QAY50 All Terrain Crane is one of all terrain crane series developed on the basis of QAY25. The crane is designed with sufficient absorption of domestic and abroad successful experiences, adoption of mature crane technology, use of new technology and new material. "U" shaped boom profile, constant output variable displacement system, hydraulic pilot proportional control, hydro-pneumatic suspension, auto-shift transmission, this crane class has high lifting capacity, powerful drive, good passing ability, wide application, and with safe and reliable operation.

Classification

Item

Unit

Parameter

Outline
dimension

Overall length

mm

12200

Overall width

mm

2750

Overall height

mm

3650

Track

mm

2340

Wheel base

Axle 1, Axle 2

mm

2850

Axle 2, Axle 3

mm

1725

Front overhang

mm

3000

Rear overhang

mm

2038

Mass

Total mass in travel state

kg

36800

Axle load

Front axle

kg

12200

Rear axle

kg

24600

Travel
performance

Travel speed

Max. travel speed

km/h

70

Min. stable travel speed

km/h

2

Turning diameter

Min. turning diameter

Front axle steering

m

22

All axles steering

m

17

Turning dia. at boom tip

Front axle steering

m

25

All axles steering

m

19

Min. ground clearance

mm

360

Approach angle

20°

Departure angle

20.1°

Braking distance (at 30km/h with full load)

m

=10

Max. grade-ability

37%

Crane exterior noise at acceleration

dB(A)

=88

Fuel consumption of 100km

L

40

Chassis

Engine model

D6114ZLQ1B

Engine power

kW/(r/min)

205/(2200)

Drive type

6×4

Tyre spec.

14.00R24

No. of tyre (excluding spare tyre)

6

Classificatory

Item

Unit

Parameter

Main
performance

Max. total rated lifting capacity

t

50

Min. rated working radius

m

3

Turning radius at turntable tail

m

4.01

Max. load moment

Base boom

kN·m

1739.5

Fully extended boom

kN·m

721.3

Fully extended boom + jib

kN·m

417

Outrigger span

Longitudinal

m

7.375

Lateral

m

6.8

Hoist height

Base boom

m

10.4

Fully extended boom

m

38.5

Fully extended boom + jib

m

53.4

Boom length

Base boom

m

10.2

Fully extended boom

m

38

Fully extended boom + jib

m

38+15

Jib offset

0°?15°?30°

Working speed

Boom raising time

s

60

Boom full extension time

s

90

Max. swing speed

r/min

2

Outrigger telescoping time

Outrigger beam

Extension at one time

s

30

Retraction at one time

s

20

Outrigger jack

Extension at one time

s

40

Retraction at one time

s

30

Hoists peed

(single rope)

Main winch

m/min

120

Aux. winch

m/min

120

Noise limit

Crane exterior noise

dB (A)

=118

At seated position

dB (A)

=90