trolley mechanism 3JXD1

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Introduction

On the basis of absorbing advanced foreign technology, our company developed the JXD trolley luffing mechanism independently for small and medium-sized tower cranes.

This series of trolley mechanism consists of electromagnetic double-speed change-pole motor, semi-concealed planetary reducer, drum, frame and other components.Its characteristics include compact sturcture, high driving efficiency, and low noise, safe and reliable braking, accurate positioning, pleasing in appearance and so on. When users have higher requirements to the trolley running, variable- frequency speed regulation motor with the same interface and relevant electric contol system may be changed to form the variable-frenquency speed regulation trolley mechanism.

Performance parameters

Model:3JXD1

Motor Power(KW):3.3/2.2

Rated single rope tension (N):3400

Single-rope linear velocity(m/min):40/20

Rope capacity(m):59

Wire rope diameter(mm):7

Relevant parameter of the suitable tower crane

--Max lifting load(t):8

--Max crest(m):61

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Q:Tower cranes should stop working when the wind speed is greater than the magnitude.
Tower crane work is strictly prohibited at grade 4 or above
Q:What are some ideas to build a crane out of Popsicle sticks?
This Site Might Help You. RE: What are some ideas to build a crane out of Popsicle sticks? The cantilever part has to stay at least 6-12 inches off the ground.
Q:How did Romans make columns in roman times Without cranes?
They simply lay the stone down, chiseled out the column, then stood it up via an A frame, however the Romans did have cranes, (not the massive things of today) but mobile wooden ones with counter weights at the back that operated on a system of pulleys (they even had cranes that operated on water)
Q:Is boom truck a crane truck? Are they the same or two different kind of truck?
A 'boom' is attached to a flat-bed truck and is used to unload a heavy delivery (usually building supplies and materials) to a specific location. A 'crane' is similar except that it doesn't unload things. It is attached to a truck and is used for moving heavy objects and materials from one place on another on the same property.
Q:Where are gears used on a crane?
It's more a matter of where gears MIGHT be used. 1. Gear reduction to lifting cable drum. 2. Gears to rotate the crane, or driving cable drum to extend jib. 3. If a mobile crane, gears to transmit drive to wheels/ tracks etc.
Q:In stephen Crane's The Open Boat does the correspondent change from the beginning of the story to the end?
Wow. I haven't read this in years but I loved this shortstory. Yes, the narrator (or corespondent) definitely changes and the nature of this change is made explicit in the closing passages of the story where, if I recall correctly, he says that he feels as if he has become an interpreter of nature.
Q:Can anyone help me interpret the poem Fear by Hart Crane? or North Labrador?
Analysing Poetry Close reading may seem like a foreign and unfamiliar approach to analyzing a piece of text. However, it can often yield insights that will help you to create a unique paper developed from your own interpretation of the text. To analyze the work effectively, it is useful to concentrate on specific components of literature used to build and reveal the themes in the work. This process will help you explain how a passage relates to central themes in the text allowing you to reach an intelligent and creative thesis for a literary analysis. First, choose a passage (or a series of passages) that intrigues you.
Q:Is making 1000 cranes a good gift to give to my friend?
One idea would be to send one crane that you've made using airmail paper. Write your wish for your friend tell him that you have 999 more cranes waiting for him to return home again.
Q:Is Air Crane a Trademark-able name for a Rigid Airship used primarily for moving heavy objects from above?
It's okorder.com/.... Judging by the fact that a Google search results in many different companies/aircraft that incorporate the term 'air crane', I would say so. But it seems that the term is usually associated with heavy-lift rotorcraft. It also appears that the term is in the public domain. So, you could call it 'JV's Air Crane' or something like that. I've Googled SkyLift, AirLift, Zeplift- all taken However, DiriLift, DirigiLift,and ZepCrane yielded no results. *I relinquish all rights to these terms
Q:What is the load moment of a crane?
Cranes are classified according to their tip load of capacity. Moment of a crane depents on its type. Usually moment is calculated by the lenght of its boom multiplied the tip load it carries.

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