The 3-ton LH electric hoist double-girder bridge crane (hereinafter referred to as the 3-ton crane) is designed and manufactured in accordance with the standard JB/T3695-1994. The LH-type 3-ton electric hoist double-girder crane is similar to the 5-ton electric hoist in the form of CDI, MDI and other forms. When used together, it becomes a light and small crane running on rails. Its applicable lifting capacity is 3 tons, its applicable span is 7.5-35 meters, the working level is A3~A4, and the working environment temperature is within the range of -25℃ ~ +40℃.

3-ton electric hoist double-girder overhead crane
3-ton electric hoist double-girder crane structure diagram

3-ton electric hoist double-girder crane structure diagram
Technical parameters of 3-ton electric hoist double-girder crane
name        Model unit     LH type 3-ton hoist double-girder bridge crane (3t crane, 3t traveling crane, 3t traveling crane)
LH type 3-ton hoist bridge crane, LH type 3-ton hoist double-girder crane
Lifting weight Q   t   3
Control type       Ground control, control room control
big car   Running speed V   m/min   20   30   45
electric motor   model       ZDY121–4
    power   kw   2×0.8
    Rotating speed   RPM   1380
Rise   Electric hoist   model   CD1   MD1
Lifting height   m   6、9、12
Lifting speed V1   m/min   8    8/0.8
car   Running speed V2   m/min   20    30
job type       A3~A5
power supply       3 phase 50HZ 380V
Wheel diameter (large car/small car)   mm   φ270 /φ160
Recommended rails   model   P18，P22，P24
Span S   m   10.5   13.5   16.5   19.5   22.5   25.5   28.5   31.5
Maximum wheel pressure Rmax   KN   27   29   33   35   38   45   49   58
LH type 3-ton electric hoist double-girder overhead crane parameters

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