Skid Steer Grapple with Cab Guard for Debris Protection
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Solution Overview
Problem
Current skid-steer loader attachments lack the ability to protect operators from debris while removing deeply rooted trees, shrubs, and posts, requiring multiple operators or large machinery, and are not suitable for tight spaces or quick, efficient operations.
Innovation Solution
A multi-purpose attachment for skid-steer loaders featuring a frame with pivotally mounted and angled jaw members, a hydraulic actuator assembly, and a grapple accessory with a protective shield, allowing single-operator control and debris protection during object manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a traditional grapple attachment is used for removing trees and shrubs, then the operator can manipulate objects, but the operator is exposed to loose debris and must step out of the cab
Solution Approach 1:
A cab guard is introduced as an intermediary protective barrier between the operator and the debris-generating attachment operations. The cab guard extends forward from the cab to shield the operator while allowing continued operation of the grapple attachment without requiring the operator to exit the cab.
2Strength
If large bulldozers or backhoes are used for removing deeply rooted trees and shrubs, then the removal capability is sufficient, but the machinery is expensive and requires wide open spaces
Solution Approach 1:
The grapple attachment is designed to perform multiple functions including grasping, lifting, and pulling of various objects such as trees, shrubs, posts, and other bulky materials. This multi-functional design allows a single operator to accomplish tasks previously requiring large specialized machinery, adapting to both open spaces and tighter areas where the skid-steer loader can maneuver.
3Reliability
If the operator steps out of the cab to attach logging chains, then the attachment can be secured, but time is lost and additional personnel are required
Solution Approach 1:
The system is designed to be self-sufficient with the single operator performing all operations from within the cab. The grapple attachment itself provides the grasping and securing function without requiring external assistance, and the cab guard enables the operator to monitor and control the attachment process safely from inside the cab, eliminating the need to step out or call for help.
4Ease of operation
If conventional grapples are used, then object manipulation is possible, but operator protection from debris is not provided
Solution Approach 1:
The cab guard serves as a protective intermediary structure that allows the operator to maintain full control of the grapple attachment while being shielded from debris. The guard is positioned to protect the operator without interfering with the attachment's ability to grasp and manipulate objects effectively.
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 safe removal of large objects, including trees and shrubs, without the operator leaving the cab, enhancing maneuverability and reducing the need for additional personnel or equipment.
Implementation Method 1
at least one jaw actuator assembly configured to move the pivotal jaw member from a closed position to an open position
Data Source
AI summary
The present invention relates in general to grasping accessories for utility tractors, particularly, for hydraulically-operated front end loader attachments for skid loaders. The purpose of the invention is to provide a multi-purpose accessory that protects an operator from loose debris while allowing the operator to remain in the tractor cab while grasping, pulling, and/or lifting bulky objects that would normally require the operator to step away from the cab or request the assistance of one or more persons. Such objects may include planted trees, bushes, or posts that require removal from the soil and transportation for disposal.