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Planetary transmission device

A technology of planetary transmission and planet carrier, applied in the direction of transmission, transmission parts, gear transmission, etc., can solve the problems of low bearing capacity and service life, large vibration and noise of the planetary gear train, and achieve uniform bearing capacity and systematic Stabilization, vibration and noise reduction effects

Pending Publication Date: 2020-07-31
NANJING HIGH SPEED & ACCURATE GEAR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a planetary transmission device to solve the technical problems of the prior art that the planetary gear train has high vibration and noise, low load capacity and service life

Method used

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0044] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two compo...

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Abstract

The invention discloses a planetary transmission device, and belongs to the technical field of mechanical transmission. The planetary transmission device comprises a first supporting part and a secondsupporting part which are fixedly arranged, and further comprises a sun gear component, an inner gear ring, a planet gear component and a planet carrier, wherein the sun gear component comprises a sun gear shaft and a sun gear which are fixedly connected; the sun gear shaft is connected to the first supporting part in a floating manner; the inner gear ring is connected to the second supporting part in a floating manner; the inner gear ring is of a flexible thin-walled structure; the planet gear component comprises a planet gear and a planet gear shaft which are fixedly connected; the planet gear is located between the sun gear and the inner gear ring and are respectively meshed with the sun gear and the inner gear ring; the planet gear shaft is arranged in a cantilever type; the planet gear component is arranged on the planet carrier in a floating manner; and a play gap exists between the planet gear shaft and the planet carrier along the axial direction. As the planet gear component,the sun gear shaft and the inner gear ring are arranged in a floating manner, the bearing capacity of the planet gear is uniform, and the deformation between the planet gear shaft and the inner gearring compensates each other, and the planetary transmission device has relatively uniform load and is relatively stable in operation.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to a planetary transmission. Background technique [0002] The planetary gear mechanism is composed of a planetary carrier, a sun gear, an internal gear and a plurality of planetary gears, among which, a plurality of planetary gear shafts are concentrically distributed on the planetary carrier, and each planetary gear is installed on its own planetary gear shaft, so that each planetary gear can It meshes externally with the sun gear and internally meshes with the internal gear. Due to the advantages of compact structure, stable transmission and wide speed range, the planetary gear mechanism is widely used in various mechanical equipment. [0003] During operation, multiple planetary gears bear torque at the same time. Due to factors such as manufacturing, installation and elastic deformation of each part, the load on each planetary gear is uneven, which causes vibra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/48F16H57/08F16H57/028F16H55/17
CPCF16H1/2809F16H1/48F16H55/17F16H57/028F16H57/08F16H57/082F16H2055/176
Inventor 桂翔刘增民米中生陈春辉
Owner NANJING HIGH SPEED & ACCURATE GEAR GRP
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