Heavy Duty Qd Nyiaj Siv Ua Haujlwm Crane

QD Overhead Crane yog dab tsi?

QDfeem ntau hais txog aob-girder overhead crane qauvtsim rauhnyav luag hauj lwm industrial lifting-tseem hu ua EOT (Electric Overhead Traveling) crane. Cov yam ntxwv tseem ceeb muaj xws li:

Ob chav girder (ob chav nqaj) qauvrau siab dua load peev thiab rigidity. jrcranegroup ua.

Hnyav- chav haujlwm ua haujlwm(A5–A7, qee zaum mus txog A8), txhais tau tias nws tau tsim rau nquag, xav tau kev txhawb nqa.

Loj lifting muaj peev xwm, feem ntau los ntawm ~ 5 tuj txog 500 tuj lossis ntau dua nyob ntawm kev teeb tsa.

Siv nyob rau hauv factories, warehouses, steel mills, fais fab nroj tsuag, ports, thiab lwm yam.rau kev tuav cov khoom.

Cov cranes no taug kev longitudinally ntawm txoj kev khiav thiab muaj lub trolley uas txav mus tom qab, nrog hooks (lossis tshwj xeeb txuas) nqa thiab txo qis.

 

Overhead & Choj Crane Options

Ob Chav Girder Nyiaj Siv Ua Haujlwm Crane- Hnyav -cov dej num overhead crane daws nrog lub peev xwm nqa loj dua tsim nyog rau kev siv hauv kev lag luam (muaj zog dua li cov khoom siv teeb).

20 Tuj R&M QX Nyiaj Siv Ua Haujlwm Crane- Loj - cov khoom siv muaj peev xwm rau cov ntawv siv hnyav (piv txwv li, fabrication / warehouse).

R&M Nyiaj Siv Ua Haujlwm Crane Cov Khoom Siv nrog Hoist- Ua tiav cov kev daws teeb meem crane nrog hoist rau cov khoom hnyav.

Ua tiav Free Standing Overhead Choj Crane- Kev xaiv ywj pheej yog tias tsis muaj cov qauv khiav.

 

QD vs STANDARD OVERHEAD CRANES

Yam	Hnyav plaub ntug QD Crane	Standard Duty Crane
Lub luag hauj lwm Class	A6-A8 (M6-M8)	A3-A5 (M3-M5)
Tsim Lub Neej	30+ xyoo	20-25 xyoo
Safety Factor	Siab (5.5-6: 1)	Txheem (5: 1)
Khoom Zoo	Hwm, hnyav -lub luag haujlwm	Standard industrial
Tswj System	Advanced, feem ntau nrog VFD	Basic relay los yog PLC yooj yim
Kev tu	Ntau zaus, kwv yees	Txheem teem caij
Nqe Premium	25-50% siab dua	Tus nqi pib
Zoo tshaj rau	Nruam, xav tau siv	Nquag, siv dav

 

TECHNICAL SPECIFICATIONS EXAMPLE

Lifting peevTxog li 500+ tons rau cov ntawv thov tshwj xeeb
Lub luag haujlwm ClassificationSib npaug rau FEM M6, M7, M8
TshajTxog li 40m + nrog kev cai engineering
Nqa Qhov siabTxog li 50m rau kev teeb tsa tshwj xeeb
Lub voj voog ua haujlwmKev ua haujlwm tsis tu ncua hauv qee qhov kev siv

Ntawm no yog ib tug meej kev puas tsuaj ntawmCov khoom tseem ceeb ntawm qhov hnyav -duty QD qauv ob-girder overhead crane- hom feem ntau siv hauv kev lag luam tuav cov khoom siv (feem ntau hu ua aob -girder EOT crane) thiab tsim kom muaj peev xwm thauj khoom siab thiab ua haujlwm nquag:

Choj Structure (Steel Structure)

Main Girders (Double Girders)
Lub thawv- hom welded steel beams uas nqa cov load thiab trolley

Xaus Carriages (End Trucks)
Txuas lub ntsiab girders thiab khiav ntawm txoj kev tsheb ciav hlau

Taug kev & Handrails
Txhim kho kev nkag platforms ntawm tus choj

 

Lifting Mechanism

Hoist Assembly

Hoisting lub cev muaj zog

iav reducer

Hlau hlua nruas

Hlau hlua

Hook Block

Main nuv

Pab nuv (yeem, rau lub luag haujlwm hnyav)

Pulley / Sheave System

Trolley Mechanism

Trolley Ncej

Trolley Travel Tsav

Iav Reducer

Trolley Log

Nres System

Lub trolley txavhla tus chojnqa lub hoisting mechanism.

 

Crane Travel Mechanism

Bridge Travel Motors

Reducers / Gearboxes

Crane Log

Nres

Log Buffers

Qhov no mechanism txav tag nrho cov cranenrog rau txoj kab khiav.

 

Hluav taws xob & Tswj System

Main Electrical Control Txee

Zaus Inverters (VFD)- yeem

Limit Switches (Hoist & Travel)

Overload Protection System

Tswj Relays & Contactors

Fais fab Distribution Components

 

Power Supply System

Busbar / Conductor Rail System
Muab lub zog rau lub crane

Festoon Cable System
Muab lub zog rau lub trolley

Cable Trolleys & Cable Collectors

 

Operator Control System

Pendant Tswj

Xov tooj cua chaw taws teeb tswj

Tus neeg tsav tsheb Cabin (Cab Control)- rau cov dej num hnyav & muaj peev xwm cranes

Cov cuab yeej kev nyab xeeb

Overload txwv

Upper & qis hoisting txwv keyboards

Cov kev txwv kev mus ncig

Thaum muaj xwm ceev nres khawm

Rail clamps / cua clamps (siv sab nraum zoov)

Kev tiv thaiv - khoom siv sib tsoo (ntau lub cranes)

Tsis nres

Pab Koomtes

Lubrication system

Nameplates & load kab kos

Bolts, fasteners, pins

Xim & corrosion tiv thaiv system

Sketch

Main technical

 

 

Qhov zoo ntawm Heavy-Lub Luag Haujlwm QD Nyiaj Siv Ua Haujlwm Crane

1. Muaj peev xwm thauj khoom siab & lub zog muaj zog

Muab ob npaug rau-girder box qauv muabzoo heev rigidity thiab load faib

Haum raunruab nrab mus rau ultra{0}} hnyav nqa, feem ntau5–{1}} tons

Tsawg deflection nyob rau hauv tag nrho cov load, kom muaj kev ruaj ntseg thiab ruaj khov ua haujlwm

2. Hnyav-Lub Luag Haujlwm Ua Haujlwm

Tsim los rausiab - zaus thiab ua haujlwm tas mus li

Kev faib tawm ua haujlwm feem ntauA5-A7 (FEM 2m-4m)

Zoo tagnrho rau hnyav kev lag luam ib puag ncig nrog repetitive lifting cycles

3. Loj Span & High Lifting Qhov siab

Txhawb nqaloj spansthiabntau dua nuv mus ncig

Tso cai rau kev siv ntau tshaj plaws ntawm qhov chaw ua haujlwm

Haum rau factories nrogdav bays thiab cov tsev siab

4. High Lifting Efficiency

Independent motions rau:

Hoisting

Trolley taug kev

Choj taug kev

Pab tauceev, meej, thiab siv tau cov khoom siv

Txo kev tsim khoom downtime thiab nqi zog

5. Cov kev xaiv hloov tau yooj yim

Muaj nrog:

Main + auxiliary hoist

Cabin, pendant, lossis chaw taws teeb tswj

Variable Frequency Drives (VFD)

Yuav customized rautiv thaiv tshav kub, tiv thaiv plua plav, tawg- pov thawj, lwm.

6. Kev nyab xeeb zoo heev

Nruab nrog cov khoom siv kev nyab xeeb dav dav:

Overload txwv

Txwv cov keyboards

Thaum muaj xwm ceev nres

Anti-kev sib tsoo system

Conforms rauISO, FEM, GB, thiab CE cov qauv

7.Kev tu yooj yim & Lub neej ua haujlwm ntev

Txoj kev taug kev thiab kev tu lub platform txhim kho kev nkag tau yooj yim

Modular Cheebtsam tso caihloov ceev thiab kev pabcuam

High - cov ntaub ntawv zoo kom ntseeg tauntev ua haujlwm lifespan

 

Daim ntawv thov ntawm Hnyav -Lub Luag Haujlwm QD Nyiaj Siv Ua Haujlwm Crane

1.Manufacturing & Industrial Cog

Machinery manufacturing

Heavy khoom sib dhos

Pwm thiab tuag tuav

Qhov loj feem ntawm qhov chaw

2.Steel & Metallurgical Kev Lag Luam

Steel mills

Rolling Rhiav

Foundries

Billet, slab, thiab coil tuav

3.Power & Zog Kev Lag Luam

Kev tsim kho fais fab

Turbine thiab generator installation

Transformer tuav

Nuclear thiab thermal fais fab chaw

4.Shipbuilding & Hnyav Fabrication

Nkoj nkoj

Offshore qauv fabrication

Loj welded sib dhos

Module nqa kev ua haujlwm

5.Kev tsim kho & kev tsim vaj tsev

Choj tsim cov nroj tsuag

Precast qhob vaj tse

Loj steel qauv rhiav

Tunnel thiab shield tshuab los ua ke

6.Warehousing & Logistics (Havy Load)

Steel khoom warehouses

Machinery chaw cia khoom

Chaw nres nkoj inland logistics chaw

Hnyav cargo hloov chaw nres tsheb

 

Hnyav-Lub luag haujlwm QD Nyiaj siv ua haujlwm Crane Txheej Txheem

1. Tsim & Engineering

Load peev, span, lifting qhov siab, lub luag hauj lwm chav kawm ntawv lees paub

Structural zog xam (girder deflection, kev nyuaj siab tsom xam)

Xaiv cov hoist, motors, reducers, brakes, thiab hluav taws xob system

Daim duab tso zis: kev npaj dav dav, kos duab kos duab, hluav taws xob schematics

Cov qauv siv:GB / FEM / ISO / CE (raws li xav tau)

2.Raw Material Preparation

Siab -lub zog steel phaj thiab ntu

Kev tshuaj xyuas steel:

Thickness pov thawj

Kev ntsuam xyuas cov cuab yeej cuab tam

Surface defect tshuaj xyuas

Cov ntaub ntawv pov thawj siv rau cov ntawv siv hnyav -

3. Main Girder Fabrication

Hlau phaj txiav (CNC nplaim taws / plasma txiav)

Kev sib dhos ntawm lub thawv- hom ob lub girders

Tsis siv neeg submerged arc vuam

Weld seam tshuaj xyuas (UT / MT qhov xav tau)

Girder cambering thiab straightness kho

4.End Carriage Manufacturing

Xaus beam vuam thiab machining

Installation ntawm:

Crane log

Cov kabmob

iav reducers

Tsav tsheb mus txawv tebchaws

Braking systems

Alignment thiab dimensional precision check

5. Machining & Component ua

Precision machining ntawm:

Log shafts

Cov rooj zaum

Kev sib txuas flanges

Kev kho deg ntawm machined qhov chaw

Kev sim sib dhos ntawm cov khoom siv kho tshuab

6. Hoisting & Trolley los ua ke

Kev sib dhos ntawm hoisting mechanism:

Hoist lub cev muaj zog

iav reducer

Hlau hlua nruas

Hlau hlua

Hook block (lub ntsiab & pab yog tias xav tau)

Trolley ncej sib dhos

Trolley khiav kev sim thiab nres hloov

7. Kev teeb tsa hluav taws xob

Installation ntawm:

Tswj txee

Motors thiab txwv hloov pauv

Overload tiv thaiv system

VFD (yog tias muaj)

Cov kab mob:

Choj taug kev system

Trolley mus ncig teb chaws system

Hoisting system

Hluav taws xob rwb thaiv tsev thiab kev soj ntsuam txuas ntxiv

8. Kev kho deg & pleev xim

Tua blasting rau Sa2.5 tus qauv

Anti-corrosion primer txheej

Daim ntawv thov xim nruab nrab thiab tiav

Xim thiab thickness tshuaj xyuas

Cov txheej txheem tshwj xeeb muaj (marine, tshav kub-resistant, epoxy)

9.Pre-Kev Sib Tham & Kev Xeem Lub Hoobkas

Tag nrho crane ua ntej- sib dhos (los yog cov rooj sib txoos loj)

Tsis muaj -load haujlwm kuaj

Load test (static & dynamic)

Kev mus ncig, hoisting, braking, thiab txwv kev hloov pauv

Kev tshuaj xyuas suab nrov thiab kev vibration

10.Quality Inspection & Certification

Dimensional soj ntsuam

Welding zoo soj ntsuam

Hluav taws xob soj ntsuam kev nyab xeeb

Load test ntawv pov thawj

Thib peb-kev tshuaj ntsuam xyuas (SGS, BV, TUV yog tias xav tau)

11.Packing & Delivery

Disassembly rau kev thauj mus los

Export - txheem ntim:

Cov qauv hlau tiv thaiv

Hluav taws xob qhov chaw kaw

Spare xeem sau npe

Cov ntaub ntawv:

Cov neeg siv phau ntawv

Daim ntawv pov thawj

Installation drawings

Daim ntawv pov thawj zoo

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%.