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Dictionary 

 

A carrying capacity - is the biggest mass of load, for transporting of which there is the appointed elevator.


A chain elevator - is an elevator in which a chain is used as a hauling organ .


A counterbalance - is a device for balancing booth's mass and part of usefull load.


A depth of booth - is a distance for horizontal lines between the internal surfaces of booth's walls, that it is measured athwart the width of booth.


A depth of mine - is a distance for horizontal lines between the internal surfaces of mine athwart to the width of mine.


A depth of mine's hollow - is distance for vertikal from the level of clean floor of lower landing (load) ground to the clean floor of mine's hollow.


A group management - is a control system by joint work two and more elevators.


A height of booth - is distance for vertical lines between the level of threshold and ceiling of booth.

 

Electric Elevators E-mail
Nowadays factories-producers offer the high-quality electric elevators of world class of high level of comfort, reliability and safety. Application in the elevators of modern components provides smooth motion of booth, reduction amount of refuses, noiseless work of elevators, and the wearproofness of materials is guaranteed by reliability and longevity of service of all mechanisms.
  The elevators equipped with an electromechanic have advantages for buildings with enhanceable intensity of motion.
An electro-drive can be twospeed and frequency adjusting of speed.
A twospeed drive does not need large power, and that is why consumes a bit energy. It is an optimum variant for housings buildings.
The feature of frequency drives is the use of highly technological microsystem which provides the smoothness of motion of elevator at an acceleration and braking. The passengers of such elevators are served considerably quick and comfort due to more smooth acceleration and braking. And the less using of electricity for the start of elevator allows to economize electric power. At the rates of movement of booth 1 m/s and anymore it is recommended to apply the frequency adjusting of power occasion of elevator, which will provide not only the smoothness of motion of booth but also high exactness of stops.
The drive of doors can have the frequency adjusting also .
Doors of elevators can be central or telescopic opening. Feature and attractiveness of doors of the telescopic opening is in possibility to shorten the width of mine, keeping the contain booth and, accordingly, to economize a building area .
Depending on a necessity, a booth can be passable, that is,to have two opposite entrances.
 It follows to foresee a machine apartment for electric elevators. It can be above the mine of elevator or directly near a mine. Some models of electric elevators can not have a machine apartment.
The most modern construction of winch with the vertical location of engine allows to decrease the amount of mechanical details, mobile knots and welding elements, that considerably improved vibro- and sound-proof descriptions of winch, and also promoted the term of exploitation. Due to the use of this small winch the sizes of machine apartment grew short. Possibility of programming is done a management more flexible. Application of small winch, technology production of which is based on the use of microprocessors, and also modern inspector, decide the task of economy of electric power and provide reliability of equipment during the long-term exploitation.
For the special order, it is possible assembling of the special device for automatic putting of booth on the nearest stop at the sudden disconnecting of tension.


 
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