CN104886024B - watering sprayer - Google Patents
watering sprayer Download PDFInfo
- Publication number
- CN104886024B CN104886024B CN201510231026.1A CN201510231026A CN104886024B CN 104886024 B CN104886024 B CN 104886024B CN 201510231026 A CN201510231026 A CN 201510231026A CN 104886024 B CN104886024 B CN 104886024B
- Authority
- CN
- China
- Prior art keywords
- fluid
- shower nozzle
- connecting portion
- bearing
- pipe
- 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.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0003—Atomisers or mist blowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0082—Undercarriages, frames, mountings, couplings, tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention relates to a kind of watering sprayer, shower nozzle assembly is rotated according to the repulsive force of atomisation pressure, even if not using extra power, using fluid (example：Agricultural water, agricultural chemicals etc.) hydraulic pressure, so that it may increase revolving force, so on the one hand just constitute the revolution body of the fluid spray with bending section.And on the other hand, because since the rotation of the rotating tubular body of fluid spray, when carrying out fluid spray by the showerhead of its front end, just constituting this fluid and more strong can be ejected by air blade portion.So, according to direction all around, can come broader the spreading apart of scope of fluid spray, can just greatly improve the efficiency of fluid spray material is thus formed a watering sprayer is only passed through.
Description
Technical field
The present invention relates to a kind of watering sprayer, it is specifically related to a kind of repulsive force of use atomisation pressure, makes jet head sets
Zoarium can rotate, even if not using extra power, the sprinkle water and spray that fluid can also ejected with the form of particulate
Device.
Background technology
At present, during the crops such as paddy rice, radish and Chinese cabbage are planted in the wild or in greenhouse, in order to promote farming
The growth of thing, allows crops to resist various pest and disease damages, and more healthy and strong growth, sprinkling that can be appropriate uses various fluids
(example：Agricultural water, agricultural chemicals etc.), fluid implements spraying operation generally by watering sprayer in the prior art, described
Watering sprayer is disclosed in Korean Patent, respectively：Publication publication the 10-2005-010731st
(2005.11.01) and registered patent publication No. 10-0793138th number (day for announcing 2008.01.10) are inner described.
Two kinds of described watering sprayers, by moving back and forth for fluid spray tubing, can carry out left-right and front-back direction
Spray pattern, but such watering sprayer, when fluid spray operation is carried out, expend very much fuel；Also, the skill
The spraying distance of the fluid spray tubing of the watering sprayer of art is limited, and particularly, sprayer before carries out the spray of large area
During mist operation, it is necessary to which mobile watering sprayer can just fulfil assignment, and there are many inconveniences, so need to improve now.
The content of the invention
For described problem, the purpose of the present invention is to propose to a kind of watering sprayer that can greatly improve watering efficiency.
To realize the purpose, the present invention takes following technical scheme：
A kind of watering sprayer, it includes：
The bearing body of connecting fluid supply pipe；
It is connected to the rotation axle portion of the bearing body；
One end is connected in the rotation axle portion, the shower nozzle head of linkage rotation together with the rotation axle portion；
The shower nozzle head is connected on, since the fluid supply pipe, the fluid of supply is made to the shower nozzle head
Diverge to what is come, the shower nozzle branched pipe of the bending section that side end is formed at a certain angle；
At least more than one composition, in side end, forms bending section at a certain angle in the shower nozzle branched pipe, with
The atomisation pressure of fluid, can make the shower nozzle head produce the propulsion shower head pipe of rotary power according to repulsive force；
And including formed bending section the shower nozzle branched pipe and the propulsion shower head pipe side end connection, make
The spraying nozzle that fluid can spray.
The bearing body includes, the first connecting portion of connecting fluid supply pipe is formed at one end, in other end,
Form the first body of second connecting portion；The 3rd connecting portion being connected with the second connecting portion is formed at one end, in addition
One end, forms the 4th connecting portion, in the inner space of the 4th connecting portion, forms the dress being combined with one end of the revolution axle portion
There is the second body of clutch shaft bearing；The 5th connecting portion that formation is connected with the 4th connecting portion, in the 5th connecting portion
In portion space, the 3rd body equipped with second bearing being combined with the other end of the revolution axle portion is formed；And comprising with
The pad being combined between first and second body.
In the inside of second body, the four sides contact site of the clutch shaft bearing is formed, in the 3rd body
Portion, formation can tangle the hanging groove of the second bearing.
It is described revolution axle portion composition include, be combined with first and second bearing, second and third body described in insertion and
The central shaft tube of the pad；And formed in one end of the central shaft tube, with the shower nozzle head be combined to be formed
The shaft body of six connecting portions.
The rotary wind blade part constituted with least one air blade is connected in the shaft body, from the spraying
When shower nozzle carries out fluid rotary spraying, with the spraying of fluid, increase extension, low pressure is generated from front, from rear generation
Hyperbar, the revolving force for causing makes diffusional area increase
The rotating vane portion is constituted with two or more, by the gradual low gas of generation in respective rotating vane Bu Xiang centers
Pressure, maximizes wind-force.
Due to taking above technical scheme, it has advantages below to the present invention：
Watering sprayer of the present invention, according to the repulsive force of atomisation pressure, rotates shower nozzle assembly, even if not using extra
Power, only using as agricultural water, the hydraulic pressure of the same fluid such as agricultural chemicals, so that it may increase revolving force, so one side are just
Constitute the rotating tubular body of the fluid spray with bending section.And on the other hand, because from the rotating tubular body of fluid spray
Rotation start, when carrying out fluid spray by the showerhead of its front end, just constituting fluid can be more by air blade portion
It is strong to eject.So shower nozzle is according to direction all around, the expansion that the scope of fluid spray can be made broader
Scatter and, form the efficiency that fluid spray only can be just greatly improved by a watering sprayer.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of watering sprayer of the present invention.
Fig. 2 is the overall structure diagram of watering sprayer of the present invention.
Fig. 3 is the side structure schematic diagram of watering sprayer of the present invention.
Fig. 4 is the bearing body of watering sprayer of the present invention and the section knot of rotation axle portion and shower nozzle head bonding state
Structure schematic diagram.
Fig. 5 is the cross-sectional view of the watering sprayer construction of watering sprayer of the present invention.
Fig. 6 is the enlarged drawing of the watering sprayer construction of watering sprayer of the present invention.
Each component names are as follows：
10：Bearing body；11：First body；11a：First connecting portion；11b：Second connecting portion；12：Second body；
12a：3rd connecting portion；12b：4th connecting portion；12c：Four sides contact site；13：3rd body；13a：5th connecting portion；13b：
Groove；14：Pad；20：Rotation axle portion；21：Central shaft tube；22：Shaft body；22a：6th connecting portion；30：Shower nozzle head；31：
7th connecting portion；32：Combined hole；40：Shower nozzle branched pipe；50：Propulsion shower head pipe；51：Bending section；60：Spraying nozzle；70：Rotation
Turn air blade portion；71：Air blade body；72：Air blade joint portion；100：Fluid supply pipe；200：Spray gun；B1：First
Bearing；B2：Second bearing.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figures 1 to 6, it is the structural representation of watering sprayer of the present invention, watering sprayer of the present invention is included：With
Connected in the flexible pipe or spray gun 200 and fluid supply pipe 100 of connection guiding fluid (agricultural water or agricultural chemicals) flowing
Bearing body 10, rotation axle portion 20, shower nozzle head 30, shower nozzle branched pipe 40, propulsion shower head pipe 50, spraying nozzle 60 and rotation
Air blade portion 70.
The bearing body 10 is connected with fluid supply pipe 100, and the bearing body 10 is supplied by the fluid
Fluid is supplied to spraying nozzle 60 with pipe 100, and when fluid sprays from the spraying nozzle 60, when forming spraying,
The repulsive force of the atomisation pressure that fluid is formed, makes the rotation axle portion 20, the shower nozzle head 30, shower nozzle branched pipe 40, propulsion
Shower head pipe 50 and spraying nozzle 60 are supported by bearing body 10, and form rotation, the bushed bearing in the one end of bearing body 10
Body 10 is included：First body 11, the second body 12, the 3rd body 13 and pad 14.
Described one end of first body 11 is provided with the first connecting portion 11a being connected with fluid supply pipe 100, the other end
It is provided with the second connecting portion 11b being connected with second body 12.
Described one end of second body 12 is provided with the 3rd connecting portion 12a being connected with second connecting portion 11b, the other end, if
The inside for having the 4th connecting portion 12b being connected with the 3rd body 13, second body 12 is provided with for making the rotation
The clutch shaft bearing B1 of the rotation of shaft 20, the interior side face of second body 12 is additionally provided with the four sides of one and clutch shaft bearing B1
Contact site 12c.
The 4th connecting portion 12b is connected with one the 5th connecting portion 13a of described one end of 3rd body 13, the 3rd pipe
It is provided with inside body 13 for making what the rotation axle portion 20 rotated, and second bearing B2 corresponding with clutch shaft bearing B1 positions,
The interior side face of the 3rd body is additionally provided with one is used to block the hanging groove 13b of the second bearing B2.
The pad 14 is located between the first body 11 and the second body 12.
The rotation axle portion 20 is connected with the bearing body 10, and by rotating the central shaft tube 21 inside axle portion 20
Insertion the second body 12, the 3rd body 13, clutch shaft bearing B1, second bearing B2 and the pad 14, the central shaft tube 21
One end is connected by one the 6th connecting portion 22a in a shaft body 22 with the shower nozzle head 30.
The shower nozzle head 30 is connected by one the 7th connecting portion 31 with the 6th of the shaft body 22 of the rotation axle portion 20 the
Portion 22a is connected, and is interlocked with the rotation axle portion 20, and the peripheric surface of shower nozzle head 30 is provided with multiple with the shower nozzle branch
The combined hole 32 of the connection of pipe 40.
The shower nozzle branched pipe 40 is connected and connects with the shower nozzle head 30, and fluid is from the fluid supply pipe
100 start, and diverge to the fluid of supply to the shower nozzle head 30 and come.
Described at least one pair of shower nozzle branched pipe 40 is connected and connects with the propulsion shower head pipe 50 respectively, the shower nozzle branch
The side end of pipe 40 forms bending section 51 at a certain angle, the atomisation pressure of the fluid for and then being formed, and makes according to repulsive force described
Shower nozzle head 30 rotates offer power.
At bending section 51 of the fluid by the propulsion shower head pipe 40, because the fluid applies necessarily to bending section 51
Pressure, the pressure applied in the bending section 51 starts, and can increase and the rotation that the propulsion shower head pipe 50 is connected
The revolving force of shaft 20.
The shower nozzle branched pipe 40 is constituted with soft aluminum pipe or copper pipe, and its angle of bend is arbitrarily can adjust
Composition.
The spraying nozzle 60 is connected with an end of the propulsion shower head pipe 50, and fluid can be from spraying nozzle 60
Spray.
The rotary wind blade part 70 is connected in the shaft body 22, and fluid rotary spray is carried out from the spraying nozzle 60
During mist, with the spraying of fluid, increase extension, low pressure is generated from front, hyperbar, the revolving force for causing are generated from rear
Increase diffusional area.The rotary wind blade part 70 is made up of at least one air blade, in the outer peripheral face of the shaft body 22
Combined with air blade body 71, in the air blade body 71, extension constitutes one and is combined with the rotary wind blade part 70
The formation of formationThe air blade joint portion 72 of font.
The plural air blade joint portion 72 of identical height or different height is provided with the air blade body 71.
Highly expanded radially with the identical plural blade of installation of the rotating vane portion 70 is constituted.The rotation
To central rotation, rotating vane front maintains low pressure state to each blade in blade part 70, and rear maintains hyperbar state.
When blade discharges with different height in such rotating vane portion 70 that the blade of the plural number is constituted, plural number is constituted
The blade number of plies, this when, 70 ultralow air pressure of front generation of the rotating vane portion, can maximize wind-force.
As shown in Figures 1 to 6, equally also it is the agricultural spray equipment of implementation example of the invention, agricultural water or agriculture
The same fluid such as medicine is connected with certain hydraulic pressure by with flexible pipe or spray gun 200, is supplied to fluid supply pipe 100
Fluid, in the fluid supply with pipe 100, the fluid of certain hydraulic pressure is supplied by bearing body 10 and rotation axle portion 20
To shower nozzle head 30.
When the fluid being fed to certain hydraulic pressure in the shower nozzle head 30, given by multiple shower nozzle branched pipes 40 and divided
Diverge to and.The fluid for so being come by fork, by when bending section 51 of composition, causing punching on the shower nozzle branched pipe 40
Hit pressure or repulsive force.
The surge occurred in the bending section 51 starts, to the propulsion shower head pipe 50, the shower nozzle branched pipe 40,
The shower nozzle head 30 of the connection of shower nozzle branched pipe 40 and the rotation axle portion 20 of the shower nozzle head 30 connection, even if
Extra power is not applied, it is also possible to keep rotation.
The second body 12 and the 3rd that the central shaft tube 21 of the rotation axle portion 20 is not only included on insertion bearing body 10
The clutch shaft bearing B1 that is assigned in the second body 12 of body 13, and on central shaft tube 21, also insertion and the 3rd body 13 and
Second bearing B2.The bending section 51 of the propulsion shower head pipe 50 is inner to produce surge or repulsive force, realizes shower nozzle head 30
Rotation, revolving force is passed in the rotation shaft body 22 of axle portion 20, then, since the shaft body 22, can realize central shaft tube
21 rotation.
The shaft body 22 is connected gearing with the air blade body 71, and structure is continued in the upper periphery of air blade body 71
Into one or more air blade joint portion 72, a rotary wind leaf portion 70 is provided with each described air blade joint portion 72.Institute
When stating the rotation rotation of axle portion 20, rotary wind leaf portion 70 maximizes wind-force to the gradual generation low pressure in center.
Fluid is mutually tied by with the bending section 51 for forming the shower nozzle branched pipe 40 and the side end of propulsion shower head pipe 50
When the spraying nozzle 60 for closing is sprayed, the fluid being injected, with the wind that the revolving force of the rotary wind blade part 70 is generated
Power, while increasing the dynamics scattered, can spread the spray area of the fluid.
Implementation example of the invention, comes with by the bending section 51 of the shower nozzle branched pipe 40 and respectively more than one leaf
The rotation in the rotating vane portion 70 of piece starts the wind-force that the air pressure (low pressure and hyperbar) of generation occurs, by described spraying
The scope of the fluid of the injection of shower nozzle 60, what can be spread is farther.
The related technological thought of watering sprayer of the invention is set forth together with accompanying drawing above, but, the present invention
Implementation example, while other more forms can be deformed into, the scope of the present invention is not limited only to described above
Implement the form of example.
Particularly, the patent of the invention recorded in claim scope is right without departing from technical thought range
The art has for the personnel of general technology, and the displacement of various form can be carried out with this, deformation, and change, for by
This change extended, deformation, displacement etc. are belonged in the range of patent of the present invention.
Claims (3)
1. a kind of watering sprayer, it is characterised in that it includes：
The bearing body of connecting fluid supply pipe；
It is connected to the rotation axle portion of the bearing body；
One end is connected in the rotation axle portion, the shower nozzle head of linkage rotation together with the rotation axle portion；
The shower nozzle head is connected on, since the fluid supply pipe, the fluid of supply is diverged to the shower nozzle head
Come, the shower nozzle branched pipe of the bending section that side end is formed at a certain angle；
At least more than one composition, in side end, forms bending section, with fluid at a certain angle in the shower nozzle branched pipe
Atomisation pressure, the shower nozzle head can be made to produce the propulsion shower head pipe of rotary power according to repulsive force；
And including formed bending section the shower nozzle branched pipe and the propulsion shower head pipe side end connection, make fluid
The spraying nozzle that can be sprayed；
The bearing body includes that the first connecting portion of formation connecting fluid supply pipe, in other end, forms at one end
First body of second connecting portion；The 3rd connecting portion being connected with the second connecting portion is formed at one end, in other end,
Form the 4th connecting portion, in the inner space of the 4th connecting portion, formed with one end of the rotation axle portion be combined equipped with the
Second body of one bearing；The 5th connecting portion that formation is connected with the 4th connecting portion, it is empty in the inside of the 5th connecting portion
Between in, form the 3rd body equipped with second bearing that is combined of the other end with the rotation axle portion；And comprising with it is described
The pad being combined between first and second body, in the inside of second body, forms the four sides contact of the clutch shaft bearing
Portion, in the inside of the 3rd body, formation can tangle the hanging groove of the second bearing；The composition bag of the rotation axle portion
Contain, be combined with first and second bearing, the central shaft tube of second and third body and the pad described in insertion；And described
One end of central shaft tube is formed, and the shaft body of the 6th connecting portion to be formed is combined with the shower nozzle head.
2. watering sprayer according to claim 1, it is characterised in that with the rotation that at least one air blade is constituted
Turn air blade portion to be connected in the shaft body, when carrying out fluid rotary spraying from the spraying nozzle, with the spraying of fluid,
Increase extension, low pressure is generated from front, and hyperbar is generated from rear, and the revolving force for causing increases diffusional area.
3. watering sprayer according to claim 2, it is characterised in that the rotating vane portion is constituted with two or more,
By the gradual generation low pressure in respective rotating vane Bu Xiang centers, maximize wind-force.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140164620A KR101718797B1 (en) | 2014-11-24 | 2014-11-24 | High pressure sprinkler |
| KR1020140164620 | 2014-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104886024A CN104886024A (en) | 2015-09-09 |
| CN104886024B true CN104886024B (en) | 2017-06-06 |
Family
ID=54019345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510231026.1A Expired - Fee Related CN104886024B (en) | 2014-11-24 | 2015-05-08 | watering sprayer |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101718797B1 (en) |
| CN (1) | CN104886024B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105815193A (en) * | 2016-05-11 | 2016-08-03 | 河海大学 | Energy-saving water conservancy irrigation system |
| CN105921298B (en) * | 2016-06-15 | 2022-09-02 | 陆英豪 | Planetary water-spraying windmill |
| KR101933872B1 (en) | 2017-05-15 | 2019-04-08 | 주식회사 세웅 | Rotary injection device |
| CN107347844A (en) * | 2017-07-05 | 2017-11-17 | 佛山杰致信息科技有限公司 | Agricultural spraying device |
| KR102003613B1 (en) * | 2017-11-24 | 2019-10-01 | 김유경 | A sprayer for agricultural chemicals |
| KR20200047280A (en) * | 2018-10-26 | 2020-05-07 | 김성림 | A sprayer for agricultural |
| CN109619068A (en) * | 2018-11-21 | 2019-04-16 | 台州市洲农业机械有限公司 | A kind of adjustable blower structure of spraying machine |
| CN110203401A (en) * | 2019-07-08 | 2019-09-06 | 深圳市星石空间科技有限公司 | Medium flusher and its control method |
| KR102161386B1 (en) * | 2019-12-02 | 2020-09-29 | 한광식 | A sprayer for agricultural |
| KR102313884B1 (en) | 2020-04-28 | 2021-10-15 | 홍재의 | Spray tube connector assembly |
| KR102264084B1 (en) * | 2020-12-21 | 2021-06-16 | 편원규 | Revolution Device of Sprayer for agriculture |
| CN115316695B (en) * | 2022-06-29 | 2023-12-05 | 北京市农林科学院智能装备技术研究中心 | Spraying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140147Y (en) * | 2007-11-13 | 2008-10-29 | 张柏明 | Steering water blocking apparatus of water sprayer |
| CN203304093U (en) * | 2012-05-04 | 2013-11-27 | 林碧芳 | Bending nozzle with bevel |
| CN203508277U (en) * | 2013-09-10 | 2014-04-02 | 万红缨 | Rotating water outlet column |
| CN203764437U (en) * | 2014-04-17 | 2014-08-13 | 中国葛洲坝集团股份有限公司 | Rotary water spraying device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5585932B2 (en) * | 2010-04-13 | 2014-09-10 | 三機工業株式会社 | Air conditioner with rotary spray mechanism |
| KR200474950Y1 (en) * | 2013-04-16 | 2014-10-29 | 이근석 | Revolution Speed Reduction Device of Swivel Nozzle |
-
2014
- 2014-11-24 KR KR1020140164620A patent/KR101718797B1/en active IP Right Grant
-
2015
- 2015-05-08 CN CN201510231026.1A patent/CN104886024B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140147Y (en) * | 2007-11-13 | 2008-10-29 | 张柏明 | Steering water blocking apparatus of water sprayer |
| CN203304093U (en) * | 2012-05-04 | 2013-11-27 | 林碧芳 | Bending nozzle with bevel |
| CN203508277U (en) * | 2013-09-10 | 2014-04-02 | 万红缨 | Rotating water outlet column |
| CN203764437U (en) * | 2014-04-17 | 2014-08-13 | 中国葛洲坝集团股份有限公司 | Rotary water spraying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104886024A (en) | 2015-09-09 |
| KR20160061778A (en) | 2016-06-01 |
| KR101718797B1 (en) | 2017-04-04 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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