Work Vehicle Mower Height Adjustment via Wire-Linked Dial
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Solution Overview
Problem
Existing lawn mower systems require large link mechanisms that complicate assembly and interfere with other components, making it difficult to adjust the cutting height effectively.
Innovation Solution
A work vehicle design featuring a mower connected to the machine body via lifting links, a lifting interlocking link mechanism, and a link stopper connected to an adjustment dial via a wire, allowing for easy assembly and adjustment of the cutting height without interfering with other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a large link mechanism is used to connect the driver's seat and lawnmower, then the cutting height can be adjusted, but the mechanism interferes with other members and is difficult to assemble
Solution Approach 1:
The link mechanism is divided into two separate components: a link stopper attached to the lawnmower and an adjustment dial attached to the seat support panel. These segments are connected by a flexible wire, allowing independent positioning and assembly of each component while maintaining functional connection for cutting height adjustment.
Solution Approach 2:
A wire is introduced as an intermediary element to connect the link stopper and adjustment dial. This wire-mediated connection replaces the direct rigid link mechanism, enabling flexible signal transmission while avoiding interference with other machine members and simplifying assembly procedures.
2Ease of manufacture
If the adjustment dial is positioned on the seat support panel with wire connection to link stopper below machine body, then assembly is facilitated, but wire routing must avoid other members
Solution Approach 1:
The adjustment dial is positioned in a specific local area on the seat support panel where it provides easy operator access. The wire routing is designed to navigate through available spaces in the machine body, utilizing local structural features to route the wire from the upper dial to the lower link stopper without interfering with other components.
Data Source
AI summary
A work vehicle includes a mower connected to an abdomen of a running machine body via lifting links, a lifting interlocking link mechanism provided below the machine body for moving the mower up/down, and a link stopper connected to an adjustment dial and acting on the lifting interlocking link mechanism to change a cutting height of the mower. The adjustment dial is arranged on a seat support panel that supports an operator seat, and the link stopper, connected to the adjustment dial by a wire, is arranged below the machine body. A lifting lever for raising/lowering the mower is provided on one side of the left and right sides of the machine body, and a parking lever is arranged on the seat support panel on the other side. The adjustment dial is arranged between the parking lever and fenders covering rear wheels.