Electric Fork Actuators for Refuse Vehicle Lift Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional refuse vehicles face inefficiencies in waste collection due to reliance on internal combustion engines, which contribute to environmental pollution and high operational costs, and lack advanced lifting mechanisms for efficient refuse handling.
Innovation Solution
The development of an electrified refuse vehicle equipped with a battery pack and a lift assembly featuring electric fork actuators powered by the on-vehicle electrical power source, enabling efficient waste collection and handling through enhanced lifting capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If internal combustion engines are used in refuse vehicles, then vehicles can operate with existing infrastructure, but environmental pollution increases and operational costs rise
Solution Approach 1:
The patent replaces the internal combustion engine with an electric motor powered by a battery pack. This substitution eliminates exhaust emissions and reduces operational costs by using electricity instead of expensive fossil fuels, directly addressing both the pollution and cost issues.
Solution Approach 2:
The patent changes the energy source parameter from chemical energy (fuel) to electrical energy (battery). This parameter change fundamentally alters the vehicle's operation, reducing environmental impact and operational costs while maintaining mobility capability.
2Productivity
If conventional lifting mechanisms are used, then vehicle structure remains simple, but waste collection efficiency is reduced
Solution Approach 1:
The patent replaces conventional hydraulic or mechanical lifting mechanisms with an electric actuator system. This substitution provides more precise control and higher efficiency in waste container manipulation, improving productivity while the modular electric system keeps overall complexity manageable.
Solution Approach 2:
The electric actuator system serves multiple functions: lifting waste containers, positioning forks, and coordinating with the electric power source. This multi-functionality improves waste collection efficiency without requiring separate complex systems for each operation.
3Measurement precision
If electric fork actuators are added to the lift assembly, then lifting precision and power increase, but device complexity increases
Solution Approach 1:
The patent uses electric actuators with feedback control systems to achieve precise fork positioning and lifting. The electric system provides controlled motion with higher precision compared to mechanical systems, while the modular design keeps the added complexity manageable through standardized components.
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 electrified refuse vehicle reduces environmental impact, lowers operational costs, and enhances waste collection efficiency with the use of electric fork actuators that facilitate precise and powerful lifting operations.
Implementation Method 1
an on-vehicle electrical power source, enabling efficient waste collection and handling through enhanced lifting capabilities
Data Source
AI summary
An electrified refuse vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, an on-vehicle electrical power source, and a lift assembly coupled to the body and extending in front of the cab. The lift assembly includes a first lift arm, a second lift arm, and one or more electric lift actuators powered by the on-vehicle electrical power source. The one or more electric lift actuators positioned to pivot the first lift arm and the second lift arm.