CN112576428B - Irrigation equipment for hydroelectric power generation - Google Patents
Irrigation equipment for hydroelectric power generation Download PDFInfo
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- CN112576428B CN112576428B CN202110044203.0A CN202110044203A CN112576428B CN 112576428 B CN112576428 B CN 112576428B CN 202110044203 A CN202110044203 A CN 202110044203A CN 112576428 B CN112576428 B CN 112576428B
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- rotating
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- rotating shaft
- water
- belt pulley
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
- F03B15/06—Regulating, i.e. acting automatically
- F03B15/18—Regulating, i.e. acting automatically for safety purposes, e.g. preventing overspeed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to the relevant field of hydroelectric power generation, in particular to a hydroelectric power generation irrigation device which comprises a machine body, wherein a water tank is arranged in the machine body, a channel is arranged on the lower side of the water tank, a first rotating cavity with a rightward opening is arranged on the left side of the channel, a first rotating shaft is rotatably arranged in the first rotating cavity, a first belt pulley and a water wheel are fixedly arranged on the surface of the first rotating shaft, a third rotating cavity with an upward opening is arranged on the lower side of the channel, a fourth rotating cavity is arranged on the lower side of the third rotating cavity, a second rotating shaft is rotatably arranged in the fourth rotating cavity, a second belt pulley and a first bevel gear are fixedly arranged on the surface of the second rotating shaft, so that water sources can be driven to be scattered and irrigated to two sides under the drive of different water flow potential energies, meanwhile, fertilizers and other articles beneficial to planting can be slowly added, when the output rotating speed is too high, a baffle plate with a through hole is stretched out to buffer the flow speed, the speed is stabilized around a fixed value.
Description
Technical Field
The invention relates to the related field of hydroelectric power generation, in particular to irrigation equipment for hydroelectric power generation.
Background
Hydroelectric power generation is realized by utilizing the impact energy left by water flow from a high position to a low position to convert the contained potential energy into the kinetic energy of a water turbine, and the different falling flow rates of the water flow can cause different rotating speeds of the water turbine, so that the output rotating speed is unstable, and the use of output power is influenced, therefore, a hydroelectric power generation irrigation device is needed to be designed.
Disclosure of Invention
The present invention aims to provide a hydroelectric irrigation apparatus which overcomes the above-mentioned drawbacks of the prior art, and thus improves the practicality of the apparatus.
The technical scheme adopted by the invention for solving the technical problems is as follows: the irrigation equipment for hydroelectric power generation comprises a machine body, wherein a water tank is arranged in the machine body, a channel is arranged on the lower side of the water tank, the water tank is fixedly connected with the channel through a water gate, a first sliding cavity is arranged in the channel, a first rotating cavity with a right opening is arranged on the left side of the channel, a first rotating shaft is rotatably arranged in the first rotating cavity, a first belt pulley and a water wheel are fixedly arranged on the surface of the first rotating shaft, a second rotating cavity is arranged on the right side of the first sliding cavity in a penetrating manner, a baffle device is arranged in the second rotating cavity, the baffle device can limit the flow speed, a speed measuring device is arranged on the upper side of the baffle device, the speed measuring device can detect the rotating speed of the water wheel, the baffle device can be continuously driven to be triggered to start when the rotating speed reaches a certain degree, a third rotating cavity is arranged on the lower side of the channel with an upward opening, the third rotates the intracavity and is provided with centrifugal device, centrifugal device can drive the water source and rotate, throws away the watering to both sides under the centrifugal force effect, the third rotates the lining up of chamber bilateral symmetry and is provided with first through-hole, third rotates the chamber downside and is provided with the fourth and rotates the chamber, the rotatable second pivot that is provided with in the fourth rotation chamber, second pivot fixed surface is provided with second belt pulley and first bevel gear, third rotates the chamber upside and is provided with fertilizer and adds the device, fertilizer add the device can the water wheels pivoted in-process is right slowly add materials such as fertilizer in the centrifugal device.
Further, but baffle device including the horizontal slip set up in baffle in the first slip intracavity, what link up from top to bottom is provided with the second through-hole in the baffle, the fixed rack that is provided with of baffle right-hand member, rack right-hand member wall with the second rotates and is provided with first spring between the chamber right-hand member wall, the rotatable third pivot that is provided with of rack upside, third pivot fixed surface is provided with interior ratchet and first gear, the interior ratchet outside is provided with outer ratchet, the fixed second gear that is provided with in outer ratchet outer end, the rotatable fourth pivot that is provided with in third pivot right side, fourth pivot fixed surface is provided with third belt pulley and third gear, the third belt pulley with connect through first belt drive between the second belt pulley. The second gear may be intermeshed with the third gear and the first gear may be intermeshed with the rack.
Further, the speed measuring device comprises a fifth rotating shaft rotatably arranged on the upper side of the third rotating shaft, a fourth belt pulley and a rotating wheel are fixedly arranged on the surface of the fifth rotating shaft, the fourth belt pulley is in transmission connection with the first belt pulley through a second belt, a first tooth piece is fixedly arranged on the surface of the rotating wheel, a second tooth piece is arranged between the first tooth piece in a sliding mode, and a second spring is fixedly arranged between the inner end wall of the second tooth piece and the outer end wall of the rotating wheel.
Further, the centrifugal device comprises a sixth rotating shaft which is rotatably arranged in the third rotating cavity, a water containing barrel is fixedly arranged on the surface of the sixth rotating shaft, a water containing opening is formed in the water containing barrel, the opening of the water containing barrel faces upwards, a third through hole is formed in the end wall of the water containing barrel, the sixth rotating shaft extends downwards into the fourth rotating cavity, a second bevel gear is fixedly arranged at the tail end of the fourth rotating cavity, and the second bevel gear can be meshed with the first bevel gear.
Further, the fertilizer adding device comprises a second sliding cavity with an upward opening, the second sliding cavity is formed in the upper side of the third rotating cavity, a sliding rod is arranged in the second sliding cavity in a vertically sliding mode, a fourth through hole is formed in the sliding rod in a left-right through mode, a third spring is fixedly arranged between the lower end wall of the sliding rod and the lower end wall of the second sliding cavity, and a storage cavity is formed in the left side of the second sliding cavity through an inner pipeline.
The invention has the beneficial effects that: the irrigation equipment for hydroelectric power generation can realize that water sources are driven to be spread and irrigated to two sides under the drive of different water flow potential energies, meanwhile, fertilizer and other articles beneficial to planting are slowly added, and when the output rotating speed is too high due to too large water flow, the baffle with the through hole stretches out to buffer the flow speed, so that the speed is stabilized at a fixed value or so.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Figure 1 is a schematic diagram of the overall construction of a hydroelectric irrigation apparatus of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, the irrigation equipment for hydroelectric power generation includes a body 11, a water tank 55 is disposed in the body 11, a channel 12 is disposed at a lower side of the water tank 55, the water tank 55 is fixedly connected to the channel 12 through a water gate 13, a first sliding chamber 14 is disposed in the channel 12, a first rotating chamber 38 with a right opening is disposed at a left side of the channel 12, a first rotating shaft 34 is rotatably disposed in the first rotating chamber 38, a first belt pulley 35 and a water wheel 36 are fixedly disposed on a surface of the first rotating shaft 34, a second rotating chamber 15 is disposed at a right side of the first sliding chamber 14 in a penetrating manner, a baffle device 101 is disposed in the second rotating chamber 15, the baffle device 101 can limit a flow rate, a speed measuring device 102 is disposed at an upper side of the baffle device 101, and the speed measuring device 102 can detect a rotating speed of the water wheel 36, when the rotating speed reaches a certain degree, the baffle device 101 can be continuously driven and triggered to start, a third rotating cavity 45 is arranged at the lower side of the channel 12 with an upward opening, a centrifugal device 103 is arranged in the third rotating cavity 45, the centrifugal device 103 can drive a water source to rotate, throwing out under the action of centrifugal force to two sides for watering, the third rotating cavity 45 is provided with first through holes 49 which are bilaterally symmetrical and run through, a fourth rotating cavity 39 is arranged at the lower side of the third rotating cavity 45, a second rotating shaft 40 is rotatably arranged in the fourth rotating cavity 39, the surface of the second rotating shaft 40 is fixedly provided with a second belt pulley 41 and a first bevel gear 42, a fertilizer adding device 104 is arranged on the upper side of the third rotating cavity 45, and the fertilizer adding device 104 can slowly add substances such as fertilizer into the centrifugal device 103 in the rotating process of the water wheel 36.
Advantageously, the shutter device 101 comprises a shutter 30 slidably arranged side to side in the first sliding chamber 14, a second through hole 31 is arranged in the baffle 30 in a vertically through manner, a rack 32 is fixedly arranged at the right end of the baffle 30, a first spring 33 is fixedly arranged between the right end wall of the rack 32 and the right end wall of the second rotating cavity 15, a third rotating shaft 25 is rotatably arranged on the upper side of the rack 32, an inner ratchet wheel 26 and a first gear 29 are fixedly arranged on the surface of the third rotating shaft 25, an outer ratchet wheel 27 is arranged outside the inner ratchet wheel 26, a second gear 28 is fixedly arranged at the outer end of the outer ratchet wheel 27, a fourth rotating shaft 22 is rotatably arranged at the right side of the third rotating shaft 25, a third belt pulley 23 and a third gear 24 are fixedly arranged on the surface of the fourth rotating shaft 22, the third pulley 23 is in transmission connection with the second pulley 41 through a first belt 56. The second gear 28 may be intermeshed with the third gear 24 and the first gear 29 may be intermeshed with the rack 32.
Advantageously, the speed measuring device 102 includes a fifth rotating shaft 16 rotatably disposed on the upper side of the third rotating shaft 25, a fourth belt pulley 17 and a rotating wheel 18 are fixedly disposed on the surface of the fifth rotating shaft 16, the fourth belt pulley 17 is in transmission connection with the first belt pulley 35 through a second belt 37, a first toothed plate 19 is fixedly disposed on the surface of the rotating wheel 18, a second toothed plate 20 is slidably disposed between the first toothed plate 19 and the second toothed plate 20, and a second spring 21 is fixedly disposed between the inner end wall of the second toothed plate 20 and the outer end wall of the rotating wheel 18.
Advantageously, the centrifugal device 103 includes a sixth rotating shaft 43 rotatably disposed in the third rotating chamber 45, the sixth rotating shaft 43 is fixedly disposed with a water tub 46, a water containing opening 47 is disposed with an upward opening in the water tub 46, a third through hole 48 is disposed on an end wall of the water tub 46, the sixth rotating shaft 43 extends downward into the fourth rotating chamber 39 and is fixedly disposed with a second bevel gear 44 at an end, and the second bevel gear 44 can be meshed with the first bevel gear 42.
Beneficially, the fertilizer adding device 104 includes a second sliding cavity 52 with an upward opening and disposed on the upper side of the third rotating cavity 45, a sliding rod 51 is disposed in the second sliding cavity 52 in a vertically slidable manner, a fourth through hole 54 is disposed in the sliding rod 51 in a left-right through manner, a third spring 53 is fixedly disposed between the lower end wall of the sliding rod 51 and the lower end wall of the second sliding cavity 52, and a storage cavity 50 is disposed on the left side of the second sliding cavity 52 through an internal pipeline.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device:
when the present invention is in the initial state, the floodgate 13 is in a relaxed state, the baffle 30 is at the rightmost side, the first spring 33 is in a relaxed state, the second spring 21 is in a relaxed state, and the third spring 53 is in a relaxed state.
When the device of the present invention works, the water gate 13 is opened, the water in the water tank 55 flows downward into the channel 12, the water flow drives the water wheel 36 to rotate, the water continues to flow downward into the water containing port 47, the water wheel 36 rotates to push the sliding rod 51 to fall intermittently, the third spring 53 is compressed, the fourth through hole 54 is kept communicated with the storage cavity 50, the fertilizer in the storage cavity 50 enters the water containing port 47, simultaneously the water wheel 36 rotates to drive the coaxial first belt pulley 35 to rotate, the fourth belt pulley 17 is driven to rotate by the transmission of the second belt 37, thereby the coaxial rotating wheel 18 is driven to rotate, the first tooth piece 19 is driven to rotate, the intermittent meshing of the first tooth piece 19 drives the first gear 29 to rotate, the first gear 29 rotates and meshes to drive the rack 32 to move out to the left, stretching the first spring 33, when the first blade 19 is disengaged from the first gear 29, the rack 32 is retracted by the first spring 33, the first gear 29 rotates reversely without rotating the outer ratchet 27, at the same time, the first gear 29 rotates to drive the coaxial inner ratchet 26 to rotate, the inner ratchet 26 rotates to drive the outer ratchet 27 to rotate, the second gear 28 rotates, the third gear 24 rotates by engagement, the coaxial third pulley 23 rotates, the second pulley 41 rotates by the transmission of the water tank 55, the coaxial first bevel gear 42 rotates, the second bevel gear 44 rotates by engagement, the coaxial water tank 46 rotates, the water in the water containing port 47 is spilled out through the third through hole 48 and the first through hole 49, completing irrigation;
when the water flow on the upper side of the channel 12 is increased, the water wheel 36 is driven to rotate faster, so that the first belt pulley 35 is driven to rotate faster, the fourth belt pulley 17 is driven to rotate faster, the coaxial rotating wheel 18 is driven to rotate faster, the second toothed plate 20 slides outwards under the action of centrifugal force, the first toothed plate 19 and the second toothed plate 20 are simultaneously meshed with the first gear 29, the first gear 29 is always meshed with the rack 32, so that the rack 32 is driven to move leftwards, the water flow on the upper side falls downwards through the second through hole 31, the flow rate of water is reduced, the rotating speed of the water wheel 36 is slowed down, and the rotating speed is kept within a certain range.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. A hydroelectric power generation irrigation apparatus comprising a body, wherein: the water tank is arranged in the machine body, a channel is arranged on the lower side of the water tank, the water tank is fixedly connected with the channel through a water gate, a first sliding cavity is arranged in the channel, a first rotating cavity with a rightward opening is arranged on the left side of the channel, a first rotating shaft is rotatably arranged in the first rotating cavity, a first belt pulley and a water wheel are fixedly arranged on the surface of the first rotating shaft, a second rotating cavity is arranged on the right side of the first sliding cavity in a penetrating manner, a baffle device is arranged in the second rotating cavity and can limit the flow speed, a speed measuring device is arranged on the upper side of the baffle device and can detect the rotating speed of the water wheel, the baffle device can be continuously driven and triggered to start when the rotating speed reaches a certain degree, a third rotating cavity is arranged on the lower side of the channel and with an upward opening, and a centrifugal device is arranged in the third rotating cavity, the centrifugal device can drive a water source to rotate, and throws out the water to two sides under the action of centrifugal force, first through holes are symmetrically arranged in the third rotating cavity in a penetrating mode, a fourth rotating cavity is arranged on the lower side of the third rotating cavity, a second rotating shaft is rotatably arranged in the fourth rotating cavity, a second belt pulley and a first bevel gear are fixedly arranged on the surface of the second rotating shaft, a fertilizer adding device is arranged on the upper side of the third rotating cavity, and the fertilizer adding device can slowly add substances such as fertilizer into the centrifugal device in the rotating process of the water wheel; the baffle device comprises a baffle which can slide left and right and is arranged in the first sliding cavity, a second through hole is arranged in the baffle in a vertically through way, a rack is fixedly arranged at the right end of the baffle plate, a first spring is fixedly arranged between the right end wall of the rack and the right end wall of the second rotating cavity, a third rotating shaft is rotatably arranged on the upper side of the rack, an inner ratchet wheel and a first gear are fixedly arranged on the surface of the third rotating shaft, an outer ratchet wheel is arranged outside the inner ratchet wheel, a second gear is fixedly arranged at the outer end of the outer ratchet wheel, a fourth rotating shaft is rotatably arranged on the right side of the third rotating shaft, a third belt pulley and a third gear are fixedly arranged on the surface of the fourth rotating shaft, the third belt pulley is in transmission connection with the second belt pulley through a first belt; the second gear may be intermeshed with the third gear and the first gear may be intermeshed with the rack; the speed measuring device comprises a fifth rotating shaft rotatably arranged on the upper side of the third rotating shaft, a fourth belt pulley and a rotating wheel are fixedly arranged on the surface of the fifth rotating shaft, the fourth belt pulley is in transmission connection with the first belt pulley through a second belt, a first tooth piece is fixedly arranged on the surface of the rotating wheel, a second tooth piece is arranged between the first tooth piece in a sliding mode, and a second spring is fixedly arranged between the inner end wall of the second tooth piece and the outer end wall of the rotating wheel.
2. A hydroelectric irrigation apparatus as claimed in claim 1, wherein: the centrifugal device comprises a sixth rotating shaft which is rotatably arranged in the third rotating cavity, the surface of the sixth rotating shaft is fixedly provided with a water containing barrel, an upward opening of the water containing barrel is provided with a water containing port, a third through hole is formed in the end wall of the water containing barrel, the sixth rotating shaft extends downwards into the fourth rotating cavity, the tail end of the fourth rotating cavity is fixedly provided with a second bevel gear, and the second bevel gear can be meshed with the first bevel gear.
3. A hydroelectric irrigation apparatus as claimed in claim 1, wherein: the fertilizer adding device comprises a second sliding cavity with an upward opening, the second sliding cavity is formed in the upper side of the third rotating cavity, a sliding rod is arranged in the second sliding cavity in a vertically sliding mode, a fourth through hole is formed in the sliding rod in a left-right through mode, a third spring is fixedly arranged between the lower end wall of the sliding rod and the lower end wall of the second sliding cavity, and a storage cavity is formed in the left side of the second sliding cavity through an inner pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044203.0A CN112576428B (en) | 2021-01-13 | 2021-01-13 | Irrigation equipment for hydroelectric power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044203.0A CN112576428B (en) | 2021-01-13 | 2021-01-13 | Irrigation equipment for hydroelectric power generation |
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| Publication Number | Publication Date |
|---|---|
| CN112576428A CN112576428A (en) | 2021-03-30 |
| CN112576428B true CN112576428B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110044203.0A Active CN112576428B (en) | 2021-01-13 | 2021-01-13 | Irrigation equipment for hydroelectric power generation |
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| CN (1) | CN112576428B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207937195U (en) * | 2017-12-28 | 2018-10-02 | 四川农业大学 | A kind of portable water intaking is tested the speed integrated apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858992Y (en) * | 2005-09-22 | 2007-01-17 | 陈卫国 | Flat water-current water wheel electric generator |
| EP2193270A2 (en) * | 2007-09-20 | 2010-06-09 | Dehlsen Associates, L.L.C. | Renewable energy fluid pump to fluid-based energy generation |
| CN201235332Y (en) * | 2008-06-04 | 2009-05-13 | 胡海顺 | Water storage irrigation apparatus |
| AU2010282536B2 (en) * | 2009-08-12 | 2015-04-09 | Crown Equipment Corporation | Information system for industrial vehicles |
| AT508900B1 (en) * | 2010-01-19 | 2011-05-15 | Univ Wien Tech | DEVICE AND METHOD FOR REMOVING WOVEN PARTS |
| US9127640B2 (en) * | 2011-09-02 | 2015-09-08 | Rohrer Technologies, Inc. | Multi-capture mode wave energy converter with submergible float |
| CN111108887A (en) * | 2020-02-28 | 2020-05-08 | 天台都领自动化技术有限公司 | A device for practicing thrift fertilizer watering |
| CN111188718A (en) * | 2020-03-20 | 2020-05-22 | 刘江 | Point-impact water wheel cyclic conversion bidirectional power generation device and regulation and control method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207937195U (en) * | 2017-12-28 | 2018-10-02 | 四川农业大学 | A kind of portable water intaking is tested the speed integrated apparatus |
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Effective date of registration: 20210830 Address after: 750003 Room 601, unit 2, building 21, district a, longxinyuan community, Xinhua East Street, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region Applicant after: Ningxia Zhongjian Gongda Construction Engineering Co.,Ltd. Address before: No. 242, Lane 725, Tongbo Road, Songjiang District, Shanghai, 201600 Applicant before: Shanghai Chixiao Electronic Technology Co.,Ltd. |
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