Ventilation system for tunnel engineering

Abstract

The utility model discloses a ventilation system for tunnel engineering, which belongs to the technical field of tunnel ventilation, aims at solving the problems that the ventilation position is difficult to adjust and the protection effect of a ventilation device is poor, and comprises a shell and two brackets which are symmetrically distributed and fixed on the side wall of the inner side of the shell, a bearing plate is fixed to the side walls of one sides of the two supports, a driving motor is fixed to the side wall of the top end of the bearing plate, and turbine blades are fixed to one end of an output shaft of the driving motor; through the arrangement of the lifting assembly, the shell can be driven to ascend and descend, so that the position of the device in a tunnel is conveniently adjusted, then the ventilation position is conveniently adjusted, the device has the specific advantages of being flexible and convenient to adjust, the ventilation position can be adjusted according to the specific application environment, the application range is wide, and the structural reliability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel ventilation, and particularly relates to a ventilation system for tunnel engineering. Background Technique

[0002] For extra-long highway tunnels, the quality of the ventilation scheme is not only related to the construction progress of the tunnel, but also directly affects the physical health of the operating personnel, which is the key to controlling the economic cost of project construction. Due to the different degrees of pollution in each process such as tunnel excavation drilling, blasting, mucking, and shotcreting, the ventilation volume and ventilation difficulty gradually increase as the tunnel extends. Especially when the tunnel in the uphill direction discharges polluted air outward, the difficulty is more obvious, and the design of the ventilation volume should be dynamic. A reasonable ventilation scheme is of great significance for reducing the dust content and the concentration of toxic and harmful gases in the tunnel operation area and ensuring the smooth and safe progress of construction.

[0003] Comparative patent document with publication number: "CN220539666U, a ventilation mechanism for tunnel engineering, includes a ventilation box. An electric motor is arranged inside the ventilation box, and a fan is installed at one end of the electric motor. The top end of the ventilation box is communicated with a ventilation pipe, and the top end of the ventilation pipe is fixedly connected with a falling-rock prevention box. Ventilation slits are formed on the side of the falling-rock prevention box, and a rain-proof eaves is fixedly connected to the top end of the ventilation slits. One side of the ventilation box is electrically connected with a ventilation control component, and a clamping block is fixedly connected to the other side of the ventilation box. A drain pipe is arranged inside the clamping block, an atomizer is installed at one end of the drain pipe, and the other end of the atomizer is communicated with a rainwater collection box; the utility model is convenient for the automatic control device to ventilate the tunnel, and can prevent crushed stones and the like from entering the pipeline, and is convenient for collecting rainwater to improve the air quality in the air." However, in actual use, the following problems still exist: Due to the existing ventilation devices in the tunnel, the protection of the brittle outer shell of the ventilation device has a poor protection effect, which is easy to cause damage to the device, and it is difficult to adjust the ventilation position of the ventilation device in the tunnel, and it cannot meet the ventilation work requirements in the tunnel.

[0004] Therefore, a ventilation system for tunnel engineering is needed to solve the problems of difficult adjustment of ventilation position and poor protection effect of ventilation devices in the prior art. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a ventilation system for tunnel engineering to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A ventilation system for tunnel engineering, including a housing, and further including

[0007] Two brackets, the two brackets are symmetrically distributed and fixed on the inner side wall of the housing. A bearing plate is fixedly connected to the side walls of one sides of the two brackets. A driving motor is fixedly connected to the top side wall of the bearing plate. One end of the output shaft of the driving motor is fixedly connected with a turbine fan blade;

[0008] An installation box is arranged directly above the housing, and a lifting component adapted to the housing is arranged inside the installation box;

[0009] A protective housing is fixedly connected to the outer side wall of the housing, and a protection component adapted to the housing is arranged on one side of the protective housing.

[0010] It should be noted in the solution that the lifting component includes

[0011] Multiple connecting plates, the multiple connecting plates are symmetrically distributed and fixed on one side wall of the protective housing. The connecting plates are slidably connected to one side wall of the installation box, and a toothed groove is formed on one side wall of the connecting plates;

[0012] Multiple through grooves, the multiple through grooves are symmetrically distributed and formed on one side wall of the installation box. Two symmetrically distributed shafts are rotatably connected to the inner side wall of the installation box. A spur gear is tightly sleeved on the outer surface of the shaft, and the spur gear is located inside the through groove;

[0013] Two stepping motors, the two stepping motors are symmetrically distributed and fixed on one side wall of the installation box. One end of the output shaft of the stepping motor is coaxially fixed to one end of the shaft, and the spur gear is meshed with the toothed groove.

[0014] It is further worth noting that the protection component includes

[0015] A protective cover is arranged on one side of the protective housing. Multiple buffer rubber pads are fixedly connected to one side wall of the protective housing. One sides of the multiple buffer rubber pads are fixedly connected to one side wall of the protective cover. Multiple springs are fixedly connected to one side wall of the protective cover, and the other ends of the springs are fixedly connected to one side wall of the protective housing.

[0016] It is even further necessary to note that a limiting plate is fixedly connected to one side wall of the connecting plate, and the limiting plate is slidably connected to the inside of the through groove.

[0017] As a preferred implementation manner, the central axis of the protective cover is collinear with the central axis of the protective housing, and the projected area value of the protective cover is greater than the projected area value of the protective housing.

[0018] As a preferred embodiment, a plurality of mounting sleeves distributed in a circumferential manner are fixed on the outer side wall of the housing. Two grid plates are arranged on one side of the housing. A limiting rod slidably penetrates through the inside of the mounting sleeve. One ends of the plurality of limiting rods are commonly fixed with a connecting ring. An installation ring is tightly sleeved on the outer surface of the limiting rod. One side of the installation ring is in contact with one side of the grid plate.

[0019] Compared with the prior art, a ventilation system for tunnel engineering provided by the present utility model has at least the following beneficial effects:

[0020] (1) Through the arrangement of the lifting assembly, the housing can be driven to move up and down, thereby facilitating the adjustment of the position of the device in the tunnel, and then facilitating the adjustment of the ventilation position. It has the advantages of flexible and convenient adjustment. Moreover, the ventilation position can be adjusted according to the specific application environment, with a strong scope of application and strong structural reliability.

[0021] (2) Through the arrangement of the protection assembly, it plays a role in protecting the housing, thereby avoiding the damage of the internal components of the housing caused by bumping. It has a good protection effect on the mechanical components in the housing, and further improves the service life of the device. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0023] Figure 2 It is a schematic side view structure of the present utility model;

[0024] Figure 3 It is an exploded schematic diagram of the present utility model;

[0025] Figure 4 It is a schematic side sectional structure of the housing of the present utility model;

[0026] Figure 5 It is a schematic side sectional structure of the installation box of the present utility model;

[0027] Figure 6 It is a schematic structure diagram of the connecting plate of the present utility model;

[0028] Figure 7 It is a schematic structure diagram of the protective cover of the present utility model.

[0029] In the figure: 1. Housing; 2. Bracket; 3. Carrier plate; 4. Driving motor; 5. Turbine fan blade; 6. Installation box; 7. Lifting assembly; 71. Connecting plate; 72. Tooth-shaped groove; 73. Through groove; 74. Shaft body; 75. Straight gear; 76. Stepper motor; 8. Protective housing; 9. Protection assembly; 91. Protective cover; 92. Buffer rubber pad; 93. Spring; 10. Limiting plate; 11. Installation sleeve; 12. Grid plate; 13. Limiting rod; 14. Connecting ring; 15. Installation ring. Specific embodiments

[0030] The present utility model will be further described below in conjunction with embodiments.

[0031] Please refer to Figure 1-7 , the present utility model provides a ventilation system for tunnel engineering, including a housing 1, and further including two brackets 2, the two brackets 2 are symmetrically distributed and fixed on the inner side wall of the housing 1, a carrier plate 3 is fixedly connected to the side wall of one side of the two brackets 2, a driving motor 4 is fixedly connected to the side wall of the top end of the carrier plate 3, and one end of the output shaft of the driving motor 4 is fixedly connected with a turbine fan blade 5; an installation box 6, the installation box 6 is arranged directly above the housing 1, and a lifting assembly 7 adapted to the housing 1 is arranged inside the installation box 6; a protective housing 8, the protective housing 8 is fixedly connected to the outer side wall of the housing 1, and a protection assembly 9 adapted to the housing 1 is arranged on one side of the protective housing 8.

[0032] Furthermore, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7 , it is specifically noted that the lifting assembly 7 includes multiple connecting plates 71, the multiple connecting plates 71 are symmetrically distributed and fixed on the side wall of one side of the protective housing 8, the connecting plates 71 are slidably connected to the side wall of one side of the installation box 6, and a tooth-shaped groove 72 is formed on the side wall of one side of the connecting plates 71; multiple through grooves 73, the multiple through grooves 73 are symmetrically distributed and formed on the side wall of one side of the installation box 6, two symmetrically distributed shaft bodies 74 are rotatably connected to the inner side wall of the installation box 6, a straight gear 75 is tightly sleeved on the outer surface of the shaft body 74, and the straight gear 75 is located inside the through groove 73; two stepper motors 76, the two stepper motors 76 are symmetrically distributed and fixed on the side wall of one side of the installation box 6, one end of the output shaft of the stepper motor 76 is coaxially fixed to one end of the shaft body 74, and the straight gear 75 is meshed with the tooth-shaped groove 72.

[0033] It should be noted that through the setting of the lifting assembly 7, the housing 1 can be driven to move up and down, so as to conveniently adjust the position of the device in the tunnel, and then facilitate the adjustment of the ventilation position. It has the advantages of flexible and convenient adjustment, and can adjust the ventilation position according to the specific application environment, with a strong scope of application and strong structural reliability. The rotation directions of the two stepper motors 76 are opposite to each other for operation.

[0034] Further, as shown in Figure 1 , Figure 2 and Figure 7 it is worth specifically stating that the protection component 9 includes a protective cover 91. The protective cover 91 is arranged on one side of the protective housing 8. A plurality of buffer rubber pads 92 are fixed on one side wall of the protective housing 8. One side of the plurality of buffer rubber pads 92 is fixed to one side wall of the protective cover 91. A plurality of springs 93 are fixed on one side wall of the protective cover 91. The other end of the spring 93 is fixed to one side wall of the protective housing 8;

[0035] It should be noted that through the setting of the protection component 9, it plays a role in protecting the housing 1, thereby avoiding the damage of the internal components of the housing 1 caused by bumps. It has a good protection effect on the mechanical components in the housing 1, and further improves the service life of the device.

[0036] The working process of this solution is as follows: When technicians use this device, through the drive of the drive motor 4, the turbine fan blade 5 is driven to operate, thereby accelerating the air flow speed. When the air intake position needs to be adjusted, through the drive of the stepper motor 76, the shaft body 74 rotates synchronously, driving the spur gear 75 to rotate synchronously. Using the meshing transmission between the spur gear 75 and the tooth-shaped groove 72, the connecting plate 71 moves downward after being stressed, thereby driving the housing 1 to move downward synchronously, achieving the purpose of adjusting the air intake position, and cooperating with the settings of the spring 93 and the buffer rubber pads 92, and then protecting the protective housing 8 and the housing 1.

[0037] According to the above working process, it can be seen that through the setting of the lifting component 7, the housing 1 can be driven to move up and down, thereby facilitating the adjustment of the position of this device in the tunnel, and then facilitating the adjustment of the ventilation position. It has the advantages of being specifically flexible and convenient to adjust, and can adjust the ventilation position according to the specific application environment, with a strong scope of application, and the structure has strong reliability. And through the setting of the protection component 9, it plays a role in protecting the housing 1, thereby avoiding the damage of the internal components of the housing 1 caused by bumps. It has a good protection effect on the mechanical components in the housing 1, and further improves the service life of the device.

[0038] Further, as shown in Figure 1 and Figure 6 it is worth specifically stating that a limiting plate 10 is fixed on one side wall of the connecting plate 71. The limiting plate 10 is slidably connected to the inside of the through groove 73;

[0039] It should be noted that through the setting of the limiting plate 10, it plays a role in limiting the connecting plate 71, preventing the situation that the connecting plate 71 moves too far and is disconnected from the spur gear 75.

[0040] Further, as shown in Figure 1 andFigure 2 As shown, it is worth specifically stating that the central axis of the protective cover 91 is collinear with the central axis of the protective housing 8, and the projected area value of the protective cover 91 is greater than the projected area value of the protective housing 8.

[0041] Furthermore, as shown in Figure 2 and Figure 3 As shown, it is worth specifically stating that a plurality of mounting sleeves 11 distributed in a circle are fixed on the outer side wall of the housing 1. Two grid plates 12 are arranged on one side of the housing 1. A limiting rod 13 slidably penetrates through the inside of the mounting sleeve 11. One ends of the plurality of limiting rods 13 are commonly fixed with a connecting ring 14. A mounting ring 15 is tightly sleeved on the outer surface of the limiting rod 13. One side of the mounting ring 15 is in contact with one side of the grid plate 12;

[0042] It should be noted that by setting the material of the mounting ring 15 as a soft material, the stability of the grid plate 12 during use can be ensured, thereby preventing the grid plate 12 from shaking. Moreover, the disassembly and assembly of the grid plate 12 can be quickly completed in a short time, which has good practicability for the staff and the disassembly and assembly work efficiency is relatively high.

[0043] In summary: Through the setting of the limiting plate 10, the limiting effect on the connecting plate 71 is achieved, preventing the situation that the connecting plate 71 moves too far and is disconnected from the spur gear 75. And by setting the material of the mounting ring 15 as a soft material, the stability of the grid plate 12 during use can be ensured, thereby preventing the grid plate 12 from shaking. Moreover, the disassembly and assembly of the grid plate 12 can be quickly completed in a short time, which has good practicability for the staff and the disassembly and assembly work efficiency is relatively high.

[0044] Both the drive motor 4 and the stepper motor 76 can be purchased on the market. The drive motor 4 and the stepper motor 76 are both equipped with power supplies, which are mature technologies in this field and have been fully disclosed, so they are not repeated in the specification.

Claims

1. A ventilation system for tunnel engineering, comprising a housing (1), characterized in that, It further includes two brackets (2). The two brackets (2) are symmetrically distributed and fixed to the inner side wall of the housing (1). A bearing plate (3) is fixedly connected to the side walls of one side of the two brackets (2). A drive motor (4) is fixedly connected to the top side wall of the bearing plate (3). One end of the output shaft of the drive motor (4) is fixedly connected with a turbine fan blade (5). An installation box (6) is arranged directly above the housing (1). A lifting assembly (7) adapted to the housing (1) is arranged inside the installation box (6). A protective housing (8) is fixed to the outer side wall of the housing (1). A protection assembly (9) adapted to the housing (1) is arranged on one side of the protective housing (8).

2. The ventilation system for tunnel engineering according to claim 1, characterized in that: The lifting assembly (7) includes Multiple connecting plates (71). The multiple connecting plates (71) are symmetrically distributed and fixed to the side wall of one side of the protective housing (8). The connecting plates (71) are slidably connected to the side wall of one side of the installation box (6). A toothed groove (72) is formed in the side wall of one side of the connecting plates (71). Multiple through grooves (73). The multiple through grooves (73) are symmetrically distributed and formed in the side wall of one side of the installation box (6). Two symmetrically distributed shafts (74) are rotatably connected to the inner side wall of the installation box (6). A spur gear (75) is tightly sleeved on the outer surface of the shaft (74). The spur gear (75) is located inside the through groove (73). Two stepper motors (76). The two stepper motors (76) are symmetrically distributed and fixed to the side wall of one side of the installation box (6). One end of the output shaft of the stepper motor (76) is coaxially fixed to one end of the shaft (74). The spur gear (75) is meshed with the toothed groove (72).

3. The ventilation system for tunnel engineering according to claim 2, wherein: The protection assembly (9) includes A protective cover (91). The protective cover (91) is arranged on one side of the protective housing (8). A plurality of buffer rubber pads (92) are fixed to the side wall of one side of the protective housing (8). One side of the plurality of buffer rubber pads (92) is fixed to the side wall of one side of the protective cover (91). A plurality of springs (93) are fixed to the side wall of one side of the protective cover (91). The other end of the spring (93) is fixed to the side wall of one side of the protective housing (8).

4. The ventilation system for tunnel engineering according to claim 3, wherein: A limiting plate (10) is fixed to the side wall of one side of the connecting plate (71). The limiting plate (10) is slidably connected to the inside of the through groove (73).

5. The ventilation system for tunnel engineering according to claim 4, characterized in that: The central axis of the protective cover (91) is collinear with the central axis of the protective housing (8). The projected area value of the protective cover (91) is greater than the projected area value of the protective housing (8).

6. The ventilation system for tunnel engineering according to claim 5, characterized in that: A plurality of mounting sleeves (11) distributed in a circular pattern are fixed to the outer side wall of the housing (1). Two grid plates (12) are arranged on one side of the housing (1). A limiting rod (13) slidably penetrates through the inside of the mounting sleeve (11). One ends of the plurality of limiting rods (13) are jointly fixed with a connecting ring (14). A mounting ring (15) is tightly sleeved on the outer surface of the limiting rod (13). One side of the mounting ring (15) is in contact with one side of the grid plate (12).

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