30 Ton Lifting machine rough terrain crane

Short Description:

30 ton rough terrain crane have Excellent off road traveling and good dynamic performance. Four wheel drive technology ,hydraulic torque convector technology and large transmission ration technology for improving the dynamic performance


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Brief introduction of RT30

RT30 rough terrain crane is a kind of telescopic boom and swing type crane which travels with tire type  chassis. It is composed of the superstructure and undercarriage. The superstructure is the lifting part, composed of the telescopic boom, jib, main winch, aux. winch, luffing mechanism, counterweight, swivel table, etc. The undercarriage is composed of the suspension and walking part. The superstructure and the undercarriage are connected by the slewing bearing.

XJCM 30 ton rough terrain crane has safe and reliable control system,the safety device includes torque limiter,swing table lock device,winch over-winding and over-relaxation protect device,outrigger lock device outrigger bidirectional hydraulic lock,rear axle steering lock and rear wheel return detector,emergency steering power device,gradienter,hydraulic system overflow valve,balance valve.

    1.Torque limiter

Detecting function:Detect the angel of the boom automatically.

Display function:Show operating information such as actual load,handing radius,boom angle

Caution Function:When the actual load exceeds rated lifting load,Torque limiter will give an alarm and stop the operation

    2.Swing table lock device

During the driving process,a plug device is used to connect the swing table and the carrier to keep the steering parts(swing table,boom) from swing caused by inertia.

   3.Winch over-winding protect device

When the load reaches a certain height torque limiter will stop the lifting and indicating light on the instrumentation board will be on

  4.Win over-relaxation protect device

When only 3 laps of rope is left on the winch ,torques limiter will stop the falling and indicating light on the instrumentation board will be on.

RT30 Main technical parameters table in travel state

Category

Items

Units

Parameters

Outline Dimensions Overall length

mm

11680

Overall width

mm

3080

Overall height

mm

3690

Axle base

mm

3600

Tyre tread

mm

2560

Weight

Dead weight in travel state

Kg

27700

Axle load Front axle

Kg

14280

Rear axle

Kg

13420

Power

Engine rated output

Kw/(r/min)

169/2500

Engine rated torque

N.m(r/min)

900/1400

Travel

Travel speed Max. travel speed

Km/h

40

Min. stable travel speed

Km/h

1

Turning radius Min. turning radius

m

5.1

Min. turning radius for boom head

m

9.25

Min. ground clearance

mm

400

Approach angle

°

21

Departure angle

°

21

Braking distance(at 30km/h)

m

≤9

Max. Gradeability

%

55

Max. outside noise during accelerating

dB(A)

86

RT30 Main Technical Parameters Table in Lifting State

Category

Items

Units

Parameters

Lifting performance Max. total rated lifting load

t

30

Min.. rated working radius

m

3

Turning radius at swing table tail

m

3.525

Max. load moment

Base boom

KN.m

920

Fully extended boom

KN.m

560

Fully extended boom + Jib

KN.m

380

Outrigger span Longitudinal

m

6.08

Lateral

m

6.5

Lifting height Boom

m

9.6

Fully extended boom

m

27.9

Fully extend boom+Jib

m

36

Boom length Boom

m

9.18

Fully extended boom

m

27.78

Fully extend boom+Jib

m

35.1

Jib offset angle

°

0、30

Working speed

Derricking time Boom raising time

s

75

Boom descending time

s

75

Telescoping time Boom fully extend time

s

80

Boom fully retracting time

s

50

Max.swing speed

r/min

2.0

Outrigger telescoping time Outrigger beam Extending synchronously

s

25

Retracting synchronously

s

15

Outrigger jack Extending synchronously

s

25

Retracting synchronously

s

15

Hoisting speed Main winch (No load)

m/min

85

Auxiliary winch (No load)

m/min

90

4.2
4.3

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