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  • How to check the elevator pit

    How to check the elevator pit

      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 floor. After the elevator stops at the highest level, the hall door is opened and the pit is partially maintained. . After opening the hall door, take the pit stop button and open the pit lighting to observe whether there is any water in the pit. If there is water, you need to... read more

    Apr 29,2020 News
  • Elevator three-phase emergency power supply

    Elevator three-phase emergency power supply

      The elevator three-phase emergency power supply can convert the DC power supply of the battery into a three-phase 380V AC power supply for the elevator to work in the case of a power outage, so that the elevator car can automatically level, open the door, and automatically close the door to make the people in the car safe Evacuate. The principle diagram of the three-phase emergency power supply of the elevator is shown in the figure. In the picture, CN1 is the mains 380V input power socke... read more

    May 12,2020 News
  • Which manufacturer provides home elevators with low price and better service?

    Which manufacturer provides home elevators with low price and better service?

      It is also a custom home elevator. If we want to get a very favorable price, we naturally need to find a suitable manufacturer. In this way, we can naturally obtain the price of the factory direct sales, which can also be guaranteed. However, there are now more manufacturers that can supply elevators. We must also weigh which manufacturers have better prices. Manufacturers with good service are more worthy of choice. First, the network measures good quotations. In fact, if you want to kno... read more

    May 19,2020 News
  • Causes of squat bottom or topping accidents during elevator normal operation

    Causes of squat bottom or topping accidents during elevator normal operation

      1. Failure of electrical safety device A. The forced deceleration device fails. When the elevator runs out of control toward the top or bottom of the hoistway, the forced deceleration switch is passed first. If this switch fails or the deceleration relay is stuck and not released, the elevator cannot slow down before reaching the end station, that is, the car still runs at a constant speed until squatting Bottom or top; B. The position switch fails. If the forced deceleration switch fails... read more

    May 26,2020 News
  • Causes of squat bottom or topping accidents during elevator normal operation 2

    Causes of squat bottom or topping accidents during elevator normal operation 2

      2. Insufficient braking torque The braking performance of the brake is an important indicator for the safe operation of the elevator. GB10060 stipulates that "reliable braking" is required in the traction capacity inspection, operation test, and overload test. A. The brake release clearance is too large; B. After the brake shoe is worn, adjust the brake spring in time, that is, the spring force is too small; C. There is oil on the brake wheel and brake shoe surface. These factors have dif... read more

    Jun 03,2020 News