Drone Chainsaw Arm for Remote Tree Trimming Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Trimming tree branches is a dangerous occupation due to the risk of falls, loss of balance, and potential electrocution when using chainsaws on ladders or extension poles, especially near power lines.
Innovation Solution
A drone equipped with multiple motors, a protective cage, and an articulating arm with a battery-powered chainsaw, allowing remote operation and adjustable counterweight for stability, with a movable cutting guard for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an operator uses a chainsaw on a ladder or extension pole to trim tree branches, then the operator can reach difficult locations, but the operator is exposed to high risk of falls, loss of balance, and electrocution
Solution Approach 1:
The patent replaces the mechanical system of human operators physically climbing ladders or extending poles with an automated drone system equipped with a chainsaw. The drone autonomously navigates to difficult locations and performs cutting operations, eliminating human exposure to hazardous environments while maintaining the capability to access tall trees and hard-to-reach branches.
Solution Approach 2:
The drone acts as an intermediary between the operator and the dangerous trimming environment. The operator controls the drone remotely from a safe location, and the drone executes the cutting tasks in the hazardous zone near power lines and at heights, thus mediating the interaction and protecting the human operator from direct exposure to risks.
2Length of stationary object
If a chainsaw is mounted on an extension pole, then the operator can reach higher branches, but the weight creates a cantilever effect that is difficult to control
Solution Approach 1:
The patent replaces the extension pole mechanical system with a drone platform that uses aerodynamic lift and active flight control to support and position the chainsaw. Instead of relying on a long rigid pole that creates leverage issues, the drone hovers and positions itself precisely using its propulsion system, eliminating the cantilever control problem while maintaining high reach capability.
3Productivity
If an operator stands on a ladder while operating a chainsaw, then the trimming task can be performed, but the combination of ladder instability and chainsaw operation creates catastrophic fall risks
Solution Approach 1:
The patent replaces the ladder-based human operation system with an autonomous drone system. The drone maintains stable positioning through active flight control and hover capabilities, performing chainsaw operations without any human presence on ladders or elevated surfaces. This substitution eliminates the fundamental safety issue of combining ladder instability with chainsaw operation while maintaining trimming productivity.
Solution Approach 2:
The drone system is self-sufficient in performing the trimming task. It autonomously navigates to target branches, positions itself for optimal cutting angles, executes the chainsaw cuts, and returns to base without requiring human operators to physically position themselves in dangerous locations. The system serves itself in the hazardous environment, keeping humans out of harm's way.
Data Source
AI summary
A battery powered octocopter drone with a protective frame. An articulating arm is mounted to the drone with a battery powered chain saw positioned along the end of the articulating arm. The chainsaw allows for the trimming of remote trees and bushes previously only accessible by a ladder or bucket lift. The drone is adjustable forward/aft to compensate for the center of gravity. The drone includes a remote control receiver, telemetry and an antenna allowing an operator to control all aspects of the drone from a remote position.