Universal Implement Interface With Sensor-Based Lift Control
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Solution Overview
Problem
Existing lift devices lack a standardized interface that allows for easy interchangeability and efficient communication of power, data, and fluid between different implement assemblies, limiting their versatility and requiring extensive customization for specific tasks.
Innovation Solution
A lift device with a universal implement interface that removably couples to various implement assemblies, facilitating data, electrical energy, and fluid transfer, and includes sensors to detect and control the implement's presence and type, allowing for seamless integration and operation of multiple tasks without extensive customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standardized implement interface is implemented, then adaptability and versatility are improved, but device complexity increases due to the need for multiple sensors and control systems
Solution Approach 1:
The implement interface is designed as a universal standardized connection system that can accommodate multiple types of implements (forks, buckets, attachments) through a single interface design. The interface includes standardized mechanical coupling elements, alignment features, and connection points that work across different implement types, eliminating the need for multiple specialized interfaces and enabling one lift device to perform multiple tasks.
Solution Approach 2:
The implement interface incorporates self-identifying features such as sensors that automatically detect when an implement is attached and its specific type. The system self-configures by reading implement identification (e.g., RFID tags, barcodes, or electronic identifiers) and automatically adjusts operational parameters, eliminating the need for manual configuration and reducing the burden on the operator while maintaining versatility.
2Ease of operation
If implement sensors and control systems are added, then ease of operation is improved, but manufacturing complexity increases
Solution Approach 1:
The system replaces manual implement identification and configuration with automated sensing and electronic control. Sensors (optical, RFID, capacitive) automatically detect implement presence and type, while a microcontroller processes this information and adjusts operational parameters electronically, eliminating the need for manual switches, mechanical selectors, or operator intervention.
Solution Approach 2:
The implement interface uses non-contact sensing methods (such as optical sensors or RFID readers) to detect and identify implements without physical contact. This allows the system to read implement identification data and configure itself based on digital copies or representations of the implement's characteristics, rather than requiring physical measurement or manual input for each implement type.
3Adaptability or versatility
If a universal interface is designed to accommodate multiple implement types, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The implement interface incorporates pre-configured alignment features such as guide pins, tapered surfaces, or keyed mechanisms that automatically align the implement with the lift device during the coupling process. These alignment features are built into the interface design beforehand, ensuring that implements of various types can be quickly and accurately positioned without requiring high-precision manual adjustment or complex positioning systems.
Solution Approach 2:
The universal interface is divided into distinct functional segments: a standardized mechanical coupling portion for structural connection, separate alignment features for positional accuracy, and independent sensing elements for implement identification. This segmentation allows each component to be manufactured and tested independently with standard tolerances, while the assembled interface achieves the required overall precision through the coordinated function of its parts.
Data Source
AI summary
A lift device includes a chassis, an implement interface configured to be removably coupled to an implement, and a lift assembly coupled to the chassis and the implement interface. The lift assembly is configured to raise the implement interface relative to the chassis. The lift device includes an implement sensor coupled to the implement interface and configured to detect whether the implement is coupled to the implement interface. The lift device includes a controller operatively coupled to the lift assembly and the implement sensor. The controller is configured to adjust operation of the lift device in response to the implement sensor detecting that the implement is coupled to the implement interface.