CN110468937A - A kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation - Google Patents
A kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation Download PDFInfo
- Publication number
- CN110468937A CN110468937A CN201910784784.4A CN201910784784A CN110468937A CN 110468937 A CN110468937 A CN 110468937A CN 201910784784 A CN201910784784 A CN 201910784784A CN 110468937 A CN110468937 A CN 110468937A
- Authority
- CN
- China
- Prior art keywords
- pipeline body
- connecting tube
- inner connecting
- hydraulic engineering
- female connector
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
Abstract
The invention discloses a kind of hydraulic engineering drainage pipelines convenient for Rapid Combination installation, including pipeline body, the pipeline body is circular tube structure, the left and right side of pipeline body is symmetrically arranged with mounting flange, the outboard end of the mounting flange is equipped with capillary groove, sealing ring is installed in capillary groove, several threaded holes are uniformly equipped on mounting flange, it is arranged with the first inner connecting tube in one end of pipeline body, the second inner connecting tube matched with the first inner connecting tube is arranged in the other end of pipeline body；It may be implemented quickly to install by the mutual cooperation between mounting flange between pipeline body in the present invention, so that the installation speed between pipeline body is substantially improved, is conducive to shorten the duration of a project, improves working efficiency；And by placing sealing ring in the capillary groove between two adjacent mounting flanges, the gap between two adjacent mounting flanges can be effectively sealed, the generation of drainage can be effectively prevented.
Description
Technical field
The present invention relates to hydraulic engineering technical field, especially a kind of hydraulic engineering draining convenient for Rapid Combination installation
Pipeline.
Background technique
Hydraulic engineering is the surface water and groundwater for controlling and deploying nature, reaches and removes the evil emerging sharp purpose and build
Engineering.Also referred to as Hydraulic Projects.Water is human being's production and essential precious resources of living, but the state of its naturally occurring is simultaneously
Not in full conformity with the needs of the mankind.Hydraulic engineering is only built, just can control water flow, prevents flood, and carry out water
It adjusts and distributes, to meet people's lives and production to the needs of water resource.
Modern Water Conservancy engineering is when building branch line and sending water route line, in order to reduce the water of natural evaporation, usually utilizes draining
Pipeline establishes underground conveying hydraulic engineering, and still, existing drainage pipeline utilizes concreting to connect more, this connection type
In construction process, continuous casting concrete is needed, workload is more heavy, and joint efficiency is low, it is difficult to meet modern
Hydraulic engineering construction demand.
For this purpose, can be very good the present invention provides a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation
It solves the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of hydraulic engineering drainage pipelines convenient for Rapid Combination installation, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation, including pipeline body, the pipeline body be
Circular tube structure, the left and right side of pipeline body are symmetrically arranged with mounting flange, and the outboard end of the mounting flange is equipped with anti-
Sink, the capillary groove are ring structures, are equipped with sealing ring in capillary groove, the sealing ring be select rubber material production and
At being uniformly equipped with several threaded holes on the mounting flange, pass through the phase interworking between mounting flange between pipeline body
Conjunction may be implemented quickly to install, so that the installation speed between pipeline body is substantially improved, is conducive to shorten the duration of a project, mention
High working efficiency；And by placing sealing ring in the capillary groove between two adjacent mounting flanges, can effectively seal
Gap between two adjacent mounting flanges, can effectively prevent the generation of drainage.
The first inner connecting tube, the axis of the axis of pipeline body and the first inner connecting tube are arranged in one end of the pipeline body
Be overlapped, first inner connecting tube by first drainage bucket inner sleeve on the internal chamber wall of pipeline body, the pipeline body it is another
The second inner connecting tube matched with the first inner connecting tube, the axis weight of the axis of pipeline body and the second inner connecting tube are arranged in end
It closes, through the second drainage bucket inner sleeve on the internal chamber wall of pipeline body, the second inner connecting tube and first is inscribed second inner connecting tube
To be threadedly coupled between pipe, when being connected with each other between two pipeline bodies, the second inner connecting tube on a pipeline body with it is another
The first inner connecting tube on a pipeline body is threaded togather, to cooperate the second inscribed closed frame tube using the first inner connecting tube
Gap between two mounting flanges, so that the junction between pipeline body be further prevented the hair of drainage occur
It is raw.
In a further embodiment, the inner cavity of the pipeline body is arranged with cunning in the side of the second inner connecting tube
Rail, the sliding rail are circular ring structures, and the inner cavity of sliding rail is equipped with sliding slot, slidably connects change in the sliding slot, the change is
Circular ring structure, the inner cavity of change are uniformly equipped with several blades, and the interior of second inner connecting tube intracavitary is equipped with and the first inner connecting tube
The axis of the dredging bar matched, the dredging bar is overlapped with the axis of change, and dredging bar, which is fixed by the connecting rod to be connected to, to be turned
On ring, to dredge on bar and be arranged with dredging auger, the dredging auger is spatially spiral structure, and water flow is flowed through out of pipeline body,
Water impact blade is rotated on the chute using paddle belt turn ring, and then drives dredging bar rotation, and dredging bar drives dredging to twist
Dragon rotation, it is unimpeded between auger the first inner connecting tube of guarantee and the second inner connecting tube using dredging for rotation, prevent impurities in water stifled
Fill in pipeline body.
In a further embodiment, it symmetrically is arranged with moving cylinder at left and right sides of the periphery of the pipeline body, it is described
It is rotation connection between moving cylinder and pipeline body, the periphery of a moving cylinder is arranged with the first outer female connector, another
The periphery of the moving cylinder is arranged with the second outer female connector matched with the first outer female connector, the second external external threading inner sleeve
It is external using the second outer female connector on a pipeline body and first on another pipeline body in the inner cavity of the first outer female connector
Mutual cooperation between set, so that two mounting flanges being connected between two pipeline bodies are sealed outside, it can not only be into one
Step seals the joint gap between two neighboring mounting flange, and effectively can prevent external environment from invading mounting flange
Erosion improves the service life of mounting flange, and convenient for later period dismounting, maintenance.
In a further embodiment, the described first outer female connector is respectively equipped with several auxiliary turn with the second external put on
Pin is shipped and resell on another market by the way that auxiliary is arranged, the rotation process convenience of the first outer female connector and the second outer female connector is improved, convenient for tearing open for later period
Dress.
Compared with prior art, the beneficial effects of the present invention are:
1, it may be implemented quickly to install by the mutual cooperation between mounting flange between pipeline body in the present invention, make
The installation speed obtained between pipeline body is substantially improved, and is conducive to shorten the duration of a project, improves working efficiency；And by adjacent
Two mounting flanges between capillary groove in place sealing ring, can effectively seal between two adjacent mounting flanges
Gap, can effectively prevent the generation of drainage；
2, water flow is flowed through out of pipeline body in the present invention, water impact blade, on the chute using paddle belt turn ring
Rotation, and then dredging bar rotation is driven, dredging bar drives dredging auger rotation, guarantees that first is inscribed using the dredging auger of rotation
It is unimpeded between pipe and the second inner connecting tube, prevent impurities in water from blocking pipeline body；
3, the present invention utilizes the second outer female connector on a pipeline body and the first outer female connector on another pipeline body
Between mutual cooperation can not only be further to seal two mounting flanges being connected between two pipeline bodies outside
The joint gap between two neighboring mounting flange is sealed, and effectively can prevent external environment from invading mounting flange
Erosion improves the service life of mounting flange, and convenient for later period dismounting, maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hydraulic engineering drainage pipeline convenient for Rapid Combination installation；
Fig. 2 is a kind of structural representation of another embodiment of hydraulic engineering drainage pipeline convenient for Rapid Combination installation
Figure；
Fig. 3 is a kind of structural representation of another embodiment of hydraulic engineering drainage pipeline convenient for Rapid Combination installation
Figure.
In figure: 1- pipeline body, 2- mounting flange, 3- capillary groove, 4- threaded hole, 5- sealing ring, the first inner connecting tube of 6-,
The drainage bucket of 7- first, the second inner connecting tube of 8-, the drainage bucket of 9- second, 10- sliding rail, 11- sliding slot, 12- change, 13- blade, 14- connect
Extension bar, 15- dredging bar, 16- dredging auger, 17- moving cylinder, the outer female connector of 18- first, the outer female connector of 19- second, 20- auxiliary are shipped and resell on another market.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Referring to Figure 1, a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation, including pipeline body 1, it is described
Pipeline body 1 is circular tube structure, and the left and right side of pipeline body 1 is symmetrically arranged with mounting flange 2, the mounting flange 2
Outboard end be equipped with capillary groove 3, the capillary groove 3 is ring structure, and sealing ring 5, the sealing ring 5 are equipped in capillary groove 3
It is that rubber material is selected to be made, several threaded holes 4 is uniformly equipped on the mounting flange 2, are led between pipeline body 1
The mutual cooperation crossed between mounting flange 2 may be implemented quickly to install, so that the installation speed between pipeline body 1 substantially mentions
It rises, is conducive to shorten the duration of a project, improves working efficiency；And pass through the capillary groove 3 between two adjacent mounting flanges 2
Interior placement sealing ring 5 can effectively seal the gap between two adjacent mounting flanges 2, can effectively prevent leak existing
The generation of elephant.
It is arranged with the first inner connecting tube 6 in one end of the pipeline body 1, the axis of pipeline body 1 and the first inner connecting tube 6
Axis is overlapped, and first inner connecting tube 6 struggles against 7 inner sleeves on the internal chamber wall of pipeline body 1 by the first drainage, the pipeline body
The second inner connecting tube 8 matched with the first inner connecting tube 6, the axis of pipeline body 1 and the second inner connecting tube are arranged in 1 other end
8 axis is overlapped, and for second inner connecting tube 8 through the second drainage 9 inner sleeves of bucket on the internal chamber wall of pipeline body 1, second is inscribed
It is to be threadedly coupled between pipe 8 and the first inner connecting tube 6, when being connected with each other between two pipeline bodies 1, on a pipeline body 1
Second inner connecting tube 8 is threaded togather with the first inner connecting tube 6 on another pipeline body 1, to utilize the first inner connecting tube 6
Cooperate the gap between the second inner connecting tube 8 inner sealing, two mounting flanges 2, to further prevent between pipeline body 1
There is the generation of drainage in junction.
Embodiment 2
Refer to Fig. 2, distinguished with embodiment 1: the inner cavity of the pipeline body 1 close to the second inner connecting tube 8 one
Sliding rail 10 is arranged in side, the sliding rail 10 is circular ring structure, and the inner cavity of sliding rail 10 is equipped with sliding slot 11, sliding in the sliding slot 11
It is connected with change 12, the change 12 is circular ring structure, and the inner cavity of change 12 is uniformly equipped with several blades 13, in described second
Interior intracavitary equipped with the dredging bar 15 matched with the first inner connecting tube 6, the axis of the dredging bar 15 and the axis of change 12 of adapter tube 8
Line is overlapped, and dredging bar 15 is fixedly connected in change 12 by connecting rod 14, is dredged on bar 15 and is arranged with dredging auger 16, described
Dredging auger 16 is spatially spiral structure, and water flow is flowed through out of pipeline body 1, water impact blade 13, is driven using blade 13
Change 12 rotates on sliding slot 11, and then dredging bar 15 is driven to rotate, and dredging bar 15 drives dredging auger 16 to rotate, and utilizes rotation
Dredging auger 16 guarantee unimpeded between the first inner connecting tube 6 and the second inner connecting tube 8, prevent impurities in water from blocking pipeline body 1.
Embodiment 3
Fig. 3 is referred to, is distinguished with embodiment 1: being symmetrically arranged at left and right sides of the periphery of the pipeline body 1
Moving cylinder 17, is rotation connection between the moving cylinder 17 and pipeline body 1, and the periphery of a moving cylinder 17 is arranged with
First outer female connector 18, the periphery of another moving cylinder 17 are arranged with the second outer female connector matched with the first outer female connector 18
19, the second outer 19 screw thread inner sleeve of female connector is external using second on a pipeline body 1 in the inner cavity of the first outer female connector 18
Set 19 and another pipeline body 1 on the first outer female connector 18 between mutual cooperation, thus seal outside two pipeline bodies 1 it
Between two mounting flanges 2 being connected, can not only further seal the joint gap between two neighboring mounting flange 2,
And erosion of the external environment to mounting flange 2 can be effectively prevented, the service life of mounting flange 2 is improved, and after being convenient for
Phase dismounting, maintenance.
It is respectively equipped with several auxiliary in the first outer female connector 18 and the second outer female connector 19 and ships and resell on another market 20, passes through setting auxiliary
It ships and resell on another market 20, the rotation process convenience of the first outer female connector 18 and the second outer female connector 19 is improved, convenient for the dismounting in later period.
The working principle of embodiment 1-3: it may be implemented between pipeline body 1 by the mutual cooperation between mounting flange 2
Quickly installation is conducive to shorten the duration of a project so that the installation speed between pipeline body 1 is substantially improved, and improves work effect
Rate；And by placing sealing ring 5 in the capillary groove 3 between two adjacent mounting flanges 2, can effectively seal adjacent
Gap between two mounting flanges 2 can effectively prevent the generation of drainage；Meanwhile water flow is flowed out of pipeline body 1
It crosses, water impact blade 13, drives change 12 to rotate on sliding slot 11 using blade 13, and then dredging bar 15 is driven to rotate, dredge
Through rod 15 drives dredging auger 16 to rotate, and is guaranteed between the first inner connecting tube 6 and the second inner connecting tube 8 using the dredging auger 16 of rotation
It is unimpeded, prevent impurities in water block pipeline body 1；
Wherein, the second outer female connector 19 on a pipeline body 1 and the first outer female connector on another pipeline body 1 are utilized
Mutual cooperation between 18 can not only be into seal two mounting flanges 2 being connected between two pipeline bodies 1 outside
One step seals the joint gap between two neighboring mounting flange 2, and can effectively prevent external environment to mounting flange 2
Erosion, improve mounting flange 2 service life, and convenient for the later period dismounting, maintenance.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation, including pipeline body (1), the pipeline body
It (1) is circular tube structure, which is characterized in that the left and right side of pipeline body (1) is symmetrically arranged with mounting flange (2), the company
The outboard end of acting flange disk (2) is equipped with capillary groove (3), and the capillary groove (3) is ring structure, is equipped in capillary groove (3) close
Seal (5), the sealing ring (5) are that rubber material is selected to be made, and are uniformly equipped on the mounting flange (2) several
Threaded hole (4)；
It is arranged with the first inner connecting tube (6) in one end of the pipeline body (1), first inner connecting tube (6) passes through the first drainage
(7) inner sleeve that struggles against is on the internal chamber wall of pipeline body (1), and second inner connecting tube (8) is by second drainage bucket (9) inner sleeve in pipeline
It is to be threadedly coupled between the second inner connecting tube (8) and the first inner connecting tube (6) on the internal chamber wall of ontology (1).
2. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 1, which is characterized in that
The axis of the pipeline body (1) is overlapped with the axis of the first inner connecting tube (6).
3. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 1, which is characterized in that
The axis of the pipeline body (1) is overlapped with the axis of the second inner connecting tube (8).
4. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 1 to 3, special
Sign is that the inner cavity of the pipeline body (1) is arranged with sliding rail (10), the sliding rail in the side of the second inner connecting tube (8)
It (10) is circular ring structure, the inner cavity of sliding rail (10) is equipped with sliding slot (11), slidably connects change (12), institute in the sliding slot (11)
Stating change (12) is circular ring structure, and the inner cavity of change (12) is uniformly equipped with several blades (13), second inner connecting tube (8)
It is interior intracavitary equipped with the dredging bar (15) matched with the first inner connecting tube (6), it dredges bar (15) and is fixedly connected by connecting rod (14)
On change (12), dredging auger (16) is arranged in dredging bar (15).
5. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 4, which is characterized in that
The axis of dredging bar (15) is overlapped with the axis of change (12).
6. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 4, which is characterized in that
The dredging auger (16) is spatially spiral structure.
7. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 1 to 3, special
Sign is, is symmetrically arranged with moving cylinder (17) at left and right sides of the periphery of the pipeline body (1), the moving cylinder (17) and pipe
It is rotation connection between road ontology (1), the periphery of a moving cylinder (17) is arranged with the first outer female connector (18), another
The periphery of the moving cylinder (17) is arranged with the second outer female connector (19) matched with the first outer female connector (18), outside described second
Female connector (19) screw thread inner sleeve is in the inner cavity of the first outer female connector (18).
8. a kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation according to claim 7, which is characterized in that
It is respectively equipped with several auxiliary on the first outer female connector (18) and the second outer female connector (19) and ships and resell on another market (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784784.4A CN110468937B (en) | 2019-08-23 | 2019-08-23 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784784.4A CN110468937B (en) | 2019-08-23 | 2019-08-23 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110468937A true CN110468937A (en) | 2019-11-19 |
| CN110468937B CN110468937B (en) | 2020-10-20 |
Family
ID=68513731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784784.4A Active CN110468937B (en) | 2019-08-23 | 2019-08-23 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468937B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695868A (en) * | 2020-12-21 | 2021-04-23 | 重庆水利电力职业技术学院 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227380A (en) * | 1997-02-14 | 1998-08-25 | Shimoda Kogyo Kk | Flanged pipe joint |
| CN202274222U (en) * | 2011-10-10 | 2012-06-13 | 中国矿业大学 | Pipeline connecting device for large-expansion-amount pipelines |
| CN106838508A (en) * | 2016-12-27 | 2017-06-13 | 重庆永高塑业发展有限公司 | Plastics pipe connecting structure and its processing method |
| CN207569863U (en) * | 2017-10-23 | 2018-07-03 | 贾洪彬 | Station boiler coal spout dredger |
| CN207935570U (en) * | 2018-01-16 | 2018-10-02 | 天津市林海建设工程集团有限公司 | A kind of indoor connector of gas pipeline |
| CN208311716U (en) * | 2018-06-06 | 2019-01-01 | 青岛能源设计研究院有限公司 | A kind of natural gas line of preservative treatment |
| CN208793830U (en) * | 2018-09-14 | 2019-04-26 | 浙江豪锐科技有限公司 | A kind of sun-proof reinforcing PE pipe |
| CN208919498U (en) * | 2018-09-28 | 2019-05-31 | 湖北鑫汉通管业有限公司 | A kind of natural gas plastic-coated steel |
-
2019
- 2019-08-23 CN CN201910784784.4A patent/CN110468937B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227380A (en) * | 1997-02-14 | 1998-08-25 | Shimoda Kogyo Kk | Flanged pipe joint |
| CN202274222U (en) * | 2011-10-10 | 2012-06-13 | 中国矿业大学 | Pipeline connecting device for large-expansion-amount pipelines |
| CN106838508A (en) * | 2016-12-27 | 2017-06-13 | 重庆永高塑业发展有限公司 | Plastics pipe connecting structure and its processing method |
| CN207569863U (en) * | 2017-10-23 | 2018-07-03 | 贾洪彬 | Station boiler coal spout dredger |
| CN207935570U (en) * | 2018-01-16 | 2018-10-02 | 天津市林海建设工程集团有限公司 | A kind of indoor connector of gas pipeline |
| CN208311716U (en) * | 2018-06-06 | 2019-01-01 | 青岛能源设计研究院有限公司 | A kind of natural gas line of preservative treatment |
| CN208793830U (en) * | 2018-09-14 | 2019-04-26 | 浙江豪锐科技有限公司 | A kind of sun-proof reinforcing PE pipe |
| CN208919498U (en) * | 2018-09-28 | 2019-05-31 | 湖北鑫汉通管业有限公司 | A kind of natural gas plastic-coated steel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695868A (en) * | 2020-12-21 | 2021-04-23 | 重庆水利电力职业技术学院 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
| CN112695868B (en) * | 2020-12-21 | 2022-05-31 | 重庆水利电力职业技术学院 | Drainage pipe for hydraulic engineering convenient to fast assembly and installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110468937B (en) | 2020-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103993587A (en) | Bridge type river and tide water-power and wind-power combined power generation corridor | |
| CN104389623B (en) | Shield tunnel prefabricated tunnel segment lining back stratum grouting device | |
| CN103835283A (en) | All-wet-joint precast prestressed underground continuous wall and construction method thereof | |
| CN201874614U (en) | Drainage structure for emptying overhaul of derivation tunnel | |
| CN103993581A (en) | Afforestation, water conservancy, water storing, disaster prevention, power generation, shipping, river overturning and land reclamation system engineering | |
| CN209369066U (en) | Concrete structure split bolt hole anti-leakage structure | |
| CN105464058B (en) | Tunnel formula imitates nature fish pass | |
| CN110468937A (en) | A kind of hydraulic engineering drainage pipeline convenient for Rapid Combination installation | |
| CN201321628Y (en) | Pipeline layering water fetching device | |
| CN107740542A (en) | One kind three and the connection of muscle bunchy full grout sleeve and three and muscle bunchy connection method | |
| CN207405593U (en) | A kind of integration pump lock of rotatable 90 ° of the unlatching of gate | |
| CN205296100U (en) | Husky equipment is arranged in reservoir segmentation | |
| CN207454964U (en) | Plastic pipe with egg type connection end structure | |
| CN202347502U (en) | Trunnion lodging type gate | |
| CN204266170U (en) | A kind of dam foundation gallery syndeton | |
| CN106638644B (en) | A kind of deep sand gravel layer provisions for grouting and the method for carrying out comprehensive grouting using the device | |
| CN106122122B (en) | A kind of large aperture flow-controllable siphoning installation | |
| CN202989895U (en) | Mountain ship lock | |
| CN202298571U (en) | Hydraulic horizontal dam | |
| CN107761736A (en) | A kind of plug and its construction method for pressure steel pipe of hydropower station grouting construction | |
| CN108330933A (en) | The structure and its construction method and application that a kind of diversion tunnel and ecological drainage tunnel combine | |
| CN107740543A (en) | A kind of connection of double and muscle full grout sleeve and double and muscle connection method | |
| CN207176693U (en) | A kind of plug for pressure steel pipe of hydropower station grouting construction | |
| CN203684195U (en) | Lip air entrainment system for water delivery valve of high-lift ship lock | |
| CN209228311U (en) | A kind of probing pin-connected panel casing external member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |