KR20160141424A - Collision Test Apparatus - Google Patents

Collision Test Apparatus Download PDF

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Publication number
KR20160141424A
KR20160141424A KR1020150077059A KR20150077059A KR20160141424A KR 20160141424 A KR20160141424 A KR 20160141424A KR 1020150077059 A KR1020150077059 A KR 1020150077059A KR 20150077059 A KR20150077059 A KR 20150077059A KR 20160141424 A KR20160141424 A KR 20160141424A
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KR
South Korea
Prior art keywords
guide rail
bogie
collision
truck
moving
Prior art date
Application number
KR1020150077059A
Other languages
Korean (ko)
Inventor
마대국
조재진
윤성업
Original Assignee
(주)엠디코리아
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by (주)엠디코리아 filed Critical (주)엠디코리아
Priority to KR1020150077059A priority Critical patent/KR20160141424A/en
Publication of KR20160141424A publication Critical patent/KR20160141424A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/0078—Shock-testing of vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a collision test apparatus, and more particularly, to a collision test apparatus which includes a first bogie moving on a collision test object, a movement guide rail member guiding the first bogie to the collision test object, A second bogie for moving the bogie and a bogie driving device for moving the second bogie to increase the accuracy of the speed of the bogie impacted on the impact test object, simplify the weight adjustment operation in the test, The collision test time is shortened, and the collision of the bogie with the free movement of the collision test object minimizes the interference by the external force in the collision of the bogie, thereby improving the accuracy of the collision test.

Description

Collision Test Apparatus

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collision test apparatus, and more particularly, to a collision test apparatus that improves the accuracy of a collision test speed and enables an accurate collision test under various test conditions.

In general, a collision test apparatus using a vehicle is provided with a bogie which is accelerated forward along a rail, and such a bogie collides with the bogie so as to confirm the state of the bogie after the bogie or mount a sensor on the bogie, .

An example of such a collision testing apparatus is disclosed in Korean Patent Laid-Open Publication No. 1998-045865 entitled " Vehicle Side Impact Test Balance Moving Device "

The 'vehicle side impact test carriage moving device' is a device that can move the bogie easily to the left and right so as to accurately collide the bogie with the collision position.

However, the above-mentioned 'vehicle lateral collision test carriage moving device' has a problem in that it is difficult to control the weight of the truck, and the collision speed can not be accurately controlled.

In addition, since the collision object directly collides with the collision object, there is a problem that the accuracy of the collision test is low due to the interference caused by the external force generated in the collision.

In addition, there is a problem in that a risk of a safety accident is high during the collision test due to the occurrence of a secondary collision with another structure and a neighboring worker due to unexpected movement due to impact after the collision with an automobile.

It is an object of the present invention to provide a collision testing apparatus which improves the accuracy of a collision test speed, enables accurate collision testing under various test conditions, and improves convenience and stability in testing.

In order to achieve the above object, a collision testing apparatus according to the present invention includes: a first bogie moving and colliding with a collision test object; a movement guide rail member guiding the first bogie to the impact test object; And a bogie driving device for moving the second bogie and the second bogie to move the bogie toward the impact test object.

In the present invention, the moving guide rail member may include a first main guide rail and a second main guide rail movably coupled to the wheels of the first truck, and spaced apart from each other.

In the present invention, the moving guide rail member may further include an auxiliary guide rail disposed between the first main guide rail and the second main guide rail toward the collision object body, And a release-preventing wheel portion movably coupled to the rail.

The present invention may further include a safety fence member disposed upright on both sides of the moving guide rail member.

In the present invention, the second bogie may include a wheel movably coupled to the moving guide rail member.

In the present invention, the bogie driving device includes a first timing pulley disposed on one side of the moving guide rail member and mounted on the first rotating shaft and rotated, a second timing pulley disposed on the other side of the moving guide rail member, A second timing pulley mounted on the first timing pulley, a second timing pulley mounted on the first timing pulley, a driving motor connected to the first rotation shaft to rotate the first rotation shaft, one end wound on the first timing pulley and the other end wound on the second timing pulley, And a timing belt to which the driving force of the first timing pulley is transmitted to the second timing pulley and which is moved in an endless track and to which the second bogie is connected.

In the present invention, the driving motor may be a servo motor.

The drive control unit may further include a drive control unit for controlling the operation of the bogie driving device according to the present invention, wherein the drive control unit divides the moving interval of the second bogie into an acceleration period, a constant velocity period and a deceleration period, Can be separated from the second bogie so as to freely move and collide with the collision test object.

The present invention has the effect of increasing the accuracy of the speed of a bogie impacted on a collision test object, simplifying the weight control operation in the test, improving the convenience of the collision test time and shortening the collision test time.

The present invention has the effect of improving the accuracy of the collision test by minimizing the interference caused by the external force at the time of collision with the bogie by collision with the collision test object in free motion.

The present invention has the effect of preventing secondary collision after a bogie impacts a collision test object, greatly improving stability in a collision test, and enabling a stable collision test.

1 is a plan view showing a collision testing apparatus according to the present invention;
2 is a side view showing a collision test apparatus according to the present invention
3 is a front view showing a collision test apparatus according to the present invention.
4 to 6 are plan views showing an embodiment in which a collision test is performed by the collision test apparatus according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to the detailed description of the present invention, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

2 is a side view showing an embodiment of a collision test apparatus according to the present invention. FIG. 3 is a cross-sectional view of a collision test apparatus according to an embodiment of the present invention. And Fig.

1, the collision testing apparatus according to the present invention includes a first truck 10 which collides with a collision test object 1, and the first truck 10 is moved to a moving guide rail member 20 And is moved toward the collision object 1.

 The collision test apparatus according to the present invention further includes a weight 50 for controlling the collision load carried on the first truck 10 so that the total weight of the first truck 10, 1) can be adjusted according to the collision test conditions.

That is, in the collision test apparatus according to the present invention, the weight 50 mounted on the first truck 10 can be freely changed to have a weight suitable for the collision test conditions, thereby simplifying the weight adjustment operation in the collision test, The preparation time of the collision test time can be shortened.

The moving guide rail member 20 includes a first main guide rail 21 and a second main guide rail 22 that are spaced apart from each other and the impact test object 1 has a first main guide rail 21, (21) and the second main guide rail (22) and disposed between the first main guide rail (21) and the second main guide rail (22) at the end side of the second main guide rail And collide with the first truck 10 moving along the second main guide rail 22.

The first truck 10 is provided with a first left wheel portion 11 which is movably engaged with the first main guide rail 21 on one side and the second main guide rail 22 The first left wheel part 11 and the first right wheel part 12 are connected to the first main guide rail 21 and the second main guide rail 12, (22) so as to prevent the collision test object (1) from colliding after collision.

The moving guide rail member 20 further includes an auxiliary guide rail disposed between the first main guide rail 21 and the second main guide rail 22 toward the impact test object 1 And a release preventing wheel portion 13 movably coupled to the auxiliary guide rail 23 at a lower portion of the first truck 10.

The separation preventing wheel portion 13 is rotated in a state coupled to the auxiliary guide rail 23 to enable the first truck 10 to move and the first truck 10 is moved to the collision test object 1 The first main guide rail 21 and the second main guide rail 22 are prevented from being separated from the first main guide rail 21 and the second main guide rail 22.

That is, the auxiliary guide rail 23 and the separation preventing wheel portion 13 are separated from the rail after the first truck 10 collides with the collision test object 1 and collide with other nearby structures or workers Thereby preventing the occurrence of a secondary collision accident.

The collision test apparatus according to the present invention further includes a safety fence member 70 erected on both sides of the moving guide rail member 20 so that the first truck 10 is placed on the impact test object 1 It is desirable to protect other structures and workers around the moving guide rail member 20 even when the moving guide rail member 20 is detached from the moving guide rail member 20 due to an impact upon impact,

Meanwhile, the first truck 10 is pushed by the second truck 30 moved by the truck driving device 40 and moves along the moving guide rail member 20.

The second bogie 30 includes a wheel that is movably coupled to the moving guide rail member 20. More specifically, the second bogie 30 includes a first main guide rail 21, And a second right wheel part 32 is provided on the other side and moves along the second main guide rail 22 so that the second left wheel part 31 and the second left wheel part 31 The second right wheel 32 and the second right wheel 32 move in a state of being engaged with the first main guide rail 21 and the second main guide rail 22, Push to move.

The first truck 10 is pushed by the second truck 30 and separated from the second truck 30 and moves freely to collide with the collided test object 1. [

The bogie driving device (40) includes a first timing pulley (41) disposed on one side of the moving guide rail member (20) and mounted on the first rotating shaft and rotated;

A second timing pulley (42) disposed on the other end side of the moving guide rail member (20) and mounted on the second rotation shaft and rotated;

A driving motor (43) connected to the first rotating shaft and rotating the first rotating shaft; And

One end is wound on the first timing pulley 41 and the other end is wound on the second timing pulley 42 to transmit the driving force of the first timing pulley 41 to the second timing pulley 42, And a timing belt 44 to which the second truck 30 is connected.

The first timing pulley 41, the second timing pulley 42 and the timing belt 44 are provided on both ends of the first rotation shaft and the second rotation shaft, respectively, It is desirable to allow stable movement.

The bogie driving device 40 may further include a gear box 45 for transmitting the rotational force of the driving motor 43 to the first rotational shaft.

The second carriage 30 is mounted on the timing belt 44 and moves along the movement guide rail member 20 by an endless track movement of the timing belt 44.

The bogie driving device 40 can accurately control the moving speed of the second bogie 30 by moving the second bogie 30 through the timing belt 44. In addition, The traveling speed of the first carriage 10 moved by the first bogie 10 can be accurately controlled according to the collision test conditions.

It is preferable that the driving motor 43 is a servo motor so that the moving speed of the second bogie 30 can be controlled more accurately and the moving speed of the first bogie 10 Of the first truck 10 can be controlled more accurately according to the collision test conditions.

The collision testing apparatus according to the present invention may further include a drive control unit 60 for controlling the operation of the bogie driving device 40. The driving control unit 60 may control the bogie driving device 40, The first bogie 10 is separated from the second bogie 30 in the deceleration period C by dividing the acceleration bogie A into the acceleration section A, the constant velocity section B and the deceleration section C, (D) to collide with the moving object (1).

The first bogie 10 is separated from the second bogie 30 and moves freely in a state of being separated from the second bogie 30 moved by the bogie driving device 40, Since it collides with the object 1 to be collided, the interference caused by the external force generated during the collision is minimized to improve the accuracy of the collision test.

For example, the drive control unit 60 is connected to the servo motor, and controls the rotational speed of the servo motor to control the moving speed of the second carriage 30. [

4 to 6 are plan views showing an embodiment in which a collision test is performed by the collision test apparatus according to the present invention. FIG. 4 shows an example in which the second bogie 30 moves in the acceleration section A, 5 shows an example in which the second bogie 30 moves in the constant velocity section B and Fig. 6 shows an example in which the second bogie 30 moves in the deceleration section C .

4, the drive control unit 60 accelerates the moving speed of the second bogie 30 to the target speed during the collision test in the acceleration period A, Is pushed by the second bogie (30) and moves at the same speed as the second bogie (30).

5, when the moving speed of the second bogie 30 reaches an accelerated target speed, the drive control unit 60 controls the second bogie 30 to perform a collision test at the constant speed section B At this time, the first truck 10 is pushed by the second truck 30 and moves at the same speed as the second truck 30, that is, at the target speed during the collision test.

6, when the second bogie 30 travels a predetermined distance, that is, after passing through the constant velocity section B, enters the deceleration section, the drive control section 60 controls the speed of the second bogie 30 . At this time, the first truck 10 continuously moves to the target speed during the collision test by the inertia and is separated from the decelerated second truck 30 and moves freely (D), and then the collision test object 1 is impacted It will be done.

The present invention improves the accuracy of the speed of a bogie impacted on the impact test object (1), simplifies the weight control operation in the test, improves the convenience of the impact test time and shortens the impact test time.

The present invention improves the accuracy of the collision test by minimizing the interference caused by the external force at the collision with the bogie test object (1).

The present invention prevents a secondary collision after a bogie impacts on a crash test object (1), thereby greatly improving stability in a crash test and enabling a stable crash test.

As described above, an optimal embodiment has been disclosed in the drawings and specification. 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 of the invention, The scope should be determined by the technical idea of the appended claims.

1: Collision test object 10: 1st truck
11: first left wheel part 12: first right wheel part
13: anti-departure wheel 20: moving guide rail member
21: first main guide rail 22: second main guide rail
23: Auxiliary guide rail 30: Second carriage
31: second left wheel part 32: second right wheel part
40: Balance drive device 40a:
40b: second rotation shaft 41: first timing pulley
42: second timing pulley 43: drive motor
44: timing belt 45: gear box
50: heavy body 60:
70: Safety fence member

Claims (8)

A first truck that moves and collides with a collision test object;
A movement guide rail member for guiding the first truck to the impact test object;
A second bogie pushing the first bogie to move toward the impact test object; And
And a bogie driving device for moving the second bogie. The method according to claim 1,
Wherein the moving guide rail member includes a first main guide rail and a second main guide rail movably coupled to the wheels of the first truck and spaced apart from each other. The method of claim 2,
Wherein the moving guide rail member further includes an auxiliary guide rail disposed between the first main guide rail and the second main guide rail toward the collision object body, Further comprising a release-preventing wheel portion that is coupled to the vehicle body. The method according to claim 1,
Further comprising a safety fence member disposed upright on both sides of the moving guide rail member. The method according to claim 1,
Wherein said second bogie comprises a wheel movably coupled to said motion guide rail member. The method according to claim 1,
The above-
A first timing pulley disposed on one side of the moving guide rail member and mounted on the first rotating shaft and rotated;
A second timing pulley disposed on the other end side of the moving guide rail member and mounted on the second rotation shaft and rotated;
A driving motor connected to the first rotating shaft to rotate the first rotating shaft; And
And a timing belt wound around the first timing pulley at one end and wound around the second timing pulley to transmit the driving force of the first timing pulley to the second timing pulley and move along an endless track, Wherein the collision test apparatus comprises: The method of claim 6,
Wherein the drive motor is a servo motor. The method of claim 6,
Further comprising a drive control unit for controlling the operation of the bogie driving device,
The driving control unit divides the moving section of the second truck into an acceleration section, a constant speed section, and a deceleration section, so that the first truck is separated from the second truck in the deceleration section, Wherein the collision test apparatus comprises:
KR1020150077059A 2015-06-01 2015-06-01 Collision Test Apparatus KR20160141424A (en)

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Application Number Priority Date Filing Date Title
KR1020150077059A KR20160141424A (en) 2015-06-01 2015-06-01 Collision Test Apparatus

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Application Number Priority Date Filing Date Title
KR1020150077059A KR20160141424A (en) 2015-06-01 2015-06-01 Collision Test Apparatus

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107702877A (en) * 2017-09-25 2018-02-16 王宗 A kind of outdoor anti-collision type ground fire hydrant crashworthiness experimental rig
CN108507742A (en) * 2017-02-28 2018-09-07 长城汽车股份有限公司 Vehicle impact simulation test device and its test method
KR102396483B1 (en) * 2021-11-12 2022-05-12 주식회사 동아테크 Simulation experience system and method for collision accident

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507742A (en) * 2017-02-28 2018-09-07 长城汽车股份有限公司 Vehicle impact simulation test device and its test method
CN108507742B (en) * 2017-02-28 2020-04-10 长城汽车股份有限公司 Automobile collision simulation test device and test method thereof
CN107702877A (en) * 2017-09-25 2018-02-16 王宗 A kind of outdoor anti-collision type ground fire hydrant crashworthiness experimental rig
KR102396483B1 (en) * 2021-11-12 2022-05-12 주식회사 동아테크 Simulation experience system and method for collision accident

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