CN220254037U

CN220254037U - Fireproof bridge

Info

Publication number: CN220254037U
Application number: CN202321564167.1U
Authority: CN
Inventors: 张龙; 张翰滔
Original assignee: Zhenjiang Longhan Electric Co ltd
Current assignee: Zhenjiang Longhan Electric Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-26
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a fireproof bridge frame, which comprises a bridge frame body, wherein a plurality of fire-isolating plates are fixedly arranged in the bridge frame body, a cover plate is arranged at the top end of the bridge frame body, flanges are arranged at the two ends of the bridge frame body, mounting holes are formed in the surfaces of the flanges, the interior of the bridge frame body is divided into a plurality of placing cavities by the fire-isolating plates, arc-shaped wire arranging blocks are arranged at the bottom end of each placing cavity, the exterior of the bridge frame body can be prevented from being burnt by open fire through a fireproof coating coated on the surface of the bridge frame body, when a cable in the bridge frame body fires, the fire-isolating plates are matched with pressing plates at the two ends to block the fire-initiating range in the corresponding placing cavities, and the fire-isolating plates burn to release flame retardant after the fire, so that the fire-retarding and fire-extinguishing functions of the cable can be realized, and further serious loss caused by further expanding the fire of the cable in the bridge frame body can be avoided.

Description

Fireproof bridge

Technical Field

The utility model belongs to the technical field of bridges, and particularly relates to a fireproof bridge.

Background

The utility model provides a fire prevention crane span structure is applicable to the power cable below 10KV to and the laying of indoor and outdoor overhead cable ditch, tunnel such as control cable, illumination distribution, traditional cable crane span structure surface is done galvanization more, discovers through the search, "202222669950.6" has disclosed "a fire-retardant fire-resistant cable crane span structure", wherein recorded "contain crane span structure body and crane span structure apron, the both sides of crane span structure body all are equipped with the fixed block, the bottom both sides of crane span structure apron all are equipped with the recess that the cooperation fixed block was used, the outside of crane span structure body and crane span structure apron all is equipped with fire-proof coating, the crane span structure apron bottom is equipped with the closing plate", and above-mentioned crane span structure is when using and meet the naked light, and the insulating layer can effectively block outside high temperature, adds outside fire-proof coating, can effectually be when the conflagration takes place, but still has certain not enough when above-mentioned crane span structure is used: when the cable in the bridge frame is on fire due to faults, the cable is covered in the bridge frame, so that the cable is inconvenient to extinguish fire quickly, serious loss is easy to cause, and based on the fact, the fireproof bridge frame capable of conducting flame retardance and fire extinguishment on the cable in the bridge frame is very necessary.

Disclosure of Invention

The utility model aims to provide a fireproof bridge frame and aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention formula crane span structure, includes the crane span structure body, the inside fixed mounting of crane span structure body has a plurality of fire-proof plates, the apron is installed on the top of crane span structure body, the both ends of crane span structure body all are equipped with the flange, the mounting hole has been seted up to the demonstration of flange, the fire-proof plate is divided into a plurality of cavities of placing with crane span structure body internal partition, and arc reason line piece is all installed to the bottom of every cavity of placing, first screw has all been seted up to the apron both sides, the second screw has all been seted up on the top both sides of crane span structure body, the apron is fixed with first screw and second screw threaded connection through the bolt with the crane span structure body, the fire-proof plate comprises plate body and fire retardant, the intussuseption of plate is filled with the fire retardant.

As a preferable technical scheme of the utility model, the top end of the fire-proof plate is provided with a groove, and the bottom end of the cover plate is fixedly connected with a plurality of connecting strips matched with the groove.

As a preferable technical scheme of the utility model, the bottoms of the two ends of the cover plate are fixedly connected with a plurality of pressing plates matched with the width size of the placing cavity, the connecting strip is arranged between two adjacent pressing plates, the bottom ends of the pressing plates are provided with arc grooves, and the sizes of the arc grooves are matched with the sizes of the arc wire arranging blocks.

As a preferable technical scheme of the utility model, the two sides of the bridge body are provided with the first heat dissipation strip holes, and the surface of the fire-proof plate is provided with the second heat dissipation strip holes.

As a preferred technical solution of the present utility model, the dimension of the connecting strip is matched with the dimension of the groove.

As a preferable technical scheme of the utility model, when the cover plate is covered on the top of the bridge body, the connecting strip is completely inserted into the groove.

As a preferable technical scheme of the utility model, the pressing plate is also filled with a flame retardant, and the surface of the bridge body is coated with a fireproof coating.

As a preferable technical scheme of the utility model, the bridge body is made of stainless steel.

Compared with the prior art, the utility model has the beneficial effects that: the fire-proof coating coated on the surface of the bridge body can prevent the bridge body from burning when exposed fire happens to the outside, when the cable in the bridge body fires, the fire-proof plate is matched with the pressing plates at the two ends to block the fire-proof range in the corresponding placing cavity, and the plate body burns to release the fire retardant after the fire, so that the fire-proof fire-extinguishing function of the cable can be realized by the mode, and further serious loss caused by further expanding the fire of the cable in the bridge body is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a cover plate according to the present utility model;

FIG. 3 is a schematic structural view of a bridge body according to the present utility model;

fig. 4 is a schematic cross-sectional view of a bridge body according to the present utility model.

In the figure: 1. a bridge body; 2. a fire-barrier plate; 3. a cover plate; 4. a flange; 5. a mounting hole; 6. arc wire arranging blocks; 7. a first screw hole; 8. a second screw hole; 9. a plate body; 10. a flame retardant; 11. a groove; 12. a connecting strip; 13. a pressing plate; 14. an arc-shaped groove; 15. a first heat dissipation bar hole; 16. a second heat dissipating strip hole; 17. a fire-retardant coating.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a fire prevention formula crane span structure, including crane span structure body 1, crane span structure body 1 is made for the stainless steel, the inside fixed mounting of crane span structure body 1 has a plurality of flame-proof boards 2, apron 3 is installed on the top of crane span structure body 1, the both ends of crane span structure body 1 all are equipped with flange 4, mounting hole 5 has been seted up to the surface of flange 4, flame-proof board 2 is with crane span structure body 1 internal partition for a plurality of cavities of placing, arc reason line piece 6 is all installed to the bottom of every cavity of placing, first screw 7 has all been seted up to the apron 3 both sides, second screw 8 has all been seted up on the top both sides of crane span structure body 1, apron 3 and crane span structure body 1 pass through bolt and first screw 7 and second screw 8 threaded connection are fixed, flame-proof board 2 comprises plate body 9 and fire retardant 10, the intussuseption of plate body 9 is filled with fire retardant 10.

In this embodiment, the top end of the fire-barrier plate 2 is provided with a groove 11, the bottom end of the cover plate 3 is fixedly connected with a plurality of connecting bars 12 matched with the groove 11, the size of the connecting bars 12 is matched with that of the groove 11, and when the cover plate 3 is covered on the top of the bridge body 1, the connecting bars 12 are completely inserted into the groove 11.

Specifically, through locating apron 3 lid behind the bridge body 1 top and making connecting strip 12 insert recess 11, will place the cavity and simply seal through apron 3 cooperation flame retardant coating 2 and connecting strip 12 to when the cable that corresponds fires, with the fire control in the cavity of placing that corresponds, can avoid the fire to further spread.

In this embodiment, the bottoms of the two ends of the cover plate 3 are fixedly connected with a plurality of pressing plates 13 matched with the width of the placing cavity, the connecting strip 12 is arranged between two adjacent pressing plates 13, the bottom end of each pressing plate 13 is provided with an arc-shaped groove 14, and the size of each arc-shaped groove 14 is matched with the size of the corresponding arc-shaped wire arranging block 6.

Specifically, after placing the cable at the top of the arc wire arranging block 6, when the cover plate 3 is installed at the top of the bridge body 1, the pressing plate 13 is inserted into the placing cavity, and the fixing effect on the cable is completed by matching the arc wire arranging block 6 with the arc groove 14 at the bottom of the pressing plate 13.

In this embodiment, the two sides of the bridge body 1 are provided with the first heat dissipating strip holes 15, and the surface of the fire barrier 2 is provided with the second heat dissipating strip holes 16.

Specifically, the air flow in the bridge body 1 is promoted through the first radiating strip holes 15 and the second radiating strip holes 16, and the cable is prevented from being ignited due to accumulation of heat generated by heating of the cable in the bridge body 1.

In this embodiment, the pressure plate 13 is also filled with a flame retardant 10, and the surface of the bridge body 1 is coated with a fireproof coating 17.

Specifically, the pressing plate 13 is matched with the fire-proof plate 2 to simply seal the placing cavity, so that fire can be effectively controlled in the corresponding placing cavity, and the fire retardant 10 is released through the combustion plate body 9 when the cable fires, so that the open fire is prevented from being flamed and extinguished, the cable is prevented from burning in the bridge body 1 to cause great loss, and the bridge body 1 is prevented from burning in the open fire through the arranged fireproof coating 17.

Working principle: the cable is separately placed at the top of each separate placing cavity and is placed at the top of the arc wire arranging block 6, then the cover plate 3 is placed at the top of the bridge body 1 and the connecting strip 12 is inserted into the groove 11, meanwhile the pressing plate 13 is inserted into the placing cavity, then the first screw hole 7 and the second screw hole 8 are aligned, the cover plate 3 is fixed by bolts, the arc-shaped groove 14 at the bottom of the pressing plate 13 is matched with the arc-shaped wire arranging block 6 to play a role in wire arranging and fixing the cable, the pressing plate 13 is matched with the fire-isolating plate 2 to enable the placing cavity to be simply sealed, when the cable in the corresponding placing cavity fires, the fire-isolating plate 2 burns to release the internal flame retardant 10, so that the fire-isolating plate 10 plays a role in flame-retarding and extinguishing effect on the fire, and the fire-retarding body 1 can be effectively prevented from spreading due to the fact that the pressing plate 13 is positioned at two ends of the bridge body 1 and the fire retardant 10 is filled in the same, the fire can be controlled in the placing cavity, the air circulation in the bridge body 1 can be effectively prevented from being caused by spreading the fire, the fire-retarding effect can be reduced, and the fire-retarding structure can be prevented from spreading the fire-retarding and the fire-retarding structure 1 can be easily caused by setting up the fire-isolating plate 1.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fire prevention formula crane span structure, includes crane span structure body (1), its characterized in that: the novel cable bridge comprises a bridge body (1), wherein a plurality of fire-isolating plates (2) are fixedly arranged in the bridge body (1), a cover plate (3) is arranged at the top end of the bridge body (1), flanges (4) are arranged at the two ends of the bridge body (1), mounting holes (5) are formed in the surfaces of the flanges (4), the fire-isolating plates (2) divide the inside of the bridge body (1) into a plurality of placing cavities, arc-shaped wire arranging blocks (6) are arranged at the bottom end of each placing cavity, first screw holes (7) are formed in two sides of the cover plate (3), second screw holes (8) are formed in two sides of the top end of the bridge body (1), the cover plate (3) is fixedly connected with the bridge body (1) through bolts in threaded connection with the first screw holes (7) and the second screw holes (8), the fire-isolating plates (2) are composed of a plate body (9) and fire retardants (10), and the fire retardants (10) are filled in the plate body (9).

2. A fire-resistant bridge as claimed in claim 1, characterized in that: the top of the fire-proof plate (2) is provided with a groove (11), and the bottom of the cover plate (3) is fixedly connected with a plurality of connecting strips (12) matched with the groove (11).

3. A fire-resistant bridge as claimed in claim 2, characterized in that: the bottom of the two ends of the cover plate (3) is fixedly connected with a plurality of pressing plates (13) matched with the width of the placing cavity, the connecting strip (12) is arranged between the two adjacent pressing plates (13), the bottom of each pressing plate (13) is provided with an arc-shaped groove (14), and the size of each arc-shaped groove (14) is matched with the size of each arc-shaped wire arranging block (6).

4. A fire-resistant bridge as claimed in claim 1, characterized in that: the two sides of the bridge body (1) are provided with first heat dissipation strip holes (15), and the surface of the fire-proof plate (2) is provided with second heat dissipation strip holes (16).

5. A fire-resistant bridge as claimed in claim 2, characterized in that: the size of the connecting strip (12) is matched with the size of the groove (11).

6. A fire-resistant bridge as claimed in claim 2, characterized in that: when the cover plate (3) is covered on the top of the bridge body (1), the connecting strip (12) is completely inserted into the groove (11).

7. A fire-resistant bridge as claimed in claim 3, characterized in that: the pressure plate (13) is also filled with a flame retardant (10), and the surface of the bridge body (1) is coated with a fireproof coating (17).

8. A fire-resistant bridge as claimed in claim 1, characterized in that: the bridge body (1) is made of stainless steel.