Drill Extension With Integrated Level And Modular Segments
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Solution Overview
Problem
Current drill extensions are difficult for a single operator to manage due to weight and torque, leading to fatigue and potential misalignment of vertically aligned openings, and often lack sufficient length for multistory applications.
Innovation Solution
A modular drill extension with a hollow tubular body, rotating shaft, and handle system that allows a single operator to maintain vertical alignment and extend the drill bit several feet from the drill, using bearings and a stop collar for stability and adjustability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a drill extension is used to allow the drill bit to operate at an extended distance from the drill, then the operator can reach distant locations and create aligned openings, but the extension becomes heavy and creates torque that causes operator fatigue and difficulty in maintaining vertical alignment
Solution Approach 1:
The drill extension is divided into multiple modular segments that can be connected in series. Each segment has a standardized interface allowing them to be assembled to different lengths based on the specific application requirements. This segmentation allows the operator to use shorter extensions for nearby openings and extend the system for multistory applications without always requiring the maximum length extension.
Solution Approach 2:
The extension incorporates telescoping sections with movable elements that allow the length to be adjusted dynamically during operation. The extension can be extended or retracted based on the specific drilling requirements, allowing the operator to optimize the length for each task and reduce unnecessary weight and torque when full extension is not required.
2Length of moving object
If a long drill extension is used to reach distant openings, then multistory applications become possible, but the device becomes more difficult to control and maintain vertical alignment
Solution Approach 1:
The extension incorporates built-in alignment indicators such as laser levels or optical sights that provide real-time feedback to the operator about the vertical alignment of the drill bit. This feedback mechanism allows the operator to continuously monitor and adjust the alignment during operation, ensuring precise vertical openings even when using extended lengths for multistory applications.
Solution Approach 2:
The extension replaces manual alignment methods with automated alignment systems such as laser guides or gyroscopic stabilization. These systems use optical or electronic mechanisms to maintain vertical alignment automatically, reducing the skill level required and improving consistency regardless of extension length.
3Length of moving object
If a heavy drill extension is used to provide sufficient length for multistory buildings, then the required length is achieved, but the operator experiences fatigue quickly
Solution Approach 1:
The extension is divided into multiple modular segments that can be connected in series. Each segment has a standardized interface allowing them to be assembled to different lengths based on the specific application requirements. This segmentation allows the operator to use shorter extensions for nearby openings and extend the system for multistory applications without always requiring the maximum length extension.
Solution Approach 2:
The extension is constructed using composite materials such as carbon fiber reinforced polymers or aluminum alloys that provide high strength-to-weight ratio. These materials maintain the structural integrity and stiffness required for long extensions while significantly reducing the weight, allowing operators to work for extended periods without excessive fatigue.
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 a single operator to drill aligned openings across multiple floors without fatigue, ensuring vertical alignment and providing sufficient length for most building scenarios, while being economically viable and easy to produce.
Implementation Method 1
A shaft having a male end and an opposing female receiver joined with the male end by a shank and being rotatably disposed within the body member
Implementation Method 2
At least one level is attached to the outer surface of the body member and is radially oriented with respect to a longitudinal axis of the body member
Data Source
AI summary
A drill extension for extending the working reach of a drill uses a hollow tubular body that has a shaft rotatably disposed therein and held therein by a pair of spaced apart bearings, each bearing attached to an inner surface of the body. The shaft has a male end that is received within a chuck of the drill and an opposing female receiver for receiving a shaft of a drill or the male end of another drill extension. A handle is attached the outer surface of the body member such that the handle has a ring member that is received within an encircling groove on the outer surface of the body member, the handle also has a grasp arm. At least one level is attached to the outer surface and is oriented either radially with respect to a longitudinal axis of the body member or in parallel with the axis or both.