CN220815725U

CN220815725U - Tunnel construction ventilation assembled air door

Info

Publication number: CN220815725U
Application number: CN202322790129.4U
Authority: CN
Inventors: 赵永祥; 裴宏宇; 章振文; 朱荣辉; 任正刚; 王知远
Original assignee: Cccc First Highway Bureau Bazhou Transportation Construction Co ltd; CCCC First Highway Engineering Co Ltd
Current assignee: Cccc First Highway Bureau Bazhou Transportation Construction Co ltd; CCCC First Highway Engineering Co Ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-04-19
Anticipated expiration: 2033-10-18

Abstract

The utility model relates to the technical field of tunnel construction ventilation and discloses a tunnel construction ventilation assembled air door which comprises a fourth air door splicing block, wherein a fourth sliding groove is formed in the lower end of the fourth air door splicing block, a fourth sliding block is connected inside the fourth sliding groove in a sliding mode, and a third air door splicing block is fixedly connected to the lower end of the fourth sliding block. According to the utility model, when the air door is used, the plurality of air door splicing blocks are in sliding connection, so that the plurality of air door splicing blocks can be quickly installed and detached, when dust, pollutants and other impurities are accumulated on the surface of the air door, the air door is conveniently cleaned in a tunnel, the smoothness of a ventilation system is ensured, the radiation and the spreading of the pollutants can be reduced, and meanwhile, when part of air door splicing parts are damaged, workers in the tunnel are conveniently replaced and maintained for damaged air door parts or the whole air door, so that the maintenance efficiency and the maintenance quality are effectively improved.

Description

Tunnel construction ventilation assembled air door

Technical Field

The utility model relates to the technical field of ventilation in tunnel construction, in particular to a ventilation assembly type air door for tunnel construction.

Background

During tunnel construction, in order to discharge a large amount of dust and toxic gas generated in the tunnel, press-in ventilation is often adopted, namely, an axial flow fan is matched with an air pipe to convey clean air outside the tunnel to a tunnel face, air pressure at the tunnel face rises, then air flow from inside to outside is formed in the tunnel, and the flowing air flow discharges polluted air from the tunnel opening. In order to ensure that the air flow in the tunnel flows along a preset path, air doors are required to be arranged in certain auxiliary channels (such as a driving channel communicated with a tunnel positive hole and a pedestrian channel) which do not need ventilation, so that temporary passing of people and vehicles is met while the air flow is prevented.

In the prior art, most of the air doors are inconvenient to detach due to the air door structure, so that cleaning and maintenance are more difficult, and the air doors are likely to be accumulated by dust, pollutants and other impurities in the construction process of a tunnel, so that the air doors are difficult to thoroughly clean, and the efficiency and the normal operation of a ventilation system are affected.

Accordingly, a ventilation assembly type damper for tunnel construction is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a ventilation assembly type air door for tunnel construction, which is characterized in that when in use, a plurality of air door splicing blocks are arranged to be in sliding connection, so that the air door splicing blocks can be quickly installed and disassembled, when dust, pollutants and other impurities are accumulated on the surface of the air door, the air door is conveniently cleaned inside a tunnel, the smoothness of a ventilation system is ensured, the radiation and the spreading of the pollutants can be reduced, and meanwhile, when part of air door splicing parts are damaged, workers in the tunnel are conveniently replaced and maintained for damaged air door parts or whole air door, so that the maintenance efficiency and the maintenance quality are effectively improved.

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

The utility model provides a tunnel construction ventilation assembled air door, includes fourth air door splice piece, the fourth spout has been seted up to the lower extreme of fourth air door splice piece, the inside sliding connection of fourth spout has a fourth slider, the lower extreme fixedly connected with third air door splice piece of fourth slider, the third spout has been seted up to the lower extreme of third air door splice piece, the inside sliding connection of third spout has a third slider, the lower extreme fixedly connected with second air door splice piece of third slider, the second spout has been seted up to the lower extreme of second air door splice piece, the inside both sides sliding connection of second spout has a second slider, two the lower extreme of second slider is all fixedly connected with first air door splice piece, the inside middle part sliding connection of second spout has the door frame, the upper end and the lower end of one side end face of the door frame are respectively connected with steel doors through hinges in a rotating way, the upper ends of the inner parts of the two steel doors are respectively provided with an observation window, the two inner sides of the third air door splicing block are respectively provided with a vent, the inner parts of the two vents are respectively provided with a fan, the two inner sides of the two vents are respectively provided with a filter screen, the two sides of the lower end of one side end face of the third air door splicing block are respectively provided with a multi-gas detector and a suspension dust detector, one side, close to the multi-gas detector, of the third air door splicing block is provided with a controller, the upper ends of the fourth air door splicing block are respectively provided with an air bag, and the two side end faces of the third air door splicing block and the second air door splicing block are respectively provided with an air bag;

Through above-mentioned technical scheme, this air door carries out sliding connection through a plurality of air door splice pieces that set up when using for a plurality of air door splice pieces can carry out quick installation and dismantlement, when dust, pollutant and other impurity's accumulation appear on its air door surface, make things convenient for inside the tunnel to clean the air door, guarantee ventilation system's unblock, and can reduce the radiation and the spreading of pollutant, simultaneously when its partial air door splice piece appears damaging, make things convenient for the interior workman of tunnel to change the impaired air door part of maintenance or whole air door, thereby effectively improve maintenance efficiency and maintenance quality.

Further, third springs are uniformly arranged in the fourth sliding block at intervals, third convex blocks are fixedly connected to the upper ends of the third springs, third grooves are uniformly arranged on one side end face of the fourth sliding groove at intervals, and the third grooves are in clamping connection with the third convex blocks;

Through above-mentioned technical scheme, through the combination that uses third spring, third lug, third recess, can strengthen the stability and the durability of the door body, reduce because long-term use and lead to not hard up and damage to extension door's life.

Further, second springs are uniformly arranged in the third sliding block at intervals, second convex blocks are fixedly connected to the upper ends of the second springs, second grooves are uniformly arranged on one side end face of the third sliding groove at intervals, and the second grooves are in clamping connection with the second convex blocks;

Through above-mentioned technical scheme, through the combination that uses second spring, second lug, second recess, can strengthen the stability and the durability of the door body, reduce because long-term use and lead to not hard up and damage to extension door's life.

Further, first springs are arranged on two inner sides of the two second sliding blocks, first convex blocks are fixedly connected to the upper ends of the first springs, two first grooves are formed on two sides of one side end face of the second sliding groove, and the first grooves are in clamping connection with the first convex blocks;

Through above-mentioned technical scheme, through the combination that uses first spring, first lug, first recess, can strengthen the stability and the durability of the door body, reduce because long-term use and lead to not hard up and damage to extension door's life.

Further, first sliding grooves are formed in one side end face of each of the two first air door splicing blocks, first sliding blocks are fixedly connected to two side end faces of the door frame, and the two first sliding blocks are in sliding connection with the first sliding grooves;

Through above-mentioned technical scheme, the design of using first spout and first slider can increase the bearing capacity and the stability of the door body effectively for the steel door can not empty because of rocking.

Further, handles are fixedly connected to one side of the middle of one side end face of each of the two steel doors, and anti-skid patterns are formed on one side end face of each of the two handles;

Through the technical scheme, the handle enables people to easily open and close the door by using the force, and the operability of the door is improved.

Further, a storage battery is arranged in the middle of the inside of the third air door splicing block, and the storage battery is electrically connected with the controller, the multi-gas detector and the suspended dust detector;

through above-mentioned technical scheme, through with equipment electric connection such as battery and many gas detectors and suspension dust detector, just can conveniently monitor gas concentration and suspension dust content in the air in real time, this can in time discover and handle the pollution source, guarantees air quality.

Further, one side of one side end face of each of the plurality of air bags is provided with an air injection port, and the upper ends of the plurality of air injection ports are connected with an end cover in a threaded manner;

Through above-mentioned technical scheme, through the gas injection mouth, can conveniently pour into gas into the gasbag to enrich the gasbag and increase its internal pressure, the end cover of setting up simultaneously can be with its seal.

The utility model has the following beneficial effects:

1. Compared with the existing air door, the air door is in sliding connection through the plurality of air door splicing blocks, so that the air door splicing blocks can be quickly installed and detached, the air door is conveniently cleaned in the tunnel when dust, pollutants and other impurities are accumulated on the surface of the air door, the smoothness of a ventilation system is ensured, the radiation and spreading of the pollutants can be reduced, and meanwhile, workers in the tunnel are conveniently replaced and maintained for damaged air door parts or whole air doors when part of air door splicing parts are damaged, so that the maintenance efficiency and the maintenance quality are effectively improved.

2. Compared with the existing air door, the air door is used for inflating the air bag, so that the air bag can be tightly attached to the surface of a tunnel, gaps between the air door and the wall of the tunnel can be effectively reduced, invalid air flow is prevented, ventilation efficiency is improved, and meanwhile construction safety is improved.

3. Compared with the existing air door, the air door provided by the utility model has the advantages that dust and toxic gas in the tunnel are detected by the arranged multi-gas detector and the suspended dust detector when the air door is used, and when the concentration of the dust and toxic gas is too high, the air quantity and the negative pressure of the ventilation system can be enhanced by arranging the exhaust fan, the ventilation efficiency is improved, the oxygen content in the tunnel is sufficient, and the working environment of workers is more comfortable and safer.

Drawings

FIG. 1 is an isometric view of a ventilation assembly type damper for tunnel construction in accordance with the present utility model;

FIG. 2 is a front sectional view of a ventilation assembly type damper for tunnel construction according to the present utility model;

FIG. 3 is a side sectional view of a ventilation assembly type damper for tunnel construction according to the present utility model;

FIG. 4 is a rear view of a ventilation assembly type damper for tunnel construction in accordance with the present utility model;

FIG. 5 is an enlarged view of FIG. 2 at A;

fig. 6 is an enlarged view at B in fig. 3.

Legend description:

1. A first damper splice; 2. a second damper splice; 3. a third damper splice; 4. a fourth damper splice; 5. an air bag; 6. an air injection port; 7. an end cap; 8. a vent; 9. a filter screen; 10. a fan; 11. a steel door; 12. an observation window; 13. a hinge; 14. a door frame; 15. a handle; 16. anti-skid lines; 17. a first chute; 18. a first slider; 19. a storage battery; 20. a controller; 21. a multi-gas detector; 22. a suspended dust detector; 23. a first spring; 24. a first bump; 25. a first groove; 26. a second slider; 27. a second chute; 28. a third slider; 29. a third chute; 30. a second spring; 31. a second bump; 32. a second groove; 33. a fourth slider; 34. a fourth chute; 35. a third spring; 36. a third bump; 37. and a third groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a tunnel construction ventilation assembled air door, including fourth air door splice piece 4, fourth spout 34 has been seted up to the lower extreme of fourth air door splice piece 4, the inside sliding connection of fourth spout 34 has fourth slider 33, the lower extreme fixedly connected with third air door splice piece 3 of fourth slider 33, third spout 29 has been seted up to the lower extreme of third air door splice piece 3, the inside sliding connection of third spout 29 has third slider 28, the lower extreme fixedly connected with second air door splice piece 2 of third slider 28, the second spout 27 has been seted up to the lower extreme of second air door splice piece 2, the inside both sides sliding connection of second spout 27 has second slider 26, the lower extreme of two second sliders 26 all fixedly connected with first air door splice piece 1, the inside middle part sliding connection of second spout 27 has door frame 14, the both sides upper and lower extreme of one side terminal surface of door frame 14 all is connected with steel door 11 through hinge 13 rotation, the inner upper ends of the two steel doors 11 are provided with observation windows 12, the two inner sides of the third air door splicing block 3 are provided with ventilation openings 8, the two inner sides of the two ventilation openings 8 are provided with fans 10, the two inner sides of the two ventilation openings 8 are provided with filter screens 9, the two sides of the lower end of one side end face of the third air door splicing block 3 are provided with a multi-gas detector 21 and a suspended dust detector 22, one side of the third air door splicing block 3 close to the multi-gas detector 21 is provided with a controller 20, the upper end of the fourth air door splicing block 4 is provided with an air bag 5, the two side end faces of the third air door splicing block 3 and the second air door splicing block 2 are provided with air bags 5, one side end faces of the two first air door splicing blocks 1 are provided with air bags 5, and when the air door is used, the air door splicing blocks are in sliding connection through the plurality of the arranged air door splicing blocks, so that the air door splicing blocks can be quickly installed and detached, when dust, pollutant and other impurity appear on its air door surface gather, make things convenient for the tunnel inside to clean the air door to guarantee ventilation system's unblocked to can reduce the radiation and the spread of pollutant, when its partial air door splice appears damaging simultaneously, make things convenient for the interior workman of tunnel to change the impaired air door part of maintenance or whole air door, thereby effectively improve maintenance efficiency and maintenance quality.

The third springs 35 are uniformly arranged in the fourth sliding block 33 at intervals, the third convex blocks 36 are fixedly connected to the upper ends of the third springs 35, the third grooves 37 are uniformly arranged on one side end face of the fourth sliding groove 34 at intervals, the third grooves 37 are in clamping connection with the third convex blocks 36, the stability and durability of the door body can be enhanced by using the combination of the third springs 35, the third convex blocks 36 and the third grooves 37, the looseness and damage caused by long-term use can be reduced, the service life of the door can be prolonged, the second springs 30 are uniformly arranged in the third sliding block 28 at intervals, the second convex blocks 31 are fixedly connected to the upper ends of the second springs 30, the second grooves 32 are uniformly arranged on one side end face of the third sliding groove 29 at intervals, the second grooves 32 are in clamping connection with the second convex blocks 31, the combination of the second springs 30, the second convex blocks 31 and the second grooves 32 is used, the stability and durability of the door body can be enhanced, looseness and damage caused by long-term use are reduced, thereby prolonging the service life of the door, the first springs 23 are arranged on two sides of the inside of the two second sliding blocks 26, the first convex blocks 24 are fixedly connected with the upper ends of the first springs 23, the two first grooves 25 are arranged on two sides of one side end surface of the second sliding groove 27, the first grooves 25 are respectively clamped and connected with the first convex blocks 24, the stability and durability of the door body can be enhanced by using the combination of the first springs 23, the first convex blocks 24 and the first grooves 25, the looseness and damage caused by long-term use are reduced, thereby prolonging the service life of the door, the first sliding grooves 17 are respectively arranged on one side end surfaces of the two first air door splicing blocks 1, the first sliding blocks 18 are respectively fixedly connected with the two side end surfaces of the door frame 14, the two first sliding blocks 18 are respectively connected with the first sliding grooves 17 in a sliding way, the design of using first spout 17 and first slider 18 can increase the bearing capacity and the stability of the door body effectively for steel door 11 can not empty because of rocking, the equal fixedly connected with handle 15 in one side terminal surface middle part one side of two steel doors 11, this can in time discover and handle the pollution source, air quality is guaranteed to the one side terminal surface one side of a plurality of gasbags 5 all offer gas injection port 6, the upper end of a plurality of gas injection port 6 all screw thread connection has end cover 7, through annotating 6, can conveniently pour into and fill into to the gas 5, the equal electric connection of gas in the inside middle part of third air door splice 3 is provided with battery 19, battery 19 and controller 20, many gas detector 21, suspension dust detector 22, through equipment electric connection such as battery 19 and many gas detector 21 and suspension dust detector 22, just can conveniently monitor gas concentration and suspension dust content in the air, this can in time discover and handle the pollution source, air quality is guaranteed, gas injection port 6 has all been offered to one side terminal surface one side of a plurality of gasbags 5, the upper end of gas injection port 6 all screw thread connection has end cover 7, through annotating 6, can conveniently be to the gasbag 5, and its inside is sealed to the end cover 7 is filled to the gasbag 5.

Working principle: this air door carries out sliding connection through a plurality of air door splice pieces that set up when using for a plurality of air door splice pieces can carry out quick installation, after its installation is accomplished, aerify its gasbag 5 inside, make the gasbag 5 hug closely in the tunnel surface, can reduce the space between air door and the tunnel wall effectively, prevent invalid air current, improve ventilation efficiency, simultaneously also can increase construction safety, when dust appears on its air door surface, pollutant and other impurity gather, carry out quick dismantlement through sliding connection to its a plurality of air door splice pieces, make things convenient for inside the tunnel to clean the air door, guarantee ventilation system's unblock, and can reduce the radiation and the spreading of pollutant, simultaneously when its partial air door splice piece appears damaging, make things convenient for the interior workman of tunnel to change the impaired air door part of maintenance or whole air door, thereby effectively improve maintenance efficiency and maintenance quality, when its air door uses, through the inside dust and the toxic gas of the multi-gas detector 21 of setting up and suspension dust detector 22 detection tunnel, when its concentration is too high, can be through setting up reinforcing fan 10, can the negative pressure, make the inside ventilation environment more comfortable and the ventilation system is more abundant.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a tunnel construction ventilation assembled air door, includes fourth air door splice piece (4), its characterized in that: the utility model discloses a novel air door, including fourth air door splicing block (4), second air door splicing block (2) are offered to the lower extreme of fourth air door splicing block (4), the inside sliding connection of fourth air door splicing block (34) has fourth slider (33), the lower extreme fixedly connected with third air door splicing block (3) of fourth slider (33), third spout (29) are offered to the lower extreme of third air door splicing block (3), the inside sliding connection of third spout (29) has third slider (28), the lower extreme fixedly connected with second air door splicing block (2), second spout (27) are offered to the lower extreme of second air door splicing block (2), the inside both sides sliding connection of second spout (27) has second slider (26), two the lower extreme of second slider (26) all fixedly connected with first air door splicing block (1), the inside sliding connection in middle part of second spout (27) has door frame (14), the terminal surface upper and lower extreme of one side of door frame (14) all rotates hinge (13) through the door window (11) of hinge (11), two inside ventilation openings (8) are all offered to the inside ventilation opening (8), two inside both sides of vent (8) all are provided with filter screen (9), one side terminal surface lower extreme both sides of third air door splice piece (3) all are provided with many gaseous detectors (21) and suspension dust detector (22), one side that third air door splice piece (3) are close to many gaseous detectors (21) is provided with controller (20), the upper end of fourth air door splice piece (4) is provided with gasbag (5), both sides terminal surface of third air door splice piece (3) and second air door splice piece (2) all are provided with gasbag (5), two one side terminal surface of first air door splice piece (1) all is provided with gasbag (5).

2. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: third springs (35) are uniformly arranged in the fourth sliding block (33) at intervals, third convex blocks (36) are fixedly connected to the upper ends of the third springs (35), third grooves (37) are uniformly arranged on one side end face of the fourth sliding groove (34) at intervals, and the third grooves (37) are connected with the third convex blocks (36) in a clamping mode.

3. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: the inside of third slider (28) is evenly spaced and is provided with second spring (30), and a plurality of the upper end of second spring (30) is all fixedly connected with second lug (31), the even spaced apart second recess (32) that is equipped with of one side terminal surface of third spout (29), a plurality of second recess (32) all are connected with second lug (31) block.

4. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: two inside both sides of second slider (26) all are provided with first spring (23), a plurality of the upper end of first spring (23) is all fixedly connected with first lug (24), two first recess (25) have all been seted up to one side terminal surface both sides of second spout (27), a plurality of first recess (25) all are connected with first lug (24) block.

5. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: the two first sliding grooves (17) are formed in one side end face of the first air door splicing block (1), first sliding blocks (18) are fixedly connected to two side end faces of the door frame (14), and the two first sliding blocks (18) are slidably connected with the first sliding grooves (17).

6. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: handles (15) are fixedly connected to one side of the middle of one side end face of each steel door (11), and anti-skidding patterns (16) are formed in one side end face of each handle (15).

7. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein: the middle part in the interior of the third air door splicing block (3) is provided with a storage battery (19), and the storage battery (19) is electrically connected with a controller (20), a multi-gas detector (21) and a suspended dust detector (22).

8. The ventilation assembly type ventilation door for tunnel construction according to claim 1, wherein:

and one side of the end face of one side of each air bag (5) is provided with an air injection port (6), and the upper ends of the air injection ports (6) are connected with end covers (7) in a threaded manner.