ROTATION TRANSMISSION MECHANISM PROVIDED WITH STRAIN-WAVE GEARING

Title:

ROTATION TRANSMISSION MECHANISM PROVIDED WITH STRAIN-WAVE GEARING

Document Type and Number:

WIPO Patent Application WO/2017/006441

Kind Code:

A1

Abstract:

Provided is a rotation transmission mechanism (1) that transmits the rotational driving force of a motor (2) to a load-side member (5) via a speed reducer, wherein a strain-wave gearing (3) is used as the speed reducer, and the allowable load torque of members in the powertrain other than the strain-wave gearing (3) is greater than a predetermined upper-bound load torque. The allowable load torque of the strain-wave gearing (3) is dictated by the ratcheting torque, which is set so as not to exceed the upper-bound load torque. In an overload state, ratcheting is generated and the strain-wave gearing (3) functions as a mechanical fuse. Other power transmission members can be protected from an overload state without adding a separate member such as a torque limiter.

Inventors:

HANDA JUN (JP)
KIMURA HIROAKI (JP)
MIYAKE SOTARO (JP)

Application Number:

PCT/JP2015/069569

Publication Date:

January 12, 2017

Filing Date:

July 07, 2015

Export Citation:

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Assignee:

HARMONIC DRIVE SYSTEMS (JP)

International Classes:

F16H1/32

Domestic Patent References:

WO2014098218A1

2014-06-26

Foreign References:

JP2009222168A	2009-10-01
JPH11118003A	1999-04-30
JPH0777249A	1995-03-20

Other References: