Grubbing Apparatus Pincher and Scoop for Skid Loader
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Solution Overview
Problem
Conventional grubbing attachments for skid loaders exert excessive force on the machine and its articulating arm when removing trees, making them difficult to use effectively.
Innovation Solution
A grubbing apparatus with a frame attachable to a skid loader, featuring a pincher to grasp trees or bushes and a scoop to cut roots below ground, reducing the stress on the articulating arm by transferring digging forces into the ground.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional scoop and root cutting attachments are directly connected to the articulating arm of a skid loader, then the attachment can remove trees and bushes, but it exerts an undesirably large amount of force on the skid loader and its articulating arm
Solution Approach 1:
The grubbing attachment is divided into separate functional components: a frame assembly that attaches to the skid loader, a pincher assembly for grasping the tree trunk, and a scoop assembly for cutting roots. This segmentation allows each component to perform its specific function independently, distributing the mechanical loads across different parts of the attachment and the vehicle, thereby reducing the concentrated force on the articulating arm while maintaining effective tree removal capability.
2Productivity
If conventional grubbing attachments are used, then trees can be removed, but the apparatus is difficult to use effectively
Solution Approach 1:
The frame assembly serves multiple functions: it provides structural support, attaches to the skid loader's hydraulic system, supports both the pincher and scoop assemblies, and transfers forces to the ground. This multi-functionality consolidates several operations into a single integrated attachment, making it easier to operate while maintaining effective tree removal capability.
Solution Approach 2:
The frame acts as an intermediary between the skid loader and the tree removal operations. It mediates the force transmission from the hydraulic system to the pincher and scoop assemblies, and provides a stable mounting structure that simplifies operation while reducing direct stress on the articulating arm.
Data Source
AI summary
An apparatus for removing trees and bushes from the ground includes a frame configured for attachment to a vehicle. A first device is attached to the frame and configured to grasp a tree or a bush. A second device is attached to the frame and configured to cut, below ground, roots of the tree or bush grasped by the first device.