Elevator safety common sense knowledge quiz - Solutions - Huaqiang Electronic Network
1 How does the elevator work?
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The elevator has a car and a counterweight, which are connected by a wire rope. The wire rope is driven by the traction of the driving device (the traction machine), so that the elevator car and the counterweight move up and down on the inner rail of the elevator.
2 Is the wire rope of the elevator broken?
For wire rope elevators used in elevators, the state has special regulations and requirements. The configuration of the wire rope is not only to bear the elevator car and the rated load, but also considers the magnitude of the traction force. Therefore, the tensile strength of the wire rope is much larger than the load capacity of the elevator. Their safety factors are all above 12, and the general elevators are all With more than four wire ropes, the elevator wire rope will not break.
3 Is there a danger of sudden power failure during elevator operation?
If the elevator encounters a sudden power failure or the power supply line fails, the elevator will automatically stop running without any danger. Because the elevator itself is equipped with electrical and mechanical safety devices, once the power is cut off, the actuator of the electric body will automatically brake, so that the elevator cannot operate. In addition, if the power supply department has a planned power outage, the elevator will be notified in advance, or the elevator will stop running in advance.
4 What should I do if the elevator runs suddenly?
The running speed of the elevator should be within the specified rated speed range, whether it is up or down. Generally, it will not overspeed. If there is overspeed, there is anti-overspeed device in the elevator control system. At this time, the device will automatically operate. Slow down or stop the elevator.
5 Can the elevator car overload be automatically controlled?
The load capacity of the elevator varies according to the needs. The elevator can only operate within the specified load. When it exceeds, the elevator will automatically alarm and cannot operate.
6 Does the clamp cause damage to people when the elevator is closed?
When the elevator is in the process of closing the door, if the hall door touches people or things, the door will automatically reopen and will not hurt people. Because there is a switch against the family on the door, once the door touches people or things, the switch action prevents the elevator from closing, reopens, and then closes the door again. In addition, the closing force is determined by the extent that it will not be reached.
7 Can the elevator door open?
The hall door of the elevator cannot be opened outside the courtroom and must be opened with special tools (the tools are mastered by the maintenance personnel). Passengers are not allowed to knock on the door, and they cannot open it. Otherwise, there is a danger of falling into the well.
8 How to summon the elevator?
When you need to take the elevator, you should select the direction button you want to go to in the elevator panel. Press the up direction button up and down the direction button. The elevator adopts the method of forward parking in the control system. If the elevator is reversed, the elevator will not stop at this floor.
9 Are there any protective measures for the bottom and top of the elevator?
The bottom of the elevator causes the elevator car to travel downwards beyond the first level of the flat layer until the control system fails, until the buffer on the bottom pit stops. The damper is a guard device provided for this purpose, and the guard device is respectively of a spring type and a hydraulic type depending on the running speed of the elevator. When the car is squatting on the bumper, it is called the bottom. At this time, the impact of the damper on the elevator car is relieved, so as not to cause serious damage to the passengers in the elevator.
10 What should I do in the car when the elevator is not operating properly?
When taking the elevator, if the elevator is overspeed or the speed is slow, press the red emergency stop button on the control panel, the elevator will automatically stop, and notify the elevator maintenance personnel in time.
11 What should I do if I find an odor in the elevator car?
When it is found that there is abnormal burnt smell in the elevator car, press the red emergency stop button on the control panel to stop the elevator and notify the elevator maintenance personnel in time.
12 What should I do if I find that the elevator has abnormal vibration and scraping?
When you are taking the elevator and find that the elevator is abnormally vibrating, shaking, and scraping, press the red emergency stop button on the control panel to stop the elevator and notify the elevator maintenance personnel in time.
13 What should you watch out for when the elevator suddenly loses power or malfunctions and is trapped in the car?
When you are locked in the car, you should follow the instructions of the elevator driver. In the situation of the enlisted driver, you can contact the relevant personnel through the communication device to solve the rescue. Never slam the door or jump out on your own.
14 What should I pay attention to when entering the car?
When you enter the car, if the elevator door is open, you should see if the elevator is in the leveling position, or if the car is on the floor, especially when the fiber is unclear at night, you should pay attention to it, otherwise it may cause Injury, and should come out as soon as possible.
15 Should the elevator installation and repair unit, maintenance and operation personnel be qualified?
Yes. The elevator installation, maintenance and repair unit should obtain the qualification certificate issued by the Beijing Municipal Bureau of Quality and Technical Supervision before it can engage in the corresponding work; the elevator installation, maintenance and elevator operators should obtain the special personnel operation certificate and be certified to work.
16 What kind of emergency can the elevator call 110?
When there is an emergency in the elevator, there are injured and trapped people (people trapped in the elevator car, unable to find elevator maintenance personnel), you can call 110 alarm phone.
17 Under what circumstances can an elevator make a quality or safety complaint?
When the elevator often has closed doors, clips, uneven layers, tops, bottoms, elevator drivers or maintenance personnel without a permit, drivers often leave the post, there is no inspection certificate in the car or the certificate expires, the elevator has abnormal noise or sound, abnormal Vibration or shaking, the car has an abnormal burnt smell, the elevator speed is too fast or too slow, the maintenance is not timely, there is no communication or alarm device in the elevator car, etc., can make quality or safety complaints.
18 What should I say when I call the elevator or complain?
The specific situation of the elevator should be clarified, and the specific location of the elevator, the owner of the elevator and the contact person and contact telephone of the responsible department, the maintenance unit of the elevator and the contact number should be stated.
