Tunnel ventilation device with pollutant monitoring function

Abstract

The utility model provides a tunnel ventilation device with a pollutant monitoring function. The tunnel ventilation device with the pollutant monitoring function comprises a shell, a plurality of strip-shaped holes are formed in the top of the shell, and a box body is arranged below the shell; the air quality sensor is fixedly arranged on the inner wall of the bottom of the shell and is used for monitoring pollutants; the plurality of filter screens are respectively mounted on the plurality of strip-shaped holes in a sliding manner; the plurality of filter screens are in contact with the inner wall of the shell; the top cover is welded at the tops of the filter screens; the exhaust mechanism is installed on the shell and used for tunnel ventilation; and the plurality of lifting mechanisms are assembled on the box body and are used for lifting the shell. The tunnel ventilation device with the pollutant monitoring function solves the technical problems that when an existing tunnel ventilation device is maintained, the falling risk exists, and maintenance is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel ventilation devices, in particular to a tunnel ventilation device with a pollutant monitoring function. Background Art

[0002] During the tunnel construction process, ventilation is an indispensable technical link. Under mechanized operation, ventilation equipment can supply fresh air to the construction site in the tunnel, remove dust and various toxic and harmful gases, create a good working environment, and ensure the health and safety of construction workers. At the same time, ventilation is also a necessary condition for maintaining the normal operation of electromechanical equipment in the tunnel.

[0003] In the prior art, in order to ensure the ventilation effect of the tunnel ventilation device, a bracket is generally used to fix the tunnel ventilation device at a suitable height for use. Although the use of the bracket can improve the ventilation effect, when the tunnel ventilation device fails, maintenance personnel are required to use a ladder to repair it at a high place. This maintenance method not only has the risk of falling, but also has the problem of inconvenience in maintenance. Utility Model Content

[0004] In order to solve the technical problems of the existing tunnel ventilation devices such as the risk of falling during maintenance and the inconvenience of maintenance, the utility model provides a tunnel ventilation device with a pollutant monitoring function.

[0005] The utility model provides a tunnel ventilation device with a pollutant monitoring function, comprising: a shell, a plurality of strip holes are opened on the top of the shell, a box body is arranged below the shell; an air quality sensor fixedly mounted on the inner wall of the bottom of the shell for monitoring pollutants; a plurality of filter screens respectively slidably mounted on the plurality of strip holes, the plurality of filter screens are in contact with the inner wall of the shell; a top cover welded on the top of the plurality of filter screens; an exhaust mechanism installed on the shell for tunnel ventilation; and a plurality of lifting mechanisms mounted on the box body for lifting the shell.

[0006] Preferably, the exhaust mechanism includes a plurality of support rods, a drive motor and fan blades, the plurality of support rods are fixedly mounted on the inner wall of the shell, the drive motor is fixedly mounted on one end of the plurality of support rods close to each other, and the fan blades are fixedly mounted on the output shaft of the drive motor.

[0007] Preferably, the lifting mechanism includes a dual-axis motor, two rotating shafts, two screw sleeves, two screws, two first bevel gears and two second bevel gears, the dual-axis motor is fixedly mounted on the bottom inner wall of the box, the two rotating shafts are respectively fixedly mounted on the two output shafts of the dual-axis motor, the two screw sleeves are both fixedly mounted on the shell, the two screws are both rotatably mounted on the box, the two screws are respectively threadedly connected with the two screw sleeves, the two first bevel gears are respectively fixedly mounted on the two rotating shafts, the two second bevel gears are respectively fixedly mounted on the bottom ends of the two screws, and the two second bevel gears are respectively meshed with the two first bevel gears.

[0008] Preferably, a plurality of support seats are fixedly mounted on the inner wall of the bottom of the box body, and the plurality of support seats are rotatably connected to the plurality of rotating shafts respectively.

[0009] Preferably, a barrier net for blocking objects is fixedly mounted on one side of the shell, and the barrier net is made of stainless steel.

[0010] Preferably, a display screen and a controller are fixedly mounted on the box body, and a plurality of bolts are threadedly mounted on the top cover, and the plurality of bolts are all threadedly connected to the top of the shell.

[0011] Preferably, two observation ports are provided on one side of the shell, and observation windows are fixedly mounted on the inner walls of the two observation ports.

[0012] Compared with the related art, the tunnel ventilation device with pollutant monitoring function provided by the utility model has the following beneficial effects:

[0013] The utility model provides a tunnel ventilation device with a pollutant monitoring function, which can suck fresh air from the outside into a shell through an exhaust mechanism, and can filter the gas entering the shell for multiple times through multiple filters to improve the gas quality. After the gas is filtered, it will enter the tunnel to realize tunnel ventilation, and the pollutant concentration in the gas entering the shell can be detected by an air quality sensor, and the detected pollutant concentration can be displayed through a display screen, and the dirtiness of multiple filters can be conveniently checked through two observation windows, and the height of the shell can be adjusted by a lifting mechanism, which is convenient for maintenance personnel to perform maintenance work on the inside of the shell on the ground, thereby solving the problems of falling risks and inconvenience in maintenance during maintenance, and the use effect is good. The height adjustment of the shell can not only bring convenience to the maintenance work, but also meet the ventilation requirements of different tunnels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A schematic cross-sectional view of a preferred embodiment of a tunnel ventilation device with a pollutant monitoring function provided by the utility model;

[0015] Figure 2 It is a schematic diagram of the external structure of the utility model;

[0016] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the rotating shaft, the first bevel gear and the supporting seat of the utility model.

[0018] Numbers in the figure: 1. Shell; 2. Box; 3. Air quality sensor; 4. Filter; 5. Top cover; 6. Support rod; 7. Drive motor; 8. Fan blades; 9. Dual-axis motor; 10. Rotating shaft; 11. Screw sleeve; 12. Screw; 13. First bevel gear; 14. Second bevel gear; 15. Support seat; 16. Barrier net; 17. Display screen; 18. Controller; 19. Observation window. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1-4 ,in, Figure 1 A schematic cross-sectional view of a preferred embodiment of a tunnel ventilation device with a pollutant monitoring function provided by the utility model; Figure 2 It is a schematic diagram of the external structure of the utility model; Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 4 The three-dimensional structural diagram of the rotating shaft, the first bevel gear and the support seat of the utility model. The tunnel ventilation device with pollutant monitoring function includes: a shell 1, the top of the shell 1 is provided with a plurality of strip holes, and a box 2 is arranged below the shell 1; an air quality sensor 3 fixedly mounted on the inner wall of the bottom of the shell 1 for monitoring pollutants; a plurality of filter screens 4 respectively slidably mounted on the plurality of the strip holes, and the plurality of the filter screens 4 are in contact with the inner wall of the shell 1; a top cover 5 welded on the top of the plurality of the filter screens 4; an exhaust mechanism for tunnel ventilation installed on the shell 1; a plurality of lifting mechanisms mounted on the box 2 for lifting the shell 1, and the height of the shell 1 can be adjusted by the lifting mechanism, which can facilitate maintenance personnel to perform maintenance work on the inside of the shell 1 on the ground, solve the problem of falling risk and inconvenience in maintenance during maintenance, and have a good use effect. The height adjustment of the shell 1 can not only bring convenience to maintenance work, but also meet the ventilation requirements of different tunnels.

[0021] The exhaust mechanism includes multiple support rods 6, a drive motor 7 and fan blades 8. The multiple support rods 6 are fixedly mounted on the inner wall of the shell 1, the drive motor 7 is fixedly mounted on one end of the multiple support rods 6 close to each other, and the fan blades 8 are fixedly mounted on the output shaft of the drive motor 7. Fresh air from the outside can be sucked into the shell 1 through the exhaust mechanism.

[0022] The lifting mechanism includes a dual-axis motor 9, two rotating shafts 10, two screw sleeves 11, two screws 12, two first bevel gears 13 and two second bevel gears 14. The dual-axis motor 9 is fixedly mounted on the bottom inner wall of the box body 2, the two rotating shafts 10 are respectively fixedly mounted on the two output shafts of the dual-axis motor 9, the two screw sleeves 11 are both fixedly mounted on the housing 1, the two screws 12 are both rotatably mounted on the box body 2, the two screws 12 are respectively threadedly connected with the two screw sleeves 11, the two first bevel gears 13 are respectively fixedly mounted on the two rotating shafts 10, the two second bevel gears 14 are respectively fixedly mounted on the bottom ends of the two screws 12, and the two second bevel gears 14 are respectively meshed with the two first bevel gears 13.

[0023] A plurality of support seats 15 are fixedly mounted on the inner wall of the bottom of the box body 2 . The plurality of support seats 15 are rotatably connected to the plurality of rotating shafts 10 , respectively. The plurality of support seats 15 can support the plurality of rotating shafts 10 .

[0024] A barrier net 16 for blocking objects is fixedly installed on one side of the shell 1. The barrier net 16 is made of stainless steel. The barrier net 16 can prevent foreign objects from entering the shell 1 to prevent the exhaust mechanism from being disturbed during use.

[0025] A display screen 17 and a controller 18 are fixedly mounted on the box body 2, and a plurality of bolts are threadedly mounted on the top cover 5, and the plurality of bolts are all threadedly connected to the top of the shell 1. The detected pollutant concentration can be displayed through the display screen 17, and the top cover 5 can be stably mounted on the shell 1 through the plurality of bolts.

[0026] Two observation ports are provided on one side of the housing 1 , and observation windows 19 are fixedly mounted on the inner walls of the two observation ports. The dirtiness of the multiple filters 4 can be conveniently checked through the two observation windows 19 .

[0027] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0028] The working principle of the tunnel ventilation device with pollutant monitoring function provided by the utility model is as follows:

[0029] When in use, the shell 1 needs to be connected to the ventilation duct in the tunnel. The barrier net 16 can prevent external objects from entering the shell 1 to prevent the exhaust mechanism from being disturbed during use. When the interior of the tunnel needs to be ventilated, the drive motor 7 is started, and the drive motor 7 drives the fan blades 8 to rotate. The fan blades 8 will suck fresh air from the outside into the shell 1. After the gas entering the shell 1 is filtered by multiple filter screens 4, it will enter the tunnel to realize tunnel ventilation. The air quality sensor 3 will detect the pollutant concentration in the gas entering the shell 1. The detected pollutant concentration will be processed by the controller 18, and the detection status of the pollutants will be displayed on the display screen 17 for personnel to watch. If the detected pollutant concentration is too high, it is necessary to take corresponding measures to solve such problems.

[0030] When maintenance work is required on the interior of the shell 1, the dual-axis motor 9 is started to drive the rotating shaft 10 to rotate, the rotating shaft 10 will drive the first bevel gear 13 to rotate, the first bevel gear 13 will drive the screw 12 to rotate on the box body 2 through the second bevel gear 14, the screw 12 will drive the screw sleeve 11 to move vertically, the screw sleeve 11 will drive the shell 1 to move vertically, and then the shell 1 can be adjusted to a lower position. After the shell 1 is adjusted to a lower position, the maintenance personnel can perform maintenance work on the inside of the shell 1 on the ground, which solves the problem of falling risk and inconvenience in maintenance during maintenance, and has a good use effect. The height adjustment of the shell 1 can not only bring convenience to the maintenance work, but also meet the ventilation requirements of different tunnels.

[0031] Compared with the related art, the tunnel ventilation device with pollutant monitoring function provided by the utility model has the following beneficial effects:

[0032] The utility model provides a tunnel ventilation device with a pollutant monitoring function, which can suck fresh air from the outside into a shell 1 through an exhaust mechanism, and can filter the gas entering the shell 1 for multiple times through multiple filters 4 to improve the gas quality. After the gas is filtered, it will enter the tunnel to realize tunnel ventilation, and the pollutant concentration in the gas entering the shell 1 can be detected through an air quality sensor 3, and the detected pollutant concentration can be displayed through a display screen 17, and the dirtiness of multiple filters 4 can be conveniently checked through two observation windows 19, and the height of the shell 1 can be adjusted through a lifting mechanism, which can facilitate maintenance personnel to perform maintenance work on the inside of the shell 1 on the ground, thereby solving the problems of falling risks and inconvenience in maintenance during maintenance, and having a good use effect. The height adjustment of the shell 1 can not only bring convenience to the maintenance work, but also meet the ventilation requirements of different tunnels.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tunnel ventilation device with pollutant monitoring function, characterized in that: include: A shell, wherein a plurality of strip-shaped holes are opened on the top of the shell, and a box body is arranged below the shell; An air quality sensor fixedly mounted on the inner wall of the bottom of the housing for monitoring pollutants; A plurality of filter screens are slidably mounted on the plurality of the strip-shaped holes, and the plurality of filter screens are in contact with the inner wall of the shell; A top cover welded to the top of the plurality of filter screens; An exhaust mechanism mounted on the housing for tunnel ventilation; A plurality of lifting mechanisms are mounted on the box body and used for lifting the shell.

2. The tunnel ventilation device with pollutant monitoring function according to claim 1 is characterized in that: The exhaust mechanism includes a plurality of support rods, a drive motor and fan blades. The plurality of support rods are fixedly mounted on the inner wall of the shell, the drive motor is fixedly mounted on one end of the plurality of support rods close to each other, and the fan blades are fixedly mounted on the output shaft of the drive motor.

3. The tunnel ventilation device with pollutant monitoring function according to claim 1 is characterized in that: The lifting mechanism includes a double-axis motor, two rotating shafts, two screw sleeves, two screws, two first bevel gears and two second bevel gears. The double-axis motor is fixedly mounted on the bottom inner wall of the box body, the two rotating shafts are respectively fixedly mounted on the two output shafts of the double-axis motor, the two screw sleeves are both fixedly mounted on the shell, the two screws are both rotatably mounted on the box body, the two screws are respectively threadedly connected with the two screw sleeves, the two first bevel gears are respectively fixedly mounted on the two rotating shafts, the two second bevel gears are respectively fixedly mounted on the bottom ends of the two screws, and the two second bevel gears are respectively meshed with the two first bevel gears.

4. The tunnel ventilation device with pollutant monitoring function according to claim 3 is characterized in that: A plurality of support seats are fixedly mounted on the inner wall of the bottom of the box body, and the plurality of support seats are rotatably connected to the plurality of rotating shafts respectively.

5. The tunnel ventilation device with pollutant monitoring function according to claim 1 is characterized in that: A barrier net for blocking objects is fixedly installed on one side of the shell, and the barrier net is made of stainless steel.

6. The tunnel ventilation device with pollutant monitoring function according to claim 1, characterized in that: A display screen and a controller are fixedly mounted on the box body, and a plurality of bolts are threadedly mounted on the top cover, and the plurality of bolts are all threadedly connected to the top of the shell body.

7. The tunnel ventilation device with pollutant monitoring function according to claim 1 is characterized in that: Two observation ports are provided on one side of the shell, and observation windows are fixedly installed on the inner walls of the two observation ports.

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