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QUY400

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---- Product Introduction

QUY400 hydraulic crawler crane is produced on the base of years of manufacturing experience on 35 ton – 500 ton series of crawler crane with reference to advanced overseas technologies, and it is designed to meet the market needs, enterprise conditions and applications in China. Its performance parameters equal to that of overseas products of the same kind. It can be widely used in power plant construction, bridge construction, petrochemical segments, metallurgy, water conservancy, water power construction and etc. and it is currently the largest and most advanced crawler crane in China. It fills the gap of large ton level crane in China, and promotes China’s crawler crane technology developing towards a higher level. The machine has the following features:
1. Centralized lubrication and sealed type bearing mechanism maximally reduced the maintenance needs.
2. Self-assembly system and the lower section adopt electrical controlled power assembly system, which eliminates hydraulic manual operation, reduced the dependent on auxiliary crane.
3. Electronic monitor, troubleshooting, engine parameters, torque limiter and other functions displays on the screen.
4. The wide rotary and pitching cab has wide view, convenient to transport.
5. Double drive closed type slew system with floating function features smooth operation with no impact.
6. The system adopt pump control, electronic proportional operation, proportional electromagnet with limit load, and pressure cut-off function, which features smooth movement, and good micro move capability.
7. Double drive, double forged broken line pulley.
8. 5 kinds of arm frame combination, optional superlift arm frame, extending work range.
9. High strength plate replaced the steel rope type structure.
10. The main link pin is assembled by hydraulic pressure.
11. With superstructure and undercarriage separating device, the slewing table and frame can be fitted or disassembled quickly, thus reduced the transportation weight.
12. The pulley has 3 circle protection device and counting sensor which can monitor the winding layer at any time.

---- Product Parameters

QUY400 Technical Parameters
Descriptions		Parameters
Boom	Max. rated lifting capacity （t）	Main boom SH: 400 Main boom SH/LH: 113.5
Boom	Length（m）	Main boom SH:18～78 Main boom SH/LH:30～96 (63SH +33LH)
Tower crane	Max. rated lifting capacity（t）	46.4～116.7 (4—9 times)
Tower crane	Length （m）	Length of basic arm: (boom + tower arm) 24+24 Max. arm length: (boom + tower arm) 72+66
Superlift boom	Max. rated lifting capacity（t）	400 （ 0 suspension counterweight） 400 （90T×13M） 400 （250T×13M）
Superlift boom	Length（m）	Boom:30～84
Superlift tower crane	Max. rated lifting capacity（t）	54.2～113.5 (4—9 times)
Superlift tower crane	Length（m）	Length of basic arm: (boom + tower arm) 36+30 Max. arm length: (boom + tower arm) 72+66
Superlift tower crane(90T×13M)	Max. rated lifting capacity（t）	120.3
Superlift tower crane(90T×13M)	Length（m）	Length of basic arm: (boom + tower arm) 36+30 Max. arm length: (boom + tower arm) 78+66
hook（t）		13.5 / 40 / 70 / 120 / 200 / 400

Speed	Lift（m/min）		0 —145
	Main luffing（m/min）		2×36
	Tower arm/ superlift arm luffing（m/min）		72／108
	Swing speed（r/min）		0 — 1.1
	Travel speed（km/h）		0 —1.2
Gradeability	30%		17°
Weight with basic arm（t）	346		Ground pressure（Kg/cm²）	1.4
Boom luffing angle (°)	30 — 84		Tower type boom luffing angle (°)	66、76、86
Tower type fly jib luffing angle (°)	15 — 72
Max. lifting torque (t .m)	2400	Size (L×W×H) :14.550m×8.790m×4.490m
The engine	Model	QSM11 imported Cummins electric control diesel
	Power(KW)	298
	Rev(rpm)	2100

Note:
1.speed may vary with the load.
2.The crane consists of 120 ton balance counterweight, 40 ton vehicle counterweight, 18m standard arm and 400 ton hook.
3.LH arm can be used interchangeably with part of tower arm.