KR100235003B1 - Tester for the endurance of shock-absorber - Google Patents

Tester for the endurance of shock-absorber Download PDF

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Publication number
KR100235003B1
KR100235003B1 KR1019950047813A KR19950047813A KR100235003B1 KR 100235003 B1 KR100235003 B1 KR 100235003B1 KR 1019950047813 A KR1019950047813 A KR 1019950047813A KR 19950047813 A KR19950047813 A KR 19950047813A KR 100235003 B1 KR100235003 B1 KR 100235003B1
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South Korea
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shock absorber
rod
cup
test equipment
absorber
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KR1019950047813A
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Korean (ko)
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KR970048028A (en
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권철웅
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정몽규
현대자동차주식회사
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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
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/16—Elements for restraining, or preventing the movement of, parts, e.g. for zeroising
    • 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
    • G01M17/04—Suspension or damping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

본 발명은 쇽업소버의 내구력을 시험하는 장비에 관한 것으로서, 특히 적용 실제 도로 상황과 비슷한 조건하에서 시험을 함으로서써, 쇽업소버의 내구성을 보다 정확히 측정할 수 있게 한 쇽업소버 내구력 시험장비에 관한 것이다.The present invention relates to equipment for testing the durability of a shock absorber, and more particularly to a shock absorber durability test equipment that can be more accurately measured by the durability of the shock absorber by testing under conditions similar to the actual road conditions.

Description

쇽업소버 내구력 시험 장비Shock absorber durability test equipment

본 발명은 쇽업소버의 내구력을 시험하는 장비에 관한 것으로서, 특히 적용 실제도로 상황과 비슷한 조건하에서 시험을 함으로써, 쇽업소버의 내구성을 보다 정확히 측정할 수 있게 한 쇽업소버 내구력 시험장비에 관한 것이다.The present invention relates to equipment for testing the durability of a shock absorber, and more particularly to a shock absorber durability test equipment that can be more accurately measured by the durability of the shock absorber by testing under conditions similar to the actual conditions of application.

일반적으로 쇽업소버 개발시 시험장비 평가에서는 스펙대로 시험해도 아무 이상이 없는데, 실제 차량에 장착한 후 주행을 하게 되면 쇽업소버의 오일이 누출되는 경우를 종종 볼 수 있게 된다.In general, when developing shock absorbers, it is safe to test the specifications of the test equipment. When the vehicle is mounted on an actual vehicle, it is often seen that oil leaks in the shock absorber.

이는 시험장비 평가에서 주어지는 조건과 실차 상태에서 나타나는 조건의 차이에서 오는 현상으로서, 본 발명은 적용실제 도로상황과 비슷하게 꾸며 시험장비 평가의 정확성을 도모하고, 더 나아가서 효율적인 시험이 이루어질 수 있도록 하는데 그 안출의 목적이 있는 것이다.This is a phenomenon that comes from the difference between the conditions given in the evaluation of the test equipment and the conditions appearing in the actual vehicle condition. The present invention is similar to the actual road situation, and the accuracy of the test equipment evaluation is improved, and further, the efficient test can be made. There is a purpose.

제1도는 본 발명의 쇽업소버 내구력 시험장비를 나타내는 개략도.Figure 1 is a schematic diagram showing the shock absorber durability test equipment of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 쇽업소버 10a : 로드10: shock absorber 10a: rod

10b : 실린더 11 : 유압 액추에이터10b: Cylinder 11: Hydraulic Actuator

12 : 측방향 하중수단 13 : 컵12 lateral load means 13 cup

14 : 덮개 15 : 튜브14 cover 15 tube

16 : 고정블럭 17 : 롤러16: fixed block 17: roller

18 : 와이어 19 : 웨이트18: wire 19: weight

20 : 체결구20: fastener

이하, 첨부도면을 참조하여 본 발명을 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 쇽업소버(10)의 로드(10a)와 연결되어 이 로드를 반복해서 압축/인장시켜줄 수 있는 유압 액추에이터(11)와, 쇽업소버(10)에 가해지는 바퀴의 유동력을 대신해 줄 수 있는 측방향 하중수단(12)과, 쇽업소버(10)의 로드 인출/수납부위에 장착되면서 일정량의 흙을 포함하고 있는 컵(13) 및 덮개(14)와, 컵(13)의 내부로 공기를 불어 넣어줄 수 있는 튜브(15)와, 상기 유압 액추에이터(12)와 쇽업소버(10)를 고정시켜 줄 수 있는 고정블럭(16)으로 구성된 것을 특징으로 한다.The present invention can replace the hydraulic force of the hydraulic actuator (11) connected to the rod (10a) of the shock absorber (10) and the rod repeatedly applied to the shock absorber (10). The lateral load means 12, the cup 13 and the lid 14, which are mounted on the rod pull-out / receive portion of the shock absorber 10 and contain a certain amount of soil, and the air into the cup 13. It is characterized by consisting of a tube (15) that can be blown, and a fixed block (16) to fix the hydraulic actuator (12) and shock absorber (10).

특히, 상기 측방향 하중수단(12)은 쇽업소버(10)의 실린더(10b)에 일단 연결되는 동시에 다른 일단은 이곳으로부터 수평연장되면서 롤러(17)를 통하여 재차 수직연장되는 와이어(18)와, 이 와이어(18)의 수직 연장되는 끝단에 일체 연결되는 웨이트(19)로 이루어져 있다.In particular, the lateral load means 12 is connected to the cylinder 10b of the shock absorber 10 and at the same time the other end is horizontally extended from here while the wire 18 is vertically extended through the roller 17, The weight 18 is integrally connected to the vertically extending end of the wire 18.

이를 좀 더 상세히 설명하면 다음과 같다.This will be described in more detail as follows.

첨부도면은 본 발명에 따른 쇽업소버의 내구력을 시험하는 장비의 개략도이다. 여기서, 도면부호 11은 유압 액추에이터이다.The accompanying drawings are schematic diagrams of equipment for testing the durability of the shock absorber according to the present invention. Here, reference numeral 11 denotes a hydraulic actuator.

상기 유압 액추에이터(11)는 유압실린더를 의미하며, 상부 고정블럭(16)의 밑면에 지지되는 동시에 로드(11a)가 아래쪽을 향할 수 있도록 하면서 수직자세로 배치된다.The hydraulic actuator 11 refers to a hydraulic cylinder, which is supported on the bottom of the upper fixed block 16 and disposed vertically while allowing the rod 11a to face downward.

이때의 상기 로드(11a)에는 체결구(20)가 장착되어 있고, 여기서 후술하는 쇽업소버(10)의 로드(10a)를 연결할 수 있게 된다.At this time, the rod (11a) is fitted with a fastener 20, it is possible to connect the rod (10a) of the shock absorber 10 to be described later.

또한, 도면부호 12는 측방향 하중수단을 나타낸다.Further, reference numeral 12 denotes a lateral load means.

상기 측방향 하중수단(12)은 쇽업소버(10)가 실차에 설치된 상태에서 바퀴로부터 받은 좌우 흔들림을 그대로 재현해 주는 역할을 하게 된다.The lateral load means 12 serves to reproduce the left and right shake received from the wheel as the shock absorber 10 is installed in the vehicle.

즉, 쇽업소버(10)가 받는 측방향 하중을 대신할 수 있게 된다.In other words, it is possible to replace the lateral load that the shock absorber 10 receives.

이러한 측방향 하중수단(12)은 쇽업소버 전체를 일정거리를 두고 측방향에서 당길 수 있어 와이어(18)와 이때의 당김력에 해당하는 하중요소인 웨이트(19)로 구성된다.The lateral load means 12 is composed of a wire 19 and the weight 19 which is a load element corresponding to the pulling force at this time can pull the entire shock absorber in a lateral direction at a certain distance.

여기서, 상기 와이어(18)의 일단은 쇽업소버(10)의 실린더(10b)에 묶여지게 되고, 다른 일단은 일정길이 수평연장되다가 롤러(17)를 거쳐서 재차 수직연장되어 위치되며, 이렇게 위치된 와이어 끝단에 상기 웨이트(19)가 연결된다.Here, one end of the wire 18 is tied to the cylinder (10b) of the shock absorber 10, the other end is horizontally extended by a predetermined length and is again vertically positioned via the roller 17, the wire is located so The weight 19 is connected to the end.

이에 따라, 이 웨이트(19)에 의해 상기 쇽업소버(10)에는 항상 일정한 측방향 하중이 작용될 수 있게 된다.Accordingly, the weight 19 allows the shock absorber 10 to always be applied with a constant lateral load.

또한, 도면부호 13은 컵을 나타낸다.Reference numeral 13 denotes a cup.

상기 컵(13)은 쇽업소버(10)의 실린더(10b) 상단부에 장착되어 쇽업소버(10)의 로드(10a)가 수납/인출되는 부위를 감싸줄 수 있게 되며, 컵 내부에는 일정량의 흙(예컨대, 이때의 흙은 먼지크기 정도의 미세한 입자로 되어 있다)이 채워지게 된다.The cup 13 may be mounted on the upper end of the cylinder 10b of the shock absorber 10 to cover a portion in which the rod 10a of the shock absorber 10 is received / drawn. At this time, the soil is made of fine particles of the size of dust) is filled.

이때의 컵(13)은 상부가 덮개(14)로 밀폐되면서, 덮개(14)의 일측을 통해 연결되는 튜브(15)로부터 공기를 공급받을 수 있게 되어 있어서, 컵 내부의 흙이 공기 공급과 동시에 날리면서 유동될 수 있게 된다. 즉, 실제 주행조건을 거의 그대로 재현할 수 있게 된다.At this time, the cup 13 is sealed with the lid 14, the air can be supplied from the tube 15 connected through one side of the lid 14, so that the soil inside the cup at the same time as the air supply It can be flowed while flying. That is, the actual driving conditions can be almost reproduced as they are.

따라서, 시험대상 요소인 쇽업소버(10)는 하부고정블럭(16) 위에 하단체결부를 이용하여 바로 세워진 상태 즉, 업소버로드(10a)가 윗쪽으로 향하도록 한 상태로 설치되고, 이렇게 설치되는 쇽업소버(10)의 로드(10a)는 이것의 바로 윗쪽에 설치되어 있는 유압 액추에이터(11)의 체결구(20)와 일체 연결되어 함께 운동 가능한 상태가 되는 동시에 쇽업소버(10)의 실린더(10b)에는 웨이트(19)를 갖는 와이어(18)의 일단이 롤러(17)를 거쳐 수평연장 되어와서 실린더 몸체에 일체 연결된다.Therefore, the shock absorber 10, which is the element to be tested, is installed in a state in which the absorber rod 10a is erected upwardly using the lower fastening portion on the lower fixing block 16, so that the absorber rod 10a faces upward. The rod 10a of the 10 is integrally connected with the fastener 20 of the hydraulic actuator 11 provided directly above it, and becomes movable so that the rod 10a of the cylinder 10b of the shock absorber 10 can be moved. One end of the wire 18 having the weight 19 is horizontally extended via the roller 17 and integrally connected to the cylinder body.

이에 따라 쇽업소버(10)에는 웨이트(19)의 무게에 비례하는 정도의 측방향 하중이 항상 보상될 수 있게 된다.Accordingly, the shock absorber 10 can always be compensated for the lateral load of a degree proportional to the weight of the weight 19.

또한, 쇽업소버(10)의 실린더(10b) 상단부에는 컵(13)이 장착되고, 그 안에는 일정량의 흙이 채워지게 되는 동시에 튜브(15)를 갖는 덮개(14)가 덮혀지면서 밀폐될 수 있게 된다.In addition, the cup 13 is mounted on the upper end of the cylinder 10b of the shock absorber 10, and a certain amount of soil is filled therein, and the cover 14 having the tube 15 is covered and can be sealed. .

이렇게 쇽업소버를 포함하는 내구력 시험장비의 설치가 완료되면, 유압액추에이터(1)의 초당 4회 정도의 전후진 작동과 함께 쇽업소버(10)의 로드(10a)도 이에 비례한 상하운동을 반복하게 된다.When the installation of the endurance test equipment including the shock absorber is completed, the hydraulic actuator 1 moves back and forth about 4 times per second, and the rod 10a of the shock absorber 10 repeats the vertical movement in proportion thereto. do.

이와 같은 시험에서 업소버로드(10a)가 수납/인출되는 부위의 주변에는 미립자로 된 흙이 채워져 있고, 이때의 흙은 튜브(15)를 통해 공급되는 공기에 의해 컵 내부에서 요동칠 수 있도록 되어 있으므로, 로드 운동과 동시에 이때의 흙은 업소버실린더(10b) 내부로 침투할 가능성을 갖게 되고, 이러한 조건은 쇽업소버(10)를 실제 장착상태에서 주행할 때의 조건과 유사하게 되므로 보다 정확한 시험장비 평가의 결과를 얻을 수 있게 된다.In such a test, the soil of particulates is filled around the area where the absorber rod 10a is stored / drawn, and the soil at this time is allowed to swing inside the cup by the air supplied through the tube 15. At the same time as the rod movement, the soil has a possibility of infiltrating into the absorber cylinder 10b, and this condition is similar to the condition when the shock absorber 10 is actually driven in the mounted state. Results in

이상에서와 같이 본 발명은 쇽업소버의 내구시험을 실차 조건과 유사한 조건에서 할 수 있는 내구력 시험장비를 제공함으로써, 시험단계에서 쇽업소버의 내구성을 보다 정확히 예측할 수 있는 효과가 있다.As described above, the present invention provides an endurance test equipment capable of performing the endurance test of the shock absorber under conditions similar to the actual vehicle conditions, and thus has an effect of more accurately predicting the durability of the shock absorber in the test step.

Claims (2)

쇽업소버(10)의 로드(10a)와 연결되어 이 로드를 반복해서 압축/인장시켜줄 수 있는 유압 액추에이터(11)와, 쇽업소버(10)에 가해지는 바퀴의 유동력을 대신해 줄 수 있는 측방향 하중수단(12)과, 쇽업소버(10)의 로드 인출/수납부위에 장착되면서 일정량의 흙을 포함하고 있는 컵(13) 및 덮개(14)와, 컵(13)의 내부로 공기를 불어 넣어줄 수 있는 튜브(15)와, 상기 유압 액추에이터(12)와 쇽업소버(10)를 고정시켜 줄 수 있는 고정블럭(16)으로 구성된 것을 특징으로 하는 쇽업소버 내구력 시험장비.A hydraulic actuator 11 connected to the rod 10a of the shock absorber 10 to repeatedly compress / tension the rod and a lateral direction to replace the flow force of the wheels applied to the shock absorber 10. The air is blown into the interior of the cup 13, the cup 13 and the lid 14, which are mounted on the load means 12, the rod pull-out / receive portion of the shock absorber 10, and contain a certain amount of soil. Shock absorber endurance test equipment, characterized in that consisting of a fixed tube 16, which can be fixed to the tube 15, the hydraulic actuator 12 and the shock absorber (10). 제1항에 있어서, 상기 측방향 하중수단(12)은 쇽업소버(10)의 실린더(10b)에 일단 연결되는 동시에 다른 일단은 이곳으로부터 수평연장되면서 롤러(17)를 통하여 재차 수직연장되는 와이어(18)와, 이 와이어(18)의 수직 연장되는 끝단에 일체 연결되는 웨이트(19)로 이루어지는 것을 특징으로 하는 쇽업소버 내구력 시험장비.According to claim 1, wherein the lateral load means (12) is connected to the cylinder (10b) of the shock absorber (10) at the same time the other end of the wire extending vertically through the roller (17) while extending horizontally from here ( 18), and a shock absorber endurance test equipment comprising a weight (19) integrally connected to the vertically extending end of the wire (18).
KR1019950047813A 1995-12-08 1995-12-08 Tester for the endurance of shock-absorber KR100235003B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198165A (en) * 2014-07-10 2014-12-10 浙江吉利控股集团有限公司 Shock absorber durability testing device
CN107290144A (en) * 2017-07-06 2017-10-24 成都联创精密机械有限公司 A kind of vibration damper endurance test side force load maintainer
KR101942941B1 (en) 2018-07-25 2019-01-28 목포대학교산학협력단 Out-of-plane bending test apparatus and its test method
KR101954828B1 (en) * 2018-07-27 2019-06-11 목포대학교산학협력단 Out-of-plane bending test device and its testing method for fitted handrails

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198165A (en) * 2014-07-10 2014-12-10 浙江吉利控股集团有限公司 Shock absorber durability testing device
CN107290144A (en) * 2017-07-06 2017-10-24 成都联创精密机械有限公司 A kind of vibration damper endurance test side force load maintainer
KR101942941B1 (en) 2018-07-25 2019-01-28 목포대학교산학협력단 Out-of-plane bending test apparatus and its test method
KR101954828B1 (en) * 2018-07-27 2019-06-11 목포대학교산학협력단 Out-of-plane bending test device and its testing method for fitted handrails

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