Delivery Vehicle Package Housing With Gravity-Fed Transfer
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Solution Overview
Problem
Existing delivery vehicle systems require costly conveyors with motive force and lack efficiency in package loading and unloading processes.
Innovation Solution
A delivery vehicle design featuring a housing unit with inclined shelves and a transfer unit that allows packages to be moved without a conveyor requiring motive force, enabling cost reduction and improved operating efficiency by separating loading and unloading pathways and incorporating additional conveyance options such as roof openings for drone delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conveyor requiring motive force is used to move packages across the package loading area, then packages can be transported, but costs increase
Solution Approach 1:
The housing unit is configured with an inclined structure where the one end is positioned higher than the other end in the vehicle vertical direction. This creates a gravitational potential difference that enables packages to move automatically from the higher end (near first opening) to the lower end (near transfer unit) without requiring motive force, thereby eliminating the need for costly conveyor systems while maintaining effective package transport functionality
Solution Approach 2:
The inclined housing unit enables packages to self-move under their own weight from the loading area to the transfer unit without external power assistance. Workers simply place packages on the higher end, and gravity automatically transports them to the transfer point, eliminating the need for motorized conveyors and reducing both cost and system complexity
2Productivity
If a conveyor is installed across the entirety of the package loading area, then packages can be passed to the robot arm, but operating efficiency decreases
Solution Approach 1:
The package transport function is segmented into two distinct pathways: (1) loading pathway through the first opening at the rear end section, and (2) unloading pathway through the second opening at the side section or roof section. The inclined housing unit creates a localized gravity-fed transfer zone that connects these pathways without requiring a conveyor spanning the entire vehicle interior, thereby improving operating efficiency by enabling simultaneous or sequential loading and unloading operations
Solution Approach 2:
The housing unit utilizes the vehicle vertical direction to create an inclined plane, transforming the package transport from a horizontal conveyor-based system to a vertical-gravity-based system. By positioning the one end higher than the other end in the vehicle vertical direction, packages naturally flow downward along the incline to the transfer unit, eliminating the need for horizontal conveyor installation across the entire loading area
3Productivity
If loading and unloading pathways are separated, then operating efficiency improves, but vehicle structure becomes more complex
Solution Approach 1:
The inclined housing unit serves multiple functions simultaneously: it acts as the package accommodation structure, provides the gravity-fed transport mechanism, and creates the transition zone between loading and unloading pathways. The first opening and second opening both interface with the same housing unit structure, allowing the vehicle to handle both loading and unloading operations through a unified structural design rather than requiring separate complex pathways
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 reduces costs and enhances worker efficiency by eliminating the need for motive-powered conveyors and provides multiple pathways for package transfer, including roof-based delivery options, thereby improving overall operating efficiency.
Implementation Method 1
the housing unit is inclined in a vehicle downward direction from the one end toward the other end
Data Source
AI summary
A delivery vehicle includes a vehicle body, a first opening that is provided at the vehicle body and that places a cabin interior and a cabin exterior in communication with each other, a second opening that is provided at the vehicle body at a different position from the first opening, and that places the cabin interior and the cabin exterior in communication with each other, a housing unit that is configured to accommodate a package in the cabin interior, that has one end disposed at a side corresponding to the first opening, and that has another end positioned further toward a vehicle lower side than the one end such that the housing unit is inclined in a vehicle downward direction from the one end toward the other end, and a transfer unit configured to transfer the package between the housing unit and the second opening.