Lifting Member Weighing System Base Unit Housing
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Solution Overview
Problem
The existing devices for moving loads, such as forklift trucks and pallet trucks, face challenges in efficiently retrofitting and manufacturing weighing systems due to laborious installation processes and variations in cable lengths and core sizes required for weight sensors, leading to high stock levels and structural strength issues.
Innovation Solution
The design features a solid upright part on the shoe of the lifting device, allowing the base unit of the weighing means to be fully enclosed within an intermediate space, eliminating the need for recesses in the base and enabling uniform cable lengths, with the base unit protected from mechanical impact and housed in a chamber formed by the upright part and base legs, and incorporating wireless or wired connections for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a recess is made in the base to accommodate the base unit, then the base unit can be housed within the lifting member, but structural strength is reduced and manufacturing becomes more complex
Solution Approach 1:
The base unit is relocated from a horizontal recess in the base to a vertical intermediate space between the base and shoe. This dimensional shift allows the base unit to be accommodated without compromising the structural integrity of the base, as the intermediate space naturally exists in the vertical dimension between components.
Solution Approach 2:
The base unit is nested within the intermediate space formed by the base and shoe, utilizing the existing void space between these components. This nesting approach eliminates the need for additional recesses in the base while providing protected housing for the base unit.
2Adaptability or versatility
If different cable lengths and core sizes are used to accommodate variations in battery positions and lifting member types, then adaptability is improved, but stock levels and device complexity increase
Solution Approach 1:
The base unit is positioned in the intermediate space at a uniform height that can serve multiple lifting member types and configurations. This universal positioning allows the same base unit and cable assembly to be used across different lifting member variants, eliminating the need for multiple cable lengths and core sizes.
Solution Approach 2:
By standardizing the height position of the base unit in the intermediate space, the cable length from the base unit to the weight sensor becomes uniform. This parameter standardization simplifies the cable specification to a single length and core size that works across different lifting member types.
3Strength
If the base unit is placed lower in the intermediate space, then structural strength is improved, but accessibility and heat dissipation may be compromised
Solution Approach 1:
The intermediate space itself acts as a mediator, providing a naturally protected environment for the base unit between the base and shoe. This intermediate positioning offers both structural protection and adequate accessibility without requiring the base unit to be placed in extreme positions.
Data Source
Figure 1~3
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Figure 6~7
AI summary
A device for moving a load comprises a mobile, in particular rolling chassis (10) from which a lifting device (20) extends with at least one lifting member (30). The lifting device is intended and configured to receive the load (5) thereon. The lifting member comprises a substantially L-shaped base (31) with a lying leg (311) and an upright leg (312) mutually connected by a bend (313). The lifting member further comprises a shoe (33) which extends over the base (31) with interposing of at least one weight sensor (32) of electronic weighing means. The shoe (33) is likewise substantially L-shaped with a lying leg (331) and an upright leg (332), wherein the upright leg (332) of the shoe (33) maintains an intermediate space in relation to the upright leg (312) of the base (31). A base unit (40) of the weighing means is received at least substantially wholly in the intermediate space between the two legs (31,33).