WO2017179770A1 - Torsion testing apparatus - Google Patents

Torsion testing apparatus Download PDF

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Publication number
WO2017179770A1
WO2017179770A1 PCT/KR2016/008382 KR2016008382W WO2017179770A1 WO 2017179770 A1 WO2017179770 A1 WO 2017179770A1 KR 2016008382 W KR2016008382 W KR 2016008382W WO 2017179770 A1 WO2017179770 A1 WO 2017179770A1
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jig
specimen
movement means
test apparatus
rotary
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PCT/KR2016/008382
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French (fr)
Korean (ko)
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석창성
홍석우
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성균관대학교 산학협력단
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Publication of WO2017179770A1 publication Critical patent/WO2017179770A1/en

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    • 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
    • G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces

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  • the present invention relates to a torsion testing apparatus, and more particularly, it is possible to easily and simply configure the torsion testing apparatus using a single-axis universal tester to reduce the production cost, maintenance cost, and test cost as well as to the specimen. It relates to a torsion tester that can adjust the degree of torsional force to increase the reliability of the test results.
  • Torsion tests are performed to evaluate the torsional strength and torsional fatigue life of the material. That is, the torsional force is repeatedly applied to the specimen, and the number of cycles until the specimen is broken is measured.
  • This torsion test is generally performed by using a torsional test machine that can apply a torsional load on the specimen.
  • a hydraulic pump, a motor, a controller, etc. are required, which is expensive. There was a problem.
  • a tester that applies tensile, compressive and / or bending stress to a specimen or the like is used.
  • Such testers are generally referred to as Universal Testing Machines (UTMs).
  • FIG. 1 is a view showing an example of a conventional one-axis (Axial) universal testing machine.
  • the U-axis universal testing machine is used to fix the test piece between the main body and the cross head (C) located above the main body, the main body on which the actuator (A) is applied to impart tensile and compressive loads. It consists of a jig and the like.
  • an object of the present invention is to solve such a conventional problem, the torsion test can easily and simply configure the torsion test apparatus using a single-axis universal testing machine to reduce the production cost, maintenance cost and test cost In providing a device.
  • the object is, according to the present invention, drive means; Linear movement means connected to the driving means and linearly reciprocating by driving of the driving means; A rotary movement means connected to the linear movement means and rotated according to the operation of the linear movement means; And a fixed jig connected to the rotary jig to rotate in accordance with the rotation of the rotary jig, and a fixing jig positioned apart from the rotary jig and seated between the rotary jig and the jig.
  • Specimen seating means for receiving the torsional force of the specimen in accordance with the rotation; It is achieved by a torsion testing apparatus comprising a.
  • a speed conversion means for accelerating or decelerating the rotational force of the rotational movement means is further included.
  • the specimen mounting means is preferably configured to enable the adjustment of the interval between the rotating jig and the fixing jig.
  • the specimen seating means it is preferable to further include a measuring unit for measuring the torsional force of the specimen.
  • the drive means is an actuator of an axial universal testing machine (Axial) Universal testing machine, the linear movement means, the rack gear is connected to the actuator for linear reciprocating motion; And an LM guide mounted on the one-axis universal testing machine to guide linear reciprocation of the rack gear. It includes, wherein the rotation means is preferably configured to be a pinion gear meshed with the rack gear.
  • a torsion test apparatus can be easily and simply configured using a single-axis universal tester, thereby providing a torsion test apparatus that can reduce manufacturing cost, maintenance cost, and test cost.
  • the degree of torsional force applied to the specimen can be controlled to increase the reliability of the test results.
  • FIG. 1 is a view showing an example of a conventional single-axis universal testing machine
  • FIG. 2 is a block diagram briefly showing the configuration of a torsion test apparatus according to an embodiment of the present invention
  • Figure 3 is a perspective view showing the main portion of the torsion testing apparatus according to an embodiment of the present invention.
  • Figure 4 is a perspective view showing the main portion of the torsion test apparatus shown in Figure 3 from a different angle
  • FIG. 5 is an enlarged view of “A” shown in FIG. 4;
  • Figure 6 shows a state in which the torsion testing apparatus according to an embodiment of the present invention is applied to a single-axis universal testing machine.
  • Figure 2 is a block diagram showing a brief configuration of the torsion test apparatus according to an embodiment of the present invention.
  • Figure 3 is a perspective view showing the main portion of the torsion test apparatus according to an embodiment of the present invention
  • Figure 4 is a perspective view showing the main portion of the torsion test apparatus shown in Figure 3 from another angle
  • Figure 5 is An enlarged view of "A" shown.
  • Figure 6 shows a state in which the torsion test apparatus according to an embodiment of the present invention is applied to a single-axis universal testing machine.
  • the torsion test apparatus 100 is largely driven means 10 and linear movement means 20, the rotary movement means 30, the specimen seating means 40 And a speed converting means (50).
  • the driving means 10 is a component for generating a driving force for testing the specimen TP by using the torsion test apparatus 100 according to an embodiment of the present invention, and various driving force generators such as motors or actuators that are commonly used. Can be used.
  • the torsion test apparatus 100 is configured by using a universal testing machine (UTM), in particular, a single-axis universal testing machine as shown in FIG. Tester (UTM) actuators A may be used.
  • UPM universal testing machine
  • the linear movement means 20 is connected to the drive means 10 and is a component that linearly reciprocates by the driving means 10.
  • Torsion test apparatus 100 is configured using a single-axis universal testing machine (UTM), and thus receives a driving force from the actuator (A) of the single-axis universal testing machine (UTM) linear motion means ( 20) is activated.
  • UTM single-axis universal testing machine
  • the linear movement means 20 comprises a rack gear 22 and the LM guide (LM guide) 24.
  • the rack gear 22 is a part which is connected to the actuator A of the single axis universal testing machine (UTM) and performs a linear reciprocating motion.
  • UPM single axis universal testing machine
  • the LM guide 24 is a part mounted on the single-axis universal testing machine (UTM), and guides the linear reciprocating motion of the rack gear 22 to restrain the rack gear 22 to operate only in the up and down direction on the drawing.
  • UPM single-axis universal testing machine
  • the rack gear 22 and the LM guide 24 may use a known rack gear and LM guide commonly used.
  • the rotary motion means 30 is connected to the linear motion means 20, and is a component that rotates according to the motion of the linear motion means 20, that is, converts the linear motion of the linear motion means 20 into a rotary motion.
  • the torsion test apparatus 100 is configured by using a single-axis universal testing machine (UTM), but the single-axis universal testing machine (UTM) is a linear drive only in the vertical direction in the drawing, so the torsion test requiring rotational driving is performed. I can't do it.
  • UTM single-axis universal testing machine
  • the linear motion of the linear motion means 20, that is, connected to the rack gear 22 for reciprocating linear motion up and down on the drawing is configured to convert the linear motion of the rack gear 22 into a rotary motion That is, the torsion test can be performed through a single-axis universal testing machine (UTM) using a pinion gear that is meshed with the rack gear 22 as the rotary motion means 30.
  • UPM single-axis universal testing machine
  • Specimen seating means 40 is a component on which the specimen (TP) to be tested is mounted using the torsion test apparatus 100 according to an embodiment of the present invention, wherein a round bar type specimen is used.
  • the specimen mounting means 40 is a rotary jig 42 connected to the rotary motion means 30 to rotate in accordance with the rotation of the rotary motion means 30, and the rotary jig 42 is located away from the rotary jig 42 It is configured to include a fixing jig 44, the specimen (TP) is seated between the.
  • the fixing jig 44 is mounted to the base plate (B), which is a kind of workbench on which the torsion test of the specimen TP is performed, and the rotating jig 42 and the fixing jig 44 according to the rotation of the rotating jig 42.
  • Specimen (TP) seated in between is subjected to a torsional force, enabling torsional testing of the specimen (TP).
  • the specimen seating means that the specimen (TP) is seated 40 that is, the rotary jig 42 and the fixed jig 44 is preferably configured to be able to adjust the gap between each other.
  • the pair of long grooves H is formed on the base plate B so that the fixing jig 44 can slide along the longitudinal direction of the long grooves H.
  • the fixing jig 44 a separate fastening member (not shown) for fixing or releasing the fixing jig 44 to the base plate (B) so as to maintain a gap between the rotary jig 42, for example Fastening bolts may be provided.
  • States may include specimen fixing (not shown).
  • specimen fixing is preferably configured to be properly opened or narrowed according to the thickness of the specimen (TP).
  • test piece for measuring the torsional force applied to the specimen (TP) to the specimen mounting means 40 that is, the rotary jig 42, the fixed jig 44, or both the rotary jig 42 and the fixed jig 44 46 is included and configured.
  • the measurement unit 46 may be a torque sensor that is commonly used, in the present invention to place the measuring unit 46 in the fixing jig 44 to measure the torque added to the specimen (TP).
  • the speed conversion means 50 is provided between the rotary movement means 30 and the rotary jig 42.
  • the speed converting means 50 is a component that accelerates or decelerates the rotational force of the rotary motion means 30 and transmits it to the rotary jig 42.
  • a known speed reducer may be used.
  • the speed conversion means 50 is disposed on the base plate (B), is mounted on the shaft of the speed conversion means 50, the rotational movement means 30 that is meshed with the rack gear 22, that is, the number of revolutions of the pinion gear Will be adjusted.
  • the linear movement means 20 or the rotary movement means 30 flows to be separated from the torsion test apparatus 100 according to an embodiment of the present invention. It is preferable to install and use a linear bearing means 20, a support bearing (not shown) for supporting the rotary movement means 30 to prevent the thing.
  • the torsion test apparatus 100 is a torsion test apparatus that can easily and simply perform a torsion test of the specimen (TP) using a single-axis universal testing machine (UTM). 100) can be configured to reduce the production cost, maintenance cost and test cost.

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  • 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)
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Abstract

The present invention relates to a torsion testing apparatus, comprising: a driving means; a linear motion means; a rotational motion means; and a sample seating means. As a torsion testing apparatus can be easily and simply configured by using a single-axis universal testing machine, it is possible not only to reduce the manufacturing, maintenance and test costs, but also to adjust the degree of twisting force applied to a sample such that the reliability of a test result can be enhanced.

Description

비틀림 시험장치Torsion tester
본 발명은 비틀림 시험장치에 관한 것으로서, 더욱 상세하게는 1축 만능 시험기를 이용하여 쉽고 간단하게 비틀림 시험장치를 구성할 수 있어 제작비용이나 유지비용 및 시험비용을 절감할 수 있을 뿐만 아니라 시편에 가해지는 비틀림 힘의 정도를 조절 가능하여 시험 결과의 신뢰도를 높일 수 있는 비틀림 시험장치에 관한 것이다.The present invention relates to a torsion testing apparatus, and more particularly, it is possible to easily and simply configure the torsion testing apparatus using a single-axis universal tester to reduce the production cost, maintenance cost, and test cost as well as to the specimen. It relates to a torsion tester that can adjust the degree of torsional force to increase the reliability of the test results.
재료의 비틀림강도 및 비틀림 피로수명을 평가하기 위하여 비틀림 시험을 수행하게 된다. 즉, 시편에 반복적으로 비틀림 힘을 가하고, 시편이 파손될 때까지의 사이클 회수 등을 계측하는 것이다.Torsion tests are performed to evaluate the torsional strength and torsional fatigue life of the material. That is, the torsional force is repeatedly applied to the specimen, and the number of cycles until the specimen is broken is measured.
이러한 비틀림 시험은 시편에 비틀림 하중을 가할 수 있는 비틀림 시험기(Torsional Test Machine)를 사용하여 수행하는 것이 일반적인데, 이러한 비틀림 시험기를 구축하기 위해서는 유압펌프나 모터, 컨트롤러 등이 필요하여 많은 비용이 소요되는 문제점이 있었다.This torsion test is generally performed by using a torsional test machine that can apply a torsional load on the specimen. To build such a torsion tester, a hydraulic pump, a motor, a controller, etc. are required, which is expensive. There was a problem.
한편, 재료나 구조물의 강도·강성 등을 평가하기 위하여 시편 등에 인장, 압축 및/또는 굽힘 응력을 가하는 시험기가 사용되고 있다. 이러한 시험기는 일반적으로 만능 시험기(Universal Testing Machine; UTM)라고 불린다.On the other hand, in order to evaluate the strength, rigidity, and the like of materials and structures, a tester that applies tensile, compressive and / or bending stress to a specimen or the like is used. Such testers are generally referred to as Universal Testing Machines (UTMs).
도 1은 종래 1축(Axial) 만능 시험기의 일 예를 나타낸 도이다.1 is a view showing an example of a conventional one-axis (Axial) universal testing machine.
1축 만능 시험기(UTM)는 인장 및 압축 하중을 부여하기 위한 엑추에이터(A)가 설치되는 본체, 본체의 상측에 위치하는 크로스헤드(C), 본체와 크로스헤드(C) 사이에서 시편을 고정하기 위한 지그 등을 포함하여 이루어진다.The U-axis universal testing machine (UTM) is used to fix the test piece between the main body and the cross head (C) located above the main body, the main body on which the actuator (A) is applied to impart tensile and compressive loads. It consists of a jig and the like.
최근 들어, 만능 시험기를 이용하여 비틀림 시험 등 다양한 시험이 가능하도록 하는 시험기가 연구 및 개발되고 있다.Recently, a testing machine that enables various tests such as a torsion test using a universal testing machine has been researched and developed.
그러나, 이러한 시험기는 다수의 주변장치들이 필요하여 구성이 복잡하고, 크기도 크며, 소요되는 비용도 높은 단점이 있다.However, such a tester has a disadvantage in that a large number of peripherals are required, and thus the configuration is complicated, large, and high in cost.
따라서, 전술한 바와 같은 문제점이 보완된 비틀림 시험장치의 필요성이 대두되고 있다.Therefore, there is a need for a torsion test apparatus that has solved the above problems.
따라서, 본 발명의 목적은 이와 같은 종래의 문제점을 해결하기 위한 것으로서 1축 만능 시험기를 이용하여 쉽고 간단하게 비틀림 시험장치를 구성할 수 있어 제작비용이나 유지비용 및 시험비용을 절감할 수 있는 비틀림 시험장치를 제공함에 있다.Accordingly, an object of the present invention is to solve such a conventional problem, the torsion test can easily and simply configure the torsion test apparatus using a single-axis universal testing machine to reduce the production cost, maintenance cost and test cost In providing a device.
또한, 시편에 가해지는 비틀림 힘의 정도를 조절 가능하여 시험 결과의 신뢰도를 높일 수 있는 비틀림 시험장치를 제공함에 있다.In addition, to provide a torsion test apparatus that can adjust the degree of torsional force applied to the specimen to increase the reliability of the test results.
상기 목적은, 본 발명에 따라, 구동수단; 상기 구동수단에 연결되고, 상기 구동수단의 구동에 의해 직선 왕복운동하는 직선운동수단; 상기 직선운동수단에 연결되며, 상기 직선운동수단의 동작에 따라 회전되는 회전운동수단; 및 상기 회전운동수단의 회전에 따라 회전하도록 상기 회전운동수단에 연결되는 회전지그와, 상기 회전지그로부터 떨어져 위치하여 상기 회전지그와의 사이에 시편이 안착되는 고정지그를 포함하며, 상기 회전지그의 회전에 따라 상기 시편이 비틀림 힘을 받도록 하는 시편안착수단; 을 포함하는 비틀림 시험장치에 의해 달성된다.The object is, according to the present invention, drive means; Linear movement means connected to the driving means and linearly reciprocating by driving of the driving means; A rotary movement means connected to the linear movement means and rotated according to the operation of the linear movement means; And a fixed jig connected to the rotary jig to rotate in accordance with the rotation of the rotary jig, and a fixing jig positioned apart from the rotary jig and seated between the rotary jig and the jig. Specimen seating means for receiving the torsional force of the specimen in accordance with the rotation; It is achieved by a torsion testing apparatus comprising a.
여기서, 상기 회전운동수단과 상기 회전지그 사이에는, 상기 회전운동수단의 회전력을 가속 또는 감속시켜 상기 회전지그에 전달하는 속도변환수단이 더 포함되는 것이 바람직하다.Here, between the rotational movement means and the rotary jig, a speed conversion means for accelerating or decelerating the rotational force of the rotational movement means is further included.
여기서, 상기 시편안착수단은, 상기 회전지그와 상기 고정지그 사이 간격의 조절이 가능하게 구성되는 것이 바람직하다.Here, the specimen mounting means is preferably configured to enable the adjustment of the interval between the rotating jig and the fixing jig.
여기서, 상기 시편안착수단에는, 상기 시편의 비틀림 힘을 측정하는 측정부가 더 포함되는 것이 바람직하다.Here, the specimen seating means, it is preferable to further include a measuring unit for measuring the torsional force of the specimen.
여기서, 상기 구동수단은, 1축(Axial) 만능 시험기(Universal Testing Machine)의 엑추에이터이고, 상기 직선운동수단은, 상기 엑추에이터에 연결되어 직선왕복 운동하게 되는 랙 기어; 및 상기 1축 만능 시험기에 장착되어 상기 랙 기어의 직선왕복 운동을 가이드하는 엘엠가이드; 를 포함하며, 상기 회전운동수단은, 상기 랙 기어에 기어 맞물림 되는 피니언 기어인 것으로 구성되는 것이 바람직하다.Here, the drive means is an actuator of an axial universal testing machine (Axial) Universal testing machine, the linear movement means, the rack gear is connected to the actuator for linear reciprocating motion; And an LM guide mounted on the one-axis universal testing machine to guide linear reciprocation of the rack gear. It includes, wherein the rotation means is preferably configured to be a pinion gear meshed with the rack gear.
본 발명에 따르면, 1축 만능 시험기를 이용하여 쉽고 간단하게 비틀림 시험장치를 구성할 수 있어 제작비용이나 유지비용 및 시험비용을 절감할 수 있는 비틀림 시험장치가 제공된다.According to the present invention, a torsion test apparatus can be easily and simply configured using a single-axis universal tester, thereby providing a torsion test apparatus that can reduce manufacturing cost, maintenance cost, and test cost.
또한, 시편에 가해지는 비틀림 힘의 정도를 조절 가능하여 시험 결과의 신뢰도를 높일 수 있게 된다. In addition, the degree of torsional force applied to the specimen can be controlled to increase the reliability of the test results.
도 1은 종래 1축 만능 시험기의 일 예를 나타낸 도,1 is a view showing an example of a conventional single-axis universal testing machine,
도 2는 본 발명의 일 실시예에 따른 비틀림 시험장치의 구성을 간략하게 나타낸 블록도,Figure 2 is a block diagram briefly showing the configuration of a torsion test apparatus according to an embodiment of the present invention,
도 3은 본 발명의 일 실시예에 따른 비틀림 시험장치의 요부를 나타낸 사시도,Figure 3 is a perspective view showing the main portion of the torsion testing apparatus according to an embodiment of the present invention,
도 4는 도 3에 도시된 비틀림 시험장치의 요부를 다른 각도에서 나타낸 사시도,Figure 4 is a perspective view showing the main portion of the torsion test apparatus shown in Figure 3 from a different angle,
도 5는 도 4에 도시된 "A" 확대도,5 is an enlarged view of “A” shown in FIG. 4;
도 6은 본 발명의 일 실시예에 따른 비틀림 시험장치를 1축 만능 시험기에 적용한 상태를 나타낸 것이다.Figure 6 shows a state in which the torsion testing apparatus according to an embodiment of the present invention is applied to a single-axis universal testing machine.
이하, 첨부한 도면을 참조하여 본 발명의 일 실시예에 따른 비틀림 시험장치에 대하여 상세하게 설명한다. Hereinafter, a torsion test apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명의 일 실시예에 따른 비틀림 시험장치의 구성을 간략하게 나타낸 블록도이다. 또한, 도 3은 본 발명의 일 실시예에 따른 비틀림 시험장치의 요부를 나타낸 사시도이며, 도 4는 도 3에 도시된 비틀림 시험장치의 요부를 다른 각도에서 나타낸 사시도, 그리고 도 5는 도 4에 도시된 "A" 확대도이다. 한편, 도 6은 본 발명의 일 실시예에 따른 비틀림 시험장치를 1축 만능 시험기에 적용한 상태를 나타낸 것이다.Figure 2 is a block diagram showing a brief configuration of the torsion test apparatus according to an embodiment of the present invention. In addition, Figure 3 is a perspective view showing the main portion of the torsion test apparatus according to an embodiment of the present invention, Figure 4 is a perspective view showing the main portion of the torsion test apparatus shown in Figure 3 from another angle, and Figure 5 is An enlarged view of "A" shown. On the other hand, Figure 6 shows a state in which the torsion test apparatus according to an embodiment of the present invention is applied to a single-axis universal testing machine.
도 2 내지 도 6을 참조하면, 본 발명의 일 실시예에 따른 비틀림 시험장치(100)는 크게 구동수단(10)과 직선운동수단(20), 회전운동수단(30), 시편안착수단(40) 및 속도변환수단(50)을 포함하여 구성된다.2 to 6, the torsion test apparatus 100 according to an embodiment of the present invention is largely driven means 10 and linear movement means 20, the rotary movement means 30, the specimen seating means 40 And a speed converting means (50).
구동수단(10)은 본 발명의 일 실시예에 따른 비틀림 시험장치(100)를 이용하여 시편(TP)을 시험하기 위한 구동력을 발생시키는 구성요소로, 통상 사용되는 모터나 엑추에이터 등 다양한 구동력 발생장치를 사용할 수 있다.The driving means 10 is a component for generating a driving force for testing the specimen TP by using the torsion test apparatus 100 according to an embodiment of the present invention, and various driving force generators such as motors or actuators that are commonly used. Can be used.
이때, 본 발명에서는 도 6에 도시된 것과 같이 만능 시험기(Universal Testing Machine, UTM), 특히 1축 만능 시험기를 이용하여 비틀림 시험장치(100)를 구성하게 되며, 이에 따라 구동수단(10)은 만능 시험기(UTM) 엑추에이터(A)가 사용될 수 있다.At this time, in the present invention, the torsion test apparatus 100 is configured by using a universal testing machine (UTM), in particular, a single-axis universal testing machine as shown in FIG. Tester (UTM) actuators A may be used.
직선운동수단(20)은 구동수단(10)에 연결되고, 구동수단(10)의 구동에 의해 직선 왕복운동하는 구성요소이다.The linear movement means 20 is connected to the drive means 10 and is a component that linearly reciprocates by the driving means 10.
본 발명의 일 실시예에 따른 비틀림 시험장치(100)는 1축 만능 시험기(UTM)를 이용하여 구성되며, 따라서 1축 만능 시험기(UTM)의 엑추에이터(A)로부터 구동력을 전달받아 직선운동수단(20)이 동작하게 된다. Torsion test apparatus 100 according to an embodiment of the present invention is configured using a single-axis universal testing machine (UTM), and thus receives a driving force from the actuator (A) of the single-axis universal testing machine (UTM) linear motion means ( 20) is activated.
직선운동수단(20)은 랙 기어(22)와 엘엠가이드(LM guide, 24)를 포함하여 이루어진다.The linear movement means 20 comprises a rack gear 22 and the LM guide (LM guide) 24.
랙 기어(22)는 1축 만능 시험기(UTM)의 엑추에이터(A)에 연결되어 직선왕복 운동하게 되는 부분이다.The rack gear 22 is a part which is connected to the actuator A of the single axis universal testing machine (UTM) and performs a linear reciprocating motion.
엘엠가이드(24)는 1축 만능 시험기(UTM)에 장착되는 부분으로, 랙 기어(22)의 직선왕복 운동을 가이드하여 랙 기어(22)가 도면상 상하방향으로만 동작하게 구속한다.The LM guide 24 is a part mounted on the single-axis universal testing machine (UTM), and guides the linear reciprocating motion of the rack gear 22 to restrain the rack gear 22 to operate only in the up and down direction on the drawing.
이러한 랙 기어(22)와 엘엠가이드(24)는 통상 사용되고 있는 공지된 랙 기어와 엘엠가이드를 사용할 수 있다.The rack gear 22 and the LM guide 24 may use a known rack gear and LM guide commonly used.
회전운동수단(30)은 직선운동수단(20)에 연결되며, 직선운동수단(20)의 동작에 따라 회전, 즉 직선운동수단(20)의 직선운동을 회전운동으로 변환하게 되는 구성요소이다.The rotary motion means 30 is connected to the linear motion means 20, and is a component that rotates according to the motion of the linear motion means 20, that is, converts the linear motion of the linear motion means 20 into a rotary motion.
본 발명에서는 1축 만능 시험기(UTM)를 이용하여 비틀림 시험장치(100)를 구성하게 되는데, 이러한 1축 만능 시험기(UTM)는 도면상 상하 방향으로만 직선 구동하게 되므로 회전 구동이 필요한 비틀림 시험을 수행할 수가 없다.In the present invention, the torsion test apparatus 100 is configured by using a single-axis universal testing machine (UTM), but the single-axis universal testing machine (UTM) is a linear drive only in the vertical direction in the drawing, so the torsion test requiring rotational driving is performed. I can't do it.
이에, 본 발명에서는 직선운동수단(20)의 직선운동, 다시 말해서 도면상 상하로 왕복 직선운동하는 랙 기어(22)에 연결되어 랙 기어(22)의 직선운동을 회전운동으로 변환할 수 있는 구성, 즉 랙 기어(22)에 기어 맞물림 되는 피니언(Pinion) 기어를 회전운동수단(30)으로 사용하여 1축 만능 시험기(UTM)를 통해 비틀림 시험을 수행할 수 있게 된다.Therefore, in the present invention, the linear motion of the linear motion means 20, that is, connected to the rack gear 22 for reciprocating linear motion up and down on the drawing is configured to convert the linear motion of the rack gear 22 into a rotary motion That is, the torsion test can be performed through a single-axis universal testing machine (UTM) using a pinion gear that is meshed with the rack gear 22 as the rotary motion means 30.
시편안착수단(40)은 본 발명의 일 실시예에 따른 비틀림 시험장치(100)를 이용하여 시험하고자 하는 시편(TP)이 안착되는 구성요소로, 여기에서는 환봉형 시편이 사용된다.Specimen seating means 40 is a component on which the specimen (TP) to be tested is mounted using the torsion test apparatus 100 according to an embodiment of the present invention, wherein a round bar type specimen is used.
이러한 시편안착수단(40)은 회전운동수단(30)의 회전에 따라 회전하도록 회전운동수단(30)에 연결되는 회전지그(42)와, 회전지그(42)로부터 떨어져 위치하여 회전지그(42)와의 사이에 시편(TP)이 안착되는 고정지그(44)를 포함하여 구성된다.The specimen mounting means 40 is a rotary jig 42 connected to the rotary motion means 30 to rotate in accordance with the rotation of the rotary motion means 30, and the rotary jig 42 is located away from the rotary jig 42 It is configured to include a fixing jig 44, the specimen (TP) is seated between the.
여기서, 고정지그(44)는 시편(TP)의 비틀림 시험이 수행되는 일종의 작업대인 베이스 플레이트(B)에 장착되며, 회전지그(42)의 회전에 따라 회전지그(42)와 고정지그(44) 사이에 안착된 시편(TP)이 비틀림 힘을 받게 되어 시편(TP)의 비틀림 시험을 수행할 수 있게 된다. Here, the fixing jig 44 is mounted to the base plate (B), which is a kind of workbench on which the torsion test of the specimen TP is performed, and the rotating jig 42 and the fixing jig 44 according to the rotation of the rotating jig 42. Specimen (TP) seated in between is subjected to a torsional force, enabling torsional testing of the specimen (TP).
이때, 본 발명의 일 실시예에 따른 비틀림 시험장치(100)를 통해 시험하고자 하는 시편(TP)의 크기, 특히 시편(TP)의 길이가 다양할 수 있으므로 시편(TP)이 안착되는 시편안착수단(40), 즉 회전지그(42)와 고정지그(44)는 서로 간의 사이 간격을 조절할 수 있게 구성되는 것이 바람직하다.At this time, the size of the specimen (TP) to be tested through the torsion test apparatus 100 according to an embodiment of the present invention, in particular, because the length of the specimen (TP) may vary, the specimen seating means that the specimen (TP) is seated 40, that is, the rotary jig 42 and the fixed jig 44 is preferably configured to be able to adjust the gap between each other.
이에, 베이스 플레이트(B)에 홈(H)이나 홀을 길게 형성하여 베이스 플레이트(B)에 장착되는 고정지그(44)가 회전지그(42)측으로 가까이 접근하거나 멀어질 수 있도록 구성하는 것이 좋으며, 본 발명에서는 베이스 플레이트(B)에 길이가 긴 한 쌍의 장홈(H)을 형성하여 고정지그(44)가 이러한 장홈(H)의 길이방향을 따라 슬라이드 될 수 있게 구성된다. 이때 고정지그(44)에는, 회전지그(42)와의 사이 간격을 유지할 수 있도록 고정지그(44)를 베이스 플레이트(B)에 고정 또는 고정해제시키는 별도의 체결부재(도시하지 않음), 예를 들어 체결볼트가 마련될 수 있다.Therefore, it is preferable to form a groove (H) or a hole in the base plate (B) long so that the fixing jig 44 mounted to the base plate (B) can approach or move closer to the rotary jig 42 side, In the present invention, the pair of long grooves H is formed on the base plate B so that the fixing jig 44 can slide along the longitudinal direction of the long grooves H. At this time, the fixing jig 44, a separate fastening member (not shown) for fixing or releasing the fixing jig 44 to the base plate (B) so as to maintain a gap between the rotary jig 42, for example Fastening bolts may be provided.
그리고, 회전지그(42)와 고정지그(44)에는 안착된 시편(TP)의 비틀림 시험 수행시 시편(TP)이 시편안착수단(40)으로부터 이탈하는 것을 방지할 수 있도록 시편(TP)을 잡아주는 시편고정부(도시하지 않음)가 포함될 수 있다. 이러한 시편고정부는 시편(TP)의 두께에 따라 적절히 벌어지거나 좁혀지도록 구성되는 것이 바람직하다.In addition, when the torsion test of the specimen TP seated on the rotary jig 42 and the fixing jig 44, the specimen TP is held to prevent the specimen TP from being separated from the specimen seating means 40. States may include specimen fixing (not shown). Such a specimen fixing is preferably configured to be properly opened or narrowed according to the thickness of the specimen (TP).
또한, 시편안착수단(40) 즉, 회전지그(42)나 고정지그(44), 또는 회전지그(42)와 고정지그(44) 모두에는 시편(TP)에 가해지는 비틀림 힘을 측정하는 측정부(46)가 포함되어 구성된다. 이러한 측정부(46)는 통상 사용되는 토크센서가 사용될 수 있으며, 본 발명에서는 고정지그(44)에 측정부(46)를 배치하여 시편(TP)에 부가되는 토크를 측정하도록 하였다.In addition, the test piece for measuring the torsional force applied to the specimen (TP) to the specimen mounting means 40, that is, the rotary jig 42, the fixed jig 44, or both the rotary jig 42 and the fixed jig 44 46 is included and configured. The measurement unit 46 may be a torque sensor that is commonly used, in the present invention to place the measuring unit 46 in the fixing jig 44 to measure the torque added to the specimen (TP).
한편, 회전운동수단(30)과 회전지그(42) 사이에는 속도변환수단(50)이 마련된다.On the other hand, the speed conversion means 50 is provided between the rotary movement means 30 and the rotary jig 42.
속도변환수단(50)은 회전운동수단(30)의 회전력을 가속 또는 감속시켜 회전지그(42)에 전달하는 구성요소로서, 공지되어 있는 통상의 감속기가 사용될 수 있다.The speed converting means 50 is a component that accelerates or decelerates the rotational force of the rotary motion means 30 and transmits it to the rotary jig 42. A known speed reducer may be used.
이러한 속도변환수단(50)은 베이스 플레이트(B)에 배치되며, 속도변환수단(50)의 축에 장착되어 랙 기어(22)와 기어 맞물림되는 회전운동수단(30), 즉 피니언기어의 회전수를 조절하게 된다.The speed conversion means 50 is disposed on the base plate (B), is mounted on the shaft of the speed conversion means 50, the rotational movement means 30 that is meshed with the rack gear 22, that is, the number of revolutions of the pinion gear Will be adjusted.
이때, 속도변환수단(50)에는 시편(TP)의 비틀림 시험시 직선운동수단(20)이나 회전운동수단(30)이 유동하여 본 발명의 일 실시예에 따른 비틀림 시험장치(100)에서 이탈되는 것을 방지할 수 있도록 직선운동수단(20), 회전운동수단(30)을 지지하는 지지베어링(도시하지 않음)을 설치하여 사용하는 것이 좋다.At this time, when the torsion test of the test piece (TP) to the speed conversion means 50, the linear movement means 20 or the rotary movement means 30 flows to be separated from the torsion test apparatus 100 according to an embodiment of the present invention. It is preferable to install and use a linear bearing means 20, a support bearing (not shown) for supporting the rotary movement means 30 to prevent the thing.
이처럼 본 발명의 일 실시예에 따른 비틀림 시험장치(100)는 기존에 사용하고 있던 1축 만능 시험기(UTM)를 이용하여 쉽고 간단하게 시편(TP)의 비틀림 시험을 수행할 수 있는 비틀림 시험장치(100)를 구성할 수 있게 되므로 제작비용이나 유지비용 및 시험비용을 절감할 수 있게 된다.As described above, the torsion test apparatus 100 according to the embodiment of the present invention is a torsion test apparatus that can easily and simply perform a torsion test of the specimen (TP) using a single-axis universal testing machine (UTM). 100) can be configured to reduce the production cost, maintenance cost and test cost.
또한, 시편(TP)에 가해지는 비틀림 힘의 정도를 속도변환수단(50)을 통해 조절하여 다양한 강도의 시험이 가능하므로 시험 결과의 신뢰도를 높일 수 있는 유용한 발명이라 할 것이다.In addition, since the degree of torsional force applied to the specimen (TP) is controlled through the speed converting means 50, various strength tests are possible, and thus it will be referred to as a useful invention that can increase the reliability of the test results.
본 발명의 권리범위는 상술한 실시예에 한정되는 것이 아니라 첨부된 특허청구범위 내에서 다양한 형태의 실시예로 구현될 수 있다. 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 누구든지 변형 가능한 다양한 범위까지 본 발명의 청구범위 기재의 범위 내에 있는 것으로 본다.The scope of the present invention is not limited to the above-described embodiment, but may be embodied in various forms of embodiments within the scope of the appended claims. Without departing from the gist of the invention claimed in the claims, it is intended that any person skilled in the art to which the present invention pertains falls within the scope of the claims described in the present invention to various extents which can be modified.

Claims (5)

  1. 비틀림 시험장치에 있어서,In the torsion testing apparatus,
    구동수단;Drive means;
    상기 구동수단에 연결되고, 상기 구동수단의 구동에 의해 직선 왕복운동하는 직선운동수단;Linear movement means connected to the driving means and linearly reciprocating by driving of the driving means;
    상기 직선운동수단에 연결되며, 상기 직선운동수단의 동작에 따라 회전되는 회전운동수단; 및A rotary movement means connected to the linear movement means and rotated according to the operation of the linear movement means; And
    상기 회전운동수단의 회전에 따라 회전하도록 상기 회전운동수단에 연결되는 회전지그와, 상기 회전지그로부터 떨어져 위치하여 상기 회전지그와의 사이에 시편이 안착되는 고정지그를 포함하며, 상기 회전지그의 회전에 따라 상기 시편이 비틀림 힘을 받도록 하는 시편안착수단;을 포함하는 비틀림 시험장치.Rotating jig connected to the rotational movement means to rotate in accordance with the rotation of the rotational movement means, and a fixing jig which is located away from the rotational jig and the specimen is seated between the rotational jig, the rotation of the rotational jig Torsion test apparatus comprising; specimen mounting means for receiving the torsional force according to the specimen.
  2. 제1항에 있어서,The method of claim 1,
    상기 회전운동수단과 상기 회전지그 사이에는,Between the rotary movement means and the rotary jig,
    상기 회전운동수단의 회전력을 가속 또는 감속시켜 상기 회전지그에 전달하는 속도변환수단이 더 포함되는 것을 특징으로 하는 비틀림 시험장치.Torsion test apparatus further comprises a speed conversion means for transmitting to the rotary jig by accelerating or decelerating the rotational force of the rotary movement means.
  3. 제1항에 있어서,The method of claim 1,
    상기 시편안착수단은,The specimen mounting means,
    상기 회전지그와 상기 고정지그 사이 간격의 조절이 가능하게 구성되는 것을 특징으로 하는 비틀림 시험장치.Torsion test apparatus, characterized in that configured to enable the adjustment of the interval between the rotating jig and the fixed jig.
  4. 제1항에 있어서,The method of claim 1,
    상기 시편안착수단에는,The specimen mounting means,
    상기 시편의 비틀림 힘을 측정하는 측정부가 더 포함되는 것을 특징으로 하는 비틀림 시험장치.Torsion test apparatus characterized in that it further comprises a measuring unit for measuring the torsional force of the specimen.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 4,
    상기 구동수단은,The drive means,
    1축(Axial) 만능 시험기(Universal Testing Machine)의 엑추에이터이고,Actuator of 1-axis universal testing machine,
    상기 직선운동수단은,The linear movement means,
    상기 엑추에이터에 연결되어 직선왕복 운동하게 되는 랙 기어; 및A rack gear connected to the actuator for linear reciprocating motion; And
    상기 1축 만능 시험기에 장착되어 상기 랙 기어의 직선왕복 운동을 가이드하는 엘엠가이드; 를 포함하며,An LM guide mounted on the single axis universal testing machine to guide linear reciprocation of the rack gear; Including;
    상기 회전운동수단은,The rotary movement means,
    상기 랙 기어에 기어 맞물림 되는 피니언 기어인 것으로 구성되는 것을 특징으로 하는 비틀림 시험장치.Torsion test apparatus, characterized in that consisting of the pinion gear gear meshing with the rack gear.
PCT/KR2016/008382 2016-04-12 2016-07-29 Torsion testing apparatus WO2017179770A1 (en)

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CN110987609A (en) * 2019-12-20 2020-04-10 太原科技大学 Thermal simulation torsion experiment clamp
CN113029837A (en) * 2019-12-24 2021-06-25 上海美三思检测设备有限公司 Repeated bending test machine
CN113802441A (en) * 2021-10-11 2021-12-17 南京侨睿交通技术有限公司 Slope self-adaptive device for deflectometer and control method thereof

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KR101954825B1 (en) 2018-07-31 2019-06-11 목포대학교산학협력단 Method for evaluating ladder rung using torsion test

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CN110987609A (en) * 2019-12-20 2020-04-10 太原科技大学 Thermal simulation torsion experiment clamp
CN113029837A (en) * 2019-12-24 2021-06-25 上海美三思检测设备有限公司 Repeated bending test machine
CN113802441A (en) * 2021-10-11 2021-12-17 南京侨睿交通技术有限公司 Slope self-adaptive device for deflectometer and control method thereof

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