CN102919099A - Wind-power belt wheel water lifting system - Google Patents
Wind-power belt wheel water lifting system Download PDFInfo
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- CN102919099A CN102919099A CN2012104492129A CN201210449212A CN102919099A CN 102919099 A CN102919099 A CN 102919099A CN 2012104492129 A CN2012104492129 A CN 2012104492129A CN 201210449212 A CN201210449212 A CN 201210449212A CN 102919099 A CN102919099 A CN 102919099A
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- bevel gear
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
A wind-power belt wheel water lifting system comprises a wind-power converting device, a water collecting device and a water extruding and storing device. The wind-power converting device comprises a wind-power blade, continuous bevel gears, a yawing calibration tail fin, a steering shaft, a double-end bevel gear and continuous driving wheel bevel gears. The water collecting device comprises a driving wheel, a driven wheel, a synchronous belt, two fixed pulley shafts and two bevel gear connecting shafts, wherein the synchronous belt surrounds the driving wheel, the driven wheel and the two fixed pulley shafts, and the outer side of the synchronous belt is provided with a water absorbing material. The water extruding and storing device comprises an extruding wheel group and a water storing box. Central shafts of the driving wheel, the extruding wheel group and the driven wheel are connected onto the water storing box through bearings, and the synchronous belt passes through the driving wheel, sequentially passes through extruding wheels and then passes though the driven wheel. The wind-power belt wheel water lifting system directly converts wind energy into gravitational potential energy of water to achieve water lifting and has the advantages of being water-saving, energy-saving, wide in application range, small in noise, simple in structure and the like.
Description
Technical field
The invention belongs to the fields such as agricultural irrigation and urban residents' water, is a kind of wind energy that takes full advantage of, and constantly water extraction is raised to the height that needs, and can help to irrigate, and saving water resource provides convenient for life simultaneously, specifically a kind of wind-powered water lift.
Background technology
Less because of precipitation in arid and semiarid zone, the main agricultural that relies on the water source development such as underground water, river water, mainly be distributed in the Hetao Plain of the Northwest in China, the rural area on the ground such as Ningxia Plain and Hexi Corridor is mainly take irrigation farming as main, namely regulate the temperature in soil and the nutrient of soil, to improve land productivity.Mainly by various agricultural water conservancy irrigation facilities, satisfy crops to the needs of moisture, regulate soil temperature, humidity and soil air, nutrient, improve land capability.
The irrigation method of these regional rural areas uses is mainly with a large amount of groundwater abstractions of water pump and irrigates now, and such irrigation method water utilization rate is very low, current present situation for water resource lacks day by day obviously has been difficult to satisfy the requirement of society.
Now water-saving irrigation becomes the substitute mode of a traditional irrigation, mainly contains the modes such as sprinkling irrigation, slight irrigation, drip irrigation, and wherein drip irrigation is the most effective a kind of Water Saving Irrigation Mode in present drought and water shortage area, and the availability of water can reach 95%.Drip irrigation is sprayed and is had higher water-saving and yield-increasing effect, can in conjunction with fertilising, improve fertilizer efficiency more than one times simultaneously.Can be used for fruit tree, vegetables, economic crops and green house and irrigate, also can be used for field crop irrigation in the place of drought and water shortage.Its weak point is the easy fouling of water dropper and obstruction, and therefore tackling the water source carries out strict filtration treatment.At present, home equipment reaches a standard substantially, and the develop actively drip irrigation is answered in area with good conditionsi.
The present invention puts forth effort on the water lift problem that solves in the drip irrigation, namely utilizes wind energy, and underground water is slowly risen to more than the ground, and the droping irrigating pipe that recycling is laid is irrigated.The present invention also can be used for solution well water is risen to the earth's surface storage, saves artificial water lift human cost and time, utilizes wind energy to carry out water lift operation, energy savings fully simultaneously.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of windmill water pumping system is provided.
The present invention realizes by following technical solution:
A kind of wind-force belt wheel water pumping system, characteristics are that its formation comprises wind power transformation device, laden water collecting device and water squeezing water storage device;
Described wind power transformation device comprises wind blade, connects and fan bevel gear, driftage calibration empennage, steering spindle, double end bevel gear and connect the driving wheel bevel gear, described wind blade fans that bevel gear is coaxial to be fixedly connected with connecting, the longitudinal axis of driftage calibration empennage is fixedly connected with an end of steering spindle, both rotate with equal angular by box haul, the transverse axis of driftage calibration empennage passes the wind blade center, connect by bearing, connect the upper end engagement of fanning bevel gear and double end bevel gear, the lower end of double end bevel gear and even driving wheel bevel gear engagement;
Described laden water collecting device comprises driving wheel, driven pulley, Timing Belt, two fixed pulley axis and two bevel gear connecting axles, described bevel gear connecting axle is respectively with driving wheel driven pulley interference fit or be welded as a whole, the described bevel gear connecting axle interference fit that connects driving wheel bevel gear and driving wheel, both are coaxial and do not produce relative motion, described Timing Belt is centered around described driving wheel, driven pulley and two fixed pulley axis, and the outside of this Timing Belt is provided with absorbent material;
Described water squeezing water storage device comprises extruding wheels and storage tank, the central shaft of described driving wheel, extruding wheels and driven pulley is connected on the storage tank by bearing, described extrusion wheel is mounted between described driving wheel and the driven pulley, described Timing Belt passes through driven pulley successively again behind each extrusion wheel behind driving wheel.
The transmission of described bevel gear is converted into the moment of torsion of rotary driving wheel with the wind-force that bears on the wind blade, regulates by driftage calibration empennage travel direction, all can realize in any direction the motion of synchronous pulley system.
The outside of described Timing Belt is absorbent material, and this Timing Belt matches with driving wheel and driven pulley.
Compared with prior art, the present invention has following advantage:
1. utilize wind energy fully, not loss electric energy does not produce cost of labor.
2. applied range can be used for agricultural irrigation systems, automatically taking water, and the storage tank outer wall arranges aqueduct on top, solves the agricultural irrigation problem with drip irrigation, uses manpower and material resources sparingly, and is time saving and energy saving; Can be used for substituting of traditional well-bucket water-supply method equally, the water lift of need not requiring great effort can be used for the Serving for Rural common people.
3. by the size of control wind blade, control appliance water lift speed can be reached, water resource waste can be effectively reduced.
4. directly be converted to kinetic energy by wind energy, more traditional is converted to electric energy to wind energy, and electrical power storage provides the energy by accumulator again in accumulator, with this mode of pumping for water pump, has saved the excessive of electric energy, and efficient improves greatly.Simultaneously, the life of storage battery is not long, saves the use of accumulator, so that cost reduces greatly.
5. with the mode of Timing Belt as transport of water, greatly reduce noise, realized noiselessness fortune water.
Description of drawings
Fig. 1 is the structural representation of water pumping of the wind-force of the present invention system;
Fig. 2 is the explosive view of water pumping of the wind-force of the present invention system;
Fig. 3 is the structural representation of wind-force reforming unit among the present invention;
Fig. 4 is the structural representation of water collecting device among the present invention;
Fig. 5 is the structural representation of water squeezing water storage device among the present invention.
Among the figure, 1 wind blade, 2 even fan bevel gear, 3 calibration empennages, 4 steering spindles, 5 double end bevel gears, 6 connect the driving wheel bevel gear, 7 driving wheels, 8 extruding wheels, 9 driven pulleys, 10 Timing Belts, 11 fixed pulley axis, 12 bevel gear connecting axles, 13 storage tanks.
Embodiment
Below in conjunction with drawings and Examples the present invention is elaborated; needing the explanation present embodiment is to implement under take technical solution of the present invention as prerequisite; provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Please consult first Fig. 1 and Fig. 2, Fig. 1 is the structural representation of water pumping of the wind-force of the present invention system, and Fig. 2 is the explosive view of water pumping of the wind-force of the present invention system, as shown in the figure, a kind of wind-force belt wheel water pumping system comprises wind power transformation device, laden water collecting device and water squeezing water storage device.
The wind power transformation device comprises: wind blade 1, connect and to fan bevel gear 2, driftage calibration empennage 3, steering spindle 4, double end bevel gear 5 connects driving wheel bevel gear 6, described wind blade 1 with even fan bevel gear 2 and weld mutually, both are coaxial and can not produce relative motion.Wind blade relies on 3 calibrations of driftage calibration empennage, makes it remain blade windward.Driftage calibration empennage 3 and steering spindle 4 welding, both rotate with equal angular by box haul.The transverse axis of driftage calibration empennage 3 passes wind blade 1 center, connects with bearing between the two.Whole wind blade 1 and connect and to fan the mechanism that bevel gear 2 forms can 360 ° of rotations centered by steering spindle 4, guarantee to facing the wind all the time.Connect the upper end engagement of fanning bevel gear 2 and double end bevel gear 5, the lower end of double end bevel gear 5 and even driving wheel bevel gear 6 engagements are referring to Fig. 3.
Laden water collecting device comprises driving wheel 7, driven pulley 9,10, two fixed pulley axis 11 of Timing Belt and two bevel gear connecting axles 12.By the engagement of bevel gear, the moment of torsion that blade rotary is produced is delivered to by bevel gear 12 on the driving wheel 7 of synchronizing wheel, drives Timing Belt 10 motions.Connect driving wheel bevel gear 6 and adopt interference fit with bevel gear connecting axle 12, both are coaxial and do not produce relative motion.Bevel gear connecting axle 12 is with driving wheel 7 interference fit or be welded as a whole, between do not produce relative rotation or along the axle relative motion.Can transmitting torque.The outside of Timing Belt 10 is absorbent material, matches in the outside of driving wheel 7, driven pulley 9 and fixed pulley axis 11.Wherein driving wheel 7 and driven pulley 9 are the synchronizing wheel structure.As shown in Figure 4.
Described fixed pulley axis 11 is fixed in (in well, underground conservation pool is medium) in the underground water, therefore will adopt waterproof material.
The water squeezing water storage device comprises extruding wheels 8 and storage tank 13, the central shaft of described driving wheel 7, extruding wheels 8 and driven pulley 9 is connected on the storage tank 13 by bearing, extruding wheels 8 are located between described driving wheel 7 and the driven pulley 9, Timing Belt 10 passes through driven pulley 9 and fixed pulley axis 11 successively again behind each extrusion wheel behind driving wheel 7.The Timing Belt 10 of storage tank 13 inside is the V font, makes things convenient for water to flow can not flow to the outside in water tank inside or flows down along belt.
Concrete using method is, the Timing Belt 10 of bottom is through after in the underground water, by absorbing material water is sucked Timing Belt inside, drive laden water collecting device and the running of water squeezing water storage device by wind power transformation device rotary driving wheel 7, continuously underground water is transported to top, on top, squeezing action by extruding wheels 8, the water of Timing Belt 10 is flowed in the storage tank 13 on top, realize the conversion of the gravitional force of wind energy and water, reach the purpose of water storage.
Being preferred embodiment of the present invention only in sum, is not to limit practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (4)
1. a wind-force belt wheel water pumping system is characterised in that its formation comprises wind power transformation device, laden water collecting device and water squeezing water storage device;
Described wind power transformation device comprises wind blade, connects and fan bevel gear, driftage calibration empennage, steering spindle, double end bevel gear and connect the driving wheel bevel gear, described wind blade fans that bevel gear is coaxial to be fixedly connected with connecting, the longitudinal axis of driftage calibration empennage is fixedly connected with an end of steering spindle, both rotate with equal angular by box haul, the transverse axis of driftage calibration empennage passes the wind blade center, connect by bearing, connect the upper end engagement of fanning bevel gear and double end bevel gear, the lower end of double end bevel gear and even driving wheel bevel gear engagement;
Described laden water collecting device comprises driving wheel, driven pulley, Timing Belt, two fixed pulley axis and two bevel gear connecting axles, described bevel gear connecting axle is respectively with driving wheel driven pulley interference fit or be welded as a whole, the described bevel gear connecting axle interference fit that connects driving wheel bevel gear and driving wheel, both are coaxial and do not produce relative motion, described Timing Belt is centered around described driving wheel, driven pulley and two fixed pulley axis, and the outside of this Timing Belt is provided with absorbent material;
Described water squeezing water storage device comprises extruding wheels and storage tank, the central shaft of described driving wheel, extruding wheels and driven pulley is connected on the storage tank by bearing, described extrusion wheel is mounted between described driving wheel and the driven pulley, described Timing Belt passes through driven pulley successively again behind each extrusion wheel behind driving wheel.
2. a kind of wind-force belt wheel water pumping system according to claim 1, it is characterized in that, the transmission of described bevel gear, the wind-force that bears on the wind blade is converted into the moment of torsion of rotary driving wheel, regulate by driftage calibration empennage travel direction, all can realize in any direction the motion of synchronous pulley system.
3. a kind of wind-force belt wheel water pumping system according to claim 1 is characterized in that the outside of described Timing Belt is absorbent material, and this Timing Belt matches with driving wheel and driven pulley.
4. each described a kind of wind-force belt wheel water pumping system is characterized in that according to claim 1～3, is provided with water transport channel on the outer wall of described storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449212.9A CN102919099B (en) | 2012-11-12 | 2012-11-12 | Wind-power belt wheel water lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449212.9A CN102919099B (en) | 2012-11-12 | 2012-11-12 | Wind-power belt wheel water lifting system |
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| Publication Number | Publication Date |
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| CN102919099A true CN102919099A (en) | 2013-02-13 |
| CN102919099B CN102919099B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210449212.9A Expired - Fee Related CN102919099B (en) | 2012-11-12 | 2012-11-12 | Wind-power belt wheel water lifting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379607A (en) * | 2015-10-13 | 2016-03-09 | 无锡昊瑜节能环保设备有限公司 | Automatic water taking and irrigating apparatus on country road |
| CN106593776A (en) * | 2016-12-15 | 2017-04-26 | 孙亮新 | Wind energy waterwheel |
| CN107279105A (en) * | 2017-06-19 | 2017-10-24 | 宁德职业技术学院 | A kind of novel tree chemical spraying device |
| CN108757328A (en) * | 2018-06-08 | 2018-11-06 | 肇庆益晟商贸有限公司 | A kind of new energy wind power generation plant |
| CN108934931A (en) * | 2018-06-29 | 2018-12-07 | 广东知识城运营服务有限公司 | A kind of wind-force river water automatic watering device |
| CN110468906A (en) * | 2019-07-20 | 2019-11-19 | 张欢 | A kind of agricultural, which is taked precautions against drought, drains stocking system with water body |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203136U (en) * | 1986-05-16 | 1987-08-12 | 清华大学 | Wind-driven self-sucking drawing water unit |
| CN2111380U (en) * | 1991-12-12 | 1992-07-29 | 张耀培 | Two-purpose wind-driven machine for water-drawing and electric power |
| US5366342A (en) * | 1992-08-13 | 1994-11-22 | Softwind Limited Partnership | Water pumping push-pull windmill |
| CN1223338A (en) * | 1998-01-07 | 1999-07-21 | 刘清海 | Wind power pneumatic water-pumping machine |
| WO2001096708A1 (en) * | 2000-06-12 | 2001-12-20 | Steven Craig Myers | Reciprocating windmill pumping system |
| JP2004181440A (en) * | 2002-11-29 | 2004-07-02 | Tomiji Watabe | Water purification system |
| CN1800642A (en) * | 2005-12-30 | 2006-07-12 | 丛阳滋 | Wind-driven hydraulic plunger water raising method and apparatus |
| CN2895820Y (en) * | 2006-05-17 | 2007-05-02 | 白城市农牧机械化研究院 | Wind-force air-pressure water-lifting device |
| CN201111552Y (en) * | 2007-09-06 | 2008-09-10 | 王林虎 | Wind-driven water pump |
| CN201292916Y (en) * | 2008-11-13 | 2009-08-19 | 上海同济大学实验学校 | Wind energy water lift machine |
| CN201528595U (en) * | 2009-09-28 | 2010-07-21 | 仲猛 | Wind oxygen increasing tower for aquaculture |
| SE1000123A1 (en) * | 2010-02-09 | 2011-08-10 | Spektrakon Ab | Lifting device for lifting components included in wind turbines and similar structures |
| CN202001204U (en) * | 2011-04-13 | 2011-10-05 | 陈小关 | Wind-force water elevator |
| DE102011050032A1 (en) * | 2011-05-02 | 2012-11-08 | Hansjörg Schechner | Wind turbine and device for generating electrical energy with such a wind turbine |
-
2012
- 2012-11-12 CN CN201210449212.9A patent/CN102919099B/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203136U (en) * | 1986-05-16 | 1987-08-12 | 清华大学 | Wind-driven self-sucking drawing water unit |
| CN2111380U (en) * | 1991-12-12 | 1992-07-29 | 张耀培 | Two-purpose wind-driven machine for water-drawing and electric power |
| US5366342A (en) * | 1992-08-13 | 1994-11-22 | Softwind Limited Partnership | Water pumping push-pull windmill |
| CN1223338A (en) * | 1998-01-07 | 1999-07-21 | 刘清海 | Wind power pneumatic water-pumping machine |
| WO2001096708A1 (en) * | 2000-06-12 | 2001-12-20 | Steven Craig Myers | Reciprocating windmill pumping system |
| JP2004181440A (en) * | 2002-11-29 | 2004-07-02 | Tomiji Watabe | Water purification system |
| CN1800642A (en) * | 2005-12-30 | 2006-07-12 | 丛阳滋 | Wind-driven hydraulic plunger water raising method and apparatus |
| CN2895820Y (en) * | 2006-05-17 | 2007-05-02 | 白城市农牧机械化研究院 | Wind-force air-pressure water-lifting device |
| CN201111552Y (en) * | 2007-09-06 | 2008-09-10 | 王林虎 | Wind-driven water pump |
| CN201292916Y (en) * | 2008-11-13 | 2009-08-19 | 上海同济大学实验学校 | Wind energy water lift machine |
| CN201528595U (en) * | 2009-09-28 | 2010-07-21 | 仲猛 | Wind oxygen increasing tower for aquaculture |
| SE1000123A1 (en) * | 2010-02-09 | 2011-08-10 | Spektrakon Ab | Lifting device for lifting components included in wind turbines and similar structures |
| CN202001204U (en) * | 2011-04-13 | 2011-10-05 | 陈小关 | Wind-force water elevator |
| DE102011050032A1 (en) * | 2011-05-02 | 2012-11-08 | Hansjörg Schechner | Wind turbine and device for generating electrical energy with such a wind turbine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379607A (en) * | 2015-10-13 | 2016-03-09 | 无锡昊瑜节能环保设备有限公司 | Automatic water taking and irrigating apparatus on country road |
| CN106593776A (en) * | 2016-12-15 | 2017-04-26 | 孙亮新 | Wind energy waterwheel |
| CN107279105A (en) * | 2017-06-19 | 2017-10-24 | 宁德职业技术学院 | A kind of novel tree chemical spraying device |
| CN108757328A (en) * | 2018-06-08 | 2018-11-06 | 肇庆益晟商贸有限公司 | A kind of new energy wind power generation plant |
| CN108934931A (en) * | 2018-06-29 | 2018-12-07 | 广东知识城运营服务有限公司 | A kind of wind-force river water automatic watering device |
| CN110468906A (en) * | 2019-07-20 | 2019-11-19 | 张欢 | A kind of agricultural, which is taked precautions against drought, drains stocking system with water body |
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| Publication number | Publication date |
|---|---|
| CN102919099B (en) | 2014-03-26 |
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Granted publication date: 20140326 Termination date: 20161112 |