KR101053878B1 - Road Shock Absorber - Google Patents

Abstract

The present invention relates to a shock absorbing device for a road, and more specifically, it is installed in front of a fixed structure on a road, such as a central divider or a guide rail, which is installed at a junction, a tunnel, an entrance of a tunnel or an underground driveway, a pier, an access road, and the like. The present invention relates to a road shock absorber for protecting a vehicle and a driver at the same time by absorbing a shock in the event of a crash of the vehicle.

The present invention provides a shock absorbing device for a road including a collision block, a diaphragm, a support frame and a plurality of circular rod-shaped guide members installed between the diaphragm and the support frame, wherein the wear is formed on the outer circumferential surface of the guide member in a screw shape. An additional portion is formed, and at one end of the guide member, a shock absorbing member for absorbing shock while wearing the wear part is installed.

Shock absorber, road, wear part, shock absorber, screw

Description

Shock absorption apparatus for road {Shock absorption apparatus for road}

The present invention relates to a shock absorbing device for a road, and more specifically, it is installed in front of a fixed structure on a road, such as a central divider or a guide rail, which is installed at a junction, a tunnel, an entrance of a tunnel or an underground driveway, a pier, an access road, and the like. The present invention relates to a road shock absorber for protecting a vehicle and a driver at the same time by absorbing a shock in the event of a crash of the vehicle.

Recently, the number of traffic accidents is increasing day by day due to the rapid expansion of traffic volume due to the expansion of economic scale and the increase of income and the high speed of road traffic due to the improvement of vehicle performance. Among them, the number of car accidents is increasing rapidly statistically. .

Therefore, when the fixed structure is located on the road, a shock absorber is installed in front of the structure to prevent the accident of the driver and severe damage of the vehicle in the event of a collision due to the driver's carelessness. It is installed at the starting point of the central divider or guide rail installed at the branch point or access road of the bridge, or at the lower part of the pier or the entrance of the underground tunnel.

In general, the conventional shock absorbers are installed by stacking a plurality of tires in front of the structure or by placing the tires suspended from the side of the structure, such a shock absorber is simply tied with a string of 5 to 10 tires to guardrail or concrete In front of the structure, when the vehicle collision occurs, the tire is thrown out and interferes with the safe operation of other vehicles, but rather there is a problem of further expanding the safety accident.

In order to solve this problem, various shock absorbing devices have been devised in recent years, the general configuration of which is provided with a collision block provided with a shock absorbing member for primarily absorbing a shock during a vehicle collision, and is installed at the rear of the collision member Comprising a diaphragm and a support frame fixed to the ground and positioned in the rear end of the shock absorbing device and a plurality of annular bar-shaped guide member installed between the diaphragm and the support frame, between the diaphragm and the support frame The buffer means of various structures are located, most of the buffer means using the elastic force of the spring is used.

However, in the case of using the spring as a shock absorber as described above, when the vehicle collides, the risk of secondary accidents due to the spring's elastic repulsion is not only high, but also a separate device for controlling the spring's elastic repulsion is required. There is a problem that the cost for manufacturing the absorber is expensive.

In addition, even in the case of conventional shock absorbers using other shock absorbing means, the configuration is complicated, and there is a problem in that it is difficult to manufacture and difficult to maintain.

The present invention has been made to solve the above problems, an object of the present invention is to form a wear portion consisting of a screw on the outer circumferential surface of the guide member and by the absorption of the shock by the wear of the wear portion to cause additional accidents due to the repulsive force during the crash accident The present invention provides a shock absorber for a road that does not.

In addition, the present invention has another object to provide a shock absorbing device for the road that can be absorbed in the event of a crash accident in a simple configuration to prevent severe damage to the vehicle or injury to the driver, as well as to reduce the manufacturing cost. .

In addition, the present invention is another object to provide a shock absorbing device for the road that can be maintained and repaired only by replacement of the guide member not only easy maintenance but also reduce the cost and time required for maintenance and repair. .

The present invention for achieving the above objects,

In the road shock absorbing device comprising a collision block, a plate, a support frame and a plurality of circular rod-shaped guide member installed between the plate and the support frame, the outer peripheral surface of the guide member is formed with a wear portion of the screw shape One end of the guide member is characterized in that the shock absorbing member for absorbing the shock while the wear portion is worn.

At this time, the shock absorbing member is characterized in that the pipe made of a special steel material.

In addition, the front end of the guide member is formed with a bent portion penetrating the diaphragm toward the ground, and the bent portion is fixed to the ground by a fixing means.

Here, the shock absorbing member is inserted into the outer circumferential surface of the rear guide member of the diaphragm, characterized in that to wear the wear portion formed on the outer circumferential surface of the guide member while being pushed back with the diaphragm when an accident occurs.

At this time, the height of the thread forming the wear portion is characterized in that the higher from the front to the rear.

In addition, the pitch interval of the thread forming the wear portion is characterized in that it is widened from the front to the rear.

In addition, the wear portion is characterized in that consisting of protrusions of the trapezoidal or rectangular shape is formed repeatedly.

In addition, the rear end of the guide member is characterized in that it is fixed to the support frame by a coupling means.

On the other hand, the diaphragm is provided between the collision block and the support frame a number, characterized in that the diaphragm is formed integrally with the reinforcing plate is formed through holes through which the guide member penetrates.

In addition, an auxiliary guide member having a wear portion formed in a screw shape is installed on an outer circumferential surface between any one of the plurality of diaphragms and the support frame, and the front end portion of the auxiliary guide member is fixed to the diaphragm by a coupling means, and the rear end portion is provided. Characterized in that installed through the support frame.

In addition, a pipe-shaped auxiliary shock absorbing member is inserted and coupled to the rear outer peripheral surface of the auxiliary guide member, and when the accident occurs, the auxiliary guide member is pushed to the rear side with the diaphragm and passes through the auxiliary shock absorbing member to the outer peripheral surface of the guide member. The formed wear portion is characterized in that the wear.

And, the coupling means is characterized in that consisting of a nut is coupled to the end of the wear portion made of a screw shape, and a washer installed between the nut and the support frame or diaphragm.

According to the road shock absorbing device according to the present invention, by forming a screw-shaped wear on the outer circumferential surface of the guide member and by absorbing the wear of the wear portion to absorb the shock in the event of a crash, the impact in the event of a crash accident with a simple configuration It can be absorbed sequentially to prevent severe damage to the vehicle or injury to the driver, and also has an excellent effect of preventing additional accidents caused by the repulsive force in the event of a collision.

In addition, according to the present invention, since the configuration of the shock absorbing device is simple, the manufacturing cost is low, and the maintenance and repair of the shock absorbing device is possible only by replacing the guide member. And the effect of reducing the time.

Hereinafter, with reference to the accompanying drawings will be described in detail preferred embodiments of the road shock absorber according to the present invention.

1 is a perspective view showing a road shock absorber according to the present invention, Figure 2 is a side view showing a road shock absorber according to the present invention, Figure 3 (a) ~ (c) is a view shown in FIG. 'A' is a partially enlarged cross-sectional view showing an embodiment of the guide member of the invention, Figure 4 is a side view showing another embodiment of the road shock absorber according to the present invention, Figure 5 (a) ~ (c) is an accident Side cross-sectional view showing a shock absorbing process of the road shock absorbing device according to the present invention when it occurs, Figure 6 is an enlarged cross-sectional view showing the main action of the shock absorbing member and the guide member of the present invention shown in FIG.

The present invention is installed in front of the fixed structure on the road, such as the central divider or guide rail installed in the entry point, pier, driveway, etc. of the entry point, tunnel or underground driveway to absorb the impact in the event of a collision outside the normal driving route to protect the facility In addition, the present invention relates to a road shock absorber (100) which protects a vehicle and a driver. And a plurality of round bar-shaped guide members 40 installed between the support frame 30.

In more detail, the collision block 10 is intended to primarily absorb shock during a vehicle crash, and a shock absorbing member (not shown) is provided inside the collision block 10, and the driver may easily at night outside the front. Reflective paper or reflective lamps of various shapes may be provided to recognize the collision absorbing device 100.

Next, the diaphragm 20 is installed at the rear of the collision member 10 and serves to transmit to the rear while mitigating the impact transmitted from the collision member 10, the diaphragm 20 is the guide when a collision accident occurs In order to prevent the member 40 from being bent or detached by the impact and at the same time to more smoothly relieve the impact, it is preferable that a plurality of members are provided between the collision member 10 and the support frame 30. In addition, the diaphragm 20 is integrally formed with a reinforcing plate 24 having a plurality of through-holes 22 through which the guide member 40 to be described later is inserted so that the diaphragm 20 is not easily damaged when a collision accident occurs. At the same time, it is configured to more efficiently alleviate the impact transmitted from the collision member (10). At this time, the through hole 22 is larger than the diameter of the guide member 40 is preferably so that the guide member 40 is not affected by the movement of the diaphragm 20 when a collision accident occurs.

In addition, the support frame 30 is positioned at the rear end of the shock absorbing device 100 and is fixed to the ground to support the shock absorbing device 100 so as not to be released in the event of a crash and finally absorb the shock. In the support frame 30, a plurality of coupling holes 34 to which the guide member 40 is coupled are formed, and a support member 32 made of an H beam or the like is provided on the rear surface of the support frame 30. It is preferable to be connected to be fixed to the ground to improve the support and structural strength of the support frame 30.

On the other hand, the guide member 40 is formed in the shape of a round bar is connected between the plate 20 and the support frame 30 located in the foremost, conventionally the guide member 40 is simply a spring for shock absorption Means for installing the guide or the shock absorbing device 100 during the crash, but only to serve as a guide so as not to be separated from being pushed forward or backward, in the present invention, the guide member 40 serves to absorb the shock during the crash.

In more detail, the guide member 40 is composed of a coupling portion 44 to which the shock absorbing member 50, which will be described later, is coupled, and a wear portion 42 having a screw shape protruding from an outer circumferential surface thereof. The shock absorbing member 50 coupled to the outer circumferential surface of the coupling part 44 will absorb the shock while wearing the wear part 42. That is, the shock absorbing member 50 has a pipe shape having an inner diameter slightly larger than the outer diameter of the coupling member 44 of the guide member 40, as shown in FIG. Since it is made of a material having a higher hardness than the material of the guide member 40, such as a special steel, when the collision occurs, it is pushed back together with the diaphragm 20, which can reduce the impact by wearing the wear part 42 of the guide member 40. Will be. At this time, the outer shape of the shock absorbing member 50 may be manufactured in various shapes such as circular, square, polygonal, etc., the outer diameter is made larger than the diameter of the through-hole 22 of the diaphragm 20, the impact absorbing member ( It is preferable to prevent the 50 from passing through the through hole 22.

At this time, the front end portion of the guide member 40, that is, the front end portion of the coupling portion 44, as shown in Figure 2, protruding outward of the diaphragm 20 to the horseshoe-shaped bent portion 46 toward the ground Is formed, and the end of the bent portion 46 is preferably fixed to the ground by a fixing means 48, such as a U-shaped bolt or U-shaped clamp, because the guide member 40 as described above This is because the guide member 40 is fixed to the ground in the event of a crash, the impact absorbing device 100 is separated from the risk of causing an additional accident and the shape of the guide member 40 can be changed. In addition, the other end, that is, the rear end of the guide member 40 passes through the coupling hole 34 of the support frame 30 and is fixed by the coupling means 60, which will be described in more detail. ) Is installed between the nut 62 and the nut 62 and the support frame 30 coupled to the outer circumferential surface of the guide member 40 before and after the coupling hole 34 of the support frame 30. It is preferable that the guide member 40 is not detached by the washer 64 so as to disperse the impact force generated in the crash accident by the washer 64 and to reinforce the tightening force of the nut 62.

In addition, the guide member 40 fixed to the ground as described above, as shown in Figure 2, it is preferably formed only on the bottom so that the vehicle is not damaged by the guide member 40 when an accident occurs.

In addition, the shock absorbing member 50 is inserted into the outer side of the engaging portion 44 of the guide member 40 located at the rear side of the diaphragm 20 located at the forefront, and the rear side together with the diaphragm 20 in the event of a collision. While absorbing by the wear of the screw-shaped wear portion 42 protruding on the outer peripheral surface of the guide member 40 to absorb the impact force.

Meanwhile, the wear part 42 formed on the outer circumferential surface of the guide member 40 may be manufactured in various shapes, as shown in FIG. 3. First, as shown in FIG. The height h of the thread forming a) is increased from the front to the rear, or as shown in FIG. 3 (b), the width of the screw constituting the wear part 42, that is, the pitch interval s, is from the front. It is possible to minimize the injuries of the driver and the damage of the vehicle by gradually widening toward the rear to gradually absorb the impact force generated during the crash. In addition, as shown in FIG. 3C, the shape of the wear part 42 worn by the shock absorbing member 50 may be manufactured in various shapes such as a trapezoid or a rectangle.

Next, according to another embodiment of the road shock absorbing device 100 according to the present invention, any one of the plurality of diaphragms 20 installed between the collision block 10 and the support frame 30 and the support frame ( Auxiliary guide member 70 is installed between 30, and an auxiliary shock absorbing member 80 is installed at the outer periphery of the end of the auxiliary guide member 70 located in front of the support frame 30 to generate a collision. It is configured to absorb the impact force more effectively and at the same time to absorb a stronger impact force.

In more detail, as shown in FIG. 4, an auxiliary guide member 70 is installed between any one of the plurality of diaphragms 20 and the support frame 30, and the auxiliary guide member 70 is a guide member. Unlike the 40, a wear portion 72 having a screw shape is formed at the front side, and a coupling portion 74 at which the auxiliary shock absorbing member 80 is coupled to the rear side is formed. That is, the front end of the auxiliary guide member 70 is fixed to any one of the plurality of plates 20 by the coupling means 60, the rear end passes through the coupling hole 34 formed in the support frame 30. To be protruded to the rear of the support frame 30 is installed between the diaphragm 20 and the support frame 40, the auxiliary shock absorbing member 80 is an auxiliary guide member located in front of the support frame 30 ( 70 is inserted into the outer peripheral surface of the engaging portion 74.

Therefore, when a collision accident occurs, as shown in (b) and (c) of FIG. 5, the auxiliary guide member 70 moves backward with the diaphragm 20, and the outer circumferential surface of the auxiliary guide member 70. Wear portion 72 formed in the wear is passing through the interior of the auxiliary shock absorbing member 74 is to absorb the shock.

Here, the coupling means 60 and the auxiliary shock absorbing member 80 is the same as the configuration of the coupling means 60 and the shock absorbing member 50 consisting of the bolt 62 and the washer 64 of the above-described embodiment in detail The description will be omitted. In addition, various means may be applied to the coupling means 60 in addition to bolts and washers, and a plurality of auxiliary guide members 70 may be installed between the diaphragm 20 and the support frame 30. .

In addition, a side for connecting the impact block 10 and the diaphragm 20 and the support frame 30 in the road shock absorbing device 100 according to the present invention to protect the internal components from external shocks at the same time Frame (not shown) and ceiling frame (not shown) may be installed to be folded in sequence from the front when a collision occurs, which is not intended to be claimed in the present invention will be omitted a detailed description.

Hereinafter, with reference to the accompanying drawings will be described in detail the process of absorbing the impact when the impact shock absorbing device 100 for a crash in accordance with the present invention.

First, as shown in (a) of FIG. 5, when the vehicle travels on the road and collides with the road shock absorbing device 100 according to the present invention, as shown in FIG. 5 (b), the collision block ( 10) is primarily absorbed by the shock and pushed backward while being in close contact with the fork (20) located in the foremost and is pushed backward with the fork (20). At this time, the shock absorbing member 50 located behind the diaphragm 20 located at the foremost pushes the diaphragm 20 to the rear with the diaphragm 20 and protrudes on the outer peripheral surface of the guide member 40. Absorbing the shock while wearing it can prevent the driver's injury and damage to the vehicle. In addition, the guide member 40 is fixed to the bottom of the diaphragm 20 so as not to damage the crashed vehicle to prevent the shock absorber 100 including the diaphragm 20 at the same time to prevent the separation of the shock absorbing device 100. By doing so, it is possible to prevent further secondary accidents.

On the other hand, when the speed at which the vehicle collides with the shock absorber 100 is large, the impact block 10 and the diaphragm 20 are shown in FIG. 5C because the impact force applied to the shock absorber 100 is large. As described above, the rearmost support frame 30 may be pushed. In this case, not only the shock absorbing member 50, but also the auxiliary shock absorbing member 80 installed on the upper portion of the diaphragm 20 absorbs the shock and the vehicle and Injury of the driver can be prevented. In more detail, when the collision speed of the vehicle is large, the collision block 10 may be pushed from the front to the third partition 20. At this time, the above-described shock absorbing member 50 absorbs the impact and at the same time the third diaphragm. The auxiliary guide member 70 fixed to the upper portion of the 20 is pushed backward simultaneously with the third diaphragm 20, and the thread-shaped wear part 72 formed on the outer circumferential surface of the auxiliary guide member 70 has an auxiliary shock absorbing member ( 80 is worn while passing through the interior to absorb the shock is to be able to absorb the strong impact efficiently. In this case, the diaphragm 20 in which the auxiliary guide member 70 is installed may be selectively determined according to the speed limit of the road through which the vehicle passes, and the guide member 40 and the auxiliary guide member installed in the diaphragm 20 are provided. The number of 70 can also be variously modified according to the speed limit. That is, when the driving speed limit of the vehicle is large, such as a highway, the number of the guide member 40 and the auxiliary guide member 70 installed on the diaphragm 20 may be increased or the auxiliary guide member 70 may be positioned forward. By fixedly installing the diaphragm 20, the absorbable impact amount can be increased.

Therefore, according to the road shock absorbing device 100 according to the present invention, a wear portion 42 having a screw shape is formed on the outer circumferential surface of the guide member 40, and at the time of a collision accident due to wear of the wear portion 42. By absorbing the shock, it is possible to prevent the severe damage of the vehicle and the driver's injury by sequentially absorbing the impact in the event of a crash in a simple configuration, and to prevent additional accidents caused by the repulsive force in the event of a collision, By adjusting the number of the guide member 40 to be installed or by installing the auxiliary guide member 70 can easily adjust the size of the shock absorbable, the configuration of forming the shock absorbing device 100 is simple and the manufacturing cost is low Lifting, maintenance and repair of the shock absorbing device 100 is possible only by replacing the guide member 40, not only easy maintenance but also maintenance and repair It will have many advantages, such as capable of reducing the required costs and time.

Although the above embodiments have been described with respect to the most preferred examples of the present invention, it is not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications are possible without departing from the technical spirit of the present invention.

The present invention relates to a shock absorbing device for a road, and more specifically, it is installed in front of a fixed structure on a road, such as a central divider or a guide rail, which is installed at a junction, a tunnel, an entrance of a tunnel or an underground driveway, a pier, an access road, and the like. The present invention relates to a road shock absorber for protecting a vehicle and a driver at the same time by absorbing a shock in the event of a crash of the vehicle.

1 is a perspective view showing a road shock absorber according to the present invention.

Figure 2 is a side view showing a shock absorber for the road according to the present invention.

Figure 3 (a) to (c) is an enlarged cross-sectional view 'A' showing an embodiment of the guide member of the present invention shown in FIG.

Figure 4 is a side view showing another embodiment of the road shock absorber according to the present invention.

Figure 5 (a) ~ (c) is a side cross-sectional view showing a shock absorption process of the road shock absorber according to the present invention when an accident occurs.

Figure 6 is an enlarged cross-sectional view of the main portion showing the action of the shock absorbing member and the guide member of the present invention shown in FIG.

Explanation of symbols on the main parts of the drawings

10: collision block 20: diaphragm

22: through hole 24: reinforcing plate

30: support frame 32: support member

34: coupling hole 40: guide member

42, 72: wear part 44, 74: coupling part

46: bending portion 48: fixing means

50: shock absorbing member 60: coupling means

62: nut 64: washer

70: auxiliary guide member 80: auxiliary shock absorbing member

100: shock absorber

Claims (12)

In the road shock absorbing device comprising a collision block, a diaphragm, a support frame and a plurality of round bar-shaped guide member installed between the diaphragm and the support frame, On the outer circumferential surface of the guide member is formed a wear portion made of a screw shape, one side end of the guide member is provided with a shock absorbing member to absorb the shock while wearing the wear portion, The shock absorbing member is inserted and coupled to the outer peripheral surface of the rear guide member of the diaphragm, the impact absorbing device for a road, characterized in that to wear the wear portion formed on the outer peripheral surface of the guide member while pushing back with the diaphragm when an accident occurs. The method of claim 1, The shock absorbing member is a road shock absorbing device, characterized in that made of a special steel pipe shape. The method of claim 1, The front end of the guide member is formed with a bent portion penetrating through the diaphragm toward the ground, the bent portion is a shock absorbing device for the road, characterized in that the fixing is installed by the fixing means. delete The method of claim 1, The height of the thread forming the wear portion is a shock absorbing device for road, characterized in that the higher from the front to the rear. The method of claim 1, The pitch gap of the thread forming the wear portion is characterized in that the road shock absorber widens from the front to the rear. The method of claim 1, The wear part is a shock absorbing device for a road, characterized in that consisting of repeatedly formed trapezoidal or rectangular protrusions. The method of claim 1, The rear end of the guide member is a shock absorbing device for the road, characterized in that fixed to the support frame by a coupling means. The method of claim 1, The diaphragm is installed between the collision block and the support frame, the impact absorbing device for a road, characterized in that the diaphragm is formed integrally with a reinforcing plate formed with a through hole through which the guide member penetrates. The method of claim 9, An auxiliary guide member having a wear portion formed in a screw shape is installed on an outer circumferential surface between any one of the plurality of diaphragms and the support frame. A front end of the auxiliary guide member is fixed to the diaphragm by a coupling means, and a rear end of the support frame is provided. Road shock absorber, characterized in that installed to penetrate. The method of claim 10, A pipe-shaped auxiliary shock absorbing member is inserted and coupled to the rear outer circumferential surface of the auxiliary guide member, and in the event of an accident, the auxiliary guide member is pushed to the rear side with a diaphragm and passes through the auxiliary shock absorbing member, so that the wear formed on the outer circumferential surface of the guide member. Impact absorbing device for the road, characterized in that the wear. The method of claim 8 or 10, The coupling means is a shock absorbing device for a road, characterized in that consisting of a nut is coupled to the end of the wear portion made of a screw shape, the washer is installed between the nut and the support frame or diaphragm.

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