Dab tsi yog 5 yam tseem ceeb ntawm hydraulic system?

Raws li cov tub ntxhais fais fab kis tau tus mob ntawm cov cuab yeej siv niaj hnub no, cov tshuab hydraulic ua lub luag haujlwm tsis tuaj yeem hloov pauv hauv cov cuab yeej hnyav xws li excavators. Daim ntawv no siv lub tshuab hydraulic ntawm excavators ua cov khoom tshawb fawb, tshuaj xyuas nws tsib yam tseem ceeb hauv kev nthuav dav, thiab sib tham txog cov xwm txheej ntawm daim ntawv thov thiab kev loj hlob zeem muag ntawm cov tshuab hydraulic hauv Honduras raws li lub teb chaws thaj chaw ib puag ncig tshwj xeeb thiab cov kev xav tau ntawm engineering.

Taw qhia

Txij li thaum nws pib nyob rau hauv nruab nrab-19th caug xyoo, hydraulic technology tau dhau los ua ib qho tseem ceeb ntawm kev xa xov hluav taws xob rau cov tshuab siv niaj hnub no. Nyob rau hauv lub tshav pob ntawm excavators, hydraulic systems yuav luag tag nrho cov tsoos mechanical kis tau tus mob txoj kev vim lawv zoo xws li lub zog ceev ceev, hloov tau yooj yim layout, thiab dav ceev ntau yam. Raws li kev tshawb fawb kev lag luam, thoob ntiaj teb thiab Tuam Tshoj siv tshuab hydraulic system kev lag luam tau qhia txog kev loj hlob sai. Ntawm lawv, hydraulic kis tau tus mob, raws li ib tug ntawm cov tseem ceeb Cheebtsam, yog siv nyob rau hauv ntau tshaj 90% ntawm excavators thoob ntiaj teb. Kev ua haujlwm ntawm cov tshuab no ncaj qha txiav txim siab cov cuab yeej ua haujlwm ua haujlwm, roj kev lag luam, thiab kev pabcuam lub neej.

Raws li lub teb chaws tsim kho tseem ceeb hauv Central America, Honduras tau pom kev xav tau kev tsim kho vaj tse nyob rau xyoo tas los no, nrog rau kev ua haujlwm tsuas thiab kev tsim kho txoj kev ua haujlwm ua rau muaj kev loj hlob tsis tu ncua hauv kev thov rau excavators thiab lwm yam tshuab hnyav. Txawm li cas los xij, lub teb chaws cov toj roob hauv pes, kev nyab xeeb huab cua, thiab kev txhim kho kev tsim kho tsis zoo ua rau muaj teeb meem tshwj xeeb rau cov tshuab hydraulic. Kev nkag siab zoo txog cov ntsiab lus tseem ceeb ntawm excavator hydraulic systems thiab lawv cov kev hloov pauv rau Honduras 'ib puag ncig tej yam kev mob yog qhov tseem ceeb rau kev xaiv cov khoom siv, kev saib xyuas, thiab kev ua haujlwm zoo.

Daim ntawv no yuav pib nrog tsib yam tseem ceeb ntawm hydraulic system, ua ke nrog cov xwm txheej hauv cheeb tsam ntawm Honduras, txheeb xyuas cov yam ntxwv ntawm cov qauv, kev ua haujlwm hauv paus ntsiab lus thiab kev saib xyuas cov ntsiab lus ntawm hydraulic system ntawm excavator, thiab sib piv qhov zoo thiab qhov tsis zoo ntawm cov txheej txheem sib txawv los ntawm lub rooj, thiab thaum kawg tos ntsoov rau txoj kev loj hlob ntawm hydraulic technology hauv lub tebchaws.

Tsib Basic Cheebtsam ntawm Excavator Hydraulic System

1. Hydraulic fais fab caij (hydraulic twj tso kua mis)

Raws li 'lub plawv' ntawm lub kaw lus, lub twj tso kua mis hydraulic hloov kho lub zog rau hauv lub zog hydraulic kom lub zog tag nrho. Feem ntau siv hom hydraulic twj tso kua mis hauv excavators muaj xws li:

Iav twj tso kua mis: Nws muaj cov qauv yooj yim thiab tus nqi qis, tab sis nws qhov kev ua tau zoo kuj tsawg. Nws feem ntau yog siv nyob rau hauv me me excavators los yog auxiliary systems.

Hniav twj tso kua mis: Tsis tshua muaj suab nrov, tsis zoo txaus tus nqi, tab sis yuav tsum tau muaj roj huv huv

Axial piston twj tso kua mis (qhov tseem ceeb xaiv): kev ua haujlwm siab (txog 95%), siab siab (35-40 MPa), thiab lub neej ua haujlwm ntev, dav siv nyob rau hauv niaj hnub nruab nrab thiab loj excavators.

Hauv Honduras 'tropical kev nyab xeeb, kub siab tuaj yeem ua rau cov roj viscosity nce siab, uas tuaj yeem txo cov twj tso kua mis. Cov neeg siv hauv zos yuav tsum tau them nyiaj tshwj xeeb rau:

Xaiv cov roj Hydraulic nrog Higher Viscosity Index rau High Temperature Environments

Tsis tu ncua saib xyuas qhov nkag thiab qhov hluav taws xob siab ntawm lub twj tso kua mis kom tiv thaiv cavitation

Thaum lub caij los nag, ceev faj kom tsis txhob muaj dej nkag mus rau hauv qhov system thiab tom qab corrosion.

Table 1 Sib piv ntawm Hydraulic Pump Hom rau Cov Excavators Common hauv Honduras

2. Hydraulic Actuators (Hydraulic Lub tog raj kheej thiab lub cev muaj zog)

Hydraulic actuators hloov hydraulic zog rov qab rau hauv lub zog txhua yam los ua ntau yam haujlwm. Excavators feem ntau siv ob hom actuators:

Hydraulic lub tog raj kheej (linear motion):

Lub luag haujlwm rau caj npab, boom, thiab thoob txav ntawm lub excavator

Lub roob toj roob hauv pes ntawm Honduras xav tau hydraulic thooj voos kheej kheej kom muaj zog lateral quab yuam ua haujlwm

Hauv kev siv mining, txheej txheej zoo ntawm lub piston pas nrig yog qhov tseem ceeb, vim nws tiv thaiv kev hnav tsis zoo.

Hydraulic lub cev muaj zog (rotary motion):

Excavator Rotary Platform thiab Taug Kev Mechanism

Nyob rau hauv qhov chaw ntub dej ntawm Honduras, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev sib khi ntawm cov motors.

Kev pib nquag- nres kev ua haujlwm ua rau muaj kev xav tau siab dua ntawm kev ua haujlwm ntawm lub cev muaj zog.

Honduras 'kev tsim kho vaj tse feem ntau koom nrog kev ua haujlwm hauv txoj kab nqes, uas xav tau kev ua haujlwm zoo tshaj plaws los ntawm hydraulic actuators. Cov neeg ua haujlwm yuav tsum zam qhov siab - cuam tshuam nrawm ntawm qhov kawg ntawm cov hlab ntsha kom ntev lub neej kev pabcuam ntawm cov ntsaws ruaj ruaj.

3. Hydraulic tswj Cheebtsam (valve assemblies)

Lub valve hydraulic yog "cov hlab ntsha" ntawm qhov system, tswj lub siab, ntws tus nqi, thiab kev taw qhia ntawm cov kua dej. Qhov tseem ceeb li qub hauv hydraulic system ntawm excavator muaj xws li:

Lub ntsiab tswj valve: ntau -chaw nres nkoj valve qauv uas tswj kev ua haujlwm ntawm ntau yam actuating ntsiab

Siab tswj li qub (nrog rau kev nyab xeeb li qub thiab siab- txo li qub, thiab lwm yam, siv los tiv thaiv lub cev los ntawm kev tshaj tawm)

Flow tswj valve (rau kev tswj qhov ceev ntawm tus actuator kom ua tiav kev ua haujlwm zoo)

Hauv Honduras, kev hloov pauv ntawm lub rooj sib txoos valve ntsib cov teeb meem hauv qab no:

High Dust Environment Accelerates Valve Core Hnav

Qhov kub thiab txias tuaj yeem ua rau kom muaj kev laus ntawm cov ntsaws ruaj ruaj

Cov neeg ua haujlwm tu cov neeg ua haujlwm tsis txaus ua rau muaj kev hloov kho tsis raug ntawm cov rooj sib txoos valve

Cov kev daws teeb meem suav nrog:

Xaiv lub valve pawg configuration nrog tiv thaiv npog

Siv cov khoom siv hluavtaws roj hmab sealing

Txhim khu kev cob qhia neeg ua haujlwm

4. Hydraulic Auxiliary Cheebtsam

Txawm hais tias cov koom haum pabcuam tsis koom ncaj qha rau hauv kev hloov pauv lub zog, lawv tseem ceeb heev rau kev ntseeg siab thiab kev ua neej, suav nrog:

roj tank:

Nyob rau hauv qhov siab - qhov kub thiab txias ib puag ncig ntawm Honduras, nws yog ib qho tsim nyog yuav tsum tau ua kom lub tshav kub dissipation cheeb tsam.

Tiv thaiv dej nkag thaum lub caij ntuj sov los nag

lim:

High -cov ntxaij lim dej ua tau zoo nrog cov cim qhia clogging raug pom zoo.

Shorten lub voj voog hloov hauv qhov chaw muaj plua plav

chiller:

Cov khoom siv cua txias yuav tsum tau ntxiv thaum tsim nyog.

Ntxuav lub radiator fins tsis tu ncua los tiv thaiv kev thaiv los ntawm kab thiab khib nyiab.

Cov kav dej thiab fittings:

Siv UV-cov tubing tiv thaiv kom tsis txhob muaj kev laus los ntawm kev raug tshav ntuj ncaj qha tshav ntuj

Cov kav dej hlau kho nrog kev tiv thaiv- kev ntsuas corrosion yuav tsum tau siv nyob rau hauv qhov chaw siab - cov av noo.

Cov kev paub hauv cheeb tsam hauv Honduras qhia tau hais tias kev saib xyuas zoo ntawm cov khoom siv pabcuam ncaj qha cuam tshuam rau lub voj voog ntawm lub tshuab hydraulic, thiab kev saib xyuas zoo tuaj yeem txuas ntxiv kev pabcuam lub neej ntawm hydraulic system ntau dua 30%.

5. Hydraulic ua hauj lwm nruab nrab (hydraulic roj)

Cov roj hydraulic ua haujlwm rau ntau yam hauv lub cev, suav nrog kev hloov hluav taws xob, lubrication, txias, thiab tiv thaiv xeb. Thaum xaiv cov roj hydraulic rau Honduras cov haujlwm tshwj xeeb, cov hauv qab no yuav tsum tau xav txog:

Kev ntsuas viscosity: ISO VG 46 lossis 68 raug pom zoo, AW series muaj rau siab -kev siv kub

Additive: Yuav tsum muaj cov tshuaj tua kab mob zoo heev thiab xeb - cov khoom pov thawj

Kev huv huv: Ua raws li ISO 4406 cov qauv nruj me ntsis, ua tiav lub hom phiaj kev huv huv ntawm 18/16/13 lossis zoo dua

Cov lus nug nquag nug txog kev ua lag luam Honduran:

Siv cov roj hydraulic tsis zoo lossis sib xyaw ntau hom roj hydraulic los txiav cov nqi

Kev hloov roj ntau dhau ua rau cov roj oxidation hnyav heev

Kev cia khoom tsis zoo ua rau cov roj nqus dej noo

Kev ntsuas pom zoo:

Tsim kom muaj kev tswj hwm roj tus qauv

Kev nqis peev hauv cov cuab yeej ntsuas roj kom ntseeg tau tias cov roj hloov raws li qhov zoo

Txhim kho lub sealing thiab lub cev qhuav dej pom cov roj tank hauv lub caij los nag

Kev tshuaj xyuas tshwj xeeb ntawm Daim Ntawv Thov Scenario hauv Honduras

Honduras muaj ib tug complex struts nrog kev hloov pauv tseem ceeb ntawm ntug dej hiav txwv Caribbean mus rau hauv toj roob hauv pes, uas ua rau muaj kev sib txawv ntawm cov txheej txheem hydraulic ntawm excavators.

1. Daim ntawv thov ntawm ntug hiav txwv dej

ib puag ncig zoo:

Corrosion ntawm Hlau Cheebtsam Accelerated los ntawm High Salt Cua

Cov av mos yuav tsum muaj cov khoom siv nrog kev ruaj ntseg zoo dua

Cov lus qhia rau kev hloov kho hydraulic system:

Txhim khu kev tiv thaiv- kev kho corrosion, xws li stainless hlau kav thiab plating

Lub cev muaj zog taug kev yog nruab nrog cov khoom tiv thaiv - plam valve los tiv thaiv kev poob.

Teem lub siab ua haujlwm qis kom ua haujlwm tau meej

2. Daim ntawv thov nyob rau hauv Central Mountainous Area

ib puag ncig zoo:

Qhov siab tseem ceeb hloov nrog txoj kab nqes

Qhov kub thiab txias sib txawv nrog qhov siab, thiab qhov ntsuas kub ntawm diurnal yog pronounced.

Hydraulic system hloov kho:

Ua kom muaj zog braking system kom tiv thaiv txoj kab nqes

Siv dav kub hydraulic roj nrog ntau dua viscosity index

Txhim khu hydraulic roj txias muaj peev xwm

3. Daim ntawv thov kuv

ib puag ncig zoo:

tsis tshua muaj plua plav concentration

siab load cuam tshuam

Cov cuab yeej siv tau ua haujlwm tsis tu ncua ntev.

Hydraulic system hloov kho:

Siv lub siab -siab filtration system

Kev tsim lub tog raj kheej Buffer

Ua kom cov roj tank muaj peev xwm thiab ua kom txias

Table 2: Cov lus pom zoo rau Excavator Hydraulic System Configuration nyob rau ntau thaj tsam ntawm Honduras

Kev Kho Mob thiab Kev Ntsuas Fault

Raws li kev ua haujlwm ntawm Honduras, kev saib xyuas kev tshawb fawb lub tswv yim tuaj yeem txhim kho kev ntseeg siab ntawm hydraulic system.

1. Cov ntsiab lus tseem ceeb ntawm kev tu txhua hnub

Roj tswj:

Saib xyuas cov dej noo thiab acid nqi txhua hli

Siv cov thawv ntim tshwj xeeb rau kev thauj cov roj hydraulic

Cov roj tshiab kuj yuav tsum tau lim ua ntej muab ntxiv.

Filter txij nkawm:

Hloov tam sim yog tias qhov sib txawv siab tshaj 0.3MPa

Tsis tu ncua sau cov qauv roj rau kev suav particle

Kev kuaj xyuas dej xau:

Kev tshuaj xyuas txhua lub lim tiam ntawm kev sib koom ua ke

Foob rau cov khoom seem tshwj xeeb

2. Kev txhaum thiab kev daws teeb meem

Qhov system overheating:

Tej yam ua tau: kev ua kom txias txias, qib roj tsawg, ntau dhau ntawm lub twj tso kua mis sab hauv

Honduras tov: nce ntxoov ntxoo canopies, huv si txias tsis tu ncua

bradypragia:

Tej yam ua tau: txo lub twj tso kua mis efficiency, valve stalling, sab hauv to

Kev kuaj mob ceev hauv zos: sib piv kev ua tiav ceev ntawm txhua lub tsev kom cais qhov tsis raug

Suab nrov txawv txav:

Tej yam ua tau: cavitation, bearing puas, misalignment ntawm coupling

Kev tiv thaiv kev tiv thaiv: xyuas kom cov roj suction kab tseem tsis muaj kev cuam tshuam thiab ua cov kev kuaj xyuas kom zoo.

Summary thiab Outlook

Raws li cov txheej txheem tseem ceeb ntawm excavators, hydraulic system yog tsib lub ntsiab lus tseem ceeb -cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv tswj, cov khoom siv, thiab cov kua dej ua haujlwm - yuav tsum muaj kev teeb tsa thiab kev saib xyuas kom ncaj qha rau kev txiav txim siab cov cuab yeej ua tau zoo thiab kev pabcuam lub neej hauv Honduras ' complex ib puag ncig. Los ntawm kev txheeb xyuas ntawm cov xwm txheej hauv zos, peb tuaj yeem kos cov lus xaus hauv qab no:

Kev hloov kho kom haum yog qhov tseem ceeb: Cov txheej txheem excavator hydraulic yuav tsum tau hloov kho tshwj xeeb rau Honduras 'tropical climate, mountainous structure, and high-} ib puag ncig muaj kuab paug, npog cov khoom xaiv, cua sov dissipation, thiab sealing kev ua tau zoo.

Kev xav tau ceev ceev rau kev saib xyuas kab lis kev cai: Piv nrog rau cov teb chaws tsim, Honduras tseem muaj chaw tseem ceeb rau kev txhim kho hauv kev tiv thaiv kev saib xyuas cov tshuab hydraulic, yuav tsum tau txhim kho kev cob qhia thiab kev txhim kho kev kho vaj tse.

Localization yog txoj hauv kev rau pem hauv ntej: thoob ntiaj teb cov hom lag luam yuav tsum tsim cov pab pawg txhawb nqa hauv cheeb tsam thiab tswj cov khoom seem seem kom txo tau cov sij hawm teb.

Saib ua ntej, cov tshuab hydraulic rau excavators hauv Honduras yuav tsum ua raws li cov qauv tseem ceeb no:

Ntse nta: Nruab nrog cov sensors thiab cov chaw taws teeb saib xyuas, nws ua rau muaj kev ceeb toom thaum ntxov thiab kev saib xyuas kev kwv yees, them nyiaj rau cov kev txwv hauv zos.

Kev siv hluav taws xob zoo: Lub kaw lus siv cov khoom thauj -sensing thev naus laus zis thiab hydraulic hybrid zog, txo qis roj noj- qhov zoo tshaj plaws rau Honduras, lub teb chaws uas muaj kev vam khom hnyav rau cov roj tuaj txawv teb chaws.

Modular tsim: pab txhawb kev hloov pauv sai thiab txij nkawm, yoog raws li kev ua haujlwm hauv thaj chaw deb.

Ib puag ncig-cov roj hydraulic zoo: Kev nce qib thiab kev siv cov roj biodegradable hydraulic tuaj yeem txo qhov kev pheej hmoo ntawm kev ua qias tuaj rau thaj chaw sov.

Raws li Honduras txhim kho nws cov kev tsim kho vaj tse thiab kev ua haujlwm mining tob zuj zus, qhov kev thov rau siab - excavators kev ua tau zoo yuav loj tuaj. Kev sib koom ua ke ntawm hydraulic system kev tsim kho tshiab nrog cov ntawv thov hauv zos yuav muab cov cuab yeej siv tau zoo thiab txhim khu kev qha rau lub teb chaws txoj kev tsim kho, thaum tseem ua rau muaj txiaj ntsig zoo hauv kev siv tshuab hydraulic nyob rau hauv ib puag ncig siab. Cov neeg siv hauv zos tau qhia kom koom tes nrog cov tuam txhab tsim kho kom zoo dua cov txheej txheem kev teeb tsa rau kev ua haujlwm tshwj xeeb, thiab nqis peev hauv kev cob qhia rau cov neeg ua haujlwm thiab cov neeg ua haujlwm tu kom paub txog qhov ua tau zoo ntawm cov tshuab hydraulic.

Nyob zoo, Kuv yog Jason Wang, tus sau tsab ntawv no. Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv muab excavator qhov chaw, muab siab - cov khoom zoo rau cov lag luam nyob rau hauv ntau tshaj 50 lub teb chaws thoob ntiaj teb. Los ntawm cov khw kho me me mus rau cov neeg muag khoom loj, peb cov neeg siv khoom cia siab rau peb kom ruaj khov thiab meej excavator qhov chaw uas ua tau raws li cov qauv kev lag luam. Peb cov khoom siv dav siv xws li excavator couplings, roj hmab mounts, hydraulic Cheebtsam, lim, hluav taws xob qhov chaw, undercarriage qhov chaw, thiab lwm yam, npog ntau yam hom thiab qauv. Txawm hais tias siv rau kev tsim kho, mining, kev ua liaj ua teb, lossis kev siv tshuab hnyav, peb cov khoom tau tsim los tiv thaiv kev xav tau ntawm kev ua haujlwm, ua kom ntseeg tau tias kev ua tau zoo thiab kev ua haujlwm ntev.

Facebookib: https://www.facebook.com/ziyue.wang.942