CN216478713U - Eccentric shaft planetary reducer - Google Patents

Eccentric shaft planetary reducer Download PDF

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Publication number
CN216478713U
CN216478713U CN202122625403.3U CN202122625403U CN216478713U CN 216478713 U CN216478713 U CN 216478713U CN 202122625403 U CN202122625403 U CN 202122625403U CN 216478713 U CN216478713 U CN 216478713U
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CN
China
Prior art keywords
output shaft
eccentric
frame body
planetary
shaft
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Active
Application number
CN202122625403.3U
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Chinese (zh)
Inventor
周武
李国辉
谭丽萍
梁敏茵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Zhuolan Automation Equipment Co ltd
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Dongguan Zhuolan Automation Equipment Co ltd
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Priority to CN202122625403.3U priority Critical patent/CN216478713U/en
Application granted granted Critical
Publication of CN216478713U publication Critical patent/CN216478713U/en
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Abstract

The utility model provides an eccentric shaft planetary reducer, which comprises a shell, a planetary reduction assembly, an output shaft and an eccentric transmission assembly, wherein the output shaft is connected with the planetary reduction assembly; the planetary reduction assembly is arranged in the shell; the left end of the planetary speed reducing assembly is an input end, and the right end of the planetary speed reducing assembly is an output end; the eccentric transmission component comprises a first inner gear ring, an eccentric planet carrier and an output shaft transmission gear set; the first inner gear ring is fixed on the left side of the shell; the eccentric planet carrier is rotationally connected in the first inner gear ring and is connected with the output end of the planetary speed reduction assembly; an output shaft mounting hole which is eccentrically arranged is formed in the eccentric planet carrier; the output shaft is arranged in the output shaft mounting hole; a driven gear is mounted on the output shaft; the output shaft transmission gear set is arranged on the eccentric planet carrier; the output shaft transmission gear set is respectively meshed with the first inner gear ring and the driven gear; the utility model can drive the output shaft to revolve when rotating so as to adapt to the required application scene.

Description

Eccentric shaft planetary reducer
Technical Field
The utility model relates to the technical field of planetary speed reducers, in particular to an eccentric shaft planetary speed reducer.
Background
The planetary reducer is widely moved at present, an output shaft of the conventional planetary reducer is mostly output at a central position, and the planetary reducer is also provided with a part of eccentric shafts, but the conventional planetary reducer with the eccentric shafts can only rotate at the eccentric position and cannot revolve around the center, and along with the more and more wide application, functions required by customers are more and more, and a planetary reducer with an output shaft capable of rotating and revolving at the same time is urgently needed at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an eccentric shaft planetary reducer to solve the problems mentioned in the background technology.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an eccentric shaft planetary reducer comprises a shell, a planetary reduction assembly, an output shaft and an eccentric transmission assembly; the planetary speed reduction assembly is arranged in the shell; the left end of the planetary speed reducing assembly is an input end, and the right end of the planetary speed reducing assembly is an output end; the eccentric transmission component comprises a first inner gear ring, an eccentric planet carrier and an output shaft transmission gear set; the first inner gear ring is fixed on the left side of the shell; the eccentric planet carrier is rotationally connected in the first inner gear ring and is connected with the output end of the planetary speed reduction assembly; an output shaft mounting hole which is eccentrically arranged is formed in the eccentric planet carrier; the output shaft is arranged in the output shaft mounting hole; a driven gear is mounted on the output shaft; the output shaft transmission gear set is arranged on the eccentric planet carrier; and the output shaft transmission gear set is respectively meshed with the first inner gear ring and the driven gear.
The utility model is further described, the eccentric planet carrier comprises a left frame body and a right frame body which is connected to the right side of the left frame body through a shaft column; the left frame body and the right frame body are respectively installed in the first inner gear ring through first bearings; the output shaft mounting holes are respectively arranged on the left frame body and the right frame body and are coaxially arranged; the right frame body is connected with the output end of the planetary speed reducing assembly; the output shaft is arranged in the output shaft mounting holes of the left frame body and the right frame body through a second bearing; the driven gear is arranged on the output shaft through a key slot and is positioned between the left frame body and the right frame body; and the output shaft transmission gear set is arranged on the shaft column.
For further description of the utility model, the two shaft columns are arranged; the output shaft transmission gear set comprises a first transmission gear and a second transmission gear; the first transmission gear is arranged on one of the shaft columns and is meshed with the inner teeth of the first inner gear ring; and the second transmission gear is arranged on the other shaft column and is respectively meshed with the first transmission gear and the driven gear.
For further description of the present invention, the right frame body is connected to the output end of the planetary reduction assembly through the positioning column.
For further description of the present invention, the right frame body is fixedly connected with the output end of the planetary reduction assembly through a screw.
For further description of the present invention, an oil seal is installed between the output shaft and the left port of the left frame body.
The utility model has the beneficial effects that:
the motor is installed and is connected with planetary reduction subassembly's input at the left end of shell, after slowing down through planetary reduction subassembly, output through planetary reduction subassembly drives eccentric planet carrier and rotates, the output shaft mounting hole of eccentric settings has been set up on eccentric planet carrier, install the output shaft on this output shaft mounting hole, at the in-process of eccentric planet carrier rotation, then drive the central revolution of output shaft round eccentric planet carrier, eccentric planet carrier has installed output shaft transmission gear set simultaneously, this output shaft transmission gear set meshes with the internal tooth of first ring gear and the driven gear on the output shaft, can further realize the speed reduction effect, can also drive the output shaft and rotate, thereby carry out the revolution when realizing the output shaft rotation, in order to adapt to the application scene that needs.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is an exploded view of a partial structure of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, an eccentric shaft planetary reducer comprises a housing 1, a planetary reduction assembly 2, an output shaft 3 and an eccentric transmission assembly 4; the planetary reduction assembly 2 is arranged in the shell 1; the left end of the planetary speed reducing assembly 2 is an input end 21, and the right end of the planetary speed reducing assembly is an output end 22; the eccentric transmission assembly 4 comprises a first inner gear ring 41, an eccentric planet carrier 42 and an output shaft transmission gear set 43; the first inner gear ring 41 is fixed on the left side of the shell 1; the eccentric planet carrier 42 is rotationally connected in the first ring gear 41 and is connected with the output end 22 of the planetary reduction assembly 2; the eccentric planet carrier 42 is internally provided with an eccentrically arranged output shaft mounting hole 4201; the output shaft 3 is mounted in the output shaft mounting hole 4201; a driven gear 31 is mounted on the output shaft 3; the output shaft transmission gear set 43 is mounted on the eccentric planet carrier 42; the output shaft transmission gear set 43 is respectively meshed with the first inner gear ring 41 and the driven gear 31; the shell 1 comprises an input shaft flange 11, a second ring gear 12 and a connecting flange 13 which are fixedly connected in sequence from right to left, when in use, a motor is fixed on the right side of the input shaft flange 11, an output end 22 of the motor is connected with an input end 21 of the planetary reduction assembly 2, the motor drives the planetary reduction assembly 2 to run, power is output to an eccentric planet carrier 42 connected with the output end 22 of the planetary reduction assembly 2 after being reduced by the planetary reduction assembly 2, the eccentric planet carrier 42 is driven to rotate around the center, an eccentrically arranged output shaft mounting hole 4201 is arranged on the eccentric planet carrier 42, an output shaft 3 is mounted on the output shaft mounting hole 4201, an output shaft 3 is driven to revolve around the center of the eccentric planet carrier 42 in the rotating process of the eccentric planet carrier 42, an output shaft transmission gear set 43 is mounted on the eccentric planet carrier 42, and the output shaft transmission gear set 43 is meshed with internal teeth of the first ring gear 41 and driven gears 31 on the output shaft 3, the speed reduction effect can be further realized, and the output shaft 3 can be driven to rotate, so that the output shaft 3 revolves while rotating, and the corresponding application scene is adapted.
The eccentric planet carrier 42 comprises a left carrier body 421 and a right carrier body 422 connected to the right side of the left carrier body 421 through a shaft column 423; the left frame body 421 and the right frame body 422 are respectively installed in the first inner gear ring 41 through a first bearing 5; the output shaft mounting holes 4201 are respectively arranged on the left frame body 421 and the right frame body 422 and are coaxially arranged; the right frame body 422 is connected with the output end 22 of the planetary reduction assembly 2; the output shaft 3 is mounted in the output shaft mounting holes 4201 of the left and right frame bodies 421 and 422 through the second bearing 6; the driven gear 31 is mounted on the output shaft 3 through a key slot and is positioned between the left frame body 421 and the right frame body 422; output shaft drive gear group 43 installs on jack-post 423, right support body 422 passes through reference column 7 or the screw is connected with planetary reduction assembly 2's output 22, this embodiment adopts reference column 7, convenient dismantlement, planetary reduction assembly 2's output 22 drives right support body 422 and rotates, right support body 422 passes through jack-post 423 synchronous drive left support body 421 and rotates, output shaft mounting hole 4201 is coaxial to be set up on left support body 421 and right support body 422, install output shaft 3 on left support body 421 and right support body 422's output shaft mounting hole 4201, drive gear group and driven gear 31 again between left support body 421 and the right support body 422 transmit, this design stability is high.
The number of the shaft posts 423 is two; the output shaft transmission gear set 43 includes a first transmission gear 431 and a second transmission gear 432; the first transmission gear 431 is mounted on one of the shaft posts 423 and engaged with the internal teeth of the first ring gear 41; the second transmission gear 432 is mounted on the other shaft 423 and engaged with the first transmission gear 431 and the driven gear 31, respectively, and the arrangement is such that the rotation and revolution directions of the output shaft 3 are opposite.
And an oil seal 8 is arranged between the output shaft 3 and the left port of the left frame body 421.
The working principle of the embodiment is as follows:
the motor drives the planetary reduction assembly 2 to operate, after the speed of the planetary reduction assembly 2 is reduced, power is output to the eccentric planet carrier 42 connected with the output end 22 of the planetary reduction assembly 2, the eccentric planet carrier 42 is driven to rotate around the center, the eccentric planet carrier 42 drives the output shaft 3 to revolve around the center of the eccentric planet carrier 42, meanwhile, the output shaft transmission gear set 43 is meshed with the inner teeth of the first inner gear ring 41 and the driven gear 31 on the output shaft 3, the speed reduction effect can be further achieved, the output shaft 3 can also be driven to rotate, and therefore the output shaft 3 can revolve while rotating.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (6)

1. The utility model provides an eccentric shaft planetary reducer, includes shell, planet speed reduction subassembly and output shaft, its characterized in that: the eccentric transmission component is also included; the planetary speed reduction assembly is arranged in the shell; the left end of the planetary speed reducing assembly is an input end, and the right end of the planetary speed reducing assembly is an output end; the eccentric transmission component comprises a first inner gear ring, an eccentric planet carrier and an output shaft transmission gear set; the first inner gear ring is fixed on the left side of the shell; the eccentric planet carrier is rotationally connected in the first inner gear ring and is connected with the output end of the planetary speed reduction assembly; an output shaft mounting hole which is eccentrically arranged is formed in the eccentric planet carrier; the output shaft is arranged in the output shaft mounting hole; a driven gear is mounted on the output shaft; the output shaft transmission gear set is arranged on the eccentric planet carrier; and the output shaft transmission gear set is respectively meshed with the first inner gear ring and the driven gear.
2. The eccentric shaft planetary reducer according to claim 1, wherein: the eccentric planet carrier comprises a left frame body and a right frame body connected to the right side of the left frame body through a shaft column; the left frame body and the right frame body are respectively installed in the first inner gear ring through first bearings; the output shaft mounting holes are respectively arranged on the left frame body and the right frame body and are coaxially arranged; the right frame body is connected with the output end of the planetary speed reducing assembly; the output shaft is arranged in the output shaft mounting holes of the left frame body and the right frame body through a second bearing; the driven gear is arranged on the output shaft through a key slot and is positioned between the left frame body and the right frame body; and the output shaft transmission gear set is arranged on the shaft column.
3. The eccentric shaft planetary reducer according to claim 2, wherein: two shaft columns are arranged; the output shaft transmission gear set comprises a first transmission gear and a second transmission gear; the first transmission gear is arranged on one of the shaft columns and is meshed with the inner teeth of the first inner gear ring; and the second transmission gear is arranged on the other shaft column and is respectively meshed with the first transmission gear and the driven gear.
4. The eccentric shaft planetary reducer according to claim 2, wherein: the right support body is connected with the output end of the planetary reduction assembly through the positioning column.
5. The eccentric shaft planetary reducer according to claim 2, wherein: the right frame body is fixedly connected with the output end of the planetary reduction assembly through a screw.
6. The eccentric shaft planetary reducer according to claim 2, wherein: and an oil seal is arranged between the output shaft and the left port of the left frame body.
CN202122625403.3U 2021-10-29 2021-10-29 Eccentric shaft planetary reducer Active CN216478713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122625403.3U CN216478713U (en) 2021-10-29 2021-10-29 Eccentric shaft planetary reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122625403.3U CN216478713U (en) 2021-10-29 2021-10-29 Eccentric shaft planetary reducer

Publications (1)

Publication Number Publication Date
CN216478713U true CN216478713U (en) 2022-05-10

Family

ID=81444069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122625403.3U Active CN216478713U (en) 2021-10-29 2021-10-29 Eccentric shaft planetary reducer

Country Status (1)

Country Link
CN (1) CN216478713U (en)

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