5. December 2010 05:00
Use an elevator installation consultant: An elevator installation consultant will help advise you through the process of getting your elevator installed and can help to flag up any potential problems before they come into fruition and can help to advise the best elevator engineering and the best lifts consultants etc to use. By ensuring quality and good planning up front with an elevator installation consultant you can again prevent future problems and make the job of elevator preventive maintenance much easier.
Don’t exceed the weight limits: Whether you are riding in someone else’s elevator, or it is your own, for the safety of yourself and of others it is highly important to avoid exceeding the weight limits advised in an elevator. These are here for a purpose – precisely because that is the upper limit in terms of the amount of mechanical strain that the elevator can take without being a health risk. If you ignore these guidelines then you will risk damaging the elevator, and possibly causing an accident.
12. August 2010 14:56
Elevator installation consultant will inform you that installers put in electrical wires and controls by running tubing, called conduit, along a shaft’s walls from floor to floor. Once the conduit is in place, mechanics pull plastic-covered electrical wires through it. They then install electrical components and related devices required at each floor and at the main control panel in the machine room.
Installers bolt or weld together the steel frame of an elevator car at the bottom of the shaft; install the car’s platform, walls, and doors; and attach guide shoes and rollers to minimize the lateral motion of the car as it travels through the shaft. They also install the outer doors and doorframes at the elevator entrances on each floor.
For cabled elevators, these workers install geared or gearless machines with a traction drive wheel that guides and moves heavy steel cables connected to the elevator car and counterweight. Elevator installers also install elevators in which a car sits on a hydraulic plunger that is driven by a pump. The plunger pushes the elevator car up from underneath, similar to a lift in an auto service station. Installers and repairers also install escalators. They put in place the steel framework, the electrically powered stairs, and the tracks, and install associated motors and electrical wiring. In addition to elevators and escalators, installers and repairers also may install devices such as dumbwaiters and material lifts—which are similar to elevators in design—as well as moving walkways, stair lifts, and wheelchair lifts.
5. August 2010 04:54
Elevator installers and repairers—also called elevator constructors or elevator mechanics—assemble, install, and replace elevators, escalators, dumbwaiters, moving walkways, and similar equipment in new and old buildings. Once the equipment is in service, they maintain and repair it as well. They also are responsible for modernizing older equipment.
To install, repair, and maintain modern elevators, which are almost all electronically controlled, elevator installers and repairers must have a thorough knowledge of electronics, electricity, and hydraulics. Many elevators are controlled with microprocessors, which are programmed to analyze traffic conditions in order to dispatch elevators in the most efficient manner. With these computer controls, it is possible to get the greatest amount of service with the least number of cars.
When installing a new elevator, installers and repairers begin by studying blueprints to determine the equipment needed to install rails, machinery, car enclosures, motors, pumps, cylinders, and plunger foundations. Once this has been done, they begin equipment installation. Working on scaffolding or platforms, installers bolt or weld steel rails to the walls of the shaft to guide the elevator. Elevator installation consultants specify and help you making decision on the type of installation you require. They provide the guidelines to be followed while installing the elevator at your required place.
26. July 2010 10:44
A common problem with elevator installations is the overheating of the drive and control system. In electrical traction elevators, the equipment is typically located in a penthouse above the building’s roof. The penthouse is seldom heated or cooled. With this type of installation, the temperature in the mechanical room is allowed to float with changes in the outside air temperature. As the temperature increases, so does the chance of breakdowns caused by overheating.
Attempting to cool the elevator equipment with outdoor air also introduces other causes of frequent breakdowns: dirt and humidity. The best solution to this problem is to install a dedicated cooling system for the elevator equipment room. The system should be designed to keep the temperature and humidity within the recommendations of the elevator manufacturer. All openings to the outside should be sealed to help limit the dust and dirt that can enter the equipment room.
One of the most common symptoms of a system in need of overhaul or modernization is increasing service call frequencies. As components wear and age, they more readily go out of adjustment, either shutting down the system or interfering with its operation. It is important to track the frequency and costs of all problems while indulging in escalator consulting services.