Elevator safety knowledge quiz

       An indispensable vertical transportation tool in an elevator high-rise building, which is a large integrated equipment for mechanical and electrical integration. Elevator to ensure its safety and reliability, from many aspects of the set of preventive measures, such as electrical safety devices and mechanical safety devices. Among them, the electrical safety device: the power control protection device, power supply phase sequence protection device, electric door interlock, emergency stop ladder switching, overspeed protection switch, overload protection switch, limit switch, emergency stop switch, safety window switch. Mechanical safety device is equipped with brake, speed limiter, safety clamp, buffer, door hook lock, door safety contact plate, etc.. These safety devices can ensure the safe operation of the elevator. In the face of the knowledge of the elevator to the question and answer.

       1, how is the elevator running?

       Elevator has a car and a of heavy, through the wire rope will connect them, wire rope through the drive unit (tractor) traction drive, the elevator car and in focusing on elevator guide rail on motion.

       2, lift the wire rope is broken?

       Elevator use of wire rope type elevator, the state has special provisions and requirements. The configuration of the wire rope not just for taking the elevator car and a rated load, but also taking into account the size of the traction force, therefore, the tensile strength of steel wire rope greatly bigger than that of the lift load, their safety coefficient in 12

       Above, the general elevator is equipped with more than four wire rope, an elevator rope is not broken.

       3, is there a danger of sudden power outages in the elevator operation?

       Elevator operation, such as the sudden power failure or power supply lines, the elevator will automatically stop running, there will not be any danger. Because the elevator itself is equipped with electrical and mechanical safety devices, once the power failure, the actuator will automatically brake, so that the elevator can not run. In addition, the power sector if there is a planned outage, will be notified in advance, the elevator or in advance to stop running.

       4, how to do a sudden acceleration of the elevator to do?

       The running speed of the elevator whether upward or downward, shall be in the specified rated speed range operation, is generally not speeding, if appear overspeed, in the elevator control system is overspeed prevention device, at this time, the device will automatically, so that the lift to slow down or stop running.

       5, lift car overload can automatic control?

       Elevator load according to the needs of different, the elevator can only be operated within the specified load, beyond, the elevator will automatically alarm, and can not run.

       6, is the elevator closed when the clip on the man-made into harm?

       Elevator in the course of closing, if the hall door to meet people or objects, the door will automatically re open, will not hurt. Because the door is provided with an anti family switch, once the door touches a person or thing, the switch action makes the elevator can not be closed, and re open, and then re closed. In addition, the closing force is provided by the regulations, will not achieve the degree of.

       7, elevator can Bakai?

       Elevator hall door in an out of court settlement is not clawed, must with special tool to open (tools used by maintenance personnel Master). Passengers are not allowed to open the door, but also can not be opened, otherwise there will be the danger of falling into the well.

       8, how to call the elevator?

       When you need to take a lift, you should choose the direction you want to go on the door panel of the elevator. Press the direction button and press the direction button. Elevator in the control system in the way to the parking, if the direction of the elevator to the floor does not stop.

       9, lift the bottom and the top of the lift is protective measures?

       Elevator squatting bottom of the elevator car in the control system all the failure of the case, will exceed the level of the first floor of the location and down, until the end of the pit stop on the pit. A buffer is a protective device which is provided for the purpose of the protection device, which is based on the difference of the running speed of the elevator, and is composed of two types of spring type and hydraulic type. When the car to squat on the buffer is known as the squat. At this point, the impact of the buffer on the elevator car to ease the role of the elevator does not cause serious damage to the passengers.

       10, elevator operation is not normal, in the car how to do?

       When the elevator, it was found that the elevator overspeed or ladder slow speed, should according to manipulate disk on the red emergency stop button, the elevator will stop automatically, and timely notification to the elevator maintenance personnel.

       11, found in the elevator car has peculiar smell, how to do?

       When found in an elevator car abnormal burnt smell, should according to manipulate disk on the red emergency stop button, the elevator stops, and timely notification to the elevator maintenance personnel.

       12, found that the elevator has abnormal vibration, scraping rub phenomenon, how to do?

       When you are in an elevator ride, found abnormal vibration, jitter, scratch, should according to manipulate disk on the red emergency stop button on the, stop the elevator elevator, and timely notification to the elevator maintenance personnel.

       13, when the elevator suddenly power failure or malfunction, trapped in the car should pay attention to what?

       When you are locked in the car, should obey the command of the elevator driver, the driver's condition, can be through the communication device and the relevant personnel to contact, in order to save. Do not force the door or to jump out of the door, one side of the risk of.

       14, to enter the car should pay attention to the matter?

       When you enter the cabin. If the elevator doors open, to look at the elevators are in level position, or see a litter box is in the layer, especially in the fiber is unclear at night time, more attention should be paid to, otherwise may cause injury, and should be fast as soon as possible.

       15, elevator installation, repair units and maintenance, operators should obtain the appropriate qualifications?

       yes。 Elevator installation, maintenance, transformation of units shall obtain the qualification certificate issued by the Beijing Municipal Bureau of quality and technical supervision, may be engaged in the related work; elevator installation, repair and maintenance, elevator operators shall obtain the operation certificate of special personnel documented appointment.

       16, elevator emergency situation can call 110?

       When the elevator emergency, there are wounding, trapped people (trapped in the elevator car, can not find the elevator maintenance personnel), can call 110 telephone.

       17, what is the case of the elevator to carry out quality or safety complaints?

       When the elevators are often closed, clamping, rough layer, top, squat down bottom, no elevator driver or maintenance personnel license, drivers often take off hillock, car inspection certificate or qualification certificate expired, elevator has abnormal noise or sound, abnormal vibration or jitter, the car is unusually anxious burnt flavour, elevator speed too fast or too slow, maintenance is not timely, in an elevator car without communication or alarm device etc. can be used in quality or safety complaints.

       18, what should be said about the elevator alarm or complaints?

       It should be said that the specific circumstances of the elevator, and should be said that the specific location of the elevator, the elevator property units and responsible for the contact and contact telephone, elevator repair and maintenance units and telephone.