LH Ob Chav Girder Nyiaj Siv Ua Haujlwm Crane Hoist Trolley Choj Crane

Cov yam ntxwv tseem ceeb ntawm LH Ob Chav Girder Nyiaj Siv Ua Haujlwm Crane:

Hoisting Mechanism

Nruab nrog hluav taws xob hoist (hlau hlua los yog saw) rau nqa thiab txo cov loads.

Common capacities muaj los ntawm1 ton rau 550 tonslos yog ntau dua.

Choj Girder Structure

Tib Girder (QD hom): Tus nqi -zoo, haum rau lub teeb rau nruab nrab- daim ntawv thov haujlwm (txog ~ 20 tons).

Ob chav Girder (QE hom): Ntau zog, siv rau hnyav - lub luag haujlwm nqa (ntau tshaj 20 tons).

Mus ncig teb chaws Mechanism

Lub crane txav nrogcov kab hluav taws xobntsia rau ntawm lub tsev kab los yog kev txhawb nqa.

Cov tsheb thauj khoom kawgnrog lub log tso cai rau kev txav mus ntev (crane mus ncig).

Lub hoist trolley txav horizontally hla tus choj (hla mus ncig).

Fais fab mov

Ua haujlwm rau3-theem AC zog(380V, 415V, 480V, thiab lwm yam, nyob ntawm thaj tsam).

Lub zog yog xa los ntawmfestoon system, cable reels, los yog conductor tuav.

Tswj System

pendant tswj (thawj- khawm pendant): Tus neeg teb xov tooj tswj lub crane ntawm lub thawv tuav.

Xov tooj cua chaw taws teeb tswj: Kev ua haujlwm wireless rau kev yooj yim.

Cabin tswj: Rau qhov hnyav -lub luag haujlwm lossis siab- cov ntawv thov raug, tus neeg teb xov tooj zaum hauv chav tsev.

Kev nyab xeeb nta

Kev tiv thaiv overload(limit switches).

Thaum muaj xwm ceev nres khawm.

Anti-kev sib tsoo tshuab(rau ntau lub cranes).

Txwv cov keyboards rau hoisting thiab mus ncig ua si.

 

Sib piv nrog lwm yam Crane

Feature	QC nyiaj siv ua haujlwm Crane	Gantry Crane	Jib Crane
Mobility	Tsau ntawm txoj kev khiav	Movable rau hauv av	Tsau / Rotary
Kev pab them nqi	Kev cob qhia tag nrho	Txwv los ntawm ob txhais ceg	cheeb tsam me me
Load Capacity	Txog li 550+ tons	Txog li 500 tons	Txog li 20 tons
Nqi	Nruab nrab	High (rau loj)	Tsawg

 

Lifting peev5 - 50 tons (txog 100+ tons rau hnyav-cov dej num)
Tshaj10-35m (kho tau)
Lifting Qhov siab10-30 m
Chav Ua Haujlwm Ua HaujlwmA6 (Lub Luag Haujlwm hnyav) lossis A7 (Lub Luag Haujlwm hnyav)
Kev khiav hauj lwm ceev -Hoisting: 5-20m / min
                              -Trolley Taug kev: 20 - 45 m / min
                              -Crane Taug Kev: 30 - 60 m / min

Qhov hluav taws xob380V / 50Hz lossis 480V / 60Hz (3-theem)
Qib tiv thaivIP55 (plua plav / dej-resistant)
Cov cuab yeej kev nyab xeebOverload limiter, nres thaum muaj xwm ceev, txwv kev hloov pauv, zam kev sib tsoo.

A LH Ob Chav Girder Nyiaj Siv Ua Haujlwm Cranemuaj ntau yam khoom siv hluav taws xob thiab hluav taws xob tseem ceeb uas ua haujlwm ua ke kom muaj kev nyab xeeb thiab muaj txiaj ntsig nqa thiab txav ntawm cov khoom thauj. Hauv qab no yog cov ncauj lus kom ntxaws ntawm nws cov khoom tseem ceeb:

 

1. Choj Girder (Main Load-Bearing Structure)

Tib Girder (QD hom): Ib lub thawv ib zaug -section lossis I- nqaj rau cov khoom sib dua (txog ~ 20 tons).

Ob chav Girder (QE hom): Ob qho tib si girders rau hnyav dua (20+ tons), muab kev ruaj ntseg zoo dua.

Xaus Tsheb: Lub log sib dhos ntawm ob qho kawg ntawm lub girder uas tso cai rau lub crane taug kev raws txoj kev khiav.

2. Hoisting Mechanism

Hluav taws xob Hoist(Xaiv hlua los yog saw Hoist):

Lub cev muaj zog: Fais fab lub zog hoisting (feem ntau AC lossis DC).

Nruas los yog Chain Sprocket: Cua / unwinds lub lifting nruab nrab.

Hlau hlua / Chain: Lifts lub load ntawm tus nuv lossis lwm yam txuas.

Hook Block: Lub rooj sib txoos uas tuav lub nra (tej zaum yuav suav nrog lub rooj sib tw).

Nres: Ua kom muaj kev ruaj ntseg nres thiab tuav lub nra.

3. Trolley (Nqa lub Hoist Raws Girder)

Trolley Ncej: Txhawb nqa lub hoist thiab txav raws lub girder.

Trolley Log: Dov ntawm lub girder lub flange qis los yog ntsia.

Trolley Tsav Tsav: Fais fab tus ntoo khaub lig-kev txav mus los (sab laug / txoj cai txav).

4. Khiav System (Supports Crane Movement)

Runway Beams: Nruab rau ntawm lub tsev kab lossis kev txhawb nqa dawb.

Txoj Kev Rails: Qhia lub crane txav (feem ntauPFC, I-beam, lossis square rails).

Rail Clamps: Khaws lub crane thaum tsis siv (yeem).

5. Kev Mus Los Mechanism (Crane Movement)

Tsav Motors: Fais fab lub crane txoj kev txav mus ntev (raws li txoj kev khiav).

Log & Axles: Mounted ntawm cov tsheb thauj khoom kawg rau kev mus ncig zoo.

Buffers / Shock Absorbers: Txo qhov cuam tshuam thaum lub crane mus txog qhov txwv.

6. Hluav taws xob & Tswj System

Fais fab mov:

Festoon System(sliding cable lem).

Kab rov tav(rau ntev -travel cranes).

Conductor Bars(rau cov ntawv thov hnyav-).

Tswj Devices:

Pendant Tswj(handheld push-khawm chaw nres tsheb).

Xov tooj cua chaw taws teeb tswj(kev ua haujlwm wireless).

Cabin Control(rau cov cab kuj).

Limit Switches:

Hoisting Limit Switch(tiv thaiv tshaj -lifting).

Mus txawv tebchaws Limit Hloov(nres crane ntawm qhov kawg ntawm txoj kev khiav).

Variable Frequency Drive (VFD): Rau kev tswj ceev ceev (yeem).

7. Kev ruaj ntseg Cheebtsam

Overload txwv: Tiv thaiv lifting tshaj qhov muaj peev xwm.

Khawm Nres Ceev: Tam sim ntawd txiav fais fab.

Anti-Txoj kev sib tsoo: Rau ntau lub cranes hauv tib cheeb tsam.

Cov cuab yeej ceeb toom: Buzzer lossis beacon rau kev ceeb toom.

8. Cov khoom siv yeem

Sib Nqus Lifter(rau steel phaj).

Rub lub thoob(rau cov ntaub ntawv loj xws li thee, xuab zeb).

Crane Nplai(qhov hnyav thaum nqa).

Crane Lub Koob Yees Duab(rau qhov muag tsis pom- saib xyuas qhov muag).

Sketch

Main technical

 

 

LH hom nyiaj siv ua haujlwm cranes (Electric Overhead Traveling Cranes) tau siv dav hauv kev lag luam thiab kev tsim kho vim lawv qhov ua tau zoo, kev ntseeg tau, thiab ntau yam. Nov yog lawv cov txiaj ntsig tseem ceeb:

1. Siab Load Capacity & Lifting Efficiency

Yuav ua li cas loads los ntawm1 ton rau 550+ tons, ua rau lawv haum rau ntau yam kev lag luam.

Kev nqa thiab txav nrawm dua piv rau phau ntawv hoists lossis forklifts.

2. Kev pab dav dav & kev yooj yim

Tsiv loadshorizontally (nyob ntawm txoj kev khiav)thiabvertically (hli).

tuaj yeem npog tag nrho qhov chaw ua haujlwm, tsis zoo li cov cranes ruaj khov.

3. Zog-Nyiaj & Nqi-Nyob zoo

Kev ua haujlwm hluav taws xob txo cov nqi roj piv rau cov roj av cranes.

Tsawg txij nkawm piv rau mobile cranes.

4. Kev nyab xeeb & txhim khu kev qha

Nruab nrogtiv thaiv overload, txwv keyboards, thiab nres thaum muaj xwm ceev.

Txo cov kev pheej hmoo ntawm kev ua haujlwm ntawm tes (tsawg dua kev sib tsoo ntau dua li forklifts).

5. Customizable Configurations

Muaj nyob rau hauvib leeg girder (QD hom, sib dua loads)los yogob chav girder (QE hom, hnyav-lub luag haujlwm).

Yuav haum nroghlau nplaum, grabs, los yog tshwj xeeb hooksrau cov khoom sib txawv.

6. Smooth & Precise Control

Variable Frequency Drives (VFDs)cia smooth acceleration/deceleration.

Kev xaiv raupendant tswj, chaw taws teeb tswj, lossis kev ua haujlwm hauv tsev.

7. Lub neej ua haujlwm ntev

Kev tsim kho steel muaj zog ua kom ruaj khov (20+ xyoo nrog kev tu kom zoo).

 

LH cranes yog siv nyob rau hauv yuav luag txhua qhov kev lag luam hnyav rau kev tuav cov khoom. Cov ntawv thov uas muaj xws li:

1. Kev tsim khoom & kev sib dhos cog

Tsiv cov khoom siv raw (steel, kav, machinery).

Muab cov khoom hnyav hauv automotive / aerospace industries.

2. Hlau & Hlau Industries

tuavsteel coils, ingots, thiab molten hlau(nrog tshwj xeeb foundry cranes).

Thauj khoom / unloading nyob rau hauv dov mills thiab forging khw.

3. Warehouse & Logistics

stacking thiab thauj cov khoom hnyav hauv cov chaw faib khoom.

Loading / unloading tsheb thauj khoom thiab ntim khoom.

4. Fais fab nroj tsuag & Lub zog sector

Kev kho ntawmturbines, generators, thiab transformers.

Tuav roj pas nrig hauv cov nroj tsuag nuclear (nrog cov cranes tshwj xeeb).

5. Kev tsim kho & Hnyav Engineering

Kev nqaprecast pob zeb, steel beams, thiab cov ntaub ntawv tsim kho.

Siv nyob rau hauv shipyards rau assembling loj lug.

6. Mining & Bulk Material tuav

Nruab nroggrabs los yog thoobrau coal, ore, thiab aggregates.

7. Ntawv & Tshuaj Kev Lag Luam

Txav cov yob loj ntawm cov ntawv lossis cov thawv ntim tshuaj.

 

Cov txheej txheem tsim khoom rau a45-tuj Ob Chav Girder Nyiaj Siv Ua Haujlwm Cranesuav nrog ntau theem tseem ceeb, txij li kev tsim qauv mus rau qhov kev sim zaum kawg. Hauv qab no yog cov kauj ruam ntxaws ntxaws -los ntawm - kauj ruam qhia:

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1. Tsim & Engineering

Load & Span xam: Txiav txim siab lub peev xwm crane (45 tons), ncua (nruab nrab ntawm txoj hlua), nqa qhov siab, thiab lub voj voog ua haujlwm (FEM / ISO classification).

Tus Qauv Tsim:

Main girders (lub thawv-hom lossis truss tsim)

Xaus carriages (rau kev txav raws li kev tsheb nqaj hlau)

Hoist thiab trolley mechanism

Hluav taws xob & Mechanical Design:

Lub cev muaj zog, gearbox, nres, thiab tswj qhov system

Hluav taws xob, pendant / xov tooj cua chaw taws teeb tswj, lossis kev ua haujlwm hauv tsev

Software & Simulation: Finite Element Analysis (FEA) rau kev ntsuam xyuas kev ntxhov siab.

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2. Kev yuav khoom

Steel Phaj & Profiles: High-zoo Q235B/Q345B steel rau girders.

Hluav taws xob Cheebtsam: Cov motors (hoist/travel), brakes, limit switches, and control panels.

Mechanical Parts: Log, iav, hlau hlua, hooks, thiab bearings.

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3. Fabrication ntawm Main Cheebtsam

A. Ob Chav Girder Fabrication

Txiav & Vuam: CNC plasma txiav rau precision; Tsis siv neeg submerged arc vuam (SAW) rau girders.

Kev sib dhos: Teem thiab weld girders nrog kawg carriages.

Tua Blasting & Painting: Anti-kev kho xeb (primer + topcoat).

B. Hoist & Trolley Assembly

Hoist Mechanism:

45-tuj hluav taws xob hlau hlua hoist (los yog saw hoist).

Nruas, lub cev muaj zog, gearbox, thiab nres sib dhos.

Trolley Ncej: Fabrication and mounting of wheels, motors, and rails.

C. Xaus Tsheb

Kev tsim kho ncej: Welded steel nrog lub log sib dhos.

Buffers & Bumpers: Kev teeb tsa rau kev tiv thaiv kev sib tsoo.

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4. Kev teeb tsa hluav taws xob

Txuas & Tswj:

Fais fab mov (3-theem AC)

Variable Frequency Drives (VFDs) rau kev ua haujlwm zoo

Pendant / chaw taws teeb tswj qhov system

Cov cuab yeej kev nyab xeeb:

Overload txwv

Limit switches (saum toj / qis mus ncig)

Thaum muaj xwm ceev nres

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5. Kev sib dhos & kev sib koom ua ke

Erection ntawm Girders: Mount ob chav girders mus rau qhov kawg carriages.

Trolley & Hoist Installation: Txoj hauj lwm trolley ntawm girders; ruaj ntseg hoist.

Rail Alignment: Xyuas kom cov tsheb ciav hlau khiav yog theem thiab sib npaug.

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6. Kev Ntsuas & Kev Tswj Xyuas Zoo

A. Factory Testing (ua ntej xa khoom)

Tsis muaj -Load Test: Khiav crane yam tsis muaj load los xyuas kev txav, nres, thiab tswj.

Load Test:

Kev Xeem Static: 1.25 × rated load (56.25 tons) rau 10 mins.

Dynamic Test: 1.1 × rated load (49.5 tons) nrog txav.

Kev kuaj xyuas kev nyab xeeb: Txheeb xyuas cov kev txwv txwv, nres thaum muaj xwm ceev, thiab kev tiv thaiv overload.

B. Ntawm -Site Testing (Tom qab kev teeb tsa)

Re-khiav cov kev xeem thauj khoom nyob rau hauv kev saib xyuas cov neeg siv khoom.

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7. Painting & Corrosion tiv thaiv

Txheej kawg: Huab cua- pleev xim rau (xws li, epoxy zinc-nplua nuj primer).

Cov cim: Daim ntawv lo rau lub peev xwm thauj khoom, ceeb toom, thiab cov ntaub ntawv tsim khoom.

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8. Ntim & Xa khoom

Disassembly (yog tias xav tau): Rau kev thauj mus los yooj yim.

Ntim: Waterproof wrapping rau hiav txwv / av shipping.

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9. Kev teeb tsa & Kev Ua Haujlwm (Ntawm -Site)

Runway Beam Inspection: Ua kom muaj kev sib raug zoo thiab muaj zog.

Crane Assembly: Reassemble girders, hoist, thiab hluav taws xob tshuab.

Kev Xeem Kawg: Ua cov kev xeem thauj khoom thiab kev cob qhia neeg ua haujlwm.

Rhiav saib:

Lub tuam txhab tau teeb tsa cov cuab yeej ntse tswj kev tswj hwm lub platform, thiab tau teeb tsa 310 teeb (teev) ntawm kev tuav thiab vuam robots. Tom qab ua tiav ntawm txoj kev npaj, yuav muaj ntau tshaj 500 teeb (sets), thiab cov khoom siv sib txuas sib txuas yuav ncav cuag 95% . 32 cov kab vuam tau muab tso rau hauv kev siv, 50 tau npaj los nruab, thiab automation tus nqi ntawm tag nrho cov khoom kab tau mus txog 85%.