Offset Feed Rollers for Continuous Large Trunk Chipping
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Solution Overview
Problem
Existing chipper feed systems struggle to effectively and continuously pull large, heavy tree trunks into the chipping mechanism, affecting the overall performance and efficiency of the chipping process.
Innovation Solution
A feed system comprising upper and lower rotating feed rollers with asymmetrical teeth and claws that engage and pull materials into the chipper, where the rollers' relative positions and configurations allow for efficient gripping and pulling of logs and brush, with adjustable mechanisms to accommodate varying sizes and pressures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional feed rollers are used, then the chipper can handle small to medium materials, but it cannot effectively and continuously pull large, heavy tree trunks into the chipping mechanism
Solution Approach 1:
The feed roller is segmented into multiple independently rotatable feed elements (rollers) arranged in series along the feed path. Each feed element has its own drive mechanism and gripping elements, allowing the system to handle large trunks through distributed gripping forces rather than relying on a single roller's limited capacity.
Solution Approach 2:
The feed elements are designed with adjustable positioning and pressure mechanisms that allow dynamic adaptation to varying trunk sizes and weights. The system can continuously adjust the gripping force and position of each feed element to maintain effective contact with large, heavy trunks throughout the feeding process.
2Ease of operation
If feed rollers with simple gripping elements are used, then the device complexity is low, but the ability to grab and pull brush and tree materials effectively is insufficient
Solution Approach 1:
The gripping elements on each feed roller are designed with asymmetrical tooth patterns and claw configurations that are optimized for different stages of the feeding process. Upper and lower feed rollers have complementary asymmetrical designs that work together to effectively grab and pull materials into the chipper while managing the increased structural 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
Enables continuous and effective grabbing and pulling of large tree trunks into the chipper, enhancing the chipping process by ensuring consistent material flow and improving the chipper's performance.
Implementation Method 1
a feed system comprising upper and lower rotating feed rollers with asymmetrical teeth and claws that engage and pull materials into the chipper
Data Source
AI summary
A feed system that is configured to more effectively grab and pull brush and tree materials into a chipper is provided. The system of the present disclosure is configured such that a large, heavy tree trunk can be continuously pulled into the chipper. The system includes two feed rollers one above the other in an offset arrangement.