Tractor Counterweight with Dual Front and Rear Attachment
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Solution Overview
Problem
Existing tractor counterweights lack flexibility in attachment options and require additional resources for mounting and detaching, especially when accessing the front lip of a tractor without a front loader.
Innovation Solution
A counterweight design featuring both three-point linkage attachment means and a hook-shaped member for engagement with the tractor's lip, allowing easy mounting and detaching on either the front or rear three-point linkage, with additional flexibility in stacking and securing multiple weight blocks using parallel slots and bolts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a counterweight is designed with only three-point linkage attachment means, then it can be attached to the rear of a tractor, but it cannot be easily attached to the front lip of the tractor without a front loader
Solution Approach 1:
The counterweight is designed with dual attachment systems: three-point linkage attachment means (arm-hitching points and top-link hitching point) and hook-shaped member for front lip engagement. This allows the same counterweight to be attached to either the front or rear of the tractor using appropriate attachment methods, providing universal applicability across different mounting locations without requiring separate counterweights for each position.
2Device complexity
If a counterweight is designed as a single-piece structure, then it is simple in structure, but it cannot easily accommodate additional weight blocks or modifications
Solution Approach 1:
The counterweight system is divided into a base counterweight and separate additional weight blocks. The base counterweight contains the attachment means, while additional weight blocks can be stacked and secured using parallel slots and bolts. This segmentation allows the user to start with a simple base structure and progressively add weight blocks as needed, maintaining structural simplicity while enabling flexible weight configuration adjustments.
3Reliability
If the top-link hitching point is permanently secured to the vertical face, then the attachment is robust, but it cannot be easily removed or adjusted
Solution Approach 1:
The top-link hitching point is designed with removable securing mechanism (such as bolts or clips) that allows it to be firmly fixed to the vertical face when attached, providing robust connection during operation. When adjustment or removal is needed, the securing mechanism can be easily detached, allowing the top-link hitching point to be repositioned or removed without permanent attachment. This dynamic attachment system maintains reliability during use while enabling ease of adjustment when required.
Data Source
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AI summary
A counterweight (10) for attachment to a tractor is provided. The counterweight comprises a body (11), and first and second attachment means disposed on respective vertical faces (23, 24) of the body. The first attachment means comprises two arm-hitching points (41, 42) to engage with respective linkage arms on a tractor, and a top-link hitching point (43) to receive a top link connected to said tractor. The second attachment means has a hook-shaped member (30) for engagement with a lip on the forward end of a tractor. Recesses (48) disposed on each of the vertical faces (23, 24), each serve to receive a drawbar of an attached implement.