A fog gun machine for tunnel construction

By integrating a base drive module and a dynamic vision module into the fog cannon, combined with rotation and displacement adjustment components, the automatic adjustment of the ventilation duct components is achieved, solving the problems of low spraying efficiency and poor safety in tunnel construction, and improving the safety and efficiency of tunnel construction.

CN116696445BActive Publication Date: 2025-12-23SICHUAN JIAOTOU CONSTR ENG CO LTD
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Patent Information

Application Number
CN202211334370.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-28
Publication Date
2025-12-23
Estimated Expiration
2042-10-28

AI Technical Summary

Technical Problem

Existing fog cannons require a lot of manual intervention in tunnel construction, and after prolonged use, their spraying efficiency is low and the risk to personnel is high. Furthermore, the spray range and direction are difficult to adjust independently.

Method used

By employing a base drive module, a dynamic vision module, a rotation adjustment component, and a displacement adjustment component, the ventilation duct component can achieve autonomous adjustment, including automatic adjustment of angle and position, reducing manual intervention.

Benefits of technology

It improves spraying efficiency and safety, reduces manpower consumption, adapts to the complex environment inside the tunnel, and ensures the safety of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of tunnel construction, in particular to a fog gun machine for tunnel construction, comprising a base, a driving module arranged at the lower part of the base, a top cover, a high-pressure water pump and a wind pipe assembly arranged at the upper part of the base, a dynamic vision module arranged around the base, a rotation adjusting assembly and a displacement adjusting assembly further arranged at the upper part of the base, the wind pipe assembly being movably connected with the rotation adjusting assembly and the displacement adjusting assembly, so as to realize self-adjustment of the wind pipe assembly in the inclination angle and the rotation direction, and the wind pipe assembly comprising at least two air pipes. The technical solution is installed with the rotation adjusting assembly and the displacement adjusting assembly, the user can control the motor and the cylinder to adjust the inclination angle and the rotation angle of the wind pipe assembly, change the orientation of the wind pipe assembly according to the actual situation inside the tunnel, and spray the fog in a targeted manner. Meanwhile, the machine control angle is more stable than the manpower, the efficiency is higher, and it is conducive to popularization and use.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction, in particular to a fog gun machine for tunnel construction. BACKGROUND

[0002] The fog gun machine is based on the principle of air delivery. First, advanced high-pressure pumps and micro-fine atomizing nozzles are used to atomize water. Then, the fan air volume and pressure are used to deliver the atomized water mist to a long distance, so that the water mist reaches a long distance and adheres to the dust in the air, causing the dust to fall. In mining operations, the fog gun machine can be used to reduce dust in the air, thereby making the working environment healthier.

[0003] The existing fog gun machine is usually composed of an upper air duct and a lower water tank. The water tank is installed with universal wheels at the bottom end, which is moved by manual pushing. However, in actual tunnel operations, the dust in the tunnel is large, the visibility is low, and there are many obstacles such as road gravel in the tunnel. The use of the fog gun machine by the staff in such an environment can cause irreversible damage to the lungs, respiratory tract and other positions of the body. In addition, the spray range and direction of the existing fog gun machine are usually manually adjusted, and the spray range or height cannot be automatically changed. This binds the fog gun machine and the staff, and the staff needs to manually control the inclination angle and steering of the air duct according to the on-site situation. Long-time manual operation not only damages the body, but also causes low adjustment efficiency due to physical fatigue after a period of time. Overall, it is more troublesome and needs to be improved. SUMMARY

[0004] In order to overcome the above technical problems, the purpose of the present application is to provide a fog gun machine for tunnel construction, which mainly solves the problem that the previous fog gun machine involves more manual work, and the spray efficiency is low and the personnel risk is high after long-term use.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] A fog gun machine for tunnel construction, comprising a base, the lower part of the base is provided with a driving module, the upper part is provided with a top cover, a high-pressure water pump and an air duct assembly, the periphery of the base is provided with a dynamic vision module, the upper part of the base is further provided with a rotation adjusting assembly and a displacement adjusting assembly, the air duct assembly is movably connected with the rotation adjusting assembly and the displacement adjusting assembly, to realize self-adjustment of the air duct assembly in the inclination angle and the rotation direction.

[0007] The air duct assembly comprises at least two air pipes, the angles of the two air pipes can be self-adaptively adjusted to expand the spray range.

[0008] Further, the air duct assembly comprises at least one main air pipe, and at least two sub-air pipes with different angle directions are movably arranged at the opening of the main air pipe.

[0009] Further in, the high-pressure water pump is connected with the air duct assembly through a water delivery pipe.

[0010] Further in, the driving module comprises a plurality of driving wheels on both sides of the base, and the driving wheels on the same side are wrapped with a track.

[0011] Further in, the rotation adjusting assembly comprises a motor arranged on the top surface of the base, an output end of the motor is connected with a driving wheel, a rotatable rotating shaft is arranged on the top surface of the base close to the motor, a driven wheel is connected with the top end of the rotating shaft, a U-shaped bracket I is connected above the driven wheel, and the front end of the main air pipe is connected with the bracket I through a rotating seat on both sides of the bracket I.

[0012] Further in, the driving wheel and the driven wheel are in meshing transmission connection, and they are matched with each other.

[0013] Further in, the top surface of the base is further provided with a gas cylinder, an output end of the gas cylinder is connected with a bracket II through the displacement adjusting assembly, and the tail end of the main air pipe is connected with the bracket II through a universal joint on both sides of the bracket II.

[0014] Further in, the displacement adjusting assembly comprises a plurality of movable blocks stacked from top to bottom, a positioning rod is connected with the top surface of the movable block, and an active groove which is movably connected with the positioning rod is arranged on the bottom surface of the movable block.

[0015] Further in, the positioning rod is in a convex structure which is wide at the top and narrow at the bottom, and the active groove is arranged along the length direction of the movable block.

[0016] Further in, the universal joint comprises a universal ball base and a universal ball, the universal ball is movably connected with the inner cavity of the universal ball base, the bottom surface of the universal ball base is connected with the bracket II, and the top end of the universal ball is connected with the ring wall of the main air pipe.

[0017] The beneficial effects of the present application are as follows:

[0018] 1. Compared with the traditional fog gun machine, the device carries a driving module and a dynamic vision module, and the user can control remotely, which eliminates the need for workers to directly enter the tunnel, ensures the safety of workers during spraying, and at the same time, the driving module is more suitable for advancing in the tunnel compared with the traditional universal wheel structure, which saves labor and improves the advancing efficiency.

[0019] 2、The technical scheme is provided with a rotating adjusting assembly and a displacement adjusting assembly, a user can control the motor and the cylinder to adjust the inclination angle and the rotation angle of the air duct assembly, change the orientation of the air duct assembly according to the actual situation inside the tunnel, spray in a targeted manner, the machine control angle is more stable than manual control, and the efficiency is higher, so that the technical scheme is beneficial to popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings.

[0021] Figure 1 is a side view of the application;

[0022] Figure 2 is a perspective view of the application;

[0023] Figure 3 is a perspective view of the air duct assembly, the rotating adjusting assembly and the displacement adjusting assembly in the application;

[0024] Figure 4 is a transverse sectional view of the displacement adjusting assembly in the application;

[0025] Figure 5 is a perspective view of the displacement adjusting assembly in the application in a use state;

[0026] Figure 6 is a rear view of the air duct assembly, the bracket two and the universal joint in the application;

[0027] Figure 7 is a sectional view of the universal joint in the application.

[0028] In the drawings: 1, base; 11, top cover; 2, driving module; 3, high-pressure water pump; 31, water delivery pipe; 4, dynamic vision module; 5, main air pipe; 51, sub air pipe; 6, rotating adjusting assembly; 61, motor; 62, driving wheel; 63, rotating shaft; 64, driven wheel; 65, bracket one; 66, rotating seat; 7, cylinder; 8, displacement adjusting assembly; 81, movable block; 82, positioning rod; 83, movable groove; 84, bracket two; 85, universal joint; 851, universal ball base; 852, universal ball. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the application will be clearly and completely described below in combination with the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0030] Embodiment one:

[0031] As Figure 1 and Figure 2 shown, a tunnel construction fog cannon machine, comprising a base 1, the lower part of the base 1 is provided with a drive module 2, the drive module 2 comprises a plurality of drive wheels on both sides of the base 1, the drive wheels on the same side are wrapped with a track outside, the upper part is provided with a top cover 11, a high-pressure water pump 3 and a wind pipe assembly, the high-pressure water pump 3 is connected with the wind pipe assembly through a water pipe 31, in addition, the periphery of the base 1 is also provided with a dynamic vision module 4, the device is also equipped with a controller, the controller is provided with a screen, the controller is connected with the processor on the base 1 through wireless connection, and then the drive module 2 and the dynamic vision module 4 are controlled, the dynamic vision module 4 comprises a three-eyed camera, which is used to help the staff outside the tunnel to monitor the dust and road conditions inside the tunnel in real time, the staff can then adjust the position of the base 1, and the wind pipe assembly can be sprayed targetedly, the efficiency of the dust and water mist is improved, and the safety of the staff is ensured.

[0032] Compared with the traditional fog cannon machine, the device carries the drive module 2 and the dynamic vision module 4, the user can control remotely, which avoids the staff to directly enter the tunnel, ensures the safety of the staff during spraying, and at the same time, the drive module 2 is more suitable for advancing in the tunnel compared with the traditional universal wheel structure, which saves labor and improves the advancing efficiency.

[0033] The wind pipe assembly at least comprises a main wind pipe 5, at least two sub-wind pipes 51 with different angles are movably arranged at the opening of the main wind pipe 5, the sub-wind pipes 51 are rotationally connected with the inner pipe wall of the main wind pipe 5 through hinges, and the angles of the plurality of sub-wind pipes 51 can be adaptively adjusted, so that the spraying range is expanded.

[0034] As Figure 3 shown, the upper part of the base 1 is also provided with a rotation adjusting assembly 6 and a displacement adjusting assembly 8, and the wind pipe assembly is movably connected with the rotation adjusting assembly 6 and the displacement adjusting assembly 8, wherein the rotation adjusting assembly 6 is used to change the overall rotation angle of the wind pipe assembly, that is, the orientation of the wind pipe assembly, and the displacement adjusting assembly 8 is used to increase or decrease the height of the wind pipe assembly, while ensuring that the displacement adjusting assembly 8 does not hinder the movement of the wind pipe assembly when the wind pipe assembly rotates, realizing self-adjustment of the wind pipe assembly in the inclination angle and the rotation direction.

[0035] As Figure 3As shown, the rotating adjusting assembly 6 comprises a motor 61 arranged on the top surface of the base 1, the output end of the motor 61 is connected with a driving wheel 62, the top surface of the base 1 is arranged with a rotatable rotating shaft 63 near the motor 61, the top end of the rotating shaft 63 is connected with a driven wheel 64, the driving wheel 62 and the driven wheel 64 are both gear structures, and are in meshing transmission connection and are matched with each other, the driven wheel 64 is connected with a bracket I 65 in the shape of a Chinese character "fang" above, the bottom surface of the bracket I 65 is connected with the driven wheel 64 through a connecting rod, the connecting rod penetrates through the top cover 11, the entire motor 61, the driving wheel 62 and the driven wheel 64 are all located in the inner cavity of the top cover 11, so as to avoid dust from entering and reduce the service life of the mechanical equipment, the two sides of the bracket I 65 are connected with the front end of the main air pipe 5 through a rotating seat 66.

[0036] When the staff controls the base 1 to move to a suitable position, the motor 61 is started, the output end of the motor 61 drives the driving wheel 62 to rotate, the driven wheel 64 meshing with the driving wheel 62 drives the bracket I 65 to rotate clockwise or counterclockwise, and then the main air pipe 5 starts to rotate to the left or to the right, so as to realize the range adjustment of the spray.

[0037] In the embodiment, the motor 61 is selected to be a brushless direct current servo motor, which is small in size, light in weight, fast in response, smooth in rotation, stable in torque, low in running temperature, small in noise and long in service life, and can be used in various environments and more quickly respond to the control of the staff.

[0038] As shown in Figure 3 and Figure 6 , the top surface of the base 1 is further arranged with a pneumatic cylinder 7, the output end of the pneumatic cylinder 7 penetrates through the top surface of the top cover 11 and is connected with a bracket II 84 through a displacement adjusting assembly 8, the two sides of the bracket II 84 are connected with the tail end of the main air pipe 5 through a universal joint 85, as shown in Figure 4 and Figure 5 , the displacement adjusting assembly 8 comprises a plurality of movable blocks 81 stacked from top to bottom, among the plurality of movable blocks 81, the top surface of the uppermost movable block 81 is fixedly connected with the bottom surface of the bracket II 84, the bottom surface of the lowermost movable block 81 is fixedly connected with the output end of the pneumatic cylinder 7, in addition, the top surface of the movable block 81 at the middle position is fixedly connected with a positioning rod 82, and the bottom surface of the movable block 81 is provided with a movable groove 83 movably connected with the positioning rod 82, in the embodiment, the positioning rod 82 is in the shape of a convex structure which is wide at the top and narrow at the bottom, and the movable groove 83 is provided along the length direction of the movable block 81, that is, the top end of the positioning rod 82 can rotate and slide in the movable groove 83.

[0039] As shown in Figure 6 and Figure 7As shown, the universal joint 85 comprises a universal ball base 851 and a universal ball 852, the universal ball 852 is movably connected with the inner cavity of the universal ball base 851, the bottom surface of the universal ball base 851 is connected with the second support 84, and the top end of the universal ball 852 is connected with the ring wall of the implemented main air pipe 5.

[0040] According to the above technical scheme, when the elevation angle or the depression angle of the main air pipe 5 needs to be adjusted, the air cylinder 7 is started, and the output end of the air cylinder 7 further drives the displacement adjusting assembly 8, the second support 84 and the main air pipe 5 to rise or fall, and when the height is appropriate, the main air pipe 5 is circularly rotated left and right under the action of the rotation adjusting assembly 6, at this time, the tail end of the main air pipe 5 drives the multiple movable blocks 81 in the displacement adjusting assembly 8 to move in an arc, and the universal ball 852 moves in the inner cavity of the universal ball base 851, thereby giving the main air pipe 5 greater activity flexibility, and with the rotation of the main air pipe 5, the multiple movable blocks 81 are unfolded in sequence from top to bottom, even if the tail end of the main air pipe 5 is not in the same linear direction as the multiple movable blocks 81, the tail end of the main air pipe 5 can still be sufficiently supported, and the main air pipe 5 can be circularly rotated left and right at the same height.

[0041] The technical scheme is installed with the rotation adjusting assembly 6 and the displacement adjusting assembly 8, the user can adjust the inclination angle and the rotation angle of the air duct assembly by controlling the motor 61 and the air cylinder 7, change the direction of the air duct assembly according to the actual situation inside the tunnel, and spray in a targeted manner, and the machine control angle is more stable and more efficient than manual control, and it is beneficial to popularization and use.

[0042] Embodiment two:

[0043] The tunnel construction fog gun machine is basically the same as embodiment one, and the difference lies in that the top surface of the top cover 11 is provided with a through hole corresponding to the position of the connecting rod and the output end of the air cylinder 7, the size of the through hole is slightly larger than that of the connecting rod and the output end of the air cylinder 7, and the gap therebetween is provided with a silica gel soft film, which can not hinder the movement of the connecting rod and the output end of the air cylinder 7, and can also avoid dust from entering and damaging the machine equipment.

[0044] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The above merely illustrates and describes the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace, as long as the modifications or supplements do not deviate from the present application or exceed the scope defined by the present application, and should belong to the protection scope of the present application.

Claims

1. A fog gun machine for tunnel construction, comprising a base (1), the lower part of the base (1) is provided with a driving module (2), the upper part is provided with a top cover (11), a high-pressure water pump (3) and a wind pipe assembly, the periphery of the base (1) is provided with a dynamic vision module (4), characterized in that, The upper part of the base (1) is further provided with a rotation adjusting assembly (6) and a displacement adjusting assembly (8), and the air duct assembly is movably connected with the rotation adjusting assembly (6) and the displacement adjusting assembly (8) respectively, so as to realize self-adjustment of the air duct assembly in the inclination angle and the rotation direction. The air duct assembly comprises at least one main air pipe (5), and at least two sub air pipes (51) with different angle directions are movably arranged at the opening of the main air pipe (5); the sub air pipe (51) is movably connected with the inner pipe wall of the main air pipe (5) through a hinge. The rotation adjusting assembly (6) comprises a motor (61) arranged on the top surface of the base (1), a driving wheel (62) connected with the output end of the motor (61), a rotating shaft (63) movably arranged on the top surface of the base (1) and close to the motor (61), a driven wheel (64) connected with the top end of the rotating shaft (63), a U-shaped bracket I (65) connected above the driven wheel (64), and the front end of the main air pipe (5) connected with the two sides of the bracket I (65) through rotating seats (66). The top surface of the base (1) is further provided with a pneumatic cylinder (7), the output end of the pneumatic cylinder (7) is connected with a bracket II (84) through the displacement adjusting assembly (8), and the tail end of the main air pipe (5) is connected with the two sides of the bracket II (84) through universal joints (85). The displacement adjusting assembly (8) comprises a plurality of movable blocks (81) stacked from top to bottom, a positioning rod (82) connected with the top surface of the movable block (81), and an active groove (83) formed in the bottom surface of the movable block (81) and movably connected with the positioning rod (82). The positioning rod (82) has a convex structure with a wide top and a narrow bottom, and the active groove (83) is formed along the length direction of the movable block (81).

2. The fog cannon of claim 1, wherein The high-pressure water pump (3) is connected with the air duct assembly through a water delivery pipe (31).

3. The fog cannon of claim 1, wherein, The driving module (2) comprises a plurality of driving wheels arranged on the two sides of the base (1), and the driving wheels on the same side are wrapped with a track.

4. The fog cannon of claim 1, wherein, The driving wheel (62) is in meshing transmission connection with the driven wheel (64), and the two are matched with each other.

5. The fog cannon of claim 1, wherein, The universal joint (85) comprises a universal ball base (851) and a universal ball (852), the universal ball (852) is movably connected with the inner cavity of the universal ball base (851), the bottom surface of the universal ball base (851) is connected with the bracket II (84), and the top end of the universal ball (852) is connected with the ring wall of the main air pipe (5).

Citation Information

Patent Citations

  • Fog gun machine

    CN110359946A

  • Three-channel flexible air pipe connecting device capable of regulating and controlling air volume

    CN216518102U