CN214063687U - Planetary transmission gear box - Google Patents

Abstract

The utility model discloses a planetary transmission gear box, be provided with outer gear frame in the shell body, outer gear frame one side is provided with the axle bed, be provided with first gear in the outer gear frame, second gear and third gear, and first gear, second gear and third gear rotate through axle and axle bed respectively and are connected, first gear and third gear engagement, third gear and second gear engagement, driven shaft one end and third gear engagement, under the unchangeable circumstances of torque requirement, the structure that application planet structure and parallel shaft combined has reduced the volume of speed reducer, realized the interchange with pure parallel shaft structure speed reducer under the circumstances that does not change mounted position, it is steady to have the transmission, the bearing capacity is big, little space has big drive ratio, the life-span is longer, small in size.

Description

Planetary transmission gear box

Technical Field

The utility model relates to a drive gear box technical field especially relates to a planetary drive gear box.

Background

The planetary gear box is an important part widely used in mechanical transmission, but errors such as tooth pitch and tooth form inevitably exist in gear meshing, meshing impact is generated in the operation process, and noise corresponding to the gear meshing frequency is generated. Since the gears are basic parts in gear transmission, reducing gear noise is essential to controlling gear box noise.

However, the existing planetary gear box needs to bear larger torque, the installation position is limited, and the input shaft and the output shaft are offset, so that the improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, a planetary transmission gear box is provided, under the unchangeable circumstances of torsion requirement, the structure that application planet structure and parallel shaft combine has reduced the volume of speed reducer, realized under the circumstances that does not change mounted position with exchanging of pure parallel shaft structure speed reducer, it is steady to have the transmission, the bearing capacity is big, little space has big drive ratio, the life-span is longer, small in size, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a planetary transmission gear box, include:

one end of the driving shaft penetrates through the first bearing seat and the second bearing seat and is in rotary connection with the first bearing seat and the second bearing seat;

the gear transmission mechanism comprises an outer shell, wherein an outer gear frame is arranged in the outer shell, a shaft seat is arranged on one side of the outer gear frame, a first gear, a second gear and a third gear are arranged in the outer gear frame, and the first gear, the second gear and the third gear are respectively in rotary connection with the shaft seat through shafts, wherein the first gear is meshed with the third gear, and the third gear is meshed with the second gear;

a driven shaft, one end of which is engaged with the third gear;

the front cover body is arranged on one side of the outer shell body in a covering mode, and the other side cover of the outer shell body is provided with a rear cover body.

As a preferred scheme, the planetary transmission gear box further comprises a third bearing seat, the third bearing seat is arranged on the driven shaft, and the third bearing seat is arranged in the middle of the rear cover body.

As a preferable scheme, the planetary transmission gearbox further comprises a gasket, and the gasket is arranged at the joint between the outer shell and the front cover body and the joint between the outer shell and the rear cover body.

As a preferred scheme, the planetary transmission gearbox further comprises a base, and the base is arranged below the outer shell.

Preferably, the outer housing and the base are integrally formed.

As a preferable scheme, a plurality of strip-shaped reinforcing ribs are arranged on the outer surface of the outer shell.

The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:

be provided with the external gear frame in the shell body, external gear frame one side is provided with the axle bed, be provided with first gear in the external gear frame, second gear and third gear, and first gear, second gear and third gear are connected through axle and axle bed rotation respectively, first gear and third gear meshing, third gear and second gear meshing, driven shaft one end and third gear meshing, under the unchangeable circumstances of torsion requirement, the structure that application planetary structure and parallel axle combine has reduced the volume of speed reducer, realized exchanging with pure parallel axle structure speed reducer under the circumstances that does not change the mounted position, it is steady to have the transmission, the bearing capacity is big, little space has big drive ratio, long service life, small in size.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a perspective view of a planetary transmission gear box in the embodiment of the present invention.

Fig. 2 is another perspective view of the planetary transmission gear box according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of the planetary transmission gear box according to the embodiment of the present invention after the outer casing and the front cover are removed.

Fig. 4 is another schematic diagram of the planetary transmission gear box according to the embodiment of the present invention, after the outer casing and the front cover are removed.

Fig. 5 is a schematic view of the internal structure of the planetary transmission gear box according to the embodiment of the present invention.

Reference numbers in the figures: 1. a base; 2. an outer housing; 3. a front cover body; 4. a first bearing housing; 5. a rear cover body; 6. a drive shaft; 7. a driven shaft; 8. a second bearing housing; 9. an outer gear frame; 10. a shaft seat; 11. a third bearing seat; 12. a gasket; 13. a first gear; 14. a second gear; 15. a third gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.

Example (b):

referring to fig. 1-5, the present embodiment provides a planetary transmission gearbox, including: a driving shaft 6, one end of the driving shaft 6 penetrates through the first bearing seat 4 and the second bearing seat 8, and is rotatably connected with the first bearing seat 4 and the second bearing seat 8;

the gear transmission mechanism comprises an outer shell 2, wherein an outer gear frame 9 is arranged in the outer shell 2, a shaft seat 10 is arranged on one side of the outer gear frame 9, a first gear 13, a second gear 14 and a third gear 15 are arranged in the outer gear frame 9, the first gear 13, the second gear 14 and the third gear 15 are respectively in rotating connection with the shaft seat 10 through shafts, the first gear 13 is meshed with the third gear 15, and the third gear 15 is meshed with the second gear 14;

a driven shaft 7, one end of the driven shaft 7 is meshed with the third gear 15;

the front cover body 3 covers one side of the outer shell body 2, and the other side cover of the outer shell body 2 is provided with a rear cover body 5.

Planetary transmission gear box, still include third bearing seat 11, third bearing seat 11 set up in on the driven shaft 7, just third bearing seat 11 set up in the middle part of back lid 5.

Planetary transmission gear box, still include packing ring 12, packing ring 12 set up in shell body 2 respectively with junction between preceding lid 3 and the back lid 5.

Planetary transmission gear box, still include base 1, base 1 set up in shell body 2 below, shell body 2 with 1 integrated into one piece of base, 2 surfaces of shell body are provided with a plurality of strip strengthening ribs.

The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:

be provided with external gear frame 9 in the shell body 2, external gear frame 9 one side is provided with axle bed 10, be provided with first gear 13 in the external gear frame 9, second gear 14 and third gear 15, and first gear 13, second gear 14 and third gear 15 rotate through axle and axle bed 10 respectively and are connected, first gear 13 and the meshing of third gear 15, third gear 15 and the meshing of second gear 14, driven shaft 7 one end and the meshing of third gear 15, consequently, it is steady to have the transmission, the bearing capacity is big, there is big drive ratio in little space, the life-span is longer, small in size.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A planetary transmission gearbox characterized in that: the method comprises the following steps:

the device comprises a driving shaft (6) and a first bearing seat (4), wherein one end of the driving shaft (6) penetrates through the first bearing seat (4) and a second bearing seat (8) and is in rotary connection with the first bearing seat (4) and the second bearing seat (8);

the gear transmission mechanism comprises an outer shell (2), wherein an outer gear frame (9) is arranged in the outer shell (2), a shaft seat (10) is arranged on one side of the outer gear frame (9), a first gear (13), a second gear (14) and a third gear (15) are arranged in the outer gear frame (9), the first gear (13), the second gear (14) and the third gear (15) are respectively in rotating connection with the shaft seat (10) through shafts, the first gear (13) is meshed with the third gear (15), and the third gear (15) is meshed with the second gear (14);

a driven shaft (7), one end of the driven shaft (7) is meshed with the third gear (15);

the front cover body (3) is arranged on one side of the outer shell (2) in a covering mode, and the other side cover of the outer shell (2) is provided with a rear cover body (5).

2. The planetary drive gearbox as set forth in claim 1, wherein: still include third bearing seat (11), third bearing seat (11) set up in on driven shaft (7), just third bearing seat (11) set up in the middle part of back lid (5).

3. The planetary drive gearbox as set forth in claim 2, wherein: the novel solar cell module further comprises a gasket (12), wherein the gasket (12) is arranged at the joint between the outer shell (2) and the front cover body (3) and the rear cover body (5) respectively.

4. An epicyclic transmission gearbox according to claim 3, wherein: still include base (1), base (1) set up in shell body (2) below.

5. The planetary drive gearbox of claim 4, wherein: the outer shell (2) and the base (1) are integrally formed.

6. An epicyclic gearbox according to claim 5, wherein: the outer surface of the outer shell (2) is provided with a plurality of strip-shaped reinforcing ribs.

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