Integrated Drill Shank With Injection Outlets for Continuous Grouting
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Solution Overview
Problem
Current sub-surface operations, such as tunneling, require separate drilling and injection devices, which can be inconvenient and inefficient for stabilizing geology by injecting grouts and cements, as they necessitate removing the drilling device and replacing it with a separate injection component.
Innovation Solution
An integrated drilling and injection device with a longitudinal shank, drill bit, and internal passage that allows for both drilling and fluid injection without removal, featuring outlets for material deployment and a valve system to control fluid flow, enabling simultaneous drilling and injection into a substrate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If separate drilling and injection devices are used, then drilling function is achieved, but device complexity and operational efficiency deteriorate due to requiring device removal and replacement
Solution Approach 1:
The patent combines drilling and injection functions into a single integrated device. The drill bit and injection outlets are integrated into one tool, allowing both drilling and grout injection to be performed simultaneously without removing or replacing components, thereby improving productivity while maintaining manageable device complexity
Solution Approach 2:
The device performs multiple functions: drilling into the substrate and injecting grout through outlets. This multi-functional design eliminates the need for separate drilling and injection operations, resolving the contradiction by making one device serve multiple purposes
2Loss of time
If separate drilling and injection devices are used, then drilling capability is achieved, but time consumption increases due to device replacement requirements
Solution Approach 1:
The integrated device enables continuous operation by eliminating the interruption required for device replacement. The drill bit continues drilling while grout is injected through outlets along the shank, maintaining continuous useful action and reducing time loss
Solution Approach 2:
By merging drilling and injection into one device, the patent eliminates the time-consuming removal and replacement steps, making the operation easier and faster while maintaining full functionality
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
This integrated device streamlines the process by allowing for continuous drilling and injection without device replacement, enhancing efficiency and reducing operational complexity in stabilizing geology and other applications like construction and repair.
Implementation Method 1
The device may be driven into a substrate by rotating the shank about its axis, allowing the drill bit to gouge out material in front
Implementation Method 2
fluid may be injected into the substrate by passing along the internal passage and through the at least one outlet
Data Source
AI summary
An integrated drilling and injection device, comprising: a longitudinal shank 7 having an internal passage extending from an open first end of the shank 7 along an axis of the shank 7 toward a second end of the shank; a drill bit 3 located at a second end of the shank 7 opposite the first end; and at least one outlet 9 in fluid communication between the internal passage and an exterior surface of the shank 7. In this way, the device may be driven into a substrate and then fluid may be injected into the substrate by passing along the internal passage and through the at least one outlet 9, without first having to remove the device and replace it with a separate injection component.