Curb Forming Machine Frame Attitude Control
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Solution Overview
Problem
Existing concrete curb forming machines lack an efficient mechanism to maintain a stable frame attitude during operation, leading to inconsistencies in curb shape and path tracking, and often require manual adjustment and support.
Innovation Solution
A motorized tracked excavator supports a frame with a vertically extended hollow hopper and a curb shaping portion, featuring a liftable interface and adjustable arms to maintain frame attitude and a guide arrangement for precise path tracking, allowing continuous formation of elongated concrete curbs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a motorized tracked excavator with a liftable interface is used to support the frame, then the frame attitude stability and path tracking precision are improved, but the device complexity increases
Solution Approach 1:
The interface structure incorporates liftable and adjustable arms that can dynamically change position and orientation to maintain optimal frame attitude during operation. The hydraulic or mechanical lifting mechanism allows the interface to adapt to varying ground conditions and curb formation requirements, transforming a static support structure into a dynamic one that actively maintains precision.
Solution Approach 2:
The interface acts as an intermediary between the motorized tracked excavator and the frame, providing a specialized connection point that decouples the complexities of the excavator from the frame. This intermediary structure with its liftable and adjustable components absorbs the complexity while presenting a stable, controlled interface to the frame, thereby improving precision without permanently increasing overall system complexity.
2Productivity
If manual adjustment and support are required for frame attitude, then the device complexity is reduced, but the productivity and operational efficiency decrease
Solution Approach 1:
The interface structure incorporates self-adjusting capabilities through its liftable and adjustable arms, allowing the system to automatically maintain proper frame attitude without continuous manual intervention. The structure can self-correct for minor deviations and maintain optimal positioning throughout the curb formation process, enabling continuous operation and improving productivity while the automated adjustments minimize the need for manual support.
3Manufacturing precision
If the frame attitude is not properly maintained, then the device complexity is reduced, but the curb shape consistency and path tracking precision deteriorate
Solution Approach 1:
The interface structure applies local quality by providing specialized support and adjustment capabilities at the critical interface point between the excavator and frame, rather than requiring complex mechanisms throughout the entire system. The liftable and adjustable arms are concentrated at the specific location where attitude maintenance is most needed, providing precise local control that ensures curb shape consistency without unnecessarily complicating the entire device.
Data Source
AI summary
A method and apparatus for laying a curb is disclosed. The apparatus features a preferably tracked vehicle (tractor) that connects to a frame having a hopper. A hydraulic lifting arrangement enables hydraulic controls on the vehicle to elevate/lower the frame. The frame has a hopper for receiving wet concrete and a curb shaping portion that shapes the wet concrete into a curb shape. A specially configured interface maintains attitude of the frame during use.