Screen Box Vibration Damper Gap Filling for Safe Inspection
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Solution Overview
Problem
Existing screening machines pose a risk of user injury due to access to vibration dampers during operation, and existing safety measures like enclosures or curtains do not allow continuous visual inspection.
Innovation Solution
The vibration damper is designed with two coupling pieces and damping levers, featuring a gap bridged by a filler piece to prevent access and allow continuous visual inspection, while damping vibrations effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the vibration dampers are shielded with an enclosure to prevent access, then user safety is improved, but the ability to visually inspect the vibration dampers during operation is lost
Solution Approach 1:
A filler piece acts as an intermediary element that bridges the gap area between the coupling piece and damping body. This filler piece prevents direct access to the hazardous gap (improving safety) while its outer surface allows visual inspection of the vibration damper's operational state (maintaining inspectability). The filler piece mediates between the conflicting requirements of safety and visibility.
2Object-affected harmful factors
If curtains are hung in front of the vibration dampers to restrict access, then user safety is improved, but continuous visual inspection cannot be guaranteed
Solution Approach 1:
The filler piece serves as a permanent intermediary structure that continuously blocks access to the gap area while maintaining visual access to the vibration damper components. Unlike curtains that can be lifted, the filler piece provides continuous protection and continuous inspection capability, eliminating the need to compromise safety for inspection purposes.
3Difficulty of detecting and measuring
If the gap area between coupling pieces and damping body is left open, then visual inspection is enabled, but user injury risk from hand trapping increases
Solution Approach 1:
The filler piece is positioned as an intermediary element that fills the hazardous gap area between the coupling piece and damping body. It prevents fingers from reaching into the gap (eliminating the trapping risk) while its outer surface remains visible and allows inspection of the vibration damper's operational state (maintaining visual access).
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
Prevents user injury by blocking access to hazardous areas and enabling continuous visual inspection of the vibration damper, reducing part costs and assembly complexity.
Implementation Method 1
at least one damping element (71.5, 72.5, 73.3) is inserted into the hollow body (71.3, 72.3, 73.1), which serves to dampen the vibrations of the screen box (60) relative to the holder (64.1)
Data Source
Figure 1
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Figure 4~5
AI summary
The invention relates to a screening machine (10) for screening and classifying mineral bulk materials, in particular rock material, or recycled material, with a chassis (11) to which a screen carrier, in particular a screen box (60), is attached, wherein at least one screen lining (20) is replaceably attached to the screen carrier, and wherein at least one vibration damper (70) is effective between the screen carrier and the machine chassis (11).To improve the operational reliability of such a screening machine, the invention provides that the vibration damper (70) has two coupling pieces (71, 72), wherein one coupling piece (72) is connected directly or indirectly to the machine chassis (11) and the other coupling piece (71) is connected directly or indirectly to the screen carrier, wherein a damping lever (74, 75) is pivotably connected to each of the coupling pieces (71, 72), wherein the damping levers (74, 75) are each coupled to a damping body (73) facing away from the coupling pieces (71, 72), wherein a gap area is formed in the distance area between the coupling pieces (71, 72) and the damping body (73), and wherein at least one of the gap areas is bridged at least partially by means of a filling piece (80) connected to the coupling piece (71, 72) or the damping element (73).