KR20010049101A - 3D Base Isolator for Machines Using Air-Mount and Elastomeric Bearing - Google Patents

3D Base Isolator for Machines Using Air-Mount and Elastomeric Bearing Download PDF

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Publication number
KR20010049101A
KR20010049101A KR1019990054042A KR19990054042A KR20010049101A KR 20010049101 A KR20010049101 A KR 20010049101A KR 1019990054042 A KR1019990054042 A KR 1019990054042A KR 19990054042 A KR19990054042 A KR 19990054042A KR 20010049101 A KR20010049101 A KR 20010049101A
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KR
South Korea
Prior art keywords
plate
air mount
air
mount
rubber support
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KR1019990054042A
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Korean (ko)
Inventor
김두훈
권형오
정길영
정민기
박진완
조해진
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이정수
유니슨산업 주식회사
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Priority to KR1019990054042A priority Critical patent/KR20010049101A/en
Publication of KR20010049101A publication Critical patent/KR20010049101A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0291—PTFE
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability

Abstract

PURPOSE: A three dimensional vibration removing plate for a machine using an air mount and a rubber plate prevents the damage of machines sensitive to vibrations. CONSTITUTION: A three dimensional vibration removing plate mounts an air mount(1) and a rubber plate(11) thereon, thereby removing vibrations of vertical and horizontal directions. Further, the effect of the air mount(1) against horizontal vibrations is minimized by mounting a fluorine resin panel(5), a stainless panel(4), an inducing rod(8) and a ball bush(6). Further, the effect of the rubber plate(11) against vertical vibrations is minimized by mounting a ball bush(9). Thus, the three dimensional vibration removing plate protects machines from vibrations.

Description

에어 마운트와 고무받침을 이용한 기계장비용 3차원 면진받침{3D Base Isolator for Machines Using Air-Mount and Elastomeric Bearing}3D Base Isolator for Machines Using Air-Mount and Elastomeric Bearing}

본 발명은 진동에 민감한 회전체나 중요한 기기들의 지진이나 충격등의 진동에 의한 피해를 막기 위한 3차원 면진 받침으로서 사용되어 진다.The present invention is used as a three-dimensional isolating base for preventing damage caused by vibration such as earthquake or impact of a vibration-sensitive rotating body or important devices.

지진이나 충격에 의해 기계장비내에 주요 연결부 혹은 요소들에 관성력이 발생하여 기기가 올바르게 작동하지 않거나 심한 경우 파괴될 수 있다. 이러한 기기들의 진동에 대한 피해를 줄이기 위해 면진받침이 사용된다. 3차원 면진의 경우 수평방향에 대한 면진을 위해서 고무받침, 적층고무받침 등을 사용하고 수직방향에 대해서는 스프링이나 고무패드 등을 사용한다.Earthquakes or shocks may cause inertial forces on the main connections or elements in the machine, causing the unit not to work properly or, in severe cases, to be destroyed. Isolation bases are used to reduce the damage to these devices from vibration. In the case of three-dimensional isolation, rubber bearings and laminated rubber bearings are used for isolation in the horizontal direction, and springs or rubber pads are used in the vertical direction.

그러나 스프링이나 고무패드등은 상부기기가 고주파수 영역일 경우 유효하지만 상부기기가 비교적 저주파수 영역일 경우 면진장치로서의 역할을 제대로 수행하지 못한다. 에어 마운트(1)의 경우 주파수 영역이 2Hz 이하로 조절할 수 있으므로 주파수 영역이 저주파인 기기들의 면진에 유효하다.However, springs and rubber pads are effective when the upper equipment is in the high frequency region, but they do not function properly as the seismic isolation device when the upper equipment is in the relatively low frequency region. In the case of the air mount 1, the frequency range can be adjusted below 2 Hz, which is effective for isolation of devices having a low frequency range.

기존의 면진받침들은 3차원 면진을 위해 수직,수평에 대한 면진받침들을 개별적으로 설치하고 있다. 그러나 저진동수의 기계장비에 수직방향 면진받침으로 스프링이나 고무패드를 사용할 경우 효과적인 면진성능을 발휘할 수 없다. 또한 면진받침들 사이에 간섭이 발생하여 면진성능이 저하되고 되고 수평,수직 면진장치를 개별적으로 설치하면 작업성이 저하된다. 따라서 본 발명은 이러한 단점을 개선하여 고진동수 기계장비 뿐만 아니라 저진동수의 기계장비에도 적용할 수 있는 면진장치를 선택하고 수직,수평방향의 면진받침들 사이에 간섭에 의한 영향을 최소화 하였다. 그리고 설치상의 용이성을 위해 수직,수평방향의 면진장치들을 일체화 하여 우수한 3차원 면진장치를 개발하였다.Existing base bearings separately install vertical and horizontal base bearings for three-dimensional base isolation. However, when the spring or rubber pad is used as the vertical vibration isolator for low frequency machinery, it is not possible to achieve the effective vibration isolation performance. In addition, interference occurs between the base bearings, so that the base isolation performance is reduced, and workability is deteriorated when the horizontal and vertical isolation devices are separately installed. Therefore, the present invention improves these disadvantages, selects a seismic isolation device applicable to not only high frequency machinery but also low frequency machinery and minimizes the influence of interference between the vertical and horizontal base bearings. In addition, we developed an excellent three-dimensional isolation device by integrating vertical and horizontal isolation devices for ease of installation.

도 1은 일실시예에 의한 3차원 면진받침의 정면도1 is a front view of a three-dimensional isolation base according to an embodiment

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

1 : 에어 마운트 2 : 하부 미끄럼판1: air mount 2: lower sliding plate

3 : 상부 미끄럼판 4 : 스테인레스판3: upper sliding plate 4: stainless steel plate

5 : 윤활유 저장홈이 있는 볼소수지판5: Ball Resin Plate with Lube Oil Reservoir

6 : 볼부시 7 : 공기주입구6: ball bush 7: air inlet

8 : 유도봉 9 : 볼부시8: guide bar 9: ball bush

10: 피스톤 11 : 고무받침10: piston 11: rubber feet

12: 하부판 13 : 상부판12: lower plate 13: upper plate

14: 운반용 고정판14: transport plate

첨부도면은 기계장비용 3차원 면진받침의 실시예를 도시한 것이다.The accompanying drawings show an embodiment of a three-dimensional isolator for mechanical equipment.

제 1도에 나타나 있는 기계장비용 3차원 면진받침은 수직방향에 대한 면진성능을 가지는 에어 마운트(1)와 수평방향에 대한 면진성능을 가지는 고무받침(11)으로 구성된다.The three-dimensional isolating bearing for the machine equipment shown in FIG. 1 is composed of an air mount 1 having a vibration isolation performance in the vertical direction and a rubber bearing 11 having the vibration isolation performance in the horizontal direction.

구체적으로 설명하면 에어 마운트(1)가 수직방향으로 거동하도록 유도봉(8)을 설치하고 하부판(12)위에 에어 마운트(1)를 볼트로 고정한다. 그리고 에어 마운트(1) 상부에 상부 미끄럼판(3)을 설치한다. 유도봉(8)을 삽입하는 상부 미끄럼판(3)의 홈에 볼부시(6)를 설치하여 에어 마운트(1)의 수직 거동을 원활히 한다. 상부 미끄럼판(3) 중앙에 원형홈을 만들고 윤활유 홈이 있는 불소수지판(5)을 홈 밖으로 돌출되도록 안장하고 그 표면에 윤활유를 바른다. 상부판(13)에는 스테인레스판(4)이 고정된 상부 미끄럼판(3)을 볼트로 체결하여 하부 미끄럼판(2)의 불소수지판(5)과 미끄러지도록 하여 수평방향거동에 대한 에어 마운트(1)의 영향을 최소화 시킨다. 상부 미끄럼판(3)과 상부판(13)에는 공기주입구(7)위치에 홀을 뚫어 공기 주입을 용이하도록 한다.Specifically, the air rod 1 is installed so that the air rod 1 behaves in the vertical direction, and the air mount 1 is fixed on the lower plate 12 with bolts. And an upper sliding plate 3 is installed on the air mount 1. A ball bush 6 is installed in the groove of the upper sliding plate 3 into which the guide rod 8 is inserted to smooth the vertical movement of the air mount 1. Make a circular groove in the center of the upper sliding plate (3) and saddle the fluororesin plate (5) with the lubricant groove to protrude out of the groove and lubricate the surface. The upper plate 13 is bolted to the upper sliding plate 3 to which the stainless plate 4 is fixed, so that the upper plate 13 slides with the fluorine resin plate 5 of the lower sliding plate 2 so that the air mount for horizontal movement ( Minimize the impact of 1). The upper sliding plate (3) and the upper plate (13) to make a hole in the air inlet (7) to facilitate the injection of air.

그리고, 고무받침(11)과 피스톤(10)을 볼트로 체결하고 체결된 고무받침(11)을 하부판(12)과 볼트로 체결한다. 상부판(13)에 볼부시(9)를 설치하여 고무받침(11) 위의 피스톤(10)이 수직방향 거동시의 마찰을 최소화 시켜 고무받침(11)의 수직방향에 대한 영향을 줄인다. 상부판(13)과 하부판(12)를 운반용 고정판(14)으로 고정하여 운반시 용이하게 하고 설치시 에어 마운트(1)의 압력에 의해 상부판(13)이 탈락하는 것을 방지한다.In addition, the rubber support 11 and the piston 10 are fastened by bolts, and the fastened rubber support 11 is fastened by the lower plate 12 and the bolts. By installing the ball bush 9 on the upper plate 13, the piston 10 on the rubber support 11 minimizes the friction in the vertical direction to reduce the influence on the vertical direction of the rubber support (11). The upper plate 13 and the lower plate 12 are fixed by the transport fixing plate 14 to facilitate transportation and to prevent the upper plate 13 from falling off due to the pressure of the air mount 1 during installation.

본 실시예에서 기계장비에 설치전에 에어 마운트(1)의 공기주입구(7)를 통해 공기를 주입하여 적절한 압력을 가지도록 한다. 설치후 상부판(13)과 하부판(12)을 연결하는 운반용 고정판(14)을 제거한다.In this embodiment, the air is injected through the air inlet 7 of the air mount 1 before installation to the mechanical equipment to have an appropriate pressure. After installation, the transport fixing plate 14 connecting the upper plate 13 and the lower plate 12 is removed.

상기 일실시에 의한 3차원 면진받침에서 에어 마운트(1)는 공기의 압력을 조절함으로써 지지하중과 수직방향 진동에 대한 목적 주파수를 조정할 수 있으며 고무받침(11)은 고무의 물성과 형상을 조절함으로써 수평방향 진동에 대한 목적 주파수를 조정할 수 있다. 발명된 3차원 면진받침은 에어 마운트(1)와 고무받침(11)의 독립적인 작동으로 수직진동 및 수평진동에 대한 면진성능이 우수하므로 3차원 면진장치로서의 역할을 효과적으로 수행한다.In the three-dimensional isolating bearing according to the embodiment the air mount (1) can adjust the target frequency for the support load and the vertical vibration by adjusting the air pressure and the rubber support (11) by adjusting the physical properties and shape of the rubber The target frequency for horizontal vibration can be adjusted. Invented three-dimensional isolator is an independent operation of the air mount (1) and the rubber support (11) is excellent in the vibration isolation performance for vertical vibration and horizontal vibration, so it effectively serves as a three-dimensional vibration isolation device.

이상 설명한 바를 종합하면 본 발명은 에어 마운트(1)와 고무받침(11)을 설치하여 수직 및 수평 방향의 진동에 대한 면진성능을 발휘한다. 그리고 하부 미끄럼판(2)에 불소수지판(5)과 상부 미끄럼판(3)에 스테인레스판(4)을 설치하고 유도봉(8) 및 볼부시(6)를 설치하여 수직거동을 유도함으로써 수평방향 진동에 대한 에어 마운트(1)의 영향을 최소화 하였다. 그리고 고무받침(11) 상부의 피스톤(10)에 볼부시(9)가 설치된 상부판(13)을 삽입함으로써 수직방향진동에 대한 고무받침(11)의 영향을 최소화함으로써 에어 마운트(1)와 고무받침(11)이 독립적으로 거동하도록 하였다. 본 발명은 수평방향 뿐만 아니라 수직 방향에 대해서도 우수한 면진성능을 가지고 있으므로 중요한 기계장비들을 안전하게 보호하여 경제적 손실방지라는 측면에서 잠재적 가치가 매우 크다.In summary, the present invention provides an air mount 1 and a rubber support 11 to exhibit vibration isolation performance against vibration in the vertical and horizontal directions. In addition, the fluorine resin plate 5 and the upper sliding plate 3 are provided with a stainless plate 4 on the lower sliding plate 2, and a guide rod 8 and a ball bush 6 are installed to induce vertical behavior. The influence of the air mount 1 on the directional vibration is minimized. And the air mount 1 and the rubber by minimizing the influence of the rubber support 11 on the vertical vibration by inserting the upper plate 13, the ball bushing 9 is installed in the piston 10 of the rubber support 11 Base 11 was allowed to behave independently. Since the present invention has excellent seismic performance not only in the horizontal direction but also in the vertical direction, the potential value is very great in terms of preventing economic loss by safely protecting important machinery.

Claims (3)

에어 마운트(1)는 면진시스템에 필요한 수직강성을 제공하고, 고무받침(11)은 수평강성을 제공하도록 에어 마운트(1)와 고무받침(11)이 제작된 기계장비용 3차원 면진장치.The air mount (1) provides the vertical rigidity required for the seismic isolation system, the rubber support (11) is a three-dimensional seismic isolator for mechanical equipment in which the air mount (1) and the rubber support (11) is made to provide horizontal rigidity. 제 1항에 있어서 에어 마운트(1)의 상면에 윤활유 저장홈이 있는 불소수지판(5)이 장착된 하부 미끄럼판(2)을 설치하여 상부 미끄럼판(3) 하단에 부착된 스테인레스판(4)과의 미끄러짐으로 인하여 에어 마운트(1)가 고무받침(11)의 수평강성에 미치는 영향을 최소화 시킨 기계장비용 3차원 면진장치.The stainless plate (4) attached to the bottom of the upper sliding plate (3) by installing a lower sliding plate (2) having a fluorine resin plate (5) with a lubricating oil storage groove on the upper surface of the air mount (1). 3D seismic isolator for machine equipment that minimizes the effect of the air mount (1) on the horizontal stiffness of the rubber support (11) due to the sliding with). 제 1항에 있어서 고무받침(11)의 상면 피스톤(10)과의 원활한 수직운동을 위한 볼부시(9)를 상부판(13)에 고정하여 고무받침(11)이 에어 마운트(1)의 수직강성에 미치는 영향을 최소화 시킨 기계장비용 3차원 면진장치.The rubber support 11 is fixed to the upper plate 13 so that the rubber support 11 is perpendicular to the air mount 1. Three-dimensional seismic isolator for mechanical equipment with minimal effect on stiffness.
KR1019990054042A 1999-11-30 1999-11-30 3D Base Isolator for Machines Using Air-Mount and Elastomeric Bearing KR20010049101A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110030318A (en) * 2019-03-25 2019-07-19 南京捷诺环境技术有限公司 Optoelectronic device high-precision limit angular displacement anti-vibration and shock platform
KR102077745B1 (en) 2018-08-16 2020-02-14 주식회사 이엔테크 Isolation device having heat exchanger for recovery waste

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Publication number Priority date Publication date Assignee Title
KR910001282A (en) * 1988-06-06 1991-01-30 다께나까 도이찌 Vibration absorbing structure
KR19990066356A (en) * 1998-01-24 1999-08-16 이서형 Rubber feet for seismic isolation of structures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910001282A (en) * 1988-06-06 1991-01-30 다께나까 도이찌 Vibration absorbing structure
KR19990066356A (en) * 1998-01-24 1999-08-16 이서형 Rubber feet for seismic isolation of structures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102077745B1 (en) 2018-08-16 2020-02-14 주식회사 이엔테크 Isolation device having heat exchanger for recovery waste
CN110030318A (en) * 2019-03-25 2019-07-19 南京捷诺环境技术有限公司 Optoelectronic device high-precision limit angular displacement anti-vibration and shock platform
CN110030318B (en) * 2019-03-25 2024-02-23 南京捷诺环境技术有限公司 High-precision angle-limited displacement vibration isolation buffer platform for photoelectric equipment

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