Crawler Positioning Mechanism for Stable Stop Alignment
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Solution Overview
Problem
Autonomous traveling devices, such as those with crawler-type traveling bodies, face challenges in accurately stopping at a target position due to instability in their stopping attitude.
Innovation Solution
A positioning adjusting mechanism and system that includes a main body, a pair of traveling bodies, a first contact member, and a second contact member. The mechanism adjusts the position and attitude of the traveling device by using these contact members to guide the crawler-type traveling bodies into precise alignment at the stop position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If crawler-type traveling bodies are used to increase stability during traveling, then traveling stability is improved, but positioning accuracy at stop position deteriorates
Solution Approach 1:
The patent introduces guide members as intermediary elements between the traveling device and the ground. These guide members have inclined surfaces that contact the traveling bodies, providing both stability during movement and precise positioning at the stop position. The guide members act as a mediator that transforms the crawling motion into accurate positioning without compromising traveling stability.
Solution Approach 2:
The positioning mechanism is segmented into multiple guide members arranged in specific patterns. Each guide member handles specific positioning tasks (lateral positioning, longitudinal positioning), allowing the system to achieve high positioning accuracy while maintaining the overall stability provided by the crawler-type traveling bodies.
2Manufacturing precision
If a positioning adjusting mechanism with contact members is added, then positioning accuracy is improved, but device complexity increases
Solution Approach 1:
The guide members are designed to automatically guide the traveling bodies into the correct position through their inclined surfaces. The mechanism uses the motion of the traveling device itself to activate the positioning function, eliminating the need for complex active control systems, motors, or sensors. The traveling device's own movement serves to engage the guide members and achieve positioning.
Solution Approach 2:
The patent replaces complex active mechanical positioning systems (with motors, sensors, and control mechanisms) with passive mechanical guide members that use geometric shapes and contact forces to achieve positioning. This substitution dramatically simplifies the device while maintaining high positioning accuracy.
Data Source
AI summary
A positioning adjusting mechanism for a traveling device, includes: a main body; a pair of traveling bodies on respective sides of the main body and configured to be driven in contact with a surface on which the traveling device travels; a first contact member configured to come into contact with side portions of the pair of traveling bodies while the traveling device approaches a predetermined stop position; and a second contact member configured to come into contact with front portions of the pair of traveling bodies in response to the traveling device reaching the stop position.