How to install the steel-wood staircase of the duplex building? With the popularity of the Internet, many netizens love to shop online. Staircase products are no exception. Everyone thinks that since it is a finished staircase, it is not necessary to buy one part and one part. It is not necessary to install the stairs. Follow the data and requirements of the stairs design and install and adjust the installation. Here are some ways to introduce the finished stairs, for everyone's convenience and consideration. Here are some installation methods for the finished stairs: First, the installation method of single beam finished staircase (a) Installation of the stair skeleton: 1Recheck the height of the stairs to see if it matches the height of the drawing. 2 Determine the position of the stairs and the base, and the L-shape must also determine the detailed position of the support or wall support at the turn. 3 After fixing, fix the hanging and the base (2) Installation of stair treads 1 Step out, determine the installation position of the stair treads, install step by step from top to bottom, adjust the height of the small support with small support, and then connect the small support to the tread plate without fixing 2 Fix the tread plate first and then fix the small support. 3 each step is operated as above (iii) Installation of stair railings 1 first determine the position of the column to be installed, and install the column 2 fixed column base, the top fittings are loosened, and the wire and armrests are installed. 3 After the wire and armrests are installed and adjusted to the most suitable position, fix the screws on all the fence posts. Second, the installation method of the neck finished finished staircase (1) Installation method of the stair skeleton: 1Recheck the height of the stairs to see if it matches the height of the drawing. 2 Determine the position of the stairs and the base, and the L shape must also determine the detailed position of the support or wall support at the turn. 3 Place the constricted keel of the loose parts on the ground. According to the size of the drawing, the keel of the stair that is connected with the drawing will be set up according to the requirements, and the top wire will be fixed until it does not swing back and forth. 4 Lift the set necking skeleton to the installation position according to the drawings, and fix it with eyes. 5 adjust the skeleton level until the best after fixing the screws (2) Installation method of stair treads 1 Remove the tread plate, determine the installation position of the stair tread plate, install it step by step from top to bottom, adjust the height of the small support with small step support, and then connect the small support to the tread plate without fixing it. 2 Fix the tread plate first and then fix the small support. 3 Steps are operated as above, and finally all screws can be fixed and tightened. (3) Installation method of stair fence 1 first determine the position of the column to be installed, and install the column 2 fixed column base, the top fittings are loosened, and the wire and armrests are installed. 3 After the wire and armrests are installed and adjusted to the most suitable position, fix the screws on all the fence posts. Third, the installation method of the spiral staircase (1) Rotating staircase skeleton - installation method of pallet: 1Recheck the height of the stairs to see if it matches the height of the drawing. 2 Determine the installation position of the column in the spiral staircase, the connection position of the upper suspension, and measure whether the distance between the middle column and the two walls matches the drawing. 3 Place the rotating stair tray of the parts on the ground. According to the size of the drawing, the stair keel that is connected with the drawing will be set up according to the requirements, and the top wire will be fixed. 4 Put the set of rotating stair trays into the middle column tube according to the drawings, and guide the last section and the fixed tray of the wall. 5Adjust the orientation of the rotating staircase tray until the balance is coordinated 6 Fix the top wire in the rotating stair tray and tighten until the tray does not shake. (2) Installation method of stair treads 1 Remove the tread plate, determine the installation position of the stair tread plate, install it step by step from top to bottom, adjust the height of the small support with small step support, and then connect the small support to the tread plate without fixing it. 2 Check the adjustment overlap position and check whether the overlap data between each tread plate meets the design requirements. 3 After the correct error, the tread plate that fixes the rotating staircase 3 Steps are operated as above, and finally all screws can be fixed and tightened. (3) Installation method of stair fence 1 first determine the position of the column to be installed, and install the column 2 fixed column base, the top fittings are loosened, and the wire and armrests are installed. 3 After installing the wire and armrests and adjusting to the most suitable position, fix the screws on all the fence posts. 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