, a data acquisition unit 64, a storage 65, a microcontroller 66, a GPRS communicator 67 and a water level meter 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 4, the present invention provides a technical solution: an emergency dam device for hydraulic engineering comprises two base plates, a side clamping plate, a bottom clamping plate, dam components, a driving component, an execution component and a water level meter, wherein the base plates are arranged in parallel; the number of the side clamping plates is two, the side clamping plates are fixed on the inner side between the substrates through bolts, and side clamping grooves are formed in the inner sides of the side clamping plates; the bottom clamping plate is fixed below the space between the base plates through bolts, and a bottom clamping groove is formed above the bottom clamping plate; the water level meter is fixed on the left side below the rear end of the base plate through a bolt, and is respectively connected with the battery and the data acquisition unit through a wire, and the water level meter is of an EW001 type; the dam assembly is clamped between the side clamping plates; the driving assembly is fixed above the base plate through a bolt, and the lower end of the driving assembly is connected with the upper part of the dam assembly through a bolt; the execution assembly is fixed on the right side of the driving assembly through a bolt.
Example 2
An emergency dam device for hydraulic engineering comprises two base plates, a side clamping plate, a bottom clamping plate, dam components, a driving component, an execution component and a water level meter, wherein the base plates are arranged in parallel; the number of the side clamping plates is two, the side clamping plates are fixed on the inner side between the substrates through bolts, and side clamping grooves are formed in the inner sides of the side clamping plates; the bottom clamping plate is fixed below the space between the base plates through bolts, and a bottom clamping groove is formed above the bottom clamping plate; the water level meter is fixed on the left side below the rear end of the base plate through a bolt, and is respectively connected with the battery and the data acquisition unit through a wire, and the water level meter is of an EW001 type; the dam assembly is clamped between the side clamping plates; the driving assembly is fixed above the base plate through a bolt, and the lower end of the driving assembly is connected with the upper part of the dam assembly through a bolt; the execution assembly is fixed on the right side of the driving assembly through a bolt.
Preferably, the dam assembly comprises a first dam, a second dam, a flood discharge hole, a clamping strip, a first mounting plate and a second mounting plate, the first dam is clamped at the front side of the clamping groove at the side of the side clamping plate, the lower end of the first dam is clamped inside the clamping groove at the bottom of the bottom clamping plate, and the rear side of the first dam is provided with a clamping groove; the second dam is clamped at the rear side of the clamping groove at the side of the side clamping plate; the clamping strips are welded on the front side of the second dam, are aligned with the clamping grooves of the first dam, and are matched with the clamping grooves of the first dam in size; the flood discharge holes are arranged on the first dam; the first mounting plate is welded at the middle position above the second dam; the second mounting panel adopt two, and the welding of second mounting panel is in the left and right sides of first dykes and dams top.
Example 3
An emergency dam device for hydraulic engineering comprises two base plates, a side clamping plate, a bottom clamping plate, dam components, a driving component, an execution component and a water level meter, wherein the base plates are arranged in parallel; the number of the side clamping plates is two, the side clamping plates are fixed on the inner side between the substrates through bolts, and side clamping grooves are formed in the inner sides of the side clamping plates; the bottom clamping plate is fixed below the space between the base plates through bolts, and a bottom clamping groove is formed above the bottom clamping plate; the water level meter is fixed on the left side below the rear end of the base plate through a bolt, and is respectively connected with the battery and the data acquisition unit through a wire, and the water level meter is of an EW001 type; the dam assembly is clamped between the side clamping plates; the driving assembly is fixed above the base plate through a bolt, and the lower end of the driving assembly is connected with the upper part of the dam assembly through a bolt; the execution assembly is fixed on the right side of the driving assembly through a bolt.
Preferably, the driving assembly comprises four upright posts, a transverse plate, a first electric push rod, a second electric push rod and a camera, and the upright posts are fixed above the base plate through bolts; the transverse plate is fixed above the upright post through a bolt; the upper end of the first electric push rod is fixed at the middle position below the transverse plate through a bolt, and the lower end of the first electric push rod is connected with the first mounting plate through a bolt; the number of the second electric push rods is two, the second electric push rods are fixed below the transverse plate through bolts, and the lower ends of the second electric push rods are connected with the second mounting plate through bolts; the camera pass through the left side of bolt fastening in diaphragm below.
Preferably, the first electric push rod is aligned with the first mounting plate, and is respectively connected with the battery and the microcontroller through a wire, and the first electric push rod is XTL100 type; the second electric push rod is aligned with the second mounting plate and is respectively connected with the battery and the microcontroller through a lead, and the second electric push rod is of an XTL100 type; the camera pass through the wire and link to each other with battery and data collection station respectively, and the camera chooses for use the CCD camera.
Example 4
An emergency dam device for hydraulic engineering comprises two base plates, a side clamping plate, a bottom clamping plate, dam components, a driving component, an execution component and a water level meter, wherein the base plates are arranged in parallel; the number of the side clamping plates is two, the side clamping plates are fixed on the inner side between the substrates through bolts, and side clamping grooves are formed in the inner sides of the side clamping plates; the bottom clamping plate is fixed below the space between the base plates through bolts, and a bottom clamping groove is formed above the bottom clamping plate; the water level meter is fixed on the left side below the rear end of the base plate through a bolt, and is respectively connected with the battery and the data acquisition unit through a wire, and the water level meter is of an EW001 type; the dam assembly is clamped between the side clamping plates; the driving assembly is fixed above the base plate through a bolt, and the lower end of the driving assembly is connected with the upper part of the dam assembly through a bolt; the execution assembly is fixed on the right side of the driving assembly through a bolt.
Preferably, the executing component comprises a box body, a box door, a battery, a data collector, a storage, a microcontroller and a GPRS communicator, and the box body is fixed on the right side of the upright post through a bolt; the box door is arranged on the right side of the box body, the upper end of the box door is connected with the upper part of the right side of the box body through a shaft pin, and the lower end of the box door is connected with the lower part of the right side of the box body through a bolt; the battery is fixed on the left side in the box body through a bolt; the microcontroller is fixed in the middle position above the inner part of the box body through a bolt; the GPRS communicator is fixed on the right side above the inside of the box body through a bolt; the data acquisition unit is fixed on the left side of the lower part in the box body through a bolt; the storage device is fixed on the right side below the inside of the box body through bolts.
Preferably, the battery is LR-03-24B type; the data acquisition unit is respectively connected with the battery and the microcontroller through wires, and the data acquisition unit is of DAQM-4206 type; the memory is connected with the data collector through a data line and is of an MB-MC256D type; the microcontroller is connected with the battery through a wire, and the microcontroller is of a WQGPRS-323 type; the GPRS communicator is connected with the microcontroller and the battery through wires respectively, is connected with the mobile terminal through wireless signals, and is of an HC-05 master-slave type.
Example 5
The water level meter 7 detects the depth of flood, the camera 55 shoots the scene picture, the data collector 64 collects the data information of the water level meter 7 and the camera 55, the data information is transmitted to the microcontroller 66, the microcontroller 66 carries out corresponding instruction according to the depth of the flood, controls the first electric push rod 53 and the second electric push rod 54 to move for flood discharge operation, the GPRS communicator 67 is connected with the mobile terminal through wireless signals, a user can issue flood discharge instruction through remote control of a mobile phone and the like, emergency flood discharge operation is facilitated, the property and personal safety of people are ensured, the first electric push rod 53 drives the second dam 42 to move upwards during flood discharge, the flood flows out from the flood discharge hole 43, the purpose of flood discharge is achieved, when the flood is large, the second electric push rod 54 drives the first 41 to move upwards, the flood discharge speed is accelerated, compared with the manual closing and opening of a gate, efficiency of flood discharge is improved, and save a large amount of labours and time, second dykes and dams 42 are in when the lower extreme, second dykes and dams 42 block flood discharge hole 43, can expose corresponding flood discharge hole 43 when second dykes and dams 42 upwards remove, be convenient for carry out the regulation of flood discharge speed, when needing quick flood discharge, mention first dykes and dams 41 and second dykes and dams 42 simultaneously and reach the maximum speed of flood discharge, be convenient for carry out quick flood discharge operation, card strip 44 joint is in the draw-in groove of first dykes and dams 41, guarantee that second dykes and dams 42 are in vertical direction all the time when reciprocating, guarantee the even and efficient operation of dykes and dams subassembly 4.
To sum up, this hydraulic engineering is with emergent dam device, including base plate 1 through the setting, side cardboard 2, end cardboard 3, dam assembly 4, drive assembly 5, executive component 6 and fluviograph 7, it needs personnel to carry out closing and opening of gate to have solved current hydraulic engineering with emergent dam device, and the staff will often patrol to urgent dam, waste time and energy, be not convenient for carry out remote control when taking place emergency, be unfavorable for carrying out the problem of urgent flood discharge operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an emergent dykes and dams device for hydraulic engineering which characterized in that: the emergency dam device for the hydraulic engineering comprises a base plate (1), side clamping plates (2), bottom clamping plates (3), dam assemblies (4), a driving assembly (5), an executing assembly (6) and a water level meter (7), wherein the number of the base plates (1) is two, and the base plates (1) are arranged in parallel; the number of the side clamping plates (2) is two, the side clamping plates (2) are fixed on the inner side between the substrates (1) through bolts, and side clamping grooves are formed in the inner side of each side clamping plate (2); the bottom clamping plates (3) are fixed below the base plates (1) through bolts, and bottom clamping grooves are formed above the bottom clamping plates (3); the water level meter (7) is fixed on the left side below the rear end of the base plate (1) through a bolt, and the water level meter (7) is respectively connected with a battery (63) and a data collector (64) through leads; the dam component (4) is clamped between the side clamping plates (2); the driving assembly (5) is fixed above the substrate (1) through bolts, and the lower end of the driving assembly (5) is connected with the upper part of the dam assembly (4) through bolts; the execution assembly (6) is fixed on the right side of the driving assembly (5) through a bolt.
2. An emergency embankment device according to claim 1, wherein: the dam assembly (4) comprises a first dam (41), a second dam (42), a flood discharge hole (43), a clamping strip (44), a first mounting plate (45) and a second mounting plate (46), wherein the first dam (41) is clamped at the front side of a side clamping groove of the side clamping plate (2), the lower end of the first dam (41) is clamped inside a bottom clamping groove of the bottom clamping plate (3), and a clamping groove is formed in the rear side of the first dam (41); the second dam (42) is clamped at the rear side of the clamping groove at the side of the side clamping plate (2); the number of the clamping strips (44) is three, the clamping strips (44) are welded on the front side of the second dam (42), the clamping strips (44) are aligned with the clamping grooves of the first dam (41), and the size of each clamping strip (44) is matched with that of the clamping groove of the first dam (41); the flood discharge holes (43) are multiple, and the flood discharge holes (43) are arranged on the first dam (41); the first mounting plate (45) is welded at the middle position above the second dam (42); the number of the second mounting plates (46) is two, and the second mounting plates (46) are welded on the left side and the right side above the first dam (41).
3. An emergency embankment device according to claim 1, wherein: the driving assembly (5) comprises four upright posts (51), a transverse plate (52), a first electric push rod (53), a second electric push rod (54) and a camera (55), wherein the upright posts (51) are fixed above the base plate (1) through bolts; the transverse plate (52) is fixed above the upright post (51) through bolts; the upper end of the first electric push rod (53) is fixed at the middle position below the transverse plate (52) through a bolt, and the lower end of the first electric push rod (53) is connected with the first mounting plate (45) through a bolt; the number of the second electric push rods (54) is two, the second electric push rods (54) are fixed below the transverse plate (52) through bolts, and the lower ends of the second electric push rods (54) are connected with the second mounting plate (46) through bolts; the camera (55) is fixed on the left side below the transverse plate (52) through a bolt.
4. An emergency embankment device according to claim 3, wherein: the first electric push rod (53) is aligned with the first mounting plate (45), and the first electric push rod (53) is respectively connected with the battery (63) and the microcontroller (66) through leads; the second electric push rod (54) is aligned with the second mounting plate (46), and the second electric push rod (54) is respectively connected with the battery (63) and the microcontroller (66) through leads; the camera (55) is respectively connected with the battery (63) and the data collector (64) through wires.
5. An emergency embankment device according to claim 1, wherein: the execution assembly (6) comprises a box body (61), a box door (62), a battery (63), a data collector (64), a storage (65), a microcontroller (66) and a GPRS communicator (67), wherein the box body (61) is fixed on the right side of the upright post (51) through a bolt; the box door (62) is arranged on the right side of the box body (61), the upper end of the box door (62) is connected with the upper part of the right side of the box body (61) through a shaft pin, and the lower end of the box door (62) is connected with the lower part of the right side of the box body (61) through a bolt; the battery (63) is fixed on the left side inside the box body (61) through a bolt; the microcontroller (66) is fixed at the middle position above the inner part of the box body (61) through a bolt; the GPRS communicator (67) is fixed on the right side above the inside of the box body (61) through bolts; the data acquisition unit (64) is fixed on the left side of the lower part in the box body (61) through a bolt; the storage device (65) is fixed on the right side below the inside of the box body (61) through bolts.
6. An emergency embankment device according to claim 5, wherein: the data acquisition unit (64) is respectively connected with the battery (63) and the microcontroller (66) through wires; the storage (65) is connected with the data acquisition unit (64) through a data line; the microcontroller (66) is connected with the battery (63) through a lead; the GPRS communicator (67) is respectively connected with the microcontroller (66) and the battery (63) through wires, and the GPRS communicator (67) is connected with the mobile terminal through wireless signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146721.2A CN110805000A (en) | 2019-11-21 | 2019-11-21 | Emergency dam device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146721.2A CN110805000A (en) | 2019-11-21 | 2019-11-21 | Emergency dam device for hydraulic engineering |
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| CN110805000A true CN110805000A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911146721.2A Pending CN110805000A (en) | 2019-11-21 | 2019-11-21 | Emergency dam device for hydraulic engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979975A (en) * | 2020-08-27 | 2020-11-24 | 华北水利水电大学 | Emergency dam with height capable of being adjusted along with rising of water level and installation method |
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2019
- 2019-11-21 CN CN201911146721.2A patent/CN110805000A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979975A (en) * | 2020-08-27 | 2020-11-24 | 华北水利水电大学 | Emergency dam with height capable of being adjusted along with rising of water level and installation method |
| CN111979975B (en) * | 2020-08-27 | 2021-08-06 | 华北水利水电大学 | Emergency dam with height capable of being adjusted along with rising of water level and installation method |
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Application publication date: 20200218 |