Weak current College】 【elevator installation taboo-Power By】 【China power house network.

<br> Taboo 1 non-professional installation, maintenance and operation of the lift. Consequences of elevator products from non-professional wood's poor with flapping: will leave in the construction process in risk. Make Gallery elevator machine performance difference, serious will Heung personal .security incidents. Measures the construction units to elevator product selection the reputation of candidates that have when elevator factory, in the elevator products shipped to the construction site, you should select a reputable, qualified Installer installed elevator units and personnel lift installation, debugging and running .. Elevator as Mechatronics products always had to spare parts and sub-assemblies forms of transport to the site to group on, Assembly; see experience, qualified personnel Setup to prevent risks and functional defects occur; the product is in good condition for people running. .Taboo 2 out of the box and accepting the elevator parts after long-term exposure of days. Consequences of the elevator as complex mechanical and electrical integration, the overall transportation products-Chou cannot spot, out of the box for Zhi acceptance of millable possible moisture ., contamination, and loss of the product performance, operation breakdown is increased. Measures should master the elevator equipment to enter the construction site of time out of the box after the acceptance of zero, part of suitable storage sites. Even the short stack, but .also to take measures to prevent the product in the rain, moisture, to prevent rail bending deformation; prevent cabin panels, door frame, and so subject to scratches, damaged, etc. Out of the box as soon as possible after acceptance of the traction .machine, speed limiter, control cabinet, etc being lifted into the engine room, cabin to the front office, on shelves, bumpers, guides to the underlying Office, Hall door, threshold, and so on to the floor. There are storage conditions, .easy storehouse stocktaking, according to the scene of the construction progress, batches transported to job sites. This can avoid these kind of questions over drugs do 99 praised eight gang Bo Mo field into warm forging security work. Taboo 3 in civil construction,; does .not check; not review elevator machine room and well road pit dimensions. Consequences of civil construction; regular occurrence run die; interlayer: section. Installation does not check, do not review the size, makes the installation process is not successful, occur in construction .for workers, the discontinuation of the rectification phenomenon occurred when serious. Measures before the elevator installation; saving fine inspect: Shi Jian job reserved for the hole, the hole size deviation and correction, carefully review the elevator shafts verticality; protruding well road surface on .the eradication of coagulation, room Gapping review to rational arrangement of the engine, hood; the tendency of electrical trunking; spread on multiple parallel lift except lining stairwell dimensions to be reviewed on the terminal of the axis and center line positioning so that it is in .reasonable condition. On pit size for checked even while chives; Eggplant lame fill filled water leakage meal. GA Taboo 4 room floor reserved port on the rope size too small. Consequences of wire rope reserved hole too small can cause index cabin;: on and .Security Builder, rope up and running and hole friction, friction will be long term damage rope for life. Measures of civil construction is reserved to Valley old if and design, the manufacturer required dimensions do not match, before installation should be amended, the entrance .around the edge of the size and spacing of the rope should be 20 ~ around hole 40mm, should do not bite, high-reflecting the Sun a clumsy to and to prevent water, oil and small debris from the entrance into the wells road, resulting .in contaminated elevator and danger of falling objects. Taboo 5 rail bracket installation spacing exceeding 2.5m. Consequences of elevator track composed by Rails, Rails size 5m long, when bracket over 2.5m could potentially be a root guides on only one rail bracket, while .the rail connection between parts fastening, but in the elevator runs due to uneven load generated by the impact forces would keep track of the vertical offset, in the elevator emergency braking car import boots may occur, resulting in the derailment of serious security incidents. Measures .should note when installing each root guides have at least 2 rail bracket, the spacing is not greater than 2.5m, special circumstances, there should be measures ensuring rail installation meets the requirements of GB 7588 bending strength requirements. Guide bracket level degree is not greater .than 1.5%, rail bracket anchor bolts or direct buried into the bracket by embedding depth should not be less than 120mm. Adjustable bracket of fixation expansion bolts, but shall be fixed in the brick wall, if you seam welding bracket which should be continuous, .and double-sided welded. Taboo 6 top rail reservation guided tour too short. Consequences when the elevator up running out of control, will cause car recoil, if reserved guided tour guides too short, the form guide boots will derail, serious accidents, and .direct damage to the cabin top equipment. Measures when the full pressure in its buffer, shall conform to GB 7588 section 5.7.1.1 terms. Car guide length should be able to provide not less than 0.1 + 0.035V2 (m) for further guidance. .Taboo 7 unchecked the line the Rails installed. Consequences of Rails is not straight, defective joints makes the elevator rail vertical, parallelism variance, such as after installation, the adjustment is difficult to find problems. Remove, reinstall, increasing the workload, missed deadlines .and unnecessary economic losses. Measures guide before installing should first check the single track of straightness, flatness, its request shall be consistent with. IG / T 50721 - 1996 elevator t-rail standards. Rail transport, custody of bending deformation should be revised, .straightening. Rails interface should closely at the seams, top clearance tolerance only allow negative tolerance, no license is tolerance. Taboo 8 rail after installation, the orbit of the variance. Consequences of elevator installation track installation quality directly affects the quality of the lift operation ., perpendicularity tolerance will enable passengers in the cabin was poor in the elevator, no sense of stability. Response to each column guide face (including side and top) to install the base line check, the deviation of each 5m shall be not greater than the .following values: car rails and is equipped with safety clamp-on weighing Guide to no security 0.6mm; forceps t-to guide for 1.0mm. In the install base line, each column guides should be the entire column detection, deviation measuring point should .be chosen in rail bracket. Elevator installation completes inspection Guide, available on each segmented continuous 5m vertical detection (measuring at least 3 times), take the measurements of relative maximum deviation should not be greater than the value of 2 times. And can adjust Rails .and Rails to the gaps between the aircraft repairIs vertical. Taboo 9 Rails and brackets using bolts directly attached or electric welding. Consequences of gas welding, welding connection produces welding heat, rail deformation, installed in Wells road, rail deformation cannot straighten correction, and .bolts directly fixed to the track in the entire column will be unable to adjust control allows. Measures in Rails installation, first on the top floor boards evolve to rail Centre as the base of the bracket centerline and edge, on Rails bracket for installation and coarse .. The rail is made of pressure plate fixed to the Rails framework, compact laminate of pressure plate bolts should accommodate anti-loosing washers, track back and bracket adjustment shims between sets, gasket size cannot be less than Rails back area, and the number pads .should not exceed three tablets and spot welding. Adjust the entire column, orbit, its length, bracket and the center line should remain parallel to the dominant vertical spacing between controls in Rails, pressure plate, the gasket. Taboo 10 well road lighting in diffuse .have. Consequences well road lighting, within is not set so that the installation, maintenance, installation, maintenance is cut off the power supply, lack of lighting, increased security precautions. Measures within the closed wells road, should be set as Tsui in Wells .road, the highest and the lowest within the installation of a lamp o.5m, intermediate light distance not exceeding 7m, lighting with wire tube, generally use galvanized pipe downlead to the stairwell Tang wall two gate. At installation should pay attention to the height .of the luminaire from the elevator runs from a collision. Taboo 11 in Wells road, floor trunking cable, ignored. Consequences in the car running, because the original wells in the layout is reasonable, is likely to occur on the cables and wiring duct, .wipe off. In the laying of cable, wire, cable wire is too full, the inside would affect Groove cover or the Groove internal volume requirements. Cable from the box too close together, affect the cable bend RADIUS, lower unnecessary injury, shorten the .service life. Measures in Wells road layout, apart from considering the position of car, guide, also more accurately calculate trunking cable, installation position size, generally have to call button box with side; in Shi soil, within the area of wire line grains .should not exceed trough the cross-sectional area of 60%, in every area, at least two fixed points. Traverse in tank every 2 meters with a pressure plate fixed to ensure that the use of the wire. Traveling cable laying, the stairwell cable .bracket is located in the elevator travel of 1 / 2 plus 1.5 metres, while the cable and cable car bottom turtle support horizontal distance not less than 800, when the car fully compressed buffer, the cable bend some margin to 100 to 200. Taboo 12 .room traction machine above forgotten placement rings. Consequences of high-rise building elevator room space size small, storey is limited, no rings make the elevator equipment installation, maintenance is difficult. Measures should be determined by the structure of the computer room's rings design according .to the manufacturer of the lift chart and sample data set, embedded parts and reinforced should be integrated, post-settlement to paint red markings, and indicate the lifting of loads. Because of the elevator room is typically set to the top of the Office, .it is clear that after drilling hole placement rings to be tolerated by roof waterproofing. Taboo 13 traction load-bearing beam placement at the end of the beam. Consequences of traction is dynamic loading equipment, the Foundation is not secure, be danger of collapse of .the device, causing a serious accident. Measures to check the structural drawings of buildings, so that the tractor bearing structure beam placement in structure of load-bearing beam or the wall, a common practice is to structure the construction stage, the inspection holes reserved .to install traction load-bearing beam position. The actual construction to pay attention to the load-bearing beam did support in the structure of the beams, and meet 10060 - 93 in 4.1.7, its supporting length exceeds wall thickness not less central 20mm .and 75mm. Taboo 14 rope round the verticality of the variance. Consequences for the elevator car running through the rope round, wire rope to traction, orientation, if the rope round the vertical offset, makes the rope but run, round edges, rope and .deforming, reduce rope round and wire rope life, serious will make the work of the wire rope slide out wheel slot. Measures in the car, tractor position, with hanging lines method for the measurement of the rope round and round the parallelism between the traction .wheels, steering wheels, a complex of around the wheel does not exceed o.5mm, guide wheel side should be parallel to the traction wheel side, two side parallel degree deviation is strictly greater than soil lmm. Pull line method can be used to measure .parallelism. Governor rope round verticality is not greater than o.5mm, measurement with hanging lines, Governor rope round should be perpendicular to the plane of the room and is installed in the elevator pit power wheel within the sheet corresponding up and down vertically, and .in accordance with GB 10060 - 93 4.2.9 provisions. Taboo 15 construction units to remove, adjust the factory production of speed limiter. Consequences of the speed limiter is lift the most important security location, and cabin safety clamp linkage match. Once run, .the elevator is out of speeding the control builder, the pinion elevator stopped sound within the range of distance. Security car and personal safety. Dismantle, adjust, can cause lift speed control, and so on, creating serious security incidents. Measure carefully check before .installation Builder models, specifications are correct. Speed limiter in elevator factory has debugging and seals, seals should be checked during installation, ensure that the speed limiter with product requirements. Non-exposed workers dismantling its internal structure. When the speed limit on the heavy .side, you should note the actions Builder, you cannot install both before and after the wrong. Taboo has 16 use of rope damage. Consequences of elevator rope by elevator factory in matching supply, transport, stacking up is possible in the damaged wire rope used .will affect elevator safety performance. Measures should check before installing wire models, specifications. Stacking Office avoid wet and rusting, pre-installation for wire rope on the hinge, and check the appearance of quality, wire rope not permitted there is damage and contaminated sand .and other impurities (such as broken wires, wreck, dead bent). And in line with the GB 8903-88, the problem should be replaced in a timely manner. Taboo 17 do not attach importance to Dray head of production. Consequences of Dray .head is an important part of the lift installation, at the construction site. If the rope head combination is not secure, and makes the car or on the drop occurs and personal security incidents. Measures Dray head tapered sleeve method has a wide range ofFor elevator ., construction should strictly follow the rules for production of elevator installation process, such as selection of babbit watering to comply, without impurities, its temperature to 350 ° c is appropriate, and a water forming. Length of connection wire rope to be consistent, avoid .wire load unevenness,, quality adjustment difficulties. Taboo 18 during construction, injury, split car, the door leaf, call boxes layer of protection. Consequences of the cabin door leaf, decorating, calls for decoration Panel supporting part of the defence will have a .direct impact on the quality of the elevator, and scratches after repair dent is difficult. Measure product protection and, if necessary, in the car after completion of an internal splint supporting to protect car decoration often check the door leaf layer of protection, if you .have discovered the damage, the timely strengthening of protection. Taboo 19 layer door ground Ridge below the floor plane. Consequences of floor floor construction usually work procedures in place in the layer door sill after installation, if floor terrace doors to higher tier, when the .floor ground sill with water when the water flow into the elevator shaft, causing damage and corrosion of elevator device, affect the normal operation of the elevator. Measures layer door to Campo pre-construction should review construction drawings and associated civil units in the floor Hall .door marked standard 50 lines, to determine floors the actual elevation of the final floor (including the floor ground decoration height). Through such precautions to ensure that layer door to Campo exceed the ultimate ground floors 2-5 mm wide. Taboo 20 doors set .in after installation, there is a before and after, tilt phenomenon. Consequences now door set adopts steel making more, before and after, tilt will affect the appearance of quality, but also affects the opening and closing the door leaf. Measures under the centerline .of the car door set of center line, both sides when installing doors set should be fixed at the gate of the wall, door set inside dimensions under the door between the planks to support, in the pouring concrete, so as not to make the door .set outside influences and displacement, expansion drum (conditional concrete placement available when segmentation). Taboo 21 door guides and ground Ridge Groove is not parallel. Consequences of the door Rails support with elevator Hall doors around the track, and Campo slot limit layer door at .the lower end of the run. There is no parallel will cause Office door opening and closing are not flexible, with jitter, serious and likely door shoe out of danger. Measures on each floor of the hall door rails of vertical, door guides and threshold .for parallelism repeatedly to adjust the direction in the face of the door, the Office tap friendly three-point measurement, reached the door guides and ground Ridge between parallelism, perpendicularity control in lmm. Taboo 22 elevator pit water seepage, stagnant water. Consequences of .the elevator pit with water, the water will make the elevator equipment gets wet, rust, reducing the service life of the device. Personnel into the pit installation, maintenance, and when they have difficulties may occur electric shock accident. Measure elevator pit location at .design time to set well away from the pit elevation should be higher than the set wells and drainage features. The other is the layer of ground Ridge above the Hall floors above ground, pit do waterproofing treatment are preventing pit water effective measures. Taboo 23 pit .stop switch located the leak. Consequences of pit sites during the installation, maintenance is to be done, such as checking the imported boots, safety clamp, bumpers, etc., without stop switch power off due to unforeseen circumstances the elevator suddenly start, resulting .in the pit workers there is the risk of an accident. Measures to stop switch must be installed in order to enter the pit workers can immediately after touch switches, power off the elevator control circuit, allowing the elevator to maintain stability in the stopped state. .Tabu 24 buffer level degree, perpendicularity of the variance. Consequences of the pit to install more than one buffer, the buffer height and distance are not consistent when the elevator is out of squatting bottom makes the car bottom loading does not have leading car and rail .deformation. Measures according to the elevator manufacturers design requirements, install the appropriate buffer in the same building on top of the two buffers and car bottom corresponds to the distance difference of not more than 2mm, hydraulic buffer plunger vertical degrees is not greater than o. .5% bottom mounted in the correct position. Taboo 25 elevator brake brake oil immersed sewage. Consequences brake is one of the important safety equipment for elevators, brake oil immersed sewage, when the elevator brake when slipping and sliding car and cause accidents. In addition .to the thickness deformation, brake, brake and brake wheel gap unevenness between will cause brake failure. Measures at the construction site should prevent brake under oil immersion, in the event of such circumstances should be replaced. Brake adjustment should be flexible, braking action on .either side of the brake shoe should close, evenly lamination in the face of the brake wheel, loose when you synchronize the departure gates, its average tangential force clearance of not more than 0.7mm on each side. Taboo 26 car ran out of the top .limit switches. Consequences in the installation, commissioning, maintenance, there are a lot of work in car top workers. Once out of the elevator malfunction, resulting in serious personal security incidents. Measures in the elevator before debugging, first check the control system of .the safety circuit is normal, and reliable. - And to ensure that emergency stop switch action is flexible and does not have the possibility of incorrect operation. The switch should be in red not automatic reset. Taboo 27 construction elevator Hall door opening arbitrary. Consequences .of the elevator before installation, install the Office door should be able to open the security bar to prevent other people into the ladder and a personnel fall; elevator Hall door installation finished, shall not be any open, especially in the elevator test operation, otherwise .will result in serious accidents. Measures in the installation of elevator Hall also have to install the door closing devices. layers When you run the test only if the car is in the layer to open the door to the region by driving the Hall of the opening .and closing. On the run-time to the stairwell of the hole should be closed, the hall door unlock keys should have custody, should be used to prevent the accident. Taboo 28 wires, cables have a connector. Consequences of wires, cables have .a connector will increase the line's fault. Measures with the automation system increases in building intelligent systems in addition to the monitoring of elevator elevator operating status and other signals to the control center, which increases the more control cables, cables. Should follow the design before .construction, rationalizing the whole plate of wire, cable length of the form. Construction in addition to the terminal end wiring, control cables or wires of intermediate should not have the connector. Taboo 29Room indoor temperature greater than 40 degrees centigrade. Consequences due to traction .machine, control cabinet electrical components will work, so that the room temperature, fever, high ambient temperature affect the machines and equipment for work performance and service life, especially at the elevator control system integrated circuits increase, will result in system failure or malfunction. .Measures in the engine room should be well ventilated and, where necessary, additional fan, ventilation and cooling facilities. Taboo 30 engine electrical cabinet back to traction. Consequences of traction is rotating equipment, electrical cabinet back to traction machine, when people in the Cabinet .before debugging operations, not easy on the traction machine running observation and emergency treatment. Measures, in principle, the engine electrical equipment layout by construction drawing operations. In construction should be according to the engine room, computer room back in the control cabinet is not .appropriate on traction, electrical screen, Cabinet as far away from doors, Windows, prevent rain water leakage into the screen, Cabinet moisture. General from the walls and doors, Windows and for 600mm GBl0060 - 93 articles in 4.1.5. Taboo 31 lifts .in the engine room the power switch any elevator. Consequences of operators use the convenient and timely action. Measures the total power switch elevators should be mounted into the engine room of the nearby, the operator of a door has clearly demonstrated that it can operate in .one step. So once an accident, to facilitate staff immediately cut off power supply to prevent the expansion of the events. Taboo 32 elevator car wiring box at the bottom of the settings. Consequences of the cabin wiring box at the bottom of the settings are .easy to install, maintain, and prone to accidents. Measures to control the cable during the installation you can go directly to the car's operation box or car top connection box, if the number of restrictions as cable, not easy to separate, you can in .the action box and car top junction box pipe thread between the laying of wires. In car top placement on the connection box for easy operator standing in the elevator car top job. Taboo 33 limit switch, limit switch, floor lights and other electrical fixtures between .metal hose length exceeds 1m. Consequences of metal hose length not exceeding 1m is a common requirement, metal hose length is too long, the hose is not easily fixed, affect the appearance of quality, but also because of the deflection may lift occurs when the .application runs, the elevator to touch. Measures laying electricity authority, you should be aware of when the hose over 1m, beyond the part you need to take hard pipe laying and then the metal vlexible hose with fittings and tubes are connected, and make cross .-Earth wire. Taboo 34 elevator floor call box height, floor light box not flat. Consequences of the external perception of quality, reduce by line staff on elevator quality reliability. Measures strictly according to the rules, do call box distance floor height, center .line perpendicular to the floor. Special circular call box more attention. On the out-of-the-hole does not meet the requirements, should be amended. Amended by holes to facilitate installation and calls, means the layer light box rear threaded connection. .Taboo 35 lift engine trunking, trunking of well road shell ungrounded, strong, weak mixture of trunking. Consequences for safety ground wire. Strong, weak current in the same Groove mix, prone to strong electric effect of interference, use the elevator. Measures at .present in the elevator room placed on the floor trunking most. So when you go to layout trunking, try to avoid overlapping, and taking note of milliampere of isolation. After the installation trunking, perfect ground terminal, cross-Earth wire connection, no omissions .. Taboo 36 electrical equipment not complying with the provisions for ground fault protection. Consequences when electrical equipment metal shell, not grounded in the event of leakage incidents, so that the electrical equipment of the cover charge, you will have a direct impact on the safety .of the personnel by ladder. Measures voltage 36V more electrical equipment metal shell should have good ground, and should be consistent with section 4.1.3 GBl0060 - 93 bis regulations. Taboo 37 lift cable running twisted. Consequences in high-rise building, Elevator cable .twist twisted, affect the normal use of Elevator, serious cable appears broken core phenomenon. Measures to lift cable in laying, hanging straightening, retreat-spiralling and eliminate the stress of the cable. When the car fully compressed buffer at the bottom of the cable .and the pit should be guaranteed a certain distance and bending radius, the cable is in a free State. When cable and road frame spacing after hours, should be to track down fixed front side a 10, lead wires as protection to prevent cable running scratched .. Taboo 38 high room emergency stop switch is not set. Consequences of the operation and maintenance personnel. Measures in the high traction machine should have a red next to non-automatic reset of emergency stop off in the event of an accident can cut off the .power control circuit to prevent the situation. Taboo 39 elevator before running add oil, grease leakage. Consequences of elevator transport, installation process is long, manufactured before the oil and grease in the meantime there are volatile, leakage of pollution may, if not timely .cleaning dosing oil, grease, occurs, stop and other phenomena that affect the life of a mechanical device. Measures in the elevator before moving car should carefully read the product manual, check the elevator drive, add oil, cleaning, different seasons, parts of .lubricants, greases are different. You cannot mix. Taboo 40 ladder wells top, bottom limit switch failure. Consequences for the safe operation of the elevator is equipped with multiple security facilities, top, bottom limit switch is to take one of the measures of security ., the top level limit switch failure, the car will recoil, the underlying limit switch failure, the car would be crouched in the make of car in passengers affected by vibration and shock. Measures protective limit, limit switch should be installed in the cabin to .trap out of the bottom station on, to trap 50 ~ 200mm, touch the iron contact touch wheel to switch rapidly broken up or down in the control circuit of power, the car should stop running. In any case, the touch wheel margin touch iron .edge not less than 5mm. In the elevator the commissioning phase first hand stirring the limit switch, to determine the reliability of the switch, and then use the local train running to determine its exact location. Location OK after three consecutive test were found to be .properly qualified. Taboo 41 speed limiter, safety clamp action failure. Consequences of the speed limiter, safety clamp is the elevator speed safety device main parts, when the elevator speeding out of the car is proud to decrease speed runWhen the car stopped running only one .device. Speed limiter, safety clamp action failed, losing the security protection. Measure Builder installation, Governor of rope diameter should be greater than Φ 7.4 m m. Governor rope installation should remain consistent and down vertically, up or down on the road-rail .side should be less than the margin 10mm. Safety clamp installation, its height should be consistent, secure clamp wedges from the track clearance of not more than 3mm, clearance margin is not greater than o.5mm. Debugging should be the priority speed limiter electrical .switches, mechanical switch action and no one under the provisions of the load test. Tests usually repair speed to let Governor actions, actions after the elevator car stops should be reliable. Taboo 42 door leaf off clip one moment too large. Consequences now, most .of the use of automatic closing of elevator. Because the door is closing speed adjustment and torque is too large, the doors closed to easily clamp. Measures should be taken to a number of technical measures to prevent someone from lift force behind closed doors. Using .optical signal, ultrasonic signal systems, which typically uses the automatic door safety-edge. Of course in the program control or speed, slow speed camera. Therefore, debugging to be adjusted according to different methods. Tuning is closed for the moment should be less .than the 150N. Taboo 43 equipment installation does not end the elevator debugging. Consequences of the elevator must be well debugged in scaffolding dismantling, demolition, then to equipment installation work, will have to install the job quite dangerous and difficult. Measures to adjust the.