Fresh air device for tunnel construction

• Main Authors: RAO GEN, HU JIANDONG, CHENG PEICHUAN, QIN JINXING, ZHANG CHUNGANG, XIE ZHIHUI, XIAO HAN, WEI YE, WANG JIN, GU SONG, FENG GUORONG, LIAO SHUBAI, JIANG GUOCHEN, DUAN NAN, ZENG LIREN, ZHOU FANGYU, SUN SHIWEI
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model discloses a fresh air device for tunnel construction, which comprises a base and a movable seat, the base and the movable seat are connected together through a multi-stage telescopic rod, and the movable seat can be close to or far away from the base; traveling wheels are arranged on the base and the movable seat; wherein a mounting plate is arranged on the base, a guide cylinder is fixedly arranged on the mounting plate, an air guide assembly capable of being opened and folded is arranged on the guide cylinder, an air guide pipe is arranged on the moving seat, the air guide pipe is connected with the air guide assembly, and when the moving seat is far away from or close to the base, the air guide assembly is in an opened or folded state. In actual use, the position of the air outlet end can be adjusted according to the progress, and the technical problem that fresh air cannot be fed into a construction section in a tunnel in time can be solved. 本实用新型公开了一种隧道施工用新风装置，包括底座和移动座，底座与移动座之间通过多级伸缩杆连接