Dual-Side Lift Chassis Assembly for Fast Urban Delivery Loading
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Solution Overview
Problem
Conventional chassis assemblies for delivery vehicles are inefficient for loading and unloading goods, particularly in space-constrained environments like city distribution, as they require external tools and consume excessive time and space.
Innovation Solution
A chassis assembly with a vehicle chassis, dual supporting parts on either side, and a lifting device that allows vertical displacement of load units between loading/unloading and driving positions, eliminating the need for external tools and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional chassis assemblies are used for loading and unloading goods, then the vehicle structure is simple, but the loading and unloading process is time-consuming and requires external tools
Solution Approach 1:
The lifting device is integrated directly into the chassis assembly, merging the lifting function with the vehicle structure. This eliminates the need for external lifting tools while improving loading and unloading efficiency, directly resolving the contradiction between productivity improvement and device complexity.
Solution Approach 2:
The chassis assembly performs its own lifting operation through the integrated lifting device, enabling self-service loading and unloading without external equipment. This resolves the contradiction by making the system self-sufficient while maintaining structural integration.
2Ease of operation
If external tools like forklifts are used for loading and unloading, then the lifting capability is sufficient, but the space consumption increases and the process becomes dangerous
Solution Approach 1:
The lifting function is extracted from external tools and integrated directly into the chassis assembly. This eliminates the need for external equipment that consumes additional space, while maintaining adequate lifting capability through the integrated system.
3Productivity
If the supporting parts are kept at ground level for loading/unloading, then the loading efficiency is high, but the ground clearance is reduced for navigating obstacles
Solution Approach 1:
The supporting parts are designed to be dynamically adjustable in height. During loading and unloading operations, they can be positioned at ground level for high efficiency, while during transport, they can be raised to maintain adequate ground clearance for navigating obstacles. This dynamic adjustment capability resolves the contradiction between loading speed and ground clearance.
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
Enables quick and efficient loading/unloading of goods on both sides of the vehicle without external tools, maintaining ground clearance for navigating obstacles, and reducing space consumption.
Implementation Method 1
a lifting device secured to the vehicle chassis and configured to lift up and down the first and second supporting parts with respect to the vehicle chassis
Data Source
AI summary
The chassis assembly (3) includes a vehicle chassis (4) extending along a longitudinal direction (D1); a first supporting part (6) configured to support a first load unit (7.1) on a first longitudinal side (4.1) of the vehicle chassis (4); a second supporting part (8) configured to support a second load unit (7.2) on a second longitudinal side (4.2) of the vehicle chassis (4) opposite to the first longitudinal side (4.1); and a lifting device (5) secured to the vehicle chassis (4) and configured to lift up and down the first and second supporting parts (6, 8) with respect to the vehicle chassis (4) so as to vertically displace each of first and second load units (7.1, 7.2) supported by the first and second supporting parts (6, 8) between a loading/unloading position and a driving position.