Paving Machine Storage Container Hinged Shields
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Solution Overview
Problem
Existing road construction machines, such as pavers and feeders, face the issue of road building material falling out of storage containers when folded, leading to material loss, obstruction of the manufacturing process, and potential damage to sensors or devices.
Innovation Solution
The implementation of plate-like flaps or signs on the side walls of storage container halves, which are freely movable transverse to the conveying direction and pivotally connected to the chassis, preventing material from falling out by utilizing gravitational force for movement, eliminating the need for additional drives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the container halves are designed with slopes or recesses to enable folding, then the folding mechanism works collision-free, but road building material can fall out of the storage container via the side walls
Solution Approach 1:
The side wall is divided into two functional segments: the lower portion with slopes/recesses for folding movement, and the upper portion with vertical walls and signs for material containment. This segmentation allows each part to perform its specific function without interfering with the other.
Solution Approach 2:
The sign acts as an intermediary element between the sloped side wall and the road building material. It is mounted on the sloped surface but extends vertically to block material discharge, mediating between the folding requirement and the containment requirement.
2Loss of substance
If the signs are fixed to prevent material from falling out, then material containment is improved, but the folding mechanism may be blocked
Solution Approach 1:
The sign is mounted in a movable manner on the sloped side wall, allowing it to dynamically adjust its position during folding operations. The sign can move transverse to the conveying direction to clear the folding path while maintaining its material-blocking function during normal operation.
Solution Approach 2:
The sign mounting system is segmented into a fixed reference point on the side wall and a movable sign portion. This allows the sign to maintain its containment function while having freedom of movement to avoid blocking the folding mechanism.
3Volume of stationary object
If the container halves protrude far beyond the external dimensions to maximize storage volume, then storage capacity is improved, but the machine becomes more complex and harder to maneuver
Solution Approach 1:
The sign is mounted on the sloped side wall surface, utilizing the existing space within the container half's external dimensions. This nested mounting approach allows the sign to provide material containment without adding external protrusions that would increase overall machine 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
This solution effectively prevents road building material from falling out during folding and unfolding, maintaining storage volume and ensuring a collision-free folding mechanism, thus enhancing operational efficiency and safety by using gravitational force for flap movement.
Implementation Method 1
This movement is purely gravitational, which means that no further drives are necessary. The signs follow the force of gravity with their movement due to their mass.
Data Source
Figure 1
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AI summary
Road construction machines, particularly paving machines (10) and charging machines, are supplied with road construction material by lorries. In order to receive the road construction material, the road construction machines comprise a storage container (14) with two moveable container halves (20, 21). When filling the storage container (14), road construction material may fall out of the storage container (14). The invention provides a road construction machine in which the danger of this falling out is avoided when charging the storage container (14). According to the invention, the container halves (20, 21) each comprise at least one shield (34, 35) that can be moved away when the container halves (20, 21) are folded together.