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amallescalator
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Oprettet 26. February 2021 kl. 05:52
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These residual rocks and silt will fall on various parts

It is necessary to drill holes and holes around the entire hoistway wall and to fix the door sill door frame of the hall, which will produce a large amount of residual rock and mud. These residual rocks and silt will fall on various parts of the elevator car and the elevator traction wire rope groove.

The sediment accumulated in the traction rope groove will not be cleaned up. At this time, the sediment will reduce the friction coefficient of the friction surface between the traction rope and the traction sheave, which may cause the traction rope to slip on the traction sheave.

During use, it may fall down and cause major safety accidents, and cause abnormal wear of the traction wire rope and traction wheel. Secondly, a large amount of impacted gravel and sand are stuck in the oiled guide rail and the four guide shoes of the car. During the continuous running up and down, the original guide rail and the guide shoes will wear out violently, which will seriously damage the guide rail.

Surface layer and 4 guide shoes. The guide shoe can be replaced, but the guide rail cannot be replaced. In addition, a large number of brackets for fixing rails need to be welded and fixed at the installation site. Welding rail brackets will generate splashing sparks. Falling on the traction wire rope will burn the traction wire rope, which will easily cause multiple strands of wire to break, resulting in normal use. Major safety hazards.

Finally, due to machine roomless bed elevator of the installation and construction process, in the first stage, the elevator car was first assembled on the bottom of the hoistway, and the counterweight was hung on the top floor and the original car was used as the construction work platform until the construction reached the top.



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