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Pemasok yang Diaudit Double Girder Overhead Crane Explosion Proof Crane With Hoist
QB explosion-proof bridge double beam crane/explosion-proof vehicle referred to as "explosion-proof crane", is explosion-proof electric hoist for the lifting mechanism of double beam bridge crane, in line with JB/T10219-2001 "explosion-proof beam crane" standard provisions, mature technology, reliable, simple structure, small appearance, light weight, installation, use, convenient maintenance.
Environmental conditions: three-phase AC power supply, rated frequency 50HZ, rated voltage 380V; The ambient temperature is -20 ºC to 40ºC. The relative humidity shall not exceed 50% when working at 40ºC indoors, and can be as high as 100% for a short time when working at 25ºC outdoors. The elevation of the installation site shall not exceed 2000m.
This product is widely used in chemical factories, warehouses and storage yards, with ground and driver's cab in two forms, the driver's cab is divided into open and closed, installation form is divided into left and right, entry direction is divided into side, end face, for users to choose according to their own use.
Mechanical parts of QB Model double girders Anti explosion or exproof eot crane:
Double welding box girder, beam deflection with DIN/FEM standard
Steel Material: Chinese standard steel Q235B,Q345B
Manual brush painting,One alkyd iron red primer painting, two alkyd orange enamel finish painting
Epoxy zinc-rich primer painting for one bottoms and two sides of 120μm thick, to achieve a long lifespan, beautiful appearance and good luster.
The girder and end beam are connected together by high strength bolts to ensure the structure strength and precision of the whole machine.
The end beams are equipped with flat wheel or double rim wheels, anti-friction bearings, buffer blocks and derailment preventing plate
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 | ||||
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