CN102334461B

CN102334461B - Device for preventing hot air from flowing back in water shield of aerator and impeller aerator

Info

Publication number: CN102334461B
Application number: CN2011100706073A
Authority: CN
Inventors: 吴为国
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-20
Filing date: 2011-03-23
Publication date: 2013-11-27
Anticipated expiration: 2031-03-23
Also published as: CN202011789U; CN102334460A; CN102334461A; CN102336478B; CN202005207U; CN102285724A; CN201952291U; CN102336478A; CN102285724B; CN202005206U; CN102334460B

Abstract

The invention belongs to the technical field of aerators, and relates to an impeller aerator provided with a device for preventing hot air from flowing back in a water shield. A motor is arranged in a shell consisting of a conical body and the water shield; a supporting base of the motor is connected with the shell; a motor shaft is connected with an impeller shaft and vertically extends into water downward; a motor body is positioned over the horizontal pane; an isolation device for preventing the hot air of the motor from upward flowing back and entering a fan guard of the motor is arranged between the water shield and the motor so as to ensure that the hot air formed after the heat exchange of a cooling fan and radiating fins is not returned to the fan guard of the motor and the temperature of the motor is greatly reduced; the supporting base is connected with supporting rods; and the other end of each of the supporting rods is provided with a floating body respectively. The complete machine floats on the water surface to work through the floating bodies, and a water body lifted by an impeller is guided to various directions by using the conical body so as to ensure that lower-layer water fills a vacancy, so that the aim of oxygen increase is fulfilled through the convection of the water body. Structures such as gears, reduction gearboxes and the like which are required in the prior art are abandoned, lubricating oil is not required to be filled, the oil leakage is effectively prevented from polluting fishing ponds, and the production cost is reduced.

Description

In the bucker of aerator, prevent device and the paddle aerator of hot air reflux

Technical field

The present invention relates to aerator, particularly relate to the paddle aerator that prevents the hot air reflux device in a kind of bucker.

Background technology

Aerator is in aquaculture, fishes and shrimps to be had the equipment of lifesaving and growth encourage, existing mechanical type aerator mainly contains Waterwheel-type, vane type and water jet three major types type, on existing aerator motor, bucker is arranged, internal air circulation or part internal air circulation in bucker, radiating condition is bad, motor can not be operated at full capacity, and particularly makes the interior bearing ratio of upper end cover of motor be easier to damage; Existing paddle aerator has gear reduction, and complex structure, heaviness, cost are high.

Summary of the invention

The objective of the invention is to solve the deficiency of existing aerator, provide in a kind of bucker of aerator device and the paddle aerator that prevents hot air reflux arranged.

The object of the present invention is achieved like this:

In the bucker of aerator, prevent the device of hot air reflux, include motor and bucker, the motor at right angle setting, on the motor shaft that stretch out the motor upper end, cooling fan is installed, cooling fan has fan guard outward, and a plurality of fin are arranged on motor casing, and fan guard and motor casing are provided with bucker outward, the top of bucker has air inlet, surrounding bottom that the air-out window is arranged, and between bucker and motor, is provided with and prevents that the motor heat wind direction from flowing to the spacer assembly into motor fan housing last time.

Above-mentioned spacer assembly is a division board, matches with the inwall of bucker in the outside of division board, matches with the outer wall of fan guard in the inboard of division board; Described fan guard and division board are the integral type structure, with the junction of bucker, are provided with annular slab on division board.

Above-mentioned bucker, fan guard and division board are the integral type structure.

In above-mentioned bucker, prevent the paddle aerator of hot air reflux device, mainly comprise buoyancy aid, motor, impeller shaft, impeller, bullet and bucker, it is characterized in that motor is contained in the housing of bullet and bucker composition, motor connects housing by supporting base, between bucker and motor, has and prevents that the motor heat wind direction from flowing to the spacer assembly into motor fan housing last time; Motor shaft is equipped with impeller vertically downward, the support bar of three above circumferential arrangement that the supporting base horizontal direction is connected with, and the outer end of support bar respectively is connected with a buoyancy aid.

Above-mentioned supporting base and the bottom end cover of motor are integral type structure or split-type structural, and supporting base level and circumferential arrangement have three inserted link holes that coordinate support bar; One end of the support bar of being made by metal tube is fastened in the inserted link hole of supporting base, the other end is connected with buoyancy aid by retainer ring.

On above-mentioned motor shaft, being connected with impeller is: impeller directly is installed on motor shaft; Or motor shaft is connected with impeller shaft by shaft joint, impeller is installed on impeller shaft, and described impeller shaft is the pipe of hollow, on impeller shaft, is shaped with tank or water hole, on the impeller shaft cylindrical, be provided with water lubriucated bearing, water lubriucated bearing is arranged in the bearing chamber of bullet bottom.

The inserted link hole outer wall of above-mentioned supporting base has connecting plate, the through hole that connects bullet is arranged on connecting plate, described bullet is the housing of hollow, by injection moulding or casting forming, bullet top have one section cylindrical, cooperation position with bucker is arranged at columniform top, the bullet bottom is the bullet that straight line or curve are rotated into, in bullet, be provided with the installation position and the installing hole that with supporting base, are connected, bullet and supporting base screw fastening, bullet and inserted link hole relative position have the inserted link through hole by support bar; The fastening through-hole intersected with the inserted link hole is arranged on supporting base, with trip bolt, pass fastening through-hole support bar and supporting base are fastenedly connected, air inlet is arranged at described bucker top, and air inlet has lid on top, the surrounding of bucker has the air-out window, and air-out window surrounding has water fender and gutter channel.

The blade of above-mentioned impeller is connected on blade seat, blade seat is connected to form in bottom by urceolus and inner core, between inner core and urceolus, reinforcement is arranged, and inner core coordinates with impeller shaft and uses the lateral pin socket connection.

Above-mentioned shaft joint forms by axle sleeve and with the flexible rubber hose that clip is connected on axle sleeve, the outer end of axle sleeve is connected with motor shaft, the outer end of flexible rubber hose is by the top clamping of clip and impeller shaft, and is provided with anti-skid structure on the faying face of flexible rubber hose with the axle sleeve of clip clamping; Or described shaft joint is: impeller shaft top is the installation position that the equal hole enlargement of internal-and external diameter forms, the cylindrical of the location division of axle sleeve bottom matches with the inner circle of installation position, flexible rubber hose entangles installation position and the axle sleeve of impeller shaft simultaneously, the upper end that is stuck in flexible rubber hose with a clip is motor shaft and flexible rubber hose chucking, with another clip, is stuck on flexible rubber hose corresponding outside the impeller shaft of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion.

Above-mentioned buoyancy aid is hollow blow molding spare, and described buoyancy aid is spherical ball float, on spherical ball float mouth, retaining ring is arranged, and floating ball cap is spirally connected by the screw thread under retaining ring and spherical ball float, and retaining ring and ball float upper part of the cover inwall have the space of backwater; The be connected retainer ring of use of described support bar and ball float is moulding, and retainer ring is arranged on backing plate and the bolted of the outer rafter of support bar with two holes; Or described buoyancy aid is the flat ball float that there is plane on both sides, the neck of flat ball float has convex tendon, and the groove on the retainer ring inwall of support bar and flat ball float location use coordinates with convex tendon, makes the plane of flat ball float and the axis parallel of support bar.

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

1. in the bucker of aerator, prevent the device of hot air reflux, the hot blast that makes to form after the hot intersection of cooling air and fin no longer is back in motor fan housing, and motor temperature is declined to a great extent;

2. abandoned in prior art structures such as needing gear, reduction box, the complete machine cost is significantly reduced;

3. of the present inventionly without the deceleration paddle aerator, do not need charging-up lubricant oil, effectively prevent the oil leaking pollution fishing pool;

4. of the present invention simple in structure without the deceleration paddle aerator, major part, by plastics and aluminium die cast, is realized without cutting and few machining.

The accompanying drawing explanation

Fig. 1 is of the present invention without deceleration paddle aerator perspective view;

Fig. 2 is of the present invention without deceleration paddle aerator schematic diagram (electric motor end cap and supporting base one);

Fig. 3 is the local enlarged diagram of Fig. 2;

Fig. 4 is of the present invention without deceleration paddle aerator schematic diagram (electric motor end cap and supporting base split);

Fig. 5 is the structural representation of supporting base of the present invention;

Fig. 6 is float structure schematic diagram of the present invention;

Fig. 7 is the local enlarged diagram of Fig. 6;

Fig. 8 is waterproof cover structure schematic diagram of the present invention;

Fig. 9 is bullet structural representation of the present invention;

Figure 10 is linear cone schematic diagram of the present invention;

Figure 11 is shaped form cone schematic diagram of the present invention;

Figure 12 is supporting base of the present invention and electric motor end cap integrative-structure schematic diagram;

Figure 13 is blade wheel structure schematic diagram of the present invention;

Figure 14 is flat floating ball structure schematic diagram of the present invention;

Figure 15 is support bar of the present invention and retainer ring assembling schematic diagram;

Figure 16 is fan guard of the present invention and division board integrative-structure schematic diagram;

Figure 17 is fan guard of the present invention and division board integrative-structure schematic diagram;

Figure 18 is division board schematic perspective view of the present invention;

Figure 19 is the schematic diagram (fan guard and division board one) that the motor of aerator of the present invention prevents the hot air reflux device;

Figure 20 is the schematic diagram (bucker, fan guard, division board one) that the motor of aerator of the present invention prevents the hot air reflux device;

Figure 21 is the schematic diagram (fan guard and division board split) that the motor of aerator of the present invention prevents the hot air reflux device.

In figure: 1-motor; 11-motor shaft; 12-fan guard; 121-annular slab; 122-stiffener; 123-fixing hole; 124-division board; 13-fan;

2-supporting base; 21-bottom end cover; 22-connecting plate; 23-through hole; 24-upper hole; 25-inserted link hole; 26-bearing chamber; 27-bottom hole;

3-bullet; 31-location wall; 32-inserted link through hole; 33-installing hole; 34-installation position; 35-bearing chamber; 36-cylindrical; 37-straight line; 38-curve; 39-flange; 40-hollow-out parts;

4-bucker; 41-air-out window; 42-gutter channel; 43-water fender; 44-lid; 45-air inlet;

5-connector; 51-axle sleeve; 511-location division; 52-flexible rubber hose; 53-clip; 54-anti-slip tank;

6-buoyancy aid; 61-flat ball float; 611-plane; 612-convex tendon; 613-neck; 614-screw thread; 615-retaining ring; 62-retainer ring; 621-groove; 622-backing plate; 63-floating ball cap;

7-impeller; 71-urceolus; 72-inner core; 73-blade; 74-breach; 75-reinforcement;

8-impeller shaft; 81-excessively tanks; 82-wide diameter portion; 83-installation position; 84-lateral pin; 85-water lubriucated bearing;

9-support bar.

Embodiment

The invention will be further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2 1:

In the bucker of aerator, prevent the device of hot air reflux, mainly by motor 1, bucker 4, air inlet 45, air-out window 41 compositions such as grade, motor 1 at right angle setting, cooling fan 13 is installed on the motor shaft that stretch out the motor upper end, fan guard 12 is arranged outside cooling fan 13, a plurality of fin are arranged on motor casing, bucker 4 is arranged outward, air inlet 45 is arranged on bucker, air-out window 41 is arranged at the surrounding bottom of bucker, between bucker 4 and motor 1, have and prevent that the motor heat wind direction from flowing to the spacer assembly into motor fan housing 12 last time, the hot blast formed after cooling fan and fin heat exchange no longer is back in motor fan housing 12, motor 1 temperature is declined to a great extent.

Described spacer assembly is that fan guard 12 arranged outside have division board 124, and the inwall of the outside of division board 124 and bucker 4 matches, and the outer wall of the inboard of division board 124 and fan guard 12 matches.Fan guard 12 and division board 124 can be made into one.Fan guard 12 and division board 124 are made one, use injection mo(u)lding, and the mating surface of bucker 4 has annular slab 121, between the straight wall of annular slab 121 and fan guard 12, stiffener are arranged.The fixing means of fan guard 12 and motor 1 can be that screw or snapping are fixed.Division board 124 and bucker 4 coordinate the upper end that makes motor 1 to obtain the housing supporting, increase globality, effectively prevent traffic-induced damage.Bucker, fan guard and division board can also be made one.

Of the present invention without the deceleration paddle aerator, mainly by: buoyancy aid 6, motor 1, impeller shaft 8, impeller 7, bullet 3, bucker 4 etc. form, motor 1 is contained in the housing of bullet 3 and bucker 4 compositions, motor 1 connects housings by supporting base 2, between bucker and motor, has and prevents that the motor heat wind direction from flowing to the spacer assembly into motor fan housing last time; Motor shaft 11 connection impeller shafts 8 are equipped with vertically downward impeller and enter in water, motor body is in position above water, supporting base 2 horizontal directions are connected with the support bar 9 of three above circumferential arrangement, the other end of support bar 9 respectively has a buoyancy aid 6, complete machine is by buoyancy aid 6 work that floats on the surface, the water body that impeller 7 starts, by bullet 3 guiding four directions, fills a vacancy the water of lower floor, and the water body convection current reaches the purpose of oxygenation.The machine does not have reducing gear, and noise is low, cost is low, the life-span is long.

Above-mentioned supporting base 2 and the bottom end cover 21 of motor are made one, or supporting base 2 and motor 1 Split assembled, supporting base 2 levels and circumferentially be evenly equipped with three inserted link holes 25 that coordinate support bars; One end of the support bar of being made by metal tube is fastened in the inserted link hole 25 of supporting base 2, inserted link hole 25 and support bar 9 matching parts respectively have screw or pin fastening, the other end of support bar 9 is provided with the retainer ring 62 of buoyancy aid, and support bar 9 and supporting base 2 are easy to assembly, does not need flange to connect.

Above-mentioned impeller shaft can be integral with motor shaft 11, or motor shaft 11 is connected by shaft joint 5 with impeller shaft; Impeller shaft 8 is pipes of hollow, on impeller shaft 8, be shaped with tank 81 or water hole, impeller shaft 8 cylindrical water lubrication bearings 85, it is indoor that water lubriucated bearing 85 is arranged on the lower bearing of bullet 3, pipe is lower than solid shafting cost, and the water that mistake tank 81 makes to infiltrate in bullet 3 flow out from the pipe center in time.

Inserted link hole 25 outer walls of above-mentioned supporting base have connecting plate 22, the through hole 23 that connects bullet is arranged on connecting plate 22, described bullet 3 is housings of hollow, by injection moulding or casting forming, bullet 3 tops have one section cylindrical 36, cylindrical 36 tops have flange 39 and and the cooperation position of bucker 4, bullet 3 bottoms are bullets that straight line 37 or curve 38 are rotated into, in bullet 3, be provided with the installation position 34 and the installing hole 33 that with supporting base, are connected, bullet 3 and supporting base 2 are by screw fastening, bullet 3 and inserted link hole 25 relative positions have the inserted link through hole 32 by support bar, hollow-out parts 40 is arranged below the inserted link through hole, the location wall 31 corresponding with supporting base arranged in bullet.

Air inlet 45 is arranged at above-mentioned bucker 4 tops, air inlet has lid 44 on 45 tops, the surrounding of bucker 4 has air-out window 41, and air-out window 41 surroundings have water fender 43 and gutter channel 42, and water fender 43 and gutter channel 42 do not make a large amount of rainwater and spray enter air-out window 41.

Inserted link hole 25 outer walls of above-mentioned supporting base have the fastener hole intersected with inserted link hole 25, fastener hole divides upper hole 24 and bottom hole 27, upper hole 24 apertures are larger can pass through screw head, bottom hole 27 is screw or through hole, and the head of trip bolt makes the bottom of support bar 9 and supporting base 2 fastening by upper hole.

Above-mentioned impeller 7 is comprised of blade 73, blade seat etc., blade seat is connected to form in bottom by urceolus 71 and inner core 72, there is the hole coordinated with impeller shaft 8 at inner core 72 centers, between inner core 72 and urceolus 71, reinforcement 75 is arranged, the breach 74 that inner core 72 has the lateral pin 84 with impeller shaft to coordinate, lateral pin 84 is by the inner circle location of urceolus 71, the common transmitting torque of reinforcement 75 between lateral pin 84, breach 74, inner core 72 and urceolus 71; Impeller 7 bottoms are fixed by nut.Impeller 7 extension mouths are by the plastics single injection-molded, and the extension mouth of impeller 7 plays guide functions, and water body is sprayed to the surrounding of bullet 3, if the urceolus internal diameter of impeller is greater than the small end of bullet, and shouldn't extension mouth.

Above-mentioned shaft joint 5 is that motor shaft 11 is furnished with axle sleeve 51, axle sleeve 51 has location division 511 and impeller shaft 8 to peg graft to coordinate and pass through flexible rubber hose 52 to be connected, there is clip 53 at described flexible rubber hose 52 two ends, and clip 53 is stuck on the corresponding flexible rubber hose 52 in the outside that anti-skid structure is arranged on axle sleeve 51, impeller shaft 8 tops are the installation position 83 that the equal hole enlargement of internal-and external diameter forms, the cylindrical of location division 511 matches with the inner circle of installation position 83, described clip 53 is stuck on the corresponding flexible rubber hose 52 in impeller shaft 8 outsides of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion, clip 53 is clip undergauges of the cylinder type band bottom outlet that formed by steel plate stretching and block flexible rubber hose 52 two ends, the method of clip is varied, as long as flexible rubber hose 52 two ends and impeller shaft 8 or axle sleeve 51 card jails, with iron wire, tie up good, if the external diameter of motor shaft 11 and impeller shaft 8 external diameters quite can be without axle sleeves 51.

Above-mentioned buoyancy aid 6 is spherical hollow blow molding spares, is called ball float, and retaining ring 615 is arranged on the ball float mouth, and retaining ring is shaped with the screw thread 614 coordinated with floating ball cap 63 for 615 times, and the inwall on retaining ring 615 and floating ball cap 63 tops has the space of backwater; Support bar is that coating steel pipe is made, the retainer ring 62 that support bar 9 and ball float coordinate is mouldings, retainer ring 62 is arranged on backing plate 622 and the bolted of the outer rafter of support bar 9 with two holes, retainer ring 62 is that the moulding cost is low, retainer ring 62 and support bar 9 welding processing, prevent that effectively retainer ring 62 and support bar 9 are because of welding corrosion, fracture.The inwall on retaining ring 615 and floating ball cap 63 tops has the space of backwater, can reduce seal request between the screw thread that floating ball cap and floating ball cap coordinate.

There is plane 611 on the both sides of above-mentioned ball float, be called flat ball float 61, the neck 613 of flat ball float 61 has convex tendon 612, the retainer ring 62 fluted 621 of ball float, groove 621 and convex tendon 612 location, make the axial line of the plane 611 of ball float and support bar 9 due to parallel, reduce the oxygenation resistance to water-flow, flat ball float 61 is convenient to stack and transport.

Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection scope of the present invention.

Claims

1. the paddle aerator that prevents the hot air reflux device is arranged in bucker, mainly comprise buoyancy aid, motor, impeller shaft, impeller, bullet and bucker, it is characterized in that motor is vertically mounted in the housing of bullet and bucker composition, on the motor shaft that stretch out the motor upper end, cooling fan is installed, cooling fan has fan guard outward, a plurality of fin are arranged on motor casing, fan guard and motor casing are provided with bucker outward, air inlet is arranged at the top of bucker, the air-out window is arranged at the surrounding bottom, between bucker and motor, be provided with and prevent that the motor heat wind direction from flowing to the spacer assembly into motor fan housing last time, described spacer assembly is a division board, match with the inwall of bucker in the outside of division board, match with the outer wall of fan guard in the inboard of division board, described fan guard and division board are the integral type structure, with the junction of bucker, are provided with annular slab on division board, motor connects housing by supporting base, and motor shaft connects impeller shaft vertically downward, and impeller is installed in the impeller shaft lower end, the support bar of three above circumferential arrangement that the supporting base horizontal direction is connected with, and the outer end of support bar respectively is connected with a buoyancy aid.

2. in bucker as claimed in claim 1, the paddle aerator that prevents the hot air reflux device is arranged, it is characterized in that described bucker, fan guard and division board are the integral type structure.

3. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, the bottom end cover that it is characterized in that supporting base and motor is integral type structure or split-type structural, and supporting base level and circumferential arrangement have three inserted link holes that coordinate support bar; One end of the support bar of being made by metal tube is fastened in the inserted link hole of supporting base, the other end is connected with buoyancy aid by retainer ring.

4. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, it is characterized in that motor shaft is connected with impeller shaft by shaft joint, impeller is installed in the impeller shaft lower end, described impeller shaft is the pipe of hollow, on impeller shaft, be shaped with tank or water hole, on the impeller shaft cylindrical, be provided with water lubriucated bearing, water lubriucated bearing is arranged in the bearing chamber of bullet bottom.

5. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, the inserted link hole outer wall that it is characterized in that supporting base has connecting plate, the through hole that connects bullet is arranged on connecting plate, described bullet is the housing of hollow, by injection moulding or casting forming, bullet top have one section cylindrical, cooperation position with bucker is arranged at columniform top, the bullet bottom is the bullet that straight line or curve are rotated into, in bullet, be provided with the installation position and the installing hole that with supporting base, are connected, bullet and supporting base screw fastening, bullet and inserted link hole relative position have the inserted link through hole by support bar, the fastening through-hole intersected with the inserted link hole is arranged on supporting base, with trip bolt, pass fastening through-hole support bar and supporting base are fastenedly connected, air inlet is arranged at described bucker top, and air inlet has lid on top, the surrounding of bucker has the air-out window, and air-out window surrounding has water fender and gutter channel.

6. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, the blade that it is characterized in that impeller is connected on blade seat, blade seat is connected to form in bottom by urceolus and inner core, between inner core and urceolus, reinforcement is arranged, inner core coordinates with impeller shaft and uses the lateral pin socket connection.

7. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, it is characterized in that described shaft joint forms by axle sleeve and with the flexible rubber hose that clip is connected on axle sleeve, the outer end of axle sleeve is connected with motor shaft, the outer end of flexible rubber hose is by the top clamping of clip and impeller shaft, and is provided with anti-skid structure on the faying face of flexible rubber hose with the axle sleeve of clip clamping; Or described shaft joint is: impeller shaft top is the installation position that the equal hole enlargement of internal-and external diameter forms, the cylindrical of the location division of axle sleeve bottom matches with the inner circle of installation position, flexible rubber hose entangles installation position and the axle sleeve of impeller shaft simultaneously, the upper end that is stuck in flexible rubber hose with a clip is motor shaft and flexible rubber hose chucking, with another clip, is stuck on flexible rubber hose corresponding outside the impeller shaft of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion.

8. in bucker as claimed in claim 1 or 2, the paddle aerator that prevents the hot air reflux device is arranged, it is characterized in that described buoyancy aid is hollow blow molding spare, be called ball float, on the ball float mouth, retaining ring is arranged, floating ball cap is spirally connected by the screw thread under retaining ring and ball float, and retaining ring and ball float upper part of the cover inwall have the space of backwater; The be connected retainer ring of use of described support bar and ball float is moulding, and retainer ring is arranged on backing plate and the bolted of the outer rafter of support bar with two holes; Or described buoyancy aid is the flat ball float that there is plane on both sides, the neck of flat ball float has convex tendon, and the groove on the retainer ring inwall of support bar and flat ball float location use coordinates with convex tendon, makes the plane of flat ball float and the axis parallel of support bar.