Multifunctional construction site cleaning robot and cleaning method using same

A multifunctional construction site cleaning robot, comprising:

• a chassis part, comprising a multi-openable-door support plate unit that supports multiple doors and three-wheel units mounted at four corners of the multi-openable-door support plate unit, and configured to drive the whole robot to move on ground and climb stairs;
• a bottom rotatable function part, mounted at a middle position of a bottom of the multi-openable-door support plate unit, and comprising a rotatable cross bracket unit, and a sweeper unit, an iron remover unit, a leaf remover unit and a cutter unit that are detachably mounted on the rotatable cross bracket unit, the cutter unit and the sweeper unit are configured to be used in combination for cutting and cleaning away cement agglomerates or weeds/shrubs, the iron remover unit is configured to remove recyclable iron pieces on a construction site, and the leaf remover unit is configured to remove light and small debris on the construction site;
• a debris treatment part, mounted on one side of the multi-openable-door support plate unit and connected to the leaf remover unit, and comprising a compression unit, a debris container and a pulverizing unit, the pulverizing unit and the compression unit are configured to be used in combination for pulverizing and compacting debris in the debris container;
• a container exchange part, mounted on the multi-openable-door support plate unit and comprising a movable gripper unit and two openable containers, the movable gripper unit is configured to exchange positions of the two openable containers, and the openable containers are configured to contain sundries collected by the sweeper unit and the iron remover unit;
• 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;
• and
• a water transfer part, mounted on an edge of the multi-openable-door support plate unit close to the spray part and comprising an extensible water discharging unit and an extensible water pumping unit, the extensible water discharging unit is configured to pump accumulated water from an inside to an outside of a building, and the extensible water pumping unit is being configured to pump the accumulated water from a bottom of a pit to the ground;
• wherein
• the multi-openable-door support plate unit comprises first gear slots, first gear motors, a first openable door, first steel angles, two openable doors, second gear slots, second gear motors, four second steel angles, a steel plate, a circular opening and four perforated steel plates;
• wherein the two first steel angles are welded on two sides of a water tank slot of the steel plate, the first openable door is movable along grooves formed by the first steel angles, the two first gear motors are fixed to two slots on the first openable door, and a gear output shaft of the first gear motor meshes with the first gear slot;
• the four second steel angles are fixed on two sides of container slots with two on each side of the container slots, a second of the two openable doors is movable along grooves formed by the second steel angles, the second gear motor is fixed to the second of the two openable doors, a gear output shaft of the second gear motor meshes with the second gear slot, and the four perforated steel plates are respectively fixed to four corners of the steel plate;
• the three-wheel units each comprise mecanum wheels, three-wheel unit first motors, a three-shaft link and a three-wheel unit second motor, the three three-wheel unit first motors are fixed to three corners of the three-shaft link, the three mecanum wheels are respectively connected to output shafts of the three-wheel unit first motors, the three-wheel unit second motor is fixed to the perforated steel plate, and an output shaft of the three-wheel unit second motor is connected to a center of the three-shaft link;
• when the cleaning robot travels on a flat surface, two of the mecanum wheels are on the ground, and by controlling speeds of the three-wheel unit first motors of the two mecanum wheels on the ground, the cleaning robot is capable of moving back and forth, moving laterally, moving diagonally and rotating in place;
• a front wall of a box shaped container of the openable container sequentially comprises an aluminum box, an aluminum box slot and aluminum box handles from bottom to top, and a back side sequentially comprises aluminum box gear slots, aluminum box gear motors, an aluminum box baffle and aluminum box steel angles from top to bottom;
• the two aluminum box handles are welded to the aluminum box to facilitate gripping by the gripper unit, the two aluminum box steel angles are fixed to the aluminum box, the aluminum box baffle is movable along slots of the aluminum box steel angles, the aluminum box gear motors are fixed to slots of the aluminum box baffle, and a gear output shaft of the aluminum box gear motor meshes with the aluminum box gear slot;
• and the aluminum box gear motors are configured to control the aluminum box baffle to move up or down.