Multi-functional cargo transfer vehicle and method

A multi-functional cargo transfer vehicle, comprising

• a vehicle body (1),
• a cargo conveying rack (2),
• a lifting mechanism (3), and
• a control system (4),
• wherein the vehicle body (1) is located at a lower part of the multi-functional cargo transfer vehicle and provides a platform to support the cargo conveying rack (2), the lifting mechanism (3), and the control system (4);
• the cargo conveying rack (2) is located above the vehicle body (1) and comprises a plurality of layers for loading and unloading cargos;
• the lifting mechanism (3) is for lifting the cargo conveying rack (2);
• the control system (4) is located on the vehicle body (1) for controlling automatic loading and unloading of the cargos, omni-directional driving, and precise docking of the multi-functional cargo transfer vehicle;
• the cargo conveying rack (2) comprises brackets (21), apron boards (22), and a plurality of corresponding motors (23), driving shafts (24), and guide wheels (25), wherein the motors (23), the driving shafts (24), and the guide wheels (25) are mounted inside the brackets (21), and the driving shafts (24) are respectively connected with the corresponding motors (23) through speed reducers (46) and with the corresponding guide wheels (25) through keys (47), the motors (23) are adapted to control movement of the cargos in and out of the brackets (21) through the corresponding driving shafts (24) and the guide wheels (25) as the driving shafts (24) drive the corresponding guide wheels (25) to rotate under an action of the corresponding motors (23) to move the cargos on the brackets;
• the brackets (21) are multi-layered for arranging a plurality of cargoes and comprise a left side bracket (211), a middle bracket (212), and a right side bracket (213) on each layer lengthwise along the vehicle, a bottom of the brackets (21) is connected with the lifting mechanism (3), the brackets (21) are driven by the lifting mechanism (3) to move vertically, the left side bracket (211) is provided with two columns of cargo conveying grooves with horizontal inclination angles of 3° to 10° and −3° to −10°, the middle bracket (212) is provided with a cargo conveying groove with a horizontal inclination angle of 0°, and the right side bracket (213) is provided with two columns of cargo conveying grooves with the horizontal inclination angles of 3° to 10° and −3° to −10°;
• and
• the apron boards (22) are mounted in front, rear, left, and right sides of the brackets (21) for preventing the cargo from falling off.