Multi-Piece Bumper Assembly for Material Handling Vehicles
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Solution Overview
Problem
Material handling vehicles lack effective obstacle detection systems that can accommodate various sensor configurations and provide easy maintenance access, leading to potential interference with obstacles during operations.
Innovation Solution
A multi-piece bumper assembly for material handling vehicles, featuring side and main bumpers with slots and cutouts to house and protect object detection sensors, allowing for sensor display visibility and maintenance without removing the bumpers, and designed to curve with the vehicle's turning radius to avoid obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sensors are mounted on the vehicle frame, then obstacle detection is enabled, but sensor maintenance and calibration require vehicle disassembly
Solution Approach 1:
The bumper assembly is divided into multiple detachable sections (first bumper section, second bumper section, third bumper section) that can be independently removed. This segmentation allows sensors mounted on the vehicle frame to be accessed by simply removing the relevant bumper section rather than disassembling the entire vehicle structure, thereby improving maintenance accessibility while maintaining overall structural integrity.
2Adaptability or versatility
If a single-piece bumper is used, then manufacturing is simple, but sensor accommodation and maintenance access are limited
Solution Approach 1:
The bumper is segmented into multiple sections that can be manufactured separately using standard manufacturing processes, then assembled together. Each section can be designed to accommodate specific sensor types and configurations, providing flexibility in sensor placement while keeping individual manufacturing steps relatively simple.
Solution Approach 2:
The bumper assembly is designed as a multi-functional component that serves both protective functions (absorbing impacts) and sensor mounting functions. The same bumper sections that protect the vehicle frame also provide mounting surfaces and access paths for sensors, eliminating the need for separate sensor housings or complex integration structures.
3Reliability
If sensors are exposed on the vehicle exterior, then detection coverage is maximized, but sensors are vulnerable to damage
Solution Approach 1:
Sensors are nested within the bumper assembly structure, positioned in recesses or cavities of the bumper sections. This nesting arrangement protects sensors from direct external impacts and environmental damage while maintaining their detection capabilities. The bumper material acts as a protective layer around the sensors, shielding them from physical damage during operation.
Data Source
AI summary
A bumper assembly for a material handling vehicle is provided. The material handling vehicle includes a vehicle frame. The bumper assembly includes a first bumper coupled to a first side of the vehicle frame and having a first slot extending along a portion of the first bumper and a first protruding portion. The first protruding portion extends outwardly at an angle past a plane defined by the first side of the vehicle frame. The bumper assembly further includes a second bumper coupled to a second side of the vehicle frame opposite to the first side and having a second slot extending along a portion of the second bumper and a second protruding portion. The second protruding portion extends outwardly at an angle past a plane defined by the second side of the vehicle frame.