Hydraulic Stabilizers for High-Clearance Vineyard Machine Stability
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Solution Overview
Problem
High-clearance straddle-type machines used in vineyards lack stability, particularly on sloping ground, due to a high center of gravity, which increases the risk of overturning.
Innovation Solution
The machine is equipped with independent hydraulic telescopic stabilizers that can deploy horizontally and pivot around a horizontal axis, with motor-activated extension and retraction capabilities, allowing for transverse movement and a 90° pivoting angle, and features blades for increased ground contact, effectively lowering the center of gravity and enhancing stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the frame is raised to high clearance, then the machine can step over vegetation and navigate vineyard roads, but the center of gravity increases and lateral stability deteriorates
Solution Approach 1:
The patent applies dynamics by making the stabilizers movable rather than fixed. The stabilizers can be deployed horizontally during work operations to provide lateral support, and retracted during transport. This dynamic adjustment allows the machine to maintain high frame clearance while achieving stability when needed.
Solution Approach 2:
The patent introduces another dimension of stability by adding stabilizers that extend laterally from the frame. These stabilizers create a wider base of support in the lateral dimension, compensating for the high center of gravity created by the raised frame, without compromising the vertical clearance needed for vineyard navigation.
2Length of moving object
If the frame is raised to high clearance, then the machine can navigate vineyard roads, but the risk of overturning on sloping ground increases
Solution Approach 1:
The stabilizers are designed to be dynamically deployable, allowing the operator to extend them when working on sloping ground to prevent overturning. The motor means enable quick deployment and retraction, providing reliability when needed without compromising navigation capability.
Solution Approach 2:
The stabilizers act as intermediary elements between the high frame and the ground. They provide an additional contact point with the ground that helps distribute forces and prevent overturning on slopes, mediating between the high center of gravity and the terrain.
3Stability of the object's composition
If independent hydraulic telescopic stabilizers are added, then stability on uneven terrain improves, but device complexity increases
Solution Approach 1:
The patent uses hydraulic telescopic stabilizers with motor means for deployment. The hydraulic system provides powerful, controlled extension and retraction of the stabilizers, enabling stable operation on uneven terrain while keeping the control mechanism relatively simple and reliable.
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
The solution significantly improves stability on uneven terrain, preventing tilting and overturning, even on sloping ground, by dynamically adjusting stabilization based on terrain conditions and anchoring the machine securely.
Implementation Method 1
at least two hydraulic telescopic stabilizers independent of each other, each designed capable of being deployed horizontally and coming to rest on the ground through pivoting means around a horizontal axis and under the action of motor means
Implementation Method 2
coming to rest on the ground through pivoting means around a horizontal axis
Implementation Method 3
the stabilizers are equipped, each at their free end, with a blade oriented in a substantially vertical plane and perpendicular to the main longitudinal axis of the stabilizer which carries it
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to a motorized and mobile work machine (1), equipped with a hydraulic tool-carrying arm (2), intended for use in a field of crops such as vineyards, comprising a straddle chassis (3) on which rolling means (4) are fixed. This machine (1) is characterized in that said chassis (3) comprises at least two independent hydraulic telescopic stabilizers (5), each designed to be deployed horizontally and to bear against the ground by means of pivoting means (6) around a horizontal axis (7) and under the action of drive means.