Smoke exhaust equipment for long-distance tunnel excavation

Abstract

The utility model belongs to the technical field of smoke exhaust, and particularly relates to smoke exhaust equipment for long-distance tunnel excavation, which comprises an arch-shaped frame, a cross beam arranged in the arch-shaped frame, a smoke exhaust pipe arranged above the cross beam, a box body arranged below the cross beam, an opening arranged at the bottom end of the box body, an exhaust fan arranged on the top wall of the box body, and an air inlet of the exhaust fan facing downwards. An air outlet of the exhaust fan is communicated with the smoke exhaust pipe through a pipeline, a filter screen is arranged below the exhaust fan, a sliding rail in the horizontal direction is arranged below the filter screen, a sliding block is slidably connected to the sliding rail, a cleaning brush is arranged at the top end of the sliding block, bristles of the cleaning brush make contact with the filter screen, a screw penetrates through the sliding block and is in threaded connection with the sliding block, and a motor is arranged on the side wall of the box body. A motor output shaft is connected with one end of the screw, and the other end is rotatably connected with the inner wall of the box body. The cleaning brush is driven by the sliding block to move left and right to clean the filter screen, the filter screen does not need to be replaced and is convenient to maintain, and the tunnel smoke exhaust efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of smoke exhaust, and in particular relates to a smoke exhaust device for long-distance tunnel excavation. Background Art

[0002] Ventilation and smoke exhaust are crucial components of tunnel construction, especially long-distance tunnel excavation. Tunnel construction environments are complex, often characterized by cramped spaces, poor air circulation, and high concentrations of hazardous gases. These issues not only impact the health and safety of construction workers but also directly impact construction efficiency and project quality. Therefore, developing efficient and reliable smoke exhaust equipment is crucial to ensuring smooth tunnel construction. Patent publication number CN 216043877U discloses a rapid ventilation and smoke exhaust device for long-distance tunnel construction, comprising an arch frame, support plates connected between the arch frames, an auxiliary component provided on one side of the support plate, a first smoke exhaust pipe provided on the auxiliary component, a connecting sleeve provided on one end of the first smoke exhaust pipe, a second smoke exhaust pipe provided on one end of the connecting sleeve, the second smoke exhaust pipe being arranged vertically, one end of the second smoke exhaust pipe being connected to a treatment box, one side of the treatment box having a smoke exhaust port, a lifting assembly provided on one side of the support plate, the lifting assembly comprising a cylinder, one side of the cylinder being fixedly connected to the support plate, a first fixed plate fixedly connected to the cylinder output end, a slider connected to one opposite side of the first fixed plate, a first fixed rod provided on one side of the first fixed plate, one end of the first fixed rod being connected to the treatment box, thereby solving the problem that the smoke exhaust port of most existing smoke exhaust devices is fixed, cannot be adjusted in height, and is inefficient during smoke exhaust. The above patent has the following problems during use: the filter plate needs to be replaced regularly during long-term use, which consumes manpower and material resources, is inconvenient to maintain, and affects smoke exhaust efficiency. Utility Model Content

[0003] Therefore, the utility model aims to solve the problem in the prior art that the filter plate needs to be replaced regularly during long-term use, which consumes manpower and material resources, is inconvenient to maintain, and affects the smoke exhaust efficiency.

[0004] To this end, the technical solution adopted is that the utility model is a smoke exhaust equipment for long-distance tunnel excavation, including: an arch frame, a cross beam is arranged in the arch frame, a smoke exhaust pipe is arranged above the cross beam, a box is arranged below the cross beam, an opening is arranged at the bottom end of the box, an exhaust fan is arranged on the top wall of the box, the air inlet of the exhaust fan is downward, the air outlet of the exhaust fan is connected to the smoke exhaust pipe through a pipe, a filter is arranged below the exhaust fan, a horizontal slide rail is arranged below the filter, a slider is slidably connected to the slide rail, a cleaning brush is arranged on the top of the slider, the bristles of the cleaning brush are in contact with the filter, the screw passes through the slider and is threadedly connected to the slider, a motor is arranged on the side wall of the box, the motor output shaft is connected to one end of the screw, and the other end of the screw is rotatably connected to the inner wall of the box.

[0005] Preferably, the outer wall of the arch frame is connected to one end of the spring, the other end of the spring is connected to one side of the limiting plate, and the other side of the limiting plate is connected to the first anchor rod.

[0006] Preferably, a base is provided at the bottom end of the arch frame, and a second anchor rod is provided at the bottom end of the base.

[0007] Preferably, the second anchor rod is provided with barbs.

[0008] Preferably, the smoke exhaust pipe is connected to the arch frame via a support rod.

[0009] Preferably, the smoke exhaust pipe is connected to the crossbeam via reinforcing ribs.

[0010] The technical solution of the utility model has the following advantages: the smoke and dust in the tunnel passes through the filter to eliminate impurities or solid particles, enters the exhaust fan air inlet and pipeline in turn, and is finally collected through the exhaust pipe and discharged to the outside of the tunnel. When the filter is used for a long time and becomes clogged, the motor is started to drive the screw to rotate. Through the threaded transmission of the screw and the slider, the slider moves back and forth along the slide rail, and the slider drives the cleaning brush to move left and right to clean the filter. The filter does not need to be replaced, maintenance is convenient, and the efficiency of tunnel smoke exhaust is improved.

[0011] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0012] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the box in the utility model;

[0016] Among them, 1. Arch frame; 2. Crossbeam; 3. Smoke exhaust pipe; 4. Box; 5. Exhaust fan; 6. Pipe; 7. Filter; 8. Slide rail; 9. Slider; 10. Cleaning brush; 11. Screw; 12. Motor; 13. Spring; 14. Limit plate; 15. First anchor rod; 16. Base; 17. Second anchor rod; 18. Barb; 19. Support rod; 20. Reinforcement rib. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] It should be noted that when a component is referred to as being “fixed to” or “disposed on” another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as being “connected to” another component, it can be directly or indirectly connected to the other component.

[0019] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0021] The utility model provides a smoke exhaust device for long-distance tunnel excavation, such as Figure 1-2 As shown, it includes: an arch frame 1, a crossbeam 2 is arranged in the arch frame 1, a smoke exhaust pipe 3 is arranged above the crossbeam 2, a box body 4 is arranged below the crossbeam 2, an opening is arranged at the bottom end of the box body 4, an exhaust fan 5 is arranged on the top wall of the box body 4, the air inlet of the exhaust fan 5 is downward, and the air outlet of the exhaust fan 5 is connected to the smoke exhaust pipe 3 through a pipe 6, a filter screen 7 is arranged below the exhaust fan 5, and a horizontal slide rail 8 is arranged below the filter screen 7, a slider 9 is slidably connected to the slide rail 8, a cleaning brush 10 is arranged on the top of the slider 9, the bristles of the cleaning brush 10 are in contact with the filter screen 7, the screw 11 passes through the slider 9 and is threadedly connected to the slider 9, a motor 12 is arranged on the side wall of the box body 4, the output shaft of the motor 12 is connected to one end of the screw 11, and the other end of the screw 11 is rotatably connected to the inner wall of the box body 4.

[0022] The outer wall of the arch 1 is connected to one end of a spring 13, the other end of which is connected to one side of a limit plate 14, and the other side of the limit plate 14 is connected to a first anchor rod 15. The first anchor rod 15 is inserted into the tunnel wall to improve the support stability of the arch 1, and the spring 13 acts as a buffer. The bottom end of the arch 1 is provided with a base 16, and the bottom end of the base 16 is provided with a second anchor rod 17. The second anchor rod 17 is inserted into the tunnel ground to fix the arch 1. The second anchor rod 17 is provided with barbs 18, which improve the grip and make the second anchor rod 17 more secure. The exhaust pipe 3 is connected to the arch 1 via a support rod 19 for fixing the exhaust pipe. The exhaust pipe 3 is connected to the crossbeam 2 via a reinforcing rib 20 to increase the support strength of the exhaust pipe.

[0023] The beneficial technical effects of the above technical solution are as follows: the smoke and dust in the tunnel passes through the filter 7 to remove impurities or solid particles, and enters the air inlet of the exhaust fan 5 and the pipe 6 in turn, and is finally collected through the smoke exhaust pipe 3 and discharged to the outside of the tunnel. When the filter 7 is used for a long time and becomes blocked, the motor 12 is started to drive the screw 11 to rotate. Through the threaded transmission of the screw 11 and the slider 9, the slider 9 moves back and forth along the slide rail 8. The slider 9 drives the cleaning brush 10 to move left and right to clean the filter 7. The filter does not need to be replaced, maintenance is convenient, and the efficiency of tunnel smoke exhaust is improved.

[0024] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A smoke exhaust device for long-distance tunnel excavation, characterized in that: include: An arch frame (1) is provided with a crossbeam (2) in the arch frame (1), a smoke exhaust pipe (3) is provided above the crossbeam (2), a box body (4) is provided below the crossbeam (2), an opening is provided at the bottom end of the box body (4), an exhaust fan (5) is provided on the top wall of the box body (4), an air inlet of the exhaust fan (5) is downward, an air outlet of the exhaust fan (5) is connected to the smoke exhaust pipe (3) through a pipe (6), a filter screen (7) is provided below the exhaust fan (5), and a filter screen (7) is provided below the filter screen (7). A horizontal slide rail (8) is provided, and a slider (9) is slidably connected to the slide rail (8). A cleaning brush (10) is provided at the top of the slider (9). The bristles of the cleaning brush (10) are in contact with the filter screen (7). A screw (11) passes through the slider (9) and is threadedly connected to the slider (9). A motor (12) is provided on the side wall of the box body (4). The output shaft of the motor (12) is connected to one end of the screw (11), and the other end of the screw (11) is rotatably connected to the inner wall of the box body (4).

2. The smoke exhaust equipment for long-distance tunnel excavation according to claim 1, characterized in that: The outer wall of the arch frame (1) is connected to one end of the spring (13), the other end of the spring (13) is connected to one side of the limiting plate (14), and the other side of the limiting plate (14) is connected to the first anchor rod (15).

3. The smoke exhaust equipment for long-distance tunnel excavation according to claim 1, characterized in that: The bottom end of the arch frame (1) is provided with a base (16), and the bottom end of the base (16) is provided with a second anchor rod (17).

4. The smoke exhaust equipment for long-distance tunnel excavation according to claim 3, characterized in that: The second anchor rod (17) is provided with a barb (18).

5. The smoke exhaust equipment for long-distance tunnel excavation according to claim 1, characterized in that: The smoke exhaust pipe (3) is connected to the arch frame (1) via a support rod (19).

6. The smoke exhaust equipment for long-distance tunnel excavation according to claim 1, characterized in that: The smoke exhaust pipe (3) is connected to the crossbeam (2) via a reinforcing rib (20).

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