CN215673422U - Coaxial two-stage double-shaft output planetary gear reducer - Google Patents
Coaxial two-stage double-shaft output planetary gear reducer Download PDFInfo
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- CN215673422U CN215673422U CN202122484565.XU CN202122484565U CN215673422U CN 215673422 U CN215673422 U CN 215673422U CN 202122484565 U CN202122484565 U CN 202122484565U CN 215673422 U CN215673422 U CN 215673422U
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Abstract
The utility model particularly relates to a coaxial two-stage double-shaft output planetary gear reducer which comprises a horizontal box body, wherein an input shaft is arranged at the front end of the box body, an output shaft is arranged at the rear end of the box body, and a planetary transmission mechanism is arranged in the box body. The utility model has the beneficial effects that: reasonable design, convenient use and high deceleration ratio. The utility model can output double shafts simultaneously, improve the production efficiency and reduce the cost.
Description
Technical Field
The utility model belongs to the field of speed reducer devices, and particularly relates to a coaxial two-stage double-shaft output planetary gear speed reducer.
Background
The planetary reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase output torque, and a power transmission device used for connecting a power source and an actuating mechanism is indispensable in the field of transmission equipment in industries such as lifting, digging, transportation, construction, metallurgy, industrial production and the like, and has the characteristics of large input power, high output torque and severe working environment, wherein the existing Chinese patent office discloses a speed reducer with the publication number of CN111536208A and the publication date of No. 8/14 in 2020, the utility model relates to the technical field of speed reducers, in particular to a planetary gear speed reducer, which comprises: the device comprises a shell, a sun gear, a planet gear, a gear ring, a planet carrier, an output shaft and an input shaft. However, the planetary gear reducer of the above technology adopts one-stage reduction, has low reduction ratio and single-shaft output, and cannot meet the requirement that multiple machines work simultaneously in the operation production process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coaxial two-stage double-shaft output planetary gear reducer, which changes the lower speed reduction efficiency and single-shaft output mode of the traditional planetary gear reducer, adopts two-stage speed reduction, provides high speed reduction efficiency, simultaneously adopts double output shafts and can meet the requirement of simultaneous operation and production of a plurality of machines.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a coaxial two-stage double-shaft output planetary gear reducer comprises a horizontal box body, wherein an input shaft is arranged at the front end of the box body, an output shaft is arranged at the rear end of the box body, and a planetary transmission mechanism is arranged in the box body, and is characterized in that the box body comprises an input shaft box body, a planetary transmission box body and an output shaft box body from front to back, one end of the input shaft is arranged in the input shaft box body through a bearing, the planetary transmission box body comprises a first planetary transmission box body and a second planetary transmission box body from front to back, the second planetary transmission box body is larger than the first transmission box body, a transition support box body is arranged between the two box bodies, a first planetary transmission mechanism is arranged in the first planetary transmission box body, the first planetary transmission mechanism comprises a first planet carrier, a first sun gear, a first planet gear and a first inner gear ring gear, the first inner gear is arranged on the inner wall of the first planetary transmission box body, the first sun gear is arranged in the middle part in the first planetary transmission box body, the front end of the shaft is coaxially connected with the input shaft, a plurality of first planet gears which are simultaneously meshed with the first sun gear and the first inner gear ring are arranged between the first sun gear and the first inner gear ring, pin shafts of all the first planet gears are connected with a first planet carrier, a second planet transmission mechanism with the same structure as the first planet transmission mechanism is arranged in a second planet transmission box, a middle shaft of a second sun gear of the second planet transmission mechanism is coaxially connected with a middle shaft of the first planet carrier, a main output shaft and an auxiliary output shaft which are installed through bearings are arranged in an output shaft box, the main output shaft is coaxially connected with the middle shaft of a second planet carrier of the second planet transmission mechanism, a driving wheel is further arranged on the main output shaft, and a driven wheel meshed with the driving wheel is arranged on the auxiliary output shaft.
The input shaft drives a first sun gear to rotate under the driving of an external power mechanism, the first sun gear is meshed with a first planet gear, the first planet gear and a first inner gear ring are matched to drive a first planet carrier to rotate, the first planet carrier drives a second sun gear to rotate, the second sun gear is meshed with a second planet gear, the second planet gear and a second inner gear ring are matched to drive a second planet carrier to rotate and output to realize secondary speed reduction, the second planet carrier drives a main output shaft to rotate to realize the rotation of a driving wheel, the rotation of a driven wheel and an auxiliary output shaft is further realized, and double-shaft output is realized.
The main output shaft and the auxiliary output shaft are connected by the driving wheel and the driven wheel, and the output rotating speed of the auxiliary output shaft can be changed to be the same as or different from the rotating speed of the main output shaft by changing the sizes of the driving wheel and the driven wheel.
Furthermore, the gear of the utility model adopts high-quality alloy steel, the surface of which is processed by carburizing, quenching and hardening, and the gear is ground and finished, and has the advantages of stable transmission, low noise, large bearing capacity, low temperature rise and long service life.
Furthermore, the box body is made of high-quality forged steel materials.
Furthermore, the input shaft box body and the output shaft box body are respectively provided with an input shaft box body end cover and an output shaft box body end cover, and oil seals are arranged at the joints of the input shaft, the main output shaft, the auxiliary output shaft and the corresponding end covers.
The oil seal is arranged to prevent lubricating oil from leaking and prevent garbage, dust and the like from invading from the outside, and frequent oil change is not needed.
The utility model has the beneficial effects that:
reasonable design, convenient use and high deceleration ratio. The utility model can output double shafts simultaneously, improve the production efficiency and reduce the cost.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 3 is a schematic sectional view A-A of FIG. 2.
FIG. 1 shows an input shaft; 2. an input shaft box; 3. a first sun gear; 4. a first planet gear; 5. a first ring gear; 6. a first planetary transmission housing; 7. a transition support box body; 8. a second planetary transmission case; 9. a second ring gear; 10. a second planet wheel; 11. a driven wheel; 12. an auxiliary output shaft; 13. a main output shaft; 14. oil sealing; 15. an output shaft box end cover; 16. an output shaft box body; 17. a driving wheel; 18. a second planet carrier; 19. a second sun gear; 20. a first carrier; 21. an input shaft box end cover; 22. and a bearing.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
As shown in fig. 1, 2, and 3: the input shaft box body 2, the first planetary transmission box body 6, the second planetary transmission box body 8 and the output shaft box body 16 are sequentially connected from front to back, one end of an input shaft 1 is installed in the input shaft box body 2 through a bearing 22, the second planetary transmission box body 8 is larger than the first transmission box body 6, a transition support box body 7 is arranged between the two box bodies, a first planetary transmission mechanism is arranged in the first planetary transmission box body 6 and comprises a first planet carrier 20, a first sun wheel 3, the first planet wheel 4 and a first inner gear ring 5, the first inner gear ring 5 is installed on the inner wall of the first planetary transmission box body 6, the first sun wheel 3 is installed in the middle of the first planetary transmission box body 6, the front end of the shaft is coaxially connected with the input shaft 1, a plurality of first planet wheels 4 which are meshed with the first sun wheel 3 and the first inner gear ring 5 at the same time are arranged between the first sun wheel 3 and the first inner gear ring 5, pin shafts of all the first planet wheels 4 are connected with the first planet carrier 20, a second planetary transmission mechanism with the same structure as the first planetary transmission mechanism is arranged in the second planetary transmission box body 8, the second planetary transmission mechanism comprises a second planet carrier 18, a second sun gear 19, a second planet gear 10 and a second inner gear ring 9, the second inner gear ring 9 is arranged on the inner wall of the second planetary transmission box body 8, the second sun gear 19 is arranged in the middle of the second planetary transmission box body 8, the shaft of the second sun gear 19 is coaxially connected with the middle shaft of the first planet carrier 20, a plurality of second planet gears 10 which are simultaneously meshed with the second sun gear 19 and the second inner gear ring 9 are arranged between the second sun gear 19 and the second inner gear ring 9, pin shafts of all the second planet gears 10 are all connected with the second planet carrier 18, a main output shaft 13 and an auxiliary output shaft 12 which are installed through bearings are arranged in an output shaft box body 16, the main output shaft 13 is coaxially connected with the middle shaft of the second planet carrier 18, a driving wheel 17 is further arranged on the main output shaft 13, and a driven wheel 11 meshed with the driving wheel is arranged on the auxiliary output shaft 12. The joint of the input shaft 1 and the input shaft box body end cover 21 is provided with an oil seal 14, and the joints of the main output shaft 13 and the auxiliary output shaft 12 and the output shaft box body end cover 15 are provided with oil seals.
The working principle is as follows:
the input shaft 1 is driven by an external power mechanism to drive a first sun gear 3 to rotate, the first sun gear 3 is meshed with a first planet gear 4, the first planet gear 4 is matched with a first inner gear ring 5 to drive a first planet carrier 20 to rotate, the first planet carrier 20 drives a second sun gear 19 to rotate, the second sun gear 19 is meshed with a second planet gear 10, the second planet gear 10 is matched with a second inner gear ring 9 to drive a second planet carrier 20 to rotate and output to realize secondary speed reduction, the second planet carrier 18 drives a main output shaft 13 to rotate so as to realize rotation of a driving wheel 17, further rotation of a driven wheel 11 and an auxiliary output shaft 12 is realized, and double-shaft output is realized.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (2)
1. A coaxial two-stage double-shaft output planetary gear reducer comprises a horizontal box body, wherein an input shaft is arranged at the front end of the box body, an output shaft is arranged at the rear end of the box body, and a planetary transmission mechanism is arranged in the box body, and is characterized in that the box body comprises an input shaft box body, a planetary transmission box body and an output shaft box body from front to back, one end of the input shaft is arranged in the input shaft box body through a bearing, the planetary transmission box body comprises a first planetary transmission box body and a second planetary transmission box body from front to back, the second planetary transmission box body is larger than the first transmission box body, a transition support box body is arranged between the two box bodies, a first planetary transmission mechanism is arranged in the first planetary transmission box body, the first planetary transmission mechanism comprises a first planet carrier, a first sun gear, a first planet gear and a first inner gear ring gear, the first inner gear is arranged on the inner wall of the first planetary transmission box body, the first sun gear is arranged in the middle part in the first planetary transmission box body, the front end of the shaft is coaxially connected with the input shaft, a plurality of first planet gears which are simultaneously meshed with the first sun gear and the first inner gear ring are arranged between the first sun gear and the first inner gear ring, pin shafts of all the first planet gears are connected with a first planet carrier, a second planet transmission mechanism with the same structure as the first planet transmission mechanism is arranged in a second planet transmission box, a middle shaft of a second sun gear of the second planet transmission mechanism is coaxially connected with a middle shaft of the first planet carrier, a main output shaft and an auxiliary output shaft which are installed through bearings are arranged in an output shaft box, the main output shaft is coaxially connected with the middle shaft of a second planet carrier of the second planet transmission mechanism, a driving wheel is further arranged on the main output shaft, and a driven wheel meshed with the driving wheel is arranged on the auxiliary output shaft.
2. The coaxial two-stage double-shaft output planetary gear reducer according to claim 1, wherein the input shaft box and the output shaft box are respectively provided with an end cover, and oil seals are arranged at the joints of the input shaft, the main output shaft, the auxiliary output shaft and the end covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484565.XU CN215673422U (en) | 2021-10-15 | 2021-10-15 | Coaxial two-stage double-shaft output planetary gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484565.XU CN215673422U (en) | 2021-10-15 | 2021-10-15 | Coaxial two-stage double-shaft output planetary gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673422U true CN215673422U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484565.XU Active CN215673422U (en) | 2021-10-15 | 2021-10-15 | Coaxial two-stage double-shaft output planetary gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673422U (en) |
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2021
- 2021-10-15 CN CN202122484565.XU patent/CN215673422U/en active Active
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