Telescopic Boom Vertical Stacking for Crane Load Capacity
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Solution Overview
Problem
Telescopic boom cranes face challenges in maximizing space utilization and load-carrying capacity while preventing collisions between components during road travel and operation, as existing designs struggle to efficiently accommodate all components within the limited dimensions allowed by road traffic licensing regulations.
Innovation Solution
The telescopic boom design features at least one main telescopic part and one additional telescopic part arranged above each other, with the additional part being wider than the main part, allowing them to bound either separate or common hollow spaces, and utilizing bolt connections and bearing elements to distribute forces and prevent collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If telescopic boom cranes use conventional single-part telescopic sections, then the structure is simple, but the load-carrying capacity and space utilization are insufficient
Solution Approach 1:
The telescopic section is divided into a main telescopic part and at least one additional telescopic part arranged above one another. This segmentation allows each part to be optimized independently - the main part provides structural strength while the additional part extends the boom length, thereby increasing load-carrying capacity without excessive complexity
Solution Approach 2:
The additional telescopic part is arranged vertically above the main telescopic part rather than extending horizontally. This vertical arrangement utilizes the height dimension to achieve longer boom lengths while maintaining a compact horizontal footprint, improving space utilization without significantly increasing structural complexity
2Strength
If the additional telescopic part is made wider to increase load capacity, then the load-carrying capacity improves, but the width exceeds road traffic licensing limits
Solution Approach 1:
The additional telescopic part is arranged in the vertical dimension above the main telescopic part rather than extending the horizontal width. This allows the boom to achieve greater load-carrying capacity through increased height and structural configuration without exceeding the maximum width limits imposed by road traffic licensing regulations
3Length of moving object
If telescopic sections are designed to maximize boom length, then the working range increases, but the risk of collisions between components increases
Solution Approach 1:
Dividing the telescopic section into main and additional parts arranged vertically creates clear spatial separation between components. This segmentation reduces the likelihood of collisions by ensuring that telescopic parts occupy distinct vertical zones, allowing longer boom lengths to be achieved safely
Solution Approach 2:
The additional telescopic part is positioned within the vertical envelope of the main telescopic part, creating a nested arrangement. This nesting allows the telescopic sections to be stored compactly when retracted and minimizes the risk of collision between parts during extension and retraction operations
Data Source
AI summary
The present disclosure relates to a telescopic boom for a crane, wherein the telescopic sections of the telescopic boom each comprise at least one main telescopic part and at least one additional telescopic part and wherein the main telescopic part and the additional telescopic part are arranged above one another. The disclosure further relates to a crane having a corresponding telescopic boom.