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Nres yog qhov lav rau kev ua haujlwm nyab xeeb ntawm cranes

Feb 22, 2022

Peb txhua tus paub tias lub crane yog ib yam loj - cov cuab yeej siv tshuab nrog cov khoom loj txhua hnub. Lub nres yog ib qho tseem ceeb heev nyob rau hauv nws ntau yam mechanisms thiab yog ib qho tseem ceeb ib feem los xyuas kom meej kev ruaj ntseg ntawm lub crane. Nws yog ib qho tseem ceeb siv los xyuas kom meej, txhim khu kev qha thiab kev nyab xeeb ntawm lub crane.

Lub braking ntaus ntawv ntawm lub hoisting mechanism ua kom qhov chaw nres ntawm cov khoom dai, thiab tuaj yeem khaws cov khoom dai rau hauv txoj haujlwm no tom qab lub hoisting mechanism nres khiav, thiaj li tiv thaiv cov khoom hnyav los ntawm kev poob.

Lub braking ntaus ntawv ntawm lub khiav mechanism thiab lwm yam mechanisms yog siv los paub qhov chaw nres tsheb thiab khaws cia rau hauv qhov chaw nres tsheb. Hauv cov xwm txheej tshwj xeeb, qhov ceev ntawm lub tshuab kuj tuaj yeem txo lossis hloov kho raws li qhov xav tau ntawm kev ua haujlwm.

Crane nres ntaus ntawv feem ntau muaj xws li crane nres, nres log thiab nres nres ntaus ntawv. Nws suav nrog peb yam ntawm kev hloov kho kev ua haujlwm: kho qhov ua haujlwm stroke, kho lub zog nres, thiab kho lub braking clearance. Nws realizes lub mechanism braking los ntawm lub hauv paus ntsiab lus ntawm kev sib txhuam.

Thaum qhov kev sib txhuam ntawm tus nres teem rau ntawm lub hauv paus zoo li qub nias qhov kev sib txhuam ntawm ib qho kev khiav haujlwm hauv lub tshuab nrog ib qho kev quab yuam, kev sib txhuam quab yuam tsim los ntawm ob qhov chaw sib txuas ua rau muaj kev sib txhuam torque ntawm kev sib hloov axis. Lub torque feem ntau hu ua braking torque.

Thaum lub braking torque yog sib npaug nrog lub torque generated los ntawm lub torsional quab yuam thaum lub hanging khoom khiav, lub braking yuav tsum tau tiav.

Xa kev nug