CN110230291B - Reservoir flood discharge device - Google Patents
Reservoir flood discharge device Download PDFInfo
- Publication number
- CN110230291B CN110230291B CN201910515438.6A CN201910515438A CN110230291B CN 110230291 B CN110230291 B CN 110230291B CN 201910515438 A CN201910515438 A CN 201910515438A CN 110230291 B CN110230291 B CN 110230291B
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- hole
- gate
- dam
- flood discharge
- reservoir
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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
-
- 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
-
- 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
- E02B7/36—Elevating mechanisms for vertical-lift gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention relates to a reservoir flood discharge device, which comprises a dam, a first gate, a connecting rod, a transmission device and a movable gate, wherein the dam is arranged at an outlet of a reservoir and is connected with a mountain body at two ends of the reservoir, the dam comprises a dam body and a dam bottom, a water discharge hole is arranged at the lower part of the dam body, a first wear-resisting ring is arranged on the dam body, the upper part of the first gate is fixedly connected with the connecting rod, the transmission device comprises a worm wheel, a worm, a shell and a hand wheel, the edge of the worm wheel is connected with a stud, a flood discharge hole is arranged at the upper part of the dam body, a step surface in the flood discharge hole is hinged with the movable gate, the movable gate is hinged on a hinge shaft, the hinge shaft is a shaft body which is inclined from the front upper part to the rear lower part in a vertical plane, the aim is to solve the problem that the existing reservoir flood discharge device can flexibly adjust the water level only, the opening and closing of the gate are adjusted according to different water levels, and the problem of labor waste is solved.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a reservoir flood discharge device.
Background
Reservoirs, hydraulic engineering buildings that store and contain floods and regulate water flow, which can be utilized for irrigation, power generation, flood control and fish farming; the artificial lake is formed by building a barrage at a narrow opening of a mountain ditch or a river, and the reservoir can play roles in flood control, water storage irrigation, water supply, power generation, fish culture and the like after being built; because of the reservoir exceeding the water level caused by the continuous strong rainfall, in order to avoid serious disasters caused by flood overflow or collapse of reservoir dams and dams, the sluice is required to be opened to drain water to a downstream flood discharge area.
In the existing reservoir flood discharge device, a dam is built at an outlet of a reservoir, a gate is arranged in the dam, the gate can flexibly adjust the water level only by means of a power supply, a driving device and detection equipment, the driving device and the detection equipment are easy to age and malfunction in natural environment, and manual inspection and monitoring equipment are needed; or use the manpower to open and shut the gate and adjust the water level, need to patrol repeatedly and monitor the water level, adjust opening and shutting of gate according to the difference of water level, extravagant manual work.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reservoir flood discharge device, aiming at solving the problems that the water level of the prior reservoir flood discharge device can be flexibly adjusted only by a gate by means of a power supply, a driving device and detection equipment, the water level is adjusted by manually opening and closing the gate, the water level needs to be repeatedly inspected and monitored, and the opening and closing of the gate are adjusted according to different water levels, so that the labor is wasted.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a reservoir flood discharge device comprises a dam, a first gate, a connecting rod, a transmission device and a movable gate, wherein the dam is arranged at an outlet of a reservoir and is connected with a mountain body at two ends of the reservoir, the dam comprises a dam body and a dam bottom, the dam body is a concrete structural body with a right trapezoid cross section, the side surface of the dam body facing the upstream of the reservoir is a vertical surface, the side surface of the dam body facing the downstream of the reservoir is an inclined surface, the bottom of the dam body extends to form the dam bottom, the dam bottom is a concrete structural body inclined from the upstream of the reservoir to the downstream, the dam bottom is fixed in silt at the bottom of the reservoir, the lower part of the dam body is provided with a water discharge hole, the water discharge hole inclines downwards from the upstream to the downstream, the outer parts of left and right end openings of the dam body corresponding to the water discharge hole are respectively;
the right side of the first gate is tightly attached to a first wear-resistant ring at the left port of the drain hole, the first gate is a plate body with a vertical through hole in the middle, a roller is arranged on one side of the first gate and tightly attached to the vertical surface of the dam body, a waist-shaped through hole is formed in the first gate, the first gate penetrates through the waist-shaped through hole through a stud and is fixed on the dam body, a connecting rod is fixed to the upper portion of the first gate, the connecting rod is a vertical rectangular cylinder, and a horizontal waist-shaped through hole is formed in the upper portion of the connecting rod;
the transmission device comprises a worm wheel, a worm, a shell and a hand wheel, wherein the shell is a box body with an opening on the left end face, the shell is fixed at the top of the dam body, the worm wheel is hinged in the shell, the edge of the worm wheel is connected with a stud, the stud penetrates through a waist-shaped through hole in the upper part of the connecting rod, the worm is hinged in the shell and meshed with the worm wheel, the worm and the worm wheel have self-locking performance, and a central shaft of the hand wheel penetrates through the shell and;
the upper portion of dam body is provided with and runs through the left side, the flood discharge hole of right flank, the flood discharge hole is that the left end is less than the shoulder hole of right-hand member, the shoulder face in the flood discharge hole articulates there is movable gate, movable gate is the plate body of pressing close to the shoulder face, movable gate's area is greater than the cross sectional area of shoulder face flood discharge hole left part, movable gate articulates on the hinge, the hinge is the axis body from the front top to the back below slope in vertical face, the hinge passes through the fixed block to be fixed on the shoulder face in flood discharge hole, correspond on the dam body to the left side in flood discharge hole, right-hand member off-plate part is provided with rather than terminal surface assorted second wear ring respectively, the second wear ring is central open-ended ring body.
Further, the number of the drain holes is at least 5.
Further, the cross section of the drain hole is circular.
Further, the shape and size of the through hole of the first gate are the same as the left port of the drain hole.
Further, the number of the rollers is at least 4.
Further, the number of flood discharge holes is at least 4.
Further, an included angle a is formed between the hinge shaft and the horizontal plane, and the included angle a ranges from 60 degrees to 80 degrees.
Furthermore, the lower part of the dam body is provided with an auxiliary drain hole which is a circular through hole penetrating through the dam body, the auxiliary drain hole is integrally arc-shaped, the outer parts of the left end face and the right end face of the dam body, which correspond to the auxiliary drain hole, are respectively provided with a third wear-resisting ring matched with the end face of the auxiliary drain hole, and the third wear-resisting ring is a ring body with a central opening.
Through the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the right side of the first gate is tightly attached to the first wear-resistant ring at the left port of the drain hole, the first gate is a plate body with a vertical through hole in the middle, one side of the first gate is provided with a roller, the roller is tightly attached to the vertical surface of the dam body, the first gate is provided with a waist-shaped through hole, the first gate penetrates through the waist-shaped through hole through a stud and is fixed on the dam body, and the upper part of the first gate is fixedly connected with a connecting rod; the structure has the advantages that the hand wheel is rotated, the worm rotates, the rotating worm drives the worm wheel to rotate, meanwhile, the screw rod on the worm wheel rotates, the rotating screw rod drives the connecting rod to move up and down, the first gate moves up and down, the through hole on the first gate moves up and down relative to the opening of the drain hole, correspondingly, the overlapped part between the opening of the drain hole and the through hole changes greatly and slightly, and the water quantity passing through the drain hole changes greatly and slightly; therefore, the water discharge amount can be controlled to change by rotating the hand wheel, when the hand wheel stops rotating, the worm is static, the worm and the worm wheel have self-locking performance, the worm wheel is static, the first gate is static, the area leaked from the opening of the first wear-resisting ring is unchanged, the water discharge amount of the reservoir through the water discharge hole is unchanged, the water discharge of the reservoir is stable, the first gate can be flexibly adjusted according to different reservoir water levels, and a power supply is not needed for pulling the first gate, so that the energy is saved.
2. According to the invention, the upper part of the dam body is provided with a flood discharge hole penetrating through the left side surface and the right side surface, the flood discharge hole is a stepped hole with the left end smaller than the right end, a movable gate is hinged to a stepped surface in the flood discharge hole, the movable gate is a plate body close to the stepped surface, the area of the movable gate is larger than the section area of the left part of the flood discharge hole of the stepped surface, the movable gate is hinged to a hinge shaft, and the hinge shaft is a shaft body which is inclined from the front upper part to the rear lower part in the vertical plane; the structure has the advantages that the precipitation around the reservoir is increased, when the water level of the reservoir exceeds the height of the flood discharge hole, the water at the upstream of the reservoir flows to the left end of the movable gate, the impact force generated by the water flow can push the movable gate to open, the water is rapidly discharged to the downstream through the flood discharge hole, and the flood discharge can be realized without using a power supply and manpower; because the hinged shaft of the movable gate is an axis body which is inclined from the front upper part of the dam body to the rear lower part, when the movable gate rotates around the hinged shaft, the angle between the movable gate and the horizontal plane is continuously changed, when the movable gate and the horizontal plane are in a non-vertical state, the self gravity of the movable gate is decomposed to generate a component force vertical to the movable gate and a component force positioned in the movable gate, the component force vertical to the movable gate is vertical to the hinged shaft so as to generate a moment rotating relative to the hinged shaft, the moment enables the movable gate to have the tendency of automatically recovering to block the flood discharge hole, the movable gate has sensitive response to water flow, when the water level at the upstream of the reservoir is increased, the thrust of the water flow to the movable gate is increased, the opening angle of the movable gate is increased, the discharge water quantity of the flood discharge hole is increased, when the water level at the upstream of the reservoir is reduced, the thrust of the water flow to the movable gate is, the discharge amount of the flood discharge hole is small, the movable gate can be flexibly adjusted along with the water level change of the reservoir, manpower is not needed, the water level is monitored for a long time, and the movable gate can be automatically opened and closed to discharge the flood. The water level of the reservoir can be flexibly adjusted by the first gate and the movable gate without the aid of a power supply, a driving device and detection equipment.
Drawings
Fig. 1 is a block diagram of a reservoir flood discharge apparatus;
fig. 2 is a left side view of the reservoir flood discharge apparatus of fig. 1;
FIG. 3 is a cross-sectional view taken at D-D of FIG. 1;
fig. 4 is a right side view of the reservoir flood discharge apparatus of fig. 1;
fig. 5 is a schematic view of a first gate of the reservoir flood discharge apparatus of fig. 1;
fig. 6 is a schematic view of the movable shutter at C in fig. 3 in an open state;
FIG. 7 is an enlarged schematic view at A in FIG. 1;
FIG. 8 is an enlarged schematic view at B of FIG. 1;
FIG. 9 is an enlarged schematic view at C of FIG. 3;
fig. 10 is a left side view of the reservoir flood discharge apparatus according to embodiment 2.
The reference numbers in the drawings are as follows: the dam comprises a dam body 1, a first gate 2, a connecting rod 3, a transmission device 4, a movable gate 5, a reservoir 6, a mountain body 7, a flood discharge hole 8, an auxiliary drainage hole 9, a dam body 10, a dam bottom 11, a through hole 20, a roller 21, a worm wheel 40, a worm 41, a casing 42, a hand wheel 43, a hinge shaft 51, a fixing block 52, a second wear-resistant ring 80, a third wear-resistant ring 90, a drainage hole 100 and a first wear-resistant ring 101.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 9, in embodiment 1, a reservoir flood discharge apparatus includes a dam 1, a first gate 2, a connecting rod 3, a transmission device 4, and a movable gate 5, where the dam 1 is disposed at an outlet of a reservoir 6 and connected to a mountain 7 at two ends of the reservoir 6, the dam 1 includes a dam 10 and a dam bottom 11, the dam 10 is a concrete structure with a right trapezoid cross section, a side surface of the dam 10 facing an upstream of the reservoir 6 is a vertical surface, a side surface of the dam 10 facing a downstream of the reservoir 6 is an inclined surface, the bottom of the dam 10 extends to form the dam bottom 11, the dam bottom 11 is a concrete structure inclined from the upstream to the downstream of the reservoir 6, the dam bottom 11 is fixed in sediment at the bottom of the reservoir 6, a drain hole 100 is disposed at a lower portion of the dam 10, the drain hole 100 is inclined downward from the upstream to the downstream, first wear-resistant rings 101 matched with the ports are respectively disposed at outer portions of left and right ends of the dam, the first wear ring 101 is a centrally open ring body.
The right side of the first gate 2 is tightly attached to a first wear-resistant ring 101 at the left port of the drain hole 100, the first gate 2 is a plate body with a vertical through hole 20 in the middle, a roller 21 is arranged on one side of the first gate 2, the roller 21 is tightly attached to the vertical surface of the dam body 10, a waist-shaped through hole is formed in the first gate 2, the first gate 2 penetrates through the waist-shaped through hole through a stud and is fixed on the dam body 10, a connecting rod 3 is fixed to the upper portion of the first gate 2, the connecting rod 3 is a vertical rectangular cylinder, and the horizontal waist-shaped through hole is formed in the upper portion of the connecting rod 3.
The transmission device 4 comprises a worm wheel 40, a worm 41, a shell 42 and a hand wheel 43, the worm wheel 40 and the worm 41 are worm and gear assemblies of model NDU/Q45 of Shenzhen Xinrui combined science and technology Limited, the shell 42 is a box body with an opening on the left end face, the shell 42 is fixed at the top of the dam body 10, the worm wheel 40 is hinged in the shell 42, the edge of the worm wheel 40 is connected with a stud which penetrates through a kidney-shaped through hole in the upper part of the connecting rod 3, the worm 41 is hinged in the shell 42 and meshed with the worm wheel 40, the worm 41 and the worm wheel 40 have self-locking performance, and the central shaft of the hand wheel 43 penetrates through the shell 42 and is fixedly;
the upper portion of dam body 10 is provided with and runs through left and right flank's flood discharge hole 8, flood discharge hole 8 is that the left end is less than the shoulder hole of right-hand member, the shoulder surface in the flood discharge hole 8 articulates there is movable gate 5, movable gate 5 is the plate body of pressing close to the shoulder surface, the area of movable gate 5 is greater than the cross sectional area of shoulder surface flood discharge hole 8 left part, movable gate 5 articulates on hinge 51, hinge 51 is the axis body from the upper front to the back below slope in vertical plane, hinge 51 passes through fixed block 52 to be fixed on the shoulder surface of flood discharge hole 8, correspond on dam body 10 about flood discharge hole 8, right-hand member off-plate part do not is provided with rather than terminal surface assorted second wear ring 80, second wear ring 80 is central open-ended ring body.
The number of the drain holes 100 is at least 5.
The cross-section of the drain hole 100 is circular.
The through hole 20 of the first gate 2 has the same shape and size as the left end of the drainage hole 100.
The number of the rollers 21 is at least 4.
The number of flood discharge holes 8 is at least 4.
The hinge shaft 51 forms an included angle a with the horizontal plane, and the included angle a ranges from 60 degrees to 80 degrees.
The hand wheel 43 is rotated, the worm 41 rotates, the rotating worm 41 drives the worm wheel 40 to rotate, meanwhile, the screw rod on the worm wheel 40 rotates, the rotating screw rod drives the connecting rod 3 to move up and down, the first gate 2 moves up and down, the through hole 20 on the first gate 2 moves up and down relative to the opening of the drain hole 100, correspondingly, the overlapped part between the opening of the drain hole 100 and the through hole 20 changes greatly and slightly, and the water quantity passing through the drain hole 100 changes greatly and slightly; the water discharge amount can be controlled to change by rotating the hand wheel 43, when the hand wheel 43 stops rotating, the worm 41 is static, the worm 41 and the worm wheel 40 have self-locking performance, the worm wheel 40 is static, the first gate 2 is static, the area of the opening of the first wear-resisting ring 101 is unchanged, the water discharge amount of the reservoir 6 through the water discharge hole 100 is unchanged, the water discharge of the reservoir 6 is stable, the first gate 2 can be flexibly adjusted according to different water levels of the reservoir 6, and a power supply is not needed when the first gate 2 is pulled, so that the energy is saved; the precipitation around the reservoir 6 is increased, when the water level of the reservoir 6 exceeds the height of the flood discharge hole 8, the water at the upstream of the reservoir 6 flows to the left end of the movable gate 5, the impact force generated by the water flow can push the movable gate 5 to open, and the water is rapidly discharged to the downstream through the flood discharge hole 8, so that the flood discharge can be realized without using a power supply and manpower; because the hinged shaft 51 of the movable gate 5 is an axle body which inclines from the front upper part to the rear lower part of the dam body 10, when the movable gate 5 rotates around the hinged shaft 51, the angle between the movable gate 5 and the horizontal plane is constantly changed, when the movable gate 5 and the horizontal plane are in a non-vertical state, the self gravity of the movable gate 5 is decomposed to generate a component force vertical to the movable gate 5 and a component force positioned in the movable gate 5, the component force vertical to the movable gate 5 is vertical to the hinged shaft 51 so as to generate a moment rotating relative to the hinged shaft 51, the moment enables the movable gate 5 to have the tendency of automatically recovering to block the flood discharge hole 8, the movable gate 5 is sensitive to water flow reaction, when the water level of the upstream of the reservoir is increased, the thrust of the water flow to the movable gate 5 is increased, the opening angle of the movable gate 5 is increased, the water discharge amount of the flood discharge hole 8 is increased, when the water level of, the thrust of water flow to the movable gate 5 is reduced, the opening angle of the movable gate 5 due to self restoring capacity is small, the water discharge amount of the flood discharge hole 8 is small, the movable gate 5 can be flexibly adjusted along with the water level change of the reservoir 6, manpower is not needed, the water level is not monitored for a long time, and the movable gate 5 can be automatically opened and closed for flood discharge; the first gate 2 and the movable gate 5 can flexibly adjust the water level of the reservoir 6 without the aid of a power supply, a driving device and detection equipment.
The detailed description of the present invention is provided with reference to the accompanying drawings, however, the above description is not intended to limit the present invention, and various equivalent or equivalent modifications or replacements may be made within the technical scope of the present invention within the disclosure range without departing from the spirit of the present invention.
Claims (8)
1. The reservoir flood discharge device is characterized by comprising a dam (1), a first gate (2), a connecting rod (3), a transmission device (4) and a movable gate (5), wherein the dam (1) is arranged at an outlet of a reservoir (6) and connected with a mountain body (7) at two ends of the reservoir (6), the dam (1) comprises a dam body (10) and a dam bottom (11), the dam body (10) is a concrete structure body with a right trapezoid cross section, the side, facing the upstream of the reservoir (6), of the dam body (10) is a vertical surface, the side, facing the downstream of the reservoir (6), of the dam body (10) is an inclined surface, the bottom (11) of the dam body (10) extends to form the concrete structure body, the dam bottom (11) is inclined from the upstream of the reservoir (6) to the downstream, the dam bottom (11) is fixed in silt at the bottom of the reservoir (6), and a water discharge hole (100) is formed in the lower part of the dam body (10), the drain hole (100) is downwards inclined from the upstream to the downstream, first wear-resisting rings (101) matched with ports are respectively arranged on the dam body (10) corresponding to the outer parts of the left and right ports of the drain hole (100), and the first wear-resisting rings (101) are ring bodies with central openings;
the right side of the first gate (2) is tightly attached to a first wear-resistant ring (101) of the left port of the drain hole (100), the first gate (2) is a plate body with a through hole (20) in the middle in a vertical shape, a roller (21) is arranged on one side of the first gate (2), the roller (21) is tightly attached to the vertical surface of the dam body (10), a waist-shaped through hole is formed in the first gate (2), the first gate (2) penetrates through the waist-shaped through hole through a stud to be fixed on the dam body (10), a connecting rod (3) is fixed to the upper portion of the first gate (2), the connecting rod (3) is a vertical rectangular cylinder, and a horizontal waist-shaped through hole is formed in the upper portion of the connecting rod (3);
the transmission device (4) comprises a worm wheel (40), a worm (41), a shell (42) and a hand wheel (43), the shell (42) is a box body with an opening on the left end face, the shell (42) is fixed to the top of the dam body (10), the worm wheel (40) is hinged in the shell (42), a stud is connected to the edge of the worm wheel (40) and penetrates through a waist-shaped through hole in the upper portion of the connecting rod (3), the worm (41) is hinged in the shell (42) and meshed with the worm wheel (40), the worm (41) and the worm wheel (40) have self-locking performance, and a central shaft of the hand wheel (43) penetrates through the end face of the shell (42) and fixedly connected with the worm (41);
the upper portion of dam body (10) is provided with and runs through left side, flood discharge hole (8) of right flank, flood discharge hole (8) are the shoulder hole that the left end is less than the right-hand member, the shoulder surface in flood discharge hole (8) articulates there is activity gate (5), activity gate (5) are the plate body of pressing close to the shoulder surface, the area of activity gate (5) is greater than the cross sectional area of shoulder surface flood discharge hole (8) left part, activity gate (5) articulate on hinge (51), hinge (51) are the axis body of slope from the front top to the rear below in the vertical plane, hinge (51) are fixed on the shoulder surface of flood discharge hole (8) through fixed block (52), correspond on dam body (10) the left side of flood discharge hole (8), right-hand member face outside part is provided with rather than terminal surface assorted second wear ring (80) respectively, second wear ring (80) are central open-ended ring body.
2. A flood discharge device for a reservoir according to claim 1, wherein said drainage holes (100) are at least 5 in number.
3. A flood discharge device for a reservoir according to claim 1, wherein said drainage holes (100) are circular in cross-section.
4. A flood discharge apparatus for a reservoir according to claim 1, wherein said first gate (2) has a through hole (20) with the same shape and size as the left end of said drainage hole (100).
5. A flood discharge according to claim 1, wherein said rollers (21) are at least 4 in number.
6. A flood discharge device for a reservoir according to claim 1, wherein said number of flood discharge openings (8) is at least 4.
7. The flood discharge device for the reservoir according to claim 1, wherein an included angle a is formed between the hinge shaft (51) and the horizontal plane, and the included angle a ranges from 60 degrees to 80 degrees.
8. The flood discharge device for the reservoir according to claim 1, wherein the lower part of the dam body (10) is provided with an auxiliary drainage hole (9), the auxiliary drainage hole (9) is a circular through hole penetrating through the dam body (10), the auxiliary drainage hole (9) is integrally arc-shaped, the dam body (10) is provided with third wear-resistant rings (90) corresponding to the outer parts of the left end surface and the right end surface of the auxiliary drainage hole (9), and the third wear-resistant rings (90) are annular bodies with central openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515438.6A CN110230291B (en) | 2019-06-14 | 2019-06-14 | Reservoir flood discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515438.6A CN110230291B (en) | 2019-06-14 | 2019-06-14 | Reservoir flood discharge device |
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| CN110230291A CN110230291A (en) | 2019-09-13 |
| CN110230291B true CN110230291B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910515438.6A Expired - Fee Related CN110230291B (en) | 2019-06-14 | 2019-06-14 | Reservoir flood discharge device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894714B (en) * | 2019-11-13 | 2023-04-18 | 四川建筑职业技术学院 | Hydraulic engineering protection river bank and protection method thereof |
| CN111155482B (en) * | 2020-01-03 | 2021-05-18 | 安徽省水利水电勘测设计研究总院有限公司 | Layered flood discharge device for flood discharge and rush drainage |
| CN112945187B (en) * | 2021-02-21 | 2022-11-18 | 石家庄蓝洽科技有限公司 | Reservoir dam monitoring and early warning system |
| CN113029296B (en) * | 2021-03-06 | 2024-06-18 | 河南华北水利水电勘察设计有限公司 | Reservoir water level automatic regulating system |
| CN114032837B (en) * | 2021-11-25 | 2023-09-26 | 扬州大学 | Step flood control dam based on junked tires and construction and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062942A (en) * | 1990-12-28 | 1992-07-22 | Gtm仓储有限公司 | On the dam that has two flood discharge structures at least, the release flood spillway of superflood |
| CN203625855U (en) * | 2013-11-25 | 2014-06-04 | 云南星禹水利设备有限责任公司 | Sluice gate lifting drive device with exclusive starting function |
| CN104895021A (en) * | 2015-06-23 | 2015-09-09 | 西安建筑科技大学 | Layered flood-discharging and sediment-flushing device for reservoir |
| CN204940212U (en) * | 2015-09-22 | 2016-01-06 | 闫文静 | Type shunting water conservancy gate easy to control |
| CN205776105U (en) * | 2016-06-14 | 2016-12-07 | 蒋艺星 | A kind of Auto-drainage dam |
-
2019
- 2019-06-14 CN CN201910515438.6A patent/CN110230291B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062942A (en) * | 1990-12-28 | 1992-07-22 | Gtm仓储有限公司 | On the dam that has two flood discharge structures at least, the release flood spillway of superflood |
| CN203625855U (en) * | 2013-11-25 | 2014-06-04 | 云南星禹水利设备有限责任公司 | Sluice gate lifting drive device with exclusive starting function |
| CN104895021A (en) * | 2015-06-23 | 2015-09-09 | 西安建筑科技大学 | Layered flood-discharging and sediment-flushing device for reservoir |
| CN204940212U (en) * | 2015-09-22 | 2016-01-06 | 闫文静 | Type shunting water conservancy gate easy to control |
| CN205776105U (en) * | 2016-06-14 | 2016-12-07 | 蒋艺星 | A kind of Auto-drainage dam |
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| CN110230291A (en) | 2019-09-13 |
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