Grappler With Selective Cutting Device For Bale Handling
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Solution Overview
Problem
Conventional utility implements for handling bales often require additional steps and tools to remove wrapping materials, which are costly and time-intensive, and using bale slicers can lead to bales disintegrating during transport.
Innovation Solution
A grappler with a selectively movable cutting device that engages and cuts the wrapping material only when necessary, allowing for stable transport of bales without slicing through them, equipped with a support arm and pivot motor for precise control, enabling the cutting device to move along prongs for efficient cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a bale slicer is used to remove wrapping material, then the wrapping material can be removed, but the bale may come apart at an inappropriate time and location
Solution Approach 1:
The cutting device is designed to be movable relative to the bale, allowing it to be positioned in different states: engaged with the bale for cutting, or disengaged for stable transport. This dynamic positioning resolves the contradiction by enabling wrapping removal when needed while maintaining bale integrity during transport.
Solution Approach 2:
The utility implement is divided into separate functional components: the grappler for securing the bale and the selectively movable cutting device for removing wrapping material. This segmentation allows each component to perform its specific function independently, enabling reliable bale handling with optional wrapping removal without compromising bale integrity.
2Ease of manufacture
If additional tools or operating steps are used to remove wrapping material, then wrapping material can be removed, but operational cost and time increase
Solution Approach 1:
The cutting device is integrated into the utility implement itself, merging the wrapping removal function with the existing bale handling capability. This eliminates the need for separate tools or additional operating steps, thereby maintaining operational efficiency while providing wrapping removal capability.
Solution Approach 2:
The utility implement is designed with multi-functionality: it can handle and transport bales using the grappler, and selectively remove wrapping material using the movable cutting device. This universal design allows a single implement to perform multiple functions, improving productivity by eliminating the need for additional specialized tools.
3Ease of manufacture
If the cutting device is always engaged with the bale, then wrapping material can be cut, but the bale cannot be transported stably without losing its shape
Solution Approach 1:
The cutting device is designed to be movable relative to the bale, allowing it to be positioned in different states: engaged with the bale for cutting, or disengaged for stable transport. This dynamic positioning resolves the contradiction by enabling wrapping removal when needed while maintaining bale integrity during transport.
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 the secure handling and transport of bales without disintegration, reducing operational costs and time by allowing selective cutting of wrapping materials, maintaining the bale's shape during transport.
Implementation Method 1
a cutter support arm (59), which is movable relative to the support arm (42) by means of a hydraulic piston (82b)
Implementation Method 2
The pivot motor can be intended to be actuated manually or automatically and is supplied with a hydraulic medium or pressurized by a hydraulic pressure source in the form of a pump provided on a utility vehicle
Data Source
AI summary
A grappler for a utility implement for handling bales includes a pivot frame, at least one support arm coupled to the pivot frame, and a selectively movable cutting device. The grappler forms part of a utility implement along with a bucket such that the grappler is movable with respect to the bucket.