50 Ton Container Road and Bridge Double Girder Overhead Gantry Crane with Trolley and Hoist

Keyword:Double Girder Gantry Cranes   Time:2019-4-13 14:07:20

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 Product Parameters of Double girder gantry cranes

 Capacity: 50/5t
 Max. Lifting Height: 11m
 Lifting Speed: 8m/min
 Max. Span: 35m
 Work Duty: A5-A8
 Cantilever: One or both sides, the length are all on your option.

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Safety feature of Double girder gantry cranes

1. Limit Switch

    Safety limit switches for stoppers prevent over traveling in all motions.

2. Anti collision device
    When two crane traveling on the same rail, the cranes will install the following devices:
    Anti-collision device, Infrared non-contact and inductive type limit device
    Sound and light alarm device, Wireless anti-collision device

 3. Weight overload protection device
    Includes automatic stopping type lifting weight limiter and weight display device.

 4. Lifting limit switch and traveling limit switch

 5. Emergency stop system

 6. Electrical protection
    The main insulation switch, emergency stop switch, short circuit, Zero voltage protection, loss of field protection, Current overload protection, over speed protection, zero position protection
    Phase sequence protection and adopted crane special anti-vibration contactor etc.

 7.Interlock device
    It sets interlock device for the cabin door and the other door from cabin into bridge structure, when the door is opened, the crane cannot work.

 8. Sub-assemblies characteristic are tested before assembly;

 9. All cranes must be pre-assembled and tested before leaving factory and offer the certification of test.

Control method:
 (1) Pendent line control
 (2) Remote control
 (3) Cabin control
 (4) Or choose any of them to be a combination!

 (1) Process: Sandblast, Primer, finishing paint
 (2) Color: Yellow, Red, Blue etc. (according to your demand).
 (3) Average thickness: above 120 microns.(According to your demand).

 1.Power source is three-phase alternating current, rated frequency is 50Hz, rated Voltage is 380V.
 2.The altitude height of site is ought to be less than 2000M.
 3.Flammable, explosive and corrosive gas are forbidden in the work environment.
 4.The crane is forbidden to lift fuse and blend deleterious article and flammable explosive article.

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