Tsis zoo li av -raws li cranes,marine cranesyuav tsum hais txog yim qhov kev phom sij ntawm ntug dej hiav txwv ib txhij: kev nyab xeeb ntawm kev thauj khoom, kev txwv tsis pub nres, nkoj yob thiab luas, lub zog hnyav tshwm sim los ntawm nthwv dej, tiv thaiv tawg, nres thaum muaj xwm txheej ceev, tiv thaiv - kev sib tsoo, thiab kev sib tsoo & cua tsis kam. Lub kaw lus ua tiav yog tswj hwm los ntawm cov qauv tsim nyog suav nrog SOLAS, CCS / ABS / DNV, thiab API 2C, thiab muaj yim lub hauv paus: kev tiv thaiv lub sijhawm thauj khoom, kev txwv kev mus ncig, kev ruaj ntseg nres, kev txiav thaum muaj xwm ceev -tawm, ib puag ncig & tiv thaiv- kev sib tsoo, kev tiv thaiv hluav taws xob tawg, kev ruaj ntseg marine ruaj khov, thiab saib xyuas lub thawv dub.
I. Load and Moment Safety Protection System – Yuav tsum tau Core System rau Marine Cranes
1. LMI Load Moment Indicator
-- Txuj kev nyab xeeb haum rau tag nrho cov marine cranes ntawm 5t thiab siab dua; high-precision lub sij hawm sensors yog yuav tsum tau rau units tshaj 20t.
-- Lub LMI sau cov ntaub ntawv ntawm lub sijhawm ntawm kev nqa nqa, lub kaum sab xis, thiab qhov ntev ntawm lub pob, thiab suav lub sijhawm tiag tiag ntawm cov qauv: Lub Sijhawm Tiag M=Load × Radius. Tom qab ntawd nws hla kev txheeb xyuas tus nqi tawm tsam Safe Working Load (SWL) sib raug rau lub vojvoog tam sim no:
• 90% ~ 95% lub sijhawm ntsuas: hnov thiab pom pom ua ntej- tswb nrog cov ntawv liab ceeb toom ntawm lub vijtsam
• 105% lub sij hawm ntsuas: Kev phom sij cuam tshuam (nqa, luffing tawm, thiab slewing sab nraud txwv tsis pub; tsuas yog luffing hauv thiab txo tus nuv rau load tawm tso cai)
• 110% SWL: Ua kom tiav lub zog kaw thiab crane kaw; manual reset yog yuav tsum tau rau restart
-- Me me hydraulic cranestxais yuav siab sensors rau indirect load ntsuas.
-- Offshore cranesyog nruab nrog dual redundant lub sij hawm sensors nrog ib tug ntsuas qhov yuam kev ntawm tsawg dua los yog sib npaug rau 2%.
2. Ntau-Hom Load Switching
Rau marine cranes txhawb ntau- kev ua haujlwm nrog kev nqa nqa,ntes, los yogntim cov thawv ntim khoom, kev ywj pheej overload thresholds yog teem rau txhua hom kev ua hauj lwm los tiv thaiv kev tiv thaiv tsis tseeb tshwm sim nyob rau hauv tag nrho lob load tej yam kev mob.
3. Tiag tiag -Lub Sijhawm Nyhav Zaub ntawm Tus Neeg Siv Khoom Console
Tus neeg teb xov tooj alarm ntawm YFM Crane yog haum nrog ib lub sij hawm tso saib screen, muab tag nrho cov duab ntawm lub nyob load thiab siab tshaj plaws lifting peev xwm ntawm lub voj voog tam sim no. Kev tsis ua haujlwm LMI raug txwv nruj heev.
II. Multi-Travel Limit Protection
Dual-theem redundant tsim los tiv thaiv dhau-hoisting, tshaj-luffing, thiab tshaj-slewing
Txhua txoj kev txav ntawm YFMmarine craneyog nruab nrog kev tiv thaiv dual: thawj qhov kev txwv kev ua haujlwm + kev txwv qhov xwm txheej thib ob:
1. Hoist Qhov siab txwv
- Thawj qhov txwv: Tsis siv neeg nres hoisting thaum tus nuv mus ze lub taub hau jib;
- Secondary qhov kawg txwv: Txiav tawm lub zog hoisting quab yuam yog tias qhov kev txwv tseem ceeb tsis ua haujlwm, zam lub rub tawm tawm ntawm lub jib sab saum toj.
2. Kev txwv qhov tob
Txwv qhov qis tshaj plaws unwinding txoj hauj lwm ntawm hlau ropes los tiv thaiv tag nrho cov hlua disengagement ntawm lub nruas thiab nuv ntog overboard.
3. Luffing Limit (Jib Lifting & Lowering)
- Qhov tsawg kawg nkaus radius txwv (tag nrho retracted jib);
- Lub vojvoog siab tshaj plaws (jib txuas mus rau qhov chaw nyob deb tshaj plaws, qhov twg Safe Working Load (SWL)) poob qis; dhau -luffing yuav qhib lub sijhawm tiv thaiv tam sim).
4. Slewing Angle txwv
Txwv qhov siab tshaj plaws sab laug / sab xis slewing ntau kom tsis txhob sib tsoo ntawm lub jib nrog superstructures, hatch coamings, thiab masts;
YFM tag nrho -slewing marine cranes yog haum nrog 360℃tsis txwv kev txwv.
5. Override Bypass Hloov
Rau kev siv tu nkaus xwb, ruaj nrog lub qhov tseem ceeb lossis kev tiv thaiv npog. Kev txwv nruj nruj thaum lub sijhawm ua haujlwm ib txwm muaj. Nruam audible thiab pom lub tswb yog qhib thaum lub bypass koom.
III. Brake Safety System
Rau marine cranes xav tau kev faib pawg neeg pov thawj, kaw - caij nplooj ntoos hlav nres yuav tsum haum rau hoisting thiab luffing mechanisms, uas tau txais lub zog los yog hydraulic siab poob, nrog rau kev nyab xeeb yam tsis muaj tsawg tshaj li 1.5:
- Main Service Nres: Siv rau kev pib li qub- nres thiab txo qis braking;
- Emergency Safety Brake (Secondary Brake): Instantly koom nyob rau hauv cov xwm txheej ntawm lub ntsiab nres tsis ua hauj lwm, lub hwj chim txiav -tawm los yog hydraulic siab poob;
- Phau ntawv ceev xwm ceev Nres Tso Tawm Ntaus: Manually tso tus nres kom txo cov loads maj mam mus rau qhov chaw nyab xeeb thaum lub sij hawm offshore fais fab tuag, tshem tawm cov kev pheej hmoo ntawm kev ncua loads sab laug tsis muaj neeg saib xyuas;
- Slewing Damping Nres: Restrains inertial slewing ntawm lub jib nyob rau hauv lub nkoj dov motion tiv thaiv load swinging;
- Ntxiv Fittings rau Travelling Marine Cranes: Rail clamps ntxiv rau kev tsheb nqaj hlau thauj tog rau nkoj, muab cua tiv thaiv thiab tiv thaiv- plam tiv thaiv cov npe nkoj.
IV. Emergency Stop & Safety Cut-off System
1. Ntau - txoj haujlwm Emergency Stop Buttons
Hard-wired cut-tawm Circuit Court rau marine cranes, ywj siab ntawm PLC tswj.
- Nceb liab- lub taub hau thaum muaj xwm ceev nres khawm ntawm lub ntsiab tswj console hauv tus neeg teb xov tooj cabin;
- Kev pabcuam thaum muaj xwm txheej ceev tau nruab rau ntawm lub hauv paus crane thiab ob sab ntawm kev taug kev platform;
- Ncaj nraim txiav tawm tag nrho lub zog hydraulic thiab lub zog tseem ceeb thaum ua txhaum, koom nrog txhua tus nres kom tag nrho lub xauv - nce.
2. Main Power Supply Protection
Tsis siv neeg puv crane kaw nyob rau hauv cov ntaub ntawv ntawm luv luv Circuit Court, hluav taws xob to, lub cev muaj zog overload los yog siab heev hydraulic roj kub; Kev tiv thaiv dual siab nrog siab - siab dhau thiab qis - siab tsis saib xyuas rau hydraulic system.
3. Mechanical Interlock Protection
Hluav taws xob interlock rau hoisting, luffing, thiab slewing motions ntawm lub crane. Kev ua haujlwm ib txhij ntawm ntau lub tshuab nyob rau hauv qhov kev txwv huab cua txwv tsis pub kom tsis txhob muaj lub sijhawm sib xyaw ntau dhau.
V. Marine Special Stabilization & Environmental Safety Systems - Tshwj xeeb rau Shipboard Cranes
1. Vessel Heel & Trim Interlock Protection
Shipboard cranestau nruab nrog ua -hauv nkoj inclination sensors:
- Rau cov txheej txheem lawj cranes: Lifting peev yog cia li txwv, thiab mus ncig ceev txo thaum lub nkoj pob taws tshaj 5℃los yog trim tshaj 2 degree;
- Lub hoisting muaj nuj nqi yuav raug kaw tag nrho ib zaug qhov tso cai inclination lub kaum sab xis dhau los tiv thaiv crane capsizing.
Offshore AHC cranesyog haum nrog Active Heave Compensation (AHC) systems, uas tiv thaiv nthwv dej -tsim ntsug ntsug hauv lub sijhawm tiag tiag kom tswj tau qhov sib txuas qhov siab tsis tu ncua ntawm thaj av hiav txwv thiab tshem tawm cov khoom hnyav dhau.
2. Anti-Sway Control System
Lub tshuab hluav taws xob tswj tau hloov kho qhov nrawm thiab nrawm nrawm rau hoisting, slewing, thiab luffing motions, txwv tsis pub thauj khoom sway nyob rau hauv ± 0.5℃kom tsis txhob cargo sib tsoo nrog lub hull lossis cov neeg ua haujlwm raug mob.
3. Cua ceev kev nyab xeeb kev tiv thaiv
Cua ceev sensors tsis tu ncua saib lawj cua tshaj tawm:
- Lub tswb tau tshwm sim thaum cua ceev tshaj qhov chaw nyab xeeb (feem ntau 12 m / s);
- Kev ua haujlwm hoisting thiab slewing yog txwv tsis pub nyob rau hauv huab cua huab cua, thiab lub jib yuav tsum tau thim rov qab mus rau qhov tsawg kawg nkaus lub vojvoog rau anchoring.
4. Cua Resistance Anchoring Device
Thaum lubnkoj cranetsis muaj kev pab cuam, plaub- txheej txheej kev ruaj ntseg yog siv: jib retraction, nqes mus rau hauv av, slewing xauv pins, rail clamps, thiab cua txiv leej tub cables, muab kev ntseeg siab rau cua daj cua dub.
VI. Anti-Kev Sib tsoo Kev Nyab Xeeb Subsystem
1. Laser/Ultrasonic Area Scanning Anti-Tau qhov system
Thaum ntau lub nkoj cranes ua haujlwm nyob rau tib lub lawj, lossis thaum mus txog rau lub kaus mom thiab cov txheej txheem loj, lub kaw lus scans obstacles los ua kom txo qis ua ntej. Nws yuav kaw lub crane tam sim ntawd yog tias cov cuab yeej nkag mus rau hauv thaj chaw nyab xeeb.
2. Lub cev muaj zog txwv nres
Mechanical stoppers haum rau qhov kawg txoj hauj lwm ntawm slewing thiab luffing taw, ua hauj lwm raws li qhov kawg lub cev thaub qab rau hluav taws xob txwv keyboards.
3. Hatch Zone Txoj Haujlwm Txwv Kev Ua Haujlwm
Qhov siab tshaj plaws tso cai load yuav cia li txo thaum lub jib txav saum lub hatch qhib.
VII. Hluav taws xob & Explosion -Proof Safety System
Marine cranes ntsia rau ntawm cov roj tankers thiab cov khoom siv tshuaj lom neeg yuav tsum tau nruab nrog Ex tawg -cov ntaub ntawv pov thawj.
- Tag nrho cov kev tswj hluav taws xob muaj kev tiv thaiv kev tiv thaiv ntawm IP54 ~ IP66, tiv taus cov ntsev tsuag, dej nag, thiab lawj txaws.
- Explosion-cov qauv pov thawj rau Zone 1 / Zone 2: Ex d flameproof motors, tawg-cov pov thawj solenoid li qub, tawg-cov pov thawj tswj lub thawv, thiab cov sensors intrinsically muaj kev nyab xeeb.
- Lub ntiaj teb, kev tiv thaiv xob laim, thiab cov khoom siv tiv thaiv hluav taws xob, ntxiv rau kev tiv thaiv kev tiv thaiv rau xob laim -ib puag ncig sab nraud.
- Multi- taw tes kub & kua theem tswb rau roj kub, hydraulic roj paug, lub cev muaj zog kub, thiab hydraulic kua theem; lub crane yuav cia li nres kom txias thaum overheating tshwm sim.
VIII. Lub tswb nrov thiab pom kev, yees duab soj ntsuam thiab kev nyab xeeb cov ntaub ntawv Dub Box
1. Qib Audible & Visual Alarms
- Ua ntej- ceeb toom: Amber lub teeb + tsis sib xws buzzer (ua rau thaum nyob ze ntawm qhov ntsuas, mus txog qhov txwv txoj haujlwm lossis qis dua cua nrawm)
- Fault & Hazard Tswb: Lub teeb liab + tsis tu ncua siab siab -decibel siren (ua los ntawm overload, ntau lub luffing lub kaum sab xis, nres thaum muaj xwm ceev thiab qhov kawg txwv actuation)
Mobile marine cranes emit audible and visual warning signals thaum lub sij hawm taug kev mus rau ceeb toom cov neeg coob coob kom paub meej.
2. Visual Surveillance System
Ntau lub koob yees duab tau muab tso rau hauv marine crane cabin, suav nrog kev saib xyuas nyiaj siv ua haujlwm, jib tip view, thiab deck operation zone view, tshem tawm tag nrho cov qhov muag tsis pom.
3. Kev ruaj ntseg cov ntaub ntawv kaw
Yuav tsum tau rau tag nrho cov marine cranes. Nws tsis tu ncua cov ntaub ntawv nqa nqa, kev tshaj tawm, lub sijhawm txav mus los, tshaj lub tswb nrov, nres thaum muaj xwm ceev, lub kaum ntse ntse, thiab cov ntaub ntawv cua ceev nrog lub sijhawm khaws cia tsis pub tsawg tshaj 90 hnub.
Ua kom tiav cov ntaub ntawv sau tseg yuav tsum tau muab rau kev sib tsoo hauv hiav txwv traceability thiab kev tshawb fawb txhua xyoo los ntawm kev faib cov koom haum.
IX. Txhawb Mechanical Safety Accessories
Passive Protective Devices rau Nkoj Cranes
- Txoj hlua tiv thaiv-poob cov khoom siv thiab kev tiv thaiv txoj hlua tawg
- Hook kev ruaj ntseg latches thiab pulley guards
- Overload buffer relief li qub los tiv thaiv kev puas tsuaj los ntawm kev cuam tshuam tam sim ntawd
- Txoj kev taug kev guardrails, tiv thaiv- lub platforms plam, thiab kev khiav tawm thaum muaj xwm txheej ceev
- Maintenance locking pins: mechanically lock the jib and slewing mechanism thaum lub sij hawm tu kom tshem tawm kev sib tsoo
X. Cov Cai Siv Tau & Cov Qauv
- Cov qauv thoob ntiaj tebSOLAS Tshooj II-1 Txoj Cai 3-13, ISO 10245, API Specification 2C (Offshore Cranes)
- Kev faib haiv neeg txoj cai: CCS Cov Cai rau Nkoj Lifting Appliances, ABS Cov Cai, DNVGL-ST-0378
- Cov qauv hluav taws xobTS EN 60204-32 Kev nyab xeeb ntawm cov tshuab - Cov khoom siv hluav taws xob ntawm cov tshuab - Ntu 32: Cov kev xav tau ntawm cov tshuab nqa
Kev khiav hauj lwm Logic ntawm Ua tiav Kev Nyab Xeeb Kev Nyab Xeeb rau Nkoj Cranes
Qhov tseem ceeb ua ntu zus (los ntawm siab tshaj mus rau qis tshaj):
→ Mechanical hard limit switches/Emergency stop (qhov tseem ceeb tshaj plaws, txiav fais fab -tawm ncaj qha)
→ Load moment overload tiv thaiv
→ Vessel pob taws / trim & cua ceev ib puag ncig txwv
→ Hluav taws xob mus ncig tsis txwv keyboards
→ Interlocks rau mechanism txav
→ Audible & visual pre- tswb ceeb toom
→ Tag nrho - voj voog cov ntaub ntawv kaw & cia
👍 www.yfm-crane.com
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👍 anne@yfm-crane.com/info@yfm-crane.com
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