Vibrating Screen Cleaning Mechanism Without a Separate Drive

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Solution Overview

Problem

Existing cleaning devices for ground surfaces like lawns and artificial turfs are often complex and require separate drives for vibrating screens, making them cumbersome and maintenance-intensive.

Innovation Solution

A cleaning device with a frame and a vibrating roller that uses the movement of a drive roller on the ground surface to power the vibrating screen, eliminating the need for a separate drive and incorporating a pre-tensioning element and a cleaning brush for efficient material collection and cleaning, with options for independent drive and adjustable configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a separate drive is used for the vibrating screen, then the cleaning function is reliable and effective, but the device complexity and maintenance requirements increase

Engineering Contradiction:
Improvecleaning function reliabilityVSAvoiddrive system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the drive function for the vibrating screen with the existing drive roller that moves the frame over the ground surface. The drive roller serves dual purposes: propelling the frame forward and driving the vibrating screen through mechanical coupling, thereby eliminating the need for a separate drive motor and reducing overall system complexity while maintaining cleaning effectiveness

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The drive roller is designed to perform multiple functions simultaneously: it acts as both the propulsion mechanism for moving the frame over the ground surface and as the drive mechanism for the vibrating screen. This multi-functionality reduces the number of separate components needed and simplifies the overall device structure

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If a separate drive motor is added for the vibrating roller, then the vibrating motion is reliable, but the weight and complexity of the device increase

Engineering Contradiction:
Improvevibrating motion reliabilityVSAvoiddevice weight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The patent merges the drive function into the existing drive roller structure. The drive roller's rotational motion is mechanically coupled to the vibrating roller, allowing the vibrating motion to be generated without adding a separate heavy motor. This integration maintains reliable vibrating motion while minimizing additional weight

Inventive Principle:
Principle #5Merging (Combining)

3Ease of manufacture

If the cleaning brush depth is fixed, then the structure is simple, but the adaptability to different ground conditions is reduced

Engineering Contradiction:
Improvestructure simplicityVSAvoidground condition adaptability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent implements an adjustable cleaning brush mechanism where the brush depth can be dynamically adjusted using a sliding carriage system. This allows the cleaning brush to adapt to different ground conditions such as varying grass lengths or terrain types, providing versatility while maintaining a relatively simple structural design through the use of adjustable rather than fixed components

Inventive Principle:
Principle #15Dynamics

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 solution simplifies the design, reduces maintenance, and enables effective cleaning of materials on ground surfaces with a reliable and efficient mechanism that adapts to different conditions, allowing for both manual and vehicle-based operation.

Implementation Method 1

at least one drive roller that rests on the ground surface and is coupled with the vibrating roller such that the drive roller causes the vibrating roller to rotate when the frame moves on the ground surface

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

a pre-tensioning element is provided, which is configured to pre-tension the vibrating screen such that the contact element lies against the vibrating roller

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 3

The vibrating roller has an outer surface, in which a plurality of radial elevations are formed

Methodology Applied
Scientific EffectVibration: Vibration

Data Source

PatentUS10212895B2Cleaning device
Publication Date: 2019.02.26 SMG SPORTPLATZMACHINEBAU GMBH
  • US10212895B2 patent drawing
  • US10212895B2 patent drawing

AI summary

A cleaning device with a frame can be driven on a ground surface and with a vibrating screen which is mounted on the frame such that it can be moved to a limited extent and which is connected to a contact element. A vibrating roller is attached to the frame such that it can be rotated about a rotary axis, and it has an outer surface, in which radial elevations are formed. A pre-tensioning element pre-tensions the vibrating screen such that the contact element lies against the vibrating roller.