CN202179036U

CN202179036U - Waterwheel type aerator

Info

Publication number: CN202179036U
Application number: CN2011202037483U
Authority: CN
Inventors: 吴为国
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-16
Filing date: 2011-06-16
Publication date: 2012-04-04
Anticipated expiration: 2021-06-16

Abstract

The utility model belongs to aquaculture machinery and relates to a waterwheel type aerator which comprises an impeller, a floating body, a main machine, a transmission shaft and a bearing block, wherein the floating body adopts thin-wall stainless steel square tubes for connection, a hole for a bolt to penetrate through is machined on each square tube, more than two floating boats are combined to form the floating body in a way that the bolts penetrate through the holes on the square tubes, a reinforcing plate is arranged on the each hole of the square tube, grooves are arranged at the two sides of each floating boat, and the bolts are fixed in the grooves; the impeller consists of vanes and an impeller disc, a stop mechanism which is integrally formed with the impeller disc through injection molding is arranged on the impeller disc, one end of each elastic stop strip is integrally formed with the straight edge of the impeller disc through injection molding, the other end of each elastic stop strip is suspended in midair, after the vanes are assembled in position, the stop strips rest to prevent the vanes from dropping out.

Description

A kind of waterwheel aerator

Technical field

The present invention relates to aerator, particularly relate to a kind of waterwheel aerator.

Background technology

Aerator is the equipment that in the aquaculture fishes and shrimps is had lifesaving and growth encourage; The prior mechanical aerator mainly contains Waterwheel-type, vane type and water jet three major types type; Existing water-mill oxygen increasing machine major part is made up by a plurality of buoyancy aids; Be welded into support with angle steel, fixing pontoon below the support is installed main frame and bearing block on the support; Also useful thin-wall stainless steel square tube connects, but after the punching of stainless steel square tube, hole portion intensity reduces significantly and ruptures, so the stainless steel square tube can not be too thin, owing to stainless steel costs an arm and a leg, so manufacturing cost is higher.

Summary of the invention

The purpose of this invention is to provide the low firm again waterwheel aerator of a kind of cost.

The objective of the invention is to realize like this:

A kind of waterwheel aerator comprises impeller, buoyancy aid, main frame, power transmission shaft, bearing block, and buoyancy aid is connected by the stainless steel square tube of thin-walled; The hole of passing bolt is arranged on the square tube; Make the pontoon more than two be combined into buoyancy aid by bolt through the square tube hole, square tube has gusset plate above the hole, and gusset plate two Edge Bends wrap in the square tube both sides; The pontoon both sides are fluted, are bolted in the groove location; Main frame is stretched out by the output shaft level through spiral bevel gear and roller gear deceleration back by the electromotor of vertical installation, and output shaft is through the drive power transmission shaft that is flexible coupling, and impeller is installed on the power transmission shaft, and the power transmission shaft other end is by bearing block support; Impeller is made up of the blade and the impeller disk, the injection mo(u)lding separately of the blade and the impeller disk, and impeller disk middle part is provided with the axis hole that cooperates with power transmission shaft.

On the pontoon, bucker is arranged on the main frame during described main frame is installed in through the plastic supporting frame, air inlet is arranged on the bucker, respectively there is a groove both sides, bucker bottom, and the output shaft of reduction box is in groove; The ventilating duct that the synthetic hot blast of bucker groups of fins inboard and motor can not reflux; Or the bucker outside inboard and division board matches; Bucker has lid on the top, and the non-direction that meets water of lid has air intake passage, and bucker covers the top of main frame with the plastic supporting frame; Bearing block is installed on the pontoon of limit, is connected by two square tubes between pontoon and the pontoon.

Described blade is a corrugation shape blade, and corrugation shape blade is made up of blade body and blade installation portion, and the blade installation portion has the open slot that cooperates with impeller disk guide rail, and the blade and the impeller disk are by bolted.

The blade body of described corrugation shape blade is basic uniform thickness, and the corrugation more than three is radially arranged, and the groove of corrugation is at the working face of blade body, and the back side is the corrugation back of the body, has reinforcement to link to each other between each corrugation back of the body.

A kind of waterwheel aerator; Comprise impeller, buoyancy aid, main frame, power transmission shaft, bearing block; Described impeller is made up of the blade and the impeller disk; The injection mo(u)lding separately of the blade and the impeller disk, blade installation portion are provided with that T type guide rail matches on the C type chute and the impeller disk, and the stopping mechanism of injection mo(u)lding is together arranged on the impeller disk.

Described impeller stopping mechanism is: the impeller disk is polygonal window shape structure, and each straight flange of window shape is connected by spoke with the axis hole at center, and each straight flange is provided with T type guide rail; There is block the rear end of T type guide rail; The resilient stopping bar of the front end of T type guide rail, the straight flange of flexible stopping bar one end and the impeller disk is injection molded into one, and the other end is unsettled; Blade is seated back stopping bar and resets, and prevents that blade from withdrawing from.

Described impeller disk middle part is provided with the axis hole that cooperates with power transmission shaft; The outer wall of axis hole is shaped on the depression of putting nut and the hole through holding screw; The outer wall of axis hole has metallic sheath; Holding screw is fastened on impeller on the power transmission shaft through metallic sheath and nut, and holding screw is born by metallic sheath the active force of axle; Metallic sheath is to be stretched by corrosion resistant plate to process, and flange is arranged outward, and the anti-limit of endoporus increases the intensity of metallic sheath, metallic sheath distortion when reducing work.

Described bearing block is that height-adjustable bearing block mainly is made up of bearing block shell, bearing folder, bearing, latch; The bearing block shell has the slideway bearing to be contained in the bearing folder; Latch fixes on the bearing clamping in the slideway through pin hole and adjustment hole, and the short transverse of chute wall has two groups of adjustment holes at least.

The outer wall cylinder of the axis hole of the described impeller disk is shaped on the depression of putting nut, and the outer wall cylinder and the metallic sheath of axis hole are interference fit, cooperates the outer wall of the position of the no depression in position that a plurality of grooves are set.

Described pontoon both sides are provided with groove with square tube and main frame plastic supporting frame junction at least, and fastening bolt is arranged in the groove location of pontoon, and the width of the side of a ship of pontoon reduces, and the pontoon packaging volume is reduced; Groove improves the bearing capacity of pontoon, and there is locating hole at the two ends of pontoon, and metalwork is arranged in the locating hole.

The present invention compares prior art outstanding substantive distinguishing features and marked improvement:

1. can use very thin stainless steel square tube to connect pontoon, not load-bearing of square tube itself, after hole portion increased stiffener, the square tube wall thickness can be thinned to below the 1mm and not rupture; Stopping mechanism is simple in structure, easy to assembly;

2. most in the groove location of pontoon, the side of a ship width of pontoon can reduce fastening bolt, and the pontoon packaging volume is reduced, and groove improves the bearing capacity of pontoon;

3. corrugation shape blade radial corrugation water-sprinkling resistance is few, and the high raw material of intensity is economized;

4. bucker 4 groups of fins inboard and electromotor 31 are synthesized the ventilating duct that hot blast can not reflux; Or bucker 4 outsides inboard and division board 34 match; Division board 34 is arranged to one with fan guard and is not made the structure of hot air reflux to the air inlet of fan guard; Compared with present technology, the temperature rise of motor is descended significantly;

5. the external cylindrical surface of stainless steel reinforcing sleeve and trough of belt cooperates, and can make to be combined with the bigger magnitude of interference, and the axis hole of plastic impeller dish saves the cost of metal lining;

6. height-adjustable bearing block can make the impeller underwater penetration obtain adjustment, makes motor in the work of high efficiency point.

Description of drawings

Fig. 1 is the impeller disk of the present invention and blade assembling schematic perspective view;

Fig. 2 is a blade construction sketch map of the present invention;

Fig. 3 is the impeller disk structural representation of band stopping mechanism of the present invention;

Fig. 4 is an impeller cross-sectional schematic of the present invention;

Fig. 5 is the impeller disk of the present invention and corrugation shape blade assembling schematic perspective view;

Fig. 6 is an impeller assembling sketch map of the present invention;

Fig. 7 is a corrugation shape blade section sketch map of the present invention;

Fig. 8 is that square tube of the present invention is connected sketch map with gusset plate;

Fig. 9 is a gusset plate structural upright sketch map of the present invention;

Figure 10 is a metallic sheath schematic perspective view of the present invention;

Figure 11 is a metallic sheath cross-sectional schematic of the present invention;

Figure 12 is that the outer wall of impeller axis hole of the present invention has the depression partial schematic diagram of placing nut;

Figure 13 is pontoon of the present invention, square tube, gusset plate syndeton sketch map;

Figure 14 is a pontoon structural upright sketch map of the present invention;

Figure 15 is a bearing block sectional structure sketch map of the present invention;

Figure 16 is a bearing support part TV structure sketch map of the present invention;

Figure 17 is that the motor of aerator of the present invention prevents hot air reflux schematic representation of apparatus in the bucker;

Figure 18 is that the motor of aerator of the present invention prevents hot air reflux schematic representation of apparatus in the bucker;

Figure 19 is the perspective view of aerator of the present invention.

Among the figure: 1-impeller; 11-impeller disk; 111-T type guide rail; 112-stopping bar; 113-outer wall; 114-axis hole; 115-depression; 116-guide rail; 117-block; 118-spoke; 12-blade; 121-C type chute; 122-blade body; 13-corrugation shape blade; 131-blade installation portion; 132-open slot; 133-corrugation back of the body; 134-valley of corrugation; 14-holding screw; 15-nut; 16-metallic sheath; 161-cylindrical hole; 162-flange;

2-power transmission shaft;

3-main frame; 31-electromotor; 32-reduction box; 33-fan guard; 34-division board; 35-output shaft;

4-bucker; 41-lid; 42-air inlet; 43-air intake passage; 44-groove;

5-pontoon; 51-groove; 52-locating hole; 53-side of a ship;

6-square tube; 61-square tube hole; 62-gusset plate; 63-bolt;

7-bearing block; 71-bearing block shell; 72-bearing folder; 73-bearing; 74-latch; 75-adjustment hole;

8-bearing support;

9-be flexible coupling.

Embodiment

The present invention is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-19:

A kind of waterwheel aerator mainly comprises impeller 1, buoyancy aid, main frame 3, power transmission shaft 2, bearing block 7 etc., and buoyancy aid is connected by the stainless steel square tube 6 of thin-walled; Be shaped on square tube hole 61 on the square tube 6, make the pontoon 5 more than two be combined into buoyancy aid through the square tube hole, gusset plate 62 is arranged above the square tube hole 61 by bolt 63; Gusset plate two Edge Bends wrap in square tube 6 both sides, and the pontoon both sides are fluted 51, and bolt 63 is fixed in the groove location; Bolt is most in the groove location of pontoon; The side of a ship 53 width of pontoon can reduce, and pontoon 5 packaging volumes are reduced, and groove 51 improves the bearing capacity of pontoon; Through spiral bevel gear and the roller gear output shaft 35 that drive level in back stretches out that slows down, output shaft 9 drives power transmission shafts 2 through being flexible coupling to main frame 3 by the electromotor 31 of vertical installation, and impeller 1 is installed on the power transmission shaft, and the other end of power transmission shaft is by bearing block 7 supportings; Impeller 1 is made up of the blade 12 and the impeller disk 11; Injection molded, the impeller disk 11 middle parts are provided with the axis hole 114 that cooperates with power transmission shaft 2, and the outer wall 113 of axis hole is shaped on the depression 115 of putting nut 15 and the hole of passing through holding screw 14; Outer wall has metallic sheath 16; Holding screw 14 is fastened on impeller 1 on the power transmission shaft 2 through metallic sheath 16 and nut 15, and holding screw is born by metallic sheath 16 active force of power transmission shaft, not only firmly also saves the cost of the axis hole metal lining of plastic impeller dish.

On the pontoon 5, bearing block 7 was installed on the limit pontoon 5 in the middle of described main frame 3 was installed in through plastic supporting frame 8, was connected by two square tubes 6 between pontoon and the pontoon.Not load-bearing of square tube itself, available very thin stainless steel square tube connects pontoon, and after square tube hole portion increased stiffener, the square tube wall thickness can be thinned to below the 1mm and not rupture.

Bucker 4 is arranged on the described main frame, air inlet 42 is arranged on the bucker 4, respectively there is a groove 44 both sides, bucker bottom; The output shaft of reduction box 32 is in groove; The ventilating duct that the synthetic hot blast of the inboard groups of fins with electromotor 31 of bucker 4 can not reflux, or bucker 4 outsides inboard and division board 34 match and do not make hot air reflux, and bucker has lid 41 on pushing up; The non-direction that meets water of lid has air intake passage 43, and bucker 4 covers the top of main frame 3 with plastic supporting frame 8.The ventilating duct that the synthetic hot blast of described bucker 4 groups of fins inboard and electromotor 31 can not reflux; Or bucker 4 outsides inboard and division board 34 match; Division board 34 is arranged to one with fan guard and is not made the structure of hot air reflux to the air inlet of fan guard; Compared with present technology, the temperature rise of motor is descended significantly; Bucker 4 covers the top of main frame 3 with plastic supporting frame 8, and the bottom of having only plastic supporting frame 8 outside the cover can prevent the main frame corrosion.

Described blade shape is multiple, can be corrugation shape blade 13, and corrugation shape blade 13 is made up of blade body 122 and blade installation portion 131, and blade installation portion 131 has the open slot 132 with guide rail 116 cooperations of the impeller disk, and the blade and the impeller disk 11 are by bolted.The blade body of described corrugation shape blade 13 is basic uniform thickness, and the corrugation more than three is radially arranged, and valley of corrugation 134 is at the working face of blade body; The back side is the corrugation back of the body 133; Have reinforcement to link to each other between each corrugation back of the body, radially corrugation shape blade water-sprinkling resistance is few, and the high raw material of intensity is economized.

Can be provided with on the described blade installation portion 131 that T type guide rail 111 matches on C type chute 121 and the impeller disk; The stopping mechanism that injection mo(u)lding together can be arranged on the impeller disk 11.Described impeller stopping mechanism is: the impeller disk 11 is polygonal window shape structures, and each straight flange of window shape is connected by spoke 118 with the axis hole 114 at center, and each straight flange is provided with T type guide rail 111; There is block 117 rear end of T type guide rail; The resilient stopping bar 112 of the front end of T type guide rail, the straight flange of flexible stopping bar one end and the impeller disk 11 is injection molded into one, and the other end is unsettled; Blade is seated back stopping bar 112 and resets, and prevents that blade from withdrawing from.Stopping mechanism is simple in structure, easy to assembly, can be by user assembled, and the impeller packaging volume reduces.

Described metallic sheath 16 is to be stretched by corrosion resistant plate to process, and flange 162 is arranged outward, and the anti-limit of endoporus becomes the cylindrical hole 161 that matches with power transmission shaft, can increase the combined strength of metallic sheath 16 and power transmission shaft 2, and metallic sheath is out of shape when reducing work.

Described bearing block 7 is that height-adjustable bearing block mainly is made up of bearing block shell 71, bearing folder 72, bearing 73, latch 74; Bearing block shell 71 has slideway; Bearing 73 is contained in the bearing folder 72, and latch 74 is fixed on bearing folder 72 in the slideway through pin hole and adjustment hole 75, and the short transverse of chute wall has two groups of adjustment holes 75 at least; Height-adjustable bearing block can make the impeller underwater penetration obtain adjustment, makes motor in the work of high efficiency point.

The axis hole outer wall of the described impeller disk 11 is shaped on the depression 115 of putting nut 15, and outer wall 113 is interference fit with metallic sheath 16, cooperates the outer wall of the position of the no depression in position that a plurality of grooves are set, and can make to be combined with the bigger magnitude of interference.

Described pontoon 5 both sides are provided with groove 51 with square tube 6 and bearing support 8 junctions at least, and bolt 63 is arranged in groove 51 positions of pontoon 5, and the side of a ship 53 width of pontoon 5 reduce, and the pontoon packaging volume is reduced; Groove 51 improves the bearing capacity of pontoon; There is locating hole 52 at the two ends of pontoon 5, and metalwork is arranged in the locating hole, and locating hole does not does not wear and tear when aerator is located with Metallic rod.

The foregoing description is merely preferred embodiment of the present invention, is not to limit protection scope of the present invention according to this, so: all equivalences of doing according to structure of the present invention, shape, principle change, and all should be covered by within protection scope of the present invention.

Claims

1. OnePlant waterwheel aerator, comprise impeller, buoyancy aid, main frame, power transmission shaft, bearing block, it is characterized in that buoyancy aid is connected by the stainless steel square tube of thin-walled; The hole of passing bolt is arranged on the square tube; Make the pontoon more than two be combined into buoyancy aid by bolt through the square tube hole, square tube has gusset plate above the hole, and gusset plate two Edge Bends wrap in the square tube both sides; The pontoon both sides are fluted, are bolted in the groove location; Main frame is stretched out by the output shaft level through spiral bevel gear and roller gear deceleration back by the electromotor of vertical installation, and output shaft is through the drive power transmission shaft that is flexible coupling, and impeller is installed on the power transmission shaft, and the power transmission shaft other end is by bearing block support; Impeller is made up of the blade and the impeller disk, the injection mo(u)lding separately of the blade and the impeller disk, and impeller disk middle part is provided with the axis hole that cooperates with power transmission shaft.

2. a kind of waterwheel aerator as claimed in claim 1 is characterized in that main frame is installed on the middle pontoon through the plastic supporting frame, and bucker is arranged on the main frame, and air inlet is arranged on the bucker, and respectively there is a groove both sides, bucker bottom, and the output shaft of reduction box is in groove; The ventilating duct that the synthetic hot blast of bucker groups of fins inboard and motor can not reflux; Or the bucker outside inboard and division board matches; Bucker has lid on the top, and the non-direction that meets water of lid has air intake passage, and bucker covers the top of main frame with the plastic supporting frame; Bearing block is installed on the pontoon of limit, is connected by two square tubes between pontoon and the pontoon.

3. a kind of waterwheel aerator as claimed in claim 1; It is characterized in that described blade is a corrugation shape blade; Corrugation shape blade is made up of blade body and blade installation portion, and the blade installation portion has the open slot that cooperates with impeller disk guide rail, and the blade and the impeller disk are by bolted.

4. a kind of waterwheel aerator as claimed in claim 3; The blade body that it is characterized in that described corrugation shape blade is basic uniform thickness, and the corrugation more than three is radially arranged, and the groove of corrugation is at the working face of blade body; The back side is the corrugation back of the body, has reinforcement to link to each other between each corrugation back of the body.

5. a kind of waterwheel aerator as claimed in claim 1 is characterized in that described blade installation portion is provided with that T type guide rail matches on the C type chute and the impeller disk, has the stopping mechanism of injection mo(u)lding together on the impeller disk.

6. a kind of waterwheel aerator of stating like claim 5, it is characterized in that described impeller stopping mechanism is: the impeller disk is polygonal window shape structure, and each straight flange of window shape is connected by spoke with the axis hole at center; Each straight flange is provided with T type guide rail, and there is block the rear end of T type guide rail, the resilient stopping bar of the front end of T type guide rail; The straight flange of flexible stopping bar one end and the impeller disk is injection molded into one; The other end is unsettled, and blade is seated back stopping bar and resets, and prevents that blade from withdrawing from.

7. a kind of waterwheel aerator as claimed in claim 1; It is characterized in that described impeller disk middle part is provided with the axis hole that cooperates with power transmission shaft; The outer wall of axis hole is shaped on the depression of putting nut and the hole through holding screw; The outer wall of axis hole has metallic sheath, and holding screw is fastened on impeller on the power transmission shaft through metallic sheath and nut, and holding screw is born by metallic sheath the active force of axle; Metallic sheath is to be stretched by corrosion resistant plate to process, and flange is arranged outward, and the anti-limit of endoporus increases the intensity of metallic sheath, metallic sheath distortion when reducing work.

8. a kind of waterwheel aerator as claimed in claim 1; It is characterized in that described bearing block is that height-adjustable bearing block mainly is made up of bearing block shell, bearing folder, bearing, latch; The bearing block shell has the slideway bearing to be contained in the bearing folder; Latch fixes on the bearing clamping in the slideway through pin hole and adjustment hole, and the short transverse of chute wall has two groups of adjustment holes at least.

9. a kind of waterwheel aerator as claimed in claim 7 is characterized in that the outer wall cylinder of the axis hole of the impeller disk is shaped on the depression of putting nut, and the outer wall cylinder and the metallic sheath of axis hole are interference fit, cooperates the outer wall of the position of the no depression in position that a plurality of grooves are set.

10. like the arbitrary described a kind of waterwheel aerator of claim 1-9; It is characterized in that described pontoon both sides are provided with groove with square tube and main frame plastic supporting frame junction at least; Fastening bolt is arranged in the groove location of pontoon; The width of the side of a ship of pontoon reduces, and the pontoon packaging volume is reduced; Groove improves the bearing capacity of pontoon, and there is locating hole at the two ends of pontoon, and metalwork is arranged in the locating hole.