Excavating Equipment Adjustment Frame Rotational Disengagement

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Solution Overview

Problem

Existing equipment for excavating solid surfaces, such as concrete or asphalt, faces limitations in adjusting working depth and maintaining stability due to restricted rotational disengagement angles and increased manufacturing costs, which can lead to inaccurate positioning and reduced structural stability.

Innovation Solution

The equipment features a main supporting frame with a rotatable adjustment frame that includes guiding slots and an engagement pin, allowing for translation and rotation of the adjustment frame relative to the main frame, enabling wider angular disengagement and precise depth adjustment without compromising structural integrity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the main supporting frame and adjustment frame are rotationally disengaged within a limited angular sector (at most 30°), then the equipment can compensate for incorrect positioning to some extent, but it cannot fully compensate for improper positioning greater than 30° caused by rough or irregular surfaces

Engineering Contradiction:

Improvecompensation capability for incorrect positioningVSAvoidpositioning accuracy on rough surfaces

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The adjustment frame is made dynamically rotatable relative to the main supporting frame through a rotational joint, allowing the angular sector for rotational disengagement to be significantly widened. This dynamic capability enables the adjustment frame to adapt to larger angular deviations caused by rough or irregular surfaces, fully compensating for improper positioning that would exceed the limited 30° static sector.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If complex solutions are adopted for rotationally disengaging the main frame and adjustment frame, then the rotational disengagement function can be achieved, but the manufacturing time and production costs increase

Engineering Contradiction:

Improverotational disengagement capabilityVSAvoidmanufacturing complexity and cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent employs a simple, cost-effective rotational joint mechanism instead of complex disengagement solutions. This straightforward mechanical connection provides the necessary rotational disengagement capability while significantly reducing manufacturing complexity, production time, and costs compared to elaborate alternative solutions.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Adaptability or versatility

If complex solutions are used for rotationally disengaging the frames, then the disengagement function is achieved, but the manufacturing time for the entire equipment increases

Engineering Contradiction:

Improverotational disengagement functionVSAvoidmanufacturing time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The simple rotational joint mechanism requires less manufacturing time and assembly effort compared to complex disengagement solutions. This straightforward design reduces the overall manufacturing time for the equipment while fully achieving the rotational disengagement function needed for adapting to rough surfaces.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

4Adaptability or versatility

If the rotational disengagement solution weakens the reciprocal constraint between main frame and adjustment frame, then the rotational freedom is improved, but the structural stability and precision of reciprocal positioning are reduced

Engineering Contradiction:

Improverotational freedomVSAvoidstructural stability and positioning precision

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The rotational joint provides dynamic rotational freedom while maintaining adequate structural constraint during operation. The joint allows the adjustment frame to rotate for adapting to rough surfaces but maintains sufficient constraint to prevent excessive play, thereby balancing rotational adaptability with structural stability and positioning precision.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentEP3350373B1Excavating equipment for excavating surfaces

Publication Date: 2021.09.15 SIMEX ENGINEERING SRL

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AI summary

Equipment (10) for excavating solid surfaces S, such as made of asphalt or concrete or similar solid materials, for example, in particular for digging trenches in said solid surfaces, said equipment (10) comprising working or digging means (16) rotationally fixed to a main frame (11), and an adjustment frame (30) defining at least one substantially flat contact portion (33) adapted to be placed in contact with a corresponding portion of the surface S to be worked, where the position of said adjustment frame (30) with respect to said main supporting frame (11) may be adjusted so as to adjust the working depth K of said working means (16); and where said adjustment frame (30) is rotationally disengaged from said main supporting frame (11) so that the adjustment frame always perfectly rests on the surface to be worked S irrespective of the particular working conditions.