ASME A17 8-2016 Standard for wind turbine tower elevators.pdf

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18、SA B44.8-16Commitment for AmendmentsThis Code is issued jointly by The American Society of Mechanical Engineer s (ASME) and the Canadian Standards Association (operating as “CSA Gr oup”). Amendments to This Code will be made only aft er proces sing according to the Standards writing proced ures of b

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25、ation Information” section.ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNovember 2016 The American Society of Mechanical Engineers 2016 CSA Group1ContentsASME A17 Elevator and Escalator Standards Committee 5CSA B44 Technical Committee on the Elevator Safety Code 7ASME A17.8/

26、CSA B44.8 Joint Committee on Wind Turbine Tower Elevators 12ASME Preface 16CSA Preface 181 Scope, definitions, and references 191.1 Scope 191.1.1 Effective date 191.2 Definitions 191.3 References 252 Wind turbine tower elevators 272.1 Construction of hoistways 272.1.1 Hoistway enclosure not required

27、 272.1.2 Enclosures required at landings 272.1.3 Floor over travel path not required 272.2 Pits 272.3 Location and enclosing of counterweights 272.3.1 Counterweight runways 272.3.2 Access to enclosed counterweights and ropes 282.4 Vertical clearances for cars and counterweights 282.4.1 Top car clear

28、ance (maintenance/inspection access required) 282.4.2 Top car clearance (maintenance/inspection access not required) 282.4.3 Top counterweight clearance 292.5 Horizontal car and counterweight clearances 292.5.1 Between car and landing platforms 292.5.2 Between car and any stationary object 292.5.3 B

29、etween car and counterweight and counterweight guard 292.5.4 Measurement of clearances 292.6 Protection of spaces below the travel path 292.7 Machinery spaces, machine rooms, control spaces, and control rooms 292.7.1 Equipment location 292.8 Equipment in the travel path, machinery space, and control

30、 spaces 302.8.1 Electrical equipment and wiring 302.9 Machinery and sheave beams, supports, and foundations 302.9.1 Securing of machinery beams and type of supports 302.9.2 Loads on overhead beams and supports 302.9.3 Factor of safety of overhead beams and supports 302.9.4 Allowable stresses and def

31、lections for machinery and sheave beams, their supports, and any support members that transmit load to the turbine tower walls 312.10 Guarding of equipment and standard railing 31ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNovember 2016 The American Society of Mechanical En

32、gineers 2016 CSA Group22.10.1 Guarding of equipment 312.10.2 Standard railing 312.10.3 Landing platform prot ection 322.11 Pr ot ection of landing platform openings 322.11.1 Landing platform doors or gates 322.11.2 Door or gat e closers 322.11.3 Horizontal platform inside enclosure 322.11.4 Platform

33、 lighting 322.11.5 Landing platform enclosures 322.12 Landing platform door locking devices and electric contacts 332.12.1 Landing platform door and gate locking devices 332.12.2 Where required (for automatic call operation) 332.12.3 General design requirements 332.13 Power operation of landing plat

34、form doors and car doors or gat es 342.14 Car enclosures, car door s and gates , and car illumination 342.14.1 Car enclosure 342.14.2 Car height 342.14.3 Vision panels 342.14.4 Enclosure panels 352.14.5 Strength of car top 352.14.6 Top of car railing 352.14.7 Car illumination 352.14.8 Emergency ligh

35、ting 352.14.9 Car emergency exit 362.14.10 Car doors and gat es 362.14.11 Car door and gat e electric contacts 362.14.12 Clear openings 372.14.13 Sectioning 372.14.14 Ventilation 372.15 Car frames and platforms 372.15.1 Car frames and platforms 372.15.2 Use of cast iron 372.15.3 Number of compartmen

36、ts 372.15.4 Guiding means 372.15.5 Strength of guiding means 372.15.6 Car frame 382.15.7 Guiding member s 382.15.8 Kickboard 382.15.9 Obs truction-det ection devices 382.15.10 Warning devices 382.15.11 Ladder -guided platforms 392.16 Capacity and loading 392.16.1 Capacity and data plat es 392.16.2 I

37、nformation required on plates 392.16.3 Limitation of load, speed, and platform area 392.16.4 Overload detect ion means 392.16.5 Speed-limiting device 392.17 Car and count erweight safeties 392.17.1 Wire r ope gripping safety 40ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNov

38、ember 2016 The American Society of Mechanical Engineers 2016 CSA Group32.17.2 Rack-and-pinion safety 402.17.3 Safety marking plat es 412.17.4 Opening of driving-machine motor and brake control circuits on safety application 412.17.5 Application of safety 412.18 Reserved for future use 412.19 Reserve

39、d for future use 412.20 Suspension means and their connections 412.20.1 Suspension means for count erweighted traction elevators 422.20.2 Suspension means for uncounter weight ed traction elevator s 422.20.3 Chains used for suspension 442.21 Count erweights 442.21.1 Count erweight guides 442.21.2 Ty

40、pes of counter weight cons truction 442.22 Buffer s, bumpers , and retardations 452.22.1 Bumper s 452.22.2 Spring buffer s 452.22.3 Retardations 452.23 Car and count erweight guidance sy st ems, supports, and fas tenings 452.23.1 Wire r ope guidance sy st em for uncounter weight ed traction drive ma

41、chines 452.23.2 Ladder guidance sy st ems 462.24 Driving machines, sheaves, and brakes 472.24.1 Rack-and-pinion driving machines 472.24.2 Traction driving machines, sheave and brakes 482.24.3 Chain climbing machines 492.24.4 Mat erial and grooving for sheaves 492.24.5 Factor of safety for driving ma

42、chines and sheaves 502.24.6 Bolts transmit ting tor que and set screws 502.24.7 Friction-gearing or clut ch mechanism 502.24.8 Use of cast iron in gear s 502.24.9 Braking s ys tem of driving machines 502.24.10 Means for manual release of driving machine brake 512.25 Terminal s topping devices 512.25

43、.1 Final t erminal stopping 512.25.2 Normal termi nal stopping 522.25.3 Slack rope det ection 522.26 Operating devices and contr ol equipment 532.26.1 Operation and operating devices 532.26.2 Electrical prot ective devices 532.26.3 Contactor s and relays for use in critical operating circuits 542.26

44、.4 Electrical equipment and wiring 542.26.5 Phase prot ection of motors 552.26.6 Ins tallation of capacitors or other devices to make electrical prot ective devices ineffective 552.26.7 Contr ol and operating circuits 552.26.8 Release and application of driving-machine brakes 562.27 Emergency operat

45、ion and signaling devices 562.28 Layout drawings 572.29 Welding 572.29.1 Qualification of welders 572.29.2 Welding s tee l 57ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNovember 2016 The American Society of Mechanical Engineers 2016 CSA Group42.29.3 Welding metals other tha

46、n st eel 572.30 Engineering tes ts, type tes ts, and certification requirements 572.30.1 Type tes ts of int erlocks, combination mechanical locks, and electric contacts and door or gat e electric contacts 572.31 Maint enance, repair , replacement, and tes ting 582.31.1 Required information 582.31.2

47、Location 582.31.3 Mat erial and construct ion 582.32 Acceptance inspections and tes ts 582.33 Periodic inspections and witnessing of t ests 58Annex A (informative) Wind turbine tower elevator clearances 59ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNovember 2016 The America

48、n Society of Mechanical Engineers 2016 CSA Group5ASME A17 Elevator and Escalator Standards CommitteeH.E. Peelle III, ChairR.A. Gregory , Vice-ChairC.W. Rogler , Vice-ChairG.A. Burdeshaw , SecretaryE.V. Baker , IUECM.D. Morand, Alte rnate , Qualified Elevator Inspector Training Fund (QEITF)T.D. Barka

49、nd, U.S. Department of LaborR.E. Baxt er , Baxter Residential Elevators, LLCK.S. Lloyd Jr ., Alte rnate , Abell Elevator Int ernationalL. Bialy , Louis Bialy however , they should not contain prop rietary names or information.ASME A17.8-2016/CSA B44.8-16 Standard for wind turbine tower elevatorsNovember 2016 The American Society of Mechanical Engineers 2016 CSA Group17Reques ts that are not in this format will be rewrit ten in this format by the Committ ee prior to being answered, which may inadvertently change the intent of the original reques t.AS