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

Q: The world's largest car crane can be heavy?: Is the world 's largest car crane.China only three: a Beijing, Shanghai, a Linyi.

Q: What is the difference between the performance of a truck crane and a crawler crane?: The operation on the crane is the same as the operation of the boom to complete the boom of the ups and downs, stretching, rotation and hook and hook.

Q: What are the main categories of mobile cranes?: Tire crane tire crane using a special running chassis, axle for the rigid suspension, you can hang up, get off and use the same cab.

Q: What is the principle of car hanging arm?: The first section telescopic arms are driven by the cylinder 1, and the second and third sections are driven by the cylinder 2.

Q: What are the safety measures for car cranes to eliminate hidden dangers?: Balance valve is essentially a one-way valve and external control of the combination of the valve from the combination of the combination of the valve, it is installed in the car crane and lock the principle of locking and hydraulic lock exactly the same, that is installed in the oil return,

Q: How about the commonly used car cranes for the construction of the villa: Higher, that is, the transfer site is not as convenient as the car crane, need to be removed after the transport, to the new site but also in the assembly

Q: What is the role of the truck crane legs?: and increase the contact area with the ground, reduce the pressure if not such a crane in the lifting of the weight when it is easy to puncture,

Q: How does the car crane (wheeled car crane) overturn insurance claims?: vehicle damage insurance 15% deductible, the purchase of the deductible can be fully compensated), the highest The amount of the amount exceeding the amount of insurance

Q: Why does the crane have two cabs?: The two cabs of the truck crane are driven by different objects.The front cab mainly drives the vehicle (travel speed, direction, etc.).

Q: Does the truck crane need to be certified?: (the investigation is relatively small, and the annual audit a little expensive, many of the crane did not!

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