Power Transmission Device for Forestry Implement Adaptation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In forestry environments, particularly in lumber operations, existing machinery faces challenges with remote locations, heavy and unstable trees, and the need for efficient power transmission to attached implements like tree and limb processors.
Innovation Solution
A transmission device coupled to a timber processor energy source with driven rollers and reverse gears that transfer rotational energy to a propeller shaft, enabling efficient power delivery to attached implements such as chippers through a detachable and rotatable system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid fixed power transmission system is used, then power can be transmitted reliably, but the system cannot adapt to uneven terrain and unstable tree positions in forestry environments
Solution Approach 1:
The patent applies dynamics by making the power transmission system movable and adaptable rather than fixed. The transmission device includes rollers and gears that can rotate and adjust their positions dynamically to accommodate uneven terrain and unstable tree positions while maintaining reliable power transmission from the processor to the implement.
Solution Approach 2:
The power transmission system is segmented into multiple independent components including driven rollers, reverse gears, and propeller shafts that can move and adjust independently. This segmentation allows each component to adapt to local terrain conditions while collectively maintaining reliable power transmission across the entire system.
2Device complexity
If power is transmitted directly from processor rollers to implement, then transmission is simple, but the system lacks adaptability for different operating conditions and terrain
Solution Approach 1:
The patent introduces intermediary components between the processor rollers and the implement, specifically driven rollers and reverse gears. These intermediaries enable the power transmission system to adapt to different operating conditions and terrain by providing flexible mechanical coupling while maintaining a relatively simple overall structure.
3Reliability
If the transmission device is permanently attached to the processor, then power transmission is stable, but the system lacks flexibility for different implements and operations
Solution Approach 1:
The transmission device is designed with dynamic attachment capabilities, allowing it to be securely connected to the processor during operation for stable power transmission, yet easily detached and reconfigured for different implements. The reverse gears and propeller shafts can be adjusted or removed based on operational requirements.
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
Enables efficient and stable power transmission to forestry implements, facilitating operations in challenging environments by providing a reliable and adaptable energy transfer mechanism.
Implementation Method 1
A reverse gear intermeshes with each pair of driven rollers. Each reverse gear transfers rotational energy from the driven rollers.
Data Source
AI summary
A transmission device 10 coupled to a processor energy source 12 having one or more processor driving rollers 14. The processor 12 provides energy to the transmission device 10. Multiple driven winch drive rollers 32 are supported by the body 18. A vertically-oriented propeller shaft 36 coupled with an implement such as a chipper are attached to the body 18.