trolley mechanism 4D3V3

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Introduction

According to the France Potain Companys mature technologies and requirements, the series of the mechanism of the buggy is designed, and it is consitituted with the three-phase asynchronous motor torque, the inner planetery reduction gear, wound roll, rack, and other componets.Through voltage regulation and an eddy current brake role can be low, medium, high rate, the electrical own electromagnetic disc brake, a brake steady speed, brake safe, reliable, accurate positioning, the most suitable for Potain tower crane series and replace imported products.

Performance parameters

Model:4D3V3

Rated stalling torque of torque motor(N.M):75

Rated single rope tension (N):3500

Single-rope linear velocity(m/min):0-58

Rope capacity(m):56

Relevant parameter of the suitable tower crane

--Max lifting load(t):8

--Max crest(m):58

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Q:what is behind the story " thousand paper cranes" ?
A girl named Sadako heard about a tale that tells if you folded a thousand paper cranes, you get one wish.
Q:Are tower cranes the same as tower cranes?
Tomato, you tomato, potatoes, you potatoTalent exchange of tower crane and tower crane
Q:On the wing chun T-shirts they got i print of a crane and a snake what do they mean and the yin and yang?
There are a couple of theories behind the snake and crane. One is that Wing Chun was developed as a hybrid of the snake and crane styles. The other goes back to the folk tale that a Shaolin nun named Ng Mui got inspiration for creating Wing Chun by watching either a snake and crane or fox and crane fight. The yin and yang is a religious symbol coming from taoism. It symbolizes opposites like hard and soft and how they must be in harmony.
Q:Origami Crane?
These okorder.com It takes quite a few tries to get it right, but once you do it is easy.
Q:What do cranes have to do with geometry?
If your referring to cranes in construction cranes, then it might form a right triangle with the ground implying the use of trigonometry which is a part of geometry.
Q:Why didn't Machida use the crane kick on Jones?
On the whole fight, Machida try to use the front kick (not crane kick) to the head against Jon Jones during first round, but due to reach differences, he is not able to hit him, and Jon Jones are keeping distance against Machida, because when Lyoto try to hit him, Jones simply slide back to avoid the strike. But, on all the bouts of Jon Jones, the only time I have seen him struggling against his opponent, is during the first round that he feel nervous, especially when Machida counter him by left punch while pushing him or kicking in the leg. Jones is lucky enough to hit Lyoto unexpectedly and choke him via technical guillotine, because if not, then I am expecting that Lyoto will win via decision. I am expecting that Lyoto Machida will go back in the octagon to fight somebody before arranging the rematch against Jon Jones. ......................................
Q:What controls are needed for the 'average' tower crane?
There are only two control levers that are on a tower crane.There is one on either side of the seat called joy sticks the right side joy stick controls the hoist cable to go up and down pushed forward to go down and pulled back to hoist up.The left has four functions it controls the swing of the crane and also the boom of the crane to control the swing you push the lever to the left to swing left and push the lever right to swing right.You pull the lever back to boom up and puh it forward to boom down.
Q:how many days does it take to make 1000 paper cranes?
It depends on how many people are making them. Depending on skill it takes about 2-5 minutes to make a crane. If you dedicate 5 hours a day that makes 7-50 days if one person is making them. Cranes are often made for memorial. It is a Japanese tradition, especially for Hiroshima. You make 1000 cranes as a memorial for the lost lives. She should definitely get her friends to help.
Q:What kind of personnel should be installed for the tower crane installation and disassembly?
According to GB specifications:2.0.3 the installation and disassembly of tower cranes shall be provided with the following personnel:1. The project and the safety supervisor and the mechanical management personnel who have the safety inspection certificate;2, with special construction operation qualification certificate of construction, lifting machinery, installation, demolition workers, lifting signal workers, lifting drivers, cable operators and other special operations personnel.And an electrician.
Q:How are skyscrapers been build ?no cranes can be that high?
That is a good answer. Ordinary cranes build the steel frame to a height of perhaps 60 feet. The frame is designed so a specially designed crane can climb up the side (like climbing a ladder) to about 50 feet where the climbing crane can complete the frame to about 100 feet, then the crane can climb to the 90 foot level and build the frame to about 150 feet etc. Another method is the floor at about the 60 foot level is completed and extra strong. A crane is assembled on that floor and can complete the steel frame to about 100 feet where another extra strong floor is built. The crane at 60 feet is then dismantled and moved to the floor at the 100 foot level, or perhaps this is a second crane. Repeat until the full height of the building is frame work. As cranes are removed at the lower levels, more floors can be installed and some of the finishing work done. Either way, you can see why very tall buildings are very expensive. Likely both methods are used for some very large and very tall buildings. Neil

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