JP6222676B1 - Mobile tunnel soundproof door device - Google Patents

Abstract

A mobile tunnel soundproof door device capable of easily and safely closing between an inner surface of a tunnel and an outer side of a soundproof panel. A mobile tunnel soundproof door device of the present invention has a tubular body that swells in a cylindrical shape, and a connection fastener is provided at an end of the tubular body, and a plurality of tubes are connected by the connection fastener. The bodies 30 are connected to each other, and the plurality of connected pipe bodies 30 are arranged between the inner surface of the tunnel 60 and the outer sides 12a and 13a. Block between. [Selection] Figure 1

Description

  The present invention relates to a mobile tunnel soundproof door device for closing a tunnel entrance or tunnel.

For example, as in Patent Document 1 and Patent Document 2, a mobile tunnel soundproof door device having a soundproof panel has been proposed.
Patent Document 3 proposes a face containment device that closes the ceiling, side, and opening of the tunnel with a balloon.

JP 2014-173362 A JP 2014-221993 A Japanese Patent Laying-Open No. 2015-522266

According to the mobile tunnel soundproof door device of Patent Document 1, workers engaged in moving work can be visually recognized, leading to disaster prevention. In addition, according to the damper device for the mobile tunnel soundproof wall disclosed in Patent Document 2, it is possible to eliminate pressure loss in the wind pipe due to the damper and to eliminate power loss. However, it is necessary to block between the arc-shaped outer side of the side soundproof panel and the upper soundproof panel and the inner surface of the tunnel with a rib-reinforced iron plate. Since the total weight of the iron plate is about 400 to 500 kg, a means for easily and safely closing the space between the outer side of the soundproof panel and the inner surface of the tunnel is required.
The face confinement device of Patent Document 3 attempts to close the entire tunnel entrance including the opening near the center of the tunnel through which the vehicle passes with an inflated balloon, and the outer side of the soundproof panel and the tunnel It does not block the space between the inner surface.

  Accordingly, an object of the present invention is to provide a mobile tunnel soundproof door device that can easily and safely close the space between the inner surface of the tunnel and the outer side of the soundproof panel.

The mobile tunnel soundproof door device according to the first aspect of the present invention includes a main door through which a vehicle enters and exits, an upper soundproof panel disposed above the main door, and side soundproofing disposed on both sides of the main door. A panel and a pedestal that supports the main door, the side soundproof panel, and the upper soundproof panel, and the upper soundproof panel and the side soundproof panel have outer sides and close the tunnel entrance or the inside of the tunnel. a mobile tunnel soundproof door device has a tubular body inflated into a cylindrical shape by gas introduced therein, the connecting fastener is provided at the end of the pipe body, a plurality of the pipes by the connecting fasteners body is connected, occlusion plurality of the tubular body that is connected is disposed between the inner and the outer sides of the tunnel, by said tube bulging, between the inner surface and the outer sides of the tunnel Special to do To.
According to a second aspect of the present invention, in the mobile tunnel soundproof door device according to the first aspect, a band is provided on a body portion of the tubular body, and the band and the outer side are connected by a connecting material. It is characterized by.
According to a third aspect of the present invention, in the mobile tunnel soundproof door device according to the second aspect, a receiving member for receiving the body portion of the tubular body is provided on the outer side, and at least a part of the receiving member is provided. A deformed reinforcing bar is used, and the connecting member is connected using the deformed reinforcing bar.
The present invention is claimed in claim 4, wherein, in the mobile tunnel soundproof door device according to claim 1, the body of the tube body, the air valve to out introducing the gas into the tube body is provided, said tube body Is characterized in that the air valve is arranged to be a surface in the anti-face direction when the space between the inner surface and the outer side of the tunnel is closed.
According to a fifth aspect of the present invention, in the mobile tunnel soundproof door device according to any one of the first to fourth aspects, the tubular body is expanded by the introduction of the gas, and the expansion of the inner tube. The outer tube is provided with a housing fastener for housing the inner tube, and the housing fastener is provided in a longitudinal direction of the outer tube. .
According to a sixth aspect of the present invention, in the mobile tunnel soundproof door device according to the fifth aspect, the storage fastener is provided when the tubular body closes between the inner surface of the tunnel and the outer side. Is arranged so as to be a surface in the anti-face direction.
According to a seventh aspect of the present invention, in the mobile tunnel soundproof door device according to the second aspect, at least a first belt body and a second belt body are provided as the belt body, and the first belt body is provided. The body and the second band are positioned so as to be in a range of 60 degrees to 120 degrees with respect to the center of the tubular body.

  ADVANTAGE OF THE INVENTION According to this invention, the movable tunnel soundproof door apparatus which can block | close between the inner surface of a tunnel and the outer side of a soundproof panel easily and safely can be provided.

The front view which looked at the mobile tunnel soundproof door apparatus by one Example of this invention from the outside of a tunnel Right side view of the mobile tunnel soundproof door device Left side view of the mobile tunnel soundproof door device The figure which shows the tubular body and receiving member of the mobile tunnel soundproof door apparatus Partial enlarged photo of the mobile tunnel soundproof door Partial enlarged photo of the mobile tunnel soundproof door Partial enlarged photo of the mobile tunnel soundproof door Partial enlarged photo of the mobile tunnel soundproof door Partial enlarged photo of the mobile tunnel soundproof door Partial enlarged photograph of a mobile tunnel soundproof door device according to another embodiment of the present invention

The mobile tunnel soundproof door device according to the first embodiment of the present invention has a tubular body that swells in a cylindrical shape by gas introduced therein, and is provided with a connecting fastener at the end of the tubular body. A plurality of pipes are connected by a fastener, and the connected pipes are arranged between the inner surface and the outer side of the tunnel, and the swelled tube blocks the inner surface and the outer side of the tunnel. To do. According to the present embodiment, since the tubular body swelled in a cylindrical shape is used to block between the inner surface and the outer side of the tunnel, it is possible to cope with the difference in the size of the tunnel well or inside the tunnel. The mobile tunnel soundproof door device can be easily moved, and can be applied before and after placing concrete on the inner surface of the tunnel. Moreover, according to this Embodiment, since a some pipe body is connected with the fastener for connection, it can respond using the number of pipe bodies according to the size of the tunnel well or the inside of a tunnel.

  According to a second embodiment of the present invention, in the mobile tunnel soundproof door device according to the first embodiment, a band body is provided in the body portion of the tubular body, and the band body and the outer side are connected by a connecting material. It is what. According to the present embodiment, the tube body is closely fixed between the inner surface and the outer side of the tunnel by expansion, but by connecting with a connecting material, the tube body is surely closed even if excessive pressure is applied at the time of blasting. Can be maintained.

  According to a third embodiment of the present invention, in the mobile tunnel soundproof door device according to the second embodiment, a receiving member for receiving the body portion of the tubular body is provided on the outer side, and at least a part of the receiving member is deformed. Reinforcing bars are used, and the connecting members are connected using deformed reinforcing bars. According to this embodiment, by using a deformed reinforcing bar material, for example, when a connecting string or a binding band is used as the connecting material, the connecting material can be prevented from slipping.

  According to a fourth embodiment of the present invention, in the mobile tunnel soundproof door device according to the first embodiment, an air valve that introduces gas into and out of the tubular body is provided in a body portion of the tubular body. The air valve is arranged so as to be a surface in the anti-face direction when the inner surface and the outer side of the tunnel are closed. According to the present embodiment, it is possible to minimize the influence from stepping stones due to blasting.

  According to a fifth embodiment of the present invention, in the mobile tunnel soundproof door device according to any one of the first to fourth embodiments, the tubular body includes an inner cannula that swells by introduction of gas, The outer tube is inflated by expansion, and the outer tube is provided with a storage fastener for storing the inner tube, and the storage fastener is provided in the longitudinal direction of the outer tube. According to the present embodiment, by using the inner tube and the outer tube, the material of the inner tube and the outer tube can be changed. For example, the inner tube is more elastic than the outer tube. A material is used, and the outer tube is thicker than the inner tube, and can be made of a material having high durability and soundproofing that can cope with a stepping stone caused by friction with the inner surface of the tunnel or blasting.

  According to a sixth embodiment of the present invention, in the mobile tunnel soundproof door device according to the fifth embodiment, when the tube is closed between the inner surface and the outer side of the tunnel, the storage fastener is provided. It is what is arranged so that it may become the field of the anti-face face direction. According to the present embodiment, it is possible to minimize the influence from stepping stones due to blasting.

  According to a seventh embodiment of the present invention, in the mobile tunnel soundproof door device according to the second embodiment, at least a first belt body and a second belt body are provided as the belt body. The band and the second band are positioned so as to be in the range of 60 degrees to 120 degrees with respect to the center of the tubular body. According to the present embodiment, the face in the face direction and the face in the anti-face direction can be connected by the connecting material, and the blockage can be reliably maintained.

Embodiments of the present invention will be described below in detail with reference to the drawings.
FIG. 1 is a front view of a mobile tunnel soundproof door device according to an embodiment of the present invention as seen from the outside of a tunnel.

  The mobile tunnel soundproof door device 10 includes a double door main door 11 through which a vehicle enters and exits, a side soundproof panel 12 disposed on both sides of the main door 11, and an upper soundproof panel 13 disposed above the main door 11. The main door 11, the side soundproof panel 12, and the pedestal 14 that supports the upper soundproof panel 13 are provided, and the tunnel 60 or the inside of the tunnel 60 is closed.

The main door 11 is composed of two rectangular steel panel plates.
The side soundproof panel 12 is composed of a steel panel plate surrounded by a linear inner side on the main door 11 side, a linear bottom side on the pedestal 14 side, and an arc-shaped outer side 12a on the inner surface side of the tunnel 60. Is done.
The upper soundproof panel 13 is a steel panel plate surrounded by a straight inner side on the side soundproof panel 12 side, a straight bottom side on the main door 11 side, and an arc-shaped outer side 13a on the inner surface side of the tunnel 60. Consists of.
The main door 11 is disposed between the pair of columns 15, and the side soundproof panel 12 is disposed outside the columns 15.
The pedestal 14 is disposed below the support column 15.
In the present embodiment, each panel plate constituting the main door 11, the side soundproof panel 12 and the upper soundproof panel 13 is made of steel (made of metal). A material other than metal may be used for a part of the panel plate for the purpose of weight reduction or the like as long as sufficient soundproofing performance against blasting sound or the like can be secured.

The main door 11 is attached to the support column 15 with a hinge 16 and has an inner opening that opens in the face direction.
The main door 11 is maintained in a closed state by a closing member 18 such as a pinning member. The closing member 18 is provided on the face side.
The pressure generated at the time of tunnel blasting is applied to the face of the main door 11 on the face side, but by making the main door 11 open inward, the burden on the closing member 18 of the main door 11 can be reduced.
A wind pipe opening 20 is provided in the upper soundproof panel 13.
The mobile tunnel soundproof wall 10 according to the present embodiment is pulled by a heavy machine, installed in a tunnel 60 or a tunnel, and removed from the tunnel 60 or a tunnel.

The size of the tunnel 60 varies depending on the site. The mobile tunnel noise barrier 10 is manufactured to be smaller than the inner diameter of the tunnel 60 so that it can accommodate various sizes of the tunnel 60. Therefore, an interval of several centimeters to several tens of centimeters is generated between the inner surface of the tunnel 60 and the outer side 12a of the side soundproof panel 12, and between the inner surface of the tunnel 60 and the outer side 13a of the upper soundproof panel 13. . From the viewpoint of soundproof performance, it is better that the distance between the inner surface of the tunnel 60 and the outer side 12a of the side soundproof panel 12 and between the inner surface of the tunnel 60 and the outer side 13a of the upper soundproof panel 13 is smaller. , And preferably 80 cm or less.
In order to close this space, a plurality of tubular bodies 30 connected to the outer side 12a of the side soundproof panel 12 and the outer side 13a of the upper soundproof panel 13 (hereinafter simply referred to as “outer sides 12a, 13a”). Is provided over the entire circumference.
The tube body 30 expands in a cylindrical shape when a gas is introduced therein. The expanded tubular body 30 is tightly fixed between the outer side 12 a of the side soundproof panel 12 and the outer side 13 a of the upper soundproof panel 13 (hereinafter simply referred to as “outer sides 12 a, 13 a”) and the inner surface of the tunnel 60. To do. Thereby, the space between the inner surface of the tunnel 60 and the outer sides 12a and 13a is blocked by the expanded tubular body 30, and high soundproof performance is obtained.
In this way, the inner and outer sides 12a and 13a of the tunnel 60 are closed using the shrinkable and inflatable tube body 30, so that it is possible to cope with different sizes of the tunnel 60 or the inside of the tunnel 60. The movement of the mobile tunnel soundproof door device 10 in the tunnel 60 is easy. In addition, the working time can be shortened compared to the case where the gap is closed with an iron plate, and construction can be performed safely. Moreover, the mobile tunnel soundproof wall 10 can be reduced in weight.

FIG. 2 is a right side cross-sectional view of the mobile tunnel soundproof door device according to this embodiment, and FIG. 3 is a left side cross-sectional view of the mobile tunnel soundproof door device.
FIG. 2 shows a state in which the inner surface of the tunnel is covered with the support work 61. Further, FIG. 3 shows a state in which the concrete 62 is constructed on the support work 61.
A receiving member 50 that receives the body portion 30a of the tubular body 30 is provided on the outer sides 12a and 13a. The receiving member 50 is provided so as to protrude forward and backward (face direction and anti-face direction) from the side soundproof panel 12 or the upper soundproof panel 13. As for the trunk | drum 30a of the expanded tube 30, one surface closely_contact | adheres to the receiving member 50, and the other surface closely_contact | adheres to the support 61 or concrete 62. FIG. By providing the receiving member 50, the tubular body 30 can be more reliably prevented from falling off.
The space between the inner surface of the tunnel 60 and the outer sides 12a and 13a is narrower in the state covered with the concrete 62 (FIG. 3) than in the state covered with the support 61 (FIG. 2). Therefore, the expanded tubular body 30 has a shape close to a perfect circle when covered with the support 61 and a shape close to an ellipse when covered with the concrete 62. Thus, since the shape of the tube 30 changes according to the distance between the inner surface of the tunnel 60 and the outer sides 12a and 13a, before and after placing concrete on the inner surface of the tunnel 60 without replacing the tube 30. Can also be supported.
As shown in FIG. 2, when the cross-sectional shape of the expanded tubular body 30 is close to a perfect circle, the contact area between the tubular body 30 and the inner surface of the tunnel 60 is small. However, in the state covered with the support 61, the inner surface of the tunnel 60 is rough and the frictional resistance is large, so that the pipe body 30 is prevented from slipping down.
Further, when the secondary lining surface (finished surface) is constructed after excavation is completed, the inner surface of the tunnel 60 becomes smooth and the frictional resistance is reduced. However, in this case, the distance between the inner surface of the tunnel 60 and the outer sides 12a and 13a is narrower than the state shown in FIG. 2, and the cross-sectional shape of the expanded tubular body 30 is elliptical as shown in FIG. Get closer. Therefore, the contact area between the tubular body 30 and the inner surface of the tunnel 60 increases, and the sliding of the tubular body 30 is prevented.
An upper structure 21 and an inner structure 22 are provided on the upper portion of the base 14. In addition, a plurality of rollers 23 are provided below the pedestal 14.
In addition, the upper soundproof panel 13 is provided with a wind pipe connection opening 24 and a sound insulation damper 25.

FIG. 4 is a view showing a pipe body and a receiving member of the mobile tunnel soundproof door device according to the present embodiment. FIG. 4A is a front view showing a face side of the pipe body, and FIG. FIG. 4C is a side sectional view of a receiving member, and FIG. 4D is a top sectional view of FIG.
The body 30 a of the tube body 30 is provided with a connection fastener 33, a band body 34, a storage fastener 35, and an air valve 36.

The tubular body 30 has a double structure composed of an inner tube 31 that expands in a cylindrical shape by the introduction of gas and an outer tube 32 that expands in a cylindrical shape by the expansion of the inner tube 31. A gas is introduced into and out of the inner tube 31 via an air valve 36.
By using the inner tube 31 and the outer tube 32, the material of the inner tube 31 and the material of the outer tube 32 can be changed. For example, the inner tube 31 is more elastic than the outer tube 32. A thin material is used, and the outer tube 32 is made of a material thicker than the inner tube 31 and can be made of a material having high durability and soundproofing properties that can cope with a stepping stone caused by friction with the inner surface of the tunnel 60 or blasting. When high durability and soundproofing are not required, the tube body 30 may have a single structure.
The outer tube 32 is formed to be slightly larger than the inner tube 31 and has an opening for taking the inner tube 31 in and out. The opening is provided in the longitudinal direction from one end of the outer tube 32 to the other end. A storage fastener 35 is provided in the opening, and the opening can be opened and closed with the storage fastener 35.
The inner tube 31 is disposed inside the outer tube 32 by opening the storage fastener 35 of the outer tube 32. The inner tube 31 is not connected to the outer tube 32 in the outer tube 32, and the inner tube 31 and the outer tube 32 are independent. Note that a plurality of inner tube 31 may be arranged inside the outer tube 32.
The air valve 36 is used for introducing gas into and out of the inner tube 31. The gas inlet / outlet of the air valve 36 is arranged such that one end is disposed in the inner tube 31 and the other end is exposed outside the outer tube 32. By exposing the other end from the outer tube 32, the gas introduction / extraction operation to the inner tube 31 is facilitated.
Further, the air valve 36 is disposed in the vicinity of the storage fastener 35. Thereby, the tubular body 30 can be installed with the storage fastener 35 and the air valve 36 oriented in the same direction.
The connecting fastener 33 is provided in an annular shape at the end of the tube body 30.

The band 34 is in the form of an elongated band, and is provided in the longitudinal direction from one end of the outer tube 32 to the other end shorter than the storage fastener 35. Note that the shape and arrangement of the band 34 may be appropriately changed depending on the material and the like. For example, the band 34 may be formed as a small piece, and a plurality of bands 34 may be provided at a predetermined interval from one end of the outer tube 32 to the other end, or the band 34 formed as a small piece may be provided only at both ends. it can.
Of the four sides of the band 34, only one side in the longitudinal direction is connected to the tube body 30 and can stand up with respect to the outer tube 32. In addition, small holes 34A are formed in the band 34 at predetermined intervals.
The band body 34 includes a first band body 34X and a second band body 34Y. The first band 34 </ b> X and the second band 34 </ b> Y are provided apart from each other in the circumferential direction of the tube body 30. It is preferable that the first belt member 34X and the second belt member 34Y are positioned so that the distance β between the first belt member 34X and the second belt member 34Y is within a range of 60 degrees to 120 degrees with respect to the center α of the tubular body 30. When installing the tubular body 30 on the receiving member 50, the receiving member 50 is positioned between the first belt body 34X and the second belt body 34Y (region of the interval β). Thereby, the 1st belt | band | zone 34X and the 2nd belt | band | zone 34Y can be divided and located in the surface of a face direction, and the surface of an anti-face face direction.

A plurality of receiving members 50 are provided on the outer sides 12 a and 13 a, and the tubular body 30 is prevented from falling off by receiving the body portion 30 a of the tubular body 30.
The width W1 of the receiving member 50 is formed larger than the width W2 of the outer sides 12a and 13a, and the receiving member 50 is installed so as to protrude before and after the outer sides 12a and 13a. Accordingly, the tubular body 30 can be reliably prevented from falling off, and the tubular body 30 can be prevented from being damaged by hitting the edges of the corners of the outer sides 12a and 13a.
The receiving member 50 includes a rectangular frame 51 and two fixing plates 52 spanned on the inner side of the frame 51, and is arranged so that the longitudinal direction is the circumferential direction of the outer sides 12a and 13a. One end of the fixed plate 52 is welded to one longitudinal frame 51a, and the other end is welded to the other longitudinal frame 51b. By attaching the fixing plate 52 to the outer sides 12a and 13a with a plurality of bolts 53, the receiving member can be fixed to the outer sides 12a and 13a.
By adopting a structure in which the receiving member 50 and the outer sides 12a and 13a are connected by the bolts 53, the receiving member 50 can be attached and removed on site. Therefore, at the time of transportation, each member can be efficiently stacked on the vehicle by removing the receiving member 50 from the side soundproof panel 12 and the upper soundproof panel 13.

FIG. 5 is a partially enlarged photograph of the mobile tunnel soundproof door device according to the present embodiment, and shows a receiving member attached to the outer side. FIG. 5A and FIG. 5B differ in the angle at which the image was taken.
As shown in FIG. 5, the receiving member 50 is provided with two or more along the outer sides 12a and 13a. Instead of providing a plurality of receiving members 50, one receiving member 50 formed in an arch shape may be attached to the outer sides 12a and 13a.

FIG. 6 is a partially enlarged photograph of the mobile tunnel soundproof door device according to the present embodiment, and shows a connection state between the pipe body and the receiving member. FIG. 6A is a photograph of a state in the middle of placing the tubular body in the receiving portion from above, and FIG. 6B is a photograph of a state in which the tubular body is disposed in the receiving portion from below.
As shown in FIG. 6, the band body 34 and the outer sides 12 a and 13 a are connected by a connecting member 40. The tubular body 30 is tightly fixed between the inner surface of the tunnel 60 and the outer sides 12a and 13a by expansion. Further, by connecting with the connecting member 40, the tubular body 30 is surely closed even if excessive pressure is applied at the time of blasting. Can be maintained.
The connecting member 40 is, for example, a connecting string (binding yarn or nylon binding band). In the present embodiment, the connecting member 40 is passed through the small hole 34A of the band 34 and bound to the frame 51 of the receiving member 50 provided on the outer sides 12a and 13a.
The frame 51 of the receiving member 50 is made of a deformed reinforcing bar material having uneven projections on the surface. When round steel is used for the frame 51 that receives the connecting material 40, the connecting material 40 slips and moves from an optimal receiving position. On the other hand, when a deformed reinforcing bar material is used for the connecting member 40 as in the present embodiment, movement of the connecting member 40 is prevented by the uneven protrusions provided on the surface, and an optimal receiving position can be maintained. .
The receiving member 50 is located between the first belt body 34X and the second belt body 34Y, and the first belt body 34X is connected to one longitudinal frame 51a, and the second belt body. 34Y is connected to the other longitudinal frame 51b. Thereby, the face in the face direction and the face in the counter face direction can be connected to the outer sides 12a and 13a by the connecting member 40, and the blockage can be reliably maintained.

FIG. 7 is a partially enlarged photograph of the mobile tunnel soundproof door device according to the present embodiment, and shows a state where one of the tubular bodies is expanded. FIG. 7A is a surface in the anti-face direction, and FIG. 7B is a surface in the face direction. In addition, the inner surface of the tunnel 60 was simulated by using a steel plate.
The storage fastener 35 and the air valve 36 are surfaces in the direction opposite to the face of the tube body 30, and are positioned approximately at an intermediate position between one surface that is in close contact with the receiving member 50 and the other surface that is in close contact with the inner surface of the tunnel 60. Placed in. Thereby, the influence from the stepping stone by blasting can be suppressed to the minimum.
Further, the end portion of the tubular body 30 expands to the side of the connecting fastener 33. Thereby, the edge parts of the adjacent tubular body 30 can be closely_contact | adhered.

FIG. 8 is a partially enlarged photograph of the mobile tunnel soundproof door apparatus according to the present embodiment. FIG. 8A shows a tube body in which no gas is introduced, and FIG. The tubular body in a state of being made is shown. In addition, the inner surface of the tunnel 60 was simulated by using a steel plate.
In FIG. 8, the plurality of tube bodies 30 are connected by connection fasteners 33. Since the fastener method is easy to connect and excellent in tensile strength, the tube bodies 30 can be easily installed and the tube bodies 30 can be firmly connected to each other.
Since the plurality of pipe bodies 30 are connected by the connecting fasteners 33, the number of pipe bodies 30 according to the size of the tunnel 60 or the inside of the tunnel can be used. Further, when one tube body 30 is damaged, only the damaged tube body 30 can be replaced. Further, for example, in addition to the tube body 30 whose longitudinal direction is formed with the first dimension, a tube body 30 whose longitudinal direction is formed with the second dimension different from the first dimension is prepared for adjustment. By setting, it becomes easy to match the total dimension in the circumferential direction of the plurality of tube bodies 30 with the inner diameter of the tunnel 60 (outer diameters of the outer sides 12a and 13a) during installation.

When the mobile tunnel soundproof door device 10 is moved, it can be easily moved by making the tube body 30 contracted as shown in FIG. When the space between the inner surface of the tunnel 60 and the outer sides 12a and 13a is closed, the tube 30 is tunneled by introducing a gas into the tube 30 and expanding it as shown in FIG. 8B. It is possible to close the gap by closely contacting the inner surface of 60. In addition, in FIG. 8, since the space | interval of the inner surface of the tunnel 60 and the outer side 12a, 13a is narrow, the expanded tubular body 30 becomes a shape where it was crushed.
In this way, by introducing and discharging the gas, it is possible to close between the inner surface of the tunnel 60 and the outer sides 12a, 13a or to release the blockage, so compared to the case where the gap is closed with an iron plate or the like, Work becomes easy and safe.

FIG. 9 is a partially enlarged photograph of the mobile tunnel soundproof door device according to the present embodiment, and shows a state where a plurality of connected pipe bodies are expanded. FIG. 9A shows the surface on the anti-face side, and FIG. 9B shows the surface on the face side. In addition, the inner surface of the tunnel 60 was simulated by using a steel plate.
Compared to FIG. 8, since the distance between the inner surface of the tunnel 60 and the outer sides 12 a and 13 a is wider, the expanded tube body 30 has a cross-sectional shape close to a perfect circle.

Hereinafter, a mobile tunnel soundproof door apparatus according to another embodiment of the present invention will be described.
FIG. 10 is a partially enlarged photograph of the mobile tunnel soundproof door device according to the present embodiment, and shows a surface on the anti-face face side in a state where a plurality of connected tubular bodies are expanded. The inner surface of the tunnel 60 was simulated with a steel plate.
Note that this embodiment is different from the embodiment shown in FIGS. 1 to 9 only in the following points, and the other configurations are the same, and thus the description thereof is omitted.
In the present embodiment, the adjacent tubular bodies 30 are connected by bringing the end portions expanded laterally from the connecting fastener 33 into contact with each other. Thus, a part of the connection of the adjacent tube bodies 30 may not be a connection by the connection fastener 30.

  As described above, the mobile tunnel soundproof door device 10 uses the tubular body 30 that swells in a cylindrical shape to block between the inner surface of the tunnel 60 and the outer sides 12a and 13a. Even if the sizes of the tunnels are different from each other, the movement in the tunnel 60 can be easily performed, and further, before and after the concrete 62 is placed on the inner surface of the tunnel 60. In addition, since the plurality of pipe bodies 30 are connected by the connecting fastener 33, the number of pipe bodies 30 can be accommodated according to the size of the tunnel 60 or the inside of the tunnel.

  The mobile tunnel soundproof door device of the present invention can easily and safely close the space between the inner surface of the tunnel 60 and the outer sides 12a and 13a. Moreover, even if the size of the tunnel 60 is different, the movable tunnel soundproof door device 10 can be easily moved in the tunnel 60.

DESCRIPTION OF SYMBOLS 10 Mobile tunnel soundproof door apparatus 11 Main door 12 Side soundproof panel 12a Outer side 13 Upper soundproof panel 13a Outer side 14 Base 30 Tube 30a Body 31 Inner tube 32 Outer tube 33 Fastener 34 Band 34a Small hole 34X First band 34Y Second band 35 Storage fastener 36 Air valve 40 Connecting material 50 Receiving member 60 Tunnel α Center of tube

Claims (7)

A main door through which the vehicle enters and exits;
An upper soundproof panel disposed on the upper side of the main door;
Side soundproof panels arranged on both sides of the main door;
The main door, the side soundproof panel, and a pedestal that supports the upper soundproof panel,
The upper soundproof panel and the side soundproof panel have outer sides,
A mobile tunnel soundproof door device that closes a tunnel pit or tunnel,
It has a tubular body that swells cylindrically by the gas introduced inside ,
A fastener for connection is provided at the end of the tubular body,
A plurality of said tube body is connected by the connecting fasteners,
A plurality of said tubular body which is connected is disposed between the inner and the outer sides of the tunnel, by said tube inflated, and wherein the closing between the inner surface and the outer sides of the tunnel Mobile tunnel soundproof door device. A band is provided on the body of the tube,
The mobile tunnel soundproof door device according to claim 1, wherein the belt body and the outer side are connected by a connecting member. A receiving member for receiving the body portion of the tubular body is provided on the outer side,
A deformed reinforcing bar material is used for at least a part of the receiving member,
The said connection material is connected using the said deformed reinforcing bar material, The mobile tunnel soundproof door apparatus of Claim 2 characterized by the above-mentioned. The body portion of the tube body, the air valve to out introducing the gas into the tube body is provided,
The said tubular body is arrange | positioned so that the said air valve may turn into a surface of an anti-face face direction, when the space | interval between the inner surface of the said tunnel and the said outer side is obstruct | occluded. Mobile tunnel soundproof door device. The tubular body is composed of an inner tube that expands by introduction of the gas, and an outer tube that expands by expansion of the inner tube,
The outer tube is provided with a storage fastener for storing the inner tube,
The mobile tunnel soundproof door device according to any one of claims 1 to 4, wherein the storage fastener is provided in a longitudinal direction of the outer tube. 6. The tubular body according to claim 5, wherein the storage fastener is disposed in a direction opposite to the face when the tunnel is closed between the inner surface and the outer side of the tunnel. The mobile tunnel soundproof door device as described. As the band, at least a first band and a second band are provided,
The said 1st strip | belt body and the said 2nd strip | belt body are located so that it may become the range from 60 degree | times to 120 degree | times with respect to the center of the said tubular body. Mobile tunnel soundproof door device.