GB/T 18158-2019 English PDF (GBT18158-2019)

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GB/T 18158-2019: Specifications of amusement rides merry-go-round category
GB/T 18158-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.200.40
Y 57
Replacing GB/T 18158-2008
Specifications of amusement rides merry-go-round
category
ISSUED ON: DECEMBER 31, 2019
IMPLEMENTED ON: DECEMBER 31, 2019
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 6 
4 General ... 6 
5 Technical requirements ... 7 
6 Inspection, testing and test requirements ... 12 
7 Accompanying documents, marks, packaging, transport and storage ... 16 
Annex A (informative) Examples of common important shafts (pin shafts) and
important welds ... 18 
Specifications of amusement rides merry-go-round
category
1 Scope
This Standard specifies the general, technical requirements, inspection and test
requirements, accompanying documents, marks, packaging, transport and
storage requirements of merry-go-round amusement ride.
This Standard is applicable to merry-go-round amusement ride.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 191, Packaging and storage marks
GB 8408, Large-scale amusement device safety code
GB/T 8923 (all parts), Preparation of steel substrates before application of
paints and related products - Visual assessment of surface cleanliness
GB/T 9286-1998, Paints and varnishes - Cross cut test for films
GB/T 13384, General specifications for packing of mechanical and electrical
product
GB/T 13912, Metallic coatings - Hot dip galvanized coatings on fabricated
iron and steel articles - Specifications and test methods
GB/T 16855.1, Safety of machinery-Safety-related parts of control systems-
Part 1: General principles for design
GB/T 20306, Amusement devices terminology
GB/T 20438 (all parts), Functional safety of electrical / electronic /
programmable electronic safety-related systems
GB/T 34370 (all parts), Nondestructive testing of amusement equipment
5.1.3 For amusement facilities accompanied by an adult, the design of the
rotating platform shall consider the impact of the accompanying adult on the
platform structure.
5.1.4 Multi-layer merry-go-round amusement ride shall be calculated for
structural stability. Mobile merry-go-round amusement ride shall be calculated
for preventing sideslip.
5.1.5 Important shafts (pin shafts) that are difficult to inspect and detect shall
be designed for infinite life.
5.2 Machinery and structure
5.2.1 For merry-go-round amusement ride that uses peripheral transmission,
the track surface shall be smooth. The gap at the butt joint of the track shall not
be greater than 2mm. The height difference shall not exceed 1mm.
5.2.2 For merry-go-round amusement ride that uses peripheral transmission,
the orbit shall be smooth. There shall be no abnormal shaking during operation.
The ride body shall not have abnormal vibration.
5.2.3 For merry-go-round amusement ride that uses peripheral transmission,
the driving wheel and load wheel shall have proper pressure on the track
surface. There is no obvious deviation of the trajectory of the driving wheel and
the bearing wheel relative to the track position. The gap between the guide
wheel and the track shall be adjusted properly.
5.2.4 The rotating platform shall be a plane structure. Anti-slip measures shall
be provided. It shall not set up steps. When the special seat type requires steps,
it shall not be more than 2 steps.
5.2.5 The gap between the rotating platform and the fixed part, in the horizontal
direction, shall not be greater than 30mm. If the rotating platform is higher than
the fixed part, the vertical clearance shall be appropriate and protective
measures shall be provided.
5.2.6 For merry-go-round amusement ride that has passenger restraint device,
the safety distance is not less than 500mm outside the inner surface of the seat.
For amusement rides without fences and passenger restraints on the rotating
platform, the safety distance is not less than 500mm from the outermost side of
the rotating platform. For merry-go-round series, during operation, the vertical
distance between the surface of the rider seat and the obstacle above shall not
be less than 1400mm. The vertical distance between the bottom surface and
the rotating platform shall not be less than 90mm. For rotating cup series, the
distance between the outer railing and the outermost side of the cup shall be
greater than the maximum outer diameter of the cup.
effectively. Ride-on seats shall be able to ensure that passengers can ride
effectively, and both feet can effectively pedal the pedal device.
5.3.4 For merry-go-round series, there shall be enough space next to the riding
seat for children to stand under the supervision of adults. The minimum distance
between riding seats shall not be less than 400mm. Riding seats shall transition
smoothly throughout. The riding device shall move up and down, forward and
backward, and shall not crush or pinch passengers.
5.3.5 For rotating cup series, rotating express series or other types of merry-
go-round series that are at risk of being thrown out by passengers, the cockpit
shall be equipped with barriers to ensure that passengers cannot be thrown out
or slide out.
5.3.6 In accordance with acceleration zone requirements in GB 8408, the
merry-go-round series with acceleration in area 4 or area 5, shall be equipped
with two independent passenger restraint devices or a fail-safe passenger
restraint device. The locking device shall be redundant and easy to check.
5.4 Electrical control system
5.4.1 Safety-related electrical control systems shall comply with the fail-safe
principle. When the system has faults such as signal acquisition error, control
line disconnection, power supply line disconnection or short circuit, the system
shall be guided to safety.
5.4.2 The selection of safety components of the control system shall meet the
requirements of GB/T 16855.1. The selection of hardware and software in the
electrical and electronic programmable devices of the control system shall meet
the requirements of GB/T 20438.
5.4.3 For merry-go-round series amusement ride, when the rotating platform of
the multi-layer merry-go-round allows independent rotation, a separate control
mode shall be set. A safety confirmation button shall be set when the rotating
platform on the second floor and above starts and start interlocking with the
device. The entrance and exit of the rotating platform shall be able to
automatically align with the entrance and exit of the stairs when it stops
automatically.
5.4.4 In accordance with acceleration zone requirements in GB 8408, for the
merry-go-round series with acceleration in area 4 or area 5, the passenger
restraint device shall be set to close and lock and the equipment start interlock
function.
5.4.5 The exposed current collector shall take waterproof measures or have a
waterproof function to meet the requirements for use under exposed conditions.
5.7.3 The merry-go-round series with the designed acceleration zones as area
3, area 4, and area 5 shall undergo acceleration test. The test value is not m...