Vibration-Damped Hammering Unit for Flat Surfacing Processing
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Solution Overview
Problem
Existing surfacing processing machines have a short lifespan, require frequent repairs, and suffer from high vibration levels, leading to equipment damage and discomfort for the driver, while also failing to effectively smooth out larger bumps in the surfacing.
Innovation Solution
A device with a stiff, vibration-damping hammering unit comprising two flat discs connected via elastic coupling elements, allowing for accurate and efficient flattening of surfacing with a single rotatable hammering unit that can handle large bumps and reduce vibrations transmitted to the drive motor and vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single rotatable hammering unit with two flat discs is used, then manufacturing precision and surface-tracking flatness are improved, but device complexity increases due to the coupling mechanism between discs
Solution Approach 1:
Two flat discs are coupled together via vibration-damping coupling elements to form a unified hammering unit that maintains flatness while processing the surfacing. The coupling elements connect the discs in a way that preserves the parallel relationship between them, ensuring high surface-tracking flatness without requiring complex control mechanisms.
Solution Approach 2:
Vibration-damping coupling elements serve as intermediaries between the two flat discs, providing a controlled connection that allows the discs to maintain their relative positions while dampening vibrations. This intermediary mechanism enables precise flatness control without direct rigid coupling that would transmit harmful vibrations.
2Reliability
If vibration-damping coupling elements are used between discs, then reliability is improved by reducing vibrations, but device complexity increases due to additional coupling components
Solution Approach 1:
The vibration-damping coupling elements convert the harmful vibrations generated during hammering into beneficial damping effects. Instead of allowing vibrations to propagate through the drive system and cause damage, the coupling elements absorb and dissipate these vibrations, protecting the drive motor and extending equipment lifespan.
Solution Approach 2:
The vibration-damping coupling elements are installed beforehand between the discs to provide cushioning against upcoming vibrations. This preventive measure protects the drive system from vibration-induced damage before it occurs, extending the reliability and lifespan of the equipment.
3Manufacturing precision
If a stiff hammering unit construction is used, then manufacturing precision is improved for flattening surfacing, but vibrations are increased during operation
Solution Approach 1:
The hammering unit employs different local qualities in different parts of the system. The discs and their mounting structure are made stiff to ensure accurate flattening and maintain geometric integrity during operation. Meanwhile, the coupling elements between the discs are designed with vibration-damping properties to absorb and dissipate vibrations locally, preventing their propagation to the drive system.
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 device achieves high surface-tracking flatness with reduced vibration impact, extending equipment lifespan and improving the effectiveness of surfacing processing by maintaining a stable construction under dynamic forces, allowing for wider surfacing treatment areas with minimal power requirements.
Implementation Method 1
the coupling elements are vibration-damping coupling elements which are configured to provide a vibration-damping coupling between the first and second disc
Implementation Method 2
A vibration-damping coupling element can be formed by a block of resilient material, such as rubber
Data Source
Figure 1~1A
Figure 2
Figure 3A~3B
AI summary
The invention relates to a device for processing a hard surfacing, the device comprising a rotatable hammering unit configured to process the hard surfacing under the hammering unit with hammers, the hammering unit comprising a substantially flat first and second disc with a number of hammer wheels on the underside of the second disc, wherein the coupling between the first and second disc is formed by one or more vibration-damping coupling elements. The invention also relates to a method for processing a hard surfacing with a vehicle provided with the device described herein.