Portable Vehicle Lifting Structure With Extendable Stable Support
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Solution Overview
Problem
Conventional lifting machines for automobile maintenance are bulky, occupy large space, and lack portability, making them unsuitable for mobile maintenance, on-the-spot service, and road rescue applications.
Innovation Solution
A compact lifting machine design featuring a base and carrying platform with a lifting mechanism and power mechanism, utilizing rotating shafts, connecting rods, and an oil cylinder for stable and portable lifting, along with an extension assembly for versatility in lifting various vehicle lengths, and a locking mechanism for secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional column type or scissor-type lifting machines are used, then lifting function is achieved, but volume is large and portability is poor
Solution Approach 1:
The lifting machine is divided into separable components including a base assembly, a lifting mechanism assembly, and a control assembly. These modules can be disassembled and transported separately, then quickly reassembled at the service location, thereby improving portability while maintaining the complete lifting function.
Solution Approach 2:
The lifting mechanism employs a dynamic scissor-like structure with rotating connections that allows the device to transition between a compact folded state for transport and an extended operational state for lifting. This dynamic transformation capability enables the machine to adapt its volume according to usage requirements, improving both portability and functionality.
2Reliability
If conventional lifting machines are designed for stability, then lifting reliability is improved, but device complexity increases
Solution Approach 1:
The base assembly features an asymmetric design with a front base supporting rod and a rear base supporting rod of different lengths. This asymmetric configuration provides inherent structural stability during lifting operations while keeping the overall design simple and avoiding unnecessary complex stabilization mechanisms.
Solution Approach 2:
The lifting mechanism includes pre-positioned support points and a locking mechanism that engages at predetermined positions during the lifting process. This preliminary preparation of structural elements ensures stability is achieved automatically through the design itself, rather than requiring complex active control systems or additional stabilization 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 solution provides a lightweight, compact, and highly portable lifting machine that can be easily carried and used for mobile maintenance, suitable for various vehicle lengths, ensuring stable and secure lifting and supporting capabilities.
Implementation Method 1
Its operating principle is to propel a piston rod of an oil cylinder through a hydraulic oil cylinder arranged on the lifting machine
Implementation Method 2
The left end of the front base supporting rod and the left end of the rear base supporting rod are connected through a first rotating shaft, and the first rotating shaft is rotatably connected to the left end of the front base supporting rod and the left end of the rear base supporting rod
Data Source
AI summary
A lifting machine comprising a base and a carrying platform, wherein a lifting mechanism for lifting the carrying platform and a power mechanism for supplying power to the lifting mechanism are arranged between the carrying platform and the base. The lifting machine of the present disclosure has simple structure, small volume and good portability, which may satisfy various needs of mobile use such as mobile maintenance, on-the-spot service and road rescue.