Intelligent snow blowing protection system for traffic tunnel in cold and cold mountainous area

Abstract

The utility model discloses an intelligent wind-blown snow protection system for a traffic tunnel in a cold and cold mountainous area, which comprises a snow protection shed and a wind deflector group used for adjusting a wind-blown snow angle, the snow protection shed is arranged at a tunnel portal, and the wind deflector group is arranged on a mountain body at the top of the tunnel; by adjusting the angle and the inclination angle of the guide plate, wind blown snow blown to the mountain body at the top of the tunnel can fall to the side away from the mountain body at the top of the tunnel and the tunnel portal again along the guide of the guide plate, and the risk of wind blown snow disasters in the construction and operation stages of the tunnel in the cold and cold mountainous area is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind and snow protection for tunnels, and in particular relates to an intelligent wind and snow protection system for traffic tunnels in high-altitude mountainous areas. Background Art

[0002] The starting point of some key sections of the second phase of the China-Tajikistan Highway project is located in the Kalehom District and the end point is located at the border of the Rushan District. It is rebuilt and expanded along the existing China-Tajikistan Highway. The topography of the tunnel site is alpine, with the tunnel body crossing the mountain ridge. The overall terrain is high in the middle and low at both ends. The ground elevation is between 1300 and 2220m, the terrain is uneven, the entrance and exit of the tunnel are steep, with a slope of more than 40°, and the tunnel with the largest burial depth is about 880m. The tunnel site area is special - plateau, severe cold, snowy, short effective construction time, fragile ecology, it starts snowing in October in the tunnel site area, and it does not last until April or May of the following year. The tunnel suffers serious snow damage and the effective construction time is short. Among them, during the construction and operation of the tunnel, the tunnel entrance mainly has the following safety issues:

[0003] (1) During the construction process, the tunnel was located in a high-altitude mountainous area with poor construction conditions and a short construction period;

[0004] (2) Tunnel entrances and exits are prone to snow accumulation due to wind and snow, which can cause serious disasters;

[0005] (3) Due to the influence of altitude and climate, snowfall is frequent in tunnels in high-altitude mountainous areas, and wind speed and direction often change;

[0006] In summary, tunnels in high-altitude and cold mountainous areas face serious wind and snow disasters during the construction and operation stages, and the existing protective measures cannot effectively prevent and control the disasters caused by wind and snow in high-altitude and cold mountainous areas. Utility Model Content

[0007] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an intelligent wind and snow protection system and protection method for traffic tunnels in high-altitude mountainous areas. The protection system designed by the utility model is reasonably designed, has low construction difficulty, is easy to use and operate, and has significant effects. It can simultaneously solve the impact of wind and snow disasters at the entrances of traffic tunnels in high-altitude mountainous areas and the problems faced in construction and maintenance.

[0008] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0009] The utility model provides an intelligent wind and snow protection system for traffic tunnels in high-altitude and cold mountainous areas, comprising a snow shelter and a wind deflector group for adjusting the angle of wind and snow. The snow shelter is arranged at the tunnel entrance, and the wind deflector group is arranged on the mountain at the top of the tunnel.

[0010] Preferably, the wind guide plate group includes a plurality of wind guide components spaced apart on the mountain at the top of the tunnel, each wind guide component includes a fixing mechanism, an angle adjustment mechanism, a wind guide plate, a solar panel and a monitoring sensing unit, the angle adjustment mechanism is arranged above the fixing mechanism, the wind guide plate is connected to the angle adjustment mechanism, and the solar panel is electrically connected to the angle adjustment mechanism and the monitoring sensing unit respectively.

[0011] Preferably, the fixing mechanism includes a first fixing component and a second fixing component, and the angle adjustment mechanism is connected to the top of the first fixing component and the second fixing component respectively.

[0012] Preferably, the angle adjustment mechanism includes a rotation adjustment mechanism, a sliding rotation adjustment mechanism, a first height adjustment component and a second height adjustment component. The rotation adjustment mechanism and the sliding rotation adjustment mechanism are respectively arranged on the top of the first fixed component and the second fixed component. The bottoms of the first height adjustment component and the second height adjustment component are respectively connected to the rotation adjustment mechanism and the sliding rotation adjustment mechanism. The top of the first height adjustment component is connected to the bottom of the wind guide plate, and the second height adjustment component is connected to the wind guide plate through a connecting member.

[0013] Preferably, the rotation adjustment mechanism includes a first mounting seat and a first U-shaped connecting seat, the first mounting seat is arranged at the top of the first fixing component, the first U-shaped connecting seat is rotatably connected to the top of the first mounting seat, and the bottom of the first height adjustment component is rotatably connected to the first U-shaped connecting seat.

[0014] Preferably, the sliding and rotating adjustment mechanism includes a second mounting seat, a second U-shaped connecting seat, a sliding seat and a sliding groove. The second mounting seat is arranged at the top of the second fixed component, the sliding groove is opened at the top of the second mounting seat, the sliding seat is slidingly connected to the sliding groove, the second U-shaped connecting seat is rotatably connected to the top of the sliding seat, and the bottom of the second height adjustment component is rotatably connected to the second U-shaped connecting seat.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The intelligent protection system for wind and snow disasters in traffic tunnels in high-altitude mountainous areas provided by the utility model has a reasonable structural design, low construction difficulty, and is easy to install, disassemble, and maintain. Specifically, the protection system structure of the utility model adopts a triangular structure, which has good stability, and uses hydraulic control, which has good safety. The windshield can be controlled without using cumbersome and complex structures, which further improves safety. The system also has a small number of parts, which facilitates construction and reduces the resources required for installation and maintenance.

[0017] 2. The utility model is easy to operate and has a flexible control method. It can control and adjust the angle of the wind guide plate group according to the angle of the blowing snow, so that the wind-blown snow blown onto the mountain at the top of the tunnel can be guided by the guide plates and fall back to the side away from the mountain at the top of the tunnel and the tunnel entrance, thereby reducing the risk of wind-blown snow disasters during the construction and operation stages of tunnels in high-altitude mountainous areas;

[0018] 3. The utility model has good use effect and strong practicality, has certain stability and safety, and can power the system itself through solar panels, so it is less restricted by the external geographical environment; and the angle of the wind guide plate can be adjusted, which effectively solves the problem that the wind direction and wind speed in the snowy weather in the high-altitude mountainous areas are very easy to change, and can better prevent the impact of wind and snow disasters on the tunnel entrance, greatly improving the safety of tunnel driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Reference diagram of the intelligent wind and snow protection system for traffic tunnels in high-altitude mountainous areas provided in Example 1 of the present utility model;

[0020] Figure 2 This is a schematic structural diagram of the air guide assembly in Example 1 of the present utility model;

[0021] Figure 3 This is a structural diagram of the rotation adjustment mechanism in Example 1 of the present utility model;

[0022] Figure 4 Schematic diagram of the structure of the bearing in the rotation adjustment mechanism in Example 1 of the present utility model;

[0023] Figure 5 This is a structural diagram of the sliding and rotating adjustment mechanism in Example 1 of the present utility model;

[0024] Figure 6 Schematic diagram of the connection between the air guide plate and the connecting piece;

[0025] Figure 7 Schematic diagram of the first height adjustment assembly and the second height adjustment assembly in Example 1 of the present utility model;

[0026] In the figure: 1—snow shelter; 2—wind deflector group; 3—wind deflector; 4—solar panel; 5—connector; 6—second height adjustment assembly; 7—sliding and rotating adjustment mechanism; 71—second mounting seat; 72—sliding seat; 73—sliding groove; 74—second U-shaped connecting seat; 8—rotational adjustment mechanism; 81—first mounting seat; 82—first U-shaped connecting seat; 83—bearing; 9—first height adjustment assembly; 10—monitoring sensing unit; 11—first fixing assembly; 12—second fixing assembly. DETAILED DESCRIPTION

[0027] The following is a combination of the embodiments of the present invention Figures 1 to 7 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0028] like Figures 1 to 7 As shown, an embodiment of the utility model provides an intelligent protection system for wind and snow in traffic tunnels in high-altitude mountainous areas, specifically including a snow shed 1 and a wind deflector group 2 for adjusting the angle of wind and snow. The snow shed 1 is arranged at the tunnel entrance, specifically the snow shed 1 is arranged at the outward extension of the tunnel entrance; the wind deflector group 2 is arranged on the mountain at the top of the tunnel.

[0029] The wind guide plate group 2 includes a plurality of wind guide components arranged at intervals on the mountain at the top of the tunnel. The plurality of wind guide components in the embodiment of the present invention are specifically arranged on the mountain at the top of the tunnel according to the numerical simulation results of Ansys Fluent software. Each wind guide component includes a fixing mechanism, an angle adjustment mechanism, a wind guide plate 3, a solar panel 4 and a monitoring sensing unit 10. The monitoring sensing unit 10 in the embodiment of the present invention adopts an FT-WQX2S wind speed sensor; the angle adjustment mechanism is arranged above the fixing mechanism, the wind guide plate 3 is connected to the angle adjustment mechanism, and the solar panel 4 is electrically connected to the angle adjustment mechanism and the monitoring sensing unit 10 respectively. The wind guide plate 3 in the embodiment of the present invention is specifically made of steel plate. The solar panel 4 supplies energy to the first height adjustment component 9 and the second height adjustment component 6 and the monitoring sensing unit 10 in the embodiment of the present invention. The monitoring sensing unit 10 is used to monitor wind speed and wind direction. In the embodiment of the present invention, a battery is arranged inside the first mounting seat 81, and the battery is electrically connected to the solar panel, the hydraulic rod and the monitoring sensing unit.

[0030] Specifically, the fixing mechanism in the embodiment of the present invention includes a first fixing component 11 and a second fixing component 12, and the angle adjustment mechanism is respectively connected to the top of the first fixing component 11 and the second fixing component 12. In the specific design, the first fixing component 11 and the second fixing component 12 in the embodiment of the present invention are preferably steel pipe piles, and the bottoms of the first fixing component 11 and the second fixing component 12 are both inverted cone structures. Through the design of such a structure, the first fixing component 11 and the second fixing component 12 can be easily inserted and fixed inside the mountain, and by setting them as steel pipe piles, the stability of their fixed support can be improved.

[0031] Specifically, the angle adjustment mechanism in the embodiment of the present invention includes a rotation adjustment mechanism 8, a sliding rotation adjustment mechanism 7, a first height adjustment component 9 and a second height adjustment component 6. The rotation adjustment mechanism 8 and the sliding rotation adjustment mechanism 7 are respectively arranged on the top of the first fixed component 11 and the second fixed component 12, and the bottoms of the first height adjustment component 9 and the second height adjustment component 6 are respectively connected to the rotation adjustment mechanism 8 and the sliding rotation adjustment mechanism 7. The top of the first height adjustment component 9 is connected to the bottom of the wind deflector 3, and the second height adjustment component 6 is connected to the wind deflector 3 through a connecting member 5. In the embodiment of the present invention, the top of the first height adjustment component 9 is welded to the bottom of the wind deflector 3. The connecting member 5 is specifically two plug-ins, which are adjacently arranged on the side opposite to the side of the wind deflector 3 where the solar panel 4 is provided. The top of the second height adjustment component 6 is inserted between the two plug-ins, and the second height adjustment component 6 is rotatably connected to the connecting member 5 through a pin. In the embodiment of the present invention, in order to achieve intelligent control, the first height adjustment component 9 and the second height adjustment component 6 are preferably hydraulic rods. In actual design, other electric lifting rods, such as electric push rods, can also be selected.

[0032] Specifically, the rotation adjustment mechanism 8 in the embodiment of the present invention includes a first mounting seat 81 and a first U-shaped connecting seat 82. The first mounting seat 81 is arranged at the top of the first fixed component 11, and the first U-shaped connecting seat 82 is rotatably connected to the top of the first mounting seat 81. The bottom of the first height adjustment component 9 is rotatably connected to the first U-shaped connecting seat 82. In the specific design, the first mounting seat 81 in the embodiment of the present invention is welded and arranged on the top of the first fixed component 11. The first U-shaped connecting seat 82 is rotatably connected to the top of the first mounting seat 81 through a bearing 83, and the bottom of the first height adjustment component 9 is rotatably connected to the first U-shaped connecting seat 82 through a pin.

[0033] Specifically, the sliding and rotating adjustment mechanism 7 in the embodiment of the present invention includes a second mounting seat 71, a second U-shaped connecting seat 74, a sliding seat 72 and a sliding groove 73. The second mounting seat 71 is arranged on the top of the second fixed component 12, and the sliding groove 73 is opened on the top of the second mounting seat 71. The sliding seat 72 is slidably connected to the sliding groove 73, and the second U-shaped connecting seat 74 is rotatably connected to the top of the sliding seat 72. The bottom of the second height adjustment component 6 is rotatably connected to the second U-shaped connecting seat 74. In the specific design, the second mounting seat 7 in the embodiment of the present invention is welded and arranged on the top of the second fixed component 12. The sliding seat 72 and the sliding groove 73 is connected by sliding the slider. The sliding connection design of the sliding seat 72 and the sliding groove 73 can ensure that the angle of the wind guide plate 3 can be adjusted by adjusting the length of the first height adjustment component 9 and the second height adjustment component 6. In order to achieve the stable sliding function of the sliding seat 72 and the sliding groove 73, the sliding groove can be further set as a sliding groove of an inverted T-shaped structure, and the slider is matched to be a slider of an inverted T-shaped structure. In this way, the slider is limited by the sliding groove, which can prevent the slider from separating from the sliding groove 73 during the sliding process of the sliding groove 73. The second U-shaped connecting seat 74 is rotatably connected to the top of the sliding seat 72 through a bearing.

[0034] When the wind and snow intelligent protection system for traffic tunnels in high-cold mountainous areas provided by the embodiment of the present invention is used, the snowproof shed 1 is first arranged at the outward extension of the tunnel entrance, and a plurality of wind guide components are arranged at intervals on the mountain at the top of the tunnel. When each wind guide component is installed, the first fixing component 11 and the second fixing component 12 are respectively inserted and fixed inside the mountain. Then, the monitoring sensing unit 10 monitors the wind speed and wind direction at the top of the tunnel. According to the monitored wind speed and wind direction, the first height adjustment component 9 and the second height adjustment component 6 (two hydraulic rods in this embodiment) are respectively started to adjust the lengths of the first height adjustment component 9 and the second height adjustment component 6. The wind deflector 3 can be adjusted to suit the wind speed and direction. The second U-shaped connecting seat 74 is rotated on the top of the sliding seat 72 and the first U-shaped connecting seat 82 is rotated on the top of the first mounting seat 81, thereby driving the first height adjustment assembly 9 and the second height adjustment assembly 6 to rotate synchronously, so that the wind deflector 3 is also rotated, so that the inclination angle of the wind deflector can also be adjusted according to the wind speed and direction, so that the wind-blown snow blown onto the mountain at the top of the tunnel can follow the guidance of the guide plate and fall back to the side away from the mountain at the top of the tunnel and the tunnel entrance, thereby reducing the risk of wind-blown snow disasters encountered during the construction and operation of tunnels in high-altitude mountainous areas.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An intelligent protection system for wind and snow in traffic tunnels in high-altitude mountainous areas, characterized by: It comprises a snow shed (1) and a wind deflector group (2) for adjusting the angle of windblown snow, wherein the snow shed (1) is arranged at the tunnel entrance, and the wind deflector group (2) is arranged on the mountain at the top of the tunnel; The wind deflector group (2) comprises a plurality of wind deflector assemblies arranged at intervals on the mountain at the top of the tunnel, each wind deflector assembly comprising a fixing mechanism, an angle adjustment mechanism, a wind deflector (3), a solar panel (4) and a monitoring sensing unit (10), the angle adjustment mechanism being arranged above the fixing mechanism, the wind deflector (3) being connected to the angle adjustment mechanism, and the solar panel (4) being electrically connected to the angle adjustment mechanism and the monitoring sensing unit (10), respectively.

2. The intelligent snow protection system for traffic tunnels in high-altitude mountainous areas according to claim 1 is characterized in that: The fixing mechanism comprises a first fixing component (11) and a second fixing component (12), and the angle adjustment mechanism is connected to the top of the first fixing component (11) and the top of the second fixing component (12), respectively.

3. The intelligent snow protection system for traffic tunnels in high-altitude mountainous areas according to claim 2 is characterized in that: The angle adjustment mechanism comprises a rotation adjustment mechanism (8), a sliding rotation adjustment mechanism (7), a first height adjustment component (9) and a second height adjustment component (6); the rotation adjustment mechanism (8) and the sliding rotation adjustment mechanism (7) are respectively arranged on the top of the first fixed component (11) and the second fixed component (12); the bottoms of the first height adjustment component (9) and the second height adjustment component (6) are respectively connected to the rotation adjustment mechanism (8) and the sliding rotation adjustment mechanism (7); the top of the first height adjustment component (9) is connected to the bottom of the wind deflector (3); and the second height adjustment component (6) is connected to the wind deflector (3) through a connecting member (5).

4. The intelligent snow protection system for traffic tunnels in high-altitude mountainous areas as claimed in claim 3 is characterized in that: The rotation adjustment mechanism (8) comprises a first mounting seat (81) and a first U-shaped connecting seat (82), wherein the first mounting seat (81) is arranged on the top of the first fixing component (11), the first U-shaped connecting seat (82) is rotatably connected to the top of the first mounting seat (81), and the bottom of the first height adjustment component (9) is rotatably connected to the first U-shaped connecting seat (82).

5. The intelligent snow protection system for traffic tunnels in high-altitude mountainous areas as claimed in claim 3 is characterized in that: The sliding rotation adjustment mechanism (7) comprises a second mounting seat (71), a second U-shaped connecting seat (74), a sliding seat (72) and a sliding groove (73), wherein the second mounting seat (71) is arranged on the top of the second fixed component (12), the sliding groove (73) is opened on the top of the second mounting seat (71), the sliding seat (72) is slidably connected to the sliding groove (73), the second U-shaped connecting seat (74) is rotatably connected to the top of the sliding seat (72), and the bottom of the second height adjustment component (6) is rotatably connected to the second U-shaped connecting seat (74).

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