Gantry Crane Power Acquisition Retractable Slide Line

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Solution Overview

Problem

Current power acquisition equipment for rubber-tired gantry cranes is complex, inefficient, unstable, unsafe, expensive, noisy, polluting, and occupies large space, lacking in simplicity, efficiency, and retraction capabilities.

Innovation Solution

The equipment features a power supplying portion with a slide line system supported by posts and brackets, a power acquisition portion with a driving and adjusting mechanism, and a control system using laser range sensors and photoelectric detecting plates, enabling automatic operation, stability, and retraction without the need for operators, while ensuring safety and cost-effectiveness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional power acquisition equipment is used, then power can be supplied to the gantry crane, but the operation becomes complex and inefficient requiring operators

Engineering Contradiction:

Improvepower acquisition efficiencyVSAvoidoperation complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The power acquisition equipment automatically acquires power from the slide line through its own movement and positioning mechanisms, eliminating the need for operators to manually connect or manage power transfer. The system serves itself by autonomously maintaining contact with the power supply.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical operation with an automated control system that uses sensors, motors, and control circuits to manage the power acquisition process, substituting human-operated mechanical systems with automated electromechanical systems.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If traditional power acquisition equipment is used, then power supply is maintained, but the equipment becomes unstable and unsafe

Engineering Contradiction:

Improvepower acquisition stabilityVSAvoidequipment structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The power acquisition equipment incorporates movable components that can dynamically adjust their position and orientation to maintain optimal contact with the slide line, allowing the system to adapt to variations in crane position and maintain stable power acquisition under different operating conditions.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The control system receives feedback from sensors that monitor the position and status of the power acquisition components, automatically adjusting the system's operation to maintain stable and safe power acquisition, and can detect abnormal conditions for corrective action.

Inventive Principle:

Principle #23Feedback

3Productivity

If traditional power acquisition equipment is used, then power can be acquired, but large space is occupied and retraction is not possible

Engineering Contradiction:

Improvespace utilizationVSAvoidstructure design

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The power acquisition equipment features retractable components that can extend when power acquisition is needed and retract when not in use, dynamically changing the equipment's spatial footprint to optimize space utilization while maintaining full functionality.

Inventive Principle:

Principle #15Dynamics

4Object-affected harmful factors

If traditional power acquisition equipment is used, then power supply is maintained, but large noises are generated and air pollution occurs

Engineering Contradiction:

Improvenoise and pollutionVSAvoidpower acquisition performance

Core Design Contradiction:

Object-affected harmful factorsVSProductivity

Solution Approach 1:

The patent replaces noisy mechanical power connection mechanisms with a cleaner electromechanical system that uses controlled motors and automated guidance, reducing mechanical friction, impact noises, and associated air pollution from traditional mechanical engagements.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

The solution provides a simple, efficient, and safe power acquisition system that reduces noise and space requirements, allows simultaneous power supply to multiple cranes, and is environmentally friendly, with automatic retraction and improved adaptability to crane deviations.

Implementation Method 1

a pair of front laser range sensors, a pair of back laser range sensors

Methodology Applied

Scientific EffectLaser time-of-flight measurement: LIDAR

Implementation Method 2

multiple photoelectric detecting plates

Methodology Applied

Scientific EffectPhotoelectric conversion: Photoelectric Effect

Data Source

PatentUS8430219B2Power acquisition equipment for a gantry crane

Publication Date: 2013.04.30 WUHAN GUIDE ELECTRIC

AI summary

A power acquisition equipment, including at least: a power supplying portion, including at least: a pair of first posts, multiple second posts, multiple upper brackets, multiple lower brackets, multiple tightening devices, a cathode slide line, and an anode slide line, a power acquisition portion, including at least: a slide plate, a driving device, an adjusting device, a first base, and a linkage mechanism, and a control portion, including at least: a pair of front laser range sensors, a pair of back laser range sensors, multiple photoelectric detecting plates, a PLC controller, and an inverter driving system. The equipment features simple operation and high efficiency, and is retractable, stable, safe, cost-effective, and environmental friendly.