CN212836249U

CN212836249U - Steel beam fireproof structure

Info

Publication number: CN212836249U
Application number: CN202021172547.7U
Authority: CN
Inventors: 刘鹏; 李宁; 葛序尧; 蔡永涛; 王龙军
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-30
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a steel beam fireproof structure, which comprises a steel beam, a silencing isolation component, a building block, an active fireproof component and a floor slab, wherein fireproof coating is arranged above and below the steel beam, the silencing isolation component is arranged on both sides of the middle part of the steel beam, the building block is fixedly connected on one side of the silencing isolation component, fireproof mortar is fixedly connected on one side of the building block, soundproof cotton is glued and connected on the right side of a shell, the cross section of the soundproof cotton is wavy, a heat conducting fin is arranged below a cavity, the upper part of the left side of the heat conducting fin is fixedly connected with a heat conducting rod, sound can be isolated and prevented from penetrating through a beam body, most of energy emitted during sound conduction is absorbed through internal vibration, noise can be reduced very well, the isolation and the sealing of sound are improved, the high-temperature combustion area can be actively isolated and cooled, the situation of high-, better active high-temperature isolation is realized.

Description

Steel beam fireproof structure

Technical Field

The utility model relates to a building technical field specifically is a girder steel fire resistive construction.

Background

A beam made of steel. Crane beams and working platform beams in a factory building, floor beams in a multi-storey building, purlins in a roof structure and the like can be steel beams. The size of the section of the steel beam is determined by calculation, and three main requirements of strength, integral stability and rigidity are met. The first two ensure the safety of the steel beam in use, and the latter ensure that excessive deformation cannot be generated to facilitate normal use. The sectional dimension of the composite beam must satisfy local stability requirements of the components in addition to the above three requirements. The thickness of the section of the hot-rolled section steel is large, and the local stability can be generally ensured.

However, the existing steel beam is not good in fireproof structure and difficult to maintain a good high-temperature fireproof effect, and only can passively isolate high temperature when the steel beam is burnt at high temperature, an active isolation and cooling means is lacked, secondly, the sound insulation effect of most steel beams is general, good sound isolation and sealing are difficult to achieve, sound penetration is often caused, and the steel beam fireproof structure is not good, so that the steel beam fireproof structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a girder steel fire resistive construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a girder steel fire resistive construction, includes girder steel, the isolated subassembly of amortization, building block, initiative fire prevention subassembly and floor, the girder steel below all is equipped with fire retardant coating, girder steel middle part both sides all are equipped with the isolated subassembly of amortization, the isolated subassembly of amortization one side fixedly connected with building block, building block one side fixedly connected with fire prevention mortar, initiative fire prevention subassembly is installed to fire prevention mortar one side, the girder steel below is equipped with the wall body, the girder steel top is equipped with the floor.

Preferably, the isolated subassembly of amortization is still including casing, return tone chamber, sideboard, a wire, suspension, amortization chamber, No. two sideboard, No. two wires, hanging ball, the internal surface left side of casing is equipped with the return tone chamber, the sideboard is connected with all inlayed to return tone chamber both sides, No. one sideboard middle part one side fixedly connected with wire, a wire one end fixedly connected with suspension, echo chamber right side fixedly connected with amortization chamber, No. two sideboard are all inlayed and are connected with below amortization chamber right side, No. two sideboard one side middle part fixedly connected with wire No. two, No. two wire one end fixedly connected with hanging ball.

Preferably, the active fire prevention assembly further comprises a shell, a metal outer plate, a heat conducting rod, a cavity, a plastic bag, water, a discharge pipe and dry powder, the metal outer plate is fixedly connected to the lower left corner of the shell, the heat conducting rod is fixedly connected to the right side of the upper portion of the metal outer plate, the cavity is arranged on the right side of the heat conducting rod, the plastic bag is slidably connected to the inner surface of the cavity, the water is arranged on the inner surface of the plastic bag, the discharge pipe is arranged on the left side of the upper portion of the cavity, and.

Preferably, the outer surface of the suspension ball is provided with an opening, and the inner surface of the suspension ball is provided with a round ball.

Preferably, sound insulation cotton is connected to the right side of the shell in a gluing mode, and the cross section of the sound insulation cotton is wavy.

Preferably, a heat conducting sheet is arranged below the cavity, and the upper side of the left side of the heat conducting sheet is fixedly connected with the heat conducting rod.

Preferably, the two ends of the discharge pipe are provided with conical openings, and the two ends of the discharge pipe are provided with films.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an isolated subassembly of amortization can keep apart sound, prevents that it from piercing through the roof beam body, and most energy that gives off when absorbing sound conduction through internal vibration can very good noise reduction, improves the isolation and the closure of sound.

2. The utility model discloses an active fire prevention subassembly can be initiative keep apart the cooling to the high temperature combustion area, reduces the situation that the high temperature was burnt, and the temperature heating inflation through inside flows, drives the dry powder and together flows out and cover large tracts of land region, realizes better initiative high temperature isolation.

3. The utility model discloses a fire retardant coating, building block and fire mortar can its structural strength of auxiliary stay, strengthens its inside anti high temperature effect of burning simultaneously, prevents that the outer condition is burnt out to the high temperature that lasts from appearing, reduces its risk, and the building block also can compensate certain noise cancelling effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the noise reduction and isolation assembly of the present invention;

fig. 3 is a schematic structural view of the active fire protection assembly of the present invention.

In the figure: the fireproof steel beam comprises a steel beam 1, fireproof paint 2, a noise reduction and isolation assembly 3, a shell 31, an echo cavity 32, a first side plate 33, a first metal wire 34, a suspension 35, a noise reduction cavity 36, a second side plate 37, a second metal wire 38, a suspension ball 39, a building block 4, fireproof mortar 5, an active fireproof assembly 6, a shell 61, a metal outer plate 62, a heat conducting rod 63, a cavity 64, a plastic bag 65, water 66, a discharge pipe 67, dry powder 68, a wall 7, a floor slab 8, an opening 301, a round ball 302, soundproof cotton 303, a heat conducting sheet 601 and a rubber sheet 602.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a girder steel fire resistive construction, includes girder steel 1, the isolated subassembly 3 of amortization, building block 4, initiative fire prevention subassembly 6 and floor 8, 1 below of girder steel all is equipped with fire

retardant coating

2, 1 middle part both sides of girder steel all are equipped with the isolated subassembly 3 of amortization, 3 one side fixedly connected with building blocks 4 of the isolated subassembly of amortization, building block 4 one side fixedly connected with fire prevention mortar 5, initiative fire prevention subassembly 6 is installed to 5 one sides of fire prevention mortar, 1 below of girder steel is equipped with

wall body

7, 1 top of girder steel is equipped with.

Further, the noise reduction isolation component 3 further comprises a shell 31, an echo cavity 32, a side plate 33, a metal wire 34, a suspension 35, a noise reduction cavity 36, a side plate 37, a metal wire 38 and a suspension ball 39, wherein the left side of the inner surface of the shell 31 is provided with the echo cavity 32, the two sides of the echo cavity 32 are respectively embedded and connected with the side plate 33, the metal wire 34 is fixedly connected to one side of the middle of the side plate 33, one end of the metal wire 34 is fixedly connected with the suspension 35, the noise reduction cavity 36 is fixedly connected to the right side of the echo cavity 32, the upper side and the lower side of the right side of the noise reduction cavity 36 are respectively embedded and connected with the side plate 37, the metal wire 38 is fixedly connected to the middle of one side of the side plate 37, and one end of the metal wire 38 is fixedly connected with the suspension ball 39.

Further, the active fire-proof assembly 6 further comprises a shell 61, a metal outer plate 62, a heat-conducting rod 63, a cavity 64, a plastic bag 65, water 66, a discharge pipe 67 and dry powder 68, the left lower corner of the shell 61 is fixedly connected with the metal outer plate 62, the heat-conducting rod 63 is fixedly connected to the right side above the metal outer plate 62, the cavity 64 is arranged on the right side of the heat-conducting rod 63, the plastic bag 65 is slidably connected to the inner surface of the cavity 64, the water 66 is arranged on the inner surface of the plastic bag 65, the discharge pipe 67 is arranged on the left side above the cavity 64.

Further, the outer surface of the suspension ball 39 is provided with an opening 301, and the inner surface of the suspension ball 39 is provided with a round ball 302.

Further, soundproof cotton 303 is glued and connected to the right side of the shell 31, and the cross section of the soundproof cotton 303 is wavy.

Further, a heat conducting sheet 601 is arranged below the cavity 64, and the upper left side of the heat conducting sheet 601 is fixedly connected with the heat conducting rod 63.

Further, conical openings are provided at both ends of the discharge tube 67, and films 602 are provided at both ends of the discharge tube 67.

The working principle is as follows: when the structure is used, the noise can be isolated by the noise-eliminating isolation component 3 firstly, the sound is prevented from penetrating through the beam body, most of energy emitted during sound conduction is absorbed through internal vibration, noise can be reduced very well, and the isolation and the closure of the sound are improved; the sound is lost by the absorption vibration of the plurality of suspensions 35 through the sound returning cavity 32, meanwhile, the sound eliminating cavity 36 on the right side guides the sound to enter the sound eliminating cavity 36 through multiple refractions, the energy of the sound is greatly absorbed through the matching of the spherical ball 302 of the suspension ball 39, the energy of the conduction vibration of the sound is nearly disappeared, and the soundproof cotton 303 is finally blocked by one layer, so that the sound is reflected again to return to the sound returning cavity 32, and the energy of the sound is repeatedly consumed.

When the structure is used, the active fireproof component 6 can actively isolate and cool a high-temperature combustion area, the situation of high-temperature burning is reduced, dry powder is driven to flow out together to cover a large-area through heating, expansion and outflow of the internal air temperature, and better active high-temperature isolation is realized; when high temperature is conducted into the cavity 64 through the metal outer plate 62 and the heat conducting rod 63, the plastic bag 65 is gradually melted, the water 66 is gradually evaporated, after the pressure of the water is increased to a certain degree, the water vapor is discharged from the discharge pipe 67, and meanwhile, the dry powder 68 is wrapped and spread to the outer region, so that the high-temperature isolation effect is actively enhanced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a girder steel fire resistive construction, includes girder steel (1), the isolated subassembly of amortization (3), building block (4), initiative fire prevention subassembly (6) and floor (8), its characterized in that: girder steel (1) below all is equipped with fire retardant coating (2), girder steel (1) middle part both sides all are equipped with the isolated subassembly of amortization (3), the isolated subassembly of amortization (3) one side fixedly connected with building block (4), building block (4) one side fixedly connected with fire prevention mortar (5), initiative fire prevention subassembly (6) are installed to fire prevention mortar (5) one side, girder steel (1) below is equipped with wall body (7), girder steel (1) top is equipped with floor (8).

2. The steel beam fire protection architecture of claim 1, wherein: the noise reduction isolation component (3) also comprises a shell (31), a sound returning cavity (32), a first side plate (33), a first metal wire (34), a suspension (35), a noise reduction cavity (36), a second side plate (37), a second metal wire (38) and a suspension ball (39), a sound returning cavity (32) is arranged on the left side of the inner surface of the shell (31), a first side plate (33) is embedded and connected on both sides of the sound returning cavity (32), one side of the middle part of the first side plate (33) is fixedly connected with a first metal wire (34), one end of the first metal wire (34) is fixedly connected with a suspension (35), the right side of the echo cavity (32) is fixedly connected with a silencing cavity (36), a second side plate (37) is embedded and connected with the upper part and the lower part of the right side of the silencing cavity (36), no. two curb plate (37) one side middle part fixedly connected with No. two wire (38), No. two wire (38) one end fixedly connected with hangs ball (39).

3. The steel beam fire protection architecture of claim 1, wherein: initiative fire prevention subassembly (6) are still including shell (61), metal planking (62), heat conduction pole (63), cavity (64), plastic bag (65), water (66), discharge pipe (67), dry powder (68), shell (61) lower left corner fixedly connected with metal planking (62), metal planking (62) top right side fixedly connected with heat conduction pole (63), heat conduction pole (63) right side is equipped with cavity (64), cavity (64) internal surface sliding connection has plastic bag (65), plastic bag (65) internal surface is equipped with water (66), cavity (64) top left side is equipped with discharge pipe (67), discharge pipe (67) middle part top is equipped with dry powder (68).

4. The steel beam fire protection architecture of claim 2, wherein: the outer surface of the suspension ball (39) is provided with an opening (301), and the inner surface of the suspension ball (39) is provided with a round ball (302).

5. The steel beam fire protection architecture of claim 2, wherein: the right side of the shell (31) is connected with soundproof cotton (303) in a gluing mode, and the cross section of the soundproof cotton (303) is wavy.

6. A steel beam fire protection architecture as claimed in claim 3, wherein: a heat conducting sheet (601) is arranged below the cavity (64), and the upper part of the left side of the heat conducting sheet (601) is fixedly connected with the heat conducting rod (63).

7. A steel beam fire protection architecture as claimed in claim 3, wherein: conical openings are formed in two ends of the discharge pipe (67), and rubber sheets (602) are arranged at two ends of the discharge pipe (67).