ROPS Cab Mounting Structure With Vibration Isolation
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Solution Overview
Problem
Existing mounting structures for cab enclosures in construction vehicles, which incorporate rollover protection structures (ROPS), often transmit undesirable vibrations and noise due to their hard connection to the vehicle frame, making service and removal of the cab enclosure difficult due to complex access requirements.
Innovation Solution
A mounting structure utilizing multiple plates, including a cab mounting plate, an intermediate plate, and an adapter plate, with an isolation mount and shock absorber, allowing for relative movement and easy access from inside the cab for service, while maintaining structural rigidity and vibration isolation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a hard connection mounting structure is used to provide structural rigidity for rollover protection, then the structural strength and rigidity are improved, but vibration and noise transmission to the cab enclosure increases
Solution Approach 1:
The patent introduces vibration isolating mounts as intermediary elements between the ROPS mounting structure and the cab enclosure. These mounts act as mediators that decouple the hard structural connection from the cab, allowing force transmission while blocking vibration and noise propagation. The isolating mounts are positioned at multiple mounting points to provide comprehensive vibration isolation while maintaining structural integrity.
2Object-affected harmful factors
If vibration isolating mounts are incorporated to reduce vibration and noise transmission, then operator comfort and equipment protection are improved, but serviceability and ease of cab removal deteriorate
Solution Approach 1:
The mounting structure is segmented into distinct modular components including the ROPS mounting structure, vibration isolating mounts, and cab enclosure. This segmentation allows the isolating mounts to be designed as separate serviceable elements that can be accessed and replaced independently. The modular design enables maintenance personnel to service the vibration isolation system without removing the entire cab or ROPS assembly.
3Strength
If multiple plates and isolation mounts are used to provide both structural rigidity and vibration isolation, then both structural strength and vibration damping are improved, but device complexity increases
Solution Approach 1:
The patent combines multiple functions into integrated mounting components. The vibration isolating mounts are integrated directly into the ROPS mounting structure, eliminating the need for separate isolation components. The mounting structure itself is designed to provide both structural support and vibration isolation pathways, merging the structural and isolation functions into a unified system that reduces overall complexity.
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
Enables easy access and removal of the cab enclosure for service without external access, while providing necessary structural rigidity and vibration damping during rollover events, improving operator comfort and reducing equipment damage.
Implementation Method 1
incorporate vibration isolating mounts in the mounting structures for the ROPS
Implementation Method 2
A mounting structure utilizing multiple plates, including a cab mounting plate, an intermediate plate, and an adapter plate, with an isolation mount and shock absorber
Data Source
AI summary
A mounting structure for mounting a cab enclosure incorporating a ROPS therein to a frame of a construction machine allowing accessibility thereto from inside the cab enclosure. More specifically, the present disclosure provides a mounting structure for a cab enclosure incorporating a ROPS, the mounting structure including an isolation mount therein, the mounting structure providing desired structural rigidity to the ROPS while providing desired vibration damping characteristics to the cab enclosure and while allowing accessibility for service thereto.