1 scope
This technology standard under 5000 kg and is suitable for the rated load and rated speed of 3 m/s and under all kinds of domestic traction drive elevator electrical equipment installation engineering.
2 construction preparation
2.1 equipment, material requirements:
2.1.1 all electrical equipment and parts specifications, quantity, quality should comply with the relevant requirements, all kinds of switch action should be flexible and reliable; Control cabinet, excitation cabinet should be the factory a certificate of approval.
2.1.2 channel steel, Angle steel, no corrosion, expansion bolts, screws, nails, nail, such as specifications, performance, welding electrode should be accordance with the requirements of the drawings and use.
2.2 the main equipment:
Electric welding machine and welding tools, line drop, steel ruler, wrench, hacksaw, box feet, nail, protective mask, electric hammer, pliers, screwdriver, gram silk sweet, electric knife, hand electric drill.
2.3 operation conditions:
2.3.1 rooms, lighting requirements of shaft with the requirements of the second chapter.
2.3.2 when installed in the shaft driving slowly carried out each room of the door closed, door locks, reliable, good hall door can't pull open by hand.
3 operation process
3.1 process:
Wiring slot, piping
Install the control cabinet with cable
Limit switch installation in slow switch, limit switch, switch to touch the iron
Install the induction switch induction plate
Lamp, push button, operating panel installation
Install the pit box
3.2 installation control cabinet
3.2.1 field condition according to the room layout and locate control cabinet. Generally stay away from Windows and doors, and Windows, wall at a distance of not less than 600 mm, and convenient maintenance.
3.2.2 of the control cabinet box according to the requirements of the installation drawing with expansion bolt in the computer room on the ground. If no box control cabinet, to make electric control cabinet steel base concrete base (FIG. 5-100).
Control cabinet connected by screw fixation with steel base. Using anchor bolt connection fixed control cabinet and concrete base.
3.2.3 control cabinet installation fixed firmly. More than one tank installed side by side, there should be no apparent cracks and counter should be on the same plane.
3.2.4 small excitation cabinet installed more than 1200 mm high from the ground metal stent (so that) adjustment.
3.3 installation limit switch:
3.3.1 according to the plan, if the limit switch when choosing wall installation, to install in the room at the entrance door, request switch at the bottom of the height from 1.2 ~ 1.4 m.
When the limit switch wire rope ladder well location, and when they don't correspond to the up and down limit switch in the engine room roof tops guide pulley, guide wheel position correct action should be flexible, reliable (FIG. 5-101).
Limit switch, guide pulley support with bolts fixed on the wall and floor.
Wire rope on the switch handle wheel should be around 3 ~ 4 laps, the force direction should guarantee the gate jumped, cut off power supply.
3.3.2 rainfall distribution on 10-12 according to the layout position, if the limit switch installed in the computer room on the ground, can according to switch and well under the limit line, corresponding to determine the installation position.
Limit switch support with bolts on the ladder of the real estate. Limit switch with this surface is 300 mm from the ground (FIG. 5-102). The wire rope fixed in accordance with requirements.
3.4 installation junction box, along with the cable rack in the middle.
3.4.1 track junction box is located in the middle shaft, its height can be determined press type:
Height (bottom hall door to camp to the vertical distance of intermediate junction box at the bottom of) = elevator trip + 1500 mm + 200 mm.
If intermediate junction box is located in the interlayer or engine rooms, (with) the height not less than 300 mm from the mezzanine or room ground.
3.4.2 intermediate level according to the junction box with cable rail bracket cannot be touched and not to touch the hall door to requirements to determine.
If the well is small, the car door to candy and intermediate junction box on the horizontal distance is relatively close, to plan as a whole, the spacing shall not be less than 40 mm (FIG. 5-103).
Rule 3.4.3 junction box by expansion bolt is fixed on the wall in the middle.
At intermediate junction box below the bottom 200 mm with the rope. Fixed with cable frame with no less than the bolts of phi 16 two or more (depending on the weight with the cable), to ensure that its fastness (FIG. 5-104).
3.5 piping, wiring slot:
3.5.1 track of room piping unless Ming pipe laying along the wall drawings, both to laying drainage tubes, shaft allows Ming pipe laying. The specifications of the wire and tube according to the number of wire laying. Total area of the wire laying in the wire (including insulation) should not exceed 40% of the net area of the tube.
3.5.2 with phi under 20 pipe with threaded coupling connection. Phi is more than 25 tube can be connected by welding. Pipe connecting door, outlet with light steel file file, so as not to cut wire.
The pipe welding interface to together, there can be no cracks or hi-lo (FIG. 5-105).
3.5.3 into floor distribution box (cabinet) of wire line, should be neat, nozzle is higher than the base surface is not less than 50 mm.
3.5.4 piping of the need for support throughout the following: straight every 2 ~ 2.5 m, the horizontal tube not more than 1.51 m. Metal hose is not more than 1 m, bend and access boxes at both ends is 150 mm. Each wire tube not less than 2 stents, stent can be directly buried inside the wall or use the expansion bolt.
2.6.2 steel tube into the distribution box and junction box, dark piping weld are available, and nozzle box (box) is less than 5 mm, Ming lock nut fixed piping applications, with female thread for 2 ~ 4 screw.
3.5.6 steel pipe and equipment connected to steel pipe laying into the service entrance equipment shell, if you have difficulty, can adopt the following two ways:
3.5.6.1 in add equipment of soft plastic tube is introduced into steel pipe outlet, but steel tube the distance of inlet and outlet and equipment should be within 200 mm.
3.5.6.2 equipment service entrance and dry pipe outlet with matching metal hose and hose connectors, hose pipe clamp fixed.
3.5.7 Ming piping or equipment on the surface of the metal hose should be with the equipment installation appearance, for beauty, such as the brake pipe (FIG. 5-106).
3.5.8 shaft when pipe laying wire within each layer should hold branch junction box (box), and according to the need to add terminal board.
3.5.9 tube boxes with openings for opening, aperture is not greater than 1 mm pipe diameter.
3.5.10 room wiring slot, besides design selected thick trough should be along the wall, beam or ladder board below installation, wiring duct laying mode should be vertical.
3.5.11 well trough to the branch of each layer of wire is large, should establish distribution box and consider to add terminal board.
3.5.12 from trough to elicit branch lines, if away from light, hand box, available metal hose installation; If the distance is more than 2 m, the application of pipe laying.
3.5.13 trough should be good grounding protection, line groove joints should be tight and across the ground wire (FIG. 5-107).
3.5.14 cutting trough need hand saw () can not use gas welding operation, the corner is not allowed to cut straight mouth, mouth should be along the direction of threading a 90 ° bend protection, line to prevent injury (FIG. 5-108).
3.5.15 trough using nail or expansion bolt.
3.5.16 trough installation after fill brush bituminous paint a, in case of rust.
3.6 hang accompanying cable:
3.6.1 track along the length of the cable should be based on actual location box and the bottom of the cage in the junction box; Plus two head cable bracket tie length and connection allowance for sure. Guarantee or hit the top from the bottom of the capsules group do not make with the cable taut, during normal operation does not rub capsules and ground; Squat down bottom when the cable is 100 ~ 200 mm from the ground.
3.6.2 palankeen cable bracket and shaft bracket horizontal distance of cable should be no less than: 8 core cable is 500 mm, 16 ~ 24 core cable is 800 mm.
3.6.3 before hanging over cable cable should be free trailer, make its internal stress elimination. Dogan with unfavorable cable tie lines.
3.6.4 radar echoes captured in plastic insulated wire (BV1.5 mm) will vary depending on the line tie tightly in along with the spring holder (FIG. 5-109).
3.6.5 cable into the connector should be set aside the appropriate allowance, firm pressure, neat rows.
3.6.6 distance when the cable guide bracket too close, in order to prevent damage of along with the cable, but from the bottom hole along the guide rail bracket welding phi 6 round steel to above 1.5 m in central shaft, or set up a net.
3.7 installation in slow switch, eye position switch and its touch iron:
3.7.1 touch the iron should be no distortion, deformation, after installation to adjust its verticality deviation is not more than 1/1000 of the length, the maximum deviation is not more than 3 mm (except cant touch the iron).
3.7.2 slow switch, limit switch position according to the requirements of the following:
3.7.2.1 general ac elevator at low speed (1 m/s and under), switch to the first level as forced to slow down, will be quickly converted to run slow. 2 should be used as limit, when the car for more than upper and lower end station 50 ~ 100 mm, cut along the direction of control circuit.
3.7.2.2 force reduction gear end station level or multiple reduction switch, the switch action time slightly lagging behind normal slow movements at the time. When normal slow failure, device level deceleration in accordance with the relevant provisions.
After installed 3.7.3 switch should be strong, to adjust, make it round and touch the iron reliable contact, reliable action, switch contact touch wheel slightly compressed allowance. Wheel base touch iron edge is not less than 5 mm (FIG. 3-110).
3.7.4 switch touch wheel installation direction should comply with the requirements, in case of damage (FIG. 5-111).
3.8 installation induction switch and induction plate:
3.8.1 whether in capsules on the flat layer induction switch and open the door induction switch, or in a selected layer on the tracks, car induction switch (this is not optional layer of elevator), its form is the same basic. Installation should be horizontal even vertical, each side should be in the same vertical plane, the vertical deviation is not more than 1 mm.
3.8.2 induction plate installation should be vertical, insert the sensor of place is located in the middle, if the sensor sensitivity can not meet the requirements, can be appropriately adjust the induction plate, but with each side clearance in the sensor is not less than 7 mm (as shown in figure 5-112).
3.8.3 induction plate should be up and down, left and right sides, after the adjustment bolts should be reliable locking, the normal operation of elevator may not produce friction and sensors, it is forbidden to collision.
3.9 lights, buttons, wheel installation:
3.9.1 lamp box, button box, wheel box installation should be horizontal even vertical, the error should be no greater than 4 / l000. The midline deviation indicator light box center and the door is not more than 5 mm (FIG. 5-113).
3.9.2 lights, buttons, control dial panel should GaiPing, hood is good, should not have light-leaking and optical crosstalk phenomenon.
3.9.3 button and switch should be flexible and reliable, there should be no jam phenomenon.
3.10 installation pit maintenance box:
3.10.1 overhaul box of the installation position of the bottomless pit, should choose close from the trough or junction box, easy to operate, does not affect the elevator operation. Figure 5-114 to overhaul box installed on trough closer side of the ground below.
3.10.2 pit overhaul box by expansion bolt is fixed on the wall. Overhaul box, wire and tube, the slot between across the ground wire.
3.11 cable laying and receive, welding, packages, head:
3.11.1 before threading pipe and wire slot clean, can not have water, dirt.
3.11.2 break line, according to the length of the line to set aside the appropriate allowance cannot appear when threading line damage skin, wait for a phenomenon, and set aside appropriate spare line (10 ~ 20 root for 1, 20 ~ 50 root for 2, 50 ~ 100 root case 3).
3.11.3 cable according to the wiring diagram installation, power supply must be separate installation of the lift. Drive and control circuit should be laying respectively. WeChat ID and electronic circuit should be separate installation or anti-interference measures according to the requirements of product. If in the same slot in the installation, which will add baffle plate.
3.11.7 equipment and plate of tank before line pressing wire should be along the direction of the terminal into beam, and then use string cable clip or nylon tie to fault diagnoses.
3.11.8 wire terminal should set direction set or marking plate, quoting the line number.
Strict 3.11.9 wire pressure welding, solid, there can be no loose, virtual phenomenon.
4 quality requirements
4.1 ensure projects:
4.4.1 limit, limit and slow device installation location, right functions must be reliable, switch installed firmly.
Inspection methods: observation and actual running tests.
4.1.2 power supply power cord must be separate installation of the lift.
Inspection method: to observe the examination.
4.1.3 electrical equipment and wiring insulation resistance value must be greater than 0.5 M Ω.
Test method: the measured check or check installation records.
4.1.4 protection must be good grounding (zero) system, electrical equipment skin good protection grounding (zero). Wire pipe, tank and box, junction box across the ground wire must be tightly solid, no missing.
Inspection method: to observe the inspection and check the installation records.
4.1.5 elevator trailing cable must be binding firmly and neatly, without distortion, its laying length must ensure that the capsules don't stress, don't sweep the floor when limit position.
Inspection method: to observe the examination.
4.2 the basic items:
2 rooms within the power distribution, control panel, ark, plate installation should be rational layout, namely, tidy and beautiful.
Inspection method: to observe the examination.
4.2.2 switchboard, cabinets, boxes, boxes and equipment wiring should be connected firmly, good contacts, bandage tightly, insulation and reliable, and mark clearly, binding and tidy and beautiful.
Inspection method: to observe the examination.
Holdings wire tube, groove installation should be strong, no damage, layout reasonable, outlet accurate, slot cover is complete flat, with boxes, boxes, and equipment connected correctly.
Inspection method: to observe the examination.
4.2.4 affiliated framework of electrical devices, and wire pipe, tank and other non charged metal parts of the anti-corrosion treatment should be painted, even without omission.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
Electrical equipment installation, the allowable deviation size requirement and test method are shown in table 5-15.
Electrical equipment installation, the allowable deviation size requirement and test method table 5-15
Will project test method of allowable deviation or size requirement
1 room, cabinet, screen the verticality of messenger wire, 1.5/1000 scale quantity check
Engine rooms 2/1000
Shaft in 5/1000
3 capsules on piping fixed point distance (mm) 500 feet or less quantity to check
4 metal hose fixed point distance (mm) 1000 feet or less quantity to check
5 finished product protection
5.1 to have preventive measures on the construction site, in order to avoid equipment stolen or destroyed.
5.2 rooms, scaffolding of debris, dust to clear at any time, in order to avoid falling shaft parts equipment or affect electric equipment function.
6 should pay attention to quality problems
6.1 installed inside the wall, ground wire pipe, tank and installed by the relevant department's acceptance, and acceptance after the visa can be sealed into the wall or the ground.
6.2 trough are not allowed to use gas welding or cutting hole.
6.3 for electronic circuit vulnerable to external interference, anti interference measures.
6.4 wire pipe, tank and box, junction box across the ground wire is missing, if use copper wire jumper, connecting screw must add spring washer.
6.5 after accompanying cable laying before must hang loose, be fixed.
This technology standard under 5000 kg and is suitable for the rated load and rated speed of 3 m/s and under all kinds of domestic traction drive elevator electrical equipment installation engineering.
2 construction preparation
2.1 equipment, material requirements:
2.1.1 all electrical equipment and parts specifications, quantity, quality should comply with the relevant requirements, all kinds of switch action should be flexible and reliable; Control cabinet, excitation cabinet should be the factory a certificate of approval.
2.1.2 channel steel, Angle steel, no corrosion, expansion bolts, screws, nails, nail, such as specifications, performance, welding electrode should be accordance with the requirements of the drawings and use.
2.2 the main equipment:
Electric welding machine and welding tools, line drop, steel ruler, wrench, hacksaw, box feet, nail, protective mask, electric hammer, pliers, screwdriver, gram silk sweet, electric knife, hand electric drill.
2.3 operation conditions:
2.3.1 rooms, lighting requirements of shaft with the requirements of the second chapter.
2.3.2 when installed in the shaft driving slowly carried out each room of the door closed, door locks, reliable, good hall door can't pull open by hand.
3 operation process
3.1 process:
Wiring slot, piping
Install the control cabinet with cable
Limit switch installation in slow switch, limit switch, switch to touch the iron
Install the induction switch induction plate
Lamp, push button, operating panel installation
Install the pit box
3.2 installation control cabinet
3.2.1 field condition according to the room layout and locate control cabinet. Generally stay away from Windows and doors, and Windows, wall at a distance of not less than 600 mm, and convenient maintenance.
3.2.2 of the control cabinet box according to the requirements of the installation drawing with expansion bolt in the computer room on the ground. If no box control cabinet, to make electric control cabinet steel base concrete base (FIG. 5-100).
Control cabinet connected by screw fixation with steel base. Using anchor bolt connection fixed control cabinet and concrete base.
3.2.3 control cabinet installation fixed firmly. More than one tank installed side by side, there should be no apparent cracks and counter should be on the same plane.
3.2.4 small excitation cabinet installed more than 1200 mm high from the ground metal stent (so that) adjustment.
3.3 installation limit switch:
3.3.1 according to the plan, if the limit switch when choosing wall installation, to install in the room at the entrance door, request switch at the bottom of the height from 1.2 ~ 1.4 m.
When the limit switch wire rope ladder well location, and when they don't correspond to the up and down limit switch in the engine room roof tops guide pulley, guide wheel position correct action should be flexible, reliable (FIG. 5-101).
Limit switch, guide pulley support with bolts fixed on the wall and floor.
Wire rope on the switch handle wheel should be around 3 ~ 4 laps, the force direction should guarantee the gate jumped, cut off power supply.
3.3.2 rainfall distribution on 10-12 according to the layout position, if the limit switch installed in the computer room on the ground, can according to switch and well under the limit line, corresponding to determine the installation position.
Limit switch support with bolts on the ladder of the real estate. Limit switch with this surface is 300 mm from the ground (FIG. 5-102). The wire rope fixed in accordance with requirements.
3.4 installation junction box, along with the cable rack in the middle.
3.4.1 track junction box is located in the middle shaft, its height can be determined press type:
Height (bottom hall door to camp to the vertical distance of intermediate junction box at the bottom of) = elevator trip + 1500 mm + 200 mm.
If intermediate junction box is located in the interlayer or engine rooms, (with) the height not less than 300 mm from the mezzanine or room ground.
3.4.2 intermediate level according to the junction box with cable rail bracket cannot be touched and not to touch the hall door to requirements to determine.
If the well is small, the car door to candy and intermediate junction box on the horizontal distance is relatively close, to plan as a whole, the spacing shall not be less than 40 mm (FIG. 5-103).
Rule 3.4.3 junction box by expansion bolt is fixed on the wall in the middle.
At intermediate junction box below the bottom 200 mm with the rope. Fixed with cable frame with no less than the bolts of phi 16 two or more (depending on the weight with the cable), to ensure that its fastness (FIG. 5-104).
3.5 piping, wiring slot:
3.5.1 track of room piping unless Ming pipe laying along the wall drawings, both to laying drainage tubes, shaft allows Ming pipe laying. The specifications of the wire and tube according to the number of wire laying. Total area of the wire laying in the wire (including insulation) should not exceed 40% of the net area of the tube.
3.5.2 with phi under 20 pipe with threaded coupling connection. Phi is more than 25 tube can be connected by welding. Pipe connecting door, outlet with light steel file file, so as not to cut wire.
The pipe welding interface to together, there can be no cracks or hi-lo (FIG. 5-105).
3.5.3 into floor distribution box (cabinet) of wire line, should be neat, nozzle is higher than the base surface is not less than 50 mm.
3.5.4 piping of the need for support throughout the following: straight every 2 ~ 2.5 m, the horizontal tube not more than 1.51 m. Metal hose is not more than 1 m, bend and access boxes at both ends is 150 mm. Each wire tube not less than 2 stents, stent can be directly buried inside the wall or use the expansion bolt.
2.6.2 steel tube into the distribution box and junction box, dark piping weld are available, and nozzle box (box) is less than 5 mm, Ming lock nut fixed piping applications, with female thread for 2 ~ 4 screw.
3.5.6 steel pipe and equipment connected to steel pipe laying into the service entrance equipment shell, if you have difficulty, can adopt the following two ways:
3.5.6.1 in add equipment of soft plastic tube is introduced into steel pipe outlet, but steel tube the distance of inlet and outlet and equipment should be within 200 mm.
3.5.6.2 equipment service entrance and dry pipe outlet with matching metal hose and hose connectors, hose pipe clamp fixed.
3.5.7 Ming piping or equipment on the surface of the metal hose should be with the equipment installation appearance, for beauty, such as the brake pipe (FIG. 5-106).
3.5.8 shaft when pipe laying wire within each layer should hold branch junction box (box), and according to the need to add terminal board.
3.5.9 tube boxes with openings for opening, aperture is not greater than 1 mm pipe diameter.
3.5.10 room wiring slot, besides design selected thick trough should be along the wall, beam or ladder board below installation, wiring duct laying mode should be vertical.
3.5.11 well trough to the branch of each layer of wire is large, should establish distribution box and consider to add terminal board.
3.5.12 from trough to elicit branch lines, if away from light, hand box, available metal hose installation; If the distance is more than 2 m, the application of pipe laying.
3.5.13 trough should be good grounding protection, line groove joints should be tight and across the ground wire (FIG. 5-107).
3.5.14 cutting trough need hand saw () can not use gas welding operation, the corner is not allowed to cut straight mouth, mouth should be along the direction of threading a 90 ° bend protection, line to prevent injury (FIG. 5-108).
3.5.15 trough using nail or expansion bolt.
3.5.16 trough installation after fill brush bituminous paint a, in case of rust.
3.6 hang accompanying cable:
3.6.1 track along the length of the cable should be based on actual location box and the bottom of the cage in the junction box; Plus two head cable bracket tie length and connection allowance for sure. Guarantee or hit the top from the bottom of the capsules group do not make with the cable taut, during normal operation does not rub capsules and ground; Squat down bottom when the cable is 100 ~ 200 mm from the ground.
3.6.2 palankeen cable bracket and shaft bracket horizontal distance of cable should be no less than: 8 core cable is 500 mm, 16 ~ 24 core cable is 800 mm.
3.6.3 before hanging over cable cable should be free trailer, make its internal stress elimination. Dogan with unfavorable cable tie lines.
3.6.4 radar echoes captured in plastic insulated wire (BV1.5 mm) will vary depending on the line tie tightly in along with the spring holder (FIG. 5-109).
3.6.5 cable into the connector should be set aside the appropriate allowance, firm pressure, neat rows.
3.6.6 distance when the cable guide bracket too close, in order to prevent damage of along with the cable, but from the bottom hole along the guide rail bracket welding phi 6 round steel to above 1.5 m in central shaft, or set up a net.
3.7 installation in slow switch, eye position switch and its touch iron:
3.7.1 touch the iron should be no distortion, deformation, after installation to adjust its verticality deviation is not more than 1/1000 of the length, the maximum deviation is not more than 3 mm (except cant touch the iron).
3.7.2 slow switch, limit switch position according to the requirements of the following:
3.7.2.1 general ac elevator at low speed (1 m/s and under), switch to the first level as forced to slow down, will be quickly converted to run slow. 2 should be used as limit, when the car for more than upper and lower end station 50 ~ 100 mm, cut along the direction of control circuit.
3.7.2.2 force reduction gear end station level or multiple reduction switch, the switch action time slightly lagging behind normal slow movements at the time. When normal slow failure, device level deceleration in accordance with the relevant provisions.
After installed 3.7.3 switch should be strong, to adjust, make it round and touch the iron reliable contact, reliable action, switch contact touch wheel slightly compressed allowance. Wheel base touch iron edge is not less than 5 mm (FIG. 3-110).
3.7.4 switch touch wheel installation direction should comply with the requirements, in case of damage (FIG. 5-111).
3.8 installation induction switch and induction plate:
3.8.1 whether in capsules on the flat layer induction switch and open the door induction switch, or in a selected layer on the tracks, car induction switch (this is not optional layer of elevator), its form is the same basic. Installation should be horizontal even vertical, each side should be in the same vertical plane, the vertical deviation is not more than 1 mm.
3.8.2 induction plate installation should be vertical, insert the sensor of place is located in the middle, if the sensor sensitivity can not meet the requirements, can be appropriately adjust the induction plate, but with each side clearance in the sensor is not less than 7 mm (as shown in figure 5-112).
3.8.3 induction plate should be up and down, left and right sides, after the adjustment bolts should be reliable locking, the normal operation of elevator may not produce friction and sensors, it is forbidden to collision.
3.9 lights, buttons, wheel installation:
3.9.1 lamp box, button box, wheel box installation should be horizontal even vertical, the error should be no greater than 4 / l000. The midline deviation indicator light box center and the door is not more than 5 mm (FIG. 5-113).
3.9.2 lights, buttons, control dial panel should GaiPing, hood is good, should not have light-leaking and optical crosstalk phenomenon.
3.9.3 button and switch should be flexible and reliable, there should be no jam phenomenon.
3.10 installation pit maintenance box:
3.10.1 overhaul box of the installation position of the bottomless pit, should choose close from the trough or junction box, easy to operate, does not affect the elevator operation. Figure 5-114 to overhaul box installed on trough closer side of the ground below.
3.10.2 pit overhaul box by expansion bolt is fixed on the wall. Overhaul box, wire and tube, the slot between across the ground wire.
3.11 cable laying and receive, welding, packages, head:
3.11.1 before threading pipe and wire slot clean, can not have water, dirt.
3.11.2 break line, according to the length of the line to set aside the appropriate allowance cannot appear when threading line damage skin, wait for a phenomenon, and set aside appropriate spare line (10 ~ 20 root for 1, 20 ~ 50 root for 2, 50 ~ 100 root case 3).
3.11.3 cable according to the wiring diagram installation, power supply must be separate installation of the lift. Drive and control circuit should be laying respectively. WeChat ID and electronic circuit should be separate installation or anti-interference measures according to the requirements of product. If in the same slot in the installation, which will add baffle plate.
3.11.7 equipment and plate of tank before line pressing wire should be along the direction of the terminal into beam, and then use string cable clip or nylon tie to fault diagnoses.
3.11.8 wire terminal should set direction set or marking plate, quoting the line number.
Strict 3.11.9 wire pressure welding, solid, there can be no loose, virtual phenomenon.
4 quality requirements
4.1 ensure projects:
4.4.1 limit, limit and slow device installation location, right functions must be reliable, switch installed firmly.
Inspection methods: observation and actual running tests.
4.1.2 power supply power cord must be separate installation of the lift.
Inspection method: to observe the examination.
4.1.3 electrical equipment and wiring insulation resistance value must be greater than 0.5 M Ω.
Test method: the measured check or check installation records.
4.1.4 protection must be good grounding (zero) system, electrical equipment skin good protection grounding (zero). Wire pipe, tank and box, junction box across the ground wire must be tightly solid, no missing.
Inspection method: to observe the inspection and check the installation records.
4.1.5 elevator trailing cable must be binding firmly and neatly, without distortion, its laying length must ensure that the capsules don't stress, don't sweep the floor when limit position.
Inspection method: to observe the examination.
4.2 the basic items:
2 rooms within the power distribution, control panel, ark, plate installation should be rational layout, namely, tidy and beautiful.
Inspection method: to observe the examination.
4.2.2 switchboard, cabinets, boxes, boxes and equipment wiring should be connected firmly, good contacts, bandage tightly, insulation and reliable, and mark clearly, binding and tidy and beautiful.
Inspection method: to observe the examination.
Holdings wire tube, groove installation should be strong, no damage, layout reasonable, outlet accurate, slot cover is complete flat, with boxes, boxes, and equipment connected correctly.
Inspection method: to observe the examination.
4.2.4 affiliated framework of electrical devices, and wire pipe, tank and other non charged metal parts of the anti-corrosion treatment should be painted, even without omission.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
Electrical equipment installation, the allowable deviation size requirement and test method are shown in table 5-15.
Electrical equipment installation, the allowable deviation size requirement and test method table 5-15
Will project test method of allowable deviation or size requirement
1 room, cabinet, screen the verticality of messenger wire, 1.5/1000 scale quantity check
Engine rooms 2/1000
Shaft in 5/1000
3 capsules on piping fixed point distance (mm) 500 feet or less quantity to check
4 metal hose fixed point distance (mm) 1000 feet or less quantity to check
5 finished product protection
5.1 to have preventive measures on the construction site, in order to avoid equipment stolen or destroyed.
5.2 rooms, scaffolding of debris, dust to clear at any time, in order to avoid falling shaft parts equipment or affect electric equipment function.
6 should pay attention to quality problems
6.1 installed inside the wall, ground wire pipe, tank and installed by the relevant department's acceptance, and acceptance after the visa can be sealed into the wall or the ground.
6.2 trough are not allowed to use gas welding or cutting hole.
6.3 for electronic circuit vulnerable to external interference, anti interference measures.
6.4 wire pipe, tank and box, junction box across the ground wire is missing, if use copper wire jumper, connecting screw must add spring washer.
6.5 after accompanying cable laying before must hang loose, be fixed.
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