Linkage Gear Train for Variable Shaft Distance Transmission
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Solution Overview
Problem
Existing power transmission systems face challenges in maintaining stable and smooth power transmission when the distance between the drive shaft and the driven shaft continuously changes.
Innovation Solution
A linkage structure comprising a gear train with at least four sequentially engaged gears, multiple links supporting the rotation shafts of the gears, and pins fixing the rotation shafts to the links, allowing for continuous power transmission by alternately arranging rotation shafts with both ends and one end fixed to the links.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a gear train is used to transmit power between drive shaft and driven shaft, then power transmission reliability is improved, but the system cannot adapt when the distance between shafts changes
Solution Approach 1:
The patent applies the dynamics principle by making the link structure movable and adjustable. The link connects the drive shaft and driven shaft through a mechanism that allows the distance between shafts to change dynamically while maintaining continuous power transmission. The link can rotate and adjust its position, enabling the system to adapt to varying distances without losing reliability.
Solution Approach 2:
The patent implements parameter changes by allowing the geometric parameters of the transmission system to vary. Specifically, the distance between the drive shaft and driven shaft can change while the gear train maintains engagement through the adjustable link structure. This enables the system to operate reliably across a range of distances by dynamically adjusting the configuration.
2Ease of manufacture
If rotation shafts are fixed to links with pins, then assembly ease is improved, but manufacturing precision requirements increase
Solution Approach 1:
The pin fixation mechanism allows components to be easily assembled and disassembled by the user or operator without requiring specialized tools or complex procedures. The alternating arrangement of fixed and movable shafts enables self-aligning during assembly, reducing the skill level required for proper installation while maintaining adequate precision through the inherent geometry of the pin-and-hole配合.
Data Source
AI summary
A gear train includes at least four gears sequentially engaged, multiple links configured to support the rotation shafts of the gears, and pins configured to fix the rotation shafts of the gears to the link, wherein the pins are installed such that, among the rotation shafts of the gears, two non-adjacent rotation shafts have both ends fixed to the link and one of adjacent rotation shafts has only one end fixed to the link.