Two-degree-of-freedom coaxial output planetary transmission mechanism
A technology of coaxial output and planetary transmission, which is applied in the direction of transmission devices, gear transmission devices, mechanical equipment, etc., can solve the problems of planet carrier machining accuracy and deformation influence, and achieve uniform load distribution, good meshing degree, and power transmission. high precision effect
Active Publication Date: 2019-01-22
CHINA AVIATION POWER MACHINE INST
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Problems solved by technology
[0004] The invention provides a two-degree-of-freedom coaxial output planetary transmission mechanism to solve the problem that the load distribution between planetary wheels in the existing two-degree-of-freedom coaxial output planetary gear system is greatly affected by the machining accuracy and deformation of the planetary frame question
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[0022] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0023] like figure 2 As shown, the preferred embodiment of the present invention provides a two-degree-of-freedom coaxial output planetary transmission mechanism, including an input gear 10 for input power, and a plurality of planetary gear shafts 20 are arranged on the periphery of the input gear 10, and each planetary gear shaft A first planetary gear 30 , a second planetary gear 40 and a third planetary gear 50 are sequentially arranged on the outer circle of 20 at intervals along the axial direction thereof, and the first planetary gear 30 is externally meshed with the input gear 10 . Including the first ring gear 60 and the second ring gear 70 for power transmission, the first ring gear 60 and the second ring gear 70 are all surrounded by a pl...
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The invention discloses a two-degree-of-freedom coaxial output planetary transmission mechanism, which comprises an input gear, wherein a plurality of planet wheels are arranged on the circumference of the input gear, a first planet gear, a second planet gear and a third planet gear are arranged on each planet wheel shaft in the axial direction, and the first planet gear meshes with the input gear outside. The mechanism also includes a first ring gear and a second ring gear for transmitting power, wherein the first ring gear and the second ring gear are disposed outside the plurality of planet shafts, the first ring gear is engaged with the second planetary gear on the planet shafts, and the second ring gear is engaged with the third planetary gear on the planet shafts. The mechanism also includes a first output shaft and a second output shaft for outputting power, wherein the first output shaft is coaxially disposed with the second output shaft, the first ring gear is connected to the first output shaft, and the second ring gear is connected to the second output shaft. The invention relates to a two-degree-of-freedom coaxial output planetary transmission mechanism, the transmission ratio is large, the transmission efficiency is high, and each planet gear load is uniformly distributed.
Description
technical field [0001] The invention relates to the field of mechanical transmission, in particular to a dual-degree-of-freedom coaxial output planetary transmission mechanism. Background technique [0002] The structure of the dual-degree-of-freedom coaxial output planetary gear train in the prior art is shown in the accompanying drawing figure 1 As shown, the power is transmitted from the input shaft 1 to the sun gear 2 through splines. The sun gear 2 meshes with multiple planetary gears 3 at the same time. The planetary gears 3 are connected to the planetary gear shaft 4 through splines. The planetary gear shaft 4 passes through two cylinders. The roller bearing 5 is supported on the planetary carrier 7, the planetary carrier 7 is connected with the inner output shaft, and its output speed is the revolution speed of the planetary gear 3, the planetary gear shaft 4 meshes with the inner gear 6, and the inner gear 6 is connected with the outer output shaft 8 . In this pla...
Claims
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IPC IPC(8): F16H1/32
CPCF16H1/32
Inventor 余震廖梅军危干军唐鑫
Owner CHINA AVIATION POWER MACHINE INST