1, Txij li thaum lub hoist crane siv peb-theem asynchronous cone nres lub cev muaj zog raws li cov khoom siv hluav taws xob, kev khiav haujlwm ntawm peb-theem asynchronous lub cev muaj feem cuam tshuam rau theem theem ntawm cov khoom siv hluav taws xob.Thaum cov theem ua ntu zus ntawm cov khoom siv hluav taws xob hloov pauv, cov kev taw qhia khiav ntawm lub cev muaj zog yog rov qab mus rau qhov qub kev taw qhia.Nyob rau lub sijhawm no, thaum lub khawm "down" ntawm tus neeg teb xov tooj hloov yog nias, tus neeg xa xov yuav nce, thiab lub limiter ntawm txoj haujlwm nce siab yuav tsis ua haujlwm, yog li nws yooj yim ua rau muaj xwm txheej.Kev sib tsoo ntawm kev sib tsoo xws li kev sib tsoo ntawm lub nruas, extrusion thiab deformation ntawm pawg sib txuas, thiab kev tawg ntawm cov hlua hlau yuav tshwm sim vim yog theem tsis ncaj ncees lawm.Txawm li cas los xij, CD thiab MD hluav taws xob hoists uas tam sim no tsim thiab siv dav hauv kuv lub teb chaws tsis tau nruab nrog cov kev tiv thaiv tsis raug cai (uas yuav tsum tau muab tso rau hauv cov qauv hluav taws xob hoist), thiab muaj qee yam kev phom sij zais.Hauv kev soj ntsuam cov lus qhia tawm tswv yim, nws tau pom tias qhov tsis ua haujlwm tsis zoo tshwm sim los ntawm kev qhia txoj hlua thiab qhov hluav taws xob txwv txoj haujlwm suav nrog 20.3% thiab 17.1%.Tsis tas li ntawd, hauv kev siv lub tshuab hluav taws xob tshiab uas tau tsim nyob rau hauv 1 xyoo dhau los, nws pom tias vim tsis muaj kev tiv thaiv theem ib ntus, cov nyiaj saum toj kawg nkaus rau 30.5%.Txhawm rau tiv thaiv kev txhim kho kev raug mob los ntawm qhov tsis ncaj ncees lawm, qhov tsis ncaj ncees lawm theem tsis ua haujlwm tiv thaiv yuav tsum tau ntxiv rau hauv lub tshuab hluav taws xob hoist tswj lub thawv.Lub crane tsis tuaj yeem ua haujlwm txuas ntxiv mus txog thaum cov khoom siv hluav taws xob rov zoo li qub.Nyob rau hauv txoj kev no, nws tuaj yeem tsis tsuas yog tiv thaiv lub hoisting los ntawm qhov tsis ncaj ncees lawm theem ntawm lub hwj chim mov, tab sis kuj tiv thaiv lub cev muaj zog los ntawm burnt thaum lub sij hawm tsis muaj.
2, Qhov kev ua txhaum ntawm qhov tsis xws luag tshwm sim los ntawm lub log mus ncig thiab lub log passive account rau 2.1% ntawm qhov txhaum.Thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob hoist, vim qhov hnav ntawm lub log thiab lub log tread, qhov sib txawv ntawm lub log thiab cov tsheb khiav maj mam nce.Yog tias qhov sib txawv khiav tsis tuaj yeem hloov kho raws sijhawm nyob rau lub sijhawm no, lub tshuab hluav taws xob hoist yuav poob tawm ntawm txoj kev thiab ua rau muaj kev sib tsoo ntawm kev sib tsoo.Nyob rau tib lub sijhawm, vim qhov tshwj xeeb ntawm kev sib dhos txoj haujlwm ntawm lub log thiab qag, qhov tawg ntawm lub qag tsis yooj yim pom.Thaum qhov tawg tsis tuaj yeem tswj tau zoo, lub qag yuav tawg thiab ua rau lub caij nplooj zeeg.Txhawm rau tiv thaiv qhov tshwm sim ntawm hluav taws xob hoist ntog los ntawm qhov no, ib qho khoom siv tiv thaiv kev tiv thaiv kev tiv thaiv tuaj yeem muab ntxiv rau ntawm qhov tsim nyog ntawm qhov hluav taws xob hoist.Qhov tshwm sim ntawm kev raug mob hnyav.
3, Raws li cov kev cai ntawm GB 6067-1985 "Txoj Cai Kev Nyab Xeeb rau Hoisting Machinery", buffers yuav tsum tau nruab rau qhov kawg ntawm lub tshuab hluav taws xob hoist khiav, tab sis tsis muaj kev tshwj xeeb rau qhov chaw teeb tsa.Tam sim no, tsis muaj hluav taws xob hoist siv nyob rau hauv kuv lub teb chaws yog feem ntau ntsia nyob rau hauv nruab nrab ib feem ntawm I-beam.Thaum lub log khiav ntawm lub tshuab hluav taws xob hoist sib tsoo nrog qhov tsis, qhov tsis tuaj yeem ua lub luag haujlwm ntawm kev nqus lub zog.Txawm li cas los xij, vim qhov tshwj xeeb ntawm cov qauv hluav taws xob hoist, thaum lub log khiav sib tsoo nrog cov tsis, nyob rau hauv qhov kev txiav txim ntawm inertia, lub log ntug hnav tsis tshua muaj siab.Tom qab hluav taws xob hoist khiav rau ib lub sij hawm, lub tsis yuav poob nws tus nqi qub.Qee cov qauv tsim ua rau muaj qhov tsis zoo thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob, thiab kev ruaj ntseg poob qis.Txhawm rau tiv thaiv qhov tsis ua haujlwm no, qhov chaw teeb tsa ntawm qhov tsis tuaj yeem raug xaiv rau ntawm qhov chaw qis ntawm I-nqaj, thiab kev sib tsoo ntawm qhov tsis thiab hluav taws xob hoist ncua kev kawm ntawv pob ntseg tuaj yeem siv los ua tsis tau, yog li ua haujlwm tau zoo. lub neej ntawm lub buffer.
4, Nyob rau hauv cov nqe lus ntawm cov qauv tsim ntawm hluav taws xob hoist, txawm hais tias tus qauv tsim ntawm CD-hom hlau hlua hluav taws xob hoist tau zoo heev piv nrog TV-hom hlau hlua hluav taws xob hoist, nws zoo li tsis zoo, lub voj voog yog tsis yooj yim rau installation thiab kev thauj mus los, thiab cov duab ntawm lub tshuab hluav taws xob hoist tsis zoo.Cov kev txwv nruj heev cuam tshuam cov kev hloov pauv hauv paus.Thiab txawv teb chaws hlau hlua hluav taws xob hoists feem ntau ntawm cov qauv square tsim, uas tsis yog tsuas yog zoo nkauj thiab yooj yim rau nruab thiab thauj, tab sis kuj zoo yoog rau modular tsim, uas yog yooj yim rau kev sib txuas thiab kev hloov ntawm cov hom yooj yim, uas zoo heev broadens lub Scope. ntawm kev siv.Nws raug nquahu kom siv cov khoom zoo thiab muaj zog steel hlau hlua.Raws li tus qauv xav tau ntawm GB / T 3811-2008 "Code for Design of Cranes", nyob rau hauv lub ntsiab lus ntawm kev txaus siab ntawm kev nyab xeeb ntawm tensile lub zog, txoj kab uas hla ntawm cov hlau hlau hlua yuav tsum raug txo kom ntau li ntau tau, thiab qhov tsim nyog. nruas txoj kab uas hla thiab hlau hlua txoj kab uas hla yuav tsum tau siv.ratio thiab qhov ratio ntawm pulley txoj kab uas hla mus rau hlau hlua, thiaj li yuav txo tau cov qauv thiab hnyav ntawm tag nrho cov tshuab.Nyob rau hauv cov nqe lus ntawm cov qauv tsim, nws yog pom zoo kom hloov cov tsoos voj voog tsim, txais yuav ib tug square qauv, modular tsim, ua kom lub versatility ntawm lub Cheebtsam, thiab hloov lub layout ntawm lub qub motor-intermediate ncej-reducer-reel daim ntawv mus rau lub cev muaj zog - Kev npaj ntawm reducer-reel yog qhov zoo los txhim kho qhov siab nqa ntawm cov hlua hluav taws xob hoist, tsis txhob muaj kev kub ceev ncej ntev ntev kis tau tus mob, txhim kho kev ruaj ntseg thiab kev cia siab, thiab txo cov nqi tsim khoom thiab ua kom muaj zog ntau ntxiv, txhawm rau txhim kho qhov ntau ntawm kev sawv ntsug- ib leeg siv.
5, Lub tshuab hluav taws xob hoist muaj qhov tsis txaus ntawm lub cev muaj zog.Nws tuaj yeem pom los ntawm cov lus ua txhaum qhov tshwm sim uas qhov kev ua txhaum tsis raug tshwm sim los ntawm lub cev muaj zog rau 6.6%.Vim lub conical rotor lub cev muaj zog sib phim nrog CD hom hlau hlua hluav taws xob hoist, ib qho ceev yog 4 theem, ob chav ceev yog 1/10 ntawm niam tshuab, thaum lub tshuab txawv teb chaws hlau hlua hluav taws xob hoist lub cev muaj zog txais 2-ncej lub cev muaj zog, thiab ob qhov ceev txais ob chav winding thiab sib txawv theem.Nyob rau hauv txoj kev no, cov qauv yog qhov yooj yim, lub ntim yog me me, thiab tus kheej lub cev hnyav yog lub teeb, uas yog qhov zoo los txo cov nqi tsim khoom.Tsis tas li ntawd, piv nrog txawv teb chaws hlau hlua hluav taws xob hoists, muaj qhov sib txawv loj ntawm cov rwb thaiv tsev theem, kev tiv thaiv qib thiab suab nrov ntawm CD-hom hlau hlua hluav taws xob hoist txuam lub cev muaj zog.Nws raug nquahu kom siv 2, 4, thiab 6-ncej conical rotor motors hauv kev xaiv cov motors kom haum rau ntau yam kev ua haujlwm.Qhov rwb thaiv tsev ntawm lub cev muaj zog nce mus rau F thiab H, qib kev tiv thaiv yog nce mus rau IP54, thiab lub cev muaj zog yog muab cov khoom tiv thaiv overheat.Ntxiv nrog rau kev txhim kho kev tsim, kev ua haujlwm thiab kev tsim khoom raug ntawm lub cev muaj zog, lub suab nrov ntawm lub cev muaj zog yuav tsum tau txiav txim siab los ntawm kev tsim.Xav txog kev txo cov suab nrov hluav taws xob thiab cov pa cua Eddy ntsuas lub suab nrov tam sim no.Tus tsim ntawm lub cev muaj zog yuav tsum tau ua raws li lub hauv paus ntsiab lus ntawm kev faib ua hauj lwm theem los txhim kho kev siv ntawm ib lub tshuab.
6, Nws tuaj yeem pom los ntawm qhov chaw ua txhaum uas qhov kev ua txhaum cai tshwm sim los ntawm AC contactor account rau 10.3%.Cov kev sib cuag ntawm cov hluav taws xob hoist contactor uas twb muaj lawm yog ib qho yooj yim los hlawv.Yog vim li cas yog qhov sib npaug ntawm cov cua sov tam sim no ntawm lub cev muaj zog nrog rov ua lub luag haujlwm luv luv yog qhov loj heev.Tsis tas li ntawd, thaum lub sij hawm hloov dua siab tshiab, kev sib hloov yog ceev heev, thiab lub arc freewheeling ntawm tus contactor kuj yuav ua rau ib tug luv luv Circuit Court ntawm theem thiab hlawv tawm cov contactor ntawm lub contactor.Feem ntau, kev ua haujlwm tam sim no ntawm lub cev muaj zog tsawg dua li qhov ntsuas tam sim no, txawm hais tias qhov pib tam sim no yog 4 mus rau 7 npaug ntawm qhov ntsuas tam sim no, tab sis tom qab tag nrho, lub sijhawm luv luv, thiab kev puas tsuaj rau cov neeg sib cuag tsis loj.Thaum tsim tus contactor, tsuav yog lub peev xwm tiv tau ntau dua li qhov ntsuas tam sim no ntawm lub cev muaj zog.1.25x ua.Txawm li cas los xij, lub tshuab hluav taws xob hoist yog lub cev muaj zog hauv lub xeev ua haujlwm tshwj xeeb, nrog kev pib nquag thiab nres hauv qhov hnyav, thim rov qab kev sib txuas braking, thiab tsis zoo cua sov dissipation.Yog li ntawd, thaum xaiv lub tshuab hluav taws xob hoist contactor, raws li kev tsim qauv ntawm lub cev muaj zog, nws tsis ua raws li cov yam ntxwv ua haujlwm tiag tiag ntawm lub tshuab hluav taws xob hoist, thiab qhov kub ntawm lub contactor yog qhov tshwm sim tsis tau.Nws raug nquahu kom hloov lub peev xwm loj dua contactor, hluav taws xob hoist shock load, thiab hnyav load, nquag pib thiab nres, yuav tsum nce lub peev xwm 2-theem thaum xaiv tus contactor.
7, hluav taws xob hoist yuav tsum tau ntxiv nrog kev tiv thaiv hluav taws xob.Ntxiv nrog rau kev tiv thaiv sab sauv thiab qis qis, kev tiv thaiv overload, kev tiv thaiv theem tsis ua haujlwm thiab kev tiv thaiv hluav taws xob yuav tsum tau ntxiv.Tsim qauv nrog ntau yam kev ua haujlwm braking xws li: ob chav nres (lub tog raj kheej lub tog raj kheej nres lub log nres + kev kub ceev ncej them nyiaj nres), 3 lub tog raj kheej nres lub log nres + kev kub ceev ncej them nyiaj nres + reel lub rooj vag kev nyab xeeb).Hauv kev xaiv cov khoom siv ntawm cov hlua qhia, cov khoom siv siab hnav-tiv taus thiab lub zog siab txoj hlua yuav tsum tau xaiv ntau npaum li qhov ua tau los tiv thaiv kev sib tsoo xws li topping los ntawm kev puas tsuaj ntawm cov hlua qhia.
Post lub sij hawm: Mar-07-2022