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Planetary reducer with small tooth difference

A planetary and reducer technology with less tooth difference, applied in the direction of gear transmission, belt/chain/gear, mechanical equipment, etc., can solve the problem of inability to achieve fine adjustment of internal mechanism clearance, miniaturization, or even miniaturization, and reducer The internal structure is not compact enough to achieve the effect of compact structure, simple structure and improved bearing capacity

Pending Publication Date: 2019-10-22
孙金曦
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  • Abstract
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Problems solved by technology

The above technical solution discloses a double-differential tooth structure reducer, but the internal structure of the reducer disclosed in this technical solution is not compact enough to achieve miniaturization or even miniaturization, the load-carrying capacity of the reducer is weak, and the internal mechanism gap cannot be realized Fine adjustment of

Method used

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  • Planetary reducer with small tooth difference
  • Planetary reducer with small tooth difference
  • Planetary reducer with small tooth difference

Examples

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Embodiment

[0031] Such as Figure 1-4 As shown, a planetary reducer with a small tooth difference in this embodiment includes a body and a transmission assembly. The body includes a hollow cylindrical shell 1 and a base 2. The transmission assembly includes an eccentric shaft assembly 4, a duplex The external gear 5, the fixed internal gear 6 fixedly installed on the base 2, and the output disc 3 arranged at the output end. The duplex external gear 5 includes a first external gear 51 at the input end and a second external gear 52 at the output end. The input end of the inner wall of the output disc 3 is provided with internal teeth, and the fixed internal gear 6 and the first external gear 51 mesh to form the second external gear. A few-tooth differential gear pair, the second external gear 52 meshes with the internal teeth of the output disc 3 to form a second few-tooth differential gear pair. The eccentric shaft assembly 4 is installed in the duplex external gear 5 through bearings (t...

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Abstract

The invention discloses a planetary reducer with small tooth difference, and belongs to the technical field of deceleration devices. The planetary reducer comprises a shell, a base and a transmissioncomponent, wherein the transmission component comprises an eccentric shaft component, a duplicate external gear, a fixed internal gear fixedly arranged on the base and an output plate arranged on theoutput end; the duplicate external gear respectively forms small tooth difference gear pairs with the fixed internal gear and the output plate; the eccentric shaft component is installed in the duplicate external gear through a bearing; and the output plate is installed in the shell through an angular contact bearing and a thrust bearing. The planetary reducer with small tooth difference has the advantages of simple and compact structure, low manufacturing cost, large bearing capacity and fine adjustment.

Description

technical field [0001] The invention relates to the technical field of reduction gears, in particular to a planetary reducer with small tooth difference. Background technique [0002] The reducer is used to reduce the speed of the prime mover and increase the torque at the same time to output the power required by the working machine. In the existing reduction mechanism, the commonly used reducers are: gear reducer, worm gear reducer, harmonic reducer, planetary reducer, etc., as a special form of planetary reducer, the reducer with small tooth difference uses The small difference in the number of teeth between the internal and external gears skillfully realizes a large transmission ratio, and the overall structure is compact, so it is used more and more in industry. The utility model patent with the notification number CN208858869U discloses a planetary gear reducer with small tooth difference, including a body and a power transmission part. Gears, internal gears at the o...

Claims

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Application Information

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IPC IPC(8): F16H1/32
CPCF16H1/32F16H2001/327
Inventor 孙金曦孙思益
Owner 孙金曦
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