Weak current College】 【elevator technology requirements summary --- Power By】 【China power house network.

<br> First, lift the classification by purpose l: 1. passenger elevator TK 2. Laden elevator TH 3. dual-purpose elevator TL 4 beds elevator TB 5. residential elevator TZ 6 £ ® service lift TW base area ≤ 1M2, depth .¡ .ü1 1M, each cell height ≤ 1.2M 7. boat lift TC 8. sightseeing lift TG 9. automobile elevator TQ l press speed: 1. Low-speed ladder V ≤ 1.0m / s 2. Fast stairs 1.0m / S "V .≤ 2.0m / s 3. High speed ladder V> 2.0m/sl press the traction motor power: 1. Exchange of elevator: AC motor-driven elevator. 2. DC elevator: DC motor-driven elevator. L press have classification ( .1) it is necessary to have a speed reducer gear elevator used to slow and fast ladder. 2. gearless elevator: for high speed ladder. L press the drive way: 1.2. hydraulic wire rope-l press room l location divided by control points .: 1. handle switch control, manual door SS 2. handle switch control, automatic door SZ 3. button control, a manual door AS 4. push-button control, automatic doors AZ 5. signal control XH 6. set control JX 7. .parallel control BL 8. ladder group controller QK 9. computer processing, set control JXW (2) Elevator traction drive mode 1. traction rope for winding method (1) 1: 1 round method of the take-off and landing speed of car and .wire rope line speed. Wire rope the force equal to the sum of the weight of the suspension. (2) 2: 1 round method of the take-off and landing speed of car is half of the rope line speed. Wire rope the force .equal to the sum of hanging weight. 2. traction wire-wound type (1) all around-each rope in traction wheels around the second, you need two corresponding Groove. (2) half-round-each rope in traction wheels only around .one time, just one Groove. Half round the elevator, traction rope traction wheels maximum angle of 180 °, generally not less than 150 °. 3. motor l motor stator and rotor temperature rise shall not exceed 25 ℃. L stator and rotor clearance .1mm. L motor axial momentum not greater than 3mm. L bearing temperature does not exceed 80 degrees centigrade. L nominal voltage value fluctuations within the ± 7%. L motor no-load current phase and three phase in any of the average deviation of not .more than 10% of the average. L traction motor amplitude and axial momentum allowed values: amplitude allows value: 1000 rpm: ≤ 0.13mm. 750 rounds / min: ≤ 0.16mm. Axial movement: 10kw: 0.5mm. 10-20kw: .0.74mm. Above: 1.0mm 30kw. 4. brake l have electric immediately loose gates, brake immediately lost power. L the electromagnetic force should be greater than braking force. L-gate and brake wheel contact area should be greater than Wade, 80 .% of the gate area. L pine gate, tile and brake wheel clearance preferably 0.3 ~ 0.5mm, not greater than 0.7mm. L brake coil working temperature of 60 ° c, up to 85 degrees centigrade. L brake shaft diameter wear more than .the original lock 5% or more than 0.5mm ellipticity should be replaced. L brake wear up to the original tile thickness 1 / 4 should be replaced. 5. traction wheel l materials required: wear resistance, elongation, high friction coefficient used ductile cast .iron. L rope Groove: (1) a small semi-circular grooves: friction coefficient for the full round the elevator. Angle greater than 330 °. (2) quick incision semi-circular grooves: friction is moderate, for half-round the .elevator. Angle should be greater than 135 °. (3) V-slot: friction, not commonly used, sometimes in laden elevator available. L traction wheel pitch diameter and wire rope diameter should be greater than 40. L traction wheel pitch straight light .and lift speed. 6. the guiding wheel l-for half-round, known as the bridge. For all round type, called anti-rope round. L Groove should be a semicircular Groove. L groove depth greater than d / 3. L .tank of RADIUS R is the radius of the amplification of wire rope 1 / 20. L-steering wheel pitch diameter wire rope diameter greater than 40 times more. L guide wheel installation from machine-party ground distance should be greater than 10cm. VII. .reducer l gearbox's role is to reduce tractor output speed, increase output torque. L elevator worm gearing with cylindrical worm drive and arc eveloped. L worm in the worm gear above that worm upper, worm in the worm here called worm-and-under. .L gear tooth surface gap should 0.095 ~ 0.19mm. L motor spindle concentricity with worm: rigid connection, flexible connection of ≤ 0.02mm 0.1mm ≤. L connector outer circle of the radial runout should not exceed 1 / 3000. L master lubricant type ., fueling, leakage, etc. All parts and l reducer bearing temperature not higher than 60 ° c, the temperature inside the box may not exceed 85 ℃. VIII. traction rope 1 least two independent ropes. 2. traction wheel pitch diameter and wire .rope diameter ratio should not be less than 40. 3. wire diameter not less than 8mm. 4. wire rope safety factor: three or three above: two 12: 16 5 reel drive 12. rope and rope head connection of wire rope strength shall .be not less than 80% of their strength. 6. each rope shall be of equal force, less than 5%. 7. no load to full load of the network wire rope stretched la 20mm content of less. 8. termination type: tapered .sleeves, self-locking wedge, rope clamp. 9. wireWire scrap criteria: number of single wire rope fracture: wire rope safety rope with a twist from the following fault number should replace the wire surface wear up to diameter% 0 10% 15% .20% 25% 30% 12-14 20 17 15 12 10 14 14-16 22 18 16 15 13 11 with twist wire rope for 1 / 2 values are discarded by surface wear or corrosion accounted for 30 per cent of diameter, regardless of .silk or a broken wuduan unit that is discarded. 9.-compensation rope lift the rated speed of more than 2.5m / s, you should use the fast take-up was against wire rope. Take-up of the pitch diameter and compensation rope .diameter ratio should be not less than 30. Lift the rated speed of more than 3.5m / s, there should be a hold-down device. 10, Office, car door technology requires 1. door leaf and door sets, at the bottom of .the door leaf and the ground clearance between Campo: 6mm passenger elevator, the freight elevator 1 ~ ~ 1.8mm 2. open the knife and floors Hall the distance between the ground Ridge: 5 ~ 10mm. 3. the Office door locks at all levels .of the wheel on the side of the car the distance between the ground Ridge: 5 ~ 10mm. 4. all levels of the Office door and sill are not horizontal ≤ 2 / 1000. 5. floors Hall ground Ridge should slightly higher ground decorated out .2 ~ 5mm. 6. each layer in the door and sill to the door and sill distance deviation 0 ~ + 3mm. 7. wheel frame under eccentric wheel on the rail by end of distance should not be greater than 0.5mm. 8. Hall .door set column and the column of the framework is not vertical and horizontal degree beam of not less than 1 / 1000. 9. Center opening doors of door leaf should be formed in the corresponding Department, two doors of roughness should not be greater than 1 .mm, the door in the whole visible height should not be greater than both. 2mm 10. a door in the open door of foot, should not be projecting car door set, should be properly indented in 5mm. 11. door in the open, .close the process should be smooth, should not have runout, judder. 12. on the Office door door leaf should be equipped with forced closers. 13. passive door should have electrical with device. 14. to lock the door hook hook into quantity is .greater than 7mm. And start with electric locks interlock-contact contact. 15. close the door blocking force should not be greater than the 150N. 11. Guide 1. rail bracket installation l connections: A: B in bolt fixing method: embedded bolt .fixing method C: embedded steel plate welded fixed method D: Expansion bolt fixing method. E: direct embedding method l bracket level degrees: 5mm l support spacing: (1) make sure that every Rails 2 only supports. (2) spacing is not .greater than 2.5M. (3) and connecting plates not vertical. 3. rail installation l verticality: cabin side less than 1.2mm/5M, no safety forceps on Rails: less than 2mm/5M l connector slot: car guide is not greater .than 0.5mm, no safety forceps on heavy rail: no greater than 1 mm l connector level: Max 0.05mm, no safety forceps on heavy rail: no greater than the length l fix light 0.15mm: 250 ~ 300mm l and bracket connection: .welding methods cannot be used. The bottom-most l Guide cannot be vacant. L gauge requirements: car 0 ~ + 2mm, the: 0 ~ + 3mm whole root yongzhao conductor fixed import from gap and deflection. 12. import boots (1) .fixed sliding guide boots: applies to V ≤ 0.63m / s. (2) spring type sliding guide boots: applies to V ≤ 2m / s. (3) the scroll guide boots: suitable for V> 2m / s. Rolling guide .shoe mobile content at the level of the top mobile 1mm is 2mm. L guide boots side wear may not exceed 25% of the original thickness (double sided) l slide spring guide boots a, c for adjusting clearance 2mm, b be transferred under the .load size. 500-750 kg 1000 1500 2000-3000 to 5000 b 42mm 34mm 30mm 25mm 25mm 20mm 13, buffer 1. spring buffers (energy storage-type) l for speed V ≤ 1m / s of the elevator. L buffer stroke: .S = 0.135V 2 (M) and not less than 65mm. L overtravel distances: 200 ~ 350mm. 2. hydraulic buffer (dissipation) l can be used for any speed elevator. L buffer stroke: S = 0.067V 2 (M) ., and not less than 420mm. L more layer distance: 150 ~ 400mm. 3. installation maintenance technical requirements l car collision Centre at the bottom of the plate with its corresponding buffer Panel Center ≤ 20mm. L to bottom impact plate Center with its corresponding .buffer Panel Center ≤ 20mm. L spring buffer top not level degrees should not exceed 4 / 1000. L car side uses two buffers, the same on the basis of the two buffers with top and bottom of the car corresponds to the distance of deviation is .not greater than 2mm. L adopts hydraulic buffer, the plunger verticality is not greater than 0.5%. (Otherwise known as ± 0.5mm) l hydraulic buffer compacted gravity leave should be automatically reset within 120 seconds. L buffer should be dust-proof, .rust-proof measures 14 Builder 1. minimum movement speed: 115% V 2. maximum movement speed: (1) instantaneous-safety clamp: 0.8m / s (2) progressive safety clamp, elevator speed ≤ 1m / s: 1.5m / .s. (3) other: 1.25V + 0.25 / V 3. safety clamp electric switch movement speed: 90-95% V 0 (V 0 speed limiter movement speed) 4 on the heavy side speed limiter action speed slightly higher than the cabin .side speed limiterMovement speed, but not more than 10%. 5. Governor rounds of pitch diameter and Governor rope for nominal diameter of not less than 30. 6. Governor rope diameter not less than 6mm, not less than 5 safety factor. 7. .Governor rounds of verticality is not greater than 0.5mm. 8. tensioning device required is floating, not less than 30kg hammer. A rope protection switch. 9 £ ® tensioner fork height (mm) quick-speed elevator lift category elevator high-speed elevator .pitch ground master degree 400 ± 50 550 ± 50 750 ± 50 10. tensioning wheel tension by requirements: running time, tension ≥ 150N, Governor, Governor of tension should be not less than safe tweezers work required force of 2 times and should not be .less than the 300N. 11. the speed limitation device response time: Governor action speed response time before and after reaching movement speed, lifting wedge and guide by the hour (speed limiter and security clamp of sensitivity) standard in 0.5 seconds, without rolling rope .reset response time slightly longer. 15. safety clamp 1. instantaneous-safety clamp apply to rated speed not exceeding 0.63m / s of the elevator. 2. progressive safety clamp apply to rated speed greater than 1.0m / s of the elevator. 3 .. system stop distance H = V 1 2/2g + 0.10 + 0.03 (m) rated speed (m / s) Governor maximum movement speed (m / s) minimum system stop distances-stop distance 1.50 1.98 330 840 1.75 2.26 380 1020 2.0 .2.55 460 1220 2.25 3.13 640 1730 3.00 3.7 840 2320 16 wells road space at the top and bottom hole size requirements 1. Wells road, top space, when weighing full compacting bumpers, should satisfy the following three conditions: (1) car guide length .should be able to provide ≥ 0.1 + 0.035V 2 (m) for further guidance. (2) the top of the bottom-most well road parts and car top stand space bottom plane vertical distance ≥ 1.0 + 0.035 V 2 (m). .(3) at the bottom of the top most well road parts and seated in the cabin on top of the equipment of the highest part of the distance between the ≥ 0.3 + 0.035V 2 (m) at the bottom of the top most well road .parts and import boots or wheel, wire rope accessories and vertical sliding door beams or part of the highest part of the distance between ≥ 0.1 + 0.035V 2 (m) at the same time, the car above should have a sufficient space to put a .not less than 0.5 m × 0.6 m × 0.8 metres away from the body. 2. when the car full compacting buffer should be at the met: (1) on heavy rail length imported should be able to provide a ≥ 0.1 + 0.035V 2 .(m) for further guidance. When the elevator deceleration can be monitored, this value can decrease: V "4m / s, you can reduce the number of 1 / 2 V> 4m / s, you can reduce the original value of 2 / .3 in either case, the value of 2 0.035V, shall not be less than 0.25 m. (2) there should be at the end of pit into a not less than 0.5 m × 0.6 m × 1.0 metres away from the body. ( .3) at the bottom of the abyss and car lowest part of the clearance distance shall be not less than 0.5 m. The bottom and boots or wheel, safety clamp wedges, guarding the skirting or vertical sliding doors part of net distance not exceeding 0.1 m .. 17, room parts installation technical requirements 1. load-bearing steel beam (1) the load-bearing beam as embedded load-bearing walls in beyond the walls of the Center 20mm, and should not be less than 75mm. (2) in .the case of brick walls, beams should pad to withstand the weight of concrete or metal lintel beams. (3) level of load-bearing beam on the plane of ≤ 0.5/1000, three load-bearing beam Planar mutual elevation difference ≤ 0.5mm ., mutual parallelism ≤ 6mm. 2. traction machine (1) no damping device of the traction motor level degree no more than 2 / 1000. (2) traction wheel position deviation: front and back direction ≤ ± 2mm, about direction ≤ ± 1mm .. (3) traction wheels, steering wheels, complex around the wheel vertical deviation ≤ 0.5mm, parallelism of ≤ ± 1mm. 3. Governor (1) the Governor and the base application bolt connection, such as concrete base, the base size should .be the ratio of speed limiter base each zoom 25 ~ 40mm. (2) the Governor rounds of verticality is not greater than 0.5mm. 4. Control Panel (1) vertical ≤ 3 / 1000 (2) positive from doors, Windows ≥ 600mm .. (3) maintenance side distance wall ≥ 600mm. (4), mechanical equipment ≥ 500mm distance. 5. total power supply (1) installation in door entrance to facilitate contact, height 1.3 ~ 1.5 m. 6. holes require room rope and .floor slab edge holes each side clearance should be 20 ~ 40mm, build stage high 50mm. 7. sign the motor or flywheel due and cabin lift direction corresponds to the flags. Traction wheels, wheel, speed limiter wheel outside painted yellow. Brakes pine gate .manually hand painted red, and hung on the walls of the accessible. The engine has more than one elevator should be clearly marked to tell. 18, pipe, trunking laying principle 1 and the movable part of the minimum distance: room 50mm, Wells road .100mm. 2. line pipe, trunking application fire-retardant materials. 3. line bends over 3 junction boxes should only be set. 4. a horizontal, vertical deviation is not more than 2 / 10, total maximum deviation is not greater than 20mm .. 5. horizontal bearing point spacing 1.5 m vertical bearing point spacing 2 m. 6.Hose bending radius greater than 4 times the radius of the hose. 7. hose supports dot pitch not greater than 1000mm, free-to-end header length is .not greater than 100mm. 8. line tube conductor area is less than line tube net area of 40%. 9. the total area is not within the conductor trunking is greater than the net area of trunking 60%. 19, ground zero 1. .Metal enclosures for electrical equipment should be easily recognizable earthing terminal. 2. the resistance value of not more than 4 Ω. 3. application of copper-core cables. grounding 4. the Earth wire cross section area should not be less than the line of .1 / 3. 5. Earth wire cross section area of bare copper wire should not be less than 2 4mm. 6. insulated cable shall be not less than 2 1.5mm. 7. trunking connector, wire and tube elbow, beam, junction to .crossover grounding line. Available for cross-wiring 5mm reinforced. 8. car grounding as cable shall be not less than 2 root, cross-sectional area greater than 1.5mm 2. 9. application yellow green color line earthing connection. 10. the zero .line and grounding line should always be separated. 11. protection of grounding and protection shall not be mixed with zero. 20. Wells Road 1. when the adjacent two-story gate of the distance between the ground Ridge over 11 m, during which should .be set straight. 2. access door, security door and repair wood doors shall open toward the well road. 3. doors and wood doors shall be provided with a key operated lock, door, doors open after live without keys can also be closed and .locked. 4. access door and emergency door even in locked, you should be able to do key from wells road, internal door open. 5. only access door, doors, and repair wood doors are half-closed state, the elevator in order .to run. 6. lift the level of distance between the running part is not less than 0.3 m, isolation bar height throughout Wells road. 7. lift lifting height is greater than 30 meters, should put intercom device, there should be compensation equipment ( .rope or chain). 8. the bending radius of cable lines move not less than 8 core 250mm. 16 ~ 14-not less than 400mm. If multiple specifications common to maximum bending radius..