ASME HST 1 2012

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ASME HST-1 Performance Standard for Electric Chain Hoists

Published By	Publication Date	Number of Pages
ASME	2012	32

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Description

This Standard establishes performance requirements for electric chain hoists for vertical lifting service involving material handling of freely suspended (unguided) loads using load chain of the roller or welded link types with one of the following types of suspension: (1) lug; (2) hook or clevis; (3) trolley. This Standard is applicable to hoists manufactured after the date on which this Standard is issued. It is not applicable to: (1) damage or malfunctioning hoists; (2) hoists that have been misused or abused; (3) hoists that have been altered without authorization of the manufacturer or a qualified person; (4) hoists used for lifting or supporting people; (5) hoists used for the purpose of drawing both the load and hoist up or down the hoist’s own load chain(s); and (6) hoists used for marine and other applications as required by the Department of Defense (DOD). The standard includes an appendix on Electric Chain Hoists used in marine and other applications as required by the Department of Defense (DOD)

PDF Catalog

PDF Pages	PDF Title
5	CONTENTS
6	FOREWORD
7	ASME HST COMMITTEE Hoists — Overhead
8	CORRESPONDENCE WITH THE HST COMMITTEE
9	ASME HST-1-2012 SUMMARY OF CHANGES
11	PERFORMANCE STANDARD FOR ELECTRIC CHAIN HOISTS Chapter 1-0 Scope, Definitions, References, and Appendices SECTION 1-0.1: SCOPE SECTION 1-0.2: DEFINITIONS
12	Figures Fig. 1-0.2-1 Headroom, Lift, and Reach
13	Fig. 1-0.2-2 Reeving
14	SECTION 1-0.3: REFERENCES SECTION 1-0.4: APPENDICES
15	Chapter 1-1 Performance SECTION 1-1.1: GENERAL SECTION 1-1.2: HOIST DUTY SERVICE CLASSIFICATION 1-1.2.1 General Considerations SECTION 1-1.3: DUTY CLASSIFICATION 1-1.3.1 Operational Time Ratings
16	1-1.3.2 Mean Effective Load 1-1.3.3 Randomly Distributed Loads Tables Table 1-1.3-1 Duty Classifications
17	SECTION 1-1.4: APPLICATION ANALYSIS 1-1.4.1 General 1-1.4.2 Fundamental Application Analysis 1-1.4.3 Detailed Application Analysis SECTION 1-1.5: SPECIFICATION OF LIFT, HEADROOM, AND REACH 1-1.5.1 Lift 1-1.5.2 Headroom 1-1.5.3 Reach SECTION 1-1.6: SPEEDS, HOIST, AND TROLLEY SECTION 1-1.7: TROLLEYS 1-1.7.1 Plain Trolleys 1-1.7.2 Hand Chain Operated Trolleys 1-1.7.3 Motor-Driven Trolleys
18	1-1.7.4 Trolley Wheels 1-1.7.5 Current Conductor Systems SECTION 1-1.8: OVERLOAD LIMITING DEVICE SECTION 1-1.9: PULL CORD CONTROL SECTION 1-1.10: TYPICAL HOIST AND TROLLEY INQUIRY DATA Table 1-1.6-1 Typical Hoist and Motorized Trolley Speeds
19	Form Form 1-1.10-1 Typical Hoist and Trolley Inquiry Data Form
21	NONMANDATORY APPENDIX A PERFORMANCE REQUIREMENTS FOR ELECTRIC CHAIN HOISTS USED IN MARINE AND OTHER APPLICATIONS AS REQUIRED BY THE U.S. DEPARTMENT OF DEFENSE DOD A-1 GENERAL A-1.1 Scope A-1.2 Classification A-1.3 Definitions A-1.4 References to Other Codes and Standards
22	A-2 PERFORMANCE REQUIREMENTS A-2.1 General A-2.2 Application A-2.3 Characteristics A-2.3.1 Weight and Dimensions. A-2.4 Emergency Manual Operation A-2.4.1 Hand Chain. A-2.5 Load Positioning Control A-2.6 Lubrication A-2.7 Painting A-2.8 Workmanship A-2.9 Interchangeability
23	A-3 MECHANICAL REQUIREMENTS A-3.1 Design Stresses A-3.2 Load Hooks A-3.2.1 Range of Load Hooks. A-3.3 Construction A-3.3.1 Load Chain. A-3.3.2 Gearing. A-3.3.3 Overtravel Protection. A-3.3.4 Overload Protection. A-3.3.5 Load-Chain Container. A-3.3.6 Trolley Track. A-3.4 Type I Electric Chain Hoist, Lug Suspension, Double-Acting A-3.4.1 Double-Acting Feature. A-3.4.2 Control Stations. A-3.5 Type II Electric Chain Hoist, Lug Suspension, Single-Acting A-3.5.1 Control Stations.
24	A-3.6 Type III Electric Chain Hoist, Parallel or Right Angle Geared or Plain Trolley Suspension A-3.6.1 Trolleys. A-3.6.1.1 Trolley Wheels. A-3.6.1.2 Trolley Equalizers. A-3.6.1.3 Trolley Track Clamps. A-3.6.2 Cable Reel. A-3.6.3 Control Stations. A-3.7 Type IV Electric Chain Hoist, Two-Wheel Tandem Trolley Suspension A-3.7.1 Load-Lifting Medium. A-3.7.2 Hoist Trolley. A-3.7.3 Trolley Connection to Hoist. A-3.7.4 Control Station. A-3.8 Type V Electric Chain Hoist, Hook Suspension A-3.8.1 Mounting. A-3.8.2 Control Stations. A-3.9 Type VI, Electric Chain Hoist, Powered Trolley Suspension A-3.9.1 Hoist Trolley Connection. A-3.9.2 Load Attachment Device. A-3.9.3 Power-Operated Trolley. A-3.9.4 Positive Traversing Feature.
25	A-3.9.5 Hoist and Trolley Control Station. A-3.10 Chain Guides A-3.11 Material A-3.11.1 Recycled, Recovered, or Environmentally Preferable Materials. A-3.11.2 Prohibited Material. A-3.11.3 Cast Iron. A-3.11.4 Aluminum. A-4 ELECTRICAL A-4.1 General A-4.1.1 Hazardous Locations. A-4.2 Electrical Equipment Characteristics A-4.2.1 Motors. A-4.2.2 Hoist Brakes. A-4.2.3 OperatorŒs Control Station. A-4.2.4 Lower Limit Switch. A-4.2.5 Control Enclosures. A-4.2.6 Speed Governor.
26	A-4.2.7 Electromagnetic Interference and Compatibility. A-5 TESTING, MARKING, AND DATA A-5.1 Testing A-5.1.1 High Impact Shock. A-5.1.2 Load. A-5.1.2.1 Static Load. A-5.1.2.2 Dynamic Load. A-5.1.3 Operating. A-5.1.4 Manual Operation. A-5.1.5 Electromagnetic Interference Measurements. A-5.1.6 Geared Trolley Traverse.
27	A-5.1.7 Track Clamp. A-5.1.8 Fleet Angle. A-5.1.9 Trolley Test for Type IV Hoist. A-5.1.10 Mounting Hook for Type V Hoist. A-5.1.11 Trolley for Type VI Hoist. A-5.1.12 Endurance. A-5.2 Marking A-5.2.1 Identification. A-5.3 Data A-5.3.1 Technical Manuals.
28	A-6 TYPICAL HOIST INQUIRY DATA A-6.1 Acquisition
29	NONMANDATORY APPENDIX B TYPICAL EXAMPLES OF HOIST CLASS SELECTION B-1 TYPICAL EXAMPLES OF HOIST CLASS SELECTION B-1.1 Example No. 1 B-1.2 Example No. 2 B-1.3 Example No. 3 B-1.4 Example No. 4 B-1.5 Example No. 5
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