Combination Door Platform for Conveyor Chain Tension Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing methods for delivering asphalt paving material from trucks to paving machines are inefficient, particularly when dealing with large trucks, leading to potential contact issues, uneven asphalt mats, and heat losses due to queuing, which can affect the quality and continuity of the paving process.
Innovation Solution
A material transfer vehicle with a combination door and platform that provides access to the chain tension adjustment assembly and accommodates storage of tools, allowing for easier maintenance and operation, while also serving as a door for protected components, enhancing the operational efficiency and reducing the need for manual ladder access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If delivery trucks queue up near the paving machine to ensure continuous material supply, then the paving operation continuity is improved, but heat losses in the asphalt paving material occur which affect the quality of the asphalt mat
Solution Approach 1:
The patent introduces a material transfer vehicle as an intermediary between delivery trucks and the paving machine. This mediator receives material from trucks and transports it to the paving machine, eliminating the need for trucks to queue directly at the paving machine and thereby reducing heat losses while maintaining continuous supply.
Solution Approach 2:
The patent extracts the queuing function from the delivery trucks by introducing a separate material transfer vehicle. The trucks can now park or queue at a distance from the paving machine, while the material transfer vehicle handles the immediate material supply, separating the queuing function from the critical paving zone.
2Productivity
If large tractor-semitrailer units are used as delivery vehicles to increase material capacity, then the material supply efficiency is improved, but contact with the hopper of the asphalt paving machine becomes a problem when the truck bed is extended to its highest point
Solution Approach 1:
The material transfer vehicle serves as an intermediary that receives material from large delivery trucks at a safe distance from the paving machine hopper. This eliminates the risk of contact between the extended truck bed and the hopper, while still enabling efficient material transfer through the intermediate vehicle.
Solution Approach 2:
The patent extracts the material transfer function from the delivery trucks themselves. Instead of trucks directly dumping material into the hopper (which creates contact risks with large vehicles), the transfer function is taken out and performed by a dedicated material transfer vehicle with controlled discharge mechanisms.
3Productivity
If multiple delivery trucks are coordinated to serially discharge loads into the paving machine's hopper, then the material supply is improved, but multiple truck maneuvers are required which are often difficult to carry out without stopping the paving machine
Solution Approach 1:
The material transfer vehicle acts as a mediator that simplifies the material supply process. Multiple delivery trucks can load the material transfer vehicle in sequence at convenient locations, and the transfer vehicle then delivers material to the paving machine without requiring complex truck maneuvers near the machine, thus avoiding interruptions.
Solution Approach 2:
The patent extracts the complex coordination and maneuvering requirements from the delivery process. Instead of multiple trucks performing difficult maneuvers near the paving machine, the material transfer vehicle handles the precise positioning and discharge, while delivery trucks can operate more simply from a queue or parking area.
Data Source
AI summary
A material transfer vehicle includes a material receiving device that is adapted to receive asphalt paving material, and a receiving conveyor that is operatively attached to the material receiving device. The receiving conveyor is driven by a chain drive assembly and includes a chain tension adjustment assembly. The receiving conveyor is pivotable about a substantially horizontal axis so that it can be moved between a transport configuration in which the material receiving device is raised, an intermediate adjustment configuration, and a working configuration in which the material receiving device is lowered. A housing structure encloses protected components and includes an opening adjacent to the protected components. A combination door and platform is attached to the housing structure and is adapted to be moved between a closed configuration that covers the opening and an open configuration that provides access to the protected components, and also provides a platform on which an operator can stand to access the chain tension adjustment assembly.