Swing-Arm Cleaning Assembly for Adaptive Mopping Device Positioning
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Solution Overview
Problem
Existing cleaning robots lack adaptability due to their inability to lift and maintain a mopping device in a lift position, hindering self-cleaning capabilities and overall efficiency.
Innovation Solution
A cleaning assembly featuring a movable cleaning device coupled to a swing arm and mounting base, allowing vertical movement and self-adaptive floating, facilitated by an elastic member storing potential energy for automatic return, enhancing the robot's adaptability and cleaning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mopping device is fixed to the cleaning robot, then the structure is simple and stable, but the cleaning robot cannot lift the mopping device to a lift position, reducing adaptability
Solution Approach 1:
The mopping device is transformed from a fixed structure to a dynamic one through the introduction of a swing arm mechanism. The swing arm can pivot between a cleaning position and a lift position, allowing the mopping device to adapt to different operational states. This dynamic configuration enables the cleaning robot to lift the mopping device when needed while maintaining structural simplicity through the use of a single pivot connection.
2Adaptability or versatility
If the mopping device is made movable to improve adaptability, then the cleaning robot can lift and position the device, but the structure becomes more complex
Solution Approach 1:
The mopping device is segmented into distinct functional components: the mopping module, the swing arm, and the mounting base. This segmentation allows each component to perform its specific function independently while simplifying the overall structure. The swing arm acts as a separate linkage element that provides the necessary movement without requiring a complex actuation system.
Solution Approach 2:
The swing arm mechanism is designed to utilize the robot's own movement and gravity to achieve positioning. When the robot moves forward, the swing arm naturally swings to the cleaning position due to inertia and gravity. When the robot needs to return for self-cleaning, the swing arm automatically lifts to the lift position, reducing the need for additional actuators and control systems.
3Productivity
If the cleaning device cannot be lifted, then the structure remains simple, but the robot cannot make rapid returns for self-cleaning, reducing productivity
Solution Approach 1:
The swing arm provides rapid transition between cleaning and lift positions, enabling the robot to quickly return to the docking station for self-cleaning operations. The dynamic nature of the swing arm allows it to respond instantly to the robot's movement changes, eliminating the need for complex lifting mechanisms while improving productivity.
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 solution enables the cleaning robot to adapt to different surfaces and environments, improving its ability to perform self-cleaning and reducing obstruction during non-cleaning operations, thus enhancing its overall adaptability and operational flexibility.
Implementation Method 1
an elastic member acting on the swing arm and configured to store elastic potential energy when the cleaning device moves upward, and the cleaning device is returned downward under actions of a gravity of the cleaning device and a release of the elastic potential energy
Implementation Method 2
the cleaning device is returned downward under actions of a gravity of the cleaning device and a release of the elastic potential energy
Data Source
Figure 1
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AI summary
A cleaning assembly includes a cleaning device, a mounting base, and a swing arm. The cleaning device is movable in a vertical direction, and a positioning part is provided on the cleaning device. The mounting base is located at one side of the cleaning device. The swing arm has one end pivotally connected to the mounting base and another end connected to the positioning part. The swing arm is configured to swing with a vertical movement of the positioning part.