Aerial Tool Configurations With Axial Rotator
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Solution Overview
Problem
Existing tree trimming technologies are inefficient, lack precision, and pose safety risks due to manual operations and limited reconfiguration capabilities, particularly around power lines, where automated and precise trimming is necessary but current solutions are cumbersome and non-precise.
Innovation Solution
A reconfigurable extendable boom mounted aerial apparatus with quick connect/disconnect sealable couplings for various aerial tool configurations, enabling semi-precise and precision tree trimming, debris handling, chemical spraying, and other applications, utilizing hydraulic, pneumatic, or water/chemical hoses, and featuring an extendable grapple mechanism to manage cut limbs and debris safely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual tree trimming operations are used in insulated buckets, then workers can safely trim trees near power lines, but the operation is slow and involves potential risk of injury to the worker
Solution Approach 1:
The patent replaces manual mechanical tree trimming operations with an automated mechanical cutting system. The automated cut head with rotating saw blades eliminates the need for workers to manually operate chainsaws from insulated buckets, thereby maintaining safety while significantly increasing trimming speed and productivity.
Solution Approach 2:
The automated cutting system is designed to operate independently without direct human intervention during the cutting process. The system self-manages the trimming operation through automated positioning and cutting mechanisms, reducing worker exposure to hazards while maintaining operational efficiency.
2Productivity
If automated cutting mechanisms are used, then trimming speed increases, but the apparatus lacks reconfiguration capabilities for different tool configurations
Solution Approach 1:
The patent divides the aerial apparatus into modular segments that can be independently configured. The boom system, cut head, and tool assemblies are separate modular components that can be reconfigured for different trimming tasks, maintaining high productivity while providing adaptability for various tool configurations.
Solution Approach 2:
The apparatus incorporates dynamic reconfiguration capabilities through movable and adjustable components. The boom can be positioned at various angles and heights, and the cut head can be oriented in different directions, allowing the system to adapt to different trimming scenarios while maintaining automated high-speed operation.
3Measurement precision
If precision trimming is implemented, then accuracy of tree limb cutting improves, but the complexity of the apparatus increases
Solution Approach 1:
The patent replaces complex manual precision control systems with automated mechanical positioning and cutting mechanisms. The automated system uses mechanical actuators and controlled rotation of saw blades to achieve precise cuts without requiring complex control systems or multiple sophisticated components, thereby maintaining cutting precision while managing apparatus complexity.
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 allows for efficient, precise, and safe trimming and debris management, reducing operator risk and enhancing operational efficiency by enabling rapid configuration changes and extended reach, suitable for various applications beyond tree trimming.
Implementation Method 1
an axial rotator for turning the aerial tool assembly in a plane perpendicular to the boom axis, the axial rotator comprising a rotating swivel, the rotating swivel further comprising a plurality of swivel ports, one or more of the plurality of swivel ports providing hydraulic or pneumatic power to at least one aerial tool accessory
Implementation Method 2
one or more of the plurality of swivel ports providing hydraulic or pneumatic power to at least one aerial tool accessory attached via the one or more quick connect/disconnect sealable hose couplings
Implementation Method 3
The quick connect/disconnect sealable hose couplings may be used, in some embodiments, for attaching tools powered by hydraulic, pneumatic, or water/chemical hoses attached to ports of differently designed swivels, rotators, or actuators
Implementation Method 4
an axial rotator for turning the aerial tool assembly in a plane perpendicular to the boom axis, the axial rotator comprising a rotating swivel
Data Source
AI summary
A field-configurable apparatus for different aerial applications is provided. The field-configurable apparatus attaches to an aerial boom on a mobile carrier. The apparatus can perform rapid semi-precise cutting of vegetation. Additionally, the apparatus can perform more precise trimming of one or more areas (e.g., limbs) and optionally use a limb clamp to prevent cut limbs/vegetation from arbitrarily falling on objects below the cutting area. Still further, the apparatus can have a grapple or similar device attached to the end of the boom for use in relocating debris or for loading debris. Other industrial applications are also possible (e.g., commercial water blasting, deicing of planes, etc.). In each configuration, the apparatus comprises one or more rotatable or pivoting couplings to allow for rotation about one or more axis and therefore allow precise manipulation of an aerial tool assembly from an operator in the vehicle or on the ground.