Elevator traction machine
The utility model provides an elevator traction machine, which comprises a permanent magnet synchronous motor, traction wheels and a speed reduction gear box, wherein the speed reduction gear box is an involute few-tooth difference speed reduction planetary gear box and has an outer gear output stru...
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| creator | YAO YIZHUO GAO YING LI YOUTAO ZHAO YINRUI CAO SHULONG |
| description | The utility model provides an elevator traction machine, which comprises a permanent magnet synchronous motor, traction wheels and a speed reduction gear box, wherein the speed reduction gear box is an involute few-tooth difference speed reduction planetary gear box and has an outer gear output structure in an NN type few-tooth difference planetary transmission structure; a planetary gear in the speed reduction gear box has a duplex coaxial gear ring structure; and the axial distance a between the effective acting tooth width midlines of an outer gear and an inner gear is equal to 0 or small than or equal to 1/4 of the effective acting tooth width of the inner gear. Compared with the prior art, the utility model has the advantages that the elevator traction machine is compact in structure, stable in operation and high in overload capacity; the transmission efficiency reaches over 90 percent; and a soft tooth surface can be adopted in an engaged gear pair, so that the elevator traction machine is easy to machi |
| format | Patent |
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Compared with the prior art, the utility model has the advantages that the elevator traction machine is compact in structure, stable in operation and high in overload capacity; the transmission efficiency reaches over 90 percent; and a soft tooth surface can be adopted in an engaged gear pair, so that the elevator traction machine is easy to machi</description><language>chi ; eng</language><subject>BLASTING ; ELEVATORS ; ENGINEERING ELEMENTS AND UNITS ; ESCALATORS OR MOVING WALKWAYS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HAULING ; HEATING ; HOISTING ; LIFTING ; LIGHTING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</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=20120905&DB=EPODOC&CC=CN&NR=202414935U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120905&DB=EPODOC&CC=CN&NR=202414935U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAO YIZHUO</creatorcontrib><creatorcontrib>GAO YING</creatorcontrib><creatorcontrib>LI YOUTAO</creatorcontrib><creatorcontrib>ZHAO YINRUI</creatorcontrib><creatorcontrib>CAO SHULONG</creatorcontrib><title>Elevator traction machine</title><description>The utility model provides an elevator traction machine, which comprises a permanent magnet synchronous motor, traction wheels and a speed reduction gear box, wherein the speed reduction gear box is an involute few-tooth difference speed reduction planetary gear box and has an outer gear output structure in an NN type few-tooth difference planetary transmission structure; a planetary gear in the speed reduction gear box has a duplex coaxial gear ring structure; and the axial distance a between the effective acting tooth width midlines of an outer gear and an inner gear is equal to 0 or small than or equal to 1/4 of the effective acting tooth width of the inner gear. Compared with the prior art, the utility model has the advantages that the elevator traction machine is compact in structure, stable in operation and high in overload capacity; the transmission efficiency reaches over 90 percent; and a soft tooth surface can be adopted in an engaged gear pair, so that the elevator traction machine is easy to machi</description><subject>BLASTING</subject><subject>ELEVATORS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>ESCALATORS OR MOVING WALKWAYS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HAULING</subject><subject>HEATING</subject><subject>HOISTING</subject><subject>LIFTING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB0zUktSyzJL1IoKUpMLsnMz1PITUzOyMxL5WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8c5-RgZGJoYmlsamoaHGRCkCAHUCI4s</recordid><startdate>20120905</startdate><enddate>20120905</enddate><creator>YAO YIZHUO</creator><creator>GAO YING</creator><creator>LI YOUTAO</creator><creator>ZHAO YINRUI</creator><creator>CAO SHULONG</creator><scope>EVB</scope></search><sort><creationdate>20120905</creationdate><title>Elevator traction machine</title><author>YAO YIZHUO ; GAO YING ; LI YOUTAO ; ZHAO YINRUI ; CAO SHULONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202414935UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</creationdate><topic>BLASTING</topic><topic>ELEVATORS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>ESCALATORS OR MOVING WALKWAYS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HAULING</topic><topic>HEATING</topic><topic>HOISTING</topic><topic>LIFTING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAO YIZHUO</creatorcontrib><creatorcontrib>GAO YING</creatorcontrib><creatorcontrib>LI YOUTAO</creatorcontrib><creatorcontrib>ZHAO YINRUI</creatorcontrib><creatorcontrib>CAO SHULONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAO YIZHUO</au><au>GAO YING</au><au>LI YOUTAO</au><au>ZHAO YINRUI</au><au>CAO SHULONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Elevator traction machine</title><date>2012-09-05</date><risdate>2012</risdate><abstract>The utility model provides an elevator traction machine, which comprises a permanent magnet synchronous motor, traction wheels and a speed reduction gear box, wherein the speed reduction gear box is an involute few-tooth difference speed reduction planetary gear box and has an outer gear output structure in an NN type few-tooth difference planetary transmission structure; a planetary gear in the speed reduction gear box has a duplex coaxial gear ring structure; and the axial distance a between the effective acting tooth width midlines of an outer gear and an inner gear is equal to 0 or small than or equal to 1/4 of the effective acting tooth width of the inner gear. Compared with the prior art, the utility model has the advantages that the elevator traction machine is compact in structure, stable in operation and high in overload capacity; the transmission efficiency reaches over 90 percent; and a soft tooth surface can be adopted in an engaged gear pair, so that the elevator traction machine is easy to machi</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING ELEVATORS ENGINEERING ELEMENTS AND UNITS ESCALATORS OR MOVING WALKWAYS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | Elevator traction machine |
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