Adjustable Width Lift Weigh Scale for Universal Lifting Machine Compatibility
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Solution Overview
Problem
Conventional industrial lift and weigh devices are not universally compatible with different engine-powered lifting machines due to differences in width and mechanical interconnections, suffer from non-linear measurements, and are sensitive to load positioning and preload errors.
Innovation Solution
A modular and adjustable width weighing scale with first and second weighing members and a summing device, capable of combining weight measurements, which includes load cells and transverse members to accommodate various lifting machines, and features for load positioning and preload adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional industrial lift and weigh devices are designed for specific engine powered lifting machines, then they can provide accurate measurements for that specific machine, but they are not readily usable with other lifting machines due to differences in width and mechanical interconnections
Solution Approach 1:
The weighing device is designed with universal mounting capabilities that allow it to be adapted to different engine powered lifting machines. The device incorporates adjustable mounting brackets and configurable mechanical interconnections that can accommodate various machine widths and attachment types, enabling a single device design to serve multiple lifting machine platforms without requiring machine-specific customization
Solution Approach 2:
The device employs adjustable and reconfigurable mechanical components including variable width mounting structures and adaptable connection mechanisms. These dynamic elements allow the device to be reconfigured for different lifting machine specifications, transforming a static design into an adaptable system that can respond to different mounting requirements while maintaining measurement accuracy
2Adaptability or versatility
If industrial lift and weigh devices use fixed width结构设计, then they are simpler to manufacture, but they cannot accommodate lifting machines with different widths
Solution Approach 1:
The device structure is divided into modular segments including adjustable width components and interchangeable mounting sections. This segmentation allows the device to be manufactured using standardized parts that can be assembled in different configurations, maintaining manufacturing simplicity while enabling width adaptability across different lifting machine platforms
3Measurement precision
If industrial lift and weigh devices have fixed measurement scales, then they provide consistent measurements, but they suffer from non-linear measurements over a range of load weights
Solution Approach 1:
The device incorporates feedback mechanisms through software-based measurement correction algorithms that compensate for non-linear measurement characteristics. The system continuously monitors load weight readings and applies correction factors to maintain measurement linearity across the full weight range, achieving high measurement precision without requiring complex mechanical measurement scales
4Measurement precision
If industrial lift and weigh devices have fixed mounting structures, then they are easier to install, but they are sensitive to load positioning and preload errors
Solution Approach 1:
The mounting structure incorporates adjustable elements that allow configuration based on the specific lifting machine and load characteristics. This dynamic mounting capability enables the device to be optimized for each installation, reducing sensitivity to load positioning variations and preload errors while maintaining reasonable installation simplicity through standardized adjustment procedures
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 universal compatibility with multiple engine-powered lifting machines, provides accurate and linear weight measurements, and compensates for preload errors and load positioning variations.
Implementation Method 1
a load cell (e.g., a strain gauge load cell) to provide an output that is indicative of a weight or mass of the load
Data Source
AI summary
A configurable-width industrial weighing scale configured to hang directly from one of multiple engine-powered lifting machines and/or to couple to a quick-attach plate or other attachment means of an engine-powered lifting machine and configured to directly support a lifting element and/or couple to a quick-attach plate or other attachment means of a lifting element. A weighing element includes front and rear plates in parallel with one another and a weighing assembly therebetween. The weighing assembly may include a strain gauge-based load cell, a shock absorber, a mechanical preload adjustment to control a vertical difference between the front and rear plates, a mechanical linearity control to adjust an angle of the weighing assembly, a carriage alignment bolt to compensate for an uneven surface of a lifting carriage of the engine-powered lifting machine, and/or a mechanical adjustment to compensate for a distance between the front plate and a load.