KR100883845B1 - Vibration reduction system of oil tank - Google Patents

Vibration reduction system of oil tank Download PDF

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Publication number
KR100883845B1
KR100883845B1 KR1020070051332A KR20070051332A KR100883845B1 KR 100883845 B1 KR100883845 B1 KR 100883845B1 KR 1020070051332 A KR1020070051332 A KR 1020070051332A KR 20070051332 A KR20070051332 A KR 20070051332A KR 100883845 B1 KR100883845 B1 KR 100883845B1
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South Korea
Prior art keywords
oil tank
plate
viscoelastic material
fixing
vibration
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KR1020070051332A
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Korean (ko)
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KR20080104486A (en
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정성진
최수현
오상헌
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대우조선해양 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
    • B63H21/305—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes with passive vibration damping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • 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

Abstract

본 발명은 기름 탱크의 진동 저감용 구속 점탄성재에 관한 것으로, 기름 탱크의 평판(50)에 부착되어 진동을 저감시키기 위한 장치에 있어서, 상기 평판(50)의 하부에 구비된 점탄성재(10)와; 상기 점탄성재(10)의 하부에 구비되는 구속플레이트(20)와; 상기 점탄성재(10)와 구속플레이트(20)에 삽입되어 설치되는 다수의 고정부(30);를 포함하여 구성되며, 직접적인 용접작업이 필요없으므로 기름탱크의 화재 및 폭발 위험이 없고 기름 제거 및 추가 도장 작업이 필요 없으므로 공정상의 시간 지연 및 어려움이 없다. 또한 장치의 구성이 단순하여 작업이 쉬우므로 보강작업에 필요한 작업자의 시수 및 비용 절감이 가능하다.The present invention relates to a restrained viscoelastic material for reducing vibration of an oil tank, and is attached to a flat plate 50 of an oil tank to reduce vibration, wherein the viscoelastic material 10 provided below the flat plate 50 is provided. Wow; A restraining plate 20 provided below the viscoelastic material 10; It includes a plurality of fixing parts 30 are inserted and installed in the viscoelastic material 10 and the restraint plate 20, there is no need for direct welding work, there is no risk of fire and explosion of the oil tank and oil removal and addition There is no need for painting and there is no time lag and difficulty in the process. In addition, since the configuration of the device is simple and easy to work, it is possible to reduce the time and cost of workers required for reinforcement work.

기름탱크, 점탄성재, 진동 저감, 보강재 Oil tank, viscoelastic material, vibration reduction, reinforcement

Description

기름 탱크의 진동 저감장치{Vibration reduction system of oil tank}Vibration reduction system of oil tank

도 1은 본 발명에 따른 기름 탱크의 진동 저감장치를 나타내는 전체구성도이며, 1 is an overall configuration diagram showing a vibration reduction device of an oil tank according to the present invention,

도 2는 도 1의 확대도이다. 2 is an enlarged view of FIG. 1.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10: 점탄성재 20: 구속플레이트10: viscoelastic material 20: restraining plate

30: 고정부 31: 고정판30: fixing part 31: fixing plate

32: 고정나사 33: 고정볼트32: set screw 33: set bolt

40: 접착재 50 : 평판40: adhesive 50: flat plate

삭제delete

본 발명은 기름 탱크의 진동 저감용 구속 점탄성재에 관한 것으로 더욱 상세하게는 직접적인 용접작업 없이 기름탱크의 평판에 발생한 과도 진동을 점탄성재와 구속플레이트를 이용하여 진동을 저감시키는 기름 탱크의 진동 저감장치에 관한 것이다.The present invention relates to a restrained viscoelastic material for reducing vibration of an oil tank, and more particularly, to a vibration reducing device of an oil tank for reducing vibration by using viscoelastic material and restraining plate for transient vibration generated on a flat plate of an oil tank without direct welding. It is about.

일반적으로 선박에는 주기관을 작동시키기 위한 여러 종류의 기름 탱크들이 설치되어 있다. 이들 기름 탱크들은 운항 중 프로펠러 기진력 또는 주기관 기진력에 의해 국부적인 평판에서 과도한 진동이 발생하는 경우가 있다. 기름 탱크의 평판에서 발생한 과도한 진동은 시간이 지남에 따라 구조적 손상을 일으킬 수 있으므로 이를 방지하기 위해 평판에 용접을 통해 보강재를 부착하여 진동을 저감시켰다.In general, ships are equipped with several types of oil tanks for operating the main engine. These oil tanks often experience excessive vibrations in the local plate due to propeller propulsion or main engine vibration during operation. Excessive vibration from the oil tank's plate can cause structural damage over time. To prevent this, vibration is reduced by attaching reinforcement to the plate by welding.

하지만 이러한 보강재 설치는 기름탱크에 직접적인 용접작업이 필요하므로 용접시 발생하는 불꽃 및 열에 의한 폭발을 방지하기 위해 사전에 기름탱크 내의 기름을 완전히 제거해야 하는 등 많은 시간과 공정상의 어려움이 있었다. However, the installation of such reinforcement requires direct welding to the oil tank, and thus, there have been many time and process difficulties, such as the need to completely remove oil in the oil tank in order to prevent sparks and heat explosions during welding.

이에 본 발명은 상술한 바와 같이 종래에 안고 있는 제반 문제점을 해소하고자 발명된 것으로, 본 발명은 기존 방법과 달리 직접적인 용접작업 없이 구속 점탄성재를 부착하여 기름 탱크의 평판에 발생한 과도 진동을 저감시키므로 화재 및 폭발의 위험이 없다.또한 기존 방법에서 요구되는 기름 제거 등의 공정 및 작업상의 어려움을 개선하였다Accordingly, the present invention was invented to solve all the problems in the prior art as described above, and the present invention reduces the excessive vibration generated on the flat plate of the oil tank by attaching a restrained viscoelastic material without direct welding, unlike the existing method. And there is no risk of explosion, and it improves process and operation difficulties such as oil removal which is required in the existing method.

상기와 같은 목적을 달성하기 위한 본 발명의 구성은, 기름 탱크의 평판(50)에 부착되어 진동을 저감시키기 위한 장치에 있어서, 상기 기름 탱크의 평판(50)의 하부에 구비된 점탄성재(10)와; 상기 점탄성재(10)의 하부에 구비되는 구속플레이트(20)와; 상기 점탄성재(10)와 구속플레이트(20)에 삽입되어 설치되는 다수의 고정부(30);를 포함하여 구성되는 것을 특징으로 한다.The configuration of the present invention for achieving the above object is a viscoelastic material (10) provided in the lower portion of the flat plate 50 of the oil tank in the device for attaching to the flat plate 50 of the oil tank to reduce vibration )Wow; A restraining plate 20 provided below the viscoelastic material 10; And a plurality of fixing parts 30 inserted and installed in the viscoelastic material 10 and the restraining plate 20.

목적을 달성하기 위한 다른 특징은, 상기 점탄성재(10)은 탄성재인 테프로텍스(tefrotex)를 사용하는 것을 특징으로 한다.Another feature for achieving the object is that the viscoelastic material 10 is characterized in that using a tefrotex (tefrotex) that is an elastic material.

목적을 달성하기 위한 또 다른 특징은, 상기 구속플레이트(20)는 고정나사 (32)와 고정볼트(33)의 결합에 의해 점탄성재(10)에 밀착고정되는 것을 특징으로 한다.Another feature for achieving the object, characterized in that the restraint plate 20 is fixed to the viscoelastic material 10 by a combination of the fixing screw 32 and the fixing bolt 33.

목적을 달성하기 위한 또 다른 특징은, 상기 고정부(30)는 점탄성재(10) 상면에 삽입되어 설치되는 고정판(31)과, 상기 고정판(31) 하방으로 구비되고 끝단이 상기 구속플레이트(20)를 관통하여 설치된 고정나사(32)와, 상기 고정나사(32)에 결합되는 고정볼트(33)로 구성되는 것을 특징으로 한다.Another feature for achieving the object, the fixing part 30 is provided with a fixing plate 31 is inserted into the upper surface of the viscoelastic material 10 and installed below the fixing plate 31, the end of the restraining plate 20 It is characterized by consisting of a fixing screw 32 and a fixing bolt 33 coupled to the fixing screw 32 installed through.

목적을 달성하기 위한 또 다른 특징은, 상기 고정판(31)은 접착재(40)에 의해 상기 기름탱크의 평판(50)에 부착되는 것을 특징으로 한다.Another feature for achieving the object is characterized in that the fixing plate 31 is attached to the flat plate 50 of the oil tank by the adhesive material (40).

이하, 첨부된 도면 참조하여 본 발명에 따른 바람직한 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 기름 탱크의 진동 저감용 구속 점탄성재를 나타내는 전체구성도이며, 도 2는 도 1의 확대도이다. 1 is an overall configuration diagram showing a restrained viscoelastic material for vibration reduction of an oil tank according to the present invention, Figure 2 is an enlarged view of FIG.

도 1을 참조하면, 기름 탱크의 평판(50)에 부착되어 진동을 저감시키기 위한 장치에 관한 것으로 점탄성재(10 : tefrotex)와 구속플레이트(20 : steel plate)으로 구성되고 구속플레이트(20)을 고정하기 위한 고정나사(32)가 구비된 고정판(31 : stud plate)이 사용된다. 이때 고정나사(32)가 구비된 고정판(31)은 접착재(40 : secoflex)를 이용하여 기름탱크의 평판(50)에 부착 되어진다.Referring to Figure 1, attached to the flat plate 50 of the oil tank relates to a device for reducing vibration consisting of a viscoelastic material (10: tefrotex) and a restraining plate (20: steel plate) and the restraining plate (20) A stud plate (31) provided with a fixing screw 32 for fixing is used. At this time, the fixing plate 31 provided with the fixing screw 32 is attached to the flat plate 50 of the oil tank by using the adhesive material (secoflex) (40).

상기 점탄성재(10)는 상기 평판(50)의 하부에 구비된 진동을 감쇠시키기 위한 탄성재인 테프로텍스(tefrotex)를 사용하는데 이것은 전처리된 철판, 알루미늄, 아연도금강판에 대해 매우 우수한 접착력을 가지고 있고, 점탄성재의 성능을 결정하는 댐핑값(손실계수)도 0.1 정도의 값을 가지고 있으며, 중량도 1.4kg/㎡(두께 1mm)로 크지 않는 특징이 있다. 본 발명의 점탄성재(10)과 비슷한 성능을 가지는 점탄성재가 있을 경우 이를 사용해도 무방하다.The viscoelastic material 10 uses tefrotex, which is an elastic material for damping vibrations provided in the lower portion of the flat plate 50, which has very good adhesion to pretreated steel sheets, aluminum and galvanized steel sheets. In addition, the damping value (loss factor), which determines the performance of the viscoelastic material, has a value of about 0.1, and the weight is 1.4 kg / m 2 (thickness of 1 mm). If there is a viscoelastic material having a performance similar to that of the viscoelastic material 10 of the present invention, it may be used.

상기 구속플레이트(20)는 점탄성재(10)의 하부에 구비되는 것으로 상기 평판(50)과 동일한 재질을 사용할 수 있다.The restraining plate 20 may be provided under the viscoelastic material 10 and may use the same material as the flat plate 50.

상기 고정부(30)는 다수로 구성되고 상기 점탄성재(10) 상면에 삽입되어 설치되는 고정판(31)과, 상기 고정판(31) 하방으로 구비되고 끝단이 상기 구속플레이트(20)를 관통하여 설치된 고정나사(32)와, 상기 고정나사(32)에 결합되는 고정볼트(33)로 구성되는데 여기서 상기 고정판(31)은 접착재(40)에 의해 상기 기름탱크의 평판(50)에 부착되고 부착된 상태에서 하방으로 구비된 고정나사(32)가 상기 점탄성재(10)와 구속플레이트(20)에 삽입되면 상기 고정나사(32)의 하부 끝단에서 고정볼트(33)의 결합됨으로서 상기 점탄성재(10)과 구속플레이트(20)를 평판에 밀착시키게 된다.The fixing part 30 is composed of a plurality of fixing plate 31 is inserted into the upper surface of the viscoelastic material 10 is installed, and provided below the fixing plate 31, the end is installed through the restraining plate 20 It consists of a fixing screw 32 and a fixing bolt 33 coupled to the fixing screw 32, wherein the fixing plate 31 is attached to the flat plate 50 of the oil tank by an adhesive material 40 When the fixing screw 32 provided downward in the state is inserted into the viscoelastic material 10 and the restraining plate 20, the viscoelastic material 10 is coupled to the fixing bolt 33 at the lower end of the fixing screw 32. ) And the restraining plate 20 to be in close contact with the plate.

상기 접착재(40 : secoflex)는 전처리된 철판에 매우 우수한 접착력을 가지고 있는 것으로 고정판(31)을 접착시키기 위해 사용된 접착재로 앞서 설명한 바와 같이 본 발명의 상기 접착재(40)인 세코플렉스secoflex)와 비슷한 성능을 가지는 접착재라면 이를 사용해도 무방하다.The adhesive material 40 (secoflex) has a very good adhesive strength to the pre-treated iron plate and is similar to Secoflex (ecocoflex), which is the adhesive material 40 of the present invention as described above as the adhesive material used to adhere the fixed plate 31 As long as it has an adhesive material, you may use it.

이와 같이 본 발명의 기름 탱크의 평판(50)에 점탄성재(10)와 구속플레이트(20)를 고정부(30)에 의해 밀착고정시킴으로서 진동을 저감시키게 된다.As such, the viscoelastic material 10 and the restraining plate 20 are fixed to the flat plate 50 of the oil tank of the present invention by the fixing part 30 to reduce vibration.

상술한 바와 같이 본 발명에 따른 바람직한 실시예를 설명하였지만, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구의 범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 발명의 기술적 정신이 있다고 할 것이다. As described above, preferred embodiments of the present invention have been described, but the present invention is not limited to the above-described embodiments, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge will have the technical spirit of the present invention to the extent that various modifications can be made.

이상에서 상세히 설명한 바와 같이, 본 발명은 직접적인 용접작업이 필요없으므로 기름탱크의 화재 및 폭발 위험이 없고 기름 제거 및 추가 도장 작업이 필요 없으므로 공정상의 시간 지연 및 어려움이 없다.As described in detail above, the present invention does not require a direct welding operation, there is no risk of fire and explosion of the oil tank, and there is no need for time delay and difficulty in the process because no oil removal and additional painting work are required.

또한 장치의 구성이 단순하여 작업이 쉬우므로 보강작업에 필요한 작업자의 시수 및 비용 절감이 가능하다.In addition, since the configuration of the device is simple and easy to work, it is possible to reduce the time and cost of workers required for reinforcement work.

Claims (5)

삭제delete 삭제delete 삭제delete 기름 탱크의 평판(50)에 부착되어 진동을 저감시키기 위한 장치에 있어서,In the device for attaching to the flat plate 50 of the oil tank to reduce vibration, 상기 평판(50)의 하부에 구비된 점탄성재(10)와; 상기 점탄성재(10)의 하부에 구비되는 구속플레이트(20)와; 상기 점탄성재(10)와 구속플레이트(20)에 삽입되어 설치되는 다수의 고정부(30);를 포함하되,A viscoelastic material 10 provided below the flat plate 50; A restraining plate 20 provided below the viscoelastic material 10; Includes; a plurality of fixing portion 30 is inserted into the viscoelastic material 10 and the restraining plate 20 is installed, 상기 고정부(30)는, 점탄성재(10) 상면에 삽입되어 설치되는 고정판(31)과, 상기 고정판(31) 하방으로 구비되고 끝단이 상기 구속플레이트(20)를 관통하여 설치된 고정나사(32)와, 상기 고정나사(32)에 결합되는 고정볼트(33)로 구성되는 것을 특징으로 하는 기름 탱크의 진동 저감장치.The fixing part 30 is provided with a fixing plate 31 inserted into the upper surface of the viscoelastic material 10 and a fixing screw 32 provided below the fixing plate 31 and having an end penetrating through the restraining plate 20. ), And a vibration reduction device of the oil tank, characterized in that consisting of a fixing bolt (33) coupled to the fixing screw (32). 제 4 항에 있어서,The method of claim 4, wherein 상기 고정판(31)은 접착재(40)에 의해 상기 평판(50)에 부착되는 것을 특징으로 하는 기름 탱크의 진동 저감장치.The fixed plate (31) is a vibration reduction device of the oil tank, characterized in that attached to the flat plate by an adhesive (40).
KR1020070051332A 2007-05-28 2007-05-28 Vibration reduction system of oil tank KR100883845B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060063443A1 (en) 2004-09-21 2006-03-23 Kanzaki Kokyukoki Mfg. Co., Ltd., Method to assemble marine drive system, and marine propulsion apparatus
JP2006258156A (en) * 2005-03-16 2006-09-28 Kaneka Corp Viscoelastic damper
JP2007032165A (en) * 2005-07-28 2007-02-08 Railway Technical Res Inst Noise reduction structure of viaduct

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060063443A1 (en) 2004-09-21 2006-03-23 Kanzaki Kokyukoki Mfg. Co., Ltd., Method to assemble marine drive system, and marine propulsion apparatus
JP2006258156A (en) * 2005-03-16 2006-09-28 Kaneka Corp Viscoelastic damper
JP2007032165A (en) * 2005-07-28 2007-02-08 Railway Technical Res Inst Noise reduction structure of viaduct

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