Electric single-girder portal crane

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Electric single-girder portal crane

General

Electrical Hoist Gantry Crane is used together with CD MD Model electrical hoists.It is a track travelling small and medium-sized crane. Its proper lifting weight is 5 to 10 tons, proper span is 12 to 30 meters, its proper working temperature is -25°C to 40°C

It has two controlling methods, namely ground controlling and room controlling.

Feature

1)Power source is three-phase alternating current,rated frequency is 50Hz, rated Voltage is 380V.

2)The altitude height of site is ought to be less than 2000M.

3)Flammable,explosive and corrosive gas are forbidden in the work environment.

4)The crane is forbidden to lift fuse and blend deleterious article and flammable explosive article.

Technical characteristics of single gantry crane

This crane has hard surface gear reducer and steel rope and three-in-one transmission mechanism. Protective functions are as the following: acoustic-optic alarm, hook automatic stop protector, circuit protector and over current and phase lose protection and intelligent limit.

The electric devices adjust speed without contactor spark module and fulfill frequency convert function to reach mini-speed and double speeds, which make travelling and lifting very steady. The operating board (handle) adopts 12V safe voltage.

The electronic controlling can be used more than 2 million times when the voltage is +5~-10% of 380V.

Choosing principle of single gantry crane

According to the working system and using field. Which system you will choose, field should go first.

Calculating the times per hour of starting and pulling-on recycle, you should make the practical time per day and continuous time (h).

When select or appraise, you should be sure such items as field, all the limiting size, ambient temperature, speed, time(h), intermission or continuous, the time of starting and pulling-on per hour, etc.

The above mentioned is just for reference. Reasonable selection, design and match can increase the working efficiency greatly.

Table technical data

Lifting capacity		t	5					10
Span		m	18	22	26	30	35	18	22	26	30	35
Lifting height		m	10			11		10/10.5			11/11.5
Work system			A5
Speed	Main lifting	m/min	9.0
	Aux lifting							9.0
	Trolley traveling		35
	Crane traveling		30
Total power		KW	22.8			25.8		36.8			39.8
Max wheel load		KN	160	166	185	231	233	225	256	239	286	298
Recommended rail		Kg/m	43 kg/m
Power supply			380V, 50Hz, 3P( we can design cranes according to client’s local power source)

Layout

Electric single-girder portal crane

Q:A crane is used to lift a hopper full of cement to a height of 20m on a building sitethe hopper has mass 200kg and the cement 500kginitially the hopper accelerates upwards at 0.05m/s squared, then it travels at constant speed for some time before decelerating at 0.1m/s squared until it is at restthe hopper is then emptied.i) find the tension in the crane's cable during each of the three phases of the motion and after emptying.the cable's maximum safe load is 10,000 N.ii) what is the greatest mass of cement that can safely be transported in the same manner?: ours were labeled, but if you separate the guy who picks it up will know one from the other

Q:I ant believe that even of him.: ask your doctor for a prescription deodoranti used to have the same problemI switched my deodorant to a over the counter one call Mitchumit rolls on and works greattry it if you don't want to go to the doctors.

Q:My top string on my guitar is out of tune and I've tried to tune it right but right when it almost gets right, the string breaksI think its because of the bridge at the bottom of the stringsHow can i fix the bridge to make it that my top string can tune again?: Um depends on what guitar you've gotIf it's a standard bridge, there should be a screw at the end that you can tighten, but make sure it's the right one, because the other screw could control how close the strings are to the fret boardAnother thing may be a broken machine head, which would be a bummer :-/ means you'd have to get new ones

Q:Held my young cuz a few days ago while waiting for crane to lift vehicle off himno seatbelt.100ft drop off embankment.car rolled over on him.very disquieting.: I have a reptile lizardtoo and it is important to keep them warm but they have no body heat so a blanket would do nothingthe whole reason of a blanket is to keep your body heat in,but they r coldblooded animals and have no body heat so i would reccomend getting a heat lamp

Q:i need help: Option 1: A few good friends and very carfully thought out planningOption 2: Rent a small construction crane or lift and have them bring it in through an upstairs window, thats what my friends grandparents did with their claw foot bathtubEstimate Price For Crane: Vary for how evermany storiesroughly a few grand.

Q:I've decided to use the stairs instead of the elevator when I arrive at work, I'm on the 6th floor and I was wondering whether this could aid with losing weight and toning up my legsI know the whole climb takes around 3-4 minutes but I was wondering whether this does any good in the long term with regards to weight or will it at least speed up my metabolism??I personally don't have much faith in the stairs coz my room is on the 3rd floor in our villa so I go up and down at least 7-8 per day and I don't feel like it's done me any good for the least 2 years we've been in this house though my mom always says you never know, maybe you would've been fatter without them lt;- Scary thoughtThanks for the help :): consult your doctorfor neutralization of acid try antacid zantac.

Q:Ideas of what I can do!?: Actually, you don't have to diet per se if you want to lose weight, I discovered this at the web resource in the box below, they have plenty of tips and tricks, I worked off 7 pounds by following their techniques.

Q:What is the difference between gantry crane and tower crane?: Gantry hanging on the track to carry cargo, run and use a wide range, from the weight, tower crane is fixed in a position

Q:Should I:ASet up camp for the nightBJump off a bridge above a raging riverCPack my things and move outDFind a place to move out toEFail repeatedly at finding a place to move out toFDrop out of college for the millionth timeEHop a train to the next state and hitch hike until I find a place to stayFJump off an overpass into speeding trafficEDrink gasolineFStart running and keep running across the country, and when I reach one end, turn around and jog to the other end, and when I reach that end, turn around, and jog to the other end and then repeatEBecome confused over these options for the next week or twoFAsk you how to break free from this lifeETake a ride in my time machineFride my bike into oncoming trafficEPunch holes in stuff until my fist is all bloody and painfulFFly to the moon in my balsa wood plane EPlay with my LegosFKnock myself out somehowSorry; just let my mind go thereAnyweay, what should I do?: F: Be a sitcom writer E: Stop taking drugs (retire from sitcom writing) F: Learn what comes after the letter F G: Fly to the moon in a cardboard boxWe all know balsa wood is too flimsyWhat were you thinking? HOn your return hop on a train to the next state I: Half way there, decide to do the the cross-country running thing instead, and jump out of the train J: CrapYou broke your legBetter hobble home before darkK: Create a cast for your broken leg out of legos (not playing with them, per say, but close enough) L: Watch Forest Gump and regrett not being able to run cross country with the possibility of becoming a cult leaderM: Call your Mom, because it's her birthdayDon't forget, nowN: Punch holes in stuff O: Enter your time machine to go back in time to tell yourself not to punch holes in the wall, because it's really, really painful P: Ironically, you had punched the time machine, so now it's malfunctioningQ: You're sent back in time 70 million years to the cretaciousR: Being Chased perpetually by T-Rexes, you fullfill your dream of cross-country running in the continent of GondwanaS: Running into a giant dragonfly, you knock yourself out somehowT: The dragonfly deficates in your mouthIt tastes like gasoline, so close enoughU: You die, and due to a subsequent layer of ash from a nearby volcano, become fossilized, along with the personalized watch you're wearingV: 70 million years later, a paleantologist discovers your fossilized remains among cretacious dated strata, and changes long held theories of human originsA national geographic documentary ensuesW: The present day you watches the documentary, sees the personalized watch, and realizes it's yourselfX: In Back to the Future fashion, the fabric of space-time begins to unravelY: By next tuesday, the last of existance ceases to existZ: Mishion accomplished.

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