Condenser Door Protection Rail for Refrigerated Trailers
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Solution Overview
Problem
Refrigeration unit access doors on refrigerated trailers are highly susceptible to damage due to their outermost location, rendering maintenance and repair challenging.
Innovation Solution
A protection rail system comprising horizontal and vertical rails, end caps, and advertisement plaques, designed to be universally sized and easily installed, providing structural support and protection to the refrigeration unit and doors, with secure fastening to the trailer's underside using tubular brackets and pilot holes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the refrigeration unit access doors are positioned at the outermost part of the trailer for easy maintenance access, then maintenance and repair become more convenient, but the doors become highly susceptible to damage from external impacts
Solution Approach 1:
The patent introduces a protective rail system as an intermediary element between the access doors and external impacts. The rail assembly includes vertical rails positioned in front of the doors and horizontal rails connecting them, creating a protective barrier that absorbs and deflects impacts before they reach the vulnerable door surfaces, thereby maintaining door integrity while preserving access functionality
2Object-affected harmful factors
If a protective structure is added to shield the refrigeration unit doors, then damage susceptibility decreases, but the device complexity and installation difficulty increase
Solution Approach 1:
The protective structure is divided into modular segments including vertical rails, horizontal rails, end caps, and mounting brackets. Each component is designed as a separate, standardized piece that can be independently manufactured and assembled. The vertical rails are spaced at regular intervals and connected by horizontal rails, creating a segmented framework that provides protection while maintaining structural simplicity and ease of assembly
Solution Approach 2:
The protective rail system is designed with universal mounting capabilities that can accommodate different trailer types and refrigeration unit configurations. The standardized bracket designs and mounting hole patterns allow the same basic structure to be adapted to various applications, reducing overall system complexity while maintaining broad applicability
3Object-affected harmful factors
If a protective structure is added to shield the refrigeration unit doors, then damage susceptibility decreases, but the installation time and effort increase
Solution Approach 1:
The protective rail components are designed with pre-drilled mounting holes and pre-positioned attachment points that align with standard trailer frame locations. The vertical and horizontal rails are pre-assembled into modular sections with integrated mounting brackets, eliminating the need for complex on-site measurements and custom fabrication. This preliminary preparation significantly reduces installation time and simplifies the mounting process to straightforward bolt-on assembly
Data Source
AI summary
A refrigeration trailer condenser protection apparatus having a pair of front rails with connection rods disposed thereon for connecting a street side bracket and a curb side bracket, the street side bracket and curb side bracket having mounting holes for mounting the protection apparatus to a lower side of the condenser unit.