Block Storage Lift Control With Upper Container Detection
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Solution Overview
Problem
The risk of damage to the ceiling or enclosure and reduced availability due to containers being moved out of the container receiving space in a block storage arrangement, especially when the space is full, is a significant issue.
Innovation Solution
A container detecting device is positioned at the upper end of the container receiving space, cooperating with a controller to interrupt the lifting movement if a container is detected, using a mechanical and optical signaling system to prevent containers from being lifted beyond the upper end.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the block storage arrangement uses the full height of the production hall for container receiving spaces, then the packing density and space utilization are improved, but the risk of damage to the ceiling or enclosure increases when containers are moved out of the container receiving space
Solution Approach 1:
The container detecting device is positioned at the upper end of the container receiving space to detect containers before they can be moved out and cause damage. The controller interrupts the lifting movement in advance when a container is detected, preventing the harmful effect of ceiling or enclosure damage before it can occur.
2Reliability
If the container detecting device is positioned at the upper end of the container receiving space, then the reliability is improved by preventing containers from being moved too far out, but the device complexity increases due to the additional detecting device and control system
Solution Approach 1:
The container detecting device provides feedback to the controller about the position of containers in the container receiving space. The controller uses this feedback to automatically interrupt the lifting movement when a container approaches the upper end, ensuring reliable operation while maintaining a relatively simple control system.
Data Source
AI summary
Block storage arrangement and method. The block storage arrangement includes at least one container receiving space; a loading space below, in a direction of gravity, the at least one container receiving space; at least one loading vehicle, which can be moved in the loading space to a position below the at least one container receiving space, having a lifting device; and a container detecting device arranged at an upper end, in the direction of gravity, of the at least one container receiving space. A lifting movement of the lifting device is interrupted when the container detecting device detects a container passing the container detecting device.