CN114086645B - Railway is with preventing arranging integration waterproof system - Google Patents
Railway is with preventing arranging integration waterproof system Download PDFInfo
- Publication number
- CN114086645B CN114086645B CN202111371990.6A CN202111371990A CN114086645B CN 114086645 B CN114086645 B CN 114086645B CN 202111371990 A CN202111371990 A CN 202111371990A CN 114086645 B CN114086645 B CN 114086645B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box body
- pipe fitting
- waterproof system
- railway
- 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.)
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Links
- 230000010354 integration Effects 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000004078 waterproofing Methods 0.000 abstract description 3
- 229920002521 macromolecule Polymers 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention belongs to the field of waterproofing, in particular to an integrated waterproof system for railway drainage, which aims at the problems that the existing waterproof system cannot filter impurities in water, so that the waterproof system is blocked, the service life of the waterproof system is reduced, and the waterproof system cannot be effectively prompted during working. The invention can filter impurities in water, further prevent the waterproof system from being blocked, prolong the service life of the waterproof system, and effectively prompt the waterproof system when in work.
Description
Technical Field
The invention relates to the technical field of waterproofing, in particular to an anti-drainage integrated waterproofing system for railways.
Background
Railway transportation is a land transportation mode in which a locomotive pulls a train vehicle to travel on two parallel rails. The traditional mode is steel wheel travel, but the broad railway transportation still comprises the mode of non-steel wheel travel such as magnetic suspension trains, cable cars, cableways and the like, or rail transportation. The rail provides an extremely smooth and hard medium on which the wheels of the train roll with minimal friction, making the person above more comfortable, and it also saves energy. If properly configured, rail transportation can save five to seven times the energy when carrying the same weight as road transportation. Moreover, the rail can evenly disperse the weight of the train, so that the loading capacity of the train is greatly improved.
Through retrieval, the application publication number CN110886324A discloses a garage roof anti-drainage integrated system, which comprises a roof concrete matrix, a macromolecule special-shaped sheet and a drainage groove, wherein the drainage groove and the macromolecule special-shaped sheet are paved on the top surface of the roof concrete matrix, the drainage groove is a U-shaped groove with a downward opening, a water inlet is arranged on the side wall of the drainage groove, and the macromolecule special-shaped sheet is connected with the side wall of the drainage groove, so that water on the macromolecule special-shaped sheet flows into the drainage groove through the water inlet; the opening of the drainage groove and the edge of the macromolecule special-shaped sheet connected with the drainage groove are adhered, fixed and sealed by adopting self-adhesive waterproof coiled materials; the top of water drainage tank is connected with ventilative observation pipe, and this garage roof prevents arranging integration system, leading prevents, arranges to combine together, earlier will permeate water down and discharge the garage roof, reduces water pressure. The siphon drainage system forms a first waterproof layer through self advantages to become a first water facing surface. The lower seepage water can be discharged and simultaneously can be effectively waterproof.
But its waterproof system can not filter the impurity in the water, and then can make waterproof system take place to block up, reduces waterproof system life to waterproof system can not effectually carry out the suggestion at the during operation, and the warning nature is relatively poor, has consequently proposed a railway and has used the waterproof system of preventing arranging integration and is used for solving above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, a waterproof system cannot filter impurities in water, so that the waterproof system is blocked, the service life of the waterproof system is shortened, and the waterproof system cannot be effectively prompted during working.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an integrated waterproof system is prevented arranging for railway, includes pipe fitting, filtration, anti-blocking structure and warning structure, the wash port has been seted up at the top of pipe fitting, the downthehole drain bar that clamps of drain bar, the equal fixedly connected with strap in both sides of drain bar, the groove has all been seted up on the both sides inner wall of wash port, the strap clamps mutually with the groove of taking, the fixed two box bodies that are provided with in top of pipe fitting, be provided with the accessory in the box body, filtration sets up in the pipe fitting, anti-blocking structure sets up in pipe fitting and box body, warning structure sets up on the box body.
Preferably, the filter structure comprises two filter plates, the top and the bottom of the filter plates are fixedly connected with sliding plates, sliding grooves are formed in the inner wall of the top and the inner wall of the bottom of the pipe fitting, the sliding plates are slidably mounted in the sliding grooves, one side of each sliding plate is welded with a first spring, and one end of each first spring is welded on the side wall of each sliding groove.
Preferably, the anti-blocking structure comprises a main pipe, an auxiliary pipe, a first check valve and a second check valve, wherein two mounting holes are formed in the top of the pipe fitting, the main pipe is fixedly arranged in the mounting holes, the auxiliary pipe is fixedly arranged on the main pipe, the end part of the main pipe is fixedly connected with the first check valve, the end part of the auxiliary pipe is fixedly connected with the second check valve, a motor is fixedly connected to the side wall of a box body, a shaft hole is formed in one side of the box body, the same connecting shaft is rotationally connected to the two shaft holes, a first gear and a second gear are fixedly sleeved on the shaft end of the motor and the outer side of the connecting shaft respectively, the first gear is meshed with the second gear, cams are fixedly connected to the two ends of the connecting shaft respectively, a square frame is fixedly connected to the top of the main pipe, a sealing plug is in sliding sealing contact with the top of the square frame, a second spring is welded on the inner wall of the top of the box body, the cam is in contact with the bottom of the box body, and the side face of the cam is fixedly connected with a traction fitting.
Preferably, the warning structure comprises a conducting strip and a warning lamp, wherein the conducting strip is fixedly arranged on the top of the accessory and the inner wall of the top of the box body, and the warning lamp is fixedly arranged on the top of the box body.
Preferably, a plurality of strip holes are formed in the top of the drain plate.
Preferably, the drain board is located between two boxes.
Preferably, the first gear and the second gear have the same specification.
Preferably, the two conducting strips and the warning lamp are sequentially connected in series to form a loop.
The invention has the beneficial effects that:
(1) According to the integrated waterproof system for railway drainage, impurities in railway water can be effectively filtered through the filtering structure, the waterproof system is prevented from being blocked, and the railway water drainage treatment is facilitated;
(2) According to the anti-drainage integrated waterproof system for the railway, only the motor is required to be started through the anti-blocking structure, so that the traction piece can vertically reciprocate, the sealing plug can vertically reciprocate, the first check valve can suck railway water when the sealing plug moves upwards, the second check valve can be used for flushing railway water when the sealing plug moves downwards, the filter plate can be subjected to intermittent impact, and the filter plate can horizontally reciprocate, so that the filter plate is prevented from being blocked;
(3) According to the anti-drainage integrated waterproof system for the railway, through the arranged warning structure, when the motor is started, the accessory can vertically reciprocate, so that the two conducting strips are repeatedly contacted and separated, and further the warning lamp can continuously flash, and the warning effect is effectively improved.
Drawings
Fig. 1 is a schematic structural view of an integrated waterproof system for railway anti-drainage;
fig. 2 is a schematic cross-sectional structural view of an integrated waterproof system for railway anti-drainage according to the present invention;
FIG. 3 is a schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic diagram of the structure of the portion B in FIG. 2;
fig. 5 is a schematic structural diagram of a portion C in fig. 2.
In the figure: 1. a pipe fitting; 2. a drain plate; 3. a butt strap; 4. a filter plate; 5. a slide plate; 6. a first spring; 7. a main pipe; 8. a case body; 9. an auxiliary pipeline; 10. a block; 11. a sealing plug; 12. a guide plate; 13. a traction member; 14. a second spring; 15. a motor; 16. a connecting shaft; 17. a first gear; 18. a second gear; 19. a cam; 20. a first check valve; 21. a second check valve; 22. a fitting; 23. a conductive sheet; 24. and (5) warning the lamp.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an integrated waterproof system of preventing discharging for railway, including pipe fitting 1, filtration, prevent blockking up structure and warning structure, its characterized in that, the wash port has been seted up at the top of pipe fitting 1, the downthehole drain bar 2 that blocks is equipped with, a plurality of rectangular holes have been seted up at the top of drain bar 2, railway water falls into pipe fitting 1 through rectangular hole, equal fixedly connected with access panel 3 in both sides of drain bar 2, the groove has all been seted up on the both sides inner wall of drain hole, access panel 3 and the looks cartridge of taking the groove, the fixed two box 8 that are provided with in top of pipe fitting 1, drain bar 2 is located between two box 8, be provided with accessory 22 in the box 8, filtration sets up in pipe fitting 1, prevent blockking up structure sets up in pipe fitting and box 8, warning structure sets up on box 8.
According to the invention, the filtering structure comprises two filter plates 4, the top and the bottom of each filter plate 4 are fixedly connected with sliding plates 5, sliding grooves are formed in the inner walls of the top and the bottom of each pipe fitting 1, the sliding plates 5 are slidably arranged in the sliding grooves, one side of each sliding plate 5 is welded with a first spring 6, one end of each first spring 6 is welded on the side wall of each sliding groove, and impurities in railway water can be filtered conveniently.
According to the invention, the anti-blocking structure comprises a main pipeline 7, an auxiliary pipeline 9, a first check valve 20 and a second check valve 21, two mounting holes are formed in the top of a pipe fitting 1, the main pipeline 7 is fixedly arranged in the mounting holes, the auxiliary pipeline 9 is fixedly arranged on the main pipeline 7, the end part of the main pipeline 7 is fixedly connected with the first check valve 20, the end part of the auxiliary pipeline 9 is fixedly connected with the second check valve 21, a motor 15 is fixedly connected to the side wall of a box body 8, a shaft hole is formed in one side of the box body 8, the same connecting shaft 16 is rotationally connected to the two shaft holes, a first gear 17 and a second gear 18 are fixedly sleeved on the shaft end of the motor 15 and the outer side of the connecting shaft 16 respectively, the first gear 17 and the second gear 18 are meshed, the first gear 17 and the second gear 18 have the same specification, the two ends of the first gear 17 and the second gear 18 rotate at the same speed, a cam 19 is fixedly connected to the two ends of the connecting shaft 16 respectively, a square frame 10 is fixedly connected to the top end of the main pipeline 7, a sealing plug 11 is in sliding sealing contact with the square frame 10 in a sliding way, a top of the box 11 is fixedly connected with a traction piece 13, the top of the traction piece 13 is fixedly connected to the top of the sealing plug 14, a top of the second spring 14 is welded to the top of the top 13, and the top end 14 of the traction piece 13 is fixedly connected to the top sealing plug 4 of the filter plate 4, and the top piece is in contact with the top 4, and the top 4 is in order to be in contact with the top filter plate 4, and the top 4 is required to be effectively and the impact-proof.
In the invention, the warning structure comprises the conducting strips 23 and the warning lamp 24, the conducting strips 23 are fixedly arranged on the top of the accessory 22 and the top inner wall of the box body 8, the warning lamp 24 is fixedly arranged on the top of the box body 8, the two conducting strips 23 and the warning lamp 24 are sequentially connected in series to form a loop, and the warning lamp 24 can be lightened when the two conducting strips 23 are contacted.
In the invention, when in use, through the arranged pipe fitting 1, the railway water is discharged into the pipe fitting 1 through the drain board 2, so that the railway water can be prevented from penetrating into other places, the waterproof treatment is effectively carried out, impurities in the railway water can be filtered through the arranged filter board 4, in the drainage process, the motor 15 is started, the motor 15 drives the gear I17 to rotate, the gear I17 drives the gear II 18 to synchronously rotate, the gear II 18 drives the connecting shaft 16 to rotate, the cam 19 is matched with the connecting shaft 16 to rotate, the cam 19 presses the traction piece 13, the traction piece 13 presses the spring II 14, the traction piece 13 vertically reciprocates, and when the traction piece 13 moves upwards, the guide board 12 and the sealing plug 11 synchronously move upwards, and then can make check valve one 20 draw in railway water, when traction piece 13 moves down, baffle 12 and sealing plug 11 move down in step, the railway water in the trunk line 7 is washed out through check valve two 21 this moment, the railway water that washes out is strikeed filter plate 4 for filter plate 4 lateral shifting, filter plate 4 drives slide 5 and removes, make slide 5 extrusion spring one 6, so can make filter plate 4 in the lateral reciprocating motion, effectually prevent filter plate 4 to take place to block up, and traction piece 13 is in vertical reciprocating motion in-process, can make accessory 22 in vertical reciprocating motion, and then can make two conducting strips 23 keep contacting and separating, make warning lamps and lanterns 24 flash repeatedly, improve the warning effect.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides an integrated waterproof system is prevented arranging for railway, includes pipe fitting (1), filtration, anti-blocking structure and warning structure, its characterized in that, the wash port has been seted up at the top of pipe fitting (1), the downthehole clamping of wash port has wash port (2), equal fixedly connected with overlap plate (3) in both sides of wash port, all seted up on the both sides inner wall of wash port and taken the groove, overlap plate (3) and take the groove looks clamping, the fixed two box body (8) that are provided with in top of pipe fitting (1), be provided with accessory (22) in box body (8), filtration sets up in pipe fitting (1), the anti-blocking structure sets up in pipe fitting and box body (8), warning structure sets up on box body (8), filtration includes two filter plates (4), equal fixedly connected with slide (5) in top and bottom of filter plate (4), all set up the spout on the top inner wall and the bottom inner wall of pipe fitting (1), slide (5) slidable mounting in spout (5), one side of a main pipe fitting (1), one-way valve (20) are equipped with in one-way valve (7), one-way valve (20) are equipped with to prevent blocking up in pipe fitting (1), the main pipeline (7) is fixedly arranged in the mounting hole, the auxiliary pipeline (9) is fixedly arranged on the main pipeline (7), the end part of the main pipeline (7) is fixedly connected with the first one-way valve (20), the end part of the auxiliary pipeline (9) is fixedly connected with the second one-way valve (21), the side wall of one box body (8) is fixedly connected with the motor (15), one side of the box body (8) is provided with a shaft hole, the two shaft holes are rotationally connected with the same connecting shaft (16), the shaft ends of the motor (15) and the outer sides of the connecting shaft (16) are respectively fixedly sleeved with the first gear (17) and the second gear (18), the first gear (17) is meshed with the second gear (18), the two ends of the connecting shaft (16) are respectively fixedly connected with the cam (19), the top end part of the main pipeline (7) is fixedly connected with the square frame (10), the top part of the box body (10) is fixedly connected with the sealing plug (11) in a sliding and sealing manner, the top part of the box body (11) is fixedly connected with the traction piece (13), the top part (13) is fixedly sleeved with the first one-way valve (14) and the top part (14) is fixedly connected with the second one-way valve (13) and the top part (14) of the top part (13), the warning structure comprises a conducting strip (23) and a warning lamp (24), wherein the conducting strip (23) is fixedly arranged on the top of the accessory (22) and the top inner wall of the box body (8), and the warning lamp (24) is fixedly arranged on the top of the box body (8).
2. The integrated waterproof system for railway drainage according to claim 1, wherein a plurality of strip holes are formed in the top of the drainage plate (2).
3. An integrated waterproof system for railway anti-drainage according to claim 1, characterized in that the drainage plate (2) is located between two boxes (8).
4. An integrated waterproof system for railway anti-displacement according to claim 1, wherein the first gear (17) and the second gear (18) have the same specifications.
5. An integrated waterproof system for railway anti-drainage according to claim 1, characterized in that two conducting strips (23) are connected in series with the warning lamp (24) in sequence and form a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371990.6A CN114086645B (en) | 2021-11-18 | 2021-11-18 | Railway is with preventing arranging integration waterproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371990.6A CN114086645B (en) | 2021-11-18 | 2021-11-18 | Railway is with preventing arranging integration waterproof system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114086645A CN114086645A (en) | 2022-02-25 |
| CN114086645B true CN114086645B (en) | 2023-09-22 |
Family
ID=80301941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111371990.6A Active CN114086645B (en) | 2021-11-18 | 2021-11-18 | Railway is with preventing arranging integration waterproof system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114086645B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012036711A (en) * | 2010-08-05 | 2012-02-23 | Daishin Kogyo Co Ltd | Road surface drainage treatment device |
| KR20160126668A (en) * | 2015-04-24 | 2016-11-02 | 이기호 | Grease trap having drying and cleaning function |
| WO2020000157A1 (en) * | 2018-06-25 | 2020-01-02 | 江苏宏大环保科技有限公司 | Multi-functional household sewage treatment apparatus |
| CN211006954U (en) * | 2019-11-01 | 2020-07-14 | 中交通达(福州)工程设计有限公司 | Road drainage ditch with anti-blocking function |
| CN212176040U (en) * | 2020-05-15 | 2020-12-18 | 福建凯凌建设发展有限公司 | A hydrophobic means for hydraulic engineering |
| CN212594212U (en) * | 2020-06-03 | 2021-02-26 | 湖州力卓机械设备技术开发有限公司 | Agricultural water conservancy is with preventing blockking up filter equipment |
| CN112479436A (en) * | 2020-12-09 | 2021-03-12 | 卞真兵 | Sewage purification device for ecological management in sponge city |
| CN112832349A (en) * | 2021-01-29 | 2021-05-25 | 山西省交通规划勘察设计院有限公司 | Highway drainage device |
| CN213745535U (en) * | 2020-10-28 | 2021-07-20 | 四川辉达管业科技有限公司 | Plastic pipe with anti-blocking structure |
| CN214169341U (en) * | 2021-01-09 | 2021-09-10 | 刘晨 | Municipal drainage pipeline for city planning |
| CN214680507U (en) * | 2021-03-17 | 2021-11-12 | 湖南湘中博一检测技术有限公司 | Prevent suction filter device of jam |
-
2021
- 2021-11-18 CN CN202111371990.6A patent/CN114086645B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012036711A (en) * | 2010-08-05 | 2012-02-23 | Daishin Kogyo Co Ltd | Road surface drainage treatment device |
| KR20160126668A (en) * | 2015-04-24 | 2016-11-02 | 이기호 | Grease trap having drying and cleaning function |
| WO2020000157A1 (en) * | 2018-06-25 | 2020-01-02 | 江苏宏大环保科技有限公司 | Multi-functional household sewage treatment apparatus |
| CN211006954U (en) * | 2019-11-01 | 2020-07-14 | 中交通达(福州)工程设计有限公司 | Road drainage ditch with anti-blocking function |
| CN212176040U (en) * | 2020-05-15 | 2020-12-18 | 福建凯凌建设发展有限公司 | A hydrophobic means for hydraulic engineering |
| CN212594212U (en) * | 2020-06-03 | 2021-02-26 | 湖州力卓机械设备技术开发有限公司 | Agricultural water conservancy is with preventing blockking up filter equipment |
| CN213745535U (en) * | 2020-10-28 | 2021-07-20 | 四川辉达管业科技有限公司 | Plastic pipe with anti-blocking structure |
| CN112479436A (en) * | 2020-12-09 | 2021-03-12 | 卞真兵 | Sewage purification device for ecological management in sponge city |
| CN214169341U (en) * | 2021-01-09 | 2021-09-10 | 刘晨 | Municipal drainage pipeline for city planning |
| CN112832349A (en) * | 2021-01-29 | 2021-05-25 | 山西省交通规划勘察设计院有限公司 | Highway drainage device |
| CN214680507U (en) * | 2021-03-17 | 2021-11-12 | 湖南湘中博一检测技术有限公司 | Prevent suction filter device of jam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114086645A (en) | 2022-02-25 |
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