Self-locking Plunger for Isolation Damper Stability
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Solution Overview
Problem
Existing load leveling systems for variable weight loads on isolation damper-based platforms face instability due to overtightening of bolts, which can lead to instability during both static and dynamic conditions.
Innovation Solution
A self-locking structure comprising an enclosure and a plunger assembly with locking fingers that engage with locking apertures on the enclosure, allowing the upper platform to move vertically with the plunger assembly and compress isolation dampers, providing securement and stability by locking the upper platform relative to the lower platform upon compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual bolting is used to secure the lower platform to the lower support platform, then the load can be stabilized on the platform, but overtightening of the bolts can result in instability of the variable weight load
Solution Approach 1:
The locking finger automatically engages with the locking aperture when the isolation damper compresses under load, eliminating the need for manual bolting operations. The system self-regulates based on the compression force, preventing both under-tightening and overtightening conditions that plague manual assembly methods.
Solution Approach 2:
The patent replaces the manual bolt-and-nut mechanical fastening system with a spring-loaded locking finger mechanism that automatically engages with a locking aperture. This substitution eliminates the need for operators to manually tighten bolts while maintaining secure attachment through the self-actuating locking mechanism.
2Manufacturing precision
If isolation dampers are used to compensate for variable weight loads, then the load can be leveled on the platform, but manual bolting is required which can cause instability
Solution Approach 1:
The locking finger is pre-positioned and spring-loaded within the enclosure, ready to automatically engage with the locking aperture as soon as the isolation damper reaches its compressed state. This preliminary positioning ensures that the locking action occurs precisely at the correct compression point, maintaining leveling precision without compromising stability.
Solution Approach 2:
The locking mechanism provides inherent feedback through the spring-loaded locking finger that automatically responds to the compression force of the isolation damper. When the damper compresses to the appropriate level, the locking finger is forced into the locking aperture, providing real-time feedback that the correct compression and leveling have been achieved, eliminating the need for manual judgment and re-adjustment.
3Reliability
If each corner is manually bolted down subsequent to compression, then the platform can be secured, but the process is time-consuming and prone to human error
Solution Approach 1:
The locking mechanism performs the entire securing operation automatically based on the physical state of the isolation damper compression. Each corner independently self-locks when compressed, eliminating the need for sequential manual bolting operations and significantly reducing assembly time while maintaining securement reliability.
Solution Approach 2:
The locking system is segmented into independent corner units, each with its own isolation damper and locking mechanism. This segmentation allows each corner to operate autonomously and simultaneously, rather than requiring sequential manual operation, thereby increasing productivity while ensuring each corner is independently and reliably secured.
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 self-locking structure ensures stability and isolation at each corner of the platform during dynamic conditions by preventing disengagement of locking fingers with the enclosure, thereby maintaining securement and preventing overtightening issues.
Implementation Method 1
at least one isolation damper is disposed between a top surface of the lower platform and a bottom surface of the upper platform configured to compress under a load applied to a top surface of the upper platform
Data Source
AI summary
A self-locking structure includes an enclosure and a plunger assembly, where plunger assembly is movable within the enclosure in a vertical direction. An upper platform coupled to the plunger assembly, where the upper platform is configured to move in the same vertical direction as the plunger assembly. A lower platform coupled to the enclosure, where at least one isolation damper is disposed between a top surface of the lower platform and a bottom surface of the upper platform configured to compress under a load applied to a top surface of the upper platform. The plunger assembly includes a first locking finger, where the first locking finger is configured to engage with a first locking aperture of the enclosure when the at least one isolation damper is compressed under the load applied to the top surface of the upper platform.