KR102116065B1 - Device for blocking tunnel entry - Google Patents

Abstract

Disclosed is a device for blocking an entry to a tunnel, which is configured to prevent an inoperative state caused by irregular winding and releasing of a screen. The device for blocking an entry to a tunnel, which is mounted on a structure on a tunnel access path to display a warning message or warning text when an emergency occurs in the tunnel, comprises: a motor having a motor shaft and rotating forward or reverse; a rotating rod fastened to the motor shaft and rotating forward or reverse; a screen fixing shaft protruding in a radial direction from the rotating rod; a blocking screen including a plurality of perforations formed to be inserted to the screen fixing shaft, and wound or released by the forward or reverse rotation of the rotating rod; a first interlocking member including a first body portion and a plurality of first wing portions protruding outward from the outer surface of the first body portion, and fastened to one side of the rotating rod to interlock with the rotation of the rotating rod; and a second interlocking member including a second body portion and a plurality of second wing portions protruding outward from the outer surface of the second body portion, and fastened to the other side of the rotating rod to interlock with the rotation of the rotating rod.

Description

Tunnel Entry Blocking Device {DEVICE FOR BLOCKING TUNNEL ENTRY}

The present invention relates to a tunnel entry and exit device, and more particularly, to a tunnel entry and exit device configured to prevent the spread film from being irregularly wound or released and becoming inoperative.

In general, tunnels are formed by penetrating obstacles such as mountains for rapid passage on highways, etc. These tunnels have a great advantage of shortening the driving time by minimizing the driving distance of the vehicle, but when an accident occurs in the tunnel There was a very difficult problem to deal with quickly.

In particular, in the event of a fire accident due to a traffic accident or a short circuit in the tunnel, there is a high risk of suffocation due to flames or smoke, as well as rapid evacuation if the driver enters the tunnel because the driver is not aware of the tunnel accident. Since it is not done, there is a risk of large human and material accidents.

Therefore, an emergency means such as a fire extinguisher is provided in the tunnel, but the inside is dark and narrow, so fire extinguishing is impossible, and a device for blocking the entrance of the tunnel in an emergency has been developed because it is very difficult to enter a fire engine.

1 is a plan view for explaining a general tunnel entry blocking device.

As shown in FIG. 1, according to a general tunnel entry and exit device, the body portion 10 wound around the spreading film 14 by the rotating shaft 12 and a driving motor providing forward or reverse rotating power to the rotating shaft 12 It consists of a unit 20, a proximity sensor unit 30 installed on a rotation path of the rotating shaft 12, and a control unit outputting an operation signal to the drive motor unit 20 according to the signals of the proximity sensor unit 30.

Therefore, when the rotating shaft 12 is rotated by the driving motor unit 20, the tunnel entry blocking device has a structure in which the spreading membrane 14 is entirely wound or released by the rotating shaft 12, particularly the proximity sensor unit 30 ), The winding state or the unwinding state of the spreading film 14 is detected.

By the way, in the process of the tunnel entrance blocking device, when the spreading film 14 is entirely wound or unwound on the rotating shaft 12, when the balance of the spreading film 14 is not balanced or an external force such as wind is applied, the spreading film 14 is irregularly There is a problem of reaching an inoperable state because it is wound or released.

Korean Registered Patent No. 10-1266911 (2013 05 16) (tunnel entry blocking device with safety mechanism) Korean Registered Patent No. 10-0715590 (2007 04 30) (entrance blocking device for tunnel accidents) Korean Registered Patent No. 10-1189010 (2012 September 28) (entrance blocking device for layered tunnel accidents) Korean Registered Patent No. 10-2031292 (2019 10 04) (tunnel entry blocking device)

Accordingly, the technical problem of the present invention is to solve such a problem, and the object of the present invention is a tunnel entrance blocking device configured to prevent the spreading film from being wound or released irregularly during the entire winding or unwinding process. Is to provide

According to one embodiment in order to realize the object of the present invention is mounted on the structure of the tunnel entrance, the tunnel entry and exit device for displaying a warning phrase or warning text when an emergency occurs in the tunnel, forward or reverse with a motor shaft Rotary motor; A rotating rod that is fastened to the motor shaft and rotates forward or reverse; A screen fixing shaft protruding in the radial direction from the rotating rod; A blocking screen which includes a plurality of perforations formed to be inserted into the screen fixing shaft, and is wound or released by forward or reverse rotation of the rotating rod; A first interlocking member including a first body portion and a plurality of first wing portions protruding outward from an outer surface of the first body portion, the first interlocking member being fastened to one side of the rotating rod and interlocking with the rotation of the rotating rod; And a second interlocking member including a second body portion and a plurality of second wing portions protruding outward from an outer surface of the second body portion, the second interlocking member being fastened to the other side of the rotating rod and interlocking with the rotation of the rotating rod. .

In one embodiment of the present invention, the wing portion has a right-angled triangular shape, and the right-angled inner portion of the right-angled triangle may be disposed in a region far from the rotating rod.

delete

In one embodiment of the present invention, it may further include a plurality of lighting members fastened to the lower end of the blocking screen.

In one embodiment of the invention, the perforated portion may have a long hole shape extending in the vertical direction.

delete

According to such a tunnel entry blocking device, the first fixed shaft and the second fixed shaft provided on the left and right sides of the rotating rod are sequentially separated from the perforated portion formed in the blocking screen in the process of the entire blocking screen being loosened on the rotating rod. You can balance the left and right sides of the blocking screen and minimize the influence of external forces such as wind. In addition, since the first fixing shaft and the second fixing shaft provided on the left and right sides of the rotating rod are sequentially inserted into the perforated portion formed on the blocking screen in the process where the blocking screen is entirely wound on the rotating rod, the balance of the left and right balance of the blocking screen when the blocking screen is wound. And can minimize the influence of external forces such as wind.

1 is a plan view for explaining a general tunnel entry blocking device.
2 is a plan view for explaining a tunnel entry and exit device according to an embodiment of the present invention.
3 is a perspective view for explaining an example of the first interlocking member shown in FIG. 2.
4 is a plan view for explaining the punched portion shown in FIG. 2.
5 is a view for explaining the movement of the wing shown in FIG.
FIG. 6 is a cross-sectional view for explaining that the first wing portion of the first interlocking member shown in FIG. 2 is wound on the spreading membrane of the blocking screen.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. The present invention can be applied to various changes and may have various forms, and specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific disclosure form, and it should be understood that it includes all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing each drawing, similar reference numerals are used for similar components. In the accompanying drawings, the dimensions of the structures are shown to be enlarged than the actual for clarity of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from other components. For example, the first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, terms such as “include” or “have” are intended to indicate the presence of features, numbers, steps, actions, elements, parts or combinations thereof described in the specification, but one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, actions, components, parts or combinations thereof are not excluded in advance.

Also, unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms such as those defined in a commonly used dictionary should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. Does not.

2 is a plan view for explaining a tunnel entry and exit device according to an embodiment of the present invention. 3 is a plan view for explaining the punched portion shown in FIG. 2. 4 is a perspective view for explaining an example of the first interlocking member shown in FIG. 2. 5 is a view for explaining the movement of the wing shown in FIG. FIG. 6 is a cross-sectional view for explaining that the first wing portion of the first interlocking member shown in FIG. 2 is wound on the spreading film of the blocking screen.

2, 3, 4, 5 and 6, the tunnel entry and exit device according to an embodiment of the present invention includes a motor 110, a rotating rod 120, a screen fixing shaft 130, a first Including an interlocking member 140, a second interlocking member 150, and a blocking screen 160, it is mounted on a structure of a tunnel entry path, and when an emergency occurs in the tunnel, the blocking screen 160 is unfolded to process a warning statement or The warning text is displayed, and when the emergency is released, the blocking screen 160 is wound to hide the display of the warning text or warning text.

The motor 110 has a motor shaft 112 to rotate or reverse rotate the rotating rod 120 forward or reverse to wind or unwind the blocking screen 160. In this embodiment, a speed reducer (not shown) for decelerating the high speed of the motor 110 may be further included.

The rotating rod 120 is fastened to the motor shaft 112 and forward or reverse rotation according to the forward or reverse rotation of the motor 110 to rotate the first interlocking member 130 and the second interlocking member 140 forward or Reverse rotation.

The screen fixing shaft 130 includes a first fixing shaft 132 and a second fixing shaft 134 and protrudes in a radial direction from the rotating rod 120. The heights of the first fixed shaft 132 and the second fixed shaft 134 may be greater than or equal to the thickness of the blocking screen 160 wound on the rotating rod 120.

The first interlocking member 140 includes a first body portion 142 and a plurality of first wing portions 144 protruding outward from an outer circumferential surface of the first body portion 142, and one side of the rotating rod 120 It is fastened to the rotation of the rotating rod 120, that is interlocked with the forward or reverse rotation of the rotating rod 120. In this embodiment, the first wing portion 144 may have a right-angled triangular shape, and the right-angled inner-angled portion of the right-angled triangle may be disposed in a region distant from the rotating rod 120. In this embodiment, the first wing portion 144 serves to align the blocking screen 160 wound on the rotating rod 120 so that the left and right are not unevenly wound by eccentricity.

The first wing part 144 includes four triangular pieces 145 protruding radially from the first body part 142, four support parts 146 supporting each of the triangular pieces 145, and the support parts ( It includes four fixing pins 147 for fixing the triangular piece 145 through 146). According to the user's manipulation, the triangular pieces 145 are slided in the support parts 146 and fixed to the fixing pin 147. In this embodiment, although the first wing portion 144 is illustrated as having four triangular pieces 145, three or less may be provided, or five or more may be provided.

The second interlocking member 150 includes a second body portion (no drawing symbol) and a plurality of second wing portions (no drawing symbol) protruding outward from the outer surface of the second body portion, and the rotating rod 120 ) Is fastened to the other side and interlocks with the rotation of the rotating rod 120. Since the second interlocking member 150 has the same shape as the first interlocking member 140, detailed description thereof will be omitted.

The blocking screen 160 includes a plurality of perforations 162 formed to be inserted into the first fixing shaft 132 and the second fixing shaft 134 of the screen fixing shaft 130, and forward rotation of the rotating rod 120 Or it is wound or released by reverse rotation. Since the blocking screen is wound in the state of being unwound on the rotating rod 120 or unwound in the state of being wound, the perforations 162 are blocking screens to facilitate insertion or removal from the first fixed shaft 132 or the second fixed shaft 134. It is preferable to have a long hole shape extending in the longitudinal direction of (160).

In this embodiment, the perforated portion 162 may further include a plurality of brushlets 164 formed in the inner direction. The brush 164 is blocked when the first fixing shaft 132 and the second fixing shaft 134 of the screen fixing shaft 130 inserted into the perforated portion 162 are wound or loosened in the perforated portion 162. The screen 160 may be provided to minimize shaking.

When the blocking screen 160 is loosened, the blocking screen 160 that is released from the rotating rod 120 is in a state in which the perforated portions 162 are bound by the first fixing shaft 132 and the second fixing shaft 134. Since it is separated sequentially, the left and right sides of the blocking screen 160 are released without twisting, so that the right and left balance of the blocking screen 160 can be balanced, and the influence of external force such as wind can be minimized.

In addition, during the winding operation of the blocking screen 160, the blocking screen 160 wound on the rotating rod 120 is sequentially inserted into the first fixing shaft 132 and the second fixing shaft 134 into the perforations 162. Because the left and right are wound without twisting, the right and left balance of the blocking screen 160 can be balanced, and the influence of external force such as wind can be minimized.

In this embodiment, the tunnel entry blocking device further includes a lighting member 170 attached to the lower end of the blocking screen 160 to visually notify the driver that an accident in the tunnel has occurred. The lighting member 170 may include an LED or the like for repeatedly performing light emission and point light to process light.

As described above, according to the present invention, the first fixing shaft and the second fixing shaft provided on the left and right sides of the rotating rod are sequentially separated from the perforated portion formed on the blocking screen in the process of the entire blocking screen being loosened on the rotating rod. When unfolding the screen, the left and right balance of the blocking screen can be balanced, and the influence of external forces such as wind can be minimized. In addition, since the first fixing shaft and the second fixing shaft provided on the left and right sides of the rotating rod are sequentially inserted into the perforated portion formed on the blocking screen in the process where the blocking screen is entirely wound on the rotating rod, the balance of the left and right balance of the blocking screen when the blocking screen is wound. And can minimize the influence of external forces such as wind.

Although described above with reference to examples, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand.

110: motor 112: motor shaft
120: rotating rod 130: screen fixed shaft
140: first interlocking member 150: second interlocking member
160: blocking screen 170: lighting member

Claims (6)

When installed in the structure of the tunnel access road, in the event of an emergency in the tunnel, in the tunnel entry and exit device that displays a warning message or warning text,
A motor having a motor shaft, which rotates forward or reverse;
A rotating rod that is fastened to the motor shaft and rotates forward or reverse;
A screen fixing shaft protruding in the radial direction from the rotating rod;
A blocking screen which includes a plurality of perforations formed to be inserted into the screen fixing shaft, and is wound or released by forward or reverse rotation of the rotating rod;
A first interlocking member including a first body portion and a plurality of first wing portions protruding outward from an outer surface of the first body portion, the first interlocking member being fastened to one side of the rotating rod and interlocking with the rotation of the rotating rod; And
It includes a second body portion and a plurality of second wing portions protruding outward from the outer surface of the second body portion, and including a second interlocking member fastened to the other side of the rotating rod and interlocking with the rotation of the rotating rod Tunnel entry blocking device characterized by. delete According to claim 1, The wing portion has a right-angled triangular shape, the right angle of the inner portion of the triangular shape is arranged in the tunnel entry barrier device, characterized in that disposed in an area far from the rotating rod. The tunnel entry blocking device according to claim 1, further comprising a plurality of lighting members fastened to a lower end of the blocking screen. delete [3] The tunnel entry blocking device according to claim 1, wherein the perforated portion has a long hole shape extending in a vertical direction.

Images