trolley mechanism 4JXF4

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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


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

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Q:Is folding 1000 paper cranes true will it grant you a wish or help you recover from like cancer or sickness?
Although I hope the baby is ok, this is not going to help anything. Folding 1000 cranes will just waste paper and your time. Instead just keep the baby in your prayers and hope God will handle the rest. God bless and I'll keep your aunt and her baby in my prayers
Q:A crane lifts a load of 3000 kg to a height of 8.5 meters in 15 seconds?
I wonder if you saw my response to the additional question you asked of my previous answer to this question .. To see my response .. go to your previous question and click on comment in the Action Bar (below 'Asker's Rating')
Q:How many meters of cranes should be in accordance with the anemometer?
In accordance with national regulations, outdoor cranes need to install anemometer.Specific provisions"GB6067.1-2010 crane safety regulations", 9.6.1 anemometer and wind speed alarm9.6.1.1 high speed cranes for outdoor work shall be equipped with an anemometer. The anemometer shall be located upwind of the upper part of the crane. high speed crane for outdoor operation should be equipped with an air speed alarm that displays instantaneous wind speed, and when the wind speed is greater than the working wind speed setting value, the alarm signal should be sent out.
Q:How are high rise cranes erected?
They are erected onto themselves..
Q:How do those cranes that build skyscrapers that go up with the building get back down after it's completed?
little pieces by welly chopper
Q:How does a crane get on top of a building and how does it go back down?
Depends on the building of course. Either a taller crane is brought in to lift them, or they're lifted by helicopter. And sometimes a building effectively builds itself, and the crane moves up with the construction platform after being constructed at ground level. Will still need a helicopter to remove it of course.
Q:What happened to Seneca Crane in the Hunger Games?
Seneca Crane was the head gamemaker in for the 74th Hunger Games. President Snow had him hung because he changed the rules to allow both Katniss and Peeta to win.
Q:How were Railroad Steam Engines from 1830 to 1890's recovered before the advent of the Wrecker Steam Crane.?
Block and tackle. Some disassembling required. Consider this Stonewall Jackson raided Grafton WV and took several locomotives over land to a southern rail head. The special equipment was developed due to increased engine size. When steam cranes were/are used temporary tracks are laid at the wreck site for several reasons. one of which is to get equipment in and the other is to haul the wreckage out. The actual number of cranes required depended on the engine/s in the wreck, location on the wreck, skill of the operators and extent of damage. If the locomotive was damaged to much, it might be cut up. If the location was too difficult for recover, they were abandoned or buried. Rumor has it that there are several locomotives left at the bottom of slides awaiting for some one with enough money to recover them for restoration. Like the story of legend concerning a 1953 Corvette in a old barn. Hope that answers all your questions.
Q:Similarities in theme with Emily Dickinson and Stephen Crane?
Q:How do they get those big tower cranes down after they set it up at a onstruction site?
they are put up section by section with another crane

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