QLY25B Wheel Crane

QLY25BT harbor crane is the product that’s technology comes from IHI Construction Machinery Ltd. Of Japan, and manufactured under the license of IHI. It is a 25t heavy duty mobile crane with fully hydraulic power drive, lattice boom and continuous 360-full circle swing, specially designed for harbor working conditions. The crane equipped with a one-man cab mounted on the superstructure, and designed for high performance of crane operation, convenient controls, sturdy and durable. The lattice boom is modified according to heavy duty operation and has a high stability and travel performance. All of the main components are imported, including engine, pumps, motors, valves, clutch, brakes and components of air circuit and electrical system.Two variable displacement pumps and three gear pumps are driven by a water cooled six-cylinder diesel engine, providing hydraulic power for crane operation and control system. Hoist, derricking and swing are driven separately by its hydraulic motor through gear box. They can be operated independently or combined operation .The hoist winch is controlled by power fall or free fall to increase productivity. The driven type of carrier is 4×2 with front axle as steering axle and rear axle as driving .A variable piston motor propels the rear axle through two-stage gear reducer, so the crane has a high gradeability.

 

 

Specification

QLY25B

Main

Driven

4×2

Engine

Rated power kW/(r/min)

147/2100

Max. torque N.m/(r/min)

814/1500

Quality

Machine quality (traveling) (kg)

30900

G.V.W (with 12m boom) (kg)

30900

Axle load (Front axle / Rear axle) (kg)

14500/16400

Size

Machine dimension (without boom) (mm)

6600×3200×3640

Boom length (m)

924

Middle boom length (m)

3/6

Axle base (mm)

3600

Wheel base front / rear (mm)

2400

Min. Ground clearance (mm)

290

Approaching / Departure angle (°)

15/15

Outriggers footprints (Longitudinal/Horizontal) (mm)

6000/6000

Traveling

Gradeability (%)

24.9

Min. turning diameter (m)

18

Traveling speed top gear / low gear (km/h)

18/5

Performance

Max. lifting capacity (kg)

25000

Max. lifting height (m)

25.28

Slewing speed (r/min)

03.8

Luffing time (s)

24/24

Outrigger extension and retraction time (s)

58/40

Working range (m)

3.622

Elevation range°

3080

Brief Introduction

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