Impact hammer for cast-in-place pile
The invention relates to an impact hammer for a cast-in-place pile. The impact hammer comprises a hammer body and hammer tooth assemblies; the hammer body comprises a body, a plurality of wing parts and wing feet; the multiple wing parts are all fixedly connected with the body and evenly arranged in...
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| creator | TIAN HONGQIANG TIAN LEI LIU GANG XIN GUOSHUN ZHAO WEICHAO |
| description | The invention relates to an impact hammer for a cast-in-place pile. The impact hammer comprises a hammer body and hammer tooth assemblies; the hammer body comprises a body, a plurality of wing parts and wing feet; the multiple wing parts are all fixedly connected with the body and evenly arranged in the circumferential direction of the body; the wing feet and the wing parts are the same in number,and the wing feet are formed by extending in the circumferential direction of the body from the wing parts; cavities are formed between the adjacent wing parts and the body; the hammer tooth assemblies correspond to the wing feet one to one; the hammer tooth assemblies are arranged at the end of the hammer body and comprise a plurality of first hammer teeth, a plurality of second hammer teeth anda plurality of third hammer teeth, and the first hammer teeth, the second hammer teeth and the third hammer teeth are arrayed in a staggered mode; and in the central axis direction of the body, the length of the first hammer |
| format | Patent |
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The impact hammer comprises a hammer body and hammer tooth assemblies; the hammer body comprises a body, a plurality of wing parts and wing feet; the multiple wing parts are all fixedly connected with the body and evenly arranged in the circumferential direction of the body; the wing feet and the wing parts are the same in number,and the wing feet are formed by extending in the circumferential direction of the body from the wing parts; cavities are formed between the adjacent wing parts and the body; the hammer tooth assemblies correspond to the wing feet one to one; the hammer tooth assemblies are arranged at the end of the hammer body and comprise a plurality of first hammer teeth, a plurality of second hammer teeth anda plurality of third hammer teeth, and the first hammer teeth, the second hammer teeth and the third hammer teeth are arrayed in a staggered mode; and in the central axis direction of the body, the length of the first hammer</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2019</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=20190503&DB=EPODOC&CC=CN&NR=109707304A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190503&DB=EPODOC&CC=CN&NR=109707304A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIAN HONGQIANG</creatorcontrib><creatorcontrib>TIAN LEI</creatorcontrib><creatorcontrib>LIU GANG</creatorcontrib><creatorcontrib>XIN GUOSHUN</creatorcontrib><creatorcontrib>ZHAO WEICHAO</creatorcontrib><title>Impact hammer for cast-in-place pile</title><description>The invention relates to an impact hammer for a cast-in-place pile. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN109707304A |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Impact hammer for cast-in-place pile |
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