Portable Hard Rock Drill Rig Modular Assembly
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Solution Overview
Problem
Existing portable drilling systems are either too heavy and bulky to be truly portable, lack air or water hammer movement, and struggle with assembly in confined spaces, making them inefficient for drilling through solid rock and unstable surfaces.
Innovation Solution
A modular, lightweight drilling system with a portable body assembly that includes a sliding head base, hydraulic motor base, and a rectangular frame with 'C' channels, allowing for hydraulic rotation and air/water hammer capabilities, along with a separate control station for fluid and air pressure control, enabling drilling at various angles and on uneven surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If portable drilling systems are made lightweight and modular for true portability, then ease of transport and assembly is improved, but drilling power and rock penetration capability deteriorate
Solution Approach 1:
The drilling system is divided into modular components including a head assembly, power unit, and support structure that can be separately transported and quickly assembled. This segmentation allows the system to maintain lightweight individual components while delivering full drilling power when assembled, resolving the contradiction between portability and drilling capability.
Solution Approach 2:
The system employs hydraulic motors and pneumatic hammer mechanisms to deliver high drilling power in a compact package. By using fluid power systems rather than purely mechanical transmissions, the patent achieves high power output in lightweight components that can be easily transported and assembled, overcoming the traditional trade-off between weight and power.
2Productivity
If air or water hammer movement is added to portable drill rigs to improve rock drilling performance, then drilling efficiency through solid rock is improved, but system weight and bulkiness increase
Solution Approach 1:
The patent combines the hydraulic rotation system and pneumatic hammer system into a single integrated head assembly. This merging allows the air or water hammer mechanism to be delivered through the existing hydraulic infrastructure rather than requiring separate heavy mechanical systems, thereby improving rock drilling efficiency while minimizing additional weight.
3Stability of the object's composition
If portable drilling systems are designed with fixed heavy frames for stability, then drilling stability on uneven surfaces is improved, but ease of assembly in confined spaces deteriorates
Solution Approach 1:
The support structure employs adjustable and movable components rather than fixed rigid frames. The system includes adjustable legs and positioning mechanisms that allow the drill rig to adapt to uneven surfaces and achieve stability dynamically, while the modular design enables easy assembly and disassembly in confined spaces without requiring heavy fixed frames.
4Ease of operation
If modular components are used to improve portability and ease of assembly, then ease of transport and assembly is improved, but device complexity increases
Solution Approach 1:
The modular components are designed with universal interfaces and standardized connection points that allow the same parts to serve multiple functions. For example, the head assembly can be configured for different drilling applications, and the power unit can serve both hydraulic rotation and pneumatic hammer functions. This universality reduces the overall number of unique parts, thereby simplifying the system despite its modular nature.
Data Source
AI summary
A portable hard rock drill rig uses fluids for rotational power and compressed air to achieve a hammer affect. The drill rig is comprised of modular parts configured to allow one or two workers to move the rig over difficult terrain and to assemble the rig within a small area.