Hydraulic Slab Cutter Lateral Offset Mechanism
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Solution Overview
Problem
Cutting paved surfaces such as concrete, asphalt, and stonework is challenging due to their hardness and the need for precise cutting to control cracking and facilitate repairs, road maintenance, and utility access, where existing methods lack efficiency and precision.
Innovation Solution
A hydraulically controlled cutting implement attached to a skid-steer loader with a boom and trolley system, allowing for lateral movement of a cutting element, and a hydraulic control system for precise control of cutting depth and speed, enabling efficient and uniform cuts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual cutting methods are used on paved surfaces, then the equipment is simple and easy to operate, but the cutting precision and efficiency are insufficient
Solution Approach 1:
The patent employs a hydraulic control system to operate the cutting implement. The hydraulic system provides precise control of the cutting blade depth, lateral movement, and cutting speed through fluid pressure manipulation. This allows for accurate cutting precision while maintaining relatively simple operational controls, resolving the contradiction between precision and complexity.
2Manufacturing precision
If fixed cutting depth is used, then the equipment structure is simple, but the cutting uniformity and adaptability to different surface conditions are poor
Solution Approach 1:
The patent implements a dynamic cutting system where the cutting blade depth and lateral position can be adjusted during operation through hydraulic controls. The system allows variable cutting depth and speed adjustments to adapt to different pavement conditions and repair requirements. This dynamic adjustability ensures uniform cutting quality while providing the flexibility needed for various surface conditions, resolving the contradiction between cutting uniformity and control system complexity.
3Manufacturing precision
If slow cutting speed is used, then the cutting quality is better, but the productivity and operational efficiency are reduced
Solution Approach 1:
The hydraulic control system enables periodic adjustment of cutting parameters including speed and depth during the cutting operation. The system can vary cutting speed dynamically - operating at slower speeds when precision is critical and accelerating when appropriate to maintain quality while improving overall productivity. This periodic adjustment of cutting parameters resolves the contradiction between cutting quality and operational efficiency.
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
The solution enables precise and efficient cutting of paved surfaces, controlling cracking patterns and facilitating repairs and maintenance by allowing for uniform depth and speed adjustments, improving operational efficiency and surface integrity.
Implementation Method 1
The undercarriage is moveable under power in a lateral direction with respect to the trolley so that the cutting element is capable of being offset along a lateral direction with respect to the boom
Data Source
AI summary
A cutting implement configured to be attached to an implement carrier of a power machine. The cutting implement includes an attachment structure that is capable of engaging and being secured to the implement carrier. The cutting implement further includes a boom having a distal end and a proximal end. The proximal end is attached to the attachment structure. A trolley is selectively positionable between the proximal end and the distal end of the boom. An undercarriage is operably coupled to the trolley and has a cutting element attached to it. The undercarriage is moveable under power in a lateral direction with respect to the trolley so that the cutting element is capable of being offset along a lateral direction with respect to the boom.