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The total rated loads given in the rated load charts are the maximum lifting capacity when the crane is set up on firm and level ground, which includes the weight of the hook block and slings. The weight of above-mentioned devices should be deducted to correctly calculate the load weight.
The working radius shown in the rated load charts is the radius when the load is lifted off the ground, and it is the actual value including loaded boom deflection.
A lifting operation is permissible only when the wind force is below grade 5 (instantaneous wind speed is 14.1 m/s, wind pressure is 125 N/m2).
Before beginning lifting operation, the operator should know the weight of the load to be lifted and its working range, and then select proper working conditions. Never operate the crane beyond the limit shown in the chart. Use the lower value from the chart when the boom length or working radius is between the range of values.
Observe the boom angle limit. Never operate the crane with the boom angle beyond the recommended limit even if a load is not being carried. Otherwise, the crane will tip.
|
Dimension parameter
|
unit
|
QY50K
|
|
Total length
|
mm
|
13050
|
|
Full width of the whole machine
|
mm
|
2800
|
|
Total height of complete machine
|
mm
|
3430
|
|
Weight parameter
|
kg
|
100095
|
|
Quality of the whole machine in running state
|
kg
|
40400
|
|
Front axle axle load
|
kg
|
14500
|
|
Rear axle axle load
|
kg
|
25900
|
|
Engine type
|
/
|
Euro 3
|
|
Engine rating
|
kW/(r/min)
|
247/2200
|
|
Rated engine torque
|
N.m/(r/min)
|
1350/1400
|
|
Maximum travel speed
|
km/h
|
75
|
|
Minimum turning diameter
|
m
|
24
|
|
Minimum ground clearance
|
mm
|
285
|
|
Approach Angle
|
°
|
16
|
|
Departure Angle
|
°
|
11
|
|
Maximum climbing capacity
|
%
|
46
|
|
Fuel consumption per 100 km
|
L
|
42
|
|
Maximum rated gross lifting capacity
|
t
|
50
|
|
Minimum rating
|
mm
|
3000
|
|
Turning radius of turntable tail
|
m
|
3.482
|
|
Maximum lifting moment
|
kN.m
|
1764
|
|
Basic arm
|
m
|
10.7
|
|
Longest main arm
|
m
|
41
|
|
Longest main arm + secondary arm
|
m
|
56
|
|
Leg longitudinal distance
|
m
|
5.65
|
|
Lateral leg distance
|
m
|
6.6
|
|
Boom amplitude change time
|
s
|
88
|
|
Full reach time of lifting arm
|
s
|
180
|
|
Maximum turning speed
|
r/min
|
≥2.0
|
|
Maximum speed of main lifting mechanism (single rope)
|
m/min
|
≥110
|
|
Maximum speed of auxiliary lifting mechanism
|
m/min
|
≥110
|
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