CN104026061B - A kind of vertical type oxygenation machine of water-cooled machine - Google Patents
A kind of vertical type oxygenation machine of water-cooled machine Download PDFInfo
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- CN104026061B CN104026061B CN201310069217.3A CN201310069217A CN104026061B CN 104026061 B CN104026061 B CN 104026061B CN 201310069217 A CN201310069217 A CN 201310069217A CN 104026061 B CN104026061 B CN 104026061B
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Abstract
The vertical type oxygenation machine that the present invention relates to a kind of water-cooled machine specifically includes that water-cooled machine, reduction box, buoyancy aid, impeller, support bar, water-cooled machine is made of stainless steel, water-cooled machine is vertically mounted on reduction box, double-reduction gear is had in reduction box, driver pinion is contained on motor shaft, the substantially vertical impeller that extends downwardly from of output shaft rotates with the speed of 250 400 turns per minute, impeller integral molded plastic molding, there is baffle guide plate in the outside of blade, baffle guide plate makes part water body upwards drench to make water-cooled machine cool down on water-cooled machine, entirety is kept afloat by buoyancy aid, buoyancy aid is Unitarily blowing formed.The bottom of impeller and reduction box is in the used through hole of buoyancy aid, and the bottom of used through hole is cylindrical, and bottom is diffusing opening, and the water body driven during impeller work flows in used through hole, and used through hole has guiding and diffusion, can increase upper and lower water body exchange capacity.
Description
Technical field
The present invention relates to aquaculture equipment, particularly relate to the vertical type oxygenation machine of a kind of water-cooled machine.
Background technology
Aerator is the equipment having lifesaving and growth encourage in aquaculture to fish and shrimp.Existing mechanical type aerator mainly has water
Vehicle type, impeller axle are horizontally disposed with referred to as Horizontal aerator, and also the impeller axle vertical design of paddle aerator etc., can be collectively referred to as
Vertical type oxygenation machine, above vertical type oxygenation machine is typically all motor and is rotated by deceleration impeller, and wheel speed is relatively low, impeller
The spray done spreads to surrounding, all uses ventilated machine, and in order to prevent raining and a small amount of spray of water, motor is equipped with waterproof
Cover, motor radiating is under some influence, and paddle aerator ball float is kept afloat, and the bigger transport of volume and movement are the most not
Convenient.
Summary of the invention
It is an object of the invention to for above not enough, it is provided that the vertical type oxygenation machine of a kind of water-cooled machine, volume is little, cost
Low.
The object of the present invention is achieved like this:
The vertical type oxygenation machine of a kind of water-cooled machine specifically includes that water-cooled machine, reduction box, buoyancy aid, impeller, support bar, water
Cool electric machine is vertically mounted on reduction box, has double-reduction gear, driver pinion to be contained on motor shaft, output shaft in reduction box
The substantially vertical impeller that extends downwardly from, described impeller is made up of collarette and multiple blade of big upper and lower small mouth；Described
Collarette is suitable for reading is polygon, polygonal angle number and blade quantity is equal or the multiple of blade quantity, and collarette end opening is circular,
Blade is distributed in collarette, and there are baffle guide plate, impeller integral molded plastic molding in the outside of blade, and described support bar one end is fixed on
On reduction box, the other end is fixed on buoyancy aid and is fastened by screw；Having used logical hole up and down in described buoyancy aid, the bottom in hole is circle
Shape, the top in hole is taper or tubaeform diffusing opening.
The shell of described water-cooled machine is rolled by stainless sheet steel and is welded into stainless steel tube, stator be contained in stainless outside
In shell, stator two ends are equipped with lining ring, and lining ring makes stator shaft orientation position, and there is sealing lid shell upper end, seals and has covered termination
Or the Packed cable of shell band；The seam coordinating position to coordinate with reduction box, motor and subtracting are stamped in the lower end of water-cooled machine
Speed case is tightly connected.
Described reduction box mainly by: upper box, lower box, reduction gearing, bearing, output shaft form, lower box and upper
Box sealing combines；The junction of lower box and upper box is respectively arranged with no less than three half slots that can install support bar, half slot
There is pivot flange both sides, and pivot flange has the hole of bolt, support bar be arranged on upper box and lower box two halves circular groove composition
In circular hole；The driver pinion of described reduction gearing is contained on motor shaft, and driver pinion drives one-level driven gear, one-level quilt
Moving gear is arranged on shaft gear, and shaft gear drives two grades of driven gears, and two grades of driven gears are arranged on output shaft；Shaft gear
Upper end bearing in upper box bearing chamber, the bottom end bearing of shaft gear is in lower box bearing chamber, and the middle part of lower box is downward
Having the bearing chamber of output shaft, the bearing chamber lower end of output shaft has and lower box one or the closed chamber of split；Described split
Closed chamber is closed chamber and reduction box Split assembled, the built-in mechanical seal of closed chamber or oil sealing, and closed chamber has more than three and subtracts
The through hole corresponding to screw of speed case lower end, the screw of reduction box lower end is arranged on stiffener；Output shaft extends downwardly from after sealing
The speed that impeller turns with 250-400 per minute rotates.
Described buoyancy aid monolithic molding or segmentation become a part for buoyancy aid and are assembled into buoyancy aid, have used logical up and down in buoyancy aid
Hole, the bottom in hole is circular, and the top in hole is taper or tubaeform diffusing opening.
Described buoyancy aid profile is square, and wherein two opposite side have the hole of fixing inserted link or rope.
Described buoyancy aid blow molding, diffusing opening periphery has the groove of three fixing support bars, groove both sides to have attachment fastener
Screw hole.
The bearing chamber of described output shaft is in the collarette of impeller, and output shaft has flange and impeller to connect.
The upper end of described blade is connected with upright plate, makes water body increase.
Described support bar is hollow pipe, and one end is connected on reduction box, and the other end is connected with buoyancy aid, support bar metal
Pipe bending forming, this one end that support bar is connected with reduction box is higher than this one end being connected with buoyancy aid.
The half slot of described upper box has can be by the hexagon ring of the turret head of bolt, and the turret head of bolt passes top box
The hexagon ring of body half slot is tight by nut in making support bar one end be arranged on the circular hole of upper box and lower box two halves circular groove composition
Gu, the support bar other end is arranged in the groove of buoyancy aid diffusing opening periphery, and top fastener and screw are fixed, and there is clip on groove both sides
The screw hole of part.
Substantive distinguishing features and marked improvement that the present invention highlights compared to existing technology be:
1. the bottom of impeller and reduction box is in the used through hole of buoyancy aid, and the bottom of used through hole is cylindrical, and top is diffusion
Mouthful, the water body driven during impeller work flows in used through hole, and used through hole has guiding and diffusion, can increase upper and lower water body and hand over
Transducing power；
2. impeller is by plastics integral molded plastic molding, with baffle guide plate and upright plate, and the most effective but also low cost, no
Get rusty；
3. water-cooled machine saves bucker, and the temperature rise low life-span is long.
Accompanying drawing explanation
Fig. 1 is the aerator schematic perspective view of the present invention；
Fig. 2 is the aerator cross-sectional schematic of the present invention；
Fig. 3 is the buoyancy aid schematic perspective view of the present invention；
Fig. 4 is the support bar schematic perspective view of the present invention；
Fig. 5 is the impeller schematic perspective view of the present invention；
Fig. 6 is the schematic perspective view of the impeller band upright plate of the present invention；
Fig. 7 is the cross-sectional schematic of the water-cooled machine of the present invention；
Fig. 8 is the termination schematic diagram of the present invention；
Fig. 9 is the lining schematic perspective view of the present invention；
Figure 10 is the lining schematic perspective view of the present invention；
Figure 11 is the lower box schematic perspective view of the reduction box of the present invention；
Figure 12 is reduction box and the lower box schematic perspective view of closed chamber split of the present invention；
Figure 13 is the lower box schematic perspective view of the reduction box of the present invention；
Figure 14 is the upper box schematic perspective view of the reduction box of the present invention；
Figure 15 is the upper box schematic perspective view of the reduction box of the present invention；
Figure 16 is water-cooled machine and the assembling structural representation (output shaft is equipped with outside framework oil seal) of reduction box of the present invention；
Figure 17 is water-cooled machine and the assembling structural representation (output shaft is equipped with mechanical seal) of reduction box of the present invention；
Figure 18 is the partial enlarged drawing of Figure 17；
Figure 19 is motor and the assembling structural representation (output shaft is equipped with mechanical seal) of reduction box of the present invention；
Figure 20 is motor and the assembling structural representation (output shaft is equipped with outside framework oil seal) of reduction box of the present invention.
In figure: 1-upper box；2-lower box；3-half slot；4-lower box bearing chamber；5-driver pinion；6-one-level quilt
Moving gear；7-shaft gear；Bis-grades of driven gears of 8-；9-oil sealing；10-output shaft；11-bearing；12-bearing；13-pivot flange；
14-upper box bearing chamber；15-hexagon ring；16-tank filler sleeve；17-buoyancy aid；18-diffusing opening；19-is cylindrical；20-groove；21-screw
Hole；22-positions hole；23-handle；24-support bar；25-flange；26-fastener；27-turns one's coat plate；28-motion block；29-plastic seal
Room；30-water-cooled machine；31-motor shaft；32-sealing ring；33-seals lid；34-bottom end cover；35-shell；36-stator；37-turns
Son；38-long threaded rod；39-lining；40-positions hole；41-determines block；42-upper end cover；The stainless steel cage of 43-；44-impeller；45-collarette；
46-polygon；47-blade；48-baffle guide plate；Bottom 49-；50-connecting hole；51-upright plate；52-reinforcement；53-cassette holder；
54-lid；55-cable cover(ing)；56-pressing plate；57-cable；58-patch panel；59-capacitor；60-O shape sealing ring；61-connects
Head；62-stiffener；63-screw；64-coordinates position；65-basin shape cavity；66-breach；67-positioning boss；68-small end；69-is big
End；70-seam；71-flange；The big end of 72-.
Detailed description of the invention
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, sees Fig. 1-2 0:
The vertical type oxygenation machine of a kind of water-cooled machine specifically includes that water-cooled machine 30, reduction box, buoyancy aid 17, impeller 44, supports
Bar 24, water-cooled machine 30 is vertically mounted on reduction box, has double-reduction gear, driver pinion 5 to be contained in motor in reduction box
On axle 31, the substantially vertical impeller 44 that extends downwardly from of output shaft 10, described impeller 44 is by the little collarette 45 of big end opening suitable for reading
And multiple blade 47 forms, described collarette 45 is suitable for reading is polygon 46, and angle number and blade 47 quantity of polygon 46 are equal, enclose
Ring 45 end opening is circular, and blade 47 can spiral type be distributed in collarette 45, and there are baffle guide plate 48, baffle guide plate in the outside of blade 47
48 make part water body upwards drench on water-cooled machine 30, can be connected with upright plate 51, the work surface of blade 47 in the upper end of blade 47
Seamlessly transit with the work surface circular arc of upright plate 51, make water body rise upwards effect more preferable.Blade 47 and the back side of upright plate 51
Reinforcement 52 can be set and increase intensity.
The bottom 49 of described impeller 44 can raise up, in the case of buoyancy is constant, and the bottom 49 of regulation impeller 44
The underwater penetration of the length that the height raised up and output shaft 10 extend downwardly from all adjustable impellers 44.
The shell 35 of described water-cooled machine 30 is rolled into stainless steel tube by stainless sheet steel, and water-cooled machine made by stainless steel tube
The shell 35 of 30, stator 36 is contained in the shell 35 of stainless water-cooled machine 30, and stator 36 two ends are equipped with lining 39, lining 39
Stator 36 is made axially to position, shell 35 close-fitting of lining 39 and water-cooled machine 30；Be equivalent to add the thickness of shell 35, outside making
The intensity of shell 35 increases；Lining 39 available rates makes less than stainless material, and water-cooled machine 30 is by water cooling.Water-cooled machine
There is sealing lid 33 shell 35 upper end of 30, seals and has termination or shell 35 to carry Packed cable on lid 33, the closeest
Termination is had to facilitate user to change cable in capping 33；The bottom end cover 34 of water-cooled machine 30 has the cooperation position 64 with reduction box
The seam 70 coordinated, water-cooled machine 30 and reduction box are tightly connected.
Described termination specifically includes that seal box and patch panel 58, and seal box is made up of cassette holder 53 and lid 54, box
Seat 53 is arranged on the sealing lid 33 of water-cooled machine 30, and the cable 57 of water-cooled machine 30 is stretched out equipped with cable by sealing lid 33
Sheath 55 is compressed by pressing plate 56 after sealing and enters seal box, the built-in patch panel of seal box 58, also can place electric capacity at seal box
Device 59, capacitor 59 is necessary to monophase machine, and the oral area of cassette holder 53 has the built-in O-ring seals of seal groove 60, uses screw
Make cassette holder 53 and lid 54 composition one.
The external diameter that coordinates of the upper end cover 42 of described water-cooled machine 30 is more than the cooperation external diameter of bottom end cover 34, bottom end cover 34 outer rim
Making step, the small end 68 of step matches in upper and shell 35 inner circle, and big end 69 is flanged, has and reduction box under flange
The seam 70 coordinated, the external diameter of upper end cover 42 and the big end 72 of shell match, than bottom end cover 34 at the cooperation of upper end cover 42
At cooperation greatly, it is that long threaded rod 38 is through stalloy in order to the rotation of nut provides space.Long threaded rod 38 one end is fixed on bottom end cover
In the screw of 34, long threaded rod 38 other end is fastened with nut by upper end cover 42；The big end 72 of the shell 35 of water-cooled machine 30 can
To be that stainless steel tube expanding molding, stator 36 and two ends lining 39 can be from end 72 greatly with secondary press-ins, big end 72 oral areas have with close
The flange 25 of capping 33 connection.
Described reduction box mainly by: upper box 1, lower box 2, reduction gearing, bearing, output shaft 10 form, be preferably
Upper box 1, lower box 2 are respectively by alloy aluminum casting forming, lower box 2 and upper box 1 seal combination；Lower box 2 and upper box 1
Junction be respectively arranged with the half slot 3 that can install support bar 24 no less than three, there are pivot flange 13, supporting methods in half slot 3 both sides
The hole by bolt, support bar 24 is had to be arranged in the circular hole of upper box 1 and lower box 2 two halves circular groove composition on blue 13；Described
The driver pinion 5 of reduction gearing is contained on motor shaft 31, and driver pinion 5 drives one-level driven gear 6, one-level driven gear
6 are arranged on shaft gear 7, and shaft gear 7 drives two grades of driven gears 8, two grades of driven gears 8 to be arranged on output shaft 10；Axle tooth
Wheel 7 upper end bearing 12 in upper box bearing chamber 14, the bottom end bearing 11 of shaft gear 7 in lower box bearing chamber 4, lower box
There is downwards the bearing chamber of output shaft 10 at the middle part of 2, and there is closed chamber the bearing chamber lower end of output shaft 10, and closed chamber can be with casing system
Integral, it is possible to Split assembled, closed chamber can be divided into closed chamber and lower seal room, built-in outside framework oil seal 9 or dress mechanical seal,
Described split closed chamber is closed chamber and reduction box Split assembled, the built-in mechanical seal of closed chamber or outside framework oil seal 9, closed chamber
Having the through hole of more than three and screw 63 correspondence of reduction box lower end, the screw 63 of reduction box lower end is arranged on stiffener 62；
Output shaft 10 extends downwardly from the speed rotation that impeller 44 turns with 250-400 per minute after sealing.
Having used logical hole up and down in described buoyancy aid 17, the bottom in hole is cylindrical 19, and the top in hole is taper or loudspeaker
Shape diffusing opening 18.
Preferably buoyancy aid 17 profile is square, it is simple to blow molding, and during blowing, stock utilization is high；Wherein the two of square buoyancy aid
Opposite side has the hole, location 22 of fixing inserted link or rope.Can be inserted into location bar in hole 22, location makes aerator position in fish pond, also
Available rope is arranged in hole 22, location and makes aerator position in fish pond.
Described buoyancy aid 17 blow molding, preferred diffusion mouth 18 periphery arranges three grooves 20, and there is fixing support on groove 20 both sides
The screw hole 21 of the fastener 26 of bar 24.Support bar 24 is hollow pipe, can be fixed on casing by joint 61, support bar 24 with subtract
This one end that speed case connects is higher than this one end with buoyancy aid 17.Joint 61 can be arranged to one with casing, and support bar 24 can be with gold
Belonging to pipe bending forming, support bar 24 is connected in the installing hole of joint 61, and joint can be integral with casing.
The bearing chamber of described output shaft 10 can in the collarette 45 of impeller 44 with reduce aerator height, output shaft 10
The nearly horizontal plane of height of bearing chamber but be not less than horizontal plane preferably, can prevent sealing wear rear bearing room from intaking, output shaft 10 has
Flange 25 and impeller 44 connect.
Described support bar 24 can use metal tube bending forming, and impeller 44 rotates the water impact support bar 24 produced water
Reflex to increase on water-cooled machine 30 water-cooled machine 30 cooling effect, can plate 27 of turning one's coat be set on buoyancy aid 17, makes water-cooled machine
30 coolings are more abundant, and plate 27 of turning one's coat preferably is arranged to integrated injection molding with fastener 26.
Described reduction box is divided into upper box 1, lower box 2 respectively by alloy aluminum casting forming, the position of three half slots 3
The 120 ° of settings of basic one-tenth, there is pivot flange 13 half slot 3 both sides, and pivot flange 13 has the hole by bolt, and hole is built with spiral shell
Bolt, makes upper box 1 and lower box 2 seal fastening, and the half slot of upper box is porose, preferably can be by the turret head of hex bolts
Hexagon ring 15, the turret head of hex bolts through the hexagon ring 15 of upper box, make support bar 24 one end be arranged on upper box and under
In the circular hole of casing two halves circular groove composition, support bar 24 and lower box 2 are fastened by nut；Support bar 24 other end is arranged on buoyancy aid
In three grooves 20 of 17 diffusing opening 18 peripheries, top fastener 26 and screw are fixed, and there is the spiral shell of fixing fastener 26 on groove 20 both sides
Nail 21；For the support bar 24 registration in circular hole, half slot is shaped with positioning boss 67, makes in support bar 24
Jagged 66, breach 66 and positioning boss 67 match.
The cooperation position 64 of one and flange seam 70 cooperation of water-cooled machine is arranged at the top of described upper box 1, coordinates position
Having a basin shape cavity 65 for 64 times, having at the bottom of the middle part of basin shape cavity 65 can be by the hole of driver pinion 5, outside basin shape cavity 65
Wall energy stops the lubricating oil splashed, and enters basin shape cavity if any the lubricating oil splashed and also flows back to from the hole at the middle part of basin shape cavity 65
Upper box in reduction box or described can be set to one with the bottom end cover of water-cooled machine.
Above-described embodiment is only presently preferred embodiments of the present invention, limits the scope of the invention the most according to this, therefore: all depend on
The equivalence change that the structure of the present invention, shape, principle are done, within all should being covered by protection scope of the present invention.
Claims (10)
1. a vertical type oxygenation machine for water-cooled machine, mainly includes water-cooled machine, reduction box, buoyancy aid, impeller, support bar, and it is special
Levy and be that water-cooled machine is vertically mounted on reduction box, in reduction box, have double-reduction gear, driver pinion to be contained in motor shaft
On, the substantially vertical impeller that extends downwardly from of output shaft, described impeller is by the collarette of big upper and lower small mouth and multiple vane group
Become；Described collarette is suitable for reading is polygon, polygonal angle number and blade quantity is equal or the multiple of blade quantity, under collarette
Mouth is circular, and blade is distributed in collarette, and there are baffle guide plate, impeller integral molded plastic molding, described support bar in the outside of blade
One end is fixed on reduction box, and the other end is fixed on buoyancy aid and is fastened by screw；The hole of up/down perforation, hole is had in described buoyancy aid
Top be taper or tubaeform diffusing opening.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that the shell of water-cooled machine is not by
Rust steel sheet rolls and is welded into stainless steel tube, and stator is contained in stainless shell, and stator two ends make stator equipped with lining ring, lining ring
Axially location, there is sealing lid shell upper end, seals and covered termination or the Packed cable of shell band；Water-cooled machine
The seam coordinating position to coordinate with reduction box is stamped in lower end, and motor and reduction box are tightly connected.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that described reduction box mainly by:
Upper box, lower box, reduction gearing, bearing, output shaft form, lower box and upper box seal combination；Lower box and upper box
Junction be respectively arranged with no less than three half slots that can install support bar, there is pivot flange half slot both sides, pivot flange have
The hole of bolt, support bar is arranged in the circular hole of upper box and lower box two halves circular groove composition；The active of described reduction gearing is little
Gear is contained on motor shaft, and driver pinion drives one-level driven gear, and one-level driven gear is arranged on shaft gear, shaft gear
Driving two grades of driven gears, two grades of driven gears are arranged on output shaft；The upper end bearing of shaft gear in upper box bearing chamber,
The bottom end bearing of shaft gear is in lower box bearing chamber, and there is downwards the bearing chamber of output shaft at the middle part of lower box, the axle of output shaft
Hold lower end, room to have and lower box one or the closed chamber of split；The closed chamber of described split is closed chamber and reduction box split group
Closing, the built-in mechanical seal of closed chamber or oil sealing, closed chamber has more than three through holes corresponding with the screw of reduction box lower end, slows down
The screw of case lower end is arranged on stiffener；Output shaft extends downwardly from, after sealing, the speed that impeller turns with 250-400 per minute
Degree rotates.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that buoyancy aid monolithic molding or segmentation
The part becoming buoyancy aid is assembled into buoyancy aid, has the hole of up/down perforation in buoyancy aid, and the bottom in hole is circular, and the top in hole is taper
Or tubaeform diffusing opening.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 4, it is characterised in that buoyancy aid profile is square, wherein
Two opposite side have the hole of fixing inserted link or rope.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 4, it is characterised in that buoyancy aid blow molding, diffusing opening
Periphery has the groove of three fixing support bars, groove both sides to have the screw hole of attachment fastener.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that the bearing chamber of output shaft is at leaf
In the collarette of wheel, output shaft has flange and impeller to connect.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that the upper end of blade is connected with uprightly
Plate, makes water body rise.
The vertical type oxygenation machine of a kind of water-cooled machine the most as claimed in claim 1, it is characterised in that support bar is hollow pipe, one end
Being connected on reduction box, the other end is connected with buoyancy aid, support bar metal tube bending forming, support bar be connected with reduction box this
One end is higher than this one end being connected with buoyancy aid.
10. the vertical type oxygenation machine of a kind of water-cooled machine as described in claim 3 or 9, it is characterised in that the half slot of upper box
Having can be by the hexagon ring of the turret head of bolt, and the turret head of bolt, through the hexagon ring of upper box half slot, makes support bar one
End is fastened by nut in being arranged on the circular hole of upper box and lower box two halves circular groove composition, and the support bar other end is arranged on buoyancy aid and expands
In the groove of raw edge periphery, top fastener and screw are fixed, and there is the screw hole of attachment fastener on groove both sides.
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| CN201310069217.3A CN104026061B (en) | 2013-03-05 | 2013-03-05 | A kind of vertical type oxygenation machine of water-cooled machine |
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| CN201310069217.3A CN104026061B (en) | 2013-03-05 | 2013-03-05 | A kind of vertical type oxygenation machine of water-cooled machine |
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| CN104026061B true CN104026061B (en) | 2016-08-03 |
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| CN104604783B (en) * | 2015-01-24 | 2018-06-05 | 陈一峰 | A kind of wind-force makes unrestrained aerator |
| CN107969374A (en) * | 2016-10-22 | 2018-05-01 | 浙江富地机械有限公司 | A kind of simple oxygenation machine |
| CN107047445A (en) * | 2017-05-08 | 2017-08-18 | 上海义民电机有限公司 | A kind of miniature small-power paddle aerator |
| CN113632760A (en) * | 2017-06-29 | 2021-11-12 | 浙江富地机械有限公司 | Impeller type aerator with water-cooled motor with central floating body |
| CN107187552B (en) * | 2017-06-30 | 2023-11-03 | 郑仙方 | Structure of waterwheel type aerator pontoon |
| CN110238799A (en) * | 2018-03-07 | 2019-09-17 | 苏州宝时得电动工具有限公司 | Electric hammer |
| CN111345262B (en) * | 2018-12-20 | 2023-03-24 | 浙江富地机械有限公司 | Waterwheel type aerator with water-cooled motor |
| 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 |
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| SU1764598A1 (en) * | 1991-02-27 | 1992-09-30 | Сибирский научно-исследовательский институт гидротехники и мелиорации | Apparatus for aeration of water in water basins |
| CN101893083A (en) * | 2010-02-07 | 2010-11-24 | 吴为国 | Reduction box of aerator and impeller type aerator provided with reduction box |
| CN201843978U (en) * | 2010-02-07 | 2011-05-25 | 吴为国 | Reduction gearbox and impeller type oxygen enricher with same |
| CN102308772A (en) * | 2010-07-02 | 2012-01-11 | 吴为国 | Waterwheel-type automatic aerator |
| CN202152301U (en) * | 2010-07-20 | 2012-02-29 | 吴为国 | Water-pumping type aerator of water cooled motor |
| CN102578020A (en) * | 2011-01-15 | 2012-07-18 | 吴为国 | Impeller of aerator and aerator equipped with impeller |
| CN202184054U (en) * | 2011-08-29 | 2012-04-11 | 吴为国 | Vertical water plowing machine |
| CN202184055U (en) * | 2011-08-29 | 2012-04-11 | 吴为国 | Horizontal water ploughing machine |
| CN203087301U (en) * | 2013-03-05 | 2013-07-31 | 吴为国 | Vertical aerator of water-cooled motor |
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