CN110565777A - Municipal drainage system - Google Patents
Municipal drainage system Download PDFInfo
- Publication number
- CN110565777A CN110565777A CN201910841310.9A CN201910841310A CN110565777A CN 110565777 A CN110565777 A CN 110565777A CN 201910841310 A CN201910841310 A CN 201910841310A CN 110565777 A CN110565777 A CN 110565777A
- Authority
- CN
- China
- Prior art keywords
- filter plate
- plate
- filter
- hinged
- ejector rod
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a municipal drainage system, which relates to the technical field of road drainage and comprises a drainage ditch arranged close to a road shoulder, a grate plate covering the drainage ditch, a filter plate obliquely arranged below the grate plate and a lifting mechanism arranged below the filter plate; one side edge of the filter plate is hinged to the upper part of the side wall of the drainage ditch, one end of the filter plate, far away from the hinged shaft, is downwards inclined, a baffle is fixed on one side edge of the filter plate, far away from the hinged shaft, and the baffle is arranged on the surface of one side, close to the grate plate, of the filter plate; the lifting mechanism is used for controlling the filter plate to rotate around the hinged shaft of the filter plate. The invention has the effects of preventing sundries from blocking the drain pipe and facilitating the sundries cleaning.
Description
Technical Field
The invention relates to the technical field of road drainage, in particular to a municipal drainage system.
background
Underground drainage pipe construction is a very important link in the municipal construction field, and under the condition of extreme severe weather, if underground drainage pipe drainage is not timely, rainwater can be accumulated on the road, so that the driving of vehicles and pedestrians can be influenced, and the service life of the road can also be influenced. In the drainage process, sundries on the road surface easily flow into the drainage pipeline along with rainwater, in order to prevent the sundries from entering the drainage pipeline, a rainwater grate is arranged at the pipeline opening, and a filter screen is arranged below the rainwater grate for removing the sundries, but the mode easily causes the sundries to be accumulated at the rainwater grate and the filter screen, and the pipe opening can be blocked after a long time.
Chinese patent No. CN204715513U discloses a drainage device for road surface, which comprises a flat drainage plate and a pyramid drainage cover, wherein the drainage cover is reversely buckled below the drainage plate.
The drainage cover can filter and collect sundries in rainwater, but as the accumulation amount of the sundries in the drainage cover is gradually increased, the inflow amount of the rainwater at the drainage plate is gradually reduced, and even normal drainage is affected, so that workers need to manually open the drainage plate to take out the drainage cover in rainy days, and the sundries are cleaned, which is very troublesome.
Disclosure of Invention
The invention aims to provide a municipal drainage system which has the advantages of preventing sundries from blocking a drainage pipe and facilitating sundries cleaning.
The above object of the present invention is achieved by the following technical solutions:
A municipal drainage system comprises a drainage ditch arranged close to a road shoulder, a grate plate covered above the drainage ditch, a filter plate obliquely arranged below the grate plate and a lifting mechanism arranged below the filter plate;
One side edge of the filter plate is hinged to the upper part of the side wall of the drainage ditch, one end of the filter plate, far away from the hinged shaft, is downwards inclined, a baffle is fixed on one side edge of the filter plate, far away from the hinged shaft, and the baffle is arranged on the surface of one side, close to the grate plate, of the filter plate;
the lifting mechanism is used for controlling the filter plate to rotate around the hinged shaft of the filter plate.
through adopting above-mentioned technical scheme, a side edge of filter articulates the side edge in the escape canal, the opposite side limit downward sloping sets up, filter and baffle form the holding tank that supplies the impurity storage, the rainwater falls into on the filter through the comb board along the earth's surface, the comb board can prevent on the debris of bulky get into the filter, when the rainwater falls on the filter together with impurity, impurity slides down to baffle department along the plane of filter, impurity is gathering the one side that is close to the baffle on the filter, rainwater accessible filter infiltration to escape canal in. When impurity reaches a certain amount on the filter, elevating system made the filter jack-up, and the filter upwards rotated around its articulated shaft, and impurity slided to the road along the filter plane on, conveniently cleared up impurity.
The invention is further configured to: the lifting mechanism comprises a lead screw, sliding blocks in threaded connection with two ends of the lead screw, connecting rods respectively hinged to each sliding block, and a rotating frame connected to one ends, far away from the sliding blocks, of the two connecting rods, wherein the rotating frame comprises a first ejector rod, a second ejector rod arranged in parallel to the first ejector rod, and a plurality of supporting rods fixedly connected between the first ejector rod and the second ejector rod, the first ejector rod is arranged along the length direction of the filter plate and hinged to the lower surface of the filter plate, and the two connecting rods are both hinged to the second ejector rod;
The two side walls of the drainage ditch are fixedly provided with cross beams, the cross beams are perpendicular to the axis direction of the drainage ditch, the upper surface of each cross beam is provided with a slideway along the length direction of the cross beam, and the sliding block is arranged in the slideway in a sliding manner;
A placing groove is formed in one side of the drainage ditch, and a power device for driving the screw rod to rotate is arranged in the placing groove.
Through adopting above-mentioned technical scheme, when the lead screw rotated, two sliders removed to centre or both sides along the lead screw is synchronous to two connecting rods promote the filter and rotate, and at the upwards in-process that rises of filter, the rotating frame rotated between filter and connecting rod, can support the filter, can play the limiting displacement to the filter again, guaranteed that the filter can be around its articulated shaft steady rotation.
the invention is further configured to: the power device is a motor, and the lead screw penetrates through the placing groove and is connected with an output shaft of the motor.
through adopting above-mentioned technical scheme, the motor output shaft links to each other with the lead screw, and both coaxial rotations realize comparatively simply.
The invention is further configured to: the first ejector rod is hinged to the lower surface of the filter plate and is far away from the edge of one side of the hinged shaft of the filter plate, a mounting groove for accommodating the lifting mechanism is formed in the side wall of the drainage ditch, and the cross beam extends into the mounting groove.
Through adopting above-mentioned technical scheme, because impurity piles up in baffle department, first ejector pin is connected in the edge of filter, and the connecting rod is easier with the filter jack-up that makes progress.
The invention is further configured to: an inserting plate is fixed on the lower surface of the sliding block and is downwards inserted into the slideway, a plurality of roller groups are arranged on the inserting plate, each roller group comprises two rollers, and the rollers are respectively connected to the surfaces of the two sides of the inserting plate in a rotating manner;
the both sides wall of slide has seted up the spout along length direction, gyro wheel slidable mounting is in the spout.
through adopting above-mentioned technical scheme, the slider passes through gyro wheel slidable mounting in the slide, is rolling friction between gyro wheel and the spout, has reduced the frictional resistance between gyro wheel and the spout, and the slider removes more smoothly in the slide.
The invention is further configured to: the roller groups are provided with two groups along the length direction of the insertion plate.
Through adopting above-mentioned technical scheme, the roller train sets up two sets ofly, has both guaranteed the balanced sense of slider motion, has reduced gyro wheel quantity as far as possible again, has improved the lightness of equipment and has felt.
The invention is further configured to: the interior of filter is provided with the intermediate layer, the intermediate layer intussuseption is filled with the metalling.
Through adopting above-mentioned technical scheme, because the existence of metalling, can filter the mud of adulteration in the rainwater, prevent that mud is too much to cause the jam to the pipeline in the drainage system.
The invention is further configured to: the filter plate is an arc-shaped plate.
through adopting above-mentioned technical scheme, the filter is the arc, forms recessed formula holding tank between its and the baffle, holds more impurity as far as possible, and impurity also can be along the surperficial smooth motion to baffle department of filter.
In conclusion, the beneficial technical effects of the invention are as follows:
1. One side edge of the filter plate is hinged to the edge of the drainage ditch, the other end of the filter plate is inclined downwards, when rainwater and impurities fall on the filter plate, the impurities slide downwards to the position of the baffle along the plane of the filter plate, the impurities are accumulated on one side of the filter plate close to the baffle, the rainwater can downwards permeate into the drainage ditch through the filter plate, the impurities are blocked above the filter plate, a lifting mechanism is arranged below the filter plate, and when the impurities reach a certain amount, the lifting mechanism controls the filter plate to rotate around a hinged shaft of the filter plate, so that the impurities are automatically dumped on a road and are convenient to clean;
2. The two sliding blocks synchronously move towards the middle or two sides along the screw rod, so that the two connecting rods push the filter plate to rotate, and in the process that the filter plate rises upwards, the rotating frame rotates between the filter plate and the connecting rods, so that the filter plate can be supported, the filter plate can be limited, and the filter plate can be ensured to stably rotate around a hinged shaft of the filter plate;
3. Through set up the intermediate layer in the filter, set up the metalling in the intermediate layer, the metalling can filter the mud of adulteration in the rainwater.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view showing the elevating mechanism and its connection relation with the filter plate.
Fig. 3 is a schematic view of the connection relationship of the slider and the slide.
Fig. 4 is a schematic view showing the mounting position of the roller group on the slider.
Fig. 5 is a schematic view showing a movement process of the elevating mechanism.
In the figure, 1, a drainage ditch; 11. a cross beam; 12. a slideway; 13. mounting grooves; 14. a chute; 2. a grid plate; 3. a filter plate; 31. a baffle plate; 32. a crushed stone layer; 4. a lifting mechanism; 41. a lead screw; 42. a slider; 421. inserting plates; 422. a roller; 43. a connecting rod; 44. a rotating frame; 441. a first ejector rod; 442. a second ejector rod; 443. a support bar; 45. an electric motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
referring to fig. 1, the municipal drainage system disclosed by the invention comprises a drainage ditch 1, a grid plate 2 covering the drainage ditch 1, a filter plate 3 arranged in the drainage ditch 1 for filtering and collecting sundries, and a lifting mechanism 4 arranged below the filter plate 3, wherein the drainage ditch 1 is arranged at two sides of a central isolation belt of a road in actual construction, and the drainage ditch 1 is arranged close to road shoulders at two sides of the isolation belt.
Referring to fig. 2, filter 3 is an arc, and a side of filter 3 articulates in the border department on 1 lateral wall upper portion in escape canal, and a side downward sloping of its articulated shaft is kept away from to filter 3, and the edge fixedly connected with baffle 31 of its articulated shaft is kept away from to 3 upper surfaces of filter, and when filter 3 was located escape canal 1, the up end of baffle 31 laminated with the lower surface of comb board 2 mutually, and baffle 31 is in vertical state. 3 cavity settings of filter, the filtration pore has evenly been seted up on the filter 3, and it has metalling 32 to fill in the intermediate layer of filter 3 inside, and the rainwater that comes from the earth's surface falls on filter 3 through comb board 2, and filter 3 filters the impurity of rainwater, simultaneously because metalling 32's existence, can filter the mud of adulteration in the rainwater, prevents that mud is too much to cause the jam to the pipeline in the drainage system.
Referring to fig. 2 and 3, the lifting mechanism 4 includes a screw 41, a slider 42, a connecting rod 43 and a rotating frame 44, a cross beam 11 is disposed in the middle of the drainage ditch 1 in the length direction, the cross beam 11 is fixedly connected to the side wall of the drainage ditch 1, the cross beam 11 is perpendicular to the axis direction of the drainage ditch 1, a mounting groove 13 is further formed in one side wall of the drainage ditch 1 close to the central isolation strip, the width of the mounting groove 13 is equal to the width of the drainage ditch 1, and the cross beam 11 extends into the mounting groove 13. The upper surface of the crossbeam 11 is provided with a slideway 12 along the length direction thereof, the slide block 42 is slidably mounted in the slideway 12, the screw rod 41 is arranged above the crossbeam 11, the slide block 42 is in threaded connection with the screw rod 41, two ends of the screw rod 41 are provided with threads with opposite rotation directions, and the two slide blocks 42 are symmetrically arranged relative to the center of the screw rod 41.
The rotating frame 44 comprises a first ejector rod 441, a second ejector rod 442 and a support rod 443, the first ejector rod 441 and the second ejector rod 442 are arranged in parallel, the support rod 443 is fixedly connected between the first ejector rod 441 and the second ejector rod 442, a plurality of support rods 443 are uniformly arranged along the length direction of the first ejector rod 441 and the second ejector rod 442, a hinge seat is arranged on one side edge of the lower surface of the filter plate 3 away from a hinge shaft of the filter plate, two ends of the first ejector rod 441 are hinged on the filter plate 3, and the rotating frame 44 can rotate relative to the filter plate 3 as a whole; two connecting rods 43 are provided, and one end of each connecting rod 43 is hinged on the sliding block 42, and the other end of each connecting rod 43 is hinged on the second top rod 442. The gutter 1 is close to one side of median and has been seted up the standing groove, is provided with the pivoted power device of control lead screw 41 in the standing groove, and power device is motor 45 in this embodiment, and the output shaft and the 41 key-type connections of lead screw of motor 45.
Referring to fig. 3 and 4, an inserting plate 421 is fixedly connected to the lower surface of the sliding block 42, the inserting plate 421 is inserted downward into the slideway 12 and can slide in the slideway 12, two groups of roller sets are connected to the inserting plate 421 along the direction of the slideway 12, each group of roller sets includes two rollers 422, and the rollers 422 are rotatably connected to the side surface of the inserting plate 421 through rotating shafts; the two side walls of the slideway 12 are respectively provided with a sliding chute 14 for accommodating the roller 422 along the length direction, and the roller is slidably arranged in the sliding chute 14.
The implementation principle of the embodiment is as follows: referring to fig. 5, three states of the invention during use are shown, firstly, in a normal state, the filter plate 3 is positioned in the drainage ditch 1, the rotating frame 44 is supported at the lower part of the filter plate 3, rainwater falls onto the filter plate 3 through the grid plate 2 along the ground surface, the grid plate 2 can prevent large-volume impurities from entering the filter plate 3, when the rainwater and the impurities fall onto the filter plate 3, the impurities slide downwards to the baffle plate 31 along the plane of the filter plate 3, the rainwater permeates downwards to the bottom of the drainage ditch 1, an accommodating groove for storing the impurities is formed between the baffle plate 31 and the filter plate 3, when the impurities stored between the filter plate 3 and the baffle plate 31 reach a certain amount, the grid plate 2 is opened, the motor 45 drives the screw rod 41 to rotate, the two sliding blocks 42 move towards the middle, the connecting rod 43 pushes the filter plate 3 to rotate upwards, because the end part motion track of the filter plate 3 is an arc line, grooves, in the process that the filter plate 3 rises upwards, the rotating frame 44 rotates between the filter plate 3 and the connecting rod 43, so that the filter plate 3 can be supported, and the filter plate 3 can be limited; after the filter plate 3 jacks up, impurities automatically slide to the road surface, and the impurities are cleaned.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A municipal drainage system, characterized in that: comprises a drainage ditch (1) arranged close to a road shoulder, a grate plate (2) covered above the drainage ditch (1), a filter plate (3) obliquely arranged below the grate plate (2) and a lifting mechanism (4) arranged below the filter plate (3);
One side edge of the filter plate (3) is hinged to the upper part of the side wall of the drainage ditch (1), one end, far away from a hinged shaft, of the filter plate (3) is inclined downwards, a baffle (31) is fixed on one side edge, far away from the hinged shaft, of the filter plate (3), and the baffle (31) is arranged on the surface of one side, close to the grate plate (2), of the filter plate (3);
The lifting mechanism (4) is used for controlling the filter plate (3) to rotate around a hinged shaft thereof.
2. a municipal drainage system according to claim 1, wherein: the lifting mechanism (4) comprises a lead screw (41), sliding blocks (42) in threaded connection with two ends of the lead screw (41), connecting rods (43) respectively hinged to each sliding block (42) and a rotating frame (44) connected to one end, far away from the sliding blocks (42), of each connecting rod (43), the rotating frame (44) comprises a first ejector rod (441), a second ejector rod (442) parallel to the first ejector rod (441) and a plurality of supporting rods (443) fixedly connected between the first ejector rod (441) and the second ejector rod (442), the first ejector rod (441) is arranged along the length direction of the filter plate (3) and hinged to the lower surface of the filter plate (3), and the two connecting rods (43) are hinged to the second ejector rod (442);
the two side walls of the drainage ditch (1) are fixedly provided with cross beams (11), the cross beams (11) are perpendicular to the axis direction of the drainage ditch (1), the upper surface of each cross beam (11) is provided with a slideway (12) along the length direction of the cross beam, and the sliding block (42) is arranged in the slideway (12) in a sliding manner;
A placing groove is formed in one side of the drainage ditch (1), and a power device for driving the screw rod (41) to rotate is arranged in the placing groove.
3. A municipal drainage system according to claim 2, wherein: the power device is a motor (45), and the screw rod (41) penetrates into the placing groove and is connected with an output shaft of the motor (45).
4. A municipal drainage system according to claim 2, wherein: first ejector pin (441) articulates the edge of one side of keeping away from its articulated shaft at filter (3) lower surface, set up mounting groove (13) that hold elevating system (4) on the lateral wall of escape canal (1), crossbeam (11) extend to in mounting groove (13).
5. A municipal drainage system according to claim 2, wherein: an inserting plate (421) is fixed on the lower surface of the sliding block (42), the inserting plate (421) is downwards inserted into the slideway (12), a plurality of roller groups are arranged on the inserting plate (421), each roller group comprises two rollers (422), and the rollers (422) are respectively and rotatably connected to the surfaces of the two sides of the inserting plate (421);
The two side walls of the slide way (12) are provided with slide grooves (14) along the length direction, and the rollers (422) are slidably mounted in the slide grooves (14).
6. A municipal drainage system according to claim 5, wherein: two groups of roller groups are arranged along the length direction of the inserting plate (421).
7. a municipal drainage system according to claim 1, wherein: the interior of filter (3) is provided with the intermediate layer, the intermediate layer intussuseption is filled with metalling (32).
8. A municipal drainage system according to claim 1, wherein: the filter plate (3) is an arc-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841310.9A CN110565777A (en) | 2019-09-06 | 2019-09-06 | Municipal drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841310.9A CN110565777A (en) | 2019-09-06 | 2019-09-06 | Municipal drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110565777A true CN110565777A (en) | 2019-12-13 |
Family
ID=68778169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910841310.9A Pending CN110565777A (en) | 2019-09-06 | 2019-09-06 | Municipal drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565777A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204915A (en) * | 2020-01-19 | 2020-05-29 | 重庆尚泽源环保科技有限公司 | Diversified sewage treatment device |
| CN111514980A (en) * | 2020-04-13 | 2020-08-11 | 孙长野 | Multi-level sieving mechanism of grit for construction |
| CN112211265A (en) * | 2020-09-16 | 2021-01-12 | 重庆贻晨兴工业设计有限责任公司 | Automatic-opening water-inlet-preventing device special for basement and using method |
| CN113233624A (en) * | 2021-04-27 | 2021-08-10 | 无锡市亨利富建设发展有限公司 | Municipal sewage integrates processing apparatus |
| CN113404152A (en) * | 2021-06-23 | 2021-09-17 | 周早弘 | Town road drainage device |
| CN114288726A (en) * | 2021-11-10 | 2022-04-08 | 武汉景天园林有限公司 | Gardens are with automatic retaining irrigation system of environment-friendly |
| CN114319265A (en) * | 2021-11-25 | 2022-04-12 | 安徽鑫汇水利电力工程有限责任公司 | High-standard farmland channel construction method and structure |
| CN115182216A (en) * | 2022-07-14 | 2022-10-14 | 济南市章丘区市政工程处 | Drainage system of road construction |
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| US20060201860A1 (en) * | 2005-03-11 | 2006-09-14 | Henry Happel | Storm water drain system |
| JP2010248860A (en) * | 2009-04-20 | 2010-11-04 | Nippon Sutetsupu Kogyo Kk | Bottom filter device for infiltration |
| CN205712442U (en) * | 2016-06-27 | 2016-11-23 | 南京园林建设总公司 | A kind of rainwater recovery device |
| CN206971351U (en) * | 2017-07-04 | 2018-02-06 | 浙江科技学院 | Miscellaneous inlet for stom water is cut on a kind of integral type road surface |
| CN206987029U (en) * | 2017-05-09 | 2018-02-09 | 中国水利水电第十三工程局有限公司 | A kind of highway discharge filtering device |
| CN207621621U (en) * | 2017-11-30 | 2018-07-17 | 湖北科技学院 | A kind of computer display |
| CN207758613U (en) * | 2018-01-22 | 2018-08-24 | 娄玉勇 | A kind of height-adjustable tractor seat device |
| CN208201740U (en) * | 2018-03-05 | 2018-12-07 | 上海浦东公路养护建设有限公司 | A kind of highway maintenance guard bar washing device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060201860A1 (en) * | 2005-03-11 | 2006-09-14 | Henry Happel | Storm water drain system |
| JP2010248860A (en) * | 2009-04-20 | 2010-11-04 | Nippon Sutetsupu Kogyo Kk | Bottom filter device for infiltration |
| CN205712442U (en) * | 2016-06-27 | 2016-11-23 | 南京园林建设总公司 | A kind of rainwater recovery device |
| CN206987029U (en) * | 2017-05-09 | 2018-02-09 | 中国水利水电第十三工程局有限公司 | A kind of highway discharge filtering device |
| CN206971351U (en) * | 2017-07-04 | 2018-02-06 | 浙江科技学院 | Miscellaneous inlet for stom water is cut on a kind of integral type road surface |
| CN207621621U (en) * | 2017-11-30 | 2018-07-17 | 湖北科技学院 | A kind of computer display |
| CN207758613U (en) * | 2018-01-22 | 2018-08-24 | 娄玉勇 | A kind of height-adjustable tractor seat device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204915A (en) * | 2020-01-19 | 2020-05-29 | 重庆尚泽源环保科技有限公司 | Diversified sewage treatment device |
| CN111204915B (en) * | 2020-01-19 | 2022-03-22 | 重庆尚泽源环保科技有限公司 | Diversified sewage treatment device |
| CN111514980A (en) * | 2020-04-13 | 2020-08-11 | 孙长野 | Multi-level sieving mechanism of grit for construction |
| CN112211265A (en) * | 2020-09-16 | 2021-01-12 | 重庆贻晨兴工业设计有限责任公司 | Automatic-opening water-inlet-preventing device special for basement and using method |
| CN113233624A (en) * | 2021-04-27 | 2021-08-10 | 无锡市亨利富建设发展有限公司 | Municipal sewage integrates processing apparatus |
| CN113233624B (en) * | 2021-04-27 | 2022-03-01 | 无锡市亨利富建设发展有限公司 | Municipal sewage integrates processing apparatus |
| CN113404152A (en) * | 2021-06-23 | 2021-09-17 | 周早弘 | Town road drainage device |
| CN114288726A (en) * | 2021-11-10 | 2022-04-08 | 武汉景天园林有限公司 | Gardens are with automatic retaining irrigation system of environment-friendly |
| CN114319265A (en) * | 2021-11-25 | 2022-04-12 | 安徽鑫汇水利电力工程有限责任公司 | High-standard farmland channel construction method and structure |
| CN115182216A (en) * | 2022-07-14 | 2022-10-14 | 济南市章丘区市政工程处 | Drainage system of road construction |
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Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |