Lub crane Load Moment Indicator (LMI) system tuaj yeem muab lub tswb tsis raug vim yog cov cim tsis raug, cov kab hluav taws xob puas, kev sib txuas lus tsis raug, calibration yuam kev, cov lus qhia tsis raug, lossis cov ntaub ntawv tsis ruaj khov los ntawm lub kaum ntse ntse, qhov ntev, thiab lub siab sensors. Thaum lub crane qhia txog kev ceeb toom overload yam tsis tau nqa lub nra hnyav, qhov teeb meem feem ntau tsis yog lub peev xwm nqa nws tus kheej tab sis cov ntaub ntawv tsis raug xa mus rau LMI maub los. Qhov teeb meem no cuam tshuam rau cov tswv lag luam mobile crane, cov tuam txhab saib xyuas, cov chaw xauj tsev, thiab cov tswv crane siv cov khoom siv los ntawm cov khoom lag luam xws li XCMG, SANY, Zoomlion, thiab lwm cov chaw tsim khoom. Cov lus qhia no piav qhia txog cov laj thawj feem ntau ntawm kev ceeb toom tsis tseeb LMI, yuav ua li cas txheeb xyuas cov khoom tsis raug, thiab qhov hloov pauv yuav tsum tau kuaj xyuas ua ntej hloov tag nrho cov kab ke.

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Lub Tswb False Crane LMI txhais li cas?

Lub crane LMI system yog tsim los saib xyuas cov haujlwm tseem ceeb, suav nrog:

• Load hnyav
• Boom ntev
• Boom lub kaum sab xis
• Ua haujlwm vojvoog
• Hydraulic siab
• Crane configuration

Thaum lub kaw lus pom tias lub crane mus txog lossis dhau qhov kev txwv kev nyab xeeb, nws qhib cov lus ceeb toom lossis kev txwv.

Txawm li cas los xij, lub tswb cuav tshwm sim thaum:

• Lub crane ua haujlwm nyob rau hauv qhov chaw nyab xeeb
• Qhov tseeb lifting load yog qhov qub
• Cov zaub qhia cov ntaub ntawv tsis raug
• Lub kaw lus mam li nco dheev ceeb toom overload

Cov tsos mob xws li:

• Overload tswb nrog tsis hnyav load
• Tsis yog load feem pua
• Tsis ncaj boom ntev nyeem ntawv
• Kev suav lub vojvoog tsis raug
• Sensor yuam kev codes
• Tso dej khov
• Lub tswb nrov thaum ua haujlwm

Lub tswb tsis tseeb LMI yuav tsum tsis txhob tsuas yog tsis quav ntsej vim hais tias lub kaw lus kuj tseem yuav tsis muab kev tiv thaiv thaum muaj xwm txheej ntau dhau.

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Crane LMI System Ua Haujlwm Li Cas?

Ua tiav crane LMI system feem ntau suav nrog ntau lub tshuab hluav taws xob ua haujlwm ua ke:

1. Load siab sensor
2. Boom lub kaum ntse ntse sensor
3. Boom ntev sensor
4. Kab rov tav system
5. LMI computer/controller
6. Saib xyuas
7. Hluav taws xob thiab kev sib txuas lus system

Tus maub los sau cov cim los ntawm cov sensors sib txawv thiab xam:

• Qhov tseeb load
• Safe lifting muaj peev xwm
• Ua haujlwm vojvoog
• Overload xwm txheej

Yog tias ib lub sensor muab cov ntaub ntawv tsis raug, tag nrho cov kev suav yuav ua tsis raug.

Piv txwv li:

• Tsis ncaj boom lub kaum sab xis → tsis yog lub vojvoog suav
• Tsis ncaj ncees lawm boom ntev → xam muaj peev xwm tsis raug
• Tsis raug siab teeb liab → xam load tsis raug

Yog li ntawd, kev daws teeb meem yuav tsum pib los ntawm lub teeb liab qhov chaw es tsis txhob hloov tam sim ntawd LMI system.

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Ua rau 1: Crane Angle Sensor muab cov ntaub ntawv tsis raug

Lub boom lub kaum ntse ntse sensor yog ib qho tseem ceeb tshaj plaws nyob rau hauv lub LMI system.

Nws ntsuas:

• Boom elevation lub kaum sab xis
• Crane ua haujlwm
• Radius xam input

Thaum lub kaum sab xis sensor tsis ua haujlwm, cov neeg ua haujlwm yuav pom:

• Lub kaum sab xis tso saib tsis phim qhov tseeb boom txoj haujlwm
• Load chart xam yuav tsis raug
• Tswb tshwm thaum lub sijhawm ua haujlwm li qub
• Lub voj voog ua haujlwm hloov pauv

Feem ntau ua rau muaj xws li:

• Sensor aging
• Sab hauv hluav taws xob tsis ua haujlwm
• Loose connector
• Kev puas tsuaj
• calibration tsis raug
• Mechanical installation deviation

XZJMD muab crane hluav taws xob Cheebtsam suav nrog Crane Lub kaum ntse ntse Sensor kev daws teeb meem rau XCMG, SANY, Zoomlion thiab lwm yam kev siv crane.

Thaum hloov lub kaum sab xis sensor, cov neeg yuav khoom yuav tsum paub meej tias:

• Crane hom
• Crane qauv
• Original sensor part naj npawb
• Hom Connector
• Voltage specification
• Calibration xav tau

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Ua rau 2: Boom Length Sensor lossis Cable Reel Failure

Lub boom ntev sensor ntsuas deb npaum li cas lub crane boom txuas ntxiv.

Feem ntau cov tshuab siv lub tshuab cable reel los ntsuas boom txuas ntxiv.

Feem ntau tsis ua haujlwm muaj xws li:

• Cable puas
• Reel caij nplooj ntoos hlav tsis ua haujlwm
• Teeb liab cuam tshuam
• Cov lus teb ntev tsis raug
• Internal encoder tsis ua haujlwm

Tej yam tsos mob:

• Boom ntev tso tawm tsis raug
• LMI tswb tshwm thaum lub sij hawm boom txuas ntxiv
• Ntev tus nqi dhia randomly
• System tsis tuaj yeem paub txog txoj haujlwm boom

XZJMD khoom siv crane Cable Reel Box cov khoom siv rau boom ntev ntsuas thiab LMI teeb liab kis tau tus mob.

Cov ntawv thov uas muaj xws li:

• XCMG crane cable reel
• SANY crane cable reel
• Zoomlion crane cable reel
• Hirschmann cable reel hloov

Ua ntej txiav txim siab hloov cable reel, cov neeg siv khoom yuav tsum muab:

• Original part number
• Cable ntev
• Connector duab
• Crane qauv
• Cov tsos mob uas twb muaj lawm

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Ua rau 3: Hydraulic Pressure Sensor Failure

Lub siab sensor hloov hydraulic siab mus rau hauv lub teeb liab hluav taws xob.

Lub LMI maub los siv cov ntaub ntawv no los xam qhov tseeb nqa nqa.

Thaum lub siab sensor ua tsis raug, teeb meem yuav muaj xws li:

• False overload tswb
• Tsis yog load feem pua
• Unstable load nyeem ntawv
• Kev nyeem ntawv sib txawv nyob rau hauv cov xwm txheej zoo sib xws

Tej yam ua tau:

• Sensor aging
• Hydraulic paug
• Voltage instability
• Connector corrosion
• Sab hauv Circuit Court puas

XZJMD muab Crane Sensor Cheebtsam suav nrog lub siab sensors siv hauv crane xyuas daim ntawv thov.

Thaum kuaj pom qhov teeb meem ntawm lub siab sensor, cov kws kho mob yuav tsum xyuas:

• Sensor tso zis voltage
• Txuas txuas txuas ntxiv
• Hydraulic siab mob
• Controller input signal
• Calibration parameters

Hloov lub sensor yam tsis muaj calibration yuav tsis daws qhov teeb meem kiag li.

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Ua rau 4: LMI zaub lossis saib xyuas teeb meem kev sib txuas lus

Qee zaum cov sensors ua haujlwm kom raug, tab sis cov zaub qhia cov ntaub ntawv tsis raug.

Cov teeb meem kev saib xyuas muaj xws li:

• Frozen npo
• Cov ntaub ntawv ploj lawm
• Kev sib txuas lus yuam kev
• Cov lus ceeb toom tsis raug
• Tsis muaj lus teb tom qab pib

Yog vim li cas:

• CAN kev sib txuas lus tsis ua haujlwm
• Kev puas tsuaj cable kev sib txuas lus
• Software parameter poob
• Qhia kho vajtse tsis ua hauj lwm
• Cov qauv kev teeb tsa tsis raug

XZJMD khoom siv crane LMI Saib Xyuas thiab Tso Tawm Cov Cheebtsam rau ntau hom cranes.

Cov khoom no yog siv rau:

• Load zaub
• Tswb qhia
• Parameter xyuas
• Tus neeg teb xov tooj interface hloov

Thaum hloov LMI zaub, cov neeg siv khoom yuav tsum paub meej tias:

• Crane qauv
• Original zaub qauv
• Kev sib txuas lus raws tu qauv
• Software version
• Connector configuration

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Ua rau 5: LMI Mainboard lossis Controller Failure

LMI maub los yog lub hauv paus ua haujlwm ntawm kev nyab xeeb.

Nws tau txais:

• Sensor teeb liab
• Crane configuration cov ntaub ntawv
• Load daim ntawv qhia

Tom qab ntawd nws suav cov xwm txheej nqa kev nyab xeeb.

Cov teeb meem tswj yuav ua rau:

• Random tswb
• Kev xam load tsis raug
• Kev sib txuas lus sensor tsis ua haujlwm
• System rov pib dua
• Tsis tso zis tso zis

XZJMD muab Crane Motherboard thiab Control Cheebtsam suav nrog hloov cov laug cam rau XCMG, Zoomlion thiab lwm lub tshuab crane.

Cov xwm txheej sib hloov:

• Thawj maub los txiav
• Dej puas
• Cov khoom siv hluav taws xob tsis ua haujlwm
• Program poob
• Kev sib txuas lus yuam kev

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Ua rau 6: Calibration Cov ntaub ntawv tsis sib xws Crane Configuration

Lub sensor tshiab lossis cov zaub tsis tas yuav ua haujlwm tam sim tom qab kev teeb tsa.

LMI system xav kom raug:

• Crane qauv parameter
• Load chart data
• Sensor calibration nqi
• Boom configuration
• Hydraulic tsis

calibration tsis raug tuaj yeem ua rau:

• False overload ceeb toom
• Tsis muaj peev xwm tso saib
• Kev suav lub vojvoog yuam kev
• Kev ua haujlwm crane tsawg

Qhov no feem ntau tshwm sim tom qab:

• Kev hloov sensor
• Kev hloov pauv hloov
• Kev hloov pauv
• Kev hloov kho crane

Ib qho khoom siv hloov pauv yuav tsum ua raws li tus thawj crane configuration.

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Yuav daws teeb meem li cas Crane LMI False Alarm?

Cov txheej txheem daws teeb meem siv tau:

Kauj ruam 1: Xyuas lub tswb Code

Cov ntaub ntawv:

• Cov lus yuam kev
• Fault code
• Lub sijhawm tshwm sim
• Kev ua haujlwm ntawm crane

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Kauj ruam 2: Sib piv cov ntaub ntawv tso saib nrog cov xwm txheej tiag

Tshawb xyuas:

• Qhov tseeb boom lub kaum sab xis
• Qhov tseeb boom ntev
• Qhov tseeb load
• Tso saib nyeem

Txheeb xyuas qhov parameter tsis raug.

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Kauj Ruam 3: Tshawb xyuas kev sib txuas ntawm Sensor

Tshawb xyuas:

• Cable hlua
• Cov khoom sib txuas
• Corrosion
• Cable puas
• Loos terminals

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Kauj Ruam 4: Ntsuas Tus Kheej Sensors

Tshawb xyuas:

• Lub kaum sab xis sensor tso zis
• Siab sensor teeb liab
• Length sensor tawm tswv yim

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Kauj Ruam 5: Txheeb xyuas tus tswj kev sib txuas lus

Tshawb xyuas:

• CAN kev sib txuas lus
• Software parameters
• Tswj xwm txheej

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Kauj ruam 6: Recalibrate tom qab hloov

Tom qab hloov:

• Sensor
• Zaub
• Tus tswj
• Kab rov tav

lub kaw lus yuav xav tau kev hloov kho parameter thiab calibration.

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Cov Crane LMI Cov Cheebtsam Feem Ntau Hloov Li Cas?

Feem ntau hloov LMI cov khoom muaj feem xyuam nrog suav nrog:

Crane LMI zaub

Rau:

• Screen tsis ua hauj lwm
• Teeb meem kev sib txuas lus
• Kev hloov pauv

Khoom nplooj:

Monitor / LMI zaub

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Crane Sensors

Xws li:

• Lub kaum ntse ntse sensor
• Siab sensor
• Ntev sensor

Khoom nplooj:

Crane Sensors

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Cable Reel Box

Siv rau:

• Boom ntev ntsuas
• Teeb liab kis tau tus mob

Khoom nplooj:

Crane Cable Reel Box

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LMI Controller / Mainboard

Siv rau:

• Kev ua cov ntaub ntawv
• Kev hloov qhov system
• Kev kho hluav taws xob

Khoom nplooj:

Crane Motherboard

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Cov ntaub ntawv dab tsi uas cov neeg yuav khoom yuav tsum muab ua ntej xaj LMI Parts?

Txhawm rau txheeb xyuas qhov hloov pauv kom raug, cov neeg yuav khoom yuav tsum muab:

Muab cov ntaub ntawv ua tiav pab cov neeg xa khoom kom tsis txhob muaj qhov tsis raug.

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Lub Crane qub puas tuaj yeem hloov kho nrog LMI System tshiab?

Yog lawm.

Ntau tus neeg laus cranes ntsib teeb meem vim:

• Thawj LMI qhov chaw raug txiav tawm
• Cov duab puas lawm
• Cov tswj tsis tuaj yeem kho
• Sensors tsis muaj

Ib qho LMI retrofit daws yuav suav nrog:

• Tshiab tso saib
• Tshiab tswj
• Tshiab sensors
• Kab rov tav
• Cable hlua
• Kev pabcuam Calibration

XZJMD muab crane hluav taws xob hloov cov kev daws teeb meem thiab txhawb nqa LMI system hloov khoom dua tshiab rau ntau hom crane.

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Cov lus nug nquag

Vim li cas kuv lub crane qhia overload tsis muaj qhov hnyav?

Tej yam tshwm sim muaj xws li:

• Siab sensor yuam kev
• Lub kaum sab xis sensor deviation
• calibration tsis raug
• Tswj kev sib txuas lus teeb meem

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Kuv yuav rov pib dua lub tswb LMI crane li cas?

Txoj kev raug yog nyob ntawm tus qauv crane thiab lub tswb nrov. Kev rov kho dua yam tsis tau daws qhov txhaum yuav cuam tshuam kev tiv thaiv kev nyab xeeb tseem ceeb.

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Puas yog hloov lub LMI sensor xav tau calibration?

Feem ntau yog. Kev hloov pauv sensor yuav tsum phim cov crane configuration thiab calibration tsis.

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Puas yog ib qho kev puas tsuaj cable reel ua rau lub tswb nrov dhau?

Yog lawm. Cov ntaub ntawv tsis raug boom ntev tuaj yeem cuam tshuam rau LMI suav thiab ua rau cov lus ceeb toom tsis raug.

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Kuv tuaj yeem nrhiav qhov tseeb crane LMI hloov qhov twg?

Muab:

• Crane qauv
• Original part number
• Daim duab
• Kev piav qhia yuam kev

Tom qab ntawd tus neeg muag khoom tuaj yeem paub meej tias kev sib raug zoo.

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Xav tau kev pab kuaj xyuas koj qhov teeb meem Crane LMI?

Lub tswb tsis tseeb LMI feem ntau yog tshwm sim los ntawm cov teeb liab tsis raug, teeb meem kev sib txuas lus, cov khoom puas, lossis teeb meem calibration.

Ua ntej hloov tag nrho cov system, xyuas:

• Sensor mob
• Cov lus qhia txog kab rov tav
• Muab kev sib txuas lus
• Tswj xwm txheej
• Calibration parameters

XZJMD muab cov khoom siv crane LMI suav nrog:

• Load Moment Indicator Displays
• Sensors
• Cable Reel Boxes
• Cov tswj
• Mainboards
• Hloov cov khoom siv hluav taws xob

Rau kev txhawb nqa lossis hloov cov lus pom zoo, thov muab:

• Crane hom
• Crane qauv
• Fault code
• Original part number
• Cov duab khoom

Hu rau XZJMD rau crane LMI qhov chaw thiab kev hloov kev daws teeb meem.