Two-stage pressing manhole device
The invention discloses a two-stage pressing manhole device, which belongs to the technical field of sealing of manholes of powdery cargo storage tanks. The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manh...
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| creator | LV CHANGLE LI YONGLI YANG QINGYI |
| description | The invention discloses a two-stage pressing manhole device, which belongs to the technical field of sealing of manholes of powdery cargo storage tanks. The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manhole collar device comprises retaining rings, a rotating shaft, a rib plate and pressing lug plates, the manhole cover is hinged to the manhole collar device through the rotating shaft, the lock pin device penetrates through the manhole cover and the pressing lug plates, and the pressing device comprises a pressing shaft and pressing shaft connecting plates. The pressing shaft penetrates through upper shaft holes of the pressing shaft connecting plates, the rotating shaft penetrates through lower shaft holes of the pressing shaft connecting plates and retaining rings, and the pressing shaft can rotate in the pressing shaft connecting plates. The device is still capable of achieving a sealing effect after a seam is f |
| format | Patent |
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The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manhole collar device comprises retaining rings, a rotating shaft, a rib plate and pressing lug plates, the manhole cover is hinged to the manhole collar device through the rotating shaft, the lock pin device penetrates through the manhole cover and the pressing lug plates, and the pressing device comprises a pressing shaft and pressing shaft connecting plates. The pressing shaft penetrates through upper shaft holes of the pressing shaft connecting plates, the rotating shaft penetrates through lower shaft holes of the pressing shaft connecting plates and retaining rings, and the pressing shaft can rotate in the pressing shaft connecting plates. The device is still capable of achieving a sealing effect after a seam is f</description><language>chi ; eng</language><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS ; CONVEYING ; HANDLING THIN OR FILAMENTARY MATERIAL ; PACKAGES ; PACKAGING ELEMENTS ; PACKING ; PERFORMING OPERATIONS ; STORING ; TRANSPORTING</subject><creationdate>2012</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=20120711&DB=EPODOC&CC=CN&NR=102556543A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120711&DB=EPODOC&CC=CN&NR=102556543A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LV CHANGLE</creatorcontrib><creatorcontrib>LI YONGLI</creatorcontrib><creatorcontrib>YANG QINGYI</creatorcontrib><title>Two-stage pressing manhole device</title><description>The invention discloses a two-stage pressing manhole device, which belongs to the technical field of sealing of manholes of powdery cargo storage tanks. The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manhole collar device comprises retaining rings, a rotating shaft, a rib plate and pressing lug plates, the manhole cover is hinged to the manhole collar device through the rotating shaft, the lock pin device penetrates through the manhole cover and the pressing lug plates, and the pressing device comprises a pressing shaft and pressing shaft connecting plates. The pressing shaft penetrates through upper shaft holes of the pressing shaft connecting plates, the rotating shaft penetrates through lower shaft holes of the pressing shaft connecting plates and retaining rings, and the pressing shaft can rotate in the pressing shaft connecting plates. 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The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manhole collar device comprises retaining rings, a rotating shaft, a rib plate and pressing lug plates, the manhole cover is hinged to the manhole collar device through the rotating shaft, the lock pin device penetrates through the manhole cover and the pressing lug plates, and the pressing device comprises a pressing shaft and pressing shaft connecting plates. The pressing shaft penetrates through upper shaft holes of the pressing shaft connecting plates, the rotating shaft penetrates through lower shaft holes of the pressing shaft connecting plates and retaining rings, and the pressing shaft can rotate in the pressing shaft connecting plates. The device is still capable of achieving a sealing effect after a seam is f</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING |
| title | Two-stage pressing manhole device |
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