CN112144394B - Bridge floor drainage device for viaduct beam - Google Patents
Bridge floor drainage device for viaduct beam Download PDFInfo
- Publication number
- CN112144394B CN112144394B CN202011154474.3A CN202011154474A CN112144394B CN 112144394 B CN112144394 B CN 112144394B CN 202011154474 A CN202011154474 A CN 202011154474A CN 112144394 B CN112144394 B CN 112144394B
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- bottom end
- box
- garbage
- hollow box
- symmetrically
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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 bridge floor drainage device for an overhead bridge, which comprises a water inlet pipe and a water drainage pipe, wherein the water inlet pipe is connected with the water drainage pipe; the bottom intercommunication of inlet tube sets up the top at hollow box, the upper portion slides in the hollow box and is provided with the toper piece, the bottom middle part internal fixation of toper piece installs resilient means, resilient means's the equal symmetrical fixed mounting in both ends has the T-shaped piece, the filter is installed to the bottom internal rotation of T-shaped piece, the bottom of filter is rotated and is installed in the bottom both sides of hollow box, the fixed intercommunication of bottom bilateral symmetry of hollow box is provided with storage device, the fixed intercommunication in bottom middle part of hollow box sets up the water catch box, the fixed intercommunication in bottom symmetry of water catch box is provided with the drain pipe. The rainwater, silt and garbage filtering device filters rainwater, silt and garbage through the filtering plate, and the filtering plate shakes within a certain small range through the cooperation of the impact force generated when rainwater flows downwards and the elastic device, so that the filtering efficiency is prevented from being reduced due to the fact that part of silt and garbage are attached to the filtering plate, and the drainage effect is good.
Description
Technical Field
The invention relates to the technical field of drainage devices, in particular to a bridge deck drainage device for an overhead bridge.
Background
Urban viaduct drainage facility is municipal bridge's affiliated engineering, and along with city economy's continuous development, the viaduct roof beam can improve the current capacity of urban area road, alleviates traffic pressure, conveniently makes citizen's trip, mainly adopts pre-buried drain pipe to drain on the bridge floor of viaduct roof beam at present, and the drain pipe leads to the bottom of the bridge from the bridge floor, and the centre is fixed the drain pipe on the pier with a plurality of clamps.
Use the in-process on the overpass, often can meet the not smooth problem of drainage, when rainy, during silt and rubbish on the overpass can be taken to the rainwater on the overpass carry out the drain pipe, when the time of using longer, can save a large amount of silt and rubbish in the drain pipe, can make drain pipe drainage efficiency reduce, can't drain off water even, the bridge floor water discharge can not fall and can lead to the bridge to invade the bubble in ponding to make the intensity of bridge reduce, cause certain destruction to the bridge.
Disclosure of Invention
The invention aims to provide a bridge deck drainage device for an overhead bridge, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a bridge floor drainage device for a viaduct girder comprises a water inlet pipe and a drainage pipe; the bottom end of the water inlet pipe is communicated with the middle part of the top end of the hollow box; a conical block is arranged at the upper part in the hollow box in a sliding manner; a T-shaped groove is formed in the middle of the bottom end of the conical block; an elastic device is fixedly arranged in the middle of the top end of the T-shaped groove; t-shaped blocks are fixedly arranged at both ends of the elastic device; the T-shaped blocks are symmetrically and slidably arranged in the T-shaped grooves; a filter plate is rotatably arranged at the bottom end of the T-shaped block; the two groups of filter plates are arranged, and the filter plates are symmetrically and obliquely arranged; one end of the filter plate, which is far away from the T-shaped block, is rotatably arranged in two sides of the bottom end of the hollow box; the storage devices are symmetrically and fixedly communicated with two sides of the bottom end of the hollow box; the middle part of the bottom end of the hollow box is fixedly communicated with a water collecting box; the bottom of the water collecting box is symmetrically and fixedly communicated with a drain pipe.
Furthermore, one end of the filter plate close to the T-shaped block is fixedly arranged on the first roller; the first roller is rotatably arranged in the bottom end of the T-shaped block through a first rotating shaft; one end of the filter plate, which is far away from the T-shaped block, is fixedly arranged on the second roller; the second roller is rotatably arranged in the square groove through a second rotating shaft; the square grooves are symmetrically arranged in two sides of the bottom end of the hollow box.
Further, the elastic device comprises a telescopic rod, a ring sleeve and a first spring; the ring sleeve is fixedly arranged in the middle of the top end of the T-shaped groove; a first spring is arranged in the middle of the ring sleeve in a sliding manner; telescopic rods are symmetrically arranged in the two sides of the ring sleeve in a sliding manner; one end of the telescopic rod, far away from the ring sleeve, is fixedly arranged on the T-shaped block.
Further, the storage device comprises an article collecting box and a garbage box; the collection boxes are provided with two groups; the collecting boxes are symmetrically and fixedly communicated with the two sides of the bottom end of the hollow box; four groups of support columns are symmetrically and fixedly arranged in the bottom end of the collection box; one side of the bottom end of the collection box, which is close to the water collection box, is fixedly communicated with the water collection box through a guide pipe.
Further, a garbage box is arranged above the supporting column; a plurality of groups of through holes are uniformly distributed and communicated at the bottom end of the garbage box; a filter screen is fixedly arranged in the bottom end of the garbage box;
furthermore, a door plate is rotatably arranged on one side of the collection box, which is far away from the water collection box, through a rotating shaft; a limiting groove is formed in the middle of the bottom end of the door plate; and a fixing device is arranged in the limiting groove in a sliding manner.
Further, the fixing device comprises a limiting pin; the top end of the limiting pin is arranged in the limiting groove in a sliding manner; the bottom end of the limiting groove is fixedly arranged on the sliding plate; a second spring is arranged below the sliding plate; the sliding plate and the second spring are both arranged in the circular groove in a sliding manner; the circular groove is arranged in the middle of the bottom end of one side of the collection box far away from the water collection box; a pull rod is fixedly arranged in the middle of the lower part of the sliding plate; the bottom end of the pull rod is arranged below the collection box.
Compared with the prior art, the invention has the beneficial effects that:
when the rainwater and garbage collecting device is used for draining water, the filtering plate is arranged to filter a mixture of rainwater, silt and garbage, so that a drainage pipe is prevented from being blocked, the filtering plate is shaken within a certain small range through the cooperation of impact force generated when rainwater flows downwards and the elastic device, so that part of silt and garbage attached to the filtering plate can move downwards to enter the storage device, the filtering efficiency reduction caused by the fact that part of silt and garbage are attached to the filtering plate is avoided, and the rainwater and garbage collecting device is high in practicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of the area A in FIG. 1 according to the present invention.
Fig. 3 is an enlarged structural view of the area B in fig. 1 according to the present invention.
Fig. 4 is an enlarged structural view of the region C in fig. 1 according to the present invention.
In the figure: 1-a water inlet pipe, 2-a hollow box, 3-a conical block, 4-a T-shaped groove, 5-a first rotating shaft, 6-a first roller, 7-a filter plate, 8-a T-shaped block, 9-a telescopic rod, 10-a ring sleeve, 11-a first spring, 12-a circular groove, 13-a pull rod, 14-a square groove, 15-an aggregate box, 16-a water collecting box, 17-a garbage box, 18-a door plate, 19-a support column, 20-a guide pipe, 21-a water discharging pipe, 22-a through hole, 23-a filter screen, 24-a limiting groove, 25-a limiting pin, 26-a sliding plate, 27-a second spring, 28-a second rotating shaft and 29-a second roller.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a bridge deck drainage apparatus for a viaduct includes a water inlet pipe 1 and a drainage pipe 21; the bottom end of the water inlet pipe 1 is communicated with the middle part of the top end of the hollow box 2; the upper part in the hollow box 2 is provided with a conical block 3 in a sliding manner; a T-shaped groove 4 is formed in the middle of the bottom end of the conical block 3; an elastic device is fixedly arranged in the middle of the top end of the T-shaped groove 4; t-shaped blocks 8 are fixedly arranged at both ends of the elastic device; the T-shaped blocks 8 are symmetrically and slidably arranged in the T-shaped grooves 4; the bottom end of the T-shaped block 8 is rotatably provided with a filter plate 7; the two groups of filter plates 7 are arranged, and the filter plates 7 are symmetrically and obliquely arranged; one end of the filter plate 7, which is far away from the T-shaped block 8, is rotatably arranged in two sides of the bottom end of the hollow box 2; the two sides of the bottom end of the hollow box 2 are symmetrically and fixedly communicated with storage devices; a water collecting box 16 is fixedly communicated with the middle part of the bottom end of the hollow box 2; the bottom end of the water collecting box 16 is symmetrically and fixedly communicated with a drain pipe 21. When the storage device is used, rainwater on the viaduct, silt and garbage enter the hollow box 2 through the water inlet pipe 1, rainwater, silt and garbage fall on the conical block 3 and move towards two sides, the rainwater, the silt and the garbage are filtered through the filter plate 7, the filtered rainwater can enter the water collecting box 16 and be discharged through the water outlet pipe 21, the silt and the garbage can move towards two sides along the filter plate 7 and enter the storage device, but part of the silt and the garbage with lighter weight can be attached to the filter plate 7, the rainwater, the silt and the garbage have certain quality, the rainwater, the silt and the garbage have certain impact force at the descending speed, the conical block 3 can be driven to move downwards in the vertical direction, the conical block 3 moves downwards to enable the filter plate 7 to rotate upwards in the vertical direction around the bottom end of the filter plate 7, the T8 moves towards one side close to the middle of the conical block 3, the elastic device is located at the compression position, the rainwater, the silt and the garbage flow speed of the rainwater is inconsistent, the silt and the garbage fall are inconsistent, the elastic device is located at the compression and release state, the filter plate 7 can move towards the storage device, and the filter plate can be considered as a reciprocating state and a state that the filter plate 7 can move downwards.
Referring to fig. 2 and 3, one end of the filter plate 7 close to the T-shaped block 8 is fixedly mounted on the first roller 6; the first roller 6 is rotatably arranged in the bottom end of the T-shaped block 8 through a first rotating shaft 5; one end of the filter plate 7 far away from the T-shaped block 8 is fixedly arranged on a second roller 29; the second roller 29 is rotatably arranged in the square groove 14 through a second rotating shaft 28; the square grooves 14 are symmetrically arranged in the two sides of the bottom end of the hollow box 2.
Referring to fig. 2, the elastic device includes a telescopic rod 9, a ring sleeve 10 and a first spring 11; the ring sleeve 10 is fixedly arranged in the middle of the top end of the T-shaped groove 4; a first spring 11 is arranged in the middle of the inner part of the ring sleeve 10 in a sliding manner; telescopic rods 9 are symmetrically arranged in the two sides of the ring sleeve 10 in a sliding manner; one end of the telescopic rod 9 far away from the ring sleeve 10 is fixedly arranged on the T-shaped block 8.
Example 2
Referring to fig. 1 and 4, the storage device includes a collection box 15 and a garbage box 17; the collection boxes 15 are provided with two groups; the collection boxes 15 are symmetrically and fixedly communicated with the two sides of the bottom end of the hollow box 2; four groups of support columns 19 are symmetrically and fixedly arranged in the bottom end of the collection box 15; a garbage box 17 is arranged above the supporting column 19; a plurality of groups of through holes 22 are uniformly distributed and communicated at the bottom end of the garbage box 17; a filter screen 23 is fixedly arranged in the bottom end of the garbage box 17; one side of the bottom end of the collection box 15 close to the water collection box 16 is fixedly communicated with the water collection box 16 through a conduit 20. Silt in the garbage box 17 and rainwater in the garbage can fall down into the bottom end of the collecting box 15 through the filter screen 23 and the through hole 22 under the influence of gravity and enter the water collecting box 16 along the guide pipe 20.
Example 3
Referring to fig. 1 and 4, a door plate 18 is rotatably mounted on one side of the collecting box 15 away from the water collecting box 16 through a rotating shaft; a limiting groove 24 is formed in the middle of the bottom end of the door plate 18; a fixing device is slidably arranged in the limiting groove 24. When the garbage box 17 is full of silt and garbage, the fixing device slides out of the limiting groove 24, and the door plate 18 can be rotated to take out the garbage box 17.
Referring to fig. 4, the fixing device includes a limit pin 25; the top end of the limiting pin 25 is arranged in the limiting groove 24 in a sliding manner; the bottom end of the limiting groove 24 is fixedly arranged on the sliding plate 26; a second spring 27 is arranged below the sliding plate 26; the sliding plate 26 and the second spring 27 are both arranged in the circular groove 12 in a sliding manner; the circular groove 12 is arranged in the middle of the bottom end of one side of the collecting box 15 far away from the water collecting box 16; a pull rod 13 is fixedly arranged in the middle of the lower part of the sliding plate 26; the bottom end of the pull rod 13 is arranged below the collection box 15.
The working principle of the invention is as follows:
when in use, rainwater, silt and garbage on the viaduct enter the hollow box 2 through the water inlet pipe 1, the rainwater, the silt and the garbage fall on the conical block 3 and move towards two sides, the rainwater, the silt and the garbage are filtered by the filter plate 7, the filtered rainwater can enter the water collecting box 16 and be discharged through the drain pipe 21, the silt and the garbage can move towards two sides along the filter plate 7 and enter the garbage box 17, but part of silt and garbage with light weight can be attached to the filter plate 7, because the rainwater, the silt and the garbage have certain weight and the descending speed of the rainwater, the silt and the garbage has certain impact force, the conical block 3 can be driven to move downwards in the vertical direction, the conical block 3 moves downwards to move the conical block 3 downwards, so that the filter plate 7 rotates around the second rotating shaft 28 in the vertical direction, the T-shaped block 8 moves to one side close to the middle part of the conical block 3, namely, the first spring 11 is positioned at the compression position, and the falling impact force of the rainwater, the silt and the garbage is not consistent due to the inconsistent flowing speed of the rainwater, the silt and the garbage, i.e., the first spring 11 is made to be in a compressed and released state, i.e., the filter plate 7 can be rotated back and forth at a small angle, namely, the state can be regarded as shaking, the shaking state of the filter plate 7 can make the silt and the garbage attached on the filter plate 7 move downwards along the filter plate 7 to enter the garbage box 17, the silt and the rainwater in the garbage box 17 can fall into the bottom end of the collecting box 15 through the filter screen 23 and the through hole 22 under the influence of gravity and enter the water collecting box 16 along the conduit 20, when the garbage box 17 is full of silt and garbage, the pull rod 13 is pulled to move downwards, so that the limiting pin 25 can slide out of the limiting groove 24, and the door plate 18 can be rotated to take out the garbage box 17.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. A bridge deck drainage device for a viaduct girder comprises a water inlet pipe (1) and a drainage pipe (21); the water inlet pipe is characterized in that the bottom end of the water inlet pipe (1) is communicated with the middle part of the top end of the hollow box (2); the upper part in the hollow box (2) is provided with a conical block (3) in a sliding manner; a T-shaped groove (4) is formed in the middle of the bottom end of the conical block (3); an elastic device is fixedly arranged in the middle of the top end of the T-shaped groove (4); t-shaped blocks (8) are fixedly arranged at both ends of the elastic device; the T-shaped blocks (8) are symmetrically arranged in the T-shaped grooves (4) in a sliding manner; the bottom end of the T-shaped block (8) is rotatably provided with a filter plate (7); the two groups of filter plates (7) are arranged, and the filter plates (7) are symmetrically arranged in an inclined manner; one end of the filter plate (7) far away from the T-shaped block (8) is rotatably arranged in two sides of the bottom end of the hollow box (2); the storage devices are symmetrically and fixedly communicated with two sides of the bottom end of the hollow box (2); the middle part of the bottom end of the hollow box (2) is fixedly communicated with a water collecting box (16); the bottom end of the water collecting box (16) is symmetrically and fixedly communicated with a drain pipe (21);
the storage device comprises an article collecting box (15) and a garbage box (17); the collection boxes (15) are provided with two groups; the collection boxes (15) are symmetrically, fixedly and communicated with the two sides of the bottom end of the hollow box (2); four groups of supporting columns (19) are symmetrically and fixedly arranged in the bottom end of the collection box (15); one side of the bottom end of the collection box (15), which is close to the water collection box (16), is fixedly communicated with the water collection box (16) through a guide pipe (20);
a garbage box (17) is arranged above the supporting column (19); a plurality of groups of through holes (22) are uniformly distributed and communicated at the bottom end of the garbage box (17); a filter screen (23) is fixedly arranged in the bottom end of the garbage box (17);
one end of the filter plate (7) close to the T-shaped block (8) is fixedly arranged on the first roller (6); the first roller (6) is rotatably arranged in the bottom end of the T-shaped block (8) through a first rotating shaft (5); one end of the filter plate (7) far away from the T-shaped block (8) is fixedly arranged on a second roller (29); the second roller (29) is rotatably arranged in the square groove (14) through a second rotating shaft (28); the square grooves (14) are symmetrically arranged in two sides of the bottom end of the hollow box (2);
the elastic device comprises a telescopic rod (9), a ring sleeve (10) and a first spring (11); the ring sleeve (10) is fixedly arranged in the middle of the top end of the T-shaped groove (4); a first spring (11) is arranged in the middle of the inner part of the ring sleeve (10) in a sliding manner; telescopic rods (9) are symmetrically arranged in the two sides of the ring sleeve (10) in a sliding manner; one end of the telescopic rod (9) far away from the ring sleeve (10) is fixedly arranged on the T-shaped block (8);
a door plate (18) is rotatably arranged on one side of the collection box (15) far away from the water collection box (16) through a rotating shaft; a limiting groove (24) is formed in the middle of the bottom end of the door panel (18); a fixing device is arranged in the limiting groove (24) in a sliding manner;
the fixing device comprises a limit pin (25); the top end of the limiting pin (25) is arranged in the limiting groove (24) in a sliding manner; the bottom end of the limiting groove (24) is fixedly arranged on the sliding plate (26); a second spring (27) is arranged below the sliding plate (26); the sliding plate (26) and the second spring (27) are both arranged in the circular groove (12) in a sliding manner; the circular groove (12) is arranged in the middle of the bottom end of one side of the collection box (15) far away from the water collection box (16); a pull rod (13) is fixedly arranged in the middle of the lower part of the sliding plate (26); the bottom end of the pull rod (13) is arranged below the collection box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154474.3A CN112144394B (en) | 2020-10-26 | 2020-10-26 | Bridge floor drainage device for viaduct beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154474.3A CN112144394B (en) | 2020-10-26 | 2020-10-26 | Bridge floor drainage device for viaduct beam |
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| Publication Number | Publication Date |
|---|---|
| CN112144394A CN112144394A (en) | 2020-12-29 |
| CN112144394B true CN112144394B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011154474.3A Active CN112144394B (en) | 2020-10-26 | 2020-10-26 | Bridge floor drainage device for viaduct beam |
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| Country | Link |
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| CN (1) | CN112144394B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000212915A (en) * | 1999-01-21 | 2000-08-02 | Sanken Steel:Kk | Drainage for bridge |
| CN206448158U (en) * | 2017-01-13 | 2017-08-29 | 中交第一公路勘察设计研究院有限公司 | A kind of anti-clogging bridge drain system |
| KR20190096769A (en) * | 2018-02-09 | 2019-08-20 | 고재용 | non-perforating construction type catch basin having sand pit |
| CN210827095U (en) * | 2019-08-14 | 2020-06-23 | 江西赣东路桥建设集团有限公司 | Bridge drainage structure with hydrophobic function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206486808U (en) * | 2017-02-25 | 2017-09-12 | 王庆海 | A kind of bridge on highway discharge structure |
-
2020
- 2020-10-26 CN CN202011154474.3A patent/CN112144394B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000212915A (en) * | 1999-01-21 | 2000-08-02 | Sanken Steel:Kk | Drainage for bridge |
| CN206448158U (en) * | 2017-01-13 | 2017-08-29 | 中交第一公路勘察设计研究院有限公司 | A kind of anti-clogging bridge drain system |
| KR20190096769A (en) * | 2018-02-09 | 2019-08-20 | 고재용 | non-perforating construction type catch basin having sand pit |
| CN210827095U (en) * | 2019-08-14 | 2020-06-23 | 江西赣东路桥建设集团有限公司 | Bridge drainage structure with hydrophobic function |
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| Publication number | Publication date |
|---|---|
| CN112144394A (en) | 2020-12-29 |
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