CN219760557U

CN219760557U - Fireproof cable bridge

Info

Publication number: CN219760557U
Application number: CN202321199430.1U
Authority: CN
Inventors: 杨晓精; 张金玉
Original assignee: Xi'an Huaji Energy Technology Co ltd
Current assignee: Xi'an Huaji Energy Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-26
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a fireproof cable bridge, which comprises: the bridge comprises a bridge body, wherein the inner wall of the bridge body is fixedly connected with a heat insulating plate, connecting holes are formed in two sides of the bridge body, the connecting holes penetrate through the bridge body and the heat insulating plate and are located at two ends of the bridge body, two supporting blocks are fixedly connected to the bottom of the inner wall of the heat insulating plate and located at two ends of the heat insulating plate respectively, the upper ends of the supporting blocks are fixedly connected with a fixing frame, the upper end of the bridge body is fixedly connected with a connecting plate, a cover plate is arranged at the upper end of the connecting plate, a seven-shaped buckle is arranged at the upper end of the cover plate, the side end of the downward bending part of the seven-shaped buckle is attached to the side end of the bridge body, and a clip of the seven-shaped buckle penetrates through the bridge body and is fixedly connected with the bridge body. The cable can be erected, so that the cable is not contacted with the cable bridge, and the damage to the cable caused by the fact that high temperature outside the cable bridge is transferred to the inside is avoided.

Description

Fireproof cable bridge

Technical Field

The utility model relates to the technical field of cable bridges, in particular to a fireproof cable bridge.

Background

The cable bridge frame is divided into a groove type structure, a tray type structure, a ladder frame type structure, a grid type structure and the like, and consists of a bracket, a bracket arm, an installation accessory and the like. The bridge frame in the building can be independently erected, can be laid on various buildings and pipe gallery brackets, has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like, and all parts are required to be galvanized and are arranged on the bridge frame outside the building.

In order to protect the cable in case of fire, the cable bridge is usually composed of a groove box and a groove cover, the cable is directly placed at the bottom in the groove box, and the external high temperature can be directly transmitted to the cable through the groove box of the cable bridge in case of fire, so that the external insulating layer of the cable is damaged, and short circuit is caused.

Disclosure of Invention

The utility model aims to provide a fireproof cable bridge, which can be used for erecting a cable so that the cable does not contact the cable bridge and the damage to the cable caused by the transmission of high temperature outside the cable bridge to the inside is avoided.

To achieve the above object, there is provided a fire-resistant cable tray comprising: the bridge body, the inner wall fixedly connected with heat insulating board of bridge body, the both sides of bridge body are provided with the connecting hole, and the connecting hole runs through bridge body and heat insulating board and be located the both ends of bridge body, two supporting shoe of inner wall bottom fixedly connected with of heat insulating board, and two supporting shoes are located the both ends of heat insulating board respectively, the upper end fixedly connected with mount of supporting shoe, the upper end fixedly connected with connecting plate of bridge body, and the connecting plate is located the both ends of bridge body and extends to the top of bridge body, the upper end of connecting plate is provided with the apron, the upper end of apron is provided with seven word knot, and seven word knot lateral ends at downwarping position are laminated with the lateral end of bridge body, seven word knot's checkpost runs through bridge body and with bridge body fixed connection. The cable can be erected, so that the cable is not contacted with the cable bridge, and the damage to the cable caused by the fact that high temperature outside the cable bridge is transferred to the inside is avoided.

According to the fireproof cable bridge, the bridge main body is made of metal with a fireproof coating sprayed on the surface, and is U-shaped and formed in one step by using a stamping mode. The gap of the cable bridge is reduced, the cable bridge can be heated uniformly in a high-temperature environment, and the deformation is reduced.

According to the fireproof cable bridge, the heat insulation plate is made of asbestos plate. The high temperature that can transmit the crane span structure main part is isolated, avoids high temperature to cause the damage to the cable.

According to a fire prevention type cable bridge, the mount includes places board, fastening bolt and places the board down, place the upper end of board and the upper end fixed connection of supporting shoe down, go up and place the board setting in the upper end of placing the board down, go up the one end of placing the board and placing the board down and be provided with the standing groove, and the standing groove runs through and place the board down, go up the upper end of placing the board and be provided with fastening bolt, and fastening bolt's lower extreme runs through and place board and place the board down, fastening bolt is located the both sides of standing groove. The cable can be fixed and erected, so that the cable is not contacted with the inner wall of the bridge, the temperature transmitted to the cable is reduced by utilizing the principle that the thermal conductivity of air is poorer than that of metal, and the cable is prevented from being damaged.

According to the fireproof cable bridge, the upper placing plate and the lower placing plate are phenolic resin plates. The cable can be further isolated from high temperature, and the contact part of the cable and the lower placing plate is prevented from being damaged by high temperature.

According to the fireproof cable bridge, the connecting hole of the bridge body after connection and the fixing bolt on the cover plate are plugged by using fireproof mud. The gap of the cable bridge is reduced, the tightness of the cable bridge is ensured, and the condition that external flame or high-temperature air enters the cable bridge to cause the cable to be burnt is avoided.

The beneficial effects of the utility model are as follows:

1. the cable is supported by the upper placing plate and the lower placing plate of the fixing frame without contacting with the bridge, so that the bridge transfers external high temperature to the cable when fire disaster occurs, and the cable is damaged.

2. The heat insulation plate can insulate the high temperature absorbed by the bridge body, so that the cable is prevented from being damaged by being transferred into the bridge body and being lifted up.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view of a fire-resistant cable tray according to the present utility model;

FIG. 2 is a cross-sectional view of a fire-resistant cable tray according to the utility model;

fig. 3 is a perspective view of the fixing frame.

Legend description:

1. a cover plate; 2. a fixing bolt; 3. a connection hole; 4. a bridge body; 5. a heat insulating plate; 6. seven-shaped buttons; 7. a connecting plate; 8. a support block; 9. a fixing frame; 10. placing a plate on the upper surface; 11. a fastening bolt; 12. a placement groove; 13. the lower plate is placed.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-3, an embodiment of the present utility model is a fire-resistant cable tray comprising: the crane span structure main part 4, the inner wall fixedly connected with heat insulating board 5 of crane span structure main part 4, the both sides of crane span structure main part 4 are provided with connecting hole 3, and connecting hole 3 runs through crane span structure main part 4 and heat insulating board 5 and are located the both ends of crane span structure main part 4, two supporting shoe 8 of inner wall bottom fixedly connected with of heat insulating board 5, and two supporting shoe 8 are located the both ends of heat insulating board 5 respectively, the upper end fixedly connected with mount 9 of supporting shoe 8, the upper end fixedly connected with connecting plate 7 of crane span structure main part 4, and connecting plate 7 is located the both ends of crane span structure main part 4 and extends to the top of crane span structure main part 4, the upper end of connecting plate 7 is provided with apron 1, the upper end of apron 1 is provided with seven word knot 6, and the lateral end at the downward bending position of seven word knot 6 is laminated with the lateral end of crane span structure main part 4, the checkpost of seven word knot 6 runs through crane span structure main part 4 and with crane span structure main part 4 fixed connection.

The bridge body 4 is made of metal with a fireproof coating sprayed on the surface, and the bridge body 4 is U-shaped and is formed at one time by using a stamping mode.

The heat insulating plate 5 is made of asbestos plate.

The mount 9 includes places board 10, fastening bolt 11 and places board 13 down, and the upper end of placing board 13 down is fixed connection with the upper end of supporting shoe 8, goes up and places board 10 and sets up in the upper end of placing board 13 down, goes up the one end of placing board 10 and placing board 13 down and is provided with standing groove 12, and standing groove 12 runs through and places board 10 and placing board 13 down, goes up the upper end of placing board 10 and is provided with fastening bolt 11, and fastening bolt 11's lower extreme runs through and places board 10 and placing board 13 down, and fastening bolt 11 is located the both sides of standing groove 12.

The upper and lower placing plates 10 and 13 are phenolic resin plates.

The connecting hole 3 after the bridge body 4 is connected with the fixing bolt 2 on the cover plate 1 is plugged by using fireproof mud.

Working principle: after the bridge body 4 is installed, one end of a cable is placed on a placing groove 12 of a lower placing plate 13 of a fixing frame 9 at one end of the bridge body 4, an upper placing plate 10 is placed on the lower placing plate 13 and is fixed by using a fastening bolt 11, then the other end of the cable is placed on the placing groove 12 of the other fixing frame 9 and straightens to separate the cable from the surface of the heat insulation plate 5, the upper placing plate 10 and the fastening bolt 11 are used for fixing, then the cover plate 1 is covered on the upper end of the bridge body 4, the seven-shaped buckle 6 is fixed on the cover plate 1 by using the fixing bolt 2, the fixing bolt 2 penetrates through the cover plate 1 and the connecting plate 7, then a clamp of the seven-shaped buckle 6 penetrates into the connecting hole 3 to connect and fix the cover plate 1 with the bridge body 4, finally the cable bridge is connected by using the bolt to penetrate through the connecting hole 3, and a gap on the cable bridge is plugged by using fireproof mud.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A fire-resistant cable tray comprising: the novel cable bridge comprises a bridge body (4), wherein the inner wall of the bridge body (4) is fixedly connected with a heat insulation plate (5), connecting holes (3) are formed in two sides of the bridge body (4), the connecting holes (3) penetrate through the bridge body (4) and the heat insulation plate (5) and are located at two ends of the bridge body (4), two supporting blocks (8) are fixedly connected to the bottom of the inner wall of the heat insulation plate (5), the two supporting blocks (8) are respectively located at two ends of the heat insulation plate (5), the upper ends of the supporting blocks (8) are fixedly connected with a fixing frame (9), the upper ends of the bridge body (4) are fixedly connected with a connecting plate (7), the connecting plate (7) is located at two ends of the bridge body (4) and extends to the upper side of the bridge body (4), a cover plate (1) is arranged at the upper end of the cover plate (1), the side ends of the downward bending parts of the seven-shaped buckles (6) are attached to the side ends of the bridge body (4), and the clip of the seven-shaped buckles (6) penetrate through the bridge body (4) and are fixedly connected with the bridge body (4).

2. The fireproof cable bridge according to claim 1, characterized in that the bridge body (4) is made of metal with fireproof coating sprayed on the surface, and the bridge body (4) is U-shaped and is formed in one step by stamping.

3. A fire-proof cable bridge according to claim 1, characterized in that the insulating board (5) is of asbestos board material.

4. The fireproof cable bridge according to claim 1, characterized in that the fixing frame (9) comprises an upper placing plate (10), a fastening bolt (11) and a lower placing plate (13), the upper end of the lower placing plate (13) is fixedly connected with the upper end of the supporting block (8), the upper placing plate (10) is arranged at the upper end of the lower placing plate (13), a placing groove (12) is formed in one end of the upper placing plate (10) and one end of the lower placing plate (13), the placing groove (12) penetrates through the upper placing plate (10) and the lower placing plate (13), the fastening bolt (11) is arranged at the upper end of the upper placing plate (10), the lower end of the fastening bolt (11) penetrates through the upper placing plate (10) and the lower placing plate (13), and the fastening bolt (11) is located on two sides of the placing groove (12).

5. A fire-resistant cable tray according to claim 4, wherein the upper (10) and lower (13) plates are phenolic plates.

6. The fireproof cable bridge according to claim 1, characterized in that the connecting hole (3) of the bridge body (4) after connection is plugged with the fixing bolt (2) on the cover plate (1) by using fireproof mud.