CN113846738A - Drainage anti-blocking device for floor of tunnel - Google Patents
Drainage anti-blocking device for floor of tunnel Download PDFInfo
- Publication number
- CN113846738A CN113846738A CN202111168587.3A CN202111168587A CN113846738A CN 113846738 A CN113846738 A CN 113846738A CN 202111168587 A CN202111168587 A CN 202111168587A CN 113846738 A CN113846738 A CN 113846738A
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- Prior art keywords
- drainage
- tunnel
- rod
- water
- moving rod
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
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- 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
- E03F3/046—Open sewage channels
-
- 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
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
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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
Abstract
The invention provides a drainage anti-blocking device of a floor of a tunnel, which can dredge water inlet holes of a drainage plate in time through a top block to prevent a drainage groove from being blocked and avoid rainwater accumulation in the tunnel, and comprises a tunnel body, wherein the tunnel body consists of a downhill inclined plane and a tunnel plane, the junction of the tunnel plane and the downhill inclined plane is provided with the drainage groove, the top of the drainage groove is embedded with the drainage plate, and the drainage plate is provided with n water inlet holes; a moving rod and a driving mechanism are arranged in the drainage groove, and the moving rod is provided with a plurality of n top blocks; the driving mechanism controls and pushes the movable rod to reciprocate up and down, when the movable rod moves upwards, the top block is inserted into the water inlet hole, and when the movable rod moves downwards, the top block is separated from the water inlet hole.
Description
Technical Field
The invention relates to the technical field of tunnels, in particular to a drainage anti-blocking device for a tunnel bottom plate.
Background
Along with the continuous development of urban construction, the construction of urban vehicle tunnels is more and more common, so that the smoothness of vehicle running can be ensured, and the urban vehicle tunnels can be combined with the utilization of urban underground space. The most common connecting building for passing from an overground space to an underground space is a tunnel, the tunnel consists of a downhill slope and a tunnel plane, the tunnel plane is positioned at the bottom of the downhill slope, and the building structure is commonly used at an entrance and an exit of the urban underground space, such as an underground garage and the like.
The current tunnel can set up water drainage tank at entry and export slope department usually and carry out waterproofly, and the rainwater that will trickle into the tunnel is discharged from water drainage tank, prevents inside the rainwater enters into the tunnel, leads to the rainwater to gather in the tunnel, leads to the vehicle can't pass.
Under the usual condition, for the convenience of vehicle current, can install the drain bar on the water drainage tank, the inlet opening has been seted up on the drain bar, however when discharging the rainwater, often can be because debris are washed to water drainage tank upper portion by the rainwater, the inlet opening to on the water drainage tank causes the jam, make rainwater exhaust speed slower, under the condition that meets heavy rain weather, the rainwater gathers in the tunnel appears very easily, cause the vehicle can't pass, the difficulty of traffic has been increased, if meet extreme heavy rain weather, the water drainage tank blocks up unable smooth drainage, make the tunnel internal water amasss, cause the casualties very easily.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drainage anti-blocking device for a floor of a tunnel, which can dredge the water inlet hole of a drainage plate in time through a top block, prevent a drainage groove from being blocked and avoid rainwater from gathering in the tunnel.
The invention is realized by the following technical scheme:
a drainage anti-blocking device for a tunnel bottom plate comprises a tunnel body, wherein the tunnel body consists of a downhill inclined plane and a tunnel plane, a drainage groove is formed in the joint of the tunnel plane and the downhill inclined plane, a drainage plate is embedded at the top of the drainage groove, and n water inlet holes are formed in the drainage plate; a moving rod and a driving mechanism are arranged in the drainage groove, and the moving rod is provided with a plurality of n top blocks; the driving mechanism controls and pushes the movable rod to reciprocate up and down, when the movable rod moves upwards, the top block is inserted into the water inlet hole, and when the movable rod moves downwards, the top block is separated from the water inlet hole.
Furthermore, water passing grooves are formed in the left side and the right side of the downhill inclined plane, and the left side wall and the right side wall of each water passing groove are rotatably connected with first rotating rods;
the driving mechanism comprises a second rotating rod, an eccentric wheel and two impellers, the two impellers of the second rotating rod are correspondingly and rotatably connected to the two first rotating rods respectively, the second rotating rod is rotatably connected to the left inner wall and the right inner wall of the drainage tank, the eccentric wheel is fixed on the second rotating rod, and the eccentric wheel is positioned under the moving rod and is in contact with the moving rod;
the two first rotating rods are respectively in transmission connection with the left end and the right end of the second rotating rod through the transmission belt assembly.
Furthermore, both ends are equipped with the backup pad respectively about the water drainage tank, rotate the pivot that is connected with the front and back distribution in the backup pad, both ends are fixedly connected with crushing flabellum and second bevel gear respectively around the pivot, crushing flabellum is located the junction of water trough and water drainage tank, both ends are fixedly connected with first bevel gear respectively about the second bull stick, first bevel gear links to each other with the meshing of second bevel gear.
Furthermore, each ejector block is connected to the movable rod through an elastic assembly, the elastic assembly comprises a sliding sleeve fixed on the movable rod and a sliding rod fixed at the bottom of the ejector block, the sliding rod is connected in the sliding sleeve in a sliding mode, a spring is arranged in the sliding sleeve, and two ends of the spring are respectively abutted against the inner wall of the sliding sleeve and the sliding rod.
Furthermore, the top blocks are distributed on the moving rod in an equidistant array mode, and each top block is located under the water inlet hole.
Furthermore, a plurality of groups of water diversion grooves are formed in the slope of the downhill, and the multi-group water grooves are communicated with the water passing grooves on the left side and the right side.
Compared with the prior art, the invention has the following beneficial effects:
1. when rainwater flows into the tunnel, the driving mechanism controls and pushes the movable rod to reciprocate up and down, when the movable rod moves up, the top block is inserted into the water inlet hole in the drainage plate, if sundries exist in the water inlet hole, the top block is inevitably pushed open, and when the movable rod moves down, the top block is separated from the water inlet hole; according to the invention, the blockage of sundries to the water inlet hole of the drainage plate is greatly reduced, so that the continuous normal work of the drainage groove is ensured, the drainage efficiency of the drainage groove is improved, and the rainwater accumulation in the tunnel is reduced;
2. the impeller is positioned in the water through groove, when rainwater flows into the tunnel, a part of rainwater can enter the water through groove, the impeller is pushed to rotate by virtue of water potential, the impeller drives the second rotating rod to rotate through the transmission belt assembly, and the eccentric wheel rotates to regularly lift the moving rod; the water drainage device has the advantages that the driving is realized by fully utilizing water energy, the environment is protected, and the synchronous work of the driving mechanism can be ensured when the water drainage groove drains water;
3. debris flushed out from rainwater is crushed by the crushing fan blades, so that the blockage of the drainage channel caused by the debris is reduced, and the drainage efficiency is improved;
4. the anti-blocking device is compact in structure, can fully utilize water energy generated by the terrain of the tunnel to drive the whole device to run, not only realizes anti-blocking, but also is energy-saving and environment-friendly, and is worthy of popularization in the market.
Drawings
FIG. 1 is a schematic perspective view of a drainage anti-blocking device for a tunnel floor according to the present invention;
FIG. 2 is a schematic perspective sectional view of the drainage block preventing device of the tunnel floor of the present invention;
FIG. 3 is a schematic structural view of the drainage plate of the present invention;
FIG. 4 is a schematic structural view of a second rotating rod and an eccentric wheel of the invention;
FIG. 5 is a schematic structural view of portion A of FIG. 2;
FIG. 6 is a schematic structural diagram of portion B of FIG. 3;
in the figure: 1. a tunnel body; 101. a water trough; 2. a water discharge tank; 201. a fixing plate; 3. a drain plate; 301. a water inlet hole; 4. a connecting plate; 401. a chute; 5. a travel bar; 6. a sliding sleeve; 601. a spring; 602. a slide bar; 7. a top block; 8. a support plate; 9. a rotating shaft; 10. crushing fan blades; 11. a first rotating lever; 12. an impeller; 13. a belt assembly; 14. a second rotating rod; 15. a first bevel gear; 16. a second bevel gear; 17. an eccentric wheel; 18. a water diversion tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 6, the tunnel body 1 is a conventional construction facility connecting above-ground and underground spaces, and the tunnel body 1 includes a downhill slope and a tunnel plane. When the rain is heavy rain, the rain easily flows from the ground to the plane of the tunnel through the slope of the downhill, and if the rain is not discharged in time, the rain further enters the tunnel to bring inconvenience to the same trip. In view of the above, the present embodiment discloses a drainage anti-blocking device for a floor of a tunnel, which is modified based on a tunnel body 1 and mainly comprises a drainage channel 2, a drainage plate 3, a movable rod 5 and a driving mechanism.
Processing out about on the tunnel plane horizontal extension distribute water drainage tank 2 to guarantee that water drainage tank 2 establishes near tunnel plane and downhill path inclined plane handing-over department, so design guarantees that the rainwater is advanced after the downhill path inclined plane to go into in the water drainage tank. Install fixed plate 201 respectively at the inside wall upper end around drain tank 2, place drain bar 3 on fixed plate 201 to realize that drain bar 3 inlays the dress at drain tank 2 top.
A plurality of water inlet holes 301 with uniform gaps are processed on the plate surface of the drain plate 3 along the length direction, the shape of each water inlet hole 301 is rectangular, and in the embodiment, the number of the water inlet holes 301 is 16-25. The bottoms of the left end and the right end of the drainage plate 3 are respectively symmetrically provided with a connecting plate 4 which is vertically distributed, and the inner side surface of the connecting plate 4 is provided with a vertical chute 401. The left end and the right end of the moving rod 5 are respectively connected in the sliding groove 401 in a sliding mode through the matching of the sliding blocks, and the jacking blocks 7 with the same number as the water inlet holes 301 are arranged in an equidistant array mode along the length direction of the moving rod 5. The top blocks 7 are rectangular in shape and can be dredged through the water inlet holes 301, each top block 7 being connected to the moving bar 5 by means of an elastic assembly. In this embodiment, the elastic assembly includes three parts, namely a sliding sleeve 6, a sliding rod 602 and a spring 601, the sliding sleeve 6 is fixed on the moving rod, the sliding rod 602 is fixed at the bottom of the top block 7, the sliding rod 602 is slidably connected in the sliding sleeve 6, the spring 601 is arranged in the sliding sleeve 6, and two ends of the spring 601 are respectively connected with the inner wall of the sliding sleeve 6 and the sliding rod 602. When the ejector block on the movable rod is designed, the ejector block is ensured to be in one-to-one correspondence with the water inlet hole, and the ejector block is positioned under the water inlet hole. The driving mechanism is used for driving the movable rod to reciprocate up and down, when the ejector block 7 is inserted into the water inlet hole 301 in a moving mode and exceeds the upper surface of the ejector block to dredge sundries, if a vehicle presses the ejector block 7, the ejector block 7 is retracted inwards through the sliding of the sliding rod 602 on the sliding sleeve 6, the damage of the vehicle to the ejector block 7 is reduced, the use safety of the ejector block 7 is improved, and meanwhile the ejector block 7 on the sliding rod 602 is driven to reset through the tension of the spring 601.
The driving mechanism comprises two impellers 12, two transmission belt assemblies 13, a second rotating rod 14 and an eccentric wheel 17, water passing grooves 101 are respectively arranged on the left side and the right side of the slope of the downhill, and the lower ends of the water passing grooves 101 extend to the drainage groove 2. First rotating rods 11 are rotatably connected to both left and right side walls of the water passing tank 101, and two impellers 12 are respectively fixedly attached to the first rotating rods 11 of the left and right water passing tanks. The left and right ends of the second rotating rod 14 are mounted on the left and right side walls of the water discharging tank 2 through bearing assemblies, the eccentric wheel 17 is fixed on the second rotating rod 14, the eccentric wheel 17 is positioned under the moving rod 5 and is in contact with the moving rod, and when the eccentric wheel rotates, the moving rod can be driven to reciprocate up and down. The two first rotating rods 11 are respectively connected with the left end and the right end of the second rotating rod 14 through a transmission belt assembly 13, and the transmission belt assembly 13 is composed of a transmission belt and two belt wheels, which are not described in detail because of the conventional technical means. Two lead to water tank 101 about to shunt the rainwater, lead to water tank 101 and water drainage tank 2 to be linked together, avoid the too much inlet opening drainage pressure that leads to the drain bar of rainwater too big, lead to the rainwater to pile up. Meanwhile, rainwater flows into the drainage channel 2 in the water trough 101, the impeller 12 is impacted by rainwater to drive the first rotating rod 11 to rotate, the first rotating rod 11 drives the second rotating rod 14 to rotate through the driving belt assembly 13, the eccentric wheel 17 on the second rotating rod 14 rotates to abut against the moving rod 5, the moving rod 5 moves up and down in the sliding groove 401, and then the ejector block 7 is driven to dredge and clean sundries in the water inlet hole 301. The driving mechanism reduces the electric energy waste caused by the fact that the driving mechanism in common use a motor to drive, and when rainwater flows down a downhill inclined plane, the driving mechanism can be triggered to operate, so that the driving convenience is improved.
The left end and the right end of the water drainage tank 2 are respectively provided with a supporting plate 8, each supporting plate 8 is rotatably connected with a rotating shaft 9 which is distributed front and back through a bearing assembly, the front end of each rotating shaft 9 is fixedly connected with a crushing fan blade 10, and the crushing fan blades 10 are positioned at the junction of the water through tank 101 and the water drainage tank 2. A second bevel gear 16 is fixedly connected to the rear end of the rotating shaft 9. The left end and the right end of the second rotating rod 14 are fixedly connected with a first bevel gear 15 respectively, and the first bevel gear 15 is meshed with a second bevel gear 16. When the second bull stick was rotatory, can drive and smash the flabellum rotation, smash the debris that flabellum 10 washed out in to getting into the rainwater and smash, reduce debris and cause the jam to water drainage tank 2, improve the efficiency of drainage.
A plurality of groups of left and right symmetrical water diversion grooves 18 are arranged on the surface of the downhill inclined plane, and the water diversion grooves 18 are all communicated with the water through groove 101. By the design, water flow in the diversion trench 18 can be introduced into the water passing trenches 101 on two sides, the problem that rainwater is too large and drainage efficiency is not enough through the drainage plate is solved, drainage efficiency is improved, and meanwhile, the diversion trench 18 is arranged to prevent a vehicle from slipping on a lower slope surface and improve driving safety of the vehicle.
The drainage anti-blocking device for the underplate of the tunnel has the following specific working process:
in rainy weather, when the rainfall is large, rainwater can flow to the downhill inclined plane from the ground and enter the ground plane, wherein a part of rainwater respectively enters the water through grooves on the left side and the right side through the water diversion grooves, the water through grooves are communicated with the drainage grooves 2, and the part of rainwater directly enters the drainage grooves. Meanwhile, when rainwater flows into the drainage groove in the water flowing groove, the rainwater impacts the impeller to drive the first rotating rod to rotate, the first rotating rod drives the second rotating rod to rotate through the transmission belt assembly, the first rotating rod is abutted against the moving rod through the rotation of the eccentric wheel on the second rotating rod, and then the top block is driven to reciprocate up and down in the water inlet hole; meanwhile, the first bevel gear and the second bevel gear on the second rotating rod are meshed to drive the crushing fan blades on the rotating shaft to rotate, the crushing fan blades 10 are arranged at the joint of the water through groove and the water drainage groove, sundries flushed out of rainwater are crushed through the crushing fan blades, the blockage of the drainage groove by the sundries is reduced, and the drainage efficiency is improved.
The invention has simple use and good drainage and anti-blocking effects, dredges the water inlet hole by moving the jacking block up and down in the water inlet hole, reduces the blockage of sundries in the water inlet hole, improves the drainage efficiency of the water inlet hole and improves the waterproof effect on the tunnel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A drainage anti-blocking device of a tunnel bottom plate comprises a tunnel body (1), wherein the tunnel body (1) consists of a downhill inclined plane and a tunnel plane, a drainage groove (2) is arranged at the joint of the tunnel plane and the downhill inclined plane,
a drainage plate (3) is embedded at the top of the drainage groove (2), and n water inlet holes (301) are formed in the drainage plate (3);
a moving rod (5) and a driving mechanism are arranged in the drainage tank (2), and the moving rod (5) is provided with a plurality of n top blocks (7); the driving mechanism controls and pushes the moving rod (5) to reciprocate up and down, when the moving rod (5) moves upwards, the top block (7) is inserted into the water inlet hole (301), and when the moving rod (5) moves downwards, the top block (7) is separated from the water inlet hole (301).
2. The drainage and anti-blocking device for the bottom plate of the tunnel according to claim 1, wherein water passing grooves (101) are formed on the left side and the right side of the downhill slope, and first rotating rods (11) are rotatably connected to the left side wall and the right side wall of each water passing groove (101);
the driving mechanism comprises a second rotating rod (14), an eccentric wheel (17) and two impellers (12), the two impellers (12) are respectively and correspondingly connected to the two first rotating rods (11) in a rotating mode, the second rotating rod (14) is connected to the left inner wall and the right inner wall of the drainage tank (2) in a rotating mode, the eccentric wheel (17) is fixed to the second rotating rod (14), and the eccentric wheel (17) is located under the moving rod (5) and is in contact with the moving rod;
the two first rotating rods (11) are respectively in transmission connection with the left end and the right end of the second rotating rod (14) through a transmission belt assembly (13).
3. The drainage and anti-blocking device for the underplate of the tunnel according to claim 2, wherein the left end and the right end of the drainage groove (2) are respectively provided with a support plate (8), the support plate (8) is rotatably connected with a rotating shaft (9) which is distributed front and back, the front end and the back end of the rotating shaft (9) are respectively fixedly connected with a crushing fan blade (10) and a second bevel gear (16), the crushing fan blade (10) is positioned at the junction of the water through groove (101) and the drainage groove (2), the left end and the right end of the second rotating rod (14) are respectively fixedly connected with a first bevel gear (15), and the first bevel gear (15) is meshed with the second bevel gear (16).
4. The drainage and anti-blocking device for the bottom plate of the tunnel according to claim 1, wherein each top block (7) is connected to the moving rod (5) through an elastic component, the elastic component comprises a sliding sleeve (6) fixed on the moving rod and a sliding rod (602) fixed at the bottom of the top block (7), the sliding rod (602) is slidably connected in the sliding sleeve (6), a spring (601) is arranged in the sliding sleeve (6), and two ends of the spring (601) respectively abut against the inner wall of the sliding sleeve (6) and the sliding rod (602).
5. The underplate drainage block-resistant device according to claim 1, characterized in that the top blocks (7) are distributed on the mobile rod (5) in an equidistant array, each top block (7) being located directly below the water inlet hole (301).
6. The drainage and anti-blocking device for the bottom plate of the tunnel according to any one of claims 1 to 5, wherein a plurality of groups of water diversion grooves (18) are formed on the slope of the downhill, and the water diversion grooves (18) are communicated with the water passing grooves (101) on the left side and the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168587.3A CN113846738A (en) | 2021-10-08 | 2021-10-08 | Drainage anti-blocking device for floor of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168587.3A CN113846738A (en) | 2021-10-08 | 2021-10-08 | Drainage anti-blocking device for floor of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113846738A true CN113846738A (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111168587.3A Pending CN113846738A (en) | 2021-10-08 | 2021-10-08 | Drainage anti-blocking device for floor of tunnel |
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| Country | Link |
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| CN (1) | CN113846738A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586923A2 (en) * | 2011-10-28 | 2013-05-01 | Bourne Engineering Limited | A building with built-in drainage |
| CN211143235U (en) * | 2019-09-24 | 2020-07-31 | 永威置业集团有限公司 | Garage entrance bottom plate drainage channel |
| CN111809468A (en) * | 2020-07-22 | 2020-10-23 | 四川地丰建设工程有限公司 | Town road drainage structures |
| CN212896748U (en) * | 2020-07-25 | 2021-04-06 | 董梁 | Drainage device for municipal works |
| CN113123434A (en) * | 2021-04-23 | 2021-07-16 | 南京合工城市智能科技有限公司 | Large-flow anti-blocking inspection well cover |
| CN214144016U (en) * | 2021-01-09 | 2021-09-07 | 董斌 | Drainage device for rural highway construction and maintenance |
-
2021
- 2021-10-08 CN CN202111168587.3A patent/CN113846738A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586923A2 (en) * | 2011-10-28 | 2013-05-01 | Bourne Engineering Limited | A building with built-in drainage |
| CN211143235U (en) * | 2019-09-24 | 2020-07-31 | 永威置业集团有限公司 | Garage entrance bottom plate drainage channel |
| CN111809468A (en) * | 2020-07-22 | 2020-10-23 | 四川地丰建设工程有限公司 | Town road drainage structures |
| CN212896748U (en) * | 2020-07-25 | 2021-04-06 | 董梁 | Drainage device for municipal works |
| CN214144016U (en) * | 2021-01-09 | 2021-09-07 | 董斌 | Drainage device for rural highway construction and maintenance |
| CN113123434A (en) * | 2021-04-23 | 2021-07-16 | 南京合工城市智能科技有限公司 | Large-flow anti-blocking inspection well cover |
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