CN217679772U - Electrical shaft fire prevention block structure - Google Patents

Abstract

The utility model discloses an electric shaft fireproof plugging structure, which relates to the field of building construction, and comprises a wall body, a floor layer, a reserved hole, an angle steel bracket, a bridge frame, a cable, a fireproof plate, fireproof particles and a plugging layer; the bridge frame penetrates through the reserved hole to be fixedly installed on the wall body, a cable is arranged in the bridge frame, a fireproof plate is arranged at the end part of the reserved hole, fireproof particles are filled in the reserved hole, and a sealing layer is used for tightly sealing gaps among the fireproof plate, the reserved hole, the floor slab, the cable and the bridge frame; therefore, the problem of tightness of interlayer fireproof plugging of the electric vertical shaft is solved, and the tightness of the interlayer fireproof plugging is effectively improved; meanwhile, the construction efficiency of the fireproof plugging is improved, and the construction cost of the fireproof plugging is effectively reduced.

Description

Electrical shaft fire prevention block structure

Technical Field

The utility model belongs to the technical field of the construction and specifically relates to a it is an electric shaft fire prevention block structure to relate to.

Background

According to the requirement of fire control acceptance criteria of construction engineering, the cable channel in the electric shaft is plugged between layers after the cable laying is finished, and the phenomenon that a fire disaster is concentrated upwards along the electric shaft after the fire disaster happens is avoided, so that the purpose of preventing the fire disaster from spreading between layers is achieved.

The currently common interlayer plugging method is to use a fireproof bag for plugging, the tightness of the fireproof bag plugging is not easy to guarantee in the construction process, and the lower-layer smoke is easy to spread upwards through the fireproof bag gap; and the fireproof bag has higher cost price, high construction cost and difficult guarantee of construction quality.

SUMMERY OF THE UTILITY MODEL

The technical problems that the construction cost is high, the construction quality is difficult to guarantee and the like due to the fact that the interlayer plugging tightness cannot be guaranteed and the price is too high by the fireproof bag are solved; the utility model provides an electric shaft fire prevention block structure when satisfying the fire prevention demand between the layer, improves the efficiency of construction, improves the tightness of shutoff between the layer.

The technical problem of the utility model is realized through following scheme: the fireproof blocking structure for the electrical shaft comprises a wall body, a floor layer and a reserved hole, wherein the wall body and the floor layer are arranged perpendicular to each other, the reserved hole is formed in the joint of the wall body and the floor layer, and the reserved hole is formed in the wall body; including crane span structure, cable, PLASTIC LAMINATED and fire prevention granule, the crane span structure runs through and reserves entrance to a cave fixed mounting on the wall body, be provided with the cable in the crane span structure, it is provided with the PLASTIC LAMINATED to reserve entrance to a cave tip reserve the entrance to a cave and fill there is the fire prevention granule.

Through above technical scheme filling fire prevention granule in reserving the entrance to a cave is used for replacing fire prevention and envelopment stifled structure, has improved the leakproofness of shutoff between the layer, satisfies the requirement of fire prevention shutoff between the layer, avoids upwards concentrating along the electric shaft after the conflagration takes place to reach the purpose that prevents that the intensity of a fire from spreading between the layer, flue gas reveals.

Preferably, the fireproof plate comprises a lower fireproof plate layer and an upper fireproof plate layer, the lower fireproof plate layer is located at the lower end of the reserved hole, and the upper fireproof plate layer is located at the upper end of the reserved hole.

Preferably, the fireproof wall further comprises an angle iron bracket, wherein the angle iron bracket is located below the lower fireproof plate and fixedly connected with the wall.

Preferably, the fire-resistant particles are silica particles.

Preferably, the diameter of the fireproof particles is between 0.125mm and 0.25 mm.

Through the technical scheme, the fireproof particles are silica particles which are stable in property, are not flammable and explosive, are non-toxic and tasteless, can resist the high temperature of 1300-1600 ℃, and are good fireproof materials; the utility model also stipulates that the diameter of the used silicon dioxide particles is between 0.125mm and 0.25mm, and the particles with small diameter can be filled into the gaps among the reserved holes, bridges and cables; the silicon dioxide particle material is low in price, so that the construction cost is reduced, and the construction difficulty is reduced.

As preferred reserve the inside shutoff layer that is provided with of entrance to a cave, the shutoff layer includes bottom plate shutoff layer and cable shutoff layer, bottom plate shutoff layer is located reserve entrance to a cave and lower floor's PLASTIC LAMINATED gap department, cable and lower floor's PLASTIC LAMINATED gap department are provided with cable shutoff layer.

Through above technical scheme, reserve entrance to a cave and lower floor's PLASTIC LAMINATED gap department, cable and lower floor's PLASTIC LAMINATED gap department and fill and prevent that the shutoff layer can be better seal the layer between, ensure its tightness.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses utilize fire prevention granule to fill between the layer and replace fire prevention package, improved the leakproofness of shutoff between the layer, satisfied the requirement of fire prevention shutoff between the layer, upwards concentrate along electric shaft after avoiding the conflagration to take place to reach the purpose that prevents that the intensity of a fire from stretching, flue gas reveals between the layer.

2. The fireproof particles in the utility model can adopt silicon dioxide particles, the silicon dioxide particles have stable properties, are nonflammable and non-explosive, are nontoxic and tasteless, can resist the high temperature of 1300-1600 ℃, and are good fireproof materials; the fire-proof bag body is too large in volume, and gaps are generated in the hole to cause poor sealing when the fire-proof bag is stacked for filling; the diameter of the silicon dioxide particles used by the utility model is between 0.125mm and 0.25mm, and the small diameter of the particles can be filled in the gaps among reserved holes, bridges and cables; the silica particle material is low in price, and the silica particles are light in weight, so that the construction cost is reduced, and the construction difficulty is reduced.

3. The utility model is also provided with a plugging layer, and gaps among the reserved hole, the lower fireproof plate, the floor slab, the bridge frame and the cable are arranged; the gaps between the upper fireproof plate and the cables and the bridge frame are filled with the plugging layer, so that the interlayer can be better sealed, and the plugging tightness is ensured.

Drawings

FIG. 1 is a bottom view of the structure of the present invention before plugging the opening;

FIG. 2 is a top view of the structure of the present invention before plugging the opening;

FIG. 3 is the structure diagram of the utility model after the fireproof plugging;

FIG. 4 is a bottom view of the structure after the fireproof plugging of the present invention;

fig. 5 is the utility model discloses structure top view after the fire prevention shutoff.

Description of reference numerals:

1. a wall body; 2. a floor layer; 3. reserving a hole; 4. an angle iron bracket; 5. a bridge frame; 6. a cable; 7. a fire-proof plate; 701. a lower fireproof plate; 702. an upper layer of fire protection plate; 8. fire-resistant particles; 9. a blocking layer; 901. a bottom plate blocking layer; 902. and (4) a gap plugging layer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure. The present invention will be described in further detail with reference to fig. 1 to 5.

The utility model discloses a fireproof plugging structure of an electric vertical shaft, which is shown in figures 1-5; the building comprises a wall body 1, a floor layer 2 and a reserved hole 3, wherein the wall body and the floor layer 2 are arranged vertically, the reserved hole 3 is formed at the joint of the wall body 1 and the floor layer 2, and the reserved hole 3 is formed in the floor layer 2; including crane span structure 5, cable 6, PLASTIC LAMINATED 7 and fire prevention granule 8, crane span structure 5 runs through and reserves 3 fixed mounting in the wall body in the entrance to a cave, is provided with cable 6 in the crane span structure 5, reserves 3 tip in the entrance to a cave and is provided with PLASTIC LAMINATED 7, reserves 3 intussuseptions in the entrance to a cave and is filled with fire prevention granule 8 to this reaches the fire prevention shutoff between the electric shaft layer.

Wherein, PLASTIC LAMINATED 7 includes lower floor's PLASTIC LAMINATED 701 and upper strata PLASTIC LAMINATED 702, and lower floor's PLASTIC LAMINATED 701 is located and reserves 3 lower extremes in the hole, and upper strata PLASTIC LAMINATED 702 is located and reserves 3 upper ends in the hole. A lower fireproof plate 701 is used for supporting the bottom below the hole, an angle iron bracket 4 is used for fixing the lower fireproof plate 701, and the size of the fireproof plate 7 is preferably 10CM wider than the reserved hole 3 on each side; the lower fireproof plate 701 is used for sealing the bottom of the reserved hole 3 to create a space for subsequently placing the fireproof particles 8.

As shown in fig. 2, a blocking layer 9 is disposed inside the reserved hole 3, and includes a bottom blocking layer 901 and a gap blocking layer 902; the bottom plugging layer 901 is positioned at the bottom of the inner side of the reserved hole 3; the gap between the bridge frame 5 and the cable 6 is filled with a gap blocking layer 902, and the material of the blocking layer 9 uses fire-proof mud, so that the gap between the fire-proof plate 7 and the floor 2, the bridge frame 5 and the cable 6 can be avoided.

As shown in fig. 3-4, after the bottom of the reserved hole 3 is sealed by using a lower fireproof plate 701, fireproof particles 8 are filled in the reserved hole, the fireproof particles 8 are made of silica particles, the diameter of the used silica particles is regulated to be 0.125mm-0.25mm, the silica has the high-temperature resistance, is non-combustible and non-explosive, the properties of the silica still cannot be changed in a high-temperature state, and the price of the silica is lower than that of a common fireproof bag material, so that the tightness of interlayer fireproof sealing is effectively improved; the fireproof plugging construction efficiency is improved; effectively reducing the construction cost of fireproof plugging.

An upper-layer fireproof plate 702 gland is used above the reserved hole 3 again, gaps between the fireproof plate 702 and the cables 6 and between the fireproof plate 702 and the bridge 5 are filled with gaps and leveled by using a plugging layer 9, and the plugging effect is further enhanced to ensure that leakage cannot be caused by untight gap filling between structures.

The utility model discloses a fire prevention block structure includes following construction steps: 1, installing a bridge frame in a reserved hole, and laying a cable in the bridge frame; 2. fixedly mounting a lower fireproof plate at the bottom end of the reserved hole by using an angle steel bracket; 3. a cover plate is arranged on the bridge at the lower part of the lower fireproof plate; 4. filling fireproof mud in gaps among the lower fireproof plate, the floor slab and the bridge frame for sealing the gaps; 5. filling fireproof particles in the reserved hole until the position of the fireproof particles is flush with the hole, and installing an upper-layer fireproof plate at the top end of the hole filled with the fireproof particles; 6. gaps between the upper fireproof plate and the bridge frame and between the upper fireproof plate and the cable are tightly sealed by using fireproof mud, and the gaps are smoothed and smoothed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the technical matters of the present invention are not departed from the technical contents of the present invention, and any simple modification and equivalent changes made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (6)

1. The fireproof blocking structure of the electrical vertical shaft comprises a wall body (1), a floor layer (2) and a reserved hole (3), wherein the wall body (1) and the floor layer (2) are perpendicular to each other, the reserved hole (3) is formed in the connecting position of the wall body (1) and the floor layer (2), and the reserved hole (3) is formed in the wall body (1); the method is characterized in that: including crane span structure (5), cable (6), PLASTIC LAMINATED (7) and fire prevention granule (8), crane span structure (5) run through reserve entrance to a cave (3) fixed mounting on wall body (1), be provided with cable (6) in crane span structure (5), it is provided with PLASTIC LAMINATED (7) to reserve entrance to a cave (3) tip reserve entrance to a cave (3) intussuseption and be filled with fire prevention granule (8).

2. An electrical shaft fire blocking structure as claimed in claim 1, wherein: the fireproof plate (7) comprises a lower fireproof plate (701) and an upper fireproof plate (702), the lower fireproof plate (701) is located at the lower end of the reserved hole (3), and the upper fireproof plate (702) is located at the upper end of the reserved hole (3).

3. An electrical shaft fire blocking structure as claimed in claim 1, wherein: the fireproof wall is characterized by further comprising an angle iron bracket (4), wherein the angle iron bracket (4) is located below the lower fireproof plate (701), and the angle iron bracket (4) is fixedly connected with the wall body (1).

4. An electrical shaft fire blocking structure as claimed in claim 1, wherein: the fireproof particles (8) are silica particles.

5. An electrical shaft fire blocking structure as claimed in claim 1, wherein: the diameter of the fireproof particles (8) is between 0.125mm and 0.25 mm.

6. An electrical shaft fire blocking structure as claimed in claim 1, wherein: the sealing and blocking device further comprises a sealing and blocking layer (9), wherein the sealing and blocking layer (9) comprises a bottom sealing and blocking layer (901) and a gap sealing and blocking layer (902); the bottom plugging layer (901) is positioned at the bottom of the inner side of the reserved hole (3); and a gap between the bridge (5) and the cable (6) is filled with a gap plugging layer (902).

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