1 Subject Content and Application Scope
This standard specifies the mandatory basic rules and calculation method for the design calculation of construction winches.
This standard is applicable to the construction winches (hereafter referred to as winches) used in electric-motor-driven construction and installation works.
Contents
1 Subject Content and Application Scope
2 Normative References
3 General Rules
4 Spare Parts
5 Total Gear Ratio of Winch
6 Electricity and Safety Protection
Appendix A Calculation Method for the Wall and Side Plate of Drum (Additional)
Appendix B Typical Loading Spectrum Diagram (Reference)
Appendix C Number of Starts and Power Continuance Rate Each Hour under Different Classes (Reference)
Appendix D Motor Capacity Overload Verification (Reference)
Appendix E Heating Verification of Asynchronous Motor (Reference)
Appendix F Brake Design and Calculation Methods (Informative)
Appendix G Clutch Design and Calculation Methods (Informative)
Appendix H Ratchet Wheel Stopper Design and Calculation Methods (Informative)
Appendix I [ p] and [pν] Values of Sliding Bearing Common Material (Informative)
Additional Information
Standard
JG/T 5031-1993 Design rules for construc tion winches (English Version)
1 Subject Content and Application Scope
This standard specifies the mandatory basic rules and calculation method for the design calculation of construction winches.
This standard is applicable to the construction winches (hereafter referred to as winches) used in electric-motor-driven construction and installation works.
Contents of JG/T 5031-1993
Contents
1 Subject Content and Application Scope
2 Normative References
3 General Rules
4 Spare Parts
5 Total Gear Ratio of Winch
6 Electricity and Safety Protection
Appendix A Calculation Method for the Wall and Side Plate of Drum (Additional)
Appendix B Typical Loading Spectrum Diagram (Reference)
Appendix C Number of Starts and Power Continuance Rate Each Hour under Different Classes (Reference)
Appendix D Motor Capacity Overload Verification (Reference)
Appendix E Heating Verification of Asynchronous Motor (Reference)
Appendix F Brake Design and Calculation Methods (Informative)
Appendix G Clutch Design and Calculation Methods (Informative)
Appendix H Ratchet Wheel Stopper Design and Calculation Methods (Informative)
Appendix I [ p] and [pν] Values of Sliding Bearing Common Material (Informative)
Additional Information
