Spray Head Rail Mechanism for High-Resolution Slope Marking
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Solution Overview
Problem
Existing methods for ground marking on sloped surfaces are inefficient, requiring significant manual pre-planning, costly, and compromise image attributes like resolution, and existing autonomous systems struggle with scalability and flexibility.
Innovation Solution
A spray head arrangement with a unique wheel and tension belt mechanism that maintains tension stability on sloped surfaces, combined with a cloud-connected autonomous ground printer that allows for high-resolution and flexible ground deposition, using a detachable print head accessory for enhanced scalability and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual ground marking methods are used, then flexibility and adaptability are maintained, but productivity is low and manufacturing precision is compromised
Solution Approach 1:
The patent replaces manual mechanical marking operations with an automated spray head system that uses controlled material ejection through nozzles. The system substitutes human-operated mechanical processes with an automated mechanism that can precisely control material deposition while maintaining high resolution through digital design files and programmed spray patterns.
Solution Approach 2:
The patent implements variable parameters including spray pressure, nozzle distance from surface, spray head speed, and material flow rate that can be adjusted to achieve different marking resolutions and speeds. This allows the system to optimize between productivity and precision based on specific application requirements.
2Productivity
If existing autonomous deposition systems are used, then productivity is improved, but adaptability to sloped surfaces deteriorates
Solution Approach 1:
The patent employs a dynamic suspension system with adjustable dampers and springs that allow the spray head to automatically adapt to varying surface conditions including slopes. The system continuously adjusts its position and orientation to maintain optimal spray angle and distance from the ground surface, enabling autonomous operation on uneven and sloped terrain.
Solution Approach 2:
The patent uses counterbalancing mechanisms including springs and dampers that compensate for gravitational effects on sloped surfaces. These elements provide restoring forces that keep the spray head stable and properly positioned relative to the ground even when the vehicle operates on inclined surfaces.
3Adaptability or versatility
If fixed spray head arrangements are used, then device complexity is reduced, but adaptability and scalability deteriorate
Solution Approach 1:
The patent divides the spray head into modular segments including multiple nozzles that can be independently controlled, adjustable suspension components, and separable mounting interfaces. This segmentation allows different nozzle configurations and spray patterns to be achieved without redesigning the entire system, enhancing scalability while managing complexity through standardized modules.
Solution Approach 2:
The patent implements a universal spray head design that can perform multiple functions including different spray patterns, variable material types, and adjustable coverage areas. The system uses programmable control and interchangeable components to achieve versatility without proportionally increasing mechanical 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
Enables high-resolution, flexible, and robust ground printing on sloped surfaces with improved scalability and ease-of-use, meeting extreme market demands like 'full pitch' print activations in sports fields.
Implementation Method 1
four guide wheels on a first side of the mounting carriage, the four guide wheels on the first side of the mounting carriage comprising two guide wheels configured to engage a first side of a track portion of the vertical mounting rail and two guide wheels configured to engage with a second side of the track portion of the vertical mounting rail opposite the first side of the track portion of the vertical mounting rail
Data Source
AI summary
A spray head arrangement, suitable for use in a ground deposition apparatus, wherein in operation the spray head arrangement is moved linearly along a horizontal mounting rail, the spray head arrangement having: a vertical mounting rail; a second support arm arranged orthogonally to the vertical mounting rail; plurality of nozzles mounted to the second support arm and operable to deposit a material on a ground surface; and a mounting carriage, wherein the mounting carriage has four guide wheels on each of oppositely-disposed first and second sides of the mounting carriage, the four guide wheels on the first side of the mounting carriage being configured to engage oppositely-disposed first and second sides of a track portion of the vertical mounting rail, the four guide wheels on the second side of the mounting carriage being configured to engage oppositely-disposed first and second sides of a track portion of the horizontal mounting rail.