trolley mechanism 11JXF10

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Introduction

The JXL trolley mechanism is a self-designed new product based on the advanced foreign technology, and got the national utility mode patents.

The JXL trolley mechanism constitutes torque motor, half built-in planetary reduction gear wound roll, rack, and other components, which has advantages of smooth shift from the brake, transmission efficency, low noise, compact structure, and brakeing safe, reliable, accruate positioning, pleasing in appearance, and other characteristics.

After changing variable-frequency speed regulation motor and electronic system, the institutions can be changed to JXF trolley mechanism, which has the advantages of zero velocity brake, starting speed more stable and is more suitable to large tower crane and the trolley running on a demanding place.

Performance parameters

Model:11JXF10

Motor Power(KW):11

Rated single rope tension (N):10000

Single-rope linear velocity(m/min):0-65

Rope capacity(m):83

Wire rope diameter(mm):10

Relevant parameter of the suitable tower crane

--Max lifting load(t):25

--Max crest(m):85

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Q:What makes a crane so strong?
Cranes are built using a structural technique called a truss which is characterized by looking like a series of triangles connected together. That structure prevents the members from having to resist any bending loads. All of the truss members experience only tension and compression, no bending. That is an extremely efficient structure which is why they can be so strong without being monstrously heavy. Or if you prefer the short answer, engineers make the crane so strong.
Q:The arm of a crane at a construction site is 17.0 m long, and it makes an angle of 13.5◦ with the horizantal.?
The easy answer is that the applied torque is the cross product of the radial arm and the force, or in this case T = 811*17*cos(13.5). The hard (it's actually not that hard) answer will depend on the design and material properties of the crane. Since the problem asks for max torque, I'd find the bending stress due to the moment found above (T = 811*17*cos(13.5)) where bending stress = Ty/I. Next, compare this to the yield stress of the crane's material and an appropriate failure criterion.
Q:lifting a machine with two crane and a beam?
You left out crucial information and working it out with risky assumptions takes too much work. Whatever this was supposed to mean Machin connect to beam in 3 point What is missing is whether the cranes connect to the end and the entire weight of the machine is in the middle - or is the machine attached at 3 distributed points. In addition, there has to be some condition - looking at the ASTM spec will give strength, but you have specified whether the beam is to be just at failure or 50% safety factor, etc.
Q:Stephen Crane's war beliefs?
The Pluralistic Philosophy of Stephen Crane by Patrick K Dooley - 1994 The Poetry of Stephen Crane by Daniel G Hoffman, Professor Danlel G Hoffman - 1971 - 304 pages the sources of Crane's philosophy and art are as yet undeciphered I know he was a son of a Pastor, did not live long and I never liked his RBC book (Red Badge of Courage RBC the term for red blood Cells), but hope the above help.
Q:Deeper meaning of this Stephen Crane poem?
Stephen Crane Poems
Q:When installing crane gold 1.6 roller rockers on an lt1, do you use any of the original rockers?
Lt1 Roller Rockers
Q:What other actress of the 1960s who could have done the role of Marion Crane in Psycho,in place of Janet Leigh?
Believe it or not? Alfred Hitchcock had thought Vera Miles would have been good in that role. He had one of his mini-crushes on Vera, and had planned to make her a superstar. However, he lost patience when Vera decided to enjoy her married life and have babies. Vera had no burning desire to become a superstar, and was happy with the work she was doing. She was also very smart in another way. She said that those parts worked out well for the blonde, sexy women that played them, but that just wasn't her look or her approach to acting. Vera Miles was in the movie Psycho, but she played the part of Marion Crane's sister. I've always thought that Janet Leigh was perfect in that role. She was so beautiful and unbelievably sexy that when she was on the screen? You couldn't stop watching her. Her ample bosom was an attention-getter all by itself. No offense to Janet Leigh, but I don't know if anyone cared if she could act or not! However, she did a fine job in Psycho.
Q:A crane lifts a 425 kg steel beam vertically a distance of 117m?
You have the right idea, the answer is d. EDIT: Well I actually read the rest of the question (sometimes I get an itchy trigger finger!), and the net force should be found first, the net force includes the weight and the tension in the crane's cable (so you need to find the tension): ∑F = ma = T - mg T = m(a + g) = 425kg(1.80m/s² + 9.80m/s²) = 4930N So the net force is the sum of the tension in the cable and the weight of the beam, or: F = T - mg = 4930N - (425kg)(9.80m/s²) = 735N Then, the work done by the crane is: W = FΔy = 735N(117m) = 8.95 x 10^4J Does not match any of your choices, so I am perplexed! Maybe someone will straighten me out. Apologies if I failed to help.
Q:white crane gong fu,lions roar gong fu,viet voa doa,aikijujutsu striking concepts,wah lum north mantis kungfu?
several styles are called crane and crane is a long range, fluid style. Lion's roar is an alt. name for tibetan hop gar, an art of hammer fists and forearms delivered with big swinging motions. Viet Vo Dao is viet martial arts, and they feature leg scissors holds and takedowns- very spectacular. Viet arts also including work on disarming guns and knives. Aikijitsu is the original combat art on which aikido is based. Wah lum is an eclectic kung fu style encompassing many shaolin techniques and the unique mantis fist. (hook with index finger out)
Q:expane the parts of crane?
The spelling error is fatal: expane does not resemble anything that makes sense. At least two things are called a crane, one a machine and the other a bird. So you just need to rewrite your question so that it explains what you want clearly enough for somebody to look up an answer.

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