Simple Manual or Motorized Double-girder Cranes

SQ type manual double beam crane used for carrying amount is not big, and very not pay attention to efficiency and
speed of the power supply equipment, such as warehouse, workshop, or maintenance.
Introduction:
This crane mainly used in no power storage, workshop or examine equipment, where
lifting frequency is not heavy and not strict on effeciency and speed;
Consised with main girder, initiative and slave gears, drive mechanism and trolley.
The lubricating device and bearings on transmission must add lubricating oil every half year;
Its installation must accord to following conditions:
1,the rail's joint deviation must be smaller than 1mm, the gap must be smaller trhan 2mm;
2, track gaunge LK must be shorter than 12m, accepting deviation within 6mm, if LK is longer than 12m,
deviation can be 8mm;
3, Rail's curve accept deviation of 3mm;
4,Rail elevation accept deviation of 1/1000 rail length.

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