This code prescribes the safety criterion of manufacture and installation of passenger lift, sickbed lift and freight lift, so as to prevent passengers and goods from damage during running the lifts.
This code is applicable to power-actuated traction-type or positive passenger lifts, sickbed lifts and freight lifts.
This code is not applicable to dumbwaiter lifts and hydraulic lifts.
2. Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. All the Standards stated below are effective at the publication of this Standard. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
Contents Foreword 0. Foreword 0.1 General 0.2 principles 0.3 Assumption 1. Scope 2. Normative References 3. Definitions 3.1 Traction drive lift 3.2 Positive drive lift 3.3 Non-commercial vehicle lift 3.4 Pulley room 3.5 Available car area 3.6 Re-leveling 3.7 Minimum breaking load of a rope 3.8 Safety rope 3.9 User 3.10 Passenger 3.11 Authorized and instructed user 3.12 Lift machine 3.13 Balancing weight 3.14 Electric safety circuit 3.15 Overhaul trapdoor 3.16 Shaft emergency door 3.17 Laminated glass 4. Unit and symbol 4.1 Unit 4.2 Symbol 5. Lift shaft 5.1 General rules 5.2 enclosing of shaft 5.3 shaft wall, undersurface and roof 5.4 The structure of landing door and lift well wall facing to car entrance 5.5 The space defense in car and counterweight (or balancing weight) bottom 5.6 Defense in well hole 5.7 Clear Space Level and Foundation Pit 5.8 Exclusive for lift shaft 5.9 Illumination in shaft 5.10 Emergent rescuing 6. Machine Room and Pulley Compartment 6.1 General Principles 6.2 Passage 6.3 Structure and Machine of Machine Room 6.4 Structure and Machinery of Pulley Compartment 7. Landing Door 7.1 General Principles 7.2 Intensity of Door and Its Frame 7.3 Height and Width of Landing Door Entrance 7.4 Threshold, Guiding Mechanism and Door Suspension System 7.5 Protections Related to Landing Door Movement 7.6 Partial Illumination and "Look Out! Car!" Signal Lamps 7.7 Inspection on Landing Door Locking and Closed 7.8 Shutdown of Power-actuated Automatic Door 8 Car and Balancing Weight 8.1 Car height 8.2 Available car area, rated load capacity, passenger number 8.3 Wall, floor and ceiling of car 8.4 Skirting 8.5 Car entrance 8.6 Car door 8.7 Protection during movement of car door 8.8 Re-open during door closing 8.9 Examination of electric devices for closure of car door 8.10 Sliding door with mechanically connected multi-leaves 8.11 Opening of car door 8.12 Rescuing window and door 8.13 Car ceiling 8.14 Upper frame cover of car 8.15 Devices on car ceiling 8.16 Ventilation 8.17 Illumination 8.18 Counterweight and balancing weight 9. Suspension System, Compensation System and Overspeed Protective Devices 9.1 Suspension System 9.2 Rope Diameter Ratio among Traction Sheave, Pulley and Winch Drum, Terminating Sets of Steel Wire Ropes or Chains 9.3 Traction of Steel Wire Ropes 9.4 Winding of Steel Wire Ropes of Forced-drive Life 9.5 Load Distribution between Steel Wire Ropes and Chains 9.6 Compensation Rope 9.7 Protection of Traction Sheave, Pulley and Chain Wheel 9.8 Safety Tongs 9.9 Speed Limiter 9.10 Car Lifting Overspeed Protective Device 10 Track, Buffer and Limitation Switch 10.1 General principles of track 10.2 The guiding of car, counterweight (or balancing weight) 10.3 Car and counterweight buffer 10.4 Car and counterweight buffer journey 10.5 Limited switch 11 Spacing between Car and Shaft Wall Facing Car Entrance, Car and Counterpoise (or Balancing Weight) 11.1 General Provision 11.2 Spacing between Car band Shaft Wall facing the Car Entrance 11.3 Spacing between Car and Counterweight (or Balancing Weight) 12 Lift Machine 12.1 General principles 12.2 The drive of car and counterweight (or balancing weight) 12.3 Use of cantilever type pulley or chain wheel 12.4 Brake system 12.5 Emergency operation 12.6 Speed 12.7 Stop lift machine and inspect its halted state 12.8 The monitor for lift machine normal slowdown when the minus journey buffer is adopted. 12.9 Safety device for rope or chain relaxation 12.10 Limitator of motor running time 12.11 Mechanical parts maintenance 13 Electrical Installation and Electrical Equipments 13.1 General Provisions 13.2 Contactor, Relay-contactor and Safety Circuit Components 13.3 Protection of Electric Motor and Other Electrical Equipments 13.4 Main Switch 13.5 Electric Wiring 13.6 Illumination and Socket 14 Defend, Control and Priority of Electrical Failure 14.1 The Failure Analysis of Electric Safety Devices 14.2 Control 15 Importance, Marks and Operation Instruction 15.1 General Provisions 15.2 Inside the car 15.3 On ceiling of car 15.4 Machine room and pulley room 15.5 Shaft 15.6 Speed Limitation 15.7 Pit 15.8 Buffer 15.9 Identification of landing layer 15.10 Electric Identification 15.11 Unlocking key to landing door 15.12 Alarm device 15.13 Door Locking Device 15.14 Safety Tongs 15.15 Group control lift 15.16 Overspeed protective device when lift car goes up. 16 Examination, Record and Maintenance 16.1 Examination 16.2 Record 16.3 Installation Information
1. Scope
This code prescribes the safety criterion of manufacture and installation of passenger lift, sickbed lift and freight lift, so as to prevent passengers and goods from damage during running the lifts.
This code is applicable to power-actuated traction-type or positive passenger lifts, sickbed lifts and freight lifts.
This code is not applicable to dumbwaiter lifts and hydraulic lifts.
2. Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. All the Standards stated below are effective at the publication of this Standard. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
Contents of GB 7588-2003
Contents
Foreword
0. Foreword
0.1 General
0.2 principles
0.3 Assumption
1. Scope
2. Normative References
3. Definitions
3.1 Traction drive lift
3.2 Positive drive lift
3.3 Non-commercial vehicle lift
3.4 Pulley room
3.5 Available car area
3.6 Re-leveling
3.7 Minimum breaking load of a rope
3.8 Safety rope
3.9 User
3.10 Passenger
3.11 Authorized and instructed user
3.12 Lift machine
3.13 Balancing weight
3.14 Electric safety circuit
3.15 Overhaul trapdoor
3.16 Shaft emergency door
3.17 Laminated glass
4. Unit and symbol
4.1 Unit
4.2 Symbol
5. Lift shaft
5.1 General rules
5.2 enclosing of shaft
5.3 shaft wall, undersurface and roof
5.4 The structure of landing door and lift well wall facing to car entrance
5.5 The space defense in car and counterweight (or balancing weight) bottom
5.6 Defense in well hole
5.7 Clear Space Level and Foundation Pit
5.8 Exclusive for lift shaft
5.9 Illumination in shaft
5.10 Emergent rescuing
6. Machine Room and Pulley Compartment
6.1 General Principles
6.2 Passage
6.3 Structure and Machine of Machine Room
6.4 Structure and Machinery of Pulley Compartment
7. Landing Door
7.1 General Principles
7.2 Intensity of Door and Its Frame
7.3 Height and Width of Landing Door Entrance
7.4 Threshold, Guiding Mechanism and Door Suspension System
7.5 Protections Related to Landing Door Movement
7.6 Partial Illumination and "Look Out! Car!" Signal Lamps
7.7 Inspection on Landing Door Locking and Closed
7.8 Shutdown of Power-actuated Automatic Door
8 Car and Balancing Weight
8.1 Car height
8.2 Available car area, rated load capacity, passenger number
8.3 Wall, floor and ceiling of car
8.4 Skirting
8.5 Car entrance
8.6 Car door
8.7 Protection during movement of car door
8.8 Re-open during door closing
8.9 Examination of electric devices for closure of car door
8.10 Sliding door with mechanically connected multi-leaves
8.11 Opening of car door
8.12 Rescuing window and door
8.13 Car ceiling
8.14 Upper frame cover of car
8.15 Devices on car ceiling
8.16 Ventilation
8.17 Illumination
8.18 Counterweight and balancing weight
9. Suspension System, Compensation System and Overspeed Protective Devices
9.1 Suspension System
9.2 Rope Diameter Ratio among Traction Sheave, Pulley and Winch Drum, Terminating Sets of Steel Wire Ropes or Chains
9.3 Traction of Steel Wire Ropes
9.4 Winding of Steel Wire Ropes of Forced-drive Life
9.5 Load Distribution between Steel Wire Ropes and Chains
9.6 Compensation Rope
9.7 Protection of Traction Sheave, Pulley and Chain Wheel
9.8 Safety Tongs
9.9 Speed Limiter
9.10 Car Lifting Overspeed Protective Device
10 Track, Buffer and Limitation Switch
10.1 General principles of track
10.2 The guiding of car, counterweight (or balancing weight)
10.3 Car and counterweight buffer
10.4 Car and counterweight buffer journey
10.5 Limited switch
11 Spacing between Car and Shaft Wall Facing Car Entrance, Car and Counterpoise (or Balancing Weight)
11.1 General Provision
11.2 Spacing between Car band Shaft Wall facing the Car Entrance
11.3 Spacing between Car and Counterweight (or Balancing Weight)
12 Lift Machine
12.1 General principles
12.2 The drive of car and counterweight (or balancing weight)
12.3 Use of cantilever type pulley or chain wheel
12.4 Brake system
12.5 Emergency operation
12.6 Speed
12.7 Stop lift machine and inspect its halted state
12.8 The monitor for lift machine normal slowdown when the minus journey buffer is adopted.
12.9 Safety device for rope or chain relaxation
12.10 Limitator of motor running time
12.11 Mechanical parts maintenance
13 Electrical Installation and Electrical Equipments
13.1 General Provisions
13.2 Contactor, Relay-contactor and Safety Circuit Components
13.3 Protection of Electric Motor and Other Electrical Equipments
13.4 Main Switch
13.5 Electric Wiring
13.6 Illumination and Socket
14 Defend, Control and Priority of Electrical Failure
14.1 The Failure Analysis of Electric Safety Devices
14.2 Control
15 Importance, Marks and Operation Instruction
15.1 General Provisions
15.2 Inside the car
15.3 On ceiling of car
15.4 Machine room and pulley room
15.5 Shaft
15.6 Speed Limitation
15.7 Pit
15.8 Buffer
15.9 Identification of landing layer
15.10 Electric Identification
15.11 Unlocking key to landing door
15.12 Alarm device
15.13 Door Locking Device
15.14 Safety Tongs
15.15 Group control lift
15.16 Overspeed protective device when lift car goes up.
16 Examination, Record and Maintenance
16.1 Examination
16.2 Record
16.3 Installation Information
