Thursday, December 23, 2010

College】 【weak after-school exercise elevator technology --- --- Power By weak home network 【China】..

<br> one choice (the alternative answers for each question, only a consistent meaning of the questions.) <BR> 1. In China the rate is greater than () is called high-speed elevator elevator.. <BR> .; A. .1.00 m / s <BR> B. .2.00 m / s <BR> C. .4.00 m / s <BR> D. .5.00 m / s <BR> <BR> 2 .. Can select layers within the car outbound signals and signal layers together and automatically determine the upper and lower control the direction of the order of response mode is ().. <BR> A.. Button control elevator <BR> B. .. Signal control elevator <BR> C.. Collective selective control of the elevator <BR> D.. Parallel control elevator <BR> <BR> 3. () System can limit the activities of car and heavy degrees of .freedom, so the car along the rails and can only be re-Movement.. <BR> A.. Oriented system <BR> B.. Weight Balancing System <BR> C.. Door system <BR> D ... Traction system <BR> <BR> 4. Elevator failure during shift change should be () handles.. <BR> A.. Shift personnel <BR> B.. Succession personnel <BR> C. .. Shift relief personnel together <BR> D.. Maintenance personnel <BR> <BR> 5. Sheave elevator machine room on the deviation of plumb line should be ().. <BR> A.. ≤ 1.0mm .<BR> B..> 1.0mm <BR> C..> 2.0mm <BR> D.. ≤ 2.0mm <BR> <BR> 6. Elevator machine room and the guide sheave groove .wheel groove parallelism deviation should be ().. <BR> A.. ≤ 1.0mm <BR> B..> 1.0mm <BR> C..> 2.0mm <BR> D.. ≤ .2.0mm Second, fill in the blank (please enter your answer on the line.) 1. AC elevator is used as a lift.. <BR> 2. Dc elevator is used as a lift.. <BR> 3. .Elevator and the overall structure can be divided into two parts.. <BR> 4. Elevator device consists of a mechanical speed and composition.. <BR> 5. Buffer is important in the car or on the whereabouts of high-speed .accident due to malfunction, you can use or the impact of its buffer to protect the safety of passengers and equipment.. <BR> 6. Elevator guide system consists of, and guide shoes and so on.. <BR> 7. .Lift the role of the electrical device is introduced and the operation of the elevator.. <BR> 8. Elevator electrical equipment can be divided into, and electrical safety system of three parts.. <BR> 9. Lifts and daily inspection .is to check the main external parts, if necessary, repair, adjustment and replacement.. <BR> 10. Elevator weekly inspection by the conduct.. In addition to daily inspection contents, to conduct a more detailed examination of the main parts and .necessary maintenance.. <BR> 11. Elevator addition to weekly inspection on the contents of inspection, and inspection of all elevators, clean lubrication and necessary adjustments.. Third, the term resolution (see text box below the noun enter your answer. .) 1.. The definition of the elevator <BR> <BR> 2.. AC Elevator <BR> <BR> 3.. Hydraulic elevator <BR> four essay questions <BR> 1.. Collective .selective control of the elevator control characteristics?. The answer】 【------------------------------------- .-------- .-----------------------------------< BR> Main features .are: the inner layer selection signal and the car. outbound signal layers together and automatically determine, on the order of running under the direction of response.. Such elevator car shall be set on the weighing device in order to avoid overloading the lift.. .Car door to be equipped with protective devices to prevent the passengers when the car was rolled out injured.. <BR> ------------------------- .---------------------- .--------------------------- .------< BR> <BR> 2.. Intelligent elevator group control elevator group is characterized by what?. The answer】 【----------------- .---------------------------- .--------------------- .--------------< BR> Intelligent Control of the elevator with data collection, exchange and storage. there analysis, filtering and reporting functions.. Control system can display the operational status of all elevators ., through a dedicated program can analyze the efficiency of the elevator, elevator service level evaluation.. Computer based on the current passenger flow, automatically select the best operational control procedures.. Is the most advanced elevator control system.. <BR> - .---------------------------------------------- .--- .------------------------------< BR> <BR> 3.. Lift the weight of the balance system function? .. The answer】 【--------------------------------------------- ..-----------------------------------< BR> weight on the weight and balance system is composed of .the weight compensation device,. also known as mass balance system.. By the weight of heavy aircraft and heavy on the blocks.. Will balance the weight of heavy car and part of the rated load.. Weight compensation device to compensate for high- .rise elevator car and the length of the weight change on the side of the traction rope balanced design of the elevator device.. <BR> --------------------- .-------------------------- .----------------------- .----------< BR> <BR> 4. Please describe the lift of the electric drive system. and its work processes.. The answer】 【---------- .----------------------------------- .-------------- .---------------------< BR> elevator from the traction motor electric drive system for. electric system, speed control device and speed feedback device composition.. Work process .is to power the traction motor for the elevator, the power supply system provides power for the motor speed feedback device to provide the lift for the speed control system speed signal, speed control device for the implementation of the traction motor speed control.. < .BR> -----------------------------------------------. .---------------------------------< BR> <BR> 5. Please describe the elevator works.. .The answer】 【---------------------------------------------. .-----------------------------------< BR> First of all, mainly by lifting the elevator motor driven .mechanical traction. wheel drive traction rope and suspension devices, drag the car and on the emphasis for the relative movement of the shaft, the car increased, and decreased weight; car down the increase of weight.. As a result, the car in the .shaft running up and down along the rail.. <BR> Second, with both sides of the elevator car guide shoes, guide shoes from the three bands tight on the rail so that the level of car and focuses on accurate positioning.. - .-------------------------------------------------. .------------------------------< BR> <BR> 6. elevator according to drive into what types?. The .answer】 【--------------------------------------------- .- .----------------------------------< BR> elevator drive points by the following categories: <BR> .. ① AC Elevator; <BR> ② DC elevator; <BR> ③ hydraulic elevator; <BR> ④ rack and pinion elevators; <BR> ⑤ Screw elevator; <BR> ⑥ linear motor driven elevator.. .-------------------------------------------------- ..------------------------------< BR> <BR> 7. elevator control method by which sub-types? .. The answer】 【--------------------------------------------- ..-----------------------------------< BR> elevator control method according to classified as: < .BR> ① handle. switch operation; <BR> ② button control elevator; <BR> ③ signal control elevator; <BR> ④ Set selected control elevator; <BR> ⑤ parallel control elevator; <BR> ⑥ .elevator group control.. --------------------------------------------- .----- .------------------------------< BR> <BR> 8. group control elevator control .is how to proceed?. The answer】 【---------------------------------------- .----- .-----------------------------------< BR> elevator group control is computer .control and unified management of multiple. focus on the elevator side by side.. Group control can have the following ways.. <BR> ① ladder program control group.. Control the traffic pattern at a pre-programmed scheduling and control assembly. .. Passenger elevator at work, according to the situation in order to load the car, landing the call frequency, time interval to run a week as the basis for automatic selection or manual change control procedures.. <BR> ② ladder swarm intelligence control ... Intelligent control of the elevator with data collection, exchange and storage, as well as for analysis, screening and reporting functions.. Control system can display the operational status of all elevators, through a dedicated program can analyze the efficiency of the elevator, .elevator service level evaluation.. Computer based on the current passenger flow, automatically select the best operational control procedures.. --------------------------- .----------------------- .-------------------------- .----< BR> <BR> 9. elevator Which are the major parts?. What are the components of each?. The answer】 【---------------- .----------------------------- .-------------------- .---------------< BR> elevator can be divided into two parts, mechanical and electrical.. Mechanical parts are the traction system, car, door systems, navigation systems, on the weight .and mechanical safety devices, etc. the system.. Part of electrical installations can be divided into electric drive system, operation control system and electrical safety systems of three parts.. <BR> ----------- .------------------------------------ .------------- .--------------------< BR> <BR> 10. escalator structure consists of several components which.?. One safety device include?. The answer】 【 .--------------------------------------------- .---- .-------------------------------< BR> the structure of the escalator steps, traction chain, drive. equipment, rail ., metal frame, handrails, tensioning device, brake components and safety devices.. Safety devices include two categories, one category is necessary safety devices, and the other is a secondary safety device.. Necessary safety devices including working brakes, emergency brake, speed .monitoring devices, traction chain elongation or fracture protection equipment, protective devices comb plate, handrail tape to obstruct the entrance protection device, protection device cascade collapse, apron protection devices,. cascade gap lighting, motor protection, phase protection and emergency stop buttons.. .Auxiliary safety device with an auxiliary brake, mechanical locking devices, steps on the yellow skirt on borders and the security of brush and so on.. <BR> ----------------- .------------------------------ .------------------- .--------------< BR> <BR> 11. Why must attach importance to the maintenance of the elevator?. The answer】 【---------- .----------------------------------- .-------------- .---------------------< BR> Elevator life depends mainly on manufacturing, installation, use of the process. in the management and maintenance of the quality aspects.. .Such as lift a person responsible for management and regular maintenance, failure to timely repair, and completely exclude the fault, not only can reduce the time down for repairs, but also can extend the life of the lift and improve the results.. On the .contrary, if used improperly, nor person responsible for management and maintenance, not only can not play the normal role of the elevator, will reduce the life of the elevator, and even personal and equipment accidents, causing serious consequences.. <BR> .----------------------------------------------- .-- .-------------------------------< BR> <BR> 12. elevator managers should carry out what management.? .. The answer】 【--------------------------------------------- ..----------------------------------- ① charge control automatically switches the elevator hall door lock key, control box .. Work on the elevator key state transfer switch (general cargo elevator bed elevator and medical doctors may not be installed), elevator machine room door lock keys and key control box.. <BR> ② According to the specific circumstances of the unit to .determine the drivers and maintenance staff, candidates and conditions of the unit to a qualified training.. <BR> ③ elevator to collect and collate the relevant technical information and data collection are complete prepare accounts to be registered, for safekeeping.. Only one .copy the backup data should be archived.. <BR> ④ collect and keep the elevator spare parts, spare parts, accessories and tools, and prepare accounts registered, and reasonable custody.. Random technical documentation should be based on technical information provided in .the preparation of spare parts procurement plans.. <BR> ⑤ units under the circumstances and conditions, the establishment of the elevator management, use, maintenance and repair system.. <BR> ⑥ familiar with the technical information collected from the elevator ., the elevator to the relevant personnel to understand the installation, commissioning and acceptance of the circumstances, conditions can be controlled with the elevator when the test run up and down several times, carefully check the elevators in good condition.. <BR> ⑦ .made the necessary preparations, and after the conditions have delivered, or should be temporarily sealed.. Archive for too long, the technical documentation requirements should be properly handled.. ---------------- .---------------------------------- .--------------- .---------------< BR> <BR> 13. elevator shift relief work is how to proceed?. The answer】 【----------- .---------------------------------- .--------------- .-------------------- ① shift changes, the common view in the field both sides should be running the elevator., inventory tools, spare parts and configuration of the engine room .fire equipment, face to face handover clearly not the way to the exchange of greeting.. <BR> ② clear before and after the transfer of responsibility.. Typically, the two sides signed the transfer procedures to perform after the problems, the person .responsible for the succession.. If the elevator is the time of handover failure, should be responsible for shift workers, but should actively cooperate with the succession.. If the successors do not get the succession, without the consent of the leadership's consent, to .be shift workers shall not leave the job.. ---------------------------------------- .---------- .------------------------------< BR> <BR> 14 .. elevator machine room should be how to manage?. The answer】 【----------------------------------- .---------- .-----------------------------------< BR> .room management include the following.. <BR> ① engine room lighting should be kept intact, neat lines, no temporary wiring.. <BR> ② the engine room should be kept clean, well-ventilated, windows and doors intact. .. <BR> ③ the engine room should be equipped with fire extinguishers, placed in easy to take place.. <BR> ④ room keys kept by hand, any unrelated persons allowed to enter the room.. <BR> ⑤ .smoking is prohibited in the engine room.. <BR> ⑥ the equipment room on a daily basis to conduct an inspection to ensure equipment is functioning correctly.. <BR> ⑦ make room records (including inspection records, maintenance records). .. <BR> ⑧ during typhoons, heavy rain before the advent of ready room wind, rain to prepare, and after the storms, in time to be checked.. --------------- .----------------------------------- .-------------- .----------------< BR> <BR> 15. elevator managers should check which parts of the elevator every day?. The answer】 【<BR> --- .--------------------------------------- .---------- .----------------------------< BR> Elevator managers should be checked daily on the elevator. the following section.. Check the hand .with a hammer <BR> ① Check the connection of the parts of parts, such as bolts, screws and other pin is loose.. <BR> ② Check the turbine meshing monitor the situation and check the oil standard gear and see whether .there is oil spills.. <BR> ③ Check the working condition of valve actuators, such as the brake wheel, brake and transmission levers, etc. are normal, the gap is reasonable.. <BR> ④ Check the stability of .the rotating parts, such as the bearing is vibration, bolt is loose and so on.. <BR> ⑤ Check the car top wheel, steering wheel and the rotation of the wheels, check rope device is normal and so on.. < .; BR> ⑥ check overspeed governor, safety gear lever connections and lubrication.. <BR> ⑦ Check the traction rope for wear, broken wires of the strand and make a mark.. <BR> ⑧ Check the door and check the .safety interlock door sedan.. <BR> ⑨ room are not allowed to put a long shelf-shaped rods or other solid objects, to prevent the injured parts or stuck driving part ...

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