Air supply device for excavator cab

• Main Authors: XU JIASHENG, FENG XIANBAO, REN CHUANFENG, ZHU LIHONG, WANG QINGTIAN
• Format: Patent
• Language: Chinese; English
• Published: 17.04.2020
• Subjects: ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES; DREDGING; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; PERFORMING OPERATIONS; SOIL SHIFTING; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses an air supply device for an excavator cab. The invention relates to the technical field of excavator air supply devices. The air supply device comprises a fixing plate, whereinthe lower end of the fixed plate is fixedly connected with an inner gear ring; meshing teeth are arranged on the inner side of the inner gear ring; a first gear is arranged in the inner gear ring; asecond gear is arranged between the inner gear ring and the first gear; the inner side of the second gear is in gear engagement with the first gear; the outer side of the second gear is in gear engagement with the inner gear ring; a connecting shaft is fixedly connected to the middle of the second gear; the connecting shaft penetrates through a gap between an inner check ring and an outer check ring; a mounting plate is fixedly connected to the lower end of the connecting shaft; a second driving motor is fixedly mounted on the mounting plate; and fan blades are fixedly connected to the outer side of an output shaft of