Crane operating level:
Complete crane: working level A5
Utilization level U5
Load state Q2
Level of crane mechanism:
Main hoisting Auxiliary lifting amplitude rotate walk
Work level M5 M5 M5 M5 M4
Utilization grade T5 T5 T4 T4 T4
Load state L2 L2 L3 L3 L2
2.2 applicable working conditions of crane:
Ambient temperature - 5 ° C ~ + 45 ° C
Wind speed working wind speed ≤ 20m / sec
Non working wind speed (instantaneous wind speed) ≤ 55m / sec
Relative humidity Max 100%
Climatic conditions: fog, thunderstorm and marine climate erosion.
Working condition: two shifts a day, 320 days a year.
The crane shall ensure the overall stability under working and non working conditions, and the overall stability shall be checked according to F.E.M specification.
2.3 design and manufacturing standards:
GB / t3811-2008 China code for design of cranes.
GB6067. 1-2010 China safety code for lifting appliances Part 1 General rules.
F. E.M. (European Association for handling engineering) October 1, 1987 3rd Edition.
IEC electrical specifications.
Aws-94 welding standard.
SIS Swedish industrial standard (steel surface treatment).
The unit of measurement is metric.
2.4 load and stability requirements:
Load: (1) windless operation of crane;
(2) Crane operation with wind;
(3) The crane is under special load;
(4) The crane is subjected to test load.
Stability: (1) static load accounting;
(2) Dynamic load accounting;
(3) Calculation of maximum wind load;
(4) The sling breaks suddenly.
3. Main technical parameters
3.1 lifting capacity:
Main hoisting
Amplitude 14.5 ~ 25m: rated lifting capacity 30t;
Amplitude: 14.5 ~ 38m: rated lifting capacity: 10t;
Lifting height: 46m above the rail ~ 5m below the rail;
Auxiliary lifting
Amplitude 17.2 ~ 42m: rated lifting capacity 5T;
Lifting height: 46m above the rail ~ 5m below the rail;
3.2 rated working speed:
Main lifting speed 0.65 ~ 10m / min (30t) 1 ~ 12m / min (10t)
Auxiliary lifting speed 0.8 ~ 15m / min (5T)
Luffing speed: 0.1 ~ 15 m / min
Rotation speed 0.4 r.p.m
Traveling speed 2 ~ 20m / min
3.3 overall dimensions of crane:
Gauge 10.5 M
Base distance 10.5 M
Tail diameter ≤ 9m
Clearance under rotary table ≥ 28.5 M
Clearance height at the lower part of crane gantry ≥ 6M
Maximum height of crane ~ 73.5m
3.4 others:
Maximum wheel pressure ≤ 240KN
Total number of traveling wheels 6 × 4 = 24
Traveling wheel diameter φ 550mm
Number of driving wheels 3 × 4 = 12
Number of driven wheels 3 × 4 = 12
Applicable track QU80
Traveling length of crane (m)
Power supply AC380V, 3 φ, 50Hz; Power is supplied from the cable drum.
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