FHTT2800A Tower Crane

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工作幅度Working Radius(m)	60	70	80
起重臂长Jib Length（Ld）	64	74	84
平衡臂长Counter-jib Length（Lc）	26	26	32

基本参数表 Basic Parameters
Hq	起升高度Load-lifting Height	77.7	(m)
H	塔身高度Tower Height	72.3	(m)
M	额定起升力矩Rated Hoisting Moment	2800	(t.m)
M₀	最大起升力矩Max. Hoisting Moment	2840	(t.m)
Ba×Bc	塔身外包尺寸Tower Overall Size	4.5x4.3	(m)
Hd	底架高度Height of Undercarriage	4.6	(m)
Hm	门架高度Height of Gantry Mounting	5.7	(m)
Hg	固定基础高度Fixed-base Height	0.77	(m)
B	行走轨距Track Center	12	（m）

塔身 Masts

预埋式行走式底架式

Embedded Travelling Undercarriage

载荷表 Load Chart

幅度		Max.capacity	22.5	25	30	35	40	45	50	55	60	65	70	75	80
m		m/t	22.5	25	30	35	40	45	50	55	60	65	70	75	80
80	8fall	6-22.5m/125t	125	111.6	91.2	76.7	65.8	57.3	50.5	45	40.4	36.5	33.2	30.3	27.8
80	4fall	6-47.4m/60t	60	60	60	60	60	60	56.5	51	46.4	42.5	39.2	36.3	33.8
70	8fall	6-22.5m/125t	125	111.6	91.2	76.7	65.8	57.3	50.5	45	40.4	36.5	33.2
70	4fall	6-47.4m/60t	60	60	60	60	60	60	56.5	51	46.4	42.5	39.2
60	8fall	6-22.5m/125t	125	111.6	91.2	76.7	65.8	57.3	50.5	45	40.4
60	4fall	6-47.4m/60t	60	60	60	60	60	60	56.5	51	46.4

主要性能参数 Main Specifications

机构 Mechanism			4fall		8fall			电动机 Motor(kW)
			m/min	t	m/min	t
	125t	起升Hoisting	0-55	0-60	0-27.5	0-125	1500m*	110
	变幅Luffing		0-48m/min					55
	回转Slewing		0-0.5rpm					4x15
	行走Travelling		0-12m/min					16x4
			kVA
380V 50Hz			固定式Fixed-base 250/行走式Travelling 320

*根据用户特殊要求提供 To be supplied according toclient’s specific requirements

本技术参数不受法律约束，技术信息请详见相应说明书，最终解释权归丰汇技术所有。Specificationsand data is not legally binding. For any technical information, please refer tothe corresponding instructions. We reserve all the rights.

Q:With hi-rise buildings being constructed left and right, i was just wondering, how do they raise cranes? this has really been bugging me for a time now..: Tower cranes are usually erected in one of two ways. You could lift the parts into place with a mobile crane with a telescopic boom which is taller than the crane being built. Some people ask why you dont just use the mobile crane all the time, but the tower crane has higher lifting capacity, longer reach and is cheaper. Some tower cranes are assembled at ground level. The long boom, cab and counter weight are assembled and then jacked up off the ground. A small bit of tower is then sliped in beneath the assembly and attached. The crane is the jacked up again and another portion of the tower sliped in. This is repeated until the desired height is reached. The first method is the most common.

Q:a crane lifts load of 500kg mass to a distance f 20m in 10s at a constant velocity. how much work is done?: a lot

Q:I read a book a year ago about sadako sasaki who tried to make all 1000 paper cranes to live. Do you have to keep saying your wish over again when your making them, and when you finished making all 1000 how long did you wait until your wish came true??: you make your wish once your done cause you only get the wish if you have 1000 cranes right so saying your wish when you only have 6 won't do anything. it can come true the next day till the next year or ten years it not something definite. I've never made 1000 but I think I will.

Q:How do you apply for it? What are the specific requirements?: These do not worry about you, these large machinery is a professional installation team, security, demolition,

Q:how is a tall crane constructed? how can they put the crane on top of its tall body frame?: They first construct the top of crane on the ground with help from other mobile cranes. This includes the long horizontal part with the operator's cab, and the concrete counterweight. this is then placed on a climber, with which the crane kind of builds and climbs itself to the necessary height. Every vertical section of the crane is placed in the climber. When the piece is in place, the climber climbs to the top of piece from where the next vertical piece is placed and so on. You can see how a crane is constructed in the website I've cited below:

Q:How the cranes can stand without any tipping with huge counter weights on its back? If there is no suspended load also the crane is is still stable with huge counter weights on its back. How it can possible? Why crane is not offballencing while we adding extra counter weights on it without any suspended load?: Usually the counterweights can move back and forth on an arm. They are moved toward the crane when there is no load and away from the crane when there is a load. If the counterweights can't move, then the crane must be designed to hold (at least) the minimum counterweights in their fixed location. As the crane gets loaded, the net moment decreases, and then increases in the other direction as more and more load gets added. It is still likely that the maximum design moment when loaded far exceeds the moment due to the counterweights on an unloaded crane.

Q:im doing a project and i need to know what eats sandhill cranes asap.: They are omnivorous, eating insects, aquatic plants and animals, rodents, seeds and berries.

Q:The story I'm writing that has Frank Crane in it is here. Is there a better name I could be using for the protagonist?: I agree with the first poster that you are doing something very wrong. Rather than worrying about the name you may want to reconsider the gender.

Q:This has nothing to do with travel, I'm just curious. I hate it when the news doesn't follow up on stories they focused on earlier. Does anyone have a status update on that crane that was swaying in the wind during Sandy?: My friend, that is a good question. According to the latest news conference from the Mayor, the crane's boom arm is secured to the structure. However, West 57th Street between Broadway and 7th Avenue is closed until farther noticed. In addition, the 57th Street-7th Avenue subway station on the N, R and Q Line is closed and trains are bypassing the station in both directions, according to the MTA. Good luck Native New Yorker

Q:I want to make a sculpture out of 1,000 paper cranes. I have sometime to work on it, but not months. Has anyone ever known someone to do this, or done this themselves? How much time should I allow for such a project?: Do one and time it, then multiply by 1000. Subtract some time because you will get faster from experience.

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