Four-Bar Linkage Imaging Stand for Orientation Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing imaging stands in metrology are often stationary or have limited adjustability, making it difficult and time-consuming to position instruments accurately, which is critical for precise applications requiring measurements on the order of one ten-thousandth of an inch.
Innovation Solution
A height-adjustable imaging stand with a boom arm mechanism that maintains the imaging platform's orientation consistent with respect to the horizontal plane throughout its adjustable range, featuring a unique braking system to secure the platform at desired heights, allowing for precise positioning of scanning or imaging devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a stationary stand is used to hold imaging devices, then the device position is stable, but positioning flexibility and adjustability are limited
Solution Approach 1:
The patent applies a four-bar linkage mechanism that enables dynamic height adjustment of the imaging platform while maintaining its horizontal orientation. The linkage consists of four rigid bars connected by revolute joints, allowing the platform to move vertically between multiple fixed height positions while preserving its level attitude throughout the range of motion.
Solution Approach 2:
The mechanism changes the vertical position parameter of the imaging platform while maintaining the orientation parameter constant. By manipulating the four-bar linkage, the system achieves variable height positioning without compromising the horizontal alignment of the mounted imaging device.
2Adaptability or versatility
If height adjustment is added to imaging stands, then positioning flexibility improves, but maintaining consistent platform orientation becomes difficult
Solution Approach 1:
The four-bar linkage mechanism dynamically maintains the horizontal orientation of the imaging platform throughout its height adjustment range. The geometric constraints of the linkage ensure that as the platform moves vertically, its angular orientation relative to the horizontal plane remains constant, preserving measurement precision across all positions.
Solution Approach 2:
The mechanism creates an equipotential condition for the platform's orientation by designing the four-bar linkage such that the platform remains at a constant angular potential (horizontal level) throughout its vertical displacement range, similar to how a level surface maintains constant gravitational potential.
3Productivity
If manual adjustment of imaging devices is used, then device portability is maintained, but positioning time and operational efficiency decrease
Solution Approach 1:
The system provides semi-automatic height adjustment through the four-bar linkage mechanism, which allows rapid repositioning between predetermined height levels. The mechanism translates simple input motion into precise vertical positioning, significantly reducing adjustment time compared to manual methods while maintaining operational simplicity through intuitive control.
Solution Approach 2:
The four-bar linkage is pre-configured with fixed link lengths and joint positions that define specific height levels. This preliminary geometric arrangement allows the platform to quickly snap into predetermined positions, eliminating the need for continuous manual adjustment and enabling rapid repositioning for different measurement scenarios.
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 precise adjustment of imaging devices to maintain consistent orientation and secure positions, facilitating accurate measurements across various heights and orientations, thereby improving the efficiency and accuracy of metrological applications.
Implementation Method 1
Four bar linkage imaging stand assembly system and method
Implementation Method 2
the stand includes a unique brake feature for maintaining the imaging platform at a particular height
Data Source
AI summary
A four bar linkage boom arm imaging stand assembly system and related methods are provided. The stand includes a height-adjustable imaging platform. The imaging platform is configured for holding a scanning device. The stand is configured to be mobile. The stand is also configured to be stable while moving a scanning device to a desired height and position. The stand is configured such that the imaging platform remains at a consistent orientation throughout the entire range of possible heights. The stand includes a unique brake feature for maintaining the imaging platform at a desired height.