CN219825829U - Prefabricated girder steel that fireproof effect is good - Google Patents

Abstract

The utility model discloses a prefabricated steel beam with good fireproof effect, which belongs to the field of steel beams and comprises a prefabricated steel beam body, wherein fireproof plates are fixedly connected to the upper surface of the prefabricated steel beam body, radiating round holes which are equidistantly arranged are formed in the outer surface of the prefabricated steel beam body, two fireproof boxes are fixedly connected to the outer surface of the prefabricated steel beam body, heat conducting plates are fixedly connected to the inner wall of each fireproof box, radiating fin plates which are equidistantly arranged are fixedly connected to the outer surface of each heat conducting plate, and heat received by the prefabricated steel beam body during use is transferred to the heat conducting plates from the radiating round holes through the arrangement of the heat radiating round holes, the heat conducting plates, the heat radiating fin plates and the ventilation openings are matched for discharging the heat to the outside, so that the influence of fire high temperature on the prefabricated steel beam body is greatly reduced, the fireproof effect of the prefabricated steel beam body during use is improved, and the prefabricated steel beam body has the advantages of better fireproof effect and higher practicability.

Description

Prefabricated girder steel that fireproof effect is good

Technical Field

The utility model relates to the field of steel beams, in particular to a prefabricated steel beam with a good fireproof effect.

Background

The steel beam is a beam made of steel, crane beams and working platform beams in a factory building, floor beams in a multi-layer building, purlines in a roof structure and the like can be all steel beams, and the prefabricated beams are prefabricated by a factory and then transported to a construction site for installation and fixation according to the design requirement.

The utility model discloses a double-slope roof prefabricated steel girder, which belongs to the technical field of building structural members and comprises a web plate, a beam plate, wing plates and a plurality of groups of sealing plates, wherein the web plate is vertically arranged, the beam plate is positioned at the top of the web plate and is horizontally arranged, the wing plates and the sealing plates are positioned below the web plate, and the wing plates are of an inclined-plane structure.

Disclosure of Invention

The utility model aims to provide a prefabricated steel beam with good fireproof effect, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a prefabricated girder steel that fireproof effect is good, includes prefabricated girder steel body, the last fixed surface of prefabricated girder steel body is connected with the PLASTIC LAMINATED, the radiating round hole that the equidistance was arranged has been seted up to the surface of prefabricated girder steel body, the surface fixedly connected with of prefabricated girder steel body two fire-proof boxes, every the equal fixedly connected with heat-conducting plate of inner wall of fire-proof box, every the equal fixedly connected with equidistance of surface of heat-conducting plate arranges the heat dissipation fin, every the heat dissipation fin is kept away from the one end of heat-conducting plate and is all run through the fire-proof box and extend to the outside of fire-proof box, the inside of fire-proof plate is including aerosol filling layer, graphite polyphenyl layer, glass silk floss layer and wearing layer.

As still further aspects of the utility model: the wear-resistant layer is fixedly connected with the glass fiber cotton layer, the graphite polyphenyl layer is fixedly connected with the glass fiber cotton layer, and the aerosol filling layer is fixedly connected with the graphite polyphenyl layer.

As still further aspects of the utility model: the upper surface of the prefabricated steel girder body is fixedly connected with anchor stress tendons which are arranged at equal intervals, and the bottom surface of the prefabricated steel girder body is fixedly connected with three groups of cushion blocks.

As still further aspects of the utility model: the fireproof box is made of mineral glass magnesium fireproof materials, and ventilation openings are formed in the outer surface of each radiating fin plate.

As still further aspects of the utility model: the left and right sides face of prefabricated girder steel body is all fixedly connected with auxiliary fixing plate, every a plurality of screw has all been seted up to auxiliary fixing plate's surface.

As still further aspects of the utility model: each anchoring stress rib is located above the fireproof plate, and reinforcing support rods which are arranged at equal intervals are fixedly connected to the inner wall of each fireproof box.

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

this prefabricated girder steel that fireproof effect is good, through being provided with the round hole that looses, the flame proof case, the heat-conducting plate, heat dissipation fin and vent, make prefabricated girder steel body heat that receives when using gives the heat-conducting plate from the round hole that looses, cooperation use heat dissipation fin and vent to the outside, great reduction the influence of fire high temperature to prefabricated girder steel body, the fireproof effect of prefabricated girder steel body when using has been improved, through being provided with the PLASTIC LAMINATED, the glass silk floss layer, graphite polyphenyl layer and aerosol filling layer, graphite polyphenyl layer can meet fire atrophy when meeting the fire high temperature, can not produce the open flame, can effectively avoid the conflagration can directly burn prefabricated girder steel body, thereby reached the effect that can improve the fire resistance of prefabricated girder steel body, have the better and higher advantage of practicality of fireproof effect.

Drawings

FIG. 1 is a schematic perspective view of a prefabricated steel beam with good fireproof effect;

FIG. 2 is a schematic side cross-sectional view of a precast steel beam with good fire protection;

FIG. 3 is an enlarged schematic view of the structure of the prefabricated steel beam in FIG. 2A with good fireproof effect;

FIG. 4 is a schematic structural view of a prefabricated steel girder body in a prefabricated steel girder with good fireproof effect;

fig. 5 is a schematic view of a prefabricated steel beam with good fireproof effect in a top-down section.

In the figure: 1. prefabricating a steel girder body; 2. a heat dissipation round hole; 3. anchoring the stress tendons; 4. a cushion block; 5. a fire-resistant box; 6. reinforcing the support rod; 7. a heat conductive plate; 8. a heat dissipation fin; 9. a vent; 10. a fire protection plate; 11. a glass wool layer; 12. a graphite polyphenyl layer; 13. an auxiliary fixing plate; 14. a screw hole; 15. a wear-resistant layer; 16. an aerosol filling layer.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1 to 5, in the embodiment of the utility model, a prefabricated steel beam with good fireproof effect comprises a prefabricated steel beam body 1, wherein a fireproof plate 10 is fixedly connected to the upper surface of the prefabricated steel beam body 1, radiating round holes 2 which are equidistantly arranged are formed in the outer surface of the prefabricated steel beam body 1, two fireproof boxes 5 are fixedly connected to the outer surface of the prefabricated steel beam body 1, heat conducting plates 7 are fixedly connected to the inner wall of each fireproof box 5, heat radiating fin plates 8 which are equidistantly arranged are fixedly connected to the outer surface of each heat conducting plate 7, one end of each heat radiating fin plate 8, which is far away from the heat conducting plate 7, penetrates through the fireproof box 5 and extends to the outer part of the fireproof box 5, and an aerosol filling layer 16, a graphite polyphenyl layer 12, a glass silk floss layer 11 and a wear-resistant layer 15 are arranged in the fireproof plate 10.

Wear-resisting layer 15 and glass silk floss layer 11 fixed connection, graphite polyphenyl layer 12 and glass silk floss layer 11 fixed connection, aerosol filling layer 16 and graphite polyphenyl layer 12 fixed connection make PLASTIC LAMINATED 10 more stable when using, improved PLASTIC LAMINATED 10's fire prevention effect, the last fixed surface of prefabricated girder steel body 1 is connected with the anchor stress tendons 3 that the equidistance was arranged, the bottom surface fixedly connected with of prefabricated girder steel body 1 is three sets of cushion 4, the stability of prefabricated girder steel body 1 when using has been improved, further reduce the influence of conflagration high temperature to prefabricated girder steel body 1.

The fireproof box 5 is made of mineral glass magnesium fireproof materials, the ventilation openings 9 are formed in the outer surface of each radiating fin plate 8, the ventilation openings 9 are formed in the radiating fin plates 8, the radiating speed can be increased, the radiating effect of the radiating fin plates 8 is further improved, the auxiliary fixing plates 13 are fixedly connected to the left side face and the right side face of the prefabricated steel beam body 1, a plurality of screw holes 14 are formed in the outer surface of each auxiliary fixing plate 13, the installation is more convenient, the stability of the prefabricated steel beam body 1 after the installation is improved, each anchoring stress rib 3 is located above the fireproof plate 10, the reinforcing support rods 6 are fixedly connected with the inner wall of each fireproof box 5 in an equidistant mode, the stability of the fireproof box 5 can be improved, the prefabricated steel beam body 1 is more stable in use, and the fireproof box has the advantage of higher practicality.

The working principle of the utility model is as follows: when the utility model is used, after the prefabricated steel girder body 1 is installed and fixed, when a fire disaster occurs, heat generated by the fire disaster can be transmitted to the heat conducting plate 7 and the heat radiating fin plate 8 through the heat radiating round holes 2, so that the heat radiating fin plate 8 rapidly radiates the heat through the ventilation openings 9, the influence of the heat generated by the high temperature of the fire disaster on the prefabricated steel girder body 1 is reduced, through using the inside glass silk floss layer 11 of PLASTIC LAMINATED 10, utilize thermal-insulated and the fire behavior of glass silk floss layer 11, glass silk floss can meet the fire and shrink and can not produce open fire to reduce the influence to prefabricated girder steel body 1 of open fire, graphite polyphenyl layer 12 has fine fire resistance, thereby improves prefabricated girder steel body 1 fire prevention effect when using.

While the utility model has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, as long as the scope of the utility model is defined by the claims and its spirit and scope. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a prefabricated girder steel that fireproof effect is good, includes prefabricated girder steel body (1), its characterized in that, the upper surface fixedly connected with PLASTIC LAMINATED (10) of prefabricated girder steel body (1), radiating round hole (2) that the equidistance was arranged are seted up to the surface of prefabricated girder steel body (1), the surface fixedly connected with of prefabricated girder steel body (1) two fire-proof boxes (5), every the equal fixedly connected with heat-conducting plate (7) of inner wall of fire-proof box (5), every the equal fixedly connected with equidistance of surface of heat-conducting plate (7) is arranged heat dissipation wing board (8), every heat dissipation wing board (8) keep away from the one end of heat-conducting plate (7) all runs through fire-proof box (5) and extends to the outside of fire-proof box (5), the inside of PLASTIC LAMINATED (10) is including aerosol filling layer (16), graphite polyphenyl layer (12), glass silk floss layer (11) and wearing layer (15).

2. The prefabricated steel beam with good fireproof effect according to claim 1, wherein the wear-resistant layer (15) is fixedly connected with the glass fiber cotton layer (11), the graphite polyphenyl layer (12) is fixedly connected with the glass fiber cotton layer (11), and the aerosol filling layer (16) is fixedly connected with the graphite polyphenyl layer (12).

3. The prefabricated steel beam with good fireproof effect according to claim 1, wherein the upper surface of the prefabricated steel beam body (1) is fixedly connected with anchoring stress tendons (3) which are arranged at equal intervals, and the bottom surface of the prefabricated steel beam body (1) is fixedly connected with three groups of cushion blocks (4).

4. The prefabricated steel beam with good fireproof effect according to claim 1, wherein the fireproof box (5) is made of mineral glass magnesium fireproof materials, and the outer surface of each radiating fin plate (8) is provided with a vent (9).

5. The prefabricated steel beam with good fireproof effect according to claim 1, wherein the left side surface and the right side surface of the prefabricated steel beam body (1) are fixedly connected with auxiliary fixing plates (13), and a plurality of screw holes (14) are formed in the outer surface of each auxiliary fixing plate (13).

6. A prefabricated steel girder with good fireproof effect according to claim 3, characterized in that each anchoring stress rib (3) is located above the fireproof plate (10), and the inner wall of each fireproof box (5) is fixedly connected with reinforcing support rods (6) which are arranged at equal intervals.