Front Loader Stand Link Operating Mechanism
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Solution Overview
Problem
Front loader stands with strong bending resistance pose a challenge for compact storage, as conventional bending/stretching links may resist bending, leading to difficulties in folding and storing the stand efficiently, thereby obstructing loader operations.
Innovation Solution
Incorporating a link operating mechanism that utilizes the swing force of the bucket to forcibly bend the bending/stretching link, allowing for easier propping and supporting of the stand, even if the link has strong bending resistance, by using a link operating member that presses against the bending/stretching link to release its propping and supporting function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bending/stretching link with strong bending resistance is used to support the stand, then the stand can be reliably propped and supported on the ground, but the link is difficult to bend and fold for compact storage
Solution Approach 1:
A link operating mechanism is introduced as an intermediary device between the bucket and the bending/stretching link. This mechanism includes a link operating member that applies force to the link, mediating the bending action required for folding. The intermediary mechanism transforms the bucket's swing motion into controlled bending force on the link, solving the contradiction between maintaining link strength and enabling easy folding.
2Area of stationary object
If the stand is folded compact for storage, then it does not obstruct loader operations, but the strong bending resistance of the link causes time-consuming folding operations
Solution Approach 1:
The folding operation is transformed from a continuous manual effort into a periodic action driven by the bucket's swing motion. The link operating mechanism converts the periodic swing of the bucket into periodic bending force applied to the link, enabling rapid folding cycles. This reduces the time required for folding while maintaining the compact storage position.
3Device complexity
If a conventional bending/stretching link is used without additional operating mechanisms, then the structure remains simple, but the link cannot be bent easily when it has strong bending resistance
Solution Approach 1:
The bucket is given a dual function: it serves both as the loading tool and as the power source for operating the link mechanism. The swing force of the bucket, which is already part of the loader's normal operation, is utilized to drive the link operating mechanism. This multi-functionality approach adds minimal complexity while significantly improving link bending ease.
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
Enables the stand to be raised smoothly and efficiently, facilitating quicker loader operation and storage by simplifying the structural design and leveraging the bucket's swing force to overcome bending resistance.
Implementation Method 1
a link operating mechanism that is provided spanning the bucket and the stand, and is configured to cause, using a swing force of the bucket, the bending/stretching link to bend
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
The front loader comprises a boom (12) configured to be removably coupled to a vehicle body (1); a bucket (13) supported at a front end of the boom; a stand (21) configured to support the boom (12), when removed from the vehicle body, in a state in which the bucket is engaged on the ground; a bending/stretching link (22) that is provided spanning the boom (12) and the stand (21), and is configured to prop and support the stand in a state in which the stand is engaged on the ground; and a link operating mechanism (23) that is provided spanning the bucket and the stand, and is configured to cause, using a swing force of the bucket, the bending/stretching link (22) to bend so that the propping and supporting of the bending/stretching link are released.