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50 TONS MOBILE CRANE,Truck Crane QY50KA(CE)

Introduce


Highlight 1: Leading lifting and driving performances

1. Five section U-type booms. The boom length is 11.4m-43.5m with strong lifting performance, leading 5%-10% ahead of products with the same tonnages in the same industry.

2. High-power engine with good dynamic performance, strong gradeability and superior trafficability. The maximum gradeability and maximum travel speed respectively are 42% and 85km/h.

   

Highlight 2: Reliability of heat dissipation, electrical system etc. has been improved with safer operation and driving

1. Waterproof connector clip. It is equipped with rubber sheath inside with excellent water impervious and level of protection reaches to IP65.

2. Aluminium alloy fuel tank. Good appearance quality, corrosion resistance, strong shock resistance capacity.

3. Double- broken line winch. The hoisting rope is in alignment, and it will be more reliable if turn off the press-rope machine. 

4. Optimized heat-removal system. The air-conditioning condenser is separately installed, the heat-sinking capability is sharply improved and the environment temperature reached to more than 45℃.

  

Highlight 3: Mature and reliable double-pump confluence technique, maintaining the advantages of efficient operation

Special confluence multi-valve has been designed. The double-pump confluence technique is adopted in raising and falling of winch, extending and retracting of lazy boom and luffing, leading ahead of luffing and extending and retracting operations. 


Highlight 4: Air-aid shift gears and 45% of shifting force is reduced

Special air-aid shift gears protection mechanism. The boost system will work only by stepping on the clutch that effectively avoids gearbox damaging gears when shifting. Compared with the same industry, 100mm distance of shift gears and 45% of shifting force are respectively reduced. 


Highlight 5: Appearance molding is newly upgraded, humanized design and comfortable riding manipulation

New operating house, wheel house, engine hood and machine shed, novel appearances, fine lines of the complete machine appearance, shows its elegant appearance.


The rearview mirror is installed in operating house, easy to for observe the working environment; front pedal and push-and-pull pedal in left side are installed, easy access to the operating house; Ladder stand is installed in two sides of the chassis, easy to get on or off the bus. In addition, tool cabinet is installed in right rear side of the frame, easy to store tools attachment for users, fully representing the purpose of humanized design.


Main Technical Parameter Table under Driving Status

CategoryItemUnitParameter
Dimension ParameterOverall lengthmm13930
Overall widthmm2780
Overall heightmm3630
Wheel baseThe first and second wheel basemm1470
The second and third wheel basemm4300
The third and fourth wheel basemm1350
Wheel trackFront wheelmm2304
Rear wheelmm2075
Weight ParameterDead weight in travel stateskg42200
Axle loadFront axlekg16200
Back axlekg26000
Kinetic ParameterUndercarriages engineType——D10.38A-40
Rated powerkw/(r/min)276/2200
Maximum torqueN.m/(r/min)1500/1300~1600
Effluent standard——Motor Vehicle Pollution Discharge Standard of National IV
Running ParameterMaximum travel speedkm/h85
Minimum diameter of turning circlem24
Minimum ground clearancemm327
Approach angle°19
Departure angle°15
Braking length (the speed is 30km/h)m≤10
Maximum gradeability%42
Fuel consumption per hundred kilometersL40
Noise ParameterCar exterior noise when speeding updB(A)≤88
Noise around the driver’s eardB(A)≤90


Main Technical Parameter Table under Crane Operating Status

CategoryItemUnitParameter
Main performance parameterMaximum rated total suspended loadt50
Minimum working rangem3
Turning radius of rotary tablemm3800
Maximum load momentBase boomkN.m2009
Full-extend boomkN.m1129
Outrigger spanLength wise directionm6.1
landscape orientationm7.1
Lifting heightBase boomm11.9
Full-extend boomm44
Full-extend boom+ jibm58.1
Boom lengthBase boomm11.4
Full-extend boomm43.5
Full-extend boom+ jibm59.5
Offset angle of jib°0、15、30
Working speed parameterTime of boom derrickingRise booms40
Failing booms180
Boom telescopic timeFully extendeds90
Fully retracteds180
Maximum turning speedr/min2
Contraction time of landing legHorizontal landing legStretching at the same times35
Shortening at the same times30
Vertical landing legStretching at the same times40
Shortening at the same times35
Main lifting structureFull loadm/min85
Empty loadm/min130
Auxiliary lifting structureFull loadm/min85
Empty loadm/min130
NoiseRadiation outside the machinedB(A)≤122
Driver seatsdB(A)≤90


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