Pendulum Rocker Brush Assembly for Damage-Free Vehicle Washing
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Solution Overview
Problem
Conventional rocker brushes in vehicle wash systems can damage vehicles due to excessive force, requiring frequent maintenance of components like gas shocks, springs, and bearings, and additional protection mechanisms like rubber bumpers.
Innovation Solution
A pendulum-style rocker brush assembly that freely swings relative to the vehicle pathway, eliminating the need for external components like shocks, springs, and bearings, and allowing the brush to dynamically adjust to vehicle contours without additional protection mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional rocker brushes use gas shocks or springs to control brush movement, then the brush can maintain a safe distance from the vehicle, but the device requires frequent maintenance and component replacement
Solution Approach 1:
The patent removes gas shocks, springs, and bearings from the rocker brush assembly, eliminating the components that require maintenance. The brush is allowed to swing freely on a simple pivot point without external force-generating components, directly resolving the contradiction by extracting the problematic elements while maintaining the safety function through the pendulum motion itself
Solution Approach 2:
The pendulum-style rocker brush uses its own weight and momentum to control its movement. The brush naturally swings away from the vehicle and returns to position through gravity and centrifugal force, eliminating the need for external springs or shocks to provide the necessary forces. This self-service mechanism reduces maintenance requirements while maintaining reliable operation
2Productivity
If rocker brushes exert more force on the vehicle to clean effectively, then cleaning performance improves, but the vehicle surface can be damaged
Solution Approach 1:
The patent implements a dynamic pendulum-style mounting that allows the rocker brush to swing freely as it operates. The brush naturally adjusts its position and contact force with the vehicle based on the vehicle's contours and the brush's momentum. This dynamic adjustment prevents excessive force application while maintaining effective cleaning, resolving the contradiction between cleaning performance and vehicle protection
3Object-affected harmful factors
If additional protection mechanisms like rubber bumpers are added to prevent vehicle damage, then vehicle safety improves, but device complexity and maintenance requirements increase
Solution Approach 1:
The patent eliminates rubber bumpers and other external protection mechanisms by using the pendulum-style mounting as the primary protection method. The natural swinging motion of the pendulum brush provides inherent protection by preventing excessive force application, thereby removing the need for additional protective components and reducing device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The pendulum rocker brush assembly reduces maintenance requirements and effectively cleans vehicle surfaces without causing damage, maintaining consistent performance across various vehicle profiles.
Implementation Method 1
the rocker brush includes a pendulum-style mount which enables the rocker brush to freely swing, without the aid of external components, relative to a vehicle pathway and/or a surface of a vehicle engaged by the rocker brush
Implementation Method 2
enables the rocker brush to freely swing, without the aid of external components
Data Source
AI summary
A pendulum rocker brush for a vehicle wash system is provided including a rocker arm, a rotatable coupler, a motor assembly, and a rocker brush head. Both the rocker brush head and motor assembly can be suspended from the coupler, freely dangling therefrom under the force of gravity, in an unbiased manner. The rocker brush head can pivot relative to the rocker arm through a swing angle between 5 and 45 degrees relative to vertical. The rotatable coupler and rocker brush head can be disposed at a pivoting angle between 10 and 45 degrees relative to a conveyor direction which a vehicle follows. When the rocker brush head encounters an opposing force above a movement threshold from the vehicle, the rocker brush head and the motor assembly can swing outward to the swing angle and at the pivoting angle so the vehicle is not damaged.