CN111345261A - Reduction gearbox of aerator and waterwheel aerator with reduction gearbox - Google Patents
Reduction gearbox of aerator and waterwheel aerator with reduction gearbox Download PDFInfo
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- CN111345261A CN111345261A CN201811562451.9A CN201811562451A CN111345261A CN 111345261 A CN111345261 A CN 111345261A CN 201811562451 A CN201811562451 A CN 201811562451A CN 111345261 A CN111345261 A CN 111345261A
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- shell
- gear
- reduction gearbox
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
Abstract
The invention relates to a reduction gearbox of an aerator and a waterwheel aerator with the reduction gearbox, wherein a shell of the reduction gearbox is formed by welding a left half shell and a right half shell which are punched by plates, or is formed by welding a surrounding ring and two side panels; the upper part of the shell is provided with a window in which a gear can be arranged, the upper part of the shell is provided with a connecting position, and two side panels of the shell are provided with bearing chambers.
Description
Technical Field
The invention belongs to aquaculture equipment, and particularly relates to a reduction gearbox of an aerator and a waterwheel type aerator with the reduction gearbox.
Background
The common waterwheel type aerator is provided with a speed reducing mechanism, a shell of the speed reducing mechanism is usually formed by casting cast iron and then machining, and the process is complex and the environment is influenced. Cast iron is prone to rust and is too costly to cast entirely from stainless steel.
Disclosure of Invention
The invention aims to provide a reduction gearbox shell of an aerator formed by welding a stainless steel plate after stamping and forming and a waterwheel aerator with the reduction gearbox shell.
The purpose of the invention is realized as follows:
a reduction gearbox of an aerator is characterized in that a shell of the reduction gearbox is formed by welding a left half shell and a right half shell which are formed by punching plates, or the shell is formed by welding a surrounding ring and two side panels; the upper part of the shell is provided with a window in which a gear can be arranged, the upper part of the shell is provided with a connecting position, and two side panels of the shell are provided with bearing chambers.
The connecting position is provided with a flange which is formed by casting or punching a plate; the flange plate is welded on the connecting position, and the bottom of the flange plate is provided with a window in which a gear can be arranged; or the flange plate is connected to the connecting position by a fastener, and a bearing chamber for assembling a bevel pinion bearing is arranged below the bottom plate of the flange plate; the upper plane of the flange plate is provided with a plurality of connecting holes for connecting the motor.
The bearing chamber of the two side panels of the shell is peripherally provided with a local outwards convex area, and the convex area is provided with a stud or a screw hole for connecting the sealing cover and the sealing member seat.
The side panels of the two sides of the shell are provided with bearing chambers, and the bearing chambers are formed by the side panels in a way of forming inward reverse holes or welding the bearing chambers on the inner sides of the side panels.
The manufacturing method of the speed reducing box shell of the aerator comprises the following two steps:
A. the shell is a left half shell and a right half shell which are punched from plates, a bearing chamber is arranged on a side panel, the left half shell and the right half shell are welded into a shell, a window for installing a gear is arranged at the upper part of the shell, and a connecting position is arranged at the upper part of the shell;
B. the shell is surrounded by plates to form a surrounding ring; the surrounding ring comprises an upper surface, a lower surface and two ends, and two side panels are stamped from two plates, and bearing chambers are arranged on the two side panels; the two side panels and the surrounding ring are welded into a shell; the top of the shell is provided with a window for installing the gear, the upper part of the shell is provided with a connecting position, and the flange plate is arranged on the connecting position.
The middle part of the flange plate is drawn downwards, and a plurality of connecting holes are formed in the upper plane; the bearing chamber is formed by the inward reverse hole of the side panel, or the bearing chamber is welded on the inner side of the side panel.
7. The utility model provides an oxygen-increasing machine with reducing gear box mainly includes body, motor, impeller, its characteristic includes: the motor is vertically arranged on the reduction gearbox, the reduction gearbox is arranged on the floating body, a reduction gear is arranged in the reduction gearbox, the reduction gear comprises a passive big bevel gear arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical big gear arranged on an output shaft, bearings are respectively arranged on two sides of the output shaft and arranged in bearing chambers on two sides of the shell, the output shaft extends out of the shell, a sealing element is arranged between the output shaft and the shell, a motor shaft drives a small bevel gear which drives a big bevel gear, the big bevel gear is arranged on the cylindrical pinion shaft, the cylindrical pinion drives the cylindrical big gear, the output shaft drives an impeller to rotate so as to enable a water body to flow, and spray is raised to enable the fishpond to be oxygenated.
The shell of the motor and the shell of the reduction gearbox are made of stainless steel, and water splashed by the impeller is sprayed on the motor and the reduction gearbox to cool the motor and the reduction gearbox during working.
The floating body comprises floating boats and supports, the floating boats are hollow plastic pieces with closed upper openings, the floating bodies are formed by connecting a plurality of floating boats through the supports, and the impellers are arranged between the neutral blocks of the floating boats.
The speed reduction gear is wrapped and lifted by one of three speed reduction mechanisms of first-stage speed reduction, second-stage speed reduction and third-stage speed reduction; the first-stage speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, and the large bevel gear is arranged on an output shaft; the secondary speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, the large bevel gear is arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical large gear, and the cylindrical large gear is arranged on an output shaft; the third-stage speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, the large bevel gear is arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical large gear, the cylindrical large gear is arranged on a second-stage cylindrical pinion shaft, the second-stage cylindrical pinion shaft drives a third-stage cylindrical large gear, and the third-stage cylindrical large gear is arranged on an output shaft; when the impeller works, the output shaft drives the impeller to rotate.
Compared with the prior art, the invention has the outstanding advantages that:
the reduction gearbox of the waterwheel type aerator provided by the invention can be made of stainless steel, is welded into a whole after being formed by punching, realizes small cutting or non-cutting processing, is firm and corrosion resistant, and can be used for mariculture.
Drawings
FIG. 1 is a schematic perspective view of the inside of the left half shell of the present invention;
FIG. 2 is a perspective view of the outer side of the left housing half of the present invention;
FIG. 3 is a schematic view of the right housing half inside of the invention;
FIG. 4 is a perspective view of the right half shell of the present invention;
FIG. 5 is a schematic perspective view of a flanged disc-belt bearing housing of the present invention;
FIG. 6 is another perspective view of FIG. 5;
FIG. 7 is a perspective view of the base of the present invention;
FIG. 8 is another perspective view of FIG. 7;
FIG. 9 is a schematic perspective view of the reduction box and the motor of the present invention;
FIG. 10 is a schematic perspective view of the reduction gearbox and the flanged disc and belt bearing housing of the present invention;
FIG. 11 is a schematic cross-sectional view of the reduction gearbox with the bevel pinion mounted in the bearing chamber of the flange according to the present invention;
FIG. 12 is a schematic view of the assembly structure of the water-cooled motor and the flange of the present invention;
FIG. 13 is a perspective view of the present invention support with bosses;
FIG. 14 is a perspective view of the shroud of the present invention;
FIG. 15 is a schematic side panel perspective view of the present invention;
FIG. 16 is another perspective view of the invention of FIG. 15;
FIG. 17 is a schematic side panel perspective view of the present invention;
FIG. 18 is a schematic perspective view of the reverse side forming of the bearing housing of the side panel of the present invention;
FIG. 19 is another perspective view of FIG. 18 of the present invention;
FIG. 20 is a perspective view of the flange of the present invention;
FIG. 21 is another perspective view of the invention from FIG. 20;
FIG. 22 is a schematic view of the gearbox housing construction of the present invention;
FIG. 23 is a schematic view of the cross-sectional configuration of the reduction gearbox housing of the present invention;
FIG. 24 is a schematic view of the reduction gearbox configuration of the present invention;
FIG. 25 is a schematic cross-sectional view of the housing of the present invention;
FIG. 26 is a schematic perspective view of the reduction box and the water-cooled motor of the present invention;
FIG. 27 is a schematic view of the bevel pinion gear of the present invention mounted on the motor shaft;
FIG. 28 is a schematic perspective view of the oxygen-increasing machine with the reduction gearbox of the present invention;
fig. 29 is a schematic perspective view of the reduction gearbox aerator of the invention.
In the figure, 1-left half shell; 2-right half shell; 3-a bearing chamber; 4-thick-walled pipe; 5-a raised area; 6-window; 7-positioning a circle; 8-screw holes; 9-screw holes; 10-oil filling hole; 11-a transition arc; 12-a flange plate; 13-positioning the spigot; 14-a bearing chamber; 15-well; 16-upper plane; 17-a connection hole; 18-vertical sides; 19-transition arc; 20-bearing chamber excircle; 21-a base; 22-connecting hole; 23-a recess; 24-an air cooling motor; 25-motor shaft splines; 26-a filler plug; 27-flange window; 28-internal splines; 29-a bearing; 30-snap spring for hole; 31-O-rings; 32-a collarette; 33-upper plate; 34-a lower plate; 35-a front plate; 36-a back plate; 37-a gasket; 38-side panel; 39-a stud; 40-bearing housing blank; 41-a water-cooled motor; 42-motor shaft; 43-bevel pinion gear; 44-big bevel gear; 45-cylindrical pinion gear; 46-a cylindrical bull gear; 47-a bearing; 48-plastic inner cover; 49-stainless steel outer cover; a 50-O ring; 51-mechanical seal; 52-a sealing seat; 53-sealing seat outer cover; 54-an output shaft; 55-shaft retainer ring; 56-screw; 57-small convex ribs; 58-bolt; 59-a nut; 60-a liner; 61-a support; 62-a boss; 63-a pontoon; 64-a scaffold; 65-a transmission shaft; 66-a coupling; 67-a bearing seat; 68-an impeller; 69-a waterproof cover; 70-position to accommodate O-rings; 71-positioning steps; 72-central line of spigot of flange plate; 73-connection bit.
Detailed Description
The invention is further described in the following detailed description of embodiments in conjunction with the drawings, see fig. 1-29:
a reduction gearbox of an aerator, the shell of the reduction gearbox is formed by welding a left half shell and a right half shell which are formed by punching plates, or the shell is formed by welding a surrounding ring 32 and two side panels 38; the upper part of the shell is provided with a window 6 in which a gear can be arranged, the upper part of the shell is provided with a connecting position 73 connected with a motor or a flange 12, and two side panels of the shell are provided with bearing chambers 3. The bearing chamber 3 can be formed by reversely drilling the side panel 38 inwards, or welding a pipe on the inner side of the side panel 38 to form the bearing chamber 3, the welded pipe can be a thick-wall pipe 4, a screw hole 8 for fixing the sealing cover and the sealing element seat is also arranged on the thick-wall pipe 4, or a welded bearing chamber blank 40 is provided with the screw hole 8 for fixing the sealing cover and the sealing element seat. The shell can be made of stainless steel, the thick-wall pipe 4 or the bearing chamber blank 40 can be made of common steel which is cheaper than stainless steel so as to reduce the cost, and common steel which is filled with lubricating oil in the shell after the reduction gearbox is sealed in the shell and cannot be corroded. The bearing chamber 3 formed by the reverse hole or the bearing chamber 3 made of thin-wall pipe adopts a stud 39 for fixing a sealing cover and a fastener of a sealing piece seat, and the stud 39 can be welded on the side panel 38.
The flange 12 can be arranged on the connecting position 73, and the flange 12 can be connected to the connecting position 73 of the shell by fasteners or the flange 12 is welded on the connecting position 73 of the shell. The flange 12 may be stamped or cast from sheet metal.
The bottom of the flange 12 which is welded on the shell and formed by stamping a plate is provided with a flange window 27 which can be filled with gears, and the flange window 27 can be blanked and cut off; the periphery of the flange plate 12 can be downwards provided with vertical edges 18 to increase the strength, and the excircle of the flange plate can be used as a positioning reference for connecting with a motor flange; the upper plane 16 of the flange is provided with a plurality of connecting holes 17, and the inner side of the upper plane 16 is provided with a positioning spigot 13 which can be connected with a motor. The method for connecting the flange plate 12 by the fastening piece can arrange a positioning circle 7 in the middle of a window for installing the gear, a bearing chamber 14 of the bevel pinion is arranged below the flange plate 12, and the excircle 20 of the bearing chamber of the bevel pinion is matched with the positioning circle 7 in the middle of the window for positioning and connected by the fastening piece.
The periphery of the bearing chamber of the two side panels of the shell can be provided with a region 5 which is partially protruded outwards, so that a sealing member seat for sealing the shell and a stud 39 or a screw hole 8 of a sealing cover are also arranged in the protruded region 5, and the strength of the shell can be improved by arranging the protruded region 5.
A manufacturing method of a speed reducer shell of an aerator comprises one of the following two methods:
A. the shell is a blank of left and right half shells stamped from a sheet material; a window 6 which can generate a gear to be arranged is cut on the top plate of the blank of the half shell, and a bearing chamber 3 is arranged on the side panel; welding the left and right semi-shells into a shell; the upper part of the shell is welded with a flange 12 or connected with the flange 12 by a fastener. The method for fastening and connecting the flange plate 12 can arrange a positioning circle 7 in the middle of a window of the loading gear, a bearing chamber 14 for assembling a bevel pinion bearing is arranged below a bottom plate of the flange plate, an internal spline 28 is arranged in the bevel pinion 43 and can be matched with a motor shaft spline 25, and an excircle 20 of the bearing chamber is matched and positioned with the positioning circle 7 in the middle of the window.
B. The shell is surrounded by plates to form an enclosing ring 32, the enclosing ring 32 comprises an upper plate 33, a lower plate 34, a front plate 35 and a rear plate 36, the enclosing ring 32 can be formed by bending one plate or by connecting a plurality of plates in parallel, and the upper plate 33 is provided with a window 6 in which a gear can be arranged; two plates are punched into side plates 38, and bearing chambers 3 are arranged on the two side plates 38; the two side panels 38 are welded to the shroud 32 to form a housing. And welding a flange 12 on the upper part of the shell or connecting the flange 12 by using a fastening piece. The method for connecting the flange plate 12 by the fastening piece can arrange a positioning circle 7 in the middle of a window for installing the gear, a bearing chamber 14 of the bevel pinion is arranged below the flange plate, and the excircle 20 of the bearing chamber is matched and positioned with the positioning circle 7 in the middle of the window. The bevel pinion 43 is directly mounted on the motor shaft 42 by welding a flange on the upper portion of the housing.
The flange plate 12 can be formed by drawing the middle of a plate downwards, a plurality of connecting holes 17 connected with a motor are manufactured on an upper plane 16 by a peripheral downward vertical edge 18, a plurality of holes 15 for connecting a shell are required to be formed on a flange plate bottom plate adopting fastening connection, a sealing gasket 37 can be arranged between the flange plate 12 and the shell, the sealing gasket 37 can be formed by injection molding, small convex ribs 57 are arranged on two sides, the sealing effect of the sealing gasket can be improved by the small convex ribs 57, and a bearing chamber 14 of a small bevel gear can be arranged below the flange plate 12.
The bearing chamber 14, the positioning spigot 13 and the upper plane 16 of the flange plate can be cut and finished to improve the precision.
The lower surface of the shell can be provided with a base 21, the base 21 can also be formed by stamping a plate material and then welded under the shell, the number of the bases 21 is usually two, and the base 21 is provided with a connecting hole 22.
The base 21 is welded under the housing with the plane up and the recess facing down, and the support 61 for the float can be provided with a boss 62 that fits in the recess 23. The connection of the boss 62 with the recess 23 improves the mounting strength and accuracy. The support member 61 may be formed in two pieces by injection molding.
The bearing chamber 3 can be formed by the side panel 38 being formed with an inward reverse hole, or the bearing chamber 3 is installed inside the side panel 38; in order to improve the precision, the thick-wall pipe 4 or the bearing chamber blank 40 can be welded and then cut into the bearing chamber 3, and the screw hole 8 for fixing the sealing cover and the sealing member seat can also be arranged on the thick-wall pipe 4 or the bearing chamber blank 40. Or the pipe welded with the bearing chamber 3 is a thin-wall pipe, and the stud 39 of the bearing chamber 3 for welding the thin-wall pipe, which is used for fixing the sealing cover and the sealing piece seat, can be welded on the side panel 38.
The bearing chambers A and B at the inner side of the side panel 38 are mutually corresponding to form a first group, the bearing chambers C and D are mutually corresponding to form a second group, and the central connecting line of the bearing chambers of the first group is basically intersected with the downward extension line of the central line 72 of the spigot of the flange plate.
An oxygen increasing machine with the reduction gearbox mainly comprises a floating body, a motor and an impeller 68, wherein the motor is vertically arranged on the reduction gearbox, the reduction gearbox is arranged on the floating body, a reduction gear is arranged in the reduction gearbox, the reduction gear comprises a driven big bevel gear 44 arranged on a cylindrical pinion shaft, the cylindrical pinion shaft is arranged in a first group of bearing chambers through bearings, the cylindrical pinion 45 drives a cylindrical big gear 46, the cylindrical big gear 46 is arranged on an output shaft 54, bearings 47 are respectively arranged at two sides of the output shaft 54, the bearings 47 are arranged in a second group of bearing chambers of a shell, the output shaft 54 extends out of the shell, a sealing part is arranged between the output shaft 54 and the shell, when the oxygen increasing machine works, a motor shaft 42 drives a small bevel gear 43, the small bevel gear 43 drives a big bevel gear 44, the big bevel gear 44 is arranged on the cylindrical pinion shaft, the cylindrical pinion 45 drives the cylindrical big gear 46, the output shaft 54 drives the impeller 68 to rotate, so that the water body flows, and water flowers are lifted to oxygenate the fishpond.
According to the method for connecting the flange plate 12 by the fastening piece, the bearing chamber 14 of the bevel pinion is arranged below the bottom plate of the flange plate 12, the bevel pinion is assembled in the bearing chamber 14 below the bottom plate of the flange plate through the bearing 29, the outer circle 20 of the bearing chamber is matched and positioned with the positioning circle 7 in the middle of the window 6 of the shell, and the bevel pinion is fastened by the plurality of screws 56.
The bevel pinion 43 is mounted directly on the motor shaft 42 by welding the flange 12 to the upper portion of the housing.
The sealing structure comprises a position for accommodating an O-shaped ring arranged at the outer end of a bearing chamber of a side panel of the shell, the sealing cover can be composed of a plastic inner cover 48 and a stainless steel outer cover 49, and the plastic inner cover 48 of the sealing cover is abutted against the outer side of the bearing 47 to axially position the bearing 47; or the injection molding sealing seat 52 is abutted against the outer end of the bearing of the output shaft, the outer end of the bearing chamber of the side panel of the shell is provided with a position for accommodating an O-shaped ring, so that the output shaft 54 is axially positioned and sealed, and the outer part of the sealing seat 52 can be provided with a sealing seat outer cover 53 formed by stamping stainless steel. The sealing seat 52 can be provided with a mechanical sealing element or a framework oil seal to seal the rotation of the output shaft. The positions for accommodating the O-shaped rings comprise that the side panels 38 generate transition arcs 11 towards the outer ends of the inner reverse hole forming bearing chambers, and the O-shaped rings 50 are arranged at the positions with the transition arcs 11 to seal the shell; or the hole phi a of the outer end stainless steel plate of the bearing chamber of the stainless steel side plate 38 is larger than the hole phi of the bearing chamber, the welded thick-wall pipe is provided with a positioning step 71, the positioning step 71 is matched with the hole phi a of the stainless steel plate, the length of the positioning step is smaller than the thickness of the stainless steel plate, and the outer end of the bearing chamber is left with a position 70 capable of accommodating an O-shaped ring.
The inner side of the upper plane of the flange plate is stretched into a positioning spigot capable of being connected with a motor flange, and an O-shaped ring between the motor flange and the flange plate can be placed on a transition arc 19 generated in the stretching process of the flange plate.
The number of the bearing chambers 3 on the side panel of the reduction gearbox is usually 1-3, and primary reduction, secondary reduction and tertiary reduction can be set according to different reduction ratios; the permanent magnet brushless motor can be matched to realize stepless speed regulation of the aerator.
The motor shell and the shell of the reduction gearbox can be made of stainless steel, and water splashes which are raised by the impeller 68 are sprayed on the motor and the reduction gearbox during working so as to cool the motor and the reduction gearbox.
The positioning spigot 13 can be set to be larger than the spigot of a standard motor flange end cover, for example, the diameter of the motor flange spigot of a 90 machine base is 130mm, the positioning spigot of a flange plate can be set to be 131-140 mm, and a gasket 60 is further arranged, so that after the original aerator of the cast iron reduction gearbox with the plastic waterproof cover fails, the motor and the reduction gearbox are combined for continuous use. The liner can be made of plastics, the axial height of the liner is equal to the thickness of the plastic waterproof cover, and the height difference generated after the plastic waterproof cover is abandoned after the reduction gearbox made of stainless steel plates replaces a cast iron reduction gearbox can be compensated.
The floating body comprises a floating body 63 and a bracket 64, wherein the floating body 63 is a closed hollow plastic piece, a plurality of floating bodies are connected by the bracket 63 to form the floating body, and an impeller 68 is arranged between the empty spaces of the floating body 63.
The above-mentioned embodiment is only one of the 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 (10)
1. A reduction gearbox of an aerator is characterized in that a shell of the reduction gearbox is formed by welding a left half shell and a right half shell which are formed by punching plates, or the shell is formed by welding a surrounding ring and two side panels; the upper part of the shell is provided with a window in which a gear can be arranged, the upper part of the shell is provided with a connecting position, and two side panels of the shell are provided with bearing chambers.
2. The reduction gearbox of the oxygen increasing machine according to claim 1, characterized by comprising: the connecting position is provided with a flange which is formed by casting or punching a plate; the flange plate is welded on the connecting position, and the bottom of the flange plate is provided with a window in which a gear can be arranged; or the flange plate is connected to the connecting position by a fastener, and a bearing chamber for assembling a bevel pinion bearing is arranged below the bottom plate of the flange plate; the upper plane of the flange plate is provided with a plurality of connecting holes for connecting the motor.
3. The reduction gearbox of the oxygen increasing machine according to claim 1, characterized in that: the bearing chamber of the two side panels of the shell is peripherally provided with a local outwards convex area, and the convex area is provided with a stud or a screw hole for connecting the sealing cover and the sealing member seat.
4. The reduction gearbox of the oxygen increasing machine according to claim 1, characterized by comprising: the side panels of the two sides of the shell are provided with bearing chambers, and the bearing chambers are formed by the side panels in a way of forming inward reverse holes or welding the bearing chambers on the inner sides of the side panels.
5. A manufacturing method of a speed reducer shell of an aerator is characterized by comprising one of the following two steps:
A. the shell is a left half shell and a right half shell which are punched from plates, a bearing chamber is arranged on a side panel, the left half shell and the right half shell are welded into a shell, a window for installing a gear is arranged at the upper part of the shell, and a connecting position is arranged at the upper part of the shell;
B. the shell is surrounded by plates to form a surrounding ring; the surrounding ring comprises an upper surface, a lower surface and two ends, and two side panels are stamped from two plates, and bearing chambers are arranged on the two side panels; the two side panels and the surrounding ring are welded into a shell; the top of the shell is provided with a window for installing the gear, the upper part of the shell is provided with a connecting position, and the flange plate is arranged on the connecting position.
6. The method for manufacturing the reduction box housing of the oxygen increasing machine according to claim 5, characterized by comprising the following steps: the middle part of the flange plate is drawn downwards, and a plurality of connecting holes are formed in the upper plane; the bearing chamber is formed by the inward reverse hole of the side panel, or the bearing chamber is welded on the inner side of the side panel.
7. An oxygen-increasing machine with the reducing gear box of claim 1 mainly includes body, motor, impeller, its characterized in that includes: the motor is vertically arranged on the reduction gearbox, the reduction gearbox is arranged on the floating body, a reduction gear is arranged in the reduction gearbox, the reduction gear comprises a passive big bevel gear arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical big gear arranged on an output shaft, bearings are respectively arranged on two sides of the output shaft and arranged in bearing chambers on two sides of the shell, the output shaft extends out of the shell, a sealing element is arranged between the output shaft and the shell, a motor shaft drives a small bevel gear which drives a big bevel gear, the big bevel gear is arranged on the cylindrical pinion shaft, the cylindrical pinion drives the cylindrical big gear, the output shaft drives an impeller to rotate so as to enable a water body to flow, and spray is raised to enable the fishpond to be oxygenated.
8. The aerator of claim 7, comprising: the shell of the motor and the shell of the reduction gearbox are made of stainless steel, and water splashed by the impeller is sprayed on the motor and the reduction gearbox to cool the motor and the reduction gearbox during working.
9. The aerator as claimed in claim 7, wherein the floating bodies comprise floating boats and supports, the floating boats are hollow plastic members with closed upper openings, the floating bodies are connected by the supports, and the impellers are arranged between the neutral spaces of the floating boats.
10. The aerator according to claim 7, wherein the speed reduction gear comprises one of a first speed reduction mechanism, a second speed reduction mechanism and a third speed reduction mechanism; the first-stage speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, and the large bevel gear is arranged on an output shaft; the secondary speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, the large bevel gear is arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical large gear, and the cylindrical large gear is arranged on an output shaft; the third-stage speed reduction is that a motor shaft drives a small bevel gear which drives a large bevel gear, the large bevel gear is arranged on a cylindrical pinion shaft, the cylindrical pinion drives a cylindrical large gear, the cylindrical large gear is arranged on a second-stage cylindrical pinion shaft, the second-stage cylindrical pinion shaft drives a third-stage cylindrical large gear, and the third-stage cylindrical large gear is arranged on an output shaft; when the impeller works, the output shaft drives the impeller to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562451.9A CN111345261A (en) | 2018-12-20 | 2018-12-20 | Reduction gearbox of aerator and waterwheel aerator with reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562451.9A CN111345261A (en) | 2018-12-20 | 2018-12-20 | Reduction gearbox of aerator and waterwheel aerator with reduction gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN111345261A true CN111345261A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562451.9A Pending CN111345261A (en) | 2018-12-20 | 2018-12-20 | Reduction gearbox of aerator and waterwheel aerator with reduction gearbox |
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| CN102282393A (en) * | 2009-01-13 | 2011-12-14 | 索尤若驱动有限及两合公司 | Transmission housing |
| CN101861846A (en) * | 2009-10-22 | 2010-10-20 | 吴为国 | Combined speed reduction box of water wheel aerator |
| CN201636301U (en) * | 2010-04-09 | 2010-11-17 | 石家庄中煤装备制造有限公司 | Drilling machine gearbox shell in punching structure |
| US20150013489A1 (en) * | 2011-11-30 | 2015-01-15 | Nabtesco Corporation | Reduction gear |
| CN207935391U (en) * | 2018-03-08 | 2018-10-02 | 浙江同心力机电科技有限公司 | A kind of speed reducer housing |
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