Mining air door locking system
The utility model relates to the technical field of coal mining, and discloses a mining air door locking system which comprises a compressed air pipeline for introducing underground compressed air, an air cylinder communicated with the compressed air pipeline and used for opening and closing an air...
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| creator | YUAN LINQING LIU CHUANXIANG LI SHENGNAN WANG JIANG GU CHAOJUN SONG SHAODONG HUANG RUNLONG SUN LEI LU ZHENGYANG PENG TAO SU DONGYI FAN MU'EN LYU JIANLI MAO HAODUO LI GANG |
| description | The utility model relates to the technical field of coal mining, and discloses a mining air door locking system which comprises a compressed air pipeline for introducing underground compressed air, an air cylinder communicated with the compressed air pipeline and used for opening and closing an air door, and an air pressure adjusting structure arranged on the compressed air pipeline. The air pressure adjusting structure is arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The air pressure adjusting structure comprises an air pressure adjuster, a pneumatic control valve and a pressure release valve which are sequentially arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The number of the air doors is two, the compressed air pipeline is respectively communicated with the air cylinders on the two air doors by arranging an air pipe tee joint, and the number of t |
| format | Patent |
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The air pressure adjusting structure is arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The air pressure adjusting structure comprises an air pressure adjuster, a pneumatic control valve and a pressure release valve which are sequentially arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. 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The air pressure adjusting structure is arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The air pressure adjusting structure comprises an air pressure adjuster, a pneumatic control valve and a pressure release valve which are sequentially arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. 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The air pressure adjusting structure is arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The air pressure adjusting structure comprises an air pressure adjuster, a pneumatic control valve and a pressure release valve which are sequentially arranged between the end, where underground compressed air is introduced, of the compressed air pipeline and the air cylinder. The number of the air doors is two, the compressed air pipeline is respectively communicated with the air cylinders on the two air doors by arranging an air pipe tee joint, and the number of t</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS |
| title | Mining air door locking system |
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