CN109193996B - Driving device and waterwheel type aerator - Google Patents
Driving device and waterwheel type aerator Download PDFInfo
- Publication number
- CN109193996B CN109193996B CN201811062715.4A CN201811062715A CN109193996B CN 109193996 B CN109193996 B CN 109193996B CN 201811062715 A CN201811062715 A CN 201811062715A CN 109193996 B CN109193996 B CN 109193996B
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- rotating shaft
- outer rotor
- axial
- driving device
- shaft
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- 238000005276 aerator Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000006213 oxygenation reaction Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a driving device and a waterwheel type aerator, wherein a shaft sleeve is used as an external support and an internal support of the driving device, and an outer rotor drives a rotating shaft in the shaft sleeve to rotate, so that the driving device realizes bidirectional synchronous transmission and has excellent sealing effect while keeping excellent concentricity; this waterwheel formula oxygen-increasing machine adopts the mode that two grudging posts multiple spot supported, and radial, angle and the axial deviation of absorption volume axle spare when fabulous kept drive arrangement's output stability are equipped with flexible shaft coupling, and very big overcoming installation deviation keeps impeller moving stability, improves oxygenation efficiency and practical life.
Description
Technical Field
The invention relates to the field of an aerator, in particular to a driving device and a waterwheel type aerator.
Background
The waterwheel type aerator is equipment for saving and promoting the growth of fishes and shrimps in aquaculture, and because the waterproof performance of the motor is poor and the impeller is crossed with the water surface at a height, the impeller is difficult to directly drive by the motor; in addition, in the existing waterwheel type aerator, because the rotating parts on the opposite sides of the equipment need to be driven simultaneously and synchronously, different rotating parts are generally connected by adopting a motor.
If the Chinese patent with the publication number of CN102308772B discloses a waterwheel type aerator, which mainly comprises a motor, a reduction gearbox, an impeller, a floating body, a bracket, a waterproof cover and the like, wherein the waterproof cover is provided with an air inlet, a cover is arranged on the air inlet, the periphery of the air inlet can be provided with a surrounding ring, the surrounding ring is provided with a convex rafter in the water-facing direction, two sides of the outer side of the surrounding ring are respectively provided with a plurality of water retaining ribs, two sides of the lower part of the waterproof cover are respectively provided with a groove, and an output shaft of the reduction gearbox is.
The prior art has the defects that the motor is adopted to drive two sets of transmission parts in the reduction gearbox, and then the transmission parts are used to respectively drive the impellers on two sides of the floating body to rotate. The mode has higher cost, lower transmission efficiency and higher failure rate caused by multi-stage transmission.
Disclosure of Invention
The invention aims to provide a driving device which has the advantages of simple structure and bidirectional direct drive.
The technical purpose of the invention is realized by the following technical scheme:
a driving device comprises an outer rotor, a stator arranged in the outer rotor, a shaft sleeve rotatably arranged in the outer rotor in a penetrating way, and a rotating shaft rotatably arranged in the shaft sleeve in a penetrating way, wherein the shaft sleeve is fixedly arranged on an annular inner hole part of the stator in a penetrating way; two ends of the rotating shaft are respectively connected with an output end; the shaft sleeve penetrates through the outer rotor and extends outwards to serve as a first mounting end, and the part, deviating from the first mounting end, of the rotating shaft is set as a second mounting end.
By adopting the scheme, the shaft sleeve is used as the support for supporting the outside and the inside of the driving device, the stator is kept fixed in the inside, and the rotor and the rotating shaft are rotatably supported, and the shaft sleeve is used as the reference for the three parts, so that the whole body can keep very good concentricity; when the bidirectional synchronous transmission device is driven, the outer rotor is linked with the rotating shaft through the adapter, and the outer rotor rotates to drive the output ends connected to two ends of the rotating shaft through the rotating shaft, so that bidirectional synchronous transmission is realized; meanwhile, the rotating shaft is not directly connected into the motor, so that water cannot enter the motor along the rotating shaft in the actual use process, and the motor can be directly driven. In addition, the two output ends are connected with the same rotating shaft, so that the synchronous device has excellent synchronous performance, and particularly applied to a waterwheel, the situation of asymmetrical transmission of the two impellers is greatly reduced.
More preferably: the outer rotor comprises an outer ring with a magnetic ring and end covers fixed to two axial end faces of the outer ring respectively, and convex rings abutted to the inner wall of the outer ring are arranged on the inner end faces of the two end covers in the axial direction in a protruding mode.
By adopting the scheme, the outer rotor can be conveniently processed and formed to the maximum extent by adopting a mode of adding the outer ring and the two end covers, so that the good roundness and circumferential uniformity of the outer rotor are kept, the change of the rotational inertia moment caused by point deviation is not easy to occur, and the stability is greatly improved; and the convex ring is used for maintaining the sealing effect of the split structure.
More preferably: the outer surfaces of the two end covers along the axial direction are arc surfaces or conical surfaces with the centers protruding outwards, the axial end faces of the two end covers located at the edges are recessed and provided with annular packing grooves, the packing grooves are provided with screw holes for screws to penetrate through and fix along the axial direction of the outer rotor, and part of outer walls of the outer ring, which are close to the two end covers, the circumferential surfaces of the end covers, the packing grooves and part of axial outer walls of the end covers, which are close to the packing grooves, are covered with sealant layers.
Adopt above-mentioned scheme, good structural strength can be guaranteed to the arcwall face or the conical surface on the one hand, and on the other hand makes the periphery of end cover and the contained angle between the axial terminal surface be less than 270, is equipped with the thickness of packing groove reinforcing corner, and the sealant layer of corner can be in order to more gentle and agreeable transition at the in-process of packing like this to keep the effect of adhering to, sealing of good sealant layer.
More preferably: a blocking part is convexly arranged on the inner wall of an inner hole of the end cover for the shaft sleeve to penetrate through, and a sealing element which is embedded from outside to inside along the axial direction and is abutted against the blocking part is embedded in the inner hole of the end cover for the shaft sleeve to penetrate through; an annular groove for the axial end face of the adapter piece to be embedded is axially and inwards arranged on the end face of one end cover, and the adapter piece is fixedly connected with the axial end face of the annular groove through a screw.
By adopting the scheme, the annular groove can provide positioning, the concentricity between the rotating shaft and the outer rotor is ensured, and a glue filling space can be provided on the other hand to enhance the sealing effect.
More preferably: the annular outer wall of the convex ring and the corresponding part of the outer ring are provided with a first accommodating groove for embedding the sealing ring; the section of the first accommodating groove in the radial direction is a waist-shaped groove, wherein the arc-shaped part of the waist-shaped groove is positioned on the inner wall of the outer ring; the edge of one side of outer loop and bulge loop butt is sunken to be provided with the second holding tank that supplies the packing to fill.
By adopting the scheme, the two butt-joint parts of the end cover and the outer ring are respectively provided with the sealing structure, double sealing is formed in the axial direction and the radial direction, and the water resistance of the motor is enhanced.
The invention also aims to provide a waterwheel type aerator.
This waterwheel formula oxygen-increasing machine, including float the subassembly, be fixed in drive arrangement on the subassembly that floats and be located the impeller that the motor both sides were driven by the motor, characterized by: the two vertical frames are positioned at two axial sides of the outer rotor and are respectively supported on the shaft sleeve and the rotating shaft; wherein, at least one end of the shaft sleeve exceeds the axial end surface of the outer rotor and is fixedly connected with the vertical frame, and the rotating shaft at the other end is rotatably connected with the vertical frame; the two ends of the rotating shaft respectively drive the impeller to rotate directly or through a transmission structure.
By adopting the scheme, the two vertical frames are respectively supported on the shaft sleeve and the rotating shaft, the stability of the motor can be well maintained through two-point support in the axial direction on the whole, and the stability of the output of the motor can be maintained through the direct support and positioning of the rotating shaft on the local part; and certain deflection allowance can be reserved by the mode of respectively supporting, so that convenience is provided for the installation of the output ends at the two ends of the rotating shaft or the impeller.
More preferably: the transmission structure comprises an output shaft and a flexible coupling connected with the output shaft and the rotating shaft, and the output shaft is fixedly connected with the impeller.
By adopting the scheme, the waterwheel aerator generally keeps a good aeration effect, the arm length of the output shaft is generally longer, and the radial deviation, the angle deviation and the axial deviation of the absorption capacity shaft piece can be achieved by adopting the flexible coupling.
More preferably: the floating assembly comprises at least two floating boats which are arranged at intervals and a bracket fixed on the floating boats, the driving device is fixed on the bracket and arranged between the two innermost floating boats, and the outer sides of the two floating boats are respectively provided with at least two impellers fixed on the output shaft.
By adopting the scheme, the motor can be suspended above the water surface by the pontoon more than two, so that the excellent stability is reported for heat dissipation, and the two impellers are pulled open to keep a better oxygenation effect.
More preferably: at least two impellers which are symmetrical relative to the driving device and fixed on the output shaft or the rotating shaft are respectively arranged between the two floating boats and the driving device.
By adopting the scheme, the inner and outer ranges of the pontoon are both provided with the pontoon, so that the oxygenation effect is stronger, the mass center formed by the inner impeller and the outer impeller is more inclined to the inner side relative to the impeller at the outer side, and the rotation stability of the impeller at the outer side is better relative to two wheels.
More preferably: the aerator also comprises a shell sleeve which is sleeved outside the driving device and fixed with the support, the top of the shell sleeve is provided with a top box for mounting a controller, and the inner cavity of the shell sleeve is provided with a lead channel connected to the inner cavity of the top box; be provided with the ladder groove on the axle sleeve, the axial terminal surface butt in stator and ladder groove, be provided with the pin wire groove on the axial terminal surface in ladder groove, the axle sleeve is equipped with the pin hole of intercommunication pin wire groove and shell cover inner chamber along the axial.
By adopting the scheme, the shell can improve the waterproof effect for rainfall or other water splashing conditions; the top of the motor can be used for installing a controller and leading the controller into the motor through a lead groove and a lead hole.
In conclusion, the invention has the following beneficial effects:
1. the shaft sleeve is used as an external support and an internal support, and the outer rotor drives the rotating shaft in the shaft sleeve to rotate, so that excellent concentricity is kept, bidirectional synchronous transmission is realized, and an excellent sealing effect is achieved;
2. the sealing effect of the motor combination part is kept by adopting a sealing adhesive layer which is embedded and locked in a structure and is matched with flexible transition;
3. adopt the mode that two grudging posts multiple spot supported, radial, the angle and the axial deviation of the excellent stability that has kept the motor of absorption volume axle piece simultaneously are being equipped with flexible shaft coupling, and the performance influence that the excellent reduction installation deviation brought maintains the operation stability.
Drawings
FIG. 1 is an overall configuration diagram of a drive device of embodiment 1;
FIG. 2 is an internal structural view of a driving apparatus of embodiment 1;
FIG. 3 is an enlarged view at A of FIG. 2 of embodiment 1;
FIG. 4 is an overall configuration view of a waterwheel of embodiment 2;
FIG. 5 is an internal structural view of a housing of embodiment 2;
fig. 6 is a structural view of the outer rotor of embodiment 3 at the convex ring portion.
In the figure, 1, an outer rotor; 2. a shaft sleeve; 3. a rotating shaft; 4. a stator; 5. a float assembly; 6. a shell; 7. an impeller; 8. a top box; 9. an output shaft; 10. a drive device; 11. an outer ring; 12. an end cap; 13. a blocking portion; 131. a seal member; 133. a first accommodating groove; 134. a second accommodating groove; 135. wiping air holes; 14. an annular groove; 15. a convex ring; 16. a packing groove; 17. sealing the adhesive layer; 21. a lead slot; 22. a wire hole; 31. an adapter; 51. a floating vessel; 52. erecting a frame; 53. a support member; 54. a support; 61. a wire passage; 81. a wire outlet hole; 91. a flexible coupling.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a driving device, as shown in fig. 1 and fig. 2, comprises an outer rotor 1, a stator 4 arranged in the outer rotor 1, a shaft sleeve 2 rotatably arranged in the outer rotor 1 in a penetrating way, and a rotating shaft 3 rotatably arranged in the shaft sleeve 2 in a penetrating way; wherein, bearings are arranged between the shaft sleeve 2 and the rotor and between the shaft sleeve 2 and the rotating shaft 3, the shaft sleeve 2 is fixed in the annular inner hole part of the stator 4 in a penetrating way, and one end of the shaft sleeve exceeds the axial end face of the outer rotor 1 to be used as an external supporting part. An adapter 31 is fixed on the rotating shaft 3, the adapter 31 is fixedly connected with the outer rotor 1, and two ends of the rotating shaft 3 are respectively connected with an output end. When the outer rotor 1 is driven by the magnetic induction of the stator 4, the rotating shaft 3 is linked with the outer rotor 1 and transmits power to the output end, and the stator 4 and the shaft sleeve 2 are kept still at the moment.
The outer rotor 1 comprises an outer ring 11 with a magnetic ring and end covers 12 fixed to two axial end faces of the outer ring 11 respectively, a blocking portion 13 is arranged on the inner wall of an inner hole through which the shaft sleeve 2 penetrates through the end covers 12 in a protruding mode, and a sealing element 131 which is embedded from outside to inside along the axial direction and is abutted to the blocking portion 13 is arranged in the inner hole in an embedded mode. An annular groove 14 for the axial end face of the adapter 31 to be embedded is axially and concavely arranged on the end face of one end cover 12, and the adapter 31 is fixedly connected with the axial end face of the annular groove 14 through screws. During installation, the adaptor 31 and the annular groove 14 can be sealed while a sealant is filled therebetween to enhance the sealing effect after installation.
Referring to fig. 2 and 3, a convex ring 15 abutting against the inner wall of the outer ring 11 is provided on each of the inner end surfaces of the two end caps 12 in the axial direction. The outer surfaces of the two end covers 12 in the axial direction are both arc surfaces or conical surfaces with the centers protruding outwards, the axial end surfaces of the two end covers 12 at the edges are both provided with annular filler grooves 16 in a recessed mode (with reference to fig. 1 and 3), and the filler grooves 16 are provided with screw holes for screws to penetrate and fix along the axial direction of the outer rotor 1 so that the end covers 12 and the outer ring 11 are tensioned and fixed in the axial direction. The outer wall of the outer ring 11 near the two end covers 12, the circumferential surface of the end covers 12, the stuffing groove 16 and the axial outer wall of the end cover 12 near the stuffing groove 16 are all covered with sealant layers 17. Therefore, when the glue is filled, the sealant can be more flexibly transited from the circumferential direction of the outer ring 11 to the axial end surface of the outer side of the end cover 12, and the filler groove 16 processed at the corner can have a certain glue layer thickness so as to prevent the glue layer from falling off.
Referring to fig. 1, a wiping hole 135 is provided on an axial end surface of one of the end caps 11 for ventilating the interior of the motor when checking the sealing performance of the motor.
Referring to fig. 2, a stepped groove is formed in the shaft sleeve 2, the stator 4 abuts against an axial end face of the stepped groove, a lead groove 21 is formed in the axial end face of the stepped groove, a lead hole 22 communicating the lead groove 21 with an inner cavity of the shell 6 is formed in the shaft sleeve 2 in the axial direction, and a lead on the stator 4 is led out through the lead groove 21 and the lead hole 22.
Example 2: a waterwheel type aerator is shown in figure 4 and comprises a floating component 5, a driving device 10 fixed on the floating component 5, a shell 6 sleeved outside the driving device 10, impellers 7 positioned at two sides of a motor and driven by the motor, and two vertical frames 52 positioned at two axial sides of an outer rotor 1 and respectively supported on a shaft sleeve 2 and a rotating shaft 3; wherein, one end of the shaft sleeve 2 beyond the outer rotor 1 is fixedly connected with the vertical frame 52, and the rotating shaft 3 at the other end is rotatably connected with the vertical frame 52.
The two ends of the rotating shaft 3 respectively drive the impeller 7 to rotate directly or through a transmission structure. The transmission structure comprises an output shaft 9 and a flexible coupling 91 for connecting the output shaft 9 with the rotating shaft 3, wherein the output shaft 9 is fixedly connected with the impeller 7.
The floating assembly 5 comprises two floating boats 51 arranged at intervals and a bracket 54 fixed on the floating boats 51, the shell 6 and the driving device 10 are both fixed on the bracket 54 and arranged between the two floating boats, the two floating boats 51 are both provided with a supporting piece 53 for supporting the output shaft 9, and the outer sides of the two floating boats 51 are respectively provided with two impellers 7 fixed on the output shaft 9. At least two impellers 7 fixed to the output shaft 9 or the rotating shaft 3 are also provided between the two floating vessels 51 and the drive device 10, respectively, and are symmetrical with respect to the drive device 10.
Referring to fig. 5 and 2, the top of the casing 6 is provided with a top box 8 for mounting a controller, and the inner cavity of the casing 6 is provided with a lead passage 61 connected to the inner cavity of the top box 8; the wire to which the controller is mounted is led to the inside of the motor through the lead passage 61, the lead groove 21 on the sleeve 2 and the lead hole 22.
The side of the top box 8 is provided with an outlet hole 81 for outlet.
During use, the shaft sleeve 2 and the stator 4 are kept stationary relative to the stand 52, and the outer rotor 1, the rotating shaft 3 and the output shaft 9 rotate together, so that power is transmitted to the impellers 7 at both ends.
Example 3: as shown in fig. 6, the difference from embodiment 1 is that the annular outer wall of the convex ring 15 and the corresponding portion of the outer ring 11 are provided with a first receiving groove 133 for the sealing ring to be embedded; the first receiving groove 133 is a kidney-shaped groove along the radial section, wherein the arc-shaped portion of the kidney-shaped groove is located on the inner wall of the outer ring 11; the edge of one side of the outer ring 11 abutting against the convex ring 15 is concavely provided with a second receiving groove 134 for filling sealing filler.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (8)
1. A drive device (10) characterized by: the outer rotor type motor comprises an outer rotor (1), a stator (4) arranged in the outer rotor (1), a shaft sleeve (2) rotatably arranged in the outer rotor (1) in a penetrating mode and a rotating shaft (3) rotatably arranged in the shaft sleeve (2) in a penetrating mode, wherein the shaft sleeve (2) is fixedly arranged in an annular inner hole of the stator (4) in a penetrating mode, an adapter piece (31) is fixedly arranged on the rotating shaft (3), and the adapter piece (31) is fixedly connected with the outer rotor (1); two ends of the rotating shaft (3) are respectively connected with an output end; the shaft sleeve penetrates through the outer rotor and extends outwards to serve as a first mounting end, and the part of the rotating shaft, which deviates from the first mounting end, is set as a second mounting end; the outer rotor (1) comprises an outer ring (11) with a magnetic ring and end covers (12) which are respectively fixed on two axial end faces of the outer ring (11), and convex rings (15) which are abutted with the inner wall of the outer ring (11) are arranged on the inner end faces of the two end covers (12) in the axial direction in a protruding mode; the outer surface of the two end covers (12) along the axial direction is an arc-shaped surface or a conical surface protruding outwards from the center, the axial end faces, located at the edges, of the end covers (12) are recessed and provided with annular filler grooves (16), the filler grooves (16) are provided with screw holes for screws to penetrate and fix along the axial direction of the outer rotor (1), and the outer ring (11) is close to the outer walls of the two end covers (12), the circumferential surface of the end cover (12), the filler grooves (16) and the outer wall of the end cover (12) close to the axial direction of the filler grooves (16) are covered with sealant layers (17).
2. A drive device (10) according to claim 1, characterized in that: a blocking part (13) is convexly arranged on the inner wall of an inner hole of the end cover (12) through which the shaft sleeve (2) passes, and a sealing element (131) which is embedded from outside to inside along the axial direction and is abutted against the blocking part (13) is embedded in the inner hole of the end cover (12) through which the shaft sleeve (2) passes; an annular groove (14) for the axial end face of the adapter piece (31) to be embedded is axially and inwards arranged on the end face of one end cover (12), and the adapter piece (31) is fixedly connected with the axial end face of the annular groove (14) through screws.
3. A drive device (10) according to claim 1, characterized in that: the annular outer wall of the convex ring (15) and the corresponding part of the outer ring (11) are provided with a first accommodating groove (133) for embedding the sealing ring; the section of the first accommodating groove (133) along the radial direction is a waist-shaped groove, wherein the arc-shaped part of the waist-shaped groove is positioned on the inner wall of the outer ring (11); the edge of one side of outer ring (11) and bulge loop (15) butt is sunken to be provided with second holding tank (134) that supplies the packing to fill.
4. A waterwheel type aerator comprising the driving device of claim 1, which comprises a floating assembly (5), a driving device (10) fixed on the floating assembly (5), and impellers (7) located at both sides of the motor and driven by the motor, characterized in that: the outer rotor structure also comprises two vertical frames (52) which are positioned at two axial sides of the outer rotor (1) and respectively supported on the shaft sleeve (2) and the rotating shaft (3); wherein at least one end of the shaft sleeve (2) exceeds the axial end face of the outer rotor (1) and is fixedly connected with the vertical frame (52), and the rotating shaft (3) at the other end is rotatably connected with the vertical frame (52); the two ends of the rotating shaft (3) drive the impeller (7) to rotate directly or through a transmission structure respectively.
5. The waterwheel type aerator as claimed in claim 4, wherein: the transmission structure comprises an output shaft (9) and a flexible coupling (91) connected with the output shaft (9) and the rotating shaft (3), and the output shaft (9) is fixedly connected with the impeller (7).
6. The waterwheel type aerator as claimed in claim 5, wherein: the floating assembly (5) comprises at least two floating boats (51) arranged at intervals and a support (54) fixed on the floating boats (51), the driving device (10) is fixed on the support (54) and arranged between the two innermost floating boats (51), and at least two impellers (7) fixed on the output shaft (9) are respectively arranged on the outer sides of the two floating boats (51).
7. The waterwheel type aerator as claimed in claim 6, wherein: at least two impellers (7) which are symmetrical relative to the driving device (10) and fixed on the output shaft (9) or the rotating shaft (3) are respectively arranged between the two floating boats (51) and the driving device (10).
8. The waterwheel type aerator as claimed in claim 4, wherein: the aerator also comprises a shell sleeve (6) which is sleeved on the outer side of the driving device (10) and fixed with the support (54), the top of the shell sleeve (6) is provided with a top box (8) for mounting a controller, and the inner cavity of the shell sleeve (6) is provided with a lead channel (61) connected to the inner cavity of the top box (8); be provided with the ladder groove on axle sleeve (2), stator (4) and the axial terminal surface butt in ladder groove, be provided with lead wire groove (21) on the axial terminal surface in ladder groove, axle sleeve (2) are equipped with intercommunication lead wire groove (21) and housing (6) inner chamber's pin hole (22) along the axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062715.4A CN109193996B (en) | 2018-09-12 | 2018-09-12 | Driving device and waterwheel type aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062715.4A CN109193996B (en) | 2018-09-12 | 2018-09-12 | Driving device and waterwheel type aerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109193996A CN109193996A (en) | 2019-01-11 |
| CN109193996B true CN109193996B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062715.4A Active CN109193996B (en) | 2018-09-12 | 2018-09-12 | Driving device and waterwheel type aerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN109193996B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158517A (en) * | 2020-09-11 | 2022-03-11 | 绿达光电股份有限公司 | Oxygenation equipment and axle sleeve |
| CN114567103B (en) * | 2022-03-25 | 2022-11-18 | 浙江浙水工贸有限公司 | Shielding permanent magnet synchronous motor directly-connected waterwheel type oxygenation system |
| CN114552833A (en) * | 2022-03-25 | 2022-05-27 | 浙江浙水工贸有限公司 | Shielding type synchronous permanent magnet speed regulation high-efficiency jet aeration oxygenation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204761216U (en) * | 2015-06-23 | 2015-11-11 | 中山大洋电机股份有限公司 | External rotor plastic envelope motor and air condensing units who uses thereof |
| CN106130252A (en) * | 2016-08-30 | 2016-11-16 | 广州市中浪机械科技有限公司 | A kind of bidirectional driving apparatus and waterwheel aerator |
| CN107666199A (en) * | 2017-10-31 | 2018-02-06 | 台山市江口电器制造有限公司 | A kind of automobile permanent magnet brushless direct current motor |
| CN207782563U (en) * | 2017-12-29 | 2018-08-28 | 鲍昌定 | A kind of end cap of wheel hub electric motor of electric vehicle and the motor containing the end cap |
-
2018
- 2018-09-12 CN CN201811062715.4A patent/CN109193996B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204761216U (en) * | 2015-06-23 | 2015-11-11 | 中山大洋电机股份有限公司 | External rotor plastic envelope motor and air condensing units who uses thereof |
| CN106130252A (en) * | 2016-08-30 | 2016-11-16 | 广州市中浪机械科技有限公司 | A kind of bidirectional driving apparatus and waterwheel aerator |
| CN107666199A (en) * | 2017-10-31 | 2018-02-06 | 台山市江口电器制造有限公司 | A kind of automobile permanent magnet brushless direct current motor |
| CN207782563U (en) * | 2017-12-29 | 2018-08-28 | 鲍昌定 | A kind of end cap of wheel hub electric motor of electric vehicle and the motor containing the end cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109193996A (en) | 2019-01-11 |
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