Novel steel pipe structure suitable for pipe jacking
The utility model discloses a novel steel pipe structure suitable for pipe jacking, which is composed of at least two steel pipe sections connected end to end, the head parts of the steel pipe sections are inwards contracted to form inserting openings, the outer surfaces of the inserting openings ar...
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| creator | GUO HONGYAO CHEN BEIBEI LYU ZHUANZHEN ZHENG WEI CHEN FUTAO LI XIAO LIU HENG |
| description | The utility model discloses a novel steel pipe structure suitable for pipe jacking, which is composed of at least two steel pipe sections connected end to end, the head parts of the steel pipe sections are inwards contracted to form inserting openings, the outer surfaces of the inserting openings are provided with convex spherical surfaces, and the inserting openings are provided with at least oneannular groove used for installing a sealing ring; the tail portion of the steel pipe section is sunken inwards to form a bearing opening, a concave spherical face matched with the convex spherical face of the inserting opening is arranged on the inner surface of the bearing opening, and the inserting opening of the next steel pipe section can be inserted into the bearing opening of the previoussteel pipe section for installation. When two adjacent steel pipe sections are connected, the convex spherical surface of the insertion opening of one steel pipe section is matched with the concave spherical surface of the rec |
| format | Patent |
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When two adjacent steel pipe sections are connected, the convex spherical surface of the insertion opening of one steel pipe section is matched with the concave spherical surface of the rec</description><language>chi ; eng</language><subject>BLASTING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2020</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=20201222&DB=EPODOC&CC=CN&NR=212203460U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201222&DB=EPODOC&CC=CN&NR=212203460U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUO HONGYAO</creatorcontrib><creatorcontrib>CHEN BEIBEI</creatorcontrib><creatorcontrib>LYU ZHUANZHEN</creatorcontrib><creatorcontrib>ZHENG WEI</creatorcontrib><creatorcontrib>CHEN FUTAO</creatorcontrib><creatorcontrib>LI XIAO</creatorcontrib><creatorcontrib>LIU HENG</creatorcontrib><title>Novel steel pipe structure suitable for pipe jacking</title><description>The utility model discloses a novel steel pipe structure suitable for pipe jacking, which is composed of at least two steel pipe sections connected end to end, the head parts of the steel pipe sections are inwards contracted to form inserting openings, the outer surfaces of the inserting openings are provided with convex spherical surfaces, and the inserting openings are provided with at least oneannular groove used for installing a sealing ring; the tail portion of the steel pipe section is sunken inwards to form a bearing opening, a concave spherical face matched with the convex spherical face of the inserting opening is arranged on the inner surface of the bearing opening, and the inserting opening of the next steel pipe section can be inserted into the bearing opening of the previoussteel pipe section for installation. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN212203460UU |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Novel steel pipe structure suitable for pipe jacking |
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