Convertible Road Spreader With Removable Edge-Filling Conveyor
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Solution Overview
Problem
Current road construction methods require separate and expensive devices for spreading and edge-filling road construction material, increasing overall construction costs.
Innovation Solution
A single road construction device that can be converted between spreading and edge-filling modes, featuring a feed reservoir, spreading blade, lateral guides, and a conveyor system, allowing it to perform both functions with minimal modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate spreading device and edge-filling device are used, then each device can be optimized for its specific function, but the overall construction cost increases and device complexity increases
Solution Approach 1:
The road construction device is designed with dual functionality to perform both spreading and edge-filling operations. The device includes a feed reservoir, spreading blade, lateral guides, and a conveyor system that can be positioned to transport material to the side. By integrating both functions into a single device, the patent eliminates the need for separate spreading and edge-filling devices, thereby reducing construction costs while maintaining functional effectiveness for both operations.
Solution Approach 2:
The device incorporates adjustable and reconfigurable components that allow it to dynamically switch between spreading and edge-filling modes. The conveyor system can be positioned differently, and the lateral guides can be adjusted to accommodate both operational requirements. This dynamic adaptability enables a single device to replace two specialized devices without compromising the optimization of either function.
2Reliability
If separate spreading device and edge-filling device are used, then each device can be optimized for its specific function, but the device complexity and number of components increases
Solution Approach 1:
The patent combines the functions of a spreading device and an edge-filling device into a single integrated road construction device. The device shares common components such as the feed reservoir, hydraulic system, and frame structure, while incorporating a conveyor system and lateral guides that enable both spreading and edge-filling operations. This merging reduces the total number of devices from two to one, simplifying the overall system while maintaining functional optimization for both operations.
3Adaptability or versatility
If a single device is used for both spreading and edge-filling, then construction cost is reduced and device complexity is reduced, but the device must be more versatile and adaptable
Solution Approach 1:
The road construction device is designed with universal components that enable it to perform both spreading and edge-filling operations. The feed reservoir can supply material to either the spreading blade or the conveyor system depending on the operational mode. The lateral guides and conveyor positioning system allow the device to adapt its configuration for different functions. This universality achieves cost reduction by eliminating the need for separate devices while managing versatility through shared components.
Solution Approach 2:
The device is segmented into modular functional units that can be independently controlled and configured. The spreading blade assembly, conveyor system, lateral guides, and feed reservoir are distinct modules that can be activated or deactivated based on the required operation. This segmentation allows the device to be versatile without requiring complete redesign for each function, managing complexity through modularity while achieving adaptability for both spreading and edge-filling tasks.
4Adaptability or versatility
If a single device is used for both spreading and edge-filling, then construction cost is reduced, but the device requires reconfigurable components and adjustment mechanisms
Solution Approach 1:
The device incorporates dynamic adjustment mechanisms that allow rapid reconfiguration between spreading and edge-filling modes. The conveyor system can be repositioned using hydraulic actuators, and the lateral guides can be adjusted to different positions. These dynamic mechanisms enable the device to adapt to different operational requirements without manual disassembly or complex reconfiguration, managing the complexity through automated adjustment systems while achieving cost reduction through single-device versatility.
Data Source
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AI summary
The invention relates to a road construction device (10) which is configured to act as a spreading device for spreading road construction material (110) and which is configured to be attached to a working machine (100), wherein the road construction device (10) includes a front frame (12) and a rear frame (14) joined together and configured so as to form a feed reservoir (15), a mouth (16) formed in the feed reservoir (15), - a spreading blade (18) arranged on the rear frame (14), lateral guides (44) attached between the front frame (12) and the rear frame (14) on either side of the feed reservoir (15), adjustment actuators (22) for adjusting a distance between the spreading blade (18) and a surface of a road (120), and an attachment member (30) attached to the rear frame (14). The road construction device (10) is configured to be used alternatively, instead of for spreading road construction material (110), as an edge-filling device, and the road construction device (10) further includes edge-filling equipment configured to be supported by the road construction device (10) instead of the lateral guide (44), wherein the edge-filling equipment includes a conveyor (52) for conveying road construction material (110) from the feed reservoir (15) to one side of the road construction device (10), wherein the conveyor (52) is configured to be removably arranged at the bottom of the feed reservoir (15), advantageously so as to block the mouth (16). The invention also relates to a method for modifying a road construction device (10).