CN202664007U

CN202664007U - Paddle aerator

Info

Publication number: CN202664007U
Application number: CN 201220199750
Authority: CN
Inventors: 吴为国
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-07
Filing date: 2012-05-07
Publication date: 2013-01-16
Anticipated expiration: 2022-05-07

Abstract

The utility model relates to a paddle aerator which comprises a motor, a reduction box, an impeller, a support rod and a floating body, wherein the motor is vertically installed on the reduction box, an output shaft behind the reduction box protrudes downwards, a flange installed at the end portion of the aerator is connected with a fixing seat of the impeller, three connecting places are basically evenly arranged on the outer side of the reduction box, and the support rod is fixed on the connecting places. A connecting seat is provided with an inner hole corresponding to a steel tube, and the side face of the connecting seat is provided with a fixing hole which crosses with the inner hole. One side of the fixing hole is a hexagonal through hole, and the other side of the fixing hole is a circular through hole. A hexagon head of a hexagon bolt penetrates into the hexagonal through hole, the hexagon bolt enables the connecting seat and the steel tube to be fastened, the other end of the steel tube is provided with a fixing circle, and the fixing circle and the steel tube are fastened through base plates of the hexagonal through hole and the circular through hole and two screw bolts. At least one of the base plates of the two through holes is provided with a fixing ring. The support rod is connected with the connecting places through the flange of the connecting seat, and the floating body is fixed inside the fixing circle. A rope used for fixing the aerator is fixed inside the fixing ring, and the rope is hung on the metal fixing ring. The plastic fixing circle and the floating body are not affected by forces, and thus connection is reliable and firm.

Description

A kind of paddle aerator

Technical field

The present invention relates to aerator, particularly relate to a kind of paddle aerator, belong to fishery cultivating machinery.

Background technology

Aerator is the equipment that in the aquaculture fishes and shrimps is had lifesaving and growth encourage.Existing mechanical type aerator mainly contains Waterwheel-type, vane type and water jet three major types type, and wherein the use of paddle aerator is the widest, and the bracing or strutting arrangement of paddle aerator is a component part that belongs to paddle aerator.One end of the support bar of common paddle aerator is welded with the flange other end and is welded with the ball float retainer ring that an iron sheet is made, easily get rusty and complex process after the welding, also there is the support of plastic solid fixed ring not need welding, such as patent: ZL200620008985.3, but this aerator in use user is hung in the fixing rope of aerator position on plastic solid fixed ring or the plastic floating ball, because the limited easy damage of intensity of plastics.

Summary of the invention

The objective of the invention is to overcome the deficiency of prior art, provide a kind of the welding and support bar is connected reliable paddle aerator with gear-box.

The object of the present invention is achieved like this:

A kind of paddle aerator, comprise motor, reduction box, impeller, support bar, buoyancy aid, motor is vertically mounted on the reduction box, output shaft after the deceleration stretches out downwards, the end has flange to be connected with impeller, there is the uniform connecting position of three basic in the reduction box outside, support bar is fixed on the connecting position, support bar is by steel pipe, Connection Block, retainer plate, retainer ring combines, Connection Block has the endoporus that cooperates with steel pipe, there is the locating hole that intersects with endoporus the side, one side of locating hole is the hexagonal through hole, and another side is round tube hole, and the turret head of hex bolts enters the hexagonal through hole, hex bolts makes Connection Block and steel pipe fastening, the other end of steel pipe has retainer plate, and retainer plate and steel pipe have the backing plate in two holes at least with retainer ring by backing plate and two bolted in two holes, support bar is fixed on the connecting position by the flange of Connection Block, and buoyancy aid is fixed in the retainer plate.

Described retainer ring is cut into shape by steel plate stamping and goes out three holes, wherein passes bolt in two holes steel pipe is connected reliably with the plastics retainer plate, and another hole is as retainer ring, and fixedly the rope of aerator is fixed in the retainer ring.

Described retainer ring is made into bridge shape, and two is porose, pass bolt in the hole steel pipe be connected reliably with the plastics retainer plate, in the middle of the position of arching upward as retainer ring, fixedly the rope of aerator is fixed in the retainer ring.

Described upper lower bolster is connected, and connecting portion is as retainer ring, and fixedly the rope of aerator is fixed in the retainer ring.

The housing of described Connection Block and reduction box is made one.

Described impeller comprises bullet, blade, holder, bullet is small top and big bottom, holder is in bullet, the connecting hole that has the flange with the output shaft of aerator to match on the holder, there are a plurality of blades in the outside of bullet, blade and bullet inclination combination, there is the bat water plate that substantially is vertically to the bullet upper surface upper end in the bullet outside, claps the working face C of water plate and the working face A of blade and seamlessly transits; The impeller single injection-molded, bullet is connected by gripper shoe with holder, and gripper shoe is divided into upper backup pad and lower supporting plate, under the upper backup pad window is arranged; The lower supporting plate annular is distributed in the lower end of bullet, and lower supporting plate has window; There is the dash filter screen lower end of bullet, and the dash filter screen can prevent that foreign material from entering in the bullet, and the output of output shaft has flange, the holder bolted of flange and impeller.

Described reduction box by: casing, loam cake, double-reduction gear, bearing, output shaft form, casing, loam cake are formed by alloy aluminum die casting, respectively there is three basic the junction of casing and loam cake with the uniform half slot that support bar is installed of three equal parts, or rectangular channel, support bar is installed in the circular hole or rectangular channel of loam cake and casing two half slots composition; Casing and loam cake seal with bolted, driving gear is contained on the motor shaft, drives the one-level driven gear, the secondary driven gear on the coaxial drive output shaft of one-level driven gear and shaft gear, the upper end bearing of shaft gear is in the bearing chamber of loam cake, and bottom end bearing is in the bearing chamber of casing; Output shaft after the deceleration stretches out downwards, and there is closed chamber the casing lower end, and closed chamber and casing are made one, the in-built oil sealing of closed chamber or mechanical seal.

Described bullet separates with holder, bullet, blade, bat water plate, dash filter screen integrated injection molding, and bullet and holder are assembled into impeller.

The output of described output shaft is installed mechanical seal, and mechanical seal is comprised of stainless steel cage, plastic seal chamber and sealing block, and sealing block divides motion block and decides piece, and is calmly packaged indoor in plastic seal, and plastic seal is outdoor stainless steel cage.

Described holder and flange connecting portion are with the hexagonal recess of the turret head of placing bolt; Described flange can be by the alloy aluminum casting forming, flange is made one by cover and the flange body of tubular, flange body has fixing hole, the cover of flange body and tubular has reinforcing strip, a part of hollow out of reinforcing strip and flange body, and the lower end of the cover endoporus of tubular is the flat horizontal surface in hole, the flat horizontal surface of axle also is arranged in the bottom of output shaft, the flat horizontal surface of axle and the flat horizontal surface in hole match, groove processed on the output shaft, and the holding screw of flange axial location props up tightly in groove.

Substantive distinguishing features and marked improvement that the present invention gives prominence to compared to existing technology are:

1. the method for attachment of the reduction box of paddle aerator of the present invention and support bar, the support bar welding that has solved existing aerator is got rusty and the plastics retainer plate is connected insecure deficiency with steel pipe, make to connect reliably firmly, welding is difficult for getting rusty, coating steel pipe easy to use.The turret head of hex bolts and the hexagon ring of Connection Block cooperate, and and then rotation of hex bolts can also prevent that hex bolts is by the coating steel pipe stretch bending when preventing clamp nut; Rope is hung on the metal retainer ring, and plastics retainer plate and buoyancy aid do not stress, and connects firmly reliable.

2. the upper end of the injection molding impeller of aerator installs bat water plate straight up additional, and the working face of the current that blade drives through clapping the water plate upwards splashes, and makes that spray increases, water body becomes loose, increase and air connect place's face raising oxygenation effect.

3. the dash filter screen of the impeller of aerator can prevent that not only foreign material and fishes and shrimps from entering bullet, also can change dash filter screen discharge area, and regulates water flow, makes load and the power of motor coupling of aerator.

4. and then rotation of hex bolts when the holder of impeller and flange connecting portion prevent clamp nut with the hexagonal recess of the turret head of placing bolt.

Description of drawings

Fig. 1 is backing plate of the present invention and retainer ring one schematic diagram;

Fig. 2 is backing plate of the present invention and bridge shape retainer ring one schematic diagram;

Fig. 3 is the retainer ring schematic diagram that upper lower bolster of the present invention links into an integrated entity;

Fig. 4 is support bar of the present invention, retainer plate, backing plate, retainer ring package assembly schematic diagram;

Fig. 5 is support bar of the present invention, retainer plate, backing plate, retainer ring package assembly schematic diagram;

Fig. 6 is that support bar of the present invention, retainer plate, backing plate, retainer ring, Connection Block are analysed and observe the package assembly schematic diagram;

Fig. 7 is the structural representation of Connection Block of the present invention;

Fig. 8 is injection moulding integral wheel stereogram of the present invention;

Fig. 9 is injection moulding integral wheel schematic diagram of the present invention;

Figure 10 is injection moulding integral wheel of the present invention and dash filter screen assembling schematic diagram;

Figure 11 is the cross-sectional schematic of injection moulding integral wheel of the present invention;

Figure 12 is bullet of the present invention, blade, bat water plate, dash filter screen integrative-structure schematic diagram;

Figure 13 is holder stereogram of the present invention;

Figure 14 is injection moulding integral wheel schematic diagram of the present invention;

Figure 15 is the casing external form stereogram of aerator reduction box of the present invention;

Figure 16 is the interior type stereogram of the casing of aerator reduction box of the present invention;

Figure 17 is the loam cake stereogram of aerator reduction box of the present invention;

Figure 18 is the loam cake stereogram of aerator reduction box of the present invention;

Figure 19 is reduction box casing schematic diagram of the present invention;

Figure 20 is the assembly structure schematic diagram (output shaft is equipped with oil sealing) of motor of the present invention and reduction box;

Figure 21 is the assembly structure schematic diagram (output shaft is equipped with mechanical seal) of motor of the present invention and reduction box;

Figure 22 is the partial enlarged drawing of Figure 21 " D ";

Figure 23 is the structural representation of aerator aluminium die casting reduction box of the present invention;

Figure 24 is aerator structural representation of the present invention;

Figure 25 is the blue schematic perspective view of aluminium injection moulding of the present invention;

Figure 26 is aluminium injection moulding orchid of the present invention and output shaft schematic diagram.

Among the figure: the 1-loam cake; The 2-casing; 3-loam cake half slot; 4-casing half slot; The 5-driving gear; 6-one-level driven gear; The 7-shaft gear; 8-secondary driven gear; The 9-oil sealing; The 10-output shaft; The 11-bearing; The 12-bearing; The 13-pivot flange; The 14-bearing chamber; 15-hexagonal through hole; The 16-tank filler sleeve; The 17-upper end; The 18-lower end; The 19-buoyancy aid; The 20-retainer plate; The 21-support bar; The 22-hex bolts; The 23-bolt; The 24-hexagonal recess; The 25-connecting position; The 26-motor shaft; The 27-motor; The 28-motion block; 29-plastic seal chamber; 30-claps the water plate; The 31-bullet; The 32-blade; The 33-holder; The 34-upper backup pad; 35-lower supporting plate; The 36-window; The 37-window; The 38-reinforcement; The 39-window; The 40-connecting hole; 41-decides piece; 42-dash filter screen; The stainless steel cage of 43-; The 44-flange; The 45-backing plate; The 46-retainer ring; The 47-Connection Block; The 48-round tube hole; The 49-endoporus; The 50-flange; The 51-groove; The flat horizontal surface of 52-output shaft; The cover of 53-tubular; The 54-flange body; The 55-fixing hole; The 56-reinforcing strip; The 57-hollow out; The 58-flat horizontal surface; The 59-endoporus; The 60-holding screw.

Embodiment

The invention will be further described with specific embodiment for the below, referring to Fig. 1-2 6:

A kind of paddle aerator, comprise motor 27, reduction box, impeller, support bar 21, buoyancy aid 19, motor 27 is vertically mounted on the reduction box, output shaft 10 after the deceleration stretches out downwards, the end has flange 44 to be connected holder 33 with impeller to connect, there is the uniform connecting position of three basic 25 in the reduction box outside, support bar 21 is fixed on the connecting position 25, support bar 21 is by steel pipe, Connection Block 47, retainer plate 20, retainer ring 46 combines, Connection Block 47 has the endoporus 49 that cooperates with steel pipe, there is the locating hole that intersects with endoporus 49 side, one side of locating hole is hexagonal through hole 15, and another side is round tube hole 48, and the turret head of hex bolts enters hexagonal through hole 15, hex bolts 22 makes Connection Block 47 and steel pipe fastening, the other end of steel pipe has retainer plate 20, and retainer plate and steel pipe have the backing plate in two holes at least with retainer ring 46 by backing plate 45 and two bolted in two holes, support bar 21 is fixed on the connecting position 25 by the flange 50 of Connection Block, and buoyancy aid 19 is fixed in the retainer plate 20; Fixedly the rope of aerator is fixed in the retainer ring 46.The form of retainer ring 46 is multiple, does not make the working of plastics such as retainer plate and buoyancy aid stressed on the steel pipe as long as be fixed on.

Described retainer ring 46 can be cut into shape and be gone out three holes by steel plate stamping, wherein passing bolt in two holes makes steel pipe be connected with the plastics retainer plate to connect reliable, another hole is as retainer ring 46, rope can be passed in the aperture, anti-frontier defense ends the sharp rope that cuts off of metallic plate in the hole, and fixedly the rope of aerator is fixed in the retainer ring 46; Retainer ring 46 can also be made into bridge shape, and two is porose, passes bolt in the hole and makes steel pipe be connected connection with the plastics retainer plate reliably, in the middle of the position of arching upward as retainer ring 46, the position bending of arching upward prevents the sharp rope that cuts off of metallic plate, and fixedly the rope of aerator is fixed in the retainer ring 46; Retainer ring can also be gone up lower bolster 45 and be connected, and connecting portion is as retainer ring 46, and two Edge Bends of connecting portion prevent the sharp rope that cuts off of metallic plate, and fixedly the rope of aerator is fixed in the retainer ring 46.

The impeller of described aerator, comprise bullet 31, blade 32, holder 33, the impeller single injection-molded, 17 large lower ends 18, bullet 31 upper ends are little, holder 33 in bullet 31, the connecting hole 40 that has the flange 44 with the output shaft of aerator to match on the holder 33, the holder 33 of connecting hole 40 peripheries is provided with hexagonal recess 24, the turret head of bolt is placed on hexagonal recess 24, and bolt is and then put and turned when preventing fastening nut.There are a plurality of blades 32 in the outside of bullet 31, blade 32 and bullet 31 inclination combinations, there is the bat water plate 30 that substantially is vertically to the bullet upper surface upper end 17 in bullet 31 outsides, clapping the working face C of water plate and the working face A of blade seamlessly transits, the working face C of current through clapping the water plate that blade 32 drives upwards splashes, make that spray increases, water body becomes loose, increase and air connect place's face raising oxygenation effect.

Bullet 31 and holder 33 are connected by gripper shoe, gripper shoe is divided into upper backup pad 34 and lower supporting plate 35, upper backup pad has window 36 34 times, window 36 designs for mould structure, effect beyond it is expected is that the water body in the bullet 31 is outwards flowed by window, increase the water body exchange capacity, improve oxygenation efficient.

Lower supporting plate 35 annulars are distributed in the lower end 18 of bullet, and the cross section of direction of rotation is few, and dash is few during rotation, and make product firm, and lower supporting plate 35 has window 39, increase the water body exchange capacity.

The back surface B of blade has reinforcement 38 support blades, is shaped with window 37 in the space of reinforcement 38, increases the water body exchange capacity, and the thickening of window 37 edges makes window firm.

There is dash filter screen 42 lower end 18 of bullet, and dash filter screen 42 can prevent that not only foreign material and fishes and shrimps from entering bullet 31, also can change dash filter screen 42 discharge areas, and regulates water flow, makes load and the power of motor coupling of aerator.

The bullet 31 of impeller can with holder 33 separate machined, make mould structure simple, bullet 31, blade 32, clap water plate 30, dash filter screen 42 integrated injection moldings, bullet 31 is assembled into impeller with holder 33.

Described aerator also comprises motor 27, reduction box, buoyancy aid 19, support bar 21, impeller, described reduction box by: casing 2, loam cake 1, double-reduction gear, bearing, output shaft 10 form, casing 2, loam cake 1 alloy aluminum die casting form, respectively there is three basic the junction of casing 2 and loam cake 1 with the uniform half slot that support bar 21 is installed of three equal parts, or rectangular channel, support bar 21 is installed in the circular hole or rectangular channel of loam cake 1 and 2 liang of half slots compositions of casing; Casing 2 and loam cake 1 usefulness bolt 23 fit sealings, the driving gear 5 of secondary transmission gear is contained on the motor shaft 26, drive one-level driven gear 6, one-level driven gear and shaft gear 7 combinations drive secondary driven gear 8, the upper end bearing 12 of shaft gear 7 is in the bearing chamber of loam cake 1, bottom end bearing 11 is in the bearing chamber 14 of casing 2, and bearing chamber 14 outer ends are sealed, and can save bearing cap; There is closed chamber casing 2 lower ends, and closed chamber and casing 2 are made one, the in-built oil sealing of closed chamber or mechanical seal; The output of output shaft 10 has flange 44, and the connecting hole 40 of the holder of flange and impeller is used bolted.

Alloy aluminum die casting reduction box weight decrease, the less buoyancy aid of other end available volume of support bar 21, can make flat to buoyancy aid, aerator is kept afloat, water (flow) direction opposing parallel when making the work of flat horizontal surface and aerator, buoyancy aid improves oxygenation efficient to the drag reduction of current when making aerator work.

The output of output shaft 10 can be installed mechanical seal, and mechanical seal is comprised of stainless steel cage 43, plastic seal chamber 29 and sealing block, and sealing block divides motion block 28 and decides piece 41, decides piece 41 and is contained in the plastic seal chamber 29, and plastic seal is outdoor stainless steel cage 43.

The turret head of hex bolts 22 passes the hexagonal through hole 15 of loam cake 1, hex bolts and nut make casing 2 and support bar 21 fastening, the hexagonal through hole 15 of the turret head of hex bolts 22 and casing cooperates, and then rotation of hex bolts can also prevent hex bolts 22 supported bar 21 stretch bendings when preventing clamp nut; Respectively there is pivot flange 13 junction of casing 2 and loam cake 1, and pivot flange 13 improves the twisting resistance intensity of half slot in the both sides of half slot.

Described flange 44 can be by the alloy aluminum casting forming, flange is made one by cover 53 and the flange body 54 of tubular, flange body 54 has 3-6 fixing hole 55, flange body 54 can be done triangularity, square, the difformities such as circle, the cover 53 of flange body 54 and tubular has reinforcing strip 56, the bottom hollow out 57 of reinforcing strip 56 and flange body 54, make the even weight reduction of flange 44 wall thickness, the lower end of cover 53 endoporus 59 of tubular is the flat horizontal surface 58 in hole, the flat horizontal surface 52 of axle also is arranged in the bottom of output shaft 10, the flat horizontal surface 52 of axle and the flat horizontal surface 58 in hole match, save the trouble of key and keyway processing, groove 51 processed on the

output shaft

10,60 of the holding screws of flange axial location are tightly in groove 51.

Above-described embodiment is one of preferred embodiment of the present invention only, is not to limit according to this protection scope of the present invention, therefore: 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. paddle aerator, comprise motor, reduction box, impeller, support bar, buoyancy aid, it is characterized in that: motor is vertically mounted on the reduction box, output shaft after the deceleration stretches out downwards, the end has flange to be connected with impeller, there is the uniform connecting position of three basic in the reduction box outside, support bar is fixed on the connecting position, support bar is by steel pipe, Connection Block, retainer plate, retainer ring combines, Connection Block has the endoporus that cooperates with steel pipe, there is the locating hole that intersects with endoporus the side, one side of locating hole is the hexagonal through hole, and another side is round tube hole, and the turret head of hex bolts enters the hexagonal through hole, hex bolts makes Connection Block and steel pipe fastening, the other end of steel pipe has retainer plate, and retainer plate and steel pipe have the backing plate in two holes at least with retainer ring by backing plate and two bolted in two holes, support bar is fixed on the connecting position by the flange of Connection Block, and buoyancy aid is fixed in the retainer plate.

2. a kind of paddle aerator as claimed in claim 1, it is characterized in that: described retainer ring is cut into shape by steel plate stamping and goes out three holes, wherein passing bolt in two holes makes steel pipe be connected reliably with the plastics retainer plate, another hole is as retainer ring, and fixedly the rope of aerator is fixed in the retainer ring.

3. a kind of paddle aerator as claimed in claim 1, it is characterized in that: described retainer ring is made into bridge shape, and two is porose, passes bolt in the hole steel pipe is connected reliably with the plastics retainer plate, in the middle of the position of arching upward as retainer ring, fixedly the rope of aerator is fixed in the retainer ring.

4. a kind of paddle aerator as claimed in claim 1, it is characterized in that: described upper lower bolster is connected, and connecting portion is as retainer ring, and fixedly the rope of aerator is fixed in the retainer ring.

5. as claimed in claim 1 or 2 or 3 or 4 a kind of paddle aerator, it is characterized in that: the housing of Connection Block and reduction box is made one.

6. a kind of paddle aerator as claimed in claim 1, it is characterized in that: impeller comprises bullet, blade, holder, bullet is small top and big bottom, holder is in bullet, the connecting hole that has the flange with the output shaft of aerator to match on the holder, there are a plurality of blades in the outside of bullet, blade and bullet inclination combination, there is the bat water plate that substantially is vertically to the bullet upper surface upper end in the bullet outside, claps the working face C of water plate and the working face A of blade and seamlessly transits; The impeller single injection-molded, bullet is connected by gripper shoe with holder, and gripper shoe is divided into upper backup pad and lower supporting plate, under the upper backup pad window is arranged; The lower supporting plate annular is distributed in the lower end of bullet, and lower supporting plate has window; There is the dash filter screen lower end of bullet, and the dash filter screen can prevent that foreign material from entering in the bullet, and the output of output shaft has flange, the holder bolted of flange and impeller.

7. a kind of paddle aerator as claimed in claim 5, it is characterized in that: reduction box by: casing, loam cake, double-reduction gear, bearing, output shaft form, casing, loam cake are formed by alloy aluminum die casting, respectively there is three basic the junction of casing and loam cake with the uniform half slot that support bar is installed of three equal parts, or rectangular channel, support bar is installed in the circular hole or rectangular channel of loam cake and casing two half slots composition; Casing and loam cake seal with bolted, driving gear is contained on the motor shaft, drives the one-level driven gear, the secondary driven gear on the coaxial drive output shaft of one-level driven gear and shaft gear, the upper end bearing of shaft gear is in the bearing chamber of loam cake, and bottom end bearing is in the bearing chamber of casing; Output shaft after the deceleration stretches out downwards, and there is closed chamber the casing lower end, and closed chamber and casing are made one, the in-built oil sealing of closed chamber or mechanical seal.

8. a kind of paddle aerator as claimed in claim 6, it is characterized in that: bullet separates with holder, bullet, blade, dash filter screen integrated injection molding, bullet and holder are assembled into impeller.

9. a kind of paddle aerator as claimed in claim 1, it is characterized in that: the output of output shaft is installed mechanical seal, mechanical seal is comprised of stainless steel cage, plastic seal chamber and sealing block, sealing block divides motion block and decides piece, fixed packaged indoor in plastic seal, plastic seal is outdoor stainless steel cage.

10. a kind of paddle aerator as claimed in claim 6 is characterized in that: described holder and flange connecting portion are with the hexagonal recess of the turret head of placing bolt; Described flange can be by the alloy aluminum casting forming, flange is made one by cover and the flange body of tubular, flange body has fixing hole, the cover of flange body and tubular has reinforcing strip, a part of hollow out of reinforcing strip and flange body, and the lower end of the cover endoporus of tubular is the flat horizontal surface in hole, the flat horizontal surface of axle also is arranged in the bottom of output shaft, the flat horizontal surface of axle and the flat horizontal surface in hole match, groove processed on the output shaft, and the holding screw of flange axial location props up tightly in groove.