Ceiling structure of firm building steel structure

Abstract

The utility model relates to the technical field of steel structures, in particular to a ceiling structure of a firm building steel structure, which comprises cross beams, first surrounding plates and refractory fibers. The purlines are fixed on the top surfaces of the cross beams through screws, and the ceiling is fixed above the purlines; the first surrounding plate wraps the lower face and the two sides of the cross beam, the fixing lugs are symmetrically arranged above the first surrounding plate, and the fixing bolts penetrate through the fixing lugs to fix the first surrounding plate and the cross beam. Refractory fibers are filled between the first surrounding plate and the cross beam; the second coaming is fixedly wrapped and fixed at the lower part and two sides of the purline through screws, and refractory fibers are filled between the second coaming and the purline; the ceiling structure of the firm building steel structure is improved, so that the ceiling structure has the advantages of protecting the cross beams and the purlins, prolonging the supporting time in a fire disaster and providing enough escape time for people in a building, and therefore, the problems and defects in the prior art and equipment are effectively solved and overcome.

Description

Technical Field

[0001] This utility model relates to the field of steel structure technology, and more specifically, to a roof structure for a robust building steel structure. Background Technology

[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. They are mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. They are widely used in large factories, stadiums, and super high-rise buildings. Existing steel structures include beams, columns and reinforcing beams, with beams mounted on top of columns.

[0003] The existing steel structure building has exposed beams and purlins. When a fire occurs, the load-bearing strength of the beams and purlins will decrease in a short time under the high temperature of the flames, causing the ceiling to collapse and leaving people inside the building with very little time to escape.

[0004] In view of this, we have studied and improved the existing problems to provide a robust steel roof structure for buildings. The aim of this technology is to solve the problems and improve its practical value. Utility Model Content

[0005] The purpose of this utility model is to provide a robust roof structure for building steel structures to solve the problems and deficiencies mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides a robust steel roof structure for buildings, achieved through the following specific technical means:

[0007] A robust steel roof structure includes: columns, beams, purlins, a roof, a first enclosure panel, fixing ears, fire-resistant fibers, fixing bolts, and a second enclosure panel. The beams are fixed to the upper ends of the columns by bolts. The purlins are fixed to the top surfaces of the beams by screws, and the roof is fixed above the purlins. The first enclosure panel wraps around the lower part and both sides of the beams. The fixing ears are symmetrically arranged above the first enclosure panel, and the fixing bolts pass through the fixing ears to fix the first enclosure panel to the beams. Fire-resistant fibers are filled between the first enclosure panel and the beams. The second enclosure panel is fixed to the lower part and both sides of the purlins by screws, and fire-resistant fibers are filled between the second enclosure panel and the purlins.

[0008] As a further optimization of this technical solution, the first enclosure of the roof structure of the sturdy building steel structure of this utility model is a flame-retardant fireproof board with a cross section in the shape of the English letter "U", and the end of the first enclosure is provided with a through groove to avoid the reinforcing ribs at the connection between the beam and the column.

[0009] As a further optimization of the technical solution, the utility model discloses a ceiling structure of a solid building steel structure, the second coaming is the fire -retardant board of the section of the English letter "U" shape.

[0010] As a further optimization of the technical solution, the utility model discloses a ceiling structure of a solid building steel structure, the fixed lug is symmetrically provided with multiple places on the first coaming.

[0011] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0012] 1, the utility model first coaming is the fire -retardant board of the section of the English letter "U" shape, and the end of first coaming is provided with the through slot for passing the reinforcing bar, and first coaming is wrapped in the lower surface and both sides of crossbeam, and first coaming is filled with the setting of refractory fiber between crossbeam, and first coaming and refractory fiber play a protective role to crossbeam when fire, reduce the damage of flame temperature to crossbeam, improve the support time of crossbeam, improve the safety of building.

[0013] 2, the utility model second coaming is the fire -retardant board of the section of the English letter "U" shape, and second coaming is wrapped and fixed in the lower part and both sides of purline through screw, and second coaming is filled with the setting of refractory fiber between purline, and second coaming and refractory fiber play a protective role to purline, improve the fire resistance of purline, extend the collapse time of ceiling when fire, provide enough escape time for the personnel in building.

[0014] 3, the utility model improves the ceiling structure of the solid building steel structure, has the advantage that purline and crossbeam are protected, the support time when fire is improved, and enough escape time is provided for the personnel in building, thereby effectively solving the problems and deficiencies in the prior art and equipment. DRAWINGS

[0015] The drawings constituting a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model.

[0016] Fig. 1 It is the exploded structural schematic drawing of the utility model;

[0017] Fig. 2 It is the local exploded structural schematic drawing of the utility model;

[0018] Fig. 3 It is the first coaming structural schematic drawing of the utility model;

[0019] Fig. 4 It is the second coaming structural schematic drawing of the utility model.

[0020] In the figure: column 1, crossbeam 2, purlin 3, ceiling 4, first coaming 5, fixing lug 6, refractory fiber 7, fixing bolt 8, second coaming 9. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Please see Figs. 1 to 4 The utility model provides a kind of concrete technical implementation scheme of ceiling structure of solid building steel structure:

[0023] A kind of ceiling structure of solid building steel structure, including: column 1, crossbeam 2, purlin 3, ceiling 4, first coaming 5, fixing lug 6, refractory fiber 7, fixing bolt 8, second coaming 9;Crossbeam 2 is fixed on the upper end of column 1 by bolt;Purlin 3 is fixed on the top surface of crossbeam 2 by screw, and ceiling 4 is fixed above purlin 3;First coaming 5 is the fire-retardant board with the section of English letter "U" shape, and the end of first coaming 5 is provided with through slot for avoiding the reinforcing rib of the connecting place of crossbeam 2 and column 1;Fixing lug 6 is provided with multiple on first coaming 5;First coaming 5 is wrapped in the lower surface and both sides of crossbeam 2, fixing lug 6 is symmetrically arranged above first coaming 5, and fixing bolt 8 passes through fixing lug 6 to fix first coaming 5 with crossbeam 2;First coaming 5 and crossbeam 2 are filled with refractory fiber 7;First coaming 5 and refractory fiber 7 play a protective role on crossbeam 2 when fire occurs, reduce the damage of flame temperature to crossbeam 2, improve the support time of crossbeam 2, improve the safety of building;Second coaming 9 is the fire-retardant board with the section of English letter "U" shape;Second coaming 9 is fixedly wrapped in the lower part and both sides of purlin 3 by screw, and second coaming 9 and purlin 3 are filled with refractory fiber 7;Second coaming 9 and refractory fiber 7 play a protective role on purlin 3, improve the fire resistance of purlin 3, extend the collapse time of ceiling 4 when fire, provide enough escape time for personnel in building.

[0024] Specific implementation steps:

[0025] When installing, refractory fiber 7 is fixed on the inner wall of first coaming 5 and second coaming 9, first coaming 5 is inverted on crossbeam 2, fixing bolt 8 passes through fixing lug 6, so that first coaming 5 is fixed with crossbeam 2, second coaming 9 is inverted on purlin 3, and second coaming 9 is fixed with purlin 3 by screw, when fire occurs, first coaming 5 and second coaming 9 block flame, refractory fiber 7 further reduces the transmission of temperature, prolongs the support time of crossbeam 2 and purlin 3, and provides enough escape time for personnel in building.

[0026] In summary: the roof structure of the solid building steel structure, through the first coaming is the cross section is the English letter "U" shape fire -retardant board, and the end of the first coaming is provided with the through slot for through the reinforcing bar, the first coaming is wrapped in the lower side of beam, and the first coaming is filled with the setting of fire -resistant fiber between beam, when the fire, the first coaming and fire -resistant fiber play a protective role to beam, reduce the damage of flame temperature to beam, improve the support time of beam, improve the safety of building, through the second coaming is the cross section is the English letter "U" shape fire -retardant board, the second coaming is wrapped in the lower side of purlin and is fixed by screw, and the second coaming is filled with the setting of fire -resistant fiber between purlin, the second coaming and fire -resistant fiber play a protective role to purlin, improve the fire resistance of purlin, extend the collapse time of roof in the fire, provide enough escape time for the personnel in building, the roof structure of the solid building steel structure is improved, the beam and purlin are protected, the support time in the fire is improved, enough escape time for the personnel in building is provided, thereby effectively solve the problems and deficiencies in the prior art and equipment.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ceiling structure of a rigid building steel structure, comprising: Post (1), crossbeam (2), purlin (3), ceiling (4), first baffle (5), fixing lug (6), refractory fiber (7), fixing bolt (8), second baffle (9); characterized in that: the crossbeam (2) is fixed on the upper end of the post (1) by bolts; the purlin (3) is fixed on the top surface of the crossbeam (2) by screws, and the ceiling (4) is fixed above the purlin (3); the first baffle (5) is wrapped around the lower surface and both sides of the crossbeam (2), the fixing lug (6) is symmetrically arranged above the first baffle (5), and the fixing bolt (8) passes through the fixing lug (6) to fix the first baffle (5) and the crossbeam (2); the first baffle (5) and the crossbeam (2) are filled with refractory fiber (7); the second baffle (9) is wrapped and fixed on the lower part and both sides of the purlin (3) by screws, and the second baffle (9) and the purlin (3) are filled with refractory fiber (7).

2. A ceiling structure of a rigid building steel structure according to claim 1, characterized in that: The first baffle (5) is a fire-retardant baffle with a cross-section in the shape of the English letter "U", and the end of the first baffle (5) is provided with a through slot for avoiding the reinforcing rib at the connection between the crossbeam (2) and the post (1).

3. The ceiling structure of a rigid building steel structure according to claim 1, characterized in that: The second baffle (9) is a fire-retardant baffle with a cross-section in the shape of the English letter "U".

4. The ceiling structure of a rigid building steel structure according to claim 1, characterized in that: The fixing lug (6) is symmetrically arranged on the first baffle (5) in multiple places.

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