WQ6 Derrick Crane

Steel Structure Highlights

Using the national standard Q235, Q345Bmaterial profiles, high capacity, long life;

Platform railings and all the smallcomponents of tower crane are made of hot dip galvanizing process, ensuring10--15 years of use.

Machine blasting pretreatment, surface Rustgrades and preparation grades are Sa2.0-2.5 level. Spray paint are divided,roast process, customers can freely choose according to demand, once theoverall paint can meet five years of continuous use.

You can install a standard section toincrease the height of the tower, it is widely used in climbing or enclosingthe large tower crane dismantling of auxiliary equipment within high-risebuilding

After the lifting operation is completed,the machine can be broken down into different weight of widgets and easilyreturned to the ground through human or construction hoist.

It can be customized according to customerrequirements.

Electrical control system highlights

Three institutions use inverter technologyto achieve zero speed brake, running smoothly without impact, greatly improvethe safety performance.

Real-time monitoring system to facilitatethe understanding of the roof crane usage, to achieve a true sense ofintelligent management.

Electrical components are used well-knownbrands.

1. Technical performance

Working mechanism			Hoisting mechanism	M5
			Slewing mechanism	M4
			luffing mechanism	M4
Working elevation			70°	20°
Working radius			9m	22.7m
Hoisting height (Base on the bottom ground of this crane)			22m	7.35m
Load			6t	1.53t
Hoisting mechanism	Type of electromotor		YZRW200L-6
	Power of electromotor		22KW
	Type of reducer		JZQ-500-Ⅱ-8CA
	Hoisting speed		15m/min(Average)
	Type of brake		YWZ300/45
	Diameter of rope roller		Φ299mm
	Type of steel cable		18×19W-Φ16-1960(no twisting)
Slewing mechanism	Type of electromotor		YLEW112M-4
	Power of electromotor		55N.m
	Type of reducer		XX4-100-195
	Slewing speed		0-0.62r/min
	Pinion		m=10 z=18 x=0.35
	Slewing bearing		HSW.35.1250 m=10 z=143
Luffing mechanism	Type of electromotor		Y132M-4
	Power of electromotor		7.5KW
	Type of reducer		JZQ-500i=48.57
	Luffing speed		2m/min
	Type of brake		TJ2-200
	Diameter of rope roller		Φ270MM
	Type of steel cable		6X19(W)-11-1670
Type of operation		Operation board with a handle

2. Workingperformance table when the length of jib is 23m

Radius(m)	9	10	11	12	13	14	15	16
Hoisting weight(t)	6	4.97	4.12	3.45	3.05	2.70	2.45	2.23
Radius(m)	17	18	19	20	21	22	22.7
Hoisting weight(t)	2.05	1.92	1.8	1.7	1.62	1.56	1.53

Solutions and Case

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