CN217984427U - Wear floor support body interior fire prevention smoke protection block structure - Google Patents

Abstract

The utility model discloses a wear interior fire prevention smoke protection block structure of floor support body, its steel box body in locating the support body that runs through the floor from top to bottom, box body lateral wall and support body inside wall laminating and fixed connection, even spaced being equipped with on the uncovered and diapire of box body upper end a plurality of line holes of crossing, the lower extreme of each cable stretches into the box body and corresponds and passes and stretch out the box body after each line hole of crossing, the cotton layer of fire prevention has been laid to diapire department in the box body, the top that is located the cotton layer of fire prevention in the box body is full of the fire prevention material. The advantage does, the box body can carry out the cable after the installation in the support body and lay, and each cable correspondence passes each line hole, lays the completion back, fills into the fire prevention material in to the box, realizes the support body internal seal promptly, and convenient construction, when the cable need be changed in efficient and later stage, can directly extract the damage cable, pass the line hole guide by most advanced stereoplasm guide stick again and wear to establish new cable can, it is convenient to maintain the change cable, need not block up again. The method can be used for standardized production and standardized construction, and has good popularization.

Description

Wear floor support body interior fire prevention smoke protection block structure

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to wear fire prevention smoke protection block structure in floor support body (crane span structure or ladder frame).

Background

In electric shafts and the like, cables are passed through a bridge (ladder frame) to enter upper/lower floors. In the prior art, the external fireproof and smoke-proof treatment of the bridge (ladder frame) of the through floor slab is strict, and related structural improvement researches are more, but the fireproof and smoke-proof blocking treatment measures in the bridge (ladder frame) are simpler, are generally difficult to construct, do not form standardized construction, have poor safety performance, are troublesome to overhaul and replace cables after blocking, and need to be blocked again after replacing the cables; therefore, a new fireproof and smoke-proof blocking structure in a bridge frame or a ladder frame, which has good safety and is more convenient to maintain and use, is needed to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear interior fire prevention smoke protection block structure of floor support body aims at overcoming difficult construction, the security that exists among the prior art is poor, the dimension is protected and is changed a great deal of not enough such as inconvenient.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a wear in floor support body fire prevention smoke protection block structure, its steel box body in locating the support body that runs through the floor from top to bottom, the box body lateral wall with laminating and fixed connection of support body inside wall, even spaced being equipped with on the uncovered and diapire of box body upper end a plurality of line holes of crossing, the lower extreme of each cable stretches into the box body and correspondence pass each stretch out after crossing the line hole the box body, the cotton layer of fire prevention has been laid to diapire department in the box body, be located in the box body the top on the cotton layer of fire prevention is full of the fire prevention material, the fire prevention material is from outside parcel each cable.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the box body with the support body passes through threaded connection's self tapping screw fixed on the lateral wall.

Adopt above-mentioned further scheme's beneficial effect to be, through self tapping screw realization support body and box body fixed connection, simple to operate can unscrew the self tapping screw of tearing down in addition when necessary, makes support body and box body separation, realizes the recycle of intact part or changes the damage part.

Further, the bottom wall of the box body is coated with a fireproof coating layer.

The beneficial effect who adopts above-mentioned further scheme is that, in case the box body bottom of steel material melts impairedly, then adorns the fire prevention anti-blocking material (fire prevention material, both prevent fires and smoke) in the box and can drop downwards, leads to the shutoff effect to lose, therefore the fire prevention dope layer is located the box body diapire, when the condition of a fire, can effectively delay or avoid the box bottom to melt impairedly, improves the security of this interior fire prevention smoke protection block structure.

Furthermore, the fireproof material is a granular fireproof material such as fine sand or vitrified micro bubbles.

The beneficial effects of adopting above-mentioned further scheme are that, fine sand and vitrified micro bubbles particle diameter are little, and high temperature resistant thermal-insulated effectual, can play better fire prevention smoke control effect after filling box body space.

Furthermore, the frame body is a metal bridge frame or a metal ladder frame. Metal bridges or ladders are commonly used protective structures for cables passing through walls or floors.

Furthermore, the box body is cuboid, the length of the box body in the vertical direction is 120-300mm, and the length and width of the top end opening are matched with the corresponding size of the inner cavity of the frame body.

The beneficial effect of adopting above-mentioned further scheme is that, the vertical direction length of box body is estimated to be excellent should be slightly thicker than the floor, so then the box body can middle and lower part be located the floor and perforate, and the part that stretches out to the floor is then convenient for connect self tapping screw, realizes that box body and support body are connected fixedly or dismantle the maintenance.

Compared with the prior art, the utility model discloses a technological effect and advantage do:

through the internal connection steel box body at the support body (crane span structure or ladder frame) of wearing the floor, box body upper end opening and diapire establish a plurality of confession cables and pass the line hole, the box body can carry out the cable after the installation in the support body and lay, the cable corresponds and passes each line hole, lay the completion back, fill into the fire prevention material in to the box, realize the support body internal seal promptly, convenient construction, when it needs to change the cable after efficient, can directly extract the damage cable, it can to wear to establish new cable by the guide of line hole guide of most advanced stereoplasm guide stick again, it is convenient to maintain and change the cable, need not block up again.

Drawings

Fig. 1 is a schematic view of a fireproof and smoke-proof blocking structure in a through floor frame body provided by the present invention;

FIG. 2 is a front view of the cassette of FIG. 1;

FIG. 3 is a side view of the cassette of FIG. 1;

FIG. 4 isbase:Sub>A cross-sectional view taken along A-A of the cassette body of FIG. 2;

fig. 5 is a cross-sectional view of the cartridge body of fig. 2 taken along B-B.

In the drawings, the reference numbers indicate the following list of parts:

1. a case body; 2. a wire passing hole; 3. a cable; 4. a fireproof cotton layer; 5. fire-proof materials; 6. self-tapping screws; 100. a floor slab; 200. a shelf body.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the utility model provides a wear interior fire prevention smoke protection block structure of floor support body, it is including locating steel box body 1 in the support body 200 that runs through floor 100 from top to bottom, 1 lateral wall of box body with the laminating of support body 200 inside wall and fixed connection, evenly spaced is equipped with a plurality of line holes 2 of crossing on the uncovered and diapire in 1 upper end of box body, and the lower extreme of each cable 3 stretches into 1 and the correspondence of box body passes each stretch out behind the line hole 2 box body 1, diapire department has laid fireproof cotton layer 4 in the box body 1, be located in the box body 1 the top on fireproof cotton layer 4 is full of fireproof material 5, fireproof material 5 wraps up each from the outside cable 3.

It should be noted that the wire through holes are distributed on the bottom wall of the box body in a quincunx shape, and the size of the hole diameter can be selected and configured according to the size of the pre-laid cable. The fireproof cotton is laid at the box bottom, so that the fireproof sealing effect at the box bottom is enhanced on one hand, and on the other hand, the granular or powdery fireproof material is prevented from leaking downwards through the wire through holes (a part of the wire through holes are not inserted with cables).

In an embodiment of the present invention, the box body 1 is fixed to the frame body 200 by a tapping screw 6 screwed to the side wall.

It can be understood that the box body and the frame body are fixed by self-tapping screws only in a preferred connection mode, and other common connection modes such as riveting, welding, bolt connection and the like can be selected as necessary.

In one embodiment of the present invention, the bottom wall of the box body 1 is coated with a fireproof coating layer.

In an embodiment of the present invention, the fire-proof material 5 is fine sand or vitrified micro beads.

It should be noted that the fire-proof material is preferably a granular material or a powdery material, which is advantageous in facilitating later cable addition or cable reduction, such as cable reduction because the granular fire-proof material is not a solid block-like solid material, and can be inserted into the filler and guide new cables under the action of the hard-tipped guide rod.

In an embodiment of the present invention, the frame body 200 is a metal bridge or a metal ladder frame.

In an embodiment of the present invention, the box body 1 is a rectangular parallelepiped, the length of the box body 1 in the vertical direction is 120-300mm, and the length and width of the top end opening match the corresponding size of the inner cavity of the frame body.

The utility model provides a basic principle of a fireproof and smoke-proof plugging structure in a through floor slab frame body, which is characterized in that a steel box body 1 plugging component is arranged in the middle of a through floor slab 100 in an installed frame body 200 (a bridge frame or a ladder frame), and the box body and the bridge frame (the ladder frame) are fixed by self-tapping screws; the bottom of the box body is provided with a threading hole, the surface of the bottom in the box body is paved with a fireproof cotton layer 4, and the lower surface of the bottom wall is treated with fireproof paint; after the installation of the box body is finished, the cable 3 can be laid, and after the laying of the cable is finished, fireproof sand or fine-particle fireproof materials are filled (filled) into the box body from the upper side, so that the internal sealing of the bridge frame is realized; if the cable needs to be replaced in the later stage, the damaged cable can be directly extracted, and then the sharp-end hard guide rod guides the new cable to penetrate through.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a wear in floor support body fire prevention smoke protection block structure, its characterized in that, including steel box body (1) in support body (200) of locating the upper and lower floor (100) that runs through, box body (1) lateral wall with support body (200) inside wall laminating and fixed connection, even spaced is equipped with a plurality of line holes (2) of crossing on the uncovered and diapire of box body (1) upper end, and the lower extreme of each cable (3) stretches into box body (1) and corresponding pass each stretch out behind line hole (2) box body (1), wall department has laid fireproof cotton layer (4) in box body (1), be located in box body (1) the top of fireproof cotton layer (4) is full of fireproof material (5), fireproof material (5) are from outside parcel each cable (3).

2. The structure of claim 1, wherein the box (1) is fixed to the frame (200) by self-tapping screws (6) screwed to the side walls.

3. The structure as claimed in claim 1, wherein the bottom wall of the box body (1) is coated with a fireproof coating.

4. The structure of claim 1, wherein the fire-proof material (5) is fine sand or vitrified micro-beads.

5. The structure of claim 1, wherein the frame (200) is a metal bridge or a metal ladder.

6. The structure of any one of claims 1 to 5, wherein the box body (1) is rectangular, the length of the box body (1) in the vertical direction is 120-200mm, and the length and width of the top opening are matched with the corresponding size of the inner cavity of the frame body.

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