Dynamic Protective Field for Industrial Truck Long Goods
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Solution Overview
Problem
Industrial trucks with load-carrying devices for picking up long goods lack a safety control that effectively meets their specific requirements, leading to inadequate protection and operational efficiency.
Innovation Solution
An industrial truck equipped with a long goods detection device and a safety controller that uses monitoring sensors to dynamically adjust a protective field based on detected long goods, ensuring safe operation by reducing speed or stopping when approaching vehicles or people, and adapting to the overall contour of the truck and load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed-size protective field is used for industrial trucks, then safety monitoring is simplified, but the protective field becomes excessively large when handling long goods, reducing operational efficiency
Solution Approach 1:
The protective field is made dynamic by continuously adapting its size and shape to the actual load configuration. The safety controller receives data from the long goods detection device about the load's length and position, then adjusts the protective field parameters in real-time. This allows the protective field to be large only when long goods are present and small when they are not, resolving the contradiction between safety and efficiency
Solution Approach 2:
The system changes the parameters of the protective field (size, shape, position) based on the detected long goods characteristics. When long goods are detected, the protective field parameters are adjusted to cover the extended area; when no long goods are present, the parameters return to standard dimensions. This parameter adaptation enables both high safety when needed and high efficiency when not needed
2Reliability
If a large protective field is maintained for all operations, then safety is maximized, but the truck's movement is unnecessarily restricted during normal operations, reducing operational smoothness
Solution Approach 1:
The protective field dynamically adapts its boundaries based on the actual operational context. When long goods are detected, the protective field expands to ensure safety; when no long goods are present, the protective field contracts to minimal necessary dimensions. This dynamic behavior ensures safety is maximized only when required, while operational smoothness is maintained during normal operations
Solution Approach 2:
The system modifies the protective field parameters (extent, position, shape) according to the detected load conditions. The safety controller adjusts these parameters in real-time based on feedback from the long goods detection device, ensuring the protective field is as large as needed for safety but not larger, thereby maintaining operational smoothness
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 solution provides enhanced safety and operational efficiency by ensuring the protective field is only as large as needed, maintaining high protection levels while allowing smooth operations, even with long items that protrude beyond the truck's contour.
Implementation Method 1
a safety controller, which has at least one monitoring sensor and, with the aid of this monitoring sensor, forms at least one protective field
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The invention relates to an industrial truck (100, 200, 300, 400, 500, 500) comprising load receiving means (1) for receiving elongated goods (L) and an elongated goods detection device (2) for detecting elongated goods (L) and comprising a safety controller (3) which has at least one monitoring sensor (4, 4') and which forms at least one protection field (5, 5') using said monitoring sensor (4, 4'), wherein the safety controller (3) interacts with the elongated goods detection device (2) and is designed to influence the at least one protection field (5, 5') on the basis of elongated goods (L) detected by the elongated goods detection device (2).