Multifunctional construction site cleaning robot and cleaning method using same
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Solution Overview
Problem
Existing construction site cleaning robots are limited in functionality, unable to effectively remove building debris, slurry agglomerates, weeds/shrubs, fallen leaves, dust, and accumulated water, and lack recycling capabilities for iron pieces, while also being inefficient in space utilization and stair navigation.
Innovation Solution
A multifunctional construction site cleaning robot equipped with a chassis, rotatable function part, debris treatment, container exchange, spray, and water transfer systems, incorporating a sweeper, cutter, leaf remover, iron remover, and extensible water pumping units, allowing for comprehensive cleaning and recycling tasks, and capable of stair navigation using mecanum wheels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single function module is used for cleaning, then the device structure is simple, but it cannot meet the diverse cleaning needs of construction sites (slurry agglomerates, weeds, fallen leaves, accumulated water, flying dust, and iron pieces)
Solution Approach 1:
The cleaning robot integrates multiple function modules including a sweeper unit for slurry agglomerates, a cutter unit for weeds/shrubs, a leaf remover unit for fallen leaves, an iron remover unit for iron pieces, and a spray part for dust suppression. Each module is detachably mounted on the rotatable cross bracket unit, allowing the single robot to perform diverse cleaning tasks appropriate for different construction site conditions.
2Productivity
If multiple function modules are integrated into one robot, then cleaning efficiency improves, but the robot size increases and space utilization deteriorates
Solution Approach 1:
The robot employs a rotatable cross bracket unit that allows different function modules to be detachably mounted and reconfigured based on specific cleaning needs. This segmentation enables the robot to maintain a compact form factor while integrating multiple specialized units, as only the required modules are mounted during each operation rather than carrying all modules simultaneously.
Solution Approach 2:
The rotatable cross bracket unit utilizes rotational movement to position different function modules in space, effectively using the spatial dimension to manage multiple modules without increasing the robot's base volume. The modules can be rotated into position as needed, optimizing space utilization while maintaining access to multiple cleaning functions.
3Adaptability or versatility
If traditional wheels are used for movement, then the structure is simple, but the robot cannot climb stairs
Solution Approach 1:
The robot uses mecanum wheels with adjustable orientations that can dynamically change their rotation axes. During stair climbing, the wheels can rotate to align with the stair incline, providing the necessary mechanical advantage to ascend steps. This dynamic adaptability allows the robot to transition from flat surface navigation to stair climbing without requiring completely different wheel mechanisms.
4Productivity
If manual cleaning is used, then the equipment cost is low, but cleaning is time-consuming and labor-intensive
Solution Approach 1:
The robot autonomously navigates the construction site, detects various types of debris, and applies the appropriate cleaning function module without human intervention. The system self-manages the cleaning process by selecting and deploying the correct module (sweeper, cutter, leaf remover, or iron remover) based on the detected debris type, eliminating the need for manual cleaning operations while maintaining high cleaning speed.
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
Enhances cleaning efficiency and environmental quality by integrating various functions, reducing robot size through modular design, and enabling stair climbing, improving debris handling and recycling capabilities.
Implementation Method 1
an electromagnetic roller configured to remove recyclable iron pieces on a construction site
Implementation Method 2
a pulverizing unit and a compression unit being used in combination for pulverizing and compacting the debris in the debris container
Implementation Method 3
a pulverizing unit and a compression unit being used in combination for pulverizing and compacting the debris in the debris container
Implementation Method 4
a spray part, mounted on the other side of the multi-openable-door support plate unit and configured to prewet or dedust the construction site
Implementation Method 5
the extensible water pumping unit being configured to pump accumulated water from a bottom of a pit to the ground
Data Source
AI summary
A multifunctional construction site cleaning robot and a cleaning method using the same are provided. The robot includes a chassis part; a bottom rotatable function part, including a sweeper unit, an iron remover unit, a leaf remover unit and a cutter unit; a debris treatment part, including a compression unit, a debris container and a pulverizing unit; a container exchange part, including a movable gripper unit and openable containers, the openable containers being configured to contain sundries collected by the sweeper unit and the iron remover unit; a spray part, configured to prewet or dedust a construction site; and a water transfer part, including an extensible water discharging unit and an extensible water pumping unit, the extensible water discharging unit being configured to pump accumulated water, and the extensible water pumping unit being configured to pump accumulated water from a bottom of a pit to the ground.