CN109197740B - Water pumping impeller type aerator - Google Patents

Water pumping impeller type aerator Download PDF

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Publication number
CN109197740B
CN109197740B CN201710675603.5A CN201710675603A CN109197740B CN 109197740 B CN109197740 B CN 109197740B CN 201710675603 A CN201710675603 A CN 201710675603A CN 109197740 B CN109197740 B CN 109197740B
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CN
China
Prior art keywords
impeller
blade
water
floating body
output shaft
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CN201710675603.5A
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Chinese (zh)
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CN109197740A (en
Inventor
吴为国
吴夏清
王慧萍
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Zhejiang Fudi Machinery Co ltd
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Zhejiang Fudi Machinery Co ltd
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Priority to CN202110494505.8A priority Critical patent/CN113207794B/en
Publication of CN109197740A publication Critical patent/CN109197740A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention relates to a water pumping impeller type aerator which mainly comprises a motor, a reduction gearbox, an impeller, a support rod and a floating body, wherein the motor is vertically arranged on the reduction gearbox, an output shaft after speed reduction extends downwards, the output shaft can be provided with a flange connected with the impeller, and a water body is pumped up when the impeller rotates; the impeller comprises a circular impeller body and a plurality of blades, a plurality of water passing holes or water passing grooves are formed in the blades, a supporting plate is arranged on the back face of the upper end of each blade, and a reflecting plate for scattering water passing through the water passing holes or the water passing grooves is arranged below the supporting plate.

Description

Water pumping impeller type aerator
Technical Field
The invention relates to an aerator, in particular to a water pumping impeller type aerator, belonging to aquaculture machinery.
Background
The aerator is a device for saving and promoting the life of fishes and shrimps in aquaculture. The existing mechanical oxygen increasing machine mainly comprises a waterwheel type oxygen increasing machine, wherein an impeller shaft is horizontally arranged and can be called as a horizontal oxygen increasing machine, the impeller shaft of the impeller type oxygen increasing machine and the like is vertically designed and can be called as a vertical oxygen increasing machine, the existing vertical oxygen increasing machine generally adopts a motor to rotate through a speed reducing belt to drive an impeller, the impeller is a cone, the cone impeller drives a water body, and the generated water bloom does not influence the oxygen increasing effect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a water-lifting impeller type aerator which has high and scattered water bloom during working and improves the aeration effect.
The purpose of the invention is realized as follows:
a water pumping impeller type aerator mainly comprises a motor, a reduction gearbox, an impeller, a support rod and a floating body, wherein the motor is arranged on the reduction gearbox, an output shaft after reduction extends downwards, the output shaft is connected with the impeller, three connecting seats which are basically and uniformly distributed are arranged on the outer side of the reduction gearbox, one end of the support rod is fixed on the connecting seats, and the other end of the support rod is connected with the floating body; the impeller comprises a circular impeller body and a plurality of blades, a plurality of water passing holes or water passing grooves are formed in the blades, a supporting plate is arranged on the back face of the upper end of each blade, and a reflecting plate for scattering water passing through the water passing holes or the water passing grooves is arranged below the supporting plate.
The annular impeller body is provided with a connecting plate with a concave middle part, the middle part of the connecting plate is provided with a connecting position connected with an output shaft flange, and the impeller is integrally formed by injection molding.
And a recess matched with the appearance of the flange is arranged at the connecting position of the impeller, and a connecting hole connected with the flange is arranged in the recess.
The floating body comprises a drainage part generating buoyancy and a fixed part connected with the supporting rod, the fixed part is cylindrical and is arranged at the upper part of the drainage part, and the drainage part is a square body which is round or has smooth transition; a boss is arranged between the cylindrical fixing part and the drainage part, the other end of the supporting rod is provided with a fixing ring, and the fixing ring is sleeved outside the cylindrical fixing part and fixed by a plastic threaded cover.
The reduction box mainly comprises: the motor comprises a box body, an upper cover, a reduction gear, a bearing and an output shaft, wherein the upper cover and a lower end cover of a motor are arranged into a whole; the output shaft extends out after being sealed, the output end of the output shaft is provided with a flange, and the connecting position of the flange and the impeller is fastened by bolts.
The flange is triangular, three corners of the triangle are in smooth transition, a concave cavity matched with the shape of the flange is arranged at the concave part of the connecting position of the impeller, the concave cavity is also triangular, and at least three connecting holes capable of passing through bolts are formed in the triangle.
The reflecting plate and the supporting plate are connected together to form an obtuse angle structure, and the supporting plate is basically horizontally arranged on the back of the blade.
A hollow central floating body or a central floating body made of light materials is arranged in the circular ring-shaped impeller body of the impeller.
The circular ring-shaped impeller body is internally provided with a connecting position with the hollow central floating body, and the hollow central floating body can be fixed in the circular ring-shaped impeller body by a screw for blow molding.
The outer side of the blade is provided with a reinforcing plate, and the upper end of the reinforcing plate is connected with the supporting plate.
Compared with the prior art, the invention has the outstanding advantages that:
the water bloom raised during the work is high, the water bloom is fine and scattered, the oxygen increasing effect is improved, and the impeller of the oxygen increasing machine is integrally formed by one-time injection molding, so that the mass production is facilitated.
Drawings
FIG. 1 is a schematic view of a water impeller aerator of the present invention;
FIG. 2 is a schematic view of the structure of the motor and reduction box of the present invention;
FIG. 3 is a perspective view of the impeller of the present invention;
FIG. 4 is a perspective view of the impeller of the present invention;
FIG. 5 is a perspective view of the impeller of the present invention;
FIG. 6 is an indication of the depth of penetration provided on the impeller of the present invention;
FIG. 7 is a schematic sectional view of a blade of the impeller of the present invention;
FIG. 8 is a schematic view of the impeller and hollow central float assembly of the present invention;
FIG. 9 is a perspective view of the hollow central float of the present invention;
FIG. 10 is a perspective view of the float and plastic threaded cover of the present invention;
FIG. 11 is a schematic view of the assembly of the support rod and float of the present invention;
FIG. 12 is a perspective view of the float of the present invention;
figure 13 is a perspective view of the float of the present invention;
FIG. 14 is a schematic view of the support rod and float assembly of the present invention;
FIG. 15 is a schematic view of the assembly of the support rod and float of the present invention;
FIG. 16 is a schematic view of the support rod and retainer ring assembly of the present invention;
fig. 17 is a perspective view of the support bar of the present invention.
In the figure, 1-a motor; 2-a reduction gearbox; 3-an impeller; 4-a support bar; 5-a floating body; 6-the fixation site; 7-drainage position; 8-boss; 9-a flange; 10-a stationary ring; 11-plastic screw caps; 12-a circular impeller body; 13-a blade; 14-an upper blade section; 15-lower blade section; 16-passing through a water tank; 17-water through holes; 18-a connecting plate; 19-a reflector plate; 20-reinforcing strips; 21-a junction bit; 22-a recess; 23-a connection hole; 24-a via hole; 25-an indicator mark; 26-a hollow central float; 27-a screw; 28-connecting hole; 29-motor shaft; 30-a box body; 31-a drive gear; 32-primary driven gear; 33-shaft gear; 34-a secondary driven gear; 35-an output shaft; 36-a sealed chamber; 37-a through hole; 38-well; 39-large through hole; 40-small through holes; 41-a waterproof cover; 42-bottom plane; 43-a support plate; 44-a linking bit; 45-connecting hole; 46-upper cover; 47-a through hole; 48-connecting seat.
Detailed Description
The invention is further described in the following with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-17:
a water pumping impeller type aerator mainly comprises a motor 1, a reduction gearbox 2, an impeller 3, a support rod 4 and a floating body 5, wherein the motor 1 is vertically arranged on the reduction gearbox 2, a decelerated output shaft 35 extends downwards, the output shaft 35 can be provided with a flange 9 connected with the impeller 3, three connecting seats 48 which are basically and uniformly distributed are arranged on the outer side of the reduction gearbox 2, holes 38 are formed in the connecting seats 48, the support rod 4 is fixed in the holes 38, and a box body 30 and the connecting seats 48 can be assembled into a whole after being processed in a split mode; the support rod 4 is formed by combining a steel pipe and a fixing ring 10; the impeller 3 comprises a circular impeller body 12 and a plurality of blades 13, a plurality of water passing holes 17 or water passing grooves 16 are formed in the blades 13, the blades 13 and the circular impeller body 12 are arranged into a whole, the blades 13 have the function of raising a water body under the action of an inclined plane when the impeller 3 rotates, and the water passing holes 17 and the water passing grooves 16 formed in the blades 13 are used for enabling a part of water body to be more scattered from the water passing holes 17 or the water passing grooves 16 through impact with a reflecting plate 19 arranged behind the blades 13 so as to effectively improve the oxygen increasing effect; the provision of the reflection plate 19 together with the support plate 43 on the back of the upper end of the blade 13 increases the strength of the blade 13. The outer side of the blade 13 may be provided with a reinforcing strip 20 to increase the strength of the blade.
The blades 13 can be divided into upper blade sections 14 and lower blade sections 15, the lower blade sections 15 are basically underwater, the upper blade sections 14 are basically on water, the aerator does not work and floats on the water, when the output shaft is basically vertical, the included angle alpha between the lower blade sections 15 and the bottom plane of the circular ring-shaped impeller body 12 is smaller than the included angle alpha 1 between the upper blade sections 14 and the bottom plane of the circular ring-shaped impeller body 12, and the lower blade sections 15 and the upper blade sections 14 are in smooth transition.
The impeller 3 can be provided with an indication mark 25 of the depth of water penetration, the power required by the impeller 3 working at the position of the indication mark of the depth of water penetration is matched with the power of the motor, and the depth of water penetration of the impeller can be adjusted by a method for adjusting the floating height of the floating body.
The circular impeller body 12 of the impeller is provided with a concave connecting plate 18 in the middle, the middle of the connecting plate 18 is provided with a connecting position 21 connected with a flange of an output shaft, the connecting position 21 is arranged at a concave part in the middle of the connecting plate, and the impeller is integrally formed by injection molding.
The connecting position 21 of the impeller is provided with a recess 22 matched with the shape of the flange 9, a connecting hole 23 matched with the flange 9 is arranged in the recess 22, an inner hole of the flange 9 is connected with an output shaft 35, and the flange 9 is arranged in the recess 22 and fastened by bolts.
The floating body 5 consists of a drainage part 7 generating buoyancy and a fixing part 6 connected with the support rod 4, the fixing part 6 is cylindrical and is arranged at the upper part of the drainage part 7, the drainage part 7 is a round body or a square body with smooth transition, the bottom of the drainage part 7 is smaller, the upper part of the drainage part is larger, and the floating body 5 is formed by blow molding. A boss 8 is arranged between the cylindrical fixing part 6 and the drainage part 7, the other end of the support rod 4 is provided with a fixed ring 10 of a floating body, the fixed ring 10 of the floating body is arranged on the boss 8, and the fixed ring 10 of the floating body is sleeved outside the cylindrical fixing part and fixed by a plastic threaded cover 11.
The boss 8 is arranged between the cylindrical fixing part 6 and the water drainage part 7, the height of the boss 8 directly influences the water inlet depth of the impeller, and the water inlet depth of the impeller influences the load of the aerator and the power of the motor.
The support rod 4 can be arranged on a connecting seat 48 which is basically and uniformly distributed on the outer side of the reduction gearbox 2, the support rod 4 is made of a metal pipe, a positioning hole which is intersected with the hole 38 can be arranged on the connecting seat 48, a large through hole 39 is arranged on one side of the positioning hole, a small through hole 40 is arranged on the other side of the positioning hole, one end of the steel pipe is arranged in the hole and is fastened by an inner hexagon screw, the head of the inner hexagon screw enters the large through hole 39 to enable the steel pipe to deform under the action of a nut, two sides of the deformed steel pipe are tightly attached to the hole 38 of the connecting seat, the support rod 4 is fastened with the connecting seat 48. The other end of the support rod 4 is connected with a fixed ring 10 and is fastened by a bolt, and the fixed ring 10 is used for fixing the floating body 5; or the other end of the support rod 4 is arranged into a hollow pipe with a non-circular section, such as a square hollow pipe, the side surface of the square hollow pipe is provided with a through hole 47 for fixing the bolt of the floating body 5, the floating body 5 is provided with a connecting position matched with the non-circular pipe, and the support rod 4 and the floating body can be directly connected by the bolt without a fixing ring. The non-circular pipe can be formed by local pressing of a circular pipe.
The reduction box mainly comprises: the motor comprises a box body 30, an upper cover, a reduction gear, a bearing and an output shaft 35, wherein the upper cover and a lower end cover of a motor are arranged into a whole, the box body and the upper cover are fastened and sealed by bolts, a driving gear 31 of a transmission gear is arranged on a motor shaft 29, the driving gear 31 drives a primary driven gear 32, the primary driven gear 32 is arranged on a shaft gear 33, the shaft gear 33 drives a secondary driven gear 34, a sealing chamber 36 is arranged at the lower end of the box body 30, an oil seal or a mechanical seal is arranged in the sealing chamber 36, and the output shaft 35 extends out after; the output end of the output shaft 35 is provided with a flange 9, and the connecting position of the flange 9 and the impeller 3 is fastened by bolts.
The flange 9 can be designed into a triangle, three corners of the triangle are in smooth transition, a concave cavity 22 matched with the appearance of the flange is arranged at the concave part of the connecting position of the impeller 3, the concave cavity 22 can also be designed into a triangle, three through holes 37 capable of passing through bolts are arranged on the triangle, and through holes for passing water are arranged on the concave cavity.
The reflecting plate 19 and the supporting plate 43 are connected together to form an obtuse angle structure, the supporting plate 43 is basically horizontally arranged on the back surface of the blade 13, and one side of the supporting plate 43 is connected with the blade 13 while the other side is connected with the reflecting plate 19.
A hollow central floating body 26 or a central floating body made of light materials is arranged in the circular ring-shaped impeller body 12 of the impeller, and the hollow central floating body 26 can be formed by blow molding. The hollow central floating body formed by blow molding can not leak water, the buoyancy of the impeller body can be improved, and the bearing capacity of the supporting rod and the volume of the floating body 5 can be reduced.
The circular ring-shaped impeller body 12 is internally provided with a connecting position with a hollow central floating body 26, and the hollow central floating body 26 can be fixed in the circular ring-shaped impeller body 12 by a screw 27 for blow molding. The hollow central float 26 may be configured such that the upper portion substantially fits within the annular impeller body 12 and the lower portion protrudes beyond the annular impeller body to further increase the buoyancy and reduce the bearing capacity of the support rods and float.
The outer side of the blade 13 can be provided with a reinforcing strip 20, the upper end of the reinforcing strip 20 is connected with the supporting plate 43, and the reinforcing strip 20 can increase the strength of the blade and improve the water pumping capacity.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (5)

1. A water pumping impeller type aerator mainly comprises a motor, a reduction gearbox, an impeller, a support rod and a floating body, and is characterized in that the motor is arranged on the reduction gearbox, an output shaft after speed reduction extends downwards, the output shaft is connected with the impeller, the support rod is arranged on three basically and uniformly distributed connecting seats outside the reduction gearbox, the support rod is made of a metal pipe, a positioning hole intersected with a hole (38) is arranged on the connecting seat, a large through hole is arranged on one side of the positioning hole, a small through hole is arranged on the other side of the positioning hole, one end of a steel pipe is arranged in the hole and is fastened by an inner hexagon screw, the head of the inner hexagon screw enters the large through hole to enable the steel pipe to deform under the action of a nut, and two sides of the deformed steel pipe are tightly; or the other end of the supporting rod is set into a square hollow pipe with a cross section, the side surface of the square hollow pipe is provided with a through hole for fixing a bolt of the floating body, the floating body is provided with a connecting position matched with the square pipe, and the supporting rod and the floating body are directly connected by the bolt without a fixing ring; the impeller comprises an annular impeller body and a plurality of blades, the blades are divided into an upper blade section and a lower blade section, the lower blade section is basically underwater, the upper blade section is basically on water, the aerator does not work and floats on the water, when the output shaft is basically vertical, the included angle alpha between the lower section of the blade and the bottom plane of the circular ring-shaped impeller body is smaller than the included angle alpha 1 between the upper section of the blade and the bottom plane of the circular ring-shaped impeller body, the lower section of the blade and the upper section of the blade are in smooth transition, a plurality of water passing holes or water passing grooves are arranged on the blade, a supporting plate is arranged on the back of the upper end of the blade, a reflecting plate for scattering water passing through the water passing holes or the water passing grooves is arranged below the supporting plate, the reflecting plate and the supporting plate are connected together to form an obtuse angle structure which can enable the scattered water body to be reflected downwards, the supporting plate is basically horizontally arranged on the back of the blade, the outer side of the blade is provided with a reinforcing plate, and the upper end of the reinforcing plate is connected with the supporting plate; the circular impeller body is provided with a connecting plate with a concave middle part, the middle part of the connecting plate is provided with a connecting position connected with an output shaft flange, and the impeller is integrally formed by injection molding; and a recess matched with the appearance of the flange is arranged at the connecting position of the impeller, and a connecting hole connected with the flange is arranged in the recess.
2. A water impeller type oxygen increasing machine according to claim 1, characterized in that: the floating body comprises a drainage part generating buoyancy and a fixed part connected with the supporting rod, the fixed part is cylindrical and is arranged at the upper part of the drainage part, and the drainage part is a square body which is round or has smooth transition; a boss is arranged between the cylindrical fixing part and the drainage part, the other end of the supporting rod is provided with a fixing ring, and the fixing ring is sleeved outside the cylindrical fixing part and fixed by a plastic threaded cover.
3. A water impeller type oxygen increasing machine according to claim 1, characterized in that: the reduction box mainly comprises: the motor comprises a box body, an upper cover, a reduction gear, a bearing and an output shaft, wherein the upper cover and a lower end cover of a motor are arranged into a whole; the output shaft extends out after being sealed, the output end of the output shaft is provided with a flange, and the connecting position of the flange and the impeller is fastened by bolts.
4. A water impeller type oxygen increasing machine according to claim 1, characterized in that: a hollow central floating body or a central floating body made of light materials is arranged in the circular ring-shaped impeller body of the impeller.
5. A pumping impeller type aerator as claimed in claim 4, wherein: the circular impeller body is internally provided with a connecting position with the hollow central floating body, and the hollow central floating body is fixed in the circular impeller body by a screw for blow molding.
CN201710675603.5A 2017-06-29 2017-08-09 Water pumping impeller type aerator Active CN109197740B (en)

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CN202110494505.8A CN113207794B (en) 2017-06-29 2017-08-09 Water pumping impeller with central floating body and impeller type aerator

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CN201710512938 2017-06-29
CN2017105129385 2017-06-29

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CN109197740B true CN109197740B (en) 2021-07-02

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111972346B (en) * 2019-05-21 2023-03-24 浙江富地机械有限公司 Impeller type aerator
CN111972345B (en) * 2019-05-21 2023-07-04 浙江富地机械有限公司 Floating body of aerator and impeller aerator with floating body
CN112385602B (en) * 2019-08-12 2023-01-13 浙江富地机械有限公司 Impeller type aerator
CN112385601B (en) * 2019-08-12 2023-11-17 浙江富地机械有限公司 Aerator impeller and aerator with impeller

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DE2553384A1 (en) * 1974-12-05 1976-06-10 Jean Louis Roland DEVICE FOR INTRODUCING GAS INTO A LIQUID
US5711657A (en) * 1994-07-15 1998-01-27 Oase-Pumpen Wuebker Soehne Gmbh & Co. Maschinenfabrik Centrifugal pump, particularly for fountains
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CN204762874U (en) * 2015-06-10 2015-11-18 喃嵘水产(上海)有限公司 Impeller type automatic aerator

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DE2553384A1 (en) * 1974-12-05 1976-06-10 Jean Louis Roland DEVICE FOR INTRODUCING GAS INTO A LIQUID
US5711657A (en) * 1994-07-15 1998-01-27 Oase-Pumpen Wuebker Soehne Gmbh & Co. Maschinenfabrik Centrifugal pump, particularly for fountains
CN103385197A (en) * 2012-05-07 2013-11-13 吴为国 Impeller aerator
CN103583448A (en) * 2012-08-15 2014-02-19 梁家明 Frame type high efficiency impeller of impeller aerator
CN104067978A (en) * 2014-07-04 2014-10-01 珠海市绿田机械有限公司 Impeller type aerator
CN104855329A (en) * 2015-04-23 2015-08-26 河南省水产科学研究院 Oxygen increasing machine impeller and oxygen increasing machine with oxygen increasing machine impeller
CN204762874U (en) * 2015-06-10 2015-11-18 喃嵘水产(上海)有限公司 Impeller type automatic aerator

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CN109197740A (en) 2019-01-15
CN113207794A (en) 2021-08-06

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