Balanced Lifting Arms for Horizontal Cargo Box Transfer
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Solution Overview
Problem
Traditional logistics vehicle lifting methods for cargo boxes result in unstable lifting due to unbalanced loading, leading to safety hazards and inefficiencies in loading and unloading processes, as the center of gravity shifts during lifting, causing the box to incline and requiring manual positioning of vehicles for effective butt joint.
Innovation Solution
A balanced lifting device with opposing lifting arms, each comprising a balance arm and an actuating arm, driven by a first drive device to maintain a horizontal state, ensuring stable lifting by forming four hooking points in the same horizontal plane, and a vehicle-mounted exchange box system with sensors and telescopic butt-joint devices for precise control and automation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional lifting arms with lifting ropes are used to lift cargo boxes, then the lifting function is achieved, but the center of gravity shifts during lifting causing the box to incline and become unstable
Solution Approach 1:
The lifting system is divided into multiple independent lifting arms (at least two) arranged opposite to each other, each with its own drive device. This segmentation allows independent control of each lifting arm to maintain balance and prevent box inclination during lifting operations.
Solution Approach 2:
The system incorporates sensors (such as level sensors or inclination sensors) to detect the horizontal state of the balance arm or the box during lifting. This feedback is used by the control device to adjust the lifting arms in real-time, ensuring the box remains horizontal and stable throughout the lifting process.
2Productivity
If manual positioning of vehicles is used for butt joint with cargo boxes, then the lifting operation can be performed, but the process requires significant time and reduces vehicle utilization rate
Solution Approach 1:
The system uses sensors to automatically detect the position of the cargo box and the lifting arm to perform butt joint operations without manual intervention. The automated detection and adjustment capabilities enable the system to self-align and self-position, eliminating the need for manual vehicle positioning and significantly reducing operation time.
Solution Approach 2:
Manual mechanical positioning operations are replaced with automated sensor-based detection and control systems. The sensors detect positions and the control device automatically adjusts the lifting arms, substituting human-operated mechanical positioning with an automated electromechanical system that is faster and more precise.
3Adaptability or versatility
If lifting arms are installed on logistics vehicles to enable independent handling, then vehicle utilization improves, but the complexity of the lifting system increases
Solution Approach 1:
The lifting arms are designed with universal functionality to perform multiple operations including lifting, balancing, and automated positioning. The system can handle different cargo box configurations and scenarios, making the complex structure justifyable through its multi-functional capabilities that improve overall vehicle adaptability and independent handling.
Solution Approach 2:
Multiple functions are merged into an integrated lifting system: the lifting arms provide both lifting capability and balance maintenance, while sensors and control devices are combined to enable automated detection and adjustment. This merging reduces the need for separate systems for each function, optimizing the overall complexity while maintaining versatility.
4Adaptability or versatility
If unbalanced loading of cargos in the box occurs, then cargo transport is flexible, but the box becomes unstable during lifting creating safety hazards
Solution Approach 1:
The system uses balance arms with drive devices that can counteract the effects of unbalanced cargo loading. By independently adjusting each lifting arm, the system creates counterbalancing forces that compensate for uneven weight distribution, maintaining box stability and preventing inclination even when cargo is unbalanced, thus ensuring lifting safety.
Solution Approach 2:
Sensors detect the inclination or horizontal state of the box during lifting, providing real-time feedback to the control device. When unbalanced loading causes inclination, the feedback signal triggers automatic adjustment of the lifting arms to restore balance, ensuring safety despite flexible cargo loading configurations.
Data Source
AI summary
A balanced lifting device comprises at least two lifting arms arranged opposite to each other, each lifting arm comprises a balance arm and an actuating arm driving the balance arm to move, the balance arm is rotatably connected to the actuating arm at a rotatably connected part, and a first drive device is arranged between the balance arm and the actuating arm to drive the balance arm to a horizontal state throughout the lifting process. A vehicle-mounted exchange box system and a multi-oil cylinder synchronization method are also provided in the present invention. A cargo box may be lifted stably to improve the operation safety, the vehicle utilization rate is improved by saving the waiting time for loading and unloading in the transfer process.