CN212714845U - Flood-control drainage and fishing device for inland rivers - Google Patents
Flood-control drainage and fishing device for inland rivers Download PDFInfo
- Publication number
- CN212714845U CN212714845U CN202020719155.1U CN202020719155U CN212714845U CN 212714845 U CN212714845 U CN 212714845U CN 202020719155 U CN202020719155 U CN 202020719155U CN 212714845 U CN212714845 U CN 212714845U
- Authority
- CN
- China
- Prior art keywords
- water
- gate
- water level
- buffer
- level sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 181
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 40
- 238000005086 pumping Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 230000009931 harmful effect Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Barrages (AREA)
Abstract
The utility model provides an inland river surge flood control fishing device, belonging to the technical field of municipal engineering, comprising a buffer water channel, an early warning gate dam mechanism, a master control gate mechanism, a water pumping mechanism and a controller; the early warning gate dam mechanism is arranged at the downstream end of the buffer water channel and is provided with a first water level sensor for detecting the water level of a river reach at the downstream of the buffer water channel; the main control gate mechanism is arranged at the upstream end of the buffer water channel, is used for sealing the buffer water channel and is provided with a second water level sensor for detecting the water level of the river reach at the upstream of the buffer water channel; the water pumping mechanism is used for pumping water from a river section at the upstream of the buffer water channel to the buffer water channel; the controller is respectively and electrically connected with the first water level sensor, the second water level sensor, the main control gate mechanism and the water pumping mechanism. The utility model discloses can carry out drainage control according to the water level of trip, can effectively avoid the low reaches water level to flow backward and the harmful effects who brings, can avoid the danger that brings because of manpower control water level and inspection gate dam during the torrential rain.
Description
Technical Field
The utility model belongs to the technical field of municipal works, more specifically say, relate to a device is dragged for in-river gushes flood control.
Background
The inner river gush generally refers to a river channel, a channel and other artificial water channels (except an underground drainage channel) of which the water level is controlled by a connecting enclosing dike and a water gate. The flood control and drainage are important functions of urban inland rivers, and in order to ensure the landscape function of some water channels, gate dams such as steel plate gates, overflow dams and the like are usually arranged in the water channels to keep the water level in the water channels at a certain height. However, at some water channel collection positions, when the water level of the upstream of the main flow rises due to rainstorm, flood and the like, the upstream of the main flow often crosses the gate dam of the branch to flow back into the branch, so that on one hand, the water level of the branch area is easy to rise, the branch loses the normal drainage function, and even causes an inland water logging disaster, on the other hand, because the water of the main flow contains a large amount of silt, garbage and pollutants, the flowing back into the branch can seriously affect the water quality of the branch, and the branch is also easy to block.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inland river gushes out flood control and arranges and drags for device to solve the technical problem that the branch was poured into easily to the torrential flow water level surge that collects the department at the water course that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the inland river surge flood control drainage and fishing device comprises a buffer water channel, an early warning gate dam mechanism, a main control gate mechanism, a water pumping mechanism and a controller; the early warning gate dam mechanism is arranged at the downstream end of the buffer water channel and is provided with a first water level sensor for detecting the water level of a river reach at the downstream of the buffer water channel; the main control gate mechanism is arranged at the upstream end of the buffer water channel, is used for sealing the buffer water channel and is provided with a second water level sensor for detecting the water level of the river reach at the upstream of the buffer water channel; the water pumping mechanism is used for pumping water from a river section at the upstream of the buffer water channel to the buffer water channel; the controller is respectively electrically connected with the first water level sensor, the second water level sensor, the main control gate mechanism and the water pumping mechanism and is used for controlling the opening and closing of the main control gate mechanism and the water pumping mechanism according to data signals transmitted by the first water level sensor and the second water level sensor.
In one embodiment of the present invention, the early warning gate dam mechanism includes a gate dam disposed at a downstream end of the buffer water passage, and the first water level sensor is disposed on the gate dam for transmitting the data signal to the controller when water in a river section downstream of the buffer water passage overflows the gate dam.
In an embodiment of the present invention, the main control gate mechanism includes a main gate, a main opening and closing assembly, an auxiliary gate and an auxiliary opening and closing assembly, the main gate is disposed at the upstream end of the buffer water channel for closing the buffer water channel, and is provided with a water passage for water to pass through; the main opening and closing assembly is arranged on the buffer water channel, is electrically connected with the controller and is used for controlling the opening and closing of the main gate according to a control signal of the controller; the auxiliary gate is arranged on the main gate and is used for sealing the water passing channel; the auxiliary opening and closing assembly is arranged on the main gate or the buffer water channel, is electrically connected with the controller and is used for controlling the opening and closing of the auxiliary gate according to a control signal of the controller.
In an embodiment of the present invention, the upper edge of the secondary gate is hinged to the main gate, the middle or lower portion is provided with a cantilever perpendicular to the face direction of the secondary gate, and the secondary opening and closing assembly includes a traction end connected to the free end of the cantilever.
In one embodiment of the present invention, the main gate and the auxiliary gate are steel plate gates; the main opening and closing assembly is one or more of a winch, a hydraulic oil cylinder, a wire disc screw rod assembly and a gear rack assembly.
In an embodiment of the present invention, the water passage is disposed in the middle or lower portion of the main gate, and the water pumping mechanism includes a water pump having a water inlet end and a water passage hermetically connected thereto.
The utility model discloses an in the embodiment, water passing channel is including inlaying the pipeline of establishing on main gate, and the upstream end at the pipeline is established to the vice gate, and the water pump is established in the pipeline, and pipeline downstream end is equipped with contrary check valve.
In one embodiment of the utility model, an energy dissipation component and a dredging component are arranged in the buffer water channel, and the upstream end and the downstream end of the buffer water channel are both provided with trash racks; the energy dissipation assembly comprises one or more of an energy dissipation key, a key groove, a water drop sill and a retaining wall; the dredging component comprises a mud pump or a sludge grab bucket arranged on one side of the buffer water channel.
The utility model discloses an in the embodiment, the buffering water course includes the cell type prefabricated component, and cell type prefabricated component both ends all are equipped with the installation station of early warning floodgate dam mechanism and main control gate mechanism, and one side is equipped with the installation station of pumping mechanism.
In one embodiment of the present invention, the groove-shaped prefabricated member is one or more of a steel member, a concrete prefabricated member, an assembled steel member and an assembled concrete member; the early warning gate dam mechanism is one or more of a rubber dam, a gravity dam and a sluice; the main control gate mechanism is one or more of a flap gate, a vertical opening and closing gate and a rubber dam; the first water level sensor and the second water level sensor are one or more of a float type water level sensor, a differential pressure water level sensor, an ultrasonic water level sensor and a radar water level sensor; the controller is one or more of a PLC controller, an industrial personal computer and an online monitoring control platform; the water pumping mechanism comprises a water pump or a pump station arranged on one side of the buffer water channel.
The utility model provides a inland river gushes flood control and arranges and drag for device's beneficial effect lies in: compared with the prior art, the utility model discloses after buffering water course low reaches river reach water level soaks and crosses early warning floodgate dam mechanism, first level sensor transmits data signal to the controller, and the controller control master control gate mechanism closes, makes the water that downstream water level soaks only stop in buffering the water course, can not gush the upper reaches in a large number in the time quantum that master control gate mechanism closed, can avoid the pollution and the silting up of upper reaches; meanwhile, the second water level sensor transmits the water level of the upstream river reach to the controller, and when the water level accumulated by the upstream water level reaches a preset limit value but is not higher than the downstream water level, the controller controls the water pumping mechanism to start, so that the water accumulated by the upstream is pumped to the buffer water channel and then discharged, and upstream waterlogging can be avoided; when the water level accumulated by the upstream water level reaches a preset limit value and is higher than the downstream water level, the controller main control gate mechanism opens for draining; whole device can carry out drainage control according to the water level of the trip country automatically, can effectively avoid the low reaches water level to flow backward and the harmful effects that bring, need not the people and spend value on duty, can avoid the danger because of monitoring the water level and tour gate dam and bring during the heavy rain.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic side sectional view of an inland river surge flood control drainage device in a use state according to an embodiment of the present invention;
fig. 2 is a schematic side sectional view of the inland river surge flood control drainage device according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a buffer water channel; 11. an energy dissipation component; 12. a trash rack;
20. an early warning gate dam mechanism;
30. a master control gate mechanism; 31. a main gate; 32. a main opening and closing assembly; 33. an auxiliary gate;
34. an auxiliary opening and closing assembly; 35. a cantilever; 36. a water passage; 37. a non-return one-way valve;
40. a water pumping mechanism;
51. a first water level sensor; 52. a second water level sensor; 53. and a controller.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is right now that the utility model provides a pair of inland river gushes flood control and drains and drag for device explains.
Referring to fig. 1 and fig. 2, the inland river surge flood control fishing device of the present invention includes a buffer water channel 10, an early warning gate dam mechanism 20, a main control gate mechanism 30, a water pumping mechanism 40 and a controller 53; the early warning gate dam mechanism 20 is arranged at the downstream end of the buffer water channel 10 and is provided with a first water level sensor 51 for detecting the water level of a river reach at the downstream of the buffer water channel 10; the main control gate mechanism 30 is arranged at the upstream end of the buffer water channel 10, is used for sealing the buffer water channel 10, and is provided with a second water level sensor 52 for detecting the water level of the river reach upstream of the buffer water channel 10; the water pumping mechanism 40 is used for pumping water from the river section upstream of the buffer water channel 10 to the buffer water channel 10; the controller 53 is electrically connected to the first water level sensor 51, the second water level sensor 52, the main control gate mechanism 30 and the water pumping mechanism 40, and is configured to control opening and closing of the main control gate mechanism 30 and the water pumping mechanism 40 according to data signals transmitted by the first water level sensor 51 and the second water level sensor 52.
Compared with the prior art, the inland river surge flood control fishing device provided by the utility model has the advantages that when the downstream river section water level of the buffer water channel 10 rises suddenly and crosses the early warning gate dam mechanism 20, the first water level sensor 51 transmits a data signal to the controller 53, the controller 53 controls the main control gate mechanism 30 to be closed, so that the water which rises suddenly and enters the downstream water level only stays in the buffer water channel 10, and the water cannot flow into the upstream in a large amount in the time period when the main control gate mechanism 30 is closed, thereby avoiding the pollution and the clogging of the upstream; meanwhile, the second water level sensor 52 transmits the water level of the upstream river reach to the controller 53, when the water level accumulated by the upstream water level reaches a preset limit value but is not higher than the downstream water level, the controller 53 controls the water pumping mechanism 40 to start, so that the water accumulated by the upstream is pumped to the buffer waterway 10 and is discharged, and upstream waterlogging can be avoided; when the water level accumulated at the upstream water level reaches a preset limit value and is higher than the downstream water level, the controller 53 controls the gate mechanism 30 to open the drain; whole device can carry out drainage control according to the water level of the trip country automatically, can effectively avoid the low reaches water level to flow backward and the harmful effects that bring, need not the people and spend value on duty, can avoid the danger because of monitoring the water level and tour gate dam and bring during the heavy rain.
Referring to fig. 1 and 2 together, as a specific embodiment of the inland river surge flood control salvage device provided by the present invention, the early warning gate dam mechanism 20 includes a gate dam disposed at the downstream end of the buffer water channel 10, and the first water level sensor 51 is disposed on the gate dam and is configured to start transmitting data signals to the controller 53 when water in the river reach downstream of the buffer water channel 10 overflows the gate dam.
Referring to fig. 2, as a specific embodiment of the device for flood control and salvage in inland river surge according to the present invention, the main control gate mechanism 30 includes a main gate 31, a main opening/closing component 32, an auxiliary gate 33 and an auxiliary opening/closing component 34, the main gate 31 is disposed at the upstream end of the buffer water channel 10, and is used for closing the buffer water channel 10, and is provided with a water passage 36 for water to pass through; the main opening and closing assembly 32 is arranged on the buffer water channel 10, is electrically connected with the controller 53, and is used for controlling the opening and closing of the main gate 31 according to a control signal of the controller 53; the auxiliary gate 33 is arranged on the main gate 31 and used for closing the water passing channel 36; the auxiliary opening and closing assembly 34 is disposed on the main gate 31 or the buffer waterway 10, and is electrically connected to the controller 53, and is used for controlling the opening and closing of the auxiliary gate 33 according to a control signal of the controller 53. The provision of the sub-gate 33 facilitates downstream drainage without moving the main gate 31.
Referring to fig. 2, as a specific implementation of the device for flood control and drainage for inland river surge provided by the present invention, the upper edge of the secondary gate 33 is hinged to the main gate 31, the middle or lower portion is provided with a cantilever 35 perpendicular to the surface direction of the secondary gate 33, and the secondary opening/closing assembly 34 includes a traction end connected to the free end of the cantilever 35.
The sub-shutter 33 may be provided on the downstream side or the upstream side of the main shutter 31, or on both sides.
It is more advantageous to locate the sub-gate 33 downstream of the main gate 31. When the water level at the downstream of the main gate 31 is higher, the auxiliary gate 33 is pressed under the action of water pressure, so that water leakage can be avoided; when the water level at the downstream of the main gate 31 is lower than the water level at the upstream, the water pressure at the upstream is large, the opening of the auxiliary gate 33 is easy, and a winch hoist can be used as the auxiliary opening and closing member 34.
When the auxiliary gate 33 is arranged on the upstream side of the main gate 31, when the water level at the downstream of the main gate 31 is high, the auxiliary opening and closing assembly 34 needs to press the auxiliary gate 33, and the water pressure also needs to be overcome when the auxiliary gate is required to be opened, but the auxiliary opening and closing assembly 34 arranged on the main gate 31 can avoid the downstream surge, so that the reliability of the equipment is favorably ensured.
Specifically, the main shutter 31 and the sub shutter 33 may be steel plate shutters; the main opening and closing assembly 32 is one or more of a winch, a hydraulic oil cylinder, a wire disc screw rod assembly and a gear rack assembly.
As a specific implementation mode of the inland river surge flood control drainage and salvage device, the water passage 36 is arranged at the middle part or the lower part of the main gate 31, and the water pumping mechanism 40 comprises a water inlet end and a water pump connected with the water passage 36 in a sealing way. The water pump can be a submersible pump directly connected with the water passing channel 36, or a pump connected with the water passing channel 36 through a pipeline and arranged on the shore.
Referring to fig. 2, as a specific embodiment of the device for flood control and drainage for inland river provided by the present invention, the water passage 36 includes a pipeline embedded in the main gate 31, the auxiliary gate 33 is disposed at the upstream end of the pipeline, and the water pump is disposed in the pipeline, so as to save energy to the maximum extent, shorten the water pump pipeline, and reduce the occurrence of pipeline blockage. The downstream end of the pipe is provided with a non-return check valve 37 to prevent downstream water from flowing upstream from the water passage 36 in the case where the sub-gate 33 is opened but the water pump is not opened and in the case of equipment failure or the like.
Referring to fig. 2, as a specific embodiment of the device for flood control and salvage in inland rivers provided by the present invention, an energy dissipation component 11 and a dredging component are disposed in the buffering water channel 10, and a trash rack 12 is disposed at both the upstream end and the downstream end of the buffering water channel 10.
The energy dissipation component 11 comprises one or more of an energy dissipation key, a key slot, a water drop sill and a retaining wall; the dredging component comprises a mud pump or a sludge grab bucket arranged on one side of the buffer water channel 10.
As a specific embodiment of the utility model provides a inland river gushes flood control and arranges and drag for device, buffering water course 10 includes cell type prefabricated component, and cell type prefabricated component both ends all are equipped with the installation station of early warning floodgate dam mechanism 20 and master control gate mechanism 30, and one side is equipped with the installation station of pumping mechanism 40.
As a specific implementation manner of the inland river surge flood control drainage and fishing device provided by the utility model, the groove-shaped prefabricated component is one or more of a steel component, a concrete prefabricated component, an assembled steel component and an assembled concrete component; the early warning gate dam mechanism 20 is one or more of a rubber dam, a gravity dam and a sluice; the main control gate mechanism 30 is one or more of a flap gate, a vertical opening and closing gate and a rubber dam; the first water level sensor 51 and the second water level sensor 52 are one or more of a float type water level sensor, a differential pressure water level sensor, an ultrasonic water level sensor and a radar water level sensor; the controller 53 is one or more of a PLC controller, an industrial personal computer and an online monitoring control platform; the pumping mechanism 40 includes a pump or pumping station disposed at one side of the buffer waterway 10.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a device is dragged for in flood control of inland river gushing, its characterized in that includes:
a buffer water channel;
the early warning gate dam mechanism is arranged at the downstream end of the buffer water channel and is provided with a first water level sensor for detecting the water level of a river reach at the downstream of the buffer water channel;
the main control gate mechanism is arranged at the upstream end of the buffer water channel, is used for sealing the buffer water channel, and is provided with a second water level sensor for detecting the water level of a river reach at the upstream of the buffer water channel;
the water pumping mechanism is used for pumping water from a river reach at the upstream of the buffer water channel to the buffer water channel; and
and the controller is respectively electrically connected with the first water level sensor, the second water level sensor, the main control gate mechanism and the water pumping mechanism and is used for controlling the opening and closing of the main control gate mechanism and the water pumping mechanism according to data signals transmitted by the first water level sensor and the second water level sensor.
2. The inland river flood control drainage device of claim 1, wherein: the early warning gate dam mechanism comprises a gate dam arranged at the downstream end of the buffering water channel, and the first water level sensor is arranged on the gate dam and used for transmitting data signals to the controller when water in a river reach at the downstream of the buffering water channel overflows the gate dam.
3. The inland river flood control drainage device of claim 1, wherein the master gate mechanism comprises:
the main gate is arranged at the upstream end of the buffer water channel, is used for sealing the buffer water channel and is provided with a water passing channel for water to pass through;
the main opening and closing assembly is arranged on the buffer water channel, is electrically connected with the controller and is used for controlling the opening and closing of the main gate according to a control signal of the controller;
the auxiliary gate is arranged on the main gate and used for closing the water passing channel; and
and the auxiliary opening and closing assembly is arranged on the main gate or the buffer water channel, is electrically connected with the controller and is used for controlling the opening and closing of the auxiliary gate according to a control signal of the controller.
4. The inland river flood control drainage device of claim 3, wherein: the edge of the upper part of the auxiliary gate is hinged with the main gate, a cantilever perpendicular to the plate surface direction of the auxiliary gate is arranged in the middle or at the lower part of the auxiliary gate, and the auxiliary opening and closing assembly comprises a traction end connected with the free end of the cantilever.
5. The inland river flood control drainage device of claim 4, wherein: the main gate and the auxiliary gate are both steel plate gates; the main opening and closing assembly is one or more of a winch, a hydraulic oil cylinder, a wire disc screw rod assembly and a gear rack assembly.
6. The inland river flood control drainage device of claim 3, wherein: the water passing channel is arranged in the middle or the lower part of the main gate, and the water pumping mechanism comprises a water pump with a water inlet end hermetically connected with the water passing channel.
7. The inland river flood control drainage device of claim 6, wherein: the water passing channel comprises a pipeline embedded on the main gate, the auxiliary gate is arranged at the upstream end of the pipeline, the water pump is arranged in the pipeline, and the downstream end of the pipeline is provided with a non-return one-way valve.
8. The inland river flood control drainage device of claim 1, wherein: an energy dissipation assembly and a dredging assembly are arranged in the buffer water channel, and trash racks are arranged at the upstream end and the downstream end of the buffer water channel; the energy dissipation assembly comprises one or more of an energy dissipation key, a key groove, a water drop sill and a retaining wall; the dredging component comprises a mud pump or a sludge grab bucket arranged on one side of the buffer water channel.
9. The inland river flood control drainage device according to claim 1 or 8, wherein: the buffer water channel comprises a groove-shaped prefabricated part, wherein the two ends of the groove-shaped prefabricated part are respectively provided with the early warning gate dam mechanism and the installation station of the main control gate mechanism, and one side of the early warning gate dam mechanism is provided with the installation station of the water pumping mechanism.
10. The inland river flood control drainage device of claim 9, wherein: the groove-shaped prefabricated part is one or more of a steel member, a concrete prefabricated part, an assembled steel member and an assembled concrete member; the early warning gate dam mechanism is one or more of a rubber dam, a gravity dam and a sluice; the main control gate mechanism is one or more of a flap gate, a vertical opening and closing gate and a rubber dam; the first water level sensor and the second water level sensor are one or more of a float type water level sensor, a differential pressure water level sensor, an ultrasonic water level sensor and a radar water level sensor; the controller is one or more of a PLC (programmable logic controller), an industrial personal computer and an online monitoring control platform; the water pumping mechanism comprises a water pump or a pump station arranged on one side of the buffer water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719155.1U CN212714845U (en) | 2020-04-30 | 2020-04-30 | Flood-control drainage and fishing device for inland rivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020719155.1U CN212714845U (en) | 2020-04-30 | 2020-04-30 | Flood-control drainage and fishing device for inland rivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212714845U true CN212714845U (en) | 2021-03-16 |
Family
ID=74944209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020719155.1U Expired - Fee Related CN212714845U (en) | 2020-04-30 | 2020-04-30 | Flood-control drainage and fishing device for inland rivers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212714845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837857A (en) * | 2023-06-08 | 2023-10-03 | 中电建生态环境集团有限公司 | Pipe network support system |
-
2020
- 2020-04-30 CN CN202020719155.1U patent/CN212714845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837857A (en) * | 2023-06-08 | 2023-10-03 | 中电建生态环境集团有限公司 | Pipe network support system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112502092A (en) | Water gate and pump station double-layer integrated structure and operation method thereof | |
| CN212714845U (en) | Flood-control drainage and fishing device for inland rivers | |
| JP5361096B1 (en) | Water gate | |
| CN112982616B (en) | Rain and sewage converging system | |
| CN212641711U (en) | Prevent flowing backward rainwater box culvert and cut dirty pump station | |
| CN220035349U (en) | Pump floodgate is prevented blockking up in clearance of being convenient for | |
| CN212200655U (en) | A non-resistance self-draining anti-backflow drainage device | |
| CN106988400A (en) | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method | |
| CN216586870U (en) | Hydraulic lower weir gate control equipment | |
| CN205557473U (en) | Remote control type floodwall dam gate | |
| CN209277122U (en) | Pump lock combination discharge structure | |
| CN205035774U (en) | Two flotation tank formula water conservancy flap gates | |
| CN207109987U (en) | A kind of hondo formula closure works system | |
| CN206706698U (en) | A kind of new controllable shutter gate controlled by hydro power | |
| CN222976046U (en) | Gravity dredging device for wharf drainage ditch | |
| CN224063611U (en) | Slope drainage ditch structure | |
| CN217781932U (en) | Sluice with water conservancy diversion function | |
| CN221000833U (en) | Hydraulic engineering flood control dyke | |
| CN217949272U (en) | Wet well of mud valve of water pipe | |
| CN205577088U (en) | Discharge of sewage is controllable and block sediment and prevent flowing backward vatch basin | |
| CN217419525U (en) | Novel pump brake with bottom sealing structure | |
| CN222313935U (en) | An overflow gate capable of regulating water level | |
| CN212835779U (en) | Cut-off system applied to drainage pipeline | |
| CN216108858U (en) | Hydraulic upward-opening door flow-limiting valve | |
| CN213952375U (en) | Double-layer integrated structure of sluice and pump station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |