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Installation and the baseline model Hangings Scaffolding erection requirements Scaffold platform located in the highest point of the hoistway ceiling at 1.5 ~ 1.7m Erection of scaffolding must not interfere with the position of the sample line placement, rail and heavy frame mounting; Scaffolding is best to use the top of the riser four short tube. After removal of the short tube, the remaining vertices riser bracket should be at the highest level at 500mm below in order to install the car. Scaffolding calandria span to 1.4 ~ 1.7m is appropriate, should be installed between the two tranches of a horizontal tube gear cross tube, easy to climb up and down. Tingmen each bracket below 200 ~ 400mm should be located at a horizontal tube gear At least two-thirds of each scaffold scaffold board shop Both ends of the scaffold boards stuck exhaust pipe 150 ~ 200mm, with a lead wire to # 8 with the exhaust pipe fastened. Scaffolding should be safe and sound, its carrying capacity of not less than 2500 N / m Scaffolding must go through security inspection technology sector, after acceptance, before use. Erection of model planes If the shaft wall of concrete structures in the shaft at about 1m below the roof, with expansion bolts M16 will be firmly fixed angle horizontal shaft wall Each two anteroposterior direction The two 100 × 100mm square wooden longitudinal direction, respectively, on the angle. Square solid wood ends should be leveling pad Measurement error model rack level is not greater than 3/1000. Fixed template frame ends. Model in place, hanging baseline Model of four smooth, straight. By drawing assembly. Marked on the centerline of the car model finished stitching, door Jingkuan line, the center line of the car guide rail, heavy rail centerline, the centerline of the weight, the final review of each diagonal size are equal, and the first half of the car distance from the car to the counterweight guide rails center distance, deviation is less than 0.5mm; and glued firmly. The model in place. Measuring the level of the model in the whole plane is not more than 3mm. In the top of the hoistway door kind of put two layers line, two-line distance to take the door clear width. Layer by layer measuring wells, wells and sample line to the anterior wall of the distance to meet the requirements. Each floor measuring data and records. According to the measurement results before and after adjustment model planes around, and make the kind of line and side walls meet the requirements of manufacturers. Determine the hoistway centerline, the centerline of the car and the counterweight centerline. In the model at the end of the wire hanging a light object, order slowly down to the bottomless pit. Vertical line in the middle is not in contact with the scaffolding or other objects, and do not have to make wire knot phenomenon. In line at the point of discharge, with a blade or electric knife, draw a vertical saw -V-shaped small groove so that the V-shaped groove for actinomycetes vertex point, the line into, to prevent errors caused by shifting baselines; and put a line at specify the name of this line, the end line fastened to the fixed nails. After the pit line put in the end, with the line fall when replacing actinomycetes hanging objects, any of its natural vertical stationary. Such as stroke or high wind, the line still is not easy to fall, Can put a bucket in the pit, the barrel into the right amount of water or oil, The lines fall into the barrel, increasing its swing resistance, as soon as possible so that the line still falling Baseline will be fixed on a stationary steady line wire rack, Then check the fixed point and put the line ministries size, whether the deviation diagonal size, etc., after determining correct before proceeding to the next process.
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