ASME HST-2-2014 Performance Standard for Hand Chain Manually Operated Chain Hoists《手链式人工操作链式起重机的性能标准》.pdf

1、AN AMERICAN NATIONAL STANDARD ASME HST-22014 Revision of ASME HST-21999 (R2010)Performance Standard for Hand Chain Manually Operated Chain HoistsASME HST-22014Revision of ASME HST-2M1999 (R2010)Performance Standardfor Hand ChainManually OperatedChain HoistsAN AMERICAN NATIONAL STANDARDTwo Park Avenu

2、e New York, NY 10016 USADate of Issuance: September 16, 2014This Standard will be revised when the Society approves the issuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Interpretations are published on the Committee W

3、eb page and undergo.asme.org/InterpsDatabase. Periodically certain actions of the ASME HST Committee may bepublished as Cases. Cases are published on the ASME Web site under the HST Committee Page atgo.asme.org/HSTcommittee as they are issued.Errata to codes and standards may be posted on the ASME W

4、eb site under the Committee Pages toprovide corrections to incorrectly published items, or to correct typographical or grammatical errorsin codes and standards. Such errata shall be used on the date posted.The HST Committee Page can be found at go.asme.org/HSTcommittee. There is an option availablet

5、o automatically receive an e-mail notification when errata are posted to a particular code or standard.This option can be found on the appropriate Committee Page after selecting “Errata” in the “PublicationInformation” section.ASME is the registered trademark of The American Society of Mechanical En

6、gineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to particip

7、ate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry, academia,regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, o

8、r activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assume an

9、y such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is

10、 not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No pa

11、rt of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2014 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll

12、rights reservedPrinted in U.S.A.CONTENTSForeword ivCommittee Roster . vCorrespondence With the HST Committee viChapter 2-0 Scope, Definitions, References, and AppendicesSection 2-0.1 Scope . 1Section 2-0.2 Definitions 1Section 2-0.3 References 3Section 2-0.4 Appendices . 3Chapter 2-1 PerformanceSect

13、ion 2-1.1 General . 4Section 2-1.2 Characteristics 4Section 2-1.3 Application Analysis 4Section 2-1.4 Specifications of Lift, Headroom, and Reach . 4Section 2-1.5 Trolleys . 4Section 2-1.6 Overload Limiting Device . 4Section 2-1.7 Load Sprockets (Pocket Wheels) . 5Section 2-1.8 Load Chain . 5Section

14、 2-1.9 Hooks 5Section 2-1.10 Load Blocks 5Section 2-1.11 Brakes 5Section 2-1.12 Overtravel Restraint . 7Section 2-1.13 Typical Hoist Inquiry Data Form 7Figure2-0.2-1 Headroom, Lift, and Reach 2Tables2-1.2-1 Typical Hoist Characteristics Hook Suspended or ClevisSuspended . 52-1.2-2 Typical Trolley-Su

15、spended Hoist Characteristics (Hoist SuspendedFrom a Separate Trolley) 62-1.2-3 Typical Trolley-Suspended Hoist Characteristics (Integral) 6Form2-1.13-1 Typical Hoist Inquiry Data Form 8Nonmandatory AppendixA Performance Requirements for Hand Chain Manually Operated ChainHoists Used in Marine and Ot

16、her Applications as Required by theU.S. Department of Defense (DOD) 9iiiFOREWORDThis Standard is one in a series that provide performance requirements for hoists and wasoriginally issued in 1983. It was developed by the American Society of Mechanical Engineers(ASME) HST Standards Committee, Hoists O

17、verhead. It is intended to serve as a guide tomanufacturers of the equipment and to the purchasers and users of the equipment.Standards in this series areHST-l, Electric Chain HoistsHST-2, Hand Chain Manually Operated Chain HoistsHST-3, Manually Lever Operated Chain HoistsHST-4, Electric Wire Rope H

18、oistsHST-5, Air Chain HoistsHST-6, Air Wire Rope HoistsThis revision contains a Nonmandatory Appendix that, in conjunction with ASME HST-2, isintended to replace MIL-H-904.The format of this Standard is in accordance with the 2000 edition of The ASME Codes however, they shouldnot contain proprietary

19、 names or information.Requests that are not in this format may be rewritten in the appropriate format by the Committeeprior to being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionalinfo

20、rmation that might affect an interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee Mee

21、tings. The HST Standards Committee regularly holds meetingsand/or telephone conferences that are open to the public. Persons wishing to attend any meetingand/or telephone conference should contact the Secretary of the HST Standards Committee.Future Committee meeting dates and locations can be found

22、on the Committee Page atgo.asme.org/HSTcommittee.viASME HST-22014PERFORMANCE STANDARD FOR HAND CHAIN MANUALLYOPERATED CHAIN HOISTSChapter 2-0Scope, Definitions, References, and AppendicesSECTION 2-0.1 SCOPE(a) This Standard establishes performance require-ments for hand chain manually operated chain

23、 hoistsfor vertical lifting service involving material handlingof freely suspended (unguided) loads, using welded linktype load chain as a lifting medium, with one of thefollowing types of suspension:(1) hook or clevis(2) trolley(b) This Standard is applicable to hoists manufacturedafter the date on

24、 which this Standard is issued. Differen-tial pulley and self-locking worm drive type hoists arenot covered in this Standard.(c) This Standard is not applicable to(1) damaged or malfunctioning hoists(2) hoists that have been misused or abused(3) hoists that have been altered without authoriza-tion o

25、f the manufacturer or a qualified person(4) hoists used for lifting or supporting people(5) hoists used for the purpose of drawing both theload and the hoist up or down the hoists own load chain(6) hoists used for marine and other applicationsas required by the Department of Defense (DOD)The require

26、ments of this Standard shall be appliedtogether with the requirements of ASME B30.16. Pleasealso refer to ASME B30.16 for requirements pertaining tomarking, construction, installation, inspection, testing,maintenance, and operation.SECTION 2-0.2 DEFINITIONSabnormal operating conditions: environmenta

27、l conditionsthat are unfavorable, harmful, or detrimental to or forthe operation of a hoist, such as excessively high or lowambient temperatures, exposure to weather, corrosivefumes, dust-laden or moisture-laden atmospheres, andhazardous locations.ambient temperature: the temperature of the atmosphe

28、resurrounding the hoist.1beam: an overhead standard structural shape or speciallyfabricated shape on which a trolley operates.clevis-suspended hoist: a hoist suspended by means of aclevis or eye at the top of the hoist see Fig. 2-0.2-1,illustration (a).hand chain: an endless loop of chain suspended

29、from thehoist (or trolley) and used to provide motion to the loadhook (or trolley) (see Fig. 2-0.2-1).hand chain drop: the distance to the lowest point of thehand chain measured from the saddle of the load hookat its upper limit of travel (see Fig. 2-0.2-1).hand chain operated hoist: a suspended mac

30、hinery unitthat, by use of manual operation, is used for lifting orlowering a freely suspended (unguided) load.hand chain overhaul: the number of feet (meters) the handchain must travel to raise the load hook 1 ft (1 m).hand chain pull: the average force measured in pounds(kilonewtons) exerted by th

31、e operator on the hoist handchain to lift the rated load.hand chain wheel: a wheel with formed pockets on itsperiphery to allow torque to be transmitted when a forceis applied to the hand chain.hazardous (classified) locations: locations where fire orexplosion hazards may exist. Locations are classi

32、fieddepending on the properties of the flammable vapors,liquids, or gases, or combustible dust or fibers that maybe present, and the likelihood that a flammable or com-bustible concentration or quantity is present. Refer toANSI/NFPA 70.Class 1 locations: locations in which flammable gasesor vapors a

33、re or may be present in the air in quantitiessufficient to produce explosive or ignitable mixtures.Class 2 locations: locations that are hazardous becauseof the presence of combustible dust.Class 3 locations: locations that are hazardous becauseof the presence of easily ignitable fibers or flyings,

34、butin which such fibers or flyings are not likely to be insuspension in the air in quantities sufficient to produceignitable mixtures.ASME HST-22014Fig.2-0.2-1Headroom,Lift,andReachHoist hand chainHand chain dropHeadroomReachHoist hand chainHand chain dropHeadroomReachLiftLiftReachLiftHeadroomHand c

35、hain dropHoist hand chainLoad chainLoad hook at upper limit of travelLoad hook at lower limit of travelHookClevis(a) Hook or Clevis Suspended(b) Trolley Suspended(c) Trolley Suspended (Integral)2ASME HST-22014headroom: headroom is measured with the load hook atits upper limit of travel, and is the d

36、istance from thesaddle of the load hook to the following (see Fig. 2-0.2-1):(a) saddle of the top hook on hook-suspended hoists(b) saddle of clevis on clevis-suspended hoists(c) wheel treadline on trolley-suspended hoistshooklatch: a mechanical device to close (bridge) the throatopening of a hook.ho

37、ok-suspended hoist: suspension of a hoist from a trolleyor rigid structure by means of a hook at the top of thehoist (see Fig. 2-0.2-1).idler sprocket: a device free to rotate that changes thedirection of the load chain. This device is sometimescalled idler wheel, idler sheave, pocket wheel, or chai

38、nwheel.lift: the maximum vertical distance through which theload hook can travel, and the total allowable hook move-ment between its upper limit of travel and its lower limitof travel (see Fig. 2-0.2-1).lifting devices, below-the-hook: devices that are not nor-mally reeved into the hoist chain(s), s

39、uch as supplemen-tal devices used for hanging or attaching to the load.The weight of these devices is to be considered part ofthe load to be lifted.load: the total imposed weight on the load block or loadhook, including the weight of lifting devices.load block: the assembly of hook or shackle, swive

40、l, bear-ing, pins, sprocket, and frame suspended by the loadchain. This shall include all appurtenances reeved intothe load chain.load chain: the load suspension chain in the hoist con-sisting of a series of interwoven links formed andwelded.NOTE: Hand chain and load chain properties do not conform

41、tothose shown in ASME B30.9.load hook: the hook used to connect the load to the hoist.load sprocket: a hoist component that transmits motionto the load chain. This component is sometimes calledload wheel, load sheave, pocket wheel, chain wheel, orlift wheel.load suspension parts: the means of suspen

42、sion (trolley,hook, or clevis), the chain, the sprocket(s), the structureor housing that supports the sprocket(s), and the loadblock.minimum radius: the smallest radius of the beam, mea-sured to the centerline of the web of the beam, on whichthe trolley will operate.normal operating conditions: cond

43、itions during which ahoist is performing functions within the scope of theoriginal design.overload: any load greater than the rated load.3parts (lines): number of lines of chain supporting theload block or hook.qualified person: a person who, by possession of a recog-nized degree or certificate of p

44、rofessional standing, orby extensive knowledge, training, and experience, hassuccessfully demonstrated the ability to solve or resolveproblems relating to the subject matter and work.rated load: the maximum load for which a hoist or trolleyis designated by the manufacturer or qualified person.reach:

45、 the distance from the saddle of load hook at itslower limit of lift to the upper point of the headroommeasurement. Reach is equal to lift plus headroom (seeFig. 2-0.2-1).reeving: a system in which the load chain travels aroundsprockets.shall: indicates that the rule is mandatory and must befollowed

46、.should: indicates that the rule is a recommendation, theuse of which depends on the facts in each situation.trolley: a wheeled mechanism from which a hoist is sus-pended to provide horizontal motion of the hoist alonga beam.trolley-suspended hoist: a hoist suspended from a trolley.A hoist can be co

47、nnected to a trolley by hook or clevis, orthe hoist can be integral with the trolley (see Fig. 2-0.2-1).SECTION 2-0.3 REFERENCESThe following is a list of publications referenced inthis Standard. The latest issue shall apply.ANSI/NFPA 70, National Electrical CodePublisher: National Fire Protection A

48、ssociation (NFPA),One Batterymarch Park, Quincy, MA 02169(www.nfpa.org)ASME B30.9, SlingsASME B30.10, HooksASME B30.16, Overhead Hoists (Underhung)Publisher: The American Society of MechanicalEngineers (ASME), Two Park Avenue, New York,NY 10016-5990; ASME Order Department: 22 LawDrive, P.O. Box 2900

49、, Fairfield, NJ 07007-2900(www.asme.org)SECTION 2-0.4 APPENDICESNonmandatory Appendix A, PerformanceRequirements for Hand Chain Manually OperatedChain Hoists Used in Marine and Other Applicationsas Required by the U.S. Department of Defense (DOD),applies to the performance requirements for hoists usedin marine and other applications. The requirementsstated in Nonmandatory Appendix A are in additionto the requirements of ASME HST-22014 and shall bespecifically invoked.ASME HST-22014Chapter 2-1PerformanceSECTION 2-1.1 GENERALAll equipment selected in acc