CN114277726B - Flood control drainage device for municipal works - Google Patents
Flood control drainage device for municipal works Download PDFInfo
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- CN114277726B CN114277726B CN202111592378.1A CN202111592378A CN114277726B CN 114277726 B CN114277726 B CN 114277726B CN 202111592378 A CN202111592378 A CN 202111592378A CN 114277726 B CN114277726 B CN 114277726B
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Abstract
The application relates to a flood control and drainage device for municipal engineering, which relates to the technical field of municipal flood control and comprises a plurality of bases and a plurality of protection plates, wherein the protection plates are vertically arranged on the bases, and the end parts of two adjacent protection plates are mutually abutted; each protection plate is vertically and slidably connected with a sliding plate, the upper end of each sliding plate is provided with a floating plate in a bending way, and the end parts of two adjacent floating plates are mutually abutted; the upper end lateral wall of guard plate vertically runs through and is provided with the wash port, and the lower extreme lateral wall of sliding plate vertically runs through and is provided with the connecting hole that is used for the intercommunication wash port. According to the application, by arranging the protection plate for automatic drainage, automatic flood discharge and small-amplitude flood discharge of upstream flood are realized, and meanwhile, diversion and drainage of the flood are also realized, so that flood disasters are avoided.
Description
Technical Field
The application relates to the field of municipal flood control, in particular to a flood control drainage device for municipal engineering.
Background
Flood control is to research and take various countermeasures and measures according to flood rules and flood characteristics so as to prevent or reduce flood disasters and ensure water conservancy work of social and economic development. The basic working content of the system comprises flood control planning, flood control construction, flood control, flood scheduling and arrangement, post-disaster recovery reconstruction and the like.
When flood disasters occur, the conventional sand bags are manually conveyed and stacked at flood control openings to slow down the flood disasters. However, such a flood control method cannot well guide water and drain water, is easy to cause flood disasters, and needs to be improved.
Disclosure of Invention
In order to avoid flood disasters, the application provides a flood control drainage device for municipal engineering.
The application provides a flood control drainage device for municipal engineering, which adopts the following technical scheme:
the utility model provides a municipal works are with flood control drainage device, includes a plurality of bases and a plurality of guard plates, the guard plate vertically set up in on the base, and adjacent two the tip of guard plate is contradicted each other; a sliding plate is vertically and slidably connected to each protection plate, a floating plate is bent at the upper end of each sliding plate, and the end parts of two adjacent floating plates are mutually abutted; the upper end side wall of guard plate vertically runs through and is provided with the wash port, the lower extreme side wall of sliding plate vertically runs through and is provided with the connecting hole that is used for the intercommunication the wash port.
Through adopting above-mentioned technical scheme, when the flood appears, utilize the guard plate to intercept the flood, along with the continuous rising of water level, the buoyancy control kickboard of flood and sliding plate upward movement. At the moment, the connecting holes on the sliding plate are gradually connected with the drain holes on the protection plate, so that automatic flood discharge and small-amplitude flood discharge of upstream flood are realized, meanwhile, diversion and drainage of the flood are also realized, and flood disasters are avoided.
Optionally, the floating plate is provided with overflow holes in a penetrating way.
By adopting the technical scheme, when the water level rises slowly, the flood overflows slowly along the overflow holes, and slow flood discharge is automatically realized. When the water level rises extremely rapidly, the tension of the flood is large, the floating plate is driven to float upwards, rapid flood discharge is automatically realized, and flood disasters at the upstream water level are avoided.
Optionally, the floating plate rotate connect in the sliding plate, the overflow aperture is vertical setting, and is used for the intercommunication the wash port, offer on the guard plate and supply the floating plate slides the embedded opening, simultaneously still be provided with on the floating plate and be used for being fixed in it locking mechanical system on the sliding plate.
Through adopting above-mentioned technical scheme, when needing quick flood discharge, with locking mechanical system release to make sliding plate and kickboard all imbed in the guard plate, and make overflow hole intercommunication wash port, thereby realize the quick flood discharge of upstream water level. Meanwhile, the flood discharge is limited to be half, so that the impact of direct flood discharge on the downstream is prevented, and the flood disasters on the downstream water level are avoided. When the rapid flood discharge is not needed, the floating plate and the sliding plate are pulled out, the floating plate is controlled to turn over, and finally the floating plate is fixed, so that the reset of the floating plate is realized.
Optionally, the up end of guard plate is provided with the confliction spacing after confliction is used to the kickboard upset.
Through adopting above-mentioned technical scheme, when controlling the floating plate and resetting, utilize spacing restriction floating plate's flip angle, realize the quick fixed and the reset of floating plate.
Optionally, the locking mechanical system includes the locking lever, the locking lever transversely set up in the kickboard, and be close to the one end of sliding plate runs through the kickboard, be provided with on the sliding plate and supply the locking hole of locking lever grafting, be provided with the control on the kickboard the actuating mechanism that the locking lever slided.
Through adopting above-mentioned technical scheme, when fixing the kickboard, utilize actuating mechanism control locking lever grafting sliding plate, the restriction kickboard continues the upset to realize the fixed of kickboard. When the fixation of the floating plate is released, the control locking rod is separated from the locking hole, and the fixation of the floating plate can be released. Therefore, the quick release and fixation of the floating plate are realized through the locking mechanism which is simple in structure and convenient to operate.
Optionally, the driving mechanism includes a driving rod and a reset piece, the driving rod is horizontally arranged in the floating plate, the length direction is perpendicular to the length direction of the locking rod, and meanwhile, a driving hole for the driving rod to slide horizontally is arranged on the floating plate in a penetrating manner; the reset piece is arranged on the locking rod and is used for applying an acting force for separating from the locking hole to the locking rod, the locking rod faces one end of the driving rod and is in an inclined plane, and a chute matched with the driving rod is arranged in the middle of the driving rod and is used for applying an acting force for inserting into the locking hole to the locking rod.
Through adopting above-mentioned technical scheme, when fixing the kickboard, utilize the instrument to promote the actuating lever level that is located the tip and slide, under the effect on chute and locking lever upper slope this moment, make the locking lever outwards slide to peg graft the locking hole, realize the locking of kickboard. And when locking the floating plates, the two ends of the driving rod are positioned in the driving holes on the adjacent floating plates, so that the adjacent floating plates are connected, and the connection and fixation of the whole row of floating plates are realized. When the fixation of the floating plate is released, the tool is removed, and the locking rod and the driving rod are controlled to move reversely under the action of the reset piece, so that the locking rod and the driving rod are automatically reset, and the fixation of the floating plate is released. Therefore, through the driving mechanism with double locking, the floating plate and the sliding plate are fixed, and meanwhile, the locking between the adjacent floating plates is realized, so that the use stability of the whole device is ensured.
Optionally, a push rod is horizontally screwed on the floating plate at the end part, and the push rod is aligned to the driving rod and the inclined plane of the locking rod and is used for pushing the driving rod to horizontally slide.
Through adopting above-mentioned technical scheme, when needs control actuating lever slides, directly with the push rod screw in on the kickboard, realize the control that actuating lever level slided, realize the quick fixed of actuating lever simultaneously.
Optionally, one side of the base and the protection plate is vertically provided with a dovetail strip, and the other side vertically penetrates through and is provided with a dovetail groove for sliding and embedding of the dovetail strip.
Through adopting above-mentioned technical scheme, through setting up the forked tail strip and the forked tail piece of mutual joint, realize assembling and use fast between two adjacent bases and the guard plate.
Optionally, one end of the base is provided with a hook in a turnover way, and the other end of the base is provided with a hanging ring for the hook to be hooked tightly.
Through adopting above-mentioned technical scheme, through setting up couple and link, increase the structural stability between two adjacent bases and the guard plate.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the protection plate for automatic drainage, automatic flood discharge and small-amplitude flood discharge of upstream flood are realized, and meanwhile, diversion and drainage of the flood are also realized, so that flood disasters are avoided;
by arranging the protection plate for high-speed drainage, the rapid flood discharge of the upstream water level is realized, the flood discharge degree is limited, the impact of direct flood discharge on the downstream is prevented, and the flood disasters of the downstream water level are avoided;
through setting up the actuating mechanism that possesses dual locking, realize the fixed of kickboard and sliding plate, realize the locking between the adjacent kickboard simultaneously, guarantee the stability in use of whole device.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
FIG. 2 is a schematic view of the dovetail bar in an embodiment of the application.
FIG. 3 is a schematic view of a dovetail groove in an embodiment of the application.
Fig. 4 is a schematic diagram of connection relations according to an embodiment of the present application.
Fig. 5 is a schematic view showing an internal structure of a floating plate according to an embodiment of the present application.
Reference numerals illustrate: 1. a base; 11. dovetail strips; 12. a dovetail groove; 13. a hook; 14. hanging rings; 2. a protection plate; 21. a drain hole; 22. a limit bar; 3. a sliding plate; 31. a connection hole; 32. a rotating shaft; 33. a locking hole; 4. a floating plate; 41. an overflow aperture; 42. a sleeve; 43. a drive hole; 44. a cavity; 45. a push rod; 5. a locking mechanism; 51. a locking lever; 6. a driving mechanism; 61. a driving rod; 62. a reset member; 63. a reset plate; 64. a spring; 65. and a chute.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a flood control drainage device for municipal engineering.
Referring to fig. 1, the flood control and drainage device includes a plurality of bases 1 and a plurality of protection plates 2, each protection plate 2 being vertically disposed on each base 1.
Referring to fig. 2 and 3, a dovetail bar 11 is vertically arranged on the side wall of the lower end of one side of the base 1 and the protection plate 2, and a dovetail groove 12 is vertically arranged on the other side of the other side. The dovetail strips 11 can be slipped and embedded into the dovetail grooves 12, so that the sealing connection and stable connection between the adjacent bases 1 and the protection plates 2 are realized.
Referring to fig. 2 and 3, one end of the base 1 is provided with a pair of hooks 13 in a turnover manner, and the pair of hooks 13 are distributed on both sides of the protection plate 2. The other end of the base 1 is provided with a pair of hanging rings 14 which are distributed on two sides of the protection plate 2 and used for hooking the hooks 13 tightly, so that the adjacent bases 1 are connected and fixed.
When flood is intercepted, the base 1 and the protection plate 2 are taken out and arranged in a straight line. And then the dovetail strips 11 are slidably embedded into the dovetail grooves 12, so that the sealing assembly of the whole row of bases 1 and the protection plates 2 is realized. Finally, the overturning hooks 13 hook the adjacent hanging rings 14 to fix the adjacent base 1 so as to be used for blocking flood.
Referring to fig. 4, each of the shielding plates 2 is vertically provided with a sliding plate 3, and the sliding plates 3 are disposed along the length direction of the shielding plate 2 and are vertically slidably connected to the shielding plate 2. The upper end lateral wall of guard plate 2 vertically runs through and is provided with wash port 21, and wash port 21 is located the middle part position of guard plate 2. The lower end side wall of the sliding plate 3 is vertically penetrated with a connection hole 31, and the connection hole 31 is used for communicating with the drain hole 21.
When intercepting flood, the water level of flood will rise gradually, in case the surface of flood exceeds the height of guard plate 2, will appear by a wide margin overflow, and impact to guard plate 2 is great, will induce the phenomenon of collapsing.
Therefore, when the flood level increases rapidly, the connection holes 31 on the sliding plate 3 are gradually communicated with the drain holes 21 on the protection plate 2 by controlling the sliding plate 3 to move upwards, so that flood can flow along the connection holes 31 and the drain holes 21, and small-amplitude flood discharge is realized.
At the same time, a part of flood can flow along the gap between the adjacent sliding plates 3, so as to realize double flood discharge. Because the flood discharge is slower, the impact on the downstream is avoided, and the flood disaster on the upstream is not induced.
Referring to fig. 4, the upper end of the sliding plate 3 is bent and provided with a floating plate 4, and the floating plate 4 is bent in the upstream direction. The ends of two adjacent floating plates 4 are flush with the end of the protection plate 2, and the adjacent floating plates 4 are mutually abutted to form a seal.
Referring to fig. 4, an overflow hole 41 is vertically formed in the floating plate 4 in a penetrating manner, and the overflow hole 41 is arranged in a long strip shape and is located at the middle position of the floating plate 4.
When the water level of the flood rises slowly, the flood overflows slowly along the overflow holes 41 directly, and slow flood discharge is automatically realized. When the water level rises extremely fast, the tension of the flood is larger, the floating plate 4 is driven to float upwards, so that the synchronous motion of the sliding plate is controlled, the flood can flow synchronously along the connecting holes 31, the drain holes 21, the gaps between the adjacent sliding plates 3 and the overflow holes 41, the rapid flood discharge is automatically realized, and the flood disasters caused by the upstream water level are avoided. Meanwhile, when the water level is lowered, under the action of gravity of the sliding plate 3 and the floating plate 4, the sliding plate 3 and the floating plate 4 are controlled to reset, and flood is continuously intercepted.
Referring to fig. 4 and 5, the two ends of the sliding plate 3 are horizontally extended outwards to form a rotating shaft 32, and the two ends of the floating plate 4 are provided with sleeves 42 sleeved on the outer wall of the rotating shaft 32. The contact position of the floating plate 4 and the sliding plate 3 is concave, so that the floating plate 4 is rotatably connected to the sliding plate 3.
Referring to fig. 4 and 5, the upper end surface of the protection plate 2 facing the upstream direction is provided with a limit bar 22, the limit bar 22 is used for abutting after the floating plate 4 is overturned, the limit of the maximum overturning angle of the floating plate 4 is realized, and meanwhile, the floating plate 4 is also provided with a locking mechanism 5 for fixing the floating plate 4 on the sliding plate 3 after the floating plate 4 is overturned.
Referring to fig. 4 and 5, the thickness of the floating plate 4 is the same as that of the sliding plate 3, and the side walls of the upper ends of the two sides of the protection plate 2 are provided with openings for sliding and embedding the floating plate 4, and for sliding the dovetail strip 11 into the dovetail groove 12 (see fig. 3) after embedding, so that the floating plate 4 can be slidably embedded into the protection plate 2. And when the floating plate 4 is embedded in the protection plate 2, the overflow holes 41 on the floating plate 4 communicate with the drain holes 21 on the protection plate 2.
When the flood is required to be discharged rapidly, the locking mechanism 5 is firstly released, then the floating plate 4 is turned over to be vertical, and then the sliding plate 3 and the floating plate 4 are all embedded into the protection plate 2. At the same time, the overflow holes 41 on the floating plate 4 are communicated with the drain holes 21 on the protection plate 2, thereby realizing rapid flood discharge of the upstream water level.
Meanwhile, when flood discharge is performed, the degree of flood discharge can be limited, namely, the water level at the upstream is limited, the impact caused by the downstream is avoided, and meanwhile, the flood disasters at the downstream water level are avoided. When the rapid flood discharge is not needed, the floating plate 4 and the sliding plate 3 are pulled out, and the floating plate 4 is controlled to turn over. Until the floating plate 4 abuts against the limit bar 22, the floating plate 4 is fixed, and reset of the floating plate 4 is achieved.
Referring to fig. 4 and 5, the locking mechanism 5 includes a locking lever 51, and the locking lever 51 is laterally disposed in the floating plate 4 and located beside the overflow hole 41. One end of the locking rod 51, which is close to the sliding plate 3, penetrates the floating plate 4, and the sliding plate 3 is provided with a locking hole 33 for inserting the locking rod 51.
Referring to fig. 4 and 5, the floating plate 4 is provided with a driving mechanism 6 for controlling the locking rod 51 to be inserted into or separated from the locking hole 33, the driving mechanism 6 comprises a driving rod 61 and a reset piece 62, the driving rod 61 is used for controlling the locking rod 51 to be inserted into the locking hole 33, and the reset piece 62 is used for controlling the locking rod 51 to be separated from the locking hole 33.
Referring to fig. 4 and 5, the driving rod 61 is horizontally disposed in the floating plate 4, and the longitudinal direction of the driving rod 61 is perpendicular to the longitudinal direction of the locking rod 51, while the locking rod 51 is aligned with the driving rod 61. The floating plates 4 are horizontally penetrated and provided with the driving holes 43 for the driving rods 61 to horizontally slide, and when the driving rods 61 slide, one half of the driving rods 61 are positioned in the original driving holes 43, and the other half of the driving rods are positioned in the driving holes 43 on the adjacent floating plates 4, so that the connection and the fixation between the two adjacent floating plates 4 are realized.
Referring to fig. 4 and 5, the return member 62 includes a return plate 63 and a spring 64. The floating plate 4 is provided with a cavity 44 surrounding the locking rod 51, and the reset plate 63 is fixed to the outer wall of the locking rod 51 and is located in the cavity 44, while the reset plate 63 is located at one end of the locking rod 51 near the driving rod 61. The spring 64 is sleeved outside the locking lever 51, is positioned in the cavity 44, and is positioned between the reset plate 63 and the inner wall of the cavity 44.
Referring to fig. 4 and 5, the floating plate 4 at the extreme end is horizontally screwed with a push rod 45, and the push rod 45 is communicated with the driving hole 43 and aligned with the driving rod 61, so that the driving rod 61 can be pushed to slide horizontally by rotating the push rod 45, and the limit of the driving rod 61 can be realized.
Referring to fig. 4 and 5, the lock lever 51 is provided with a slope toward one end of the drive lever 61, and the slope is directed toward the push rod 45. Since the drive lever 61 is provided with the inclined groove 65 at the middle position thereof, the urging force of the plug-in locking hole 33 can be applied to the locking lever 51 when the drive lever 61 slides.
When the floating plate 4 is fixed, the push rod 45 is screwed onto the floating plate 4, and then the push rod 45 is used for controlling the whole row of driving rods 61 to horizontally slide towards the same direction. At this time, under the action of the inclined plane on the inclined groove 65 and the locking rod 51, the locking rod 51 slides outwards, and the spring 64 is pressed to compress and then plug into the locking hole 33, so that the floating plate 4 is locked.
And when locking the floating plates 4, one end of the driving rod 61 is separated from the original driving hole 43 and slides into the driving hole 43 on the adjacent floating plate 4, so that the two ends of the driving rod 61 are positioned in the driving holes 43 on the adjacent floating plate 4 to connect the adjacent floating plates 4, and the connection and fixation of the whole row of floating plates 4 are realized.
When the fixation of the floating plate 4 is released, the push rod 45 is unscrewed, and at this time, the spring 64 is extended, and the locking lever 51 is controlled to move upward. At the same time, the locking lever 51 controls the driving lever 61 to move reversely, and the locking lever 51 and the driving lever 61 are automatically reset, so that the fixation of the floating plate 4 is released.
The embodiment of the application relates to a flood control drainage device for municipal engineering, which comprises the following implementation principles: when a flood occurs, the flood is intercepted by the protection plate 2. As the upstream water level rises, the buoyancy of the flood will control the floating plate 4 and the sliding plate 3 to move upwards. At this time, the connecting holes 31 on the sliding plate 3 are gradually connected with the drain holes 21 on the protection plate 2, so that flood can be discharged downstream, automatic flood discharge and small-amplitude flood discharge of upstream flood are realized, meanwhile, water diversion and drainage of the flood are also realized, and flood disasters are avoided.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. Flood control drainage device for municipal works, its characterized in that: the anti-collision device comprises a plurality of bases (1) and a plurality of protection plates (2), wherein the protection plates (2) are vertically arranged on the bases (1), and the end parts of two adjacent protection plates (2) are mutually abutted;
a sliding plate (3) is vertically and slidably connected to each protection plate (2), floating plates (4) are bent at the upper ends of the sliding plates (3), and the end parts of two adjacent floating plates (4) are mutually abutted;
a drain hole (21) is vertically and penetratingly arranged on the side wall of the upper end of the protection plate (2), and a connecting hole (31) for communicating the drain hole (21) is vertically and penetratingly arranged on the side wall of the lower end of the sliding plate (3);
an overflow hole (41) is formed in the floating plate (4) in a penetrating manner;
the floating plate (4) is rotationally connected to the sliding plate (3), the overflow holes (41) are vertically arranged and are used for being communicated with the drain holes (21), the protection plate (2) is provided with a notch for the sliding embedding of the floating plate (4), and meanwhile, the floating plate (4) is also provided with a locking mechanism (5) for fixing the floating plate (4) on the sliding plate (3);
the upper end surface of the protection plate (2) is provided with a limit strip (22) for the floating plate (4) to abut against after being overturned;
the locking mechanism (5) comprises a locking rod (51), the locking rod (51) is transversely arranged in the floating plate (4), one end, close to the sliding plate (3), penetrates through the floating plate (4), a locking hole (33) for the locking rod (51) to be inserted is formed in the sliding plate (3), and a driving mechanism (6) for controlling the locking rod (51) to slide is arranged on the floating plate (4).
2. A flood control drainage device for municipal works according to claim 1, wherein: the driving mechanism (6) comprises a driving rod (61) and a reset piece (62), the driving rod (61) is horizontally arranged in the floating plate (4), the length direction is perpendicular to the length direction of the locking rod (51), and meanwhile, a driving hole (43) for the driving rod (61) to horizontally slide is formed in the floating plate (4) in a penetrating mode;
the reset piece (62) is arranged on the locking rod (51) and is used for applying an acting force for disengaging from the locking hole (33) to the locking rod (51), the locking rod (51) is inclined towards one end of the driving rod (61), and a chute (65) matched with the driving rod (61) is arranged at the middle position of the driving rod (61) and is used for applying an acting force for inserting into the locking hole (33) to the locking rod (51).
3. A flood control drainage device for municipal works according to claim 2, wherein: the horizontal thread on the floating plate (4) at the extreme end is connected with a push rod (45), and the push rod (45) is aligned with the inclined planes of the driving rod (61) and the locking rod (51) and is used for pushing the driving rod (61) to slide horizontally.
4. A flood control drainage device for municipal works according to claim 1, wherein: one side of the base (1) and the protection plate (2) is vertically provided with a dovetail strip (11), and the other side vertically penetrates through and is provided with a dovetail groove (12) for sliding and embedding of the dovetail strip (11).
5. The flood control and drainage device for municipal works according to claim 4, wherein: one end of the base (1) is provided with a hook (13) in a turnover mode, and the other end of the base is provided with a hanging ring (14) for the hook (13) to hook tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111592378.1A CN114277726B (en) | 2021-12-23 | 2021-12-23 | Flood control drainage device for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111592378.1A CN114277726B (en) | 2021-12-23 | 2021-12-23 | Flood control drainage device for municipal works |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114277726A CN114277726A (en) | 2022-04-05 |
| CN114277726B true CN114277726B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111592378.1A Active CN114277726B (en) | 2021-12-23 | 2021-12-23 | Flood control drainage device for municipal works |
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| Country | Link |
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| CN (1) | CN114277726B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201007666D0 (en) * | 2010-05-07 | 2010-06-23 | Revetment Flood Prot | Flood protection device |
| CN212452459U (en) * | 2020-05-26 | 2021-02-02 | 福建省浩雅建筑工程有限公司 | Hydraulic engineering flood control wall structure |
| CN212714784U (en) * | 2020-03-25 | 2021-03-16 | 苏鉴溢 | Flood control device for water conservancy and hydropower |
| CN213596917U (en) * | 2020-09-15 | 2021-07-02 | 张羽 | Water baffle for hydraulic engineering |
| CN213867664U (en) * | 2020-07-24 | 2021-08-03 | 山东安澜工程建设有限公司 | Automatic flood discharge valve device for water conservancy |
-
2021
- 2021-12-23 CN CN202111592378.1A patent/CN114277726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201007666D0 (en) * | 2010-05-07 | 2010-06-23 | Revetment Flood Prot | Flood protection device |
| CN212714784U (en) * | 2020-03-25 | 2021-03-16 | 苏鉴溢 | Flood control device for water conservancy and hydropower |
| CN212452459U (en) * | 2020-05-26 | 2021-02-02 | 福建省浩雅建筑工程有限公司 | Hydraulic engineering flood control wall structure |
| CN213867664U (en) * | 2020-07-24 | 2021-08-03 | 山东安澜工程建设有限公司 | Automatic flood discharge valve device for water conservancy |
| CN213596917U (en) * | 2020-09-15 | 2021-07-02 | 张羽 | Water baffle for hydraulic engineering |
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| Publication number | Publication date |
|---|---|
| CN114277726A (en) | 2022-04-05 |
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