Self-aligning Tool Guide for Ceiling Drilling
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Solution Overview
Problem
Drilling holes in suspended ceilings for maintenance and installation is time-consuming due to the need for manual ladder repositioning and the lack of efficient alignment tools, especially on uneven surfaces.
Innovation Solution
A self-aligning tool guide with a bracket, elevator, and self-balancing chassis, equipped with sensors and a steering system that dynamically stabilizes the tool guide on one or two wheels, ensuring accurate alignment and stability by counteracting lateral deflections and inclinations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a freely oscillating tool is used on uneven ceiling surfaces, then the tool can adapt to lateral forces, but the alignment accuracy deteriorates due to deflection
Solution Approach 1:
The patent implements an active dynamic stabilization system with sensors detecting tool position and control mechanisms providing real-time counteracting forces. This dynamic system maintains precise alignment (improving manufacturing precision) while adapting to uneven surfaces and lateral forces through active compensation (maintaining adaptability).
Solution Approach 2:
The patent employs feedback control where sensors continuously monitor tool deflection and position, and the control system adjusts counteracting forces in real-time. This closed-loop feedback ensures alignment accuracy is maintained (improving manufacturing precision) while the system adapts to varying lateral forces from uneven surfaces (maintaining adaptability).
2Device complexity
If manual ladder repositioning is used for ceiling drilling, then the operation can be performed with simple equipment, but the productivity deteriorates due to repeated climbing and moving
Solution Approach 1:
The patent divides the ceiling treatment task into automated segments. The robotic system with multiple degrees of freedom can independently position and drill at multiple locations without manual intervention between holes, dramatically improving productivity while the modular robotic design keeps overall system complexity manageable.
Solution Approach 2:
The robotic system performs self-positioning and self-drilling operations autonomously. It automatically moves between drilling locations, positions the tool, and executes drilling without requiring manual ladder repositioning, thereby improving productivity while the automation handles the complex coordination internally.
3Stability of the object's composition
If a multi-wheel chassis is used for stability, then the structural stability improves, but the device complexity increases due to additional alignment mechanisms
Solution Approach 1:
The patent uses a two-wheeled mobile platform with active dynamic stabilization instead of a complex multi-wheel suspension system. Sensors detect platform inclination and the control system actively compensates for instability, achieving structural stability (comparable to multi-wheel systems) while maintaining the simplicity of a two-wheeled design and reducing alignment mechanism complexity.
Solution Approach 2:
The patent replaces passive mechanical stability mechanisms (such as complex multi-wheel suspensions or mechanical alignment devices) with active control systems using sensors and actuators. This substitution achieves the required structural stability while significantly reducing mechanical complexity and the number of alignment mechanisms needed.
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 efficient and stable operation on uneven surfaces, reducing the need for manual repositioning and improving alignment accuracy, thus enhancing productivity in ceiling installations and maintenance tasks.
Implementation Method 1
A center of gravity sensor is set up to detect a lateral deflection of the center of gravity of the drawworks relative to the wheel axle
Implementation Method 2
A tilt sensor detects a tilt of a wheel axle of the chassis relative to a horizontal plane
Data Source
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AI summary
A self-aligning tool guide (1) has a mounting (5) for fixing a hand-held machine tool (6) for machining a ceiling (3), a lifting mechanism (7), and a self-balancing chassis (8). The mounting (5) is mounted on the lifting mechanism (7), and the lifting mechanism (7) has a propulsion unit (24) for lifting the mounting (5) parallel to a lifting axis (25). The self-balancing chassis (8) has two wheels (27) on one wheel axle (28), a drive (21) which is coupled to the wheels (27), and a steering system (20). A contact sensor (54) is used to detect an indirect contact of the mounting (5) with the ceiling (3). The chassis (8) has a brake (53), and the controller (9) has a mode in which the brake (53) is activated and the balancing function of the self-balancing chassis (8) is deactivated.