Anchor Driver Mechanism for Hammer Drill Installation
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Solution Overview
Problem
The existing methods for installing anchors in concrete are labor-intensive, slow, and costly, relying on manual labor and outdated principles that have not significantly changed over the years.
Innovation Solution
The development of wedge and drop-in anchor drivers that can be installed in a typical hammer drill, eliminating the need for manual labor and allowing for faster and more efficient installation by utilizing adjustable and solid driver designs that accommodate various anchor sizes and types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual hammering and ratcheting methods are used to install anchors, then the installation process can be completed with simple tools, but the process becomes labor-intensive and slow
Solution Approach 1:
The patent replaces manual hammering and ratcheting operations with a powered anchor driver tool that uses rotational and impact motion to drive anchors into concrete. The driver incorporates a ratcheting mechanism that converts rotational motion from a drill or impact driver into linear driving force, eliminating the need for manual hammering while significantly increasing installation speed and reducing labor intensity.
2Productivity
If traditional manual anchor installation methods are used, then equipment complexity remains low, but the process becomes costly and inefficient
Solution Approach 1:
The anchor driver is designed to accommodate multiple anchor types and sizes through interchangeable drive sockets and adjustable settings. The tool can drive various anchor styles (wedge anchors, drop-in anchors, sleeve anchors) using the same basic mechanism, reducing the need for multiple specialized tools while maintaining high installation efficiency across different applications.
Solution Approach 2:
The anchor driver is designed as a modular tool with separable components including the drive socket, ratcheting mechanism, and mounting interface. This segmentation allows for easy maintenance, replacement of wear parts, and adaptation to different anchor types without requiring complete tool replacement, thereby managing complexity while maintaining productivity.
3Reliability
If manual hammering is used to set anchors, then the risk of injury is higher, but automated drivers increase device complexity
Solution Approach 1:
The powered anchor driver replaces manual hammering operations, eliminating the need for workers to swing hammers and reducing risks of hand injuries, eye injuries from flying debris, and musculoskeletal injuries. The controlled delivery of impact forces through the driver's mechanism provides consistent, safe operation while reducing physical strain on workers.
Solution Approach 2:
The anchor driver acts as an intermediary between the power source (drill/impact driver) and the anchor, providing controlled force delivery and directional guidance. This intermediary mechanism ensures that expansion forces are applied uniformly and safely, preventing the kind of uncontrolled reactions that can occur with manual hammering methods.
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
These drivers significantly reduce the manual labor required, making the installation process faster, more efficient, and cost-effective, while also reducing the risk of injuries associated with manual hammering and ratcheting.
Implementation Method 1
the material in or on the anchor is expanded in the hole, by manually hammering directly on the anchor or hammering on a setting tool
Implementation Method 2
This increased volume of material pushes against the interior wall of the hole and creates friction. This friction is how most mechanical concrete anchors obtain their holding values.
Data Source
AI summary
A method for installing an anchor having: making a hole into the material in which the anchor is to be installed, by using a hammer drill; after associating an anchor driver with the chuck of the hammer drill, using the so created anchor driver-hammer drill first assembly, with the hammer drill in hammer mode, to hammer the anchor into the hole; and, after switching the hammer drill to drill mode, tightening the nut or bolt of the anchor using the anchor driver-hammer drill first assembly, or a second assembly comprising the hammer drill and a socket.