Tipper Trailer Release Agent System
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Solution Overview
Problem
Operators face safety risks when applying release agents to the interior of tipper trailers, as they must climb into the trailer and directly expose themselves to toxic substances, posing health and slipping hazards, especially during asphalt transport.
Innovation Solution
An automated system where the operator can initiate the application of a release agent from a safe distance, using a pump device with a controlled nozzle system that sprays the agent inside the trailer, eliminating the need for direct contact and reducing exposure to hazards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the operator manually sprays the release agent into the trough using a hand pump, then the release agent can be applied to prevent asphalt from sticking, but the operator is directly exposed to toxic vapors and faces health risks
Solution Approach 1:
The patent introduces a pump device and control unit as intermediaries between the operator and the release agent application process. The control unit receives signals from the operator and automatically controls the pump device to spray the release agent through nozzles, eliminating direct operator exposure to toxic vapors while maintaining effective application.
Solution Approach 2:
The system enables self-service operation where the trough structure itself includes integrated nozzles and the pump device automatically performs the spraying function when activated by the operator, reducing the need for manual intervention and direct exposure to harmful substances.
2Ease of operation
If the operator climbs into the trough to apply release agent, then the agent can be applied directly to the interior surfaces, but the operator faces slipping hazards and physical safety risks
Solution Approach 1:
The control unit acts as an intermediary that translates the operator's activation signal into automatic pump operation and nozzle activation, allowing the operator to remain outside the trough and eliminate slipping hazards while maintaining effective release agent application to interior surfaces.
Solution Approach 2:
The manual mechanical spraying process is replaced by an automated pump-driven spray system with controlled nozzles, substituting the operator's physical presence and manual actions with an automated mechanical system that eliminates safety risks.
3Reliability
If the pump device runs continuously, then the release agent can be applied thoroughly, but the system consumes excessive energy and the trough may become oversaturated
Solution Approach 1:
The control unit implements periodic or cyclic operation of the pump device, activating it in controlled intervals rather than continuous operation. This ensures thorough application of release agent through multiple spray cycles while allowing energy recovery periods, reducing overall energy consumption and preventing oversaturation.
Solution Approach 2:
The control unit monitors the spraying process and automatically adjusts or terminates pump operation based on achieved coverage, preventing oversaturation and unnecessary energy consumption while ensuring complete application of release agent where needed.
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 system ensures safe and efficient application of release agents, protecting the operator from health risks and physical hazards by automating the process, allowing the agent to be applied without entering the trailer and minimizing exposure to toxic substances.
Implementation Method 1
a pumping device (170) is provided for pumping the liquid from the tank (140) through a liquid line (160) to a nozzle (150) which sprays the liquid onto the inside of the trough
Data Source
Figure 1
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Figure 4
AI summary
The invention relates to a tipper trailer (100) for a tractor unit, comprising a chassis (110) and a body (130) in the form of a trough, which is mounted on the chassis (110) so as to be tiltable about a pivot axis (A) and which forms a loading space (134) for receiving bulk material. To enable the safe application of a liquid, e.g., in the form of a release agent, to the inside of the trough by an operator, the trailer, according to the invention, comprises: a tank (140) for the liquid arranged on the trailer (100); at least one nozzle (150) arranged on the inside of the trough (130) for applying the liquid to the inside; a liquid line (160) between the tank (140) and the nozzle (150); and a pumping device (170) for pumping the liquid from the tank (140) through the liquid line (160) to the nozzle (150).