CN113047391B - A drainage device for improving easy ponding road security - Google Patents
A drainage device for improving easy ponding road security Download PDFInfo
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- CN113047391B CN113047391B CN202110288447.3A CN202110288447A CN113047391B CN 113047391 B CN113047391 B CN 113047391B CN 202110288447 A CN202110288447 A CN 202110288447A CN 113047391 B CN113047391 B CN 113047391B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/041—Accessories therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
- E03F2005/068—Gully gratings with means for enhancing water flow
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to the technical field of road traffic equipment, and discloses a drainage device for improving the safety of roads easy to accumulate water, which comprises a well cover top plate and an installation extension cylinder, wherein an inclined drainage device is fixedly installed in the well cover top plate, the inclined drainage device comprises an installation cylinder, a connecting ring is fixedly installed on the inner wall of the installation cylinder, rotary connecting pieces are fixedly installed on annular arrays on the inner side of the connecting ring, a drainage screen plate is rotatably installed on the rotary connecting pieces, and the drainage screen plate is used for drainage and accumulated water drainage; according to the drainage device for improving the safety of the road prone to water accumulation, due to the fact that the drainage device is arranged in the lifting and discharging mode, when water accumulation occurs on the road, the requirement of drainage rate cannot be met by a common drainage mode, at the moment, the lifting and discharging device descends, the drainage net and the lifting drainage plate are not attached to each other, and therefore the drainage rate is doubled.
Description
Technical Field
The invention relates to the technical field of road traffic equipment, in particular to a drainage device for improving the safety of roads easy to accumulate water.
Background
Along with the development of human society, all industries can not leave traffic transportation, the role of road traffic is very important under the current large environment, in the process of road traffic, a drainage system is very important, in rainy seasons or flood areas, the water quantity exceeds the drainage rate of a drainage well cover, so that water is often accumulated on roads, the road water accumulation seriously influences the road traffic, when the water is accumulated on the roads, the water is continuously drained into the drainage system through the drainage well cover, but in the flowing process of the water flow, hard substances such as stones and the like on the road surface and the periphery of the roads are driven to flow along with the water flow and are finally intercepted on the surface of the drainage well cover, when the stone quantity is continuously increased, vehicles roll and move, the drainage well cover groove is easy to be blocked, the water accumulation enables the pedestrians who drive to not determine the position of the well cover, and when more stones are accumulated on the upper side of the well cover, the pedestrians who drive to suddenly pass through the upper side of the well cover, the wheel presses the convex stone to lead to loosening and sliding, and the turnover and other conditions are easy to occur.
Disclosure of Invention
The invention aims to provide a drainage device for improving the safety of a road prone to water accumulation, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The invention relates to a drainage device for improving the safety of a road prone to water accumulation, which comprises a well cover top plate and an installation extension cylinder, wherein an inclined drainage device is fixedly installed in the well cover top plate, the inclined drainage device comprises an installation cylinder, a connecting ring is fixedly installed on the inner wall of the installation cylinder, a rotary connecting piece is fixedly installed in an annular array on the inner side of the connecting ring, a drainage screen plate is rotatably installed on the rotary connecting piece and used for drainage and accumulated water drainage, an installation air pressure ring is fixedly installed on the inner side of the installation cylinder, a pneumatic telescopic rod is installed in an annular array on the inner side of the installation air pressure ring, a rotary connecting block is fixedly installed at the tail end of the pneumatic telescopic rod and can be slidably installed on the lower side end face of the drainage screen plate, a lifting chute is fixedly installed on the inner wall of the installation extension cylinder, and a lifting telescopic rod is fixedly installed in the lifting chute, the tail end of the lifting telescopic rod is fixedly provided with a lifting slide block, the end face of the outer side of the lifting slide block is fixedly provided with a right support rod, the tail end of the right support rod is fixedly provided with a lifting drainage device, the lifting drainage device comprises a lifting drainage plate, a discharge circular groove is arranged in the lifting drainage plate and used for assisting in discharging stone impurities, a receiving expansion cylinder is arranged in the discharge circular groove in a lifting manner and used for receiving stone drainage and avoiding blocking, a telescopic rubber sleeve is fixedly arranged on the lower side of the receiving expansion cylinder and used for telescopic action, a gas transmission cavity is arranged in the top plate of the well cover and can be lifted, an annular pressure plate is arranged in the gas transmission cavity, a return spring is fixedly arranged on the lower side end face of the annular pressure plate and used for resetting, and an annular gas bag is fixedly arranged on the lower end face of the annular pressure plate, the annular air bag is communicated with an air transmission pipe, the tail end of the air transmission pipe is communicated with the mounting air pressure ring, and the air transmission pipe is used for air pressure transmission.
Further technical scheme, bilateral symmetry fixed mounting has two baffle device in the lift drain bar, baffle device is including retrieving the board, retrieve the inboard fixed mounting of board and retrieve the electro-magnet, it has the recovery slider to retrieve in the board slidable mounting, it has supporting spring to retrieve slider medial extremity face fixed mounting, supporting spring is used for the action that resets, it has the recovery baffle to retrieve slider outside end face fixed mounting, it is sealed that the recovery baffle is used for laminating each other the circular slot of draining into.
Further technical scheme, drainage otter board downside terminal surface fixed mounting has the control spout, slidable mounting has the translation slider in the control spout, translation slider fixed mounting has the top force spring, the top force spring is used for relaxing the action that resets, translation slider downside terminal surface fixed mounting has the rotation connecting block.
Further technical scheme, fixed mounting has the spout that resets in the installation extension section of thick bamboo, slidable mounting has the slider that resets in the spout that resets, terminal surface fixed mounting has reset spring under the slider that resets, reset spring is used for supporting and resets, slider fixed mounting resets has a left side to put the bracing piece, a left side put bracing piece fixed mounting in lift drain bar downside terminal surface.
According to the further technical scheme, drain holes are formed in the lifting drain board in an annular array mode and are used for daily drainage.
According to the technical scheme, a receiving telescopic rod is fixedly mounted on the lower end face of the lifting drainage plate, and the tail end of the receiving telescopic rod is fixedly mounted on the lower end face of the receiving expansion cylinder.
Further technical scheme, annular pressure plate up end fixed mounting has annular friction circle, annular friction circle is used for improving frictional force and avoids skidding.
The invention has the beneficial effects that:
according to the drainage device for improving the safety of the road prone to water accumulation, due to the arrangement of the lifting drainage device, when the water accumulation condition occurs on the road, the requirement of drainage speed cannot be met by a common drainage mode, at the moment, the lifting drainage device descends, so that the drainage net is not attached to the lifting drainage plate any more, the drainage speed is doubled, and meanwhile, due to the daily attachment arrangement of the lifting drainage plate, the daily drainage requirement is met, and meanwhile, impurities on the surface of the road can be effectively prevented from falling into a drainage system to cause extra burden on the drainage system;
according to the drainage device for improving the safety of the road prone to water accumulation, due to the arrangement of the inclined drainage device, after the lifting drainage device is started to descend, a gap is formed between the drainage net and the lifting drainage plate, the drainage net is inclined downwards in a rotating connection mode of the drainage net, so that water flow can flow in at an accelerated speed under the action of gravity and an inclined plane, the drainage speed is further improved, and due to the inclined drainage mode, impurities such as stones and weeds mixed in the water flow are prevented from staying on the surface of the drainage net and meshes to cause accumulation or blockage, so that the drainage efficiency and the stability are greatly improved, and the running safety of the road prone to water accumulation is ensured;
the drainage device for improving the safety of the road prone to water accumulation is formed by combining the inclined drainage device and the lifting drainage device, the hollow circular drainage groove is formed by the installation and arrangement mode of the fan-shaped drainage net in the inclined drainage device, when the drainage net is inclined, the diameter of the circular drainage groove is enlarged, and then when blocky hard substances flow with water, the blocky hard substances cannot be accumulated on the surface of a well cover and enter a drainage pipeline through the circular drainage groove, and meanwhile, under the action of the lifting drainage device on the upper side, the lifting receiving device is arranged in an expanding manner, so that the blocky substances are directly drained into the drainage pipeline after passing through the drainage net, and the situation that the blocky substances are placed on the upper side of the lifting drainage plate due to disordered water flow in the drainage process to block or difficult drainage is avoided;
the drainage device for improving the safety of the road prone to water accumulation can avoid potential safety hazards caused by accumulation on the upper side of the well cover and improve the drainage rate by the aid of the support device, and meanwhile, the drainage device is matched with a lifting air bag of the support device driven by a pedestrian through pressure of a front wheel when a vehicle is driven by the pedestrian, so that internal air pressure is quickly pressed into the support pneumatic rod, the support pneumatic rod is extended to drive the drainage net to reset to a horizontal state in the driving process, wheels are supported, weightlessness experience when the vehicle is driven by an inclined angle is avoided, and the influence of the position and the state of the well cover on driving safety of a water accumulation road is thoroughly avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the inclined drain 20 of FIG. 1;
FIG. 3 is an enlarged view of the structure of the elevating drainage means 21 in FIG. 1;
fig. 4 is an enlarged structural view of the baffle unit 37 in fig. 3;
fig. 5 is an enlarged schematic view of a in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine figures 1-5 a drainage device for improving easy ponding road security, extend a section of thick bamboo 12 including well lid roof 11, installation, fixed mounting has slope drainage device 20 in the well lid roof 11, slope drainage device 20 is including an installation section of thick bamboo 30, installation section of thick bamboo 30 inner wall fixed mounting has go-between 31, the inboard annular array fixed mounting of go-between 31 has rotation connecting piece 32, it rotates to rotate connecting piece 32 and installs drainage otter board 33, drainage otter board 33 is used for drainage and ponding drainage, the inboard fixed mounting of an installation section of thick bamboo 30 has installation pneumatic ring 52, pneumatic telescopic link 51 is installed to the inboard annular array of installation pneumatic ring 52, the terminal fixed mounting of pneumatic telescopic link 51 has rotation connecting block 50, but rotation connecting block 50 slidable mounting in drainage otter board 33 downside terminal surface, installation extension section of thick bamboo 12 inner wall fixed mounting has lift spout 27, a lifting telescopic rod 28 is fixedly installed in the lifting chute 27, a lifting slider 29 is fixedly installed at the tail end of the lifting telescopic rod 28, a right supporting rod 26 is fixedly installed on the outer end face of the lifting slider 29, a lifting drainage device 21 is fixedly installed at the tail end of the right supporting rod 26, the lifting drainage device 21 comprises a lifting drainage plate 35, a discharge circular groove 38 is formed in the lifting drainage plate 35, the discharge circular groove 38 is used for assisting in discharging stone impurities, a receiving expansion cylinder 41 is installed in the discharge circular groove 38 in a lifting manner, the receiving expansion cylinder 41 is used for receiving stone drainage to avoid clamping, a telescopic rubber sleeve 42 is fixedly installed at the lower side of the receiving expansion cylinder 41, the telescopic rubber sleeve 42 is used for telescopic action, a gas transmission cavity 13 is formed in the well lid top plate 11, an annular pressing plate 15 is installed in the gas transmission cavity 13 in a lifting manner, and a return spring 17 is fixedly installed at the lower end face of the annular pressing plate 15, the return spring 17 is used for resetting, the annular air bag 14 is fixedly mounted on the lower end face of the annular pressing plate 15, the annular air bag 14 is communicated with an air transmission pipe 53, the tail end of the air transmission pipe 53 is communicated with the mounting air pressure ring 52, and the air transmission pipe 53 is used for air pressure transmission.
Preferably, bilateral symmetry fixed mounting has two retaining device 37 in the lift drain bar 35, retaining device 37 is including retrieving board 40, fixed mounting retrieves electro-magnet 43 in retrieving board 40, slidable mounting retrieves slider 45 in retrieving board 40, it has supporting spring 46 to retrieve slider 45 medial surface fixed mounting, supporting spring 46 is used for the action that resets, retrieve slider 45 outside end fixed mounting has the recovery baffle 44, it is sealed to retrieve baffle 44 and be used for laminating each other arrange into circular slot 38.
Preferably, drainage otter board 33 downside terminal surface fixed mounting has control spout 47, slidable mounting has translation slider 48 in the control spout 47, translation slider 48 fixed mounting has top force spring 49, top force spring 49 is used for relaxing the action that resets, translation slider 48 downside terminal surface fixed mounting has rotation connecting block 50.
Preferably, the installation extends a section of thick bamboo 12 internal fixation and has the spout 23 that resets, sliding mounting has the slider 25 that resets in the spout 23 that resets, terminal surface fixed mounting has reset spring 24 under the slider 25 that resets, reset spring 24 is used for supporting and resets, slider 25 fixed mounting that resets has a left side to put bracing piece 62, a left side put bracing piece 62 fixed mounting in lift drain bar 35 downside terminal surface.
Preferably, the lifting drain board 35 is provided with drain holes 36 in an annular array, and the drain holes 36 are used for daily drainage.
Preferably, a telescopic receiving rod 39 is fixedly installed on the lower end surface of the lifting drain plate 35, and the tail end of the telescopic receiving rod 39 is fixedly installed on the lower end surface of the telescopic receiving cylinder 41.
Preferably, an annular friction ring 16 is fixedly mounted on the upper end surface of the annular pressure plate 15, and the annular friction ring 16 is used for increasing friction force to avoid slipping.
The specific using method of the invention is as follows:
when water accumulation occurs on a road, daily accumulated water is small, the accumulated water can be discharged into a drainage system through the drainage holes 36, but when the accumulated water on the road is too large, the accumulated water is continuously discharged into the drainage system through the drainage well cover, but in the flowing process of the accumulated water flow, hard substances such as stones and the like on the road surface and the periphery of the road can be driven to flow along with the water flow and are accumulated on the upper side of the well cover, and the position of the well cover and the state of the upper side of the well cover can not be determined by pedestrians when the pedestrians drive the road;
furthermore, when the accumulated water amount is too large, the lifting telescopic rod 28 is started to descend, so that the lifting drainage device 21 descends, the lifting drainage plate 35 and the drainage net plate 33 are not attached tightly, meanwhile, the recovery electromagnet 43 is electrified, the recovery baffle 44 is not discharged into the circular groove 38 in a sealing manner, and further, the drainage efficiency is greatly improved by means of increasing gaps and drainage channels;
meanwhile, when the lifting drainage plate 35 is not attached to the supporting drainage screen plate 33 any more, the drainage screen plate 33 naturally deflects downwards by a certain angle, so that the guiding force to the water flow is increased in the drainage process, the water inflow speed is accelerated, and meanwhile, the internal inclination angle can enable hard impurities such as stones washed in water to be discharged through a circular groove formed in the middle of the fan-blade-shaped drainage screen plate 33, so that the stones and the like are prevented from being accumulated on the well cover to influence the driving safety;
further matching with the receiving telescopic rod 39 to start, driving the receiving expanding cylinder 41 to rise, so that the stones rushing along with the water flow are received and guided, and directly enter the drainage system, thereby avoiding the problem that the stones and other substances cannot be discharged because the disordered water flow is stopped and clamped between the lifting drainage plate 35 and the drainage net plate 33;
when a pedestrian drives the vehicle, the wheel presses the annular pressure plate 15, so that air pressure in the annular air bag 14 quickly rushes into the mounting air pressure ring 52, the pneumatic telescopic rod 51 is quickly extended, the translation sliding block 48 slides, the lifting drainage plate 35 which inclines downwards is supported to be in a horizontal state, and the wheel normally drives through.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a drainage device for improving easy ponding road security, extends a section of thick bamboo, its characterized in that including well lid roof, installation: the inclined drainage device is fixedly arranged in the top plate of the well lid and comprises an installation cylinder, the inner wall of the installation cylinder is fixedly provided with a connecting ring, the annular array at the inner side of the connecting ring is fixedly provided with a rotary connecting piece, the rotary connecting piece is rotatably provided with a drainage screen plate, the inner side of the installation cylinder is fixedly provided with an installation air pressure ring, the annular array at the inner side of the installation air pressure ring is provided with a pneumatic telescopic rod, the tail end of the pneumatic telescopic rod is fixedly provided with a rotary connecting block, the rotary connecting block can be slidably arranged at the lower side end surface of the drainage screen plate, the inner wall of the installation extension cylinder is fixedly provided with a lifting chute, a lifting telescopic rod is fixedly arranged in the lifting chute, the tail end of the lifting telescopic rod is fixedly provided with a lifting slide block, the outer end surface of the lifting slide block is fixedly provided with a right-arranged support rod, and the tail end of the right-arranged support rod is fixedly provided with a lifting drainage device, the lifting drainage device comprises a lifting drainage plate, an exhaust circular groove is formed in the lifting drainage plate, a receiving expansion cylinder is arranged in the exhaust circular groove in a lifting mode, a telescopic rubber sleeve is fixedly arranged on the lower side of the receiving expansion cylinder, a gas transmission cavity is formed in a top plate of the well lid, an annular pressure plate is arranged in the gas transmission cavity in a lifting mode, a return spring is fixedly arranged on the lower side end face of the annular pressure plate, an annular air bag is fixedly arranged on the lower end face of the annular pressure plate, the annular air bag is communicated with a gas transmission pipe, and the tail end of the gas transmission pipe is communicated with the mounting gas pressure ring; bilateral symmetry fixed mounting has two retaining device in the lift drain bar, retaining device is including retrieving the board, retrieve the inboard fixed mounting of board and retrieve the electro-magnet, it has the recovery slider to retrieve the inboard slidable mounting of board, it has supporting spring to retrieve slider medial extremity terminal surface fixed mounting, retrieve slider outside end face fixed mounting and retrieve the baffle.
2. A drainage device for improving the safety of water prone roads according to claim 1, wherein: the drainage otter board downside terminal surface fixed mounting has the control spout, slidable mounting has the translation slider in the control spout, translation slider fixed mounting has the jacking spring, translation slider downside terminal surface fixed mounting has the rotation connecting block.
3. The drainage device for improving the safety of a water accumulation prone road according to claim 1, characterized in that: the utility model discloses a water drainage plate, including an installation extension section of thick bamboo, the installation extension section of thick bamboo is fixed mounting has the spout that resets, slidable mounting has the slider that resets in the spout that resets, terminal surface fixed mounting has reset spring under the slider that resets, slider fixed mounting resets puts the bracing piece on a left side, put on a left side bracing piece fixed mounting in the side terminal surface under the lift drain bar.
4. A drainage device for improving the safety of water prone roads according to claim 1, wherein: and drain holes are formed in the lifting drain board in an annular array manner.
5. The drainage device for improving the safety of a water accumulation prone road according to claim 1, characterized in that: the lower end face of the lifting drainage plate is fixedly provided with a receiving telescopic rod, and the tail end of the receiving telescopic rod is fixedly arranged on the lower end face of the receiving expansion cylinder.
6. A drainage device for improving the safety of water prone roads according to claim 1, wherein: and an annular friction ring is fixedly arranged on the upper end surface of the annular pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288447.3A CN113047391B (en) | 2021-03-18 | 2021-03-18 | A drainage device for improving easy ponding road security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288447.3A CN113047391B (en) | 2021-03-18 | 2021-03-18 | A drainage device for improving easy ponding road security |
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| CN113047391A CN113047391A (en) | 2021-06-29 |
| CN113047391B true CN113047391B (en) | 2022-07-26 |
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| CN202110288447.3A Active CN113047391B (en) | 2021-03-18 | 2021-03-18 | A drainage device for improving easy ponding road security |
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| CN114876038A (en) * | 2022-06-02 | 2022-08-09 | 广东广台工程有限公司 | Urban drainage filters edulcoration structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9416516B2 (en) * | 2014-08-22 | 2016-08-16 | Neenah Foundry Company | Pressure responsive locking latch arrangement for manhole covers |
| KR20160068164A (en) * | 2014-12-05 | 2016-06-15 | 주식회사 기산 | Sewerage stink block apparatus |
| KR20160071050A (en) * | 2014-12-11 | 2016-06-21 | 최기재 | The initial rain processing unit of filtering type mounted on Rain Gutters for nonpoint pollution sources removal and odor removal and flood prevention |
| CN205475640U (en) * | 2016-03-24 | 2016-08-17 | 成都陶玛斯卫浴有限责任公司 | Quick drainage device in bathing room |
| CN206570843U (en) * | 2016-11-01 | 2017-10-20 | 徐颖清 | It is a kind of to adjust the drain well lid of perforate |
| CN206681113U (en) * | 2017-04-24 | 2017-11-28 | 浙江中景市政园林建设有限公司 | A kind of urban road drainage system |
| CN210507742U (en) * | 2019-05-29 | 2020-05-12 | 周其明 | Lifting inspection well cover |
| CN110499817B (en) * | 2019-10-12 | 2020-11-03 | 新乡岳衡电子信息技术有限公司 | Automatic adjusting well lid capable of preventing water accumulation |
| CN211922929U (en) * | 2020-03-05 | 2020-11-13 | 大连职业技术学院 | Automatic drainage well lid of upset |
| CN212078197U (en) * | 2020-04-29 | 2020-12-04 | 李春闯 | Pipe trench well lid and town road integral structure |
| CN112227493B (en) * | 2020-10-22 | 2022-01-11 | 浙江华舟建设有限公司 | Municipal drainage is with having city drainage device of stifled mechanism of high efficiency prevention |
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Effective date of registration: 20220701 Address after: 250000 No. 58, Daqiao South Road, Laiwu high tech Zone, Jinan City, Shandong Province (West of sun story village) Applicant after: Shandong Taidong Highway Engineering Co.,Ltd. Address before: 311500 group 5, Qingyuan village, Jiangnan Town, Tonglu County, Hangzhou City, Zhejiang Province Applicant before: Pan Xinlv |
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