CN105408631A - Single-screw pump and wind water-pumping system using single-screw pump - Google Patents
Single-screw pump and wind water-pumping system using single-screw pump Download PDFInfo
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- CN105408631A CN105408631A CN201480039710.3A CN201480039710A CN105408631A CN 105408631 A CN105408631 A CN 105408631A CN 201480039710 A CN201480039710 A CN 201480039710A CN 105408631 A CN105408631 A CN 105408631A
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- screw
- wing plate
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- wind
- accelerating chamber
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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
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
Abstract
A screw pump and a wind water-pumping system using a wind motor to drive the screw pump to pump water, and aim to provide a single-screw pump with good sealing performance, high conveying efficiency, large water outlet pressure, small inner leakage and safety in use and a wind water-pumping system with high wind energy utilization ratio, simple structure, small size and low running cost. A single-screw pump and a wind water-pumping system. The single-screw pump comprises a screw and an inner lower sealing cylinder matching the screw. Round platform shafts and the inner lower sealing cylinder are sealed by using sintered graphitic oil seals; the outer ring material of each sintered graphitic oil seal is nitrile rubber; the inner ring material of each sintered graphite oil seal is sintered graphite; lower sealing lips are in rotatable sealing contact with the side surfaces of the round platform shafts; inner sides of the inner rings of the sintered graphitic oil seals are in rotatable sealing contact with the circumference surface of a main shaft.
Description
Single Hui bars pump and the wind-driven water pumping system using single Hui bars pump
Art field
The present invention relates to a kind of positive displacement pump, the wind-driven water pumping system of more particularly to a kind of screw pump and wind motor drive screw pumping water.
Screw pump belongs to one kind of impeller pump, has advantages below compared with reciprocating pump：
(1) there is the stationarity that centrifugal pump is operated, noiseless（Only hear motor sound）, delivery port pressure hour is not required to the auxiliary devices such as effluent oil recovery device and water cooling without oil leakage phenomenon；
(2) the characteristics of there is positive displacement pump efficiency high, and displacement constant during pressure change（Constant speed）；
(3) leakage point is few, maintenance is small, maintenance cost is low, maintenance time is short.
But screw pump causes the oil product that is only used for transfer of highly viscous because of its Sealing Technology fallen behind, the efficiency comparison for conveying thin oil or water is low, liquid is easily spilt from sealing ring, and the discharge pressure of delivery port can not be too high, otherwise interior leakage increase, the safe handling of influence pump.
As a kind of cheap, reliable, without greenhouse gas emission Novel wind pumping system, the installation of wind-driven water pumping system is increased with the speed per year over 30%.Wind-driven water pumping obtains increasingly extensive application in world wide, has formed global industry of the annual value of production more than 5,000,000,000 dollars.But independently also needed to overcome many technical difficult points to be just widely applied with the small wind pumping system of water for outlying district.
Wind energy is converted to mechanical energy and drives single-screw (single screw) pump operating to draw water by wind-driven water pumping system.In a broad sense, it is a kind of using the sun as thermal source, the heat energy utilization single-screw (single screw) pump by working media of air.What wind-driven water pumping was utilized is natural energy resources, drawn water with respect to diesel oil, electricity draw water it is much better.
Existing wind turbine, which is not directly used in, to draw water, and existing wind turbine left wing plate and right wing plate cross section are shaped as concavo-convex aerofoil profile.Grope by long-term practice, the left wing plate and right wing plate of such a shape are relatively low for the utilization rate of wind energy.
The content of the invention
The purpose of the present invention be overcome disadvantages mentioned above there is provided a kind of good seal performance, transfer efficiency is high, delivery port pressure is big, interior leakage less, using a kind of single-screw (single screw) pump of safety.It is a further object to provide a kind of wind energy utilization is high, simple in construction, the wind-driven water pumping system that small volume, operating cost are low.
A kind of single-screw (single screw) pump of the present invention include screw rod and and interior lower seal cylinder, screw rod is fitted in interior lower seal cylinder.The interior lower seal cylinder is provided with water inlet and delivery port.The screw rod top is sequentially provided with the round platform axis and main shaft being formed integrally with it, screw rod, round platform axis, main shaft constitutes screw shaft, outer screw diameter is more than or equal to round platform axis lower end diameter, round platform axis lower end diameter is more than upper end diameter, round platform axis upper end diameter is more than or equal to major axis diameter, interior lower seal cylinder upper end is provided with the interior upper seal bore being mutually fitted and fixed with by groove and boss with it, groove and the circumferential uniform screw of boss, round platform axis pass through sintering graphite oil sealing sealing with interior lower seal cylinder, sintering graphite oil sealing is made up of outer ring and the inner ring being embedded in outer ring, outer loop material is nitrile rubber, interior loop material is sintering graphite, the inner side of outer ring bottom is lower sealing lip, lower sealing lip is rotatable in sealing contact with round platform axis side, the upper sealing lip of inner ring and main shaft periphery are rotatably in sealing contact, there is gap between the inner side of the upper sealing lip of inner ring and the lower sealing lip of outer ring, prefastening force spring is fixed between interior upper seal bore and sintering graphite oil sealing.The prefastening force spring is sleeved on main shaft.
A kind of single-screw (single screw) pump of the present invention, wherein the bottom end seal of the interior lower seal cylinder is fixed with lower cover.The screw rod bottom is raised provided with screw shaft, and screw shaft is raised to be provided with lower bearing between lower cover.
A kind of single-screw (single screw) pump of the present invention, wherein also including wind turbine, driving section and supporting part.The wind turbine includes lower flat board, left wing plate, middle wing plate, right wing plate and upper flat plate.The two ends of the upper flat plate and lower flat board are fixedly connected with left wing plate and right wing plate respectively, middle wing plate is fixed on the middle part of upper and lower flat board, left wing plate is identical with right wing plate shape and structure, and left wing plate and right wing plate are arranged symmetrically centered on the rotation axis of middle wing plate.The cross section of the left wing plate and right wing plate is shaped as plano-convex aerofoil profile, and the inner surface of left wing plate and right wing plate is plane.Angle Za between the vertical imaginary plane made by the middle summit line of wing plate cross section two and left wing plate inner surface is 39 ° -59 °, middle wing plate includes middle foreboard and middle back plate, the cross section of middle foreboard is arch, the cross section of middle back plate is arch, middle foreboard is identical with the planform of middle back plate, middle foreboard and middle back plate are linked to be the hollow shell that cross section is rugby shape, and the inwall of middle wing plate is inner hole wall.The inner hole wall is connected by driving section and screw shaft, the rotation axis of middle wing plate and the rotation axis of input shaft are vertical direction, the water inlet of single-screw (single screw) pump is connected with water inlet pipe, the delivery port of single-screw (single screw) pump is connected with outlet pipe, and single-screw (single screw) pump and wind turbine are fixed by support with earth's surface.
A kind of wind-driven water pumping system of the present invention, wherein top of the outlet pipe of the single-screw (single screw) pump also with an elevated tank is connected.The elevated tank is fixed by overhead with earth's surface, and elevated tank is located on the upside of single-screw (single screw) pump.
A kind of wind-driven water pumping system of the present invention, wherein the elevated tank bottom is connected with water injector by water pipe.The water injector includes jet nozzle and shower nozzle, and shower nozzle is fixed by jet nozzle with earth's surface.The water pipe is connected with shower nozzle, and water injector is multiple.A kind of wind-driven water pumping system of the present invention, wherein the support includes external seal cylinder and single screw rod pump bracket.The external seal cylinder top is provided with bearing by fixed at the top of flange and interior upper seal bore between external seal cylinder and inner hole wall, external seal cylinder bottom is fixed with bottom flange.The bottom flange axis is overlapped with external seal cylinder axis, and external seal cylinder is fixedly connected by bottom flange with single-screw (single screw) pump top of the trellis, and single screw rod pump bracket is fixed with earth's surface, and reinforcement is provided between the outer circumference surface and bottom flange of external seal cylinder.The reinforcement is uniformly distributed 8 around the axle of external seal cylinder.The driving section includes upper lid, middle cover and accelerating chamber.The accelerating chamber it is defeated
Enter axle to be fixedly connected with inner hole wall by upper lid.The input shaft of the accelerating chamber is fixedly connected with the first gear in accelerating chamber.The first gear is engaged with the second gear in accelerating chamber.The 3rd gear in the second gear and accelerating chamber is fixed in acceleration tank shell by power transmission shaft.3rd gear is engaged with the 4th gear in accelerating chamber.4th Gear axis are overlapped with screw shaft axis, and the output shaft of the 4th gear and accelerating chamber is fixedly and coaxially connected, and the output shaft of accelerating chamber is connected with spindle drive, and the input-output ratio of accelerating chamber is 1:25, accelerating chamber is fixed by accelerating chamber support tube with interior upper seal bore top.Upper lid is fixed into hollow box body with the middle cover by sleeve.The accelerating chamber is located in hollow box body, middle cover, which is located in the middle part of the upside of interior upper seal bore top flange, middle cover, is provided with through hole, and through hole is used for making accelerating chamber support tube pass through middle cover, middle cover is fixedly connected with inner hole wall, and middle cover is arranged on accelerating chamber support tube by bearing.
A kind of wind-driven water pumping system of the present invention, wherein the angle Za between the vertical imaginary plane made by the middle summit line of wing plate cross section two and left wing plate inner surface is 49 °.
A kind of wind-driven water pumping system of the present invention, wherein between the summit of wing centre section plate cross section two length L1 be left wing's front edge of board between right flank front edge of board apart from the 1/3 of L2.
A kind of wind-driven water pumping system of the present invention, wherein the long arc shape side of the left wing plate cross section is circular arc.The center of circle of the circular arc is located at the rotation axis of inner hole wall.
A kind of single-screw (single screw) pump difference from prior art of the present invention is a kind of single-screw (single screw) pump of the invention by sintering graphite oil sealing sealing, the outer ring of sintering graphite oil sealing is nitrile rubber, nitrile rubber has outstanding wearability and sealing, realizes the first resealing of sintering graphite oil sealing and screw shaft.The inner ring of sintering graphite oil sealing is sintering graphite material, and sintering graphite material can have very low surface roughness, there is good hardness again.Therefore the inner ring of sintering graphite oil sealing is contacted with the rotatable sealing of screw shaft, has both been played a part of the second resealing, has been played a part of guiding again.Prefastening force spring and sintering graphite oil sealing are clamped jointly by interior upper seal bore and interior lower seal cylinder, prefastening force spring can press sintering graphite oil sealing from top to bottom, increase the pretightning force of sintering graphite oil sealing, so as to increase the pressure of single-screw (single screw) pump delivery port, the effect of increase single-screw (single screw) pump lift is reached.And the position of interior lower seal cylinder and the contact of interior upper seal bore takes trapezoidal groove and annulus that concaveconvex shape is engaged raised, and pass through bolt and strengthen fixing.The seal degree of interior upper seal bore and interior lower seal cylinder can thus be increased, the triple seal of single-screw (single screw) pump is realized.Above-below direction has gap to ensure that lower sealing lip has enough elastic deformation spaces between sealing lip and lower sealing lip on sintering graphite oil sealing, makes the sealing of sintering graphite oil sealing stronger.
A kind of single-screw (single screw) pump of the present invention, wherein screw shaft bottom is fixed by lower bearing with lower cover, that is screw rod bottom is fixed by lower bearing with lower cover, lower cover is fixed with interior lower seal cylinder bottom, it can aid in the output shaft of accelerating chamber that screw shaft is fixed, fixed while formation at the top and bottom of screw shaft, add stability when screw shaft is rotated.
A kind of wind-driven water pumping system difference from prior art of the present invention is a kind of wind-driven water pumping system of the invention by the way that the shape of left wing plate and the cross section of right wing plate is changed into plano-convex aerofoil profile and coordinates angles, can make left wing plate inner surface produce air turbulence from inner surface inner surface flows at small end at big end when, turbulent flow is rapidly separated inner surface, makes air turbulence
Depression is formed between inner surface, wherein inner surface is minimum close to big end position air pressure.With the diverging of air turbulence, air-flow near left wing plate and right wing plate small end can flow to the relatively low inner surface of air pressure at big end from inner surface at small end, form additional air force and promote left wing plate and right wing plate, enable a kind of wind-driven water pumping system of the invention using wind energy pumping and more make full use of wind energy.And wind energy driving single-screw (single screw) pump is drawn water, and can greatly save operating cost.
A kind of wind-driven water pumping system of the present invention, wherein being stored the water that single-screw (single screw) pump is released by elevated tank, is used when conveniently needing.
A kind of wind-driven water pumping system of the present invention, being capable of irrigated farmland when needed wherein connect elevated tank and water injector by water pipe.
A kind of single-screw (single screw) pump of the present invention, wherein support makes single-screw (single screw) pump and wind turbine be fixed in earth's surface, and reinforcement can be such that external seal cylinder and single screw rod pump bracket preferably fixes, and increase the intensity and rigidity of a kind of this practical single-screw (single screw) pump.Being connected by the output shaft of accelerating chamber and the spindle drive of screw shaft for single-screw (single screw) pump, can speed up the rotary speed of screw shaft, so as to increase the speed of drawing water of single-screw (single screw) pump.And the input of accelerating chamber, output shaft are coaxial, the reduction of single-screw (single screw) pump space-consuming can be made.
A kind of wind-driven water pumping system of the present invention, angle between the vertical imaginary plane and left wing plate inner surface wherein made by the middle summit line of wing plate cross section two is 49 °, a kind of peripheral force of wind-driven water pumping system of the invention can be ensured to greatest extent, and windage when a kind of reduction wind-driven water pumping system of the invention of minimum degree rotates, this angle is the best angle of practical proof for many years.
A kind of wind-driven water pumping system of the present invention, wherein by length L1 between the middle summit of wing plate cross section two be left wing's front edge of board between right flank front edge of board apart from the 1/3 of L2, it ensure that the size disparity of above-mentioned big wind mouth and small wind mouth, make the peripheral force of wind turbine bigger, and wing plate the problem of windage is excessive when rotated in reducing as far as possible caused by wing plate is excessive in.
A kind of wind-driven water pumping system of the present invention, it is circular arc wherein by the long arc shape side of left wing plate cross section, the center of circle on long arc shape side is located at middle wing plate circle centre position, and left wing plate is identical with right wing plate structure, greatly reduces left wing plate and the right wing plate windage in rotation process.
It is described further below in conjunction with the accompanying drawings to single-screw (single screw) pump of the invention and using the wind-driven water pumping system of the single-screw (single screw) pump.
Brief description of the drawings
Fig. 1 is front view of the present invention using the wind-driven water pumping system of single-screw (single screw) pump；
Fig. 2 is the front view of single-screw (single screw) pump in Fig. 1；
Fig. 3 is the partial enlarged drawing at A in Fig. 2；
Fig. 4 is the partial enlarged drawing at B in Fig. 2；
Fig. 5 is the partial enlarged drawing at C in Fig. 2；
Fig. 6 is the top view of wind turbine in Fig. 1；
Fig. 7 is the front view of wind turbine in Fig. 1；
Fig. 8 is the axle surveys view of wind turbine in Fig. 1；
Fig. 9 is Fig. 6 center line segment length mark figures；
Figure 10 is the schematic diagram of water injector in Fig. 1.Embodiment
As shown in Fig. 1 Figure 10, referring to Fig. 1, the present invention uses the wind-driven water pumping system of single-screw (single screw) pump, including single-screw (single screw) pump 2, driving section（Referring to Fig. 3), support（Referring to Fig. 2), wind turbine 3, elevated tank 4 and water injector 5.Wind turbine 3 drives driving single-screw (single screw) pump 2 after driving section, driving section increase output speed to rotate using wind energy, and underground water 01 is pumped into elevated tank 4 by single-screw (single screw) pump 2, and elevated tank 4 is connected with water injector 5 by water pipe.Wind-driven water pumping system is fixed in earth's surface 1 by support.
As shown in Figure 2 and Figure 4, single-screw (single screw) pump 2 includes screw shaft 20, the interior sealing cylinder and sintering graphite oil sealing 202 that are made up of interior upper seal bore 221 and interior lower seal cylinder 222.
As shown in figure 4, the interior lower surface of upper seal bore 221 is provided with circular trapezoidal groove 2211, the interior upper surface of lower seal cylinder 222 is trapezoidal annulus projection 2221 provided with shaft section.Trapezoidal groove 2211 is engaged with the concaveconvex shape of annulus projection 2221, and strengthens being fixed together by circumferential uniform bolt, and screw shaft 20 is fitted in interior sealing cylinder.
As shown in Figure 2 and Figure 4, the integrative-structure that screw shaft 20 is partially fabricated by main shaft 207, round platform axis 208, screw rod 209 3 from top to bottom, the diameter of main shaft 207 is less than or equal to the upper end diameter of round platform axis 208, the upper end diameter of round platform axis 208 is less than lower end diameter, the lower end diameter of round platform axis 208 is less than or equal to the external diameter of screw rod 209, screw rod 209 is arranged in the interior lower seal cylinder 222 being matched therewith, the interior sealed bottom of lower seal cylinder 222 is fixed with lower cover 223, and interior lower seal cylinder 222 is provided with water inlet 291 and delivery port 292.
As shown in Figure 2, the water inlet 291 of water inlet pipe 91 and single-screw (single screw) pump 2 through support is connected, the delivery port 292 of single-screw (single screw) pump 2 is connected with outlet pipe 92, the water inlet 291 of single-screw (single screw) pump 2 is sucked underground water 01 by water inlet pipe 91, switching device is provided between water inlet 291 and water inlet pipe 91, switching device is used for opening, closing wind-driven water pumping system.The delivery port 292 of single-screw (single screw) pump 2 is discharged the underground water 01 of suction by outlet pipe 92.
As shown in figure 5, the bottom of screw rod 209 is provided with screw shaft projection 200.Lower bearing 204 is installed between screw shaft projection 200 and lower cover 223.
As shown in figure 4, being sealed between the interior top of lower seal cylinder 222 and round platform axis 208 by sintering graphite oil sealing 202.Sintering graphite oil sealing 202 is made up of outer ring and the inner ring being embedded in outer ring.Outer loop material is nitrile rubber, and interior loop material is sintering graphite.The inner side of outer ring bottom is lower sealing lip 2021.Lower sealing lip 2021 is rotatable in sealing contact with the side of round platform axis 208, and the inner side of inner ring is upper sealing lip 2022, and upper sealing lip 2022 and the periphery of main shaft 207 are rotatably in sealing contact, upper sealing
There is gap between the inner of lip 2022 and the lower sealing lip 2021 of outer ring.
As shown in figure 4, the prefastening force spring 201 made of stainless steel is sleeved on the main shaft 207 of screw shaft 20, prefastening force spring 201 is fixed between interior upper seal bore 221 and sintering graphite oil sealing 202.
As shown in Fig. 6 Fig. 8, wind turbine 3 includes lower flat board 34, left wing plate 32, middle wing plate 31, right wing plate 33 and upper flat plate 35.The two ends of upper flat plate 35 and lower flat board 34 are fixedly connected with left wing plate 32 and right wing plate 33 respectively, and middle wing plate 31 is fixed on the middle part of upper and lower flat board 35 34.
As shown in Figure 6, middle wing plate 31 includes middle foreboard 311 and middle back plate 312, the cross section of middle foreboard 311 is arch, the cross section of middle back plate 312 is arch, middle foreboard 311 is identical with the planform of middle back plate 312, middle foreboard 311 and middle back plate 312 are linked to be the hollow shell that cross section is rugby shape, and the inwall of middle wing plate 31 is inner hole wall 310.The lower middle part of flat board 34 is provided with through hole.Through hole is identical with the internal diameter of inner hole wall 310, and left wing plate 32 is identical with the shape and structure of right wing plate 33, and left wing plate 32 and right wing plate 33 are arranged symmetrically centered on the rotation axis of middle wing plate 31.The cross section of left wing plate 32 and right wing plate 33 is shaped as plano-convex aerofoil profile, and the inner surface of left wing plate 32 and right wing plate 33 is plane.
As shown in fig. 6, the angle Za between the vertical imaginary plane and the inner surface of left wing plate 32 made by the middle summit line of 31 cross section of wing plate two is 39 ° ~ 59 °, preferably 49 °
To follow rational control variate method, now by middle wing plate is high 2.3 meters, 3.4 meters of the left and right wing plate minimum distance background technology wind-driven generator being made up of aluminum alloy materials wind turbine, be 39 ° new solution wind turbine, be 59 ° new solution wind turbine, be that 49 ° of the wind turbine of new solution is placed on single-screw (single screw) pump of the present invention, the volume of single-screw (single screw) pump screw rod encloses for 56ml/, and the number of turns of screw rod is 10 circles.Wind turbine is placed under conditions of identical wind speed, temperature, humidity, air pressure and carries out the efficiency test that draws water that lift is 20m.Gained generated output data are the average value after measuring ten times.
As shown in figure 9, between the middle summit of 31 cross section of wing plate two length L1 be the front end of left wing plate 32 between the front end of right wing plate 33 apart from the 1/3 of L2
As shown in fig. 6, the long arc shape side 321 of the cross section of left wing plate 32 is circular arc.The center of circle of circular arc is located at the axis of inner hole wall 310.
As shown in Figures 2 and 3, driving section includes upper lid 231, middle cover 232 and accelerating chamber 21.Upper lid 231 is fixedly connected with the middle part of inner hole wall 310, and the input shaft 210 of upper lid 231 and accelerating chamber 21 is fixed by first flange 212, and the input shaft 210 of accelerating chamber 21 is fixedly connected with the first gear 213 in accelerating chamber 21.First gear 213 is engaged with the second gear 214 in accelerating chamber 21, and the 3rd gear 215 in second gear 214 and accelerating chamber 21 is all fixed in acceleration tank shell 211 by power transmission shaft 218.3rd gear 215 is engaged with the 4th gear 216 in accelerating chamber 21.The axis of 4th gear 216 is overlapped with the axis of screw shaft 20, and the output shaft 217 of the 4th gear 216 and accelerating chamber 21 is fixedly and coaxially connected.The output shaft 217 of accelerating chamber 21 is fixedly connected with screw shaft 20, and the input-output ratio of accelerating chamber 21 is 1:25.
As shown in figure 3, accelerating the lower end of tank shell 211 to be fixedly connected with the upper end of accelerating chamber support tube 233, the bottom of accelerating chamber support tube 233 is bolted to connection with the interior top of upper seal bore 221.Accelerating chamber support tube 233 is sleeved on main shaft 207, and is locked with several along the equally distributed bolt in the interior top of upper seal bore 221.The interior top of upper seal bore 221 is fixedly connected with support by flange.
As shown in figure 3, upper lid 231 is fixed into hollow box body with middle cover 232 by sleeve 230, accelerating chamber 21 is located in hollow box body, and middle cover 232 is located at the upside of the interior top flange of upper seal bore 221.The middle part of middle cover 232 is provided with through hole, and through hole is used for making accelerating chamber support tube 233 pass through middle cover 232, and middle cover 232 is fixedly connected with inner hole wall 310, and middle cover 232 is arranged on accelerating chamber support tube 233 by bearing.
As shown in Fig. 2 support includes external seal cylinder 24 and single screw rod pump bracket 11, external seal cylinder 24 is fixed by single screw rod pump bracket 11 with earth's surface 1, and bearing is provided between external seal cylinder 24 and inner hole wall 310.
As shown in Fig. 2 24 bottoms of external seal cylinder are fixed with bottom flange 241.The axis of bottom flange 241 is overlapped with external seal 24 axis of cylinder, and external seal cylinder 24 is fixedly connected by bottom flange 241 with the top of single screw rod pump bracket 11, and reinforcement 25 is provided between the outer circumference surface and bottom flange 241 of external seal cylinder 24.Reinforcement 25 is uniformly distributed 8 around the axis of external seal cylinder 24.
As shown in figure 1, the delivery port 292 of single-screw (single screw) pump 2 is connected by outlet pipe 92 with the top of elevated tank 4.Elevated tank 4 is fixed by overhead 12 with earth's surface 1, and elevated tank 4 is located at the upside of single-screw (single screw) pump 2.
As shown in Fig. 1 and Figure 10, the bottom of elevated tank 4 is connected with water injector 5 by water pipe.Water injector 5 includes jet nozzle 52 and shower nozzle 51, and shower nozzle 51 is fixed by jet nozzle 52 with earth's surface 1.Water pipe is connected with shower nozzle 51, and water injector 5 is multiple.When single-screw (single screw) pump 2 is installed, as shown in Figure 1, first, interior lower seal cylinder 222 is sleeved on screw shaft 20, lower bearing 204 on lower cover 223 is sleeved in screw shaft projection 200, screw shaft 20 is adjusted with being fixedly connected with lower cover 223 with the interior bottom of lower seal cylinder 222 after the axiality of interior lower seal cylinder 222.Secondly, sintering graphite oil sealing 202 and prefastening force spring 201 are sleeved on the periphery of screw shaft 20 successively.Finally, interior upper seal bore 221 is fixed in interior lower seal cylinder 222, realizes the effect that interior upper seal bore 221 and interior lower seal cylinder 222 compress prefastening force spring 201 and sintering graphite oil sealing 202.
In the rotary course of wind turbine 3, as shown in Figure 6, the cross section of left wing plate 32 and right wing plate 33 is shaped as plano-convex aerofoil profile and coordinates angles, can make the inner surface of left wing plate 32 produce air turbulence from inner surface inner surface flows at small end at big end when, turbulent flow is rapidly separated inner surface, make to form depression between air turbulence and inner surface, wherein inner surface is minimum close to big end position air pressure.With the diverging of air turbulence, air-flow near left wing plate 32 and the small end of right wing plate 33 can flow to the relatively low inner surface of air pressure at big end from inner surface at small end, form additional air force and promote left wing plate and right wing plate, a kind of wind-driven water pumping system of the invention is more made full use of wind energy.
When using, wing plate 31 rotates during wind turbine 3 is driven using wind energy, middle wing plate 31 drives screw shaft 20 to rotate by upper lid 231, accelerating chamber 21, single-screw (single screw) pump 2 pumps to underground water 01 in elevated tank 4, elevated tank 4 can store the unnecessary underground water 01 of the extraction of wind-force peak time single-screw (single screw) pump 2, and for people to use when needing or cooperation water injector 5 is irrigated.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; on the premise of present invention design Jing Zhong are not departed from; in various modifications and improvement that those of ordinary skill in the art make to technical scheme, the protection domain that claims of the present invention determination all should be fallen into.Industrial applicibility
Single-screw (single screw) pump of the present invention and there is significant impact for field of water pumping particularly wind-driven water pumping field using the wind-driven water pumping system of the single-screw (single screw) pump.Single-screw (single screw) pump of the present invention and the wind-driven water pumping system of the single-screw (single screw) pump is used make it that wind-driven water pumping system is high to wind energy utilization, Sealing Performance of Single Progressive Cavity Pump is good.Examined by specific experiment, single-screw (single screw) pump of the present invention and the efficiency of drawing water using the wind-driven water pumping system of the single-screw (single screw) pump are compared compared with background technology and significantly improved, and can be supplied water for more users.The wind-driven water pumping system of single-screw (single screw) pump of the present invention and the use single-screw (single screw) pump is with very strong industrial applicibility and operability, for making full use of the wind energy and water resource of the Nature significant.
Claims (1)
1st, a kind of single-screw (single screw) pump includes screw rod（209) and and interior lower seal cylinder（222), screw rod（209) it is fitted in interior lower seal cylinder（222) in, the interior lower seal cylinder（222) it is provided with water inlet（And delivery port 291)（292), it is characterised in that：The screw rod（209) top is sequentially provided with the round platform axis being formed integrally with it（And main shaft 208)（207), screw rod（209), round platform axis（208), main shaft（207) screw shaft is constituted（20), screw rod（209) external diameter is more than or equal to round platform axis（208) lower end diameter, round platform axis（208) lower end diameter is more than upper end diameter, round platform axis（208) upper end diameter is more than or equal to main shaft（207) diameter, interior lower seal cylinder（222) upper end is provided with the interior upper seal bore being mutually fitted and fixed with by groove and boss with it（221), groove and the circumferential uniform screw of boss, round platform axis（208) with interior lower seal cylinder（222) sintering graphite oil sealing is passed through（202) seal,
Sintering graphite oil sealing（202) it is made up of outer ring and the inner ring being embedded in outer ring, outer loop material is nitrile rubber, interior loop material is sintering graphite, and the inner side of outer ring bottom is lower sealing lip（2021), lower sealing lip（And round platform axis 2021)（208) rotatable in sealing contact, the upper sealing lip of inner ring in side（And main shaft 2022)（207) periphery is rotatably in sealing contact, the upper sealing lip of inner ring（2022) inner side and the lower sealing lip of outer ring（2021) there is gap between,
Interior upper seal bore（221) with sintering graphite oil sealing（202) prefastening force spring is fixed between（201), the prefastening force spring（201) it is sleeved on main shaft（207) on.
2nd, a kind of single-screw (single screw) pump according to claim 1, it is characterised in that：The interior lower seal cylinder（222) bottom end seal is fixed with lower cover（223), the screw rod（209) bottom is raised provided with screw shaft（200), screw shaft is raised（200) lower bearing is installed between lower cover (223)（204).
3rd, the wind-driven water pumping system of the single-screw (single screw) pump described in any one of claim 1 or 2 is utilized, it is characterised in that：Also include wind turbine（3), driving section and supporting part, the wind turbine（3) lower flat board is included（34), left wing plate（32), middle wing plate（31), right wing plate（And upper flat plate 33)（35), the upper flat plate（35) with lower flat board（34) two ends respectively with left wing plate（And right wing plate 32)（33) it is fixedly connected, middle wing plate（31) it is fixed on upper and lower flat board（35th, middle part 34), left wing plate（And right wing plate 32)（33) shape and structure is identical, left wing plate（And right wing plate 32)（33) with middle wing plate（31) it is arranged symmetrically centered on rotation axis, the left wing plate（And right wing plate 32)（33) cross section is shaped as plano-convex aerofoil profile, left wing plate
And right wing plate (32)（33) inner surface is plane, described to pass through middle wing plate（31) the vertical imaginary plane and left wing plate that the summit line of cross section two is made（32) angle between inner surface is 39 ° -59 °, middle wing plate（31) middle foreboard is included
And middle back plate (311)（312), middle foreboard（311) cross section is arch, middle back plate（312) cross section is arch, middle foreboard（311) with middle back plate（312) planform is identical, middle foreboard（311) with middle back plate（312) it is linked to be the hollow shell that cross section is rugby shape, middle wing plate（31) inwall is inner hole wall（310), the inner hole wall（310) driving section and screw shaft are passed through（20) it is connected, middle wing plate（31) rotation axis and input shaft（210) rotation axis is equal
For vertical direction, single-screw (single screw) pump（2) water inlet（291) it is connected with water inlet pipe（91), single-screw (single screw) pump（2) delivery port (292) is connected with outlet pipe（92), single-screw (single screw) pump（And wind turbine 2)（3) support and earth's surface are passed through（1) it is fixed.
4th, a kind of wind-driven water pumping system according to claim 3, it is characterised in that：The single-screw (single screw) pump（2) outlet pipe（92) also with an elevated tank（4) top connection, the elevated tank（4) by overhead（And earth's surface 12)（1) it is fixed, elevated tank（4) it is located at single-screw (single screw) pump（2) upside.
5th, a kind of wind-driven water pumping system according to claim 4, it is characterised in that：The elevated tank（4) bottom is connected with water injector by water pipe（5), the water injector（5) jet nozzle is included（And shower nozzle 52)（51), shower nozzle（51) jet nozzle is passed through（And earth's surface 52)（1) it is fixed, the water pipe and shower nozzle（51) connect, water injector（5) to be multiple.
6th, a kind of wind-driven water pumping system according to claim 5, it is characterised in that:The support includes external seal cylinder (24) and single screw rod pump bracket（11), the external seal cylinder（24) top passes through flange and interior upper seal bore（221) top is fixed, external seal cylinder（And inner hole wall 24)（310) bearing, external seal cylinder are installed between（24) bottom is fixed with bottom flange（241), the bottom flange（241) axis and external seal cylinder（24) axis is overlapped, external seal cylinder（24) bottom flange is passed through（241) with single screw rod pump bracket（11) top is fixedly connected, single screw rod pump bracket（And earth's surface 11)（1) it is fixed, external seal cylinder（24) outer circumference surface and bottom flange（241) reinforcement is provided between（25), the reinforcement（25) around external seal cylinder（24) axle is uniformly distributed 8,
The driving section includes upper lid（231), middle cover（And accelerating chamber 232)（21), the accelerating chamber（21) input shaft (210) passes through upper lid（And inner hole wall 231)（310) it is fixedly connected, the accelerating chamber（21) input shaft（And accelerating chamber 210)（21) first gear in（213) it is fixedly connected, the first gear（And accelerating chamber 213)（21) second gear in（214) engage, the second gear（And accelerating chamber 214)（21) the 3rd gear in（215) acceleration tank shell is fixed on by power transmission shaft (218)（211) in, the 3rd gear（And accelerating chamber 215)（21) the 4th gear in（216) engage, the 4th gear（216) axis and screw shaft（20) axis is overlapped, the 4th gear（And accelerating chamber 216)（21) output shaft（217) it is fixedly and coaxially connected, accelerating chamber（21) output shaft（And main shaft 217)（207) it is connected, accelerating chamber（21) input-output ratio is 1:25, accelerating chamber（21) accelerating chamber support tube is passed through（233) with interior upper seal bore（221) top is fixed, upper lid（231) with the middle cover（232) sleeve is passed through（230) hollow box body, the accelerating chamber are fixed into（21) it is located in hollow box body, middle cover（232) it is located at interior upper seal bore（221) upside of top flange, middle cover（232) middle part is provided with through hole, and through hole is used for making accelerating chamber support tube（233) middle cover is passed through（232), middle cover（And inner hole wall 232)（310) it is fixedly connected, middle cover（232) accelerating chamber support tube is arranged on by bearing（233) on.
7th, a kind of wind-driven water pumping system according to claim 6, it is characterised in that：It is described to pass through middle wing plate（31) the vertical imaginary plane and left wing plate that the summit line of cross section two is made（32) angle between inner surface is 49 °.
8th, a kind of wind-driven water pumping system according to claim 7, it is characterised in that：The middle wing plate（31) length between the summit of cross section two（L1) it is left wing plate（32) front end is to right wing plate（33) distance between front end（L2) 1/3.
9th, a kind of wind-driven water pumping system according to claim 8, it is characterised in that：The left wing plate（32) the long arc shape side of cross section（321) it is circular arc, the center of circle of the circular arc is located at inner hole wall（310) at rotation axis.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/077636 WO2015172371A1 (en) | 2014-05-16 | 2014-05-16 | Single-screw pump and wind water-pumping system using single-screw pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105408631A true CN105408631A (en) | 2016-03-16 |
| CN105408631B CN105408631B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201480039710.3A Active CN105408631B (en) | 2014-05-16 | 2014-05-16 | Single-screw (single screw) pump and the wind-driven water pumping system using the single-screw (single screw) pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105408631B (en) |
| WO (1) | WO2015172371A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701373A (en) * | 2017-10-18 | 2018-02-16 | 河海大学 | A pumped water storage device driven by a vertical axis wind wheel |
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| DE29812846U1 (en) * | 1998-03-28 | 1998-10-29 | seepex Seeberger GmbH + Co., 46240 Bottrop | Eccentric screw pump |
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| CN1233714A (en) * | 1998-03-28 | 1999-11-03 | 泽贝格有限公司 | Eccentric screw bolt pump |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015172371A1 (en) | 2015-11-19 |
| CN105408631B (en) | 2017-10-13 |
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