Cantilever Boom Mounting for Telehandler Reach and Maneuverability
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Solution Overview
Problem
Existing telehandlers with fixed or articulated frames face limitations in maneuverability, stability, and reach due to their design, leading to inefficient load positioning and large turning radii, especially when carrying loads.
Innovation Solution
A telehandler with a cantilever boom mounting and integrated control and stability management system that allows for extended reach, improved maneuverability, and enhanced load positioning through articulated steering and telescoping capabilities, utilizing sensors and controllers to manage stability and load positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a fixed frame design with four steerable wheels is used, then high capacity and ultra-high capacity are achieved, but large turning radii and limited maneuverability result
Solution Approach 1:
The frame is divided into a front frame and a rear frame that can articulate relative to each other about a vertical axis. This segmentation allows the front and rear sections to steer independently, reducing the turning radius while maintaining the high capacity lifting capability of the overall machine.
2Power
If traditional four-wheel steering is used, then high capacity is achieved, but the ability to correct load position is lost
Solution Approach 1:
The boom is made dynamically adjustable with telescopic sections that can extend and retract, and articulation joints that allow angular movement. This dynamic capability enables the operator to correct load position by adjusting the boom configuration rather than requiring backup maneuvers, while maintaining high lifting capacity.
3Ease of operation
If a short boom is mounted in front of the operator cab, then better steering capabilities are achieved, but extended reach and functionality are limited
Solution Approach 1:
The boom incorporates telescopic sections that nest within each other, allowing the boom to extend to great lengths while maintaining a compact stowed configuration. This nested structure enables extended reach for loading/unloading operations while preserving the articulation and steering capabilities needed for maneuverability.
4Ease of operation
If the frame is articulated, then steering capabilities are improved, but variable stability ratings occur between straight and articulated positions
Solution Approach 1:
The stability management system continuously monitors the articulation angle between front and rear frames, boom position, and load conditions. Based on this feedback, the system dynamically adjusts operational parameters and provides guidance to the operator to maintain stable operation across all articulation positions, ensuring consistent stability ratings whether the frame is straight or articulated.
Data Source
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AI summary
A telehandler (10) includes a fixed or articulated frame having a front frame segment (12) and a rear frame segment (18) separated by a connecting point (20). A cantilever support (26) extends from a fixing point on the front frame segment (12) aft beyond the connecting point (20) to a boom support (28) adjacent a distal end. A boom (30) is pivotably secured at a boom pivot (32) to the boom support (28).