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WHT28-2007 PDF English

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WHT28-2007: Mechanical Equipment on Stages - Upper Stage - Safety Requirements
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WHT28-2007: Mechanical Equipment on Stages - Upper Stage - Safety Requirements

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WH CULTURAL INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Reference No.. 20729-2007 Mechanical Equipment on Stages – Upper Stage - Safety Requirements Issued on: MAY 9, 2007 Implemented on: JUNE 1, 2007 Issued by. Ministry of Culture of the People's Republic of China 3. No action is required - Full-copy of this standard will be automatically & immediately delivered to your EMAIL address in 0~60 minutes.

Table of Contents

Foreword ... 4 1 Scope ... 5 2 Normative references ... 5 3 Mechanical equipment ... 6 3.1 Example for composition of mechanical equipment on upper stage ... 6 3.2 Structural part ... 6 3.3 Wire-rope ... 9 3.4 Chains ... 12 3.5 Pulley assembly ... 13 3.6 Drive pulley ... 14 3.7 Reel components ... 15 3.8 Drive device ... 15 3.9 Motor ... 16 3.10 Speed reducer ... 17 3.11 Brake ... 17 3.12 Protective device ... 17 3.13 Balance weight ... 18 3.14 Guide rail ... 18 4 Electrical equipment and control systems ... 18 4.1 General ... 18 4.2 Selection of electrical equipment ... 19 4.3 Power supply ... 19 4.4 Actual environment and operating conditions ... 19 4.5 Power supply and equipment separation and disconnection ... 20 4.6 Electric shock protection ... 20 4.7 Protection of electrical equipment ... 21 4.8 Voltage balance ... 21 4.9 Control circuit and control functions ... 22 4.10 Safety functions and control functions under fault conditions ... 23 4.11 Emergency shutdown and emergency power off function ... 27 4.12 About wireless control... 29 4.13 Programmable electronic / electrical system ... 29 4.14 Programmable control system (E / PES) used for safety-independent functions ... 30 4.15 Electrical components... 30 4.16 Wires and cables ... 31 4.17 Wiring technology ... 31 4.18 Protective devices for mechanical brakes ... 32 4.19 Interconnection of mechanical electrical devices ... 32 Annex A (Informative) References standards and specifications ... 33 Annex B (Normative) Rod use information ... 35

Foreword

This Standard was formulated by referring to the German standard DIN 56950 Entertainment technology - Machinery installations and Part 1 and 2 of the Austrian standard ÖNORM M9630 Automatic stage equipment - Part 1. General information and Automatic stage equipment - Part 2. Overhead stage machinery, combining with the actual situation of China's stage machinery industry. This Standard was drafted in accordance with the rules given in GB/T 1.1-2009 Directives for standardization - Part 1. Structure and drafting of standards. Annex A of this Standard is informative. Annex B is normative. This Standard was proposed by and shall be under the jurisdiction of Ministry of Culture of the People 's Republic of China. Main drafting organizations of this Standard. China Performing Arts Equipment Technology Association Performance Venues Equipment Professional Committee, General Equipment Department Engineering Design Research Institute. The drafting organizations of this Standard. Gansu Polytechnic University Machinery Factory (Gansu Gongda Stage Equipment Research Institute), Zhejiang Stage Design & Research Institute Ltd. Main drafters of this Standard. Zheng Hui, Du Ankun, Sun Yadu, Gong Kuicheng, Wu Jiantong, Chang Song, Xu Qi, Wei Fakong, Song Hong. Mechanical Equipment on Stages – Upper Stage - Safety Requirements

1 Scope

This Standard is the basic safety technical specification for mechanical equipment on upper stages. This Standard applies to the mechanical equipment on upper stages installed in various performance venues including theater, multi-function hall, exhibition hall, TV studio, concert hall, auditorium, gymnasium, bar, discotheque and amphitheater, etc. In addition to the stage, the auditorium is also a performance venue so this Standard is also applicable. This Standard does not apply to the mechanical equipment on stage for temporary use and used for acrobatics.

2 Normative references

The following standards contain the provisions which, through reference in this Standard, constitute the provisions of this Standard. For dated references, subsequent amendments (excluding corrections) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Standard. GB/T 3811-198, Design rules for cranes GB/T 6067-1985, Safety rules for lifting appliances GB/T 5905-1986, Cranes - test code and procedures GB 50052-1995, Code for design of electric power supply systems GB 5226.1-2002, Safety of machinery - Electrical equipment of machines - Part 1. General requirements GB/T 16855.1-2005, Safety of machinery - Safety-related parts of control systems - Part1. General principles for design GB 16754-1997, Safety of machinery - Emergency stop Principles for design GB/T 15706.1-1995, Safety of machinery - Basic concept, general principles for design - Part 1. Basic terminology, methodology GB/T 15706.2-1995, Safety of machinery - Basic concepts, general principles for design - Part 2. Technical principles and specifications GB 19517-2004, National safety technical code for electric equipment GB 5083-1999, General rules for designing the production facilities in accordance with safety and health requirements GB 50169-1992, Code for construction and acceptance of earthed device electric equipment installation engineering GB 1408.5-2001, Low-voltage switchgear and control gear control circuits - Electrical and switching elements - Part 1. Electromechanical control circuits - Electrical appliances GB 4824-2004, Industrial, scientific and medical (ISM) radio-frequency equipment - Electromagnetic disturbance characteristics- - Limits and methods of measurement GB/T 15543-1995, Quality of electric energy supply - Admissible three-phase voltage unbalance factor GB/T 17626.1-1998, Electromagnetic compatibility - Testing and measurement techniques - Overview of immunity tests CECS 49-1993, Code for the reception criterion for Low-voltage switchgear assemblies

3 Mechanical equipment

3.1 Example for composition of mechanical equipment on upper stage The example for composition of mechanical equipment on upper stage is as shown in Figure 1. 3.2 Structural part 3.2.1 Construction requirements 3.2.1.1 The structural design of the main bearing structure shall be simple, with clear force, with direct force and shall try to reduce the impact of stress concentration. composite truss structure. The wall thickness of main tube shall not be less than 2.5 mm. The rods shall be straight, without distortion or deformation. 3.2.5.2 When confirming the rod structure, it shall note that the deflection between... ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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