Monday, November 7, 2016

Car installation

1 scope
This technology is applicable to rated load 5000kg and below rated speed 3M/s and the following types of Chinese-made traction drive elevator installation project.
2 construction preparation
2.1 devices, materials requirements:
2.1.1 car parts should be intact, complete number. Specifications to meet the requirements.
2.1.2 drive, rotating parts should be flexible and reliable (such as safety gear linkage).
2.1.3 beam (200x200) or beam (I20#), the M16 bolts, 100x100 angle, pipe of diameter round bar greater than 50mm or 75x4, 8# wire.
2.2 the main tools:
2.2.1 electric hammer, chain (3T), wire rope, wood planks, hammer, drill, spirit level, wire pendant, plate, box feet, round file.
2.3 operating conditions:
2.3.1 engine room with the doors and Windows, door locks, no non-operator access, room no debris on the ground.
2.3.2 after top scaffolding removed, there is sufficient working space.
2.3.3 construction lighting shall meet the requirements and, if necessary, use hand lamp.
2.3.4 Rails installation, alignment is complete.
2.3.5 top no deposit at the door of the Office, there are sufficient channels for handling large parts.
3 operational processes
3.1 process:

Preparations install column installation install the bottom beam beam loaded car chassis

Installation Guide install car door installed Wai fan install limit switches to touch car roof device installed iron

Installation and adjustment of overload, full load switch

3.2 preparing for work:
3.2.1 in the top layer of the concrete wall across the entrance hall the two angle brackets are installed at that location (100x100 steel), each bracket with three φ 16 expansion bolts.
At the hall door bracket across a piece of wood. In angle brackets and cross root 200x200 are not set up two wooden (or 20# I). Then fixed the wood end (Figure 5-39).
Large passenger and freight should be calculated based on the stair shaft size to determine timber and sectional models.
3.2.2 If the wall is a brick structure, in the entrance hall opposite the mark on the wall the location of two wood side adapted to the size of the hole, supporting the wood end (Figure 5-40).
3.2.3 in room bearing steel beams Shang corresponding location (if bearing steel beams in floor Xia, is in car van rope hole next) horizontal fixed a root diameter not is less than φ 50 round or specifications φ 75x4 of pipe, by car van Center rope hole at down wire rope buckle (not is less than φ 13), and hanging a 3 tons pour chain, for installation car van using (Figure 5-41).
3.3 Installing the end of beams:
3.3.1 beam placed on set up wooden poles or beams. Adjust the security clamp JAWS (Tiger mouth) and track surface gap (Figure 5-42 elevator factory drawings specified dimensions, drawings), and adjust the beam at the end of the level, so that its horizontal and vertical level 1/1000.
3.3.2 installation security clamp wedge block, wedge tooth from Guide side face of distance adjustment to 3~4mm (installation manual has provides who by provides implementation), and four a wedge block from Guide side face clearance should consistent, then with thick gasket plug Yu Guide side and wedge block Zhijian, makes its fixed (Figure 5-43), while put Tiger mouth and guide end surface with wood wedge plug tight. 3.4 Installing the column:
End of column and beam connections, connections should enable column vertical, its verticality 1.5mm over the entire height without distorting, if inadequate adjusting washers (Figure 5-44).
3.5 installing the beams;
3.5.1 beam with a chain hoist is connected with the pillar, mounted on all bolts.
3.5.2 adjust beam transverse and longitudinal degrees, make the level of degree 1/2000. Then fasten bolt.
3.5.3 Leung with a wire wheel, to adjust the sheave beams clearances, equal to a,b,c,d, and the size
Difference 1mm, rope round its vertical deviation of 0.5mm (4-45).
3.6 loading the car chassis:
3.6.1 the car chassis with a chain lift, and then place it in the appropriate location. Car chassis screws for beams with end-column, join (but do not tighten the screws). Install lift rod and adjust, make the car chassis level 2/1000 at the end of, and then tighten the lift rod with two-parent, fastening the connecting screws (Figure 5-46).
3.6.2 if its base of active structures, above the car chassis bracket installed fine, and the shock absorber is installed in the car on the chassis bracket.
3.6.3 the car chassis with a chain suspended in place slowly. Screw inserted on the shock absorber car chassis in the corresponding screw holes. , And then adjust the level of the car chassis. Its not level 2/1000. If they do not meet requirements in adjusting shock absorber parts and gaskets.
Adjust its base of the set screw, so that it is fully loaded with car kept l~2mm at the end of the gap (Figure 5-47). The process is completed, tighten the connecting screws.
3.6.4 installed, adjust the safety clamp lever reach requirements, pull top of double Busbar tightened.
3.7 installation guide:
3.7.1 require upper and lower guide roller Center and Center for safety gear on three points on the same vertical line. No skew, twist (Figure 5-48).
3.7.2 stationary guide roller to adjust the clearance, lined with track-side and 2.5 mm of clearance on either side.
3.7.3 spring-loaded guide roller with the rated load of the lift should be adjusted for different size b, so that the internal spring forces the same, keep the car balance, adjust the a=c=2 mm. B see table 5-9 and 5-49.
B adjustment table size 5-9
Lift rated load (kg) b (mm) lift rated load (kg) b (mm)
500
750
1000 42
34
30 1500
2000~3000
5000 25
25
20

3.7.4 roller Guide installed smooth, roller guide after pressing on either side, two round compression spring force should be the same manufacturer requirements the compressed size adjustment. If the manufacturers have not specified are adjusted according to the usage and the spring pressure is acceptable. Require front wheel and rail end pressure, wheel alignment guide from the Center Center (Figure 5-50).
3.8 installation wall fan:
3.8.1 Wai fan base and a car chassis connection and surrounding the connection between the fan and the base to close. The connecting screws to add the appropriate spring washer (in case the connection screw loosening due to vibrations of the elevator).
If car chassis under local injustices surrounding fan base when there is a gap, the gap adjustment gasket gasket real (Figure 5-51).
3.8.2 If the surrounding fan directly installed on a car chassis, and if there are gaps, as above.
3.8.3 install Wai fan can be installed-by-fan, also according to several pieces together first and then install. Wai fan car roof should be installed after the installation. But beware of car roof and wall fan got dressed after the connection screw not tightened to adjust the verticality deviation of not more than 1/1000 Wai fan case individually will screw fastening.
After installation requires the joint closely, gap, and neat, consistent slices flat, each part of the screw must be open, reliable fastening.
3.9 installing car door:
3.9.1 car door installation requirements see the relevant provisions for door installation.
3.9.2 safety edge should be adjusted after installation, make it vertical. Office door open safety edge end face and the car door on the face should be in the same vertical plane (Figure 5-52). Safety edge should be flexible, functional and reliable.
3.9.3 in the car doors and door mounting process is completed, install the door knife. Full length door end and side of the vertical deviation is less than 0.5mm, and meet the other requirements of the manufacturer.
3.10 installing ceiling installations:
3.10.1 car top junction box, wiring duct, wire tube, safety switch to be installed according to the manufacturers installation drawing. Without installation diagram is based on the ease of installation and maintenance of the principle of arrangement.
3.10.2 installed, adjust the opening mechanism and transmission mechanism to comply with the design requirements for manufacturers, if manufacturers have not specified that the transmission is flexible and reliable principle adjusted.
3.10.3 joins the body bar fastening screws and spring washers to prevent loosening. Body bar the height of beam height.
3.10.4 floor sensors and door sensors you want to iron according to adjustment. Requires horizontal even vertical, each side should be in the same vertical plane and the verticality deviation shall not exceed 1M m.
3.11 installation limit switch touch iron:
3.11.1 before installation to check the car cam, torsion and bending needs to be adjusted.
3.11.2 car cam installation should be strong, plus spring washer screw to be used.
Asked to touch the iron vertically, deviations should not be greater than 1/1000, the maximum deviation is less than 3mm (except for cant touch iron).
3.12 installation, adjust the overload full switch:
3.12.1 to examine high, full load switch, its movements should be flexible, functional and reliable. Installation must be firm.
3.12.2 adjusted full switch should be in the car at rated load for reliability. Adjust the overload switch should be at rated load x110% the reliability of the car.
4 quality criteria
4.1 project:
4.1.1 the elevator sill and the plots more than mm pitch deviation is prohibited.
Inspection method: standard checks.
4.1.2 open knife with the hoistway door sill and door opening set, wheel car gap between sill and must be within the scope of 5~8mm.
Inspection method: standard checks.
4.2 Basic project:
4.2.1 car assembling firm, car wall junction formation, door wall measuring verticality deviation of not more than l/1000. Car is clean and without damage.
Inspection method: observation and hanging wire, standard checks.
4.2.2 guide roller Assembly shall comply with the following requirements:
4.2.2.1 a rigid structure: to ensure normal operation of the elevator and car of two rail ends and the two surfaces within the guide shoe and 2.5 mm.
4.2.2.2 elastic structures: to ensure normal operation of the lift and guide and guide roller slider on the top surface without gaps, guide shoes spring telescopic range is less than 4mm.
4.2.2.3 roller Guide: roller guides are not Askew, even pressure, instructions provided in accordance with the regulations to adjust, Center close to the line, and in contact with the Rails face even on the entire flange width.
Inspection method: observation and standard checks.
4.2.3 doors smooth and clean, no damage. Light, smooth opening and closing. Center opening when the door is closed, lower while closing, the door.
Inspection method: do open and close Visual check.
4.2.4 security clamp wedges with the Rails side clearance should be 3~4mm, clearance maximum difference is not more than 0.3mm. Manufacturer is required should be adjusted according to product requirements.
Inspection method: check with a feeler gauge or special tools.
4.2.5 safety clamp JAWS (Tiger mouth) with rail top surface clearance of not less than 3mm, gap difference is not more than 0.5mm.
Inspection method: check with a feeler gauge or special tools.
4.2.6 check overload switch when the lift rated load x110%. Full switch should be in the elevator at rated load.
Inspection method: experimental examination.
4.3 allowable deviation:
Touch iron installed vertical, vertical deviation is less than 1/1000, the maximum deviation is less than 3mm (except for cant touch iron).
5 finished product protection
5.1 car components should be placed in the rain-proof, non-humid place.
5.2 the car was assembled, hanging the door as soon as possible, so as to avoid subtracting non-staff.
5.3 cabin doors, wall fan in place before not to tear off the protective film, if necessary, plus cover, such as veneer, kraft paper, and so on. Staff leave, locked the doors of the elevator.
6 quality problems to be noticed
6.1 Installing the column should be a natural vertical, do not meet requirements, and gasket between the upper and lower beams and columns. Adjustment cannot be forced to install.
6.2 car chassis tuning levels, between the car chassis and the chassis, the connection between the chassis and the lower beam must contact only at strict, if there are gaps in the gasket gasket solid, should not be excessively inclined lever force.

6.3 Messenger double lever must be tightened, the press-fit connecting screws fastening of the car, washer in place.

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