Attachable Forklift Weighing Scale via Load Cells
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Solution Overview
Problem
Forklifts lack a reliable method to accurately measure loads without mechanical modification, posing risks due to improper load balancing and exceeding weight limits, which can lead to instability and accidents.
Innovation Solution
A conversion kit with an elongated sleeve containing load cells and digital display that attaches to forklift tines, enabling precise weight measurement without altering the forklift, using strain gauges and wireless communication for accurate load assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a forklift uses traditional mechanical modification methods to measure load weight, then measurement capability is achieved, but the forklift structure is altered and installation becomes complex
Solution Approach 1:
The patent introduces an intermediary measuring device that attaches to the forklift tines without modifying the forklift structure. The measuring device includes load cells that indirectly measure the load weight by detecting the force applied to the tines, serving as a mediator between the forklift and the measurement function.
Solution Approach 2:
The patent replaces traditional mechanical modification methods with an attachment-based system using load cells and electronic sensors. Instead of permanently altering the forklift's mechanical structure, the system uses attachable components with strain gauge-based load cells to detect weight, converting mechanical force into electrical signals for measurement.
2Measurement precision
If a forklift is equipped with a permanent weighing system, then accurate load measurement is achieved, but the cost and installation time increase
Solution Approach 1:
The patent divides the weighing system into separate, modular components that can be independently attached to each tine. The measuring device is segmented into multiple attachable units, each with its own load cell and sensing elements, allowing for quick installation and removal without affecting the entire forklift system.
Solution Approach 2:
The measuring devices are designed to be pre-assembled attachment units with all necessary components (load cells, wiring, mounting hardware) prepared in advance. This preliminary preparation allows for rapid installation by simply attaching the complete units to the tines without requiring complex on-site assembly or modification work.
3Ease of operation
If load weight is not accurately measured, then the forklift can operate without restrictions, but stability and safety are compromised
Solution Approach 1:
The patent incorporates a feedback mechanism where the load cells continuously measure the weight being lifted and provide real-time data about the load. This feedback allows the operator to monitor the weight during operation, ensuring the forklift remains within safe operating limits while maintaining operational flexibility.
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 safe and accurate load measurement on forklifts, ensuring stability and preventing accidents by providing a low-cost, quick-installation, high-precision weighing solution without mechanical modifications to the forklift.
Implementation Method 1
A forklift weighing scale includes a plurality of weighing modules connected to one another in a daisy chain fashion. Each of the weighing modules includes a sensor base, and at least one weighing sensor connected within one of the sensor receiving portions of the sensor base.
Data Source
AI summary
An attachable weighing scale for forklifts has a plurality of weighing modules connected within an outer cover. The weighing modules are connected to the forks of a forklift within the outer cover around the forks in order to facilitate weighing of loads.