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GB/T 41106.4-2021 PDF in English


GB/T 41106.4-2021 (GB/T41106.4-2021, GBT 41106.4-2021, GBT41106.4-2021)
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GB/T 41106.4-2021: PDF in English (GBT 41106.4-2021)

GB/T 41106.4-2021
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.200.40
CCS Y 57
Large-scale Amusement Devices - Inspection, Maintenance
and Repair - Part 4: Sort of Lifting Rides
ISSUED ON: DECEMBER 31, 2021
IMPLEMENTED ON: JULY 1, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3 
Introduction ... 4 
1 Scope ... 6 
2 Normative References ... 6 
3 Terms and Definitions ... 6 
4 General Requirements ... 6 
5 Inspection Items and Requirements ... 6 
6 Maintenance ... 9 
7 Repair ... 9 
Appendix A (informative) Inspection Items, Contents, Requirements and Inspection
Modes of Typical Lifting Rides-type Amusement Devices ... 11 
Appendix B (informative) Maintenance Items, Contents and Requirements of Typical
Lifting Rides-type Amusement Devices ... 22 
Appendix C (informative) Commonly Seen Repair Methods and Requirements for
Lifting Rides-type Amusement Devices ... 24 
Bibliography ... 26 
Large-scale Amusement Devices - Inspection, Maintenance
and Repair - Part 4: Sort of Lifting Rides
1 Scope
This document specifies the basic requirements for the inspection, maintenance and repair of
in-use lifting rides-type large-scale amusement devices.
This document is applicable to in-use lifting rides-type large-scale amusement devices
(hereinafter referred to as lifting rides-type amusement devices), for example, fly towers, etc.
The inspection, maintenance and repair of lifting rides-type small-scale amusement devices
may take this as a reference in the implementation.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 20306 Amusement Devices Terminology
GB/T 41106.1 Large-scale Amusement Devices - Inspection, Maintenance and Repair - Part 1:
General
3 Terms and Definitions
The terms and definitions defined in GB/T 20306 and GB/T 41106.1 are applicable to this
document.
4 General Requirements
In addition to this document, the inspection and maintenance of the lifting rides-type
amusement devices shall also comply with the relevant requirements of GB/T 41106.1.
5 Inspection Items and Requirements
5.1 The inspection items, cycles and requirements for the lifting rides-type amusement devices
shall be determined in accordance with the principles specified in GB/T 41106.1.
d) Drive (transmission) system: inspect the motors, reducers, open gears, triangle belts,
chain drives, pin gear drives, drive wheels and connecting bolts for temperature rise,
abnormal noise, wear, fastening and working conditions;
e) Lifting system: inspect the condition of wire ropes, chains, gears, tractions, winches
and counterweights, etc.;
f) Hydraulic and pneumatic systems: inspect the hydraulic pipelines, valve groups,
motor leakage and abnormal noise, as well as air compressors, pressure reducing
valves, air paths and joint leakage, temperature rise and working conditions;
g) Electrical and control system: inspect the condition of power supply, power
transmission and distribution equipment, wires and cables; the system’s compliance
with the requirements in grounding and insulation; the condition and working
conditions of machine rooms, control cabinets, electrical components, control panels,
sensors, leakage protection devices, UPS power supplies and batteries, etc.;
h) Safety protection devices: inspect the condition and working conditions of braking
devices, anti-reversing devices, anti-falling devices, buffer devices, position limits,
speed limits, broken rope protection devices, anti-rope skipping devices and anti-
decoupling devices, etc.;
i) Protection system: inspect the protection measures, such as: platform safety isolation
measures, guiding beacons, safety distance and anti-skid measures; the condition of
safety fences and protective nets;
j) Backup power: inspect the condition and working conditions of backup power units;
k) Auxiliary equipment and facilities: inspect the condition and working conditions of
high-altitude platforms, maintenance platforms and lighting, as well as aviation
warning lights, anemometers, alarm bells, fire protection equipment, audio systems,
video surveillance systems, and emergency rescue equipment;
l) Associated equipment and facilities: inspect the condition and working conditions of
other associated equipment and facilities, such as: special effects, packaging and
performances, etc.;
m) Other related special equipment: inspect the compliance of other special equipment,
such as: pressure containers, gas cylinders and hoisting machinery, with the national
regulatory requirements;
n) Foundation: inspect the fastening of anchor bolts, foundation settlement, rust and
deformation, etc.;
o) Safety warning signs: inspect the condition of guidelines and safety warning signs.
5.4 The inspection items, contents, requirements and inspection modes of typical lifting rides-
type amusement devices are shown in Appendix A.
6 Maintenance
6.1 The main maintenance items of the lifting rides-type amusement devices include, but are
not limited to, the following aspects:
a) In accordance with the specified cycles and methods, lubricate passenger restraint
devices, rail guiding systems, lifting systems, drive systems, bearings, important pins,
gears and reduction gearboxes; add or replace lubricants;
b) In accordance with the equipment application and maintenance instructions and the
actual application conditions, replace the hydraulic oil and filter element in the
hydraulic and pneumatic systems;
c) In accordance with the specified pre-tightening force (in accordance with the
corresponding tightening torque), fasten the fasteners, such as: loose bolts and anchor
bolts. Lock nuts, anchor plates, lock washers, cotter pints and positioning rings can
only be used once;
d) Perform de-rusting and re-painting treatment on the rusted parts of steel structures
(rails and tower bodies, etc.), or where the paint has fallen off;
e) Perform necessary dust removal and cleaning on power distribution cabinets, control
cabinets and motors, etc.
6.2 The maintenance items, contents and requirements of typical lifting rides-type amusement
devices are shown in Appendix B.
7 Repair
7.1 Before repair, grasp the operation and maintenance instructions of the product, and
understand the structure of the equipment. In accordance with the failures, formulate repair
schemes.
7.2 For equipment disassembly, corresponding disassembly schemes shall be formulated in
accordance with the product operation and maintenance instructions, and the installation
process guidance documents. After disassembly, the various parts shall be placed and stored in
categories, and safety protection management shall be properly performed.
7.3 The repair and construction records shall be properly kept in the equipment archives.
7.4 For repaired items of the lifting rides-type large-scale amusement devices, before they
return to service, corresponding inspections and confirmations shall be performed.
7.5 The commonly seen repair methods and requirements for the failures of the lifting rides-
Appendix C
(informative)
Commonly Seen Repair Methods and Requirements for Lifting Rides-type Amusement
Devices
C.1 Chain Repair (replacement)
C.1.1 For the disassembly, replacement and repair of damaged and failed chains, in accordance
with the design drawings, formulate a repair scheme; clarify the procedures and steps of
disassembly and installation, necessary tools and equipment for construction, as well as the
requirements, instruments and measuring tools for post-repair inspection.
C.1.2 During the disassembly, reasonable methods that will not damage other intact parts shall
be adopted. The reassembly shall be carried out in accordance with a reasonable sequence of
the chain structure, so as to prevent incorrect installation of the chains, which may affect the
normal use.
C.1.3 When the chains are assembled in sections on the ground, measures shall be taken to
isolate them from the ground, so as to prevent contamination of the chains. The chains are put
into the chain groove box in sections from the top of a hoist, and slide down to the lower guide
wheel with the assistance of the chains’ own weight or auxiliary external force. After the start
and end of the lifting chain and the return chain are folded together, adjust the slackness degree
of the chains through the tension pulley.
C.2 Weld Defect Repair
C.2.1 The weld defects (such as: columns, tower bodies and cylinder supports) of the lifting
rides-type large-scale amusement devices are repaired by welding, and mainly through the
mode of repair welding, with the purpose of repairing cracks and compensating for wear. The
selection of welding materials, process, inspection and repair shall comply with the design
documents and the stipulations of GB 8408, so as to control the welding quality.
C.2.2 For on-site welding, in accordance with the qualified welding processes and evaluation
reports, the welding process shall be formulated. In addition, the welding shall be performed
strictly in accordance with the welding process. If necessary, welding process specimens shall
be produced on the site and pass the evaluation. On-site welding operation shall not be
performed on the parts where on-site repair welding is not allowed in the design documents.
C.2.3 When one of the following circumstances occurs on the site of welding, corresponding
protection measures shall be taken to satisfy the welding requirements, otherwise, welding shall
not be performed:
a) wind speed: for gas shielded welding, greater than 2 m/s; for other welding methods,
greater than 10 m/s;
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.