Natural ventilation equipment for long tunnel
The invention discloses long tunnel natural ventilation equipment which comprises a plurality of vertical shafts, the vertical shafts are arranged at the top of a long tunnel at intervals, the upper end of each vertical shaft is fixedly connected with a plurality of supporting cross beams, the suppo...
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| creator | HUANG SHENGLIN GAN RUI TAN SHENGZHI LIU LI |
| description | The invention discloses long tunnel natural ventilation equipment which comprises a plurality of vertical shafts, the vertical shafts are arranged at the top of a long tunnel at intervals, the upper end of each vertical shaft is fixedly connected with a plurality of supporting cross beams, the supporting cross beams are fixedly connected with vertical rods, the upper ends of the vertical rods are rotationally connected with wind energy blades, and the bottoms of the vertical rods are rotationally connected with ventilation blades. The wind energy blades are in transmission shaft connection or electric power transmission connection with the ventilation blades. A protective grating assembly is arranged at the upper end of the vertical shaft. The electric push rod extends to push the circular grating to ascend in the axial direction of the vertical rod, the edge of the circular grating extrudes the fan-shaped grating, the fan-shaped grating is made to turn outwards around the hinged shaft of the fan-shaped grati |
| format | Patent |
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The wind energy blades are in transmission shaft connection or electric power transmission connection with the ventilation blades. A protective grating assembly is arranged at the upper end of the vertical shaft. The electric push rod extends to push the circular grating to ascend in the axial direction of the vertical rod, the edge of the circular grating extrudes the fan-shaped grating, the fan-shaped grating is made to turn outwards around the hinged shaft of the fan-shaped grati</description><language>chi ; eng</language><subject>BLASTING ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; HEATING ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; MINING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PRODUCING MECHANICAL POWER ; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS ; WEAPONS ; WIND MOTORS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230905&DB=EPODOC&CC=CN&NR=116696441A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230905&DB=EPODOC&CC=CN&NR=116696441A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG SHENGLIN</creatorcontrib><creatorcontrib>GAN RUI</creatorcontrib><creatorcontrib>TAN SHENGZHI</creatorcontrib><creatorcontrib>LIU LI</creatorcontrib><title>Natural ventilation equipment for long tunnel</title><description>The invention discloses long tunnel natural ventilation equipment which comprises a plurality of vertical shafts, the vertical shafts are arranged at the top of a long tunnel at intervals, the upper end of each vertical shaft is fixedly connected with a plurality of supporting cross beams, the supporting cross beams are fixedly connected with vertical rods, the upper ends of the vertical rods are rotationally connected with wind energy blades, and the bottoms of the vertical rods are rotationally connected with ventilation blades. The wind energy blades are in transmission shaft connection or electric power transmission connection with the ventilation blades. A protective grating assembly is arranged at the upper end of the vertical shaft. 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The wind energy blades are in transmission shaft connection or electric power transmission connection with the ventilation blades. A protective grating assembly is arranged at the upper end of the vertical shaft. The electric push rod extends to push the circular grating to ascend in the axial direction of the vertical rod, the edge of the circular grating extrudes the fan-shaped grating, the fan-shaped grating is made to turn outwards around the hinged shaft of the fan-shaped grati</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MINING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | Natural ventilation equipment for long tunnel |
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