KR101717149B1 - Vehicle entry preventing appartus - Google Patents

Abstract

[0001] The present invention relates to a vehicle entry / exit device, and more particularly, to a vehicle entry / exit device, which comprises a strut installed on a roadside adjacent to a tunnel entrance, a base portion provided on the strut, a filling space filled with air, An air tube that expands in a direction intersecting the longitudinal direction of the strut when air is injected into the space, a shielding unit provided with an air injecting unit for injecting air into the air tube, and a shielding unit provided inside the air tube to guide the air tube to be inflated And at least one telescopic rod provided at both ends of the base portion and the air tube so as to be able to be stretched by the air tube when the air tube is inflated is provided so as to be stretchable in a direction intersecting with the longitudinal direction of the strut do.
The vehicle entry / exit device according to the present invention has an advantage that foreign matter is fixed to the outer circumferential surface of the extensible rod and prevents the extensible rod from interfering with the operation because the extensible rod for guiding expansion of the air tube is installed inside the air tube.

Description

Vehicle entry preventing appartus

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle entry / exit device, and more particularly, to a vehicle entry / exit device for informing a driver of a dangerous situation inside a tunnel and a bridge and preventing entry of a tunnel and a bridge.

The tunnel is a road facility for shortening the distance traveled by passing through the mountain, thereby contributing to facilitation of traffic. However, since such a tunnel itself is dark inside and communication of air is not smooth, the tunnel is provided with lighting equipment and ventilation equipment inside. However, if a fire occurs in a tunnel or a traffic accident occurs, there is a high possibility of secondary accidents due to the accumulation of vehicles and toxic gas in the tunnel. In order to prevent this, a device for prohibiting entry of the tunnel is provided in front of the entrance of the tunnel, and when an emergency such as a fire or a traffic accident occurs in the tunnel, the tunnel entry preventing device is operated to prevent the vehicle from entering the tunnel .

In addition, the vehicle entry / exit device is installed in a bridge to prevent a second collision accident by blocking entry of a rearward vehicle into a bridge when an accident occurs due to fog and freezing of the bridge.

As a conventional vehicular entry / exit device, there has been disclosed a blocking device in which a rigid blocking plate protrudes to the inside of a road. However, there is a problem that a car collides with the stone plate and breaks a stone plate or a vehicle.

Korean Patent Registration No. 10-1378755 discloses an air tube type vehicle entry / exit device.

The air tube type vehicle entrance / exit device includes at least one support installed at the entrance of a tunnel and installed upright on one side of the road, and a warning sign for prohibiting entrance of the tunnel to the surface is displayed on the surface when the inflator is inflated. An air tube module including an air tube and an inflator for inflating or inflating air into the air tube, and a detection signal from a tunnel abnormality detection sensor, which is formed separately from the air tube module and includes a fire detection sensor inside the tunnel, And a control unit for transmitting an operation signal to the inflator in accordance with an operation. The strut is provided with a telescopic arm which is multi-stretchable in the male-type direction and connected to the air tube to extend together with the air tube.

However, since the expansion / contraction arm is installed outside the air tube and is exposed to the external environment, foreign matter is adhered to the surface of the expansion / contraction arm, thereby hindering smooth operation of the expansion / contraction arm. In addition, when the telescopic arm does not smoothly operate, the air tube is not expanded to a predetermined shape by the telescopic arm, thereby lowering visibility.

It is an object of the present invention to provide a vehicle entry / exit device that is provided inside an air tube to extend the air tube.

According to an aspect of the present invention, there is provided a vehicle entry / exit device comprising: a strut installed at a side of a road adjacent to a tunnel entrance; a base installed at the strut; A blocking unit provided with a space and expanding in a direction crossing the longitudinal direction of the strut when the air is injected into the filling space; an interception unit provided with an air injection unit for injecting air into the air tube; The air tube is provided inside the air tube to prevent the air tube from being squeezed downward when contracted. The air tube is configured to be stretchable in a direction crossing the longitudinal direction of the strut, And at least one extensible rod provided on the base portion and the air tube, respectively, at both ends.

The apparatus may further include a shrink unit for shrinking the air tube when the air is drawn from the filling space.

The shrinking unit includes a wire fixed to the other end of the air tube which is opposite to one end of the air tube adjacent to the base portion, a winding drum rotatably installed on the base portion, And a drum rotating part for rotating the winding drum so that the wire is wound on the winding drum when the air is drawn out from the filling space.

It is preferable that the vehicle entry / exit device according to the present invention further comprises a lamp module installed in the base and irradiating light into the air tube.

The base includes a body having a receiving space for receiving the air tube contracted therein, a protrusion formed on one side of the air tube for protruding the air tube when the air tube is inflated, And a control unit for controlling the shutter unit so that the protrusion is opened so that the air tube protrudes to the outside of the main body when the air is injected into the air tube through the air injecting unit .

Meanwhile, the vehicle entry / exit device according to the present invention further comprises a warning lamp unit installed in the strut and lighting a warning lamp in a dangerous situation inside the tunnel.

Wherein the air tube includes a fixing plate fixed to the base portion and a tube member provided in the fixing plate so as to be inflatable in a direction intersecting the longitudinal direction of the support and having the filling space therein, And an inner space is provided at one end of the fixing plate so that the tube member shrunk therein can be accommodated therein. The inner space is provided in the longitudinal direction of the strut so as to guide the expansion direction of the tube member when air is injected into the filling space And a guide pipe extending in a direction intersecting the other end of the guide pipe.

Wherein the air tube is provided with a discharge port for discharging the air in the filling space to the outside, and the blocking unit is installed in the air tube so as to close the discharge port, and when the air pressure in the filling space is equal to or higher than a predetermined air pressure, And an opening and closing member for opening the discharge port.

Wherein the opening / closing member is provided at one end of the air tube on the upper side of the air outlet so as to be vertically rotatable, and the other end of the opening / closing member is configured to close the outlet, And a weight member having a predetermined weight so as to prevent the opening / closing plate from rotating when the pressure is less than the set air pressure.

The vehicle entry / exit device according to the present invention has an advantage that foreign matter is fixed to the outer circumferential surface of the extensible rod and prevents the extensible rod from interfering with the operation because the extensible rod for guiding expansion of the air tube is installed inside the air tube.

1 is a perspective view of a vehicle entry / exit device according to the present invention,
Fig. 2 is a front view of the vehicle entry / exit device of Fig. 1,
Fig. 3 is a perspective view of the blocking unit of the vehicle entry blocking device of Fig. 1,
Figs. 4 and 5 are cross-sectional views of a blocking unit of the vehicle access blocking device of Fig. 1; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicle access blocking device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 5 show a vehicle entry / exit device 100 according to the present invention.

1, the vehicle entry / exit device 100 includes a support 200 installed on a road adjacent to a tunnel entrance, a base 310 installed on the support 200, An air tube 320 that is expanded in a direction crossing the longitudinal direction of the struts 200 when the air is injected into the filling space 324 is provided with a filling space 324 filled with air, A shielding unit 300 having an air injection unit 330 for injecting air into the air tube 320 and a shielding unit 300 for preventing the air tube 320 from being bent downward when it is contracted, (320), and is formed so as to be stretchable in a direction intersecting with the longitudinal direction of the strut (200), so that it can be stretched by the air tube (320) when the air tube And both ends are respectively installed in the base part 310 and the air tube 320 A shrinking unit 500 for forcibly contracting the air tube 320 when the air is drawn out from the filling space 324 and a shrinking unit 500 installed on the base unit 310, And a lamp module 600 for irradiating light into the tube 320. On the other hand, in the illustrated example, the structure in which the vehicle entry / exit device is installed at the tunnel entrance side has been described. However, although not shown in the drawings, the vehicle entrance / exit device may be installed at the entrance side of the bridge.

The pillars (200) are respectively installed at the sides of a plurality of opposite positions. The struts 200 extend a predetermined length in the vertical direction and a horizontal frame 201 is provided at the upper end. The horizontal frame 201 extends in the width direction of the road, and both ends thereof are fixed to the upper ends of the pillars 200.

The base portion 310 is provided with a receiving space 314 for accommodating the air tube 320 shrunk therein and the air tube 320 is extended to the outside when the air tube 320 is inflated A shutter member 312 provided on the main body 311 for opening and closing the protrusion 315 and a shutter member 312 provided on the main body 311 for opening and closing the air tube 315 through the air injection unit 330. [ (313) for controlling the shutter member (312) to open the protrusion (315) so that the air tube (320) protrudes to the outside of the main body (311) when the air is injected into the inside of the main body Respectively.

The main body 311 is fixed to the strut 200 at a position spaced upward from the ground by the fixing bracket 317. The main body 311 is provided with a protrusion 315 on one side opposite to the central portion of the road. The main body 311 is provided with a plurality of rails 316 so that the shutter plate 317 of the shutter member 312 described later can be moved to the left and right edges of the protrusion 315. The rail 316 extends vertically along the left and right edges of the protrusion 315 and the upper end of the rail 316 extends to the inside of the main body 311 along the ceiling of the main body 311.

The main body 311 is detachable from the unit body so that the cut-off unit 300 and the telescopic rod 400 installed therein can be easily repaired and replaced. The unit bodies are coupled to each other by a plurality of toggle clamps.

The shutter member 312 includes a plurality of shutter plates 317 that are inserted into the rails 316 at both ends so as to be movable along the rails 316 and are sequentially pivotally connected to each other, And includes a shutter drum 318 on which the shutter plates 317 are wound and a shutter driving unit (not shown) for rotating the shutter drum 318. Although not shown in the figure, the shutter plate 317 provided on the outermost side of the shutter drum 318 is provided with a predetermined weight (not shown) so that the shutter plate 317 can descend along the rail 316 to close the protrusion 315 (Not shown) is provided. The shutter drive unit is provided on the shutter drum 318 and is provided with an electric motor which is operated by the control unit 313 to rotate the shutter drum 318,

The control unit 313 rotates the shutter drum 318 such that the shutter plate 317 is wound around the shutter drum 318 when the air is injected into the air tube 320 through the air injecting unit 330, When the opening protrusion 315 is closed, the operation of the shutter driving unit is stopped so that the shutter plates 317 can be lowered along the rails 316 by the weight of the weight.

The air tube 320 includes a fixing plate 321 fixed to the base 310 and a fixing plate 321 installed on the fixing plate 321 to expand in a direction intersecting with the longitudinal direction of the supporting column 200, And a tube member 322 provided with a filling space 324.

The fixing plate 321 is provided inside the main body 311 at a position opposed to the protrusion 315 and is formed into a plate having a predetermined thickness. The fixing plate 321 has a discharge port 323 formed in the tube member 322 so as to discharge air in the filling space 324 at a position corresponding to the filling space 324.

The tube member 322 extends in a direction orthogonal to the longitudinal direction of the struts 200, is provided in a filling space 324 filled with air, and is formed so that one end face thereof is opened. One end of the tube member 322 is fixed to the fixing plate 321 so that the opened one end face can be closed. The tube member 322 protrudes out of the main body 311 when inflated and enters the main body 311 at the time of contraction. At this time, if the weight of the material of the tube member 322 is heavy, the end portion of the tube member 322 protrudes downward when protruded from the main body 311, and the vehicle may be damaged when the vehicle collides with the tube member 322. Therefore, the tube member 322 may be made of a flexible material such as nylon, As shown in Fig.

In addition, the tube member 322 is provided with a warning sign such as 'prohibition of entry' on the outer circumferential surface, and is formed such that its outer diameter decreases from one end to the other end. A plurality of guide rings 325 are provided inside the tube member 322 to guide the wires 501 of the shrinking unit 500 to be described later.

The guide ring 325 is formed in an annular shape having a hollow to allow the wire 501 to pass therethrough, and is supported on the inner surface of the tube member 322 by a plurality of support members. One end of the support member is fixed to the inner surface of the tube member 322 and the other end is fixed to the guide ring 325 to support the guide ring 325. The guide rings 325 are spaced from each other along the longitudinal direction of the tube member 322.

The air injection unit 330 includes a blower 331 installed in the fixing plate 321 and injecting air into the filling space 324 of the tube member 322. When the tube member 322 is contracted, the blower 331 operates in the reverse direction to discharge air from the filling space 324. [ At this time, it is preferable that a predetermined air pressure is maintained inside the tube member 322 to prevent the tube member 322 from hitting downward.

The blocking unit 300 includes an opening and closing member 340 for opening and closing the outlet 323, a guide pipe 350 for guiding the expansion of the tube member 322, (Not shown).

One end of the opening and closing member 340 is vertically rotatably mounted on a fixing plate 321 on the upper side of the discharge port 323 and the other end of the opening and closing member 340 has a larger area than the discharge opening 323 Closing plate 341 to prevent the opening and closing plate 341 from rotating when the pneumatic pressure in the filling space 324 is less than a preset pneumatic pressure, And a weight member 342 having a weight.

The discharge port 323 is closed by the opening and closing member 340 until the internal pneumatic pressure of the tube member 322 reaches a predetermined pneumatic pressure when the air is injected into the tube member 322 through the air injection unit 330 The tube member 322 expands. At this time, when the air pressure in the filling space 324 becomes the predetermined air pressure or more, the opening / closing member 340 opens the discharge port 323 and discharges the air in the filling space 324 to the outside so that the air pressure inside the tube member 322 It remains constant.

Although not shown in the drawing, the opening and closing member 340 is provided on the rotating shaft of the opening / closing plate 341 in place of the weight member 342, and the opening and closing member 341 is opened / closed so that the other end of the opening / closing plate 341 is in close contact with the holding plate 321 The plate 341 may be provided with a spring for providing an elastic force.

One end of the guide tube 350 is fixed to the fixing plate 321 to be inserted into the main body 311 and an inner space is formed so that the tube member 322 contracted inside can be received. The guide tube 350 extends in the direction crossing the longitudinal direction of the strut 200 so as to guide the expansion direction of the tube member 322 when the air is injected into the filling space 324, Is opened.

On the other hand, the other end edge of the guide pipe 350 is curved so as to be curved away from the center of the guide pipe 350 so as to prevent the tube member 322 from being caught during shrinkage or expansion.

Although not shown in the drawing, the danger detection unit includes a fire detection sensor installed inside the tunnel for detecting a fire inside the tunnel, and a gas detection sensor installed inside the tunnel for detecting toxic gas inside the tunnel. At this time, the controller 313 controls the air injection unit 330 and the shutter 320 so that the air tube 320 protrudes outside the main body 311 when a fire occurs and toxic gas is introduced into the tunnel through the fire detection sensor and the gas detection sensor, The member 312 is operated.

In the example shown in the drawing, two blocking units 300 are installed in each strut 200, but the number of the blocking units 300 is not limited to the illustrated example but may be a width of a road or a size of a tunnel A plurality of such units may be installed.

The stretchable rod 400 is fixed to the fixed plate 321 and includes a fixed pipe 401 extending along the longitudinal direction of the tube member 322 and a plurality of slidable And a tube (402).

The fixing pipe 401 is installed to penetrate the fixing plate 321 at a position corresponding to the filling space 324 of the tube member 322 and the supporting tube 402 can be inserted into the end portion (Not shown) is formed in the receiving groove. The receiving groove extends along the longitudinal direction of the fixing pipe 401.

One end of the support tube 402 is inserted into the receiving groove of the fixing tube 401 so as to be drawn into the filling space 324 of the tube member 322 and extends a predetermined length along the longitudinal direction of the tube. In addition, the support tube 402 has an inlet groove (not shown) so that the support tube 402 adjacent to the other end can be inserted. The inlet grooves extend along the longitudinal direction of the support tube 402.

The other end of the support tube 402 provided at the outermost position with respect to the fixed tube 401 is fixed to one of the guide rings 325 of the tube member 322. At this time, it is preferable that the other end of the support tube 402 is installed on a guide ring 325 provided at a position corresponding to the edge of the road when the tube member 322 expands. The end of the support pipe 402 is installed on the guide ring 325 at a position corresponding to the edge of the road so that the vehicle does not contact the support pipe 402 even if the vehicle collides with the tube member 322, Thereby preventing the vehicle from being damaged.

The support tubes 402 are pulled out of the fixing tube 401 when the tube member 322 expands and enter the fixing tube 401 when the tube member 322 contracts. The above-described stretchable rod 400 supports the tube member so that the tube member 322 is not bent downward by weight at a position adjacent to the main body 311 at the time of retraction.

The shrinking unit 500 includes a wire 501 fixed to the other end of the air tube 320 opposite to one end of the air tube 320 adjacent to the base 310, And the wire 501 is wound around the winding drum 502 when the air is drawn out from the filling space 324 and the wire 501 is wound around the winding drum 502. [ And a drum rotation unit 503 that rotates the winding drum 502 so as to rotate.

The wire 501 is inserted into the inside of the tube member 322 and passes through the fixing plate 321 and is fixed at one end to the guide ring 325 adjacent to the other end of the tube member 322. The wire 501 has a predetermined strength and is formed of a synthetic resin material such as nylon which is easily bent.

The winding drum 502 is rotatably installed in the main body 311, and the other end of the wire 501 is fixed to the outer circumferential surface, and the wire 501 is wound or unwound when rotated. The drum rotation unit 503 includes a drive motor 504 for generating a rotational force by an external power source, a first bevel gear (not shown) provided on the rotation shaft of the drive motor 504, And a second bevel gear (not shown) provided on the rotating shaft and engaged with the first bevel gear.

The drum rotating portion 503 rotates the winding drum 502 so that the wire 501 is wound to shrink the tube member 322 when air is discharged from the filling space 324 of the tube member 322. [ The other end of the tube member 322 is forcibly drawn into and accommodated in the main body 311 by the wire 501 wound around the winding drum 502.

The lamp module 600 includes a plurality of LEDs mounted on a fixing plate 321 corresponding to the filling space 324 of the tube member 322. The lamp module 600 irradiates light into the tube member 322 to enhance the visibility of the tube member 322 at night when the tube member 322 expands. Although not shown in the drawing, the lamp module 600 may irradiate red light or illuminate the inside of the tube member 322 at predetermined intervals.

The vehicle entry / exit device 100 according to the present invention further includes a warning lamp unit 700 installed in the strut 200 and lighting a warning light 720 in a dangerous situation inside the tunnel.

The warning lamp unit 700 includes a warning sign 720 installed on the left and right horizontal frames 201 of the electric signboard 710 and a warning sign 720 provided adjacent to the warning sign 720, And a siren 730 installed in the horizontal frame 201 at a predetermined position to generate a warning sound. The electric signboard 710 displays a warning message such as 'entry prohibited', and is controlled by the control unit 313. The warning light 720 has a lamp which emits red light, and the operation of the warning light 720 is controlled by the control unit 313.

When a fire or toxic gas is detected in the tunnel from the danger detection unit, the electric signboard 710 displays a warning message, the warning light 720 is turned on, and the siren 730 generates a warning sound to the driver.

The operation of the vehicle entry / exit device 100 constructed as described above will be described in detail as follows.

And transmits a detection signal to the control unit 313 when a fire or toxic gas is detected in the tunnel through the danger detection unit. The control unit 313 receives the detection signal from the danger detection unit, and operates the shutter member 312, the air injection unit 330, and the warning light unit 700.

First, the shutter 318 is rotated by the control unit 313 so that the shutter plate 317 is wound around the shutter drum 318. The projection 315 of the main body 311 is opened by the rotation of the shutter drum 318. At this time, air is injected into the filling space 324 of the air tube 320 through the air injecting part 330. The air tube 320 protrudes in a direction crossing the longitudinal direction of the strut 200 by the air injected into the air injecting part 330. At this time, the lamp module 600 operates and irradiates light into the air tube 320, thereby improving the visibility of the air tube 320.

In addition, with the expansion of the air tube 320, the telescopic rod 400 is stretched in the direction crossing the longitudinal direction of the support pillars 200 and guides the expansion of the air tube 320. Since the extensible rod 400 is installed inside the air tube 320, it is advantageous to prevent foreign matter from sticking to the outer circumferential surface of the extensible rod 400 and disturbing the operation of the extensible rod 400.

When the risk element in the tunnel is removed, the blower 331 operates in the reverse direction to discharge the air in the air tube 320 to the outside. At this time. The shrinking unit 500 winds the wire 501 to the winding drum 502 to force the tube member 322 to shrink into the main body 311. When the control unit 313 stops the operation of the shutter driving unit, the shutter plate 317 is lowered by the weight of the weight to close the protrusion 315 of the main body 311. Since the protrusion 315 of the main body 311 is opened and closed by the shutter member 312, foreign matter is prevented from being stuck to the air tube 320 housed in the main body 311 or broken by foreign matter.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

100: Vehicle entrance blocking device
200: holding
300:
310: Base portion
311:
312:
313:
320: air tube
321: Fixing plate
322: tube member
330: air injection unit
340: opening / closing member
341: opening / closing plate
342: Weight member
350: guide tube
400: extensible rod
500: shrinking unit
501: wire
502: a winding drum

Claims (9)

A support which is installed on the side of a road adjacent to a tunnel or a bridge entrance;
The air conditioner according to any one of claims 1 to 3, wherein the air conditioner comprises: a base unit installed on the support; a filling space provided in the base unit to fill air therein; A shielding unit provided with a tube and an air injection unit for injecting air into the air tube;
Wherein the air tube is provided inside the air tube to prevent the air tube from being bent downward when contracted, the air tube being configured to be stretchable in a direction crossing the longitudinal direction of the strut, At least one telescopic rod provided at both ends of the base portion and the air tube so as to be stretched by the tube;
And a shrinking unit for forcibly shrinking the air tube when the air is drawn out from the filling space,
The shrinking unit includes a wire fixed to the other end of the air tube which is opposite to one end of the air tube adjacent to the base portion, a winding drum rotatably installed on the base portion, And a drum rotating part for rotating the winding drum so that the wire is wound on the winding drum when the air is drawn out from the filling space,
The air tube includes a fixing plate fixed to the base, a tube member installed in the fixing plate so as to be inflatable in a direction intersecting with the longitudinal direction of the support and having the filling space therein, A guide ring having an end fixed to the inner surface of the tube member and an end fixed to the guide ring so that the guide ring can be inserted into the guide ring, And a support member for supporting the support member,
Wherein the elastic rod is fixed to the fixing plate and extends along the longitudinal direction of the tube member, and is inserted into the fixed tube sequentially and slidably, and is extended from the fixing tube when the tube member is inflated, And a plurality of support tubes to be introduced into the fixed tube at the time of the operation,
Wherein an end portion of a support pipe provided outermost with respect to the fixed pipe among the plurality of support pipes is fixed to a guide ring provided at a position corresponding to an edge of the road at the time of inflation of the tube member among the guide rings. Entry blocking device. delete delete The method according to claim 1,
And a lamp module installed in the base to irradiate light into the air tube.
The method according to claim 1,
The base portion
A main body having a receiving space for accommodating the air tube shrunk therein and having a protrusion formed at one side thereof for protruding the air tube when the air tube is inflated;
A shutter member provided on the main body for opening and closing the protrusion,
And a control unit controlling the shutter unit so that the protrusion is opened so that the air tube protrudes to the outside of the main body when the air is injected into the air tube through the air injection unit. .
6. The method of claim 5,
Further comprising a warning lamp unit installed in the support and lighting a warning lamp when a dangerous situation occurs in the tunnel.
The method according to claim 1,
The blocking unit
And an inner space is provided at one end of the fixing plate so that the tube member shrunk therein can be accommodated therein. The inner space is provided in the longitudinal direction of the strut so as to guide the expansion direction of the tube member when air is injected into the filling space Further comprising: a guide pipe extending in a direction intersecting with the guide pipe, and the other end of which is opened.
The method according to claim 1,
Wherein the air tube is formed with a discharge port through which air in the filling space is discharged to the outside,
Wherein the blocking unit further comprises an opening and closing member that is installed in the air tube to close the outlet and opens the outlet when the pneumatic pressure in the filling space is equal to or higher than a predetermined pneumatic pressure.
9. The method of claim 8,
The opening /
One end of the air tube being rotatable in the up-and-down direction on the air tube above the discharge port, and the other end of the air tube being configured to close the discharge port,
And a weight member provided on the opening / closing plate and having a predetermined weight so as to prevent the opening / closing plate from rotating when the pneumatic pressure in the filling space is less than a preset pneumatic pressure.

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