1、PERFORMANCESTANDARD FOR AIR CHAINHOISTSASME HST-5-1999Revision of ASME HST-5M-1991 (R1996)A N A M E R I C A N N AT I O N A L S TA N D A R DASME HST-5M-1999 5/10/00 2:26 PM Page 1Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted
2、without license from IHS-,-,-PERFORMANCESTANDARD FOR AIR CHAIN HOISTSA N A M E R I C A N N A T I O N A L S T A N D A R DASME HST-5-1999Revision of ASME HST-5M-1991 (R1996)ASME HST-5M-1999 5/10/00 2:26 PM Page 3Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo repro
3、duction or networking permitted without license from IHS-,-,-p. 1 09-23-99 09:49:13 Unit: ucp Textfile: hst5$cpe p. 1Date of Issuance: October 25, 1999This Standard will be revised when the Society approves the issuance ofa new edition. There will be no addenda or written interpretations of therequi
4、rements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria forAmerican National Standards. The Standards Committee that approved the code or s
5、tandardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate. The proposed code or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry, academia,regulatory agenc
6、ies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted inconnection with any items mentioned in this document, and does not undertake
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9、nce with the established ASME procedures and policies, which precludes the issuanceof interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mec
10、hanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 1999 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from I
11、HS-,-,-p. 3 09-23-99 09:49:23 Unit: ufw Textfile: hst5$FW p. 3FOREWORDThis Standard is one in a series that provide performance requirements for hoists andwas originally issued in 1985. It was developed by the ASME Standards Committee HST,Hoists Overhead. It is intended to serve as a guide to manufa
12、cturers of the equipment,and to the purchasers and users of the equipment.Standards in this series are:HST-1 Electric Chain HoistsHST-2 Hand Chain Manually Operated Chain HoistsHST-3 Manually Lever Operated Chain HoistsHST-4 Electric Wire Rope HoistsHST-5 Air Chain HoistsHST-6 Air Wire Rope HoistsTh
13、is revision adds a new appendix that, in conjunction with ASME HST-5, is intendedto replace MIL-H-2813 and MIL-H-24591.Suggestions for improvement of this Standard are welcome. They should be sent to TheAmerican Society of Mechanical Engineers; Attn: Secretary, HST Committee, Three ParkAvenue, New Y
14、ork, NY 10016-5990.This Standard was approved as an American National Standard on July 12, 1999.iiiCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page intentionally left blank.Copyright ASME
15、International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-p. 5 09-23-99 09:49:33 Unit: ucr Textfile: hst5$CR p. 5ASME STANDARDS COMMITTEE HSTHoists Overhead(The following is the roster of the Committee at the time of appro
16、val of this Standard.)OFFICERSA. R. Toth, ChairC. J. Gomez, SecretaryCOMMITTEE PERSONNELC. J. Gomez, The American Society of Mechanical EngineersD. A. Merkel, Square D Co.E. R. Naylor, Campbell ChainR. R. Reisinger, FKI Industries, Inc.A. R. Toth, Harnischfeger Industries, Inc.F.W. Weidner, Naval Se
17、a Systems CommandvCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page intentionally left blank.Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproductio
18、n or networking permitted without license from IHS-,-,-p. 7 09-23-99 09:49:43 Unit: uct Textfile: hst5$CT p. 7CONTENTSForeword iiiCommittee Roster v1 General . 11.1 1Scope .1.2 1The Appendix 1.3 1Reference Standards 1.4 1Definitions .2 Performance . 42.1 4General 2.2 4Hoist Duty Service Classificati
19、on 2.3 5Specifications of Lift, Headroom, and Reach .2.4 5Hoist and Trolley Speeds .2.5 5Types of Trolleys 3 Mechanical Requirements . 53.1 5Design Stresses 3.2 6Load Sprockets (Pocket Wheels) 3.3 6Load Chain 3.4 6Hooks .3.5 7Load Blocks .3.6 7Hoist Brakes .3.7 7Hand Chain (Hand Chain Operated Troll
20、eys) 3.8 7Overtravel Protection .3.9 7Overload Limiting Device 3.10 7Trolley 3.11 7Brakes for Motor Driven Trolleys .3.12 7Control 4 Testing, Marking, Manuals, Installation, Maintenance, and OperatingProcedures 84.1 8Testing of Hoists .4.2 8Marking (by Manufacturer) .4.3 8Manual 4.4 8Installation (U
21、sers Responsibility) .4.5 9Maintenance and Operating Procedures (Users Responsibility) 5 Typical Air Chain Hoist and Trolley Inquiry Data . 9Figures1 Headroom, Lift, and Reach . 22 Reeving . 3viiCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or netw
22、orking permitted without license from IHS-,-,-p. 8 09-23-99 09:49:43 Unit: uct Textfile: hst5$CT p. 8Tables1 Air Chain Hoist Duty Service Classification . 52 Typical Hoist and Motorized Trolley Speeds 6Nonmandatory AppendixA Performance Requirements for Air Chain Hoists Used In Marine and OtherAppli
23、cations as Required by the U.S. Department of Defense (DOD) . 11viiiCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-p. 1 07-16-01 15:18:06 Unit: U1 Textfile: HST5$f1 p. 1ASME HST-5-1999PERFORMANCE
24、STANDARD FOR AIR CHAIN HOISTS1 GENERAL1.1 Scope(a) This Standard establishes performance require-ments for air powered 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
25、 types ofsuspension:(1) lug;(2) hook or clevis;(3) trolley.(b) This Standard is applicable to hoists manufacturedafter the date on which this Standard is issued. It isnot applicable to:(1) damaged or malfunctioning hoists;(2) hoists that have been misused or abused;(3) hoists that have been altered
26、without authoriza-tion of the manufacturer or a qualified person;(4) hoists used for lifting or supporting people;(5) hoists used for the purpose of drawing boththe load and the hoist up or down the hoists ownload chain(s); or(6) hoists used for marine and other applicationsas required by the Depart
27、ment of Defense (DOD).1.2 The AppendixNonmandatory Appendix A, Performance Require-ments for Air Chain Hoists Used in Marine and OtherApplications as Required by the U.S. Department ofDefense (DOD), applies to the performance require-ments for hoists used in marine and other applications.The require
28、ments stated in Appendix A are in additionto the requirements of ASME HST-5-1999 and shallbe specifically invoked.1.3 Reference StandardsThe following documents form a part of this Standardto the extent specified herein. The latest issue shallapply.ANSI Z535.4, Product Safety Signs and Labels1Publis
29、her: National Electrical Manufacturers Association(NEMA), 1300 North 17th Street, Rosslyn, VA 22209ANSI/NFPA 70, National Electrical CodePublisher: National Fire Protection Association (NFPA),1 Batterymarch Park, Quincy, MA 02269-9101ASME B29.1M, Precision Power Transmission RollerChains, Attachment
30、s, and SprocketsASME B30.9, SlingsASME B30.10, HooksASME B30.11, Monorails and Underhung CranesASME B30.16, Overhead Hoists (Underhung)ASME B30.17, Overhead and Gantry Cranes (TopRunning Bridge, Single Girder, and Underhung Hoist)Publisher: The American Society of Mechanical Engi-neers (ASME), Three
31、 Park Avenue, New York, NY10016-5990; Order Department: 22 Law Drive, Box2900, Fairfield, NJ 07007-29001.4 Definitionsabnormal operating conditions: environmental condi-tions that are unfavorable, harmful, or detrimental toor for the operation of a hoist, such as excessivelyhigh or low ambient tempe
32、ratures, exposure to weather,corrosive fumes, dust laden or moisture laden atmo-spheres, and hazardous locations.ambient temperature: the temperature of the atmo-sphere surrounding the hoist.beam: an overhead standard structural or speciallyfabricated shape on which the trolley operates.brake: a dev
33、ice, other than a motor, used for retardingor stopping hoist or trolley motion by friction or powermeans.Class 1 locations: locations in which flammable gasesor vapors are or may be present in the air in quantitiessufficient to produce explosive or ignitable mixtures.Class 2 locations: locations tha
34、t are hazardous becauseof the presence of combustible dust.Class 3 locations: locations that are hazardous becauseof the presence of easily ignitable fibers or flyings,Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without li
35、cense from IHS-,-,-p. 2 07-16-01 15:18:06 Unit: U1 Textfile: HST5$0001 p. 2PERFORMANCE STANDARD FOR AIR CHAIN HOISTSASME HST-5-1999FIG. 1 HEADROOM, LIFT, AND REACHbut in which such fibers or flyings are not likely tobe in suspension in the air in quantities sufficient toproduce ignitable mixtures.co
36、ntrol: a manual means at the operator station bywhich hoist or trolley controls are energized.control braking means: a method of controlling speedby removing energy from the moving body or byimparting energy in the opposite direction.dynamic: a method of controlling speed by using themotor as a comp
37、ressor.hand chain: the chain provided to control movementof a hand chain operated trolley.hazardous (classified) location: location where fire orexplosion hazards may exist. Locations are classifieddepending on the properties of the flammable vapors,liquids, or gases, or combustible dusts or fibers
38、thatmay be present, and the likelihood that a flammableor combustible concentration or quantity is present(refer to ANSI/NFPA 70).headroom: (see Fig. 1) measured with the load hookat its upper limit of travel. Headroom is the distancefrom the saddle of the load hook to the followinglocations:(a) sad
39、dle of the top hook on suspended hoists;2(b) center line of the suspension holes on lug sus-pended hoists;(c) bottom of the beam on trolley suspended hoists.hoist: a suspended machinery unit that is used forlifting or lowering a freely suspended (unguided) load.hoist speed: the rate of motion of the
40、 load hook.holding brake: a friction brake for a hoist that isautomatically applied and prevents motion when theair supply is interrupted.hook-suspended: suspension of the hoist from a trolleyor rigid structure by means of a hook(s) at the top ofthe hoist.idler sprocket: a freely rotating device tha
41、t changesthe direction of the load chain; this device is sometimescalled idler wheel, idler sheave, pocket wheel, or chainwheel (see Fig. 2).lift: the maximum vertical distance through which theload hook can travel, and is the total hook movementbetween its upper limit of travel and its position whe
42、nat the lower limit of travel (see Fig. 1).lifting devices: devices that are not normally reevedonto the hoist ropes, such as hook-on-buckets, magnets,grabs, and other supplemental devices used for handlingCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduct
43、ion or networking permitted without license from IHS-,-,-p. 3 07-16-01 15:18:06 Unit: U1 Textfile: HST5$0001 p. 3PERFORMANCE STANDARD FOR AIR CHAIN HOISTS ASME HST-5-1999FIG. 2 REEVINGcertain types of loads; the weight of these devices isto be considered part of the load to be lifted.lift limiting d
44、evice: a pneumatic, mechanical devicefor limiting the upward or downward travel of the loadhook at the extremities of lift; this device may limitlift at any point within the extremities of lift, if designedto be adjustable.load: the total imposed weight on the load block orload hook including liftin
45、g devices.load block: the assembly of hook or shackle, swivel,bearing, pins, sprocket, and frame suspended by theload chain; this shall include all appurtenances reevedin the load chain.load chain: the load suspension chain in the hoist.load hook: the hook used to connect the load tothe hoist.load s
46、procket: a hoist component that transmits motionto the load chain; this component is sometimes calledload wheel, load sheave, pocket wheel, chain wheel,or lift wheel (see Fig. 2).load suspension parts: the parts providing the meansof suspension (trolley, hook, or lug), the chain, thesprocket(s), the
47、 structure or housing that supports thesprockets, and the load block.3lug-suspended: suspension of the hoist from a trolleyor permanent structure by means of bolt(s) or pin(s)through a rigid or swivel type lug.mechanical braking means: a method of controllingor reducing speed by friction.mechanical
48、load brake: an automatic type of frictionbrake used for controlling loads in a lowering direction;this unidirectional device requires torque from the motorto lower a load, but does not impose additional loadon the motor when lifting a load.minimum radius: the smallest radius of the beam,measured to
49、the center line of the web of the beam,on which the trolley will operate.normal operating conditions: conditions during whicha hoist is performing functions within the scope of theoriginal design.overload: any load greater than the rated load.parts (lines): number of lines of chain supporting theload block or hook.pendant co
