Weight Relief Transport Frame for Construction Equipment

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Solution Overview

Problem

Existing transportation systems for construction equipment, such as power trowels, do not effectively distribute the operational weight during transport, potentially causing damage to the driven elements due to uneven loading and movement.

Innovation Solution

A transportation system comprising a frame with upwardly extending supports and channel members that receive and secure the equipment's chassis, distributing the operational weight and limiting movement to prevent damage, while allowing for secure loading and unloading using a lifting device interface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If construction equipment is transported without a specialized transportation system, then the equipment can be moved, but the driven element bears operational weight during transport causing potential damage

Engineering Contradiction:
Improveprotection of driven elementVSAvoidtransportation system structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The transportation system divides the support function into multiple channel members, each supporting a portion of the chassis. This segmentation distributes the operational weight across multiple points rather than concentrating it on the driven element, thereby protecting the driven element while maintaining structural feasibility

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The channel members act as intermediary structures between the chassis and the driven element. These intermediaries bear the operational weight during transport and transfer it to the transportation system framework, preventing direct loading on the driven element and thus protecting it from damage

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the transportation system uses fixed supports, then weight distribution is improved, but loading and unloading becomes difficult

Engineering Contradiction:
Improveweight distributionVSAvoidloading and unloading
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The gate associated with each channel member transforms the support structure from a static fixed configuration to a dynamic system. The gate can be moved between open and closed positions, allowing the channel member to transition between a loading/open state and a secured/closed state. This dynamic capability enables easy loading and unloading while maintaining proper weight distribution during transport

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If the channel member is always closed to limit movement, then equipment stability is improved, but loading becomes impossible

Engineering Contradiction:
Improveequipment stabilityVSAvoidloading capability
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The gate mechanism enables the channel member to dynamically switch between open and closed states. During loading operations, the gate is opened to allow equipment insertion. During transport, the gate closes to limit equipment movement and maintain stability. This dynamic state change resolves the contradiction between stability and loading capability

Inventive Principle:
Principle #15Dynamics

4Reliability

If the transportation system supports entire operational weight, then driven element protection is maximized, but structural complexity increases

Engineering Contradiction:
Improvedriven element protectionVSAvoidsupport structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The support structure is segmented into multiple channel members distributed along the transportation system. Each channel member supports a specific portion of the operational weight, collectively bearing the entire weight. This segmentation approach provides comprehensive driven element protection while keeping individual support components simple and manageable

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS8939688B2Weight relief transportation apparatus for construction equipment
Publication Date: 2015.01.27 MARRIOTT CONSTR
  • US8939688B2 patent drawing
  • US8939688B2 patent drawing
  • US8939688B2 patent drawing

AI summary

A transportation system for transporting construction equipment that rides on a driven element during ordinary operation. The transportation system relieves a portion or all of the operational weight of the construction equipment from the driven element during transportation of the construction equipment. The transportation system includes a frame, upwardly extending supports that support a chassis of the construction equipment, and a lifting device interface for loading and unloading the transportation system with respect to a vehicle or trailer for transporting the construction equipment.