Angled-Axis Fastener Driver for Threaded Rod Alignment
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Solution Overview
Problem
Existing fastener driving tools face challenges in efficiently driving fasteners onto threaded rods, particularly with varying rod lengths and angles, as they often require precise torque conversion and alignment that existing technologies do not adequately address.
Innovation Solution
A fastener driving tool with a transmission assembly that includes bevel gears to convert input torque from a first rotational axis to an output torque about a second rotational axis at an angle, allowing for efficient driving of fasteners onto threaded rods of different lengths, featuring a housing with a channel and support notches for gear positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a transmission assembly with bevel gears is used to convert torque between angled axes, then the tool can drive fasteners onto threaded rods of varying lengths and angles, but the device complexity increases
Solution Approach 1:
The transmission assembly with bevel gears is designed to handle multiple configurations of threaded rods (different lengths and angles) using a single mechanism. The bevel gears enable torque conversion between different angular orientations, allowing the tool to universally accommodate various rod configurations without requiring separate specialized mechanisms for each case.
Solution Approach 2:
The bevel gears act as an intermediary mechanism between the input shaft and output member, mediating the torque transmission between angled axes. This intermediate gear system enables smooth angular conversion of rotational force, allowing the tool to adapt to different rod angles while maintaining efficient power transmission.
2Measurement precision
If the transmission assembly converts torque from a first rotational axis to a second rotational axis at an angle, then alignment and rotation precision is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The transmission assembly is segmented into multiple bevel gears (first bevel gear, second bevel gear, and intermediate bevel gear) that work together in stages. This segmentation allows the complex angular torque conversion to be broken down into manageable gear meshing stages, each with standardized precision requirements, rather than requiring a single complex mechanism with extremely high precision.
Solution Approach 2:
The bevel gears utilize the angular dimension to achieve torque conversion between non-collinear axes. By introducing intermediate angular stages through the bevel gear arrangement, the system achieves precise alignment and rotation control through multi-dimensional gear engagement rather than relying solely on single-axis precision.
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 tool effectively converts torque to drive fasteners onto threaded rods with varying lengths, providing efficient and precise alignment and rotation, enhancing usability and versatility in fastener installation tasks.
Implementation Method 1
The transmission assembly includes a first bevel gear coupled to the input shaft, a second bevel gear, and an intermediate bevel gear intermeshed with the first bevel gear and the second bevel gear. The first bevel gear is configured to rotate about the first rotational axis, and the second bevel gear is configured to rotate about the second rotational axis.
Data Source
AI summary
A fastener driving tool is provided for driving a fastener onto a threaded rod. The fastener driving tool includes a housing, and an input shaft rotatably supported by the housing. The input shaft defines a first rotational axis. An output member is rotatably supported by the housing. The output member is configured to rotatably support the fastener. The output member is configured to receive the fastener and a portion of the threaded rod. A transmission assembly is operatively coupled between the input shaft and the output member. The transmission assembly is configured to convert an input torque from the input shaft about the first rotational axis to an output torque about a second rotational axis acting on the output member. The second rotational axis is disposed at an angle relative to the first rotational axis.