Box-Shaped Fork Carriage Design for Industrial Trucks
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Solution Overview
Problem
Existing fork carriages for industrial trucks require high material usage and complex assembly due to the need for additional belts or struts to achieve stability and rigidity, leading to increased weight and production costs.
Innovation Solution
A box-shaped fork carriage design utilizing interconnected main metal sheets with specific folding and connection configurations to provide rigidity and stability, eliminating the need for additional reinforcing struts and belts, with kinematics interfaces and a lift cylinder space for height adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If additional belts or struts are installed in the fork carriage, then the fork carriage achieves necessary rigidity and stability, but material usage increases leading to higher costs and heavier weight
Solution Approach 1:
The patent combines the functions of multiple separate reinforcing elements (belts and struts) into a single integrated box-shaped structure formed by interconnected main metal sheets. This merging eliminates the need for additional separate components while maintaining the required rigidity and stability, directly reducing material usage and assembly complexity.
Solution Approach 2:
The fork carriage is divided into three main metal sheets (fork-side, load-side, and driver-side) that are interconnected to form the box-shaped structure. This segmentation allows for optimized material distribution and easier assembly compared to traditional monolithic or over-reinforced designs, achieving stability with less total material.
2Stability of the object's composition
If additional belts or struts are installed in the fork carriage, then the fork carriage achieves necessary rigidity and stability, but assembly complexity increases and becomes more time-intensive
Solution Approach 1:
Multiple reinforcing functions are merged into the box-shaped structure formed by the three interconnected main metal sheets. This integration reduces the number of separate components that need to be assembled, eliminating the complexity of installing and securing multiple separate belts and struts while maintaining structural stability.
Solution Approach 2:
The main metal sheets serve multiple functions simultaneously: they form the structural framework, provide rigidity, ensure stability, and create the box-shaped enclosure. This multi-functionality eliminates the need for separate dedicated reinforcing elements, simplifying the overall assembly process.
3Stability of the object's composition
If additional belts or struts are installed in the fork carriage, then the fork carriage achieves necessary rigidity and stability, but the vehicle weight increases
Solution Approach 1:
The patent merges the structural support and reinforcing functions into a single box-shaped structure made from three main metal sheets. This consolidation eliminates redundant material that would be required for separate belts and struts, reducing the overall weight while maintaining the necessary stability for load-bearing operations.
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
The design reduces material usage and assembly complexity while maintaining stability and rigidity, resulting in a lighter, less costly, and easier-to-assemble fork carriage for industrial trucks.
Implementation Method 1
The interconnected main metal sheets have a box-shaped body, on which the fork-side and the load-side main metal sheet form five sides of the fork carriage body and the sixth side is formed mainly by the fork-side main metal sheet
Implementation Method 2
each kinematics interface has a pair of roller bolts, each of which can mount a roller guided in a mast profile
Data Source
AI summary
A fork carriage for an industrial truck, which has a load-side main metal sheet, a fork-side main metal sheet and a driver-side main metal sheet, which are connected to a box-shaped fork carriage body with six flat sides, wherein the fork-side main metal sheet has two connecting interfaces for two fork prongs, the load-side main metal sheet has laterally two folded side plates, on each of which a kinematics interface is arranged, and the driver-side main metal sheet has a folded cover plate.