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• The innovative jib system adopts embedded block, plug-in boom head and international advanced U section jib, which has excellent lifting performance and safe and reliable lifting work.
• The unique stretch and retract technique avoids the bend of the core pipe and cylinder and the break of the boom caused by misoperation, improving the safety of the operations.
• Eight patent techniques ensure the smooth, high efficiency and energy conservation of the lifting, rotation, and luffing systems.
• The torque limiter adopts colorful LCD display, realizing the intelligence of the failure diagnosis. The precision is ahead of the industry.
• Adopt the new hydraulic motor with big torque starting point, making the secondary lifting safer.
• The humanity design makes the cab and control cab more spacious, and easy to operate.
• Six unique manufacturing technologies ensure the high quality.
• The working condition expands twice. Newly add 5t counterweight.
 

Dimension

Unit

QY70K-I

Overall length

mm

13930

Overall width

mm

2800

Overall height

mm

3575

Weight

 

 

Total weight in travel

kg

43000(without 1t vice counterweight)

Front axle load

kg

17000

Rear axle load

kg

26000

Power

 

 

Engine model

 

 WD615.338(domestic III)

Engine rated power

kW/(r/min)

 276/2200

Engine rated torque

N.m/(r/min)

1500/1400 

Travel

 

 

Max. travel speed

km/h

80

Min. turning diameter

m

24

Min. ground clearance

mm

327

Approach angle

°

19

Departure angle

°

13

Max. grade ability

%

40

Fuel consumption for 100km

L

45

Main performance

 

 

Max. rated total lifting capacity

t

70

Min. rated working radius

m

3000

Turning radius at turntable tail

m

3.55

Max. lifting torque

kN.m

2303

Base boom

m

11.6

Fully extended boom

m

44.5

Fully extended boom+ jib

m

59.5

Longitudinal outrigger span

m

6.1

Lateral outrigger span

m

7.3

Working speed

 

 

Boom luffing time

s

60

Boom full extension time

s

 ≤150

Max. swing speed

r/min

 ≥2.0

Max. speed of main winch (single rope) (no load)

m/min

 ≥130

Max. speed of aux. winch (single rope) (no load)

m/min

≥108

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