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Elevator Repair: Hydraulic, Electric And Service
By:
Published: July 27, 2007
It's practically impossible to get through life without utilizing or benefiting from elevators. High-rises and skyscrapers only exist because of the advent of efficiently vertical people movers, and it's important to remember that elevators themselves would not exist without the service of elevator repair trade unions. The need for utmost efficiency and safety when it comes to elevators is what makes elevator repair such a vital construction trade, one that affects people's lives in more ways than they are probably conscious of.
Modern elevators come in two major design categories, electric (i.e., traction) and hydraulic, both of which require routine repair and service. Electric elevators operate using high speed electric motors to hoist steel ropes over a grooved pulley (or sheave as it's known in elevator repair) thereby balancing the car and a counterweight. Varieties of traction elevators can employ slightly different systems, with some using high speed gearless machines while others have separate elevator cars counter-weighting each other.
Hydraulic elevators employ pressurized pistons to raise and lower cars with what is known as a hole, or tube room, that contains the hydraulic system at the base of the shaft. Again, there are various systems that utilize hydraulics including roped, twin post, and hole-less hydraulic elevators. While these elevators are generally cheaper to install than traction systems, they are also slower and cannot be utilized in buildings over 10 stories.
In the world of elevator installation and repair, mechanics assemble, install, replace, modernize, and service elevator systems. Because of the components of most elevator designs and the always electronically controlled floor button panels, elevator repair specialists must have thorough knowledge of mechanical and electrical engineering as well as general electronics and computerization. Elevators are repaired by various skilled workers depending on the required service. With installation complete, adjusters (known to be the most highly skilled elevator repair specialists) fine tune systems to assure all regulations are met and all safety standards are in place.
Once a system is up and running, elevator repair workers service a system as needed while also performing preventative maintenance. Elevator repair generally calls for the greasing of mechanical parts, replacing worn parts, adjusting gears and controls, and measuring and testing efficiency, wiring, or hydraulic pressure. Much of elevator repair work involves troubleshooting, determining and narrowing down a problem, and then problem solving the best method for correcting it. As technology and digitization progresses, elevator repair follows, requiring elevator repair specialists to become increasingly knowledgeable and electronically savvy.
Elevators make a lot of things possible, and most people take a safe, efficient, and successful elevator ride for granted. Without the behind the scenes science of elevator repair, everyone would be stuck between floors in small spaces with strangers. It is thanks to elevator repair that safe, efficient, and easy elevator travel is possible. Elevator repair affects almost every person's life whether they know it or not, so be sure to thank the next elevator repair specialist that happens to come by.
Sources:
Elevator Installers and Repairers. BLS.gov. 4 Aug. 2006. US Bureau of Labor Statistics. 13 July 2007. http://www.bls.gov/oco/ocos189.htm.
Service and Maintenance. Stanley Elevator.com. 2002. Stanley Elevator Inc. 13 July 2007. http://www.stanleyelevator.com/Elevator-Modernizat ion-contracts.htm.
“Elevator.” Wikipedia.13 July 2007. 13 July 2007. http://en.wikipedia.org/wiki/Elevators.
Modern elevators come in two major design categories, electric (i.e., traction) and hydraulic, both of which require routine repair and service. Electric elevators operate using high speed electric motors to hoist steel ropes over a grooved pulley (or sheave as it's known in elevator repair) thereby balancing the car and a counterweight. Varieties of traction elevators can employ slightly different systems, with some using high speed gearless machines while others have separate elevator cars counter-weighting each other.
Hydraulic elevators employ pressurized pistons to raise and lower cars with what is known as a hole, or tube room, that contains the hydraulic system at the base of the shaft. Again, there are various systems that utilize hydraulics including roped, twin post, and hole-less hydraulic elevators. While these elevators are generally cheaper to install than traction systems, they are also slower and cannot be utilized in buildings over 10 stories.
In the world of elevator installation and repair, mechanics assemble, install, replace, modernize, and service elevator systems. Because of the components of most elevator designs and the always electronically controlled floor button panels, elevator repair specialists must have thorough knowledge of mechanical and electrical engineering as well as general electronics and computerization. Elevators are repaired by various skilled workers depending on the required service. With installation complete, adjusters (known to be the most highly skilled elevator repair specialists) fine tune systems to assure all regulations are met and all safety standards are in place.
Once a system is up and running, elevator repair workers service a system as needed while also performing preventative maintenance. Elevator repair generally calls for the greasing of mechanical parts, replacing worn parts, adjusting gears and controls, and measuring and testing efficiency, wiring, or hydraulic pressure. Much of elevator repair work involves troubleshooting, determining and narrowing down a problem, and then problem solving the best method for correcting it. As technology and digitization progresses, elevator repair follows, requiring elevator repair specialists to become increasingly knowledgeable and electronically savvy.
Elevators make a lot of things possible, and most people take a safe, efficient, and successful elevator ride for granted. Without the behind the scenes science of elevator repair, everyone would be stuck between floors in small spaces with strangers. It is thanks to elevator repair that safe, efficient, and easy elevator travel is possible. Elevator repair affects almost every person's life whether they know it or not, so be sure to thank the next elevator repair specialist that happens to come by.
Sources:
Elevator Installers and Repairers. BLS.gov. 4 Aug. 2006. US Bureau of Labor Statistics. 13 July 2007. http://www.bls.gov/oco/ocos189.htm.
Service and Maintenance. Stanley Elevator.com. 2002. Stanley Elevator Inc. 13 July 2007. http://www.stanleyelevator.com/Elevator-Modernizat ion-contracts.htm.
“Elevator.” Wikipedia.13 July 2007. 13 July 2007. http://en.wikipedia.org/wiki/Elevators.
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