Integral Motor and Reducer Shaft Design for Compact Rotating Apparatus
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Solution Overview
Problem
Existing rotating apparatuses require time and labor for assembly due to separate configuration of rotating shafts, leading to installation space issues and increased size to accommodate connecting members.
Innovation Solution
The rotating electrical machine is integrally formed with the reduction device, eliminating the need for separate bearings and allowing the rotating shaft and input shaft to be formed as a single shaft, reducing the size and complexity of the assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the rotating shaft and input shaft are configured separately and connected via connecting members, then the rotating electrical machine can be assembled to the reduction device, but the assembly process requires time and labor for centering and connecting the shafts
Solution Approach 1:
The rotating shaft and input shaft are merged into a single integral shaft structure. The rotating electrical machine is configured with the rotating shaft and the reduction device with the input shaft are integrally formed, eliminating the need for separate connecting members and reducing assembly complexity to a single assembly operation.
2Ease of manufacture
If connecting members are provided to connect the rotating shaft and input shaft, then the shafts can be joined, but the size of the rotating apparatus increases to accommodate these connecting members
Solution Approach 1:
The connecting members are eliminated by merging the rotating shaft and input shaft into a single integral structure. This reduces the overall volume of the rotating apparatus by removing the space required for connecting members and their mounting features.
3Reliability
If separate bearings are provided in the rotating electrical machine and reduction device, then the rotating shaft can be supported, but the number of parts increases and the apparatus size increases
Solution Approach 1:
The bearings are merged into a single shared bearing structure that supports the integral shaft. Instead of providing separate bearings in the rotating electrical machine and reduction device, a single bearing is provided that supports the combined rotating shaft/input shaft, reducing the number of parts.
4Ease of manufacture
If the rotating electrical machine and reduction device are configured separately, then each component can be manufactured independently, but the overall apparatus size increases and installation space becomes problematic
Solution Approach 1:
The rotating electrical machine and reduction device are merged into an integrated unit with a common housing and shared bearing. This consolidation reduces the overall footprint and installation space required while maintaining manufacturing feasibility through modular assembly of the integrated structure.
Data Source
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AI summary
A rotating apparatus (1) integrally comprises a motor (100) and a reduction device (200). The motor (100) comprises a rotating shaft (101) fixed to a rotator (111). The reduction device (200) comprises an input shaft (211) to which a roller gear cam (212) is provided, and an output shaft (221). The output shaft (221) is provided with cam followers (222) on its outer periphery that sequentially engages with the roller gear cam (212), and extends along a direction orthogonal to the input shaft (211). The rotating shaft (101) of the motor (100) and the input shaft (211) of the reduction device (200) are integrally formed into a single shaft.