液压支架的发展与前瞻.doc

液压支架的发展与前瞻.doc

ID:61335697

大小:1.27 MB

页数:14页

时间:2021-01-25

液压支架的发展与前瞻.doc_第1页
液压支架的发展与前瞻.doc_第2页
液压支架的发展与前瞻.doc_第3页
液压支架的发展与前瞻.doc_第4页
液压支架的发展与前瞻.doc_第5页
资源描述:

《液压支架的发展与前瞻.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、谓爨峁珏莹寝埭沏潲纯副霏孚英文文献捎隆蝎恤昆光竭棣亭莽士颗鲮Hydraulicsupport'sdevelopmentandperspective班骢鹪堆貉鲶烤匪诡嫒隅负栖1domesticandforeignhydraulicsupportdevelopmentoutline悍各慧栾荽登诖泷珂笤袷叮蛊Thehydraulicsupportistakethehigh-pressuredliquidasapower,bycertainhydraulicelement(cylinder,pipeaccessory)onek

2、indofsupportandthecontrolroofminingcoalworkingsurfaceequipmentwhichbecomeswithsomesteelworkcombination.Hastheintensitytobehigh,thetravelingspeedisquick,supportsandprotectionsperformancegood,safereliableandsooncharacteristics.Sincethe20thcentury50's,thehydraulics

3、upporthasbecometheminingcoalworkingsurfacecoreequipmentgradually,intheworldmainlyproducedthecoalcountrytoputinthemassivemanpowerandresourcesandthefinancialresourcecarriesontheresearchdevelopmenttoit.Atpresent,tendstobematuretakethehydraulicsupportasthemainbodysu

4、pportsandprotections,intheworldalreadythemanufacturingseveralhundredkindofframesandtheuptotenthousandkindofmodel'shydraulicsupport,meetseachkindofcoalbedminingsupportsandprotectionsneed.嫔洁褡表客轸笕甥秽汗逝溯鹨Onthecentury60's,ourcountryoncehadalsodeveloped10kindofhydrauli

5、csupports,forvariousreasonshasnotobtainedthepromotedapplication,thehydraulicsupportisinthedevelopment,thelaboratorystage;the70'sfromBritain,Germany,Poland,theformerSovietUnionandsoonmainlyproducethecoalcountrytointroduceseveral10setofhydraulicsupportssuccessivel

6、y.Aftertheunceasingexploration,theuse,thedigestionandthesummary,makeeachtypethesupport,itisthebeginningwhichthedomesticproducthydraulicsupportdevelops;the80'shydraulicsupportresearchanddevelopmentareintheinnovationtoenhancethestage,develops30kindofnewframeoneaft

7、eranother,makestheZZseries,theXYseries,theZDseriesandsoondifferentspecification,andwidelyusesinthestate-ownedlargeandmiddlescalecoalmines,obtainsthegoodeconomicefficiency;90'sspecialhydraulicsupport'sdevelopmentobtainstherapidlyexpand,themechanizedshopnetsupport

8、,thewatergranulatedsubstancebackfillsupport,thereasonsupport,theforcesupport,putsgoesagainstthecoalsupportandsoontobepublishedoneafteranother;Thepresentcenturyalongwi

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。