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Escalator quality appraisal

Escalator quality appraisal-Machinery & Equipment-CAS Testing Technical Services (Hong Kong) Company Limited

Escalator qualityAppraisal Background

Escalators are fixed electric drive equipment with cyclic running steps used to transport passengers upward or downward. Escalators can take people from one level of stairs to another quickly and efficiently, making it easier for passengers to reach their destinations quickly. The escalator driving method can reduce the burden on the elderly and those with physical disabilities and reduce the risk of accidental falls.
Zhongke Testing and Appraisal Institute can provide escalator quality appraisal services and make accurate appraisals in terms of product design analysis, load analysis and product quality analysis.

Escalator qualityAppraisal Scope

1, classified by moving walkway
step-type moving walkway, steel belt type moving walkway, double-line moving walkway
2, classified by escalator handrail appearance
fully transparent handrail escalator, translucent handrail escalator, opaque handrail escalator
3, classified by traction component type
chain escalator, rack type escalator

Escalator qualityAccreditation criteria

GB/T 33505-2017 Escalator steps and moving walkway treads
GB/T 18775-2009 Specifications for maintenance of elevators, escalators and moving walkways
GB/T 30692-2014 Specifications for improving the safety of escalators and moving walkways in use
GB/T 39078.1-2020 Safety requirements for escalators and moving walkways Part 1: Basic safety requirements
TSGT7007-2016 Elevator type test rules

Escalator qualityAuthentication case

During the construction of the canopy on the top floor of the XX building in XX city, water entered the elevator, and the elevator involved in the case was later found to be damaged.
Our company was entrusted by the court to investigate the cause of the damage to the escalator located in the XX building in XX city in this case. Make an identification.
appraisal analysis results: The
quality analysis expert group discussed and comprehensively analyzed the relevant information, on-site investigation and inspection data of the "concrete telephone pole" involved in the case, and made the following quality analysis opinions:
1, 1 elevator (8#) involved in the case, the bottom of the upper and lower control rooms The plate is severely corroded, and there are traces of water stains on the surface of the pedal (left and front sides), bottom plate and protective plate. The upper and lower parts cannot operate normally during emergency stop and forward and reverse actions. The cause of the damage is the upper emergency stop button, upper inspection socket, and upper stop button. These components are related to water intrusion inside the elevator;
2, Elevator involved in the case (1#, 2#, 5#, 6#, 7#) 5 The emergency stop action and forward and reverse action of the upper and lower parts are running normally;
3, 2 elevators (3#, 4#) involved in the case, the on-site applicant confirmed that the elevator can operate normally.

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