Adjustable Tool Mounting Mechanism for Loading Machine Edge Access

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Solution Overview

Problem

Loading machines equipped with tools like sweepers often struggle to reach edges adjacent to walls or protrusions due to their fixed width, leading to either unreachable spaces or damage to the machine or the surrounding structure when attempting to maneuver close to these areas.

Innovation Solution

A device allowing the tool to be positioned differently relative to the loading machine's longitudinal axis, using a pair of blades with adjustable housings and a transverse movement mechanism, enabling the tool to be centered or shifted, thus avoiding collisions with walls or protrusions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the tool width is equal to the machine width, then the tool is securely mounted on the machine, but the tool cannot reach edges adjacent to walls or protrusions without the machine hitting them

Engineering Contradiction:
Improvetool position adjustmentVSAvoidmounting system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mounting system transitions from a fixed rigid connection to a dynamic adjustable connection. The rod can be moved along the guides to different positions, allowing the tool to be positioned either centered or offset relative to the machine, enabling adaptation to different working conditions without changing the overall system structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting system is divided into separable components: blades, housings, abutments, rod, and guides. This segmentation allows independent adjustment of the tool position by moving the rod along the guides while keeping other components in place, resolving the contradiction between adaptability and complexity.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the machine is moved close to walls or protrusions to enable tool access, then the tool can reach the surface, but the machine or protrusion may be damaged

Engineering Contradiction:
Improvetool accessibilityVSAvoidcollision risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The tool can be dynamically repositioned relative to the machine by adjusting the rod position. When working near walls or protrusions, the rod is moved to offset the tool position, allowing the tool to reach adjacent surfaces while the machine body maintains a safe distance, eliminating collision risk.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the housing size is increased to accommodate blade movement, then the blade can be positioned in different locations, but the housing becomes larger and more complex

Engineering Contradiction:
Improveblade positioning optionsVSAvoidhousing volume
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The positioning function is separated from the housing by introducing movable abutments on a rod that can be adjusted along the guides. The housing maintains its original compact size while the abutments provide the necessary travel range to position the blade in different locations, avoiding housing enlargement.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3792406B1Movable device for joining a tool to a loading machine
Publication Date: 2023.01.25 NECEMATT
  • EP3792406B1 patent drawingFigure 1
  • EP3792406B1 patent drawingFigure 2~3
  • EP3792406B1 patent drawingFigure 4~5

AI summary

The invention relates to a movable device for joining a tool to a loading machine, said machine being provided with a set of blades for coupling said tool and with extendable and retractable securing bolts, and the rear portion of the tool being provided with respective housings for securing the blades, and with respective grooves arranged in respective projections for securing the bolts, wherein the housings are longer than the width of the blades, and it comprises a set of abutments movable along the housings between at least two positions that determine various positions for securing the blades of the loading machine; by means of which the length of the housings adapts to the width of the blades; and wherein the projections have a series of grooves corresponding to each of the positions for securing the blades in the housings as a function of the position of the abutments.