1、AN AMERICAN NATIONAL STANDARDASME HST-12017(Revision of ASME HST-12012)Performance Standard for Electric Chain HoistsASME HST-1 201 7(Revision of ASME HST-1 2012)PerformanceStandard forElectric ChainHoistsAN AMERICAN NATIONAL STANDARDxDate of Issuance: June 29, 2018This Standard will be revised when
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11、 reproduced in any form,in an electronic retrieval sys t em or otherwise,without the prior writ ten permission of the publisher .The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2018 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted
12、 in U.S.A.CONTENTSForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivCommittee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13、. . . . . . . . . . . vCorrespondence With the HST Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viChapter 1-0 Scope, Definitions, References, and Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Section 1-0.1 Scope .
14、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Section 1-0.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Section 1-0.3 References . . . .
15、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Section 1-0.4 Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Chapter 1-1 Performance . . . . . . . . . . . . .
16、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Section 1-1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Section 1-1.2 Hoist Duty Service Classification . . . . . . . . . .
17、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Section 1-1.3 Duty Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Section 1-1.4 Application Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18、. . . . . . . . . . . . . . . . . . . . . . . 7Section 1-1.5 Specification of Lift, Headroom, and Reach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Section 1-1.6 Speeds: Hoist and Trolley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、 . . . . 7Section 1-1.7 Trolleys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Section 1-1.8 Overload Limiting Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Section 1-
20、1.9 Pull Cord Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Section 1-1.10 Typical Hoist and Trolley Inquiry Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Nonmandatory AppendicesA Performance Req
21、uirements for Electric Chain Hoists Used in Marine and Other Applications asRequired by the U.S. Department of Defense (DoD) . . . . . . . . . . . . . . . . . . . . . . . . . . . 11B Typical Examples of Hoist Class Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19F
22、igures1-0.2-1 Headroom, Lift, and Reach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-0.2-2 Reeving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Tables1-1.3-1 Duty Classific
23、ations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-1.6-1 Typical Hoist and Motorized Trolley Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8A-2.8-1 Hook Throat Openings . . . . . . . . . . . . . . . . . . . .
24、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13A-4.2.7-1 Electromagnetic Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Form1-1.10-1 Typical Hoist and Trolley Inquiry Data Form . . . . . . . . . . . . . . . . . . . . . . . . .
25、. . . . . . . . . 10iiiFOREWORDThis Standard is one in a series that provides performance requirements for hoists; it was originally issued in 1982. Itwas developed by the ASME HST Standards Committee, Hoists Overhead. It is intended to serve as a guide to manu-facturers of the equipment and to the
26、purchasers and users of the equipment.Standards in this series are as follows:Designator TitleHST-1 Performance Standard for Electric Chain HoistsHST-2 Performance Standard for Hand Chain Manually Operated Chain HoistsHST-3 Performance Standard for Lever HoistsHST-4 Performance Standard for Overhead
27、 Electric Wire Rope HoistsHST-5 Performance Standard for Air Chain HoistsHST-6 Performance Standard for Air Wire Rope HoistsASME HST-12012 incorporated an appendix that, in conjunction with ASME HST-1, was intended to replace MIL-H-15317, which was previously used by the Department of Defense (DoD)
28、to procure electric chain hoists. ASME HST-12012 was rewritten and reorganized to harmonize with ASME B30.16 to eliminate duplication and conflicts in content.The requirements for this Standard shall be applied together with the requirements of B30.16 for the products covered.ASME HST-12012 was appr
29、oved by ANSI as an American National Standard on October 4, 2012.This edition of ASME HST-1 includes revised definitions and other changes, and addresses two-speed and variablespeed operation.Following the approval of the ASME HST Standards Committee and ASME, and after public review, ASME HST-12017
30、was approved by the American National Standards Institute on November 17, 2017.ivASME HST COMMITTEEHoists Overhead(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSJ. R. Burkey, ChairW. E. Osborn, Vice ChairE. Dominguez, SecretarySTAN
31、DARDS COMMITTEE PERSONNELJ. R. Burkey, ConsultantB. M. Casey, Electric BoatE. Dominguez, The American Society of Mechanical EngineersJ. E. Eaglin, John Group InternationalF. G. Heath, Heath and AssociatesE. K. Marburg, Columbus McKinnon Corp.M. A. Martinez Correa, Chevron Upstream however, they shou
32、ld not contain proprietary names orinformation.viRequests that are not in the format described above may be rewritten in the appropriate format by the Committee priorto being answered, which may inadvertently change the intent of the original request.Moreover, ASME does not act as a consultant for s
33、pecific engineering problems or for the general application orunderstanding of the Standard requirements. If, based on the inquiry information submitted, it is the opinion ofthe Committee that the Inquirer should seek assistance, the inquiry will be returned with the recommendationthat such assistan
34、ce be obtained.ASME procedures provide for reconsideration of any interpretation when or if additional information that might affectan interpretation is available. Further, persons aggrieved by an interpretation may appeal to the cognizant ASMECommittee or Subcommittee. ASME does not “approve, ” “ce
35、rtify, ” “rate, ” or “endorse” any item, construction, proprietarydevice, or activity.Attending Committee Meetings. The HST Standards Committee regularly holds meetings and/or telephone confer-ences that are open to the public. Persons wishing to attend any meeting and/or telephone conference should
36、 contact theSecretary of the HST Standards Committee. Future Committee meeting dates and locations can be found on the CommitteePage at http:/go.asme.org/HSTcommittee.viiINTENTIONALLY LEFT BLANKviiiChapter 1-0Scope, Definitions, References, and AppendicesSECTI ON 1-0.1: SCOPE(a) This Standard establ
37、ishes performance require-ments for electric chain hoists for vertical liftingservice involving material handling of freely suspended(unguided) loads using load chain of the roller orwelded link types with one of the following types ofsuspension:(1) lug(2) hook or clevis(3) trolley(b) This Standard
38、is applicable to hoists manufacturedafter the date on which this Standard is issued. It is notapplicable to(1) damaged or malfunctioning hoists(2) hoists that have been misused or abused(3) hoists that have been altered without authoriza-tion of the manufacturer or a qualified person(4) hoists used
39、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(s)(6) hoists used for marine and other applications asrequired by the Department of Defense (DoD)The requirements of this Standard shall be appliedtogether with
40、the requirements of ASME B30.16.Please also refer to ASME B30.16 for requirementspertaining to marking, construction, and installation;inspection, testing, and maintenance; and operation.SECTI ON 1-0.2: DEFINITIONSabnormal operating conditions: environmental conditionsthat are unfavorable, harmful,
41、or detrimental to the opera-tion of a hoist, such as excessively high or low tempera-ture, exposure to weather, corrosive fumes, dust laden ormoisture laden atmospheres, and hazardous locations.ambient temperature: the temperature of the atmospheresurrounding the hoist.beam: an overhead standard str
42、uctural or specially fabri-cated shape, on which the trolley operates.brake: a device, other than a motor, used for retarding orstopping motion by means of friction or power.brake, holding: a friction brake for a hoist that is automa-tically applied and prevents motion when power is off.brake, mecha
43、nical load: an automatic type of friction brakeused for controlling loads in a lowering direction. Thisunidirectional device requires torque from the motorto lower a load but does not impose any additionalload on the motor when lifting a load. This type ofbrake may also be used as a holding brake if
44、 designedas such by the manufacturer.braking, control: a method of controlling speed byremoving energy from the moving body or by impartingenergy in the opposite direction.braking, dynamic: a method of controlling speed by usingthe motor as a generator, with the energy being dissipatedin resistors.b
45、raking, mechanical: a method of controlling or reducingspeed by friction.braking, regenerative: a method of controlling speed inwhich the electrical energy generated by the motor isfed back into the power system.chain, load: the load-bearing chain in a hoist.chain, roller: a series of alternately as
46、sembled roller linksand pin links in which pins articulate inside the bushings,and the rollers are free to turn on the bushings. Pins andbushings are press-fit in their respective link plates.chain, welded link: a chain consisting of a series of inter-woven links formed and welded.NOTE: Load chain p
47、roperties do not conform to those shown inASME B29.1 or ASME B30.9.contactor: an electromechanical device for opening andclosing an electric power circuit.control actuator: a manual means at the operating stationby which hoist controls are energized.control enclosure: the housing containing the elec
48、tricalcontrol components.cushioned start: an electrical or mechanical method forreducing the rate of acceleration of trolley motion.hazardous (classified) locations: locations where fire orexplosion hazards may exist. Locations are classifieddepending on the properties of the flammable vapors,liquid
49、s or gases, or combustible dusts or fibers thatmay be present, and the likelihood that a flammable orcombustible concentration or quantity is present. Referto NFPA 70.ASME HST-120171headroom: headroom is measured with the load hook at itsupper limit of travel and is the distance from the saddle ofthe load hook to the following locations (see Figure 1-0.2-1 ):(a) saddle of the top hook on hook suspended hoists(b) centerline of the suspension holes on lug suspendedhoists(c) wheel treadline on trolley suspended hoistshoist: a machinery unit that is used for lifting or lowering
