CN116005619A - Adjustable interception equipment for urban small emergency flood control wall - Google Patents
Adjustable interception equipment for urban small emergency flood control wall Download PDFInfo
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- CN116005619A CN116005619A CN202211389355.5A CN202211389355A CN116005619A CN 116005619 A CN116005619 A CN 116005619A CN 202211389355 A CN202211389355 A CN 202211389355A CN 116005619 A CN116005619 A CN 116005619A
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- door leaf
- flood
- pressure sensor
- flood control
- hydraulic cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The invention relates to adjustable interception equipment for a small-sized urban emergency flood control wall. The flood control wall adopts pneumatic cylinder cooperation bracing piece drive wall body to accomplish the lift, and the back of laying is inlayed completely in the road surface, and the panel sets up anti-skidding material, does not influence vehicle and pedestrian and passes, and can control the lift of flood control wall by electronic, manual, remote control, response and remote mode, controls convenient and fast. The technical problems that the traditional flood control wall needs to occupy space for storage, is inconvenient to transport, install and use, and can not timely block water sources to cause great tragic loss once a flood disaster is suddenly caused and the reasons such as transportation and equipment maintenance are added are solved.
Description
Technical Field
The invention relates to the field of ecological restoration management of a river channel and flood control of two sides of the river channel, in particular to adjustable interception equipment for a small-sized urban emergency flood control wall.
Background
Most of urban underground space and civil air defense projects adopt a flood prevention water retaining gate arranged at the highest position of an inlet, a sufficient amount of flood prevention sand bags are prepared, the rain amount is prevented from being too large and concentrated, the design capacity of an original drainage system is exceeded, the water accumulation amount at the inlet of an underground parking lot exceeds the drainage flow to become waterlogged, and adults are disasters.
However, most gates configured by the existing flood gate are temporary facilities, are in an idle state at ordinary times, occupy space for storage, are inconvenient to transport, install and use, and require a large amount of manpower and material resources, and once a flood disaster is suddenly caused, the water source cannot be blocked in time due to the reasons of transportation, equipment maintenance and the like of the flood gate, and huge tragic loss is caused. The movable flood control wall disclosed in patent CN201310286257.3, the assembled movable flood control wall disclosed in patent CN201510327493.4 and the combined flood control wall disclosed in patent CN201610591409.4 need to temporarily carry the upright posts and the baffle plates and install the upright posts on the sockets or the posts, and the baffle plates are installed between the upright posts to form the flood control wall, so that the transportation process is time-consuming and labor-consuming, and the installation and disassembly processes are complicated.
Disclosure of Invention
To above-mentioned content, for solving the above-mentioned problem, provide an interception equipment with adjustable emergent flood control wall in city is used, including box, door leaf and two sets of drive assembly, its characterized in that: the box body is arranged in a pit below the ground, the door leaf and the driving assembly are positioned in the box body, the door leaf comprises a water retaining panel and a back water panel, one end of the door leaf is fixedly connected with a bottom shaft, the bottom shaft is rotatably connected to the side wall of the box body through a bottom shaft support assembly, the driving assembly comprises a hydraulic cylinder and a supporting rod, the hydraulic cylinder is fixedly connected to a bottom plate of the box body through the support assembly, a hydraulic cylinder groove cover plate is arranged at the top of the hydraulic cylinder, the supporting rod comprises a first section and a second section, the first section is fixedly connected with a hydraulic cylinder telescopic shaft, the other end of the first section is rotatably connected with the second section through a rotating seat, the other end of the second section is rotatably connected with an ear plate fixedly arranged in the middle of the back water panel, a supporting rod guide rail is arranged on the bottom plate of the box body, the rotating seat can slide on the supporting rod, the hydraulic cylinder is electrically connected with a remote control system, and the driving assembly is used for driving the door leaf to rotate around the bottom shaft; in flood season, the door leaf rotatable to vertical state is used for stopping flood, in non-flood season, the door leaf rotatable to the horizontality and with the engagement of pneumatic cylinder groove cover plate, do not influence pedestrian and vehicle free passage.
Further, a first pressure sensor is arranged on the surface of the middle section of the water retaining panel, the first pressure sensor is electrically connected with the hydraulic cylinder, and the first pressure sensor is used for detecting the pressure born by the water retaining panel so as to automatically control the expansion and contraction of the hydraulic cylinder; when the first pressure sensor detects that the liquid pressure born by the surface of the water retaining panel is always higher than a set value in a period of time, the hydraulic cylinder controls the telescopic shaft to extend, so that the door leaf rotates to a vertical state to block flood, when the first pressure sensor detects that the liquid pressure born by the surface of the water retaining panel is always lower than the set value in a period of time, the hydraulic cylinder controls the telescopic shaft to shorten, and the door leaf rotates to a horizontal state and lodges in a road surface, is located on the same plane with the road surface and is connected with the road surface, and can serve as a channel for free passage of pedestrians and vehicles.
Further, the first pressure sensor adopts a sectional type to trigger the door leaf to lift, namely when the pressure value born by the first pressure sensor reaches a trigger value, the hydraulic cylinder controls the door leaf to rotate for a certain angle instead of being in a vertical state completely, because the angle of rotation of the door leaf is 90 degrees after the door leaf is completely lifted, when flood comes, the pressure value born by the first pressure sensor reaches the trigger value for the first time, the angle of rotation of the door leaf is 90/n degrees, and as the flood slowly rises, the pressure value born by the first pressure sensor reaches the trigger value for the second time, the angle of rotation of the door leaf is 2 x 90/n degrees, and so on until the door leaf rotates for 90 degrees to the vertical state, wherein n is an integer more than 3; because flood volume size is different when coming in every flood season, the door leaf is unnecessary all to be vertical state at every turn, adopts the mode that above-mentioned sectional type triggered door leaf risees, can save the actuating force of pneumatic cylinder, reduces the wearing and tearing of pneumatic cylinder telescopic shaft, simultaneously the staff accessible control the door leaf is sectional type to rise thereby the staff is convenient to the staff is overhauld each part of door leaf.
Further, a waterproof camera is arranged at one end, far away from the bottom shaft, of the water retaining panel, the waterproof camera is electrically connected with a remote control system and a display screen, and the waterproof camera can rotate at multiple angles; the waterproof camera is electrically connected with the remote control system and the display screen, and can be used for observing flood conditions, monitoring and recording in real time and facilitating workers to find abnormity.
Further, two cavities are left and right in the door leaf, reinforcing devices are arranged in the two cavities respectively, each reinforcing device comprises a steel nail, a steel rope, a winding mechanism and an ejection mechanism, the middle section of each steel nail is fixedly connected with the steel rope, the tip of each steel nail is inclined towards the ground, each ejection mechanism comprises a compression cylinder and an air bag, each compression cylinder is connected with each air bag and is used for inflating the corresponding air bag, each air bag clings to the tail end of each steel nail and is used for ejecting the corresponding steel nail into the ground, each winding mechanism comprises a winding roller and a motor, each steel rope is wound on each winding roller, the tail end of each steel rope is fixed with the corresponding winding roller, a second pressure sensor is arranged at the position, which is one half of the distance from the water retaining panel of the door leaf to the ground, of each compression cylinder, and each second pressure sensor is electrically connected with a switch of each compression cylinder. When the liquid level of flood rises to half of the height of the door leaf, as the second pressure sensor receives flood pressure, each group of compression cylinders are automatically triggered to be started to rapidly inflate the air bags, the air bags pop up steel nails, the winding rollers automatically unwind, when the steel nails are shot into the ground for a certain distance, the steel ropes are fully released and straightened, the steel nails and the steel ropes firmly fix the door leaf, so that the stability of the door leaf is enhanced, and the door leaf is prevented from being flushed by flood; when the flood season is over, the staff can pull out the steel nails by using the tool, the winding roller motor drives the winding roller to wind up and reset the steel nails, and finally the staff fills the steel nail holes on the ground.
Further, the one end that the back water panel kept away from the dead axle with the pneumatic cylinder groove cover board is close to the one end of back water panel sets up flexible filter screen or manger plate cloth, filter screen or manger plate cloth in the fore-and-aft direction with box width equals, when the door leaf lodges the embedding road surface, flexible filter screen or manger plate cloth is folding in the box, works as the door leaf rotates to vertical state and blocks the flood, flexible filter screen or manger plate cloth is opened and cooperates the pneumatic cylinder groove cover board to cover the box jointly to prevent that debris such as rainwater, earth, grit, leaf from getting into the box and causing pollution or jam.
Further, a liquid level sensor and a timer are arranged on the water retaining panel and are electrically connected with a data storage, data in the data storage can be synchronously transmitted to a remote control system, and in each flood period, the liquid level sensor and the timer can respectively acquire the highest liquid level of flood and the duration of the flood period and automatically store the data, so that workers can conveniently analyze the local flood period conditions at regular intervals, and flood control and flood prevention walls can be improved in a targeted manner.
Further, a bottom shaft water stop component is arranged between the bottom shaft fixing component and the side wall of the box body.
Further, rubber side water stop is arranged between the door leaves and the retaining walls on two sides.
Further, the remote control system comprises a record monitoring module, an abnormality alarming module, a data analysis module, a display module and a remote control module. The remote control system can monitor and record in real time, automatically alarm abnormality, intelligently manage and analyze the data of the platform, realize the joint debugging of the whole river basin, enable the facility to be more intelligent and promote the urban high-quality development.
The beneficial effects of the invention are as follows:
according to the invention, the door leaf is driven to rotate around the bottom shaft by the hydraulic cylinder matched with the supporting rod; in flood season, the door leaf can rotate to vertical state and be used for stopping flood, in non-flood season, the door leaf can rotate to the horizontality and link up with pneumatic cylinder groove cover plate, does not influence pedestrian and vehicle free passage, has solved traditional flood control wall and has needed occupation space storage, transportation, installation and also very inconvenient technical problem of use. And the new construction only needs to add a small amount of basic structures during design, and the old construction only needs to excavate a small amount of pavement. The product is integrated equipment, an operation test is carried out before delivery, and the equipment can be operated after being qualified by installing a crane and debugging when arriving at the site.
The first pressure sensor is arranged on the lower side of the water retaining panel, so that the flood control wall can judge whether the flood season is coming according to the pressure born by the water retaining panel, the hydraulic cylinder is automatically started and the door leaf is driven to rotate to a vertical state for flood control when the flood season is coming, and the hydraulic cylinder is started again and the door leaf is driven to rotate to a horizontal state and be connected with a road surface in parallel after the flood season is finished, so that free passing of pedestrians and vehicles is not affected; through setting up but multi-angle rotatory waterproof camera for observe flood condition, real-time supervision record and be convenient for the staff discover unusual.
Through setting up door leaf reinforcing apparatus, when the liquid level of flood rises to the half height of door leaf, the second pressure sensor triggers the compression cylinder automatically and opens to aerify fast to the gasbag, and the gasbag pops out the steel nail and shoots into ground, and steel nail and steel rope are firmly fixed the door leaf for strengthen the steadiness of door leaf, prevent that it from being towards down by the flood.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings also set forth implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of the implementations of the disclosed subject matter.
FIG. 1 is a side view of the present invention in a raised condition of the door leaf;
FIG. 2 is a side view of the door leaf of the present invention in a lowered position;
FIG. 3 is a rear view of the present invention in a raised condition of the door leaf;
FIG. 4 is a schematic view of the door leaf steel nail of the present invention in a ground-penetrating condition;
the device comprises a 1-box body, 2-door leaves, 3-water retaining panels, 4-back water panels, 5-bottom shafts, 6-hydraulic cylinders, 7-supporting rods, 8-rotating seats, 9-lug plates, 10-supporting rod guide rails, 11-first pressure sensors, 12-cavities, 13-steel nails, 14-steel ropes, 15-compression cylinders, 16-air bags, 17-winding rollers and 18-second pressure sensors.
Detailed Description
The advantages, features and manner of attaining the stated objects of the invention will become apparent from the description to follow, and from the drawings.
Examples:
1-4, an interception equipment with adjustable emergent flood control wall in city is used, includes box 1, door leaf 2 and two sets of drive assembly, its characterized in that: the box body 1 is arranged in a pit below the ground, the door leaf 2 and the driving assembly are positioned in the box body 1, the door leaf 2 comprises a water retaining panel 3 and a back water panel 4, one end of the door leaf 2 is fixedly connected with a bottom shaft 5, the bottom shaft 5 is rotationally connected to the side wall of the box body 1 through a bottom shaft support assembly, the driving assembly comprises a hydraulic cylinder 6 and a supporting rod 7, the hydraulic cylinder 6 is fixedly connected to a bottom plate of the box body 1 through a support assembly, the top of the hydraulic cylinder 6 is provided with a hydraulic cylinder groove cover plate, the supporting rod 7 comprises a first section and a second section, the first section is fixedly connected with a telescopic shaft of the hydraulic cylinder 6, the other end of the first section is rotationally connected with the second section through a rotating seat 8, the other end of the second section is rotationally connected with an ear plate 9 fixedly arranged in the middle of the back water panel 4, the bottom plate of the box body 1 is provided with a supporting rod 10, the rotating seat 8 can slide on the supporting rod 10, the hydraulic cylinder 6 is electrically connected with a remote control system, and the driving assembly is used for driving the door leaf 2 to rotate around the bottom shaft 5; in the flood season, the door leaf 2 can rotate to vertical state and be used for stopping flood, in the non-flood season, the door leaf 2 can rotate to the horizontality and link up with the pneumatic cylinder groove cover plate, does not influence pedestrian and vehicle free passage.
A first pressure sensor 11 is arranged on the surface of the middle section of the water baffle panel 3, the first pressure sensor 11 is electrically connected with the hydraulic cylinder 6, and the first pressure sensor 11 is used for detecting the pressure born by the water baffle panel 3 so as to automatically control the expansion and contraction of the hydraulic cylinder 6; when the first pressure sensor 11 detects that the liquid pressure born by the surface of the water retaining panel 3 is always higher than a set value in a period of time, the hydraulic cylinder 6 controls the telescopic shaft to extend, so that the door leaf 2 rotates to a vertical state to block flood, when the first pressure sensor 11 detects that the liquid pressure born by the surface of the water retaining panel 3 is always lower than the set value in a period of time, the hydraulic cylinder 6 controls the telescopic shaft to shorten, and the door leaf 2 rotates to a horizontal state and lodges in a road surface, is positioned on the same plane with the road surface and is connected with the road surface, and can be used as a passage for free passage of pedestrians and vehicles.
The first pressure sensor 11 triggers the door leaf 2 to rise in a sectional manner, namely when the pressure value born by the first pressure sensor 11 reaches a trigger value, the hydraulic cylinder 6 controls the door leaf 2 to rotate by a certain angle instead of being in a completely vertical state, because the angle of rotation of the door leaf 2 after the door leaf is completely lifted is 90 degrees, when flood comes, the pressure value born by the first pressure sensor 11 reaches the trigger value for the first time, when the pressure value born by the hydraulic cylinder 6 controls the door leaf 2 to reach the trigger value for the first time, and as the flood slowly rises, the pressure value born by the first pressure sensor 11 reaches the trigger value for the second time, the pressure value born by the hydraulic cylinder 6 controls the door leaf 2 to rotate by 2 x 90/n degrees, and so on until the door leaf 2 rotates by 90 degrees to a vertical state, wherein n is an integer more than 3; because flood volume is different in time of every flood season, every time door leaf 2 is unnecessary to be vertical state, adopts the mode that above-mentioned sectional type triggered door leaf 2 risees, can save the actuating force of pneumatic cylinder 6, reduces the wearing and tearing of pneumatic cylinder telescopic shaft, simultaneously the staff accessible control door leaf 2 sectional type rises thereby makes things convenient for the staff to overhaul each part of door leaf 2.
A waterproof camera is arranged at one end, far away from the bottom shaft, of the water retaining panel 3, and is electrically connected with a remote control system and a display screen, and the waterproof camera can rotate at multiple angles; the waterproof camera is electrically connected with the remote control system and the display screen, and can be used for observing flood conditions, monitoring and recording in real time and facilitating workers to find abnormity.
The inside of door leaf 2 sets up about two cavitys 12 set up reinforcing apparatus respectively about, reinforcing apparatus includes steel nail 13, steel rope 14, winding mechanism and ejection mechanism, the middle section fixed connection of steel nail 13 steel rope 14, the tip slope of steel nail 13 is towards ground, ejection mechanism includes compression cylinder 15 and gasbag 16, compression cylinder 15 connects gasbag 16 and is used for inflating for gasbag 16, gasbag 16 hugs closely steel nail 13 tail end and is used for ejecting steel nail 13 into ground, winding mechanism includes winding roller 17 and motor, steel rope 14 winds on winding roller 17 and steel rope 14 end and winding roller 17 are fixed the position of manger plate panel 3 from the half height on the ground sets up second pressure sensor 18, second pressure sensor 18 electric connection the switch of compression cylinder 15. When the liquid level of flood rises to half of the height of the door leaf 2, as the second pressure sensor 18 receives flood pressure, each group of compression cylinders 15 is automatically triggered to start to rapidly inflate the air bags 16, the air bags 16 eject the steel nails 13, the winding rollers 17 are automatically unreeled, when the steel nails 13 are shot into the ground for a certain distance, the steel ropes 14 are fully released and straightened, and the steel nails 13 and the steel ropes 14 firmly fix the door leaf 2, so that the stability of the door leaf 2 is enhanced and the door leaf 2 is prevented from being flushed by flood; when the flood season is over, the worker can pull out the steel nails 13 by using a tool, the winding roller motor drives the winding roller 17 to wind up and reset the steel nails, and finally the worker fills up steel nail holes on the ground.
The one end that the back water panel 4 kept away from the dead axle 5 with the pneumatic cylinder groove cover board is close to the one end of back water panel sets up flexible filter screen or manger plate cloth, filter screen or manger plate cloth in fore-and-aft direction with box 1 width equals, when the hinge 2 lodges the embedding road surface, flexible filter screen or manger plate cloth is folded in box 1, works as when hinge 2 rotates to vertical state and blocks the flood, flexible filter screen or manger plate cloth is opened and cooperates the hydraulic pressure steel groove cover board to cover box 1 jointly to prevent that debris such as rainwater, earth, grit, leaf from getting into in the box 1 and causing pollution or jam.
The water retaining panel 3 is provided with a liquid level sensor and a timer which are electrically connected with a data storage, data in the data storage can be synchronously transmitted to a remote control system, and the liquid level sensor and the timer can respectively acquire the highest liquid level of flood and the duration of flood season during each flood season and automatically store the data, so that a worker can conveniently analyze the local flood season conditions at regular intervals, and flood control walls can be improved in a targeted manner.
And a bottom shaft water stop component is arranged between the bottom shaft fixing component and the side wall of the box body 1.
Rubber side water stop is arranged between the door leaf 2 and the retaining walls on two sides.
The remote control system comprises a record monitoring module, an abnormality alarming module, a data analysis module, a display module and a remote control module. The remote control system can monitor and record in real time, automatically alarm abnormality, intelligently manage and analyze the data of the platform, realize the joint debugging of the whole river basin, enable the facility to be more intelligent and promote the urban high-quality development.
The above description is merely of the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present invention, and the changes or substitutions are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an interception equipment with adjustable emergent flood control wall in city is used, includes box, door leaf and two sets of drive assembly, its characterized in that: the box body is arranged in a pit below the ground, the door leaf and the driving assembly are positioned in the box body, the door leaf comprises a water retaining panel and a back water panel, one end of the door leaf is fixedly connected with a bottom shaft, the bottom shaft is rotatably connected to the side wall of the box body through a bottom shaft support assembly, the driving assembly comprises a hydraulic cylinder and a supporting rod, the hydraulic cylinder is fixedly connected to a bottom plate of the box body through the support assembly, a hydraulic cylinder groove cover plate is arranged at the top of the hydraulic cylinder, the supporting rod comprises a first section and a second section, the first section is fixedly connected with a hydraulic cylinder telescopic shaft, the other end of the first section is rotatably connected with the second section through a rotating seat, the other end of the second section is rotatably connected with an ear plate fixedly arranged in the middle of the back water panel, a supporting rod guide rail is arranged on the bottom plate of the box body, the rotating seat can slide on the supporting rod, the hydraulic cylinder is electrically connected with a remote control system, and the driving assembly is used for driving the door leaf to rotate around the bottom shaft; in flood season, the door leaf rotatable to vertical state is used for stopping flood, in non-flood season, the door leaf rotatable to the horizontality and with the engagement of pneumatic cylinder groove cover plate, do not influence pedestrian and vehicle free passage.
2. The adjustable interception device for urban small emergency flood control walls according to claim 1, wherein: the surface in manger plate panel middle section sets up first pressure sensor, first pressure sensor with pneumatic cylinder electric connection, first pressure sensor is used for detecting the pressure that manger plate panel bore thereby the telescopic shaft of automatic control pneumatic cylinder stretches out and draws back.
3. The adjustable interception device for urban small emergency flood control walls according to claim 2, wherein: the first pressure sensor adopts sectional type to trigger the door leaf to rise, the angle of rotation is 90 degrees after the door leaf is completely risen, and when flood comes, the pressure value that first pressure sensor bore reaches the trigger value for the first time, the pneumatic cylinder control the angle of door leaf rotation is 90/n degrees, along with the flood slowly rises, the pressure value that first pressure sensor bore reaches the trigger value for the second time, the pneumatic cylinder control the angle of door leaf rotation is 2 x 90/n degrees, and so on, until the door leaf rotates 90 degrees to vertical state, wherein n is the integer more than 3.
4. The adjustable interception device for urban small emergency flood control walls according to claim 1, wherein: the waterproof camera is arranged at one end, far away from the bottom shaft, of the water retaining panel and is electrically connected with the remote control system and the display screen, and the waterproof camera can rotate at multiple angles.
5. The adjustable interception device for the urban small emergency flood wall, according to claim 1, wherein a left cavity and a right cavity are formed in the door leaf, reinforcing devices are respectively arranged in the left cavity and the right cavity, each reinforcing device comprises a steel nail, a steel rope, a winding mechanism and an ejection mechanism, the middle section of each steel nail is fixedly connected with the steel rope, the tip of each steel nail is inclined towards the ground, each ejection mechanism comprises a compression cylinder and an air bag, the compression cylinders are connected with the air bags and are used for inflating the air bags, the air bags are tightly attached to the tail ends of the steel nails and are used for ejecting the steel nails into the ground, each winding mechanism comprises a winding roller and a motor, the tail ends of the steel ropes are fixed with the winding roller, a second pressure sensor is arranged at a position, which is one half of the height of the door leaf panel from the ground, and is electrically connected with a switch of the compression cylinders.
6. The adjustable interception device for urban small emergency flood control walls according to claim 1, wherein: and a bottom shaft water stop component is arranged between the bottom shaft fixing component and the side wall of the box body.
7. The adjustable interception device for urban small emergency flood control walls according to claim 1, wherein: rubber side water stop is arranged between the door leaves and the retaining walls on two sides.
8. The adjustable interception device for urban small emergency flood control walls according to claim 1, wherein: the remote control system comprises a record monitoring module, an abnormality alarming module, a data analysis module, a display module and a remote control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211389355.5A CN116005619A (en) | 2022-11-08 | 2022-11-08 | Adjustable interception equipment for urban small emergency flood control wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211389355.5A CN116005619A (en) | 2022-11-08 | 2022-11-08 | Adjustable interception equipment for urban small emergency flood control wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116005619A true CN116005619A (en) | 2023-04-25 |
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ID=86026212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211389355.5A Pending CN116005619A (en) | 2022-11-08 | 2022-11-08 | Adjustable interception equipment for urban small emergency flood control wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116005619A (en) |
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2022
- 2022-11-08 CN CN202211389355.5A patent/CN116005619A/en active Pending
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