Installation process flow of vented tray pricing china: Positioning and layout → Pre-embedded iron parts or expansion bolts → Installation of supports, hangers and brackets → installation of bridge frames → installation of protective grounding. vented tray pricing china editor tells you: According to the construction drawing, determine the starting and ending positions. Along the marked direction on the drawing, find the horizontal, vertical and curved connections. Use powder bags or lines to mark or draw lines along the direction of the bridge frame on the walls, ceilings, floors, beams, slabs, columns, etc., and evenly mark the positions of supports, hangers and brackets.
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The self-made processing of embedded iron parts should not be less than 120mm×80mm×6mm. The diameter of its anchor round steel shall not be less than 10mm.
(2) Closely cooperate with the construction of the civil structure, ensure that the embedded iron parts are tightly attached to the formwork, and fix the anchor round steel to the reinforcing bars inside the structure by binding or welding. After the concrete formwork is removed, the embedded iron parts are exposed on the plane, and the supports, hangers or brackets are welded onto them for fixation.
(3) Select the corresponding expansion bolts and drill bits according to the load that the support can bear. After the bolts are buried, the brackets or hangers can be directly fixed to the metal expansion bolts with nuts and corresponding washers.
Installation of supports and hangers
(1) The steel used for the supports and hangers should be straight without significant distortion. After cutting, the length deviation should be within 3mm, and there should be no curled edges or burrs at the cut surface.
(2) Steel supports and hangers should be welded firmly without significant deformation. For supports and iron parts with a thickness exceeding 4mm before welding, bevels should be made. The weld seams should be uniform and smooth, and the weld length should meet the requirements. Defects such as cracks, undercutting, pores, depressions, and missed welds should not occur.
(3) The supports and hangers should be installed firmly. When installing brackets and hangers on buildings with slopes, they should be level and vertical, consistent with the slope and Angle of the building.
(4) The specifications of the supports and hangers generally should not be smaller than 30mm×3mm of the flat steel. Angle steel 25mm×25mm×3mm;
(5) It is strictly prohibited to cut any part of the steel structure or light steel keel by electric welding.
The lifting gear should be a standardized product and each should have its own independent lifting clamps or support systems.
The spacing of fixed support points generally should not exceed 1.5 to 2 meters. Fixed support points should be set up within 500mm at both ends of the junction box, box, cabinet, corners, turns and expansion joints, as well as at the three ends of the T-joint.
It is strictly prohibited to fix brackets and hangers with wooden bricks.
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