Multi-Winch Lifting Tool Attitude Control via Distributed Tension
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Solution Overview
Problem
Existing lifting equipment using ropes and hooks often results in instability and safety hazards due to concentrated vertical forces causing objects to rotate and tilt during lifting.
Innovation Solution
A lifting tool with multiple winch units and a load-bearing device, featuring a planetary or bevel gear transmission mechanism, fluid power devices, and an attitude adjustment system using sensors and controllers to maintain stability and balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single hook and rope are used for lifting, then the structure is simple, but the object rotates and tilts causing instability
Solution Approach 1:
The lifting device is divided into multiple independent winch units (at least two), each capable of independently controlling rope tension. This segmentation allows distributed force application at multiple attachment points on the load, preventing rotation and tilting while maintaining structural simplicity through modular design.
2Stability of the object's composition
If multiple winch units are used to distribute forces, then lifting stability is improved, but the device complexity increases
Solution Approach 1:
Multiple winch units are integrated onto a single load-bearing device platform, sharing common structural support, power supply, and control systems. This merging approach distributes lifting forces across multiple points for improved stability while consolidating complex components to minimize overall device complexity.
Solution Approach 2:
The load-bearing device serves multiple functions: it supports multiple winch units, provides a common power supply system, integrates control electronics, and offers a stable mounting platform. This multi-functionality reduces the need for separate components, thereby improving lifting stability without proportionally increasing device complexity.
3Device complexity
If vertical forces are concentrated on one hook, then the lifting mechanism is simple, but the object cannot maintain balance
Solution Approach 1:
The lifting system transitions from a static single-point suspension to a dynamic multi-point suspension system. Each winch unit can independently adjust rope length and tension in real-time, enabling active balance control and stabilization of the load during lifting operations, thereby improving ease of operation without excessive complexity.
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 lifting tool ensures stability and balance by distributing vertical forces across multiple points, preventing tilting, and allowing real-time attitude adjustments for precise control and safety.
Implementation Method 1
the transmission mechanism is a planetary gear mechanism, in which a sun gear of the planetary gear mechanism is installed on an output end of the motor, a gear ring of the planetary gear mechanism is integrated with an inner side of the winch body, and a planetary gear of the planetary gear mechanism meshes with the gear ring
Implementation Method 2
the transmission mechanism is a bevel gear mechanism, which includes a first bevel gear installed on an output end of the motor; the winch body is installed with a flange surrounding the winch body, and the flange is a second bevel gear provided with teeth
Implementation Method 3
the motor transmits power to the winch body through the transmission mechanism to drive the winch body to rotate
Implementation Method 4
one end of the rope is wound around the winch body, and the other end of the rope is connected to a lifting and loading device
Data Source
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AI summary
A lifting tool (10) includes a load-bearing device (100) and a plurality of winch units (200) installed on the load-bearing device. The winch unit (200) includes a winch body (210), a rope (220), a motor (230), and a transmission mechanism (240). The motor (230) transmits power to the winch body (210) through the transmission mechanism (240) to drive the winch body (210) to rotate. One end of the rope (220) is wound around the winch body (210), and the other end of the rope (220) is connected to a lifting and loading device.