Sample installation and baseline hung set up process

1 scope

This technology is applicable to rated load 5000kg and below rated speed is 3M/s and the following types of Chinese-made model traction lifts installed hanging and baseline installation work.

2 construction preparation

2.1 materials requirements:

2.1.1 wood template should be used, drying, toughness, deformation of the wood. And on all sides planed, straight.

2.1.2 in accordance with different lifting height, model cross section of not less than the values listed in the table 5-1.

Model cross section required in table 5-1

Lifting height (m) of the thickness (mm) width (mm)

≤ 20

20~60

>60 40

50

60 80

100

100

Note: the dimensions called for in net after processing dimensions.

2.1.3 cross section after processing is not less than 100x100mm; wood (erecting a model), angles, M16 bolts, u-Staples, nails, piano wire 8# wire and so on.

2.2 the main tools:

Hammer, hammer, level, square, steel ruler, boxes, wire pendant, ink.

2.3 operating conditions:

2.3.1 in hoistway scaffolding is completed, and in compliance with the construction and installation engineering scaffold safety technology operating and installation drawings provided by the Department.

2.3.2 1.5~1.7m under the scaffold platform is the highest point in shaft roof, so that the stable model. Top four short tubes for scaffolding risers the best. After the demolition of the short tube, the remaining vertices should be at the top of the standpipe cow legs 500mm for easy car installation (Figure 5-l).

2.3.3 scaffolding tube distance to 1.4~1.7m is appropriate, for ease of installation, each office door bracket 200~400mm should be set below first gear cross tube, should be installed between two horizontal pipe first gear cross tube, easy to climb up and down, PU 2/3 scaffold, scaffold every step at least, staggered on each floor decking to reduce fall risk (Figure 5-2A).

2.3.4 foot lever ends of pipe sticking out 150~200mm, with the 8# wire with tubes tied (Figure 5-2B).

2.3.5 scaffolding must check the security technologies sector, after acceptance, can be used.

2.3.6 on-site construction, lighting must conform to the national standards of the technical specification for temporary electrical safety of construction site

Ask.

2.3.7 the layer must have good protective gate at the entrance of the Office; and the entrance hall and each step on the scaffold should be kept clean and free of debris.

2.3.8 the actual measured height, pit depth shall be in conformity with drawings, and accounting for whether it can meet the requirements of the more drive.

3 operational processes

3.1 process:

Setting templates → → measuring shaft, to determine baseline model in place, hanging baseline

3.1.1 setting templates:

3.1.1.1 below the shaft roof 1.2m using expansion bolts to firmly fixed on the angle iron levels and on the wall (Figure 5-3).

3.1.1.2 panel of wall of brick walls, should be well 1.1M about picking his holes horizontally under the roof, stabilizing model wood support and end fixity (Figure 5-4).

3.1.1.3 sample pad real leveling bracket wood end, the level of error cannot be greater than 3/1000.

3.1.2 measurement shaft to determine standard line

3.1.2.1 root entrance hall two-wire measurement shaft. NET open space between two lines.

3.1.2.2 when well results to determine the baseline should pay attention to the problem:

A well installed parts on the car running without prejudice, such as rope for velocity limiter, layers steel, limit switches,

Middle box frame, and so on. Taking into account the car door on track and sill and wall distance and wall distance must be guaranteed in the car and running up and down its movement parts shaft stationary components and structures within the net distance shall not be less than 30mm.

B when determining car rail line, according to the road height requirements, taking into account the installation location has no problem.

Road height is calculated as follows (Figure 5-5):

H=L-A-B-C

Type H--

L——

A——

B——

C--high road (left);

Car Center to the wall (left) distance;

Distance between car and inner surface of the safety gear;

Safety gear and track surface distance (3~4mm);

Rail height and thickness of gasket.

C the track centre line should be considered when determining the width (including weight, the most prominent parts) from the wall and the car should have a clearance of not less than 50mm.

D front and rear door (connecting door) elevator shaft depth ≥ width of hoistway door sill X2+ hoistway door sill to sill depth clearance X2+ the car and car. Borehole vertical and should take into account the situation meets the installation requirements.

E the hoistway door sill position determination, should be based on the measured line each bracket and the distance of the line, after plans, should take care of most, we should take the little tick or wall bracket and farthest from the wall sill after steady load, its door on column and wall clearance is less than 30mm.

F for the Office building equipped with marble door and decorative wall of the elevator, due to their construction in the back, so when the door to the baseline is determined, except in accordance with the aforementioned e consideration, would also like to refer to the construction figure, taking into account the construction against the door and decorative walls.

G on two or more side by side installation should pay attention to the center of lift from the line with the building plans, should be based on well construction on all door indicator, button box position into account, so that its height is consistent and coordinated with the building to ensure appearance.

H for multiple parallel lift when determining a baseline, in addition to the things that should be noticed, depending on the building and door construction size consideration should also lift waiting width on either side of the Office, two elevator relatively uniform at the door of the Office, to ensure that the elevator door construction or civil marble door appearance requirements (Figure 5-6).

When I determine the baseline should also review the room layout. Traction machines, beams, speed limiter, generators, limit switches, layer and other electrical equipment layouts to be problem-free maintenance is convenient, and make any necessary adjustments.

3.1.3 model in place, hung to the baseline:

3.1.3.1 prototype manufacturing (Figure 5-7). Model of wood should be planed on four sides, straight, according to drawings and assembled with adhesive, and templates in place.

Benchmark perpendicular amounts to 10, including:

Baseline 4 car guide

Baseline 4 heavy rail

Hall door sill Baseline 2

To simplify construction, hanging baseline may also does not use the sample as a whole, instead of nailed wood directly on the wooden Strip. Used materials but must meet section requirements.

3.1.3.2 regardless of used model method or straight nail wood article method, first should according to 3rd. 1.2 article requirements for overall consider Hou, determine out ladder well center line, car van frame center line, on heavy center line (Figure 5-7), then determine out the benchmark vertical of put line points, underlined Shi using fine pencil, check correct, again review the on with line size whether equal, deviation not should is greater than 0.3 m m. Model or on wooden sticks in the horizontal plane shall not be greater than 3 m m.

3.1.3.3 in template, attach one end of wire hanging a light object, order slowly down to the pit. Vertical line not in contact with scaffolding or other objects, and not the wire knot.

3.1.3.4 the payoff point, saw or an electric knife, vertical sawn or draw a v-shaped Groove, makes v-Groove point line, put the line in, in case the baseline shift error, and indicate the name of this line at the line, attaching the tail lines in nails put in prison (Figure 5-8).

3.1.3.5 line pits the back, replace the line with line hanging objects, naturally vertical static. Journey of a high or windy, lines not resting can put a bucket in the pits at the end of, the line fell into water or oil, increase its swing resistance line to fall the rest as soon as possible (Figure 5-9).

3.1.3.6 600~1000mm in the pit with wood supports under the fixed model, baseline static fixed with u-shaped clamp will line model wood, and then check the model of each payoff point on a fixed point size, diagonal size there is no difference, sure is correct, the next step (Figure 5-10).

4 quality criteria

4.1 project:

4.1.1 baseline dimensions must be in accordance with the drawings, the line bias should not be greater than 0.3mm.

Inspection method: standard.

4.1.2 the baseline must be vertical.

Check: the hanging wire, and standards.

4.2 Basic project:

4.2.1 sample standard deviation shall not be greater than 3/1000.

4.2.2 compound lifts, door Center distance deviation must not exceed 20mm.

4.2.3 relative elevators, door center-line deviation must not exceed 20mm.

5 finished product protection

5.1 the Office of fence to maintain good to avoid subtracting non-staff members.

5.2 operations against falling objects and avoid smashing a model.

5.3 when a job well, careful not to touch the lines at the gate of the Office; well when operating in, particularly in electricity and gas welding job, take care to the baseline.

6 quality problems to be noticed

6.1 when determining the car guide to the baseline, both should first review the drawing size and full size are the same. Inconsistencies should be based on physical size. And by related departments and personnel.

6.2 prior to each job shall review a baseline, verify that no shift, after contact with other objects, to be homework.

6.3 in the tick within the sinking wall and door floor display box, call boxes at the hole, clean the scaffold and timely protection measures should be taken to prevent smashing a model.