25-08-2023 дата публикации
Номер: CN116641747A
Автор:
HAO CHAOYU,
ZHU YINGJIAN,
DENG CUNBAO,
FAN NAN,
LIU HAIDONG,
ZHANG WENHAO,
ZHANG JIANJUN,
CUI CHONGBIN,
LI CHUNREN,
SUN LIRONG,
ZHOU ZHIQIANG,
JING JIANPENG,
LIU WENWEN,
ZHA JIAN,
LI WEIGANG,
ZHENG LI
Принадлежит:
The invention aims at providing a coal mine underground damping type adjusting air door and a using method thereof, and belongs to the technical field of coal mine underground ventilation. The coal mine underground damping type adjusting air door comprises an air door body, a window frame is arranged on the air door body, a shell is arranged at the outer end of the air door body, one end of the window frame is hinged to the air door body through a hinge, and the other end of the window frame is connected with the shell through a window lock; a plurality of layers of damping nets are arranged between the window frame and the shell, an inner frame body is arranged on the outer sides of the damping nets, sliding rails are arranged at the upper end and the lower end of the window frame and comprise an outer sliding rail located on the outer side of the air door body and an inner sliding rail located on the inner side of the air door body, the inner frame body is slidably connected with the ...
Подробнее