QY75E Truck Crane

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Brief introduction

Equipped with the longest boom among like products, reliable hydraulic security device and the imported variable

pump, valve and lock, and the electric proportional control system as well as the energy-efficient truck crane chassis, QY75E truck crane lifting performance outperforms its competitors. PLC control technology is applied to electrical control

system and makes it much simpler, more stable, reliable and durable. Its appearance embodies the brand culture of Beijing Jingcheng Heavy Industry Co., Ltd and is the symbol of high quality.

Specification

Max. rated capacity

75000 kg

Max. traveling speed

75 km/h

Gradeability

40%

G.V.W.

45930 kg

    Front axel load

19930 kg

    Rear axle load

26000 kg

Min. turning radius

12 m

Main boom

 

    Section

Five - section U

    Length fully retracted

11.8 m

    Length fully exended

45 m

    Telescoping speed

135 Seconds

    Elevation speed

-2° to 81°:70 s

Jib

Two sections articulating jib, equipped with a one - way pulley at boom end

    Length

10 m and 18 m

Hoisting system

Variable speed hoist with double grooved drum and anti-swing wire rope;

 

Variable-displacement motor,proportionally control the speed of the hoist;

 

Main hoist is equipped with built-in normally closed brake and balance valve.

   Line pull

61.25 kN (6,250 kg)

   Line speed

130 m/min at the fourth layer

   Wire rope

Diameter···20 mm

 

Length···230 m

Outriggers

Four H-type hydraulically controlled outriggers; Independent horizontal and vertical movementcontrolled form each side of carrier and the superstructure cab.

 

Each outrigger is equipped with hydraulically controlled check valve. Electronic crane level indicators.

Outriggers footprints

Horizontal·······7800mm

 

Longitudinal·······6000mm

Chassis manufacturer

JCHI

Chassis model

Overall width cab 8×4

Engine

 

   Model

ISLe37540 (or35)

   Type

6 cylinder in line, common rail

   Displacement

8.9 L( Tier IV / National III )

   Rated poer

276 kW / 2100 r / min

   Max. torque

1550 N·m / 1400 r / min

Gearbox

16 speeds forward, 2 reverse

Slewing system

1.7 r / min Free slewing

Hydraulic system

 

    Hydraulic pump

Tetragenous gear pump driven by engine through P.T.O

    Control valve

Multiple control valves actusted by pilot pressure with integral pressure relief valve

    Hydraulic oil tank

Capacity 823 L

   Oil filter

Return oil filter

Safety devices

Relief valve

 

Hydraulic lock

 

Working range and load indicator

 

Overwinding auto control alarm

 

Counter balabce valve

 

Load indicator

 

Height limiter

 

Overwinding control alarm

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Q:What are the four kinds of truck cranes?
adjusting the length of the boom), the boom of the boom the elevation angle of the adjustment boom
Q:What is the design process for a truck crane?
Listen to the preliminary opinion, the implementation of program design.
Q:What is the difference between a truck crane and a car crane?
The same thing is called different.In front of that is not the same as that obviously is called the car crane.
Q:Does the truck crane need to be certified?
There are two of these can be used normally.The operator needs a driver's license and a special equipment
Q:What is the usefulness of the revolving center of the crane?
Because the car crane to get off the site is not moving, and the need to turn the car on the operation, it is necessary to turn.
Q:What is the difference between a truck crane and a truck crane?
Crane trucks and truck cranes are car chassis, can lift the goods, shape is more similar, but they are different types of cranes.
Q:What are the design of the truck crane?
Upgraded design: upgrades of existing car cranes based on experience and technology development to improve performance, reduce manufacturing costs or reduce operating costs.
Q:What are the shortcomings of a car crane?
Low weight, low lifting height, small operating range, can not meet the requirements of large-scale hanging installation
Q:What are the parameters of the QY35 truck crane?
Rated power kW / (r / min) 235/2200 Engine rated torque Nm / (r / min) 1250/1400 Travel parameters Maximum travel speed km / h 75 Minimum turning diameter m 19.5 Minimum ground clearance mm 260 Proximity angle 17
Q:What is the characteristic of a car crane?
4. Outrigger system with double-sided manipulation, convenient and practical;

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