Modular Slurry Wall Cutter with Releasable Middle Frame
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Solution Overview
Problem
The existing slurry wall cutters are limited by their size and stability, requiring different machines for varying working conditions, leading to increased costs due to the need for multiple specialized tools.
Innovation Solution
A modular slurry wall cutter design with a frame divided into upper, middle, and lower parts that can be releasably connected, allowing conversion between standard and compact forms, enabling adaptation to different working heights and conditions without the need for separate tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a compact slurry wall cutter with smaller height is used, then the working height restriction is improved, but the stability in the slurry trench deteriorates
Solution Approach 1:
The frame is divided into three separate parts (upper frame part, middle frame part, lower frame part) that can be connected or disconnected. This segmentation allows the cutter to be reconfigured between compact and standard heights, resolving the contradiction between height reduction and stability by enabling selective assembly based on working conditions.
2Adaptability or versatility
If different slurry wall cutters of different sizes are used for different working conditions, then the adaptability to different demands is improved, but the device complexity and cost increase
Solution Approach 1:
A single slurry wall cutter is designed to perform multiple functions by allowing the middle frame part to be connected or disconnected. This universal design enables the same device to operate in both compact configuration (for height-restricted areas) and standard configuration (for stability-critical applications), eliminating the need for multiple specialized cutters and reducing overall system complexity.
3Stability of the object's composition
If a standard slurry wall cutter with middle frame part is used, then the stability in the slurry trench is improved, but the working height restriction worsens
Solution Approach 1:
The frame structure is made dynamic by introducing a connectable middle frame part that can be attached or detached based on operational requirements. This dynamic configuration allows the cutter to transition between standard height (providing stability) and compact height (meeting working height restrictions), resolving the contradiction between stability and height adaptability.
Data Source
AI summary
The application relates to a modular slurry wall cutter for preparing a slurry trench that is connectable to a carrier machine, said slurry wall cutter having a frame and at least one cutting tool arranged at the frame to break up soil material. The frame here comprises an upper frame part, a middle frame part, and a lower frame part that are releasably connectable to one another, with the upper and lower frame parts being releasably connectable to one another both directly and via the middle frame part that can be arranged therebetween. The application further relates to a carrier machine, such as to a cable excavator, having a slurry wall cutter in accordance with the application.