Blade root embedded part and fan blade root connecting structure
The invention relates to a blade root embedded part which comprises an embedded part main body (1021) and a plurality of bosses (1022) arranged along the outer surface of the embedded part main body (1021), the bosses (1022) are axially arranged at intervals along the embedded part main body (1021),...
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| creator | HAN LUMING HWANG DAE-YOUNG YU XIUJUAN CHEN TIEFENG TAO BO DU YIYAN |
| description | The invention relates to a blade root embedded part which comprises an embedded part main body (1021) and a plurality of bosses (1022) arranged along the outer surface of the embedded part main body (1021), the bosses (1022) are axially arranged at intervals along the embedded part main body (1021), and through holes (1023) used for bolt connection are formed in the centers of the bosses. Compared with the prior art, according to the blade root embedded part, the bosses used for being connected with the shear-resistant bolts are arranged in the axial direction of the body at intervals, and by means of the embedded part, the tensile type blade root connection design is changed into the shear-resistant type blade root connection design. Due to the fact that the pretightening force of the anti-shearing bolt generates pressure between the blade root and the variable-pitch bearing, the friction force between the blade root and the variable-pitch bearing is increased, the friction force can resist a part of shearin |
| format | Patent |
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Compared with the prior art, according to the blade root embedded part, the bosses used for being connected with the shear-resistant bolts are arranged in the axial direction of the body at intervals, and by means of the embedded part, the tensile type blade root connection design is changed into the shear-resistant type blade root connection design. Due to the fact that the pretightening force of the anti-shearing bolt generates pressure between the blade root and the variable-pitch bearing, the friction force between the blade root and the variable-pitch bearing is increased, the friction force can resist a part of shearin</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PRODUCING MECHANICAL POWER ; 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=20230425&DB=EPODOC&CC=CN&NR=116006394A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230425&DB=EPODOC&CC=CN&NR=116006394A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAN LUMING</creatorcontrib><creatorcontrib>HWANG DAE-YOUNG</creatorcontrib><creatorcontrib>YU XIUJUAN</creatorcontrib><creatorcontrib>CHEN TIEFENG</creatorcontrib><creatorcontrib>TAO BO</creatorcontrib><creatorcontrib>DU YIYAN</creatorcontrib><title>Blade root embedded part and fan blade root connecting structure</title><description>The invention relates to a blade root embedded part which comprises an embedded part main body (1021) and a plurality of bosses (1022) arranged along the outer surface of the embedded part main body (1021), the bosses (1022) are axially arranged at intervals along the embedded part main body (1021), and through holes (1023) used for bolt connection are formed in the centers of the bosses. Compared with the prior art, according to the blade root embedded part, the bosses used for being connected with the shear-resistant bolts are arranged in the axial direction of the body at intervals, and by means of the embedded part, the tensile type blade root connection design is changed into the shear-resistant type blade root connection design. Due to the fact that the pretightening force of the anti-shearing bolt generates pressure between the blade root and the variable-pitch bearing, the friction force between the blade root and the variable-pitch bearing is increased, the friction force can resist a part of shearin</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES FOR LIQUIDS</subject><subject>MECHANICAL ENGINEERING</subject><subject>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>WEAPONS</subject><subject>WIND MOTORS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBwyklMSVUoys8vUUjNTUpNSUlNUShILCpRSMxLUUhLzFNIQihIzs_LS00uycxLVyguKSpNLiktSuVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoaGZgYGZsaWJo7GxKgBAJOXMP0</recordid><startdate>20230425</startdate><enddate>20230425</enddate><creator>HAN LUMING</creator><creator>HWANG DAE-YOUNG</creator><creator>YU XIUJUAN</creator><creator>CHEN TIEFENG</creator><creator>TAO BO</creator><creator>DU YIYAN</creator><scope>EVB</scope></search><sort><creationdate>20230425</creationdate><title>Blade root embedded part and fan blade root connecting structure</title><author>HAN LUMING ; HWANG DAE-YOUNG ; YU XIUJUAN ; CHEN TIEFENG ; TAO BO ; DU YIYAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116006394A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES FOR LIQUIDS</topic><topic>MECHANICAL ENGINEERING</topic><topic>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</topic><topic>PRODUCING MECHANICAL POWER</topic><topic>WEAPONS</topic><topic>WIND MOTORS</topic><topic>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>HAN LUMING</creatorcontrib><creatorcontrib>HWANG DAE-YOUNG</creatorcontrib><creatorcontrib>YU XIUJUAN</creatorcontrib><creatorcontrib>CHEN TIEFENG</creatorcontrib><creatorcontrib>TAO BO</creatorcontrib><creatorcontrib>DU YIYAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAN LUMING</au><au>HWANG DAE-YOUNG</au><au>YU XIUJUAN</au><au>CHEN TIEFENG</au><au>TAO BO</au><au>DU YIYAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Blade root embedded part and fan blade root connecting structure</title><date>2023-04-25</date><risdate>2023</risdate><abstract>The invention relates to a blade root embedded part which comprises an embedded part main body (1021) and a plurality of bosses (1022) arranged along the outer surface of the embedded part main body (1021), the bosses (1022) are axially arranged at intervals along the embedded part main body (1021), and through holes (1023) used for bolt connection are formed in the centers of the bosses. Compared with the prior art, according to the blade root embedded part, the bosses used for being connected with the shear-resistant bolts are arranged in the axial direction of the body at intervals, and by means of the embedded part, the tensile type blade root connection design is changed into the shear-resistant type blade root connection design. Due to the fact that the pretightening force of the anti-shearing bolt generates pressure between the blade root and the variable-pitch bearing, the friction force between the blade root and the variable-pitch bearing is increased, the friction force can resist a part of shearin</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | Blade root embedded part and fan blade root connecting structure |
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