CN112376671A - Water conservancy project construction flow guide and drainage structure and construction method thereof - Google Patents

Water conservancy project construction flow guide and drainage structure and construction method thereof Download PDF

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Publication number
CN112376671A
CN112376671A CN202011161471.2A CN202011161471A CN112376671A CN 112376671 A CN112376671 A CN 112376671A CN 202011161471 A CN202011161471 A CN 202011161471A CN 112376671 A CN112376671 A CN 112376671A
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block
water conservancy
frame
pouring
pipe
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CN112376671B (en
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祝珺
赵贞岩
陈明
张苹
代东波
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/06Methods of, or installations for, laying sewer pipes

Abstract

The invention relates to the technical field of hydraulic engineering drainage construction, in particular to a hydraulic engineering construction diversion drainage structure and a construction method thereof, wherein the construction method comprises the following steps: a water conservancy project construction diversion drainage structure comprises a feeding pipe and a discharging pipe, wherein the feeding pipe and the discharging pipe are pre-buried and installed at the lower end of a foundation, a vertically-distributed deep hole is formed between the feeding pipe and the discharging pipe, and shunt pipes are symmetrically arranged on the left side and the right side of the feeding pipe and the discharging pipe; a construction method for a water conservancy project construction diversion drainage structure comprises the following steps: s1: pouring a base; s2: pouring the fixed block; s3: pouring the lifting block; s4: adjusting the lifting block; the beneficial effects are that: the lifting block with the spiral upper and lower flow channels is arranged, so that high-speed impact water flow is buffered, the impact force of the water flow is reduced, meanwhile, the purpose of left and right shunting is realized through the up-and-down circular flow of the water flow, the damage to the main pipeline is avoided, and the service life of the main pipeline is prolonged.

Description

Water conservancy project construction flow guide and drainage structure and construction method thereof
Technical Field
The invention relates to the technical field of hydraulic engineering drainage construction, in particular to a hydraulic engineering construction diversion drainage structure and a construction method thereof.
Background
In the process of hydraulic engineering construction, the mode of underground embedded pipelines is usually adopted to realize the concentrated discharge of urban wastewater, the embedded depth of the embedded pipelines is deep, the maintenance cost is high, and particularly, the main transportation pipelines are long in length, multiple in nodes and difficult to position.
And in the drainage process, because the reason of weather, there is the difference of flood season and non-flood season in the pipeline drainage, in torrential rain weather, the water yield increases suddenly, and the discharge in the pipeline increases, and the mixture of rivers impact force and aquatic increases, and in the pipeline transportation, because the impact of rivers and the inertia of the mixed silt stone in aquatic cause the extrusion to the pipeline inner wall very easily to reduce the utility life of pipeline, and the water yield increases, and the transportation of single pipeline can't satisfy excreted needs, causes the waterlogging easily.
Therefore, the water conservancy project construction diversion drainage structure and the construction method thereof are provided, and the problems of switching of pipelines between flood seasons and non-flood seasons and protection of main transportation pipelines are solved.
Disclosure of Invention
The invention aims to provide a water conservancy project construction diversion drainage structure and a construction method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a water conservancy project construction flow guide drainage structure comprises a feeding pipe and a discharging pipe, wherein the feeding pipe and the discharging pipe are installed at the lower end of a foundation in a pre-buried mode, a vertically-distributed deep hole is formed between the feeding pipe and the discharging pipe, shunt pipes are symmetrically arranged on the left side and the right side of the feeding pipe and the discharging pipe, the deep hole is formed in the foundation, a concrete base is poured on the side wall of an inner cavity of the deep hole, an inner cavity of the concrete base is arranged to be a flow guide inner cavity, the upper end of the concrete base is poured and paved on the upper end face of the foundation, a frame-shaped upper support is integrally poured on the outer wall of the upper end of the concrete base, a cover plate is arranged right above the flow guide inner cavity, a fixing block is fixedly poured on the right side of the lower end of the inner cavity of;
a liquid inlet flow channel is formed in the position where the fixed block is in equal parallel with the feeding pipe, and a quarter-ring-shaped second arc-shaped flow channel is formed in the lower end of the middle section of the liquid inlet flow channel;
the upper end of elevator is provided with the frame, and the lower extreme of elevator is provided with the first arc runner with second arc runner bilateral symmetry, and the middle inner chamber of elevator is provided with the spiral runner of long circle form, the lower extreme and the feed liquor runner of spiral runner are parallel, the horizontal runner of other end port intercommunication of spiral runner, horizontal runner is transversely seted up in the inner chamber of elevator, and both ends communicate bilateral symmetry's shunt tubes respectively about horizontal runner, rotate on the upper end crossbeam of frame and install the double-screw bolt, the upper end of double-screw bolt is provided with the turning handle, and the lower extreme of double-screw bolt is provided with the bull stick, and the interlude of double-screw bolt runs through the upper bracket, the bull stick rotates and installs on the frame.
Preferably, the adjacent ports of the feeding pipe and the discharging pipe are communicated with the deep hole, the feeding pipe and the discharging pipe are symmetrically inserted into the concrete base, and the feeding pipe and the discharging pipe are overlapped in the vertical direction.
Preferably, the right side outer wall of fixed block closely laminates with the port of inlet pipe, be provided with the sealing washer between feed liquor runner and the inlet pipe, the inseparable pressfitting of sealing washer is installed in the joint gap department between feed liquor runner and the inlet pipe.
Preferably, the upper end beam of the frame is positioned right above the cover plate, the connecting rods at the lower end of the frame are bilaterally symmetrical and are fixed on the upper end face of the lifting block, and the connecting rods at the lower end of the frame are inserted on the cover plate in a sliding manner.
Preferably, the cover plate covers an upper end port of the flow guide inner cavity, the upper end face of the cover plate is flush with the concrete base, the arc outer edge of the cover plate is mounted on the concrete base, and a through hole is formed in the position, corresponding to the connecting rod at the lower end of the frame, of the cover plate.
Preferably, a sliding block is arranged on the left side of the lower end of the lifting block, the sliding block is sleeved on the outer wall of the guide post in a sliding mode, and a limiting block is arranged at the upper end of the guide post.
Preferably, the upper bracket is provided with a threaded hole which penetrates through the upper bracket from top to bottom, the outer wall of the middle section of the stud is screwed in the threaded hole, and the rotating handle is positioned at the upper end of the upper bracket.
A construction method for a water conservancy project construction diversion drainage structure comprises the following steps:
s1: pouring a base, excavating vertical deep holes at the positions of laying nodes of the water conservancy transportation pipelines, pouring a frame-shaped concrete base at intervals through a template, mounting the transportation pipelines on the concrete base after air drying and solidification, and laying shunt pipes on the left and right sides of the concrete base;
s2: pouring a fixed block, namely pouring the fixed block with a built-in liquid inlet flow channel and a second arc-shaped flow channel through a template, wherein the fixed block is communicated with a feeding pipe;
s3: pouring the lifting block, namely pouring the lifting block with a spiral flow channel, a transverse flow channel and a first arc-shaped flow channel through a prefabricated template, and arranging a frame connecting stud on the lifting block;
s4: and adjusting the lifting block, integrally pouring an upper support on the concrete base, and rotating the stud and the upper support to adjust the upper height and the lower height of the lifting block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the diversion switching device is arranged at the node position of the main transportation pipeline, so that the switching between the flood season pipeline and the non-flood season pipeline is realized, the flood discharge efficiency is increased in a shunting manner, and the urban waterlogging is avoided;
2. the lifting block with the spiral upper and lower flow channels is arranged, so that high-speed impact water flow is buffered, the impact force of the water flow is reduced, meanwhile, the purpose of left and right shunting is realized through the up-and-down circular flow of the water flow, the damage to the main pipeline is avoided, and the service life of the main pipeline is prolonged;
3. according to the invention, the arc-shaped pipeline is arranged, so that overflowing diversion of the main pipe in the non-flood season is realized, the inner wall of the main pipe is protected on the premise of reducing water flow impact, and convenient lifting adjustment of the lifting block is realized by matching of the stud and the upper support, so that the aim of convenient pipeline switching is fulfilled.
Drawings
FIG. 1 is a schematic view of a diversion structure in a non-flood season of the invention;
FIG. 2 is a schematic diagram of a flood season diversion structure of the invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a construction flow chart of the present invention.
In the figure: 1. a foundation; 2. a concrete base; 3. an upper bracket; 4. a cover plate; 5. deep holes; 6. a flow guide inner cavity; 7. a frame; 8. a threaded hole; 9. a rotating rod; 10. a stud; 11. a through hole; 12. a lifting block; 13. a fixed block; 14. a feed pipe; 15. a seal ring; 16. a discharge pipe; 17. a spiral flow channel; 18. a transverse flow passage; 19. a first arcuate runner; 20. a guide post; 21. a slider; 22. a limiting block; 23. a second arcuate runner; 24. a liquid inlet flow channel; 25. a handle is rotated; 26. and (4) dividing the tube.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
the utility model provides a hydraulic engineering construction water conservancy diversion drainage structures, including inlet pipe 14 and discharging pipe 16, the lower extreme at ground 1 is installed to inlet pipe 14 and 16 pre-buried of discharging pipe, and be provided with vertical distribution's deep hole 5 between inlet pipe 14 and the discharging pipe 16, deep hole 5 is seted up on ground 1, concrete base 2 has been pour to the inner chamber lateral wall of deep hole 5, inlet pipe 14 and the equal intercommunication deep hole 5 of 16 adjacent ports of discharging pipe, and inlet pipe 14 and 16 symmetry pegs graft on concrete base 2 of discharging pipe, the coincidence of the vertical direction of inlet pipe 14 and discharging pipe 16, realize pouring of concrete base 2 through deep hole 5, utilize concrete base 2 to realize the symmetry parallel mount of inlet pipe 14 and discharging pipe 16.
The inner cavity of the concrete base 2 is set as a flow guide inner cavity 6, the upper end of the concrete base 2 is poured and laid on the upper end face of the foundation 1, a fixed block 13 is fixedly poured on the right side of the lower end of the inner cavity of the flow guide inner cavity 6, a liquid inlet flow passage 24 is formed in the parallel position of the fixed block 13 and the feeding pipe 14, the outer wall of the right side of the fixed block 13 is tightly attached to the port of the feeding pipe 14, a sealing ring 15 is arranged between the liquid inlet flow passage 24 and the feeding pipe 14, the sealing ring 15 is tightly pressed and installed at a connecting gap between the liquid inlet flow passage 24 and the feeding pipe 14, the sealing ring 15 on the fixed block 13 is used for realizing the sealing connection between.
An inverted L-shaped lifting block 12 is arranged at the upper end of an inner cavity of the flow guide inner cavity 6, a frame 7 is arranged at the upper end of the lifting block 12, a frame-shaped upper support 3 is integrally cast on the outer wall of the upper end of the concrete base 2, a cover plate 4 is arranged right above the flow guide inner cavity 6, a stud 10 is rotatably arranged on a cross beam at the upper end of the frame 7, a rotating rod 9 is arranged at the lower end of the stud 10, the rotating rod 9 is rotatably arranged on the frame 7, the cross beam at the upper end of the frame 7 is positioned right above the cover plate 4, connecting rods which are bilaterally symmetrical at the lower end of the frame 7 are fixed on the upper end surface of the lifting block 12, a connecting rod at the lower end of the frame 7 is slidably inserted on the cover plate 4, the cover plate 4 covers an upper end port of the flow guide inner cavity 6, the upper end surface of the cover plate 4, the vertical sliding of the lifter plate 12 on the cover plate 4 is realized by the frame 7, and the rotation of the stud 10 on the frame 7 is realized by the rotating rod 9.
The upper end of the stud 10 is provided with a rotating handle 25, the middle section of the stud 10 penetrates through the upper support 3, a threaded hole 8 which penetrates through the upper support 3 from top to bottom is formed in the upper support 3, the thread of the outer wall of the middle section of the stud 10 rotates in the threaded hole 8, the rotating handle 25 is located at the upper end of the upper support 3, the stud 10 is rotated in the threaded hole 8, the upper height adjustment and the lower height adjustment of the stud 10 are achieved, the frame 7 and the lifting block 12 are driven to move up and down, and the height adjustment of the lifting block 12.
The vertical guide post 20 that is provided with in inner chamber lower extreme left side of water conservancy diversion inner chamber 6, the lower extreme left side of lifter 12 is provided with slider 21, and slider 21 slides and cup joints the outer wall at guide post 20, and the upper end of guide post 20 is provided with stopper 22, utilizes the cooperation of guide post 20 and slider 21, realizes the vertical up-and-down motion of lifter 12, and cooperation stopper 22 realizes prescribing a limit to the lift height for the switching position of pipeline is more accurate.
The interlude lower extreme of feed liquor runner 24 is provided with the second arc runner 23 of quarter ring form, and the lower extreme of elevator 12 is provided with the first arc runner 19 with second arc runner 23 bilateral symmetry, through the cooperation intercommunication of first arc runner 19 and second arc runner 23 for rivers transportation during the non-flood season, and through crooked runner, realize the buffering to rivers, thereby avoid causing the impact to the trunk line inner wall.
The left and right sides of the feeding pipe 14 and the discharging pipe 16 are symmetrically provided with the shunt pipes 26, the middle inner cavity of the lifting block 12 is provided with the long-circle spiral flow passage 17, the lower end of the spiral flow passage 17 is parallel to the liquid inlet flow passage 24, the other end port of the spiral flow passage 17 is communicated with the transverse flow passage 18, the transverse flow passage 18 is transversely arranged in the inner cavity of the lifting block 12, the left and right ends of the transverse flow passage 18 are respectively communicated with the shunt pipes 26 which are bilaterally symmetrical, through adjusting the height of the lifting block 12, the main pipe is prevented from being directly drained in the flood season, damage to the main pipe is avoided, the service life of the main pipe is prolonged, water flow which is highly impacted in the flood season is buffered through the spiral flow passage 17, the aim of shunting is achieved through the cooperation of the transverse.
A construction method for a water conservancy project construction diversion drainage structure comprises the following steps:
s1: base pouring, namely digging vertical deep holes 5 at the positions of laying nodes of the water conservancy transportation pipelines, then pouring frame-shaped concrete bases 2 at intervals through templates, mounting the transportation pipelines on the concrete bases 2 after air drying and solidification, and laying flow dividing pipes 26 on the left and right sides of the concrete bases 2;
s2: pouring a fixed block, namely pouring the fixed block 13 with a built-in liquid inlet flow channel 24 and a second arc-shaped flow channel 23 through a template, wherein the fixed block 13 is communicated with a feeding pipe 14;
s3: pouring the lifting block, namely pouring the lifting block 12 with a spiral flow channel 17, a transverse flow channel 18 and a first arc-shaped flow channel 19 through a prefabricated template, and arranging a frame 7 connecting stud 10 on the lifting block 12;
s4: adjusting the lifting block, integrally pouring an upper support 3 on the concrete base 2, and realizing the vertical height adjustment of the lifting block 12 through the rotation of the stud 10 and the upper support 3.
The working principle is as follows: firstly, pouring of a concrete base 2 is achieved through a deep hole 5, symmetrical parallel installation of a feeding pipe 14 and a discharging pipe 16 is achieved through the concrete base 2, sealing connection between a fixing block 13 and the feeding pipe 14 is achieved through a sealing ring 15 on the fixing block 13, and water flow is enabled to flush into an inner cavity of the fixing block 13 in parallel through a liquid inlet flow channel 24.
Realize the upper and lower slip of lifter plate 12 on apron 4 through frame 7, utilize bull stick 9 to realize the rotation of double-screw bolt 10 on frame 7, utilize the rotation of double-screw bolt 10 in screw hole 8, realize the upper and lower altitude mixture control of double-screw bolt 10, and then drive frame 7 and elevator 12 up-and-down motion, realize the purpose of elevator 12 altitude mixture control, utilize the cooperation of guide post 20 and slider 21, realize the vertical up-and-down motion of elevator 12, cooperation stopper 22 realizes prescribing a limit to the elevating height, make the switching position of pipeline more accurate.
During the non-flood season, the first arc-shaped flow channel 19 and the second arc-shaped flow channel 23 are communicated in a matched mode through the movement of the lifting block 12, water flow transportation during the non-flood season is achieved, the water flow is buffered through the bent flow channels, and therefore impact on the inner wall of the main pipeline is avoided.
During flood season, through the motion of elevator 12 for inlet channel 24 and spiral runner 17 intercommunication, through the height of adjusting elevator 12, thereby avoid the trunk line in the direct drainage of flood season, avoid the damage to the trunk line, improve the life of trunk line, realize buffering flood season highly impacted rivers through spiral runner 17, utilize the cooperation of horizontal runner 18 and shunt tubes 26, realize the purpose of reposition of redundant personnel, thereby increase drainage efficiency, avoid causing the waterlogging.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a hydraulic engineering construction water conservancy diversion drainage structures, includes inlet pipe (14) and discharging pipe (16), its characterized in that: the concrete foundation is characterized in that the feeding pipe (14) and the discharging pipe (16) are installed at the lower end of the foundation (1) in a pre-buried mode, deep holes (5) which are vertically distributed are formed between the feeding pipe (14) and the discharging pipe (16), shunt pipes (26) are symmetrically arranged on the left side and the right side of the feeding pipe (14) and the discharging pipe (16), the deep holes (5) are formed in the foundation (1), a concrete base (2) is poured on the side wall of an inner cavity of each deep hole (5), a flow guide inner cavity (6) is formed in an inner cavity of the concrete base (2), the upper end of the concrete base (2) is poured and paved on the upper end face of the foundation (1), a frame-shaped upper support (3) is integrally poured on the outer wall of the upper end of the concrete base (2), a cover plate (4) is arranged right above the flow guide inner cavity (6), a fixing block (13) is fixedly poured on the right side of the, an inverted L-shaped lifting block (12) is arranged at the upper end of the inner cavity of the flow guide inner cavity (6);
a liquid inlet flow channel (24) is formed in the position where the fixed block (13) and the feeding pipe (14) are in equal-height parallel, and a quarter-ring-shaped second arc-shaped flow channel (23) is arranged at the lower end of the middle section of the liquid inlet flow channel (24);
the upper end of lifter block (12) is provided with frame (7), and the lower extreme of lifter block (12) is provided with first arc runner (19) with second arc runner (23) bilateral symmetry, and the middle inner chamber of lifter block (12) is provided with the spiral runner (17) of long circle form, the lower extreme of spiral runner (17) is parallel with feed liquor runner (24), and the other end port intercommunication of spiral runner (17) transversely flows passageway (18), transversely sets up in the inner chamber of lifter block (12) horizontal runner (18), and the left and right ends of horizontal runner (18) communicate bilateral symmetry's shunt tubes (26) respectively, rotate on the upper end crossbeam of frame (7) and install double-screw bolt (10), the upper end of double-screw bolt (10) is provided with turning handle (25), and the lower extreme of double-screw bolt (10) is provided with bull stick (9), and upper bracket (3) are worn to the interlude of double-screw bolt (10), the rotating rod (9) is rotatably arranged on the frame (7).
2. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the adjacent ports of the feeding pipe (14) and the discharging pipe (16) are communicated with the deep hole (5), the feeding pipe (14) and the discharging pipe (16) are symmetrically inserted into the concrete base (2), and the feeding pipe (14) and the discharging pipe (16) are overlapped in the vertical direction.
3. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the port of the right side outer wall of fixed block (13) and inlet pipe (14) is closely laminated, be provided with between feed liquor runner (24) and inlet pipe (14) sealing washer (15), the tight pressfitting of sealing washer (15) is installed in the joint gap department between feed liquor runner (24) and inlet pipe (14).
4. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the upper end beam of the frame (7) is positioned right above the cover plate (4), the connecting rods at the lower end of the frame (7) are bilaterally symmetrical and are fixed on the upper end surface of the lifting block (12), and the connecting rods at the lower end of the frame (7) are inserted on the cover plate (4) in a sliding mode.
5. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the cover plate (4) covers an upper end port of the flow guide inner cavity (6), the upper end face of the cover plate (4) is flush with the concrete base (2), the arc outer edge of the cover plate (4) is mounted on the concrete base (2), and a through hole (11) is formed in the position, corresponding to the connecting rod at the lower end of the frame (7), of the cover plate (4).
6. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the left side of the lower end of the lifting block (12) is provided with a sliding block (21), the sliding block (21) is sleeved on the outer wall of the guide post (20) in a sliding mode, and the upper end of the guide post (20) is provided with a limiting block (22).
7. The hydraulic engineering construction water conservancy diversion drainage structures of claim 1, characterized in that: the upper bracket (3) is provided with a threaded hole (8) which penetrates through the upper bracket and the lower bracket, the thread of the outer wall of the middle section of the stud (10) is rotatably arranged in the threaded hole (8), and the rotating handle (25) is positioned at the upper end of the upper bracket (3).
8. The construction method of the water conservancy project construction diversion and drainage structure according to any one of claims 1 to 7, characterized in that: the construction method of the drainage structure comprises the following steps:
s1: base pouring, namely digging vertical deep holes (5) at the positions of laying nodes of the water conservancy transportation pipelines, then pouring frame-shaped concrete bases (2) at intervals through templates, mounting the transportation pipelines on the concrete bases (2) after air drying and solidification, and laying shunt pipes (26) on the left and right sides of the concrete bases (2);
s2: pouring a fixed block, namely pouring the fixed block (13) with a built-in liquid inlet flow channel (24) and a second arc-shaped flow channel (23) through a template, wherein the fixed block (13) is communicated with a feeding pipe (14);
s3: pouring the lifting block, namely pouring the lifting block (12) with a spiral flow channel (17), a transverse flow channel (18) and a first arc-shaped flow channel (19) through a prefabricated template, and arranging a frame (7) connecting stud (10) on the lifting block (12);
s4: adjusting the lifting block, integrally pouring an upper support (3) on the concrete base (2), and realizing the vertical height adjustment of the lifting block (12) through the rotation of the stud (10) and the upper support (3).
CN202011161471.2A 2020-10-27 2020-10-27 Water conservancy project construction flow guide and drainage structure and construction method thereof Active CN112376671B (en)

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Publication number Priority date Publication date Assignee Title
US20120227819A1 (en) * 2009-11-13 2012-09-13 Lisong Zou Fluid resistance reducing method and resistance reducing propulsion device
KR20140086508A (en) * 2012-12-28 2014-07-08 주식회사 가나오엠 Supporting apparatus for drainage pipe
CN105178414A (en) * 2015-08-28 2015-12-23 武汉金牛经济发展有限公司 Rainwater split-flow device
CN108867539A (en) * 2018-07-26 2018-11-23 陈多玉 A kind of hydraulic engineering diversing flow system
CN208280268U (en) * 2018-06-12 2018-12-25 孙新茹 A kind of town road discharge structure
CN209556086U (en) * 2019-01-21 2019-10-29 李雄金 A kind of water pipeline for hydraulic engineering
CN211621872U (en) * 2019-12-23 2020-10-02 刘键 Drainage device for hydraulic engineering

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120227819A1 (en) * 2009-11-13 2012-09-13 Lisong Zou Fluid resistance reducing method and resistance reducing propulsion device
KR20140086508A (en) * 2012-12-28 2014-07-08 주식회사 가나오엠 Supporting apparatus for drainage pipe
CN105178414A (en) * 2015-08-28 2015-12-23 武汉金牛经济发展有限公司 Rainwater split-flow device
CN208280268U (en) * 2018-06-12 2018-12-25 孙新茹 A kind of town road discharge structure
CN108867539A (en) * 2018-07-26 2018-11-23 陈多玉 A kind of hydraulic engineering diversing flow system
CN209556086U (en) * 2019-01-21 2019-10-29 李雄金 A kind of water pipeline for hydraulic engineering
CN211621872U (en) * 2019-12-23 2020-10-02 刘键 Drainage device for hydraulic engineering

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