CN212866241U - Town road drainage system - Google Patents
Town road drainage system Download PDFInfo
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- CN212866241U CN212866241U CN202021157954.0U CN202021157954U CN212866241U CN 212866241 U CN212866241 U CN 212866241U CN 202021157954 U CN202021157954 U CN 202021157954U CN 212866241 U CN212866241 U CN 212866241U
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Abstract
The utility model relates to a town road drainage system, belong to urban drainage technical field, it includes the soil layer, the drainage tank has been seted up along vertical direction in the inside of soil layer, the fixed capping that is provided with in inside of drainage tank, set up the mouth that falls into water that supplies the rainwater to flow in on the capping, the holding tank has all been seted up on the lateral wall that the drainage tank is relative, two holding tanks are crisscross the seting up from top to bottom along vertical direction, it is provided with the apron that is used for sealing or opening the holding tank to slide on the soil layer, the slip direction of apron is on a parallel with drainage tank depth direction, be provided with the gliding first driving piece of drive apron in the drainage tank, the drainage tank lateral wall just is located the articulated filter screen that is provided with in holding tank below, filter screen and holding tank one-to-one, the slip direction of the rotation. This application has the advantage that improves water drainage tank's drainage effect.
Description
Technical Field
The application relates to the technical field of urban drainage, in particular to a municipal road drainage system.
Background
The drainage system is a general name of various drainage ditches and buildings for removing waterlogging, preventing water stains and preventing salt, wherein facilities for collecting and conveying drainage, treating water quality, discharging and the like are combined in a certain mode to form a whole; the drainage system mainly comprises a field drainage adjusting net, various drainage ditches, a waterlogging storage lake, a drainage gate, a pumping and drainage pump station, a drainage and drainage area and the like. The excess water in the drainage area is firstly collected into a field drainage adjusting net, and then is discharged to the drainage area through drainage gates or pumping stations after being accumulated by drainage ditches at different levels or lakes.
In the prior art, as the chinese patent with the publication number of CN209923720U, a municipal road drainage structure is disclosed, which comprises a soil layer, wherein a road is arranged on the upper surface of the soil layer, the lower surface of the road is attached to the upper surface of the soil layer, a sidewalk is arranged above the upper surface of the soil layer on one side of the road, the lower surface of the sidewalk is attached to the upper surface of the soil layer, a drainage channel is formed inside the soil layer, a channel cover with a hollow structure is fixed inside the drainage channel, the upper surface of the channel cover and the upper surface of the road are on the same horizontal plane, a drainage well is formed below the sidewalk inside the soil layer, a drainage pipe with a hollow structure is fixed inside the soil layer, two ends of the drainage pipe are respectively communicated with the drainage channel and the drainage well, and one side of the sidewalk is located on the upper surface of the road and fixed on a plurality of curb stones, a plurality of teeth are symmetrically fixed on two sides of the inner surface of the drainage groove along a vertical central line, and a first metal filter screen is fixed in the drainage groove below the teeth; the teeth on the drainage groove can catch impurities such as plastic bags flowing into the drainage groove, so that the filtering effect of the filter screen is improved.
The above prior art solutions have the following drawbacks: impurities such as plastic belts hung on the teeth can cover the first metal filter screen, so that the drainage effect is influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the aim at of this application provides a town road drainage system, has the advantage that improves the drainage effect.
A municipal road drainage system comprises a soil layer, wherein a drainage groove is arranged in the soil layer along the vertical direction, a groove cover is fixedly arranged inside the drainage groove, a water falling port for rainwater to flow in is arranged on the groove cover, the opposite side walls of the drainage channel are provided with holding grooves, the two holding grooves are staggered up and down along the vertical direction, a cover plate for closing or opening the containing groove is arranged on the soil layer in a sliding way, the sliding direction of the cover plate is parallel to the depth direction of the drainage groove, a first driving piece for driving the cover plate to slide is arranged in the drainage groove, a filter screen is hinged on the side wall of the drainage groove and positioned below the accommodating groove, the filter screens are in one-to-one correspondence with the accommodating grooves, the rotation axes of the filter screens are vertical to the sliding direction of the cover plate, be provided with the connecting piece between apron and the filter screen, it is provided with the clearance piece that is used for clearing up the filter screen to slide in the holding tank.
Through adopting the above technical scheme, during the rainy day, during the rainwater on the road surface got into water drainage tank through the mouth of falling into water on the capping, the impurity of mixing in the rainwater filters through water drainage tank inner filter screen, the impurity of rainwater is detained on the filter screen, start first driving piece, the drive apron slides and opens the holding tank, at apron slip in-process, the filter screen passes through the connecting piece and rotates and be close to the holding tank, filter screen pivoted in-process, some impurity rolls to the clearance box in, the impurity that covers at the filter screen has been reduced to a certain extent, and then the drainage effect has been improved. Carry out the secondary clearance through gliding clearance piece to the filter screen, further improved the clearance effect to the filter screen to the drainage tank's drainage effect has been improved. The cover plate is driven to slide by the first driving piece in the control containing groove, so that the filter screen is driven to rotate, the filter screen is driven to be used alternately, at least one filter screen in the drainage groove is used for filtering rainwater entering the drainage groove, and the drainage effect of the drainage groove is improved.
The application is further configured to: the clearance piece is including sliding the clearance box that sets up in the holding tank, the slip direction of clearance box is on a parallel with the slip direction of apron, be provided with the gliding second driving piece of drive clearance box in the holding tank, the one side opening setting that the holding tank diapire was kept away from to the clearance box, the one end that the holding tank diapire was kept away from to the clearance box is provided with the brush hair, the soil layer is provided with the logical groove that supplies the clearance box to shift out with the holding tank intercommunication, the articulated baffle that is provided with to seal or open logical groove on the soil layer.
By adopting the technical scheme, the second driving piece is started, the cleaning box is driven to slide under the action of the second driving piece, so that part of impurities on the filter screen are scraped, and the impurities fall to the cleaning box from one side of the opening of the cleaning box, so that the cleaning effect on the filter screen is further improved, and the drainage effect of the drainage groove is improved; the impurities scraped from the filter screen are collected in the cleaning box, and workers take out the cleaning box through the through grooves to intensively treat the impurities in the cleaning box in the collection process, so that the workers can clean the impurities collected in the cleaning box; the setting of baffle can reduce from leading to the rainwater that gets into in the holding tank, prevents that the holding tank from intaking, avoids the interior impurity of clearance box to flow out in the clearance box under the drive of rainwater, reduces unnecessary cleaning work.
The application is further configured to: the first driving piece comprises a rack arranged on the cover plate, the length direction of the rack is parallel to the sliding direction of the cover plate, a first motor is arranged in the water drainage groove, and a toothed ring meshed with the rack is arranged on an output shaft of the first motor.
Through adopting above-mentioned technical scheme, start first motor, first motor drive ring gear rotates, and the ring gear rotation drives the rack and slides to make the apron slide in order to open or closed holding tank, simple and practical.
The application is further configured to: the connecting piece is including setting up the string of keeping away from the one end of capping at the apron, the one end setting that the apron was kept away from to the string keeps away from the one end that the holding tank was kept away from at the filter screen.
By adopting the technical scheme, the filter screen is conveniently driven to rotate by the string when the cover plate slides; the thin rope is cheap and easy to obtain.
The application is further configured to: and a spring is obliquely arranged between the side wall of the drainage groove and the filter screen.
By adopting the technical scheme, the filter screen is in a natural state when filtering rainwater, the spring is in a stretched state in the rotation process of the filter screen, and the filter screen returns to a required position to continue filtering the rainwater under the action of the tension of the spring after being cleaned; the arrangement of the spring can prevent the filter screen from being carelessly clamped and failing to fall back, thereby losing the filtering effect.
The application is further configured to: the second driving piece comprises a lead screw which is rotatably arranged in the accommodating groove, the rotating axis of the lead screw is parallel to the sliding direction of the cover plate, the lead screw is connected with a connecting block in a threaded manner, the cleaning box is detachably arranged on the connecting block, and a second motor for driving the lead screw to rotate is arranged in the accommodating groove.
By adopting the technical scheme, the second motor is started, the second motor drives the screw rod to rotate, and the screw rod rotates to drive the connecting block to slide along the length direction of the screw rod, so that the cleaning box is driven to slide; the sliding cleaning box is convenient for cleaning impurities attached to the filter screen, so that the drainage effect is further improved; the removable cleaning box facilitates disposal of impurities collected within the cleaning box.
The application is further configured to: the bolt is threaded on the face of the cleaning box close to the bottom wall of the accommodating groove, and a thread groove for connecting the bolt in a threaded manner is formed in the connecting block.
Through adopting above-mentioned technical scheme, the clearance box has fixed effectual and convenient to detach's advantage on the connecting block through bolt threaded connection.
The application is further configured to: the bottom of the cleaning box is inclined upwards towards one side far away from the bottom wall of the accommodating groove.
Through adopting above-mentioned technical scheme, the clearance box that the slope set up can prevent that impurity from piling up in one side that the clearance box is close to the apron, and then improves the collection effect of clearance box to impurity.
The application is further configured to: the holding tank is provided with the pipeline that communicates with the water drainage tank away from the one end of capping.
Through adopting above-mentioned technical scheme, the rainwater that enters into in the holding tank passes through the pipeline and discharges, prevents that the rainwater from piling up in the holding tank.
To sum up, the application comprises the following beneficial technical effects:
1. in the process of rotating the filter screen, part of impurities roll into the cleaning box, so that the impurities blocked on the filter screen are reduced to a certain extent, and the drainage effect is improved; the sliding cleaning piece is used for cleaning the filter screen for the second time, so that the cleaning effect on the filter screen is further improved, and the drainage effect of the drainage groove is improved; the cover plate is driven to slide by controlling the first driving piece in the containing groove, so that the filter screens are driven to rotate, the alternative use of the filter screens is further realized, at least one filter screen in the drainage groove is used for filtering rainwater entering the drainage groove, and the drainage effect of the drainage groove is further improved;
2. the sliding cleaning box can scrape partial impurities on the filter screen, and the impurities fall to the cleaning box from one side of the opening of the cleaning box, so that the cleaning effect on the filter screen is further improved, and the drainage effect of the drainage groove is improved; impurities scraped from the filter screen are collected in the cleaning box, and workers take the cleaning box out through the through grooves, so that the workers can clean the impurities collected in the cleaning box; the setting of baffle can reduce from leading to the rainwater that gets into in the holding tank, prevents that the holding tank from intaking, avoids the interior impurity of clearance box to flow out in the clearance box under the drive of rainwater, reduces unnecessary cleaning work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
fig. 2 is a cross-sectional view of the present application, showing a schematic structure of a filter screen and a cover plate.
Description of reference numerals: 1. a soil layer; 2. a water discharge tank; 3. a slot cover; 4. a water falling port; 5. accommodating grooves; 6. a cover plate; 7. filtering with a screen; 8. cleaning the box; 9. brushing; 10. a through groove; 11. a baffle plate; 12. a rack; 13. a first motor; 14. a toothed ring; 15. a string; 16. a spring; 17. a lead screw; 18. connecting blocks; 19. a second motor; 20. a pipeline; 21. a drainage well; 22. and a water discharge pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses town road drainage system, refer to fig. 1 and fig. 2, including soil layer 1, drainage tank 2 has been seted up along vertical direction in soil layer 1's inside, drainage tank 2's inside is fixed to be provided with capping 3, set up the mouth of falling into water 4 that supplies the rainwater to flow in on the capping 3, holding tank 5 has all been seted up on the lateral wall that drainage tank 2 is relative, two holding tanks 5 are crisscross about along vertical direction and are seted up, it is provided with the apron 6 that covers or open holding tank 5 to slide on soil layer 1, the slip direction of apron 6 is on a parallel with drainage tank 2 degree of depth directions, be provided with the gliding first driving piece of drive apron 6 in the drainage tank 2, first driving piece is including setting up rack 12 on apron 6, the length direction of rack 12 is on a parallel with the slip direction of baffle 11, be provided with first motor 13 in the drainage tank 2, be provided with the ring gear.
Referring to fig. 2, the lateral wall of the water drainage tank 2 is hinged to a filter screen 7 below the holding tank 5, the filter screen 7 is in one-to-one correspondence with the holding tank 5, the rotation axis of the filter screen 7 is perpendicular to the sliding direction of the cover plate 6, a connecting piece is arranged between the cover plate 6 and the filter screen 7, the connecting piece comprises a string 15 arranged at one end of the cover plate 6 far away from the tank cover 3, and one end of the string 15 far away from the cover plate 6 is arranged at one end of the filter screen 7 far away from the.
Referring to fig. 2, it is provided with the clearance piece that is used for clearing up filter screen 7 to slide in holding tank 5, clearance piece is including the clearance box 8 that slides and set up in holding tank 5, the one side opening setting that holding tank 5 diapire was kept away from to clearance box 8, the one end that holding tank 5 diapire was kept away from to clearance box 8 is provided with brush hair 9, the one side tilt up setting that holding tank 5 diapire was kept away from to clearance box 8 bottom orientation, the slip direction of clearance box 8 is on a parallel with the slip direction of apron 6, be provided with the gliding second driving piece of drive clearance box 8 in the holding tank 5, the second driving piece is including rotating the lead screw 17 that sets up in holding tank 5, the axis of rotation of lead screw 17 is on a parallel with the slip direction of apron 6, threaded connection has connecting block 18 on the lead screw 17, clearance box 8 sets up on connecting block 18, be.
When needs clear up filter screen 7, start first motor 13, first motor 13 drive ring gear 14 rotates, ring gear 14 rotates and drives rack 12 and slide, thereby order about apron 6 to slide in order to open holding tank 5, open holding tank 5 in-process in the slip of apron 6, apron 6 drives filter screen 7 through string 15 and rotates, when filter screen 7 is close to holding tank 5 diapire, close first motor 13, start second motor 19 afterwards, second motor 19 drive lead screw 17 rotates, lead screw 17 rotates and drives connecting block 18 and slide along lead screw 17 length direction, thereby order about clearance box 8 and slide and clear up filter screen 7, impurity is collected in clearance box 8 through the opening on the clearance box 8 on the filter screen 7.
The cleaning box 8 is arranged towards the opening of the surface of the cover plate 6, so that the opening of the cleaning box 8 close to one side of the cover plate 6 is effectively prevented from being blocked by large impurities such as plastic bags and the like; the impurities collected in the cleaning box 8 are gathered at the lowest position of the cleaning box 8 under the action of self gravity, so that the impurities are prevented from blocking the opening of the cleaning box 8; when the cleaning box 8 slides, the brush bristles 9 can further improve the cleaning effect on the filter screen 7.
Referring to fig. 2, in order to prevent the filter screen 7 from being inadvertently jammed, a spring 16 is obliquely arranged between the side wall of the drainage groove 2 and the filter screen 7, one end of the spring 16 is arranged on the side wall of the drainage groove 2, and the other end of the spring is arranged at one end of the filter screen 7 close to the accommodating groove 5.
After the filter screen 7 is cleaned, the filter screen 7 rotates towards the direction of the recovery deformation of the spring 16 under the action of the elastic force of the spring 16, so that the filter screen is driven to recover to a required position.
Referring to fig. 2, impurity in the clearance box 8 is convenient for clear up, clearance box 8 detachable sets up on connecting block 18, the bolt is worn to be equipped with by the screw thread on the face that clearance box 8 is close to 5 diapalls of holding tank, set up the thread groove that supplies bolt threaded connection on connecting block 18, soil layer 1 is provided with the logical groove 10 that supplies clearance box 8 to shift out with 5 intercommunications of holding tank, the length direction who leads to groove 10 is on a parallel with the slip direction of baffle 11, articulated being provided with on soil layer 1 covers or opens the baffle 11 that leads to groove 10.
When clearing up the impurity in the clearance box 8, at first rotate baffle 11 in order to open logical groove 10, thereby it slides to start second motor 19 drive clearance box 8 afterwards and is close to baffle 11, the staff rotates the bolt in the clearance box 8, make the screw thread groove on bolt and the connecting block 18 break away from, subsequently lift up clearance box 8 along leading to groove 10 and make clearance box 8 break away from logical groove 10, will clear up the impurity clearance in the box 8 and handle, will clear up in the box 8 puts into logical groove 10 after the clearance, will clear up in the screw thread groove on the connecting block 18 of the bolt screw-in on the box 8, rotate baffle 11 afterwards and close logical groove 10.
Referring to fig. 1 and 2, for preventing that the rainwater from piling up in holding tank 5, holding tank 5 keeps away from the one end of capping 3 and is provided with the pipeline 20 with water drainage tank 2 intercommunication, and 1 inside water drainage tank 2 one side that is located of soil layer has seted up drainage well 21, and 1 inside drain pipe 22 that is provided with drainage tank 2 intercommunication of soil layer, the one end that holding tank 5 was kept away from to drain pipe 22 is linked together with drainage well 21.
The rainwater accumulated in the holding tank 5 is drained into the drain tank 2 through the pipe 20, and the rainwater in the drain tank 2 is drained into the drain well 21 through the drain pipe 22.
The implementation principle of the embodiment is as follows:
after rainwater enters the drainage groove 2 through the groove cover 3, the filtered rainwater passing through the filter screen 7 is drained into the drainage well 21 through the drainage pipe 22, and impurities retained on the filter screen 7 are cleaned; first motor 13 is started at first, first motor 13 drives ring gear 14 and rotates, ring gear 14 rotates and drives rack 12 to slide, rack 12 slides and opens holding tank 5 in order to drive apron 6 to slide, apron 6 drives filter screen 7 to rotate through string 15 when sliding, filter screen 7 rotates the in-process, some impurity that is detained on filter screen 7 rolls to clearance box 8 in, be close to holding tank 5 diapire when filter screen 7, start second motor 19 afterwards, second motor 19 drives lead screw 17 and rotates, lead screw 17 rotates and drives connecting block 18 and slide along lead screw 17 length direction, thereby order about clearance box 8 and slide, when clearance box 8 slides along 5 depth direction of holding tank, further clear up the impurity that remains on filter screen 7, the impurity that strikes off through clearance box 8 is collected in clearance box 8.
When clearing up the impurity in the clearance box 8, at first rotate baffle 11 in order to open logical groove 10, the staff rotates the bolt in the clearance box 8, make the screw thread groove on bolt and the connecting block 18 break away from, lift up clearance box 8 along leading to groove 10 afterwards and make clearance box 8 break away from logical groove 10, the impurity clearance in the box 8 will be cleared up, put into logical groove 10 with clearance box 8 after the clearance, screw in the screw thread groove on the connecting block 18 with the bolt on the clearance box 8, rotate baffle 11 afterwards and close logical groove 10.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a town road drainage system, includes soil layer (1), drainage tank (2) have been seted up along vertical direction in the inside of soil layer (1), the inside fixed capping (3) that is provided with of drainage tank (2), set up the mouth of falling into water (4) that supply the rainwater to flow in on capping (3), its characterized in that: the opposite side walls of the drainage channel (2) are provided with holding grooves (5), the two holding grooves (5) are staggered up and down along the vertical direction, a cover plate (6) used for closing or opening the accommodating groove (5) is arranged on the soil layer (1) in a sliding way, the sliding direction of the cover plate (6) is parallel to the depth direction of the drainage groove (2), a first driving piece for driving the cover plate (6) to slide is arranged in the drainage groove (2), a filter screen (7) is hinged on the side wall of the drainage groove (2) and positioned below the holding groove (5), the filter screens (7) are in one-to-one correspondence with the accommodating grooves (5), the rotation axis of the filter screens (7) is vertical to the sliding direction of the cover plate (6), be provided with the connecting piece between apron (6) and filter screen (7), it is provided with the clearance piece that is used for clearing up filter screen (7) to slide in holding tank (5).
2. A municipal road drainage system according to claim 1, wherein: clearance piece is including sliding clearance box (8) that sets up in holding tank (5), the slip direction of clearance box (8) is on a parallel with the slip direction of apron (6), be provided with the gliding second driving piece of drive clearance box (8) in holding tank (5), one side opening setting that holding tank (5) diapire was kept away from in clearance box (8), the one end that holding tank (5) diapire was kept away from in clearance box (8) is provided with brush hair (9), soil layer (1) and holding tank (5) intercommunication are provided with logical groove (10) that supply clearance box (8) to shift out, articulated baffle (11) that are provided with to seal or open logical groove (10) on soil layer (1).
3. A municipal road drainage system according to claim 1, wherein: the first driving piece comprises a rack (12) arranged on the cover plate (6), the length direction of the rack (12) is parallel to the sliding direction of the cover plate (6), a first motor (13) is arranged in the drainage groove (2), and a toothed ring (14) meshed with the rack (12) is arranged on an output shaft of the first motor (13).
4. A municipal road drainage system according to claim 1, wherein: the connecting piece is including setting up string (15) of keeping away from the one end of capping (3) at apron (6), the one end setting of keeping away from apron (6) in string (15) keeps away from the one end of holding tank (5) in filter screen (7).
5. A municipal road drainage system according to claim 1, wherein: and a spring (16) is obliquely arranged between the side wall of the drainage groove (2) and the filter screen (7).
6. A municipal road drainage system according to claim 2, wherein: the second driving piece is including rotating lead screw (17) that sets up in holding tank (5), the axis of rotation of lead screw (17) is on a parallel with the slip direction of apron (6), threaded connection has connecting block (18) on lead screw (17), clearance box (8) detachable sets up on connecting block (18), be provided with drive lead screw (17) pivoted second motor (19) in holding tank (5).
7. A municipal road drainage system according to claim 6, wherein: the bolt is threaded on the face, close to the bottom wall of the accommodating groove (5), of the cleaning box (8), and a thread groove for threaded connection of the bolt is formed in the connecting block (18).
8. A municipal road drainage system according to claim 2, wherein: the bottom of the cleaning box (8) is inclined upwards towards one side far away from the bottom wall of the accommodating groove (5).
9. A municipal road drainage system according to claim 1, wherein: the holding tank (5) is provided with a pipeline (20) communicated with the drainage tank (2) at the end far away from the tank cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021157954.0U CN212866241U (en) | 2020-06-20 | 2020-06-20 | Town road drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021157954.0U CN212866241U (en) | 2020-06-20 | 2020-06-20 | Town road drainage system |
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| Publication Number | Publication Date |
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| CN212866241U true CN212866241U (en) | 2021-04-02 |
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| CN202021157954.0U Active CN212866241U (en) | 2020-06-20 | 2020-06-20 | Town road drainage system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175066A (en) * | 2021-05-11 | 2021-07-27 | 平凉市新世纪建筑工程有限责任公司 | Municipal drainage system |
| CN113584990A (en) * | 2021-07-24 | 2021-11-02 | 宁波市风景园林设计研究院有限公司 | Efficient drainage system is prevented blockking up by garden road |
| CN113863473A (en) * | 2021-09-28 | 2021-12-31 | 广州宇建建设工程有限公司 | Municipal drainage structure and construction method thereof |
| CN113908621A (en) * | 2021-11-17 | 2022-01-11 | 杭州华水市政工程有限公司 | Energy-saving emission-reducing municipal sewage treatment system |
| CN115233543A (en) * | 2022-08-19 | 2022-10-25 | 中交第一公路勘察设计研究院有限公司 | Telescopic drainage device for highway bridge deck runoff collection and treatment system |
| CN117513515A (en) * | 2024-01-08 | 2024-02-06 | 河北省水利科学研究院(河北省大坝安全技术中心、河北省堤防水闸技术中心) | Anti-blocking device for collecting sundries in drainage channel |
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2020
- 2020-06-20 CN CN202021157954.0U patent/CN212866241U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175066A (en) * | 2021-05-11 | 2021-07-27 | 平凉市新世纪建筑工程有限责任公司 | Municipal drainage system |
| CN113584990A (en) * | 2021-07-24 | 2021-11-02 | 宁波市风景园林设计研究院有限公司 | Efficient drainage system is prevented blockking up by garden road |
| CN113584990B (en) * | 2021-07-24 | 2022-08-05 | 华甬工程设计集团有限公司 | Efficient drainage system is prevented blockking up by garden road |
| CN113863473A (en) * | 2021-09-28 | 2021-12-31 | 广州宇建建设工程有限公司 | Municipal drainage structure and construction method thereof |
| CN113908621A (en) * | 2021-11-17 | 2022-01-11 | 杭州华水市政工程有限公司 | Energy-saving emission-reducing municipal sewage treatment system |
| CN113908621B (en) * | 2021-11-17 | 2023-04-14 | 杭州华水市政工程有限公司 | Energy-saving emission-reducing municipal sewage treatment system |
| CN115233543A (en) * | 2022-08-19 | 2022-10-25 | 中交第一公路勘察设计研究院有限公司 | Telescopic drainage device for highway bridge deck runoff collection and treatment system |
| CN115233543B (en) * | 2022-08-19 | 2024-05-24 | 中交第一公路勘察设计研究院有限公司 | Telescopic drainage device for road bridge deck runoff collecting and processing system |
| CN117513515A (en) * | 2024-01-08 | 2024-02-06 | 河北省水利科学研究院(河北省大坝安全技术中心、河北省堤防水闸技术中心) | Anti-blocking device for collecting sundries in drainage channel |
| CN117513515B (en) * | 2024-01-08 | 2024-03-22 | 河北省水利科学研究院(河北省大坝安全技术中心、河北省堤防水闸技术中心) | Anti-blocking device for collecting sundries in drainage channel |
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