Self-Aligning Tool Guide for Stable Vertical Ceiling Drilling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Drilling holes in suspended ceilings for installation work is time-consuming due to the need for manual ladder repositioning and the complexity of existing mobile drilling devices, which require disassembly for transport.
Innovation Solution
A self-aligning tool guide with a holder, lifting gear, and chassis, equipped with a center of gravity sensor, inclination sensor, and swivel joint, allowing for automatic vertical alignment and stabilization, enabling efficient drilling without manual ladder repositioning and easy transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a mobile ceiling drilling device is used, then drilling efficiency is improved, but the device complexity increases and requires disassembly for transport
Solution Approach 1:
The device is divided into modular components: a base unit with propulsion mechanism, a telescopic mast that can be extended/retracted, and a drilling assembly that can be detached. This segmentation allows the device to be disassembled into manageable parts for transport while maintaining full functionality during operation, directly resolving the contradiction between improved drilling efficiency and device complexity.
Solution Approach 2:
The telescopic mast incorporates expandable sections that can be dynamically adjusted in length during operation. The propulsion mechanism provides dynamic movement capabilities, allowing the device to navigate to different ceiling locations. This dynamic design enables the device to adapt its configuration for both efficient drilling operations and compact transport, addressing the complexity issue.
2Device complexity
If manual ladder repositioning is used, then device complexity is reduced, but time consumption increases
Solution Approach 1:
The device incorporates a self-propulsion mechanism with drive wheels and steering capabilities, enabling it to autonomously navigate to different working positions on the ceiling. This self-service capability eliminates the need for manual ladder repositioning, significantly reducing time consumption while the integrated design keeps overall device complexity manageable.
Solution Approach 2:
The manual mechanical process of climbing and repositioning ladders is replaced with an automated propulsion system featuring electric motors, sensors, and control mechanisms. This substitution transforms the time-consuming manual operation into an automated process, reducing time loss while introducing controlled device complexity.
3Device complexity
If vertical alignment is manually adjusted, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The device incorporates sensors that detect the vertical alignment status of the drilling tool relative to the ceiling surface. This feedback information is processed by a control system that automatically adjusts the tool position to achieve precise vertical alignment. The feedback mechanism ensures high manufacturing precision without requiring complex manual adjustment procedures.
Solution Approach 2:
Manual visual alignment and physical adjustment mechanisms are replaced with sensor-based detection systems and automated positioning mechanisms. This substitution achieves superior vertical alignment precision through electronic control and feedback, while the integrated design keeps overall device complexity manageable.
4Reliability
If the device is designed for stability, then reliability is improved, but ease of operation deteriorates due to weight
Solution Approach 1:
The device is segmented into modular components that can be easily assembled and disassembled. The base unit contains the propulsion mechanism and power supply, while the drilling assembly can be detached. This segmentation allows operators to handle lighter individual components during setup and transport, improving ease of operation while maintaining overall system stability when assembled.
Solution Approach 2:
The device incorporates adjustable parameters including telescopic mast length and adjustable drilling depth. These parameter changes allow the device to adapt to different working conditions and ceiling heights, improving ease of operation for various tasks while the robust base structure maintains reliability and stability during operation.
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 self-aligning tool guide significantly reduces the time and effort required for drilling holes in ceilings by automatically maintaining vertical alignment and stabilization, enhancing operational efficiency and simplifying transport.
Implementation Method 1
A center of gravity sensor is set up to detect a lateral deflection of the center of gravity of the hoist relative to the wheel axle
Implementation Method 2
An inclination sensor (37) is used to detect an inclination (36) of the elevator (7) relative to gravity in a frontal plane
Implementation Method 3
The lifting gear (7) is mounted on the chassis (8) by means of a swivel joint, with a swivel axis (94) of the swivel joint (93) being inclined relative to the frontal plane or perpendicular to the frontal plane
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A tool guide (1) has a mounting (5), a lifting mechanism (7), and a chassis (9). The mounting (5) is designed to fix a hand-held machine tool (6) and is mounted on the lifting mechanism (7), and the lifting mechanism (7) has a propulsion device (25) for vertically lifting the mounting (5). The chassis (9) has two wheels (28) on a wheel axle (29), a drive (22) coupled to the wheels (28), and a steering system (21). The lifting mechanism (7) is rigidly mounted on the chassis (9). A center of gravity sensor (36) is designed to detect a lateral deflection x of the center of gravity G of the lifting mechanism (7) relative to the wheel axle (29). The steering system (21) is designed to actuate the drive (22) so as to dispense a torque which counteracts the deflection x. The lifting mechanism can be pivoted by means of a pivot drive (40), and a tilt controller (103) is designed to actuate the pivot drive (100) such that the tilt (36) is minimized.