CN111794797A - A tunnel dust removal device and using method - Google Patents

Abstract

The invention discloses a tunnel dust removal device which comprises a walking trolley, a dust remover, an operation track and a track shield, wherein the dust remover, the operation track and the track shield are arranged on the walking trolley, the track shield surrounds the operation track on three sides or four sides, the walking trolley and the track shield can respectively move along the operation track, and the track shield can at least shield the operation track with a certain length close to a tunnel face during blasting. The travelling trolley and the track shield can move on the running track, the track shield is moved to one end of the running track close to the tunnel face before blasting and shields the running track with a certain length, flying stones can be blocked outside, the flying stones are prevented from entering the track, the track shield can be remotely controlled to exit after blasting, and the travelling trolley provided with a dust remover is controlled to enter a tunnel for dust removal operation.

Description

A tunnel dust removal device and using method

technical field

The invention relates to a tunnel dust removal device, and also relates to a method for using the tunnel dust removal device.

Background technique

In tunnel construction in my country, the drilling and blasting method is often used for tunnel excavation, but after blasting, a large amount of gun smoke will be generated, containing fine particles and harmful gases. The smoke and dust in the tunnel will seriously threaten the health and safety of tunnel operators. 15 minutes after the blasting of the tunnel, the construction personnel can enter the construction only after the concentration of dust and harmful gas in the tunnel has dropped to the allowable concentration. Equipment is also inaccessible, so as the tunnel deepens, ventilation and fume extraction will be very difficult, so the efficiency of ventilation and fume extraction also affects the speed of tunnel excavation.

On the other hand, blasting will produce flying stones, which will enter the track near the tunnel face for the movement of the trolley, which will destroy the normal use of the track.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a tunnel orbital dust removal device, which can protect the running track during blasting and avoid the entry of flying stones. After the blasting is completed, the orbital dust collector can quickly enter the tunnel for dust removal without the need to clean the rail. The smoke and dust and harmful gases in the tunnel are reduced to a concentration that allows workers to enter, thereby saving waiting time and improving the efficiency and progress of tunnel construction. Another object of the present invention is to provide a method for using the above-mentioned tunnel dust removal device.

To this end, a tunnel dust removal device provided by the present invention includes a traveling trolley, a dust collector arranged on the traveling trolley, a running track and a track shield, the track shield surrounds the running track on three or four sides, and the traveling trolley and the track shield can be It moves along the running track, wherein the track shield can cover at least a certain length of the running track close to the face during blasting.

Preferably, the outer contour size of the traveling trolley and the dust collector is smaller than the inner contour size of the track shield, the traveling trolley is provided with rollers matched with the rail head of the running track, the running track rail waist is provided with grooves, and the track shield is provided with The rollers matched with the grooves of the running track, the traveling trolley and the track shield respectively move on the running track without interfering with each other through the cooperation of the rollers and the running track.

Further, the running track is a monorail track and is fixed on the tunnel wall, the lower part of the walking trolley has an inverted concave chassis, the inner side of the chassis is provided with a roller matched with the running track, and the surface of the roller wheel is in contact with the surface of the rail head of the running track; The cross section of the track shield is in the shape of a notch and surrounds the running track, and the track shield is provided with rollers which are matched with the groove or the surface of the running track.

Further, the running track is arranged in the middle of the side wall of the tunnel.

Further, the track shield rollers are arranged outside a certain distance from one end of the track shield.

Further, a tunnel dust removal device also includes:

An electronic monitor for collecting tunnel environment information, the electronic monitor includes a camera and a depth sounder, the depth sounder is installed on the unobstructed car body facing the tunnel, and the camera is installed on the roof of the car;

a power system for driving the traveling trolley and the track guard to move, the power system is respectively arranged on the traveling trolley and the track guard, and the power system is provided with a braking device and a movement control device;

The main control chip and the power supply system, the main control chip and the power supply system are respectively arranged on the walking trolley and the track shield, the main control chip, the power supply system, the electronic monitor and the mobile control device are connected by wires, and the main control chip has the signal receiving function , transmission, processing module, after the electronic monitor detects the environmental signal, the information is immediately transmitted to the main control chip through the wire, and the main control chip immediately transmits and outputs the information to the output device in the control room through the wire or wirelessly.

The controller is connected with the main control chip by wire or wireless, the controller can send instructions to the main control chip, and the main control chip can control the mobile control device to perform corresponding actions after receiving the instructions.

Further, the dust collector includes a water pipe and an adjustable nozzle, the water pipe is fixed on the circular slot of the walking trolley, and the adjustable nozzle is connected with the water pipe.

Further, the adjustable nozzle is a rotary nozzle, and the rotary nozzle is provided with a rotation control device, the rotation control device is electrically connected with the main control chip, and the controller can issue the rotation control device to the rotation control device through the main control chip. instruction.

The present invention also includes a method for using the above-mentioned tunnel dust removal device, which is characterized by comprising the following steps:

1) The running track is fixed on the tunnel wall by the fixed anchor rod;

2) Lubricant on the running track, install the walking trolley and the track shield on the running track;

3) Do a good job of waterproof and dustproof protection of electronic equipment;

4) Before blasting, use the controller to control the track shield to move to the face until the track shield covers a distance of the running track close to the end of the face, and control the track shield roller to stop;

5) After blasting, use the controller to control the track shield roller to release the brake and exit outward;

6) Use the controller to control the walking trolley to move forward into the tunnel, turn on the electronic monitor, and the electronic monitor transmits the environmental information in the tunnel in real time. And turn on the water pipe switch for spraying, according to the information transmitted by the camera, adjust the spraying area of the rotating nozzle through the rotating nozzle controller or control the walking trolley to move forward and backward to adjust the spraying area;

7) After the spraying, use the controller to control the walking trolley to exit the spraying work area, and the dust removal work is over.

The technical effect of the present invention is:

(1) A track shield is installed on the running track to prevent flying stones from entering during blasting and ensure the normal use of the running track;

(2) The inner contour size of the track shield is larger than the outer contour size of the combination of the walking trolley and the dust collector. The track shield and the walking trolley can move on the running track without interfering with each other. After the blasting is completed, the track shield can be remotely controlled to exit the designated area. In the dust removal operation area, the walking trolley is remotely controlled to move to the dust removal operation area with the help of the depth sounder, and the environmental information of the tunnel is detected by the camera and transmitted to the rear. Entering the tunnel, the dust collector automatically performs the purpose of dust removal, and can adjust the rotating nozzle according to the information detected by the camera, or control the walking trolley to move forward and backward to achieve the best effect of dust removal.

Description of drawings

1 is a schematic diagram of a tunnel dust removal device according to the present invention;

Fig. 2 is the left side view of the roller and the running track of the track shield of Embodiment 1;

Fig. 3 is the left side view of the track shield of embodiment 2;

4 is a schematic diagram of a running track groove;

Fig. 5 is the schematic diagram of rotating nozzle;

Figure 6 is a schematic diagram of a water pipe and a water pipe slot;

Figure 7 is a schematic diagram of a walking trolley or a track shield controller;

8 is a schematic diagram of a rotary nozzle controller;

FIG. 9 is a schematic diagram of the running track of Example 3. FIG.

Description of reference signs: 1. Running track; 2. Fixed anchor rod; 3. Walking trolley; 4. Roller; 5. Main control chip; 6. Indicator light; 7. Water pipe; 8. Card slot; 9. Camera; 10 , depth sounder; 11, rotary nozzle; 12, rotary control device; 13, walking trolley or track shield controller; 14, brake button; 15, forward rocker; 16, backward rocker; 17, rotary nozzle controller ; 18, track guard; 19, dust collector; 20, groove; 21, second track; 22, cushion; 101, rail head; 102, rail waist; 103, rail bottom; 401, first driving wheel; 402, the first auxiliary wheel; 403, the second driving wheel; 404, the second auxiliary wheel.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and embodiments. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top" "Face", "inner" and "outer" refer to directions toward or away from the geometric center of a particular part, respectively.

Referring to Figure 1, a tunnel dust removal device in Embodiment 1 includes a running track 1, a traveling trolley 3, a rail shield 18, and a dust collector 19 provided on the traveling trolley 3. The traveling trolley 3 and the track shield 18 is arranged on the running track 1. The track shield surrounds the running track on all sides and can move along the running track 1. The track shield 18 can block at least a certain length of the running track 1 near one end of the palm face. The track 1 is a single track, and obviously the running track 1 can also be a double track.

In the above embodiment, as shown in FIG. 1 , the outer contour size of the combination of the traveling trolley 3 and the dust collector 19 is smaller than the inner contour size of the track shield 18, and the traveling trolley 3 is provided with a roller 4 that cooperates with the rail head 101 of the running track 1, The running track rail waist 102 is provided with a groove 20, the track shield 18 is provided with a roller 4 that cooperates with the running track groove 20, and the traveling trolley 3 and the track shield 18 do not interfere with each other through the cooperation of the roller 4 with the running track. move on the running track. The track shield 18 is in the shape of a hollow cuboid with a gap or a hollow semi-cylindrical body, and can be made of a material with certain rigidity. This embodiment is a preferred solution. The track shield and the walking trolley can move on the track without interfering with each other at the same time. Another solution is to set a herringbone track on a section of the track. After the blasting is completed, move the track shield first. To a sub-track of the herringbone track, after the walking trolley moves to the designated dust removal operation area, after the dust removal is completed, after the walking trolley exits, the track shield is moved to the target running track area.

In the above-mentioned embodiment, referring to Fig. 1, Fig. 2, Fig. 4, the running track 1 is a monorail track and is fixed on the side wall or top wall of the tunnel through the fixed anchor rod 2, and the preferred solution is to be fixed in the middle of the side wall, For the water spraying and dust removal method, the water curtain sprayed in the middle of the side wall covers a large area. The lower part of the walking trolley 3 has an inverted concave chassis. The roller 4 includes a driving wheel and an auxiliary wheel. The driving wheel provides the power for the trolley to run, and the auxiliary wheel Playing the role of assistance and positioning, the inner side of the chassis of the walking trolley is respectively provided with a first driving wheel 401 that cooperates with the upper end surface of the rail head 101 of the running track 1, a first auxiliary wheel 402 that cooperates with the side surface of the rail head 101, and the first driving wheel 401 The wheel surface of the first auxiliary wheel 402 is in contact with the surface of the rail head 101 of the running track 1; the cross-section of the track shield 18 is in the shape of a notch, the above-mentioned groove 20 can be arranged on the track rail waist 102, and the track shield 18 is provided with The second driving wheel 403 matched with the upper surface of the rail bottom 103 and the second auxiliary wheel 404 matched with the surfaces on both sides of the rail bottom 103 of the running track 1. At this time, since the body of the walking trolley is restricted by the first driving wheel 401, The first auxiliary wheel and the body of the traveling trolley will not interfere with the track shield.

Referring to FIG. 1 , in the above embodiment, the roller 4 of the track shield 18 is set at a certain distance from one end of the track shield 18 , and its function is that the track shield 18 can exceed the running track 1 for a certain distance as a whole, so as to play a role in to block the running track 1 to prevent flying stones from entering.

Referring to Figure 1, in the above-mentioned embodiment, it also includes:

An electronic monitor for collecting tunnel environment information. The electronic monitor includes a camera 9 and a depth sounder 10. The depth sounder 10 is provided on the unobstructed car body toward the tunnel, preferably on the side of the car body, and the camera 9 Set on the roof of the trolley, the camera 9 can rotate 360° on the roof;

The power system that drives the traveling trolley 3 and the track shield 18 to move, the power system is respectively arranged on the traveling trolley 3 and the track shield 18, and the power system is provided with a brake and a movement control device;

The main control chip 5 and the power supply system, the main control chip 5 and the power supply system are respectively arranged on the walking trolley 3 and the track shield 18, the main control chip also includes the indicator light 6, the main control chip 5, the power supply system, the electronic monitor and the mobile The control devices are connected by wires, and the main control chip 5 has signal receiving, transmission and processing modules. After the electronic monitor detects the environmental signal, the information is immediately transmitted to the main control chip 5 through the wire, and the main control chip 5 immediately passes the wire or Wirelessly transmit and output information to an output device.

The controller is connected to the main control chip 5 by wired or wireless means, the controller can send instructions to the main control chip 5, and the main control chip 5 can control the mobile control device to perform corresponding actions after receiving the instructions.

In the above embodiment, the movement of the track shield 18 and the traveling trolley 3 can be controlled by the controller. Before blasting, the track shield 18 is moved to the end of the running track 1 that faces the face of the tunnel and blocks the end of the running track 1 that is close to the face of the tunnel. After the blasting is completed, use the controller to control the track shield 18 to move out of the tunnel, and use the controller to control the traveling trolley 3 to move to the designated dust removal operation area. The traveling trolley 3 is traveling, and the depth sounder 10 can measure the distance. The distance of the palm surface or the measured travel distance helps the walking trolley 3 move to the designated dust removal position.

Referring to FIGS. 1 and 6 , in the above embodiment, the dust collector 19 includes a water pipe 7 and an adjustable nozzle, the water pipe 7 is fixed on the circular slot 8 of the traveling trolley 3 , and the adjustable nozzle is connected to the water pipe 7 .

Referring to FIG. 5 , in the above embodiment, the adjustable nozzle is a rotary nozzle 11 , and a rotation control device 12 is provided on the rotary nozzle 11 . The rotation control device 12 and the controller are electrically connected to the main control chip 5 , so The controller can control the spraying range by sending an instruction to the main control chip 5 to make the rotation control device 12 rotate. In this embodiment, the controller can determine the area that needs to be sprayed intensively according to the information detected by the camera 9, and then adjust the spraying by adjusting the rotating spray head 11 or controlling the trolley to move forward or backward.

Referring to FIG. 7, as shown in FIG. 8, the above-mentioned controller may include a walking trolley or track shield controller 13 with a remote control lever and a rotary sprinkler controller 17. Referring to FIG. 6, the walking trolley or track shield control The actuator 13 includes a brake button 14 , a forward rocker 15 and a reverse rocker 16 .

The above-mentioned remote control technology of the walking trolley and the track shield is the prior art, such as the long-distance construction track and control method for civil engineering disclosed by the publication number CN111232013A, and the remote instant transmission technology of the electronic monitor is also the prior art, It has been widely used in various fields of social life, so the above structure and technology will not be repeated.

Referring to FIG. 3 , the difference between Embodiment 2 and Embodiment 1 is that the running track is not provided with grooves, the second track 21 is provided below the running track, and the second driving wheel 403 of the track shield is provided on the second track. 21, the second auxiliary wheel 404 of the track shield is arranged on the running track rail waist below the walking trolley, the track shield surrounds the running track on three sides and together with the second track constitutes a protection to prevent flying stones from entering the running track, at the same time, It realizes the non-interference operation of the walking trolley and the track shield.

Referring to FIG. 9 , in the above-mentioned embodiment, the running track provided in the middle of the side wall can only be used when the weight of the traveling trolley and the track shield is relatively light. The cross-section of the shield 18 is inverted concave, and a cushion layer 22 is provided under the running track 1 from the tunnel floor upward.

The present invention also includes a method for using the above-mentioned tunnel dust removal device, comprising the following steps:

1) The running track 1 is fixed on the tunnel wall by the fixed anchor rod 2;

2) Lubricant on the running track 1, and install the traveling trolley 3 and the track shield 18 on the running track 1;

3) Do a good job of waterproof and dustproof protection of electronic equipment;

4) Before blasting, use the controller to control the track shield 18 to move toward the face until the track shield 18 blocks a distance of the running track 1 close to one end of the face, and control the track shield 18 to stop the roller 4;

5) After blasting, use the controller to control the track shield 18 and the roller 4 to release the brake and exit outwards;

6) Use the controller to control the walking trolley 3 to move forward into the tunnel, turn on the electronic monitor, the electronic monitor transmits the environmental information in the tunnel in real time, and the controller moves the walking trolley 3 to the designated area according to the depth sounder 10, Stop, and turn on the switch of the water pipe 7 for spraying, through the information transmitted by the camera 9, adjust the spraying area of the rotating nozzle 11 through the rotating nozzle controller 12 or control the walking trolley 3 to move forward and backward to adjust the spraying area;

7) After the spraying is over, use the controller to control the walking trolley 3 to exit the spraying work area, and the dust removal work is over.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. a tunnel dust-removing device, comprising a traveling trolley and a dust collector arranged on the traveling trolley, is characterized in that: also include a running track and a track shield, the track shield surrounds the running track on three sides or four sides, and the traveling trolley and the track The shield can move along the running track, wherein the track shield can block at least a certain length of the running track close to the face during blasting. 2. A tunnel dust-removing device according to claim 1, characterized in that: the outer contour size of the traveling trolley and the dust collector is smaller than the inner contour size of the track shield, and the traveling trolley is provided with a roller that cooperates with the running track rail head, and runs. The track rail waist is provided with grooves, and the track shield is provided with rollers matched with the running track grooves. The traveling trolley and the track shield move on the running track through the cooperation of the rollers and the running track without interfering with each other. 3. A tunnel dust removal device according to claim 2, characterized in that: the running track is a monorail track and is fixed on the tunnel wall, the lower part of the walking trolley has an inverted concave chassis, and the inner side of the chassis is provided with a The running track is matched with the roller, and the surface of the roller is in contact with the surface of the running track rail head; the cross section of the track shield is in the shape of a notch and surrounds the track, and the track shield is provided with a groove or the surface of the running track. scroll wheel. 4 . The dust removal device in a tunnel according to claim 3 , wherein the running track is arranged in the middle of the side wall of the tunnel. 5 . 5 . A tunnel dust removal device according to claim 3 , wherein the track shield rollers are arranged at a certain distance from one end of the track shield. 6 . 6. A tunnel dust removal device according to any one of claims 1 to 5, characterized in that: further comprising: An electronic monitor for collecting tunnel environment information, the electronic monitor includes a camera and a depth sounder, the depth sounder is installed on the unobstructed car body facing the tunnel, and the camera is installed on the roof of the car; a power system for driving the traveling trolley and the track guard to move, the power system is respectively arranged on the traveling trolley and the track guard, and the power system is provided with a brake and a movement control device; The main control chip and the power supply system, the main control chip and the power supply system are respectively arranged on the walking trolley and the track shield, the main control chip, the power supply system, the electronic monitor and the mobile control device are connected by wires, and the main control chip has the signal receiving function , transmission and processing module, after the electronic monitor detects the environmental signal, it immediately transmits the information to the main control chip through the wire, and the main control chip immediately transmits and outputs the information to the output device through the wire or wirelessly; The controller is connected with the main control chip by wire or wireless, the controller can send instructions to the main control chip, and the main control chip can control the mobile control device to perform corresponding actions after receiving the instructions. 7. A tunnel dust removal device according to claim 6, wherein the controller comprises a walking trolley or a rail shield controller and a rotating nozzle controller with rocker control, and the walking trolley or The track shield controls include the brake button, forward rocker and reverse rocker. 8 . The tunnel dust removal device according to claim 6 , wherein the dust collector comprises a water pipe and a regulating nozzle, the water pipe is fixed on the circular groove of the walking trolley, and the regulating nozzle is connected with the water pipe. 9 . 9 . A tunnel dust removal device according to claim 8 , wherein the adjustable nozzle is a rotary nozzle, and the rotary nozzle is provided with a rotary control device, and the rotary control device is electrically connected to the main control chip, so that the The controller can send an instruction to the main control chip, and control the rotation of the rotating nozzle to change the spraying area through the rotation control device. 10. A method of using the tunnel dust removal device according to claim 9, characterized in that it comprises the following steps: 1) The running track is fixed on the tunnel wall by the fixed anchor rod; 2) Lubricant on the running track, install the walking trolley and the track shield on the running track; 3) Do a good job of waterproof and dustproof protection of electronic equipment; 4) Before blasting, use the controller to control the track shield to move to the face until the track shield covers a distance of the running track close to the end of the face, and control the track shield roller to stop; 5) After blasting, use the controller to control the track shield roller to release the brake and exit outward; 6) Use the controller to control the walking trolley to move forward into the tunnel, turn on the depth sounder and the camera, the camera and the depth sounder transmit the detected tunnel information in real time, and the controller moves the walking trolley to the designated area according to the depth sounder. Stop, and turn on the water pipe switch for spraying. According to the real-time information transmitted by the camera, adjust the spraying area of the rotating nozzle through the rotary control device or control the walking trolley to move forward and backward to adjust the spraying area; 7) After the spraying, use the controller to control the walking trolley to exit the spraying work area, and the dust removal work is over.

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