News

  • The door lock circuit of the elevator hall is part of the safety circuit

    24-12-2018

    Regardless of the cable and its installation method, it is difficult to avoid short circuit between the wire and the wire due to the falling object, metal corrosion, aging of the wire insulation, etc. during the use of t...

  • Adjustment methods of the elevator hall door

    14-12-2018

    1. Use dust removal equipment to remove dust and debris from the elevator hall door, and use a 300-400 mesh sandpaper to grind the slide rail to reduce friction. 2. Correct the gaps according to the regulations: the gap ...

  • The use and maintenance of the elevator wire rope

    08-12-2018

    The use and maintenance of the elevator wire rope is effective maintenance of the wire rope after the installation of the elevator. The maintenance and replacement are mainly carried out from the following four aspects t...

  • How to select the wire rope for the elevator

    16-11-2018

    The safety factor of the elevator depends partly on the safety factor of the traction wire rope. There are two static and dynamic loads in the wire rope. However, the main service life of the wire rope is static load. In...

  • Quality of the wire rope will affect the safety of the elevator operation

    10-11-2018

    The wire rope for the elevator mainly refers to the trawling wire rope, and the traction rope bears the entire weight of the elevator, and is unidirectional or alternating bending around the wheel, the guide wheel or the...

  • How to check the elevator pit

    01-11-2018

    The maintenance personnel wait for the ladder at the entrance of the lowest floor, and set up obstacles to prevent the personnel from approaching. After the elevator opens, the elevator will be called to the highest floo...