Demolition Tool Frame With Integrated Rotator Components

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Solution Overview

Problem

Existing tools for crushing and cutting materials, such as concrete and iron sections, require multiple devices with interchangeable jaw sets and complex rotational mechanisms, which can be cumbersome and inefficient due to separate rotator components attached to mounting brackets.

Innovation Solution

A frame with an integrated bearing assembly and motor, allowing for rotation relative to a mounting bracket, where the rotator components are integrated into the frame, reducing weight and dimensions, and enabling easy assembly with different mounting brackets without disassembly of rotator parts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate rotator components are attached to mounting brackets, then the frame can rotate relative to the machine arm, but the device complexity increases and assembly becomes cumbersome

Engineering Contradiction:
Improverotation capabilityVSAvoidrotator components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The motor and bearing assembly are integrated directly into the frame housing, merging previously separate rotator components with the frame structure. This eliminates the need for separate mounting brackets and rotator assemblies, reducing overall device complexity while maintaining rotation capability.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If separate rotator components are used, then rotation function is achieved, but weight and dimensions increase

Engineering Contradiction:
Improverotation functionVSAvoidframe weight
Core Design Contradiction:
Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

By integrating the motor and bearing assembly into the frame housing, the patent eliminates redundant structural components such as separate mounting brackets and rotator assemblies. This merging of functions reduces the overall weight of the moving frame while preserving the essential rotation function.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If separate rotator components are attached to mounting brackets, then rotation is enabled, but assembly and disassembly become time-consuming

Engineering Contradiction:
Improverotation capabilityVSAvoidassembly time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The integration of motor and bearing assembly directly into the frame housing eliminates the need for separate mounting bracket attachments and disattachments. This streamlined design allows for faster assembly and interchangeability of jaw sets, significantly reducing the time lost during setup and configuration changes.

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If multiple devices with interchangeable jaw sets are used, then different materials can be processed, but the quantity of equipment increases

Engineering Contradiction:
Improvematerial processing capabilityVSAvoidnumber of devices
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The frame with integrated rotator components is designed as a universal platform that can accommodate different jaw sets for processing various materials including concrete, scrap iron, and other materials. This multi-functional design allows a single frame structure to perform multiple crushing and cutting operations, eliminating the need for multiple dedicated devices.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This solution simplifies the assembly process, reduces weight and dimensions, and allows for efficient rotation of the frame relative to the mounting bracket, enhancing the tool's versatility and usability in various applications like crushing, cutting, or multiprocessing.

Implementation Method 1

a motor coupled to the bearing assembly, the motor being integrated in the housing

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a bearing assembly positioned adjacent the housing

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP2990540B1Frame with integrated rotator components
Publication Date: 2018.11.21 CATERPILLAR WORK TOOLS
  • EP2990540B1 patent drawingFigure 1
  • EP2990540B1 patent drawingFigure 2
  • EP2990540B1 patent drawingFigure 3

AI summary

A frame for a demolition tool is disclosed. The frame may comprise: a housing having a machine end and a jaw end; a bearing assembly positioned adjacent the housing; a motor coupled to the bearing assembly, the motor being integrated in the housing.