CN107268435B - A kind of bridge blocking and have water-proof function convenient for unclog the pipe - Google Patents

A kind of bridge blocking and have water-proof function convenient for unclog the pipe Download PDF

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Publication number
CN107268435B
CN107268435B CN201710590194.9A CN201710590194A CN107268435B CN 107268435 B CN107268435 B CN 107268435B CN 201710590194 A CN201710590194 A CN 201710590194A CN 107268435 B CN107268435 B CN 107268435B
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CN
China
Prior art keywords
water
pipe
bridge
unclog
proof function
Prior art date
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Active
Application number
CN201710590194.9A
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Chinese (zh)
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CN107268435A (en
Inventor
张宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Hengda road and Bridge Construction Co., Ltd
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Shenzhen Intelligent CAD CAM Technology Co Ltd
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Application filed by Shenzhen Intelligent CAD CAM Technology Co Ltd filed Critical Shenzhen Intelligent CAD CAM Technology Co Ltd
Priority to CN201710590194.9A priority Critical patent/CN107268435B/en
Priority to CN201910069870.7A priority patent/CN109594460B/en
Priority to CN201910083011.3A priority patent/CN109736193B/en
Publication of CN107268435A publication Critical patent/CN107268435A/en
Application granted granted Critical
Publication of CN107268435B publication Critical patent/CN107268435B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D1/00Bridges in general
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/08Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/086Drainage arrangements or devices
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F2201/00Details, devices or methods not otherwise provided for
    • E03F2201/40Means for indicating blockage in sewer systems

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Cleaning In General (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The present invention relates to a kind of convenient for unclog the pipe blocking and with the bridge of water-proof function, including pontic and the water distributor being arranged on pontic, testing agency, PLC and cleaning mechanism, the testing agency includes turntable, shaft, wheel blade and encoder, the cleaning mechanism includes driving assembly and cleaning assembly, the two sides on the pontic top are equipped with guardrail, the guardrail is equipped with guide rail, the cleaning mechanism is arranged on guide rail, the driving component includes bracket, driving shell, first motor, driving wheel and driven wheel, this blocks convenient for unclog the pipe and has the bridge of water-proof function during heavy rains, the rainwater flow of each water guide mouth is detected by testing agency, when the rainwater flow that testing agency detects is very small, cleaning mechanism is moved at the water guide mouth by driving assembly, again by cleaning assembly cleaning siltation in rainwater Sundries at double-edged fine-toothed comb has ensured the proper drainage of the water guide mouth.

Description

A kind of bridge blocking and have water-proof function convenient for unclog the pipe
Technical field
It is the present invention relates to bridge apparatus field, in particular to a kind of convenient for unclog the pipe blocking and with the bridge of water-proof function Beam.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot Structure is also known as bridge span structure, is across the primary structure of obstacle;Substructure includes abutment, bridge pier and basis;Support is spanning knot The load transfer device of the bearing place setting of structure and bridge pier or abutment;Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection, Training works etc..
Bridge is drained in heavy rain period, rainwater by the aqueduct on bridge, and often leaf, stone when heavy rain The sundries such as block or house refuse, impact into aqueduct, lead to draining not in time, the waterlogging of bridge floor can be generated when serious, is hampered Traffic it is unimpeded, while bridge floor can be corroded, reduce the service life of bridge.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of convenient for unclog the pipe Blocking and the bridge with water-proof function.
The technical solution adopted by the present invention to solve the technical problems is: one kind blocks convenient for unclog the pipe and has waterproof The bridge of function, including pontic and the water distributor being arranged on pontic, testing agency, PLC and cleaning mechanism;
The water distributor includes guiding gutter, water guide mouth and rain perforaled strainer, and the guiding gutter is arranged in pontic top two sides, The guiding gutter is connected to water guide mouth, and the lower end of the water guide mouth is located at the top of pontic, and the lower end of the water guide mouth is located at bridge The top of water guide mouth is arranged in the lower part of body, the rain perforaled strainer;
The testing agency includes turntable, shaft, wheel blade and encoder, and the side of the guiding gutter is equipped with detection slot, institute It states detection slot to be connected to water guide mouth, the testing agency is located at the connectivity part of detection slot and water guide mouth, and the turntable, which is set in, to be turned On axis, the shaft is arranged in detection slot, and the wheel blade is circumferentially uniformly arranged on turntable, and the encoder and turntable are coaxial Setting, the encoder are electrically connected with PLC;
The cleaning mechanism includes driving assembly and cleaning assembly, and the two sides on the pontic top are equipped with guardrail, the shield Column is equipped with guide rail, and the cleaning mechanism is arranged on guide rail, and the driving component includes bracket, driving shell, first motor, drive Driving wheel and driven wheel, the first motor driving driving wheel rotation, the driving wheel and guide rail are against the bracket setting is being driven On dynamic shell, for the guide rail positioned at bracket and driving shell between, the bracket is equipped with driven wheel, the bracket by driven wheel and Guide rail against;
The cleaning assembly includes aspiration channel, air inlet, bellows, air draught head, the pump housing, connecting tube, locker room and filtering Net, the air draught head are connected to by bellows with aspiration channel, and the aspiration channel is connected to by connecting tube with locker room, the pump housing Within communicating pipe, the locker room is located at the side of aspiration channel, and the filter screen is located at the lower section of locker room, the locker room Be connected to by filter screen with outside, the air inlet is located at the lower section of aspiration channel, the one end of the air inlet far from aspiration channel and Outside connection, the first motor and the pump housing are electrically connected with PLC.
Preferably, in order to make aspiration channel preferably be additionally provided with lifting assembly, institute in rain perforaled strainer, the aspiration channel Stating lifting assembly includes the second motor and screw rod, and the second motor driven screw rod rotates, and the screw rod is vertically arranged, the suction The top in air port is equipped with the hole that walks, and the hole that walks is equipped with internal screw thread, the outer spiral shell of internal screw thread and screw rod on the air inlet Line matching, the screw rod penetrate air inlet far from one end of the second motor, and second motor is electrically connected with PLC.
In driving assembly traveling process, aspiration channel is upwards collected through, and prevents from breaking, and is made when needing to adsorb rainwater and sundries, By the second motor driven screw rod rotate, air inlet be equipped with the matched internal screw thread of screw rod, make air inlet to bottom offset, it is close Rain perforaled strainer.
Preferably, the cleaning mechanism periphery is equipped with waterproof cover for waterproof.
Preferably, in order to adjust driving wheel always with guide rail against described from more making cleaning mechanism more stably advance Spring is additionally provided between driven wheel and bracket, the driven wheel is connect by spring with bracket.
Preferably, alarm signal is sent to the intelligent terminals such as mobile phone for convenience, it is additionally provided in the cleaning mechanism Wireless communication module.
After cleaning mechanism has been cleared up, when the water flow that testing agency detects is not still up to standard, PLC passes through wireless telecommunications Module sends alarm signal to intelligent terminals such as mobile phones.
Preferably, prompting for convenience, alarm lamp is additionally provided in the cleaning mechanism.
Preferably, controlling for convenience, the first motor and the second motor are servo motor.
Preferably, promoting the service life of bellows to increase the firmness of bellows, the bellows is steel band Bellows.
Preferably, the making material of the screw rod is stainless steel for anticorrosion.
Preferably, to increase adsorption capacity, the lower square cone of the air inlet is set in order to reduce the sectional area of air inlet It sets.
The invention has the advantages that should be blocked convenient for unclog the pipe and have the Bridge Design structure of water-proof function skilful Wonderful, practicability is high, during heavy rains, the rainwater flow of each water guide mouth is detected by testing agency, is detected when testing agency Rainwater flow very hour is moved to cleaning mechanism at the water guide mouth by driving assembly, then is cleared up and become silted up by cleaning assembly Sundries of the product at rain perforaled strainer, has ensured the proper drainage of the water guide mouth, then testing agency's still rainwater flow after clearing up It is smaller, alarm signal is sent to by wireless communication module the intelligent terminal of mobile phone, carries out worker's reparation, ensured bridge Proper drainage.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the bridge for blocking convenient for unclog the pipe and having water-proof function of the invention;
Fig. 2 is the structural representation of the testing agency of the bridge for blocking convenient for unclog the pipe and having water-proof function of the invention Figure;
Fig. 3 is the structural representation of the cleaning mechanism of the bridge for blocking convenient for unclog the pipe and having water-proof function of the invention Figure;
Fig. 4 is the structural representation of the cleaning assembly of the bridge for blocking convenient for unclog the pipe and having water-proof function of the invention Figure.
In figure: 1. pontics, 2. rain perforaled strainers, 3. testing agencies, 4. water guide mouths, 5. detection slots, 6. wheel blades, 7. turntables, 8. Shaft, 9. encoders, 10. driving shells, 11. first motors, 12. driving wheels, 13. brackets, 14. driven wheels, 15. guide rails, 16. Two motors, 17. screw rods, 18. bellowss, 19. air inlets, 20. aspiration channels, 21. pump housings, 22. connecting tubes, 23. locker rooms, 24. Filter screen.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs 1-4, a kind of convenient for unclog the pipe blocking and with the bridge of water-proof function, including pontic 1 and setting Water distributor, testing agency 3, PLC and cleaning mechanism on pontic 1;
The water distributor includes guiding gutter, water guide mouth 4 and rain perforaled strainer 2, and the guiding gutter is arranged on 1 top two of pontic Side, the guiding gutter are connected to water guide mouth 4, and the lower end of the water guide mouth 4 is located at the top of pontic 1, the lower end of the water guide mouth 4 Positioned at the lower part of pontic 1, the top of water guide mouth 4 is arranged in the rain perforaled strainer 2;
The testing agency 3 includes turntable 7, shaft 8, wheel blade 6 and encoder 9, and the side of the guiding gutter is equipped with detection Slot 5, the detection slot 5 are connected to water guide mouth 4, and the testing agency 3 is located at the connectivity part of detection slot 5 and water guide mouth 4, and described turn Disk 7 is set in shaft 8, and the shaft 8 is arranged in detection slot 5, and the wheel blade 6 is circumferential to be uniformly arranged on turntable 7, described Encoder 9 and turntable 7 are coaxially disposed, and the encoder 9 is electrically connected with PLC;
The cleaning mechanism includes driving assembly and cleaning assembly, and the two sides on 1 top of pontic are equipped with guardrail, the shield Column is equipped with guide rail 15, and the cleaning mechanism is arranged on guide rail 15, and the driving component includes bracket 13, driving shell 10, the One motor 11, driving wheel 12 and driven wheel 14, the first motor 11 drive driving wheel 12 to rotate, the driving wheel 12 and guide rail 15 against the bracket 13 is arranged in driving shell 10, and the guide rail 15 is between bracket 13 and driving shell 10, the bracket 13 are equipped with driven wheel 14, the bracket 13 by driven wheel 14 and guide rail 15 against;
The cleaning assembly includes aspiration channel 20, air inlet 19, bellows 18, air draught head, the pump housing 21, connecting tube 22, deposits Storage chamber 23 and filter screen 24, the air draught head are connected to by bellows 18 with aspiration channel 20, and the aspiration channel 20 passes through connecting tube 22 are connected to locker room 23, and the pump housing 21 was located in communicating pipe, and the locker room 23 is located at the side of aspiration channel 20, the mistake Strainer 24 is located at the lower section of locker room 23, and the locker room 23 is connected to by filter screen 24 with outside, and the air inlet 19 is located at The lower section of aspiration channel 20, the one end of the air inlet 19 far from aspiration channel 20 are connected to outside, the first motor 11 and the pump housing 21 are electrically connected with PLC.
Staff open detection mechanism 3 and cleaning mechanism in heavy rain are started to work, and rainwater is arranged downwards from water guide mouth 4 Out, rain-impact wheel blade 6 rotates wheel blade 6 and turntable 7, and encoder 9 records the concurrent electric signals of revolution and occurs to PLC, when turning When disk 7 rotates slow, PLC controls first motor 11 and driving wheel 12 is driven to rotate, and driving wheel 12 rubs on guide rail 15, makes to clear up Mechanism is travelled to the position of the water guide mouth 4, then is controlled the second motor 16 driving screw rod 17 and rotated, and makes air inlet 19 close to rainwater grid Son 2 opens the pump housing 21, adsorbs rainwater and sundries into locker room 23, and rainwater flows out from filter screen 24, leaves and takes sundries, ensures Rain perforaled strainer 2 is not blocked.
Preferably, in order to make aspiration channel 20 preferably be additionally provided with lifting group in rain perforaled strainer 2, the aspiration channel 20 Part, the lifting assembly include the second motor 16 and screw rod 17, and second motor 16 drives screw rod 17 to rotate, the screw rod 17 It is vertically arranged, the top of the air inlet 19 is equipped with the hole that walks, and the hole that walks is equipped with internal screw thread, on the air inlet 19 Internal screw thread is matched with the external screw thread of screw rod 17, and the screw rod 17 penetrates air inlet 19 far from one end of the second motor 16, and described Two motors 16 are electrically connected with PLC.
In driving assembly traveling process, aspiration channel 20 is upwards collected through, and prevents from breaking, when needing to adsorb rainwater and sundries Make, by the second motor 16 drive screw rod 17 rotate, air inlet 19 be equipped with the matched internal screw thread of screw rod 17, make air inlet 19 To bottom offset, close to rain perforaled strainer 2.
Preferably, the cleaning mechanism periphery is equipped with waterproof cover for waterproof.
Preferably, in order to adjust driving wheel 12 always with guide rail 15 against, from more making cleaning mechanism more stably advance, Spring is additionally provided between the driven wheel 14 and bracket 13, the driven wheel 14 is connect by spring with bracket 13.
Preferably, alarm signal is sent to the intelligent terminals such as mobile phone for convenience, it is additionally provided in the cleaning mechanism Wireless communication module.
After cleaning mechanism has been cleared up, when the water flow that testing agency 3 detects is not still up to standard, PLC passes through channel radio It interrogates module and sends alarm signal to intelligent terminals such as mobile phones.
Preferably, prompting for convenience, alarm lamp is additionally provided in the cleaning mechanism.
Preferably, controlling for convenience, the first motor 11 and the second motor 16 are servo motor.
Preferably, promoting the service life of bellows 18, the bellows 18 to increase the firmness of bellows 18 For steel band bellows.
Preferably, the making material of the screw rod 17 is stainless steel for anticorrosion.
Preferably, in order to reduce the sectional area of air inlet 19, thus increase adsorption capacity, the lower section cone of the air inlet 19 Shape setting.
Compared with prior art, the Bridge Design clever structure of water-proof function should be blocked and had convenient for unclog the pipe, it is real With property height, during heavy rains, the rainwater flow of each water guide mouth 4 is detected by testing agency 3, when the rain that testing agency 3 detects Water flow very hour is moved to cleaning mechanism at the water guide mouth 4 by driving assembly, then is cleared up and deposited by cleaning assembly Sundries at rain perforaled strainer 2, has ensured the proper drainage of the water guide mouth 4, then the still rainwater flow of testing agency 3 after clearing up It is smaller, alarm signal is sent to by wireless communication module the intelligent terminal of mobile phone, carries out worker's reparation, ensured bridge Proper drainage.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. a kind of convenient for unclog the pipe blocking and with the bridge of water-proof function, which is characterized in that exist including pontic (1) and setting Water distributor, testing agency (3), PLC and cleaning mechanism on pontic (1);
The water distributor includes guiding gutter, water guide mouth (4) and rain perforaled strainer (2), and the guiding gutter is arranged on pontic (1) top Two sides, the guiding gutter are connected to water guide mouth (4), and the lower end of the water guide mouth (4) is located at the top of pontic (1), the water guide The lower end of mouth (4) is located at the lower part of pontic (1), top of rain perforaled strainer (2) setting in water guide mouth (4);
The testing agency (3) includes that turntable (7), shaft (8), wheel blade (6) and encoder (9), the side of the guiding gutter are set Have detection slot (5), the detection slot (5) is connected to water guide mouth (4), and the testing agency (3) is located at detection slot (5) and water guide mouth (4) connectivity part, the turntable (7) are set on shaft (8), and shaft (8) setting is in detection slot (5), the wheel blade (6) circumferential to be uniformly arranged on turntable (7), the encoder (9) and turntable (7) are coaxially disposed, the encoder (9) and PLC Electrical connection;
The cleaning mechanism includes driving assembly and cleaning assembly, and the two sides on pontic (1) top are equipped with guardrail, the guardrail It is equipped with guide rail (15), the cleaning mechanism is arranged on guide rail (15), and the driving component includes bracket (13), driving shell (10), first motor (11), driving wheel (12) and driven wheel (14), first motor (11) driving driving wheel (12) rotation, The driving wheel (12) and guide rail (15) are against the bracket (13) is arranged on driving shell (10), and the guide rail (15) is located at Between bracket (13) and driving shell (10), the bracket (13) is equipped with driven wheel (14), and the bracket (13) passes through driven wheel (14) with guide rail (15) against;
The cleaning assembly includes aspiration channel (20), air inlet (19), bellows (18), air draught head, the pump housing (21), connecting tube (22), locker room (23) and filter screen (24), the air draught head are connected to by bellows (18) with aspiration channel (20), the air draught Pipe (20) is connected to by connecting tube (22) with locker room (23), and the pump housing (21) was located in communicating pipe, the locker room (23) Positioned at the side of aspiration channel (20), the filter screen (24) is located at the lower section of locker room (23), and the locker room (23) passed through Strainer (24) is connected to outside, and the air inlet (19) is located at the lower section of aspiration channel (20), and the air inlet (19) is far from air draught The one end for managing (20) is connected to outside, and the first motor (11) and the pump housing (21) are electrically connected with PLC.
2. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that the suction Lifting assembly is additionally provided in air hose (20), the lifting assembly includes the second motor (16) and screw rod (17), second motor (16) driving screw rod (17) rotation, the screw rod (17) are vertically arranged, and the top of the air inlet (19) is equipped with the hole that walks, described Hole walk equipped with internal screw thread, the internal screw thread on the air inlet (19) is matched with the external screw thread of screw rod (17), the screw rod (17) one end far from the second motor (16) penetrates air inlet (19), and second motor (16) is electrically connected with PLC.
3. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that described clear It manages mechanism periphery and is equipped with waterproof cover.
4. as described in claim 1 convenient for unclog the pipe block and with water-proof function bridge, which is characterized in that it is described from Spring is additionally provided between driving wheel (14) and bracket (13), the driven wheel (14) is connect by spring with bracket (13).
5. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that described clear Wireless communication module is additionally provided in reason mechanism.
6. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that described clear Alarm lamp is additionally provided in reason mechanism.
7. blocking as claimed in claim 2 convenient for unclog the pipe and the bridge with water-proof function, which is characterized in that described the One motor (11) and the second motor (16) are servo motor.
8. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that the wave Line pipe (18) is steel band bellows.
9. blocking and having as claimed in claim 2 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that the silk The making material of bar (17) is stainless steel.
10. blocking and having as described in claim 1 the bridge of water-proof function convenient for unclog the pipe, which is characterized in that described The lower square cone of air inlet (19) is arranged.
CN201710590194.9A 2017-07-19 2017-07-19 A kind of bridge blocking and have water-proof function convenient for unclog the pipe Active CN107268435B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201710590194.9A CN107268435B (en) 2017-07-19 2017-07-19 A kind of bridge blocking and have water-proof function convenient for unclog the pipe
CN201910069870.7A CN109594460B (en) 2017-07-19 2017-07-19 Waterproof bridge
CN201910083011.3A CN109736193B (en) 2017-07-19 2017-07-19 Bridge girder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710590194.9A CN107268435B (en) 2017-07-19 2017-07-19 A kind of bridge blocking and have water-proof function convenient for unclog the pipe

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN201910083011.3A Division CN109736193B (en) 2017-07-19 2017-07-19 Bridge girder
CN201910069870.7A Division CN109594460B (en) 2017-07-19 2017-07-19 Waterproof bridge

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CN107268435A CN107268435A (en) 2017-10-20
CN107268435B true CN107268435B (en) 2019-04-19

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CN201910083011.3A Active CN109736193B (en) 2017-07-19 2017-07-19 Bridge girder
CN201910069870.7A Active CN109594460B (en) 2017-07-19 2017-07-19 Waterproof bridge
CN201710590194.9A Active CN107268435B (en) 2017-07-19 2017-07-19 A kind of bridge blocking and have water-proof function convenient for unclog the pipe

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CN201910083011.3A Active CN109736193B (en) 2017-07-19 2017-07-19 Bridge girder
CN201910069870.7A Active CN109594460B (en) 2017-07-19 2017-07-19 Waterproof bridge

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CN106638292A (en) * 2016-11-17 2017-05-10 江苏中路工程技术研究院有限公司 Sponge-type bridge storing, slow draining and recycling system
CN106758799A (en) * 2016-12-13 2017-05-31 浙江水利水电学院 For the system for reclaiming rainwater and its construction method of sponge urban interchange

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CN109594460A (en) 2019-04-09

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