Road Surface Printer Supports for Stable Head Distance Control
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Solution Overview
Problem
Existing liquid discharge apparatuses struggle to maintain precise positioning on irregular surfaces while ensuring the distance between the installation surface and the discharge head remains within a specified range, leading to potential vibration and printing inaccuracies.
Innovation Solution
A liquid discharge apparatus equipped with a discharger, conveyor, and multiple supports, including first and second supports, which allows for precise positioning through the use of adjustable supports and conveyance mechanisms to stabilize the printer on the installation surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the printing apparatus is moved to each divided printing region to perform printing on a road surface, then the printing coverage is improved, but the positioning stability and distance control between the discharge head and road surface deteriorate
Solution Approach 1:
The support system is segmented into multiple independent supports (first support, second support, third support) distributed at different locations on the printing apparatus. Each support independently contacts the road surface, allowing the apparatus to maintain stability across large printing areas while adapting to local surface irregularities.
Solution Approach 2:
The support system enables dynamic adaptation to road surface irregularities through the coordinated action of multiple supports. The apparatus can adjust its posture and maintain stable positioning by utilizing the combined support points, allowing reliable operation during movement between printing regions.
2Manufacturing precision
If the distance between the road surface and discharge head is adjusted within a specified range, then the printing quality is improved, but the positioning speed on irregular surfaces deteriorates
Solution Approach 1:
The printing apparatus is equipped with multiple supports that are pre-positioned to contact the road surface. This preliminary configuration allows the apparatus to quickly establish stable positioning upon arrival at each printing region, eliminating the need for time-consuming adjustments when distance correction is required.
Solution Approach 2:
The multiple supports act as intermediaries between the printing apparatus and the road surface. They provide a stable reference framework that enables quick positioning while maintaining the ability to adjust discharge head distance, thus bridging the conflict between speed and precision.
3Productivity
If the printing apparatus is quickly fixed on the road surface, then the positioning speed is improved, but the distance control between installation surface and discharge head deteriorates
Solution Approach 1:
The support system divides the positioning function into multiple independent contact points. This segmentation allows rapid initial positioning through the combined support of multiple points while maintaining the flexibility to precisely control the discharge head distance from the road surface.
Solution Approach 2:
Different supports serve different functions: some provide primary positioning stability while others enable distance adjustment. This local differentiation of support functions allows the system to achieve both quick fixation and precise distance control simultaneously.
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 the quick and stable fixation of the printer's position relative to the installation surface, maintaining the distance between the surface and the discharge head within a specified range, thereby preventing vibration and ensuring accurate printing.
Implementation Method 1
The second support is attached to a lower portion of the discharger to support the discharger with the second support biased by a predetermined biasing force with respect to the installation surface
Data Source
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AI summary
A liquid discharge apparatus (1) includes a wheeled platform (20) and a discharger (10). The discharger (10) is disposed on the wheeled platform to discharge a liquid onto an installation surface on which the discharger (10) is installed. The wheeled platform (20) movably holds the discharger in a vertical direction. The discharger includes at least three or more first supports and a second support (15). The at least three or more first supports (14) are disposed at different corners of the discharger in a plan direction perpendicular to the vertical direction, to contact the installation surface to support the discharger. The second support (15) is disposed at a corner different from the corners of the at least three or more first supports (14) in the plan direction, to support the discharger. A position of the second support is adjustable in the vertical direction with respect to the installation surface.