Standard No.:	GB/T 18158-2008
English Name:	Specifications of Amusement Rides Merry Go Round Category
Chinese Name:	转马类游艺机通用技术条件
Chinese Classification:	Y57    Toys
Professional Classification:	GB    National Standard
ICS Classification:	97.200.40 97.200.40    Playgrounds 97.200.40
Issued by:	AQSIQ, SAC
Issued on:	2008-08-12
Implemented on:	2009-5-1
Status:	superseded
Superseded by:	GB/T 18158-2019 Specifications of amusement rides merry-go-round category
Superseded on:	2019-12-31
Superseding:	GB 18158-2000 Specifications of amusement rides merry go round category
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard replaces GB 18158-2000 "Specifications of Amusement Rides Merry Go Round Category". Being compared with the former standard, this standard changes mainly in the following aspects: —— In Chapter "Scope", the design, manufacturing, installation, reconstruction, maintenance, test, inspection and usage management of amusement-rides merry go round category are specified. ——To add the following chapters: Chapter 5 "Transmission System", Chapter 6 "Electrical and Control System", Chapter 7 "Track, Vertical Axle and Turntable Platform", Chapter 8 "Person Carrier", Chapter 9 "Safety Apparatus" and Chapter 10 "Manufacturing and Installation"; —— To amend "Technical Requirements" in the former standard into Chapter 4 "Basic Design Provisions" in this standard; to add various loads which shall be considered during design; to add design calculation: including the calculation of stress, rigidity and fatigue strength etc.; —— Chapter 6 "Electrical and Control Systems" is mainly changed in the following aspects: to add the requirements which electrical and control systems as well as programmable controller (if adopted) shall meet; to add requirements to a transformer; —— In Chapter 7 "Track, Vertical Axle and Turntable Platform", detailing requirements for track and vertical axle are added. —— to add requirements for foot-operation devices and tie-down safety devices in Chapter 8 "person carrier"; —— To add requirements for warning labels in Chapter 9 "safety apparatuses"; —— To add to two serious product defects in Chapter 12: without emergency button and with unexpected button type; damaged and failed safety handles and safety belts; —— To add Annex A (Normative) on the explanations of "main components", "important axles, axle pins" and " important welded joints" Annex A of this standard is normative. This standard is proposed and under the jurisdiction of National Technical Committee on Cableway, Entertainment Machine and Play Facilities of Standardization Administration of China. Drafting organizations: National Technical Committee on Cableway, Entertainment Machine and Play Facilities of Standardization Administration of China, China Special Equipment Inspection and Research Institute, Guangdong Chimelong Group Co. Ltd., Zhongshan Golden Horse Amusement Equipment Co., Ltd. and Liaoning Provincial Institute of Safety Science Chief drafting staffs: Xu song, Xiao Yuan, Jiang Minling, Liu Xiwang, Zhang Yong, Long Jianyang, Zhang Xuyu, Wang Qituo, Cao Yuting and Zhangyang. All the former editions of this standard are: ——GB 18158—2000. 1 Scope This standard specifies the general technical conditions and requirements for amusement-rides merry go round category. This standard is applicable to the design, manufacturing, installation, reconstruction, maintenance, test, inspection and usage management of amusement-rides merry go round category. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent modification to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. Or undated references, the latest edition of the normative document referred to applies. GB/T 1447 Fiber-reinforced plastics composites-Determination of tensile properties GB/T 1449 Fiber-reinforced plastic composites-Determination of flexural properties GB/T 1451 Fiber-reinforced plastics composites—Determination of charpy impact properties GB 5226.1 Safety of machinery—Electrical equipment of machines—Part 1: General requirements (GB 5226.1—2002, IEC 60204-1:2000, IDT) GB 8408—2008 Amusement device safety code GB/T 15706(All parts) Safety of machinery- Basic concepts general principles for design GB 16754—1997 Safety of machinery—Emergency stop-Principles for design (GB 16754—1997, eqv ISO/IEC 13850: 1995) GB/T 16855.1 Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (GB/T 16855.1—2005, ISO 13849-1:1999, MOD) GB/T 20438 (All parts) Functional safety of electrical/electronic/programmable electronic safety-related systems GB/T 50017—2003 Code for design of steel structures GB/T 50231—1998 General code for construction and acceptance of mechanical equipment installation engineering 3 General Provisions 3.1 Amusement-rides merry go round category refers to the one whose person carrier rotates around vertical axle and whose movement type is similar to amusement rides. 3.2 The design, manufacture, installation, reconstruction, maintenance, test, inspection and usage management of amusement rides in rotation category shall meet the provisions stated in this standard and GB 8408-2008. 3.3 The design, manufacture, installation and usage of amusement-rides merry go round category shall guarantee personal safety. 3.4 All those requirements not mentioned in this standard shall be implemented according to relevant national standards, regulations and codes. 4 Basic Design Provisions 4.1 Basic requirements 4.1.1 For the design of amusement-rides merry go round category, design instruction, calculation sheet and operation instruction shall be provided; in addition, the design shall meet the requirements of the full set of construction drawings of relevant national standards. 4.1.2 During the design of amusement-rides merry go round category, the design service life of its main components and complete machine shall be specified; what's more, the service life of the complete machine shall not be less than 23000 hours. 4.1.3 Design of amusement-rides merry go round category shall meet the provisions specified in GB 8408-2008 and GB/T 15706 (all parts). 4.2 Loads of amusement-rides merry go round category load shall the provisions in Article 4.2 of GB 8408-2008. 4.2.1 Loads include permanent load (Gr) and variable load (Qk). Impact coefficients are selected according to Table 1 in GB 8408-2008. 4.3 Uniformly distributed and movable loads in personnel activity region shall meet the provisions stated in Article 4.3 of GB 8408 - 2008. 4.4 Design calculation shall meet the provisions stated in Article 4.5 of GB 8408 - 2008. 4.4.1 Corresponding calculation for the design of amusement-rides merry go round category shall be carried out in accordance with specific structures, for instance: stress calculation, rigidity calculation and fatigue strength calculation. 4.4.2 As for important axles and axle pins, in addition to stress calculation, whether the fatigue strength shall be checked is determined in accordance with load stress amplitude. Both stress calculation and fatigue strength checking shall meet the requirements of the safety coefficients given in Article 4.5 of GB 8408-2008. Those important axles and axle pins being difficult to dismantle shall be designed according to infinite lift. 4.4.3 Design indexes of steel structures and their connections shall meet the provisions in Article 3.4 of GB 50017-2003. 4.4.4 Fatigue calculation of steel structures and their connections shall meet the provisions stated in Chapter 6 of GB 50017-2003. 4.4.5 Corresponding calculations for movable amusement-rides merry go round category shall be carried out according to Article 4.5.5, 4.5.6 and 4.5.7 in GB 8408 - 2008. 4.5 Foundation shall meet the requirements in Article 8.8 of GB 8408-2008. 4.6 As for amusement-rides merry go round category, labels shall be fixed in notable positions and the labels shall include the name, model, No., manufacturing date and manufacturing license No. of the product at least. 4.7 The requirements of "main components", "important axles, axle pins" and "important welded joints" are specified in Annex A. 5 Transmission System 5.1 Design of transmission system shall guarantee operation safety; even if system fails, the amusement-rides merry go round category shall be safe. 5.2 Amusement-rides merry go round category shall be started stably and the transmission mechanism shall operate normally. During complete machine operation, those phenomena such as abnormal vibration, impact, heating, noise and clamping are not allowed. 5.3 Machine transmission part shall meet the requirements stated in Article 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6 and 5.3.7 in GB 8408 - 2008. As for the driving wheels for which peripheral transmission is adopted, supporting wheel pressure to track surface shall be adjusted properly; what's more, the travel ling path of driving wheels and supporting wheels shall not shift from the track obviously. 5.4 Mechanical transmission system shall be stable and reliable. The installation accuracy and measuring method of such system shall meet the requirements stated in GB 50231 - 1998. 5.5 Fluid pressure and pneumatic system of amusement-rides merry go round category shall meet the requirements specified in Article 5.4 of GB 8408 - 2008. 5.6 Brake gear of amusement-rides merry go round category shall meet the provisions stated in Articles 7.7.1, 7.7.2, 7.7.3, 7.7.4 and 7.7.5 of GB 8408 - 2008; in addition, during normal operation, the stop time shall not be greater than 60 seconds.

Foreword I 1 Scope 2 Normative References 3 General Provisions 4 Basic Design Provisions 5 Transmission System 6 Electrical and Control Systems 7 Track, Vertical Axle and Turntable Platform 8 Person Carrier 9 Safety Apparatuses 10 Manufacturing and Installation 11 Test Methods 12 Inspection Rules Annex A (Normative) Provisions on "Main Components", "Important Axles, Axle Pins" and "Important Welded Joints"