GB/T 41106.4-2021Large-scale amusement devices—Inspection, maintenance and repair—Part 4: Sort of lifting rides (English PDF)

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