Modular Drilling Apparatus with Hydraulic Propulsion
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Solution Overview
Problem
Traditional drilling systems are inefficient, expensive, and labor-intensive, generating excessive dust and heat, and require significant human resources, especially when drilling through hard surfaces like asphalt, concrete, or rock, and lack the ability to drill multiple holes simultaneously.
Innovation Solution
A modular drilling apparatus with multiple hollow drill rods and a flexible support structure that uses pressurized water and additives to efficiently drill into the ground, minimizing dust and heat, and can be easily transported and coupled with various machinery, allowing for simultaneous drilling and injection of fluids into the earth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If traditional drilling systems use air as a drilling propellant, then drilling can be performed, but significant dust is generated and machinery becomes excessively hot
Solution Approach 1:
The patent replaces air (pneumatic) propellant with water (hydraulic) propellant for the drilling process. The water jet system delivers high-pressure water through hollow drill rods to erode and remove material, eliminating dust generation while cooling the drill bits and reducing machinery heat through the fluid's heat capacity and evaporative cooling effects.
Solution Approach 2:
The patent converts the harmful effect of water (potential for soil erosion) into a beneficial drilling mechanism by using high-pressure water jets to efficiently erode and remove hard materials like asphalt, concrete, and rock. The water that would normally be considered a potential hazard becomes the primary cutting and material removal tool, simultaneously cooling the system and eliminating dust.
2Productivity
If traditional drilling systems drill one hole at a time, then drilling can be performed, but the process is slow and laborious
Solution Approach 1:
The patent divides the drilling system into multiple independent drill rod assemblies (typically four) that can operate simultaneously. Each drill rod is a separate hollow tube with its own drill bit and water injection system, allowing parallel drilling of multiple holes while maintaining individual control over each rod's operation and fluid delivery.
Solution Approach 2:
The patent combines multiple drilling functions into a single integrated apparatus that simultaneously performs drilling, material removal, and soil treatment. The system merges the functions of multiple drill rods, water pumps, and control systems into one coordinated unit that can drill multiple holes and inject treatment materials concurrently, dramatically increasing productivity compared to sequential single-hole drilling.
3Adaptability or versatility
If soil conditioning systems drive hollow rods into the ground using force, then soil can be conditioned, but the system requires heavy counterweight and is permanently affixed to bulldozers
Solution Approach 1:
The patent replaces mechanical force-driven rod insertion with high-pressure hydraulic water jet propulsion. The hollow drill rods are advanced into the ground by the force of pressurized water delivered through them, eliminating the need for heavy mechanical pushing systems and counterweights. This hydraulic approach allows the same apparatus to be mounted on lighter, more mobile platforms like skid steer loaders.
Solution Approach 2:
The patent substitutes the mechanical force-based soil penetration system with a fluid-based hydraulic system. Instead of using mechanical engines and heavy structures to push rods into the ground, the system uses high-pressure water jets to erode and advance the drill rods, replacing heavy mechanical infrastructure with a lighter fluid dynamics-based system that maintains effectiveness while improving mobility.
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 apparatus significantly reduces operational costs, minimizes dust and heat generation, and achieves smoother drilling with reduced wear on equipment, enabling efficient drilling through various ground conditions and soil treatments.
Implementation Method 1
a pair of hydraulic cylinders, with the hydraulic cylinders being affixed at a first end to the top mast beam and at a second end to the frame such that the mast assembly is raised and lowered relative to the frame through the extension and retraction of the hydraulic cylinders
Implementation Method 2
a hydraulic power take off (PTO) coupled with and secured to the corresponding gearbox such that an output gear of the PTO supplies torque to the gearbox
Implementation Method 3
present pressurized water and additives to ground strata
Implementation Method 4
with the use of fluid as a propellant, dust at the worksite is minimized
Implementation Method 5
the gearbox amplifying the torque, and a hollow drill rod with a drill bit at one end and secured at the other end to the corresponding gearbox to receive the amplified torque
Implementation Method 6
The support structure assembly flexibly coupled with the mast assembly includes a top support beam and a mid support beam; the flexible coupling allows the support structure assembly to move vertically with the mast assembly
Data Source
AI summary
Provided is a novel drilling apparatus for drilling into prepared ground surfaces and natural ground conditions. The apparatus includes a mast assembly, a support structure assembly flexibly coupled with the mast assembly, a plurality of drill assemblies affixed to the support structure assembly, and a frame. Also provided is a method of drilling into a ground surface, by providing a drilling apparatus having a mast assembly, a support structure assembly flexibly coupled with the mast assembly, a plurality of drill assemblies affixed to the support structure assembly, and a frame. Each of the drill assemblies include a hollow drill rod with a drill bit at one end, the bit having exterior cutting elements and interior fluid diverters. Pressurized fluid and torque is supplied to the drill rods, and by means of the mast assembly and support structure assembly the drill rods are moved downward so that using the downward and rotational force, and the pressurized fluid, the drill bits drill into the ground surface.