Sany QY50C Truck Crane. Technical description

PAGE

QY50C TRUCK CRANE

50 TONS OF LIFTING CAPACITY

1. Max. rated lifting capacity 55t. Min. working radius 3.0m

55t

Technical description

2. High-tensile steel main boom, large-arc hexagonal profile, fully extended length: 42.5m, max.

Chassis

tip height: 42.8m.

Superstructure

3. Unique and ergonomic cab, adopts advanced stamping and electrophoretic coating process,

"red star" painting.

Specification

42.5m

4. EuroⅢ standard engine, hydraulic and mechanical operation.

Dimensions

5. Load sensing and constant power hydraulic control system, independently developed by

Specification

SANY reduces energy consumption.

Main boom

6. Adpot SANY designed and patented machinery controller, integrated with PHILIPS 32-digit

Working ranges

Lifting capacities

42.8m^{CPU, to provide more precise and reliable control, with load moment height limiter and warning}

alarm, the safety and reliable operation is ensured.

Main boom extension

7. World-famous brand key hydraulic components as hydraulic pump, motor, vavle, eg. Parker,

Working ranges

Rexroth. Color monitor display, integrating original SHARP

HD screen, Danmark DANFOSS

Lifting capacities

piezoresistive pressure sensor and America SUNS height limiter.

PAGE

QY50C TRUCK CRANE

50 TONS OF LIFTING CAPACITY

Technical parameter

Item

Unit

Value

Overall lenght

13750

Overall width

2750

Overall height

3650

Axle distance

Axle 1 and 2 distance

1450

Axle 2 and 3 distance

3850

Axle 3、4 distance

1350

Wheel distance

1、2 wheel distance

2300

3、4 wheel distance

2055

Overall weight

42000

Load

Axle1、2 load

16000

Axle 3、4 load

26000

Engine model

Dongfeng Cummins ISLe310 30

Max. engine output

Dongfeng Cummins ISLe310 30

Kw/rpm

228/2200

Max. engine torque output

Dongfeng Cummins ISLe310 30

N.m/rpm

1200/1200j1400

Max. traval speed

Km/h

Min. turning radius

Radius

Min. tip truing radius

14.5

Min. ground clearance

342

Approach angle

≥18

Departure angle

≥12

Brake system(30km/h)

≤10

Max. gradeability

Oil consumption for every 100km

≤45

Max. total rated lifting capacity

Min. rated working radius

Turntable tail turning radius

3.9

Max. load moment

Basic boom

kN.m

1788.5

Full extension of main boom

kN.m

840.8

Fully extended boom + jib

kN.m

318

Span of outrigger(vertical × horizontal)

7.2×6.0

Lifting

Height

Full extension boom

42.8

Max. main boom + jib

58.8

Lenghth of boom

Base boom

11.5

Max. main boom

42.5

Fully extended boom+ jib

58.5

Setting angle of jib

0、15、30

Max. hoisting speed for main winch(no load)

m/min

130

Max. hoisting speed for single secondary winch(no load)

m/min

130

Boom full extending / retracting time

120/100

Boom lifting/ descending time

80/60

Slewing speed

r/min

0j2.4

Time for horizontal outrigger fully extended/retracted

38/20

Time for vertical outrigger fully extended/retracted

35/15

PAGE

QY50C TRUCK CRANE

50 TONS OF LIFTING CAPACITY

Driven/Steered

8×4

Specification/Chassis

Transmission system

Suspension

Frame

Electrical system

9 speed gear box with full synchronizer, face tooth

Axles 1、2: with unbalanced band-spring

Overall welded structure made of high-tensile

24V, CAN bus.

structure for steering knuckles.

suspension.

structural steel plate.

Axles 3、4: with balanced band-spring suspension.

Outrigger

Tyre

Driver’s Cab

Brake

H shaped , fully hydraulic controlled horizontal and

12 tyres, 1 spare tyres, size 12.00R20-20PR.

Spacious and comfortable ergonomic design,

Driven by axial piston vanable displacement pump,

vertical extension/ retraction can be carried out

adjustable steering wheel, broad vision.

combination of load sensing and constant power

independently.

control. To achieve fluid proportion and power

adjustment, adjust the displacement of oil pump

Engine

Steering

automatically according to load condition, reliable

optimized utilization of power. Reduces energy

ISLe310 30 dongfeng Cummins engine:

Single-circuit hydraulic power assistance

consumption due to speed control, throtting free.

when the rotating speed is 2200rpm, the rated

steering system with mechanical steering

output is 228kw.

limiter.

Fuel tank capacity: 300L.

Axle

Hydraulic system

Axle 1、2 steering, axle 3、4 driving.

Outrigger telescoping is driven by a fixed

displacement gear pump.

PAGE

QY50C TRUCK CRANE

50 TONS OF LIFTING CAPACITY

QY50C truck crane lifting height

Specification/Superstructure

Hydraulic system

Elevation

Driven by axial piston variable displacement pump,

Deadweight dropping amplitude is controlled by

combination of load sensing and constant power control.

Cab

balance valve.

To achieve fluid proportion and power adjustment, with

Beside turntable arranged, corrosion resistant

automatic adjust the displacement of oil pump according to

steel, high-grade inner decorated, adjustable

load condition, reliable optimized utilization of power, reduce

driver’s seats, providing comfortable and fatigue

energy consumption due to speed control, throttling free.

free.

Slew

Main winch

Main boom

Comprised of fixed displacement piston motor and

Fixed displacement piston motor hydraulic brake system

retarder. Max. slewing speed: 2.4r/min.

5 sectiont boom,partly synchronizing telescopic

balance valve equipped: max. hoisting speed of single rope:

boom, hexagonal profile, composed by dual

130m/min. length of rope: 220m.

hydraulic cylinders, wire rope, and balance valves

on cylinder.

Auxiliary winch

Safety devices

Fixed displacement piston motor, hydraulic brake

Counterweight

LED monitor, indicates important parameters,

system balance valve are equipped. Max. lifting speed

eg. torque, hook load, rated load, length, angle,

3.5T counterweight fixed on swing table by bolts.

of single rope: 130m/min. length of rope: 130m.

lifting height. Integrated load chart and operation

parameters setting, provide safe operations.

Radius(m)

PAGE

QY50C TRUCK CRANE

50 TONS OF LIFTING CAPACITY

Load chart for main boom

（Unit：kg）

Fully extended outriggers, over side and rear.

Radius

11.5m

15.4m

19.25m

27.0m

34.75m

38.62m

42.5m

Load chart for Jib

3.0

55000

40000

32000

21500

（Unit：kg）

3.5

50500

40000

32000

21500

Fully extended outriggers, over side and rear.

4.0

42800

40000

32000

21500

Radius

42.5+9.2m jib

42.5+16m jib

4.5

40000

36000

31000

21500

21000

15000

0°

15°

30°

0°

15°

30°

5.0

36500

33200

29000

20000

21000

15000

78°

3500

2400

2000

2400

1450

1000

5.5

32000

30000

27500

19000

21000

14500

77°

3200

2300

1900

2400

1400

1000

6.0

27700

27500

25700

18100

21000

13700

14000

9000

6.5

25000

25500

23900

17500

19500

12800

14000

9000

75°

3000

2200

1800

2300

1300

950

7.0

22500

23200

21500

17000

18000

12100

14000

9000

11500

9000

73°

2700

2000

1700

2000

1200

850

7.5

21400

21200

18600

16200

16800

11500

13500

8500

11500

9000

71°

2500

1800

1600

1800

1100

850

8.0

19000

19500

16800

15600

15800

11000

12700

8500

11000

9000

68°

2200

1700

1400

1500

1000

800

9.0

15300

15000

13500

13800

14000

10000

11700

7800

10500

8500

10.0

11700

10300

12000

9000

10700

7100

10000

8000

8500

66°

2000

1500

1300

950

760

11.0

9500

8700

10600

9900

8200

8900

6400

9000

7500

7800

63°

1800

1400

1100

850

720

12.0

7700

7200

8700

8300

7500

8300

5800

8000

7000

61°

1500

1200

950

750

650

14.0

4900

6400

5900

6100

6200

5000

6300

5900

6000

16.0

3400

4600

4300

5000

4700

4400

4900

5000

5200

58°

1100

950

750

650

600

550

18.0

3100

4100

3600

3800

4000

4200

56°

700

650

550

500

20.0

2200

3000

2800

3200

2900

3500

3100

min.elevation angle

55°

22.0

1600

2300

1900

2700

2200

2800

2500

24.0

1100

1800

1500

2400

1700

2100

1800

Notes for QY50C technical parameter:

26.0

1000

1900

1200

1650

1350

1. The values in the tables refer to the max. lifting capacity of truck crane that is set horizontally on flat and solid ground. The

28.0

700

1500

850

1300

950

values above the block lines in the tables depend on the strength of truck crane, while those below the block lines depend on

30.0

400

1000

500

900

700

the stability of truck crane.

32.0

800

600

400

2. Radius shown in the tables are the actual radius when working.

34.0

350

telescoping

Ⅰ,Ⅱ

Ⅰ

Ⅱ

Ⅰ

Ⅱ

Ⅰ

Ⅱ

Ⅰ

Ⅱ

Ⅰ,Ⅱ

3. Rated lifting capacities in the stability area comply with ISO4305.

mode

2nd boom

100

4. The total rated lifting load in the tables includes the weight of hook block (main hook is 610kg and auxiliary hook is 90kg) and

3rd boom

100

83.3

100

slings.

4th boom

100

83.3

100

5. When the 5th outrigger is in use, it is suitable for 360°operation.

Top boom

100

83.3

100

6. When working with single top, the rated lifting load should be less than 4000kg, if the jib is fixed in working position, the rated

Number

lifting load should reduce 2300kg.

of lines

7. When the actual boom length and working radius are between two values, determine the lifting capacity according to the

bigger one.