CN214997769U - Tunnel ventilates and uses entrance to a cave air supply arrangement - Google Patents

Abstract

The utility model discloses an entrance to a cave air supply arrangement for tunnel ventilation relates to entrance to a cave air supply field, including the trunk line, the week side of trunk line is provided with a plurality of auxiliary conduit, auxiliary conduit's both ends are linked together with the trunk line respectively, the week side intercommunication at auxiliary conduit middle part has the hose of giving vent to anger, the week side that auxiliary conduit is close to the trunk line both ends all is provided with closing means, closing means includes two first closing plate, the second closing plate of mutually supporting, first closing plate, second closing plate all are semi-circular platelike structure, first closing plate, second closing plate all set up between auxiliary conduit's inner wall, the inner wall fixed connection of second closing plate and auxiliary conduit, first closing plate rotates with auxiliary conduit's inner wall to be connected. This tunnel ventilation is with entrance to a cave air supply arrangement has realized the convenient closing of not constructing regional auxiliary pipeline.

Description

Tunnel ventilates and uses entrance to a cave air supply arrangement

Technical Field

The utility model relates to an entrance to a cave air supply field specifically is an entrance to a cave air supply arrangement for tunnel ventilation.

Background

The ventilation in the tunnel construction is used for conveying enough fresh air from the outside of the tunnel to the inside of the tunnel and discharging blast smoke and harmful gas generated by blasting and transportation in the tunnel so as to finally ensure the requirements of operators and machinery in the tunnel on the fresh air and ensure that the air in the tunnel reaches the standards specified by the state and the industry. The ventilation effect in the construction of the long and large tunnel directly influences the progress of the engineering and the health of the operating personnel, the current tunnel construction ventilation at home and abroad mostly adopts a pipeline press-in type ventilation mode, an axial flow fan is arranged outside a tunnel opening, the axial flow fan sends fresh air into the tunnel through a ventilation pipeline connected with the axial flow fan, namely a flexible air pipe, and the ventilation pipeline is communicated with an air outlet pipeline, so that the fresh air is uniformly sent into the whole tunnel, and the air quality in the tunnel construction is ensured;

however, the power of the axial flow fan is fixed, and as the tunnel construction is carried out, after the length of the tunnel is lengthened, the ventilation pipeline is also lengthened, the number of the air outlet pipelines is also increased, and the air outlet efficiency of a single air outlet pipeline is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tunnel ventilation is with entrance to a cave air supply arrangement solves the problem that the air-out efficiency of single air-out pipeline reduces that the power of knowing how things stand and feel confident and axial fan is fixed, along with going on of tunnel construction, tunnel length extension back, air pipe also extends thereupon, and the quantity of air-out pipeline also increases thereupon for single air-out pipeline.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including the trunk line, the week side of trunk line is provided with a plurality of auxiliary conduit, the both ends of auxiliary conduit are linked together with the trunk line respectively, week side intercommunication at auxiliary conduit middle part has the hose of giving vent to anger, week side that auxiliary conduit is close to the trunk line both ends all is provided with closing device, closing device includes two first closing plate, the second closing plate of mutually supporting, first closing plate, second closing plate all are semi-circular platelike structure, first closing plate, second closing plate all set up between the inner wall of auxiliary conduit, the inner wall fixed connection of second closing plate and auxiliary conduit, first closing plate rotates with the inner wall of auxiliary conduit and is connected.

Preferably, two sliding grooves communicated with the inner wall of the auxiliary pipeline are formed in the peripheral side of the auxiliary pipeline, a pushing plate is arranged on the peripheral side of the auxiliary pipeline, and one end of the pushing plate extends into the auxiliary pipeline through the sliding grooves and is fixedly connected with the first sealing plate.

Preferably, the inside of auxiliary conduit lateral wall is seted up the annular that is linked together with the spout, sliding connection has the ring piece between the inner wall of annular, ring piece and push pedal fixed connection.

(III) advantageous effects

The utility model provides a tunnel ventilation is with entrance to a cave air supply arrangement. The method has the following beneficial effects:

(1) this entrance to a cave air supply arrangement for tunnel ventilation all is provided with closing device's mating reaction through the week side at secondary pipe both ends for closing device can seal secondary pipe, has realized the convenient of the secondary pipe of not construction area and has closed, and then makes the reinforcing of construction area air-out power.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the auxiliary pipeline of the present invention;

FIG. 3 is a schematic bottom view of the partial structure of the auxiliary duct of the present invention;

FIG. 4 is a schematic view of the structure of the auxiliary pipeline of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a schematic sectional view of the connection structure at the sliding chute of the present invention;

fig. 7 is a schematic sectional view of the sliding chute of the present invention.

In the figure: 1. a main pipeline; 2. a secondary pipe; 21. a chute; 22. a ring groove; 3. an air outlet hose; 4. a closure device; 41. pushing the plate; 42. a first sealing plate; 43. a second sealing plate; 44. and (5) a ring block.

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.

Referring to fig. 1-7, the present invention provides a technical solution: including trunk line 1, trunk line 1 supplies air to the tunnel inside, trunk line 1's week side is provided with a plurality of auxiliary duct 2, auxiliary duct 2 shunts the air current in trunk line 1, auxiliary duct 2's both ends are linked together with trunk line 1 respectively, auxiliary duct 2's middle part week side intercommunication has air outlet hose 3, the air that shunts is discharged through air outlet hose 3, the reaction force of exhaust gas drives air outlet hose 3 swing, and then make the more even dispersion of air to in the tunnel, auxiliary duct 2 is close to trunk line 1 both ends week side and all is provided with closing device 4, closing device 4 seals auxiliary duct 2, make auxiliary duct 2 in the region of not being under construction seal, be not at the exhaust air, and then guarantee the atmospheric pressure in trunk line 1, make construction region's air outlet hose 3 give vent to anger efficiency promotion, closing device 4 includes two first closing plate 42 of mutually supporting, The second sealing plate 43, the first sealing plate 42, the second sealing plate 43 are all semicircular plate structures, the diameter of the semicircular plate structures is the same with the inner diameter of the secondary pipeline 2, the first sealing plate 42, the second sealing plate 43 cooperate to form a circle, so that the secondary pipeline 2 is sealed, the first sealing plate 42, the second sealing plate 43 are all arranged between the inner walls of the secondary pipeline 2, the second sealing plate 43 is fixedly connected with the inner wall of the secondary pipeline 2, the first sealing plate 42 is rotatably connected with the inner wall of the secondary pipeline 2, the first sealing plate 42 rotates, and the closing and air outlet speed of the secondary pipeline 2 is controlled.

Two sliding grooves 21 communicated with the inner wall of the auxiliary pipeline 2 are formed in the peripheral side of the auxiliary pipeline 2, a push plate 41 is arranged on the peripheral side of the auxiliary pipeline 2, one end of the push plate 41 extends into the auxiliary pipeline 2 through the sliding grooves 21 and is fixedly connected with the first sealing plate 42, and the push plate 41 drives the first sealing plate 42 to rotate.

Annular 22 that is linked together with spout 21 is seted up to the inside of auxiliary duct 2 lateral wall, and sliding connection has ring 44 between the inner wall of annular 22, and ring 44 and push pedal 41 fixed connection through annular 22, the cooperation of ring 44 for first closing plate 42 rotates more steadily, is provided with the sealing washer between annular 22, the ring 44, avoids the air current to spill in spout 21 department.

During the use, only need carry out the selection according to the construction region, rotatory not construction region's push pedal 41, push pedal 41 is rotatory to drive first closing plate 42 rotatory, until first closing plate 42 completely staggers with second closing plate 43, seal secondary line 2 can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims (3)

1. The utility model provides a tunnel ventilation is with entrance to a cave air supply arrangement which characterized in that: comprises a main pipeline (1);

a plurality of auxiliary pipelines (2) are arranged on the periphery of the main pipeline (1), and two ends of each auxiliary pipeline (2) are respectively communicated with the main pipeline (1);

the peripheral side of the middle part of the auxiliary pipeline (2) is communicated with an air outlet hose (3);

the peripheral sides of the auxiliary pipeline (2) close to the two ends of the main pipeline (1) are provided with sealing devices (4);

the sealing device (4) comprises a first sealing plate (42) and a second sealing plate (43) which are matched with each other, and the first sealing plate (42) and the second sealing plate (43) are both in a semicircular plate-shaped structure;

the first sealing plate (42) and the second sealing plate (43) are arranged between the inner walls of the auxiliary pipelines (2), the second sealing plate (43) is fixedly connected with the inner walls of the auxiliary pipelines (2), and the first sealing plate (42) is rotatably connected with the inner walls of the auxiliary pipelines (2).

2. The tunnel ventilation opening air supply device as claimed in claim 1, wherein: two sliding grooves (21) communicated with the inner wall of the auxiliary pipeline (2) are formed in the peripheral side of the auxiliary pipeline, push plates (41) are arranged on the peripheral side of the auxiliary pipeline (2), and one ends of the push plates (41) extend into the auxiliary pipeline (2) through the sliding grooves (21) and are fixedly connected with the first sealing plate (42).

3. The tunnel ventilation opening air supply device as claimed in claim 2, wherein: annular groove (22) that are linked together with spout (21) are seted up to the inside of auxiliary duct (2) lateral wall, sliding connection has ring piece (44) between the inner wall of annular groove (22), ring piece (44) and push pedal (41) fixed connection.

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