1、AN AMERICAN NATIONAL STANDARDASME A17.2-2017(Revision of ASME A17.2-2014)Guide for Inspection of Elevators, Escalators, and Moving WalksIncludes Inspection Procedures for Electric Traction and Winding Drum Elevators, Hydraulic Elevators, Inclined Elevators, Limited-Use/Limited-Application Elevators,
2、 Private Residence Elevators, and Escalators and Moving WalksASME A17.2-2017(Revision of ASME A17.2-2014)Guide for Inspection ofElevators, Escalators,and Moving WalksIncludes Inspection Proceduresfor Electric Traction and WindingDrum Elevators, HydraulicElevators, Inclined Elevators,Limited-Use/Limi
3、ted-ApplicationElevators, Private ResidenceElevators, and Escalators andMoving WalksAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York, NY 10016 USADate of Issuance: January 26, 2018The next edition of this Guide is scheduled for publication in 2020.ASME issues written replies to inquiries concer
4、ning interpretations of technical aspects of this Guide.Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org/ as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorr
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7、ng the criteria for American National Standards. TheStandards Committee that approved the Guide was balanced to assure that individuals from competent and concernedinterests have had an opportunity to participate. The proposed Guide was made available for public review and commentthat provides an op
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12、 of the publisher.The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2017 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword xCommittee Roster . xiiiPreface xixSummary of Changes xxivIntroduction 11 Scope . 12
13、 Application . 13 Qualifications of Inspectors 24 Personal Safety 25 Duties of Inspectors . 26 Arrangement for Inspection 27 Recommended Equipment . 28 Reference Documents 3Part 1 Elevator Inside of Car . 51.1 Door Reopening Device . 51.2 Stop Switches . 51.3 Operating Control Devices . 61.4 Sills a
14、nd Car Floor 71.5 Car Lighting and Receptacles 71.6 Car Emergency Signal and Communication Device(s) . 81.7 Car Door or Gate 101.8 Door Closing Force 101.9 Power Closing of Doors or Gates 111.10 Power Opening of Doors or Gates . 111.11 Car Vision Panels and Glass Car Doors 131.12 Car Enclosure . 141
15、.13 Emergency Exit 151.14 Ventilation 161.15 Signs and Operating Device Symbols 161.16 Rated Load, Platform Area, and Data Plate . 161.17 Standby Power Operation . 171.18 Restricted Opening of Car or Hoistway Doors 181.19 Car Ride 191.20 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greate
16、r) 19Part 2 Elevator Machine Room . 202.1 Access to Machinery Space 202.2 Headroom 202.3 Lighting and Receptacles 212.4 Machinery Space 212.5 Housekeeping . 222.6 Ventilation 232.7 Fire Extinguisher 232.8 Pipes, Wiring, and Ducts 232.9 Guarding of Exposed Auxiliary Equipment . 242.10 Numbering of El
17、evators, Machines, Controllers, and DisconnectSwitches 242.11 Disconnecting Means and Control 252.12 Controller Wiring, Fuses, Grounding, etc. . 26iii2.13 Governor, Overspeed Switch, and Seal . 272.14 Code Data Plate . 332.15 Static Control . 332.16 Overhead Beam and Fastenings 332.17 Drive Machine
18、Brake 342.18 Traction-Drive Machines . 352.19 Gears, Bearings, and Flexible Couplings 352.20 Winding Drum Machine and Slack Rope Device, Stop-Motion Switch, andRope Fastening . 362.21 Belt- or Chain-Drive Machine 372.22 Motor Generator 382.23 Absorption of Regenerated Power 382.24 AC Drives From a D
19、C Source 382.25 Traction Sheaves . 392.26 Secondary and Deflector Sheaves 402.27 Rope Fastenings . 402.28 Terminal Stopping Devices . 402.29 Car and Counterweight Safeties 412.30 Hydraulic Power Unit . 472.31 Relief Valves 472.32 Control Valve . 482.33 Tanks . 492.34 Flexible Hydraulic Hose and Fitt
20、ing Assemblies 502.35 Supply Line and Shutoff Valve . 502.36 Hydraulic Cylinders . 512.37 Pressure Switch . 512.38 Roped Water Hydraulic Elevators 522.39 Low Oil Protection 522.40 Maintenance Records 522.41 Hydraulic Control . 532.42 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 5
21、32.43 Emergency Brake, Ascending Car Overspeed, and Unintended CarMovement Protection 542.44 Auxiliary Power Lowering Operation 552.45 Inspection Operation With Open Door Circuits and Inspection OperationHierarchy . 56Part 3 Elevator Top of Car 573.1 Top-of-Car Stop Switch 573.2 Car Top Light and Ou
22、tlet 573.3 Top-of-Car Operating Device 583.4 Top-of-Car Clearance, Refuge Space, and Standard Railing 583.5 Normal Terminal Stopping Devices 603.6 Final and Emergency Terminal Stopping Devices . 613.7 Car Leveling and Anticreep Devices . 623.8 Top Emergency Exit . 633.9 Floor and Emergency Identific
23、ation Numbering 633.10 Hoistway Construction 643.11 Hoistway Smoke Control 643.12 Pipes, Wiring, and Ducts 653.13 Windows, Projections, Recesses, and Setbacks 653.14 Hoistway Clearances 663.15 Multiple Hoistways 663.16 Traveling Cables and Junction Boxes . 673.17 Door and Gate Equipment . 683.18 Car
24、 Frame and Stiles 703.19 Guide Rails, Fastenings, and Equipment . 70iv3.20 Governor Rope 713.21 Governor Releasing Carrier 723.22 Wire Rope Fastening and Hitch Plate 723.23 Suspension Compensation and Governor Systems 743.24 Top Counterweight Clearance 783.25 Car, Overhead, and Deflector Sheaves 793
25、.26 Broken Rope, Chain, or Tape Switch . 793.27 Crosshead Data Plate and Rope Data Tags . 803.28 Counterweight and Counterweight Buffer 803.29 Counterweight Safeties 803.30 Speed Test 813.31 Slack Rope Device Roped Hydraulic Elevators Installed UnderA17.1b-1989 and Later Editions 823.32 Traveling Sh
26、eave Roped Hydraulic Elevators Installed UnderA17.1b-1989 and Later Editions 823.33 Compensating Ropes and Chains 833.34 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 83Part 4 Elevator Outside Hoistway. 854.1 Car Platform Guard . 854.2 Hoistway Doors . 854.3 Vision Panels 864.4 Ho
27、istway Door-Locking Devices . 874.5 Access to Hoistway 874.6 Power Closing of Hoistway Doors . 884.7 Sequence Operation . 884.8 Hoistway Enclosure . 884.9 Elevator Parking Devices 894.10 Emergency Doors in Blind Hoistways 894.11 Separate Counterweight Hoistway . 904.12 Standby Power Selection Switch
28、 . 90Part 5 Elevator Pit. 915.1 Pit Access, Lighting, Stop Switch, and Condition . 915.2 Bottom Clearance, Runby, and Minimum Refuge Space . 925.3 Final and Emergency Terminal Stopping Devices . 945.4 Normal Terminal Stopping Devices 945.5 Traveling Cables . 955.6 Governor-Rope Tension Devices 955.7
29、 Car Frame and Platform . 965.8 Car and Counterweight Safeties and Guiding Members IncludingRoped Hydraulic Elevators Installed Under A17.1b-1989 and LaterEditions . 965.9 Buffers and Emergency Terminal Speed-Limiting Devices . 985.10 Compensating Chains, Ropes, and Sheaves . 995.11 Plunger and Cyli
30、nder 1005.12 Car Buffers 1005.13 Guiding Members . 1015.14 Supply Piping . 1015.15 Overspeed Valve 1015.16 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 1025.17 Plunger Gripper . 102Part 6 Elevator Firefighters Service. 1056.1 Operation of Elevators Under Fire and Other Emergency
31、Conditions(A17.1b-1973 Through A17.1b-1980) 1056.2 Operation of Elevators Under Fire and Other Emergency Conditions(A17.1-1981 Through A17.1b-1983) . 107v6.3 Firefighters Service (A17.1-1984 Through A17.1a-1988 and A17.3) . 1096.4 Firefighters Service (A17.1b-1989 Through A17.1d-2000) 1116.5 Accepta
32、nce Checklist for Firefighters Service (A17.1-2000/B44-00):Automatic Elevators . 115Part 7 Escalator External. 1197.1 General Fire Protection 1197.2 Geometry . 1197.3 Handrails . 1237.4 Entrance and Egress Ends . 1237.5 Lighting . 1247.6 Caution Signs . 1247.7 Combplate and Comb Step Impact Device .
33、 1247.8 Deck Barricades and Antislide Devices . 1267.9 Steps and Upthrust Device 1287.10 Operating and Safety Devices 1307.11 Skirt-Obstruction Device . 1327.12 (Reserved) 1327.13 Egress Restriction (Rolling Shutter) Device . 1327.14 Speed . 1347.15 Balustrades 1347.16 Ceiling Intersection Guards 13
34、47.17 Step/Skirt Clearances, Panels, and Performance Index 1357.18 Outdoor Protection 1377.19 Maintenance Records 1377.20 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 138Part 8 Escalator Internal. 1398.1 Machinery Space Access, Lighting, Receptacle, and Condition 1398.2 Machinery
35、 Space Stop Switches and Inspection Control . 1398.3 Controller and Wiring . 1408.4 Drive Machine and Brake 1408.5 Speed Governor . 1428.6 Broken Drive Chain Device and Disconnected Motor Safety Device . 1428.7 Reversal Stop Switch 1428.8 Broken Step Chain Device . 1438.9 Step Upthrust Device 1438.1
36、0 Missing Step Device . 1438.11 Step Level Device . 1448.12 Steps, Step Chains, and Trusses 1448.13 Handrail Systems and Safety Devices 1468.14 Code Data Plate . 1468.15 Response to Smoke Detectors 1468.16 Step Lateral Displacement Device 1478.17 Inspection Control . 1478.18 Earthquake Inspection an
37、d Tests (Seismic Risk Zone 2 or Greater) 147Part 9 Moving Walk External. 1489.1 General Fire Protection 1489.2 Geometry . 1489.3 Handrails . 1489.4 Entrance and Egress Ends . 1519.5 Lighting . 1529.6 Caution Signs . 1529.7 Combplate and Comb Step Impact Device . 1529.8 Deck Barricades . 1539.9 Tread
38、ways . 1539.10 Operating and Safety Devices 154vi9.11 (Reserved) 1559.12 (Reserved) 1559.13 Egress Restriction (Rolling Shutter) Device . 1559.14 Speed . 1559.15 Balustrades 1569.16 Ceiling Intersection Guards 1579.17 Skirt Panels . 1579.18 Outdoor Protection 1589.19 Maintenance Records 1589.20 Eart
39、hquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 158Part 10 Moving Walk Internal . 16010.1 Machinery Space Access, Lighting, Receptacle, and Condition 16010.2 Stop Switch and Inspection Control 16010.3 Controller and Wiring . 16110.4 Drive Machine and Brake 16110.5 Speed Governor . 16310
40、.6 Broken Drive Chain Device and Disconnected Motor Safety Device . 16310.7 Reversal Stop Switch 16310.8 Broken Treadway Device . 16410.9 (Reserved) 16410.10 Missing Pallet Device 16410.11 Pallet Level Device 16410.12 Pallets, Pallet Chains, and Trusses 16510.13 Handrail Systems and Safety Devices 1
41、6610.14 Code Data Plate . 16610.15 Response to Smoke Detectors 16610.16 Inspection Control . 16710.17 Earthquake Inspection and Tests (Seismic Risk Zone 2 or Greater) 167Part 11 Elevator Machine-Room-Less (MRL) 16811.1 Access to Machine Room/Machinery Space/Control Room/ControlSpace . 16811.2 Access
42、 Door and Openings 16811.3 Enclosure of Rooms and Spaces 16811.4 Maintenance Path and Clearance . 16911.5 Machine/Control Rooms Containing Overhead Drive Machines . 16911.6 Temperature/Humidity 16911.7 Disconnecting Means 16911.8 Remote Machine Rooms and Control Rooms . 16911.9 Inspection and Test P
43、anels . 16911.10 Governor, Overspeed Switch . 17011.11 Emergency Brake 17011.12 Traction Sheaves . 17011.13 Secondary and Deflector Sheaves 17011.14 Terminal Stopping Devices . 17011.15 Working Areas Inside the Hoistway and in the Pit 17111.16 Location of Machinery Spaces, Machine Rooms, Control Spa
44、ces,Control Rooms, and Equipment 17211.17 Hydraulic Elevators Shutoff/Manual Lowering Valves . 17211.18 Hydraulic Elevators Pressure Gage Fittings 17211.19 Hydraulic Elevators Atmosphere Storage and Discharge Tanks . 17211.20 Hydraulic Elevators Pressure Piping 17211.21 Explanatory Figures for Defin
45、itions of Elevator Machinery Space, MachineRoom, Control Space, Control Room, Remote Machine Room, or RemoteControl Room . 17211.22 Inspection Operation and Hoistway Access Switch OperationHierarchy . 172viiFigures1.10.2 Door Operation Relative to Car Position . 122.13.2.1 Dynamometer Connections fo
46、r Testing the Pull-Through ofGovernor Jaws . 302.29.2(a) Safety Marks on Guide Rails, Poor Illumination 462.29.2(b) Safety Marks on Guide Rails, Good Illumination . 463.4.1.2 Car Top Clearance and Runby (A17.1-1978 and Later Editions) . 603.16.1 Self-Tightening Grips 683.22.1 Cross Section Through T
47、apered Rope Socket Showing Maximum andMinimum Projection of Loops Above Embedment Medium . 733.23.1(a) Types of Lay 753.23.1(b) Cross Sections of Typical Wire Ropes . 763.23.1(c) Inspection and Replacement of Steel Wire Ropes . 775.2.3.1 Bottom Car Clearance Hydraulic Elevators . 936.4.2(a) Visual S
48、ignal 1126.4.2(b) Phase I Instructions 1136.4.2(c) Phase II Instructions (A17.1b-1989 Through A17.1b-1995) . 1146.4.2(d) Phase II Instructions (A17.1-1996 Through A17.1d-2000) 1147.2.1(a) Dimensions for Existing Escalators (for Escalators Installed UnderA17.1-1955 and A17.1-1960 Editions) . 1207.2.1
49、(b) Dimensions for Existing Escalators (for Escalators Installed UnderA17.1-1965 Through A17.1-1981) . 1217.2.1(c) Relationship of Escalator Parts (A17.1a-1982 and Later Editions) 1227.2.3 Checking Incline 1227.4.1 Safety Zone . 1237.7.1 Checking Step/Combplate Mesh . 1257.7.3 Test of Combplate/Landing Plate Assembly 1267.8.1(a) Deck Barricade 1277.8.1(b) High-Deck Balustrade Antislide Devices . 1277.9.1(a) Smooth Riser 1287.9.1(b) Cleated Riser 1297.9.1(c) Escalator Step Riser . 1297.9.1(d) Escalator Step Tread A17.1-1955 Through A17.1-1990, Ru
