CN217518707U - Cable laying structure of traffic tunnel - Google Patents

Abstract

The utility model relates to a cable laying technical field especially relates to a cable laying structure in traffic tunnel, including the tunnel that has current space, the installation passageway has been seted up between the inside current space in tunnel and the inner wall in tunnel, the installation passageway is suitable for and extends and run through the tunnel along the tunnel, be provided with the backup pad in the installation passageway, laid long cable in the backup pad, long cable along the installation passageway runs through the tunnel. The utility model relates to a traffic tunnel's cable laying structure can avoid changing the original ecological environment in city to a certain extent, simplifies city cable laying structure to can ensure laying safety of cable, with reduce the cable laying cost.

Description

Cable laying structure of traffic tunnel

Technical Field

The utility model relates to a cable laying technical field especially relates to a cable laying structure in traffic tunnel.

Background

Cabling refers to the process of laying and installing cables along the surveyed route to form a cable run. According to the use occasion, the method can be divided into a plurality of laying modes such as overhead, underground (pipelines and direct burial), water bottom, walls and the like. The reasonable selection of the laying mode of the cable is very important for ensuring the transmission quality, reliability, construction maintenance and the like of the line.

However, when cables need to be laid in cities, in order to ensure stability and safety of the cables, a matched protective building structure needs to be additionally constructed along the cables, so that the influence on the ecological environment of the cities is inevitably caused, the problems of serious changes of the original ecology of the cities, such as ecological redlines, land acquisition and the like, are involved, in order to avoid the serious influence on the ecology of the cities, the influence on the cities needs to be avoided as much as possible in the actual cable laying work, the constraints of environmental factors are large, the cable laying structure is easily too complex, in addition, the safety problem needs to be considered in the laying of the cables in the cities, and therefore, the cable laying cost of the cities is higher.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a traffic tunnel's cable laying structure can avoid changing the original ecological environment in city to a certain extent, is favorable to simplifying city cable laying structure to can ensure laying safety of cable, with the reduction cable laying cost.

The utility model relates to a cable laying structure in traffic tunnel, including the tunnel that has current space, the installation passageway has been seted up between the inner wall in the inside current space in tunnel and tunnel, the installation passageway is suitable for and extends and run through the tunnel along the tunnel, be provided with the backup pad in the installation passageway, laid long length cable in the backup pad, long length cable along the installation passageway runs through the tunnel.

According to the utility model discloses a cable laying structure in traffic tunnel, the inside current space in tunnel with it has the fire prevention interlayer to cover between the erection channel.

According to the utility model discloses a cable laying structure in traffic tunnel, the inner wall in tunnel with the fixed mounting bracket that is provided with between the backup pad, the relative both sides difference fixed connection of backup pad in mounting bracket and fire prevention interlayer.

According to the utility model discloses a cable laying structure in traffic tunnel, the mounting bracket is along the vertical extension of the inner wall in tunnel, the quantity of backup pad is a plurality of, each the backup pad along the extending direction vertical arrangement of mounting bracket distributes.

According to the utility model discloses a traffic tunnel's cable laying structure, it has a plurality of explosion screw, each to arrange on the mounting bracket to distribute explosion screw passes in the lump the mounting bracket with the inner wall in tunnel.

According to the utility model discloses a traffic tunnel's cable laying structure, each be provided with in the backup pad respectively and be used for bearing the conveyer belt of major length cable, each the conveyer belt is suitable for respectively to extend and run through the tunnel along the tunnel.

According to the utility model discloses a cable laying structure in traffic tunnel, be provided with a plurality of temperature detection instrument in the installation passageway, each the temperature detection instrument sets up respectively the top of conveyer belt and downward corresponding each the conveyer belt.

According to the utility model discloses a cable laying structure in traffic tunnel, the bottom reservation of installation passageway has the drainage chamber, be provided with the suction pump in the drainage chamber, the mouth that draws water of suction pump is used for the extraction the water in the drainage intracavity, the lateral wall in tunnel runs through there is the drain pipe, the butt joint of the inner of drain pipe the outlet of suction pump.

According to the utility model discloses a cable laying structure in traffic tunnel still includes controller and water pressure sensor, water pressure sensor sets up in the drainage intracavity, water pressure sensor's data output end electric connection in the controller, the controller automatically controlled connect in the suction pump.

According to the utility model discloses a cable laying structure in traffic tunnel, be provided with a plurality of automatic fire extinguisher in the installation passageway, each automatic fire extinguisher sets up respectively each the top of conveyer belt and downward corresponding each the conveyer belt.

The utility model discloses a cable laying structure of traffic tunnel, through the ready-made tunnel structure in the full use city, set up the installation passageway between the inner wall of tunnel and the current space in the tunnel, and let the installation passageway extend along the tunnel and run through the tunnel after, set up the backup pad in the installation passageway, then lay the long length cable in the backup pad, finally let the long length cable run through whole tunnel along the installation passageway, realize utilizing the city tunnel to constitute the protection to the cable, avoid increasing the too complicated protection building to the cable, thereby can avoid changing the original ecological environment in city to a certain extent, simplify city cable laying structure; in addition, it should be noted that, in practical application, the intermediate joints between the cables are often the weakest links in the cable system, which are very easy to break down and cause fire, and therefore the intermediate joints of the cables need to be monitored and maintained frequently and timely put out of fire after the fire occurs.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional structure of the present invention;

FIG. 4 is a schematic cross-sectional structure of the present invention;

FIG. 5 is a schematic cross-sectional structure of the present invention;

FIG. 6 is a schematic view of the structure of the present invention;

fig. 7 is a schematic view of a partial structure of the present invention;

FIG. 8 is a schematic view of the structure of the present invention;

fig. 9 is a schematic view of a partial structure of the present invention.

Reference numerals:

100. a tunnel, 200 large-length cables, 300 passing spaces, 400 explosion screws;

1. installation passageway, 2, backup pad, 3, fire prevention interlayer, 4, mounting bracket, 5, conveyer belt, 6, temperature detection instrument, 7, drainage chamber, 8, suction pump, 9, drain pipe, 10, water pressure sensor, 11, automatic fire extinguisher.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a cable laying structure of a traffic tunnel includes a tunnel 100 having a passage space 300, in practice, the periphery of the tunnel 100 is an annular outer wall for supporting the tunnel 100, the passage space 300 is generally excavated inside the tunnel 100, in practice, a solid portion is generally excavated between the annular outer wall of the tunnel 100 and the passage space 300, and the solid portion is excavated by some tunnels 100 as a pedestrian passage, in this embodiment, in order to fully utilize the solid portion, a mounting passage 1 is opened at the solid portion between the passage space 300 and the inner wall of the tunnel 100, the length direction of the mounting passage 1 extends along the length direction of the tunnel 100 and penetrates through the whole tunnel 100, a support plate 2 is installed in the mounting passage 1, a large-length cable 200 is laid on the support plate 2, the large-length cable 200 penetrates through the tunnel 100 along the mounting passage 1, it should be noted that the long cable 200 according to the present embodiment is a single long cable, that is, the cable in the installation channel 1 cannot be formed by butting a plurality of cables, but the whole long cable 200 directly penetrates through the tunnel 100.

It can be understood that, in the scheme of this embodiment, by fully utilizing the existing tunnel structure in the city, an installation channel 1 is provided between the traffic space inside the tunnel 100 and the inner wall of the tunnel 100, and after the installation channel 1 extends along the tunnel 100 and penetrates through the tunnel 100, a support plate 2 is arranged in the installation channel 1, then a long cable 200 is laid on the support plate 2, and finally the long cable 200 penetrates through the whole tunnel 100 along the installation channel 1, so that the city tunnel is utilized to form protection for the cable, and an excessively complex protection building aiming at the cable is avoided being added, thereby avoiding changing the original ecological environment of the city to a certain extent, and simplifying the city cable laying structure; in addition, it should be noted that, in practical application, the intermediate joints between the cables are often the weakest links in the cable system, which is very easy to break down and cause fire, and therefore the intermediate joints of the cables need to be monitored, maintained and timely rescued after the fire occurs, and the long-length cable 200 in the scheme is a single cable with a long length, and since the whole long-length cable 200 penetrates through the whole tunnel 100 along the installation channel 1, the intermediate joints between the two cables can be prevented from falling into the tunnel 100, but the intermediate joints are arranged outside the tunnel, so that the intermediate joints can be prevented from being difficult to detect and maintain the intermediate joints in the tunnel 100 and timely rescued after the fire occurs, and thus the laying safety of the cables can be effectively ensured.

In one embodiment, as shown in connection with fig. 1 and 2, the traffic space 300 inside the tunnel and the installation shaft 1 are covered with a fire barrier 3.

It can be understood that, by additionally arranging the fireproof interlayer 3 between the passing space 300 and the installation channel 1, when open fire caused by traffic accidents occurs in the passing space 300, the long cable 200 of the installation channel 1 can be prevented from being ignited under the blocking effect of the fireproof interlayer 3, so that the safety of cable laying in the tunnel can be effectively improved.

In one embodiment, as shown in fig. 1 and 2, a mounting frame 4 is fixedly disposed between the inner wall of the tunnel and the supporting plate 2, and the left and right sides of the supporting plate 2 are fixedly connected to the mounting frame 4 and the fire barrier 3, respectively.

Can reason, through mounting bracket 4 of inner wall fixed mounting in tunnel 100, then behind mounting bracket 4 and fire prevention interlayer 3 the left and right sides difference fixed connection of backup pad 2, alright in order effectively to ensure the firm of backup pad 2, ensure the bearing capacity of backup pad 2, stably bear the weight of the big length cable 200 of top.

In one embodiment, as shown in fig. 3, the mounting rack 4 extends vertically along the inner wall of the tunnel, the number of the support plates 2 is multiple, and the support plates 2 are vertically arranged and distributed along the extending direction of the mounting rack 4.

It can be understood that, through setting the mounting bracket 4 to extend vertically along the inner wall of the tunnel 100, the mounting bracket 4 can be provided with a plurality of supporting plates 2 in the vertical direction, and then each supporting plate 2 is arranged vertically along the extending direction of the mounting bracket 4 and is arranged on the mounting bracket 4 in a distributed manner, so that a plurality of large-length cables 200 can be arranged in the installation channel 1 at the same time, and the laying number of the cables is effectively increased.

In one embodiment, as shown in fig. 4, a plurality of explosive screws 400 are arranged on the mounting frame 4, and each explosive screw 400 penetrates through the mounting frame 4 and the inner wall of the tunnel 100. It is possible to ensure that the mounting bracket 4 is stably mounted to the inner wall of the tunnel 100.

In one embodiment, as shown in fig. 5, each support plate 2 is mounted with a conveyor belt 5 for carrying a long cable 200, and each conveyor belt 5 extends along the length of the tunnel 100 and penetrates the entire tunnel 100.

It can be understood that, because the weight of the large-length cable 200 is large, certain difficulty can be generated in the process of laying the cable in the tunnel, in order to solve the problem, the embodiment adds the conveyor belt 5 penetrating through the tunnel 100 on the support plate 2, during laying, the large-length cable 200 is placed on the conveyor belt 5, then the conveyor belt 5 is started to operate, so that the large-length cable 200 can be simply and quickly conveyed to the other end of the tunnel 100 by utilizing the conveyor belt 5, the large-length cable 200 can be quickly laid in the tunnel, and the laying efficiency of the tunnel cable is effectively improved.

In one embodiment, as shown in fig. 6, a plurality of temperature detectors 6 are installed in the installation passage 1, and each temperature detector 6 is installed above each conveyor 5 and downward corresponding to each conveyor 5.

It can be understood that a plurality of temperature detection instruments 6 are additionally arranged in the installation channel 1, and then each temperature detection instrument 6 downwards corresponds to each conveyor belt 5, so that the large-length cables 200 on each conveyor belt 5 can be monitored in real time, the risk of cable overheating can be found in advance, and the safety of a cable laying system can be effectively improved.

In one embodiment, as shown in fig. 7, a drainage cavity 7 is reserved at the bottom of the installation channel 1, a water suction pump 8 is installed in the drainage cavity 7, a water suction port of the water suction pump 8 is used for sucking water in the drainage cavity 7, a drainage pipe 9 penetrates through a side wall of the tunnel 100, and an inner end of the drainage pipe 9 is abutted to a drainage port of the water suction pump 8.

It can be understood that because the bottom of erection channel 1 reserves drainage chamber 7, consequently when producing the ponding that causes because of the torrential rain in tunnel 100, can concentrate ponding converge to drainage chamber 7 in, then utilize the suction pump 8 in drainage chamber 7, let the mouth that draws water of suction pump 8 draw ponding in drainage chamber 7, this moment because the lateral wall of tunnel 100 runs through the inner of having drain pipe 9 and dock the outlet of suction pump 8, consequently the ponding of being extracted can get into drain pipe 9 through the outlet of suction pump 8, and finally discharge outside tunnel 100 through drain pipe 9, thereby can avoid ponding to constitute the influence to tunnel cable system, effectively improve tunnel cable laying's security.

In one embodiment, as shown in fig. 8, the system further includes a controller (not shown) and a water pressure sensor 10, the water pressure sensor 10 is installed in the drainage chamber 7, a data output end of the water pressure sensor 10 is electrically connected to the controller, and the controller is electrically connected to the suction pump 8.

It can be understood that when outside ponding got into in the drainage chamber 7 and contacted water pressure sensor 10, water pressure sensor 10 alright with water pressure signal transfer to controller, then triggered through the controller and start suction pump 8 and draw water, consequently can utilize the long-time real time monitoring of water pressure sensor 10 to drain the ponding condition in the chamber 7 to automatic trigger starts suction pump 8, and it is more convenient to operate, and degree of automation is higher.

In one embodiment, as shown in fig. 9, a plurality of automatic fire extinguishers 11 are installed in the installation path 1, and each automatic fire extinguisher 11 is installed above each conveyor belt 5 and downward corresponding to each conveyor belt 5.

It can be understood that when the cable on the conveyor belt 5 burns, the space in the installation channel 1 is narrow, and the difficulty in putting out a fire is high, so that the automatic fire extinguishers 11 can be used for putting out a fire in time, and the safety of the tunnel cable laying system can be further improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The cable laying structure of the traffic tunnel is characterized by comprising a tunnel (100) with a passing space, wherein an installation channel (1) is formed between the passing space inside the tunnel (100) and the inner wall of the tunnel (100), the installation channel (1) is suitable for extending along the tunnel and penetrating through the tunnel, a support plate (2) is arranged in the installation channel (1), a large-length cable (200) is laid on the support plate (2), and the large-length cable (200) penetrates through the tunnel (100) along the installation channel (1).

2. Cabling arrangement for a traffic tunnel according to claim 1, characterized in that a fire barrier (3) is arranged between the traffic space inside the tunnel and the installation channel (1).

3. The cabling structure for a traffic tunnel according to claim 2, characterized in that a mounting frame (4) is fixedly arranged between the inner wall of the tunnel and the support plate (2), and opposite sides of the support plate (2) are fixedly connected to the mounting frame (4) and the fire barrier (3), respectively.

4. The cabling arrangement for a traffic tunnel according to claim 3, wherein said mounting brackets (4) extend vertically along the inner wall of the tunnel, and wherein there are a plurality of said support plates (2), each of said support plates (2) being arranged vertically along the extension of said mounting brackets (4).

5. The cabling structure for a traffic tunnel according to claim 4, wherein a plurality of explosion screws are arranged and distributed on said mounting frame (4), each of said explosion screws passing through both said mounting frame (4) and the inner wall of said tunnel (100).

6. A cabling arrangement for a traffic tunnel according to claim 4, wherein a conveyor belt (5) for carrying said long cables (200) is arranged on each support plate (2), each conveyor belt (5) being adapted to extend along and through the tunnel.

7. The cabling arrangement for a traffic tunnel according to claim 6, characterized in that a plurality of temperature probes (6) are arranged in said installation channel (1), each temperature probe (6) being arranged above each conveyor belt (5) and downwardly in correspondence of each conveyor belt (5).

8. The cabling structure of the traffic tunnel according to claim 1, wherein a drainage cavity (7) is reserved at the bottom of the installation channel (1), a water suction pump (8) is arranged in the drainage cavity (7), a water suction port of the water suction pump (8) is used for pumping water in the drainage cavity (7), a drainage pipe (9) penetrates through the side wall of the tunnel (100), and the inner end of the drainage pipe (9) is butted with a drainage port of the water suction pump (8).

9. The cabling structure of a traffic tunnel according to claim 8, further comprising a controller and a water pressure sensor (10), wherein said water pressure sensor (10) is disposed in said water drainage chamber (7), a data output terminal of said water pressure sensor (10) is electrically connected to said controller, and said controller is electrically connected to said water suction pump (8).

10. The cabling arrangement for a traffic tunnel according to claim 6, characterized in that a number of automatic fire extinguishers (11) are arranged in said installation channel (1), each of said automatic fire extinguishers (11) being arranged above each of said conveyor belts (5) and downwardly in correspondence of each of said conveyor belts (5).

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