Hopper Ram Bulk Material Loader for Container Space Utilization
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Solution Overview
Problem
Current methods for loading bulk materials like scrap metal into freight containers are inefficient, often resulting in underutilization of space, damage to containers, and safety hazards due to the irregular shapes and sizes of the materials, as well as the complexity and cost of existing loading apparatuses.
Innovation Solution
A bulk material loader comprising a hopper with a ram and collapsible legs, utilizing a hydraulic cylinder to push material into the container, and optionally a reciprocating conveyor floor system, which allows for efficient loading by occupying a substantial volume of the container and minimizing contact between the material and the container walls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conveyer belt is used to load bulk material, then material can be transported into the container, but the irregular shaped material cannot be stacked beyond a certain height due to lack of clearance, resulting in underutilization of container space
Solution Approach 1:
The hopper is made movable relative to the container through a positioning mechanism, allowing it to be moved into different positions within the container. This dynamic positioning enables the hopper to occupy substantial volume while allowing material to be pushed to the top of the container, resolving the contradiction between loading speed and space utilization.
Solution Approach 2:
A ram is introduced as an intermediary mechanism between the hopper and the container walls. The ram pushes the bulk material from the hopper toward the container walls, enabling material to be compacted and stacked to the top of the container, thereby maximizing space utilization while maintaining efficient loading.
2Productivity
If bulk material is loaded using conventional methods, then material can be placed in the container, but irregularly shaped pieces impact the sidewalls causing severe damage to the thin walls
Solution Approach 1:
The ram serves as a mediator that controls the movement of bulk material into the container. By pushing material gradually and controlling its trajectory, the ram prevents irregular pieces from impacting the sidewalls directly, thereby protecting the container while maintaining loading efficiency.
Solution Approach 2:
The hopper and ram system is designed to prevent harmful impacts before they occur. The hopper's positioning and the ram's controlled pushing action ensure material enters the container in a controlled manner, preventing the harmful effect of sidewall impacts from happening in the first place.
3Productivity
If a skid loader is used to load bulk material, then material can be dumped into the container, but errors in operation can lead to physical injuries to workmen and damage to the container
Solution Approach 1:
The loading system is designed to be self-controlled through the hopper's positioning mechanism and the ram's automated pushing action. This eliminates the need for manual operation with skid loaders, thereby maintaining high productivity while significantly improving safety by removing human operators from hazardous environments.
Solution Approach 2:
The manual mechanical operation of skid loaders is replaced with an automated hopper and ram system. This substitution eliminates human involvement in the loading process, thereby maintaining efficient material handling while removing safety hazards associated with manual operation.
4Productivity
If the hopper is made to occupy substantial volume of the container, then loading efficiency is improved, but the hopper structure becomes more complex
Solution Approach 1:
The hopper system is segmented into functional components: the hopper body, the positioning mechanism, and the ram. This segmentation allows each component to be optimized independently while working together to achieve substantial volume occupation without excessive overall complexity.
Solution Approach 2:
The hopper is designed to serve multiple functions: it stores material, positions itself within the container, and works with the ram to push material to the top. This multi-functionality reduces the need for separate components, thereby achieving substantial volume occupation without proportionally increasing complexity.
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 enables efficient loading of bulk materials, maximizing container space, reducing the risk of damage to containers, and minimizing the number of moving parts to decrease maintenance costs and improve loading efficiency.
Implementation Method 1
The driver is configured and capable of moving the plate between the first end and the open end to load the material into the shipping container. Optionally, the driver comprises a hydraulic cylinder.
Data Source
AI summary
Disclosed are apparatuses and methods for use thereof for loading bulk material into freight containers. One apparatus comprises a hopper configured to receive bulk material that is sized and shaped to be at least partially enclosable by a container to occupy a substantial volume of the container and a ram. The ram comprises a plate and a driver configured to move the plate from a back end of the hopper to an open end of the hopper to expel material into a container. Another apparatus comprises a hopper configured to receive bulk material that is sized and shaped to be at least partially enclosable by a container to occupy a substantial volume of the container and a reciprocating conveyor floor system. Optionally, a chute can be employed in combination with a loader vehicle to quickly and efficiently load bulk material into a container.