CN212106859U - Planetary reducer that stability is high - Google Patents
Planetary reducer that stability is high Download PDFInfo
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- CN212106859U CN212106859U CN202020623733.1U CN202020623733U CN212106859U CN 212106859 U CN212106859 U CN 212106859U CN 202020623733 U CN202020623733 U CN 202020623733U CN 212106859 U CN212106859 U CN 212106859U
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- ball bearing
- flange
- planet carrier
- gear
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Abstract
The utility model provides a planetary reducer with high stability, which comprises an input flange, a middle flange, a gear ring and an output flange which are fixedly connected by screws in turn from left to right; the planetary gear set also comprises an input shaft, a sun gear, a planetary carrier and an output shaft; the input shaft is arranged in the middle flange through a first ball bearing; the sun gear is arranged on the right side of the input shaft; the planet carrier is arranged in the gear ring and the output flange through a second ball bearing; the planet gear is arranged on the left side of the planet carrier and is respectively meshed with the gear ring and the sun gear; the output shaft is arranged on the right side of the planet carrier and is integrated with the planet carrier into a whole; the output shaft is arranged on the output flange through a third ball bearing; the width of the second ball bearing is smaller than that of the third ball bearing; embodies the utility model discloses transmission precision is high, and stability is high.
Description
Technical Field
The utility model relates to a planetary reducer technical field, in particular to planetary reducer that stability is high.
Background
The planetary reducer is widely applied to medical equipment, printing equipment, die cutting equipment, laser equipment, manipulator equipment, automation equipment, robots, automatic machine tools, machine tool manufacturing and the like, and no matter which field is applied, the stability of the planetary reducer is the most important factor, and factors influencing the stability of the planetary reducer are many, such as: whole length, the stability of planet wheel and sun gear installation, planet wheel and sun gear complex precision, complex stability between input shaft and the input shaft connecting seat etc., and this application mainly improves whole length, whole length is short more, this stability is high more, in order to improve the transmission precision, the planet carrier and the output shaft of last one-level on a lot of speed reducers now adopt an organic whole structure, and the support mode of this structure adopts two big bearings that set up side by side to support in output shaft and port junction, otherwise during operation stability is not enough, this mode need reserve the mounted position of two big bearings in the shaft hole of planet speed reducer output, consequently, although the transmission precision has been improved, whole length is corresponding also lengthened, the effect of production is still obvious inadequately, consequently, still need to improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a planetary reducer that stability is high mentions the problem in order to solve the background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a planetary reducer with high stability comprises an input flange, a middle flange, a gear ring and an output flange which are fixedly connected through screws from left to right in sequence; the planetary gear set also comprises an input shaft, a sun gear, a planetary carrier and an output shaft; the input shaft is arranged in the middle flange through a first ball bearing; the sun gear is arranged on the right side of the input shaft; the planet carrier is arranged in the gear ring and the output flange through a second ball bearing; the planet gear is arranged on the left side of the planet carrier and is respectively meshed with the gear ring and the sun gear; the output shaft is arranged on the right side of the planet carrier and is integrated with the planet carrier into a whole; the output shaft is arranged on the output flange through a third ball bearing; the width of the second ball bearing is less than the width of the third ball bearing.
For further description of the utility model, a first spigot is arranged inside the right end of the gear ring; a second spigot is arranged on the outer side of the left end of the planet carrier; the outer surface and the right end surface of the inner ring of the second ball bearing are in contact with the second spigot; the outer surface and the left end face of the outer ring of the ball bearing are in contact with the first spigot, and the right end face of the outer ring of the ball bearing is in contact with the output flange.
For further description of the present invention, the total length from the left end face of the input flange to the right end face of the output flange is 103 mm; the width of the first ball bearing and the third ball bearing is 13-18 mm; the width of the second ball bearing is 7-12 mm.
For further description of the present invention, the width of the first ball bearing and the third ball bearing is 15 mm; the width of the second ball bearing is 9 mm.
To the utility model discloses a further description, the oil blanket is installed to the shaft hole right-hand member of output flange.
The utility model has the advantages that:
set up planet carrier and output shaft structure as an organic whole in this design, planet carrier position department supports in ring gear and output flange through second ball bearing, the output shaft position then supports in output flange through a third ball bearing, this structure setting need not to set up two ball bearings that set up side by side on the output shaft, adopt the little second ball bearing of a specification to support the planet carrier position, holistic length has been shortened under the sufficient prerequisite of stability, thereby improve stability.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a structural view of the ring gear of the present invention;
fig. 3 is a structural diagram of the planet carrier and the output shaft of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1-3, a planetary reducer with high stability comprises an input flange 1, a middle flange 2, a gear ring 3 and an output flange 4 which are fixedly connected with each other through screws from left to right in sequence; the planetary gear set also comprises an input shaft 5, a sun gear 6, a planetary gear 7, a planetary carrier 8 and an output shaft 9; the input shaft 5 is arranged in the intermediate flange 2 through a first ball bearing 10; the sun gear 6 is arranged on the right side of the input shaft 5; the planet carrier 8 is arranged in the gear ring 3 and the output flange 4 through a second ball bearing 11; the planet wheel 7 is arranged on the left side of the planet carrier 8 and is respectively meshed with the gear ring 3 and the sun wheel 6; the output shaft 9 is arranged on the right side of the planet carrier 8 and is integrated with the planet carrier 8 into a whole; the output shaft 9 is mounted on the output flange 4 through a third ball bearing 12; the width of the second ball bearing 11 is smaller than the width of the third ball bearing 12.
A first spigot 31 is arranged inside the right end of the gear ring 3; a second spigot 81 is arranged on the outer side of the left end of the planet carrier 8; the outer surface and the right end surface of the inner ring of the second ball bearing 11 are in contact with the second spigot 81; the outer surface and the left end surface of the outer ring of the ball bearing are in contact with the first spigot 31, and the right end surface is in contact with the output flange 4; this mode not only convenient assembling, stability is also high moreover.
The total length L from the left end face of the input flange 1 to the right end face of the output flange 4 is 103 mm; the width W1 of the first ball bearing 10 and the third ball bearing 12 is 13-18 mm; the width W2 of the second ball bearing 11 is 7-12mm and the width W1 of the first ball bearing 10 and the third ball bearing 12 in the design is 15 mm; the width W2 of the second ball bearing 11 was 9 mm.
And an oil seal 13 is arranged at the right end of the shaft hole of the output flange 4.
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 are still within the scope of the technical solution of the present invention.
Claims (5)
1. A planetary reducer with high stability comprises an input flange, a middle flange, a gear ring and an output flange which are fixedly connected through screws from left to right in sequence; the planetary gear set also comprises an input shaft, a sun gear, a planetary carrier and an output shaft; the method is characterized in that: the input shaft is arranged in the middle flange through a first ball bearing; the sun gear is arranged on the right side of the input shaft; the planet carrier is arranged in the gear ring and the output flange through a second ball bearing; the planet gear is arranged on the left side of the planet carrier and is respectively meshed with the gear ring and the sun gear; the output shaft is arranged on the right side of the planet carrier and is integrated with the planet carrier into a whole; the output shaft is arranged on the output flange through a third ball bearing; the width of the second ball bearing is less than the width of the third ball bearing.
2. A planetary reducer with high stability according to claim 1, wherein: a first spigot is arranged inside the right end of the gear ring; a second spigot is arranged on the outer side of the left end of the planet carrier; the outer surface and the right end surface of the inner ring of the second ball bearing are in contact with the second spigot; the outer surface and the left end face of the outer ring of the ball bearing are in contact with the first spigot, and the right end face of the outer ring of the ball bearing is in contact with the output flange.
3. A planetary reducer with high stability according to claim 1, wherein: the total length from the left end face of the input flange to the right end face of the output flange is 103 mm; the width of the first ball bearing and the third ball bearing is 13-18 mm; the width of the second ball bearing is 7-12 mm.
4. A planetary reducer with high stability according to claim 3, wherein: the width of the first ball bearing and the third ball bearing is 15 mm; the width of the second ball bearing is 9 mm.
5. A planetary reducer with high stability according to claim 1, wherein: and an oil seal is arranged at the right end of the shaft hole of the output flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623733.1U CN212106859U (en) | 2020-04-23 | 2020-04-23 | Planetary reducer that stability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623733.1U CN212106859U (en) | 2020-04-23 | 2020-04-23 | Planetary reducer that stability is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106859U true CN212106859U (en) | 2020-12-08 |
Family
ID=73613611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020623733.1U Active CN212106859U (en) | 2020-04-23 | 2020-04-23 | Planetary reducer that stability is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106859U (en) |
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2020
- 2020-04-23 CN CN202020623733.1U patent/CN212106859U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A planetary reducer with high stability Effective date of registration: 20230224 Granted publication date: 20201208 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN ZHUOLAN AUTOMATION EQUIPMENT Co.,Ltd. Registration number: Y2023980033231 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 5, Lingang Road, Wangniudun, Dongguan, Guangdong 523000 Patentee after: DONGGUAN ZHUOLAN AUTOMATION EQUIPMENT Co.,Ltd. Address before: No.17 Zhifu Road, Mowu community, Wanjiang District, Dongguan City, Guangdong Province 523000 Patentee before: DONGGUAN ZHUOLAN AUTOMATION EQUIPMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |