CN215720564U

CN215720564U - Aerator wave box

Info

Publication number: CN215720564U
Application number: CN202122384793.XU
Authority: CN
Inventors: 赵锦廉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-01
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to an aerator wave box which comprises a box shell, wherein a gear ring is arranged on the inner wall of the box shell, a sun pinion is arranged in the center of the gear ring, three planet gears which are meshed with the sun pinion and the gear ring are annularly arranged around the sun pinion in an array mode, wheel center holes of the three planet gears are respectively and rotatably provided with a wheel shaft, the three wheel shafts are respectively and fixedly connected with three fork arms of the same Y-shaped frame to drive the Y-shaped frame to rotate together, the Y-shaped frame is arranged on the rear side of the three planet gears and is fixedly connected with an output shaft through the center hole of the Y-shaped frame, and the output shaft is exposed out of the rear end of the box shell and is used for being connected with an aerator impeller. The utility model has the advantages of simpler structure, more uniform stress of the transmission chain, higher transmission efficiency, less operation noise, higher reliability and longer service life.

Description

Aerator wave box

Technical Field

The utility model relates to an improved structure of a wave box of an aerator.

Background

The traditional aerator wave box adopts multi-stage gradual speed reduction, has a complex structure, and has the defects of uneven stress of a transmission chain, lower transmission efficiency, higher running noise, low reliability and short service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the conventional aerator wave box.

The utility model adopts the following technical scheme:

the aerator wave box comprises a box shell, a gear ring is arranged on the inner wall of the box shell, a sun pinion is arranged at the center of the gear ring, three planet gear wheels meshed with the sun pinion and the gear ring are annularly arranged around the sun pinion, a wheel shaft is respectively and rotatably arranged in a wheel center hole of each planet gear wheel, the three wheel shafts are respectively and fixedly connected with three fork arms of the same Y-shaped frame to drive the Y-shaped frame to rotate together, the Y-shaped frame is arranged on the rear side of the three planet gear wheels and is fixedly connected with an output shaft through a center hole of the Y-shaped frame, and the output shaft is exposed out of the rear end of the box shell and used for being connected with an aerator impeller.

As the preferred scheme, the case shell is a split type shell and comprises a cylindrical front shell and a convex cylindrical rear shell, wherein the convex cylindrical rear shell comprises a front thick section which is fixedly butted with the cylindrical front shell and a rear thin section which is positioned at the rear part of the front thick section, a gear ring and the cylindrical front shell are circumferentially and annularly arranged on the inner wall of the cylindrical front shell in an integrated manner, a sun pinion and a planet gear wheel are both arranged in the cylindrical front shell, the front end of a wheel shaft is rotatably arranged in a wheel center hole of the planet gear wheel, the rear end of the wheel shaft is fixedly inserted in a shaft sleeve arranged on a fork arm of a Y-shaped frame, the Y-shaped frame is arranged in the front thick section of the convex cylindrical rear shell, and an output shaft penetrates through the rear thin section of the convex cylindrical rear shell and is exposed.

Preferably, the outer wall of the cylindrical front shell is provided with a front connecting wing, the outer wall of the front thick section of the convex cylindrical rear shell is provided with a rear connecting wing, and the front connecting wing and the rear connecting wing are fixedly connected with each other through bolts, so that the cylindrical front shell and the convex cylindrical rear shell are fixed into a whole.

Preferably, the sun pinion includes a gear segment for engaging the planetary gear wheel and an input shaft integrally formed with the gear segment and disposed at a wheel center position of a front end of the gear segment.

As the preferred scheme, the front end face of the input shaft is provided with a shaft hole which is fixedly connected with a motor shaft of the aerator.

Preferably, the planet gear wheel is a mute gear.

Preferably, a first ball bearing is installed in a wheel center hole of the planet gear wheel, and the front end of the wheel shaft is rotatably arranged in the first ball bearing.

Preferably, the output shaft is sleeved with a second ball bearing which is used for rotatably arranging the output shaft in the rear thin section.

As a preferred scheme, the output shaft movably penetrates through an end cover arranged on the rear pipe orifice of the rear thin section to be exposed.

As the preferred scheme, the exposed part of the output shaft is provided with a flange for fixedly connecting an aerator impeller.

The utility model adopts a mode that the sun pinion drives the three planet gear wheels to revolve and the three planet gear wheels drive the output shaft to rotate to decelerate at one time, the planet gear wheels adopt mute gears made of novel materials, and the planet gear wheels are rotatably connected with the wheel shaft and the output shaft is rotatably connected with the box shell through ball bearings.

Drawings

FIG. 1 is a front elevational view of the overall construction of an embodiment of the present invention;

FIG. 2 is an exploded view of the overall structure of an embodiment of the present invention;

fig. 3 is a general structural sectional view of an embodiment of the present invention.

Detailed Description

The utility model is described below with reference to the accompanying drawings and specific embodiments.

Referring to FIGS. 1-3:

oxygen-increasing machine ripples case, including case shell 1, case shell 1 is split type casing, including shell 1.1 and convex cylinder shape backshell 1.2 before the cylinder, convex cylinder shape backshell 1.2 include with the cylinder before shell 1.1 butt joint fixed preceding thick section 1.21 with be located preceding thin section 1.22 at thick section 1.21 rear portion. The outer wall of the cylindrical front shell 1.1 is provided with a front connecting wing 1.12, the outer wall of the front thick section 1.21 of the convex cylindrical rear shell 1.2 is provided with a rear connecting wing, and the front connecting wing 1.12 and the rear connecting wing are fixedly connected with each other through bolts, so that the cylindrical front shell 1.1 and the convex cylindrical rear shell 1.2 are fixed into a whole.

The inner wall of the cylindrical front shell 1.1 and the cylindrical front shell 1.1 are circumferentially and annularly provided with a gear ring 1.11 in an integrated forming mode, the center of the gear ring 1.11 is provided with a sun pinion 2, the sun pinion 2 comprises a gear section 2.1 used for meshing a planet gear 3 and an input shaft 2.2 arranged at the wheel center position of the front end of the gear section 2.1 in an integrated forming mode with the gear section 2.1, and the front end face of the input shaft 2.2 is provided with a shaft hole 2.21 used for being fixedly connected with a motor shaft of an aerator.

The array ring is equipped with three planet gear wheel 3 with gear section 2.1 and ring gear 1.11 homogeneous phase meshing around the gear section 2.1 of sun pinion 2, and three planet gear wheel 3 is the silence gear of being made by novel material, all is equipped with a first shaft 4 in the wheel centre bore of three planet gear wheel 3, and the front end of each shaft 4 all rotates to be located in the first ball bearing 7 of installing in the wheel centre bore of the planet gear wheel 3 that corresponds to swivelling joint corresponds planet gear wheel 3.

The rear ends of the three wheel shafts 4 are respectively inserted and fixed in shaft sleeves 5.1 arranged on three fork arms of the same Y-shaped frame 5 to drive the Y-shaped frame 5 to rotate, and the Y-shaped frame 5 is arranged in a front thick section 1.21 of the convex cylindrical rear shell 1.2 and is fixedly connected with an output shaft 6 through a central hole of the Y-shaped frame.

The output shaft 6 is sleeved with a second ball bearing 8 which is used for rotatably arranging the output shaft in the rear thin section 1.22, the output shaft 6 movably penetrates through an end cover 9 arranged at the rear pipe orifice of the rear thin section 1.22 to be exposed, and the exposed part is provided with a flange 10 for fixedly connecting an aerator impeller.

When the automatic aerator is used, the input shaft 2.2 is fixedly connected with an aerator motor shaft through the shaft hole 2.21 at the front end of the input shaft, and the aerator impeller is arranged on the flange 10. The running of the motor of the aerator can drive the sun pinion 2 to rotate, the sun pinion 2 can drive the three planet gear wheels 3 to synchronously revolve around the gear ring 1.11 while synchronously rotating around respective wheel shafts 4, so that one-time speed reduction is realized, the three planet gear wheels 3 after speed reduction jointly drive the Y-shaped frame 5 to rotate, the Y-shaped frame 5 drives the output shaft 6 to rotate, and the output shaft 6 drives the impeller of the aerator to rotate.

Claims

1. Oxygen-increasing machine ripples case, its characterized in that: including case shell (1), case shell (1) inner wall is equipped with ring gear (1.11), the center of ring gear (1.11) is equipped with a sun pinion (2), the array ring is equipped with three planet gear wheel (3) with this sun pinion (2) and ring gear (1.11) homogeneous phase meshing around sun pinion (2), it is equipped with a shaft (4) to rotate respectively in the wheel centre bore of three planet gear wheel (3), three shaft (4) are three yoke of same Y shape frame (5) of fixed connection respectively and rotate in order to drive this Y shape frame (5) jointly, three planet gear wheel (3) rear side is located in Y shape frame (5) and through a center hole fixed connection output shaft (6), output shaft (6) expose case shell (1) rear end outward and are used for connecting the oxygen-increasing machine impeller.

2. The aerator wave box of claim 1, wherein: the box shell (1) is a split type shell and comprises a cylindrical front shell (1.1) and a convex cylindrical rear shell (1.2), the convex cylindrical rear shell (1.2) comprises a front thick section (1.21) fixedly butted with the cylindrical front shell (1.1) and a rear thin section (1.22) positioned at the rear part of the front thick section (1.21), a gear ring (1.11) and the cylindrical front shell (1.1) are circumferentially and annularly arranged on the inner wall of the cylindrical front shell (1.1) in an integrated mode, a sun pinion (2) and a planet gear (3) are both arranged in the cylindrical front shell (1.1), the front end of a wheel shaft (4) is rotatably arranged in a wheel center hole of the planet gear (3), the rear end of the wheel shaft is fixedly inserted in a shaft sleeve (5.1) arranged on a fork arm of a Y-shaped frame (5), the Y-shaped frame (5) is arranged in the front thick section (1.21) of the convex cylindrical rear shell (1.2), and an output shaft (6) penetrates through the convex cylindrical rear shell (1.2) to be exposed out of the thin section (1.22).

3. The aerator wave box of claim 2, wherein: the outer wall of the cylindrical front shell (1.1) is provided with a front connecting wing (1.12), the outer wall of the front thick section (1.21) of the convex cylindrical rear shell (1.2) is provided with a rear connecting wing, and the front connecting wing (1.12) and the rear connecting wing are fixedly connected with each other through bolts, so that the cylindrical front shell (1.1) and the convex cylindrical rear shell (1.2) are fixed into a whole.

4. The aerator wave box of claim 2, wherein: the sun pinion (2) comprises a gear section (2.1) used for meshing with the planet bull gear (3) and an input shaft (2.2) which is integrally formed with the gear section (2.1) and arranged at the wheel center position of the front end of the gear section (2.1).

5. The aerator wave box of claim 4, wherein: the front end surface of the input shaft (2.2) is provided with a shaft hole (2.21) which is fixedly connected with a motor shaft of the aerator.

6. The aerator wave box of claim 2, wherein: the planet gear wheel (3) is a mute gear.

7. The aerator wave box of claim 2, wherein: a first ball bearing (7) is installed in a wheel center hole of the planet gear wheel (3), and the front end of the wheel shaft (4) is rotatably arranged in the first ball bearing (7).

8. The aerator wave box of claim 2, wherein: the output shaft (6) is sleeved with a second ball bearing (8) which is used for rotatably arranging the output shaft in the rear thin section (1.22).

9. The aerator wave box of claim 2, wherein: the output shaft (6) movably penetrates through an end cover (9) arranged at the rear pipe orifice of the rear thin section (1.22) to be exposed.

10. The aerator wave box of claim 2, wherein: the exposed part of the output shaft (6) is provided with a flange (10) for fixedly connecting an aerator impeller.