CN221237148U - Transmission structure of variable-frequency waterwheel aerator - Google Patents
Transmission structure of variable-frequency waterwheel aerator Download PDFInfo
- Publication number
- CN221237148U CN221237148U CN202322548805.7U CN202322548805U CN221237148U CN 221237148 U CN221237148 U CN 221237148U CN 202322548805 U CN202322548805 U CN 202322548805U CN 221237148 U CN221237148 U CN 221237148U
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- Prior art keywords
- gear
- gear shaft
- variable
- frequency
- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 238000005276 aerator Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 208000032369 Primary transmission Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model belongs to the technical field of oxygen-increasing machines, and relates to a transmission structure of a variable-frequency waterwheel oxygen-increasing machine, which comprises a bracket, wherein a first gear shaft and a second gear shaft are rotatably arranged on the bracket, the axes of the first gear shaft and the second gear shaft are positioned on the same horizontal plane and are parallel to each other, a first gear is sleeved on the first gear shaft, a second gear is sleeved on the second gear shaft, the first gear and the second gear are in meshed transmission, the number of teeth of the first gear is smaller than that of the second gear, an outer rotor motor is further arranged on the bracket, a motor shaft of the outer rotor motor and the first gear shaft are coaxially arranged, the first gear is fixed on an outer rotor of the outer rotor motor, and two ends of the second gear shaft are respectively fixedly connected with an impeller. The transmission structure of the variable-frequency waterwheel aerator has the advantages of simple structure, stable transmission, low failure rate and long service life, and simultaneously has larger driving torque.
Description
Technical Field
The utility model belongs to the technical field of oxygen-increasing machines, and relates to a transmission structure of a variable-frequency waterwheel oxygen-increasing machine.
Background
The waterwheel aerator is mainly composed of a water-cooling motor, a primary transmission large gear or a reduction box, a frame, a pontoon and an impeller. During operation, the motor is used as power, the impeller is driven to rotate through the primary transmission large gear, the impeller blades are partially or completely immersed in water, in the rotating process, the blades strike the water surface at a high speed, water spray is excited, a large amount of air is further dissolved to form dissolved oxygen, the oxygen is brought into the water, meanwhile, strong acting force is generated, on one hand, the surface layer water is pressed into the bottom of the pool, on the other hand, the water is pushed, the water flows, and the dissolved oxygen is rapidly diffused.
The existing waterwheel aerator generally has the defects of complex structure, unstable transmission, high failure rate, short service life and the like.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a transmission structure of a variable-frequency waterwheel aerator, which has the advantages of simple structure, stable transmission, low failure rate and long service life, and simultaneously has larger driving torque.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:
The utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, includes the support, rotate on the support and be provided with first gear shaft and second gear shaft, the axis of first gear shaft and second gear shaft is located same horizontal plane and is parallel to each other, the cover is equipped with first gear on the first gear shaft, the cover is equipped with the second gear on the second gear shaft, the number of teeth of first gear and second gear meshing transmission is less than the number of teeth of second gear, still be provided with external rotor motor on the support, external rotor motor's motor shaft and the coaxial setting of first gear shaft, first gear is fixed on external rotor of external rotor motor, the both ends of second gear shaft respectively with impeller fixed connection.
In the transmission structure of the variable-frequency waterwheel aerator, the support is provided with the first bearing seat, the second bearing seat and the third bearing seat, the first bearing seat, the second bearing seat and the third bearing seat are respectively internally provided with the first bearing, the second bearing and the third bearing, the first gear shaft is arranged in the first bearing in a penetrating manner, and the second gear shaft is arranged in the second bearing and the third bearing in a penetrating manner.
In the transmission structure of the variable-frequency waterwheel aerator, a variable-frequency controller is arranged on the outer side of the bracket, the outer rotor motor is connected with the variable-frequency controller through a horizontal connecting disc, and the horizontal connecting disc is fixed on the bracket.
In the transmission structure of the variable-frequency waterwheel aerator, the first bearing seat and the horizontal connecting disc are oppositely arranged, the second bearing seat and the third bearing seat are oppositely arranged, the first bearing seat and the second bearing seat are positioned on the same side, the horizontal connecting disc and the third bearing seat are positioned on the same side, and the first bearing seat, the second bearing seat, the third bearing seat and the horizontal connecting disc are all in fastening connection with the support through fastening bolts.
In the above transmission structure of the variable-frequency waterwheel aerator, the first gear and the second gear may be straight-tooth cylindrical gears, or may be helical-tooth cylindrical gears; preferably, the first gear and the second gear are helical cylindrical gears.
In the transmission structure of the variable-frequency waterwheel aerator, the transmission ratio of the first gear to the second gear is 1.3-1.5.
In the transmission structure of the variable-frequency waterwheel aerator, the outer rotor motor is an outer rotor brushless motor.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model provides a transmission structure of a variable-frequency waterwheel aerator, which adopts an outer rotor of an outer rotor motor to be directly connected with a first gear, and then drives a second gear shaft (namely an aerator main shaft) to rotate after the speed reduction transmission of the first gear and the second gear, and further drives an impeller to work, so that the transmission structure is simplified, the transmission structure is more stable, and the aerator main shaft can have larger torque through the transmission of the first gear and the second gear, so that the impeller is driven to work better. The utility model has the advantages of simple structure, stable transmission, low failure rate and long service life, and simultaneously has larger driving torque.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a top view of the present utility model;
Reference numerals: 1. a bracket; 2. a first gear shaft; 3. a second gear shaft; 4. a first gear; 5. a second gear; 6. an outer rotor motor; 7. a motor shaft; 8. a first bearing seat; 9. a second bearing seat; 10. a third bearing seat; 11. a first bearing; 12. a second bearing; 13. a third bearing; 14. a variable frequency controller; 15. horizontal connecting disc.
Detailed Description
The utility model is further described in the following by way of specific embodiments with reference to the accompanying drawings, see fig. 1-4:
The utility model provides a transmission structure of variable frequency waterwheel aerator, includes support 1, rotate on the support 1 and be provided with first gear shaft 2 and second gear shaft 3, the axis of first gear shaft 2 and second gear shaft 3 is located same horizontal plane and is parallel to each other, the cover is equipped with first gear 4 on the first gear shaft 2, the cover is equipped with second gear 5 on the second gear shaft 3, the tooth number of first gear 4 and the meshing transmission of second gear 5 and first gear 4 is less than the tooth number of second gear 5, still be provided with external rotor motor 6 on the support 1, the motor shaft 7 and the coaxial setting of first gear shaft 2 of external rotor motor 6, first gear 4 is fixed on the external rotor of external rotor motor 6, the both ends of second gear shaft 3 respectively with impeller fixed connection.
The working mode of the embodiment is as follows: after the motor is started, the outer rotor of the outer rotor motor 6 starts to rotate, the first gear 4 fixed on the outer rotor rotates along with the outer rotor, the first gear 4 drives the second gear 5 meshed with the first gear 4 to rotate, the second gear 5 drives the second gear shaft 3 to rotate, the rotating second gear shaft 3 drives impellers on two sides to rotate, and the waterwheel aerator works normally.
The assembly modes of the shafts in the embodiment are as follows: the support 1 is provided with a first bearing seat 8, a second bearing seat 9 and a third bearing seat 10, the first bearing seat 8, the second bearing seat 9 and the third bearing seat 10 are respectively provided with a first bearing 11, a second bearing 12 and a third bearing 13, the first gear shaft 2 is arranged in the first bearing 11 in a penetrating manner, and the second gear shaft 3 is arranged in the second bearing 12 and the third bearing 13 in a penetrating manner.
The outer rotor motor 6 in this embodiment is a variable frequency outer rotor motor, and its structure is: the outside of support 1 is provided with variable frequency controller 14, external rotor motor 6 passes through horizontal connection pad 15 and is connected with variable frequency controller 14, horizontal connection pad 15 is fixed on support 1.
Preferably, the first bearing seat 8 and the horizontal connecting disc 15 are oppositely arranged, the second bearing seat 9 and the third bearing seat 10 are oppositely arranged, the first bearing seat 8 and the second bearing seat 9 are positioned on the same side, the horizontal connecting disc 15 and the third bearing seat 10 are positioned on the same side, and the first bearing seat 8, the second bearing seat 9, the third bearing seat 10 and the horizontal connecting disc 15 are all in fastening connection with the bracket 1 through fastening bolts.
The first gear 4 and the second gear 5 are straight-tooth cylindrical gears, or may be helical-tooth cylindrical gears; in this embodiment, the first gear 4 and the second gear 5 are helical gears.
The gear ratio of the first gear 4 to the second gear 5 is 1.3-1.5, and in this embodiment, the number of teeth of the first gear 4 is set to 32, and the number of teeth of the second gear 5 is set to 45.
Preferably, the external rotor motor 6 is an external rotor brushless motor.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a transmission structure of variable frequency waterwheel aerator, includes support (1), its characterized in that, rotate on support (1) and be provided with first gear shaft (2) and second gear shaft (3), the axis of first gear shaft (2) and second gear shaft (3) is located same horizontal plane and is parallel to each other, the cover is equipped with first gear (4) on first gear shaft (2), the cover is equipped with second gear (5) on second gear shaft (3), first gear (4) and second gear (5) meshing transmission and the number of teeth of first gear (4) are less than the number of teeth of second gear (5), still be provided with external rotor motor (6) on support (1), motor shaft (7) and first gear shaft (2) coaxial setting of external rotor motor (6), first gear (4) are fixed on the external rotor of external rotor motor (6), the both ends of second gear shaft (3) are respectively with impeller fixed connection; be provided with first bearing frame (8), second bearing frame (9), third bearing frame (10) on support (1), be provided with first bearing (11), second bearing frame (12) and third bearing frame (13) respectively in first bearing frame (8), second bearing frame (9) and third bearing frame (10), first gear shaft (2) wear to establish in first bearing (11), second gear shaft (3) wear to establish in second bearing frame (12) and third bearing frame (13).
2. The transmission structure of the variable-frequency waterwheel aerator according to claim 1, wherein a variable-frequency controller (14) is arranged on the outer side of the bracket (1), the outer rotor motor (6) is connected with the variable-frequency controller (14) through a horizontal connecting disc (15), and the horizontal connecting disc (15) is fixed on the bracket (1).
3. The transmission structure of the variable-frequency waterwheel aerator according to claim 1, wherein the first gear (4) and the second gear (5) are straight-tooth cylindrical gears.
4. The transmission structure of the variable-frequency waterwheel aerator according to claim 1, wherein the first gear (4) and the second gear (5) are helical cylindrical gears.
5. The transmission structure of the variable-frequency waterwheel aerator according to claim 1, wherein the transmission ratio of the first gear (4) to the second gear (5) is 1.3-1.5.
6. The transmission structure of the variable-frequency waterwheel aerator according to claim 1, wherein the outer rotor motor (6) is an outer rotor brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322548805.7U CN221237148U (en) | 2023-09-19 | 2023-09-19 | Transmission structure of variable-frequency waterwheel aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322548805.7U CN221237148U (en) | 2023-09-19 | 2023-09-19 | Transmission structure of variable-frequency waterwheel aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221237148U true CN221237148U (en) | 2024-06-28 |
Family
ID=91614892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322548805.7U Active CN221237148U (en) | 2023-09-19 | 2023-09-19 | Transmission structure of variable-frequency waterwheel aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221237148U (en) |
-
2023
- 2023-09-19 CN CN202322548805.7U patent/CN221237148U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |