Tilting Rolling Machine with Adjustable Smoothing Table
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Solution Overview
Problem
Existing machines for spreading and smoothing road materials struggle with complexity in design, making them cumbersome and unable to follow ground profiles, requiring multiple operators and difficulty in navigating narrow or complex terrain.
Innovation Solution
A self-propelled rolling machine with a tilting frame and adjustable smoothing table, allowing for height and inclination adjustments via actuators, enabling the machine to maintain horizontal smoothing and adapt to ground profiles while allowing easy passage through narrow areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the machine is hitched to a tractor vehicle, then the machine can be powered and operated, but the assembly becomes complex and cumbersome
Solution Approach 1:
The machine is equipped with its own propulsion system (wheels with drive capability) and can operate autonomously without being hitched to a tractor vehicle. The frame is designed to be self-supporting with integrated storage tanks and smoothing mechanisms, eliminating the need for external power sources and reducing overall system complexity.
2Manufacturing precision
If the machine has a fixed design, then the structure is simple, but the machine cannot follow the profile of the ground
Solution Approach 1:
The frame is designed with dynamic adjustability, allowing it to tilt and adapt to varying ground profiles. The smoothing table can be positioned at different heights and angles relative to the ground, and the storage tanks are mounted to accommodate frame movement. This dynamic configuration enables the machine to follow complex terrain while maintaining functional integrity.
3Productivity
If the smoothing table is fixed parallel to the ground, then the structure is simple, but the unloading opening becomes an obstacle during machine advancement
Solution Approach 1:
The smoothing table is mounted to the frame in a manner that allows it to tilt and adjust its angle relative to the ground. When the frame tilts to follow ground contours, the smoothing table maintains its functional orientation while the unloading opening clears obstacles. This dynamic positioning resolves the conflict between spreading efficiency and machine maneuverability.
4Adaptability or versatility
If the machine operates on flat ground only, then the operation is simple, but the machine cannot navigate complex terrain with narrow traffic lanes
Solution Approach 1:
The frame is designed with articulated joints and tilt capabilities that allow it to navigate narrow traffic lanes and complex terrain. The smoothing table and storage tanks are positioned to accommodate frame movement, and the wheel configuration enables tight turning radii. These dynamic features provide terrain adaptability while maintaining operational simplicity through intuitive control mechanisms.
Data Source
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Figure 5~6
AI summary
Rolling device (1) comprising a chassis (2) equipped with a reservoir (3) for holding bulk materials and with a smoothing table (4), the smoothing table (4) having a leading edge (5) arranged transversely to the direction of movement of the device, and the bottom (6) of the reservoir (3) being provided with a discharge opening (7) arranged between the leading edge (5) of the smoothing table (4) and the wheels (8) of the rolling chassis (2) of the device (1), the rolling chassis (2), of which the wheels (8) are driven, is mounted so as to be able to tip about the axis (XX') of rotation of its wheels (3) and the reservoir (3) and the smoothing table (4) form a movable assembly (3, 4) of which the position can be adjusted by adjustment means (91, 92) so as to be able to adjust the height of the smoothing table (4) and the discharge opening (7), and the inclination of the smoothing table (4).