Flame-retardant and heat-insulating groove-type bridge

Abstract

The utility model belongs to the technical field of cable laying, and particularly relates to a flame-retardant and heat-insulating groove type bridge which comprises a groove frame and a groove cover arranged on the groove frame, and the groove frame comprises a metal flame-retardant outer shell I, a flame-retardant and heat-insulating sandwich plate I and a metal groove frame. The metal flame-retardant outer shell I, the flame-retardant heat-insulating sandwich plate I and the metal groove frame are fixedly connected in sequence from inside to outside, the groove cover comprises a metal flame-retardant outer shell II, a flame-retardant heat-insulating sandwich plate II and a metal groove cover, and the metal flame-retardant outer shell II, the flame-retardant heat-insulating sandwich plate II and the metal groove cover are fixedly connected in sequence from inside to outside; positioning edge protrusions are integrally formed on the two sides of the upper end of the metal groove frame, a plurality of magnetic attraction pieces are fixedly connected to the upper ends of the positioning edge protrusions, positioning grooves are formed in the two sides of the bottom end of the metal groove cover, and the positioning grooves are connected with the positioning edge protrusions in a clamped mode and fixed through the magnetic attraction pieces in a magnetic attraction mode. According to the utility model, the cable arranged in the metal groove frame is subjected to flame-retardant and heat-insulating protection, so that the cable can be safely used.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable laying, and in particular relates to a flame-retardant and heat-insulating trough-type bridge. Background Art

[0002] Trough type bridge is also called trough type cable bridge. It is suitable for laying computer cables, communication cables, thermocouple cables, etc. It has a good effect on protecting cables from shielding interference and corrosive environments.

[0003] The trough type bridge itself is mostly made of fire-resistant metal materials and has a certain flame retardant effect, but the single pure metal frame structure has poor thermal insulation effect. When a fire occurs under the indoor trough type bridge, the cables inside the trough type bridge are easily deformed and damaged due to the external heat, which is not conducive to the flame retardant and heat insulation protection of the cables in the trough frame and is poor to use.

[0004] To this end, the utility model proposes a flame retardant and heat insulating trough type bridge. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a flame retardant and heat-insulating trough type bridge frame, which provides flame retardant and heat-insulating protection for cables laid in the metal trough frame, so as to facilitate the safe use of the cables.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flame-retardant heat-insulating trough bridge, comprising a trough frame and a trough cover arranged on the trough frame, the trough frame comprising a metal flame-retardant outer shell, a flame-retardant heat-insulating sandwich board and a metal trough frame, and the metal flame-retardant outer shell, the flame-retardant heat-insulating sandwich board and the metal trough frame are fixedly connected in sequence from the inside to the outside, and the trough cover comprises a metal flame-retardant outer shell, a flame-retardant heat-insulating sandwich board and a metal trough cover, and the metal flame-retardant outer shell, the flame-retardant heat-insulating sandwich board and the metal trough cover are fixedly connected in sequence from the inside to the outside;

[0007] Both sides of the upper end of the metal slot frame are integrally formed with positioning edge protrusions, and the upper ends of the positioning edge protrusions are fixedly connected to a plurality of magnetic suction sheets. Both sides of the bottom end of the metal slot cover are provided with positioning grooves, and the positioning grooves are snap-connected with the positioning edge protrusions and fixed by magnetic suction sheets.

[0008] As a preferred technical solution for a flame-retardant and heat-insulating trough-type bridge frame of the utility model, the left and right sides of the end of the metal flame-retardant outer shell are integrally connected with fixed ear plates, and two fixing holes are provided on the fixed ear plates.

[0009] As an optimal technical solution for a flame-retardant and heat-insulating trough-type bridge frame of the utility model, the metal flame-retardant outer shell, the flame-retardant and heat-insulating sandwich panel and the metal trough frame are all "U"-shaped structures.

[0010] As a preferred technical solution for a flame-retardant and heat-insulating trough-type bridge frame of the utility model, the second metal flame-retardant outer shell and the second flame-retardant and heat-insulating sandwich panel are both "V"-shaped structures.

[0011] As an optimal technical solution for a flame-retardant and heat-insulating trough-type bridge frame of the utility model, the metal flame-retardant outer shell one, the metal trough frame, the metal flame-retardant outer shell two and the metal trough cover are all stainless steel components.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The trough frame structure in the utility model is composed of a metal flame retardant outer shell 1, a flame retardant heat insulation sandwich panel 1 and a metal trough frame which are arranged in sequence from the outside to the inside, and the trough cover structure is composed of a metal flame retardant outer shell 2, a flame retardant heat insulation sandwich panel 2 and a metal trough cover which are arranged in sequence from the outside to the inside. When in use, the outermost layer of the metal flame retardant outer shell 1 and the metal flame retardant outer shell 2 can be used for the outermost flame retardant fire protection, and the flame retardant heat insulation sandwich panel 1 and the flame retardant heat insulation sandwich panel 2 of the middle layer can be further used for flame retardant heat insulation, so as to provide flame retardant and heat insulation protection for the cables laid in the metal trough frame, so as to ensure the safe use of the cables.

[0014] 2. The utility model is provided with a positioning edge protrusion on the metal trough frame, and a plurality of magnetic suction sheets are further provided on the positioning edge protrusion, and a plurality of positioning grooves are provided on the metal trough cover at the same time. The trough cover structure can be positioned and engaged by the positioning edge protrusion and the positioning groove, and further fixed by magnetic suction by a plurality of magnetic suction sheets, so that the trough cover structure can be quickly installed and subsequently disassembled relative to the trough frame structure, and the opening cover for inspection and other operations of the cables in the trough frame structure is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a partial structural schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0018] Figure 3 It is a schematic diagram of the partial structure of the separation of the slot frame and the slot cover of the utility model;

[0019] Figure 4 It is a schematic diagram of the local structure of the trough frame of the utility model;

[0020] Figure 5 It is a schematic diagram of the local structure of the slot cover of the utility model.

[0021] In the figure: 11. Metal flame retardant outer shell 1; 12. Flame retardant heat insulating sandwich panel 1; 13. Metal slot frame; 14. Fixing ear plate; 15. Fixing hole; 16. Positioning edge protrusion; 17. Magnetic suction sheet; 21. Metal flame retardant outer shell 2; 22. Flame retardant heat insulating sandwich panel 2; 23. Metal slot cover; 24. Positioning groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-5 , the utility model provides the following technical solutions: a flame retardant and heat-insulating trough type bridge frame, comprising a trough frame and a trough cover arranged on the trough frame;

[0025] Reference Figure 1 , Figure 3 and Figure 4 As shown, further, the trough frame includes a metal flame retardant outer shell 11, a flame retardant heat-insulating sandwich panel 12 and a metal trough frame 13, the metal flame retardant outer shell 11, the flame retardant heat-insulating sandwich panel 12 and the metal trough frame 13 are all "U"-shaped structures, and the metal flame retardant outer shell 11, the flame retardant heat-insulating sandwich panel 12 and the metal trough frame 13 are fixedly connected in sequence from the inside to the outside, the metal flame retardant outer shell 11 and the metal trough frame 13 are all stainless steel components, and the flame retardant heat-insulating sandwich panel 12 is a flame retardant heat-insulating panel, such as a heat-resistant partition fiberboard or other flame retardant heat-insulating materials that can meet the above-mentioned use requirements;

[0026] Reference Figure 1 , Figure 3 and Figure 5 As shown, further, the slot cover includes a metal flame retardant outer shell 21, a flame retardant heat insulating sandwich board 22 and a metal slot cover 23, the metal flame retardant outer shell 21 and the flame retardant heat insulating sandwich board 22 are both "V" shaped structures, and the metal flame retardant outer shell 21, the flame retardant heat insulating sandwich board 22 and the metal slot cover 23 are fixedly connected in sequence from the inside to the outside, the metal flame retardant outer shell 21 and the metal slot cover 23 are both stainless steel components, and the flame retardant heat insulating sandwich board 22 are both flame retardant heat insulating panels, such as heat-resistant partition board fiberboard or other flame retardant heat insulating materials that can meet the above-mentioned use requirements;

[0027] Reference Figure 1 , Figure 3 and Figure 4As shown, further, the left and right sides of the end of the metal flame retardant outer shell 11 are integrally connected with a fixing ear plate 14, and two fixing holes 15 are provided on the fixing ear plate 14, wherein the fixing ear plate 14 with the fixing holes 15 is used for the bolt connection between two adjacent slot frames, and for the corners, the bolt connection can be carried out with the help of an "L"-shaped or other shaped joint, which is not specifically shown in the figure.

[0028] In the present embodiment, the trough frame structure in the utility model is composed of a metal flame retardant outer shell 11, a flame retardant heat insulating sandwich panel 12 and a metal trough frame 13 which are arranged in sequence from the outside to the inside, and the trough cover structure is composed of a metal flame retardant outer shell 21, a flame retardant heat insulating sandwich panel 22 and a metal trough cover 23 which are arranged in sequence from the outside to the inside. When in use, the outermost layer of the metal flame retardant outer shell 11 and the metal flame retardant outer shell 21 can be used for flame retardant fire protection, and further flame retardant and heat insulation can be performed by the flame retardant heat insulating sandwich panel 12 and the flame retardant heat insulating sandwich panel 22 of the middle layer, so as to provide flame retardant and heat insulating protection for the cables laid in the metal trough frame 13, so as to ensure the safe use of the cables.

[0029] Reference Figure 2 , Figure 4 and Figure 5 As shown, further, positioning edge protrusions 16 are integrally formed on both sides of the upper end of the metal slot frame 13, and a plurality of magnetic suction plates 17 are fixedly connected to the upper ends of the positioning edge protrusions 16. Positioning grooves 24 are provided on both sides of the bottom end of the metal slot cover 23, and the positioning grooves 24 are snap-connected with the positioning edge protrusions 16 and are magnetically fixed by the magnetic suction plates 17. Among them, the metal slot cover 23 made of stainless steel has a high iron content and can be magnetically attracted.

[0030] In this embodiment, the utility model is provided with a positioning edge protrusion 16 on the metal slot frame 13, and the positioning edge protrusion 16 is further provided with a plurality of magnetic suction plates 17, and at the same time a plurality of positioning grooves 24 are provided on the metal slot cover 23. The slot cover structure can be positioned and engaged by the positioning edge protrusion 16 and the positioning groove 24, and further fixed by magnetic attraction by a plurality of magnetic suction plates 17, so that the slot cover structure can be quickly installed and subsequently disassembled relative to the slot frame structure, and the opening cover, inspection and other operations of the cables in the slot frame structure are convenient.

[0031] In this embodiment, the trough frame structure of the utility model is composed of a metal flame retardant outer shell 11, a flame retardant heat insulating sandwich board 12 and a metal trough frame 13 arranged in sequence from the outside to the inside, and the trough cover structure is composed of a metal flame retardant outer shell 21, a flame retardant heat insulating sandwich board 22 and a metal trough cover 23 arranged in sequence from the outside to the inside. When in use, the outermost layer of the metal flame retardant outer shell 11 and the metal flame retardant outer shell 21 can be used for the outermost flame retardant fire protection, and further flame retardant heat insulation can be performed through the flame retardant heat insulating sandwich board 12 and the flame retardant heat insulating sandwich board 22 of the middle layer, so as to The cables laid in the metal trough frame 13 are flame-retardant and heat-insulated to ensure safe use of the cables. The utility model is provided with a positioning edge protrusion 16 on the metal trough frame 13, and the positioning edge protrusion 16 is further provided with a plurality of magnetic suction sheets 17. At the same time, a plurality of positioning grooves 24 are provided on the metal trough cover 23. The trough cover structure can be positioned and engaged by the positioning edge protrusion 16 and the positioning groove 24, and further fixed by magnetic attraction by a plurality of magnetic suction sheets 17, so that the trough cover structure can be quickly installed and subsequently disassembled relative to the trough frame structure, which is convenient for opening the cover for inspection and other operations of the cables in the trough frame structure.

[0032] The use process and working principle of the utility model are as follows: the multi-section trough frame is hoisted on the indoor ceiling by a hanging rod, and the adjacent trough frames are bolted together by fixing ear plates 14, and for the corners, "L"-shaped or other shaped joints can be used for bolt connection, and then the cables are laid in the metal trough frame 13, and finally the trough cover is installed on the trough frame by positioning the positioning groove 24 and the positioning edge protrusion 16 and magnetically fixed by the magnetic suction sheet 17;

[0033] During daily use, when a fire occurs under the indoor trough frame, the outermost layer of metal flame retardant outer shell 11 and metal flame retardant outer shell 21 can be used for flame retardant fire protection, and further flame retardant heat insulation can be performed through the middle layer of flame retardant heat insulation sandwich panel 12 and flame retardant heat insulation sandwich panel 22, so as to provide flame retardant and heat insulation protection for the cables laid in the metal trough frame 13, so as to ensure the safe use of the cables. When it is necessary to open the trough cover in the future to inspect the cables in the trough frame and perform other operations, the trough cover can be directly removed from the trough frame to expose the cables in the metal trough frame 13, so as to facilitate the inspection and other operations of the cables in the metal trough frame 13.

[0034] In addition, the contents not described in detail in this embodiment are all prior art and common knowledge.

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flame retardant and heat-insulating trough type bridge, characterized in that: The invention comprises a trough frame and a trough cover arranged on the trough frame, wherein the trough frame comprises a metal flame retardant outer shell (11), a flame retardant heat insulating sandwich board (12) and a metal trough frame (13), and the metal flame retardant outer shell (11), the flame retardant heat insulating sandwich board (12) and the metal trough frame (13) are fixedly connected in sequence from the inside to the outside, and the trough cover comprises a metal flame retardant outer shell (21), a flame retardant heat insulating sandwich board (22) and a metal trough cover (23), and the metal flame retardant outer shell (21), the flame retardant heat insulating sandwich board (22) and the metal trough cover (23) are fixedly connected in sequence from the inside to the outside; Both sides of the upper end of the metal slot frame (13) are integrally formed with positioning edge protrusions (16), and the upper ends of the positioning edge protrusions (16) are fixedly connected to a plurality of magnetic suction sheets (17). Both sides of the bottom end of the metal slot cover (23) are provided with positioning grooves (24), and the positioning grooves (24) are snap-fitted and connected with the positioning edge protrusions (16) and are magnetically fixed through the magnetic suction sheets (17).

2. The flame retardant and heat insulating trough type bridge according to claim 1, characterized in that: The left and right sides of the end of the first metal flame-retardant outer shell (11) are integrally connected with fixing ear plates (14), and the fixing ear plates (14) are provided with two fixing holes (15).

3. The flame retardant and heat insulating trough type bridge according to claim 1, characterized in that: The metal flame-retardant outer shell (11), the flame-retardant heat-insulating sandwich panel (12) and the metal trough frame (13) are all "U"-shaped structures.

4. The flame retardant and heat insulating trough type bridge according to claim 1, characterized in that: The second metal flame retardant outer shell (21) and the second flame retardant heat insulating sandwich panel (22) are both "V" shaped structures.

5. The flame retardant and heat insulating trough type bridge according to claim 1, characterized in that: The first metal flame-retardant outer shell (11), the metal slot frame (13), the second metal flame-retardant outer shell (21) and the metal slot cover (23) are all stainless steel components.

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