CN218449767U

CN218449767U - Motor device for aerator

Info

Publication number: CN218449767U
Application number: CN202222011442.9U
Authority: CN
Inventors: 何志强
Original assignee: Guangdong Shunde Kailei Machinery Co ltd
Current assignee: Guangdong Shunde Kailei Machinery Co ltd
Priority date: 2022-07-31
Filing date: 2022-07-31
Publication date: 2023-02-03
Anticipated expiration: 2032-07-31

Abstract

The utility model relates to a motor device for oxygen-increasing machine, it includes the motor and locates the gear reduction box on the motor, gear reduction box is planet reduction gear, planet reduction gear includes the gear box, sun gear, fixed ring gear, the planet rotating turret, output main shaft and three planetary gear, the planet rotating turret rotates and sets up in the gear box, interval such as three planetary gear annular sets up on the planet rotating turret, three planetary gear rotates and sets up on the planet rotating turret, sun gear is located the center of planet rotating turret, sun gear simultaneously with three planetary gear meshing, the motor shaft of motor stretches into in the gear box, and be connected with sun gear, fixed ring gear is fixed in on the inside wall of gear box, the inner and the planet rotating turret fixed connection of output main shaft, the utility model discloses a gear box adopts planet reduction gear, therefore, the utility model discloses a gear installation is easy, convenient, and planetary gear reduction noise is little moreover, the drive ratio is high.

Description

Motor device for aerator

Technical Field

The utility model relates to an oxygen-increasing machine technical field, in particular to a motor device for oxygen-increasing machine.

Background

At present, the motor device of the aerator on the market generally comprises a motor and a gear box, as shown in figure 1, a plurality of gears, a plurality of rotating shafts and a plurality of bearings are arranged in the gear box, and the gear box has high requirements on manufacturing and mounting precision, large mounting difficulty, large volume and weight and inconvenient maintenance. There is therefore a need for further improvements in the construction of gearboxes for existing motor arrangements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear installation is easy, convenient a motor device for oxygen-increasing machine.

The purpose of the utility model is realized like this:

a motor device for an aerator comprises a motor and a gear reduction box arranged on the motor, wherein the gear reduction box is a planetary reduction gear box, the planetary reduction gear box comprises a gear box, a sun gear, a fixed gear ring, a planetary rotating frame, an output main shaft and three planetary gears, the planetary rotating frame is rotatably arranged in the gear box, the three planetary gears are annularly arranged on the planetary rotating frame at equal intervals, the three planetary gears are rotatably arranged on the planetary rotating frame, the sun gear is positioned at the center of the planetary rotating frame, the sun gear is simultaneously meshed with the three planetary gears, a motor shaft of the motor extends into the gear box and is connected with the sun gear, the fixed gear ring is fixed on the inner side wall of the gear box, the inner end of the output main shaft is fixedly connected with the planetary rotating frame, the outer end of the output main shaft extends out of the gear box, the three planetary gears are positioned in the fixed gear ring, an inner gear is arranged on the inner side wall of the fixed gear ring, and the three planetary gears are simultaneously meshed with the inner gear. The utility model discloses a gear box adopts planetary reduction gear box, and planetary reduction gear box's gear installation is easy, consequently, the utility model discloses the installation is easy, convenient, and planetary reduction gear box small in noise, variable speed are fast moreover.

The utility model can be further improved as follows.

Be equipped with first bearing and second bearing between output main shaft and the gear box, consequently the utility model discloses an output main shaft rotational stabilization, the noise is little.

Be equipped with three fixed axles on the planet rotating turret, three planetary gear rotates respectively and locates on three fixed axles, consequently the utility model discloses a planetary gear rotates stably, and the noise is little.

And a third bearing is arranged between the fixed shaft and the planetary gear, and the planetary gear is rotatably arranged on the fixed shaft through the third bearing.

Be equipped with the sealing washer between output main shaft and the gear box, consequently the utility model discloses a gear box is difficult to intake.

The utility model has the advantages as follows:

(one) the utility model discloses a gear box adopts planetary reduction gear box, and planetary reduction gear box's gear installation is easy, consequently, the utility model discloses a gear installation is easy, convenient, and planetary reduction gear box small in noise, drive ratio are big moreover.

(two) in addition, the utility model discloses a gear box's structure is compacter, and drive ratio and bearing capacity are bigger, and is small, and efficiency and reliability are high, and is longe-lived, and it is more convenient to maintain.

Drawings

Fig. 1 is a schematic structural view of a motor device of a conventional aerator.

Fig. 2 is a sectional view of the motor device for the aerator of the present invention.

Fig. 3 is a schematic structural view of the motor device applied to the aerator.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In a first embodiment, as shown in fig. 2 to 3, an aerator includes a support frame 7, three pontoons 6, an impeller 8 and a motor device, the three pontoons 6 are respectively disposed at three ends of the support frame 7, the motor device includes a motor 1 and a gear reduction box 2 disposed on the motor 1, the gear reduction box 2 is a planetary reduction gear box, the planetary reduction gear box includes a gear box 21, a sun gear 22, a fixed gear ring 23, a planetary rotating frame 24, an output main shaft 25 and three planetary gears 26, the planetary rotating frame 24 is rotatably disposed in the gear box 21, the three planetary gears are annularly and equally spaced on the planetary rotating frame, the sun gear 22 is disposed at the center of the planetary rotating frame 24, the sun gear 22 is simultaneously engaged with the three planetary gears 26, a shaft of the motor 1 is inserted into the gear box 21 and is connected with the sun gear 22, the fixed gear ring 23 is fixed on an inner side wall of the gear box 21, the three planetary gears 26 are disposed in the fixed gear ring 23, an inner side wall of the fixed gear ring 23 is provided with an inner gear, the three planetary gears 26 are simultaneously engaged with an inner end of the output main shaft 25, an outer end of the output main shaft 25 is connected with the fixed gear ring 24, and an outer end of the output main shaft 25 is connected with the planetary rotating frame 21, and the output main shaft 8 of the output main shaft 8 is disposed in the planetary gear box.

As a more specific technical solution of the present invention.

A first bearing 3 and a second bearing 4 are arranged between the output main shaft 25 and the gear box 21.

Three fixed shafts 27 are arranged on the planetary rotating frame 24, and the three planetary gears 26 are respectively and rotatably arranged on the three fixed shafts.

A third bearing 5 is arranged between the fixed shaft and the planetary gear 26, and the planetary gear 26 is rotatably arranged on the fixed shaft through the third bearing.

And a sealing ring 28 is arranged between the output main shaft 25 and the gear box 21.

Claims

1. The utility model provides a motor device for oxygen-increasing machine, includes the motor and locates the gear reduction box on the motor, its characterized in that: the gear reduction box is a planetary reduction gear box which comprises a gear box, a sun gear, a fixed gear ring, a planetary rotating frame, an output main shaft and three planetary gears, wherein the planetary rotating frame is rotatably arranged in the gear box, the three planetary gears are annularly and equidistantly arranged on the planetary rotating frame, the three planetary gears are rotatably arranged on the planetary rotating frame, the sun gear is positioned at the center of the planetary rotating frame, the sun gear is simultaneously meshed with the three planetary gears, a motor shaft of the motor extends into the gear box and is connected with the sun gear, the fixed gear ring is fixed on the inner side wall of the gear box, the inner end of the output main shaft is fixedly connected with the planetary rotating frame, the outer end of the output main shaft extends out of the gear box, the three planetary gears are positioned in the fixed gear ring, an inner gear is arranged on the inner side wall of the fixed gear ring, and the three planetary gears are simultaneously meshed with an inner gear.

2. The motor device for an aerator of claim 1, wherein: a first bearing and a second bearing are arranged between the output main shaft and the gear box.

3. The motor device for an aerator of claim 1, wherein: the planetary rotating frame is provided with three fixed shafts, and the three planetary gears are respectively rotatably arranged on the three fixed shafts.

4. The motor device for an aerator of claim 3, characterised in that: and a third bearing is arranged between the fixed shaft and the planetary gear, and the planetary gear is rotatably arranged on the fixed shaft through the third bearing.

5. The motor device for an aerator of claim 1, wherein: and a sealing ring is arranged between the output main shaft and the gear box.