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Reduction gear device group, reduction gear device and design method

A technology of reducer and unit, applied in the direction of mechanical equipment, gear transmission, belt/chain/gear, etc., can solve problems such as large design work, and achieve the effect of reducing work

Active Publication Date: 2016-07-06
NABLESCO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to excessive design effort

Method used

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  • Reduction gear device group, reduction gear device and design method
  • Reduction gear device group, reduction gear device and design method
  • Reduction gear device group, reduction gear device and design method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach ＞

[0023] In the conventional design technology, the designer designs a plurality of speed reducers that are different from each other in the distance relationship between the rotation center axis of the output part that rotates at a predetermined reduction ratio and the crankshaft assembly that transmits the driving force to the output part. , designers design dedicated transmission gears for multiple reducers. As a result, a huge variety of transmission gears are produced. The inventors of the present invention studied the design of various speed reducers, and found that transmission gears with the same modulus and displacement coefficient can be applied to multiple speed reducers with different distances between the rotation center axis of the output part and the crankshaft assembly. machine. In the first embodiment, two reduction gears incorporating transmission gears having identical modules and identical displacement coefficients will be described.

[0024] (Structure of ...

no. 2 Embodiment approach ＞

[0075] Designers can use a variety of methods to determine the distance between the main axis and the transfer axis based on the modulus and the coefficient of deformation. In the second embodiment, an exemplary technique for specifying the distance between the main axis and the transmission axis will be described.

[0076] If the reference Figure 1A Description of the reducer 100 and reference Figure 2A The described speed reducer 100A requires a different reduction ratio. Generally speaking, the sum of the number of teeth of the central gear shaft GS1 and the number of teeth of the transmission gear 430 is different from the sum of the number of teeth of the central gear shaft GS2 and the number of teeth of the transmission gear 430A. If the designer sets the displacement coefficients to zero for the reducers 100 and 100A, the relationship between the distance from the main axis to the transmission axis and the sum of the number of teeth can be expressed by the following f...

no. 3 Embodiment approach ＞

[0085] A designer can design a reduction gear in various procedures using the design technology described in connection with the second embodiment. In the third embodiment, an exemplary design process of a reduction gear will be described.

[0086] image 3 It is a flowchart showing an exemplary design process of a reduction gear. refer to image 3 Describe the design process of the reducer.

[0087] (step S110)

[0088] As described in connection with the second embodiment, the designer determines the modulus and the coefficient of variation. After that, step S120 is executed.

[0089] (step S120)

[0090] Designers can also search the design database to verify the existence of design data for transfer gears with consistent modulus and consistent coefficient of variation. If there is design data of transmission gears with the same modulus and the same displacement coefficient, step S130 is executed. In other cases, execute step S180.

[0091] (step S130)

[0092] Th...

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PUM

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Abstract

The present invention discloses a reduction gear device group, a reduction gear device and a design method. The reduction gear device group comprises a first reduction gear device which contains a first crank assembly body that is adapted to rotate a first output section about a first main axis that order upon rotation of the first crank assembly a first transmission axis is around defines a first distance to the first main axis as a center axis of rotation of the first output section, and having a second reduction gear device, the LT a second crank assembly contains, which is set up so that they a second output portion rotates about a second main axis, which at rotation of the second crank assembly about a second TRANSMISSION SYSTEM axis at a second distance to the second major axis that is different from the first distance, as a rotation-central axis of the second output section is defined.

Description

technical field [0001] The present invention relates to a speed reducer having a mechanism as an eccentric oscillating type gear unit. Background technique [0002] Various speed reducers are used in various technical fields such as industrial robots and machine tools (see JP-A-2010-286098). Japanese Patent Application Laid-Open No. 2010-286098 discloses a speed reducer including a cylindrical housing, a swing gear that swings in the housing, and a crankshaft assembly for swinging the swing gear. Designers can design various speed reducers based on the technology disclosed in Japanese Patent Application Laid-Open No. 2010-286098 so as to meet the performance (such as torque and reduction ratio) required by customers. [0003] If a designer designs various speed reducers in response to various requests from customers, the designer needs to perform design calculations for various parts of the speed reducer and make various drawings. This can result in an excessively large de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/32
CPCF16H1/32F16H2001/323
Inventor 古田和哉吉田俊介增田智彦增田大记
Owner NABLESCO CORP