CN217984363U

CN217984363U - Novel fireproof cable bridge

Info

Publication number: CN217984363U
Application number: CN202221604417.5U
Authority: CN
Inventors: 林强
Original assignee: Fuzhou Surong Electric Complete Set Co ltd
Current assignee: Fuzhou Surong Electric Complete Set Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-06
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a cable testing bridge technical field, concretely relates to novel fireproof cable crane span structure, including the crane span structure main part, crane span structure main part bottom fixedly connected with spring base, spring base is provided with a plurality of, and top fixedly connected with memory alloy spring, memory alloy spring other end fixedly connected with PLASTIC LAMINATED, the PLASTIC LAMINATED with be provided with the slide rail between the crane span structure main part, separately place a plurality of cables through setting up fire damper, avoid taking place the interference between the cable, if the cable is ageing to take place electric leakage and burn in inside, the high temperature of production is conducted on the memory alloy spring through the louvre, alloy memory spring deformation promotes the PLASTIC LAMINATED upward movement, makes the inseparable butt of PLASTIC LAMINATED and fireproof asbestos board, and the institute is here cable place the groove room isolated with the air, reaches the purpose that prevents the further burning of cable, and is in the same reason, when the outside conflagration that takes place, this system can completely cut off outside flame equally, further protects the cable, reaches the purpose of preventing fires.

Description

Novel fireproof cable bridge

Technical Field

The utility model relates to a cable testing bridge technical field, concretely relates to novel fireproof cable testing bridge.

Background

The cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and is mainly used for comprehensive wiring such as power supply matching power transmission, wired telecommunication transfer and the like. The cable bridge generally comprises a groove box and a groove cover, a plurality of cables are placed inside the groove box and used for a long time, the aging of the cables can cause electric leakage, the electric leakage of the cables can cause fire due to the fact that the cables are close to each other, if the groove box is burnt by fire outside the groove box, the groove box can generate high temperature, the outer surfaces of the cables in the groove box can be melted by the high temperature, the electrical contact of the positive electrode and the negative electrode between the melted cables can generate serious fire, after the cables are damaged, the fire fighting work of fire fighting workers can be influenced when more conductive objects exist in a fire scene, the fire fighting workers need to pay attention to the danger of electric leakage, the fire fighting difficulty is increased, and therefore the existing cable bridge cannot effectively conduct internal and external fire protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fireproof cable crane span structure to solve the problem that proposes in the above-mentioned background art.

For realizing above-mentioned purpose, a novel fireproof cable crane span structure, including the crane span structure main part, crane span structure main part bottom fixedly connected with spring base, spring base is provided with a plurality of, and top fixedly connected with memory alloy spring, memory alloy spring other end fixedly connected with PLASTIC LAMINATED, the PLASTIC LAMINATED with be provided with the slide rail between the crane span structure main part, the PLASTIC LAMINATED top is provided with the fire prevention asbestos board, fire prevention asbestos board fixed connection be in crane span structure main part both sides.

Preferably: the outer side of the bridge frame main body is provided with a first heat dissipation hole, and the first heat dissipation hole is provided with a plurality of holes which are lower than the plane where the bottom surface of the fireproof plate is located.

Preferably, the following components: a cover plate is arranged above the bridge main body, and sliding grooves are directly formed in the cover plate and the bridge main body.

Preferably, the following components: be provided with a plurality of second louvre on the fire prevention asbestos board, it has the third louvre to set up a plurality of on the fire prevention board, and two sets of louvres can effectively derive the heat that the cable produced under the conventional condition.

Preferably, the following components: the second heat dissipation holes and the third heat dissipation holes are distributed in a staggered mode in the horizontal plane.

Preferably, the following components: the fireproof asbestos plate is fixedly connected with a fireproof baffle.

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

separately place a plurality of cables through setting up fire damper, avoid taking place the interference between the cable, through setting up first louvre, the second louvre, the third louvre, can be with the faster effluvium of heat that the cable produced, if the ageing electric leakage that takes place of cable burns in inside, the high temperature of production conducts on the memory alloy spring through the louvre, alloy memory spring deformation promotes the PLASTIC LAMINATED upward movement, make the inseparable butt of PLASTIC LAMINATED and fire prevention asbestos board, because of the second louvre and the third louvre dislocation distribution of setting in same horizontal plane, cable place groove room is isolated with the air during this time, reach the purpose that prevents the further burning of cable, and the same is good at reason, when the outside conflagration takes place, outside flame can be completely cut off equally in this system, further protect the cable, reach the purpose of preventing fires.

Drawings

Fig. 1 is a schematic view of a novel fireproof cable bridge structure provided by the present invention;

fig. 2 is a schematic structural view of a novel fireproof cable bridge frame without a cover plate provided by the utility model;

fig. 3 is a schematic side view of the novel fireproof cable bridge of the present invention.

In the figure: 1. a bridge frame body; 101. a first heat dissipation hole; 102. a chute; 103. a slide rail; 2. a cover plate; 4. a fire damper; 5. a fire-proof asbestos plate; 501. a second heat dissipation hole; 6. a fire-proof plate; 601. a third heat dissipation hole; 7. a spring mount; 701. a memory alloy spring.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to limit the scope of the present invention, and the accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, a novel fireproof cable bridge according to a preferred embodiment of the present invention includes a bridge body 1, and is characterized in that: 1 bottom fixedly connected with spring base 7 of crane span structure main part, 7 top fixedly connected with memory alloy spring 701 of spring base, memory alloy spring 701 other end fixedly connected with PLASTIC LAMINATED 6, PLASTIC LAMINATED 6 with be provided with slide rail 103 between the crane span structure main part 1, 6 tops of PLASTIC LAMINATED are provided with fire

prevention asbestos board

5, 5 fixed connection of fire prevention asbestos board are in 1 both sides of crane span structure main part.

The outer side of the bridge frame body 1 is provided with a first heat dissipation hole 101, and the first heat dissipation hole 101 is lower than the plane where the bottom surface of the fireproof plate 6 is located.

A cover plate 2 is arranged above the bridge frame main body 1, sliding grooves 102 are directly formed in the cover plate 2 and the bridge frame main body 1, and after the cable is installed, the cover plate can be covered to keep the airtightness of the upper end of the bridge frame.

The fireproof asbestos plate 5 is provided with a second heat dissipation hole 501, and the fireproof plate 6 is provided with a third heat dissipation hole 601.

The second heat dissipation hole 501 and the third heat dissipation hole 601 are distributed in a staggered manner in a horizontal plane.

Fixedly connected with fire damper 4 on the fire prevention asbestos board 5, fire damper can make and avoid the interference between the cable, and fire damper has a plurality of.

Of which particular attention is paid: sealing the cable inlet of the first cable bridge and the cable outlet of the final cable bridge to a certain degree

The utility model discloses a theory of operation: when cables are laid, different cables are placed in different groove chambers, then the upper end of the whole cable bridge is closed by covering the cover plate 2, in the working state, heat generated by the cables can be dissipated through the first heat dissipation hole 101, the second heat dissipation hole 501 and the third heat dissipation hole 601, when the cables are aged and leak electricity, the fireproof baffle plate 4 can effectively prevent interference among different cables, when the cables are aged and spontaneously combusted, high-temperature gas generated by the cables is conducted to the memory alloy spring 701 through the second heat dissipation hole 501 and the third heat dissipation hole 601, at the moment, the memory alloy spring 701 at high temperature deforms to push the fireproof plate 6 to move upwards, so that the fireproof plate 6 is tightly abutted to the fireproof asbestos plate 5, because the second heat dissipation hole 501 and the third heat dissipation hole 601 are arranged in a staggered distribution in the same horizontal plane, the groove chamber where the cables are located becomes a closed space, after air is isolated, the combusted cables can be rapidly extinguished, and the same principle can be realized.

In the above embodiments, the fire-proof plate, the fire-proof asbestos plate and the memory alloy spring are all mature prior arts, and therefore, detailed description thereof is omitted.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel fireproof cable crane span structure, includes crane span structure main part (1), its characterized in that: bridge main part (1) bottom fixedly connected with spring base (7), spring base (7) top fixedly connected with memory alloy spring (701), memory alloy spring (701) other end fixedly connected with PLASTIC LAMINATED (6), PLASTIC LAMINATED (6) with be provided with slide rail (103) between bridge main part (1), PLASTIC LAMINATED (6) top is provided with fire prevention asbestos board (5), fire prevention asbestos board (5) fixed connection is in bridge main part (1) both sides.

2. The novel fireproof cable bridge stand of claim 1, wherein: the outer side of the bridge frame body (1) is provided with a first heat dissipation hole (101), and the first heat dissipation hole (101) is lower than the plane where the bottom surface of the fireproof plate (6) is located.

3. The novel fireproof cable bridge stand of claim 1, wherein: a cover plate (2) is arranged above the bridge main body (1), and sliding grooves (102) are directly formed in the cover plate (2) and the bridge main body (1).

4. The novel fireproof cable bridge stand of claim 1, wherein: the fireproof asbestos plate is characterized in that a second heat dissipation hole (501) is formed in the fireproof asbestos plate (5), and a third heat dissipation hole (601) is formed in the fireproof plate (6).

5. The novel fireproof cable bridge stand of claim 4, wherein: the second heat dissipation hole (501) and the third heat dissipation hole (601) are distributed in a staggered mode in the horizontal plane.

6. The novel fireproof cable bridge of claim 1, wherein: and the fireproof asbestos plate (5) is fixedly connected with a fireproof baffle plate (4).