Segmented Waste Collection Vehicle Body and Sealed Channels
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Solution Overview
Problem
Conventional electric waste collection vehicles face inefficiencies due to limited range, high energy consumption, and cross-contamination of waste streams, as well as significant wear on components.
Innovation Solution
A waste collection vehicle design featuring independent right and left side bodies that can be raised and lowered separately, with sealed channels to prevent cross-contamination, and independent packer ram assemblies to manage waste streams efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional waste collection vehicle raises its entire body portion to empty compartments, then waste material can be discharged, but peak energy consumption occurs during this operation
Solution Approach 1:
The vehicle body is divided into multiple independently raiseable segments (first body segment and second body segment). Each segment can be raised and lowered independently to empty waste from its respective compartment, eliminating the need to raise the entire body. This segmentation reduces the energy required for each lifting operation and allows waste discharge without the peak energy consumption associated with raising the complete body structure.
2Device complexity
If a single packer ram is used to push material through both compartments simultaneously, then the structure is simpler, but cross-contamination occurs between different waste streams
Solution Approach 1:
The single packer ram is divided into multiple independent packer rams (first packer ram and second packer ram), with each ram dedicated to a specific compartment or waste stream channel. This segmentation ensures that different waste streams are processed by separate rams, preventing cross-contamination while maintaining manageable structural complexity through modular design.
Solution Approach 2:
Sealed channels are introduced as intermediary structures between different waste stream channels. These sealed channels act as barriers that prevent direct contact and cross-contamination between different waste streams while still allowing the packer rams to effectively push and compress their respective waste materials.
3Ease of manufacture
If the same packer ram pushes material through both compartments, then manufacturing is simpler, but significant wear occurs on the guide assembly and guide shoes
Solution Approach 1:
The single packer ram is segmented into multiple independent packer rams, each handling a specific compartment. This distribution of workload prevents any single ram and its associated guide shoes from experiencing excessive wear, thereby extending the lifespan of these components while maintaining manufacturing simplicity through modular, replaceable units.
4Reliability
If conventional electric waste collection vehicles are used, then waste collection can be performed, but the range is insufficient and recharging is required during the route
Solution Approach 1:
The vehicle employs periodic waste discharge operations where body segments are raised only when needed to empty compartments, rather than continuously operating systems. This periodic action reduces overall energy consumption, extending the operational range of electric vehicles without requiring recharging during collection routes.
Solution Approach 2:
By segmenting the body into independently raiseable sections, the vehicle optimizes energy usage by raising only the necessary segments for waste discharge rather than the entire body. This reduces peak energy consumption and overall energy usage, thereby extending the operational range of electric waste collection vehicles.
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
This design enhances energy efficiency by reducing peak energy consumption during emptying, prevents cross-contamination of waste streams, and extends the operational range of electric vehicles, making them more practical and efficient for waste collection.
Implementation Method 1
The right side and left side waste stream channels are sealed from each other to prevent cross-contamination of the right side and left side waste material
Implementation Method 2
the refuse and recyclable material, under the influence of gravity, is directed into the two respective channels
Data Source
AI summary
A waste collection vehicle for collection of right side and left side waste streams that respectively include right side and left side waste materials. The waste collection vehicle includes right and left side bodies, movable between respective raised and lowered positions. The right and left side bodies define respective right side and left side body compartments. The waste collection vehicle includes a hopper defining right and left hopper compartments. The right hopper compartment and the right side body compartment define a right side waste stream channel and the left hopper compartment and the left side body compartment define a left side waste stream channel. The right side and left side waste stream channels are sealed from each other, preventing cross-contamination of the right side and the left side waste material.