Rack Gear Engagement Mechanism With Movable Guide Tooth Alignment
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Solution Overview
Problem
Logistics vehicles face failures in axial guiding of gears into racks due to gear abutment against the rack sides, leading to system inefficiencies during horizontal-to-vertical motion transitions.
Innovation Solution
A toothed portions engagement adaptation mechanism with dual guide teeth, where the second guide tooth is movable and configured to engage the gear, allowing it to overcome alignment issues and facilitate successful engagement at all angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single guide tooth is used to guide the gear into the rack, then the structure is simple, but the gear may abut against the rack side and fail to engage properly
Solution Approach 1:
The guide tooth structure is segmented into a first guide tooth and a second guide tooth, where the first guide tooth guides the gear from the initial position and the second guide tooth provides additional guidance and support. This segmentation allows the gear to be guided through different stages of engagement, preventing abutment against the rack side and ensuring reliable engagement.
Solution Approach 2:
The second guide tooth acts as an intermediary element between the gear and the rack during the engagement process. It provides an additional contact point that mediates the interaction, ensuring that the gear is properly aligned and guided into the rack without abutting against the side, thus facilitating successful engagement.
2Ease of operation
If the gear is guided axially into the rack with precise alignment, then engagement is successful, but the system fails when the gear abuts against the rack side
Solution Approach 1:
The second guide tooth is designed to be movable rather than fixed. It can move towards the second side under the action of external force, allowing it to adapt to different engagement conditions. This dynamic characteristic enables the guide tooth structure to accommodate variations in gear alignment and prevent abutment against the rack side, ensuring both ease of operation and system reliability.
Solution Approach 2:
The position of the second guide tooth is changed dynamically during the engagement process. It moves from an initial position towards the second side under external force, changing its spatial parameter to provide appropriate guidance at different stages of gear engagement. This parameter change allows the system to maintain ease of operation while ensuring reliable engagement.
Data Source
AI summary
The present disclosure relates to a toothed portions engagement adaptation mechanism and a logistics system. The toothed portions engagement adaptation mechanism includes: a rack including a first side and a second side arranged opposite to each other; a first guide tooth provided on the first side; a second guide tooth movably provided on the first side, the second guide tooth being farther than the first guide tooth from the second side; and a gear configured to partially engage the rack from the first side, and move towards the second side so as to completely engage the rack, wherein at least one of the first guide tooth and the second guide tooth is configured to engage the gear during the movement of the gear from the first side toward the second side.