CN218322466U - An early warning system for transport lanes at three-way crossings in small-section tunnels - Google Patents

Abstract

This application belongs to the technical field of tunnel early warning, and relates to a small-section tunnel three-way crossing transport lane early warning system, which includes an inductor for sensing transport vehicles entering the main tunnel through an inclined shaft. At the three-way intersection of the tunnel, the sensor is electrically connected to the controller, and the controller is electrically connected to the alarm for realizing the early warning of the approaching vehicle in the inclined shaft. The alarm is installed in the main tunnel of the tunnel. The application has the effect of reducing safety accidents such as collisions between transport vehicles driving in the main tunnel and transport vehicles entering from an inclined shaft.

Description

An early warning system for transport lanes at three-way crossings in small-section tunnels

technical field

The present application relates to the field of tunnel early warning, in particular to an early warning system for transport lanes at three-way crossings in small-section tunnels.

Background technique

Tunnel is an engineering building buried in the ground, and it is a form of human use of underground space. During the construction of long tunnels, in order to shorten the construction period, inclined shafts are often set up to increase the working surface. The inclined shaft and the main hole of the tunnel can form a three-way crossing.

However, during the tunnel construction, when the construction transport vehicles enter the main tunnel through the inclined shaft, the transport vehicles driving in the main tunnel of the tunnel will not notice the transport vehicles driving into the main tunnel from the inclined shaft, which will easily lead to confusion. Collisions and other safety accidents occurred in transport vehicles entering from the inclined shaft.

Utility model content

In order to reduce safety accidents such as collisions between transport vehicles driving in the main tunnel and transport vehicles entering from an inclined shaft, the present application provides an early warning system for transport lanes at three-way crossings in small-section tunnels.

A small-section tunnel three-way crossing transport lane warning system provided by this application adopts the following technical scheme:

A transport lane warning system at a three-way crossing in a small-section tunnel, including a sensor for sensing transport vehicles entering the main tunnel through an inclined shaft. The sensor is installed near the three-way crossing of the tunnel, and the sensor is electrically connected There is a controller, and the controller is electrically connected with an alarm for realizing the early warning of traffic coming from the inclined shaft, and the alarm is installed in the main hole of the tunnel.

By adopting the above-mentioned technical scheme, when the transport vehicle enters the main hole of the tunnel in the inclined shaft, the transport vehicle passes through the sensor installed in the inclined shaft near the three-way intersection of the tunnel, and the sensor passes through the controller, so that the alarm is transported at the inclined shaft. When the vehicle enters the main hole of the tunnel, it will warn the transport vehicles driving in the main hole of the tunnel. When the transport vehicles driving in the main hole of the tunnel see the early warning device working, they can actively avoid the transport vehicles coming down the inclined shaft, so as to Reduce safety accidents such as collisions between transport vehicles driving in the main tunnel and transport vehicles entering from the inclined shaft.

Optionally, the inductor includes a ground sensing coil buried on the surface of the inclined shaft near the three-way intersection of the tunnel, and a ground sensing detector connected to the ground sensing coil.

By adopting the above technical solution, the ground sense coil and the ground sense detector are simple to install, have high stability and penetration, strong anti-interference ability and high induction sensitivity.

Optionally, the ground induction coil includes a first ground induction coil and a second ground induction coil, the first inductor and the second inductor are arranged at intervals along the direction in which the transport vehicle in the inclined shaft travels to the main hole of the tunnel, and the first ground induction coil Both the coil and the second ground sense coil are connected with the ground sense detector.

By adopting the above technical solution, the ground induction coil includes the first ground induction coil and the second ground induction coil arranged at intervals along the direction in which the transport vehicle in the inclined shaft travels to the main hole of the tunnel. When the transport vehicle travels in different directions in the inclined shaft, it passes through The order of the first ground sense coil and the second ground sense coil is different to judge the driving direction of the transport vehicle in the inclined shaft. The transport vehicles driving in the tunnel will give an early warning of the inclined shaft to improve the sensitivity of the ground induction coil and reduce the impact of the transport vehicles entering the inclined shaft from the main hole of the tunnel on the early warning device.

Optionally, the alarm includes an audible and visual alarm light, and a cleaning sleeve is used to remove dust on the outer wall of the audible and visual alarm light when sliding on the outer wall of the audible and visual alarm light. The side of the cleaning sleeve away from the audible and visual alarm light is connected with The elastic part is connected with a traction rope for pulling the cleaning cover to compress the elastic part.

By adopting the above-mentioned technical scheme, when the transport vehicle is driving in the tunnel main tunnel, it is mainly judged by the brightness of the acousto-optic warning light to judge the traffic situation at the three-fork intersection of the tunnel. Dust is attached to the outer wall of the sound and light alarm light, and when the warning brightness of the sound and light alarm light is reduced, the construction personnel pull the traction rope to compress the elastic part, and the compression of the elastic part drives the cleaning cover to the top of the sound and light alarm light. Along the compression direction of the elastic member, the inner wall of the cleaning sleeve is slidingly connected with the outer wall of the sound and light alarm light, which can realize the removal of dust attached to the outer wall of the sound and light alarm light, so as to improve the warning effect of the sound and light alarm light. When the traction rope is released, the elastic member rebounds to drive the cleaning cover back to its original position.

Optionally, a mounting plate is provided between the sound and light alarm light and the side wall of the tunnel, the mounting plate is installed on the side wall of the tunnel, the sound and light alarm light is mounted on the mounting plate, the elastic member is a spring, and the spring is close to the cleaning One end of the sleeve is installed on the outer wall of the cleaning sleeve, and one end of the spring away from the cleaning sleeve is installed on the corresponding side of the mounting plate.

By adopting the above technical scheme, the spring structure is simple, easy to operate and easy to maintain. Pull the traction rope to compress the spring, and the spring compression drives the cleaning sleeve to remove the dust attached to the outer wall of the sound and light alarm lamp. When the traction rope is released, the spring rebounds to drive Put the cleaning kit back in place.

Optionally, a limit rod is installed on the mounting plate, and the spring is wound around the outer wall of the limit rod and compressed or rebounded along the outer wall of the limit rod.

By adopting the above technical solution, the spring compresses or rebounds along the outer wall of the limit rod, and the limit rod can limit the spring, which is beneficial to improve the stability of spring compression or rebound, so as to improve the stability of the movement of the cleaning sleeve.

Optionally, the top of the cleaning cover is equipped with a number of cleaning soft wipes for wrapping the top of the sound and light alarm light. The cleaning soft wipes are distributed along the edge of the cleaning cover, and the side of the cleaning soft wipe near the sound and light alarm light is in contact with the sound contact with the outer wall of the light warning light.

By adopting the above technical scheme, several cleaning soft wipes wrap the outer wall at the top of the sound and light alarm lamp. When the elastic member is compressed, the elastic member drives the cleaning cover to slide along the outer wall of the sound and light alarm lamp, and the cleaning cover drives the cleaning soft wipe along the sound and light alarm. The outer wall of the light slides, and the sound and light alarm light relatively passes through the center surrounded by some cleaning soft wipes, so as to realize the removal of dust at the outer wall at the top of the sound and light alarm light.

Optionally, the cleaning soft wipe is a cleaning sponge.

By adopting the above technical solution, the cleaning sponge has good elasticity, which is beneficial to fit the outer wall of the acousto-optic alarm lamp, and the outer wall of the cleaning sponge is rough, and has a good effect of removing dust on the outer wall of the acousto-optic alarm lamp.

In summary, the application includes the following beneficial technical effects:

1. The transport vehicle passes through the sensor installed in the inclined shaft near the three-way intersection of the tunnel. The sensor passes through the controller, so that when the transport vehicle enters the main tunnel at the inclined shaft, the alarm will respond to the traffic in the main tunnel. Carry out warnings for transport vehicles to reduce safety accidents such as collisions between transport vehicles driving in the main tunnel and transport vehicles entering from inclined shafts;

2. The setting of the cleaning cover can improve the warning effect of the sound and light alarm light by removing the dust on the outer wall of the sound and light alarm light.

Description of drawings

Fig. 1 is a schematic diagram of an early warning system for a transport lane at a three-way intersection in a small-section tunnel according to an embodiment of the present application.

Figure 2 is a schematic diagram showing the locations of sensors and early warning devices.

Fig. 3 is a schematic diagram showing the structure of the sound and light warning light.

Explanation of reference numerals: 1. tunnel main hole; 2. inclined shaft; 3. sensor; 31. first ground sense coil; 32. second ground sense coil; 33. ground sense detector; 4. controller; 5 , early warning device; 51, sound and light alarm lamp; 52, cleaning cover; 53, spring; 54, limit rod; 55, traction rope; 56, cleaning sponge; 57, mounting plate.

detailed description

The present application is described in further detail below.

The embodiment of the present application discloses a transport lane warning system at a three-way crossing in a small-section tunnel. Referring to FIG. 1 , it includes a sensor 3 installed in an inclined shaft 2 close to the three-way crossing of the tunnel, and the sensor 3 is electrically connected to a controller 4. The controller 4 is electrically connected with an alarm, and the alarm is installed in the main hole 1 of the tunnel.

The inductor 3 includes a first ground induction coil 31 and a second ground induction coil 32. The first ground induction coil 31 and the second coil are both buried vertically on the surface of the inclined shaft 2 near the three-way intersection of the tunnel, and along the inclined shaft 2 The inner transport vehicles are arranged at intervals in the direction of traveling in the tunnel main hole 1, the first ground sense coil 31 and the second ground sense coil 32 are connected with ground sense monitors, and the ground sense detector 33 is arranged on the first ground sense coil 31 and the second ground sense coil 31. Ground induction coil 32 places.

The controller 4 includes a control box, and the control box is connected with an early warning device 5 . Referring to Fig. 2, the early warning device 5 includes two groups of sound and light warning lights 51, and the two groups of sound and light warning lights 51 are respectively installed vertically on the side walls of the main tunnel 1 along the length direction of the tunnel, and are located near the three-way intersection of the tunnel. The tunnel is on the side wall of hole 1.

A mounting plate 57 is arranged between the acousto-optic warning light 51 and the side wall of the main hole 1 of the tunnel. The top surface of the mounting plate 57. The outer wall of the sound and light alarm lamp 51 top is slidingly connected with a cleaning cover 52. The cleaning cover 52 is an annular plate that surrounds the outer wall of the sound and light alarm lamp 51. The inner wall of the cleaning cover 52 near the sound and light alarm lamp 51 is equipped with bristles to remove the sound and light alarm For the dust attached to the outer wall of the lamp 51, several cleaning sponges 56 are installed on the edge of the top of the cleaning cover 52. Several cleaning sponges 56 are distributed along the edge of the top of the cleaning cover 52. The cleaning sponges 56 are fan-shaped sheets to wrap the sound and light alarm lights. 51 top.

A traction rope 55 is installed on the outer wall of the cleaning cover 52 away from the sound and light alarm lamp 51, and the traction rope 55 extends downward. A spring 53 is vertically arranged between the cleaning cover 52 and the mounting plate 57, and the compression direction of the spring 53 is perpendicular to the top surface of the mounting plate 57. On the outer wall, one end of the spring 53 close to the mounting plate 57 is mounted on the top surface of the mounting plate 57 . A limiting rod 54 is arranged between the spring 53 and the mounting plate 57. The limiting rod 54 is a vertical cylindrical long rod and its length direction is consistent with the compression direction of the spring 53. The spring 53 is wound around the outer wall of the limiting rod 54.

The implementation principle of the small-section tunnel three-way crossing transport lane warning system in the embodiment of the present application is: when the transport vehicle enters the main tunnel 1 in the inclined shaft 2, it passes through the first ground sense coil 31 and the second ground sense coil in sequence 32. After the ground sense detector 33 detects that the transport vehicle passes by, the sound and light alarm light 51 is activated through the control box, and the sound and light alarm light 51 works to warn the transport vehicle driving in the main hole 1 of the tunnel. When the transport vehicles in the main tunnel 1 see the sound and light alarm light 51 working, they can actively avoid the transport vehicles coming down from the inclined shaft 2, so as to reduce the number of transport vehicles driving in the main tunnel 1 and the transport vehicles entering from the inclined shaft 2. Safety accidents such as collisions occur.

When the outer wall of the acousto-optic alarm lamp 51 causes the brightness of the acousto-optic alarm lamp 51 to be insufficient due to dust adhesion, the construction personnel pulls the traction rope 55 so that the spring 53 is compressed along the limit rod 54, and the spring 53 drives the cleaning cover 52 and the cleaning sponge 56 Slide along the outer wall of the sound and light warning light 51 to remove the dust attached to the outer wall of the sound and light warning light 51 to improve the warning effect of the sound and light warning light 51 .

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. The utility model provides a little section tunnel three-way crossing transport lane early warning system which characterized in that: including inductor (3) that are used for responding to through inclined shaft (2) entering haulage vehicle in the positive hole in tunnel (1), install in inclined shaft (2) inductor (3) and be close to tunnel three-way crossing department, inductor (3) electric connection has controller (4), and controller (4) electric connection has the alarm that is used for realizing that inclined shaft (2) come the car and warns in advance, and the alarm is installed in positive hole in tunnel (1).

2. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 1, characterized in that: the inductor (3) comprises a ground induction coil buried in the ground surface of the inclined shaft (2) close to the tunnel junction and a ground induction detector (33) connected with the ground induction coil.

3. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 2, wherein: the ground induction coil comprises a first ground induction coil (31) and a second ground induction coil (32), a first inductor (3) and a second inductor (3) are arranged at intervals along the direction of the transportation vehicle in the inclined shaft (2) running towards the tunnel main tunnel (1), and the first ground induction coil (31) and the second ground induction coil (32) are connected with a ground induction detector (33).

4. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 1, wherein: the alarm includes audible and visual alarm lamp (51), and the outer wall department of audible and visual alarm lamp (51) slides and is had clean cover (52) that is used for cleaing away the dust of audible and visual alarm lamp (51) outer wall, and the elastic component is connected to one side that audible and visual alarm lamp (51) were kept away from in clean cover (52), and clean cover (52) are connected with and are used for pulling haulage rope (55) that clean cover (52) made the elastic component compression.

5. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 4, wherein: an installation plate (57) is arranged between the acousto-optic alarm lamp (51) and the side wall of the tunnel, the installation plate (57) is installed on the side wall of the tunnel, the acousto-optic alarm lamp (51) is installed on the installation plate (57), the elastic piece is a spring (53), one end, close to the cleaning sleeve (52), of the spring (53) is installed on the outer wall of the cleaning sleeve (52), and one end, far away from the cleaning sleeve (52), of the spring (53) is installed on the corresponding side of the installation plate (57).

6. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 5, wherein: the mounting plate (57) is provided with a limiting rod (54), and the spring (53) is wound on the outer wall of the limiting rod (54) and is compressed or rebounded along the outer wall of the limiting rod (54).

7. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 4, characterized in that: the top end of the cleaning sleeve (52) is provided with a plurality of cleaning soft wipers, the cleaning soft wipers are distributed along the edge of the cleaning sleeve (52), and one side of the cleaning soft wiper close to the acousto-optic alarm lamp (51) is in contact with the outer wall of the acousto-optic alarm lamp (51).

8. The early warning system for the transport lane at the three-way intersection of the small-section tunnel according to claim 7, characterized in that: the cleaning soft wiper is a cleaning sponge (56).

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