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:What are the performance test standards for truck cranes?: (4) The design of the structure, mechanism and electrical design of the truck crane shall be carried out according to the provisions of gb3811-2008 "crane design code"

Q:Where is the car crane operation permit?: By the Provincial Production Safety Supervision Bureau for a unified, from the date of issuance of two years without a test, continuous trial twice no longer tested.

Q:What are the safety procedures for truck cranes?: Refused to implement, and take measures to prevent accidents; operation, the other people issued a dangerous signal, the driver should also take measures to prevent accidents.

Q:What are the types of truck cranes?: There are many types of truck cranes, and their classification methods are different, mainly:

Q:What is the difference between the main arm and the basic arm of a truck crane?: The basic arm is to distinguish it from the second (three, four, five) arm, which is part of the main arm.

Q:What is the brake lock of a truck crane?: Normal work, heavy lead to vehicle overturning, casualties and other vicious accidents

Q:What is the difference between a truck crane and a car crane?: The name of the car crane is more scientific and is the normative written name.

Q:What are the characteristics of the development of truck cranes in China?: China's production of car cranes are mostly less than 50 tons of small tonnage of the crane, large tonnage production is very small, and, with the development of society, flexible large-scale lifting machinery demand is growing,

Q:What is the reason for the jitter of the crane boom: Once the air into the hydraulic circuit, it will increase the oil elasticity, reduce the hydraulic drive stiffness, the telescopic cylinder impact and crawling phenomenon, causing the boom when the telescopic jitter.

Q:What is the material process for a truck crane?: And the price, crane parts such as Wanda rotary bearing manufacturing also benefited from the continuous emergence of new materials, making the crane to a lighter, better direction.

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