CN219139105U

CN219139105U - Ventilation device for tunnel construction

Info

Publication number: CN219139105U
Application number: CN202320027559.8U
Authority: CN
Inventors: 黄东海; 薛浩; 李磊发; 武悠; 杨建�
Original assignee: Yuqian Railway Co ltd; Fifth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Current assignee: Yuqian Railway Co ltd; Fifth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-06
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a ventilation device for tunnel construction, which comprises a bottom plate, wherein an exhaust fan and a ventilator are respectively and fixedly arranged at the top of the bottom plate, dust filtering covers are attached to the exhaust end of the exhaust fan and the ventilation end of the ventilator, motors are arranged on one sides, far away from the exhaust fan and the ventilator, of the dust filtering covers, and a rotating piece is fixedly connected to an output shaft of each motor; through the cooperation of plectane, damping pole, second spring and gyro wheel, be convenient for remove the device to can remove on uneven ground, and then when tunnel construction, can move the device to the construction site along with the tunnel is in depth under construction, when there is the dust to cover on the dust filtration cover that air exhauster and ventilation blower correspond, drive the rotation piece through the output shaft of motor and rotate, the rotation piece drives mounting panel, first spring, connecting plate and scraper blade rotate, scrape the dust of dust filtration cover through the rotation of scraper blade, guarantee the ventilation effect of air exhauster and ventilation blower.

Description

Ventilation device for tunnel construction

Technical Field

The utility model relates to the field of tunnel construction, in particular to a ventilation device for tunnel construction.

Background

The tunnel is an engineering building embedded in the stratum, is a form of utilizing underground space by human beings, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and in order to ensure that ventilation devices are arranged in the tunnel in the process of tunnel construction, so that workers in the tunnel can breathe fresh air.

The tunnel ventilation is generally divided into press-in ventilation, suction ventilation and mixed ventilation, wherein the press-in ventilation is that fresh air is directly pressed to a tunneling working face by a ventilation device through an air pipe to replace blasting fume generated after explosive blasting and is mixed with the blasting fume and then is discharged out of a tunnel, the suction ventilation is that an air suction pipe inlet of the ventilation device is close to the working face, the blasting fume is directly sucked out of the tunnel by the air pipe, the fresh air flows into and supplements the working face through a tunnel opening, the mixed ventilation is that the press-in ventilation and the suction ventilation are simultaneously used, the blasting fume stagnation area of the working face can be eliminated, the blasting fume is discharged by the air pipe, and the ventilation mode commonly used in long tunnel construction is adopted.

However, as the tunnel construction is to the depths, the ventilation unit that corresponds does not have the moving structure, and then ventilation unit removes the process and is more laborious to current ventilation unit does not have the structure to the dust screen clearance, and the dust is more in the tunnel, and is easy to adhere to on the dust screen, leads to ventilation effect to descend, consequently, to above current situation, urgent need develop a ventilation unit for tunnel construction in order to overcome the not enough in the current practical application, satisfy current demand.

Disclosure of Invention

The utility model aims to provide a ventilation device for tunnel construction, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a ventilation unit for tunnel construction, includes the bottom plate, the top of bottom plate is fixed mounting respectively has air exhauster and ventilation blower, the equal laminating of air exhauster's air exhauster end and ventilation blower has the dust filtration cover, the one side that air exhauster and ventilation blower were kept away from to the dust filtration cover all is provided with the motor, the output shaft fixedly connected with rotation piece of motor, one side that the motor was kept away from to the rotation piece sets up first spring, the equal fixed mounting in both sides of first spring has the mounting panel, one side that the mounting panel is close to the motor and one side fixed mounting of rotation piece, one side fixed mounting that the mounting panel was kept away from to the mounting panel has the connecting plate, one side fixed mounting that the mounting panel was kept away from to the scraper blade has the scraper blade, one side that the scraper blade was kept away from the mounting panel and the surface laminating of dust filtration cover, one side intercommunication of air exhauster has the straight tube, the back intercommunication of ventilation blower has the return bend, straight tube and return bend keep away from the equal intercommunication splice pipe of one end of air exhauster and ventilation blower, the four corners department of bottom plate bottom all is provided with the damping lever, the equal fixed mounting in both sides of upper and lower both sides of damping lever, the inboard and the side of damping lever is located the outside fixed mounting of second round plate, the round plate has the bottom plate, the fixed mounting of round plate has the bottom of the round plate, the round plate has the bottom of the round plate.

As a further scheme of the utility model: the front of bottom plate top and one side at bottom plate top all fixed mounting have the support, the bottom of motor and the fixed surface mounting of support.

As still further aspects of the utility model: through holes are formed in the surfaces of the exhaust fan and the ventilator, a screw rod is clamped in the inner cavity of the through hole, one side of the screw rod penetrates through the through hole and the dust filtering cover and extends to the outside to be clamped with a gasket, and a screw cap is connected to the surface of the screw rod and is positioned on one side of the gasket in a threaded mode.

As still further aspects of the utility model: the four corners of bottom plate top department all fixed mounting has the stock, the top fixed mounting of stock has the protection top.

As still further aspects of the utility model: the bottoms of the straight pipe and the bent pipe are fixedly provided with a support, and the bottoms of the support and the top of the bottom plate are fixedly arranged.

As still further aspects of the utility model: the inside fixed mounting of mounting panel has the telescopic link, the telescopic link is located the inboard of first spring.

The beneficial effects are that: through the cooperation of plectane, damping pole, second spring and gyro wheel, be convenient for remove the device to can remove on uneven ground, and then when tunnel construction, can move the device to the construction site along with the tunnel is in depth under construction, when there is the dust to cover on the dust filtration cover that air exhauster and ventilation blower correspond, drive the rotation piece through the output shaft of motor and rotate, the rotation piece drives mounting panel, first spring, connecting plate and scraper blade rotate, scrape the dust of dust filtration cover through the rotation of scraper blade, guarantee the ventilation effect of air exhauster and ventilation blower.

Support the motor through the support, increase its steadiness, will strain dirt cover and corresponding air exhauster and ventilation blower through lead screw, gasket and nut and fix, be convenient for simultaneously with its dismantlement, support the protection top through the stock, protect air exhauster and ventilation blower structure through the protection top, prevent it to damage because of being pounded by the rubble in the tunnel, support corresponding straight tube and return bend through the support, increase its steadiness, support the connecting plate through the telescopic link, play spacing fixed action.

In summary, the utility model solves the problems that the corresponding ventilation device has no moving structure along with the tunnel construction to the depth, the moving process of the ventilation device is laborious, the existing ventilation device has no structure for cleaning the dust screen, more dust in the tunnel is easy to adhere to the dust screen, and the ventilation effect is reduced.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present utility model.

Figure 2 is a partial perspective view of the structure of the base plate, blower, ventilator, etc. of the present utility model.

Fig. 3 is an enlarged view of a portion of the structure of fig. 1 a in accordance with the present utility model.

Fig. 4 is an enlarged view of a portion of the structure at B in fig. 2 in accordance with the present utility model.

In the figure: 1. a bottom plate; 2. an exhaust fan; 3. a ventilator; 4. a dust filtering cover; 5. a motor; 6. a rotating member; 7. a first spring; 8. a mounting plate; 9. a connecting plate; 10. a scraper; 11. a straight pipe; 12. bending the pipe; 13. splicing pipes; 14. a damping rod; 15. a circular plate; 16. a second spring; 17. a bracket; 18. a screw rod; 19. a screw cap; 20. a long rod; 21. a protective roof; 22. a support; 23. a telescopic rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Examples

Referring to fig. 1-4, in the embodiment of the utility model, a ventilation device for tunnel construction comprises a bottom plate 1, an exhaust fan 2 and a ventilator 3 are fixedly installed at the top of the bottom plate 1 respectively, a dust filtering cover 4 is attached to the exhaust end of the exhaust fan 2 and the ventilation end of the ventilator 3, a motor 5 is arranged on one side, far away from the exhaust fan 2 and the ventilator 3, of the dust filtering cover 4, a rotating member 6 is fixedly connected with an output shaft of the motor 5, a first spring 7 is arranged on one side, far away from the motor 5, of the rotating member 6, mounting plates 8 are fixedly installed on two sides of the first spring 7, one side, close to the motor 5, of the mounting plates 8 is fixedly installed on one side, far away from the rotating member 6, of the mounting plates 9, is fixedly installed with a scraping plate 10, one side, far away from the mounting plates 8, is attached to the surface of the dust filtering cover 4, one side, of the exhaust fan 2 is communicated with a straight pipe 11, the back surface of the ventilator 3 is communicated with an elbow 12, one end, far away from the exhaust fan 2 and the ventilator 3, is communicated with a splicing pipe 13, four corners of the bottom plate 1 is respectively provided with a damping connecting pipe 14, a circular plate 14 is fixedly installed on the bottom of the bottom plate 15, a circular plate 15 is fixedly installed on the bottom of the bottom plate is fixedly installed on the bottom plate 15, and is fixedly installed on the bottom of the bottom plate 15, and is fixedly installed on the bottom plate 15, and has a top of the damping roller 15.

The front at the top of the bottom plate 1 and one side at the top of the bottom plate 1 are fixedly provided with the support 17, the bottom of the motor 5 is fixedly provided with the surface of the support 17, and the motor 5 is supported through the support 17, so that the stability of the motor is improved.

Through holes are formed in the surfaces of the exhaust fan 2 and the ventilator 3, a screw rod 18 is clamped in an inner cavity of the through hole, one side of the screw rod 18 penetrates through the through hole and the dust filtering cover 4 and extends to the outside to be clamped with a gasket, a nut 19 is connected to the surface of the screw rod 18 and is positioned on one side of the gasket in a threaded mode, and the dust filtering cover 4 is fixed with the corresponding exhaust fan 2 and ventilator 3 through the screw rod 18, the gasket and the nut 19 and is convenient to detach.

Four corners department at bottom plate 1 top all fixed mounting has stock 20, and stock 20's top fixed mounting has protection roof 21, supports protection roof 21 through stock 20, protects air exhauster 2 and ventilation blower 3 wind structure through protection roof 21, prevents that it from damaging because of being pounded by the rubble in the tunnel.

The bottoms of the straight pipe 11 and the bent pipe 12 are fixedly provided with the support piece 22, the bottom of the support piece 22 is fixedly arranged at the top of the bottom plate 1, and the corresponding straight pipe 11 and the corresponding bent pipe 12 are supported through the support piece 22, so that the stability of the straight pipe is improved.

The telescopic rod 23 is fixedly arranged on the inner side of the mounting plate 8, the telescopic rod 23 is positioned on the inner side of the first spring 7, and the connecting plate 9 is supported through the telescopic rod 23 to play a role in limiting and fixing.

The working principle of the utility model is as follows: the ventilation device for tunnel construction is used, when the device is moved to a construction site in a tunnel, the device is convenient to move through the matching of a circular plate 15, a damping rod 14, a second spring 16 and rollers, and can move on uneven ground, further, when the device is moved to the construction site along with the deep construction of the tunnel, the rollers are locked and fixed through a locking device when the device is moved to the construction site, the device is further fixed, the device is spliced to the outside of the tunnel through the matching of a plurality of splicing pipes 13, at the moment, an exhaust fan 2 and a ventilator 3 are opened through an external controller, air in the inner cavity of the tunnel is pumped out of the tunnel along the splicing pipes 13 through the exhaust fan 2, and larger dust particles in the air are filtered through a corresponding dust filtering cover 4, prevent that it from getting into corresponding concatenation pipe 13 and causing the jam, simultaneously ventilation blower 3 carries the fresh air outside the tunnel to the construction site of tunnel depths through corresponding concatenation pipe 13, and then guarantee the circulation of air in the tunnel, when there is the dust to cover on the dust filtration cover 4 that air exhauster 2 and ventilation blower 3 correspond, open motor 5 through outer controller, the output shaft of motor 5 drives rotation piece 6 and rotates, rotation piece 6 drives mounting panel 8, first spring 7, connecting plate 9 and scraper blade 10 rotate, scrape the dust on the dust filtration cover 4 through the rotation of scraper blade 10, guarantee the ventilation effect of air exhauster 2 and ventilation effect of ventilation blower 3, make connecting plate 9 and scraper blade 10 have flexible elasticity through the elasticity characteristic of first spring 7, and then when scraper blade 10 rotates, have certain buffer power, play the guard action to scraper blade 10.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ventilation unit for tunnel construction, including bottom plate (1), its characterized in that: the utility model discloses a dust filter, which is characterized in that an exhaust fan (2) and a ventilator (3) are fixedly arranged at the top of a bottom plate (1), a dust filter cover (4) is attached to the exhaust end of the exhaust fan (2) and the ventilation end of the ventilator (3), a motor (5) is arranged on one side of the dust filter cover (4) away from the exhaust fan (2) and the ventilator (3), a rotating piece (6) is fixedly connected with an output shaft of the motor (5), a first spring (7) is arranged on one side of the rotating piece (6) away from the motor (5), mounting plates (8) are fixedly arranged on two sides of the first spring (7), one side of the mounting plates (8) close to the motor (5) and one side of the rotating piece (6) are fixedly arranged, one side of the mounting plates (8) away from the rotating piece (6) is fixedly provided with a connecting plate (9), one side of the connecting plate (9) away from the mounting plate (8) is attached to the surface of the dust filter cover (4), one side of the exhaust fan (2) is communicated with a back surface of the ventilator (12), straight tube (11) and return bend (12) keep away from air exhauster (2) and ventilation blower (3) one end all communicate splice pipe (13), the four corners department of bottom plate (1) bottom all is provided with damping rod (14), the equal fixed mounting of upper and lower both sides of damping rod (14) has plectane (15), the inboard of plectane (15) just is located damping rod (14) outside fixed mounting has second spring (16), top the top of plectane (15) and the bottom fixed mounting of bottom plate (1), the bottom of plectane (15) fixed mounting has the gyro wheel, the fixed surface of gyro wheel installs the locker.

2. The ventilation device for tunnel construction according to claim 1, wherein: the front of bottom plate (1) top and one side at bottom plate (1) top are all fixed mounting have support (17), the bottom of motor (5) and the fixed mounting of surface of support (17).

3. The ventilation device for tunnel construction according to claim 1, wherein: through holes are formed in the surfaces of the exhaust fan (2) and the ventilator (3), a screw rod (18) is clamped in the inner cavity of the through hole, one side of the screw rod (18) penetrates through the through hole and the dust filtering cover (4) and extends to the outside to be clamped with a gasket, and a screw cap (19) is connected to the surface of the screw rod (18) and is positioned on one side of the gasket in a threaded mode.

4. The ventilation device for tunnel construction according to claim 1, wherein: the four corners of the top of the bottom plate (1) are fixedly provided with long rods (20), and the tops of the long rods (20) are fixedly provided with protection tops (21).

5. The ventilation device for tunnel construction according to claim 1, wherein: the bottoms of the straight pipe (11) and the bent pipe (12) are fixedly provided with a support piece (22), and the bottoms of the support pieces (22) are fixedly arranged at the top of the bottom plate (1).

6. The ventilation device for tunnel construction according to claim 1, wherein: the inner side of the mounting plate (8) is fixedly provided with a telescopic rod (23), and the telescopic rod (23) is positioned at the inner side of the first spring (7).