CN217769287U - Laying system for laying high-voltage cable of traffic tunnel - Google Patents

Abstract

The utility model relates to a cable laying technical field especially relates to a system of laying for laying traffic tunnel high tension cable, include: the cable reel is used for winding a high-voltage cable and is positioned on one side of the starting end of the traffic tunnel; the mobile hanging bracket is movably arranged in the traffic tunnel and can move along the length direction of the traffic tunnel, and the mobile hanging bracket is suitable for clamping the high-voltage cable extending out of the cable drum at the starting end of the traffic tunnel; and the automatic cable releasing device is positioned on one side of the tail end of the traffic tunnel, is in transmission connection with the movable hanging bracket and can drive the movable hanging bracket to move along the length direction of the traffic tunnel. The utility model provides a system of laying for laying traffic tunnel high tension cable can help laying the long length high tension cable in traffic tunnel, and the high tension cable circuit of being convenient for runs through traffic tunnel.

Description

Laying system for laying high-voltage cable of traffic tunnel

Technical Field

The utility model relates to a cable laying technical field especially relates to a system of laying for laying traffic tunnel high tension cable.

Background

In the construction of the urban power grid layout, cabling refers to the process of laying and installing cables along a surveyed route to form a cable route. 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 a city, in order to ensure stability and safety of the cables, a matched protective building structure often needs to be additionally constructed along the cables, so that influence on the ecological environment of the city is inevitable, problems of seriously changing the original ecology of the city such as ecological redline generation, land acquisition and the like are involved, in order to avoid seriously influencing the ecology of the city, the influence on the city needs to be avoided as much as possible in the actual cable laying work, and the restriction of environmental factors is large, so that the cable laying structure is easily too complex, in addition, safety problems need to be considered in the city laying of the cables, and therefore, the cable laying cost of the city is high.

In order to solve the above problems, it is a feasible solution to lay a long high-voltage cable in a traffic tunnel of a city, that is, a laying channel penetrating the tunnel is excavated in the traffic tunnel, then the long high-voltage cable penetrates the laying channel, and the high-voltage cable is supported and protected by using the structure of the traffic tunnel.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a system of laying for laying traffic tunnel high tension cable can help laying long length high tension cable in the traffic tunnel, and the high tension cable line of being convenient for runs through the traffic tunnel.

The utility model discloses a system of laying for laying traffic tunnel high tension cable, include:

the cable reel is used for winding a high-voltage cable and is positioned on one side of the starting end of the traffic tunnel;

the mobile hanging frame is movably arranged in the traffic tunnel and can move along the length direction of the traffic tunnel, and the mobile hanging frame is suitable for clamping the high-voltage cable extending out of the cable reel at the starting end of the traffic tunnel;

and the automatic cable unreeling device is positioned on one side of the tail end of the traffic tunnel, is in transmission connection with the movable hanging bracket and can drive the movable hanging bracket to move along the length direction of the traffic tunnel.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, it has spacing channel to dock between the initiating terminal in cable drum and traffic tunnel, spacing channel is used for holding big length high tension cable.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, the activity is provided with conveyer between the initiating terminal in cable drum and traffic tunnel, spacing channel forms conveyer's surface.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, remove the gallows and include guide rail and anchor clamps, the guide rail extends along the length direction in traffic tunnel, anchor clamps slide to set up on the guide rail, anchor clamps are suitable for the initiating terminal centre gripping in traffic tunnel to follow the large length high tension cable that the cable drum stretches out, anchor clamps with automatically, be connected with the pull wire between the cable laying device.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable still includes the bearing wheel, the bearing wheel is used for setting up at the initiating terminal in traffic tunnel and is used for upwards rolling contact to get into the high tension cable in traffic tunnel.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable still includes the bracing piece, the bearing wheel sets up the outer end of bracing piece, the inner of bracing piece articulates in the outside in traffic tunnel, the articulated shaft of bracing piece is provided with first torsional spring.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, the cable drum with still be provided with at least one lateral pressure measurement and control device between the spacing channel, lateral pressure measurement and control device is suitable for the corner that sets up at high tension cable.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, lateral pressure measurement and control device includes fixing base, rotating bracket, pressure sensor, second torsional spring and is used for the wheel that turns round of side roll contact high tension cable, wherein, the bottom of rotating bracket articulate in the fixing base, the second torsional spring cup joint in the articulated shaft of rotating bracket and the both ends of second torsional spring connect respectively in rotating bracket with the fixing base, pressure sensor's detection face is located rotating bracket's deflection within range, the wheel that turns round rotationally sets up on the rotating bracket, high tension cable can pass through turn round the wheel drive rotating bracket deflects and touches pressure sensor's detection face.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, be provided with the mounting bracket on the fixing base, pressure sensor detachably sets up on the mounting bracket.

According to the utility model discloses a system of laying for laying traffic tunnel high tension cable, be provided with treater and display screen on the mounting bracket, pressure sensor's data output end electric connection in the data input part of treater, the data output end electric connection of treater in the display screen.

The utility model discloses a system of laying for laying traffic tunnel high tension cable, when putting into operation, pull out the start end to traffic tunnel to the large length high tension cable of coiling on the cable drum, then utilize remove the gallows centre gripping and follow the high tension cable that the cable drum pulled out is last to be located traffic tunnel terminal one side automatic cable laying device drives remove the gallows and remove along traffic tunnel's length direction, large length high tension cable alright remove with thereupon in traffic tunnel, finally alright transport terminal one side to traffic tunnel with the tip of large length high tension cable, large length high tension cable alright lay in traffic tunnel this moment, make the high tension cable circuit run through traffic tunnel smoothly.

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 view of the overall structure of the present invention;

FIG. 2 is a schematic view of the working process of the present invention;

FIG. 3 is a schematic view of the working process of the present invention;

FIG. 4 is a schematic diagram of a further embodiment of the present invention;

FIG. 5 is a partial structural cross-sectional view of a further aspect of the present invention;

FIG. 6 is a schematic diagram of a further embodiment of the present invention;

FIG. 7 is a schematic diagram of a further embodiment of the present invention;

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

FIG. 9 is a schematic structural view of a further embodiment of the present invention;

fig. 10 is a side view of a further aspect of the present invention;

fig. 11 is a top view of a further aspect of the invention.

Reference numerals:

100. a large-length high-voltage cable 101, a traffic tunnel 102, a laying channel 103 and a traction line;

1. cable drum, 2, remove the gallows, 3, automatic cable laying device, 4, spacing channel, 5, conveyer, 6, the guide rail, 7, anchor clamps, 8, the supporting wheel, 9, the bracing piece, 10, first torsion spring, 11, lateral pressure measurement and control device, 12, the fixing base, 13, the runing rest, 14, pressure sensor, 15, the second torsion spring, 16, the wheel that turns round, 17, the mounting bracket, 18, the display screen, 19, the attention device, 20, wireless transmitter, 21, the supporting cylinder, 22, the annular concave surface, 23, first articulated seat, 24, the articulated seat of second, 25, set screw.

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 the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and 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 therefore, should not be construed as limiting the present invention.

As shown in fig. 1, a laying system for laying a high-voltage cable of a traffic tunnel comprises a cable reel 1, a movable hanger 2 and an automatic cable laying device 3, wherein the cable reel 1 is used for winding a long high-voltage cable 100, the cable reel 1 is positioned at one side of the starting end of the traffic tunnel 101, the movable hanger 2 is movably arranged in a laying channel 102 at the top of the traffic tunnel 101 and can move along the length direction of the laying channel 102, the movable hanger 2 can clamp the long high-voltage cable 100 extending from the cable reel 1 at the starting end of the laying channel 102, the automatic cable laying device 3 is positioned at one side of the tail end of the traffic tunnel 101, and the automatic cable laying device 3 is in transmission connection with the movable hanger 2 and can drive the movable hanger 2 to move along the length direction of the laying channel 102.

As shown in fig. 1, 2 and 3, it can be understood that, in the present embodiment, during the operation, the long high-voltage cable 100 wound on the cable drum 1 is pulled out to the start end of the traffic tunnel 101, then the long high-voltage cable 100 pulled out from the cable drum 1 is clamped by the movable hanger 2, finally the automatic cable-laying device 3 located at one end of the traffic tunnel 101 drives the movable hanger 2 to move along the length direction of the laying channel 102, so that the long high-voltage cable 100 can move in the laying channel 102, and finally the end of the long high-voltage cable 100 can be conveyed to the end side of the traffic tunnel 101, and at this time, the long high-voltage cable 100 can be laid in the traffic tunnel 101, so that the high-voltage cable line can smoothly pass through the traffic tunnel.

In one embodiment, as shown in fig. 4 and 5, a limit channel 4 is butted between the cable reel 1 and the starting end of the traffic tunnel 101, and the limit channel 4 is used for accommodating a long-length high-voltage cable. Therefore, when the long high-voltage cable 100 is transferred and moved in the laying channel 102, the long high-voltage cable 100 can be prevented from being largely shifted left and right under the limiting action of the limiting channel 4, and the stable transfer of the cable can be ensured.

In one embodiment, as shown in fig. 6, a conveyor belt 5 is movably installed between the cable reel 1 and the starting end of the traffic tunnel 101, and a limit groove 4 is formed on the surface of the conveyor belt 5. Therefore, the conveying belt 5 can assist in pushing the long high-voltage cable 100 to move towards the laying channel 102, so as to reduce the load of the automatic cable laying device 3 and improve the cable conveying efficiency.

In one embodiment, as shown in fig. 1 to 6, the mobile hanger 2 comprises a guide rail 6 and a clamp 7, the guide rail 6 extends along the length direction of a laying channel 102 on the top of a traffic tunnel 101, the clamp 7 is slidably mounted on the guide rail 6, the clamp 7 can clamp a long high-voltage cable 100 extending from a cable drum 1 at the starting end of the traffic tunnel 101, and a traction wire 103 is connected between the clamp 7 and the automatic cable laying device 3.

It can be understood that, in the above embodiment, after the long high-voltage cable 100 extending from the cable drum 1 is clamped by the clamp 7, the automatic cable-laying device 3 is started, the automatic cable-laying device 3 pulls the clamp 7 to move along the guide rail 6 through the pulling wire 103, so that the long high-voltage cable 100 gradually enters the laying channel 102, and finally the long high-voltage cable 100 can be laid in the traffic tunnel 101.

In one embodiment, as shown in fig. 7, the device further comprises a supporting wheel 8, the supporting wheel 8 is installed at the starting end of the traffic tunnel 101, and the supporting wheel 8 is in upward rolling contact with the long-length high-voltage cable 100 entering the laying channel 102.

It can be understood that under the support of the supporting wheel 8, the long high-voltage cable 100 and the inlet edge of the laying channel 102 can be prevented from rubbing against each other during the conveying process, and the long high-voltage cable 100 can be prevented from being worn.

In one embodiment, as shown in fig. 7, the traffic tunnel further comprises a support rod 9, the support rod 9 is arranged in an inclined manner, the supporting wheel 8 is installed at the outer end of the support rod 9 (i.e. the upper end of the support rod 9), the inner end of the support rod 9 (i.e. the lower end of the support rod 9) is hinged at the outer side of the traffic tunnel 101, and the hinged shaft of the support rod 9 is provided with a first torsion spring 10.

It can be understood that because the articulated shaft of bracing piece 9 installs first torsional spring 10, consequently bracing piece 9 has elastic support power to bearing wheel 8 to can stabilize the bearing and be located the major length high tension cable 100 on bearing wheel 8, ensure that the conveying of cable is stable.

In one embodiment, as shown in fig. 8, at least one side pressure measurement and control device 11 is further disposed between the cable reel 1 and the limiting channel 4, and the side pressure measurement and control device 11 is suitable for being installed at a corner of the long high-voltage cable 100.

It can be understood that, because different terrain spaces are different, when meeting the terrain with a relatively small space, the transmission route of the cable is difficult to avoid turning positions, so that the lateral pressure measurement and control device 11 is required to be installed at the turning positions of the long high-voltage cable 100, so as to detect the lateral pressure of the long high-voltage cable 100 in the pulled process in real time through the lateral pressure measurement and control device 11, and prevent the internal damage of the long high-voltage cable 100 caused by the overlarge lateral pressure.

In one embodiment, as shown in fig. 9 to 11, the lateral pressure measuring and controlling device 11 includes a fixed base 12, a rotating bracket 13, a pressure sensor 14, a second torsion spring 15, and a turning wheel 16 for rolling contact with the high-voltage cable from a lateral side, wherein a bottom of the rotating bracket 13 is hinged to the fixed base 12, the second torsion spring 15 is sleeved on a hinge shaft of the rotating bracket 13, two ends of the second torsion spring 15 are respectively connected to the rotating bracket 13 and the fixed base 12, a detection surface of the pressure sensor 14 is located in a deflection range of the rotating bracket 13, the turning wheel 16 is rotatably disposed on the rotating bracket 13, and the high-voltage cable can drive the rotating bracket 13 to deflect and touch the detection surface of the pressure sensor 14 through the turning wheel 16.

It can be understood that, since the bottom of the rotating bracket 13 is hinged to the fixed base 12 and the rotating bracket 13 can be ensured to stably swing on the fixed base 12 under the action of the spring force of the second torsion spring 15, and the turning wheel 16 which is in rolling contact with the high-voltage cable 100 from the side is rotatably mounted on the rotating bracket 13, during the laying process, as long as the large-length high-voltage cable contacts the turning wheel 16 from the side at the turning position of the laying line, the whole rotating bracket 13 can be driven to deflect, and since the detection surface of the pressure sensor 14 is located in the swing range of the rotating bracket 13, the high-voltage cable 100 can drive the rotating bracket 13 to deflect and contact the detection surface of the pressure sensor 14 through the turning wheel 16, during the contacting process, the detection surface of the pressure sensor 14 deforms, so that the built-in resistance of the pressure sensor 14 also deforms, and the built-in resistance of the pressure sensor 14 also generates corresponding changes, therefore, the internal circuit of the pressure sensor 14 can detect the side pressure of the large-length high-voltage cable during the laying process according to the resistance variation parameters of the built-in the pressure sensor, and the detection mode can obtain the accurate detection result of the side pressure of the cable. It should be noted that the pressure sensor 14 may be a conventional pressure sensor in the prior art, and the detailed internal structure thereof will not be described herein, which can be understood by those skilled in the art.

In one embodiment, as shown in fig. 9 to 11, a vertically extending mounting frame 17 is fixedly connected to the rear portion of the fixing base 12, and the pressure sensor 14 is detachably disposed on the mounting frame 17.

It will be appreciated that the mounting bracket 17 may facilitate the accommodation and installation of the pressure sensor 14, and since the mounting bracket 17 and the fixed base 12 are fixed to each other, the mounting bracket 17 may provide a force bearing support for the pressure sensor 14, thereby ensuring the fixation of the pressure sensor 14.

In one embodiment, as shown in fig. 9-11, the mounting frame 17 is provided with a processor (not shown) and a display 18, the data output terminal of the pressure sensor 14 is electrically connected to the data input terminal of the processor, and the data output terminal of the processor is electrically connected to the display 18.

It can be understood that the above-mentioned implementation structure can help the pressure sensor 14 to send the detected data to the processor, the processor sends the received data to the display screen 18 after conversion, and finally, the lateral pressure of the high-voltage cable at the corner can be displayed on the display screen 18, thereby facilitating the real-time monitoring of the constructor.

In one embodiment, as shown in fig. 9-11, the mounting frame 17 is mounted with an alarm 19, and the data output terminal of the processor is electrically connected to the alarm 19.

It can be understood that above-mentioned implementation structure can help treater control attention device 19, and when the lateral pressure that high tension cable received exceeded predetermined threshold value, the treater can in time be controlled attention device 19 and externally be sent alarm signal, for example sound alarm or flash of light alarm, make things convenient for the constructor in time to discover, follow-up alright in time with reduce the traction speed to high tension cable, prevent that high tension cable from receiving the damage.

In one embodiment, as shown in fig. 9-11, the mounting frame 17 is provided with a wireless transmitter 20, and the data output terminal of the processor is electrically connected to the wireless transmitter 20.

It can be understood that the above-mentioned implementation structure can help the processor to transmit the side pressure data of the high-voltage cable to the outside in real time through the wireless transmitter 20, so as to facilitate the constructor to remotely monitor the side pressure condition of the high-voltage cable at the corner.

In one embodiment, as shown in fig. 9 to 11, a supporting roller 21 is movably mounted on the fixed base 12, and the supporting roller 21 is used for supporting the high-voltage cable upwards.

It can be understood that, in practice, the weight of the long high-voltage cable is very large, and the above-mentioned implementation structure can utilize the bearing roller 21 to upwards support the long high-voltage cable 100, that is, when the long high-voltage cable 100 moves at a corner, the long high-voltage cable can be in rolling contact with the bearing roller 21 at the bottom, on one hand, the long high-voltage cable 100 can be stably supported, on the other hand, the friction force applied to the long high-voltage cable 100 in the moving process can be reduced, and it is ensured that the long high-voltage cable 100 can be smoothly pulled and conveyed at the corner.

In one embodiment, as shown in fig. 9 to 11, the number of the turning wheels 16 is several, and in this embodiment, the number of the turning wheels 16 may be selected to be two, and each of the turning wheels 16 is used to roll-contact the long-length high-voltage cable 100 from a plurality of different positions, respectively.

It can be understood that the high voltage cable 100 can be moved more stably by the plurality of turning wheels 16 rolling-contacting the high voltage cable 100 from a plurality of different positions, respectively, and the high voltage cable 100 is prevented from falling off during the moving process.

In one embodiment, as shown in fig. 9 to 11, the circumferential surfaces of the turning wheel 16 and the backup roller 21 are respectively formed with annular concave surfaces 22, and each concave surface 22 is respectively adapted to be in fit contact with the high voltage cable 100.

Therefore, the annular concave surface 22 can be used for limiting the left-right shaking of the high-voltage cable 100 in the process of being pulled, and further ensuring the stable pulling of the high-voltage cable 100.

In one embodiment, as shown in fig. 9 to 11, the two ends of the rotation shaft of the supporting roller 21 are respectively hinged with a first hinge seat 23, and each first hinge seat 23 is respectively fixed on the fixed seat 12; two ends of a rotating shaft of the turning wheel 16 are respectively hinged with a second hinged seat 24, and each second hinged seat 24 is respectively fixed on the rotating support 13. This ensures stable rotation of the backup drum 21 and the turning wheel 16.

In one embodiment, as shown in fig. 9 to 11, a plurality of positioning screws 25 extending vertically are movably mounted on the fixing base 12 near opposite sides, and the end of each positioning screw 25 penetrates through the fixing base 12 downward.

It can be understood that in the process of laying cables, when the lateral pressure measuring and controlling device reaches the preset cable turning position, the lateral pressure measuring and controlling device can be drilled into the ground or the wall by twisting each positioning screw 25, so that the fixing seat 12 can be positioned and fixed, and the displacement in the process of contacting a high-voltage cable is prevented.

In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to 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 the embodiments of the present 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. A laying system for laying high-voltage cables of traffic tunnels, characterized in that it comprises:

the cable reel (1) is used for winding a high-voltage cable, and the cable reel (1) is positioned on one side of the starting end of the traffic tunnel;

the mobile hanging bracket (2) is movably arranged in the traffic tunnel and can move along the length direction of the traffic tunnel, and the mobile hanging bracket (2) is suitable for clamping the high-voltage cable extending from the cable reel (1) at the starting end of the traffic tunnel;

the automatic cable laying device (3) is located on one side of the tail end of the traffic tunnel, and the automatic cable laying device (3) is connected to the movable hanging bracket (2) in a transmission mode and can drive the movable hanging bracket (2) to move along the length direction of the traffic tunnel.

2. A laying system for laying high-voltage cables for traffic tunnels according to claim 1, characterized in that between said cable drum (1) and the beginning of the traffic tunnel there is docked a stop channel (4), said stop channel (4) being intended to receive high-voltage cables of great length.

3. A laying system for laying high-voltage cables for traffic tunnels according to claim 2, characterized in that a conveyor belt (5) is movably arranged between said cable drum (1) and the start of a traffic tunnel, said stop channel (4) being formed on the surface of said conveyor belt (5).

4. A laying system for laying high-voltage cables for traffic tunnels according to claim 3, wherein said mobile cradle (2) comprises a guide rail (6) and a clamp (7), said guide rail (6) extending along the length of the traffic tunnel, said clamp (7) being slidingly arranged on said guide rail (6), said clamp (7) being suitable for clamping a long high-voltage cable projecting from said cable drum (1) at the start end of the traffic tunnel, a traction wire (103) being connected between said clamp (7) and said automatic cable-laying device (3).

5. A laying system for laying a traffic tunnel high voltage cable according to claim 4, further comprising a supporting wheel (8), said supporting wheel (8) being adapted to be positioned at the start end of the traffic tunnel and to be brought up into rolling contact with the high voltage cable entering the traffic tunnel.

6. A laying system for laying traffic tunnel high-voltage cables according to claim 5, characterized in that it also comprises a supporting bar (9), said supporting wheels (8) being arranged at the outer end of said supporting bar (9), the inner end of said supporting bar (9) being hinged outside the traffic tunnel, the hinging axis of said supporting bar (9) being provided with a first torsion spring (10).

7. A laying system for laying high-voltage cables of a traffic tunnel according to claim 6, characterized in that at least one lateral pressure measurement and control device (11) is further arranged between said cable drum (1) and said limit channel (4), said lateral pressure measurement and control device (11) being adapted to be arranged at the turn of a high-voltage cable.

8. The laying system for laying a high-voltage cable of a traffic tunnel according to claim 7, wherein the lateral pressure measurement and control device (11) comprises a fixed seat (12), a rotating bracket (13), a pressure sensor (14), a second torsion spring (15) and a turning wheel (16) for rolling contact with the high-voltage cable from the side, wherein the bottom of the rotating bracket (13) is hinged to the fixed seat (12), the second torsion spring (15) is sleeved on a hinged shaft of the rotating bracket (13) and two ends of the second torsion spring (15) are respectively connected to the rotating bracket (13) and the fixed seat (12), a detection surface of the pressure sensor (14) is positioned in a deflection range of the rotating bracket (13), the turning wheel (16) is rotatably arranged on the rotating bracket (13), and the high-voltage cable can drive the rotating bracket (13) to deflect and press the detection surface of the pressure sensor (14) through the turning wheel (16).

9. A laying system for laying a high-voltage cable for a traffic tunnel according to claim 8, characterized in that said fixed base (12) is provided with a mounting bracket (17), said pressure sensor (14) being removably arranged on said mounting bracket (17).

10. A laying system for laying a high-voltage cable for a traffic tunnel according to claim 9, wherein said mounting frame (17) is provided with a processor and a display screen (18), the data output of said pressure sensor (14) being electrically connected to the data input of said processor, the data output of said processor being electrically connected to said display screen (18).

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