CN210423599U

CN210423599U - Sun wheel assembly

Info

Publication number: CN210423599U
Application number: CN201921160945.4U
Authority: CN
Inventors: 温玉贵
Original assignee: Qijiang County Qiaoxing Gear Co ltd
Current assignee: Qijiang County Qiaoxing Gear Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-28
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a sun gear assembly, including the activity ring, the upper portion movable mounting of activity ring has last visor one, the lower part movable mounting of activity ring has visor down, the central point of going up visor and lower visor puts and alternates and installs a drive shaft, the upper end and the lower extreme of drive shaft are installation screw rod of fixedly connected with respectively, the middle part of drive shaft alternates and is connected with a sun gear, it is connected with three planetary gear to go up to alternate between visor and the lower visor, and planetary gear is located between sun gear and the activity ring. A sun gear assembly, set up a visor and lower visor in the outside at sun gear and planetary gear, guaranteed in the use, the grit that splashes can not enter into the gear to through activity ring isotructure guaranteed the normal operation of sun gear assembly, through setting up spliced pole and fixed screw, facilitate for installation and dismantlement.

Description

Sun wheel assembly

Technical Field

The utility model relates to a machine part field, in particular to sun gear assembly.

Background

The sun gear belongs to the basic component of an epicyclic gear train, in the planetary gear train, an external gear serving as a central gear is called as the sun gear, and the working characteristics of the planetary gear train are mainly represented by changing a fixed shaft gear train of a fixed gear axis into a gear train with a movable axis, and the planetary gear train has the advantages of small volume, light weight, large bearing capacity, long service life, high transmission efficiency, stable work, low noise and the like; the existing sun gear assembly is lack of a protection device in the use process, and is particularly easy to be influenced by splashed sand and stone when in operation in large-scale machinery for mineral mining, so that the normal operation of a gear is interfered, the service life is influenced, and the sun gear assembly is difficult to detach in the use process, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a sun gear assembly, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sun gear assembly, includes the activity ring, the upper portion movable mounting of activity ring has last visor one, the lower part movable mounting of activity ring has visor down, the central point of going up visor and lower visor puts and alternates and installs a drive shaft, the upper end and the lower extreme of drive shaft are installation screw rod of fixedly connected with respectively, the middle part of drive shaft alternates and is connected with a sun gear, it is connected with three planetary gear to go up to alternate between visor and the lower visor, and planetary gear meshes between sun gear and activity ring.

Preferably, the upper end and the lower end of the upper protective cover and the lower protective cover are respectively provided with a through hole, and the driving shaft movably connects the upper protective cover and the lower protective cover together through the through holes.

Preferably, the upper end of the sun gear is provided with a driving hole which penetrates through the sun gear up and down, the inner wall of the driving hole and the outer surface of the driving shaft are fixedly connected with a plurality of clamping teeth, and the driving shaft is connected with the sun gear in an inserting mode through the driving hole.

Preferably, the bottom of the inner wall of the lower protective cover is provided with three connecting columns, the connecting columns and the lower protective cover are of an integrated structure, the upper ends of the connecting columns are provided with screw holes, the upper ends of the upper protective covers are provided with three fixing screw holes which penetrate through the connecting columns from top to bottom and correspond to the connecting columns in position, the central positions of the planetary gears are provided with connecting holes which are communicated from top to bottom, and the connecting columns penetrate through the fixing screw holes to be inserted into the connecting holes and install the planetary gears between the upper protective cover and the lower protective cover through screws.

Preferably, the upper portion of the inner wall of the lower protective cover is provided with a first movable groove, the lower portion of the inner wall of the upper protective cover is provided with a second movable groove, the upper end and the lower end of each movable ring are respectively provided with a connecting ring, the connecting rings and the movable rings are of an integrated structure, and the connecting rings are respectively positioned in the first movable grooves and the second movable grooves to movably install the movable rings between the upper protective cover and the lower protective cover.

Preferably, a plurality of braking clamping grooves are formed in the outer surfaces of the sun gear and the planet gear, a plurality of movable teeth are fixedly connected to the inner wall of the movable ring, and the movable teeth correspond to the braking clamping grooves.

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

the utility model discloses in, through setting up an last visor and lower visor in the outside of sun gear assembly, inside sun gear and planetary gear have been protected through last visor and lower visor, can effectively prevent the debris entering of outside grit granule in the use, and through the structure of activity ring and drive shaft, when protecting inside, the normal operation of sun gear assembly has been guaranteed, through setting up the spliced pole, interlude hole and fixed screw, when using, can be more convenient install and dismantle, convenience has been brought for the use.

Drawings

Fig. 1 is a schematic view of an overall structure of a sun gear assembly according to the present invention;

fig. 2 is a plan view of the internal structure of a sun gear assembly according to the present invention;

fig. 3 is a schematic view of the overall structure of a sun gear assembly according to the present invention;

fig. 4 is a schematic view of the overall structure of the upper protection cover of the sun gear assembly according to the present invention;

fig. 5 is a schematic view of an overall structure of a lower protection cover of a sun gear assembly according to the present invention.

In the figure: 1. a movable ring; 2. an upper protective cover; 3. a lower protective cover; 4. a drive shaft; 5. installing a screw rod; 6. a sun gear; 7. a planetary gear; 8. a movable gear; 9. connecting holes; 10. a drive aperture; 11. a brake clamping groove; 12. a first movable groove; 13. a connecting ring; 14. connecting columns; 15. inserting holes; 16. a second movable groove; 17. and fixing the screw hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a sun gear assembly includes a movable ring 1, an upper protection cover 2 is movably mounted on an upper portion of the movable ring 1, a lower protection cover 3 is movably mounted on a lower portion of the movable ring 1, a driving shaft 4 is inserted and mounted in a central position of the upper protection cover 2 and the lower protection cover 3, an installation screw 5 is fixedly connected to an upper end and a lower end of the driving shaft 4 respectively, a sun gear 6 is inserted and connected to a middle portion of the driving shaft 4, three planetary gears 7 are inserted and connected between the upper protection cover 2 and the lower protection cover 3, and the planetary gears 7 are engaged between the sun gear 6 and the movable ring 1.

The upper end and the lower end of the upper protective cover 2 and the lower protective cover 3 are respectively provided with a through hole 15, and the driving shaft 4 movably connects the upper protective cover 2 and the lower protective cover 3 together through the through holes 15; the upper end of the sun wheel 6 is provided with a driving hole 10 which penetrates through the sun wheel up and down, the inner wall of the driving hole 10 and the outer surface of the driving shaft 4 are fixedly connected with a plurality of clamping teeth, and the driving shaft 4 is connected with the sun wheel 6 in an inserting mode through the driving hole 10; the bottom of the inner wall of the lower protective cover 3 is provided with three connecting columns 14, the connecting columns 14 and the lower protective cover 3 are of an integral structure, the upper ends of the connecting columns 14 are provided with screw holes, the upper end of the upper protective cover 2 is provided with three fixing screw holes 17 which penetrate through the upper and lower parts and correspond to the positions of the connecting columns 14, the central positions of the planetary gears 7 are provided with connecting holes 9 which penetrate through the upper and lower parts, the connecting columns 14 penetrate through the fixing screw holes 17 to be inserted into the connecting holes 9, and the planetary gears 7 are installed between the upper protective cover 2 and the lower protective; the upper part of the inner wall of the lower protective cover 3 is provided with a first movable groove 12, the lower part of the inner wall of the upper protective cover 2 is provided with a second movable groove 16, the upper end and the lower end of the movable ring 1 are respectively provided with a connecting ring 13, the connecting rings 13 and the movable ring 1 are integrated, the connecting rings 13 are respectively positioned in the first movable groove 12 and the second movable groove 16, and the movable ring 1 is movably arranged between the upper protective cover 2 and the lower protective cover 3; the outer surfaces of the sun gear 6 and the planet gear 7 are respectively provided with a plurality of brake clamping grooves 11, the inner wall of the movable ring 1 is fixedly connected with a plurality of movable teeth 8, and the movable teeth 8 correspond to the brake clamping grooves 11.

It should be noted that, the present invention is a sun gear assembly, by arranging the upper protective cover 2, the lower protective cover 3 and the movable ring 1 outside the sun gear 6 and the planet gear 7, when installing, the connecting ring 13 on the movable ring 1 is placed in the first movable groove 12 of the lower protective cover 3, then the sun gear 6 is inserted and connected to the lower part of the driving shaft 4, the driving shaft 4 is inserted and installed in the inserting hole 15 of the lower protective cover 3, the planet gear 7 is inserted and installed on the connecting post 14 through the connecting hole 9 and corresponds to the movable tooth 8 on the sun gear 6, after the second movable groove 16 on the upper protective cover 2 corresponds to the connecting ring 13 on the upper part of the movable ring 1, the upper protective cover is fixed with the connecting post 14 through the fixing screw hole 17, the normal operation of the sun gear 6 and the planet gear 7 inside can be protected through such a structure, the splashing sand is avoided, and the planet gear 7 drives the movable ring 1 to rotate when the sun gear 6 rotates, the normal operation of the sun gear assembly is ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sun gear assembly comprising a mobile ring (1), characterized in that: the upper portion movable mounting of activity ring (1) has last visor (2) one, the lower part movable mounting of activity ring (1) has visor (3) down, go up visor (2) and the central point of lower visor (3) puts and alternates and installs a drive shaft (4), the upper end and the lower extreme of drive shaft (4) are installation screw (5) of fixedly connected with respectively, the middle part of drive shaft (4) alternates and is connected with a sun gear (6), it has three planetary gear (7) to alternate between visor (2) and lower visor (3) to go up, and planetary gear (7) meshing is between sun gear (6) and activity ring (1).

2. A sun gear assembly according to claim 1, wherein: the upper end and the lower end of the upper protective cover (2) and the lower protective cover (3) are respectively provided with a through hole (15), and the driving shaft (4) movably connects the upper protective cover (2) and the lower protective cover (3) together through the through holes (15).

3. A sun gear assembly according to claim 1, wherein: the upper end of sun gear (6) is opened has drive hole (10) of upper and lower break-over, on the inner wall of drive hole (10) and the surface fixed connection of drive shaft (4) have a plurality of latch, drive shaft (4) link together through drive hole (10) and sun gear (6) interlude.

4. A sun gear assembly according to claim 1, wherein: the inner wall bottom of lower visor (3) is provided with three spliced pole (14), spliced pole (14) and lower visor (3) structure as an organic whole, open the upper end of spliced pole (14) has the screw, open the upper end of going up visor (2) and have fixed screw (17) that three upper and lower break-over and correspond with spliced pole (14) position, the central point of planetary gear (7) puts and all opens connecting hole (9) that link up from top to bottom, spliced pole (14) pass fixed screw (17) alternate in connecting hole (9) and install planetary gear (7) between last visor (2) and lower visor (3) through the screw.

5. A sun gear assembly according to claim 1, wherein: lower inner wall upper portion of visor (3) is opened there is a movable groove (12), it has a movable groove (16) No. two to go up the inner wall lower part of visor (2) to open, the upper end and the lower extreme of activity ring (1) are provided with a go-between (13) respectively, go-between (13) and activity ring (1) structure as an organic whole, go-between (13) are located activity groove (12) and No. two activity grooves (16) respectively with activity ring (1) movable mounting at last visor (2) and under between visor (3).

6. A sun gear assembly according to claim 1, wherein: a plurality of braking clamping grooves (11) are formed in the outer surfaces of the sun gear (6) and the planet gear (7), a plurality of movable teeth (8) are fixedly connected to the inner wall of the movable ring (1), and the movable teeth (8) correspond to the braking clamping grooves (11).