Concrete Drum Lift Layout for Low-Tunnel Transport and Discharge
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Solution Overview
Problem
Existing concrete transport vehicles face challenges in efficiently transporting and discharging concrete, particularly in navigating through tunnels of restricted height and avoiding mechanical interference with external objects during discharge.
Innovation Solution
A concrete transport vehicle equipped with a drum lift apparatus that allows the concrete drum unit to be lifted and displaced vertically and horizontally, enabling the vehicle to lower its height during transport and raise it during discharge, thus facilitating passage through low tunnels and preventing mechanical interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the concrete drum unit is positioned high for discharge, then the discharge capability is improved, but the vehicle height increases making it impossible to pass through low tunnels
Solution Approach 1:
The concrete drum unit is made dynamically positionable between a low transport position (for passing through tunnels) and a high discharge position (for loading concrete). The drum lift apparatus enables this dynamic repositioning, allowing the vehicle to adapt its height according to operational requirements rather than being fixed at a high position.
Solution Approach 2:
The vehicle is divided into functionally independent segments: the drum lift apparatus separately controls the concrete drum unit's position relative to the vehicle chassis. This segmentation allows the drum to be elevated for discharge while the rest of the vehicle maintains a lower profile for tunnel passage.
2Ease of operation
If the concrete drum unit is positioned high for discharge, then the discharge height is improved, but mechanical interference with external objects occurs
Solution Approach 1:
The drum lift apparatus dynamically adjusts the concrete drum unit's vertical position to achieve optimal discharge height while avoiding mechanical interference with external objects such as spraying machines. The system can elevate the drum when needed for discharge and lower it when passing through restricted spaces.
3Ease of operation
If the vehicle maintains a high position for discharge, then the discharge capability is improved, but maintenance access to systems below the drum is difficult
Solution Approach 1:
The drum lift apparatus enables dynamic repositioning of the concrete drum unit, allowing it to be elevated for discharge operations and lowered to provide clear access to systems positioned below the drum for maintenance and repair activities.
Data Source
AI summary
A concrete transport vehicle has a vehicle chassis, a concrete drum unit and a drum lift apparatus. The vehicle chassis carries the concrete drum unit and the drum lift apparatus. The concrete drum unit has a concrete drum, wherein the concrete drum is adapted to discharge concrete. The drum lift apparatus is adapted to lift the concrete drum unit with reference to the vehicle chassis from a transport position to a discharge position, wherein a vehicle height of the concrete transport vehicle is lowered in the transport position compared to the discharge position and wherein a drumrear and a drumfront of the concrete drum unit each is lifted in the discharge position compared to the transport position.