CN210430817U

CN210430817U - Fireproof sealing structure of cable bridge

Info

Publication number: CN210430817U
Application number: CN201921853842.6U
Authority: CN
Inventors: 段妮妮; 鱼艳妮; 王波
Original assignee: Shandong Heat Energy And Electric Power Design Institute
Current assignee: Shandong Heat Energy And Electric Power Design Institute
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-04-28
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a cable testing bridge's fire prevention block structure, including wall loading board, bearing plate and bridge frame body, the inside laminating of wall loading board has the fire prevention shutoff face, and the inboard laminating of fire prevention shutoff face has cable shutoff face, bearing plate is fixed in the inside of cable shutoff face, and the inside of cable shutoff face is provided with the cable, the side surface laminating of cable shutoff face has the sealed face of expanding, the bridge frame body is installed in the left side of bearing plate, and the inside of bearing plate is provided with the inner support plate, the surface laminating of wall loading board has fire retardant coating. The fire-proof sealing structure of the cable bridge frame is mainly characterized in that a fire-proof foaming block is adopted on a cable sealing surface, a contact gap between a cable and a wall body is sealed, the fire-proof sealing effect is further improved, the fire-proof performance of the structure is improved, the combustion range can be effectively isolated or limited, the fire is prevented from spreading and diffusing, and the economic loss is reduced.

Description

Fireproof sealing structure of cable bridge

Technical Field

The utility model relates to a fire prevention shutoff technical field specifically is a fire prevention block structure of cable testing bridge.

Background

According to the requirements of the design fire-proof standard of a thermal power plant and a transformer substation, a cable penetrating wall body in a building is plugged by adopting a cable fire-proof plugging material, the fire resistance limit of a fire-proof plugging component is not lower than the fire resistance limit of the wall body and is not lower than 1.00h, and all monomers in the power plant generally have the plugging problem after the cable is laid through the wall body and need to be paid attention.

At present, a cable fireproof plugging adopts a single fireproof material to plug, a crack is generated at a contact part of a cable and a wall under the compression of the wall, so that the fire extends, and the fireproof plugging performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable testing bridge's fire prevention block structure to solve among the above-mentioned background art at present, cable fire prevention shutoff adopts single fire-resistant shape material to block up, at the contact site of cable and wall body, at the next crack that produces of the oppression of wall body, leads to the extension of intensity of a fire, the relatively poor problem of fire prevention shutoff performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable testing bridge's fire prevention block structure, includes wall loading board, bearing plate and bridge body, the inside laminating of wall loading board has the fire prevention shutoff face, and the inboard laminating of fire prevention shutoff face has cable shutoff face, bearing plate is fixed in the inside of cable shutoff face, and the inside of cable shutoff face is provided with the cable, the side surface laminating of cable shutoff face has the shape of expanding sealed face, the bridge body is installed in the left side of bearing plate, and the inside of bearing plate is provided with the inner support plate, the surface laminating of wall loading board has fire retardant coating.

Preferably, the outer surface laminating of wall loading board has the wall body, and the wall loading board runs through in the inside of wall body, the wall loading board adopts the manganese alloy material.

Preferably, the cable plugging surface penetrates through the inside of the fireproof plugging surface, 3 groups of the cable plugging surface and the bearing supporting plate are distributed from top to bottom at equal intervals, and the fireproof plugging surface is made of fireproof plaster or fireproof modules.

Preferably, the cable blocking surface is made of a fireproof foaming block, and the expansion-shaped sealing surface is connected with the side surface of the cable blocking surface in an adhesion mode.

Preferably, the bridge frame body and the wall surface bearing plate are kept relatively parallel, and fireproof paint is adhered to the surfaces of the bridge frame body and the bearing plate.

Preferably, the lower bottom surface of the bearing supporting plate is provided with a supporting plate, the supporting plate is fixedly connected with the inner surface of the bridge frame body, and the appearance structure of the bearing supporting plate is a U-shaped structure.

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

1. the wall surface bearing plate is used as a frame, the problem that the wall body excessively extrudes a fireproof plugging surface and a cable plugging surface to cause fracture can be avoided, the safety and the stability of the fireproof plugging structure are improved, the arranged cable plugging surface enables the plugging structure to pass through a plurality of groups of cables at one time and simultaneously has a strong sealing structure, the bearing capacity of the mechanism is enabled to be stronger, and the mechanism is convenient to use;

2. the arranged cable plugging surface can seal a gap between a cable and the cable plugging surface, so that the fireproof sealing effect is further improved, the combustion range can be effectively isolated or limited, the fire spread and diffusion are prevented, the loss is reduced, the arranged bridge frame body is arranged right in front of a wall body, and the surfaces of the bridge frame body and the bearing support plate are sprayed by using fireproof paint, so that the fireproof performance is stronger, and the service life of the whole body is prolonged;

3. the device bearing plate adopts the U-shaped design, limits the cable in the inboard of U-shaped recess, avoids the cable to take place to drop when the construction is dragged, improves putting of cable stably, and overall structure is simple, and easily construction has stronger fire prevention sealing capacity.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the present invention.

In the figure: 1. a wall surface bearing plate; 2. a wall body; 3. a fireproof blocking surface; 4. a cable plugging surface; 5. a load bearing plate; 6. a cable; 7. an expansion-shaped sealing surface; 8. a fire retardant coating; 9. a bridge frame body; 10. a support plate; 11. an inner support plate.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a fireproof sealing structure of a cable bridge comprises a wall surface bearing plate 1, a bearing support plate 5 and a bridge frame body 9, wherein a fireproof sealing surface 3 is attached to the inside of the wall surface bearing plate 1, a cable sealing surface 4 is attached to the inner side of the fireproof sealing surface 3, the bearing support plate 5 is fixed to the inside of the cable sealing surface 4, a cable 6 is arranged inside the cable sealing surface 4, an expansion-shaped sealing surface 7 is attached to the side surface of the cable sealing surface 4, the bridge frame body 9 is installed on the left side of the bearing support plate 5, an inner supporting plate 11 is arranged inside the bearing support plate 5, fireproof paint 8 is attached to the outer surface of the wall surface bearing plate 1, a wall body 2 is attached to the outer surface of the wall surface bearing plate 1, the wall surface bearing plate 1 penetrates through the inside of the wall body 2, the wall surface bearing plate 1 is made of manganese alloy, the wall surface bearing plate 1 is used as a frame and is, the fireproof plugging structure has lower thermal conductivity and stronger hardness, the inner side of the fireproof plugging structure is used for bearing the fireproof plugging surface 3, the cable plugging surface 4 and the like, the problem of breakage caused by excessive extrusion of the fireproof plugging surface 3 and the cable plugging surface 4 on the wall surface can be avoided, and the safety and stability of the fireproof plugging structure are improved;

the cable plugging surface 4 penetrates through the

fireproof plugging surface

3, 3 groups of cable plugging surfaces 4 and the bearing support plate 5 are distributed from top to bottom at equal intervals, the fireproof plugging surface 3 is made of fireproof plaster or a fireproof module, and the cable plugging surface 4 is arranged at the inner side of the wall surface bearing plate 1 at equal intervals, so that the plugging structure can pass through a plurality of groups of cables 6 once and has a stronger sealing structure, the mechanism has stronger bearing capacity and is convenient to use, the cable plugging surface 4 is made of fireproof foaming blocks, the connection mode between the expansion-shaped sealing surface 7 and the side surface of the cable plugging surface 4 is adhesive connection, the cable plugging surface 4 can seal the gap between the cables 6 and the cable plugging surface 4, the fireproof sealing effect is further improved, and the fireproof performance of the structure is improved, the combustion range can be effectively isolated or limited, the fire spread and diffusion can be prevented, and the loss can be reduced;

the bridge frame body 9 keeps parallel relatively with wall loading board 1, and the surface of the bridge frame body 9 and bearing layer board 5 all bonds fire retardant coating 8, its effect is that the bridge frame body 9 that sets up is installed in the dead ahead of wall body 2, the surface of the bridge frame body 9 and bearing layer board 5 all utilizes fire retardant coating 8 to carry out the spraying, make and have stronger fire resistance, improve holistic life, the lower bottom surface of bearing layer board 5 is provided with backup pad 10, and fixed connection between backup pad 10 and the internal surface of bridge frame body 9, the appearance structure of bearing layer board 5 is the U-shaped structure, its effect is that the device bearing layer board 5 adopts the U-shaped design, restrict cable 6 in the inboard of U-shaped recess, avoid cable 6 to take place to drop when the construction is dragged, improve putting of cable 6 stably, overall structure is simple, easy construction, has stronger fire-proof sealing ability.

The working principle is as follows: for the sealing structure, the structure mainly comprises a wall surface bearing plate 1, a bearing support plate 5 and a bridge frame body 9, when the device is used, firstly, a hole with a proper size is reserved on the surface of a wall body 2, then, the wall surface bearing plate 1 with the same shape as the secondary hole can be installed on the inner side of the hole, as the wall surface bearing plate 1 is made of alloy materials and has weaker heat conduction performance, the support can be realized at the hole to avoid the hole from being loosened and falling, then, fireproof plaster or a fireproof module is filled at the inner side wall body 2 of the wall surface bearing plate 1, the bearing support plate 5 is inserted into the wall body 2 in the middle area of the wall body 2, so that the bearing support plate 5 can penetrate through the hole, and a cable 6 can be pulled to the outside through the wall body 2;

then filling fireproof foaming blocks at the cable plugging surface 4, plugging the left and right surfaces of the opening by using expansion-shaped sealing surfaces 7, wherein the expansion-shaped sealing surfaces 7 adopt expansion-shaped fireproof sealant, so that gaps between the cable 6 and the wall body 2 can be filled, the fireproof sealing performance of the structure is improved, a bridge frame body 9 parallel to the wall body 2 is arranged right in front of the wall body 2, a plurality of groups of supporting plates 10 are fixed between the two groups of bridge frame bodies 9, and the upper part of each supporting plate 10 is used for bearing the supporting plate 5 stably;

bearing plate 5 adopts the U-shaped structure, and lower terminal surface equidistance distributes the multiunit interior backup pad 11, and interior backup pad 11, bearing plate 5 and all utilize fire retardant coating 8 to carry out the spraying, make its surface have stronger fire behavior, and this structure overall structure is simple, and easily construction can effectively keep apart or limit the scope of burning, prevents that the intensity of a fire from spreading and spreading, alleviates the loss.

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 cable testing bridge's fire prevention block structure, includes wall loading board (1), bearing plate (5) and the crane span structure body (9), its characterized in that: the utility model discloses a wall bearing board, including wall bearing board (1), fireproof plugging face (3) are laminated to the inside of wall bearing board (1), and the inboard laminating of fireproof plugging face (3) has cable plugging face (4), bearing plate (5) are fixed in the inside of cable plugging face (4), and the inside of cable plugging face (4) is provided with cable (6), the side surface laminating of cable plugging face (4) has the sealed face of expanding (7), bridge frame body (9) are installed in the left side of bearing plate (5), and the inside of bearing plate (5) is provided with interior backup pad (11), the surface laminating of wall bearing board (1) has fire retardant coating (8).

2. The fire-proof blocking structure of the cable bridge frame of claim 1, wherein: the outer surface laminating of wall loading board (1) has wall body (2), and wall loading board (1) runs through in the inside of wall body (2), wall loading board (1) adopts the manganese alloy material.

3. The fire-proof blocking structure of the cable bridge frame of claim 1, wherein: the cable plugging surface (4) penetrates through the inside of the fireproof plugging surface (3), 3 groups of the cable plugging surface (4) and the bearing support plate (5) are distributed from top to bottom at equal intervals, and the fireproof plugging surface (3) is made of fireproof plaster or fireproof modules.

4. The fire-proof blocking structure of the cable bridge frame of claim 1, wherein: the cable plugging surface (4) is made of a fireproof foaming block, and the expansion-shaped sealing surface (7) is connected with the side surface of the cable plugging surface (4) in an adhesion mode.

5. The fire-proof blocking structure of the cable bridge frame of claim 1, wherein: the bridge frame body (9) and the wall surface bearing plate (1) are kept relatively parallel, and fireproof paint (8) is adhered to the surfaces of the bridge frame body (9) and the bearing support plate (5).

6. The fire-proof blocking structure of the cable bridge frame of claim 1, wherein: the lower bottom surface of the bearing supporting plate (5) is provided with a supporting plate (10), the supporting plate (10) is fixedly connected with the inner surface of the bridge frame body (9), and the appearance structure of the bearing supporting plate (5) is a U-shaped structure.