Riding Mower Parking Linkage for Integrated Braking
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Solution Overview
Problem
Existing riding mowers have a complex structure due to separate braking and parking functions, which occupy significant space and complicate the linkage and transmission structures, making it challenging to simplify the design while meeting performance and safety requirements.
Innovation Solution
A riding mower design that integrates the braking and parking functions through a parking system, linkage mechanism, and gearbox, allowing the mower to switch between parking and non-parking states, thereby simplifying the structure and combining these functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate braking and parking functions are implemented through double-pedal structure, then braking function and parking function are achieved, but structure complexity increases and space occupation increases
Solution Approach 1:
The patent combines the braking function and parking function into a single integrated system. The parking system includes a parking pedal connected to a parking mechanism that can simultaneously perform both braking and parking operations. This merging of functions eliminates the need for separate double-pedal structures, thereby reducing linkage and transmission complexity while maintaining both braking and parking capabilities.
Solution Approach 2:
The parking mechanism is designed as a multi-functional component that can perform both braking and parking operations. The single parking pedal controls a universal mechanism that adapts to different operational modes (braking vs. parking) based on the engagement state, allowing one structure to fulfill multiple functions that previously required separate systems.
2Reliability
If separate braking and parking functions are implemented, then braking and parking operations are possible, but main rack space is occupied
Solution Approach 1:
By merging the braking and parking functions into a single integrated system mounted on the main rack, the patent reduces the total space required. Instead of allocating separate spaces for braking mechanisms and parking mechanisms, the integrated design consolidates these functions into a compact arrangement that occupies less overall space on the main rack.
3Reliability
If double-pedal structure is used for braking and parking, then both functions are achieved, but structural simplification becomes difficult
Solution Approach 1:
The patent merges the braking and parking functions into a single pedal-operated system. The parking pedal connects to a unified mechanism that incorporates both braking components and parking lock components. This integration significantly reduces the number of connection members and simplifies the overall structure compared to maintaining separate double-pedal systems with independent linkages for each function.
Data Source
AI summary
A riding mower includes a seat, a main rack configured to bear the seat, a mowing element, a walking assembly for enabling the riding mower to walk across a lawn, and an operation assembly configured to be operated by the user so that the riding mower is controlled to walk and output power. The riding mower further includes a parking system, a linkage mechanism and a gearbox. The parking system is configured to switch the riding mower between a parking state and a non-parking state. The linkage mechanism is connected to the parking system. The gearbox is connected to the linkage mechanism. The parking system controls, through the linkage mechanism, the gearbox to implement braking.