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Saturday, July 6, 2013

Chain Pulley Blocks Manufacturer & Exporter and the mechanism associated with it

Chain Pulley Blocks is the systems which includes chain, cable or rope which is threaded between two or more pulleys. These are also known as block and tackle systems and are mainly utilized for pulling or lifting heavy loads. Blocks are formed by assembling pulleys together and then the blocks are paired so that one can move with the load and other remains fixed. The rope is reeved or threaded through the pulleys which offer with mechanical advantage and the force applied to the rope is amplified.

A set of sheaves or pulleys is the block and on a single axle these are mounted. The rope or chain is to thread the assembly of two blocks which is known as tackle. The tension force is amplified by the block and tackle system in the rope for pulling or lifting heavy loads.  The mechanical advantage of the block and tackle system becomes equal to the number of supporting ropes or number of sections present in the line that either run or attach through the moving block if the frictional losses are neglected.

The tackle’s mechanical advantage states that how much easier it is to lift or haul the load. The tackle which has 4 as mechanical advantage, it is able to haul the load of 100 N and tension of only 25 N is used for lifting the part of the line. The mechanical advantage of these systems is perfect that directly correlates with velocity ratio. The tackle’s velocity ratio is the hauling line’s relative velocities to the hauled load. The line which has 4 as mechanical advantage its velocity ratio is 4:1. 1 meter per second load can be raised by the rope’s hauling part which must pull per second 4 meters. Therefore 4 is the block and tackle’s mechanical advantage.

These systems of black and tackle are available in various configurations. Through each pulley in a block, two parts of the rope are present and at the start of the rope an additional part is also attached to some blocks. By one the mechanical advantage is increased if the rope attachment with the block is chosen for moving the block. In these types of arrangement, the direction of the load is followed by the hauling rope and it also moves in the same direction. In the Threefold, Double tackle and Gun tackle, in both blocks same number of pulleys are present.

Chain Pulley Blocks are easily available online. Persons or organizations interested can browse the internet to directly buy from the manufacturers.


Features
  • Electric Hoists
  • Belt Driven Hoists
  • Capacity 0.5 Ton to 20.0 Ton
  • Available both 3 & 1 Phase
  • Voltage control capacity of 24 Volts

For more info and specification visit:

PIONEER CRANES & ELEVATORS (P) LTD.

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3 Comments:

Blogger cisneha said...

Great Post and really very informative. The information shared about the chain pulleys really help a lot to buy it online.

July 18, 2013 at 3:51 AM  
Anonymous The Ratchet Shop said...

It is impressive how string chain pulleys and lifting chains are. They are such an important part of a construction site and it is vital to have good quality equipment.

September 26, 2013 at 8:44 AM  
Anonymous Anonymous said...

Well, it is good and very informative articles. about chain pulley blocks all information mentioned in this article so this information good for who buy this product online.

October 10, 2013 at 11:32 PM  

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