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GB 8408-2008 English PDF (GB8408-2008)

GB 8408-2008 English PDF (GB8408-2008)

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GB 8408-2008: [Newer GB 8408-2018] Amusement device safety code

This Standard specifies the technical requirements and safety requirements of amusement devices. This Standard is applicable to the design, manufacturing, installation, reconstruction, maintenance, inspection, application, management and supervisory management of amusement devices.
GB 8408-2008
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 97.200.40
Y 57
Replacing GB 8408-2000
Amusement Device Safety Code
ISSUED ON. FEBRUARY 14, 2008
IMPLEMENTED ON. AUGUST 1, 2008
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine (GAQSIQ);
Standardization Administration (SAC) of the People's
Republic of China.
Table of Contents
1 Scope ... 7
2 Normative References ... 7
3 General ... 8
4 Basic Design Specification... 9
5 Driving System ... 20
6 Electricity ... 23
7 Safety Requirements and Safety Devices ... 25
8 Manufacturing and Installation ... 31
9 Application and Management ... 40
Appendix A (Informative) Examples for Load Calculation of the Hanging
Shaft of Brave Turntable... 44
Appendix B (Normative) Description to the "Name" Column in Table 2
... 46
Appendix C (Informative) Examples for Calculation of Speed and
Acceleration of Coaster ... 47
Appendix D (Informative) Calculation of the Cross Dip of Rail ... 49
Foreword
In this Standard, 4.2.2.1, 4.2.3.2, 4.5.2, 4.6, 4.7, 5.3.8, 6.2, 6.3, 6.4.1, 6.4.4, 6.4.6, 6.6(excluding 6.6.5), 7.1.1, 7.2, 7.3, 7.4, 7.6.1, 7.9.3, 7.10.6, 7.10.9, 8.13.5 and 9.2 are compulsory, and the rest are voluntary.
This Standard is the revision of GB 8408-2000. The main changes of this revision include.
a) The name of the former standard "Safety of Amusement Machines and
Amusement Park Equipment" was changed into "Amusement Device Safety
Code".
b) Chapter 3 "General".
?€? Definition of "amusement device" was added;
?€? Article 3.3 of the former standard was deleted.
c) Chapter 4 "Basic Requirements" of the former standard was deleted; this chapter, together with the relevant clauses in Chapter 5 of the former standard, was included in the relevant chapters of the revised standard.
d) Three chapters was added in the revised standard.
?€? Chapter 5 ?€?Driving System?€?;
?€? Chapter 6 ?€?Electricity?€?;
?€? Chapter 7 ?€?Safety Requirements and Safety Devices?€?.
e) The provisions on the speed and inclination angle of rotating amusement devices in Table 1 and Table 2 were deleted in the former standard; in which, significant modifications were made to the dynamic load factor (revised to "impact factor").
f) Chapter 5 "Design" in the former standard was revised into Chapter 4 "Basic Design Specifications".
The following contents were added in this chapter.
?€? Loads of amusement devices. including various loads and the
combinations to be considered in the design;
?€? Design calculation. including stress, fatigue strength, rigidity, stability, overturning and sideslip calculation, etc.;
?€? Various factors. including impact factor, stress and fatigue strength safety factor, safety factor against overturning and sideslip, and friction factor of parts of the materials;
?€? Allowable acceleration value. the allowable values of the vertical, lateral and synthetic acceleration within different duration times were specified. g) Chapter 5 "Driving System". this part includes the mechanical driving system and the hydraulic (pneumatic) driving system.
1) Mainly the following contents of the mechanical driving system are
modified or supplemented.
?€? Requirements on the gear drive were added;
?€? The proportion in diameter of winding drum and pulley with steel wire rope was modified.
2) Mainly the following contents of the hydraulic (pneumatic) driving system are modified or supplemented.
?€? Some provisions on guaranteeing safety of design and component
selection were added;
?€? Provisions on the maximum descent speed of running gear when the
system is in fault were provided;
?€? Provisions on hoses and their assembly were provided;
?€? Requirements on the installation of hydraulic cylinder and the debugging of air charged accumulator and system were added.
h) Chapter 6 ?€?Electricity". mainly the following contents were added or modified. ?€? The design of electrical system shall be correct and reasonable, and shall also meet the requirements of the corresponding national standards and
technical specifications related to electricity;
?€? The design and selection of the electrical and electronic parts and
components and the conductors shall meet the requirements of
corresponding national standards and technical specifications on electricity; ?€? Requirements on adoption of wireless remote control and proximity switch; ?€? Requirements of the selection of residual current protective device;
?€? Requirements on multiple steel wire rope driving;
?€? Modifications in the requirements on lightning grounding;
?€? Grounding type of low-voltage distribution system was modified.
I) Chapter 7 ?€?Safety Requirements and Safety Devices". mainly the following contents were modified or supplemented.
?€? Contents on safety analysis, safety assessment and safety control were added;
?€? The requirements on anti-collision and buffer devices, speed-limiting and stop devices, non-return device, braking device, safety belt and safety lever stated in the former standard were modified, perfected and
supplemented to make them to be more specific;
?€? Safety distance above the people carrying part was specified;
?€? The gap in the vertical direction between the rotating platform and the fixed part were specified;
?€? Requirements on the safety aspect of water amusement device were
added.
j) Chapter 10 ?€?Manufacturing and Installation".
The relevant clauses in the chapter of "Manufacturing and Installation" in the former standard were revised, and this chapter wad brought in and was
supplemented with many contents, and the main supplemented content are
as follows.
?€? Metallic materials and standard parts. including the requirements on the bearing structures and the requirements on forgings and castings;
?€? Nonmetal materials. including the requirements on the mechanical
properties of fiberglass reinforced plastic parts, rubber materials, nylon materials and polyurethane materials;
?€? Processing of important parts;
?€? Structural parts. contents on the division, installation and connection of structural parts were supplemented;
?€? Welding. contents on that the welding shall be adopted with proper
technique and that the fillet welds with variable loads shall adopt the full penetration structure and others were supplemented;
?€? Connection by bolts and axis pins. the values of the allowable pre-
tightening force and tightening torque of high strength bolts were added; ?€? Requirements on the equipment foundation were supplemented;
?€? Requirements on the assembling and installation accuracy were added.
k) Chapter 9 ?€?Application and Management".
?€? Requirements on the periodic inspection and reporting of amusement
devices were added;
?€? Requirements on the emergency accident rescue prediction scheme,
rescue facilities and rescue exercise were added;
?€? Requirements on the retirement of steel wire ropes were added;
?€? Table 7 (allowable values of elongation and abrasion of hoisting chain) and Table 8 (abrasion condition of driving belt) of the former standard were deleted.
l) Appendixes.
?€? Appendix A (Descriptions to Different Parts of Amusement Rides) of the former standard was modified;
?€? Appendix B (Selection and Description of Dynamic Load Factor ) of the former standard was deleted;
?€? Appendix C (Description to the Abrasion Conditions of Steel Wire Ropes) in the former standard was deleted.
The following 4 appendixes were added.
?€? Appendix A (Informative) Load Calculation of the Hanging Shaft of Brave Turntable;
?€? Appendix B (Normative) Description to the "Name" Column in Table 2;
?€? Appendix C (Informative) Examples for Calculation of Speed and
Acceleration of Roller Coaster;
?€? Appendix D (Informative) Calculation of the Cross Dip of Rail.
This Standard was proposed and shall be under the jurisdiction of National Technical Committee on Cableway, Entertainment Machine and Play Facilities of Standardization Administration of China.
Drafting Organizations of this Standard. National Technical Committee on Cableway, Entertainment Machine and Play Facilities of Standardization Administration of China, China Special Equipment Inspection and Research Center, Wenzhou South
Amusement Device General Factory, Zhongshan Golden Horse Amusement
Equipment Co., Ltd., Tianjin Amusement Park, Shanghai Amusement Machine Engineering Co., ltd., Beijing Shibaolai Play Equipment Co., Ltd. AND Zhuji Juma Amusement Equipment Manufacturing Factory.
Chief Drafting Staffs of this Standard. Liu Zhixue, Xing Youxin, Zhang Hongwei, Shen Yong, Mi Xuejin, Deng Jinyong, Wang Youfei, Wang Zhou, Zhang Xiaoyu, Lin Zezhao, Yang HanXiang and Wang Wenqi.
This Standard shall replace GB 8408-2000 from the implementation date.
The previous editions replaced by this Standard are as follows.
?€? GB 8408-1987;
?€? GB 8408-200...

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