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QY25E431 Truck Crane

QY25E431 Truck Crane

 

Features

 

This type of truck crane, one of the classic products in the same trade, has earned a good reputation from the customers.

The truck crane adopts self–made special-purpose chassis with 6×4 drive. The ergonomic streamline semi-mounted driver’s cab with double wing door, which has obtained a national patent, makes it convenient for rear rider to get on/off cab.


The crane adopts WEICHAI Steyr engine which is specially developed for those cranes that often travel at low speed. This kind of engine not only can produce large output torque when it starts and increase the traveling speed quickly, but also has excellent starting performance and good gradeability.


The crane is equipped with 8-speed gearbox which changes gear smoothly and is of simple structure and makes maintenance convenient.


The crane is fitted with a 33.3m long hexagon-section boom which is made of high-strength steel, so the boom has strong resistance to bending and torsion. The distinctively-designed circular arc sliding block (having obtained a national patent) makes the stress distributed more evenly, the load carrying capacity stronger, and the adjustment easier. The local rigidity in boom supporting point is good, which has improved the lifting capacity on boom with same thickness and achieved the goal of greater lifting capacity on lighter boom.


The unique manual full proportional control incorporates the advantages of traditional lever control and electric-hydraulic pilot control. It not only reserves the merits of safety & reliability of original control structure and low maintenance cost, but also realizes that the working speed of actuating mechanism is only proportional to the opening degree of control valves rather than affected by the load. Furthermore, it has improved the speed-regulation performance.


The slewing mechanism has the functions of protecting the crane automatically when the crane is overloaded, reducing the impacts, and activating hydraulic brake when the hydraulic control valve is in neutral position as well as free swing. In addition, it can automatically make boom, wire rope and lifted load slew simultaneously, and minimize the sway of boom and load while the crane starts or stops quickly, and accelerates or decelerates slewing.


We have made constant improvements on our products, for instance, adding radiator for hydraulic system and mounting hydraulic oil tank of large capacity on the slewing table. Therefore, the radiating performance of hydraulic system is improved and the continuous working hours are 2~3 times of that of the same trade’s products.


The crane is fitted with outrigger lamps which can facilitate operation at night.


The crane is equipped with high-quality load moment limiter which has such advantages as great precision and complete information shown on the display. In this way, the safe lifting operation can be guaranteed.

 

Parameter

 

Item

Value

Remarks

Working performance specification

Max. rated total lifting capacitykg

25000

Max. load moment of basic boom kN.m

980

Max. load moment with max. main boom

lengthkN.m

573

Max. lifting height of basic boomm

11.5

Max. lifting height of main boomm

33.8

Deformation of main boom is not taken into consideration.

Max. lifting height of fly jibm

41.6

Working speed

Max. speed of single rope on main winch

m/min

120

The 4th layer of drum

Max. speed of single rope onauxiliary winchm/min

105

The 2nd layer of drum

Derricking time of booms

40

Telescopic time of booms

60

Slewing speedr/min

0~2.2

Traveling specification

Max. traveling speedkm/h

72

Max. gradeability%

40

Min. turning circle diameterm

20

Min. ground clearancemm

220

Limits for exhaust pollutants and smoke

Comply with related standards

GB3847-2005 GB17691 -2005

(Stage III)

Oil consumption per hundred kilometersL

46

Mass specification

Deadweight of crane in traveling condition

kg

28930

Complete vehicle kerb masskg

28800

Front axle loadkg

6300

Rear axle loadkg

22630

Dimension specification

Overall dimensions(L×W×H)mm

13000×2500×3450

Base on outriggersm

5.36

Distance between outriggersm

6.1

Main boom lengthm

10.5~33.3

Main boom angle°

-2~80

Fly jib lengthm

8

Offset angle of fly jib°

0 , 30

Chassis

Model

ZLJ5314

Class

II

Feature No.

ZLJ5314D3.1

Engine

Model

WP10.270

Rated powerkW/r/min

199/2200

Max. output torqueN.m/r/min

1100/1200~1600

 

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