Electric Single Girder Overhead Crane

Electric Single Girder Overhead Crane LD type electric single girder overhead cranes is the most commen crane. It has the advantage of light deadweight, little material, low price, easy control and convenient amending. LD type single beam electric bridge crane was recommended by WTO and apply to...

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Electric Single Girder Overhead Crane

LD type electric single girder overhead cranes is the most commen crane. It has the advantage of light deadweight, little material, low price, easy control and convenient amending. LD type single beam electric bridge crane was recommended by WTO and apply to China standard JB/T1306-94.

LD type single girder electric crane can be divided into three parts as follow:
1. Steel structure inclueds main beam and end truck
2. Lift equipment, CD/MD or chain hoist. LD crane could have one or two speed.
3. Crane traveling mechanism: Two end carriages with wheels driven by electric motor.


1. Adopt European most advanced design and manufacture craft of the main girder. Mail girder wear well , not only let user ease use, but also low maintenance cost.
 
2. The up camber curve of main girder adopt optimize 4 times curve, ensure traveling have no upgrade resistance when full loading. Overcome the disfigurement of traveling motor overload traveling and trolley slide traveling.
 
3. End carriage is box girder, and the connection between end carriage and main girder adopt high strength bolt, in order to transport conveniently.
 
4. Optimize structure design, bearing layout reasonable , bear horizontal force, improve use age of the bearing.
 
5. The connections of every mechanical part are gears, in order to achieve simple installation and convenient maintenance. The drive wheel group and driven wheel group are all supported on crescent bearing box , convenient for disassembly and adjust.

Specification:

1. Capacity range: 0.5-20 ton.
2. Span length: 6-32m
3. Lifting height: 7.5-32m
4. Electric hoist: CD/MD Model.
5. Motors: Nanjing Zongchang (Best in China. )
6. Power supply: 380V/50Hz or as per client's requirement.

Technical Parameter

Crane traveling mechanism Performance parameters

1-5t10t
Traveling Speed (m/min)2020
Reduction Ratio (i)3838
MotortypeYES
power2×0.42×0.8
Rotational speed1200
Working SystemA5
Power supply3phrase  380V    50Hz
Wheel diameterФ200
Width of Track37-70mm


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