JB/T 9008.1-2014Electric Wire Rope Hoists - Part 1: Types and Basic Parameter, Specification (English PDF)

Foreword

JB/T 9008 "Electric wire rope hoist" is composed of the following two parts.

- Part 1. Type and basic parameter, specification;

- Part 2. Test methods.

This part is Part 1 of JB/T 9008 "Electric wire rope hoist".

This part was drafted in accordance with the rules given in GB/T 1.1-2009.

This part replaces JB/T 9008.1 -2004 "Electric wire rope hoists - Part 1: Types and basic parameter, specification". As compared with JB/T 9008.1-2004, the main technical changes are as follows.

- ADD the environment to which this part is not applicable (SEE Chapter 1).

- MODIFY the contents of the normative references (SEE Chapter 2).

- MODIFY terms and definitions (SEE Chapter 3).

- MODIFY the type division of electric hoist (SEE 4.1);

- MODIFY the rated capacity, starting speed and operating speed of the basic parameters (SEE 4.2.2, 4.2.4, 4.2.5).

- MODIFY the rated voltage of the main circuit of the electric hoist (SEE 5.1.1);

- ADD the relevant requirements for the electric hoist for molten metal (SEE 5.1.2, 5.3.15, 5.4.1.2, 5.4.1.5, 5.7.2, 5.7.3, 5.7.5.18, etc.).

- ADD the safety distance of the hook (SEE 5.3.13).

- ADD the energy efficiency requirements for electric hoist and motor (SEE 5.3.14 and 5.7.4.17);

- ADD the relevant requirements for electric protection and motor protection (SEE 5.7.5.1, 5.7.5.3).

- DELETE the quality warranty period of the original standard.

1 Scope

This part of JB/T 9008 specifies the terms and definitions, type and basic parameters, technical requirements, inspection rules, marking, packaging, transportation and storage of electric wire rope hoists.

This part applies to the electric wire rope hoists used for general working environment OR lifting molten metal (hereinafter referred to as electric hoist);

AND the electric hoists used for other environments can make reference to this part.

This part does not apply to electric hoists used in the following environments.

- Explosive gas, combustible dust and corrosive gas environment;

- Nuclear radiation environment, toxic gas environment.

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document.

GB 755-2008 Rotating electric machines - Rating and performance

GB/T 783 Lifting appliances - Range of maximum capacities for basic models

GB/T 3797-2005 Electric control assembles

GB/T 3811-2008 Design rules for cranes

GB/T 4205 Basic and safety principles for man-machine interface (MMI), marking and identification - Actuating principles

GB 4208-2008 Degree of protection provided by enclosure (IP code)

GB/T 4942.1 Degree of protection provided by the integral design of rotating electric machined (IP code) - Classification

GB 5226.1-2008 Electric safety of machinery - Electric equipment of machines - Part 1: General requirements

GB 5226.2-2002 Safety of machinery - Electric equipment of machines - Part 32: Requirements for hoisting machines

GB 6067.1 Safety rules for lifting appliances - Part 1: General

GB 8918 Steel wire ropes for important purposes

GB/T 9286 Paint and varnishes - Cross cut test for films

GB/T 10051.1 Lifting hooks - Part 1: Mechanical properties, lifting capacities, stresses and materials

GB/T 13306 Plate

GB/T 13384 General specifications for packing of mechanical and electric product

GB 14048.1-2012 Low-voltage switchgear and controlgear - Part 1: General rules

GB/T 20118 Steel wire ropes for general purpose

JB/T 3907 Machine tool electric apparatus - Push button switches

JB/T 9008.2-2015 Electric wire rope hoist - Part 2: Testing method

3 Terms and definitions

The following terms and definitions apply to this document.

5 Technical requirements