Front Loader Radial Indicator for Bucket Attitude Visibility
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Solution Overview
Problem
Existing front loaders on working vehicles, such as tractors, lack an efficient mechanism for easily checking the attitude of the bucket during operation, as the worker's view is often obstructed by the vehicle's bonnet.
Innovation Solution
A front loader system with an indicator that includes a first structural assembly fixed to the working tool cylinder and a second structural assembly that moves relative to it, displaying the bucket's rocking state through adjustable displays, allowing easy visual confirmation of the bucket's attitude.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional indicator mechanism is used, then the structure is simple, but the worker cannot easily check the bucket attitude due to obstruction by the vehicle bonnet
Solution Approach 1:
The indicator mechanism utilizes the radial dimension by positioning the indicator rod along the radius of the bucket's rocking motion. The indicator display is arranged radially outward from the rocking shaft, allowing the worker to view the bucket attitude from a position that is not obstructed by the vehicle bonnet. This dimensional arrangement enables clear visibility of the indicator while maintaining a relatively simple mechanical structure.
2Adaptability or versatility
If the indicator position is fixed, then the structure is simple, but it cannot adapt to different working tool types and assembly errors
Solution Approach 1:
The indicator rod is designed to be movable relative to the rocking shaft, allowing dynamic adjustment of the indicator position. The indicator rod can slide along the radial direction and be positioned at different locations depending on the working tool type and assembly variations. This dynamic positioning capability enables the same indicator mechanism to adapt to different working tools while maintaining a relatively simple overall structure.
Solution Approach 2:
The indicator mechanism allows for easy manual adjustment by the worker or installer without requiring complex adjustment mechanisms. The indicator rod can be freely positioned along the radial direction to compensate for assembly errors or to optimize visibility for different working tools. This self-adjustable feature provides versatility while keeping the device structure simple.
3Adaptability or versatility
If the interlock length is increased, then the display can be positioned more flexibly, but the aesthetic appearance and strength are compromised
Solution Approach 1:
Instead of increasing the interlock length in the axial direction, the solution utilizes the radial dimension by allowing the indicator rod to extend radially outward from the rocking shaft. This radial extension provides flexible display positioning without requiring a longer axial interlock, thereby maintaining both the strength and aesthetic appearance of the interlock while achieving the desired positioning flexibility.
Data Source
AI summary
A front loader includes a boom to which a bucket is coupled, a bucket cylinder to rock the bucket with respect to the boom, and an indicator to display a rocking state of the bucket. The indicator includes a first structural assembly that is not relatively movable with respect to the bucket cylinder, and a second structural assembly that is relatively movable with respect to the first structural assembly along with rocking of the bucket, and capable of displaying the rocking state of the bucket according to a relative positional relationship with the first structural assembly.