Movable Scaffold Base with Outriggers for Stability

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Solution Overview

Problem

Movable scaffolding systems face safety and practicality issues due to instability and difficulty in maneuverability, making them less effective for use in various environments.

Innovation Solution

A movable scaffolding base with a frame, drive motor, wheels, control system, mounting system, and outriggers that allows for safe and controlled movement of assembled scaffolds, enhancing stability and ease of use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If motorized movement is added to scaffolds, then ease of operation is improved, but reliability deteriorates due to safety issues and instability

Engineering Contradiction:
Improveease of movementVSAvoidsafety and stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The movable scaffold is divided into separate functional modules: a base unit with motorized wheels for movement, and a scaffold unit for supporting workers and materials. This segmentation allows the movement function to be isolated and controlled separately from the working platform, improving overall safety while maintaining ease of operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A control system acts as an intermediary between the operator and the motorized movement mechanism. The controller receives signals from remote controls or switches and regulates motor operation, providing controlled and safe movement while preventing unauthorized or unsafe operation of the motorized components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If scaffolds are designed to be movable, then adaptability is improved, but stability deteriorates due to tipping and rotating risks

Engineering Contradiction:
Improverelocation capabilityVSAvoidanti-tipping stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The base unit incorporates an outrigger system that extends outward to create a wider support footprint. These outriggers act as counterbalancing elements that prevent the scaffold from tipping forward or sideways during movement and operation, providing anti-tipping stability while maintaining relocation capability.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

Solution Approach 2:

The outriggers are designed to be dynamically adjustable - they can be extended during movement to prevent tipping, and retracted when not needed. This dynamic adjustment allows the system to adapt its stability characteristics based on operational requirements, maintaining both mobility and safety.

Inventive Principle:
Principle #15Dynamics

3Reliability

If outriggers are added to prevent tipping, then reliability is improved, but device complexity increases

Engineering Contradiction:
ImprovestabilityVSAvoidstructural complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The outrigger system is merged with the base unit structure, integrating the stability function into the existing movement platform. This combination reduces the need for separate stabilizing components and simplifies the overall structure while maintaining reliability through the integrated design.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9903126B2Movable scaffold
Publication Date: 2018.02.27 ROWSOME ROBERT L
  • US9903126B2 patent drawing
  • US9903126B2 patent drawing
  • US9903126B2 patent drawing

AI summary

A movable scaffolding base for transporting an assembled scaffold along a ground surface comprising a frame, having a front, and a rear, and defining a horizontal plane when the assembled scaffold is attached thereto a drive motor, a steering actuator, a pair of rear wheels attached at the rear and driven by the drive motor to drive the frame, a pair of front wheels attached at the front which are rotated to effect steering by action of the steering actuator, a control system for controlling the drive motor and the steering actuator, a set of scaffold support posts attached to the frame that removably attach to vertical members of the assembled scaffold, and one or more outriggers, extending outwards from a first side of the frame to prevent rotation of the horizontal plane towards the side.