A sound-insulating and fire-proof assembled steel frame floor structure and installation method

Abstract

The present invention provides a soundproof and fireproof assembled steel frame floor structure, comprising: an I-beam frame layer, an upper floor layer and a lower floor layer, wherein the I-beam frame layer comprises a plurality of parallel arranged I-beams; the upper floor layer comprises a square tube frame layer and an upper composite plate layer, wherein the square tube frame layer is fixedly installed above the I-beam, and the upper composite plate layer is fixedly installed on the square tube frame layer; the lower floor layer comprises a floor plate, an angle iron and a lower flame retardant plate, wherein the floor plate is fixedly installed between a plurality of I-beams, the angle iron is fixedly installed at the bottom of the I-beam, the angle iron and the I-beam are arranged in parallel, and the lower flame retardant plate is fixedly installed at the bottom of the angle iron. The present invention also provides an installation method for a soundproof and fireproof assembled steel frame floor structure. The present invention provides a soundproof and fireproof assembled steel frame floor structure and an installation method, wherein the floor plate has excellent soundproofing and fireproofing capabilities while maintaining the characteristics of being lightweight.

Description

Technical Field

[0001] The invention relates to a steel frame floor, in particular to a sound-insulating and fire-proof assembled steel frame floor structure and an installation method. Background Art

[0002] With the growth of the domestic economy, there are more and more luxury houses, and the owners are paying more and more attention to interior decoration, especially the use of space. They all hope to maximize the use of space. For example, some owners want to add a loft on the top floor, which requires a floor slab to separate the vertical space inside the building. Considering the structural safety and the load-bearing capacity of the entire building structure, the floor slab needs to be made of a lighter and stronger material, so concrete floor slabs cannot be used, and steel frame floor slabs are needed.

[0003] With the development of home improvement technology, prefabricated construction has been widely used in various fields of home improvement due to its advantages such as low construction difficulty and standardization. The market needs steel frame floors that conform to the prefabricated concept. In addition, in terms of reducing load, the performance of existing steel frame floors is better than that of concrete floors, but the existing steel frame floors are insufficient in terms of sound insulation and fire protection. Summary of the invention

[0004] In view of this, the present invention provides a soundproof and fireproof assembled steel frame floor structure and installation method, which adopts a multi-layer steel frame interlayer floor filled with soundproof and fireproof materials in the middle, so that the floor has excellent soundproof and fireproof capabilities while maintaining the characteristics of lightness. The floor adopts an assembled structure as a whole, with low construction difficulty and high efficiency.

[0005] To this end, the present invention provides a sound-insulating and fire-proof assembled steel frame floor structure, comprising:

[0006] An I-beam frame layer, which includes a plurality of I-beams arranged in parallel;

[0007] The upper floor layer includes a square tube frame layer and an upper composite plate layer, wherein the square tube frame layer is fixedly installed above the I-beam, and the upper composite plate layer is fixedly installed on the square tube frame layer;

[0008] The lower floor layer includes a floor plate, an angle iron and a lower flame retardant plate. The floor plate is fixedly installed between a plurality of I-beams, the angle iron is fixedly installed at the bottom of the I-beams, the angle iron and the I-beams are arranged in parallel, and the lower flame retardant plate is fixedly installed at the bottom of the angle iron.

[0009] Furthermore, the square tube rack layer includes a first square tube rack layer and a second square tube rack layer from top to bottom, and the first square tube rack layer and the second square tube rack layer form an overhead structure through columns.

[0010] Furthermore, a sound absorbing board layer is provided between the first square tube frame layer and the second square tube frame layer.

[0011] Furthermore, the sound absorbing board layer includes an upper sound absorbing board and a lower sound absorbing board. The upper sound absorbing board is fixedly installed below the first square tube frame layer, and the lower sound absorbing board is fixedly installed above the second square tube frame layer. The upper sound absorbing board and the lower sound absorbing board are provided with array-arranged sound absorbing holes.

[0012] Furthermore, the cross-sections of the upper sound absorbing panel and the lower sound absorbing panel are of an uneven wave-like structure.

[0013] Furthermore, the upper composite board layer includes, from top to bottom, a first upper flame retardant board, a first sound insulation board and a second upper flame retardant board, and the second upper flame retardant board is fixedly mounted on the square tube frame layer.

[0014] Furthermore, sound insulation material is filled between the floor plate and the lower flame retardant plate to form a second sound insulation layer.

[0015] Furthermore, the second sound insulation layer is a lightweight sound insulation cotton material.

[0016] Furthermore, an assembled ceiling is arranged below the lower floor layer, and the assembled ceiling includes a hanger, a hanging piece, a main keel, a secondary keel and a base plate. The hanger is fixedly installed below the lower floor layer, the hanging piece is fixedly installed below the hanger, the main keel is fixedly installed at the bottom of the hanging piece, the secondary keel is fixedly installed below the main keel, the secondary keel is perpendicular to the main keel, and the base plate is fixedly installed at the bottom of the secondary keel.

[0017] In another aspect, the present invention provides a method for installing a sound-insulating and fire-proof assembled steel frame floor structure, comprising the following steps:

[0018] 1) The floor plate is fixedly installed between the multiple I-beams of the original I-beam frame layer, and a second sound insulation layer made of lightweight sound insulation cotton is bonded under the floor plate;

[0019] 2) Weld the angle iron under the I-beam, and then fix the lower flame retardant plate to the bottom of the angle iron, and the second sound insulation layer is located between the floor plate and the lower flame retardant plate;

[0020] 3) Welding the square tube frame layer to the I-beam, and sequentially laying the second upper flame retardant board, the first sound insulation board and the first upper flame retardant board on the square tube frame layer;

[0021] 4) Fix the hanger on the angle iron, fix the hanging parts at the bottom of the hanger, fix the main keel under the hanging parts, fix the secondary keel under the main keel, and fix the base plate under the secondary keel.

[0022] In the soundproof and fireproof assembled steel frame floor structure and installation method provided by the present invention, the structure is divided into two layers, the upper and lower layers, with the original I-beam as the boundary. The upper composite board layer is composed of a 9mm first upper flame-retardant board, a 5mm first sound insulation board and a 15mm second upper flame-retardant board, and is installed on the I-beam through a square tube frame layer composed of 40*60 square tubes. The first sound insulation board is sandwiched between the first upper flame-retardant board and the second upper flame-retardant board, which has both fireproof and soundproof capabilities. The 1mm floor board below and the 12mm lower flame-retardant board are separated by 4# angle irons, and the middle is filled with a second sound insulation layer made of lightweight sound insulation cotton, which is both environmentally friendly and easy to install. The lower floor board layer also has both fireproof and soundproof capabilities. Therefore, the steel frame floor provided by the present invention has excellent sound insulation and fireproof capabilities. The steel frame floor provided by the present invention adopts an assembled structure, and the upper floor layer and the lower floor layer formed by assembly can be flexibly adjusted. For example, the thickness of the flame retardant board used in the upper composite board layer and the number of the middle sound insulation boards can be flexibly adjusted according to needs. The assembled structure also reduces the construction difficulty and improves the construction efficiency.

[0023] The present invention provides a sound-insulating and fire-proof assembled steel frame floor structure and an installation method. The floor has excellent sound insulation and fire-proof capabilities while maintaining the characteristics of being lightweight. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0025] Figure 1 A structural schematic diagram of a sound-insulating and fire-proof assembled steel frame floor structure provided by an embodiment of the present invention;

[0026] Figure 2 A schematic structural diagram of a square tube frame layer in a sound-insulating and fire-proof assembled steel frame floor structure provided by an embodiment of the present invention;

[0027] Figure 3 A schematic structural diagram of an upper sound-absorbing panel in a sound-insulating and fire-proof assembled steel frame floor structure provided by an embodiment of the present invention;

[0028] Figure 4 A cross-sectional view of an upper sound-absorbing panel in a sound-insulating and fire-proof assembled steel frame floor structure provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0029] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] Embodiment 1:

[0031] See also Figures 1 to 4 , the figure shows a sound insulation and fireproof assembled steel frame floor structure provided by the first embodiment of the present invention, comprising:

[0032] An I-beam frame layer, comprising a plurality of I-beams 3 arranged in parallel;

[0033] The upper floor layer 1 includes a square tube frame layer 11 and an upper composite plate layer 12. The square tube frame layer 11 is fixedly installed above the I-beam 3, and the upper composite plate layer 12 is fixedly installed on the square tube frame layer 11;

[0034] The lower floor layer 2 includes a floor plate 21, an angle iron 22 and a lower flame retardant plate 23. The floor plate 21 is fixedly installed between multiple I-beams 3, the angle iron 22 is fixedly installed at the bottom of the I-beam 3, the angle iron 22 and the I-beam 3 are arranged in parallel, and the lower flame retardant plate 23 is fixedly installed at the bottom of the angle iron 22.

[0035] For details, see Figures 1 to 4 The upper composite board layer 12 includes, from top to bottom, a first upper flame retardant board 121 , a first sound insulation board 122 , and a second upper flame retardant board 123 , and the second upper flame retardant board 123 is fixedly mounted on the square tube frame layer 11 .

[0036] For details, see Figures 1 to 4 The space between the floor plate 21 and the lower flame retardant plate 23 is filled with sound insulation material to form a second sound insulation layer 24 .

[0037] For details, see Figures 1 to 4 The second sound insulation layer 24 is a lightweight sound insulation cotton material.

[0038] An assembled ceiling 4 is arranged below the lower floor layer 2, and the assembled ceiling 4 includes a hanger 41, a hanging member 42, a main keel 43, a secondary keel 44 and a base plate 45. The hanger 41 is fixedly installed below the lower floor layer 2, the hanging member 42 is fixedly installed below the hanger 41, the main keel 43 is fixedly installed at the bottom of the hanging member 42, the secondary keel 44 is fixedly installed below the main keel 43, the secondary keel 44 is perpendicular to the main keel 43, and the base plate 45 is fixedly installed at the bottom of the secondary keel 44.

[0039] In another aspect, the present invention provides a method for installing a sound-insulating and fire-proof assembled steel frame floor structure, comprising the following steps:

[0040] 1) A floor plate 21 is fixedly installed between the multiple I-beams 3 of the original I-beam frame layer, and a second sound insulation layer 24 made of lightweight sound insulation cotton is bonded under the floor plate 21;

[0041] 2) Weld the angle iron 22 below the I-beam 3, and then fix the lower flame retardant plate 23 to the bottom of the angle iron 22, and the second sound insulation layer 24 is located between the floor plate 21 and the lower flame retardant plate 23;

[0042] 3) Weld the square tube frame layer 11 to the I-beam 3, and sequentially lay the second upper flame retardant board 123, the first sound insulation board 122 and the first upper flame retardant board 121 on the square tube frame layer 11;

[0043] 4) The suspension rod 41 is fixedly installed on the angle iron 22 , the hanging piece 42 is fixed to the bottom of the suspension rod 41 , the main keel 43 is fixed below the hanging piece 42 , the secondary keel 44 is fixed below the main keel 43 , and the base plate 45 is fixed below the secondary keel 44 .

[0044] In the soundproof and fireproof assembled steel frame floor structure and installation method provided by the present invention, the structure is divided into two layers, the upper and lower layers, with the original I-beam as the boundary. The upper composite board layer is composed of a 9mm first upper flame-retardant board, a 5mm first sound insulation board and a 15mm second upper flame-retardant board, and is installed on the I-beam through a square tube frame layer composed of 40*60 square tubes. The first sound insulation board is sandwiched between the first upper flame-retardant board and the second upper flame-retardant board, which has both fireproof and soundproof capabilities. The 1mm floor board below and the 12mm lower flame-retardant board are separated by 4# angle irons, and the middle is filled with a second sound insulation layer made of lightweight sound insulation cotton, which is both environmentally friendly and easy to install. The lower floor board layer also has both fireproof and soundproof capabilities. Therefore, the steel frame floor provided by the present invention has excellent sound insulation and fireproof capabilities. The steel frame floor provided by the present invention adopts an assembled structure, and the upper floor layer and the lower floor layer formed by assembly can be flexibly adjusted. For example, the thickness of the flame retardant board used in the upper composite board layer and the number of the middle sound insulation boards can be flexibly adjusted according to needs. The assembled structure also reduces the construction difficulty and improves the construction efficiency.

[0045] The present invention provides a sound-insulating and fire-proof assembled steel frame floor structure and an installation method. The floor has excellent sound insulation and fire-proof capabilities while maintaining the characteristics of being lightweight.

[0046] Embodiment 2:

[0047] See also Figures 1 to 4 The figure shows a sound insulation and fireproof assembled steel frame floor structure provided by Example 2 of the present invention. This embodiment further makes the following improved technical solutions on the basis of the above embodiment: the square tube frame layer 11 includes a first square tube frame layer 111 and a second square tube frame layer 112 from top to bottom, and the first square tube frame layer 111 and the second square tube frame layer 112 form an overhead structure through columns 113.

[0048] The square tube frame layer composed of galvanized square tubes is a double-layer structure. The columns form an overhead space between the first square tube frame layer and the second square tube frame layer, further improving the fire resistance of the floor.

[0049] Embodiment three:

[0050] See also Figures 1 to 4 , the figure shows a sound insulation and fireproof assembled steel frame floor structure provided by Example 3 of the present invention. This embodiment further makes the following improved technical solutions on the basis of the above embodiments: a sound absorbing board layer 13 is arranged between the first square tube frame layer 111 and the second square tube frame layer 112, and the sound absorbing board layer 13 includes an upper sound absorbing board 131 and a lower sound absorbing board 132. The upper sound absorbing board 131 is fixedly installed below the first square tube frame layer 111, and the lower sound absorbing board 132 is fixedly installed above the second square tube frame layer 112. The upper sound absorbing board 131 and the lower sound absorbing board 132 are provided with array-arranged sound absorbing holes 133.

[0051] In order to further improve the sound insulation ability of the floor, a sound-absorbing layer is set in the middle of the double-layer square tube frame layer. The sound-absorbing layer is composed of an upper sound-absorbing board and a lower sound-absorbing board made of aluminum alloy. Therefore, it does not affect the fire resistance of the floor and improves the sound insulation ability.

[0052] Embodiment 4:

[0053] See also Figures 1 to 4 , the figure shows a sound-insulating and fire-proof assembled steel frame floor structure provided by Example 4 of the present invention. This embodiment further makes the following improved technical solutions on the basis of the above embodiments: the cross-section of the upper sound-absorbing panel 131 and the lower sound-absorbing panel 132 is an uneven wavy structure.

[0054] The upper sound-absorbing panel and the lower sound-absorbing panel are both wavy structures with uneven cross-sections. The upper sound-absorbing panel and the lower sound-absorbing panel are arranged symmetrically. When sound propagates between the upper sound-absorbing panel and the lower sound-absorbing panel, the vibrations thereof can offset each other, which can further improve the sound insulation capacity of the sound-absorbing layer.

[0055] Embodiment five:

[0056] See also Figures 1 to 4, the figure shows a sound insulation and fireproof assembled steel frame floor structure provided by Example 5 of the present invention. Based on the above embodiment, this embodiment further makes the following improved technical solutions: an assembled ceiling 4 is arranged below the lower floor layer 2, and the assembled ceiling 4 includes a hanger 41, a hanging piece 42, a main keel 43, a secondary keel 44 and a base plate 45. The hanger 41 is fixedly installed below the lower floor layer 2, the hanging piece 42 is fixedly installed below the hanger 41, the main keel 43 is fixedly installed at the bottom of the hanging piece 42, the secondary keel 44 is fixedly installed below the main keel 43, the secondary keel 44 is perpendicular to the main keel 43, and the base plate 45 is fixedly installed at the bottom of the secondary keel 44.

[0057] In order to decorate the floor, an assembled ceiling is set below it. The hanger is fixed on the lower floor layer by M8 expansion bolts. The hanging parts set below the hanger are fixed with a 300×600 arranged light steel keel ceiling consisting of 50 main keels and 50 secondary keels. The base board made of 9.5mm double-layer gypsum board is fixed under the 50 secondary keels by screws.

[0058] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A soundproof and fireproof assembled steel frame floor structure, characterized in that: include: An I-beam frame layer, comprising a plurality of I-beams (3) arranged in parallel; An upper floor layer (1), comprising a square tube frame layer (11) and an upper composite plate layer (12), wherein the square tube frame layer (11) is fixedly installed above the I-beam (3), and the upper composite plate layer (12) is fixedly installed on the square tube frame layer (11); A lower floor layer (2), comprising a floor plate (21), an angle iron (22) and a lower flame retardant plate (23), wherein the floor plate (21) is fixedly installed between a plurality of I-beams (3), the angle iron (22) is fixedly installed at the bottom of the I-beam (3), the angle iron (22) and the I-beam (3) are arranged in parallel, and the lower flame retardant plate (23) is fixedly installed at the bottom of the angle iron (22); The square tube frame layer (11) comprises a first square tube frame layer (111) and a second square tube frame layer (112) from top to bottom, and the first square tube frame layer (111) and the second square tube frame layer (112) form an overhead structure through columns (113); A sound absorbing board layer (13) is provided between the first square tube frame layer (111) and the second square tube frame layer (112); The sound absorbing board layer (13) comprises an upper sound absorbing board (131) and a lower sound absorbing board (132), wherein the upper sound absorbing board (131) is fixedly installed below the first square tube frame layer (111), and the lower sound absorbing board (132) is fixedly installed above the second square tube frame layer (112), and the upper sound absorbing board (131) and the lower sound absorbing board (132) are provided with sound absorbing holes (133) arranged in an array; The upper composite board layer (12) comprises, from top to bottom, a first upper flame retardant board (121), a first sound insulation board (122) and a second upper flame retardant board (123), wherein the second upper flame retardant board (123) is fixedly mounted on the square tube frame layer (11); The space between the floor plate (21) and the lower flame retardant plate (23) is filled with sound insulation material to form a second sound insulation layer (24); An assembled suspended ceiling (4) is arranged below the lower floor layer (2), and the assembled suspended ceiling (4) comprises a suspension rod (41), a hanging member (42), a main keel (43), a secondary keel (44) and a base plate (45), wherein the suspension rod (41) is fixedly installed below the lower floor layer (2), the hanging member (42) is fixedly installed below the suspension rod (41), the main keel (43) is fixedly installed at the bottom of the hanging member (42), the secondary keel (44) is fixedly installed below the main keel (43), the secondary keel (44) is perpendicular to the main keel (43), and the base plate (45) is fixedly installed at the bottom of the secondary keel (44).

2. The soundproof and fireproof assembled steel frame floor structure according to claim 1, characterized in that: The cross-sections of the upper sound absorbing plate (131) and the lower sound absorbing plate (132) are in an uneven wave-like structure.

3. The soundproof and fireproof assembled steel frame floor structure according to claim 2, characterized in that: The second sound insulation layer (24) is made of lightweight sound insulation cotton material.

4. A method for installing a soundproof and fireproof assembled steel frame floor structure according to any one of claims 1 to 3, characterized in that: The following steps are involved: 1) A floor plate (21) is fixedly installed between a plurality of I-beams (3) of an existing I-beam frame layer, and a second sound insulation layer (24) made of lightweight sound insulation cotton is bonded below the floor plate (21); 2) welding the angle iron (22) below the I-beam (3), and then fixing the lower flame retardant plate (23) on the bottom of the angle iron (22), wherein the second sound insulation layer (24) is located between the floor plate (21) and the lower flame retardant plate (23); 3) welding the square tube frame layer (11) to the I-beam (3), and sequentially laying the second upper flame retardant plate (123), the first sound insulation plate (122) and the first upper flame retardant plate (121) on the square tube frame layer (11); 4) The suspension rod (41) is fixedly installed on the angle iron (22), the bottom of the suspension rod (41) is fixed with a hanging piece (42), the main keel (43) is fixed below the hanging piece (42), the secondary keel (44) is fixed below the main keel (43), and the base plate (45) is fixed below the secondary keel (44).

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