Double-station transfer planetary reducer

Abstract

The double-station transfer planetary reducer provided by the utility model is provided with the first output shaft and the second output shaft, and power output can be performed through the other output shaft only by braking one of the output shafts; when the first output shaft is braked, the gear and the first planet carrier are both fixed, and after the input shaft inputs power, the first inner gear ring is decelerated and then transmits the power to the second output shaft through the first outer teeth for power output; when the second output shaft is braked, third outer teeth of the second output shaft are matched with first outer teeth of the inner gear ring, so that the inner gear ring is locked, power input by the input shaft is decelerated and then output to the first output shaft through the second planet carrier for power output, and according to the design, power output at different output stations can be achieved selectively. And the method is suitable for an application scene of multi-station selection output.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary reducers, in particular to a double-station split-motion planetary reducer. Background Art

[0002] Current planetary reducers usually have one output shaft or multiple output shafts running synchronously. Depending on the application scenario, the requirements for the reducer function are also different. Currently, there is a need for a planetary reducer with two output shafts and the ability to select one of the output shafts to work according to demand to achieve a split function, but existing planetary reducers cannot meet this function. Utility Model Content

[0003] The purpose of the utility model is to provide a double-station split planetary reducer to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0005] A double-station split planetary reducer comprises a housing, an input shaft mounted within the housing, and a planetary reduction assembly; further comprising a first output shaft and a second output shaft; the housing being provided with a first output shaft mounting portion and a second output shaft mounting portion, respectively; the input shaft being rotatably connected to a lower portion within the housing via a first bearing; the planetary reduction assembly comprising a first sun gear, a first inner ring gear, a first planet carrier, and a first planet gear; the first sun gear being drivingly connected to the input shaft; the first inner ring gear being rotatably connected to a middle portion within the housing via a second bearing; a first outer ring gear having first outer teeth; an upper portion of the first planet carrier being rotatably connected to an upper portion within the housing via a third bearing, and a lower portion being rotatably connected to the first inner ring gear via a fourth bearing; the first planet gear being mounted on the first planet carrier; the first planet gear being meshed with the inner teeth of the first inner ring gear and the first sun gear, respectively; a gear being mounted on an outer side of the first planet carrier; the first output shaft being mounted on the first output shaft mounting portion via a fifth bearing; a second outer ring gear being meshed with the gear; the second output shaft being mounted on the second output shaft mounting portion via a sixth bearing; and a third outer ring gear being meshed with the first outer teeth.

[0006] Further description of the present invention, the planetary reduction assembly also includes a second sun gear, a second inner ring gear, a second planet carrier and a second planet gear; the second sun gear is fixed on the input shaft; the second inner ring gear is fixed in the outer shell; the second planet carrier is arranged in the outer shell and is located below the first planet carrier; the second planet gear is mounted on the second planet carrier; the second planet gear is respectively engaged with the second inner ring gear and the second sun gear; the first sun gear is fixed at the center of the second planet carrier.

[0007] Further description of the present invention: the first output shaft mounting portion is arranged on the upper left of the housing; the first output shaft mounting portion is provided with a first output hole which passes through from top to bottom; and the center of the first output shaft is provided with a mounting hole.

[0008] Further description of the present invention: the second output shaft mounting portion is arranged at the middle position of the right side of the housing; a second output hole is provided below the second output shaft mounting portion; and a connecting shaft is provided at the lower end of the second output shaft extending out of the second output hole.

[0009] Further description of the present invention: the first planet carrier and the gear are fixed via a keyway.

[0010] The beneficial effects of the utility model are:

[0011] This design has a first output shaft and a second output shaft. Only one of the output shafts needs to be braked to output power through the other output shaft. When the first output shaft is braked, the gear and the first planetary carrier are fixed. After the input shaft inputs power, the first inner ring gear is decelerated and transmits the power to the second output shaft through the first outer gear for power output. When the second output shaft is braked, the third outer tooth of the second output shaft cooperates with the first outer tooth of the inner ring gear to lock the inner ring gear. The power input by the input shaft is decelerated and output to the first output shaft through the second planetary carrier for power output. This design can choose to output power at different output stations, adapting to application scenarios where multiple stations can select output. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the overall structural diagram of the utility model;

[0013] Figure 2 It is a half-section view of the present utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the accompanying drawings:

[0015] like Figure 1-2As shown, a double-station split planetary reducer includes a housing 1 and an input shaft 2 and a planetary reduction assembly 3 installed in the housing 1; it also includes a first output shaft 4 and a second output shaft 5; the two sides of the housing 1 are respectively provided with a first output shaft mounting portion 11 and a second output shaft mounting portion 12; the input shaft 2 is rotatably connected to the lower part of the housing 1 through a first bearing 01; the planetary reduction assembly 3 includes a first sun gear 31, a first inner gear ring 32, a first planet carrier 33 and a first planet gear 34; the first sun gear 31 is transmission-connected to the input shaft 2; the first inner gear ring The ring 32 is rotatably connected to the middle part of the housing 1 through the second bearing 02; the outer side of the first inner gear ring 32 is provided with a first outer tooth 321; the upper part of the first planetary carrier 33 is rotatably connected to the upper part of the housing 1 through the third bearing 03, and the lower part is rotatably connected to the first inner gear ring 32 through the fourth bearing 04; the first planetary gear 34 is mounted on the first planetary carrier 33, and three first planetary gears 34 are provided in this design; the first planetary gears 34 are respectively engaged with the inner teeth of the first inner gear ring 32 and the first sun gear 31; the outer side of the first planetary carrier 33 is provided with a gear 331; the first output shaft 4 is mounted on the first output shaft mounting portion 11 through the fifth bearing 05; the first output shaft 4 is provided with a second external tooth 41 meshing with the gear 331 on the outside; the second output shaft 5 is mounted on the second output shaft mounting portion 12 through the sixth bearing 06; the second output shaft 5 is provided with a third external tooth 51 meshing with the first external tooth 321; this design has a first output shaft 4 and a second output shaft 5, and a braking device is provided on the outside. Only one of the output shafts needs to be braked, and power can be output through the other output shaft; when the first output shaft 4 is braked , the gear 331 and the first planetary carrier 33 are both fixed. After the input shaft 2 inputs power, the first inner ring gear 32 is decelerated and transmits the power to the second output shaft 5 through the first outer gear 321 for power output; when the second output shaft 5 is braked, the third outer teeth 51 of the second output shaft 5 cooperate with the first outer teeth 321 of the inner ring gear, thereby locking the inner ring gear, and the power input by the input shaft 2 is decelerated and output to the first output shaft 4 through the second planetary carrier 37 for power output. This design can choose to realize power output at different output stations, adapting to application scenarios where multiple stations can select output.

[0016] The planetary reduction assembly 3 also includes a second sun gear 35, a second inner ring gear 36, a second planet carrier 37 and a second planet gear 38; the second sun gear 35 is fixed on the input shaft 2; the second inner ring gear 36 is fixed in the outer shell 1; the second planet carrier 37 is arranged in the outer shell 1 and is located below the first planet carrier 33; the second planet gear 38 is installed on the second planet carrier 37, and three second planet gears 38 are arranged in this design; the second planet gears 38 are respectively engaged with the second inner ring gear 36 and the second sun gear 35; the first sun gear 31 is fixed at the center of the second planet carrier 37. After the input shaft 2 inputs power, the power is transmitted through the second sun gear 35, the second inner ring gear 36, the second planet gear 38 and the second planet carrier 37 to achieve a first-stage deceleration effect, and the first sun gear 31, the first inner ring gear 32 and the first planet gear 34 are transmitted to achieve a second-stage deceleration effect.

[0017] In this design, the first output shaft mounting portion 11 is arranged at the upper left of the housing 1; a first output hole 111 is provided on the first output shaft mounting portion 11 and passes through the first output shaft 4; and a mounting hole 4 is provided at the center of the first output shaft 4.

[0018] In this design, the second output shaft mounting portion 12 is arranged at the middle position of the right side of the housing 1; a second output hole 121 is provided below the second output shaft mounting portion 12; and a connecting shaft 52 extending out of the second output hole 121 is provided at the lower end of the second output shaft 5.

[0019] The first planet carrier 33 and the gear 331 are fixed via a keyway, and the connection is firm.

[0020] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A double-station split planetary reducer, comprising a housing, an input shaft mounted within the housing, and a planetary reduction assembly; characterized in that: The planetary reduction assembly further comprises a first output shaft and a second output shaft; a first output shaft mounting portion and a second output shaft mounting portion are respectively provided on both sides of the housing; the input shaft is rotatably connected to the lower portion of the housing through a first bearing; the planetary reduction assembly comprises a first sun gear, a first inner ring gear, a first planet carrier and a first planet gear; the first sun gear is transmission-connected to the input shaft; the first inner ring gear is rotatably connected to the middle portion of the housing through a second bearing; a first external tooth is provided on the outer side of the first inner ring gear; the upper portion of the first planet carrier is rotatably connected to the upper portion of the housing through a third bearing, and the lower portion is rotatably connected to the first inner ring gear through a fourth bearing; the first planet gear is mounted on the first planet carrier; the first planet gear meshes with the internal teeth of the first inner ring gear and the first sun gear respectively; a gear is mounted on the outer side of the first planet carrier; the first output shaft is mounted on the first output shaft mounting portion through a fifth bearing; a second external tooth meshing with the gear is provided on the outer side of the first output shaft; the second output shaft is mounted on the second output shaft mounting portion through a sixth bearing; the second output shaft is provided with a third external tooth meshing with the first external tooth.

2. A double-station split planetary reducer according to claim 1, characterized in that: The planetary reduction assembly further includes a second sun gear, a second inner ring gear, a second planet carrier, and second planet gears; the second sun gear is fixed to the input shaft; the second inner ring gear is fixed in the housing; the second planet carrier is disposed in the housing and below the first planet carrier; the second planet gears are mounted on the second planet carrier; and the second planet gears are meshed with the second inner ring gear and the second sun gear, respectively; The first sun gear is fixed at the center of the second planet carrier.

3. The double-station split planetary reducer according to claim 1, characterized in that: The first output shaft mounting portion is arranged at the upper left of the housing; a first output hole is provided on the first output shaft mounting portion and passes through the first output shaft from top to bottom; and a mounting hole is provided at the center of the first output shaft.

4. The double-station split planetary reducer according to claim 1, characterized in that: The second output shaft mounting portion is arranged at the middle position of the right side of the housing; a second output hole is provided below the second output shaft mounting portion; and a connecting shaft is provided at the lower end of the second output shaft extending out of the second output hole.

5. The double-station split planetary reducer according to claim 1, characterized in that: The first planet carrier and the gear are fixed via a keyway.

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