Weak current College】 【elevator safety inspection standards and requirements.

<br> <br> 1. General provisions <br> <br> 1. in order to strengthen the elevator installation, maintenance and use of safety management, prevent injury incidents occurred with the operation of the lift, to ensure the security of the .person, according to GB/T7588-95 the elevator manufacturing and installation of the security norms and GB/T10060 the elevator installation acceptance of law and other relevant national requirements, elevator use elevator should observe the following rules. <br> <br> 2 .. where a passenger elevator, the freight elevator, one of the case, you should implement security detection: <br> <br> ① new or updated elevator delivery before use. <br> <br> ② in the elevator, once a year .. <br> <br> ③ After major renovation or accident. <br> <br> ④ annual inspection, you can check the new post did not change project, not to be detected, but may change and some safety test must be detected .. <br> <br> Second, Elevator Safety testing, you should provide the information and documents (new checked the elevator) <br> <br> 1, the manufacturer or supplier to provide the information and documents. (Where ①-after .the acceptance of the surrender ⑧ use units) <br> <br> ① products manufactured with certificates of competency. <br> <br> ② elevator machine room, well road map. <br> <br> ③ elevator maintenance manual. < .br> <br> ④ elevator electrical schematics and its symbols. <br> <br> ⑤ elevator electrical wiring diagram. <br> <br> ⑥ elevator components installation diagram <br> <br> ⑦ elevator installation manual. <br> .<br> ⑧ spare parts catalogue. <br> <br> ⑨ the following device-test report copies: <br> <br> A. layer door closing devices. <br> <br> B. speed limiter. <br> .<br> C. safety clamp. <br> <br> D. buffer. <br> <br> 2, Elevator installation unit should provide the information and documents: <br> <br> ① issued by Ministry of housing and elevator .production license, install, license or provincial technical supervision departments of the elevator manufacture, install a copy of the certificate of safety approval books. <br> <br> ② elevator installation contract. <br> <br> ③ Press installation specification acceptance of .self examination report. <br> <br> 3, change the design-time, elevator use of the unit should provide the manufacturing plant or civil design departments agreed to change the design of the supporting documents. <br> <br> 4, .past conferences safety inspection records, reports, operating licenses. <br> <br> Third, Elevator Safety inspection before the basic conditions <br> <br> 1, elevators work shall conform to GB/T10058-97 3.2 shall: <br> .<br> ① altitude does not exceed plan 1000m. <br> <br> ② keep in room temperature 5 to 40 degrees. <br> <br> ③ relative rated voltage supply voltage fluctuations not exceeding 7%. <br> <br .> ④ run environment most humid, maximum relative humidity of 90%, while the monthly average minimum temperature below 25 ° c. <br> <br> ⑤ environment air should not be corrosive and easy so sexual and conductive dust exist. <br> .<br> 2 room flat ground, doors and Windows should be a dust storm, engine room entrance stairs or ladders handrails should be set up, leading to the engine room of the road should be smooth, Elevator should not use the temporary power supply, .and to be regularly cleaned up the elevator and lubrication. <br> <br> 3. each part nameplate parameter should be installed elevator parameter. <br> <br> 4. elevator safety testing, installation or maintenance units should be sent by hand .to the scene. <br> <br> 4. elevator safety testing requirements <br> <br> 1. engine room environment: <br> <br> ① engine room should be set fixed lighting and one or more of the power outlet .. <br> <br> ② should be set to stop the elevator runs non-stop automatic reset of the red switch. <br> <br> ③ a well-ventilated room. <br> <br> ④ room is equipped with .effective fire-fighting facilities and equipment. <br> <br> 2, control screen cabinet: <br> <br> ① control screen Cabinet dimensions, shall conform to GB/T7588-95 6.3 and GB/T10060-93 in section 4.1 ..5. <br> <br> ② setting up phase, the wrong phase protection and overload protection. <br> <br> ③ direction contactor, the main direction of relay and open relay electrical interlock protection should be provided. <br> .<br> ④ various components should indicate the name or code name, the fuses should meet the design requirements. <br> <br> ⑤ There should be clear of the ground. <br> <br> 3. main power switch <br .> <br> ① each elevator should have a cut off the lift power switches, its capacity to cut off the elevator the normal use of the maximum current, but the switch should not be cut off the supply circuit: <br> <br> .A. cabin lighting and ventilation. <br> <br> B. car top power sockets and lighting. <br> <br> C. computer room and pulley room lighting and power supply outlet. <br> <br> E. Wells .road lighting power. <br> <br> F. alarm device. <br> <br> ② the main power switch should be set to the engine room entrance to facilitate fast approaching, the same room with several lifts, elevators main power switch .is easily recognizable by the logo. <br> <br> 4, traction wheel: <br> <br> ① traction wheels, steering wheels, wheel, wheel speed limits should be painted yellow or some yellow and traction wheel or wheel marked off .and elevator direction corresponds to the flags. <br> <br> ② tachogenerators such as chains, belt transmission time should be set safety switches. <br> <br> ③ traction wire rope shall be in accordance with the provisions of the GB8903- .04. <br> <br> ④ traction wheel verticality is not greater than 2 mm, traction wheel Groove with guide wheel corresponds Groove parallelism is not more than 1 mm. <br> <br> 5. Governor: <br> <br .> ① speed limiter should have a nameplate, indicating their movement speed, SystemPlant, factory-number and date of manufacture, its adjustable parts should lead seals or seal, speed limiter, shall identify and secure clamp action corresponding to the direction of rotation. < .br> <br> ② Governor rope diameter not less than 6 mm. <br> <br> ③ speed limiter, selected layer is active parts lubrication good, reliable switching action. <br> <br> ④ 7588-95 GB provides that .the Governor should be electric switch. <br> <br> ⑤ speed limiter actions should occur at the speed of at least equal to the rated speed of 115%, but less than the following values: <br> <br> A.0.8 .m / s for addition to the non-shedding roller outside moments-security clamp. <br> <br> B.1.0m / s for non shedding roller safety clamp. <br> <br> C.1.5m / s for individual .buffer moments-safety clamp and rated speed not exceeding 1m / s progressive safety clamp. <br> <br> E.1.25V + 0.25V2 for rated speed exceeds 1m / s progressive safety clamp. <br> <br> 6, Wells .road and pit: <br> <br> ① elevator shafts should be of elevator and GB7588-95 5.8. <br> <br> ② front height and pit depth should be consistent with GB7588-95 5.7. <br> <br> .③ pit should be set down by the non-automatic reset of the red stop switch and outlet and fixed lighting. <br> <br> ④ pit on the heavy side protection should be provided, the height of the column by pit 0.5m - .1.7m; hole road, height is not lower than the barrier isolation 2.5m. <br> <br> ⑤ safety clamp evenly on both sides of the carve chunks clearance. <br> <br> ⑥ pit depth greater than 1.8m, .should be set to climb the ladder. <br> <br> 7. Rails: <br> <br> ① When the elevator in demolishing the bottom or the top hit, import boots should not be out of rail travel and stay there and .elevator speed further guided tour. <br> <br> ② each rail side face install base line of deviation is not greater than 0.7/500, the deviation in the entire height not exceeding 1 mm. <br> <br> ③ two rail .distance deviation: cabin Guide to + 2 mm; on heavy rail for + 3 mm. <br> <br> ④ each rail at least 2 rail bracket, the spacing is not greater than 2.5 mm, welding bracket weld should be continuous, and .double-sided welded, bracket shall directly with expansion bolts fixed in brick wall. <br> <br> ⑤ guide rail fitting bench Max 0.05 mm, there shall be no local continuous gap, the gap is not greater than 0.5 mm. <br .> <br> 8 layer door and cabin: <br> <br> ⑴ layer at the bottom of the door and the ground clearance of 5-8 mm. <br> <br> ⑵ the door blade and layer door to Campo, .door lock wheel and cabin to Campo clearance should be 5-10 mm. <br> <br> ⑶ horizontal sliding door in the open direction to 150N applied forces applied to the most negative point, the door space may not exceed 30 mm. < .br> <br> ⑷ car top heavy protective bar should be located, its height can be set to 900-1100 mm (reference), the other side and wells road wall spacing greater than 300 mm should also be set protection bar. <br .> <br> ⑸ car top security window safety switch should be provided. <br> <br> ⑹ car top on the heavy side rails and the most prominent part of the spacing of not less than 50mm. <br> <br> ⑺ .car top round, on heavy wheel should guard and retaining ropes. <br> <br> ⑻ sedan should mark the rated load and passengers number, manufacturer name. <br> <br> ⑼ sedan control panel should be set to cut the circuit's .electrical locks, and marked out the name of the switch button. <br> <br> ⑽ is equipped with the "emergency" in the elevator, its sedan handling and maintenance of switch on the Panel should be electric lock control, emergency button, .only the keys will overhaul and repair status to switch on the back. <br> <br> ⑾ double door lift, when a layer is no door, opposite car door shall be opened. <br> <br> ⑿ cabin safety clamp should .be located electrical interlock switch. <br> <br> 9, due to heavy pressure plate reliable fixed to prevent loose. <br> <br> 10, Governor tensioner, steel belt tensioning device should be set safety switches. <br> < .br> 11, compensation chain, rope in the elevator runs, not well road or other part that collision. <br> <br> 12, electrical safety components: <br> <br> ① wire ends should be numbered. <br> .<br> ② power and control line should be laid, micro-signal and electronic lines shall be adjusted according to the product requirements are laid, or use a antijamming measures. <br> <br> ③ pit, car top lighting should be the .proprietor. <br> <br> ④ room and well laid in wire and wire pipe Groove applied, hose, protection or use of the flame retardant pipes and hose protection, such as flame retardant materials, should produce type test report. <br> .<br> ⑤ accompanying cables should be well road within fixed hook la, even if the car fully compressed buffer cables should not be and pit bottom face rubbed off. <br> <br> ⑥ jiaoding overhaul run bistable switch should be, and should .have no intention of operation of protection, and should meet the following criteria: <br> <br> A. to repair the runtime should cancel: normal procession (including any automatic door operation) and the engine room emergency operation. <br> < .br> B. car running should be ongoing press the button, and indicates the running direction. <br> <br> C. should be set to non-automatic reset of the red stop switch. <br> <br> D. car .speed should not exceed 0.63m / s. <br> <br> E. should not be longer than the car is the scope of the trip. <br> <br> F. maintenance run-time, effective for all safety devices. .<br> <br> G. metal electrical wiring duct bends wires under pressure, be protected should be underlay, access application protection at tube notch or other protective measures. <br> <br>.