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Zoomlion QAY220 All-Terrain Truck Crane

Permalink : http://product.cmsou.com/detail_MTYy8---.html    Last Updated : 2011-09-23
Zoomlion QAY220 All-Terrain Truck Crane

Zoomlion QAY220 All-Terrain Truck Crane

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QAY220 all terrain crane, which integrates our many years’ experience in designing and manufacturing mobile cranes with internationally advanced technology, is a fine-performance and high-reliability product produced to meet the market demands. This high-tech product, combining mechanical, electrical and hydraulic systems as a whole, has so many advantages, such as good control performance, excellent jogging performance, large lifting capacity and super lifting height, that it can be applied in many fields of national economic construction. This product can be widely used in chemical industrial and mining establishments, oil fields, harbors, building sites except strong electromagnetic wave area to do lifting and hoisting work.

This product is an all terrain crane of full range slewing function, telescopic boom sections and electro-hydraulic proportional controlled systems. This product adopts 6-axle (4 driving axles and 5 steering axles) special purpose chassis manufactured by Zoomlion, providing wide vision, spacious cab and luxurious equipments.

The latest electro-hydraulic proportional directional control valve with load feedback function, multiple plunger variable pumps, open / closed variable systems ensure that each executive mechanism makes full use of its working capability. The joysticks which are easy-controlled, flexible, reliable and stepless speed regulated can provide the crane with smooth simultaneous movements, which greatly improves the working efficiency. The safety devices, such as relief valve, balance valve, hydraulic lock and brake valve, fitted in hydraulic system prevent the accidents caused by oil line overload and oil pipe breakage.

The safety devices, such as load moment limiter and lighting systems ensure your safety during operation and are convenient for night work.

Item

Specification

Remarks

Working performance

Max. rated lifting capacitykg

220000

Max. lifting torque of basic boomkN.m

7650

Radius: 9m

Max. lifting height of boomm

62.6

The specifications do not include deflection of boom and jib.

Max. lifting height of jib m

96.2

Working speeds

Max. hoist rope speed (Main winch) m/min

124

At 4th layer

Max. hoist rope speed (Auxiliary winch)

m/min

70

At 4th layer

Boom extending time min

10

Boom derricking times

≥90

Slewing speed r/min

≤1.5

Traveling specifications

Max. traveling speed km/h

72

Max. gradeability%

50

Min. turning radiusm

24

Min. ground clearance mm

305

Limit for smoke at free accelerationFSN

≤2.0

GB14761.6-1993

Limit for exhaust emission

Conform to related standards.

GB3847-2005

GB17691-2005

Stage III

GB3847-2005

Oil consumption per hundred kilometersL

85

Weights

Self weight in traveling conditionkg

72000

Complete vehicle kerb masskg

71805

Axle loadkg

12000

Dimensions

Overall dimensions(L×W×H)mm

16722×3000×3980

Longitudinal distance between outriggersm

8.8

Transversal distance between outriggersm

8.8

m

Boom length

13.8 ~61

°

Boom angle

-0.5 ~82

m

Jib length

10.75/18/18.75/26/26.75/34

Combined length

°

Offset

0、15、30

0, 15, 30

Chassis

Model

ZLJ5720

Type

Engine

Model

OM502LA

kW/r/min

Rated power

420

At 1800r/min

N.m/r/min

Max. torque

2700

At 1080r/min

Manufacturer

Changsha Zoomlion Heavy Industrial Science & Technology Development Co., Ltd.

New sliding design for bracing support, side hydraulic luck

Side hydraulic luck, avoiding heavy crash during the operation, ensures security.

Anti-slew steel wire

Longevity of service for the anti-slew steel wire, ensures the security of the lifting.

Moment Limiter and Display

Automatic moment limiter has the function of self testing and alarming.

Major boom head and slider

1、Hexagon major boom adopts low alloy and high strength structure steel
2、The slider with national patent, flexible operation, logical strength distribution. Strong lifting capability.

Hydraulic Motor

1、Supercharged inter-cooled engine, capable for working at place over 4500 meters altitude.
2、International dominant variable amplitude mechanism, to make the mast close or leave the machine in parallel.
3、Three section, foldable, box shape design mast, with outstanding intensity and strength.
4、The hydraulic system is efficient, energy saving, accurate on the ratio operation, load transmission, load sensitivity control.

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