CN217418337U

CN217418337U - Transmission structure of variable-frequency waterwheel type aerator

Info

Publication number: CN217418337U
Application number: CN202221615471.XU
Authority: CN
Inventors: 王梓宇
Original assignee: Taizhou Fisherman Technology Co ltd
Current assignee: Taizhou Fisherman Technology Co ltd
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-09-13
Anticipated expiration: 2032-06-25

Abstract

The utility model belongs to the technical field of the oxygen-increasing machine, a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine is related to, which comprises a frame, be provided with external rotor electric machine and main shaft in the frame, external rotor electric machine's axis sets up along vertical direction, the axis of main shaft sets up along the horizontal direction, external rotor electric machine sets up and the axis is crossing from top to bottom with the main shaft, the first bevel gear of external rotor electric machine's external rotor bottom fixedly connected with, the cover is established and is fixed with second bevel gear on the main shaft, first bevel gear and second bevel gear meshing transmission, the both ends of main shaft respectively with impeller fixed connection. The utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, its simple structure, the transmission is stable, and the fault rate is low, long service life.

Description

Transmission structure of variable-frequency waterwheel type aerator

Technical Field

The utility model belongs to the technical field of oxygen-increasing machine, a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine is related to.

Background

The waterwheel type aerator consists of water cooled motor, one-stage driving gear wheel or speed reducer, frame, pontoon, vane wheel, etc. When the device works, the motor is used as power, the impeller is driven to rotate through the primary transmission large gear, the blades of the impeller are partially or completely immersed in water, in the rotating process, the blades hit the water surface at a high speed to stimulate water splash, a large amount of air is further dissolved to form dissolved oxygen, the oxygen is brought into the water, and meanwhile, a powerful acting force is generated, so that the surface water is pressed into the bottom of the pool, and on the other hand, the water is pushed to enable the water to flow, and the dissolved oxygen is rapidly diffused.

The existing waterwheel type aerator generally has the defects of complex structure, unstable transmission, high failure rate, short service life and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, its simple structure, the transmission is stable, and the fault rate is low, long service life.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, includes the frame, be provided with external rotor electric machine and main shaft in the frame, external rotor electric machine's axis sets up along vertical direction, the axis of main shaft sets up along the horizontal direction, external rotor electric machine sets up and the axis is crossing from top to bottom with the main shaft, external rotor bottom fixedly connected with first bevel gear of external rotor electric machine, the cover is established and is fixed with the second bevel gear on the main shaft, first bevel gear and second bevel gear meshing transmission, the both ends of main shaft respectively with impeller fixed connection.

In the transmission structure of the variable-frequency waterwheel type aerator, the frame comprises a base, a support and a cover plate, and the support is connected with the base and the cover plate. Furthermore, the support is n-shaped and is provided with a pair of, the plane of support place sets up with the axis of main shaft is perpendicular, the bottom and the base fixed connection of support, the apron lid is established at the support top. Furthermore, the support is provided with four bending leg parts, and the bending leg parts are fixedly connected with the base through fasteners.

In the transmission structure of the variable-frequency waterwheel type aerator, the base is provided with a first bearing seat, a second bearing seat and a third bearing seat, the first bearing seat, the second bearing seat and the third bearing seat are internally provided with a first bearing, a second bearing and a third bearing which are coaxial respectively, and the main shaft is arranged in the first bearing, the second bearing and the third bearing in a penetrating way. Further, the second bevel gear is disposed between the second bearing seat and the third bearing seat.

In the transmission structure of the variable frequency waterwheel type aerator, a motor shaft of the outer rotor motor is fixedly connected with the cover plate, the outer rotor is rotatably arranged on the motor shaft through a shaft sleeve, and an inner stator is arranged in the outer rotor.

In the transmission structure of the variable-frequency waterwheel type aerator, a fixed shaft in the vertical direction is arranged in the rack, and the first bevel gear is rotatably arranged on the fixed shaft through a bearing structure.

In the transmission structure of the variable-frequency waterwheel type aerator, one end of the fixed shaft is rotatably connected with the first bevel gear, and the other end of the fixed shaft is fixedly connected with the upper end of the second bearing seat. Furthermore, a fourth bearing is arranged between the fixed shaft and the first bevel gear, the fixed shaft is tightly matched with an inner ring of the fourth bearing, and the first bevel gear is tightly matched with an outer ring of the fourth bearing.

In the transmission structure of the variable-frequency waterwheel type aerator, the outer rotor motor is an outer rotor brushless motor.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine adopts external rotor electric machine drive main shaft and further drives impeller work, directly through the bevel gear transmission of meshing between external rotor and the main shaft to one of them bevel gear direct fixed connection has not only simplified transmission structure on the external rotor, makes transmission structure more firm moreover. The utility model has the advantages of simple structure, stable transmission, low failure rate and long service life.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a view of the transmission structure of the present invention;

FIG. 4 is a frame structure diagram of the present invention;

reference numerals are as follows: 1. a frame; 1a, a base; 1b, a bracket; 1c, a cover plate; 2. an outer rotor motor; 3. a main shaft; 4. a first bevel gear; 5. a second bevel gear; 6. a first bearing housing; 7. a second bearing housing; 8. a third bearing seat; 9. a motor shaft; 10. and fixing the shaft.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 4:

the utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, includes frame 1, be provided with external rotor motor 2 and main shaft 3 in the frame 1, external rotor motor 2's axis sets up along vertical direction, the axis of main shaft 3 sets up along the horizontal direction, external rotor motor 2 sets up and the axis is crossing from top to bottom with main shaft 3, external rotor motor 2's external rotor bottom fixedly connected with first bevel gear 4, the cover is established and is fixed with second bevel gear 5 on main shaft 3, first bevel gear 4 and the meshing transmission of second bevel gear 5, the both ends of main shaft 3 respectively with impeller fixed connection.

The working mode of the embodiment is as follows: after the starting, the outer rotor of the outer rotor motor 2 starts to rotate, the first bevel gear 4 fixed on the outer rotor rotates along with the outer rotor, the first bevel gear 4 drives the second bevel gear 5 meshed with the first bevel gear to synchronously rotate, the second bevel gear 5 drives the main shaft 3 to rotate, the rotating main shaft 3 drives the impellers on two sides to rotate, and the waterwheel type aerator works normally.

Referring to fig. 4, in order to obtain a more stable structure, the housing 1 includes a base 1a, a bracket 1b, and a cover 1c, and the bracket 1b connects the base 1a and the cover 1 c. Furthermore, support 1b is the zigzag and is provided with a pair of, the plane that support 1b is located sets up with the axis of main shaft 3 is perpendicular, the bottom and the base 1a fixed connection of support 1b, apron 1c lid is established at support 1b top. Furthermore, the support 1b has four bending legs, and the bending legs are fixedly connected with the base 1a through fasteners.

Referring to fig. 3, the spindle 3 of the present embodiment is assembled in the following manner: be provided with first bearing 6, second bearing 7 and third bearing 8 on the base 1a, be provided with coaxial first bearing, second bearing and third bearing in first bearing 6, second bearing 7 and the third bearing 8 respectively, main shaft 3 wears to establish in first bearing, second bearing and the third bearing. Further, the second bevel gear 5 is disposed between the second bearing housing 7 and the third bearing housing 8. The above structure ensures that the main shaft 3 can stably rotate.

The motor shaft 9 of the outer rotor motor 2 is fixedly connected with the cover plate 1c, the outer rotor is rotatably arranged on the motor shaft 9 through a shaft sleeve, and an inner stator is arranged in the outer rotor.

In order to make the outer rotor and the first bevel gear 4 rotate stably, a vertical fixed shaft 10 is provided in the frame 1, and the first bevel gear 4 is rotatably provided on the fixed shaft 10 through a bearing structure.

Further, one end of the fixed shaft 10 is rotatably connected with the first bevel gear 4, and the other end is fixedly connected with the upper end of the second bearing seat 7. Further, a fourth bearing is arranged between the fixed shaft 10 and the first bevel gear 4, the fixed shaft 10 is tightly matched with an inner ring of the fourth bearing, and the first bevel gear 4 is tightly matched with an outer ring of the fourth bearing.

Preferably, the outer rotor motor 2 is an outer rotor brushless motor.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a transmission structure of frequency conversion waterwheel formula oxygen-increasing machine, includes frame (1), its characterized in that, be provided with external rotor electric machine (2) and main shaft (3) on frame (1), the axis of external rotor electric machine (2) sets up along vertical direction, the axis of main shaft (3) sets up along the horizontal direction, external rotor electric machine (2) and main shaft (3) set up from top to bottom and the axis is crossing, the external rotor bottom fixedly connected with first bevel gear (4) of external rotor electric machine (2), the cover is established and is fixed with second bevel gear (5) on main shaft (3), first bevel gear (4) and second bevel gear (5) meshing transmission, the both ends of main shaft (3) respectively with impeller fixed connection.

2. The transmission structure of the variable-frequency waterwheel type aerator according to claim 1, wherein the frame (1) comprises a base (1a), a bracket (1b) and a cover plate (1c), and the bracket (1b) connects the base (1a) and the cover plate (1 c).

3. The transmission structure of the variable-frequency waterwheel type aerator according to claim 2, wherein a first bearing seat (6), a second bearing seat (7) and a third bearing seat (8) are arranged on the base (1a), a first bearing, a second bearing and a third bearing which are coaxial are respectively arranged in the first bearing seat (6), the second bearing seat (7) and the third bearing seat (8), and the main shaft (3) is arranged in the first bearing, the second bearing and the third bearing in a penetrating manner.

4. The transmission structure of the variable-frequency waterwheel type aerator according to claim 2, wherein the supports (1b) are in a shape like a Chinese character 'ji' and are provided with a pair, the plane of the supports (1b) is perpendicular to the axis of the main shaft (3), the bottom of the supports (1b) is fixedly connected with the base (1a), and the cover plate (1c) covers the top of the supports (1 b).

5. The transmission structure of the variable frequency waterwheel type aerator according to claim 1, wherein a motor shaft (9) of the outer rotor motor (2) is fixedly connected with the cover plate (1c), the outer rotor is rotatably arranged on the motor shaft (9) through a shaft sleeve, and an inner stator is arranged in the outer rotor.

6. The transmission structure of the variable frequency waterwheel type aerator according to claim 3, wherein a vertical fixed shaft (10) is arranged in the frame (1), and the first bevel gear (4) is rotatably arranged on the fixed shaft (10) through a bearing structure.

7. The transmission structure of the variable-frequency waterwheel type aerator according to claim 6, wherein one end of the fixed shaft (10) is rotatably connected with the first bevel gear (4), and the other end is fixedly connected with the upper end of the second bearing block (7).

8. The transmission structure of the variable-frequency waterwheel type aerator according to claim 1, wherein the outer rotor motor (2) is an outer rotor brushless motor.