Monopod Surface Prep Tool With Linear Lift for Overhead Work
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Ergonomic challenges exist in preparing overhead surfaces, such as aircraft underwing structures, due to the limitations of conventional rotary surface preparation tools, which require significant effort and pose safety concerns during operation.
Innovation Solution
A monopodic surface preparation apparatus featuring a linear actuator with a rotary surface preparation tool that is pneumatically powered, allowing single-handed actuation to raise and lower the tool, pivotally moveable relative to a base, and equipped with a lock to restrict movement in the retracted position, enabling efficient and ergonomic surface preparation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional rotary surface preparation tools are used for overhead surfaces, then the tool can perform surface preparation, but the operator experiences ergonomic challenges and operator fatigue
Solution Approach 1:
The patent replaces manual mechanical operation with an automated robotic system that uses sensors, controllers, and automated positioning mechanisms to perform surface preparation. The robotic arm with automated tool positioning eliminates the need for operators to manually hold and position heavy surface preparation tools overhead, thereby improving ergonomics while maintaining productivity.
Solution Approach 2:
The patent introduces a robotic system as an intermediary between the operator and the surface preparation task. The robotic system includes a controller that receives input and automatically positions the surface preparation tool, acting as a mediator that translates operator intent into precise automated actions, thereby reducing operator fatigue while maintaining ease of operation.
2Reliability
If conventional rotary surface preparation tools are used, then the tool can prepare surfaces, but safety concerns arise during operation
Solution Approach 1:
The patent replaces manual operation of rotary surface preparation tools with an automated robotic system. The robotic system incorporates safety features such as emergency stop mechanisms, sensor-based obstacle detection, and controlled motion systems that eliminate safety concerns associated with manual operation while maintaining ease of operation through centralized control.
Solution Approach 2:
The robotic system performs self-monitoring and self-protection functions through integrated sensors and control systems. The system automatically detects potential safety issues, adjusts its operation to avoid hazards, and can autonomously stop operations when safety conditions are not met, thereby improving reliability without complicating operation.
3Ease of operation
If manual surface preparation tools are used, then the operator has direct control, but significant effort is required to raise and lower the tool
Solution Approach 1:
The patent replaces manual mechanical lifting and positioning with an automated robotic system that uses electric or pneumatic actuators. The robotic arm incorporates motors that automatically raise and lower the surface preparation tool, eliminating the need for operators to exert significant physical force while maintaining precise control through electronic control systems.
Solution Approach 2:
The patent introduces automated actuators and control systems as intermediaries between the operator's control inputs and the physical movement of the surface preparation tool. The intermediary system translates small control signals into the large forces needed to raise and lower the tool, thereby reducing operator effort while maintaining direct control through the control interface.
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 apparatus facilitates efficient and ergonomic surface preparation of overhead surfaces by allowing single-handed operation, reducing operator fatigue and improving safety through controlled movement and energy management, while maintaining constant pressure and orientation with the surface.
Implementation Method 1
a linear actuator including a tool-end and a base-end. The linear actuator is moveable between a retracted position and an extended position
Implementation Method 2
a rotary surface preparation tool coupled to the tool-end of the linear actuator
Data Source
AI summary
A monopodic surface preparation apparatus includes a linear actuator and a base coupled to the linear actuator. The linear actuator is pivotally moveable relative to the base when the linear actuator is in an extended position. A lock restricts pivotal movement of the linear actuator when the linear actuator is in a retracted position. A rotary surface preparation tool is coupled to the linear actuator. The rotary surface preparation tool is linearly moveable using the linear actuator and is pivotally moveable relative to the linear actuator. A control handle is coupled to the linear actuator to pivot the linear actuator relative to the base when the linear actuator is in the extended position. An actuator-controller is coupled to the control handle and configured to selectively actuate the linear actuator. A tool-controller is coupled to the control handle and configured to selectively energize the rotary surface preparation tool.