Segmented Mower Deck Cover for Wheel Climb and Service
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Solution Overview
Problem
Existing riding type mowing machines face difficulties in easily attaching or detaching cover bodies to cover the transmission mechanism effectively, which affects the machine's usability and safety.
Innovation Solution
A riding type mowing machine design featuring left and right cover bodies with inclined eject guide bodies and center cover bodies that are detachably attached, allowing for easy attachment and detachment while ensuring the transmission mechanism is adequately covered, with the center cover bodies being thinner to prevent contact with the fuel tank or mission casing and providing necessary strength for the front wheels to climb over.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the cover body is made thicker to ensure strength when front wheels climb over it, then the strength is improved, but the weight increases and attachment/detachment becomes more difficult
Solution Approach 1:
The cover body is divided into multiple segments: left cover body (12), right cover body (13), and center cover bodies (14, 15). This segmentation allows each part to be independently attached and detached, improving ease of operation while maintaining overall structural strength through the combined configuration of all segments.
Solution Approach 2:
Different regions of the cover body have different thicknesses optimized for their specific functions. The left and right cover bodies are made thicker to provide strength for wheel passage, while the center cover bodies are made thinner since they don't need to support wheel loads, thus reducing overall weight and facilitating easier attachment/detachment.
2Ease of operation
If the center cover body is made thinner to reduce weight and ease attachment, then the ease of operation is improved, but the strength may be insufficient
Solution Approach 1:
The center cover bodies are specifically designed with thinner thickness since they are located in regions that do not require high structural strength for wheel support. This localized thinning reduces overall weight and facilitates easier attachment and detachment operations while maintaining adequate strength for their specific protective function.
3Reliability
If the cover body is designed to fully cover the transmission mechanism, then the protection is improved, but the complexity of attachment and detachment increases
Solution Approach 1:
The cover body is segmented into left (12), right (13), and center (14, 15) portions that can be attached and detached independently. This segmentation provides comprehensive coverage of the transmission mechanism through the combined configuration of all segments while simplifying attachment and detachment operations, as users can work with individual segments rather than a single complex cover.
Data Source
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AI summary
Provided is a riding type mowing machine in which an upper surface of a mower deck (8) is provided with a transmission mechanism (9) and an upper surface of the transmission mechanism (9) is covered by a cover body (K) detachably attached to the mower deck (8), the cover body (K) includes a left cover body (12) covering a left end portion of the transmission mechanism (9), a right cover body (13) covering a right end portion of the transmission mechanism (9), and a center cover body (14, 15) covering a center portion of the transmission mechanism (9), and the rigidity of the left cover body (12) and the right cover body (13) is set to be higher than the rigidity of the center cover body (14, 15).