QY25H Truck Crane

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Brief Introduction

QY25H truck crane is developed and manufactured independently by Beijing Jingcheng Heavy Industry Co.,Ltd. It features nice appearance, convenient operations, great reliability, electric-hydraulic proportional control and convenient operation, and can meet the requirements of different end users. Equipped with five-section telescopic boom of U-shape structure and one-cylinder double-rope telescoping mechanism, its lifting performance is superior to other similar products.

Specifications

Max. rated capacity		25,000 kg
Max. traveling speed		73 km/h
Gradeability		38%
G.V.W.		32000 kg
Front axle load		7300 kg
Rear axle load		25300 kg
Min. turning radius		10.5 m
Main boom
Section		Five-section U profile telescopic boom
Length fully retracted		10.5 m
Length fully extended		40.1 m
Telescoping speed		135 s
Elevation speed		Rising boom: 55 s Falling boom: 60 s
Jib		One section lattice jib, equipped with a one-way pulley at boom end
Length		9 m
Hoisting system		Variable hoist mechanism with integrated planetary gear, double
		grooved drum and anti-swing wire rope;
		Using variable motor to make the lifting mechanism speed in proportional
		control;
		Main hoist system with built-in normally closed brake and balance valve;
Line pull		(Fourth layer) 35000 N
Line speed		(Third layer) 140 m/min
Wire rope		Diameter···16 mm
		Length···185 m
Outriggers		Four H-type hydraulically controlled outriggers and 1 front fifth pad. Independent
		horizontal and vertical movement controlled from each side of carrier
		and the superstructure cab. All four outriggers are equipped
		hydraulically controlled check valve. Electronic crane level indicators.
Outriggers footprints		Full·······6,100 mm
		Partial·····5,100 mm
Chassis manufacturer		JCHI
Chassis model		BCW5334JQZ
Engine
Model		D10.27A-40 (National Ⅳ)
Type		6 cylinder in line, 4 strokes, water-cooled, turbocharged, intercooled, common rail
Displacement		9.726 L
Rated power		198/2200 kW/rpm
Max. torque		1100/1100～1600 N·m/rpm
Gearbox		8 speeds forward, 1 reverse
Slewing system		2.6 r/min (Free slewing and foot brake)
Hydraulic system
Hydraulic pump		Quadruple gear pump driven by engine through P.T.O.
Control valve		Multiple control valves actuated by control stick with integrated pressure relief valve
Hydraulic oil tank		470 L
Oil filter		Return oil filter
Safety devices		Relief valve
		Hydraulic lock
		Over release auto control
		Overwinding auto control alarm
		Counter balance valve
		Load indicator
		Height limiter
		Overweight control alarm

Q: What are the truck cranes getting off the system and the car system?: If your system is a hydraulic or electrical system, then it is divided by the center of the rotating cylinder, and slewing support similar

Q: What is the difference between the main arm and the basic arm of a truck crane?: The main arm is for distinguishing between the main arm, the main arm including the basic arm (ie, the first arm), the second arm, the third arm, the fourth arm, the fifth arm (if there is a fifth arm

Q: What is a wheeled crane: According to the crane design manual to divide the words: tire cranes, truck cranes, crawler cranes are tied, belong to the fixed rotary crane!

Q: What is the hook crane technique?: Stop hook, slow，Shake hook, to coincide with the turntable speed.

Q: For hydraulic cranes, why adjust the legs must be carried out without load: This time will be on the hydraulic lock or balance valve spool force,

Q: What are the classification of mobile cranes?: The truck crane is a modified part of the car chassis or part of the chassis used to install the crane for the running part of the axle most of the use of flexible suspension

Q: Why does the crane have two cabs?: Inside the necessary equipment to be mechanical joystick, electrical control electrical cabinet, and pneumatic or hydraulic devices.

Q: How many car cranes are there?: Axis, the number of wheels is less, generally 8-axis 18 rounds, so the car crane is usually smaller tonnage, usually within 100 tons.

Q: Does the truck crane need to be certified?: For driving permitSafety Supervision Bureau for the annual safety inspection certificate

Q: What is a truck crane?: A truck crane is a crane mounted on an ordinary car chassis or a special car chassis, and the traveling cab is provided separately from the hoisting chamber.

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