trolley mechanism 4JXF4

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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:4JXF4

Motor Power(KW):4

Rated stalling torque of torque motor(N.m):

Rated single rope tension (N):4500

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

Rope capacity(m):63

Wire rope diameter(mm):8

Relevant parameter of the suitable tower crane

--Max lifting load(t):10

--Max crest(m):65

trolley mechanism 4JXF4

Q:Is there a certain direction and reason a construction worker will leave a crane facing a certain direction.: They would generally try to point the boom (the longer part of the crane) away from the prevailing winds. This reduces stress on the tower - but it's not really a big deal.

Q:Which kind is better, gantry crane or tower crane?: Each has advantages, the use of different conditions, the use of different cranes, tower cranes can not move, but the lifting height can be very high, the door machine has tracks can be vertical and horizontal movements, lifting height, tower crane is not high.

Q:I've been making lots of paper cranes lately, thinking I would know exactly what to do with them. In reality, I'm a bit short on ideas... Can you help me with this, because I'd love to find ways to decorate my room with them. I can't really use nails on my walls or ceiling, so I can't do a mobile or randomly string them about.: Okay - so if you can't string them from the ceiling - than what I would do is buy some round vases/globes, from Pier one or some place like that, and fill them with paper cranes, then set the bowls on your shelves/windowsill/desk/table or other flat surface. I've enclosed some examples below. You can also make a mobile by hanging something like a super strength hook with adhesive. 3M makes them (the same folks who created scotch tape). The adhesive does not damage walls and you can stick them to anything. They can bear up to 30 pounds of weight. Put a few on your ceiling or walls and hang your mobiles from them.

Q:Describe how a bottleneck event reduces genetic diversity in a population, and specifically how this has affected the current population of whooping cranes in the U.S: Well, a bottleneck reduces the number of organisms in a population or species down to a much smaller number than previously existed. In the case of the whooping crane, the species underwent a bottlenck event (although what it is I'm not sure), leaving us with less than 12 individual birds. The more widely accepted number of 6-8 birds has given rise to the several hundred whooping cranes alive today. Since only half a dozen sets of genes were used to create the several hundred, there is not much genetic variability.

Q:i saw a huge one look liked it had a stinger to those hurt u?: Unless you are a plant, you have nothing to fear from crane flies.

Q:I've been wondering about the infamous Crane Stance that many people associate with Martial Arts. Is the Crane Stance a technique that can be used in a fight and strike an opponent effectively without overly exposing yourself to strikes by your opponent? If it is, what are some techniques that can be used out of a Crane Stance?: The tournament habit of dramatically posing these stances gives one the impression the user is waiting for an attack rather than evading an attack( kick to the knee blocking a kick to the groin lower abdomen area or delivering a knee strike.) Shotokan pretty much removed these stances except for one kata ganakaku in other kata the leg raise is done very swiftly with the leg returning to the ground immediately nijushi ho being a good example.

Q:I still cannot grasp how a crane was taken apart on a building with no roof: They used a climbing crane , and who said that the building has no roof? the crane parts can be dismantled on site and removed either by helicopters or using the construction lifts

Q:what is the function of load indicator on a crane?: it indicates the load being placed on the crane so the operator can keep the load within limits.

Q:I don't like the crane stock because it looks funny but if you can see the wires when you use a PEQ box I'd prefer a crane stock: If you are looking towards a JG/Echo 1 model, choose the PEQ. The Jg's crane stocks are not compatable with any crane stock battery, however their PEQs are. Having a spare battery is important........ But, if you are not looking towards a JG, then it's up to you. Crane stocks have the balance of a battery in the rear, so your gun is not front heavy, but with PEQs you can see the wiring. If you are worried about damaging your wiring, tape it in electric tape.

Q:Around how much would it be to rent a crane to put a jacuzzi in my backyard.: What the heck do you need a crane for? Is your backyard surrounded by a moat or somthing? Anyways, around $700 an hour, assuming you live in a populated area.

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