CN211975024U

CN211975024U - Tunnel construction ventilation volume direction distributor box

Info

Publication number: CN211975024U
Application number: CN202020319224.XU
Authority: CN
Inventors: 姚志军; 安浩; 郑旺儒; 季方; 安哲; 坑玮; 祝兴甲
Original assignee: Fourth Engineering Co Ltd Of China Raiway First Group; China Railway First Engineering Group Co Ltd
Current assignee: Fourth Engineering Co Ltd Of China Raiway First Group; China Railway First Engineering Group Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-20
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a tunnel construction ventilation amount of wind direction distributor box that belongs to tunnel construction air volume control technical field, including the distributor box body, the one end of distributor box body is the air intake, and the other end of distributor box body symmetry respectively is equipped with first air outlet and second air outlet, and the inside first air outlet of distributor box body is connected with the break plate with the rotation of the partition department of second air outlet, and the below of distributor box body is connected with and is used for driving break plate pivoted drive assembly. The distribution box is characterized in that a distribution plate is rotatably connected to a separation position of a first air outlet and a second air outlet in the distribution box body, and the angle of the distribution plate can be adjusted through a driving assembly according to actual needs, so that the air output of the first air outlet and the air output of the second air outlet are different, and the air output distribution is realized; the two side surfaces of the distributing plate are both in inclined surface structures, and the intersected edges of the two inclined surfaces face the direction of the air inlet.

Description

Tunnel construction ventilation volume direction distributor box

Technical Field

The utility model belongs to the technical field of tunnel construction air volume control, concretely relates to tunnel construction ventilation amount of wind direction distributor box.

Background

In the tunnel construction process, in order to provide fresh air into the tunnel, dilute the concentration of harmful smoke dust and reduce the environmental temperature in the tunnel, a high-power fan is required to supply air to a tunneling working surface through a pipeline, which is called as construction ventilation. Tunnel construction often adopts auxiliary passageways such as inclined shaft, cross cut to increase the working face of main tunnel tunnelling, utilizes one set of pipeline to provide ventilation for two working faces simultaneously, the ventilation mode of dragging two for short.

When the tunnel is ventilated, the tunnel is divided into two basic forms of reinforced ventilation and continuous ventilation, and during the working procedures of blasting, mucking, concrete spraying and the like, the working surface is seriously polluted and the air is deteriorated, and the reinforced ventilation with large air volume is needed to dilute the concentration of harmful gas and dust in the tunnel in time and improve the air quality condition of a working area; in other working procedures, because no pollution is produced, continuous ventilation with small air volume is adopted to meet the requirements of constructors on fresh air. The strengthening ventilation needs double-fan air supply, but the time is short, and the continuous ventilation only needs single-fan air supply, but the air supply time is long.

However, in the prior art, when one working surface needs continuous ventilation and the other working surface needs forced ventilation, the air quantity of the continuous ventilation working surface is wasted, the air quantity of the forced ventilation working surface is insufficient, the forced ventilation time is prolonged, the normal connection of the working procedures is affected, and the energy consumption and the construction period are wasted.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a tunnel construction ventilation amount of wind direction distributor box has the characteristics that can the rational distribution amount of wind.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tunnel construction ventilation volume direction distributor box, includes the distributor box body, and the one end of distributor box body is the air intake, and the other end of distributor box body symmetry respectively is equipped with first air outlet and second air outlet, and the inside first air outlet of distributor box body is connected with the break plate with the partition department rotation of second air outlet, and the below of distributor box body is connected with and is used for driving the drive assembly of break plate pivoted.

As the preferred technical scheme of the utility model, two sides of break plate are the inclined plane structure.

As the utility model discloses a preferred technical scheme, the break plate rotates with the distributor box body through the pivot to be connected.

As the utility model discloses an optimal technical scheme, drive assembly includes speed reducer and servo motor, and speed reducer and servo motor all connect in the below of distributor box body, and the output and the pivot of speed reducer are connected, and servo motor's output is connected with the input of speed reducer.

As the utility model discloses an optimal technical scheme, the air intake department of distributor box body is connected with fan group.

As the utility model discloses a preferred technical scheme, the fan group includes fan mount pad, first fan and second fan, and wherein, first fan and second fan set up the inside at the fan mount pad side by side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the partition department of first air outlet and second air outlet rotates inside the distributor box body and is connected with the distributing plate, can adjust the angle of distributing plate through drive assembly according to actual need to can make the air output of first air outlet and second air outlet different, realize the distribution of the amount of wind;

2. the utility model discloses two sides of break plate are the inclined plane structure, and the crossing limit in two inclined planes is facing to the direction of air intake, and this design can reduce the windage of break plate as far as possible, reduces the loss of wind.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the distributing plate of the present invention after adjusting the air volume;

FIG. 3 is a schematic structural view of the present invention connected to a fan unit;

FIG. 4 is a schematic sectional view taken along the line A-A in FIG. 1 according to the present invention;

in the figure: 1. a distributor box body; 2. an air inlet; 3. a distribution plate; 4. a first air outlet; 5. a second air outlet; 6. a fan unit; 61. a fan mounting base; 62. a first fan; 63. a second fan; 7. a rotating shaft; 8. a drive assembly; 81. a speed reducer; 82. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a tunnel construction ventilation volume direction distributor box, includes distributor box body 1, and the one end of distributor box body 1 is air intake 2, and the other end of distributor box body 1 symmetry respectively is equipped with first air outlet 4 and second air outlet 5, and the department of separating of 1 inside first air outlet 4 of distributor box body and second air outlet 5 rotates and is connected with break plate 3, and the below of distributor box body 1 is connected with and is used for driving 3 pivoted drive assembly 8 of break plate.

Specifically, both side surfaces of the distribution plate 3 are of a slope structure.

By adopting the technical scheme, the crossed edges of the two inclined planes face the direction of the air inlet 2, and the design can reduce the wind resistance of the distribution plate 3 as much as possible and reduce the wind loss.

Specifically, the distributing plate 3 is rotatably connected to the distributing box body 1 through a rotating shaft 7.

Through adopting above-mentioned technical scheme, the both ends of pivot 7 are passed through the bearing and are rotated with distributor box body 1 and be connected.

Specifically, drive assembly 8 includes speed reducer 81 and servo motor 82, and speed reducer 81 and servo motor 82 all connect in the below of distributor box body 1, and the output of speed reducer 81 is connected with pivot 7, and servo motor 82's output is connected with the input of speed reducer 81.

Through adopting above-mentioned technical scheme, provide power through servo motor 82, slow down through speed reducer 81 to drive the break plate 3 and rotate, adjust the amount of wind of two air outlets, thereby realize the distribution of the amount of wind.

Specifically, the air inlet 2 of the distribution box body 1 is connected with a fan set 6, the fan set 6 comprises a fan mounting seat 61, a first fan 62 and a second fan 63, wherein the first fan 62 and the second fan 63 are arranged inside the fan mounting seat 61 in parallel.

Through adopting above-mentioned technical scheme, send air through first fan 62 and second fan 63.

To sum up, the distribution box of the present invention has the distribution plate 3 rotatably connected to the separation position of the first air outlet 4 and the second air outlet 5 inside the distribution box body 1, and the angle of the distribution plate 3 can be adjusted by the driving component 8 according to actual needs, so that the air output of the first air outlet 4 and the air output of the second air outlet 5 are different, and the air output distribution is realized; the utility model discloses two sides of break plate 3 are the inclined plane structure, and the crossing limit in two inclined planes is facing to the direction of air intake 2, and this design can reduce the windage of break plate 3 as far as possible, reduces the loss of wind.

Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tunnel construction ventilation volume direction distributor box, includes distributor box body (1), its characterized in that: the distribution box is characterized in that one end of the distribution box body (1) is an air inlet (2), the other end of the distribution box body (1) is symmetrically provided with a first air outlet (4) and a second air outlet (5) respectively, a distribution plate (3) is rotatably connected to the separation position of the first air outlet (4) and the second air outlet (5) in the distribution box body (1), and a driving assembly (8) used for driving the distribution plate (3) to rotate is connected to the lower portion of the distribution box body (1).

2. The tunnel construction ventilation air volume guiding distribution box of claim 1, characterized in that: two side surfaces of the distribution plate (3) are both of an inclined surface structure.

3. The tunnel construction ventilation air volume guiding distribution box of claim 2, characterized in that: the distribution plate (3) is rotatably connected with the distribution box body (1) through a rotating shaft (7).

4. The tunnel construction ventilation air volume guiding distribution box of claim 3, characterized in that: drive assembly (8) are including speed reducer (81) and servo motor (82), and speed reducer (81) and servo motor (82) are all connected in the below of distributor box body (1), and the output and pivot (7) of speed reducer (81) are connected, and the output of servo motor (82) is connected with the input of speed reducer (81).

5. The tunnel construction ventilation air volume guide distribution box of claim 4, characterized in that: the air inlet (2) of the distribution box body (1) is connected with a fan set (6).

6. The tunnel construction ventilation air volume guide distribution box of claim 5, characterized in that: the fan set (6) comprises a fan mounting seat (61), a first fan (62) and a second fan (63), wherein the first fan (62) and the second fan (63) are arranged in the fan mounting seat (61) in parallel.