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Rotating Device

A technology of rotating device and mounting part, applied in the direction of transmission parts, components with teeth, belts/chains/gears, etc., can solve the problem of heavy casing weight, etc., and achieve the effect of suppressing weight increase and high strength

Active Publication Date: 2018-03-27
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the conventional rotary device, the problem that the weight of the whole casing is particularly serious

Method used

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  • Rotating Device
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Examples

Experimental program
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Effect test

Embodiment Construction

[0041] Hereinafter, an example of an embodiment of the present invention will be described in detail with reference to the drawings.

[0042] figure 1 It is a cross-sectional view showing the overall structure of a reduction gear transmission according to an example of an embodiment of the present invention, Figure 2 to Figure 5 is a perspective view of the reduction gear when viewed from four directions, Figure 6 ~ Figure 11 These six views are the left view, front view, top view, bottom view, right view and rear view of the reduction gear, Figure 12 and Figure 13 is a perspective view of the output shaft housing of the reduction gear when viewed from two directions, Figure 14 ~ Figure 17 These four views are left view, front view, top view and bottom view of the output shaft housing.

[0043] First, the structure of the reduction mechanism of the eccentric oscillating type reduction gear (rotation device) according to an example of the embodiment of the present inve...

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PUM

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Abstract

The Maintain provides a rotating device for maintaing higher strength while suppressing weight increase. The rotating device comprises an output shaft and an output shaft casing supporting the outputshaft; wherein the output shaft casing has a shaft hole through which the output shaft protrudes, a mounting portion, a leg portion provided between the axial hole peripheral portion and the mountingportion, and a reinforcing ribs projecting in the axial direction from the leg portion. The reinforcing rib is arranged between the axial hole peripheral portion and the mounting portion, and includesa first portion positioned on the side of the shaft hole peripheral portion, a second portion positioned on the mounting portion side, a third portion positioned between the first portion and the second portion, and when the reinforcing ribs is projected onto a plane perpendicular to the axis, the first angle theta 1 formed by the first portion and the mounting surface of the mounting portion > the second angle theta 2 formed by the second portion and the mounting surface > the third angle theta 3 formed by the third portion and the mounting surface is satisfied, and the reinforcing ribs areformed to protrude in the axial direction from the leg portion.

Description

[0001] This application claims priority based on Japanese Patent Application No. 2016-182415 filed in Japan on September 16, 2016. The entire contents of this Japanese application are incorporated herein by reference. technical field [0002] The invention relates to a rotating device. Background technique [0003] Patent Document 1 discloses a rotating device configured as an eccentric oscillating type reduction gear transmission. [0004] The rotary device includes an input shaft, an output shaft, and a housing that supports the output shaft. The case supporting the output shaft has a shaft hole through which the output shaft protrudes, a mounting part for mounting the case on an external part (for example, the floor of a factory), and a leg provided between the peripheral part of the shaft hole and the mounting part department. And a reinforcing rib protrudes axially from the leg portion. [0005] Patent Document 1: Japanese Patent Laid-Open No. 2016-84864 [0006] H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/02F16H57/021F16H57/023F16H57/03
CPCF16H57/02F16H57/021F16H57/023F16H57/03
Inventor 石塚正幸
Owner SUMITOMO HEAVY IND LTD