Mobile Weighing Scale With Integrated Vibrator And Load Cells
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Solution Overview
Problem
Conventional weighing scales require lifting and additional transportation mechanisms to handle heavy objects, making it difficult to weigh and transport them efficiently, especially on uneven surfaces.
Innovation Solution
A mobile weighing scale with a low-profile platform, load cells mounted internally within a base tubing, and a handle for easy movement, along with a vibrator for densifying materials, allowing for accurate weighing and transport of objects without additional lifting mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional weighing scales with elevated platforms are used, then weight measurement can be performed, but additional lifting mechanisms are required and objects cannot be easily transported
Solution Approach 1:
The patent combines the weighing function and transportation function into a single integrated mobile platform. The weighing scale is mounted on a mobile cart with wheels, allowing the platform to both measure weight and transport objects simultaneously, eliminating the need for separate lifting mechanisms and transportation equipment.
Solution Approach 2:
The mobile weighing platform serves multiple functions: it acts as a weighing surface, a transportation vehicle, and a mobile measurement station. This multi-functional design allows the same device to perform weighing, transport, and repositioning tasks, reducing overall system complexity.
2Measurement precision
If the weighing platform is elevated above the ground, then weight measurement is possible, but objects must be lifted before placement
Solution Approach 1:
The patent transitions from a fixed elevated platform to a mobile platform that operates at ground level. By changing the dimensional configuration from static elevation to mobile ground-level operation, the system maintains measurement capability while eliminating the need for vertical lifting.
3Measurement precision
If objects are placed on the weighing platform, then weight can be measured, but the objects cannot be transported to another location
Solution Approach 1:
The weighing function and transportation function are merged into a single mobile platform. After weighing an object on the platform, the entire platform can be moved to transport the object to another location, providing both measurement accuracy and transportation capability.
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 efficient weighing and transport of heavy objects like barrels and cylinders directly on the ground, reducing the need for lifting devices and ensuring accurate weight measurements on uneven surfaces.
Implementation Method 1
a vibrator, removably attached at a proximal end of the weighing platform, for producing vibratory forces on the weighing platform to densify a material within the object to be weighed
Implementation Method 2
a plurality of load cells for computing weighment of the object, the load cells connected to the weighing platform and mounted internal to the top of a base tubing
Data Source
AI summary
A mobile weighing apparatus includes a base tubing, a column extending from the base tubing, a handle extending from the column, a plurality of wheels, a weighing platform, and a plurality of load cells coupled to or between the base tubing and the weighing platform. The weighting platform may be suspended from the load cells, such as with wire rope bolts, such that a force applied to the column does not affect weighment of an object on the weighing platform. The apparatus may include a kingpin-less swivel rear wheel, a rear wheel brake to preclude rotation of the rear wheel about an axle of the rear wheel, and an actuator to actuate the rear brake when the rear wheel is in any position over a 360-degree range. The wheels may be positioned adjacent respective corners of a triangularly shaped base tubing, and the apparatus may further include a clinometer.