Traction elevators are the most common type of elevator. Provide a selfclosing, selflatching, fire rated machine room, control room or control space door, a minimum of 914 mm wide x 2030 mm high with a minimum of 2286 mm clear height below all equipment. Geared service elevators, as shown and detailed on the drawings and. Pdf the design of a oneman passenger electric elevator. Traction geared this application utilizes a hoist machine, ropes and counterweights. Igd05 traction machine operation and service manual. Provide at least one passenger elevator for each new and renewed texas state university building of more than a single story, except as otherwise approved by the director of facilities planning, design and construction. Elevator traction machines motion control engineering. Geared traction freight elevator delta offers a complete line of csa b44 elevator code compliant traction freight elevators for buildings up to 85 m of travel and 31 floors. Elevator feeders, dedicated ground wire and lockable, fused disconnects wired. Mcfrs driver certification program page 2 of 11 aerial module 12. Consult your local thyssenkrupp elevator representative for details. For a load of 1,150kg for geared traction elevators. Section 14210 electric traction elevators uc davis health.
Both geared and gearless traction elevators are driven by alternating current ac or direct current dc electrical motors. Gpower modernization provides a more comfortable passenger experience by improving the ride quality of your geared traction elevator system. Regardless of the type it will have a governor, controller and machine disconnect switch. They can be geared or gearless and both model types are driven by alternating current ac or direct current dc electrical motors.
This is achieved by rolling steel hoist cables over a drive sheave gearbox that is attached to a highspeed motor. These machines are generally the beat option for overhead traction use for speeds up to. Traction elevator systems are most commonly installed in highrise construction for residential and commercial buildings. Experienced elevator professionals are well aware of the best practices that the elevator industry has developed in order to minimize and mitigate the risks to technicians. Geared traction elevators geared traction machines are driven by ac alternating current or dc direct current electric motors that use worm gears to control movement of the car. Elevator s complete line of spf geared traction elevators are known for their smooth, quick acceleration, high energy efficiency and competitive pricing. This is a drawing of a 4,000 pound capacity double opening geared traction elevator with single slide or center parting doors.
The obvious advantages of the traction drive principle demonstrated by the gearless traction elevator led to its application to the geared elevator machine as a substitute for the winding drum. With multiindustry and selfsupporting import and export rights. A roping system is used to attach the motor gear reducer, the elevator car and the. If elevators are used without proper maintenance, they may not be able to deliver the performance that we expect. Fred hymans and the theory of rope traction, part one. Midrise to highrise traction elevators 30 momentum passenger standard and performance 32 momentum service standard 33 interior design 34 cab designs laminate, steel and applied panel 36 finishes color selections 39 cab accessory options ceilings, handrails and sills 40 fixtures standard and upgraded 41. As the name implies, the electric motor in this design drives. Imperial electric boasts the most comprehensive gearless machine line in the elevator industry. This manual describes the maintenance of brake equipment of geared traction machines whose type written in the nameplate begins with em or eh. While their speed is slower than gearless elevators, geared elevators offer advantages in terms of energy efficiency as they use less power to turn the pulley. Low maintenance costs saves tens of thousands spent over an elevator s 25year. Thyssenkrupp elevator s gearless systems for highrise buildings are famous for their versatility, power and, above all, speed. In a geared machine, the motor turns a gear train that rotates the sheave.
Traction thyssen krupp elevator pdf catalogs documentation. Geared traction machine ideal for low to midrise traction elevator applications for new construction and modernization projects benefits easy disassembly and reassembly eliminates machine room access limitations simple motor coupling and brake adjustments compact footprint. The geared traction machines are driven by ac electric motors. Geared traction elevators have fair installation and maintenance costs, and low energy consumption. Fire protection and life safety requirements for elevator. A wide range of capacities for both passenger and freight applications because of the motor design, the gearless application develops higher torque and runs at lower rpms giving the gearless machine.
The category 1 tests are overdue, and were required 8 months ago by 3117. Suspension traction media stm suspension traction media use a traction pulley that is only 5. The complete elevator modernization solution kone revolution. The personnel must be trained for the job and must be familiar with the. Imperial electric elevator page 3940 geared traction machine page tm series. Learn about schindlers 3300 mrl elevator for low to midrise buildings. Passenger elevators and automatic operation freight elevators shall be provided with an emergency alarm system, operable from within the car, which will provide effective means for summoning assistance at all hours in case of emergency. Geared traction elevators use worm gears to control the mechanical movement of the elevator cars by rolling steel hoist cables over a drive shaft which is attached to a gearbox drive by a high speed motor.
Sensors and switches in commercial traction elevators. An additional energysaving feature is the regenerative drive system. Safety precautions only qualified personnel are allowed to perform any planning, installation or maintenance work to geared elevator traction machines. Delta traction freight elevators are available in various sizes and speeds in order to satisfy specific building requirements. Geared modernization gpower modernization tk elevator usa. Module 10 final exam elevator preventive maintenance. The streamlined design of the tm series allows significant weight reduction without sacrificing durability or frame rigidity. A roping system is used to attach the motorgear reducer, the elevator car and the. Traction for field personnel, part one elevator books. Hyundai elevators are available from geared traction elevator to gearless traction elevators, covering the full range of vertical transportation requirements. Description voltage hp rpm frame 630b383h01 motor 125dc 12 625 f56 151b417h01 motor 125dc 115 1950 217b233h01 motor 125dc f42y 217b233h03 motor 230dc 1725 f42y 2633c74h27 blower 375 mach 230460 5208d74h88 motor 24dc 116 1220 3. Overhead geared elevator traction machine manual no. All work shall be performed in a professional manner and is to include.
Geared or gearless, all of our traction systems utilize the. We are a wellknown and reliable company that is incorporated in the year 2012 at ahmedabad gujarat, india. Geared traction elevators elevator cars are pulled up by means of rolling steel ropes over a deeply grooved pulley. The elevator drive machine is the power unit that applies the energy necessary to raise and lower any elevator, material lift, dumbwaiter car, or other equipment. This specification is intended to cover the complete furnishing and installing of one traction passenger elevator as manufactured by minnesota elevator, incorporated or approved equal. Apr 18, 2019 moreover, these elevators are capable of traveling to a maximum distance of 250 ft. The traction elevator can either use a geared or gearless traction machine. Traction elevators have an elevator car and counterweight attached to opposite ends of hoist. Worm gear operating challenges geared traction machines rely on a highspeed electric motor to drive a worm gear, which then turns the hoisting sheave to move the elevator car.
Existing geared traction machine can be replaced with higen gearless traction machine. Employ only elevator contractors who have been satisfactorily supplying and installing. Traditional geared traction elevator systems consist of cables connected to the top of the cab operated by an electric motor located in a penthouse above the elevator shaft, as shown in figure 3. The tm series geared traction machine from imperial electric is a compact, easily installed and serviced, superior quality solution for medium speed, high capacity elevators. Geared electric traction transit elevator escalator consortium reducer attached to the motor driving the sheave that pulls the ropes capable of traveling 500 feet per minute used for midrise buildings up to 10 floors generally less expensive than gearless or mrl. Schumacher geared traction elevators are built tough and dependable to stand up against heavy everyday use for years. Maintenance manual for brake of geared traction machine. Gearless traction elevators are low speed, high torque electric where the drive shaft is directly attached to the end of the motor. We specialize in geared traction elevators with nonstandard sizes, capacities, finishes, and nema ratings. The ropes wrap over the machine drive sheave in grooves and connect the carriage with the counterweight. Elevator s to be delta passenger elevator s or approved equal. Traction elevator delivers smooth, quick acceleration, energy efficiency and. Geared lift motors, geared elevator traction machines, mr.
Geared traction machines are used for mediumspeed applications and. Costeffective, capable hydraulics get the job done, whether you are moving a few or even thousands of people each day. Schumacher geared traction elevators are designed for low to midrise buildings having up. Zahurul haq buet vertical transportation me 415 2011 6 32 elevator hardware electric traction passenger lift geared traction machines e929 a geared traction machine has. Although the elevator or lift dates back to the era of archimedes, the first known elevator of the modern world was designed by elisha otis and established in 1853 at cooper union foundation building in new york. A gearless traction machine is superior to geared machines because it is more e.
Geared traction elevator schumacher elevator company. Geared machines use worm gears to mechanically control movement of elevator cars by rolling steel hoist ropes over a drive sheave which is attached to gear box driven by a high speed motor. Geared traction elevators hospital elevators schumacher elevator. Steel cables on midrise elevators need a traction sheave diameter of 20 to 36.
Geared traction machines are driven by ac or dc electric motors. Geared traction wi th ac drive motor, 480 v, 3 phase. Select one of the following 910 kg 14 kg 65 kg 1587 kg 1815 kg 2050 kg 2275 kg other kg contact delta for this option 2. Traction elevators by manufacturer and ansiasme 17. Traction elevators by manufacturer and ansiasme a 17. There is also a pair of counterweight rails located on. Traction elevators are the most common type of elevator and can be geared or gearless. When geared traction elevators are required the machineroomless type is not acceptable. Specification for traction passenger elevators part 1 general. The main guide rails are mounted in the hoistway at each side of the car. Front and rear openings of any configuration can be used.
We lui elevators have gained success in the market by manufacturing a remarkable gamut of elevator accessories, elevator cabin and elevator traction machine. The complete conventional motor, including drive gears must be large enough to match and therefore requires considerable space. Geared traction elevators elevator companies in chennai. Technical questions or comments about this technical bulletin. Furnish and install hoist cable guards consistent with ansiasme a 17.
Av cam corporation limited brings to the indian clients worldclass technology of gearless elevator machine applications under the av cam brand of gearless machines for elevator. The av cam brand of geared machine for elevator brings many advantages over the conventional gearless machine. Work under this section shall include all materials and installation for traction elevators including gearless pedestrian elevators, gearless patient elevators, and geared service elevators, as shown and detailed on the drawings and specified herein, including. A traction elevator transmits the lifting force to the hoist ropes by friction between the grooves in the machine drive sheave and hoist ropes. Geared traction freight elevator 14 20 00 page 4 2.
This is a drawing of a 2,500 pound capacity single opening geared traction elevator with single slide or center parting doors. This is made possible by installing a new controller, new geared motor and refurbishing the existing machine, as well as an upgrade your elevator doors with a new linear door operator. Geared traction machine hollisterwhitney elevator co. Unintended loss of traction, resulting from component deterioration, for example, is very hazardous and can allow an elevator to move uncontrolled. Igd05 geared traction machine manual version number. There is also a pair of counterweight rails located on either one side or the rear of the hoistway. In geared elevators, a worm gear is used to control the mechanical movement of the car. It offers a spacesaving application, distinct design options, integrated green technology and smooth, quiet performance. Speed comparison the speed of the elevator shall be within the following ranges and chosen to suit the specific building requirements as part of the elevator traffic analysis. Elevator co ltd electric geared traction elevator s.
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