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Lifts

Passenger lifts, goods lifts, platform lifts for persons and materials, disabled lifts

Risk assessment

Lift out of order

ADIASYSTEM®

Goods lifts

Platform lifts for persons and materials

Lifts for use by person with impaired mobility

Paternoster lift

Type

Application

Only suitable for the transport of passengers, unsuitable for goods transport
Max. operating speed 0.3 m/s

Drive concept
Chain sprocket with link chains

Motor room
Above lift well

Advantages

Travel height freely selectable
High transport capacity
Requires little space compared to its transport capacity
Relatively low energy demand

Key components

Drive unit
comprising motor, worm gear in most cases with back gear chain sprocket , failsafe brake

Motors
Three-phase motors

Gearbox
Worm gear

Brake system
Drum brakes

Control system
Simple relay control

Safety devices

Device for locking landing doors
Safety devices preventing landing doors from being opened if the lift car is not at that landing (no landing doors available)

Safety gear

A safety device with guided suspension chains guarding lift cars against free falls
No safety gear available

Overspeed governor
No overspeed governor required.

Ascending car overspeed protection.
Auf Grund der Antriebsart nicht erforderlich.

Buffers
Devices limiting the travel of lift car and counterweight
Not required for this lift type

Special feature
Operation of existing installations may be continued for an indefinite period of time.

Regulations and standards

2006/42/EC :
DIRECTIVE 2006/42/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)..

German Ordinance on Industrial Safety and Health (BetrSichV):
Ordinance concerning the protection of safety and health in the provision of work equipment and its use at work, concerning safety when operating installations subject to monitoring and concerning the organization of industrial safety and health at work (Betriebssicherheitsverordnung - Ordinance on Industrial Safety and Health – BetrSichV)

TRA 500:
Technical Rules for Lifts (Paternosters), out of order

Mill lift

Type

Application

Goods lift for exclusive use in grain mills
Load bearing capacity of up to 200 kg or max. two persons
Operating speed of up to 0.85 m/s

Drive concept
Only traction-sheave drive permitted

Machine room
Directly above or adjacent to the lift well

Advantages

Lifting height freely selectable
Simplified design adjusted to the requirements of milling operations
Little space required

Key components

Drive unit
comprising motor, gearbox, traction sheave and failsafe brake

Motors
Three-phase motors

Gearbox
Cylindrical, worm or planetary gear

Brake system
Drum brakes

Control system
mostly relay controls

Safety devices

Device for locking landing doors
Safety devices preventing landing doors from being opened if the lift car is not at that landing

Tower bolts
Hook bolts
Flap locks

Safety gear
Safety device to guard against free fall of the lift car; actuated by an overspeed governor

Instantaneous safety gear
Progressive safety gear

Overspeed governor
Tripping mechanism for safety gear (actuated by centrifugal force)

Ascending car overspeed protection
Not a requirement defined by the Technical Rules (TRA)

Buffers
Devices limiting the travel of lift car and counterweight

Energy-accumulating shock absorbers
Energy-dissipating shock absorbers

Special features
Lift well made of wire mesh or wooden slats
Operation of the mill brake lift, a special sub-type of this lift type, may only be continued until December 31, 2004

Regulations and standards

2006/42/EC:
DIRECTIVE 2006/42/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast).

German Ordinance on Industrial Safety and Health (BetrSichV):
Ordinance concerning the protection of safety and health in the provision of work equipment and its use at work, concerning safety when operating installations subject to monitoring and concerning the organization of industrial safety and health at work (Betriebssicherheitsverordnung - Ordinance on Industrial Safety and Health – BetrSichV)

9. GPSGV (2006/42/EC) (updated: 2011-03-02)
TRA 600 Technical Rules for Lifts (Mill Lifts), out of order

Builders hoists' for persons and materials

Type

Application

Temporary use on construction sites
Transport of persons and materials

Drive concept

mostly rack and pinion drive
rarely: Drum drive and
hydraulic drive

Machine room
Drive unit installed on the lift car

Advantages

Lifting height freely selectable
Operating speed freely selectable
Fast installation and dismantling (modular system)
Requires no separate lift well
Installation possible at any time and place
Easy to transport

Key components

Drive unit
comprising motor, gearbox, gear wheel and failsafe brake

Motors
Three-phase motors, also with frequency control

Gearbox
Worm gear, planetary gear

Brake system
Drum brakes, disk brakes

Control system
mostly microprocessor controls (also including frequency controls for drive motor)

Safety devices

Device for locking landing doors
Safety devices preventing landing doors from being opened if the lift car is not at that landing

Tower bolts
Hook boltsl
Flap locks

Safety gear
Safety device guarding against free fall of the lift car; actuated by an overspeed governor

Braking device (separate from machine) with integrated overspeed governor
Instantaneous safety gear
Progressive safety gear

Overspeed governor
Tripping mechanism for safety gear (actuated by centrifugal force)

Overspeed governor integrated into braking device

Ascending car overspeed protection
Not required for this type of drive

Buffers
Devices limiting the travel of lift car and counterweight

Energy-accumulating shock absorbers
Rarely: energy-dissipating shock absorbers

Special features
Only used on construction sites, changing locations of use

Regulations and standards

2006/42/EC :
DIRECTIVE 2006/42/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast).

German Ordinance on Industrial Safety and Health (BetrSichV):
Ordinance concerning the protection of safety and health in the provision of work equipment and its use at work, concerning safety when operating installations subject to monitoring and concerning the organization of industrial safety and health at work (Betriebssicherheitsverordnung - Ordinance on Industrial Safety and Health – BetrSichV)

DIN EN 12159(updated: 2011-03-02 )
TRA 1100 Technical Rules for Lifts (builders' hoists for persons and materials), out of order

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