Compact Side Brush Assembly for Wider Cleaning With Less Packaging Space
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Solution Overview
Problem
Existing side brush assemblies for floor surface maintenance machines are often complex, costly, and have a large footprint, making them difficult to package and adapt for use on different-sized vehicles, which limits their versatility and efficiency.
Innovation Solution
A compact side brush assembly featuring a brush deck, parallel linkage assembly, swing arm, and actuator assembly that allows for pivoting and extension/retraction, enabling efficient cleaning and easy storage, with a small footprint that simplifies packaging and adaptation for various vehicle sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional side brush assembly is used to widen the cleaning path and access obstacles, then cleaning efficiency is improved, but the assembly becomes complex and costly with a large footprint that complicates packaging and reduces versatility
Solution Approach 1:
The side brush assembly is divided into modular components including a brush deck, parallel linkage assembly, swing arm, and actuator assembly. This segmentation allows each component to be optimized independently and simplifies the overall structure, reducing complexity while maintaining cleaning effectiveness
Solution Approach 2:
The side brush assembly incorporates dynamic motion capabilities with the swing arm rotating about a pivot axis to swing the brush deck toward and away from the machine, and the parallel linkage assembly allowing lift motion to raise and lower the brush deck. This dynamic design enables the assembly to adapt to different cleaning scenarios without requiring a complex fixed structure
2Adaptability or versatility
If a traditional side brush assembly is used to provide ground clearance when scrubbing is turned off, then operational flexibility is improved, but the assembly requires more space for packaging and integration on the vehicle
Solution Approach 1:
The side brush assembly is designed with a compact footprint that allows it to be nested or retracted behind the machine frame when not in use. The swing arm and brush deck can be positioned within the machine envelope, minimizing the space required for packaging and integration while maintaining full operational capability when deployed
3Productivity
If a large side brush assembly is used to clean larger floor envelopes, then cleaning coverage is improved, but it becomes difficult to use the same design on different vehicles of different sizes
Solution Approach 1:
The side brush assembly is designed with universal mounting capabilities that allow it to be adapted to different vehicle sizes and configurations. The modular design with standardized mounting interfaces and adjustable components enables the same basic assembly design to be used across different vehicle platforms, from small walk-behind units to larger ride-on machines, simply by adjusting mounting positions and selecting appropriate component sizes
Data Source
AI summary
A surface maintenance vehicle with a compact side brush assembly. The side brush assembly includes a brush deck, a parallel linkage assembly, a swing arm, and an actuator assembly. The brush deck carries a floor-engaging brush. The parallel linkage assembly permits pivoting of the brush deck about a lift axis to raise and lower the brush deck. The swing arm is adapted to rotates to swing the brush deck towards and away from the floor surface maintenance machine. The actuator assembly includes a linear actuator and a slip link.