Highway subgrade abutment back backfill gravel inverted filter paving device
The utility model provides a highway subgrade abutment back backfill gravel inverted filter paving device, which relates to the technical field of highway construction and comprises a vehicle body and an auxiliary part, two rolling wheels A are rotationally connected to the vehicle body, and two rol...
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| creator | ZHENG WENFEI BI ZHIGANG WU PENGYAN LI YONGSHAN YOON, NUNG AH XING KEQIANG ZHAO DONGHAI |
| description | The utility model provides a highway subgrade abutment back backfill gravel inverted filter paving device, which relates to the technical field of highway construction and comprises a vehicle body and an auxiliary part, two rolling wheels A are rotationally connected to the vehicle body, and two rolling wheels B are further rotationally connected to the vehicle body; four elastic telescopic rods are fixedly connected to the vehicle body through bolts, the head ends of the four elastic telescopic rods are fixedly connected with a mounting seat, and a paving pipe is fixedly connected to the mounting seat. The auxiliary groove is of a semi-cylindrical groove-shaped structure, and when the roller B rolls, the auxiliary groove and the paving pipe are in a continuous contact state, so that vibration of the paving pipe is realized, finally, stone blocks are further prevented from being blocked in the paving pipe, and the problems that firstly, a method which is commonly used at present is that a shovel is manually u |
| format | Patent |
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The auxiliary groove is of a semi-cylindrical groove-shaped structure, and when the roller B rolls, the auxiliary groove and the paving pipe are in a continuous contact state, so that vibration of the paving pipe is realized, finally, stone blocks are further prevented from being blocked in the paving pipe, and the problems that firstly, a method which is commonly used at present is that a shovel is manually u</description><language>chi ; eng</language><subject>CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES ; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE ; FIXED CONSTRUCTIONS ; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR</subject><creationdate>2022</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=20221025&DB=EPODOC&CC=CN&NR=217651560U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221025&DB=EPODOC&CC=CN&NR=217651560U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHENG WENFEI</creatorcontrib><creatorcontrib>BI ZHIGANG</creatorcontrib><creatorcontrib>WU PENGYAN</creatorcontrib><creatorcontrib>LI YONGSHAN</creatorcontrib><creatorcontrib>YOON, NUNG AH</creatorcontrib><creatorcontrib>XING KEQIANG</creatorcontrib><creatorcontrib>ZHAO DONGHAI</creatorcontrib><title>Highway subgrade abutment back backfill gravel inverted filter paving device</title><description>The utility model provides a highway subgrade abutment back backfill gravel inverted filter paving device, which relates to the technical field of highway construction and comprises a vehicle body and an auxiliary part, two rolling wheels A are rotationally connected to the vehicle body, and two rolling wheels B are further rotationally connected to the vehicle body; four elastic telescopic rods are fixedly connected to the vehicle body through bolts, the head ends of the four elastic telescopic rods are fixedly connected with a mounting seat, and a paving pipe is fixedly connected to the mounting seat. The auxiliary groove is of a semi-cylindrical groove-shaped structure, and when the roller B rolls, the auxiliary groove and the paving pipe are in a continuous contact state, so that vibration of the paving pipe is realized, finally, stone blocks are further prevented from being blocked in the paving pipe, and the problems that firstly, a method which is commonly used at present is that a shovel is manually u</description><subject>CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES</subject><subject>CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDxyEzPKE-sVCguTUovSkxJVUhMKi3JTc0rUUhKTM4GE2mZOTkKQMmy1ByFzLyy1KKS1BQFoGBJapFCQWJZZl66QkpqWWZyKg8Da1piTnEqL5TmZlBycw1x9tBNLciPTy0uSExOzUstiXf2MzI0NzM1NDUzCA01JkoRACN2Ns0</recordid><startdate>20221025</startdate><enddate>20221025</enddate><creator>ZHENG WENFEI</creator><creator>BI ZHIGANG</creator><creator>WU PENGYAN</creator><creator>LI YONGSHAN</creator><creator>YOON, NUNG AH</creator><creator>XING KEQIANG</creator><creator>ZHAO DONGHAI</creator><scope>EVB</scope></search><sort><creationdate>20221025</creationdate><title>Highway subgrade abutment back backfill gravel inverted filter paving device</title><author>ZHENG WENFEI ; BI ZHIGANG ; WU PENGYAN ; LI YONGSHAN ; YOON, NUNG AH ; XING KEQIANG ; ZHAO DONGHAI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN217651560UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES</topic><topic>CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHENG WENFEI</creatorcontrib><creatorcontrib>BI ZHIGANG</creatorcontrib><creatorcontrib>WU PENGYAN</creatorcontrib><creatorcontrib>LI YONGSHAN</creatorcontrib><creatorcontrib>YOON, NUNG AH</creatorcontrib><creatorcontrib>XING KEQIANG</creatorcontrib><creatorcontrib>ZHAO DONGHAI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHENG WENFEI</au><au>BI ZHIGANG</au><au>WU PENGYAN</au><au>LI YONGSHAN</au><au>YOON, NUNG AH</au><au>XING KEQIANG</au><au>ZHAO DONGHAI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Highway subgrade abutment back backfill gravel inverted filter paving device</title><date>2022-10-25</date><risdate>2022</risdate><abstract>The utility model provides a highway subgrade abutment back backfill gravel inverted filter paving device, which relates to the technical field of highway construction and comprises a vehicle body and an auxiliary part, two rolling wheels A are rotationally connected to the vehicle body, and two rolling wheels B are further rotationally connected to the vehicle body; four elastic telescopic rods are fixedly connected to the vehicle body through bolts, the head ends of the four elastic telescopic rods are fixedly connected with a mounting seat, and a paving pipe is fixedly connected to the mounting seat. The auxiliary groove is of a semi-cylindrical groove-shaped structure, and when the roller B rolls, the auxiliary groove and the paving pipe are in a continuous contact state, so that vibration of the paving pipe is realized, finally, stone blocks are further prevented from being blocked in the paving pipe, and the problems that firstly, a method which is commonly used at present is that a shovel is manually u</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR |
| title | Highway subgrade abutment back backfill gravel inverted filter paving device |
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