Pendulum Wheel Washer with Self-Tracking Manifolds
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Solution Overview
Problem
Existing automated wheel washing systems are complex, costly, and require frequent maintenance due to their reliance on hydraulically driven cylinders to track wheels, which is not suitable for newer vehicles with sensitive hubcaps and rims, and they struggle to effectively clean the entire wheel surface in a short drive-through washing system.
Innovation Solution
A wheel washing assembly featuring a pendulum assembly with pivotable washing manifolds and a roller assembly that automatically tracks the wheel using a simple mechanical drive, allowing continuous washing with a single pump and spinning nozzles that adjust height and pressure to ensure thorough cleaning without complex tracking mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hydraulically driven cylinders are used to position the wheel washing assembly to follow the wheel, then the assembly can track the wheel along the transport path, but the device complexity and maintenance costs increase significantly
Solution Approach 1:
The wheel washing assembly is positioned to be pushed by the wheel itself, allowing the wheel to automatically drive the washing assembly along the transport path without requiring external hydraulic positioning systems. The wheel's motion directly serves the positioning function.
Solution Approach 2:
The complex hydraulic positioning system is completely removed from the design. Instead of using hydraulically driven cylinders to actively track the wheel, the system extracts the positioning function and achieves it passively through the wheel's own motion pushing the washing assembly.
2Object-affected harmful factors
If low-pressure soapy water spray is used to clean the wheel, then the risk of damaging hubcaps and rims is reduced, but the cleaning effectiveness decreases
Solution Approach 1:
The system uses dynamically adjustable nozzle assemblies that can change their orientation and position in real-time to follow the wheel's motion and maintain optimal cleaning angles throughout the washing process, maximizing cleaning effectiveness with low-pressure water.
Solution Approach 2:
The nozzle assemblies continuously track and follow the wheel along the entire transport path, maintaining constant cleaning action throughout the wheel's passage through the washer, ensuring thorough cleaning without requiring high pressure.
3Device complexity
If stationary spaced nozzles are used to spray the wheel, then the device complexity is reduced, but the cleaning coverage is insufficient as the wheel passes quickly
Solution Approach 1:
The nozzle assemblies are made dynamic with the ability to move and adjust their positions along the transport path to continuously follow the wheel, ensuring comprehensive cleaning coverage without requiring complex stationary positioning systems.
Solution Approach 2:
The wheel itself acts as an intermediary that transfers motion to the washing assembly. As the wheel moves along the transport path, it pushes the washing assembly and nozzle system, creating a coordinated motion that ensures continuous cleaning coverage.
4Productivity
If the wheel washing assembly is designed to follow the wheel motion, then continuous washing is achieved, but the maintenance and repair costs increase due to moving parts
Solution Approach 1:
The wheel's motion automatically drives the washing assembly through the cleaning process, with the wheel itself serving as the drive mechanism. This eliminates the need for separate drive assemblies with motors, belts, and other maintenance-requiring components.
Solution Approach 2:
The complex mechanical drive system with hydraulics and multiple moving parts is replaced with a simple mechanical push arrangement where the wheel directly propels the washing assembly, dramatically reducing maintenance requirements while maintaining continuous washing capability.
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 solution reduces maintenance and construction costs, provides effective and efficient wheel cleaning with minimal mechanical complexity, and automatically adjusts to varying conveyor speeds, ensuring thorough coverage of wheel surfaces without damaging newer vehicle designs.
Implementation Method 1
The pendulum assembly is pivotably supported on the machine frame, and the washing manifolds are pivotable between a start washing position and an end washing position by an automatic motion of the pendulum assembly
Implementation Method 2
both of the washing manifolds automatically track the wheel by a motion of one of the wheels. In addition, the roller assembly is pushed by one of the wheels
Data Source
AI summary
A wheel washing assembly contains a machine frame, a pendulum assembly pivotably supported on the machine frame, and two washing manifolds, including a first washing manifold and a second washing manifold, attached to the pendulum assembly. Each of the washing manifolds has a nozzle assembly for ejecting water at a wheel to be washed. The washing manifolds are pivotable between a start washing position and an end washing position by an automatic motion of the pendulum assembly. The washing manifolds further automatically track the wheels to be washes by a motion of one of the wheels.