1 Scope
This Part specifies the basic test requirements and test types of the electric wire rope hoists for general purpose as well as the testing methods for the tests.
This Part is mainly applicable to the electric wire rope hoists for general purpose (hereinafter referred to as "electric hoists") and takes designed working grade of product as the base condition of test. The electric hoists for other special purposes may also be adopted by making reference to this Part.
2 Normative References
The following documents contain provisions which, through reference in this Part of JB/T 9008, constitute provisions of this Part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Part are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest editions of the normative documents are applicable to this Part.
Contents
Foreword II
1 Scope
2 Normative References
3 Basic Requirements of Test
4 Testing Contents and Methods for Electric Hoists
4.1 Delivery Inspection (Test)
4.2 Type Test
4.3 Life Test
5 Testing Contents and Methods for Motors
5.1 Delivery Inspection (Test)
5.2 Type Test
6 Testing Contents and Methods for Electric Control Equipments and Limiting Stoppers
6.1 Delivery Inspection (Test)
6.2 Type Test
Appendix A (Normative) Load Duration Factor Fc (%) and Equivalent Start Number of Motor, and Cycle period, Operating Cycle, Operating Mode, Test Load and Operating Hour of Lifting Mechanism at Different Working Grades
Appendix B (Normative) Impact and Drop Reliability Tests of Push-button Device
B.1 Impact Reliability Test
B.1.1 Test Purposes
B.1.2 Brief Introduction to Equipment
B.1.3 Testing Method
B.2 Drop Reliability Test
B.2.1 Test Purposes
B.2.2 Brief Introduction to Equipment
B.2.3 Testing Method
