KR101538950B1 - Vehicle crash impact absorbing apparatus for the road tunnel repairing maintenance - Google Patents

Vehicle crash impact absorbing apparatus for the road tunnel repairing maintenance Download PDF

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Publication number
KR101538950B1
KR101538950B1 KR1020150062001A KR20150062001A KR101538950B1 KR 101538950 B1 KR101538950 B1 KR 101538950B1 KR 1020150062001 A KR1020150062001 A KR 1020150062001A KR 20150062001 A KR20150062001 A KR 20150062001A KR 101538950 B1 KR101538950 B1 KR 101538950B1
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KR
South Korea
Prior art keywords
moving
rack bar
automobile
fixed
collision
Prior art date
Application number
KR1020150062001A
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Korean (ko)
Inventor
김홍호
성기철
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수자원기술 주식회사
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Priority to KR1020150062001A priority Critical patent/KR101538950B1/en
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Publication of KR101538950B1 publication Critical patent/KR101538950B1/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

An automobile collision mitigation apparatus for maintenance and repair of road tunnels according to the present invention is an apparatus for absorbing and alleviating an impact generated when a vehicle collides with an automobile which is installed on a road tunnel entrance or a wall surface of a tunnel, A moving table 112 having a fixing table 111 to be fixed in position and a guide groove 114 formed in a recessed shape so as to be guided movably in the fixing table 111; A first cushioning part (110) provided with an elastic member (115) interposed between the moving base and the moving base to elastically support the moving base (112) to one side so as to absorb a forward impact force generated when the moving base collides with the car; A moving blade 122 that is slidably assembled to a groove formed in an inclined surface of the fixed blade 121 provided on both left and right outer side surfaces of the moving table 112, A first rack bar 123 extended from the first rack bar 123 and moved in a direction orthogonal to the moving direction of the moving bar 112 and a second rack bar 123 connected to the first rack bar 123 via a gear part 126, A second rack bar 124 which is moved in a direction opposite to the moving direction of the claw 123 and a side buffer 125 which is provided at one end of the second rack bar 124 and faces the side of the automobile A second buffer part (120) for preventing a departure of a path after collision of an automobile in contact with a side surface of the automobile when the moving table is moved by the impact of the automobile; And a control unit.

Figure R1020150062001

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle collision-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for absorbing and mitigating an impact caused by a collision with an automobile when installed in an entrance of a road tunnel or a side wall of a tunnel, The vehicle is damaged and the passenger is safe. At the same time, a vehicle whose impact force has been mitigated after collision with the vehicle is completely stopped in a lateral direction without stopping, or a passenger who does not wear a seat belt is moved outside the vehicle through the window of the door And more particularly, to a vehicle collision mitigation apparatus for maintenance of road tunnels capable of reducing maintenance and maintenance costs.

Generally, the automobile is absorbed from the impact energy of the automobile before it collides with the structure on the road, such as a junction of a road for automobile exclusive use, a tunnel or an underground automobile entrance, a front of a freeway, a highway junction, And to set up a safety facility that stops or corrects the direction of the car and returns it to the original driving lane. Such a safety facility has a function of allowing the driver to easily grasp the position of the dangerous object and to take appropriate actions such as reducing the driving speed of the vehicle or changing the vehicle.

The safety facilities having the above functions are mainly made of iron or synthetic resin and fixedly installed. When the automobile crashes, the safety facilities absorb the collision energy while the safety facilities are fixed, The facilities are severely damaged and must be replaced promptly to prepare for the next car accident.

In this way, even if the vehicle collides only once, the safety facilities are damaged so much that the safety facilities are used in a disposable manner.

Also, in the case of a vehicle colliding with a fixed safety facility as described above, much damage is caused by the collision energy, and passengers on the vehicle are also seriously injured.

(Patent Document 1) KR10-0631185 B1

Patent Document 1 discloses a vehicle collision mitigating apparatus capable of minimizing damage to a safety facility as well as damage to a vehicle colliding with a safety facility or injuring passengers aboard the vehicle by absorbing and compensating for collision energy generated when a vehicle collides, And road safety facilities such as

However, such a conventional automobile mitigation device can absorb the impact force generated when a vehicle collides with an automobile off-road, so that the forward impact force transmitted to the driver and the passenger onboard the automobile can be recovered. However, The passengers who have not worn the seatbelt through the windows of the two doors are separated from the automobile by the occurrence of the second accident by causing the second collision with the other facilities as the vehicle departs.

The object of the present invention is to provide a vehicle collision mitigation apparatus for maintenance and repair of road tunnels, which absorbs an impact force after a collision when a frontal collision with an automobile occurs at an entrance of a road tunnel, Which is capable of preventing a vehicle whose impact force is relaxed after collision with an automobile from being completely deflected in a lateral direction without stopping or being prevented from being released to the outside of the automobile through a window of a door without wearing a seatbelt And to provide a vehicle collision mitigation apparatus for maintenance of road tunnel maintenance.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. It can be understood.

In order to achieve the above object, the present invention provides an automobile collision mitigation apparatus for maintenance and repair of road tunnels, which absorbs and mitigates impact generated when a vehicle collides with an automobile off the road, A movable base having a fixed base, a movable base having a guide groove formed so as to be guided movably in the fixed base, and an elastic member interposed between the fixed base and the movable base to elastically support the movable base in one direction, A moving blade which is slidably assembled to a groove formed in an inclined surface of a fixed blade provided on both the left and right outer sides of the moving table, and a second blade which absorbs a forward impact force generated in a lateral direction from the moving blade, A first rack bar extended and moved in a direction perpendicular to the moving direction of the moving band, A second rack bar which is connected to the first rack bar via a gear part and moves in a direction opposite to the moving direction of the first rack bar and a side buffer provided at one end of the second rack bar and facing a side surface of the automobile, A second cushioning portion contacting the side surface of the automobile when jumping the movable block due to the collision, thereby preventing the path from departing after a collision of the automobile; And a control unit.

The gear portion may include a first pinion gear meshed with a first spur gear of the first rack bar, a second pinion gear meshed with a second spur gear of the second rack bar, And a third pinion gear disposed and meshed with the gear.

The side buffer may include a vertical plate coupled to one side of the second rack bar and a cushioning member disposed on the other side of the vertical plate and contacting a side surface of the vehicle.

Further, the vertical plate includes a bracket to which a hinge pin assembled to a pin hole formed at one end of the second rack bar is coupled.

The first and second rack bars may include first and second bending plates that are fixed to a base or a bottom surface of the first and second rack bars so as to guide the horizontal movement of the first and second rack bars.

Preferably, the first and second rack bars are inserted into the elongated holes formed in the body, and the lower ends of the first and second lever racks are fixed to the base or the bottom surface to guide the horizontal movement of the first and second lever bars. .

The present invention configured as described above has the following effects.

(1) The second rack bar is horizontally moved in the direction opposite to the horizontal movement direction of the first rack bar by the external force generated in the collision between the automobile which is out of the traveling road in the road tunnel and the moving platform assembled to the fixed platform Since the side buffer provided on the second rack bar comes into contact with the side surface of the vehicle, it is possible to prevent the vehicle, which collides with the moving table, from completely deviating from the safety path after the collision, , It is possible to prevent the damage to the facilities in the tunnel, thereby reducing the maintenance cost of the facilities.

(2) According to the present invention, a passenger or a passenger who does not wear a seat belt is detached to the outside of a vehicle through a broken window by a side buffer, which is brought into contact with both sides of the vehicle, To prevent secondary human accidents and safety accidents.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of a vehicle collision mitigation apparatus for maintenance of a road tunnel according to a preferred embodiment of the present invention;
2 is an exploded perspective view illustrating an automobile collision mitigation apparatus for maintenance of a road tunnel according to a preferred embodiment of the present invention.
3 is a plan view showing a state before an automobile collision in an automobile collision mitigation apparatus for maintenance of a road tunnel according to a preferred embodiment of the present invention,
4 is a plan view showing a state of a vehicle after collision in an automobile collision mitigation apparatus for maintenance of a road tunnel according to a preferred embodiment of the present invention.

An automobile collision mitigation apparatus for road tunnel maintenance according to the present invention having the above-described object will be described with reference to the drawings.

As shown in FIGS. 1 to 4, an automobile collision mitigation apparatus 100 for maintenance of a road tunnel according to a preferred embodiment of the present invention includes a collision avoiding apparatus 100 for collision with an automobile that leaves a roadway at an entrance of a road tunnel, The first buffer part 110 and the second buffer part 120 so as to absorb and alleviate the collision of the vehicle and to prevent the vehicle from getting out of the collision path or departing from the path.

The first buffering part 110 includes a fixing table 111 and a moving table 112. The fixing table 111 is a fixed structure having a bottom end fixed on the bottom surface and a convex body, The fixing base 111 has fixing bolts 113 formed on both sides of the lower portion of the body lower end thereof with a plurality of fastening holes 113a through which the fastening members are inserted to be fixed to the base 119 or the bottom surface, 112) is a moving member having a guide groove (114) formed to be in contact with a convex body above the fixing table (111) and formed so as to be able to guide and move upon collision with an automobile.

The movable stand 112 may be made of a rubber material or a resin material so that one side of the movable stand 112 is opened to be coupled to the fixed stand and the other side of the movable stand 112 is hermetically closed,

Between the fixing table 111 and the moving table 112, there is provided an elastic member 115 for elastically supporting the moving table 112, which is in contact with the front bumper of the vehicle, so as to absorb an impact force generated when the vehicle collides with the vehicle. ) Can be disposed.

Accordingly, when an automobile outside the traveling road collides with the front surface of the moving table, the impact force generated when the vehicle collides with the vehicle is firstly absorbed by the elastic member 115 shaped like a coil spring between the moving table and the fixing table, At the same time, the moving base 112 is moved by the guide groove coupled to the fixing base, so that the impact force generated in the case of a car crash can be absorbed and absorbed by the second order.

Therefore, it is possible to alleviate the impact force transmitted to the automobile, thereby reducing the damage of the automobile and alleviating the impact force transmitted to the driver and the passenger boarding the automobile, thereby reducing human accidents and safety accidents.

The second cushioning part 120 is provided with a fixed blade 121, a moving blade 122, and a third blade 123 so as to prevent a deviation from a path after a collision with an automobile in contact with both left and right sides of the automobile when the moving table is moved by the impact of the automobile. The first and second rack bars 123 and 124 and the side buffer 125. The fixed blade 121 includes a substantially triangular blade plate member integrally provided on both left and right sides of the moving table 112, The fixed blade 121 has a groove 121a formed on the inclined surface of the fixed blade 121 so as to be assembled with a coupling step 122a formed on an inclined surface of the moving blade 122, A wing plate member having a substantially triangular shape and having a coupling step 122a assembled to an inclined surface of the fixed blade that is moved in a jolt movement with the table.

Accordingly, when the fixed blade 121 is moved in the direction A in one direction along with the movable blade 112 which is moved in a jolting motion with the automobile, the fixed blade 121 moves in the inclined direction along the inclined surface of the moving blade The moving blade 122 is moved in a direction perpendicular to the moving direction of the moving table 112 so as to be away from both sides of the moving table due to an external force for moving the moving table in a collision with the automobile, C direction.

The first rack bar 123 is formed of a bar member having a predetermined length, one end of which is connected to the moving blade and extends a certain length in the lateral direction from the moving blade, and a gear portion 126 And the second rack bar 124 has a first spur gear 123a which is engaged with the first rack bar 123a via a gear part 126 composed of a plurality of pinion gears 126a, 126b, And a second spur gear 124a which is gear-meshed with the gear portion 126 is formed on one side surface of the first spur gear 123a corresponding to the first spur gear 123a, ).

The gear portion 126 is engaged with the first pinion gear 126a which is engaged with the first spur gear 123a of the first rack bar 123 and the second pinion gear 126a of the second rack bar 124, And a third pinion gear 126c which is disposed between the first pinion gear 126a and the second pinion gear 126b and meshed with the outer circumferential surface of the third pinion gear 126c And the first, second and third pinion gears 126a, 126b and 126c of the gear portion 130 are rotatably assembled to the base 119 and a plurality of gear pins 126d, As shown in Fig.

The first and second rack bars 123 and 124 are disposed parallel to each other at regular intervals. The first and second rack bars 123 and 124 are spaced apart from each other by the base 119 so as to smoothly move in opposite directions due to an external force, And first and second bending plates (127, 128) fixed at both ends of the bottom surface to guide the horizontal movement of the first and second rack bars.

Here, the first and second lever bars 123 and 124 are constrained to be movable in the horizontal direction by the base 119 or the first and second bent plates 127 and 128, However, the present invention is not limited to this, but may be applied to the first and second lever rails 123 and 124 by horizontally inserting the first and second lever rails 123 and 124 into at least two recessed fins, So that it can be moved.

Accordingly, when the first rack bar 123 moves in the direction C away from the moving direction along with the moving blade moving in the lateral direction at the time of moving the moving table 112 which is collided with the automobile, The second pinion gear 126b and the gear-engaged second rack bar 124 are rotated by the gear portion 130 composed of the first and second pinion gears 126a, 126b, and 126c, And is horizontally moved in the direction D, which is the opposite direction to the direction C, which is the moving direction of the first rack bar 123.

One side of the second rack bar 124 is provided with a side buffer 125 facing the opposite side of the vehicle that is to be collided with the moving base 112. The side buffer 125 is provided on the second side And a cushioning member 125b provided on the other side of the vertical plate and contacting the side surface of the automobile.

The vertical plate 125a includes a bracket 125d to which a hinge pin 125c assembled to a pin hole formed at one end of the second rack bar 124 is coupled so that the vertical plate 125a can rotate about the hinge pin It is preferable to be assembled.

One end of the second rack bar 124 is fixed to one side of the side buffer 125 so that the contact between the side buffer and the side surfaces of the vehicle can be made more stable, And an upper horizontal bar 129 disposed in parallel with the second rack bar in a vertical direction on the upper portion of the second rack bar 124.

Accordingly, when the second rack bar 124 is moved in a direction opposite to the moving direction of the first rack bar 123 by the external force generated when the vehicle collides with the moving base, It is possible to prevent the vehicle which is in contact with the moving table from approaching the path completely after collision.

At the same time, the side buffer 125, which is in contact with the doors of both sides of the automobile, prevents the passenger or the passenger who does not wear the seat belt from being detached to the outside of the automobile through the broken window of the door, .

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

110: first cushion unit, 111: fixed base,
112: moving base, 113: fixed coupling jaw,
114: guide groove, 115: elastic member,
120: second buffer part, 121: fixed blade,
122: moving wing, 123: first rack bar,
124: second rack bar, 125: side buffer,
126: gear portion, 126a, 126b, 126c: first, second and third pinion gears
127, 128:

Claims (6)

There is provided an apparatus for absorbing and mitigating an impact generated at a road tunnel entrance or a side of a tunnel,
An apparatus for absorbing and alleviating an impact caused by a collision with an automobile,
A moving table 112 having a fixed table 111 on which a lower end is fixed to the bottom surface and a guide groove 114 formed in a recessed shape so as to be guided movably in the fixed table 111; A first buffer part 110 interposed between the moving part 112 and the elastic part 115 for elastically supporting the moving part 112 to one side to absorb a front impact force generated when the moving part is collided with the vehicle;
A moving blade 122 that is slidably assembled to a groove formed in an inclined surface of the fixed blade 121 provided on both left and right outer side surfaces of the moving table 112, A first rack bar 123 extended from the first rack bar 123 and moved in a direction orthogonal to the moving direction of the moving bar 112 and a second rack bar 123 connected to the first rack bar 123 via a gear part 126, A second rack bar 124 which is moved in a direction opposite to the moving direction of the claw 123 and a side buffer 125 which is provided at one end of the second rack bar 124 and faces the side of the automobile A second buffer part (120) for preventing a departure of a path after collision of an automobile in contact with a side surface of the automobile when the moving table is moved by the impact of the automobile; Wherein the collision mitigation device for a vehicle for maintenance of a road tunnel is provided.
The method according to claim 1,
The gear portion 126,
The first spur gear 123a of the first rack bar 123 and the first pinion gear 126a of the second rack bar 124 are engaged with the second spur gear 126b of the second rack bar 124, , And a third pinion gear (126c) disposed between the first and second pinion gears (126a, 126b) and gear-meshed with the first and second pinion gears (126a, 126b).
The method according to claim 1,
The side buffer (125)
A vertical plate 125a coupled to one side of the second rack bar 124 and a cushioning member 125b provided on the other side of the vertical plate and contacting a side surface of the vehicle, Automobile collision mitigation device for maintenance.
The method of claim 3,
The vertical plate 125a,
And a bracket (125d) to which a hinge pin (125c) assembled to a pin hole formed at one end of the second rack bar (124) is coupled.
5. The method according to any one of claims 1 to 4,
The first and second lever bars (123, 124)
And a first and a second bending plates fixed to both the base (119) and the floor so as to guide the horizontal movement of the first and second rack bars.
5. The method according to any one of claims 1 to 4,
The first and second lever bars (123, 124)
And at least two restraining pins which are inserted into the elongated holes formed in the body and are fixed to the base (119) or the bottom surface so that the lower ends thereof are fixed to guide the horizontal movement of the first and second lever bars Automobile collision mitigation device for maintenance of tunnel maintenance.
KR1020150062001A 2015-04-30 2015-04-30 Vehicle crash impact absorbing apparatus for the road tunnel repairing maintenance KR101538950B1 (en)

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KR1020150062001A KR101538950B1 (en) 2015-04-30 2015-04-30 Vehicle crash impact absorbing apparatus for the road tunnel repairing maintenance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102389223B1 (en) 2021-10-29 2022-05-12 세안이엔씨 주식회사 SYSTEM FOR MAINTENANCE OF TUNNEL BASED ON IoT

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073729A (en) * 1993-06-15 1995-01-06 Sekisui Jushi Co Ltd Vehicle collision buffer body
KR100530955B1 (en) * 2005-08-12 2005-11-25 (주)천일기술단 Apparatus of impact suction using road
KR100541259B1 (en) * 2005-09-21 2006-01-10 주식회사 선진엔지니어링 종합건축사 사무소 A vehicle extraordinary stop equipment used road
KR100645869B1 (en) * 2006-08-22 2006-11-15 주식회사 동호 Apparatus of emergency stopping using road

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073729A (en) * 1993-06-15 1995-01-06 Sekisui Jushi Co Ltd Vehicle collision buffer body
KR100530955B1 (en) * 2005-08-12 2005-11-25 (주)천일기술단 Apparatus of impact suction using road
KR100541259B1 (en) * 2005-09-21 2006-01-10 주식회사 선진엔지니어링 종합건축사 사무소 A vehicle extraordinary stop equipment used road
KR100645869B1 (en) * 2006-08-22 2006-11-15 주식회사 동호 Apparatus of emergency stopping using road

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102389223B1 (en) 2021-10-29 2022-05-12 세안이엔씨 주식회사 SYSTEM FOR MAINTENANCE OF TUNNEL BASED ON IoT

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