Adjustable Mounting Box for Construction Tool Attachments
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Solution Overview
Problem
Construction machines, such as hydraulic excavators, face limitations in adapting attachment tools like fork carriages due to fixed kinematic and load capacities, which restrict optimal performance and require multiple attachments for different tasks.
Innovation Solution
A modular attachment system with two mounting plates that allows the mounting box to be connected in three main angular positions, enabling optimal adaptation to specific construction machines by adjusting the angle via strategically placed fastening bores and an adjusting mechanism, such as a threaded spindle, to accommodate varying stack heights and load capacities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the fork carriage is installed at a specific angular position to achieve greater stack height, then the stacking capacity is improved, but the load capacity near the excavator is reduced
Solution Approach 1:
The mounting box is designed with multiple fastening bores arranged in different angular positions, allowing the angular position of the fork carriage to be dynamically adjusted according to different operational requirements. This enables the system to switch between different kinematic configurations rather than being fixed in one position.
Solution Approach 2:
The invention changes the angular position parameter of the mounting box relative to the mounting plates by providing multiple sets of fastening bores at different angles. This parameter change allows optimization of either stack height or load capacity depending on the selected angular position.
2Adaptability or versatility
If a fixed angular position is used for the mounting box, then the device structure is simplified, but the adaptability to different construction machine requirements is reduced
Solution Approach 1:
The mounting structure is segmented into multiple discrete angular positions through the provision of separate fastening bore sets. Each set corresponds to a specific angular position, allowing selective assembly based on requirements without requiring a continuously adjustable complex mechanism.
Solution Approach 2:
The mounting box is designed to serve multiple functions by accommodating different angular positions, making it universally adaptable to various construction machine requirements. A single mounting box design can optimize for stacking, load capacity, or intermediate performance depending on the selected angular position.
3Adaptability or versatility
If multiple different attachments are provided for different tasks, then the optimal performance for each task is achieved, but the device complexity and cost increase
Solution Approach 1:
The mounting box is designed as a multi-functional component that can perform different optimization roles (stacking optimization, load capacity optimization, or intermediate performance) depending on its angular position. This eliminates the need for multiple separate attachments by making one attachment capable of serving multiple functions.
Solution Approach 2:
The system transitions from a static fixed-position mounting to a dynamically adjustable mounting system. The mounting box can be repositioned to different angular positions to match different task requirements, providing the flexibility previously requiring multiple attachments.
Data Source
Figure 1~3a
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Figure 7~8
AI summary
Mounting tool has a retainer over which the mounting tool is connected with a rapid-exchange adapter. The retainer consists of two supporting plates. A supporting box (30) with a predetermined angularity relative to the mounting tool is connected with the supporting plates. The rapid-exchange adapter is coupled at the supporting box.