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50 / 10T A4 QB Type 31.5m Span Electric Double Girder Overhead Crane
All motors and electrical explosion-proof performance of QB type explosion-proof bridge crane comply with GB3836.2-2000 "Electrical Equipment for Explosive Gas Environment Part II: Flameproof Type d", the performance of the whole machine conforms to the standard of JB/T5897-2006"Explosion-proof Bridge Crane", and has been inspected by the state-designated explosion-proof products The unit passed the inspection and obtained the "Explosion-proof Certificate". The explosion-proof signs are respectively Exd ll BT4 or Exd ll CT4.
This product is suitable for places where the explosion-proof capability is not higher than ll B or ll C in the factory, and the ignition temperature group is not lower than this group of flammable gases or explosive gas mixtures formed by steam and air. (See GB3836.1-2000).
Safe system
Weight overload protection device
Emergency stop system
Over current Protection, Short-circuit Protection
Phase sequence protection
Zero position protection, No-Voltage protection, convenient and simple operation.
Protective earth conductor is fitted as standard
Voltage lower protection system
Current overload protection system
High protection level IP44,IP54,IP55
Long and cross travel limit switch
Anti-falling protection of trolley and crane prevents from accidental falling
High quality long time bearing polyurethane materials buffer fixed at the end of trolley travelling and crane travelling to prevent over traveling
Safety hook latch used for avoiding the lifted material out off from the hook
Audible and visual alarm device to inform the person stay near by the travelling crane
Rain Cover for lifting mechanism of outdoor cranes, electric cabinet and driving mechanism
Technical parameters:
| Lifting weight(t) | 5 | 10 | 16 | 20 | |
| Span(m) | 10.5~31.5 | ||||
| Max Lifting height(m) | 6~30 | ||||
| Working class | A6,A7 | ||||
| Speed(m/min) | Main Hoisting | 12.9,15.66 | 10.4,15.3 | 10.4,13.3 | 8.6,9.8 |
| Speed(m/min) | Trolley Cross Traveling | 43.8,44.6,42.4 | |||
| Speed(m/min) | Crane Long Traveling | 70,80 | |||
| Motor Type | Heavy Duty Slip ring Motor | ||||
| Motor (Kw) | Main Hoisting | 26,30 | 34,45 | 42,55 | 63,90 |
| Trolley Cross Traveling | 2.5,4,6.3 | ||||
| Crane Long Traveling | 2*4,2*5.5,2*7.5,2*8.5,2*11 | ||||
| Control mode | Pendent line control,Remote control,Cabin control | ||||
| Recommended Rail model | 38kgs/m,43kgs/m,QU70 | ||||
| Power source | 3Ph A.C 50Hz 380V | ||||
1). What's the information should I provide when inquiry?
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