Vehicle-Mounted Excavation Apparatus with Adjustable Cutting Axis
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Solution Overview
Problem
Existing excavation technologies face challenges in efficiently and precisely penetrating thicker surfaces and maintaining operator safety during keyhole excavation, as they often require complex setups and limited maneuverability.
Innovation Solution
An excavation apparatus mounted on a vehicle with pivotable and rotatable supporting members and a motor-driven cutting element, allowing for adjustable positioning and orientation of the cutting axis between stowed and deployed positions, enabling precise cutting operations while maintaining unobstructed vehicle operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a complex excavation system with multiple support structures is used to penetrate thicker surfaces, then the penetration depth and cutting capability are improved, but the device complexity and setup time increase
Solution Approach 1:
The excavation apparatus is mounted on a vehicle base structure that serves multiple functions: providing structural support, enabling mobility to different excavation sites, and offering a stable platform for the cutting mechanism. This multi-functionality reduces the need for separate support structures and complex setup procedures while maintaining the capability to penetrate thicker surfaces
2Volume of moving object
If the cutting head is positioned closer to the vehicle for compact storage, then the device compactness is improved, but the operator safety and maneuverability during excavation are worsened
Solution Approach 1:
The apparatus employs dynamic positioning mechanisms that allow the cutting head to be moved between a compact stowed position near the vehicle for safe transport and storage, and an extended operational position that provides adequate clearance for safe excavation operations. This dynamic adjustment resolves the contradiction between compact storage and operational safety
3Device complexity
If the cutting axis is fixed in a single orientation, then the device simplicity is improved, but the adaptability to different excavation angles and positions is worsened
Solution Approach 1:
The cutting axis is made dynamically adjustable through rotatable supporting members that enable the cutting head to be oriented at different angles and positions. This dynamic adjustability allows the apparatus to adapt to various excavation requirements while maintaining a relatively simple base structure, resolving the contradiction between mechanism simplicity and cutting angle adaptability
Data Source
AI summary
An excavation apparatus includes a base structure mountable to a vehicle, and a first supporting member pivotally coupled to the base structure. The first supporting member is pivotable about a pivot axis that is generally parallel to a lateral direction between a retracted position and an advanced position. A second supporting member is rotatably coupled to the first supporting member. A rotary spindle is supported by the second supporting member and extends lengthwise along a cutting axis and is rotatable thereabout for driving a cutting element. When the first supporting member is in the advanced position, the second supporting member is rotatable about a rotation axis that is generally parallel to a longitudinal direction between a stowed position in which the cutting axis is generally parallel to the lateral direction and a deployed position in which the cutting axis is generally parallel to a vertical direction.